/* Investment Models — brand stylesheet, same design system as nutrisize.health
   Palette: clinical blue (trust/data) + traffic-light greens (gains/available) */

:root {
    --green-900: #0b3d2e;
    --green-800: #0f5b40;
    --green-700: #14684c;
    --green-600: #178a5e;
    --green-500: #1fa971;
    --green-100: #e3f5ec;
    --blue-700: #0b4f8a;
    --blue-600: #1268b3;
    --blue-100: #e5f0fa;
    --amber-500: #d97706;
    --red-500: #dc2626;
    --ink: #12211b;
    --ink-soft: #40544a;
    --ink-faint: #6b7f74;
    --paper: #ffffff;
    --paper-tint: #f4faf7;
    --line: #dcebe3;
    --radius: 14px;
    --shadow: 0 4px 24px rgba(11, 61, 46, 0.08);
    --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Navigation ---------- */
nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.nav-inner {
    max-width: var(--maxw); margin: 0 auto; padding: 12px 24px;
    display: flex; align-items: center; gap: 28px;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 17px; color: var(--green-900);
    letter-spacing: -0.02em;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo .mark {
    width: 34px; height: 34px; border-radius: 8px;
    background: linear-gradient(135deg, var(--green-600), var(--blue-600));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 800; font-size: 16px;
}
.nav-links {
    display: flex; gap: 22px; list-style: none; margin-left: auto; align-items: center;
}
.nav-links a { color: var(--ink-soft); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--green-700); text-decoration: none; }
.nav-cta {
    background: var(--green-600); color: #fff !important;
    padding: 8px 16px; border-radius: 999px; font-weight: 600;
}
.nav-cta:hover { background: var(--green-700); }
.mobile-menu-btn {
    display: none; margin-left: auto; background: none; border: none;
    font-size: 24px; color: var(--green-900); cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
    background:
        radial-gradient(1000px 500px at 85% -10%, var(--blue-100) 0%, transparent 60%),
        radial-gradient(900px 500px at 10% 110%, var(--green-100) 0%, transparent 60%),
        var(--paper-tint);
    padding: 88px 0 72px;
    text-align: center;
}
.hero h1 {
    font-size: clamp(34px, 5.5vw, 56px);
    font-weight: 900; letter-spacing: -0.03em; line-height: 1.12;
    color: var(--green-900);
}
.hero h1 .accent { color: var(--green-600); }
.hero .tagline {
    margin-top: 14px; font-size: clamp(17px, 2.4vw, 22px);
    font-weight: 600; color: var(--blue-700);
}
.hero .lede {
    margin: 22px auto 0; max-width: 760px;
    font-size: 17px; color: var(--ink-soft);
}

/* Stats band */
.stats {
    display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
    margin-top: 44px;
}
.stat {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 16px 22px; min-width: 150px;
}
.stat .num { font-size: 26px; font-weight: 800; color: var(--green-700); letter-spacing: -0.02em; }
.stat .label { font-size: 13px; color: var(--ink-faint); font-weight: 500; }

/* ---------- Sections ---------- */
section { padding: 56px 0 72px; }
section.tint { background: var(--paper-tint); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-head .kicker {
    display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--green-600);
    background: var(--green-100); border-radius: 999px; padding: 4px 14px; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -0.02em; color: var(--green-900); }
.section-head p { margin-top: 12px; color: var(--ink-soft); }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 26px;
}
.card .icon {
    width: 46px; height: 46px; border-radius: 12px; display: flex;
    align-items: center; justify-content: center; font-size: 22px;
    background: var(--green-100); margin-bottom: 16px;
}
.card .icon.blue { background: var(--blue-100); }
.card h3 { font-size: 18px; font-weight: 700; color: var(--green-900); margin-bottom: 8px; }
.card p { font-size: 15px; color: var(--ink-soft); }

/* ---------- Directory (search + table) ---------- */
.directory-controls {
    display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
}
.directory-controls input, .directory-controls select {
    background: #fff; border: 1px solid var(--line); color: var(--ink);
    padding: 11px 16px; border-radius: 10px; font-size: 15px; font-family: inherit;
}
.directory-controls input { flex: 1; min-width: 220px; }
.directory-controls input:focus, .directory-controls select:focus {
    outline: none; border-color: var(--green-500);
}
.table-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
th {
    color: var(--ink-faint); font-weight: 700; text-transform: uppercase;
    font-size: 12px; letter-spacing: 0.04em; background: var(--paper-tint);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--paper-tint); }
.ticker { font-weight: 700; color: var(--green-800); font-family: ui-monospace, 'SF Mono', monospace; }
.company-name { color: var(--ink); }
.teaser-line { display: block; margin-top: 3px; font-size: 12.5px; color: var(--green-700); font-weight: 600; }
.badge {
    display: inline-block; padding: 3px 12px; border-radius: 999px;
    font-size: 12.5px; font-weight: 700; white-space: nowrap;
}
.badge.available { background: var(--green-100); color: var(--green-700); }
.badge.coming_soon { background: var(--paper-tint); color: var(--ink-faint); border: 1px solid var(--line); }
.empty-state {
    text-align: center; color: var(--ink-faint); padding: 60px 20px;
    border: 1px dashed var(--line); border-radius: var(--radius); background: var(--paper-tint);
}
.empty-state p { margin: 4px 0; }
.table-note { color: var(--ink-faint); margin-top: 12px; font-size: 13.5px; text-align: center; }

