/* ============================================
   tempo — landing page
   dark, dev-y aesthetic, jetbrains-mono accents
   ============================================ */

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

:root {
    --bg: #0a1220;
    --bg-panel: #0f1829;
    --bg-elev: #141f35;
    --text: #e8eef7;
    --text-dim: #9dafc7;
    --text-muted: #6b7f99;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --accent-1: #5eead4;
    --accent-2: #0ea5e9;
    --accent-3: #22d3ee;
    --grn: #86efac;
    --accent-gradient: linear-gradient(135deg, #5eead4, #0ea5e9);
    --radius: 18px;
    --font-display: 'Clash Display', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Satoshi', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(94, 234, 212, 0.08), transparent 60%),
        radial-gradient(ellipse 50% 40% at 100% 30%, rgba(14, 165, 233, 0.06), transparent),
        radial-gradient(ellipse 40% 30% at 0% 60%, rgba(34, 211, 238, 0.04), transparent);
    pointer-events: none;
}

a {
    color: var(--accent-1);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-3);
}

::selection {
    background: var(--accent-2);
    color: #fff;
}

code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    color: var(--accent-1);
    background: rgba(94, 234, 212, 0.08);
    padding: 0.15em 0.45em;
    border-radius: 6px;
}

.page {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem 2rem;
}

/* ============================================
   nav
   ============================================ */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
}

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

.nav-cta {
    color: #0a1220;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5em 1em;
    border-radius: 100px;
    background: var(--accent-gradient);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
    box-shadow: 0 6px 18px -8px rgba(94, 234, 212, 0.4);
}

.nav-cta:hover {
    color: #0a1220;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -10px rgba(94, 234, 212, 0.6);
}

/* ============================================
   hero
   ============================================ */
.hero {
    padding: 2rem 0 4rem;
}

.hero-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-kicker {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent-1);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    padding: 0.35em 1em;
    border-radius: 100px;
    background: rgba(94, 234, 212, 0.08);
    border: 1px solid rgba(94, 234, 212, 0.2);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5.5vw, 4.2rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-title .grad {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--text-dim);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.hero-cta-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8em 1.8em;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 100px;
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn-primary {
    color: #0a1220;
    background: var(--accent-gradient);
    box-shadow: 0 10px 28px -10px rgba(94, 234, 212, 0.5);
}

.btn-primary:hover {
    color: #0a1220;
    transform: translateY(-3px);
    box-shadow: 0 16px 38px -12px rgba(94, 234, 212, 0.7);
}

.btn-ghost {
    color: var(--text);
    background: transparent;
    border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
    color: var(--accent-1);
    border-color: var(--accent-1);
    transform: translateY(-2px);
}

/* ============================================
   demo (monospace code blocks)
   ============================================ */
.hero-demo {
    margin: 0 auto;
    max-width: 760px;
}

.demo {
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--text);
    background: linear-gradient(135deg, var(--bg-panel), var(--bg-elev));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    text-align: left;
    overflow-x: auto;
    box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.6);
    white-space: pre;
}

.demo-wide {
    max-width: 840px;
    margin: 2rem auto 0;
}

.c-dim { color: var(--text-muted); }
.c-accent { color: var(--accent-1); }
.grn { color: var(--grn); }
.bold { font-weight: 600; }

/* heatmap shades for landing demo */
.h-0 { color: rgba(94, 234, 212, 0.1); }
.h-1 { color: rgba(94, 234, 212, 0.25); }
.h-2 { color: rgba(94, 234, 212, 0.5); }
.h-3 { color: rgba(94, 234, 212, 0.75); }
.h-4 { color: rgba(94, 234, 212, 1); }

/* ============================================
   features grid
   ============================================ */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    padding: 3rem 0;
}

.feature {
    padding: 1.75rem 1.75rem 1.5rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.feature:hover {
    transform: translateY(-4px);
    border-color: rgba(94, 234, 212, 0.3);
    box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-1);
    background: rgba(94, 234, 212, 0.1);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--text-dim);
    font-size: 0.94rem;
    line-height: 1.55;
}

/* ============================================
   stats preview section
   ============================================ */
.stats-preview {
    padding: 3rem 0;
    text-align: center;
}

.stats-preview h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text);
}

/* ============================================
   install
   ============================================ */
.install {
    padding: 3rem 0 2rem;
}

.install h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    color: var(--text);
    text-align: center;
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 1rem;
}

.install-card {
    padding: 1.5rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
}

.install-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.soon {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--border);
    padding: 0.15em 0.6em;
    border-radius: 100px;
    text-transform: lowercase;
    font-weight: 500;
}

.install-card pre {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-1);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    flex: 1;
}

.install-card .note {
    margin-top: 0.85rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.install-card code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* ============================================
   footer
   ============================================ */
.footer {
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-dim);
}

.footer-links a:hover {
    color: var(--accent-1);
}

/* ============================================
   mobile
   ============================================ */
@media (max-width: 720px) {
    .page { padding: 0.85rem 1rem; }
    .nav { padding: 0.5rem 0 1rem; }
    .nav-logo span { display: none; }
    .hero { padding: 1rem 0 2.5rem; }
    .hero-kicker { font-size: 0.7rem; padding: 0.3em 0.85em; }
    .hero-sub { font-size: 0.95rem; }
    .hero-demo { font-size: 10.5px; }
    .demo { font-size: 10.5px; padding: 0.85rem 1rem; border-radius: 12px; }
    .demo-wide { font-size: 9.5px; }
    .features { padding: 1.5rem 0; grid-template-columns: 1fr; }
    .feature { padding: 1.35rem 1.35rem 1.2rem; }
    .stats-preview { padding: 2rem 0; }
    .install { padding: 2rem 0 1rem; }
    .install-grid { grid-template-columns: 1fr; }
    .footer { padding: 2rem 0 1rem; margin-top: 2rem; }
    .footer-inner { flex-direction: column; align-items: flex-start; }
}