:root {
    /* Premium Color Palette */
    --color-primary: hsl(280, 70%, 50%);
    --color-primary-dark: hsl(280, 70%, 35%);
    --color-primary-light: hsl(280, 70%, 65%);
    --color-accent: hsl(45, 95%, 55%);
    --color-accent-dark: hsl(45, 95%, 45%);

    --color-bg-dark: hsl(240, 15%, 8%);
    --color-bg-darker: hsl(240, 15%, 5%);
    --color-bg-card: hsl(240, 15%, 12%);
    --color-bg-elevated: hsl(240, 15%, 15%);

    --color-text-primary: hsl(0, 0%, 98%);
    --color-text-secondary: hsl(0, 0%, 75%);
    --color-text-muted: hsl(0, 0%, 55%);

    --gradient-primary: linear-gradient(135deg, hsl(280, 70%, 50%), hsl(320, 70%, 50%));
    --gradient-accent: linear-gradient(135deg, hsl(45, 95%, 55%), hsl(30, 95%, 50%));
    --gradient-hero: linear-gradient(135deg, hsl(280, 70%, 20%), hsl(240, 70%, 15%), hsl(200, 70%, 20%));

    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.4);

    --glow-primary: 0 0 40px rgba(168, 85, 247, 0.4);
    --glow-accent: 0 0 40px rgba(251, 191, 36, 0.4);

    /* Glass effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    font-weight: 700;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.intro-text {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    font-style: italic;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    padding: var(--spacing-md) 0;
}

.intro-text::before,
.intro-text::after {
    content: '"';
    font-size: 3rem;
    color: var(--color-accent);
    opacity: 0.3;
    font-family: var(--font-display);
    position: absolute;
}

.intro-text::before {
    top: -10px;
    left: -30px;
}

.intro-text::after {
    bottom: -30px;
    right: -30px;
}

.body-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.center {
    text-align: center;
}

/* Buttons */
.btn {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(168, 85, 247, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    background-image: url('images/hero_celebration_background_1763681699247.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    opacity: 0.4;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-bg-dark) 100%),
                rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-display);
    font-weight: 500;
    animation: fadeInUp 1s ease;
}

.hero-body {
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    animation: fadeInUp 1.2s ease;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    animation: fadeInUp 1.4s ease;
}

.hero-micro {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 4rem;
    animation: fadeInUp 1.6s ease;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    z-index: 2;
    animation: fadeIn 2s ease;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--color-accent);
    margin: var(--spacing-xs) auto 0;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0.5;
    }

    50% {
        transform: translateY(10px);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styling */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

section:nth-child(even) {
    background: var(--color-bg-darker);
}

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

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.about-highlights {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.about-highlights h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.highlights-list {
    list-style: none;
}

.highlights-list li {
    padding: var(--spacing-sm) 0;
}

/* Tribute Section */
.tribute-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.tribute-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.tribute-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--color-primary-light);
}

.tribute-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.tribute-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.tribute-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

.tribute-closing {
    text-align: center;
    font-size: 1.3rem;
    margin-top: var(--spacing-xl);
    font-family: var(--font-display);
    color: var(--color-text-secondary);
}

.tribute-closing em {
    color: var(--color-accent);
    font-style: italic;
}

/* Timeline Section */
.timeline {
    background: var(--color-bg-darker);
}

.timeline-track {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.timeline-track::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 3;
    text-align: left;
}

.timeline-marker {
    grid-column: 2;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--glow-primary), 0 0 0 8px var(--color-bg-darker);
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.3);
    box-shadow: var(--glow-primary), 0 0 0 12px var(--color-bg-darker);
}

.timeline-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.timeline-content h3 {
    backdrop-filter: blur(10px);
    position: relative;
    transition: all var(--transition-normal);
}

/* Quotes Section */
.quotes {
    position: relative;
    overflow: hidden;
}

.quotes .section-header {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.quotes .section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.quotes::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(251, 191, 36, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.quotes .container {
    position: relative;
    z-index: 1;
}

.quotes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.quote-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.quote-card:nth-child(1) {
    animation-delay: 0.1s;
}

.quote-card:nth-child(2) {
    animation-delay: 0.2s;
}

.quote-card:nth-child(3) {
    animation-delay: 0.3s;
}

.quote-card:nth-child(4) {
    animation-delay: 0.4s;
}

.quote-card:nth-child(5) {
    animation-delay: 0.5s;
}

.quote-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.quote-card:hover::before {
    opacity: 0.6;
}

.quote-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.06);
}

.quote-mark {
    font-size: 3rem;
    line-height: 0.7;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    opacity: 0.3;
    position: relative;
    z-index: 0;
    transition: opacity var(--transition-normal);
    display: block;
}

.quote-card:hover .quote-mark {
    opacity: 0.5;
}

.quote-text {
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-weight: 400;
    position: relative;
    z-index: 1;
    margin: 0;
    font-style: italic;
    letter-spacing: 0.01em;
    transition: color var(--transition-normal);
}

