/* Custom Animations */
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin-slow {
    animation: spin-slow 20s linear infinite;
}

/* ========================================
   Conference Specific Premium Styles
   ======================================== */

.summit-heading {
    font-family: 'Playfair Display', serif;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: #1a1a1a;
}

.summit-accent-gold {
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.summit-accent-navy {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Agenda Timeline */
.agenda-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 2.5rem;
    border-left: 2px solid #eaeaea;
}

.agenda-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    border: 3px solid #d97706;
}

.agenda-time {
    font-weight: 700;
    color: #d97706;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

/* Executive Card */
.executive-card {
    background: white;
    border-radius: 2px; /* Brutalist/Minimalist sleek look */
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid #f0f0f0;
}

.executive-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.executive-image-wrapper {
    aspect-ratio: 4/5;
    overflow: hidden;
    position: relative;
}

.executive-info {
    padding: 1.5rem;
    background: white;
}

/* Section Spacing */
.section-premium {
    padding: 100px 0;
}

.bg-summit-offwhite {
    background-color: #FDFDFB;
}

/* Buttons */
.btn-summit-primary {
    background: #1a1a1a;
    color: white;
    padding: 1rem 2.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    border: 1px solid #1a1a1a;
}

.btn-summit-primary:hover {
    background: transparent;
    color: #1a1a1a;
}

.btn-summit-outline {
    background: transparent;
    color: #1a1a1a;
    padding: 1rem 2.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    border: 1px solid #1a1a1a;
}

.btn-summit-outline:hover {
    background: #1a1a1a;
    color: white;
}


/* CSS Variables - Updated for Off-White Theme */
:root {
    /* Primary Colors */
    --color-navy: #1753ca;
    --color-navy-light: #306ed3;
    --color-navy-dark: #2a508f;
    
    /* Blue Scale */
    --color-blue-900: #1e3a8a;
    --color-blue-950: #566ebb;
    --color-royal-blue: #3b82f6;
    
    /* Gold/Amber Scale */
    --color-gold: #FFD700;
    --color-gold-light: #FFD700;
    --color-gold-dark: #B8860B;
    --color-gold-amber: #FFD700;
    --color-gold-amber-light: #FFD700;
    
    /* Off-White Background Colors - NEW */
    --color-bg-light: #F8F8F5;
    --color-bg-light-secondary: #FAFAF7;
    --color-bg-light-tertiary: #F5F5F2;
    --color-bg-white: #FFFFFF;
    
    /* Dark Background Colors (for reference) */
    --color-bg-dark: #020617;
    --color-bg-dark-secondary: #0f172a;
    --color-bg-dark-tertiary: #1e3a8a;
    
    /* White/Transparent Scale */
    --color-white: #ffffff;
    --color-white-light: rgba(255, 255, 255, 0.1);
    --color-white-medium: rgba(255, 255, 255, 0.5);
    --color-white-medium-high: rgba(255, 255, 255, 0.7);
    
    /* Text Colors - Updated to Black */
    --color-text-dark: #000000;
    --color-text-medium: #000000;
    --color-text-light: #000000;
    --color-text-muted: #000000;
    
    /* Glass Effect - Light theme */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-hover: rgba(96, 122, 175, 0.3);
    
    /* Overlay Colors - Light theme */
    --overlay-dark: rgba(2, 6, 23, 0.5);
    --overlay-dark-secondary: rgba(15, 23, 42, 0.6);
    --overlay-light: rgba(250, 250, 250, 0.1);
    
    /* Shadow Colors - Subtle for light theme */
    --shadow-light: rgba(0, 0, 0, 0.06);
    --shadow-light-medium: rgba(0, 0, 0, 0.1);
    --shadow-light-strong: rgba(0, 0, 0, 0.15);
    --shadow-gold: rgba(245, 158, 11, 0.4);
    --shadow-gold-strong: rgba(245, 158, 11, 0.6);
    --shadow-blue: rgba(24, 119, 242, 0.5);
    
    /* Divider Colors */
    --color-divider: #EAEAEA;
    --color-divider-light: #F0F0F0;
    
    /* Social Button Color */
    --color-facebook: #1877f2;
    
