:root {
    --bg: #0a0e1a;
    --bg-soft: #111726;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-2: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #e6e9f0;
    --text-muted: #9aa3b8;
    --text-dim: #6b7488;
    --primary: #6366f1;
    --primary-2: #8b5cf6;
    --primary-3: #ec4899;
    --accent: #22d3ee;
    --success: #10b981;
    --warning: #f59e0b;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 20px 60px -20px rgba(99, 102, 241, 0.35);
    --max: 1200px;
}

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

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Декоративный фон */
.bg-decoration {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.35;
    animation: float 20s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: var(--primary); top: -150px; left: -100px; }
.orb-2 { width: 450px; height: 450px; background: var(--primary-3); top: 30%; right: -120px; animation-delay: -7s; }
.orb-3 { width: 400px; height: 400px; background: var(--accent); bottom: -100px; left: 30%; animation-delay: -14s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.1); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    white-space: nowrap;
    font-family: inherit;
}
.btn--lg { padding: 14px 28px; font-size: 15px; }
.btn--block { width: 100%; }
.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: white;
    box-shadow: 0 8px 24px -8px rgba(99, 102, 241, 0.6);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.8);
}
.btn--ghost {
    background: var(--surface);
    border-color: var(--border-strong);
    color: var(--text);
}
.btn--ghost:hover {
    background: var(--surface-2);
    border-color: var(--primary);
    color: white;
}

/* Логотип */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.02em;
}
.logo__icon { font-size: 24px; }
.logo__accent {
    background: linear-gradient(135deg, var(--primary), var(--primary-3));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-3) 60%, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Шапка */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(10, 14, 26, 0.7);
    border-bottom: 1px solid var(--border);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.nav { display: flex; gap: 8px; }
.nav__link {
    padding: 8px 14px;
    border-radius: 10px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
}
.nav__link:hover { color: var(--text); background: var(--surface); }
.header__actions { display: flex; align-items: center; gap: 10px; }
.burger { display: none; }

/* Hero */
.hero {
    padding: 80px 0 100px;
    position: relative;
}
.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 100px;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.hero__title {
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}
.hero__subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 540px;
    margin-bottom: 36px;
}
.hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}
.hero__stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.stat__value {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.stat__suffix { color: var(--text-muted); font-size: 18px; font-weight: 600; }
.stat__label { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

/* Cloud card visual */
.cloud-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: cardFloat 6s ease-in-out infinite;
}
@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.cloud-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.cloud-card__title { font-weight: 700; font-size: 16px; }
.cloud-card__size { color: var(--text-muted); font-size: 13px; }
.cloud-card__progress {
    height: 8px;
    background: var(--surface-2);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 24px;
}
.cloud-card__bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-3));
    border-radius: 100px;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}
.cloud-card__files { display: flex; flex-direction: column; gap: 10px; }
.file-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    border-radius: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all 0.2s;
}
.file-item:hover { background: var(--surface-2); transform: translateX(4px); }
.file-item__icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.file-item__name { font-weight: 600; font-size: 14px; }
.file-item__meta { color: var(--text-dim); font-size: 12px; margin-top: 2px; }
.file-item--sync .file-item__icon { animation: spin 2s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Trust */
.trust { padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust__label { text-align: center; color: var(--text-dim); font-size: 13px; margin-bottom: 20px; letter-spacing: 0.05em; text-transform: uppercase; }
.trust__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 36px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 15px;
}
.trust__logos span { transition: color 0.2s; }
.trust__logos span:hover { color: var(--text); }

/* Sections */
.section { padding: 100px 0; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.04), transparent); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section__eyebrow {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section__title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.section__subtitle { color: var(--text-muted); font-size: 17px; }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.feature-card {
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}
.feature-card:hover {
    background: var(--surface-2);
    border-color: var(--primary);
    transform: translateY(-4px);
}
.feature-card__icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(236,72,153,0.2));
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.feature-card__title { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.feature-card__text { color: var(--text-muted); font-size: 15px; }

