/* ========================================
   OffshorIQ - Pattaya 2026
   Design System & Styles
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-navy: #1a2744;
    --color-navy-dark: #0f1829;
    --color-navy-light: #2a3a5c;
    --color-teal: #00a8a8;
    --color-teal-dark: #008585;
    --color-teal-light: #00c4c4;
    --color-gold: #d4af37;
    --color-gold-light: #e8c84a;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-teal) 0%, var(--color-navy) 100%);
    --gradient-hero: linear-gradient(180deg, var(--color-navy-dark) 0%, var(--color-navy) 50%, var(--color-navy-light) 100%);
    --gradient-gold: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    
    /* Typography */
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(0, 168, 168, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
}

/* ========================================
   Layout
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-teal);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-teal);
    border-color: var(--color-teal);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(26, 39, 68, 0.95);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(26, 39, 68, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
}

.logo-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    background: var(--gradient-gold);
    color: var(--color-navy);
    border-radius: var(--radius-sm);
}

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

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

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

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--color-white);
}

.nav-tickets {
    background: var(--color-teal);
    color: var(--color-white) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
}

.nav-tickets:hover {
    background: var(--color-teal-light);
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-navy);
        padding: var(--space-lg);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .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;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 39, 68, 0.9) 0%, rgba(26, 39, 68, 0.7) 50%, rgba(26, 39, 68, 0.95) 100%),
                radial-gradient(circle at 30% 40%, rgba(0, 168, 168, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(212, 175, 55, 0.15) 0%, transparent 40%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-4xl) var(--space-lg);
    max-width: 900px;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--color-teal-light);
    margin-bottom: var(--space-lg);
}

.hero-subheadline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray-300);
    margin-bottom: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.hero-date,
.hero-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-white);
}

.hero-date svg,
.hero-location svg {
    color: var(--color-gold);
}

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

.hero-ctas .btn-outline {
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-400);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

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

/* ========================================
   Event Overview
   ======================================== */

.overview {
    background: var(--color-gray-100);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

@media (max-width: 768px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
}

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

.info-card {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.info-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--color-white);
}

.info-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xs);
}

.info-content p {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-navy);
}

.info-note {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.overview-highlights h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.highlights-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: 1.0625rem;
    color: var(--color-gray-700);
}

.highlight-icon {
    flex-shrink: 0;
    color: var(--color-teal);
}

/* ========================================
   Agenda
   ======================================== */

.agenda-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.legend-icon {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.legend-icon.keynote { background: var(--color-teal); }
.legend-icon.lightning { background: var(--color-gold); }
.legend-icon.panel { background: var(--color-navy); }
.legend-icon.workshop { background: #6366f1; }

.agenda-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.agenda-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--color-teal);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.agenda-card.exploration {
    border-top-color: var(--color-gold);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(212, 175, 55, 0.05) 100%);
}

.agenda-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.agenda-date {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
}

.agenda-day {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-teal);
    background: rgba(0, 168, 168, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.agenda-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.agenda-card-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.agenda-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.tag.keynote { background: var(--color-teal); }
.tag.lightning { background: var(--color-gold); color: var(--color-navy); }
.tag.panel { background: var(--color-navy); }
.tag.workshop { background: #6366f1; }
.tag.exploration { background: var(--color-gold); color: var(--color-navy); }

.agenda-cta {
    text-align: center;
}

/* ========================================
   Speakers
   ======================================== */

.speakers {
    background: var(--color-gray-100);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.speaker-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.speaker-image {
    aspect-ratio: 1;
    background: var(--gradient-primary);
    overflow: hidden;
}

.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.speaker-card:hover .speaker-image img {
    transform: scale(1.05);
}

.speaker-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
}

.speaker-info {
    padding: var(--space-lg);
}

.speaker-name {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.speaker-title {
    font-size: 0.875rem;
    color: var(--color-teal);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.speaker-topic {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.speakers-cta {
    text-align: center;
}

/* ========================================
   Registration / Pricing
   ======================================== */

.registration {
    background: var(--color-navy);
    color: var(--color-white);
}

.registration .section-label {
    color: var(--color-gold);
}

.registration .section-title {
    color: var(--color-white);
}

.registration .section-subtitle {
    color: var(--color-gray-400);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.pricing-card {
    position: relative;
    background: var(--color-white);
    color: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: transform var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(0, 168, 168, 0.05) 100%);
    border: 2px solid var(--color-teal);
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

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

.pricing-name {
    font-size: 1.5rem;
    color: var(--color-navy);
    margin-bottom: var(--space-xs);
}

.pricing-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-navy);
}

.price-period {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.pricing-features {
    margin-bottom: var(--space-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
}