    /* Transition */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Dark Mode CSS Variables
   ======================================== */
body.dark {
    /* Dark Background Colors */
    --color-bg-light: #0a0a0a;
    --color-bg-light-secondary: #111111;
    --color-bg-light-tertiary: #1a1a1a;
    --color-bg-white: #1a1a1a;
    
    /* Dark Text Colors - White and Gold */
    --color-text-dark: #ffffff;
    --color-text-medium: #e5e5e5;
    --color-text-light: #d4d4d4;
    --color-text-muted: #a3a3a3;
    
    /* Glass Effect - Dark theme */
    --glass-bg: rgba(30, 30, 30, 0.9);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(245, 158, 11, 0.4);
    
    /* Overlay Colors - Dark theme */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-dark-secondary: rgba(0, 0, 0, 0.8);
    --overlay-light: rgba(30, 30, 30, 0.5);
    
    /* Shadow Colors - Darker for dark theme */
    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-light-medium: rgba(0, 0, 0, 0.4);
    --shadow-light-strong: rgba(0, 0, 0, 0.5);
    
    /* Divider Colors */
    --color-divider: #333333;
    --color-divider-light: #2a2a2a;
}

body.dark .bg-gradient-to-b {
    background: linear-gradient(to bottom, #0a0a0a, #111111, #0a0a0a);
}

body.dark .text-\[\#1A1A1A\] {
    color: #ffffff !important;
}

body.dark .text-\[\#444444\] {
    color: #e5e5e5 !important;
}

body.dark .text-\[\#666666\] {
    color: #a3a3a3 !important;
}

/* Dark Mode Navbar */
body.dark #navbar.scrolled {
    background: rgba(10, 10, 10, 0.95) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid #333333;
}

body.dark .nav-link {
    color: #ffffff !important;
}

body.dark .nav-link:hover {
    color: #f59e0b !important;
}

/* Dark Mode Theme Toggle */
body.dark #theme-toggle {
    color: #ffffff !important;
}

/* Dark Mode Hero Section */
body.dark #hero {
    background: #0a0a0a !important;
}

body.dark #hero::before {
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.1) 0%, transparent 50%);
}

body.dark #hero::after {
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
}

body.dark .slide-overlay {
    background: linear-gradient(135deg, 
        rgba(10, 10, 10, 0.5) 0%, 
        rgba(10, 10, 10, 0.4) 50%, 
        rgba(10, 10, 10, 0.5) 100%);
}

/* Dark Mode Hero Titles */
body.dark #hero-title-1 span,
body.dark #hero-title-2 span,
body.dark #hero-title-3 span,
body.dark #hero-title-4 span {
    background: linear-gradient(to right, #000000, #000000, #000000) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    color: transparent !important;
}

body.dark #hero-subtitle {
    color: #000000 !important;
}

/* Dark Mode Slider Controls */
body.dark .slider-dot {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

body.dark .slider-dot.active {
    background: #f59e0b;
    border-color: #f59e0b;
}

body.dark .slider-arrow {
    background: rgba(30, 30, 30, 0.9);
    border-color: #333333;
    color: #ffffff;
}

body.dark .slider-arrow:hover {
    background: #f59e0b;
    border-color: #f59e0b;
    color: #000000;
}

/* Dark Mode Scroll Indicator */
body.dark .scroll-mouse {
    border-color: rgba(255, 255, 255, 0.3);
}

/* Dark Mode Video Section */
body.dark #video-section {
    background: #111111 !important;
    border-top: 1px solid #333333;
    border-bottom: 1px solid #333333;
}

body.dark #video-section::before {
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.05) 0%, transparent 50%);
}

body.dark #video-section::after {
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

body.dark #video-section h2 {
    color: #ffffff !important;
}

body.dark #video-section p {
    color: #e5e5e5 !important;
}

body.dark .video-container {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

/* Dark Mode About Section */
body.dark #about {
    background: #0a0a0a !important;
}

body.dark #about::before {
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.05) 0%, transparent 50%);
}

body.dark #about::after {
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

body.dark #about h2 {
    color: #ffffff !important;
}

body.dark #about h3 {
    color: #f59e0b !important;
}

body.dark #about p {
    color: #e5e5e5 !important;
}

body.dark #about h4 {
    color: #ffffff !important;
}

body.dark #about .text-\[\#666666\] {
    color: #a3a3a3 !important;
}

/* Dark Mode Glass Cards */
body.dark .glass-card-enhanced {
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.9) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
}

body.dark .glass-card-enhanced:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.3);
    border-color: rgba(245, 158, 11, 0.3) !important;
}