.quote-card:hover .quote-text {
    color: var(--color-text-primary);
}

/* Wishes Section */
.wishes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.wish-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.wish-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--color-primary-light);
}

.wish-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.wish-author {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 600;
    text-align: right;
}

.wish-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.micro-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

/* Photo Showcase Section */
.photo-showcase {
    position: relative;
    overflow: hidden;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.showcase-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.showcase-item:nth-child(1) {
    animation-delay: 0.1s;
}

.showcase-item:nth-child(2) {
    animation-delay: 0.3s;
}

.showcase-item:nth-child(3) {
    animation-delay: 0.5s;
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--color-primary-light);
}

.showcase-image {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    background: var(--color-bg-card);
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: brightness(0.9);
}

.showcase-item:hover .showcase-image img {
    transform: scale(1.1);
    filter: brightness(1);
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    backdrop-filter: blur(10px);
}

.showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-caption {
    color: var(--color-text-primary);
    font-size: 1.05rem;
    line-height: 1.6;
    font-style: italic;
    margin: 0;
    text-align: center;
    font-family: var(--font-display);
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(251, 191, 36, 0.1));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
    pointer-events: none;
}

.showcase-item:hover::before {
    opacity: 1;
}

/* Add a subtle border glow effect */
.showcase-item::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: 20px;
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
}

.showcase-item:hover::after {
    opacity: 0.3;
}

/* Registration Section */
.registration-section {
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

.registration-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.registration-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.registration-form-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--spacing-xl);
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-xl);
    margin-top: var(--spacing-lg);
}

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

.form-header h3 {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-display);
}

.form-header p {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-family: var(--font-body);
}

.form-group input,
.form-group select,
.form-group textarea,
.form-control {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    width: 100%;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
    background: var(--color-bg-elevated);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-body);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: normal;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    cursor: pointer;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
    margin-top: var(--spacing-sm);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

/* Speakers Section */
.speakers-section {
    background: var(--color-bg-darker);
    position: relative;
    overflow: hidden;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.speaker-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.speaker-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--glow-primary);
    border-color: var(--color-primary-light);
}

.speaker-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--color-bg-card);
}

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

.speaker-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    opacity: 0.8;
}

.speaker-card:hover .speaker-image img {
    transform: scale(1.1);
}

.speaker-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.speaker-card:hover .speaker-overlay {
    opacity: 1;
}

.speaker-social {
    display: flex;
    gap: var(--spacing-sm);
}

.speaker-social a {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.speaker-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: scale(1.1);
}

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

.speaker-info h3 {
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-display);
}

.speaker-title {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-body);
}

.speaker-bio {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-bg-darker), var(--color-bg-dark));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1), transparent);
    animation: pulse 8s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.cta-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.cta-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin: var(--spacing-lg) 0;
}

/* Footer */
.footer {
    background: var(--color-bg-darker);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.footer-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.8;
}

.footer-tagline {
    font-size: 1.3rem;
    font-family: var(--font-display);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

.social-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.social-link:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    background: var(--glass-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    margin: 5% auto;
    padding: var(--spacing-lg);
    max-width: 600px;
    position: relative;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close:hover {
    color: var(--color-text-primary);
}

.modal-content h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

#tributeForm {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

#tributeForm input,
#tributeForm textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

#tributeForm input:focus,
#tributeForm textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

#tributeForm button {
    margin-top: var(--spacing-sm);
}

/* Responsive Design */
/* Tablet and below */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }
}

/* Mobile devices */
@media (max-width: 768px) {
    /* Base adjustments */
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
        max-width: 100%;
    }

    section {
        padding: var(--spacing-md) 0;
    }

    /* Typography */
    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: var(--spacing-xs);
    }

    .section-subtitle {
        font-size: 0.75rem;
        margin-bottom: var(--spacing-sm);
    }

    .intro-text {
        font-size: 1rem;
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-lg);
    }

    .intro-text::before,
    .intro-text::after {
        font-size: 2rem;
    }

    .intro-text::before {
        left: -15px;
        top: -5px;
    }

    .intro-text::after {
        right: -15px;
        bottom: -20px;
    }

    .body-text {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    /* Hero Section */
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .hero-content {
        padding: var(--spacing-sm);
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
        margin-bottom: var(--spacing-sm);
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 5vw, 1.4rem);
        margin-bottom: var(--spacing-md);
    }

    .hero-body {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-sm);
        line-height: 1.7;
    }

    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin: var(--spacing-md) 0 var(--spacing-sm);
    }

    .hero-micro {
        font-size: 0.85rem;
        margin-bottom: 3rem;
    }

    .scroll-indicator {
        bottom: var(--spacing-sm);
        font-size: 0.75rem;
    }

    /* Buttons */
    .btn {
        font-size: 0.9rem;
        padding: 0.875rem 2rem;
        width: 100%;
        max-width: 100%;
        min-height: 44px; /* Better touch target */
        touch-action: manipulation; /* Prevent double-tap zoom */
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-top: var(--spacing-md);
    }

