/* ==========================================================================
   ROMOTANA Summit 2026 - Transport Without Borders
   Premium Event Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Primary Palette */
    --color-navy-dark: #0D1B2A;
    --color-navy: #1B3A5F;
    --color-royal-blue: #1B4F72;
    --color-eu-blue: #003399;
    --color-blue-light: #2E86AB;

    /* Colors - Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Colors - Accents */
    --color-gold: #C9A227;
    --color-gold-light: #E8D48A;
    --color-red-accent: #B71C1C;
    --color-red-light: #DC2626;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Borders & Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --container-max: 1280px;
    --container-narrow: 960px;
    --nav-height: 80px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: transparent;
    /* Safe area insets for notched phones */
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-eu-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-royal-blue);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* --------------------------------------------------------------------------
   Layout & Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-20) 0;
    position: relative;
}

/* Elevate cards and content blocks above floating vectors (z-index: 10) */
.highlight-card,
.theme-card,
.format-card,
.speaker-card,
.attendee-card,
.ps-member,
.agenda-item,
.travel-card,
.hotel-card,
.restaurant-card,
.sponsor-card,
.contact-category,
.request-form,
.request-criteria,
.materials-content,
.venue-info,
.moderator-content,
.program-tabs,
.program-content,
.section-header,
.about-content,
.sponsors-cta,
.btn {
    position: relative;
    z-index: 11;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-eu-blue);
    margin-bottom: var(--space-3);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(13, 27, 42, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logos {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-logo {
    height: 45px;
    width: auto;
}

.nav-logo.romotana-logo {
    opacity: 0.50;
}

.nav-logo.ep-nav-logo {
    height: 40px;
}

.nav-logo.sd-nav-logo {
    height: 38px;
    align-self: center;
    opacity: 0.50;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-menu a {
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-gold) !important;
    color: var(--color-navy-dark) !important;
    padding: var(--space-2) var(--space-5) !important;
    border-radius: var(--radius-md);
    font-weight: 600 !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-gold-light) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
    transform-origin: center;
}

/* Hamburger to X animation */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(13, 27, 42, 0.85) 0%, rgba(27, 58, 95, 0.8) 50%, rgba(27, 79, 114, 0.75) 100%),
        url('../images/4cbf6c08-6ede-4a2c-8503-41dfcb1fb123.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 51, 153, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(13, 27, 42, 0.3) 0%, rgba(13, 27, 42, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-20) var(--space-6);
    max-width: 1000px;
}

.hero-logos {
    position: absolute;
    top: calc(var(--nav-height) + var(--space-6));
    left: 0;
    right: 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 0 var(--space-8);
    z-index: 10;
}

.hero-logo {
    height: 80px;
    width: auto;
}

.hero-logo.ep-logo {
    filter: brightness(1.4);
}

.hero-logo.romotana-hero-logo {
    filter: none;
}

.hero-logo.stema-logo {
    height: 56px;
    width: auto;
    align-self: center;
}

.hero-badge {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-navy-dark);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-6);
}

.hero-title {
    font-family: var(--font-body);
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--space-4);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #FFFFFF 0%, #E8D48A 50%, #FFFFFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
    filter: drop-shadow(0 2px 10px rgba(201, 162, 39, 0.3));
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-300);
    font-weight: 400;
    margin-bottom: var(--space-4);
}

.hero-kicker {
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-gold);
    margin-bottom: var(--space-8);
    opacity: 0.95;
}

.hero-details {
    margin-bottom: var(--space-8);
}

.hero-date {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: var(--space-4);
}

.date-item {
    display: flex;
    flex-direction: column;
}

.date-label {
    font-size: var(--text-sm);
    color: var(--color-gold);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.date-value {
    font-size: var(--text-2xl);
    color: var(--color-white);
    font-weight: 600;
}

.date-divider {
    width: 1px;
    height: 40px;
    background: var(--color-gray-500);
}

.hero-venue {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--color-gray-300);
    font-size: var(--text-lg);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.hero-venue:hover {
    color: var(--color-gold);
}

.venue-icon {
    width: 20px;
    height: 20px;
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-gray-400);
    max-width: 700px;
    margin: 0 auto var(--space-10);
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    animation: bounce 2s infinite;
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-navy-dark);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    color: var(--color-navy-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-navy-dark);
}

.btn-secondary:hover {
    background: var(--color-gray-100);
    color: var(--color-navy-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-navy-dark);
}

.btn-flyer {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-flyer svg {
    flex-shrink: 0;
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
    background: rgba(255, 255, 255, 0.88);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.about-main p {
    margin-bottom: var(--space-4);
    color: var(--color-gray-700);
}

.about-lead {
    font-size: var(--text-lg);
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.highlight-card {
    background: var(--color-gray-50);
    border-left: 4px solid var(--color-gold);
    padding: var(--space-6);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.highlight-icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-3);
    color: var(--color-eu-blue);
}

.highlight-icon svg {
    width: 100%;
    height: 100%;
}

.highlight-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-2);
}

.highlight-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.about-focus {
    background: var(--color-navy-dark);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
}

.about-focus h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--space-8);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.focus-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-gray-300);
}

.focus-bullet {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 50%;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Strategic Themes Section
   -------------------------------------------------------------------------- */
.themes {
    background: rgba(248, 250, 252, 0.88);
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.theme-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.theme-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-gold);
}

.theme-icon {
    width: 48px;
    height: 48px;
    color: var(--color-eu-blue);
    margin-bottom: var(--space-4);
}

