/* ============================================================
   Rehearsal Room — marketing site
   Brand tokens: canvas #0A0A0F, web-cyan #00B7FF, ink #F5F8FC.
   System font stack only — no external loads.
   ============================================================ */

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

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
    background: #0A0A0F;
    color: #E8EEF5;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

main { display: block; }

/* ----- shared layout ----- */
.section-inner,
.hero-inner,
.cta-band-inner,
.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 72px 0; }

.rule {
    max-width: 960px;
    margin: 0 auto;
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
}

/* ----- eyebrows ----- */
.eyebrow {
    font-size: 18px;
    color: #00B7FF;
    letter-spacing: 0.2px;
    margin-bottom: 28px;
    font-weight: 500;
}

/* ----- hero ----- */
.hero {
    padding: 96px 0 72px;
    text-align: center;
}
.hero-inner { max-width: 820px; }
.hero .eyebrow {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 12px;
    color: rgba(0, 183, 255, 0.85);
    margin-bottom: 32px;
}

.display {
    font-size: 56px;
    line-height: 1.05;
    letter-spacing: -1.2px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 24px;
}

.subhead {
    font-size: 19px;
    line-height: 1.55;
    color: #AAB4C8;
    max-width: 640px;
    margin: 0 auto 40px;
}

.cta-meta {
    margin-top: 16px;
    font-size: 13px;
    color: #6B7589;
    letter-spacing: 0.3px;
}

/* ----- CTA button ----- */
.cta {
    display: inline-block;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background-color 120ms ease, transform 120ms ease;
}
.cta-primary {
    background: #00B7FF;
    color: #0A0A0F;
    padding: 12pt 32pt;
    border-radius: 8pt;
    font-size: 14pt;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.cta-primary:hover { background: #50D4FF; }
.cta-primary:active { transform: translateY(1px); }

/* ----- 3-col proof-by-product ----- */
.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
}
.cell-head {
    font-size: 19px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.2px;
}
.cell-body {
    font-size: 15px;
    color: #AAB4C8;
    line-height: 1.65;
}

/* ----- for-who italic block ----- */
.forwho {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}
.forwho p {
    font-style: italic;
    font-size: 22px;
    line-height: 1.55;
    color: #E8EEF5;
    letter-spacing: -0.1px;
}

/* ----- what's different feature list ----- */
.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
.icon-ring {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(0, 183, 255, 0.30);
    background: rgba(0, 183, 255, 0.04);
    color: #00B7FF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.feature-body { flex: 1 1 auto; }
.feature-head {
    font-size: 16px;
    font-weight: 600;
    color: #F5F8FC;
    margin-bottom: 4px;
    letter-spacing: -0.1px;
}
.feature-body p {
    font-size: 15px;
    color: #AAB4C8;
    line-height: 1.6;
}

/* ----- secondary CTA band ----- */
.cta-band { text-align: center; }
.cta-band-inner { max-width: 720px; }

/* ----- footer ----- */
.footer {
    margin-top: 24px;
    padding: 48px 0 64px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-inner {
    text-align: center;
    color: #6B7589;
    font-size: 13px;
    line-height: 1.9;
}
.footer a {
    color: #AAB4C8;
    text-decoration: none;
    border-bottom: none;
}
.footer a:hover { color: #F5F8FC; }
.footer .dot { color: #3A4256; margin: 0 8px; }
.footer .copyright { color: #6B7589; }
.footer .mailto { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; color: #6B7589; }
.footer .mailto:hover { color: #00B7FF; }

/* ----- legal/support page styles (re-used by privacy/terms/support) ----- */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 24px 60px;
}
h1 {
    font-size: 48px;
    font-weight: 500;
    letter-spacing: -0.5px;
    color: #F5F8FC;
    margin-bottom: 12px;
}
h2 {
    font-size: 12px;
    letter-spacing: 2px;
    color: #00B7FF;
    text-transform: uppercase;
    font-weight: 700;
    margin: 40px 0 16px;
}
h3 {
    font-size: 16px;
    color: #00B7FF;
    margin: 28px 0 12px;
    letter-spacing: 0.5px;
}
p { margin-bottom: 16px; font-size: 17px; }
ul, ol { margin: 0 0 16px 24px; }
li { margin-bottom: 8px; font-size: 17px; }