/* Dark Mode Why Attend Section */
body.dark #why-attend {
    background: linear-gradient(to bottom, #0f172a, #111111, #0f172a) !important;
}

body.dark #why-attend::before {
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.08) 0%, transparent 50%);
}

body.dark #why-attend::after {
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
}

body.dark #why-attend h2 {
    color: #ffffff !important;
}

body.dark #why-attend h2 span {
    color: #f59e0b !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
}

body.dark #why-attend p {
    color: #d4d4d4 !important;
}

body.dark #why-attend h3 {
    color: #ffffff !important;
}

/* Dark Mode Feature Cards */
body.dark .feature-card {
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.9) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.dark .feature-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(245, 158, 11, 0.3) !important;
}

body.dark .feature-card h3 {
    color: #ffffff !important;
}

body.dark .feature-card p {
    color: #d4d4d4 !important;
}

/* Dark Mode Opportunities Section */
body.dark #opportunities {
    background: #111111 !important;
    border-top: 1px solid #333333;
}

body.dark #opportunities::before {
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.05) 0%, transparent 50%);
}

body.dark #opportunities::after {
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

body.dark #opportunities h2 {
    color: #ffffff !important;
}

body.dark #opportunities h3 {
    color: #f59e0b !important;
}

body.dark #opportunities p {
    color: #e5e5e5 !important;
}

body.dark #opportunities li {
    color: #d4d4d4 !important;
}

/* Dark Mode Opportunity Cards */
body.dark .opportunity-card {
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.9) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.dark .opportunity-card:hover {
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
    border-color: rgba(245, 158, 11, 0.3) !important;
}

/* Dark Mode Footer */
body.dark footer {
    background: #0a0a0a !important;
    border-top: 1px solid #333333;
}

body.dark footer h4 {
    color: #f59e0b !important;
}

body.dark footer a {
    color: #ffffff !important;
}

body.dark footer a:hover {
    color: #f59e0b !important;
}

body.dark footer p {
    color: #e5e5e5 !important;
}

body.dark footer .copyright {
    color: #a3a3a3 !important;
    border-top: 1px solid #333333;
}

/* Dark Mode Mobile Menu */
body.dark #mobile-menu {
    background: rgba(10, 10, 10, 0.98) !important;
    border-top: 1px solid #333333;
}

body.dark #mobile-menu a {
    color: #ffffff !important;
}

body.dark #mobile-menu a:hover {
    color: #f59e0b !important;
}

/* Dark Mode Logo */
body.dark .logo-container span {
    color: #ffffff !important;
}

/* Dark Mode Text Colors */
body.dark strong {
    color: #ffffff !important;
}

/* Dark Mode Gold Text */
body.dark .text-gold-400 {
    color: #f59e0b !important;
}

/* Dark Mode Divider */
body.dark .section-divider {
    background: linear-gradient(90deg, transparent, #333333, transparent);
}

/* Dark Mode Mobile Menu Button */
body.dark #mobile-menu-btn {
    color: #FFD700 !important;
}

/* Dark Mode CTA Buttons */
body.dark .cta-secondary {
    border-color: rgba(245, 158, 11, 0.7) !important;
    color: #f59e0b !important;
}

body.dark .cta-secondary:hover {
    background: rgba(245, 158, 11, 0.15) !important;
    color: #f59e0b !important;
}

/* Dark Mode Image Slider Gradient Overlay */
body.dark .absolute.inset-0.bg-gradient-to-r {
    background: linear-gradient(to right, rgba(10, 10, 10, 0.3), rgba(10, 10, 10, 0.1), rgba(10, 10, 10, 0.3)) !important;
}

/* Dark Mode Tagline */
body.dark #hero-tagline {
    color: #000000 !important;
}

/* Smooth transition for theme changes */
body {
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--color-bg-light);
    background-attachment: fixed;
    color: var(--color-text-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
}

/* Paragraphs and general text */
p, span, li {
    color: var(--color-text-medium);
}

