/* ============================================================
   Casepath — shared design system
   ----------------------------------------------------------------
   Five pages share this stylesheet. Each page sets its own accent
   palette via CSS custom properties on :root or [data-vertical].
   ============================================================ */

:root {
  /* Core brand */
  --paper: #FCFBF8;
  --ink: #16181D;
  --ink-2: #2A2E37;
  --mute: #5A5F6B;
  --line: #E5E1D7;
  --line-2: #CFC9BB;
  --surface: #FFFFFF;
  --surface-2: #F7F6F2;

  /* Master accent (teal — the Casepath brand colour) */
  --accent: #0F766E;
  --accent-dark: #0B5752;
  --accent-soft: #5EEAD4;
  --accent-glow: rgba(15, 118, 110, 0.18);

  /* Per-vertical accents — overridden by data-vertical on body */
  --vertical-fg: var(--accent);
  --vertical-fg-dark: var(--accent-dark);
  --vertical-bg: #F0FDF9;
  --vertical-glow: var(--accent-glow);
  --vertical-on-dark: var(--accent-soft);
}

[data-vertical="audit"] {
  --vertical-fg: #1E2A44;
  --vertical-fg-dark: #15203A;
  --vertical-bg: #F4F1E8;
  --vertical-glow: rgba(212, 162, 76, 0.22);
  --vertical-on-dark: #D4A24C;
}

[data-vertical="investigations"] {
  --vertical-fg: #9D2235;
  --vertical-fg-dark: #781827;
  --vertical-bg: #FBF1F2;
  --vertical-glow: rgba(157, 34, 53, 0.18);
  --vertical-on-dark: #E47A87;
}

[data-vertical="compliance"] {
  --vertical-fg: #1E3A8A;
  --vertical-fg-dark: #152C68;
  --vertical-bg: #EEF2FB;
  --vertical-glow: rgba(30, 58, 138, 0.18);
  --vertical-on-dark: #93B0EE;
}

[data-vertical="legal"] {
  --vertical-fg: #14532D;
  --vertical-fg-dark: #0E3A1F;
  --vertical-bg: #EEF5EE;
  --vertical-glow: rgba(20, 83, 45, 0.18);
  --vertical-on-dark: #86C295;
}

/* Reset / base */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: 'Inter', -apple-system, 'Segoe UI', Helvetica, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--vertical-glow); color: var(--ink); }

/* Typography */
.serif-it { font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-weight: 400; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 11px; font-weight: 600; color: var(--mute);
}

/* Layout */
.container { max-width: 1240px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }
.container-narrow { max-width: 920px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }

/* ─── Top ribbon (per-vertical) ─── */
.ribbon {
  background: var(--ink);
  color: var(--paper);
  padding: 12px 0;
  font-size: 12.5px;
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px) saturate(140%);
  background: rgba(22, 24, 29, 0.94);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.ribbon .container {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.ribbon-brand {
  font-weight: 700; letter-spacing: -0.01em; font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}
.ribbon-brand-dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--vertical-on-dark); box-shadow: 0 0 12px var(--vertical-on-dark);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}
.ribbon-brand-vertical {
  color: var(--vertical-on-dark);
  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  font-size: 11px;
}
.ribbon a { color: rgba(252,251,248,0.7); transition: color 0.15s; }
.ribbon a:hover { color: var(--paper); }

/* ─── Hero — animated mesh gradient + cursor spotlight ─── */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(80px, 14vh, 160px) 0 clamp(60px, 10vh, 120px);
  background: var(--paper);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 50% at 20% 20%, var(--vertical-glow), transparent 70%),
    radial-gradient(45% 50% at 85% 30%, color-mix(in srgb, var(--vertical-fg) 12%, transparent), transparent 70%),
    radial-gradient(55% 60% at 60% 90%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
  animation: drift 22s ease-in-out infinite;
  z-index: 0;
}
@keyframes drift {
  0%, 100% { transform: translate3d(0,0,0) scale(1); }
  33% { transform: translate3d(-2%, 2%, 0) scale(1.04); }
  66% { transform: translate3d(2%, -1%, 0) scale(1.02); }
}
.hero-spotlight {
  position: absolute; pointer-events: none; inset: 0;
  background: radial-gradient(280px 280px at var(--mx,50%) var(--my,30%),
    color-mix(in srgb, var(--vertical-fg) 8%, transparent),
    transparent 70%);
  transition: background-position 0.2s;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 500; color: var(--mute);
  margin-bottom: 24px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 999px; background: var(--vertical-fg);
  box-shadow: 0 0 10px var(--vertical-fg);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.04; letter-spacing: -0.025em;
  font-weight: 600; color: var(--ink);
  margin: 0 0 24px;
  max-width: 16ch;
}
.hero h1 .accent { color: var(--vertical-fg); }
.hero-sub {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.5; color: var(--mute);
  max-width: 56ch; margin: 0 0 36px;
}
.hero-cta-row {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 14px;
  font-weight: 500; font-size: 15px;
  border: 1px solid transparent;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--ink); color: var(--paper);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 8px 22px rgba(22,24,29,0.18);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 14px 32px rgba(22,24,29,0.28);
  background: var(--ink-2);
}
.btn-primary::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.12) 50%, transparent 70%);
  transform: translateX(-100%); transition: transform 0.65s ease;
}
.btn-primary:hover::after { transform: translateX(100%); }

