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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    padding-top: 52px; /* высота top-line */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

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

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    padding: 16px 0;
}

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

.logo {
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: baseline;
}

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

.logo-domain {
    color: var(--text-dark);
    font-size: 22px;
}

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

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 80px 0 80px;
    background: linear-gradient(135deg, #f9fafb 0%, #e0e7ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 12px;
    background: rgba(99, 102, 241, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: 42px;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 40px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

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

.feature-title {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* Video Section */
.video-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.video-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.1) 10px,
        rgba(255, 255, 255, 0.1) 20px
    );
}

.video-placeholder:hover {
    background: linear-gradient(135deg, #d1d5db 0%, #c0c4ca 100%);
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(99, 102, 241, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    transition: var(--transition);
    z-index: 2;
}

.video-placeholder:hover .play-icon {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--primary-color);
}

.video-placeholder-text {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    font-size: 16px;
    font-weight: 500;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 20px;
    border-radius: 20px;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-light);
}

.steps {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    padding: 32px;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.step-description {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 32px;
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
}

.pricing-title {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-currency {
    font-size: 20px;
    color: var(--text-light);
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
}

.price-period {
    font-size: 16px;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-dark);
    position: relative;
    padding-left: 28px;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

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

.contact-text h4 {
    font-size: 18px;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.contact-text p,
.contact-text a {
    color: var(--text-light);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
}

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

.contact-form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: white;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .play-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .video-placeholder-text {
        font-size: 14px;
        bottom: 20px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hero-stats {
        gap: 40px;
    }

    .stat-number {
        font-size: 36px;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

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

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

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

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 28px;
    }

    .features,
    .video-section,
    .how-it-works,
    .pricing,
    .contact {
        padding: 60px 0;
    }

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

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

.hero-content,
.hero-stats {
    animation: fadeInUp 0.8s ease-out;
}

/* ═══════════════════════════════════════════════════════
   x1010 Top Line — интеграция с платформой
   ═══════════════════════════════════════════════════════ */

.x1010-top-line {
    background: #0f172a;
    border-bottom: 1px solid #1e293b;
}

.x1010-top-line .top-line__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 38px;
    gap: 12px;
}

.x1010-top-line .top-line__left,
.x1010-top-line .top-line__right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.x1010-top-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.x1010-top-logo .logo-text { color: #f1f5f9; }
.x1010-top-logo .logo-domain { color: #38bdf8; }

/* Переопределяем стили top-line кнопок для тёмного фона */
.x1010-top-line .top-line__btn {
    background: transparent;
    border: 1px solid #334155;
    color: #cbd5e1;
    padding: 4px 12px;
    height: 26px;
    font-size: 13px;
    border-radius: 5px;
    cursor: pointer;
    transition: all .15s;
    white-space: nowrap;
}

.x1010-top-line .top-line__btn:hover {
    background: #1e293b;
    border-color: #475569;
    color: #f1f5f9;
}

.x1010-top-line .top-line__btn--create {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.x1010-top-line .top-line__btn--create:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

.x1010-top-line .top-line-dropdown__btn {
    background: transparent;
    border: 1px solid #334155;
    color: #cbd5e1;
    padding: 4px 10px;
    height: 26px;
    font-size: 13px;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all .15s;
    white-space: nowrap;
}

.x1010-top-line .top-line-dropdown__btn:hover {
    background: #1e293b;
    border-color: #475569;
    color: #f1f5f9;
}

.x1010-top-line .top-line-dropdown__menu {
    top: 30px;
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
}

.x1010-top-line .top-line-dropdown__item {
    color: #cbd5e1;
}

.x1010-top-line .top-line-dropdown__item:hover {
    background: #0f172a;
    color: #f1f5f9;
}

.x1010-top-line .top-line-dropdown__item--action {
    color: #60a5fa;
}

.x1010-top-line .top-line-dropdown__divider {
    background: #334155;
}