.theme-icon svg {
    width: 100%;
    height: 100%;
}

.theme-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-3);
}

.theme-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Event Format Section
   -------------------------------------------------------------------------- */
.format {
    background: rgba(255, 255, 255, 0.88);
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.format-card {
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    position: relative;
    overflow: hidden;
}

.format-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-eu-blue), var(--color-gold));
}

.format-card.vip::before {
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
}

.format-date {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.format-day {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 600;
    color: var(--color-navy-dark);
    line-height: 1;
}

.format-month {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

.format-badge {
    display: inline-block;
    background: var(--color-eu-blue);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
}

.format-card.vip .format-badge {
    background: var(--color-gold);
    color: var(--color-navy-dark);
}

.format-card h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-3);
}

.format-card > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.format-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.format-details li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-gray-700);
    font-size: var(--text-sm);
}

.format-details svg {
    width: 18px;
    height: 18px;
    color: var(--color-eu-blue);
    flex-shrink: 0;
}

.format-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    background: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
}

.format-notice svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-gold);
}

.format-notice strong {
    display: block;
    margin-bottom: var(--space-2);
}

.format-notice p {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

/* --------------------------------------------------------------------------
   Program Section
   -------------------------------------------------------------------------- */
.program {
    background: rgba(248, 250, 252, 0.88);
}

.program-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.program-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-4) var(--space-8);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.program-tab:hover {
    border-color: var(--color-eu-blue);
}

.program-tab.active {
    background: var(--color-navy-dark);
    border-color: var(--color-navy-dark);
}

.tab-date {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
}

.program-tab.active .tab-date {
    color: var(--color-gold);
}

.tab-title {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.program-tab.active .tab-title {
    color: var(--color-gray-300);
}

.program-day {
    display: none;
}

.program-day.active {
    display: block;
}

.day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-gray-200);
}

.day-header h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-navy-dark);
}

.day-badge {
    font-size: var(--text-sm);
    color: var(--color-eu-blue);
    font-weight: 500;
}

.agenda-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.agenda-item {
    display: flex;
    gap: var(--space-6);
    background: var(--color-white);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-gray-300);
    transition: all var(--transition-fast);
}

.agenda-item:hover {
    box-shadow: var(--shadow-md);
}

.agenda-item.highlight {
    border-left-color: var(--color-gold);
    background: linear-gradient(90deg, rgba(201, 162, 39, 0.05), var(--color-white));
}

.agenda-time {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-eu-blue);
    min-width: 90px;
    white-space: nowrap;
}

.agenda-content h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-1);
}

.agenda-content p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* Panel speakers list within agenda items */
.agenda-speakers {
    margin-top: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.agenda-speaker {
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 51, 153, 0.03);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-eu-blue);
}

.agenda-speaker-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-navy-dark);
}

.agenda-speaker-role {
    font-size: var(--text-xs);
    color: var(--color-eu-blue);
    margin-top: 2px;
}

.agenda-speaker-topic {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    margin-top: 4px;
    font-style: italic;
}

/* Highlighted panel speakers get gold accent */
.agenda-item.highlight .agenda-speaker {
    border-left-color: var(--color-gold);
    background: rgba(201, 162, 39, 0.04);
}

.program-note {
    text-align: center;
    margin-top: var(--space-10);
    padding: var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.program-note p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Moderator Section
   -------------------------------------------------------------------------- */
.moderator {
    background: rgba(255, 255, 255, 0.88);
    padding: var(--space-16) 0;
}

.moderator-card {
    display: flex;
    align-items: center;
    gap: var(--space-10);
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-navy-dark), var(--color-royal-blue));
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
}

.moderator-image {
    flex-shrink: 0;
}

.moderator-placeholder {
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--color-gold);
}

.moderator-placeholder svg {
    width: 80px;
    height: 80px;
    color: var(--color-gray-400);
}

.moderator-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-gold);
}

.moderator-info {
    color: var(--color-white);
}

.moderator-role {
    font-size: var(--text-sm);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.moderator-name {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2);
}

.moderator-org {
    font-size: var(--text-lg);
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
}

.moderator-bio {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Speakers Section
   -------------------------------------------------------------------------- */
.speakers {
    background: rgba(248, 250, 252, 0.88);
}

.speakers-subsection {
    margin-bottom: var(--space-12);
}

.subsection-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-navy-dark);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-gold);
    display: inline-block;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.speaker-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.speaker-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.speaker-image {
    margin-bottom: var(--space-4);
}

.speaker-placeholder {
    width: 100px;
    height: 100px;
    background: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border: 3px solid var(--color-gray-200);
}

.speaker-placeholder svg {
    width: 50px;
    height: 50px;
    color: var(--color-gray-400);
}

.speaker-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
    border: 3px solid var(--color-gray-200);
}

.speaker-card.organizer .speaker-photo {
    border-color: var(--color-gold);
}

.speaker-card.organizer .speaker-role {
    background: var(--color-gold);
    color: var(--color-navy-dark);
}

.speaker-info h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-1);
}

.speaker-org {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-2);
    min-height: 2.4em;
}

.speaker-role {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-eu-blue);
    background: rgba(0, 51, 153, 0.1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.attendees-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.attendee-card {
    background: var(--color-white);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.attendee-card:hover {
    border-color: var(--color-gold);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.attendee-card h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-1);
}

.attendee-card p {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
}

/* Private Sector & Industry */
.private-sector-section {
    margin-top: var(--space-8);
}