    .about-highlights {
        padding: var(--spacing-md);
    }

    .about-highlights h3 {
        font-size: 1.5rem;
    }

    /* Timeline Section */
    .timeline-track::before {
        left: 20px;
    }

    .timeline-item {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 2;
        text-align: left;
    }

    .timeline-marker {
        grid-column: 1;
        width: 16px;
        height: 16px;
    }

    .timeline-content {
        padding: var(--spacing-sm);
    }

    .timeline-content h3 {
        font-size: 1.2rem;
    }

    /* Quotes Section */
    .quotes-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .quote-card {
        padding: var(--spacing-sm);
    }

    .quote-mark {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-xs);
    }

    .quote-text {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* Wishes Section */
    .wishes-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .wish-card {
        padding: var(--spacing-md);
    }

    .wish-text {
        font-size: 0.95rem;
    }

    /* Showcase Section */
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .showcase-image {
        height: 250px;
    }

    .showcase-overlay {
        transform: translateY(0);
        background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 100%);
        padding: var(--spacing-md);
    }

    .showcase-caption {
        font-size: 0.9rem;
    }

    /* Tribute Section */
    .tribute-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .tribute-card {
        padding: var(--spacing-md);
    }

    .tribute-icon {
        font-size: 2.5rem;
    }

    .tribute-card h3 {
        font-size: 1.3rem;
    }

    .tribute-card p {
        font-size: 0.95rem;
    }

    .tribute-closing {
        font-size: 1.1rem;
        margin-top: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    /* Registration Section */
    .registration-form-container {
        padding: var(--spacing-md);
    }

    .form-header h3 {
        font-size: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .form-group input,
    .form-group select,
    .form-group textarea,
    .form-control {
        font-size: 0.95rem;
        padding: var(--spacing-sm);
    }

    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
        width: 100%;
    }

    /* Speakers Section */
    .speakers-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .speaker-image {
        height: 250px;
    }

    .speaker-info {
        padding: var(--spacing-md);
    }

    .speaker-info h3 {
        font-size: 1.3rem;
    }

    .speaker-title {
        font-size: 0.95rem;
    }

    .speaker-bio {
        font-size: 0.85rem;
    }

    /* CTA Section */
    .cta-content {
        padding: 0 var(--spacing-sm);
    }

    .cta-list {
        margin: var(--spacing-md) 0;
    }

    .cta-list li {
        font-size: 0.95rem;
        padding-left: var(--spacing-sm);
    }

    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .cta-buttons .btn {
        width: 100%;
    }

    /* Footer */
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .footer-text {
        font-size: 0.95rem;
        padding: 0 var(--spacing-sm);
    }

    .footer-tagline {
        font-size: 1.1rem;
    }

    .footer-social {
        font-size: 0.85rem;
        padding: 0 var(--spacing-sm);
    }

    /* Modal */
    .modal-content {
        margin: 10% auto;
        padding: var(--spacing-md);
        max-width: 90%;
        border-radius: 15px;
    }

    .modal-content h2 {
        font-size: 1.5rem;
    }

    .close {
        right: var(--spacing-sm);
        top: var(--spacing-sm);
        font-size: 1.5rem;
    }

    #tributeForm input,
    #tributeForm textarea {
        font-size: 0.95rem;
        padding: var(--spacing-sm);
    }

    #tributeForm button {
        width: 100%;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 var(--spacing-xs);
    }

    section {
        padding: var(--spacing-sm) 0;
    }

    .section-title {
        font-size: clamp(1.75rem, 10vw, 2.5rem);
    }

    .hero-title {
        font-size: clamp(1.75rem, 12vw, 3rem);
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 6vw, 1.2rem);
    }

    .hero-body {
        font-size: 0.9rem;
    }

    .btn {
        font-size: 0.85rem;
        padding: 0.75rem 1.5rem;
        min-height: 44px;
    }

    /* Better touch targets for interactive elements */
    .close,
    .tribute-card,
    .quote-card,
    .wish-card,
    .showcase-item {
        min-height: 44px;
        touch-action: manipulation;
    }

    .quote-mark {
        font-size: 2rem;
    }

    .quote-text {
        font-size: 0.9rem;
    }

    .showcase-image {
        height: 220px;
    }

    .intro-text::before,
    .intro-text::after {
        display: none;
    }

    .tribute-icon {
        font-size: 2rem;
    }

    .tribute-card h3 {
        font-size: 1.2rem;
    }

    .tribute-closing {
        font-size: 1rem;
    }

    .modal-content {
        margin: 5% auto;
        padding: var(--spacing-sm);
        max-width: 95%;
    }

    .quotes .section-header::after {
        width: 60px;
    }

    .registration-form-container {
        padding: var(--spacing-sm);
    }

    .form-header h3 {
        font-size: 1.3rem;
    }

    .speaker-image {
        height: 220px;
    }

    .speaker-info h3 {
        font-size: 1.2rem;
    }
}

/* Scroll animations */
    .animate-on-scroll {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.8s ease;
    }

    .animate-on-scroll.animated {
        opacity: 1;
        transform: translateY(0);
    }