/* Riseball Analytics site. Layout: one 1160px column, sections divided by rules like the reports,
   summary first, depth below. Dark-first, same tokens as the reports. */
:root {
  --bg: #121417; --surface: #181c1f; --surface-2: #1f2427; --line: #2a3135; --line-soft: #20262a;
  --ink: #e6ece9; --muted: #95a39e; --dim: #6b7873;
  --accent: #44eebb; --accent-ink: #0b1f18; --accent-soft: rgba(68, 238, 187, .12); --fill: #1aa87c;
  --loss: #d9693a; --shadow: 0 18px 50px rgba(0, 0, 0, .45); --head: rgba(18, 20, 23, .86);
  --f-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --f-body: "Sora", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --f-mark: "Orbitron", "Sora", system-ui, sans-serif;
  --wrap: 1160px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f6f4; --surface: #ffffff; --surface-2: #eaf0ed; --line: #d5ddd9; --line-soft: #e3e9e6;
    --ink: #101715; --muted: #4f5d58; --dim: #75827d;
    --accent: #0b7f5d; --accent-ink: #ffffff; --accent-soft: rgba(14, 138, 102, .10); --fill: #0e8a66;
    --loss: #c25a24; --shadow: 0 18px 44px rgba(16, 23, 21, .14); --head: rgba(243, 246, 244, .9);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3f6f4; --surface: #ffffff; --surface-2: #eaf0ed; --line: #d5ddd9; --line-soft: #e3e9e6;
  --ink: #101715; --muted: #4f5d58; --dim: #75827d;
  --accent: #0b7f5d; --accent-ink: #ffffff; --accent-soft: rgba(14, 138, 102, .10); --fill: #0e8a66;
  --loss: #c25a24; --shadow: 0 18px 44px rgba(16, 23, 21, .14); --head: rgba(243, 246, 244, .9);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px;
}
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.2rem, 5.4vw, 3.9rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.04; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -.025em; line-height: 1.15; }
h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: -.01em; }
p { margin: 0; }
.eyebrow { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.accent { color: var(--accent); }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 60ch; }
.muted { color: var(--muted); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* header */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--head); }
.site-head { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--head); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line-soft); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.wordmark { font-family: var(--f-mark); font-weight: 800; font-size: .92rem; letter-spacing: .14em; color: var(--accent); display: inline-flex; align-items: center; gap: 10px; text-decoration: none; white-space: nowrap; }
.wordmark span { color: var(--ink); }
.mark { width: 26px; height: 26px; flex: none; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { text-decoration: none; font-size: .9rem; color: var(--muted); padding: 8px 10px; border-radius: 6px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 .92rem var(--f-body); text-decoration: none; padding: 11px 18px; border-radius: 8px; border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--surface-2); }
.nav .btn { padding: 9px 14px; margin-left: 6px; color: var(--accent-ink); }
.nav .btn:hover { background: var(--accent); color: var(--accent-ink); }
.menu-btn { display: none; background: transparent; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 8px 10px; font: 500 .85rem var(--f-body); cursor: pointer; }

/* sections */
main { display: block; }
.band { padding-block: 72px; border-top: 1px solid var(--line); }
.band-tight { padding-block: 48px; }
.sec-head { display: grid; gap: 10px; margin-bottom: 34px; max-width: 70ch; }
.sec-head p { color: var(--muted); }

/* hero */
.hero { position: relative; overflow: hidden; padding-block: 64px 72px; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 48px; align-items: center; }
.hero-copy { display: grid; gap: 22px; min-width: 0; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-mono); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--accent); }
.hero h1 em { font-style: normal; color: var(--accent); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { font-family: var(--f-mono); font-size: .76rem; color: var(--dim); }
.trail { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.trail path { fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 0.1 14; opacity: .38; }
.trail circle { fill: none; stroke: var(--accent); stroke-width: 2; opacity: .5; }
.shot { position: relative; margin: 0; min-width: 0; }
.shot img { border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); background: var(--surface); }
.shot figcaption { margin-top: 10px; font-family: var(--f-mono); font-size: .72rem; color: var(--dim); }
.stack { position: relative; padding-bottom: 100px; }
.stack .back { position: absolute; right: -6%; bottom: 46px; width: 70%; transform: rotate(2.2deg); opacity: .95; }
.stack figcaption { position: absolute; left: 0; bottom: 0; margin: 0; max-width: 60%; }
.stack .front { position: relative; z-index: 1; width: 94%; }

/* proof strip */
.proof { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--accent); border-bottom: 1px solid var(--line); }
.proof-cell { padding: 18px 18px 20px; border-right: 1px solid var(--line-soft); display: grid; gap: 6px; align-content: start; min-width: 0; }
.proof-cell:last-child { border-right: 0; }
.proof-val { font-family: var(--f-mono); font-size: 2rem; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }
.proof-val small { font-size: 1rem; color: var(--muted); }
.proof-sub { font-size: .84rem; color: var(--muted); }
.proof-foot { margin-top: 14px; font-size: .86rem; color: var(--muted); }
.proof-foot a { color: var(--accent); }

/* what it is */
.split { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 56px; align-items: start; }
.prose { display: grid; gap: 16px; max-width: 62ch; }
.prose p { color: var(--ink); }
.prose .muted { color: var(--muted); }
.card-lineup { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--accent); background: var(--surface); border-radius: 0 0 10px 10px; }
.card-lineup li { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 4px 12px; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); }
.card-lineup li:last-child { border-bottom: 0; }
.slot { grid-row: span 2; font-family: var(--f-mono); font-size: 1.2rem; font-weight: 600; color: var(--accent); line-height: 1.3; }
.card-lineup b { font-weight: 600; }
.card-lineup span { color: var(--muted); font-size: .86rem; }
.card-head { display: flex; justify-content: space-between; gap: 12px; padding: 0 2px 8px; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }

/* value */
.values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 44px; }
.value { padding: 22px 0; border-top: 1px solid var(--line-soft); display: grid; gap: 8px; }
.value .eyebrow { color: var(--accent); }
.value p { color: var(--muted); }

/* gallery */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.tab { font: 500 .84rem var(--f-body); color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; cursor: pointer; }
.tab[aria-selected="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.panel { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, .8fr); gap: 32px; align-items: start; }
.panel .shot img { width: 100%; }
.panel-copy { display: grid; gap: 12px; }
.panel-copy p { color: var(--muted); }
.panel-copy ul { margin: 0; padding-left: 18px; color: var(--muted); display: grid; gap: 6px; font-size: .92rem; }

/* analytics */
.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 44px; }
.metric { padding: 24px 0; border-top: 1px solid var(--line-soft); display: grid; gap: 10px; align-content: start; }
.metric .tag { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.metric p { color: var(--muted); }
.example { font-family: var(--f-mono); font-size: .8rem; color: var(--ink); background: var(--surface); border-left: 2px solid var(--accent); padding: 10px 12px; border-radius: 0 6px 6px 0; }
.example b { color: var(--accent); font-weight: 600; }

/* books, track record */
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.feature.flip { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ticks li { padding-left: 22px; position: relative; color: var(--muted); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .72em; width: 10px; height: 2px; background: var(--accent); }
.ticks b { color: var(--ink); font-weight: 600; }

/* research cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 20px; }
.card { display: grid; grid-template-rows: auto 1fr; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; text-decoration: none; transition: border-color .2s; }
.card:hover { border-color: var(--accent); }
.card img { aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; width: 100%; border-bottom: 1px solid var(--line); }
.card-body { padding: 16px 18px 20px; display: grid; gap: 8px; align-content: start; }
.card-body p { color: var(--muted); font-size: .9rem; }
.card-meta { font-family: var(--f-mono); font-size: .72rem; color: var(--dim); }
.card-note { font-size: .82rem; color: var(--muted); border-top: 1px solid var(--line-soft); padding-top: 8px; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--accent); }
.steps li { padding: 20px 20px 22px 0; display: grid; gap: 8px; align-content: start; }
.steps li + li { padding-left: 20px; border-left: 1px solid var(--line-soft); }
.step-n { font-family: var(--f-mono); font-size: .8rem; color: var(--accent); }
.steps p { color: var(--muted); font-size: .94rem; }

/* faq */
.faq { display: grid; border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-family: var(--f-mono); font-size: 1.3rem; color: var(--accent); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--muted); padding-bottom: 18px; max-width: 70ch; }

/* about + request */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.form { display: grid; gap: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.form .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: .82rem; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; font: 400 .95rem var(--f-body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.field textarea { min-height: 96px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--dim); }
.form-status { font-size: .9rem; color: var(--accent); }
.hidden-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-line { font-family: var(--f-mono); font-size: .9rem; }

/* footer */
.site-foot { border-top: 1px solid var(--line); padding-block: 36px 48px; }
.site-foot .wrap { display: grid; gap: 18px; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .88rem; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--ink); }
.fine { font-size: .78rem; color: var(--dim); max-width: 90ch; }

/* list pages (reports, research) */
.page-head { padding-block: 56px 36px; display: grid; gap: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }

/* motion */
@keyframes draw { from { stroke-dashoffset: 900; } to { stroke-dashoffset: 0; } }
@keyframes rise { from { opacity: .0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.trail path { stroke-dashoffset: 0; animation: draw 2.4s ease-out both; }
.hero-copy > * { animation: rise .7s ease-out both; }
.hero-copy > *:nth-child(2) { animation-delay: .08s; } .hero-copy > *:nth-child(3) { animation-delay: .16s; }
.hero-copy > *:nth-child(4) { animation-delay: .24s; } .hero-copy > *:nth-child(5) { animation-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .trail path, .hero-copy > * { animation: none; }
}

/* responsive */
@media (max-width: 980px) {
  .hero .wrap, .split, .feature, .feature.flip, .about, .panel { grid-template-columns: minmax(0, 1fr); }
  .stack .back, .trail { display: none; }
  .stack { padding-bottom: 0; }
  .stack figcaption { position: static; max-width: none; margin-top: 10px; }
  .stack .front { width: 100%; }
  .proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-cell:nth-child(2) { border-right: 0; }
  .proof-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line-soft); }
}
@media (max-width: 820px) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 2px; background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px max(20px, env(safe-area-inset-right, 0px)) 16px max(20px, env(safe-area-inset-left, 0px)); }
  .nav.open { display: flex; }
  .nav .btn { margin: 8px 0 0; }
  .values, .metrics { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps li, .steps li + li { padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--line-soft); }
  .form .row { grid-template-columns: minmax(0, 1fr); }
  .band { padding-block: 56px; }
}
@media (max-width: 480px) {
  .proof-val { font-size: 1.6rem; }
  .wordmark { font-size: .8rem; letter-spacing: .1em; }
}
@media print {
  .site-head, .trail, .form, .menu-btn { display: none !important; }
}