@import url('../fonts/fonts.css');

/* Landing page is dark-only by design - every themeable color is a
   --variable in :root, components consume var(--x), never a hardcoded hex.
   Palette, glass-surface treatment, and radial background washes are
   carried over from the app's static/style.css "liquid glass" system. */

:root {
    --bg-body: #060a0c;
    --bg-panel: #0e1620;
    --border-color: #1a2630;
    --text-primary: #edf5f7;
    --text-secondary: #8b9aa5;
    --text-muted: #5c6e78;
    --accent: #2dd4bf;
    --accent-2: #22d3ee;
    --accent-glow: rgba(45,212,191,.22);
    --accent-light: rgba(45,212,191,.14);
    --success: #38d9a9;

    --glass-bg: rgba(12,19,26,.55);
    --glass-bg-strong: rgba(12,19,26,.78);
    --glass-border: rgba(255,255,255,.08);
    --glass-highlight: rgba(255,255,255,.06);
    --glass-shadow: 0 8px 32px rgba(0,0,0,.45), 0 1px 1px rgba(0,0,0,.25);
    --glass-blur: 22px;

    --navbar-bg: rgba(10,18,25,.7);
    --code-bg: #060a0c;
    --code-text: #edf5f7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    background-color: var(--bg-body);
    background-image:
        radial-gradient(circle at 12% 8%, rgba(45,212,191,.16), transparent 42%),
        radial-gradient(circle at 88% 0%, rgba(34,211,238,.12), transparent 38%),
        radial-gradient(circle at 50% 105%, rgba(45,212,191,.08), transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color .25s, color .25s;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
* { transition-timing-function: cubic-bezier(.4,0,.2,1); }

.wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, .brand-text {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    letter-spacing: -.5px;
    margin: 0;
}

.glass-surface {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), inset 0 1px 0 var(--glass-highlight);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--accent);
}
.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.accent-text {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-weight: 700;
    font-size: .95rem;
    letter-spacing: -.1px;
    padding: 13px 26px;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .18s, box-shadow .18s, background-color .18s, border-color .18s, color .18s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 10px 30px -8px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 14px 36px -8px var(--accent-glow); }
.btn-secondary {
    background: var(--glass-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 9px 18px; font-size: .85rem; }
.btn-block { width: 100%; }

/* ── Nav ─────────────────────────────────────────────── */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--navbar-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border-bottom: 1px solid var(--border-color);
}
.site-nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-text {
    font-weight: 900;
    font-size: 1.15rem;
    color: var(--text-primary);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: .92rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.nav-links a:hover { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.mobile-cta { display: none; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
    padding: 96px 0 72px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center;
}
.hero h1 {
    font-size: clamp(2.1rem, 4.2vw, 3.4rem);
    font-weight: 800;
    line-height: 1.12;
    margin-top: 18px;
}
.hero p.lead {
    margin-top: 20px;
    font-size: 1.12rem;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: 46ch;
}
.hero-actions {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.hero-note {
    margin-top: 22px;
    font-size: .85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-panel {
    border-radius: 24px;
    padding: 28px;
    position: relative;
}
.hero-panel-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}
.hero-panel-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.hero-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 13px 0;
    border-bottom: 1px solid var(--border-color);
}
.hero-step:last-child { border-bottom: none; padding-bottom: 0; }
.hero-step-num {
    flex: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 800;
    font-size: .78rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-step-title { font-weight: 700; font-size: .92rem; }
.hero-step-sub { font-size: .8rem; color: var(--text-muted); margin-top: 2px; }
.hero-step-check {
    margin-left: auto;
    color: var(--success);
    font-size: 1rem;
}

/* ── Sections ────────────────────────────────────────── */
section { padding: 88px 0; }
.section-head {
    max-width: 640px;
    margin: 0 auto 52px;
    text-align: center;
}
.section-head h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 800;
    margin-top: 14px;
}
.section-head p {
    margin-top: 14px;
    color: var(--text-secondary);
    font-size: 1.03rem;
    line-height: 1.6;
}
.center { text-align: center; }

/* ── Problem/solution ────────────────────────────────── */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.split-card {
    border-radius: 20px;
    padding: 32px;
}
.split-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}
.split-card ul {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}
.split-card li {
    display: flex;
    gap: 12px;
    padding: 11px 0;
    border-top: 1px solid var(--border-color);
    font-size: .95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.split-card li:first-of-type { border-top: none; }
.split-card.problem li i { color: var(--text-muted); }
.split-card.solution { border: 1px solid var(--accent-glow); }
.split-card.solution li i { color: var(--accent); }
.split-card i { flex: none; margin-top: 3px; }