.ps-region {
    margin-bottom: var(--space-8);
}

.ps-region-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-gold);
}

.ps-region-title svg {
    color: var(--color-gold);
    flex-shrink: 0;
}

.ps-sector {
    margin-bottom: var(--space-5);
}

.ps-sector-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
    padding-left: var(--space-3);
    border-left: 3px solid var(--color-blue);
}

.ps-sector-members {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-3);
}

.ps-member {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ps-member:hover {
    border-color: var(--color-gold);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.ps-member-org {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-navy-dark);
    margin-bottom: 2px;
}

.ps-member-name {
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    font-weight: 500;
}

.ps-member-role {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
}

.speakers-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding: var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.speakers-notice svg {
    width: 20px;
    height: 20px;
    color: var(--color-eu-blue);
    flex-shrink: 0;
}

.speakers-notice p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Venue Section
   -------------------------------------------------------------------------- */
.venue {
    background: rgba(255, 255, 255, 0.88);
}

.venue-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.venue-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.venue-map {
    min-height: 300px;
}

.venue-map iframe {
    width: 100%;
    height: 100%;
}

.venue-details {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.venue-icon {
    width: 48px;
    height: 48px;
    color: var(--color-eu-blue);
    margin-bottom: var(--space-4);
}

.venue-details h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-navy-dark);
    margin-bottom: var(--space-4);
}

.venue-details address {
    font-style: normal;
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.venue-room {
    font-size: var(--text-base);
    color: var(--color-gold);
    margin-bottom: var(--space-2);
    letter-spacing: 0.5px;
}
.venue-note {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-style: italic;
    margin-bottom: var(--space-4);
}

.venue-address-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: color var(--transition-fast);
}

.venue-address-link:hover {
    color: var(--color-eu-blue);
}

.venue-address-link address {
    cursor: pointer;
}

.venue-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-eu-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.venue-link:hover {
    color: var(--color-royal-blue);
}

.security-notice {
    display: flex;
    gap: var(--space-6);
    background: var(--color-navy-dark);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
}

.security-icon {
    flex-shrink: 0;
}

.security-icon svg {
    width: 48px;
    height: 48px;
    color: var(--color-gold);
}

.security-content h4 {
    font-size: var(--text-xl);
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.security-content p {
    color: var(--color-gray-300);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Travel Section
   -------------------------------------------------------------------------- */
.travel {
    background: rgba(248, 250, 252, 0.88);
}

.travel-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.travel-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
}

.travel-icon {
    width: 48px;
    height: 48px;
    color: var(--color-eu-blue);
    margin-bottom: var(--space-4);
}

.travel-icon svg {
    width: 100%;
    height: 100%;
}

.travel-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-4);
}

.travel-card > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.travel-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.travel-card li {
    color: var(--color-gray-700);
    font-size: var(--text-sm);
    padding-left: var(--space-4);
    position: relative;
}

.travel-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
}

.transport-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.transport-option strong {
    color: var(--color-navy-dark);
    display: block;
    margin-bottom: var(--space-1);
}

.transport-option p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.travel-link {
    display: inline-block;
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-eu-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.travel-link:hover {
    color: var(--color-royal-blue);
}

.travel-note {
    text-align: center;
    margin-top: var(--space-8);
    padding: var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.travel-note p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Hotels Section
   -------------------------------------------------------------------------- */
.hotels {
    background: rgba(255, 255, 255, 0.88);
}

.hotels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.hotel-card {
    background: var(--color-gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.hotel-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gold);
}

.hotel-badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-eu-blue);
    background: rgba(0, 51, 153, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
}

.hotel-card.luxury .hotel-badge {
    background: var(--color-gold);
    color: var(--color-navy-dark);
}

/* Special Rate ribbon — for partner hotels with negotiated attendee pricing */
.hotel-card.special-rate {
    position: relative;
    border-color: var(--color-gold);
    box-shadow: 0 4px 16px rgba(201, 162, 39, 0.12);
}
.hotel-rate-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-navy-dark);
    background: linear-gradient(135deg, #F5D76E, var(--color-gold));
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
    margin-left: var(--space-2);
    box-shadow: 0 2px 6px rgba(201, 162, 39, 0.25);
}
.hotel-rate-tag svg {
    width: 12px;
    height: 12px;
    stroke: var(--color-navy-dark);
    stroke-width: 2.5;
    fill: none;
}

/* Actions row inside special-rate hotel cards */
.hotel-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-2);
}
.hotel-rate-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-navy-dark);
    background: linear-gradient(135deg, #F5D76E, var(--color-gold));
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(201, 162, 39, 0.25);
    transition: all var(--transition-base);
}
.hotel-rate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(201, 162, 39, 0.35);
}

/* Hotel Special Rate Request Modal */
.hotel-rate-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}
.hotel-rate-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 27, 42, 0.72);
    backdrop-filter: blur(4px);
    animation: verifFadeIn 0.2s ease-out;
}
.hotel-rate-panel {
    position: relative;
    max-width: 560px;
    width: 100%;
    max-height: 92vh;
    overflow-y: auto;
    background: #fff;
    border-radius: 14px;
    border-top: 4px solid var(--color-gold);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
    animation: verifSlideUp 0.3s ease-out;
    padding: var(--space-6) var(--space-6) var(--space-5);
}
.hotel-rate-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-4);
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 4px 8px;
}
.hotel-rate-close:hover { color: var(--color-navy-dark); }

