@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
::selection { background: #84cc16; color: #000; }

:root {
    --bg: #0a0a0a;
    --bg-2: #111113;
    --fg: #ededed;
    --fg-2: #a1a1aa;
    --fg-3: #71717a;
    --fg-4: #52525b;
    --line: #1c1c1f;
    --line-2: #27272a;
    --line-3: #3f3f46;
    --accent: #84cc16;
    --accent-soft: rgba(132, 204, 22, 0.10);
}

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--fg);
    min-height: 100vh;
    line-height: 1.55;
    font-weight: 400;
    font-feature-settings: 'cv11', 'ss01';
    background-image: radial-gradient(circle, rgba(132, 204, 22, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    background-attachment: fixed;
}

a { color: inherit; }

/* ============ Topbar ============ */
.topbar {
    max-width: 960px; margin: 0 auto;
    padding: 24px 28px;
    display: flex; justify-content: space-between; align-items: center;
}
.brand {
    display: inline-flex; align-items: center; gap: 10px;
    color: var(--fg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}
.brand::before {
    content: '';
    width: 10px; height: 10px;
    background: var(--accent);
    border-radius: 1px;
    display: inline-block;
}
.brand .sup { font-size: 0.65em; vertical-align: super; font-family: 'JetBrains Mono', monospace; font-weight: 400; }

.topbar nav {
    display: flex; gap: 28px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}
.topbar nav a {
    color: var(--fg-3); text-decoration: none;
    transition: color .15s ease;
}
.topbar nav a:hover { color: var(--fg); }
.topbar nav a.current { color: var(--fg); }

/* ============ Layout ============ */
main {
    max-width: 720px; margin: 0 auto;
    padding: 80px 28px 64px;
}

section { margin-bottom: 96px; animation: fadeUp .5s ease-out both; }
section:nth-of-type(1) { animation-delay: 0s; }
section:nth-of-type(2) { animation-delay: .05s; }
section:nth-of-type(3) { animation-delay: .1s; }
section:nth-of-type(4) { animation-delay: .15s; }

.eyebrow {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.7rem;
    color: var(--fg-4);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 24px;
    display: flex; align-items: center; gap: 16px;
}
.eyebrow::after {
    content: '';
    flex: 1; height: 1px;
    background: var(--line);
}

/* ============ Hero ============ */
.hero { text-align: left; margin-bottom: 96px; }
.hero .marker {
    display: inline-block;
    width: 14px; height: 14px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 40px;
}
.hero h1 {
    font-size: clamp(3rem, 11vw, 6rem);
    font-weight: 600; line-height: 0.95;
    letter-spacing: -0.045em;
    color: var(--fg);
    margin-bottom: 28px;
}
.hero h1 .sup {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.45em;
    vertical-align: super;
    font-weight: 400;
    color: var(--accent);
    margin-left: 4px;
}
.hero .tagline {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.82rem;
    color: var(--fg-3);
    letter-spacing: 0.06em;
}
.hero .tagline .dot { color: var(--fg-4); margin: 0 10px; }

/* ============ Tariffs ============ */
.tariffs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.tariff {
    position: relative;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 26px 22px;
    display: flex; flex-direction: column;
    transition: border-color .15s ease, transform .15s ease;
}
.tariff:hover { border-color: var(--line-3); }
.tariff.featured { border-color: var(--fg-4); }
.tariff.featured:hover { border-color: var(--fg-2); }

.tariff .period {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.7rem;
    color: var(--fg-3);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.tariff .price {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 2rem; font-weight: 500;
    color: var(--fg);
    line-height: 1;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}
.tariff .price .cur { font-size: 0.6em; color: var(--fg-3); margin-left: 2px; }
.tariff .note {
    font-size: 0.84rem;
    color: var(--fg-3);
    margin: 18px 0 24px;
    flex: 1;
    line-height: 1.55;
}
.tariff .note .recur {
    display: inline-block;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.68rem;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: space-between;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: 1px solid var(--line-2);
    border-radius: 7px;
    color: var(--fg);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem; font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all .15s ease;
}
.btn:hover { border-color: var(--fg-3); background: var(--bg-2); }
.btn .arrow { color: var(--fg-3); transition: transform .15s ease, color .15s ease; }
.btn:hover .arrow { color: var(--fg); transform: translateX(3px); }

