/* ── StaaS Fund · Case Studies — shared styles ─────────────────────── */

:root {
  --bg: #121214;
  --bg-2: #17171a;
  --bg-3: #1e1e22;
  --bg-4: #26262c;
  --accent: #fd6524;
  --accent-deep: #c84a13;
  --accent-soft: rgba(253, 101, 36, 0.12);
  --green: #4ea674;
  --gold: #d4a85a;
  --steel: #7a8090;
  --text: #f4f1ea;
  --text-muted: #a5a19a;
  --text-dim: #6d6a64;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;
  --font: 'Manrope', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  --max-w: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.011em;
  overflow-x: hidden;
}
a { color: inherit; }
em { font-style: normal; color: var(--accent); }

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

/* ── Nav ─────────────────────────────────────────── */
.cs-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 14px;
  padding: 16px 28px;
  background: rgba(18, 18, 20, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.cs-nav-logo { font-weight: 800; font-size: 1.05rem; letter-spacing: -0.02em; text-decoration: none; }
.cs-nav-logo span { color: var(--accent); }
.cs-nav-crumb { color: var(--text-dim); font-family: var(--mono); font-size: 0.76rem; }
.cs-nav-crumb strong { color: var(--text-muted); font-weight: 500; }
.cs-nav-spacer { flex: 1; }
.cs-nav-cta {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent); text-decoration: none; border: 1px solid var(--accent);
  border-radius: 999px; padding: 8px 15px; transition: background .2s, color .2s;
}
.cs-nav-cta:hover { background: var(--accent); color: #fff; }

/* ── Hero ────────────────────────────────────────── */
.cs-hero { padding: 88px 0 56px; position: relative; }
.cs-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(1100px 460px at 18% -8%, rgba(253,101,36,0.14), transparent 62%);
}
.cs-eyebrow {
  font-family: var(--mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--accent); margin-bottom: 18px; display: inline-flex; align-items: center; gap: 8px;
}
.cs-eyebrow.done { color: var(--green); }
h1.cs-title {
  font-size: clamp(2.3rem, 5.4vw, 3.9rem); font-weight: 800; line-height: 1.04;
  letter-spacing: -0.035em; margin-bottom: 22px; max-width: 16ch;
}
.cs-sub { font-size: 1.18rem; color: var(--text-muted); max-width: 60ch; font-weight: 400; }
.cs-sub strong { color: var(--text); font-weight: 600; }
.cs-meta {
  display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 30px;
  font-size: 0.86rem; color: var(--text-dim);
}
.cs-meta strong { color: var(--text-muted); font-weight: 600; }

/* ── Stat strip ──────────────────────────────────── */
.cs-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; margin: 44px 0;
}
.cs-stat { background: var(--bg-2); padding: 26px 24px; }
.cs-stat .n { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.03em; color: var(--accent); line-height: 1; }
.cs-stat .n.green { color: var(--green); }
.cs-stat .l { display: block; margin-top: 9px; font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

/* ── Sections ────────────────────────────────────── */
.cs-section { padding: 30px 0; }
.cs-kicker {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--steel); margin-bottom: 10px;
}
h2.cs-h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); font-weight: 800; letter-spacing: -0.025em; margin-bottom: 14px; }
.cs-lede { color: var(--text-muted); max-width: 68ch; font-size: 1.04rem; margin-bottom: 26px; }
.cs-body { color: var(--text-muted); max-width: 70ch; }
.cs-body p + p { margin-top: 14px; }
.cs-body strong { color: var(--text); font-weight: 600; }

/* ── Arc / numbered steps ────────────────────────── */
.cs-arc { display: grid; gap: 14px; counter-reset: step; }
.cs-step {
  display: grid; grid-template-columns: 46px 1fr; gap: 18px; align-items: start;
  border: 1px solid var(--border); background: var(--bg-2); border-radius: var(--radius);
  padding: 22px 24px;
}
.cs-step-n {
  width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft);
  border: 1px solid rgba(253,101,36,0.3); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-weight: 600;
}
.cs-step h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 5px; }
.cs-step p { color: var(--text-muted); font-size: 0.94rem; }
.cs-step .pill {
  display: inline-block; margin-top: 9px; font-family: var(--mono); font-size: 0.64rem;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--green);
  border: 1px solid rgba(78,166,116,0.3); border-radius: 999px; padding: 3px 9px;
}