.hotel-rate-header {
    text-align: center;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-gray-200);
}
.hotel-rate-pill {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-navy-dark);
    background: linear-gradient(135deg, #F5D76E, var(--color-gold));
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}
.hotel-rate-header h3 {
    margin: 0 0 6px;
    font-size: var(--text-xl);
    color: var(--color-navy-dark);
}
.hotel-rate-sub {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.hotel-rate-form .hr-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}
.hotel-rate-form .hr-field {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-3);
}
.hotel-rate-form .hr-field-cc  { /* phone country-code column */ }
.hotel-rate-form .hr-field-phone { /* phone number column */ }
.hotel-rate-form .hr-row.hr-row-phone { grid-template-columns: 140px 1fr; }
.hotel-rate-form label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-gray-700);
    margin-bottom: 6px;
}
.hotel-rate-form .req { color: #B71C1C; }
.hotel-rate-form input,
.hotel-rate-form select,
.hotel-rate-form textarea {
    width: 100%;
    font-size: var(--text-sm);
    font-family: inherit;
    padding: 10px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: 8px;
    background: #fff;
    color: var(--color-navy-dark);
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}
.hotel-rate-form input:focus,
.hotel-rate-form select:focus,
.hotel-rate-form textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}
.hotel-rate-form textarea { resize: vertical; }

.hr-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
}
.hr-status {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    text-align: center;
    min-height: 20px;
}
.hr-status.error   { color: #B71C1C; }
.hr-status.success { color: #047857; }

body.hotel-rate-open { overflow: hidden; }

@media (max-width: 560px) {
    .hotel-rate-panel { padding: var(--space-5) var(--space-4) var(--space-4); }
    .hotel-rate-form .hr-row { grid-template-columns: 1fr; }
    .hotel-rate-form .hr-row.hr-row-phone { grid-template-columns: 120px 1fr; }
    .hr-actions { flex-direction: column-reverse; }
    .hr-actions .btn { width: 100%; }
}

.hotel-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-3);
}

.hotel-description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.hotel-meta {
    margin-bottom: var(--space-4);
}

.hotel-distance {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.hotel-distance svg {
    width: 16px;
    height: 16px;
}

.hotel-link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-eu-blue);
}

.hotel-link:hover {
    color: var(--color-royal-blue);
}

/* --------------------------------------------------------------------------
   Restaurants Section
   -------------------------------------------------------------------------- */
.restaurants {
    background: rgba(248, 250, 252, 0.88);
}

.restaurants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.restaurant-card {
    display: block;
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    text-decoration: none;
    transition: all var(--transition-base);
}

.restaurant-card:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.restaurant-type {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gold);
    margin-bottom: var(--space-2);
}

.restaurant-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-3);
}

.restaurant-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* VIP Dinner venue — highlighted restaurant card */
.restaurant-card.vip-venue {
    position: relative;
    border-color: var(--color-gold);
    background: linear-gradient(135deg, #ffffff 0%, #FFFBEA 100%);
    box-shadow: 0 4px 16px rgba(201, 162, 39, 0.12);
}
.restaurant-card.vip-venue .restaurant-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-navy-dark);
    background: linear-gradient(135deg, #F5D76E, var(--color-gold));
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 6px rgba(201, 162, 39, 0.25);
    font-weight: 700;
}
.restaurant-card.vip-venue .restaurant-type svg {
    width: 12px;
    height: 12px;
    stroke: var(--color-navy-dark);
    stroke-width: 2.5;
    fill: none;
}

/* --------------------------------------------------------------------------
   Sponsors Section
   -------------------------------------------------------------------------- */
.sponsors {
    background: rgba(255, 255, 255, 0.88);
}

/* --- Tier Section Wrappers --- */
.sponsors-tier {
    margin-bottom: var(--space-12);
}

/* --- Tier Label / Badge --- */
.tier-label {
    text-align: center;
    margin-bottom: var(--space-6);
}

.tier-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 8px 28px;
    border-radius: 100px;
}

.tier-badge-platinum {
    background: linear-gradient(135deg, #0D1B2A, #1B4F72);
    color: #C9A227;
    box-shadow: 0 4px 16px rgba(13, 27, 42, 0.3), inset 0 1px 0 rgba(201, 162, 39, 0.2);
    font-size: var(--text-base);
    padding: 10px 36px;
}

.tier-badge-gold {
    background: linear-gradient(135deg, #C9A227, #E8C84A);
    color: #0D1B2A;
    box-shadow: 0 4px 16px rgba(201, 162, 39, 0.3);
}

.tier-badge-silver {
    background: linear-gradient(135deg, #94A3B8, #CBD5E1);
    color: #1E293B;
    box-shadow: 0 4px 12px rgba(148, 163, 184, 0.3);
}

.tier-badge-bronze {
    background: linear-gradient(135deg, #B45309, #D97706);
    color: #FFFBEB;
    box-shadow: 0 4px 12px rgba(180, 83, 9, 0.25);
}

.tier-badge-media_partner {
    background: linear-gradient(135deg, #1B4F72, #2980B9);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(27, 79, 114, 0.25);
}

/* --- Grid Layouts per Tier --- */
.sponsors-grid-platinum {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
}

.sponsors-grid-gold {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto;
}

.sponsors-grid-silver {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
}

.sponsors-grid-bronze {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

.sponsors-grid-media_partner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

