/* ===== CSS Variables ===== */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a25;
    --color-bg-card-hover: #222230;

    --color-primary: #c9956c;
    --color-primary-light: #d4a574;
    --color-primary-dark: #8b6914;
    --color-accent: #a67c52;

    --color-text: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;

    --color-border: rgba(201, 149, 108, 0.2);
    --color-border-light: rgba(201, 149, 108, 0.1);

    --color-red: #8b2035;
    --color-red-dark: #5c1525;

    --gradient-gold: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
    --gradient-red: linear-gradient(135deg, #8b2035 0%, #5c1525 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);

    --shadow-glow: 0 0 60px rgba(201, 149, 108, 0.15);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

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

/* ===== Particles Background ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.6;
    }
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo {
    height: 100px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
    transition: var(--transition);
}

.header-logo:hover {
    opacity: 1;
}

.logo-icon {
    color: var(--color-primary);
    font-size: 24px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition);
}

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

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

.header-btn {
    padding: 10px 24px;
    background: var(--gradient-gold);
    color: var(--color-bg);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.header-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 149, 108, 0.3);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-bg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(201, 149, 108, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(201, 149, 108, 0.1);
    border-color: var(--color-primary);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    font-size: 18px;
    transition: var(--transition);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

.play-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 160px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(139, 32, 53, 0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(201, 149, 108, 0.15) 0%, transparent 50%);
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(201, 149, 108, 0.1) 0%, transparent 70%);
    filter: blur(60px);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 20px;
    background: rgba(201, 149, 108, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: 13px;
    color: var(--color-primary-light);
    margin-bottom: 24px;
}

.hero-badge-logo {
    background: transparent;
    border: none;
    padding: 0;
}

.hero-logo {
    height: 100px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: var(--transition);
}

.badge-icon {
    font-size: 8px;
    color: var(--color-primary);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    color: var(--color-text);
}

.title-accent {
    display: block;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-year {
    display: block;
    font-size: 0.6em;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary-light);
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-frame {
    position: relative;
    width: 400px;
    height: 450px;
    background: linear-gradient(145deg, rgba(30, 30, 40, 0.8) 0%, rgba(20, 20, 30, 0.9) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.frame-corner {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-primary);
}

.frame-corner.top-left {
    top: 15px;
    left: 15px;
    border-right: none;
    border-bottom: none;
}

.frame-corner.top-right {
    top: 15px;
    right: 15px;
    border-left: none;
    border-bottom: none;
}

.frame-corner.bottom-left {
    bottom: 15px;
    left: 15px;
    border-right: none;
    border-top: none;
}

.frame-corner.bottom-right {
    bottom: 15px;
    right: 15px;
    border-left: none;
    border-top: none;
}

.visual-content {
    text-align: center;
    padding: 40px;
}

.golden-key {
    margin-bottom: 24px;
    animation: keyFloat 4s ease-in-out infinite;
}

.key-svg {
    width: 100px;
    height: 200px;
    filter: drop-shadow(0 0 30px rgba(201, 149, 108, 0.5));
}

@keyframes keyFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

.visual-text {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--color-primary-light);
    font-style: italic;
}

/* ===== Section Styles ===== */
section {
    position: relative;
    padding: 100px 0;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(139, 32, 53, 0.3) 0%, rgba(92, 21, 37, 0.3) 100%);
    border: 1px solid rgba(139, 32, 53, 0.5);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 500;
    color: #e8a0a0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== About Section ===== */
.about {
    background: var(--gradient-dark);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.about-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border);
    transform: translateY(-5px);
}

.about-card.main-card {
    background: linear-gradient(145deg, rgba(139, 32, 53, 0.2) 0%, rgba(30, 30, 40, 0.8) 100%);
    border-color: rgba(139, 32, 53, 0.3);
    text-align: center;
    padding: 50px;
}

.card-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--color-primary-light);
}

.about-card p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ===== Blocks Section ===== */
.blocks {
    background: var(--color-bg);
}

.blocks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.block-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    transition: var(--transition);
    overflow: hidden;
}

.block-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: var(--transition);
}

.block-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border);
    transform: translateY(-8px);
}

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

.block-card.featured {
    background: linear-gradient(145deg, rgba(139, 32, 53, 0.2) 0%, var(--color-bg-card) 100%);
    border-color: rgba(139, 32, 53, 0.3);
}