/* Glassmorphism Card - Updated for Light Theme */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 4px 20px var(--shadow-light-medium);
}

.glass-card-enhanced {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,248,245,0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 
        0 4px 20px var(--shadow-light-medium),
        0 1px 3px var(--shadow-light);
    transition: var(--transition-smooth);
}

.glass-card-enhanced:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 12px 40px var(--shadow-light-strong),
        0 2px 6px var(--shadow-light);
    border-color: var(--glass-border-hover);
}

/* Gold Gradient Text */
.text-gold-400 {
    color: var(--color-gold-light);
}

.bg-gradient-to-r {
    background: linear-gradient(to right, var(--color-gold), var(--color-gold-dark));
}

.text-transparent {
    color: transparent;
}

.bg-clip-text {
    -webkit-background-clip: text;
    background-clip: text;
}

/* Navbar Styles */
#navbar {
    background: transparent;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.5s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px var(--shadow-light-medium);
    border-bottom: 1px solid var(--color-divider-light);
}

.logo-container {
    position: relative;
}

.logo-image {
    transition: var(--transition-smooth);
}

.logo-image:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 20px rgba(96, 122, 175, 0.5));
}

.nav-link {
    position: relative;
    padding: 0.5rem 0;
    color: var(--color-text-dark);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-dark));
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-navy);
}

/* Hero Section */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-light);
}

#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 5;
}

#hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* Image Slider */
.image-slider {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.slider-track {
    display: flex;
    width: 500%;
    height: 100%;
    animation: slide 20s linear infinite;
}

.slider-track.paused {
    animation-play-state: paused;
}

.slider-slide {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(248, 248, 245, 0.3) 0%, 
        rgba(248, 248, 245, 0.2) 50%, 
        rgba(248, 248, 245, 0.3) 100%);
}

@keyframes slide {
    0% { transform: translateX(0); }
    20% { transform: translateX(-20%); }
    40% { transform: translateX(-40%); }
    60% { transform: translateX(-60%); }
    80% { transform: translateX(-80%); }
    100% { transform: translateX(0); }
}

/* Particles */
#particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

#particles::before,
#particles::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

#particles::before {
    top: 10%;
    left: 10%;
}

#particles::after {
    bottom: 10%;
    right: 10%;
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

/* Slider Controls */
.slider-controls {
    z-index: 20;
}

.slider-dots {
    display: flex;
    gap: 12px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(26, 26, 26, 0.2);
    border: 2px solid rgba(26, 26, 26, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--color-gold);
    border-color: var(--color-gold);
    transform: scale(1.2);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-divider);
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 20;
    box-shadow: 0 4px 15px var(--shadow-light-medium);
}

.slider-arrow-left {
    left: 30px;
}

.slider-arrow-right {
    right: 30px;
}

.slider-arrow:hover {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-navy);
    transform: translateY(-50%) scale(1.1);
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
}

#hero-tagline {
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-size: 0.875rem;
    color: var(--color-navy);
}

#hero-title-1,
#hero-title-2,
#hero-title-3 {
    transform: translateY(30px);
}

/* Hero Title Colors - Black for slider/background images */
#hero-tagline {
    color: #000000 !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

#hero-title-1 span,
#hero-title-2 span,
#hero-title-3 span,
#hero-title-4 span {
    color: #000000 !important;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4), 0 4px 40px rgba(0, 0, 0, 0.2);
}

/* Hero Subtitle - Black */
#hero-subtitle {
    color: #000000 !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* CTA Buttons */
.cta-primary {
    position: relative;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-navy);
    font-weight: 600;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px var(--shadow-gold);
}

.cta-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--shadow-gold-strong);
}

.cta-primary:hover::before {
    opacity: 1;
}

.cta-secondary {
    background: transparent;
    border: 2px solid rgba(217, 119, 6, 0.5);
    color: var(--color-gold-dark);
    transition: var(--transition-smooth);
}

.cta-secondary:hover {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-gold);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--shadow-gold);
    color: var(--color-navy);
}

/* Social Button */
.social-btn {
    transition: var(--transition-smooth);
}

.social-btn:hover {
    background: #1877f2;
    box-shadow: 0 8px 30px rgba(24, 119, 242, 0.5);
}