/* --- Base Card --- */
.sponsor-card {
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

a.sponsor-card {
    display: block;
    text-decoration: none;
}

a.sponsor-card:hover {
    transform: translateY(-5px);
}

a.sponsor-card h4,
a.sponsor-card p {
    transition: color var(--transition-normal);
}

.sponsor-card h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-2);
}

.sponsor-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* --- Platinum Card --- */
.sponsor-platinum {
    background: linear-gradient(135deg, #0D1B2A 0%, #1B4F72 100%);
    border: 2px solid #C9A227;
    padding: var(--space-10) var(--space-8);
    box-shadow: 0 8px 32px rgba(13, 27, 42, 0.25), 0 0 0 1px rgba(201, 162, 39, 0.15);
}

.sponsor-platinum::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #C9A227, #E8C84A, #C9A227, transparent);
}

.sponsor-platinum h4 {
    color: var(--color-white);
    font-size: var(--text-lg);
}

.sponsor-platinum p {
    color: rgba(255, 255, 255, 0.75);
}

a.sponsor-platinum:hover {
    box-shadow: 0 12px 40px rgba(13, 27, 42, 0.35), 0 0 20px rgba(201, 162, 39, 0.15);
}

a.sponsor-platinum:hover h4 {
    color: #C9A227;
}

.sponsor-platinum .sponsor-logo {
    width: 200px;
    height: 140px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 12px;
}

.sponsor-platinum .sponsor-logo-placeholder {
    border-color: rgba(201, 162, 39, 0.4);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(201, 162, 39, 0.6);
}

/* --- Gold Card --- */
.sponsor-gold {
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
    border: 2px solid #C9A227;
    padding: var(--space-10) var(--space-8);
    box-shadow: 0 6px 24px rgba(201, 162, 39, 0.15);
}

.sponsor-gold::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #C9A227, #E8C84A, #C9A227, transparent);
}

a.sponsor-gold:hover {
    box-shadow: 0 12px 32px rgba(201, 162, 39, 0.25);
}

a.sponsor-gold:hover h4 {
    color: #92710C;
}

.sponsor-gold .sponsor-logo {
    width: 180px;
    height: 120px;
}

.sponsor-gold .sponsor-logo-placeholder {
    border-color: rgba(201, 162, 39, 0.4);
    background: rgba(255, 255, 255, 0.6);
    color: #B8941F;
}

/* --- Silver Card --- */
.sponsor-silver {
    background: linear-gradient(135deg, #F8FAFC, #F1F5F9);
    border: 2px solid #CBD5E1;
    box-shadow: 0 4px 16px rgba(148, 163, 184, 0.15);
}

.sponsor-silver::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #94A3B8, #CBD5E1, #94A3B8, transparent);
}

a.sponsor-silver:hover {
    box-shadow: 0 8px 24px rgba(148, 163, 184, 0.25);
}

a.sponsor-silver:hover h4 {
    color: var(--color-eu-blue);
}

/* --- Bronze Card --- */
.sponsor-bronze {
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7, #FDE68A10);
    border: 1px solid #D97706;
    box-shadow: 0 4px 12px rgba(180, 83, 9, 0.08);
}

.sponsor-bronze::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #D97706, #B45309, #D97706, transparent);
}

a.sponsor-bronze:hover {
    box-shadow: 0 8px 20px rgba(180, 83, 9, 0.15);
}

a.sponsor-bronze:hover h4 {
    color: #92400E;
}

/* --- Media Partner Card --- */
.sponsor-media_partner {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.sponsor-media_partner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #1B4F72, #2980B9, #1B4F72, transparent);
}

a.sponsor-media_partner:hover {
    box-shadow: 0 8px 20px rgba(27, 79, 114, 0.12);
}

a.sponsor-media_partner:hover h4 {
    color: var(--color-eu-blue);
}

/* --- Logo Shared Styles --- */
.sponsor-logo {
    width: 160px;
    height: 100px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.sponsor-logo-placeholder {
    width: 160px;
    height: 90px;
    background: var(--color-white);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: var(--color-gray-400);
    font-size: var(--text-sm);
}

.sponsor-logo-placeholder.small {
    width: 120px;
    height: 70px;
}

/* --- CTA --- */
.sponsors-cta {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.sponsors-cta p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.sponsors-cta .btn-outline {
    color: var(--color-navy-dark);
    border-color: var(--color-navy-dark);
}

.sponsors-cta .btn-outline:hover {
    background: var(--color-navy-dark);
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Materials Section
   -------------------------------------------------------------------------- */
.materials {
    background: rgba(248, 250, 252, 0.88);
    padding: var(--space-12) 0;
}

.materials-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-8);
    background: var(--color-white);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    max-width: 900px;
    margin: 0 auto;
}

.materials-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    color: var(--color-eu-blue);
}

.materials-icon svg {
    width: 100%;
    height: 100%;
}

.materials-content h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-navy-dark);
    margin-bottom: var(--space-4);
}

.materials-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
}

.materials-content p:last-child {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Request Invitation Section
   -------------------------------------------------------------------------- */
.request {
    background: rgba(255, 255, 255, 0.88);
}

.request-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
}

.request-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.request-notice {
    display: flex;
    gap: var(--space-4);
    background: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
}

.request-notice svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-gold);
}

.request-notice strong {
    display: block;
    margin-bottom: var(--space-2);
}

.request-notice p {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

.request-criteria {
    background: var(--color-gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
}

