:root {
    --bg: #09090b;
    --surface: #111113;
    --surface-2: #18181b;
    --border: #27272a;
    --border-light: #3f3f46;
    --text: #a1a1aa;
    --text-dim: #52525b;
    --white: #fafafa;
    --accent: #2563eb;
    --accent-light: #3b82f6;
    --green: #22c55e;
    --amber: #f59e0b;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', 'SF Mono', monospace;
    --radius: 12px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.6;
}

a { color: inherit; }

nav {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: calc(100% - 32px);
    max-width: 680px;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: rgba(17, 17, 19, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 100px;
}

.logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.3px;
}

.logo span { color: var(--accent-light); }

.nav-links { display: flex; gap: 20px; align-items: center; }

.nav-link {
    font-size: 13px;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s;
}

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

.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 100svh;
    padding: 100px 20px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.15;
    mask-image: radial-gradient(ellipse 50% 60% at 50% 40%, black 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 50% 60% at 50% 40%, black 20%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 560px;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 12px;
    color: var(--text);
    margin-bottom: 32px;
}

.hero-pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(34px, 7vw, 52px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-rotate {
    display: block;
    color: var(--accent-light);
    transition: opacity 0.3s ease, transform 0.35s ease;
    min-height: 1.2em;
}

.hero-sub {
    font-size: 17px;
    color: var(--text);
    line-height: 1.65;
    margin-bottom: 32px;
}

.hero-actions { display: flex; flex-direction: column; align-items: center; gap: 20px; }

.btn-primary {
    display: inline-block;
    padding: 14px 44px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    transition: background 0.2s, transform 0.15s;
    letter-spacing: -0.2px;
    border: none;
    cursor: pointer;
}

.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.hero-trust {
    font-size: 13px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-trust span { color: var(--text-dim); }
.hero-trust .sep { opacity: 0.3; }

.section {
    border-top: 1px solid var(--border);
    padding: 72px 20px;
}

.section-inner {
    max-width: 720px;
    margin: 0 auto;
}

.section-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--text-dim);
    margin-bottom: 40px;
    font-weight: 500;
    line-height: 1;
}

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

.step {
    flex: 1;
    position: relative;
}

.step-num {
    font-family: var(--mono);
    font-size: 32px;
    font-weight: 700;
    color: var(--surface-2);
    line-height: 1;
    margin-bottom: 14px;
    letter-spacing: -1px;
}

.step h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 6px;
}

.step p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.55;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.feat {
    padding: 24px;
    background: var(--surface);
    position: relative;
}

.feat h3, .feat h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}

.feat p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.5;
}

.terminal {
    max-width: 480px;
    margin: 0 auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}

.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-title {
    flex: 1;
    text-align: center;
    font-size: 11px;
    color: var(--text-dim);
    margin-right: 30px;
}

.terminal-body {
    padding: 16px 18px;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.9;
}

.t-dim { color: var(--text-dim); }
.t-label { color: var(--text-dim); display: inline-block; width: 65px; }
.t-val { color: var(--white); }
.t-ok { color: var(--green); }

.faq-section { max-width: 600px; margin: 0 auto; }

details { border-bottom: 1px solid var(--border); }
details:last-of-type { border-bottom: none; }

summary {
    padding: 18px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--white);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
}

summary::-webkit-details-marker { display: none; }

summary::after {
    content: '+';
    font-size: 18px;
    color: var(--text-dim);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 16px;
}

details[open] summary::after { transform: rotate(45deg); }
summary:hover { color: var(--accent-light); }

details p {
    padding: 0 0 18px;
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.65;
}

.cta-section {
    text-align: center;
    padding: 80px 20px;
    border-top: 1px solid var(--border);
}

.cta-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.cta-section p {
    color: var(--text-dim);
    font-size: 15px;
    margin-bottom: 28px;
}

footer {
    border-top: 1px solid var(--border);
    padding: 20px;
}

.footer-inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-dim);
}

@media (max-width: 640px) {
    nav { width: calc(100% - 24px); top: 8px; }
    .nav-inner { padding: 8px 16px; }
    .hero { padding: 90px 20px 50px; min-height: 100svh; }
    .hero h1 { font-size: 32px; letter-spacing: -1px; }
    .hero-sub { font-size: 15px; }
    .hero-trust { flex-wrap: wrap; justify-content: center; gap: 4px 6px; }
    .steps { flex-direction: column; gap: 28px; }
    .features-grid { grid-template-columns: 1fr; }
    .section { padding: 52px 20px; }
    .cta-section h2 { font-size: 24px; }
}