/* ============================================================
   StockSignal Pro — Design tokens
   Palette: deep navy base, electric-cyan signal accent,
   controlled green/red for buy/target/stoploss semantics
   ============================================================ */
:root {
    --navy-950: #050a17;
    --navy-900: #0a1329;
    --navy-800: #101c3a;
    --navy-700: #182852;
    --navy-600: #24397a;
    --cyan-400: #38e1e8;
    --cyan-300: #7ff0f5;
    --ink-100: #eef2fb;
    --ink-300: #b6c2e0;
    --ink-500: #7c8ab0;
    --up-green: #2fd679;
    --down-red: #ff5c72;
    --amber: #ffb136;
    --font-display: 'Space Grotesk', 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--navy-950);
    color: var(--ink-100);
    line-height: 1.55;
}

h1, h2, h3, h4, .display {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
}

a { color: var(--cyan-400); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--navy-700);
}
.navbar .logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    color: var(--ink-100);
    display: flex;
    align-items: center;
    gap: 8px;
}
.navbar .logo .tick {
    color: var(--cyan-400);
    font-family: var(--font-mono);
}
.navbar nav a {
    color: var(--ink-300);
    margin-left: 28px;
    font-weight: 500;
    font-size: 15px;
}
.navbar nav a:hover { color: var(--ink-100); text-decoration: none; }
.navbar .cta-group { display: flex; align-items: center; gap: 12px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: 1px solid transparent;
    font-family: var(--font-body);
}
.btn-primary { background: var(--cyan-400); color: var(--navy-950); }
.btn-primary:hover { background: var(--cyan-300); text-decoration: none; }
.btn-outline { background: transparent; color: var(--ink-100); border-color: var(--navy-600); }
.btn-outline:hover { border-color: var(--cyan-400); text-decoration: none; }
.btn-block { width: 100%; text-align: center; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-danger { background: var(--down-red); color: #fff; }

/* ---------- Hero ---------- */
.hero {
    padding: 90px 0 70px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--navy-700);
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -150px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(56,225,232,0.14) 0%, transparent 70%);
    pointer-events: none;
}
.hero .eyebrow {
    font-family: var(--font-mono);
    color: var(--cyan-400);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.hero h1 { font-size: 52px; max-width: 780px; line-height: 1.08; }
.hero p.lead { color: var(--ink-300); font-size: 18px; max-width: 560px; margin-bottom: 32px; }
.hero .hero-actions { display: flex; gap: 14px; margin-bottom: 56px; }

/* Signal ticker strip — the signature element */
.ticker-strip {
    display: flex;
    gap: 0;
    border: 1px solid var(--navy-700);
    border-radius: 10px;
    overflow: hidden;
    background: var(--navy-900);
}
.ticker-cell {
    flex: 1;
    padding: 18px 20px;
    border-right: 1px solid var(--navy-700);
}
.ticker-cell:last-child { border-right: none; }
.ticker-cell .sym { font-family: var(--font-mono); color: var(--ink-300); font-size: 12px; letter-spacing: 0.05em; }
.ticker-cell .price { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin: 4px 0; }
.ticker-cell .chg { font-family: var(--font-mono); font-size: 13px; }
.chg.up { color: var(--up-green); }
.chg.down { color: var(--down-red); }

/* ---------- Sections ---------- */
.section { padding: 80px 0; border-bottom: 1px solid var(--navy-800); }
.section-head { max-width: 620px; margin-bottom: 48px; }
.section-head .eyebrow { font-family: var(--font-mono); color: var(--cyan-400); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.section-head h2 { font-size: 34px; }
.section-head p { color: var(--ink-300); font-size: 16px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
    background: var(--navy-900);
    border: 1px solid var(--navy-700);
    border-radius: 10px;
    padding: 28px;
}
.card .num { font-family: var(--font-mono); color: var(--cyan-400); font-size: 13px; margin-bottom: 14px; }
.card h3 { font-size: 19px; }
.card p { color: var(--ink-300); font-size: 15px; margin: 0; }