/* ── Result cards ────────────────────────────────── */
.cs-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cs-result {
  border: 1px solid var(--border); background: var(--bg-2); border-radius: var(--radius);
  padding: 24px 26px;
}
.cs-result.hero-result { grid-column: 1 / -1; border-color: var(--accent); background: linear-gradient(135deg, var(--accent-soft), var(--bg-2)); }
.cs-result .n { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text); line-height: 1; }
.cs-result.hero-result .n { font-size: 2.8rem; color: var(--accent); }
.cs-result .l { display: block; margin-top: 8px; color: var(--text-muted); font-size: 0.92rem; }

/* ── Method / principles ─────────────────────────── */
.cs-method { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cs-principle {
  border: 1px solid var(--border); background: var(--bg-2); border-radius: var(--radius);
  padding: 22px 24px; border-top: 2px solid var(--accent);
}
.cs-principle h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.cs-principle p { color: var(--text-muted); font-size: 0.92rem; }

/* pull quote */
.cs-quote {
  border-left: 3px solid var(--accent); padding: 8px 0 8px 26px; margin: 8px 0;
  font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; color: var(--text); line-height: 1.4;
}
.cs-quote span { color: var(--accent); }

/* ── CTA band ────────────────────────────────────── */
.cs-cta {
  margin: 56px auto; text-align: center;
  border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  padding: 52px 40px;
}
.cs-cta h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 12px; }
.cs-cta p { color: var(--text-muted); max-width: 52ch; margin: 0 auto 26px; }
.cs-btn {
  display: inline-flex; align-items: center; gap: 9px; text-decoration: none;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.98rem;
  border-radius: 999px; padding: 14px 28px; transition: transform .15s, background .2s;
}
.cs-btn:hover { background: var(--accent-deep); transform: translateY(-1px); }
.cs-btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.cs-btn.ghost:hover { background: var(--accent-soft); }

/* ── Case-study cards (hub) ──────────────────────── */
.cs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 20px; margin: 40px 0; }
a.cs-card {
  display: flex; flex-direction: column; text-decoration: none;
  border: 1px solid var(--border); background: var(--bg-2); border-radius: var(--radius-lg);
  overflow: hidden; transition: border-color .2s, transform .15s;
}
a.cs-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.cs-card-top {
  padding: 26px 26px 22px; background: linear-gradient(135deg, var(--accent-soft), transparent);
  border-bottom: 1px solid var(--border);
}
.cs-card-tag {
  font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 14px;
}
.cs-card-stat { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text); line-height: 1; }
.cs-card-stat small { display: block; font-size: 0.8rem; font-weight: 500; color: var(--text-muted); margin-top: 7px; letter-spacing: 0; }
.cs-card-body { padding: 22px 26px 24px; flex: 1; display: flex; flex-direction: column; }
.cs-card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.02em; }
.cs-card-body p { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
.cs-card-meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.cs-chip {
  font-family: var(--mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted); border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px;
}
.cs-card-more { margin-top: 18px; color: var(--accent); font-weight: 600; font-size: 0.9rem; }

/* soon card */
.cs-soon {
  border: 1px dashed var(--border-strong); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 40px; color: var(--text-dim); min-height: 240px;
}
.cs-soon strong { display: block; color: var(--text-muted); font-weight: 600; margin-bottom: 6px; }

/* ── Footer ──────────────────────────────────────── */
.cs-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 40px 0 60px; }
.cs-footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: center; }
.cs-footer a { color: var(--accent); text-decoration: none; }
.cs-footer .small { color: var(--text-dim); font-size: 0.84rem; }

/* reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--delay, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 760px) {
  .cs-stats { grid-template-columns: repeat(2, 1fr); }
  .cs-results, .cs-method { grid-template-columns: 1fr; }
  .cs-hero { padding: 60px 0 40px; }
}