.request-criteria h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-4);
}

.request-criteria ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.request-criteria li {
    color: var(--color-gray-700);
    font-size: var(--text-sm);
    padding-left: var(--space-4);
    position: relative;
}

.request-criteria li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
}

.request-form {
    background: var(--color-gray-50);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
}

.request-form-journey {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-journey-intro {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(13, 27, 42, 0.96) 0%, rgba(27, 79, 114, 0.92) 100%);
    color: var(--color-white);
}

.form-journey-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.form-journey-copy {
    color: rgba(255, 255, 255, 0.78);
    font-size: var(--text-sm);
}

.form-step-progress {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.form-step-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    background: var(--color-white);
    color: var(--color-gray-500);
    font-size: var(--text-xs);
    font-weight: 600;
    border: 1px solid var(--color-gray-300);
}

.form-step-pill.is-active {
    background: rgba(0, 51, 153, 0.08);
    border-color: rgba(0, 51, 153, 0.2);
    color: var(--color-eu-blue);
}

.form-step {
    border: 1px solid rgba(13, 27, 42, 0.08);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    overflow: hidden;
}

.form-step summary {
    list-style: none;
}

.form-step summary::-webkit-details-marker {
    display: none;
}

.form-step-summary {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    cursor: pointer;
}

.form-step-number {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    background: rgba(201, 162, 39, 0.16);
    color: var(--color-gold-accent);
    font-size: var(--text-sm);
    font-weight: 700;
}

.form-step-heading {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.form-step-heading strong {
    color: var(--color-navy-dark);
    font-size: var(--text-base);
}

.form-step-heading small {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

.form-step-toggle-label {
    margin-left: auto;
    color: var(--color-eu-blue);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.form-step-panel {
    padding: 0 var(--space-5) var(--space-5);
}

.form-step:not([open]) .form-step-panel {
    display: none;
}

.form-step[open] .form-step-summary {
    background: linear-gradient(180deg, rgba(0, 51, 153, 0.04) 0%, rgba(255, 255, 255, 0.96) 100%);
    border-bottom: 1px solid rgba(13, 27, 42, 0.08);
}

.form-step[open] .form-step-toggle-label {
    color: var(--color-gold-accent);
}

.form-section {
    border: none;
    padding: 0;
    margin: 0 0 var(--space-6) 0;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-gray-300);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: var(--space-4);
    padding-bottom: 0;
}

.form-section-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-eu-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
    padding: 0;
}

.form-section-description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-row-2 {
    grid-template-columns: 1fr 1fr;
}

.form-row-3 {
    grid-template-columns: 2fr 1fr 1fr;
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-navy-dark);
    margin-bottom: var(--space-2);
}

.required {
    color: var(--color-red-accent);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-eu-blue);
    box-shadow: 0 0 0 3px rgba(0, 51, 153, 0.1);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-eu-blue);
}

.form-submit {
    margin-top: var(--space-6);
}

.form-step-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.form-section-compact {
    margin-bottom: var(--space-4);
}

.form-disclaimer {
    margin-top: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    text-align: center;
}

/* Select dropdown styling (citizenship field) */
.form-group select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    background: var(--color-white);
    color: var(--color-navy-dark);
    transition: all var(--transition-fast);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group select:focus {
    outline: none;
    border-color: var(--color-eu-blue);
    box-shadow: 0 0 0 3px rgba(0, 51, 153, 0.1);
}

/* --------------------------------------------------------------------------
   Email Verification Panel
   -------------------------------------------------------------------------- */
.verification-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.verification-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 27, 42, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: verifFadeIn 0.2s ease-out;
}

.verification-modal .verification-panel {
    position: relative;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
    animation: verifSlideUp 0.3s ease-out;
}

.verification-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-4);
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--color-gray-500);
    cursor: pointer;
    padding: 4px 10px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.verification-close:hover {
    background: var(--color-gray-100);
    color: var(--color-navy-dark);
}

@keyframes verifFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes verifSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

body.verification-open {
    overflow: hidden;
}

.verification-panel {
    text-align: center;
    padding: var(--space-10) var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border-top: 4px solid var(--color-gold);
}

.verification-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    color: var(--color-eu-blue);
}

.verification-icon svg {
    width: 100%;
    height: 100%;
}

.verification-panel h3 {
    font-size: var(--text-xl);
    color: var(--color-navy-dark);
    margin-bottom: var(--space-2);
}

.verification-panel > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
}

.verification-code-input {
    max-width: 240px;
    margin: var(--space-6) auto;
}

.verification-code-input input {
    width: 100%;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 8px;
    padding: var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    color: var(--color-eu-blue);
    transition: all var(--transition-fast);
}

.verification-code-input input:focus {
    outline: none;
    border-color: var(--color-eu-blue);
    box-shadow: 0 0 0 3px rgba(0, 51, 153, 0.1);
}

.verification-actions {
    margin: var(--space-6) auto;
}

.verification-help {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-3);
}

.verification-help a {
    color: var(--color-eu-blue);
    text-decoration: underline;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
    background: rgba(248, 250, 252, 0.88);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-10);
}

.contact-card.featured {
    background: linear-gradient(135deg, var(--color-navy-dark), var(--color-royal-blue));
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--color-white);
}

.contact-photo {
    margin-bottom: var(--space-6);
}

.contact-placeholder {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border: 3px solid var(--color-gold);
}

.contact-placeholder svg {
    width: 60px;
    height: 60px;
    color: var(--color-gray-400);
}