.block-card.featured::before {
    background: var(--gradient-red);
    opacity: 1;
}

.block-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 12px;
    background: var(--gradient-red);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.block-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 10px;
}

.block-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
    color: var(--color-primary);
}

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

.block-title {
    font-family: var(--font-display);
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--color-text);
}

.block-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.block-list {
    margin-bottom: 24px;
}

.block-list li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.block-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 8px;
    top: 5px;
}

.block-footer {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.block-tag {
    padding: 6px 14px;
    background: rgba(201, 149, 108, 0.1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: 12px;
    color: var(--color-primary-light);
}

/* ===== Results Section ===== */
.results {
    background: var(--gradient-dark);
}

.results-wrapper {
    display: flex;
    justify-content: center;
}

.results-envelope {
    position: relative;
    width: 100%;
    max-width: 700px;
    perspective: 1000px;
}

.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(145deg, #2a2a35 0%, #1a1a25 100%);
    clip-path: polygon(0 0, 50% 100%, 100% 0);
    z-index: 1;
    border: 1px solid var(--color-border-light);
}

.envelope-body {
    position: relative;
    background: linear-gradient(145deg, #1f1f2a 0%, #15151e 100%);
    border: 1px solid var(--color-border-light);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 80px 50px 50px;
    margin-top: 50px;
}

.envelope-content h3 {
    font-family: var(--font-display);
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-primary-light);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.result-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: rgba(201, 149, 108, 0.05);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.result-item:hover {
    background: rgba(201, 149, 108, 0.1);
    border-color: var(--color-border);
}

.result-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.result-text strong {
    display: block;
    font-size: 16px;
    color: var(--color-text);
    margin-bottom: 6px;
}

.result-text p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.envelope-seal {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-red);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--color-bg);
    box-shadow: 0 10px 30px rgba(139, 32, 53, 0.4);
}

.envelope-seal span:first-child {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
}

.envelope-seal span:last-child {
    font-size: 11px;
    opacity: 0.8;
}

/* ===== Audience Section ===== */
.audience {
    background: var(--color-bg);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.audience-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.audience-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border);
    transform: translateY(-8px);
}

.audience-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    inset: 0;
    background: rgba(201, 149, 108, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.audience-icon span {
    position: relative;
    font-size: 36px;
}

.audience-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-primary-light);
}

.audience-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== Program Section ===== */
.program-section {
    background: var(--color-bg-secondary);
    padding: 100px 0;
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.7;
    max-width: 700px;
    margin: 16px auto 0;
    text-align: center;
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 20px;
}

.program-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.program-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border);
    transform: translateY(-8px);
}

.program-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.program-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--color-primary-light);
}

.program-card p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== Register Section ===== */
.register {
    background: var(--gradient-dark);
    padding: 120px 0;
}

.register-card {
    background: linear-gradient(145deg, rgba(139, 32, 53, 0.15) 0%, var(--color-bg-card) 100%);
    border: 1px solid rgba(139, 32, 53, 0.3);
    border-radius: var(--radius-xl);
    padding: 60px;
    box-shadow: var(--shadow-glow);
}

.register-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.register-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-red);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.register-info h2 {
    font-family: var(--font-display);
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 16px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.register-info > p {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.register-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text-secondary);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: rgba(201, 149, 108, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--color-primary);
}

/* Form Styles */
.register-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-text);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(201, 149, 108, 0.05);
}

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

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    margin-bottom: 40px;
    align-items: start;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 350px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

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

.footer-contact {
    text-align: right;
    max-width: 450px;
}

.footer-contact p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border-light);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-signature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-signature .heart {
    color: var(--color-red);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .visual-frame {
        width: 300px;
        height: 350px;
    }

    .about-grid,
    .blocks-grid,
    .audience-grid,
    .program-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
        gap: 16px;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 20px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 40px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }

    .register-card {
        padding: 30px;
    }

    .envelope-body {
        padding: 60px 30px 50px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    section {
        padding: 60px 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        display: none;
    }

    .visual-frame {
        width: 260px;
        height: 300px;
    }

    .block-card,
    .about-card,
    .audience-card {
        padding: 24px 20px;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ===== Selection ===== */
::selection {
    background: rgba(201, 149, 108, 0.3);
    color: var(--color-text);
}