/* default anchor (legal pages); the home page overrides via footer scope */
.container a {
    color: #00B7FF;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 183, 255, 0.3);
}
.container a:hover {
    color: #50D4FF;
    border-bottom-color: #50D4FF;
}
.container .footer {
    margin-top: 80px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: #6B7589;
    font-size: 13px;
    line-height: 1.8;
}
.container .footer a {
    color: #AAB4C8;
    border-bottom: none;
}
.container .footer a:hover { color: #F5F8FC; }

small { color: #6B7589; }
.italic { font-style: italic; }

/* ============================================================
   Responsive — collapse grid + scale display type at <= 720px
   ============================================================ */
@media (max-width: 720px) {
    .hero { padding: 64px 0 48px; }
    .display { font-size: 36px; letter-spacing: -0.6px; }
    .subhead { font-size: 17px; }
    .section { padding: 56px 0; }

    .grid-3 {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .forwho p { font-size: 19px; }

    .feature { gap: 16px; }
    .icon-ring { width: 40px; height: 40px; }

    .cta-primary { padding: 14px 28px; font-size: 13pt; }

    h1 { font-size: 36px; }
}

@media (max-width: 420px) {
    .display { font-size: 32px; }
    .hero .eyebrow { letter-spacing: 2px; }
}

/* ============================================================
   Extended product-site components (same dark/cyan brand).
   Added for the comprehensive index + research.html.
   Core tokens above are untouched.
   ============================================================ */

/* ----- section heading block ----- */
.section-head {
    font-size: 30px;
    line-height: 1.15;
    letter-spacing: -0.6px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 16px;
}
.section-lede {
    font-size: 17px;
    line-height: 1.6;
    color: #AAB4C8;
    max-width: 640px;
    margin-bottom: 40px;
}

/* ----- inline citation ----- */
.cite {
    color: #6B7589;
    font-size: 0.86em;
    font-style: normal;
    white-space: nowrap;
}
.stat-line {
    color: #E8EEF5;
}
.stat-line .num { color: #00B7FF; font-weight: 600; }

/* ----- the wedge: stat cards ----- */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 8px;
}
.stat-card {
    border: 1px solid rgba(173, 192, 230, 0.12);
    background: #101722;
    border-radius: 16px;
    padding: 28px 24px;
}
.stat-card .metric {
    font-size: 40px;
    font-weight: 700;
    color: #00B7FF;
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 14px;
    font-variant-numeric: tabular-nums;
}
.stat-card .stat-label {
    font-size: 15px;
    color: #E8EEF5;
    line-height: 1.55;
    margin-bottom: 12px;
}
.stat-card .stat-src {
    font-size: 12px;
    color: #6B7589;
    letter-spacing: 0.2px;
}

/* ----- how it works: ordered loop ----- */
.loop {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: loop;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.loop-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.loop-step:first-child { border-top: none; }
.loop-num {
    flex: 0 0 auto;
    counter-increment: loop;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(0, 183, 255, 0.30);
    background: rgba(0, 183, 255, 0.04);
    color: #00B7FF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.loop-num::before { content: counter(loop); }
.loop-body { flex: 1 1 auto; }
.loop-body h4 {
    font-size: 17px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: -0.1px;
}
.loop-body p {
    font-size: 15px;
    color: #AAB4C8;
    line-height: 1.6;
}

/* ----- use cases: 2-col cards ----- */
.case-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.case-card {
    border: 1px solid rgba(173, 192, 230, 0.12);
    background: #12121A;
    border-radius: 16px;
    padding: 28px 26px;
}
.case-card .case-tag {
    font-size: 11px;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: #00B7FF;
    font-weight: 700;
    margin-bottom: 12px;
    display: block;
}
.case-card h4 {
    font-size: 19px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}
.case-card p {
    font-size: 15px;
    color: #AAB4C8;
    line-height: 1.6;
}

/* ----- research preview: finding rows ----- */
.findings {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.finding {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.finding:first-child { border-top: none; }
.finding .f-stat {
    font-size: 17px;
    color: #E8EEF5;
    line-height: 1.55;
    margin-bottom: 8px;
}
.finding .f-stat .num { color: #00B7FF; font-weight: 600; }
.finding .f-src {
    font-size: 13px;
    color: #6B7589;
    letter-spacing: 0.2px;
}
.finding .f-src a {
    color: #6B7589;
    text-decoration: none;
    border-bottom: 1px solid rgba(107, 117, 137, 0.4);
}
.finding .f-src a:hover { color: #00B7FF; border-bottom-color: #00B7FF; }

.see-more {
    margin-top: 40px;
}
.link-cyan {
    color: #00B7FF;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 183, 255, 0.3);
}
.link-cyan:hover { color: #50D4FF; border-bottom-color: #50D4FF; }

/* ----- privacy line block ----- */
.privacy-line {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}
.privacy-line .section-head { margin-bottom: 16px; }
.privacy-line p {
    font-size: 17px;
    color: #AAB4C8;
    line-height: 1.65;
    margin-bottom: 0;
}