.contact-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
    border: 3px solid var(--color-gold);
}

.contact-card.featured h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.contact-role {
    color: var(--color-gold);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.contact-org {
    color: var(--color-gray-300);
    margin-bottom: var(--space-4);
}

.contact-email {
    color: var(--color-white);
    font-weight: 500;
}

.contact-email:hover {
    color: var(--color-gold);
}

.contact-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.contact-category {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.contact-category h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.contact-category a {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-eu-blue);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-4);
}

.footer-brand p {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    line-height: 1.7;
    max-width: 350px;
}

.footer-site-link {
    display: inline-block;
    margin-top: var(--space-3);
    color: var(--color-gold);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-site-link:hover {
    color: var(--color-gold-light);
    text-decoration: underline;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-column h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
    color: var(--color-gold);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-column a {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-ep {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
}

.footer-ep-logo {
    height: 50px;
    width: auto;
    flex-shrink: 0;
    /* Logo PNG has its own white background */
}

.footer-ep p {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

.footer-notice {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    font-style: italic;
}

.footer-admin {
    color: var(--color-gray-400);
    opacity: 0.5;
    transition: opacity 0.2s, color 0.2s;
    display: inline-flex;
    align-items: center;
    padding: 4px;
}

.footer-admin:hover {
    opacity: 1;
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Responsive Styles
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    .themes-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .speakers-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .attendees-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ps-sector-members {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --nav-height: 70px;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-navy-dark);
        flex-direction: column;
        padding: 0;
        gap: 0;
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        overflow: hidden;
        transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        max-height: 80vh;
        opacity: 1;
        visibility: visible;
        overflow-y: auto;
        padding: var(--space-4) 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-lg);
        display: block;
        width: 100%;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero-logos {
        position: absolute;
        top: calc(var(--nav-height) + var(--space-3));
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--space-4);
        padding: 0 var(--space-4);
    }

    .hero-logo {
        height: 48px;
    }

    .hero-logo.stema-logo {
        height: 34px;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .themes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .format-grid {
        grid-template-columns: 1fr;
    }

    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .attendees-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ps-sector-members {
        grid-template-columns: repeat(2, 1fr);
    }

    .venue-card {
        grid-template-columns: 1fr;
    }

    .hotels-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .restaurants-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sponsors-grid-silver,
    .sponsors-grid-bronze,
    .sponsors-grid-media_partner {
        grid-template-columns: repeat(2, 1fr);
    }

    .request-content {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-10) 0;
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    /* Fix for iOS - disable fixed background */
    .hero {
        background-attachment: scroll;
    }

    .hero-title {
        font-size: var(--text-2xl);
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .hero-date {
        flex-direction: column;
        gap: var(--space-3);
    }

    .date-divider {
        width: 40px;
        height: 1px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        gap: var(--space-3);
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .focus-grid {
        grid-template-columns: 1fr;
    }

    .themes-grid {
        grid-template-columns: 1fr;
    }

    .program-tabs {
        flex-direction: column;
    }

    .moderator-card {
        flex-direction: column;
        text-align: center;
    }

    .speakers-grid {
        grid-template-columns: 1fr;
    }

    .attendees-grid {
        grid-template-columns: 1fr;
    }

    .ps-sector-members {
        grid-template-columns: 1fr;
    }

    .travel-grid {
        grid-template-columns: 1fr;
    }

    .hotels-grid {
        grid-template-columns: 1fr;
    }

    .restaurants-grid {
        grid-template-columns: 1fr;
    }

    .sponsors-grid-platinum,
    .sponsors-grid-gold,
    .sponsors-grid-silver,
    .sponsors-grid-bronze,
    .sponsors-grid-media_partner {
        grid-template-columns: 1fr;
    }

    .materials-card {
        flex-direction: column;
        text-align: center;
    }

    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .form-step-summary {
        align-items: flex-start;
        gap: var(--space-3);
    }

    .form-step-toggle-label {
        display: none;
    }

    .form-step-actions {
        flex-direction: column-reverse;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .contact-categories {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .footer-ep {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .security-notice {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero {
        min-height: 100svh; /* Use small viewport height for mobile */
        padding-top: calc(var(--nav-height) + var(--space-8));
        padding-bottom: var(--space-8);
    }

    .hero-logos {
        gap: var(--space-3);
    }

    .hero-logo {
        height: 38px;
    }

    .hero-logo.stema-logo {
        height: 27px;
    }

    .hero-content {
        padding: var(--space-4);
    }

    .hero-title {
        font-size: 1.75rem;
        letter-spacing: 0.03em;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: var(--text-sm);
        line-height: 1.5;
    }

    .hero-badge {
        font-size: 0.6rem;
        padding: 6px 12px;
        margin-bottom: var(--space-4);
    }

    .hero-description {
        font-size: var(--text-sm);
        padding: 0 var(--space-2);
    }

    .hero-date {
        gap: var(--space-3);
    }

    .date-item {
        padding: var(--space-2) var(--space-3);
    }

    .date-label {
        font-size: 0.6rem;
    }

    .date-value {
        font-size: var(--text-sm);
    }

    .hero-location {
        font-size: var(--text-sm);
    }

    .hero-cta {
        max-width: 100%;
        gap: var(--space-3);
    }

    .section-title {
        font-size: var(--text-xl);
    }

    .section-tag {
        font-size: 0.65rem;
    }

    .section-description {
        font-size: var(--text-sm);
    }

    .btn {
        width: 100%;
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
        min-height: 44px;
    }