/* Scroll Indicator */
.scroll-indicator {
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(26, 26, 26, 0.3);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* Section Theme - Off-White */
.section-theme {
    position: relative;
    background: var(--color-bg-light);
}

.section-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(245, 158, 11, 0.03) 70%);
    pointer-events: none;
}

/* Section Particles */
.section-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.section-particles::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: 20%;
    left: 10%;
    animation: float 20s ease-in-out infinite;
}

.section-particles::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: 20%;
    right: 10%;
    animation: float 15s ease-in-out infinite reverse;
}

/* Video Section - Light Theme */
#video-section {
    position: relative;
    background: var(--color-bg-white);
    border-top: 1px solid var(--color-divider);
    border-bottom: 1px solid var(--color-divider);
}

#video-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

#video-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.video-container {
    position: relative;
    max-width: 5xl;
    margin-left: auto;
    margin-right: auto;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow-light-strong);
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
    z-index: 10;
}

.video-play-btn {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.video-play-btn:hover {
    transform: scale(1.1);
    background: rgba(245, 158, 11, 0.3);
}

.video-play-btn svg {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-gold);
    margin-left: 0.25rem;
}

#summit-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-bg-light-secondary);
    display: block;
}

/* Video Section Text Colors */
#video-section h2 {
    color: var(--color-text-dark);
}

#video-section p {
    color: var(--color-text-medium);
}

/* Mobile responsive video styles */
@media (max-width: 768px) {
    .video-play-btn {
        width: 4rem;
        height: 4rem;
    }
    
    .video-play-btn svg {
        width: 1.5rem;
        height: 1.5rem;
    }
}

/* About Section - Light Theme */
#about {
    position: relative;
    background: var(--color-bg-light-secondary);
}

#about::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

#about::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* About Section Text Colors */
#about h2 {
    color: var(--color-text-dark);
}

#about h3 {
    color: var(--color-navy);
}

#about p {
    color: var(--color-text-medium);
}

#about h4 {
    color: var(--color-text-dark);
}

/* Why Attend Section - Light Theme */
#why-attend {
    position: relative;
    background: var(--color-bg-light);
}

#why-attend::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

#why-attend::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Why Attend Text Colors */
#why-attend h2 {
    color: var(--color-text-dark);
}

#why-attend h2 span {
    color: var(--color-gold);
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
}

#why-attend p {
    color: var(--color-text-medium);
}

#why-attend h3 {
    color: var(--color-text-dark);
}

/* Feature Cards - Light Theme */
.feature-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,248,245,0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow-light-medium);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-light-strong);
    border-color: rgba(245, 158, 11, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

/* Feature Card Text */
.feature-card h3 {
    color: var(--color-text-dark);
}

.feature-card p {
    color: var(--color-text-light);
}

/* Opportunities Section - Light Theme */
#opportunities {
    position: relative;
    background: var(--color-bg-white);
    border-top: 1px solid var(--color-divider);
}

#opportunities::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(23, 83, 202, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

#opportunities::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Opportunities Text Colors */
#opportunities h2 {
    color: var(--color-text-dark);
}

#opportunities h3 {
    color: var(--color-navy);
}

#opportunities p {
    color: var(--color-text-medium);
}

#opportunities li {
    color: var(--color-text-medium);
}

/* Opportunity Cards - Light Theme */
.opportunity-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,248,245,0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 4px 20px var(--shadow-light-medium);
}

.opportunity-card:hover {
    transform: translateY(-5px);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 12px 35px var(--shadow-light-strong);
}

/* Footer - Light Theme */
footer {
    position: relative;
    background: #ffffff;
    border-top: 1px solid var(--color-divider);
}

/* Footer email centering */
footer .grid > div:first-child {
    text-align: center;
}

footer .grid > div:first-child a {
    justify-content: center;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.3), transparent);
}

footer h4 {
    color: #000000;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

footer h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-dark));
    border-radius: 1px;
}

footer a {
    color: #000000;
    transition: all 0.3s ease;
    position: relative;
}

footer a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

footer p {
    color: #000000;
}

footer .copyright {
    color: #666666;
    border-top: 1px solid var(--color-divider-light);
    padding-top: 2rem;
    margin-top: 2rem;
}

