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

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg: #ffffff;
    --surface: #f8fafc;
    --surface-2: #f1f5f9;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* Навигация */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.logo-subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    line-height: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

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

.nav-cta {
    margin-left: 8px;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

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

.btn-secondary:hover {
    background: var(--surface-2);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text);
    background: var(--surface);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* Hero секция */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
    text-align: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(79, 70, 229, 0.15), transparent),
        radial-gradient(ellipse 60% 50% at 20% 50%, rgba(168, 85, 247, 0.08), transparent),
        radial-gradient(ellipse 60% 50% at 80% 50%, rgba(236, 72, 153, 0.08), transparent);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(36px, 6vw, 68px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: var(--text);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

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

/* Секции */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text);
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features */
.features {
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: inline-block;
    transition: transform 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.feature-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.formats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

@media (max-width: 768px) {
    .formats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .formats-grid {
        grid-template-columns: 1fr;
    }
}

.format-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.format-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.format-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.format-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: inline-block;
}

.format-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text);
}

.format-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.format-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

/* About */
.about {
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.about-card {
    background: var(--surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(20px);
}

.about-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.about-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: inline-block;
    transition: transform 0.3s;
}

.about-card:hover .about-icon {
    transform: scale(1.1);
}

.about-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.about-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA */
.cta {
    padding: 60px 0 100px;
}

.cta-card {
    background: var(--primary-gradient);
    padding: 80px 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1), transparent 50%);
}

.cta-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    position: relative;
}

.cta-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 560px;
    margin: 0 auto 32px;
    position: relative;
}

.cta-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

.cta .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.cta .btn-primary:hover {
    background: var(--surface);
    transform: translateY(-2px);
}

.cta .btn-ghost {
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}

.cta .btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* Footer */
.footer {
    background: var(--surface);
    padding: 60px 0 24px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 12px;
    max-width: 300px;
}

.footer-right {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }

    .nav-links .nav-link:not(.nav-cta) {
        display: none;
    }

    .hero {
        padding: 120px 0 60px;
    }

    section {
        padding: 60px 0;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-divider {
        display: none;
    }

    .stat {
        min-width: 100px;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 15px;
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 16px;
    }

    .feature-card, .format-card, .about-card {
        padding: 24px;
    }
}