:root {
    --bg: #0f1115;
    --bg-2: #161922;
    --fg: #e8eaf0;
    --fg-dim: #a4a8b3;
    --accent: #6c8cff;
    --accent-2: #a07cff;
    --border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-bg-2: rgba(255, 255, 255, 0.06);
    --radius: 12px;
    --radius-lg: 18px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f7f8fb;
        --bg-2: #ffffff;
        --fg: #1a1d24;
        --fg-dim: #5a606e;
        --border: rgba(20, 24, 36, 0.08);
        --card-bg: #ffffff;
        --card-bg-2: #f0f2f8;
        --shadow: 0 8px 28px rgba(20, 24, 36, 0.06);
    }
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
                 system-ui, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

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

a:hover {
    text-decoration: underline;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 0%, rgba(108, 140, 255, 0.12), transparent 40%),
        radial-gradient(circle at 80% 30%, rgba(160, 124, 255, 0.10), transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 32px;
}

.brand {
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.01em;
}

.brand-mark {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    padding: 2px 8px;
    border-radius: 8px;
    margin-right: 1px;
}

.brand-dim {
    color: var(--fg-dim);
    font-weight: 500;
}

.site-nav {
    display: flex;
    gap: 28px;
    align-items: center;
}

.site-nav a {
    color: var(--fg-dim);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}

.site-nav a:hover {
    color: var(--fg);
    text-decoration: none;
}

.nav-cta {
    background: var(--fg);
    color: var(--bg) !important;
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-cta:hover {
    opacity: 0.85;
}

/* Hero */
.hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: center;
    max-width: 1100px;
    margin: 60px auto 80px;
    padding: 0 32px;
}

.hero-kicker {
    display: inline-block;
    background: var(--card-bg-2);
    color: var(--fg-dim);
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 52px;
    line-height: 1.05;
    margin: 0 0 20px;
    letter-spacing: -0.02em;
    font-weight: 700;
}

.hero .lead {
    color: var(--fg-dim);
    font-size: 17px;
    line-height: 1.6;
    max-width: 520px;
    margin: 0 0 28px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}

.btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none !important;
    transition: transform 0.1s, opacity 0.15s, background 0.15s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
}

.btn-ghost {
    background: var(--card-bg);
    color: var(--fg);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--card-bg-2);
}

.hero-meta {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 18px;
    color: var(--fg-dim);
    font-size: 13px;
}

.hero-meta li::before {
    content: "✓";
    color: var(--accent);
    margin-right: 6px;
}

/* Hero card mockup */
.hero-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-bar {
    background: var(--card-bg-2);
    padding: 12px 14px;
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--border);
}

.card-bar span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--border);
}

.card-bar span:first-child {
    background: #ff5f56;
}

.card-bar span:nth-child(2) {
    background: #ffbd2e;
}

.card-bar span:nth-child(3) {
    background: #27c93f;
}

.card-body {
    padding: 24px;
    font-family: ui-monospace, "JetBrains Mono", "Menlo", monospace;
    font-size: 14px;
    line-height: 1.7;
}

.line-title {
    font-weight: 700;
    margin: 0 0 12px;
}

.line {
    margin: 0;
    color: var(--fg);
}

.line.dim {
    color: var(--fg-dim);
    font-size: 12px;
    margin-top: 12px;
}

/* Features */
.features, .how, .pricing {
    max-width: 1100px;
    margin: 0 auto 80px;
    padding: 0 32px;
}

.features h2, .how h2, .pricing h2 {
    font-size: 32px;
    letter-spacing: -0.01em;
    margin: 0 0 32px;
    font-weight: 700;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 760px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.card-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 17px;
    margin: 0 0 8px;
    font-weight: 600;
}

.card p {
    color: var(--fg-dim);
    font-size: 14px;
    margin: 0;
    line-height: 1.55;
}

/* Steps */
.steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.steps li {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 14px;
}

.steps h3 {
    font-size: 17px;
    margin: 0 0 6px;
    font-weight: 600;
}

.steps p {
    margin: 0;
    color: var(--fg-dim);
    font-size: 14px;
}

/* Pricing */
.price-card {
    text-align: left;
}

.price-card.highlight {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(108, 140, 255, 0.06), rgba(160, 124, 255, 0.04));
}

.price-card h3 {
    font-size: 18px;
    margin: 0 0 4px;
}

.price {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 18px;
    letter-spacing: -0.01em;
}

.price-per {
    font-size: 14px;
    color: var(--fg-dim);
    font-weight: 500;
}

.price-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    color: var(--fg-dim);
}

.price-card ul li {
    padding: 6px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}

.price-card ul li:last-child {
    border: none;
}

.price-card .btn {
    display: inline-block;
    margin-top: 4px;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding: 24px 32px;
}

.footer-row {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--fg-dim);
    font-size: 13px;
}

.footer-row nav {
    display: flex;
    gap: 18px;
}

.footer-row nav a {
    color: var(--fg-dim);
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

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

    .site-nav {
        gap: 16px;
    }

    .site-nav a:not(.nav-cta) {
        display: none;
    }

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