/* ----- top nav (research page + index) ----- */
.topnav {
    max-width: 960px;
    margin: 0 auto;
    padding: 28px 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topnav .brand {
    font-size: 13px;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: #00B7FF;
    font-weight: 600;
    text-decoration: none;
}
.topnav .nav-links a {
    color: #AAB4C8;
    text-decoration: none;
    font-size: 14px;
    margin-left: 24px;
}
.topnav .nav-links a:hover { color: #F5F8FC; }

/* ============================================================
   research.html — white-paper layout
   ============================================================ */
.paper {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 24px;
}
.paper-hero {
    padding: 64px 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 8px;
}
.paper-hero h1 {
    font-size: 44px;
    line-height: 1.08;
    letter-spacing: -0.8px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 20px;
}
.paper-intro {
    font-size: 16px;
    line-height: 1.7;
    color: #AAB4C8;
    max-width: 720px;
}
.paper-intro strong { color: #E8EEF5; font-weight: 600; }

.evidence-group { padding: 48px 0 8px; }
.group-eyebrow {
    font-size: 12px;
    letter-spacing: 2px;
    color: #00B7FF;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 8px;
}
.group-title {
    font-size: 24px;
    color: #F5F8FC;
    font-weight: 600;
    letter-spacing: -0.3px;
    margin-bottom: 24px;
}

.study {
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.study:first-of-type { border-top: none; }
.study .s-point {
    font-size: 16px;
    color: #E8EEF5;
    line-height: 1.6;
    margin-bottom: 10px;
}
.study .s-stat {
    font-size: 14px;
    color: #AAB4C8;
    line-height: 1.6;
    margin-bottom: 12px;
    padding-left: 16px;
    border-left: 2px solid rgba(0, 183, 255, 0.35);
}
.study .s-stat .num { color: #00B7FF; font-weight: 600; }
.study .s-meta {
    font-size: 13px;
    color: #6B7589;
    line-height: 1.6;
}
.study .s-meta .s-author { color: #AAB4C8; }
.study .s-meta a {
    color: #00B7FF;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 183, 255, 0.3);
}
.study .s-meta a:hover { color: #50D4FF; border-bottom-color: #50D4FF; }

.paper-cta {
    margin: 56px 0;
    padding: 40px 24px;
    text-align: center;
    border: 1px solid rgba(173, 192, 230, 0.12);
    background: #101722;
    border-radius: 24px;
}

/* ----- problem -> solution weld blocks (index core) ----- */
.weld .section-head { margin-bottom: 32px; }
.weld-row {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.weld-row:first-of-type { border-top: none; }
.weld-tag {
    flex: 0 0 116px;
    margin-top: 3px;
    font-size: 11px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    font-weight: 700;
    line-height: 1.35;
}
.weld-tag-problem  { color: #6B7589; }
.weld-tag-solution { color: #00B7FF; }
.weld-tag-use      { color: #AAB4C8; }
.weld-body {
    flex: 1 1 auto;
    font-size: 16px;
    line-height: 1.65;
    color: #E8EEF5;
}
.weld-body strong { color: #F5F8FC; font-weight: 600; }

/* ----- the thesis: hinge between evidence and product ----- */
.thesis {
    max-width: 760px;
}
.thesis .section-head {
    margin-bottom: 24px;
}
.thesis-lede {
    font-size: 18px;
    line-height: 1.65;
    color: #AAB4C8;
    margin-bottom: 24px;
}
.thesis-turn {
    font-size: 19px;
    line-height: 1.6;
    color: #F5F8FC;
    font-weight: 500;
    letter-spacing: -0.1px;
    padding: 24px 0 4px 26px;
    border-left: 2px solid #00B7FF;
}
.thesis-turn strong { color: #fff; font-weight: 600; }

@media (max-width: 720px) {
    .thesis-lede { font-size: 16px; }
    .thesis-turn { font-size: 17px; padding-left: 20px; }
}

/* ----- payoff ladder ----- */
.ladder {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: ladder;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.ladder-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.ladder-step:first-child { border-top: none; }
.ladder-num {
    flex: 0 0 auto;
    counter-increment: ladder;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(0, 183, 255, 0.30);
    background: rgba(0, 183, 255, 0.04);
    color: #00B7FF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.ladder-num::before { content: counter(ladder); }
.ladder-body { flex: 1 1 auto; }
.ladder-body h4 {
    font-size: 18px;
    color: #F5F8FC;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: -0.1px;
}
.ladder-body p {
    font-size: 15px;
    color: #AAB4C8;
    line-height: 1.6;
}
.payoff-note {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
    line-height: 1.65;
    color: #6B7589;
    max-width: 720px;
}
.payoff-note .link-cyan { font-size: 14px; }