/* ── Feature grid ────────────────────────────────────── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.feature-card {
    border-radius: 18px;
    padding: 28px;
    transition: transform .2s, box-shadow .2s;
}
.feature-card:hover { transform: translateY(-3px); }
.feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 18px;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
}
.feature-card p {
    margin-top: 10px;
    font-size: .92rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ── How it works ────────────────────────────────────── */
.flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    counter-reset: flow;
}
.flow-step { position: relative; padding: 30px 22px; border-radius: 18px; }
.flow-step::before {
    counter-increment: flow;
    content: counter(flow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-weight: 800;
    font-size: .95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    margin-bottom: 16px;
}
.flow-step h3 { font-size: 1rem; font-weight: 800; }
.flow-step p { margin-top: 8px; font-size: .88rem; line-height: 1.55; color: var(--text-secondary); }

/* ── Security ────────────────────────────────────────── */
.security-wrap {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 48px;
    align-items: center;
}
.security-list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 18px; }
.security-list li { display: flex; gap: 14px; }
.security-list .icon {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--accent-light);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}
.security-list strong { display: block; font-size: .96rem; }
.security-list span { display: block; margin-top: 3px; font-size: .87rem; color: var(--text-secondary); line-height: 1.5; }

.code-panel {
    border-radius: 20px;
    padding: 26px;
    background: var(--code-bg);
    color: var(--code-text);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
}
.code-panel .code-dots { display: flex; gap: 6px; margin-bottom: 18px; }
.code-panel .code-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.15); }
.code-panel pre {
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace;
    font-size: .8rem;
    line-height: 1.75;
    white-space: pre-wrap;
    word-break: break-word;
}
.code-panel .c1 { color: #5c6e78; }
.code-panel .c2 { color: #2dd4bf; }
.code-panel .c3 { color: #22d3ee; }
.code-panel .c4 { color: #edf5f7; }

/* ── CTA ─────────────────────────────────────────────── */
.cta-panel {
    border-radius: 28px;
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 20%, var(--accent-glow), transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(8,145,178,.16), transparent 45%);
    pointer-events: none;
}
.cta-panel h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 800; position: relative; }
.cta-panel p { margin-top: 14px; color: var(--text-secondary); font-size: 1.02rem; max-width: 52ch; margin-left: auto; margin-right: auto; position: relative; }
.cta-actions { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-fineprint { margin-top: 18px; font-size: .82rem; color: var(--text-muted); position: relative; }

.contact-grid {
    margin-top: 56px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.contact-card {
    border-radius: 18px;
    padding: 26px;
    text-align: center;
}
.contact-card .icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent-light);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin: 0 auto 14px;
}
.contact-card strong { display: block; font-size: .95rem; }
.contact-card span { display: block; margin-top: 6px; font-size: .87rem; color: var(--text-secondary); }
.placeholder-tag {
    display: inline-block;
    margin-top: 8px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-light);
    padding: 3px 9px;
    border-radius: 999px;
}

/* ── Footer ──────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border-color);
    padding: 48px 0 32px;
}
.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
    flex-wrap: wrap;
}
.footer-brand p {
    margin-top: 12px;
    max-width: 34ch;
    font-size: .87rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.footer-links {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
}
.footer-col h4 {
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 14px;
}
.footer-col a, .footer-col span {
    display: block;
    font-size: .88rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
    margin-top: 44px;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .8rem;
    color: var(--text-muted);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 920px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero { padding: 64px 0 48px; text-align: left; }
    .split { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .flow { grid-template-columns: repeat(2, 1fr); }
    .security-wrap { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .nav-links { display: none; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav-actions .btn { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        padding: 20px 24px 26px;
        background: var(--bg-panel);
        border-bottom: 1px solid var(--border-color);
    }
    .nav-links.open a:not(.btn) { padding: 4px 0; }
    .mobile-cta { display: inline-flex; margin-top: 4px; }
}

@media (max-width: 680px) {
    .feature-grid { grid-template-columns: 1fr; }
    .flow { grid-template-columns: 1fr; }
    section { padding: 60px 0; }
    .cta-panel { padding: 48px 24px; }
    .footer-grid { flex-direction: column; }
}