.pricing-features li svg {
    flex-shrink: 0;
    color: var(--color-teal);
}

.pricing-features li.excluded {
    color: var(--color-gray-400);
}

.pricing-features li.excluded svg {
    color: var(--color-gray-400);
}

.pricing-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

/* ========================================
   Accommodation
   ======================================== */

.accommodation-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
}

@media (max-width: 968px) {
    .accommodation-grid {
        grid-template-columns: 1fr;
    }
}

.accommodation-hotels h3,
.accommodation-travel h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
}

.hotel-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.hotel-card {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hotel-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hotel-image {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    background: var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.hotel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.hotel-card:hover .hotel-image img {
    transform: scale(1.05);
}

.hotel-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
}

.hotel-tier {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-teal);
    margin-bottom: var(--space-xs);
}

.hotel-info h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.hotel-info p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
}

.hotel-price {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--space-md);
}

.travel-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.travel-item {
    display: flex;
    gap: var(--space-md);
}

.travel-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 168, 168, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-teal);
}

.travel-content h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.travel-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* ========================================
   Experiences
   ======================================== */

.experiences {
    background: var(--color-gray-100);
}

.experiences-carousel {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    padding-bottom: var(--space-lg);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.experiences-carousel::-webkit-scrollbar {
    height: 8px;
}

.experiences-carousel::-webkit-scrollbar-track {
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
}

.experiences-carousel::-webkit-scrollbar-thumb {
    background: var(--color-teal);
    border-radius: var(--radius-full);
}

.experience-card {
    flex-shrink: 0;
    width: 280px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    scroll-snap-align: start;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.experience-image {
    height: 160px;
    background: var(--gradient-primary);
    overflow: hidden;
}

.experience-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.experience-card:hover .experience-image img {
    transform: scale(1.05);
}

.experience-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
}

.experience-content {
    padding: var(--space-lg);
}

.experience-type {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-teal);
    margin-bottom: var(--space-sm);
}

.experience-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.experience-content p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* ========================================
   Sponsors
   ======================================== */

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.sponsor-logo {
    aspect-ratio: 16/9;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.sponsor-logo:hover {
    transform: scale(1.05);
}

.sponsor-placeholder {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    font-weight: 500;
}

.sponsors-cta {
    text-align: center;
}

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

/* ========================================
   Series / Future Editions
   ======================================== */

.series {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.series-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.series-icon {
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.series-content h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.series-content p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
}

.series-form {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.series-form input {
    flex: 1;
    min-width: 250px;
    padding: 0.875rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.series-form input:focus {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.series-form .btn {
    background: var(--color-gold);
    color: var(--color-navy);
}

.series-form .btn:hover {
    background: var(--color-gold-light);
}

/* ========================================
   FAQ / Contact
   ======================================== */

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

@media (max-width: 968px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

.faq-questions h2,
.faq-contact h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-xl);
}

/* Accordion */
.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.accordion-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-navy);
    background: var(--color-white);
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: var(--color-gray-100);
}

.accordion-header svg {
    flex-shrink: 0;
    color: var(--color-gray-500);
    transition: transform var(--transition-base);
}

.accordion-header[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-content p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-gray-600);
}

/* Contact Form */
.faq-contact p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
}

.contact-form {
    margin-bottom: var(--space-2xl);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(0, 168, 168, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Newsletter */
.newsletter-signup {
    padding: var(--space-xl);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
}

.newsletter-signup h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.newsletter-signup p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--space-md);
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(0, 168, 168, 0.1);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--color-navy-dark);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-xl);
}

.footer-brand .logo-text {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    display: block;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-gray-400);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-teal);
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ========================================
   Animations
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Utility Classes
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 640px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .hotel-card {
        flex-direction: column;
    }
    
    .hotel-image {
        width: 100%;
        height: 160px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* ========================================
   Modal
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: var(--space-xs);
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--color-navy);
}

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

.modal-header h3 {
    font-size: 1.5rem;
    color: var(--color-navy);
    margin-bottom: var(--space-sm);
}

.modal-header p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

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

.modal-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-navy);
    margin-bottom: var(--space-xs);
}

.modal-form input,
.modal-form textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-base);
}

.modal-form input:focus,
.modal-form textarea:focus {
    outline: none;
    border-color: var(--color-teal);
}

.modal-form textarea {
    resize: vertical;
    min-height: 80px;
}

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

@media (max-width: 480px) {
    .modal-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: var(--space-lg);
    }
}

.modal-form .btn {
    margin-top: var(--space-md);
}

.modal-form select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-white);
    cursor: pointer;
    transition: border-color var(--transition-base);
}

.modal-form select:focus {
    outline: none;
    border-color: var(--color-teal);
}

/* Sponsor logo styling */
.sponsor-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.sponsor-logo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sponsor-logo img {
    max-width: 120px;
    max-height: 50px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter var(--transition-base), opacity var(--transition-base);
}

.sponsor-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.sponsor-fallback {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
}