/* Security */
.security { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.security__list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.security__list li {
    display: flex; align-items: center; gap: 12px;
    font-size: 16px; color: var(--text);
}
.security__list span {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}
.security__visual { display: flex; justify-content: center; align-items: center; min-height: 360px; }
.shield { position: relative; width: 280px; height: 280px; display: flex; align-items: center; justify-content: center; }
.shield__ring {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed var(--border-strong);
    animation: rotate 20s linear infinite;
}
.shield__ring--1 { width: 100%; height: 100%; }
.shield__ring--2 { width: 75%; height: 75%; border-color: rgba(99,102,241,0.3); animation-duration: 14s; animation-direction: reverse; }
.shield__ring--3 { width: 50%; height: 50%; border-color: rgba(236,72,153,0.3); animation-duration: 10s; }
@keyframes rotate { to { transform: rotate(360deg); } }
.shield__core {
    font-size: 80px;
    filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.6));
    z-index: 1;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}
.plan {
    padding: 36px 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s;
}
.plan:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.plan--featured {
    background: linear-gradient(180deg, rgba(99,102,241,0.12), rgba(236,72,153,0.06));
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: scale(1.03);
}
.plan--featured:hover { transform: scale(1.03) translateY(-4px); }
.plan__badge {
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    padding: 5px 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-3));
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    color: white;
    white-space: nowrap;
}
.plan__name { font-size: 18px; font-weight: 700; color: var(--text-muted); margin-bottom: 12px; }
.plan__price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.plan__amount { font-size: 38px; font-weight: 800; letter-spacing: -0.02em; }
.plan__period { color: var(--text-dim); font-size: 15px; }
.plan__desc { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.plan__features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; flex: 1; }
.plan__features li {
    display: flex; align-items: center; gap: 10px;
    font-size: 14px; color: var(--text);
}
.plan__features li::before {
    content: "✓";
    color: var(--success);
    font-weight: 700;
}

/* CTA */
.cta { padding: 100px 0; }
.cta__inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    padding: 64px 40px;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(236,72,153,0.1));
    border: 1px solid var(--border-strong);
    border-radius: 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.cta__title { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.cta__subtitle { color: var(--text-muted); font-size: 17px; margin-bottom: 32px; }
.cta__form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; }
.cta__form input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-soft);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}
.cta__form input:focus { border-color: var(--primary); }
.cta__note { color: var(--text-dim); font-size: 13px; margin-top: 16px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 64px 0 32px; }
.footer__inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}
.footer__tagline { color: var(--text-muted); margin-top: 16px; font-size: 14px; max-width: 280px; }
.footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__title { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.footer__col a { color: var(--text-muted); font-size: 14px; transition: color 0.2s; }
.footer__col a:hover { color: var(--primary); }
.footer__bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 13px;
}

/* Адаптив */
@media (max-width: 960px) {
    .hero__inner { grid-template-columns: 1fr; gap: 40px; }
    .hero__visual { order: -1; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
    .plan--featured { transform: none; }
    .plan--featured:hover { transform: translateY(-4px); }
    .security { grid-template-columns: 1fr; gap: 40px; }
    .footer__inner { grid-template-columns: 1fr; gap: 40px; }
    .footer__cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .nav { display: none; }
    .burger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: var(--surface);
        border: 1px solid var(--border-strong);
        border-radius: 10px;
        padding: 10px;
        cursor: pointer;
    }
    .burger span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s; }
    .burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .burger.active span:nth-child(2) { opacity: 0; }
    .burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav.active {
        display: flex;
        position: absolute;
        top: 72px; left: 0; right: 0;
        flex-direction: column;
        background: rgba(10, 14, 26, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 4px;
    }
    .nav.active .nav__link { padding: 12px 14px; }
    .header__actions .btn--ghost { display: none; }
    .hero__stats { gap: 24px; flex-wrap: wrap; }
    .cta__form { flex-direction: column; }
    .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 540px) {
    .features-grid { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
    .hero { padding: 48px 0 64px; }
    .footer__cols { grid-template-columns: 1fr; }
}