.btn-primary {
    background: var(--fg); color: var(--bg);
    border-color: var(--fg);
}
.btn-primary:hover { background: #fff; border-color: #fff; }
.btn-primary .arrow { color: var(--bg); }
.btn-primary:hover .arrow { color: var(--bg); }

/* ============ Payments ============ */
.payments {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.78rem;
    color: var(--fg-2);
    letter-spacing: 0.04em;
}
.payments .sep { color: var(--fg-4); margin: 0 14px; }

/* ============ FAQ ============ */
.faq { border-top: 1px solid var(--line); }
.faq details {
    border-bottom: 1px solid var(--line);
    padding: 22px 0;
}
.faq summary {
    cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.95rem; color: var(--fg);
    font-weight: 500;
    gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+';
    font-family: 'JetBrains Mono', monospace;
    color: var(--fg-3);
    font-size: 1.2rem; font-weight: 400;
    flex-shrink: 0;
    transition: transform .2s ease;
}
.faq details[open] summary::after { content: '−'; }
.faq details p {
    margin-top: 14px;
    font-size: 0.88rem;
    color: var(--fg-2);
    line-height: 1.7;
}
.faq details p a {
    color: var(--accent); text-decoration: none;
    border-bottom: 1px solid rgba(132, 204, 22, 0.4);
    transition: border-color .15s ease;
}
.faq details p a:hover { border-bottom-color: var(--accent); }

/* ============ Doc pages ============ */
.doc h1 {
    font-size: clamp(2rem, 5vw, 2.6rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--fg);
    margin-bottom: 12px;
    line-height: 1.1;
}
.doc .meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--fg-4);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 56px;
}
.doc h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--fg);
    margin: 40px 0 14px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
    letter-spacing: -0.01em;
}
.doc h2:first-of-type {
    padding-top: 0;
    border-top: 0;
    margin-top: 0;
}
.doc p, .doc li {
    font-size: 0.94rem;
    color: var(--fg-2);
    line-height: 1.75;
    margin-bottom: 12px;
}
.doc strong { color: var(--fg); font-weight: 600; }
.doc ul, .doc ol { padding-left: 24px; margin-bottom: 16px; }
.doc li { margin-bottom: 6px; }
.doc a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(132, 204, 22, 0.35);
    transition: border-color .15s ease;
}
.doc a:hover { border-bottom-color: var(--accent); }

/* ============ Support ============ */
.contact-list { display: flex; flex-direction: column; gap: 10px; }
.contact {
    display: flex; align-items: center; justify-content: space-between;
    padding: 22px 24px;
    border: 1px solid var(--line);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: border-color .15s ease;
    gap: 20px;
}
.contact:hover { border-color: var(--line-3); }
.contact-text {}
.contact .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--fg-4);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.contact .value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.05rem;
    color: var(--fg);
    font-weight: 500;
    letter-spacing: -0.01em;
}
.contact .arrow {
    color: var(--fg-4);
    transition: all .15s ease;
    flex-shrink: 0;
}
.contact:hover .arrow { color: var(--fg); transform: translateX(3px); }

.hint {
    margin-bottom: 40px;
    padding: 18px 22px;
    border: 1px solid var(--line-3);
    border-left: 2px solid var(--accent);
    border-radius: 6px;
    background: var(--bg-2);
    font-size: 0.88rem;
    color: var(--fg-2);
    line-height: 1.7;
}
.hint strong { color: var(--fg); }

/* ============ Footer ============ */
footer {
    max-width: 960px; margin: 0 auto;
    padding: 32px 28px 48px;
    border-top: 1px solid var(--line);
    display: flex; justify-content: space-between; align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--fg-4);
    letter-spacing: 0.05em;
}
footer nav { display: flex; gap: 24px; }
footer nav a {
    color: var(--fg-3); text-decoration: none;
    transition: color .15s ease;
}
footer nav a:hover { color: var(--fg); }
footer .copy { color: var(--fg-4); letter-spacing: 0.08em; }

/* ============ Animation ============ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============ Responsive ============ */
@media (max-width: 720px) {
    main { padding: 56px 20px 40px; }
    .topbar { padding: 20px; }
    .topbar nav { gap: 18px; font-size: 0.7rem; }
    .tariffs { grid-template-columns: 1fr; }
    .hero { margin-bottom: 64px; }
    section { margin-bottom: 64px; }
    footer {
        flex-direction: column; gap: 16px;
        align-items: flex-start;
        padding: 24px 20px 40px;
    }
    .payments .sep { display: block; margin: 6px 0; opacity: 0; height: 4px; }
}