/* landing.css — externalized from public/index.html <style> block
 * REM-007: Extracted 2026-04-20 to allow CSP style-src 'unsafe-inline' removal.
 * Zero visual changes; identical rules, moved to external file.
 */

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

:root {
    --ink: #0f0f0f;
    --paper: #faf9f7;
    --warm: #c8a87c;
    --warm-light: #f0e6d6;
    --accent: #3d5a4c;
    --accent-light: #e8efe9;
    --muted: #6b6560;
    --border: #e0dbd5;
    --rust: #c0392b;
    --rust-light: #fdf0ee;

    /* Fit-label palette: sage-to-stone spectrum (ADA AA compliant, colorblind-safe) */
    --fit-strong-bg: #E2EBE0;
    --fit-strong-text: #2D4A32;
    --fit-promising-bg: #E7ECE3;
    --fit-promising-text: #3D5A40;
    --fit-mixed-bg: #EAECE6;
    --fit-mixed-text: #4A5544;
    --fit-discuss-bg: #EDEBE7;
    --fit-discuss-text: #585247;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
}

/* ---- NAV ---- */
nav {
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--ink);
}
.logo-dot {
    color: var(--warm);
}
nav .tagline {
    font-size: 0.85rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
nav .nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.nav-signin {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s;
}
.nav-signin:hover {
    border-color: var(--ink);
    background: var(--ink);
    color: var(--paper);
}
/* Pricing nav link — hidden until paywall_visible flag is set (via nav-flags.js) */
.nav-pricing-link {
    display: none;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--muted);
    text-decoration: none;
}
.nav-pricing-link:hover {
    color: var(--ink);
}

/* ---- HERO ---- */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.08;
    letter-spacing: -0.04em;
    font-weight: 700;
    margin-bottom: 1.5rem;
}
.hero-text h1 em {
    font-style: normal;
    color: var(--accent);
}
.hero-text p {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 440px;
    line-height: 1.7;
}
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 0.9rem 2.25rem;
    background: var(--ink);
    color: var(--paper);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
}
.hero-cta:hover {
    background: #2a2a2a;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}
.hero-cta .arrow {
    transition: transform 0.2s;
}
.hero-cta:hover .arrow {
    transform: translateX(3px);
}
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}
.hero-card .card-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
    margin-bottom: 1.2rem;
}

/* ---- HERO CARD FIT ROWS (replaces bars) ---- */
.hero-fit-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
}
.hero-fit-row:last-of-type {
    border-bottom: none;
}
.hero-fit-name {
    font-size: 0.85rem;
    color: var(--ink);
    flex: 1;
}
.fit-badge {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
}
.fit-badge.strong {
    background: var(--fit-strong-bg);
    color: var(--fit-strong-text);
    border: 1px solid var(--fit-strong-text);
}
.fit-badge.promising {
    background: var(--fit-promising-bg);
    color: var(--fit-promising-text);
    border: 1px solid var(--fit-promising-text);
}
.fit-badge.mixed {
    background: var(--fit-mixed-bg);
    color: var(--fit-mixed-text);
    border: 1px solid var(--fit-mixed-text);
}
.fit-badge.discuss {
    background: var(--fit-discuss-bg);
    color: var(--fit-discuss-text);
    border: 1px solid var(--fit-discuss-text);
}
.card-note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--muted);
    font-style: italic;
}

/* ---- DIVIDER ---- */
.divider {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}
.divider hr {
    border: none;
    border-top: 1px solid var(--border);
}

/* ---- MATCHING PREVIEW (three-card section) ---- */
.matching-preview {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}
.mp-header {
    text-align: center;
    margin-bottom: 3.5rem;
}
.mp-header h2 {
    font-size: 2.2rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}
.mp-header p {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.65;
}
.mp-cards {
    display: grid;
    grid-template-columns: 1fr 1.55fr 1fr;
    gap: 1.25rem;
    align-items: start;
}
.mp-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem 1.75rem;
    background: var(--paper);
    position: relative;
    overflow: hidden;
}
.mp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}
.mp-card--blockers::before { background: var(--rust); }
.mp-card--fit::before     { background: var(--warm); }
.mp-card--trust::before   { background: var(--accent); }