@media (max-width: 720px) {
    .stat-grid { grid-template-columns: 1fr; gap: 16px; }
    .case-grid { grid-template-columns: 1fr; }
    .section-head { font-size: 26px; }
    .paper-hero h1 { font-size: 34px; }
    .loop-step { gap: 16px; }
    .topnav { padding: 20px 20px 0; }
    .topnav .nav-links a { margin-left: 16px; }
    .paper-cta { padding: 32px 20px; }

    .weld-row { flex-direction: column; gap: 8px; }
    .weld-tag { flex: none; margin-top: 0; }
    .ladder-step { gap: 16px; }
}

/* ============================================================
   resources.html — clickable guide cards
   ============================================================ */
.link-card {
    display: block;
    text-decoration: none;
    transition: border-color 120ms ease, background-color 120ms ease, transform 120ms ease;
}
.link-card:hover {
    border-color: rgba(0, 183, 255, 0.45);
    background: #141a26;
    transform: translateY(-2px);
}
.link-card h4 { color: #F5F8FC; }
.card-go {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
    color: #00B7FF;
    letter-spacing: 0.2px;
}
.link-card:hover .card-go { color: #50D4FF; }

/* ============================================================
   faq.html — question / answer blocks
   ============================================================ */
.faq-item {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.faq-item:first-of-type { border-top: none; }
.faq-q {
    font-size: 18px;
    color: #F5F8FC;
    font-weight: 600;
    letter-spacing: -0.1px;
    margin: 0 0 10px;
}
.faq-a {
    font-size: 16px;
    line-height: 1.65;
    color: #AAB4C8;
    margin: 0;
}
.faq-a a {
    color: #00B7FF;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 183, 255, 0.3);
}
.faq-a a:hover { color: #50D4FF; border-bottom-color: #50D4FF; }
.faq-a em { color: #E8EEF5; font-style: italic; }

/* ============================================================
   compare.html — draft note, comparison table, legend
   ============================================================ */
.draft-note {
    margin-top: 28px;
    padding: 14px 18px;
    border: 1px solid rgba(255, 176, 32, 0.35);
    background: rgba(255, 176, 32, 0.06);
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.55;
    color: #D9C9A6;
}
.draft-note strong {
    color: #FFB020;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: 12px;
    font-weight: 700;
}

.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 8px 0 20px;
    border: 1px solid rgba(173, 192, 230, 0.12);
    border-radius: 16px;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
    font-size: 14px;
}
.compare-table th,
.compare-table td {
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    line-height: 1.45;
}
.compare-table thead th {
    font-size: 12px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: #AAB4C8;
    font-weight: 700;
    background: #101722;
    border-bottom: 1px solid rgba(173, 192, 230, 0.16);
    white-space: nowrap;
}
.compare-table tbody th[scope="row"] {
    color: #E8EEF5;
    font-weight: 600;
    font-size: 14px;
}
.compare-table .rowhead-col { min-width: 200px; }
.compare-table th.rr-col,
.compare-table td.rr-col {
    background: rgba(0, 183, 255, 0.06);
    border-left: 1px solid rgba(0, 183, 255, 0.25);
    border-right: 1px solid rgba(0, 183, 255, 0.25);
}
.compare-table thead th.rr-col { color: #00B7FF; }
.compare-table tbody tr:last-child td,
.compare-table tbody tr:last-child th { border-bottom: none; }

/* cell verdict tints */
.compare-table td.yes   { color: #E8EEF5; }
.compare-table td.yes::before   { content: ""; }
.compare-table td.part  { color: #C9D2E2; }
.compare-table td.no    { color: #9AA4B8; }
.compare-table td.maybe { color: #C9B98A; }
.compare-table td.rr-col.yes { color: #7FE0FF; font-weight: 600; }
.compare-table td.maybe { font-style: italic; }

.table-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: #6B7589;
    margin-bottom: 8px;
}
.table-legend .lg { display: inline-flex; align-items: center; }
.table-legend .lg::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 3px;
    margin-right: 8px;
    display: inline-block;
}
.lg-yes::before   { background: #00B7FF; }
.lg-part::before  { background: #6B7589; }
.lg-no::before    { background: #3A4256; }
.lg-maybe::before { background: #FFB020; }

@media (max-width: 720px) {
    .draft-note { font-size: 13px; }
    .table-legend { gap: 10px 16px; }
}

.launch-banner{background:#06141c;color:#79d2ff;text-align:center;padding:9px 16px;font-size:13px;font-weight:600;letter-spacing:.2px;line-height:1.4}