/* Plan pricing cards */
.plan-card {
    background: var(--navy-900);
    border: 1px solid var(--navy-700);
    border-radius: 12px;
    padding: 32px;
    position: relative;
}
.plan-card.featured { border-color: var(--cyan-400); box-shadow: 0 0 0 1px var(--cyan-400); }
.plan-card .plan-tag {
    position: absolute; top: -12px; right: 24px;
    background: var(--cyan-400); color: var(--navy-950);
    font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 20px;
    font-family: var(--font-mono);
}
.plan-card .price { font-family: var(--font-display); font-size: 40px; margin: 12px 0; }
.plan-card .price span { font-size: 15px; color: var(--ink-500); font-family: var(--font-body); font-weight: 400; }
.plan-card ul { list-style: none; padding: 0; margin: 24px 0; color: var(--ink-300); font-size: 15px; }
.plan-card ul li { padding: 8px 0; border-top: 1px solid var(--navy-800); }
.plan-card ul li:first-child { border-top: none; }
.plan-card ul li::before { content: '\2713  '; color: var(--cyan-400); }

/* ---------- Footer ---------- */
footer { padding: 40px 0; color: var(--ink-500); font-size: 14px; }
footer .foot-inner { display: flex; justify-content: space-between; align-items: center; }

/* ---------- Forms (auth pages) ---------- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.auth-card {
    width: 100%; max-width: 420px;
    background: var(--navy-900);
    border: 1px solid var(--navy-700);
    border-radius: 12px;
    padding: 40px;
}
.auth-card h2 { font-size: 24px; margin-bottom: 6px; }
.auth-card .sub { color: var(--ink-500); font-size: 14px; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; color: var(--ink-300); margin-bottom: 6px; }
.form-group input, .form-group select {
    width: 100%;
    background: var(--navy-800);
    border: 1px solid var(--navy-600);
    border-radius: 6px;
    padding: 11px 14px;
    color: var(--ink-100);
    font-size: 15px;
    font-family: var(--font-body);
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--cyan-400);
}
.alert { padding: 12px 16px; border-radius: 6px; font-size: 14px; margin-bottom: 18px; }
.alert-error { background: rgba(255,92,114,0.12); color: var(--down-red); border: 1px solid rgba(255,92,114,0.3); }
.alert-success { background: rgba(47,214,121,0.12); color: var(--up-green); border: 1px solid rgba(47,214,121,0.3); }

/* ---------- App shell (customer dashboard) ---------- */
.app-shell { display: flex; min-height: 100vh; }
.app-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 28px; border-bottom: 1px solid var(--navy-700);
    background: var(--navy-900);
}
.app-body { padding: 32px 0; }
.tabs { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.tab-btn {
    padding: 9px 18px; border-radius: 20px; font-size: 14px; font-weight: 600;
    border: 1px solid var(--navy-700); color: var(--ink-300); background: transparent; cursor: pointer;
    font-family: var(--font-body);
}
.tab-btn.active { background: var(--cyan-400); color: var(--navy-950); border-color: var(--cyan-400); }

.signal-table { width: 100%; border-collapse: collapse; }
.signal-table th {
    text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--ink-500); padding: 12px 16px; border-bottom: 1px solid var(--navy-700); font-family: var(--font-mono); font-weight: 500;
}
.signal-table td { padding: 16px; border-bottom: 1px solid var(--navy-800); font-size: 15px; }
.signal-table tr:hover { background: var(--navy-900); }
.symbol-cell { font-family: var(--font-display); font-weight: 700; }
.symbol-cell .seg-tag { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); display: block; font-weight: 400; margin-top: 2px; }
.price-val { font-family: var(--font-mono); }
.sl-val { color: var(--down-red); font-family: var(--font-mono); }
.target-val { color: var(--up-green); font-family: var(--font-mono); }

.badge { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; font-family: var(--font-mono); }
.badge-active { background: rgba(56,225,232,0.15); color: var(--cyan-400); }
.badge-target { background: rgba(47,214,121,0.15); color: var(--up-green); }
.badge-sl { background: rgba(255,92,114,0.15); color: var(--down-red); }
.badge-expired { background: rgba(124,138,176,0.15); color: var(--ink-500); }

.locked-row { opacity: 0.45; position: relative; }
.upsell-banner {
    background: linear-gradient(90deg, var(--navy-800), var(--navy-700));
    border: 1px solid var(--cyan-400);
    border-radius: 10px; padding: 18px 24px;
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px;
}

@media (max-width: 860px) {
    .hero h1 { font-size: 36px; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .ticker-strip { flex-direction: column; }
    .ticker-cell { border-right: none; border-bottom: 1px solid var(--navy-700); }
    .navbar nav { display: none; }
    .signal-table { display: block; overflow-x: auto; white-space: nowrap; }
}