    .speaker-card {
        padding: var(--space-4);
    }

    .speaker-photo {
        width: 70px;
        height: 70px;
    }

    .speaker-placeholder {
        width: 70px;
        height: 70px;
    }

    .speaker-placeholder svg {
        width: 35px;
        height: 35px;
    }

    .speaker-info h4 {
        font-size: var(--text-sm);
    }

    .speaker-org {
        font-size: var(--text-xs);
    }

    .speaker-role {
        font-size: 0.65rem;
        padding: 2px 8px;
    }

    .contact-image {
        width: 90px;
        height: 90px;
    }

    .contact-card.featured h3 {
        font-size: var(--text-lg);
    }

    .nav-logo {
        height: 32px;
    }

    .nav-logo.ep-nav-logo {
        height: 28px;
    }

    .nav-logo.sd-nav-logo {
        height: 26px;
    }

    .program-tabs {
        gap: var(--space-2);
        flex-wrap: wrap;
        justify-content: center;
    }

    .program-tab {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
        flex: 1 1 auto;
        min-width: 0;
        text-align: center;
    }

    .agenda-item {
        flex-direction: column;
        gap: var(--space-2);
    }

    .agenda-time {
        min-width: unset;
        font-size: var(--text-xs);
    }

    .agenda-speakers {
        gap: var(--space-2);
    }

    .agenda-speaker {
        padding: var(--space-2) var(--space-3);
    }

    .program-session {
        padding: var(--space-3);
    }

    .session-time {
        font-size: var(--text-xs);
        min-width: 50px;
    }

    .session-title {
        font-size: var(--text-sm);
    }

    .theme-card,
    .highlight-card,
    .format-card {
        padding: var(--space-4);
    }

    .theme-card h4,
    .highlight-card h4,
    .format-card h4 {
        font-size: var(--text-base);
    }

    .theme-card p,
    .highlight-card p,
    .format-card p {
        font-size: var(--text-sm);
    }

    .about-lead {
        font-size: var(--text-base);
    }

    .about-main p {
        font-size: var(--text-sm);
    }

    .hotel-card,
    .restaurant-card,
    .travel-card {
        padding: var(--space-4);
    }

    .form-group label {
        font-size: var(--text-sm);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--space-3);
        font-size: var(--text-base); /* Prevent zoom on iOS */
    }

    .footer-info h3 {
        font-size: var(--text-lg);
    }

    .footer-ep {
        padding: var(--space-4);
    }

    .footer-ep-logo {
        height: 40px;
    }

    .footer-ep p {
        font-size: var(--text-xs);
    }

    .hero-scroll {
        display: none; /* Hide on small screens */
    }

    .subsection-title {
        font-size: var(--text-lg);
    }

    /* Better touch targets */
    .nav-menu a {
        padding: var(--space-4);
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .checkbox-label {
        padding: var(--space-3);
        font-size: var(--text-sm);
    }
}

/* Extra small phones (iPhone SE, older devices) */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-badge {
        font-size: 0.65rem;
        padding: 5px 12px;
    }

    .section-title {
        font-size: var(--text-lg);
    }

    .container {
        padding: 0 var(--space-3);
    }

    .speaker-photo {
        width: 60px;
        height: 60px;
    }

    .speaker-placeholder {
        width: 60px;
        height: 60px;
    }

    .speaker-placeholder svg {
        width: 30px;
        height: 30px;
    }

    .contact-image {
        width: 80px;
        height: 80px;
    }

    .date-item {
        padding: var(--space-2);
    }

    .btn {
        padding: var(--space-3);
        font-size: var(--text-sm);
        min-height: 44px;
    }
}

/* --------------------------------------------------------------------------
   Animated Background - Gradient Mesh + Floating Vectors
   -------------------------------------------------------------------------- */

/* Animated gradient mesh behind all content (below hero)
   Uses layered pseudo-elements with opacity animation instead of
   animating background (which triggers expensive full repaints). */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    background: var(--color-white);
}
.bg-mesh::before,
.bg-mesh::after {
    content: '';
    position: absolute;
    inset: 0;
    will-change: opacity;
}
.bg-mesh::before {
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(27, 58, 95, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 90% 80%, rgba(46, 134, 171, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse 70% 50% at 50% 50%, rgba(201, 162, 39, 0.03) 0%, transparent 60%);
    animation: meshFade 20s ease-in-out infinite alternate;
}
.bg-mesh::after {
    background:
        radial-gradient(ellipse 70% 70% at 70% 30%, rgba(27, 58, 95, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse 80% 60% at 30% 70%, rgba(46, 134, 171, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 60% at 50% 40%, rgba(201, 162, 39, 0.04) 0%, transparent 60%);
    animation: meshFade 20s ease-in-out infinite alternate-reverse;
}

@keyframes meshFade {
    0%   { opacity: 1; }
    100% { opacity: 0.3; }
}

/* Floating vector shapes container — overlays content subtly */
.bg-vectors {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    overflow: hidden;
    contain: strict;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .bg-mesh {
        animation: none;
    }
}

/* Hide on print */
@media print {
    .bg-mesh,
    .bg-vectors {
        display: none;
    }
}

/* Render optimization: skip painting off-screen sections */
.section {
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .navbar,
    .hero-scroll,
    .hero-cta,
    .request-form,
    .btn {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8);
    }

    .section {
        page-break-inside: avoid;
    }
}