/* Buttons */
.btn {
    display: inline-block; background: var(--green-600); color: #fff;
    border-radius: 10px; padding: 12px 24px; font-weight: 700;
}
.btn:hover { background: var(--green-700); text-decoration: none; }
.btn.outline { background: transparent; border: 2px solid var(--green-600); color: var(--green-700); }

/* Notice banner */
.notice {
    background: var(--blue-100); border: 1px solid #cbe1f5; border-radius: var(--radius);
    padding: 18px 22px; margin: 20px 0; color: var(--blue-700); font-size: 15px;
}

/* Ticker switcher (jump to another covered ticker's same page type) */
.ticker-switcher {
    display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 20px;
}
.ticker-pill {
    display: inline-block; padding: 6px 16px; border-radius: 999px; font-weight: 700;
    font-size: 13px; font-family: ui-monospace, 'SF Mono', monospace;
    background: #fff; border: 1px solid var(--line); color: var(--green-800);
}
.ticker-pill:hover { border-color: var(--green-500); text-decoration: none; }
.ticker-pill.active { background: var(--green-600); color: #fff; border-color: var(--green-600); }

/* ---------- Explorer (interactive backward model inquiry) ---------- */
.explorer-controls {
    display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 18px 22px; margin-bottom: 24px;
}
.explorer-controls label { font-size: 13px; font-weight: 700; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.03em; }
.explorer-controls input[type="range"] { flex: 1; min-width: 200px; accent-color: var(--green-600); }
.date-readout { font-weight: 800; color: var(--green-800); min-width: 100px; }
.price-readout { color: var(--ink-soft); font-size: 14px; }

.explorer-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 22px; align-items: start; }
@media (max-width: 900px) { .explorer-grid { grid-template-columns: 1fr; } }

.overall-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 24px; margin-bottom: 18px;
}
.overall-card .direction { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; }
.direction.bullish { color: var(--green-700); }
.direction.bearish { color: var(--red-500); }
.direction.neutral { color: var(--ink-faint); }
.overall-card .score-bar-track {
    height: 10px; border-radius: 999px; background: var(--paper-tint); margin: 10px 0 6px;
    overflow: hidden; position: relative;
}
.overall-card .score-bar-fill {
    height: 100%; border-radius: 999px; position: absolute; top: 0;
    background: linear-gradient(90deg, var(--red-500), var(--paper-tint) 50%, var(--green-600));
}
.overall-card .score-marker {
    position: absolute; top: -3px; width: 4px; height: 16px; background: var(--ink);
    border-radius: 2px; transform: translateX(-2px);
}

.factor-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px;
}
.factor-card .factor-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.factor-card .factor-name { font-weight: 700; color: var(--green-900); font-size: 15px; }
.factor-card .factor-weight { font-size: 12px; color: var(--ink-faint); }
.factor-card .factor-score { font-weight: 800; font-size: 15px; }
.factor-card .factor-reason { font-size: 14px; color: var(--ink-soft); margin-bottom: 12px; }
.factor-card .slider-row { display: flex; align-items: center; gap: 10px; }
.factor-card .slider-row input[type="range"] { flex: 1; accent-color: var(--blue-600); }
.factor-card .slider-value { font-size: 13px; color: var(--blue-700); font-weight: 600; min-width: 60px; text-align: right; }
.factor-card .reset-link { font-size: 12px; margin-left: 8px; }
.factor-card.perturbed { border-color: var(--blue-600); box-shadow: 0 0 0 3px var(--blue-100); }

.outcome-card {
    background: var(--paper-tint); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 22px; position: sticky; top: 90px;
}
.outcome-card h3 { color: var(--green-900); font-size: 16px; margin-bottom: 10px; }
.outcome-card .actual-return { font-size: 28px; font-weight: 800; }
.outcome-card .actual-return.up { color: var(--green-700); }
.outcome-card .actual-return.down { color: var(--red-500); }
.outcome-card .verdict { margin-top: 10px; font-size: 14px; font-weight: 600; }
.outcome-card .verdict.correct { color: var(--green-700); }
.outcome-card .verdict.wrong { color: var(--red-500); }

.simulation-badge {
    display: inline-block; background: var(--blue-100); color: var(--blue-700);
    padding: 4px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; margin-top: 10px;
}

/* ---------- Footer ---------- */
footer {
    background: var(--green-900); color: #cfe6db; padding: 44px 0 36px;
    font-size: 14px;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; text-align: center; }
.footer-links { list-style: none; display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.footer-links a { color: #eaf7f0; font-weight: 500; }
.footer-copy { opacity: 0.75; line-height: 1.9; }
.footer-copy a { color: #bdf0d8; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--line);
        flex-direction: column; padding: 16px 24px; gap: 14px; align-items: flex-start;
    }
    .nav-links.show { display: flex; }
    .mobile-menu-btn { display: block; }
}
@media (max-width: 560px) {
    .grid { grid-template-columns: 1fr; }
    .hero { padding: 60px 0 52px; }
    th, td { padding: 10px 12px; font-size: 13px; }
}