.mp-card--center {
    background: white;
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}
.mp-card-tag {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
    margin-bottom: 0.6rem;
}
.mp-card h3 {
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.65rem;
}
.mp-card > p {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

/* ---- CHIPS ---- */
.mp-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.chip {
    font-size: 0.78rem;
    color: var(--ink);
    background: var(--warm-light);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.3rem 0.75rem;
    white-space: nowrap;
}
.mp-card--blockers .chip {
    background: var(--rust-light);
    border-color: #f0c8c3;
    color: #8b1a12;
}
.mp-card--trust .chip {
    background: var(--accent-light);
    border-color: #c0d4c8;
    color: #234030;
}

/* ---- LAYER 2 FIT ROWS ---- */
.mp-fit-rows {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.mp-fit-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--border);
}
.mp-fit-row:last-child {
    border-bottom: none;
}
.mp-fit-left {
    flex: 1;
}
.mp-fit-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.15rem;
}
.mp-fit-desc {
    font-size: 0.78rem;
    color: var(--muted);
    line-height: 1.45;
}
.mp-fit-row .fit-badge {
    margin-top: 0.15rem;
}
.mp-card-note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--muted);
    font-style: italic;
}
.mp-card-note-small {
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 0.4rem;
    opacity: 0.8;
}
.mp-cta {
    text-align: center;
    margin-top: 2.75rem;
}

/* ---- PRINCIPLES ---- */
.principles {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}
.principles-header {
    text-align: center;
    margin-bottom: 4rem;
}
.principles-header h2 {
    font-size: 2.2rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}
.principles-header p {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}
.principles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}
.principle {
    text-align: center;
    padding: 1.5rem 1rem;
}
.principle-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--warm);
    margin-bottom: 0.5rem;
}
.principle h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}
.principle p {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.5;
}

/* ---- LAYERS (shortened proof section) ---- */
.layers {
    background: white;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.layers-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
.layers-header {
    margin-bottom: 2.5rem;
}
.layers-header h2 {
    font-size: 1.9rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}
.layers-header p {
    color: var(--muted);
    font-size: 1rem;
    max-width: 560px;
    line-height: 1.65;
}
.layers-proof {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.proof-item {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
}
.proof-item strong {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.92rem;
    color: var(--ink);
    margin-bottom: 0.4rem;
}

/* ---- ANTI ---- */
.anti {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}
.anti-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.anti-col h2 {
    font-size: 1.8rem;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}
.anti-list {
    list-style: none;
    padding: 0;
}
.anti-list li {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.anti-list li:last-child { border-bottom: none; }
.anti-icon {
    font-size: 1rem;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}
.yes .anti-icon { color: var(--accent); }
.no .anti-icon { color: #c0392b; }

/* ---- CLOSING ---- */
.closing {
    background: var(--ink);
    color: var(--paper);
    padding: 6rem 2rem;
    text-align: center;
}
.closing h2 {
    font-size: 2.5rem;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.15;
}
.closing p {
    font-size: 1.05rem;
    color: #a09a94;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}
.closing-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    padding: 0.9rem 2.5rem;
    background: var(--warm);
    color: var(--ink);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
}
.closing-cta:hover {
    background: #d4b88e;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.2);
}

/* ---- FOOTER ---- */
footer {
    padding: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
}

/* Footer link classes — replaces inline style="" attrs (REM-007) */
.footer-links {
    margin-bottom: 0.75rem;
}
.footer-link {
    color: var(--warm);
    text-decoration: none;
    margin-right: 1.25rem;
}
.footer-link-last {
    color: var(--warm);
    text-decoration: none;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 3.5rem 1.5rem 2.5rem;
    }
    .hero-text h1 { font-size: 2.5rem; }
    .hero-visual { justify-content: flex-start; }
    .hero-card { max-width: 100%; }
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .principles-grid .principle:last-child {
        grid-column: 1 / -1;
    }
    .mp-cards {
        grid-template-columns: 1fr;
    }
    .mp-card--center {
        order: -1;
    }
    .layers-proof {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .anti-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .closing h2 { font-size: 1.8rem; }
}
@media (max-width: 480px) {
    .hero-text h1 { font-size: 2rem; }
    .principles-grid { grid-template-columns: 1fr; }
    nav .tagline { display: none; }
    .mp-header h2 { font-size: 1.7rem; }
}