/* Mobile Menu - Light Theme */
#mobile-menu {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-divider-light);
}

#mobile-menu a {
    color: var(--color-text-dark);
}

#mobile-menu a:hover {
    color: var(--color-navy);
}

/* Section Dividers */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-divider), transparent);
    margin: 0;
}

/* ========================================
   Responsive Styles - Mobile Improvements
   ======================================== */

/* Small mobile devices (320px and up) */
@media (min-width: 320px) {
    /* Hero section adjustments */
    .hero-content {
        padding: 0 1rem;
    }
    
    /* Slider arrows - hide on very small screens */
    .slider-arrow {
        display: none;
    }
    
    /* Adjust hero text for small screens */
    #hero-title-1,
    #hero-title-2,
    #hero-title-3 {
        font-size: 1.5rem;
    }
}

/* Mobile devices (480px and up) */
@media (min-width: 480px) {
    .slider-arrow {
        display: flex;
        width: 40px;
        height: 40px;
        left: 15px;
        right: 15px;
    }
    
    .slider-arrow-right {
        right: 15px;
    }
    
    .slider-arrow-left {
        left: 15px;
    }
}

/* Tablets (768px and up) */
@media (min-width: 768px) {
    .slider-arrow {
        width: 50px;
        height: 50px;
        left: 30px;
        right: 30px;
    }
    
    .slider-arrow-right {
        right: 30px;
    }
    
    .slider-arrow-left {
        left: 30px;
    }
}

/* Large tablets and small desktops (1024px and up) */
@media (min-width: 1024px) {
    /* Show slider arrows on larger screens */
    .slider-arrow {
        display: flex;
    }
}

/* Hide scroll indicator on mobile */
@media (max-width: 640px) {
    .scroll-indicator {
        display: none;
    }
    
    /* Adjust section padding for mobile */
    section {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Adjust navbar for mobile */
    #navbar {
        padding: 0.5rem 0;
    }
    
    /* Adjust hero content spacing */
    .hero-content {
        padding: 0 0.5rem;
    }
    
    /* Adjust button sizes for mobile */
    .cta-primary,
    .cta-secondary {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
        width: 100%;
        max-width: 280px;
    }
    
    /* Stack buttons vertically on mobile */
    #hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Adjust social buttons for mobile */
    .social-btn {
        width: 40px;
        height: 40px;
    }
    
    /* Adjust glass cards for mobile */
    .glass-card-enhanced {
        padding: 1rem;
        border-radius: 1rem;
    }
    
    /* Adjust grid layouts for mobile */
    .grid {
        gap: 1rem;
    }
    
    /* Hero content adjustments for mobile */
    .hero-content {
        margin-top: 2rem;
    }
    
    /* Ensure hero section fits viewport */
    #hero {
        min-height: 100vh;
        padding-top: 4rem;
        padding-bottom: 2rem;
    }
    
    /* Video section mobile improvements */
    #video-section .grid {
        grid-template-columns: 1fr;
    }
    
    /* About section mobile improvements */
    #about .grid {
        grid-template-columns: 1fr;
    }
    
    /* Opportunities section mobile improvements */
    #opportunities .grid {
        grid-template-columns: 1fr;
    }
    
    /* Why attend section mobile improvements */
    #why-attend .grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer mobile improvements */
    footer .grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    footer h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    footer a:hover {
        padding-left: 0;
    }
}

/* Extra small devices (below 480px) */
@media (max-width: 480px) {
    /* Adjust hero title sizes */
    h1 {
        font-size: 1.75rem;
    }
    
    /* Adjust tagline */
    #hero-tagline {
        font-size: 0.625rem;
        letter-spacing: 0.2em;
    }
    
    /* Adjust subtitle */
    #hero-subtitle {
        font-size: 1rem;
    }
    
    /* Hide some elements on very small screens */
    .slider-controls {
        bottom: 2rem;
    }
    
    /* Adjust footer */
    footer {
        padding: 2rem 1rem;
    }
    
    footer .grid {
        gap: 2rem;
    }
}

/* Landscape mode adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    #hero {
        min-height: auto;
        padding: 5rem 0 3rem;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Improve text rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .slider-track {
        animation: none;
    }
}