.btn-vertical {
  background: var(--vertical-fg); color: var(--paper);
  box-shadow: 0 8px 22px var(--vertical-glow);
}
.btn-vertical:hover {
  background: var(--vertical-fg-dark); transform: translateY(-1px);
  box-shadow: 0 14px 32px var(--vertical-glow);
}

.btn-ghost {
  background: transparent; color: var(--ink);
  border-color: var(--line-2);
}
.btn-ghost:hover {
  background: var(--surface); border-color: var(--ink);
}

/* ─── Stats strip ─── */
.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: clamp(20px, 3vw, 48px);
  padding: 32px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: clamp(56px, 8vh, 96px);
}
.stat-num {
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 600; letter-spacing: -0.025em;
  color: var(--ink); line-height: 1;
}
.stat-num .unit {
  font-size: 0.55em; color: var(--mute); margin-left: 4px; font-weight: 500;
}
.stat-label {
  font-size: 13px; color: var(--mute); margin-top: 8px;
}

/* ─── Section ─── */
.section { padding: clamp(80px, 12vh, 140px) 0; }
.section-eyebrow {
  display: inline-block; margin-bottom: 14px;
  font-size: 11px; font-weight: 600; color: var(--vertical-fg);
  text-transform: uppercase; letter-spacing: 0.16em;
}
.section h2 {
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.05; letter-spacing: -0.025em;
  font-weight: 600; color: var(--ink);
  margin: 0 0 18px;
  max-width: 22ch;
}
.section p.lede {
  font-size: 18px; line-height: 1.55; color: var(--mute);
  max-width: 60ch; margin: 0 0 48px;
}

/* ─── Feature grid ─── */
.feature-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.feature-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 18px; padding: 26px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, var(--vertical-glow) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.3s;
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--vertical-fg) 30%, var(--line));
  box-shadow: 0 16px 40px color-mix(in srgb, var(--vertical-fg) 8%, transparent);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--vertical-bg);
  color: var(--vertical-fg);
  margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 17px; font-weight: 600; margin: 0 0 8px; color: var(--ink);
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 14.5px; line-height: 1.55; color: var(--mute); margin: 0;
}

/* ─── Steps ─── */
.steps {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.step {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px;
  position: relative;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--vertical-fg); color: var(--paper);
  font-size: 12px; font-weight: 700;
  margin-bottom: 14px;
}
.step h4 { font-size: 15px; margin: 0 0 6px; color: var(--ink); }
.step p { font-size: 13.5px; line-height: 1.5; color: var(--mute); margin: 0; }

/* ─── Pricing tile ─── */
.price-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); max-width: 800px; }
.price-tile {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 22px; padding: 32px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
}
.price-tile.featured {
  background: var(--ink); color: var(--paper);
  border-color: var(--ink);
}
.price-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--mute);
}
.price-tile.featured .price-tag { color: var(--vertical-on-dark); }
.price-tile.featured .featured-badge {
  position: absolute; top: -10px; right: 24px;
  background: var(--vertical-on-dark); color: var(--ink);
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.price-amount {
  font-size: 44px; line-height: 1; font-weight: 600; letter-spacing: -0.025em;
}
.price-amount .per { font-size: 14px; font-weight: 400; color: var(--mute); margin-left: 6px; }
.price-tile.featured .price-amount .per { color: rgba(252,251,248,0.6); }
.price-setup { font-size: 13px; color: var(--mute); }
.price-tile.featured .price-setup { color: rgba(252,251,248,0.7); }
.price-bullets { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.price-bullets li {
  display: flex; gap: 10px; font-size: 14px;
  color: var(--ink-2);
}
.price-tile.featured .price-bullets li { color: rgba(252,251,248,0.92); }
.price-bullets li::before {
  content: ""; flex-shrink: 0;
  width: 16px; height: 16px; margin-top: 2px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F766E' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") no-repeat center / contain;
}
.price-tile.featured .price-bullets li::before {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235EEAD4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}

/* ─── Testimonial / proof ─── */
.proof-band {
  background: var(--ink); color: var(--paper);
  padding: clamp(60px, 10vh, 120px) 0;
  position: relative; overflow: hidden;
}
.proof-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 70% at 80% 50%, color-mix(in srgb, var(--vertical-on-dark) 18%, transparent), transparent);
  pointer-events: none;
}
.proof-band .container { position: relative; z-index: 1; }
.proof-quote {
  font-family: 'Instrument Serif', Georgia, serif; font-style: italic;
  font-size: clamp(28px, 4vw, 44px); line-height: 1.18; font-weight: 400;
  letter-spacing: -0.015em; max-width: 28ch; margin: 0 0 28px;
}
.proof-attr {
  display: flex; align-items: center; gap: 14px;
  color: rgba(252,251,248,0.8); font-size: 14px;
}
.proof-attr-name { color: var(--paper); font-weight: 500; }

/* ─── Footer ─── */
.footer {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
  color: var(--mute); font-size: 14px;
}
.footer .container { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 800px) {
  .footer .container { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.footer-brand h4 {
  font-size: 17px; color: var(--ink); margin: 0 0 8px; font-weight: 600;
}
.footer-col h5 {
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mute); margin: 0 0 10px;
}
.footer-col a { display: block; padding: 4px 0; color: var(--ink-2); transition: color 0.15s; }
.footer-col a:hover { color: var(--vertical-fg); }
.footer-bot {
  margin-top: 36px; padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: 12.5px;
}

/* ─── Reveal — kept as a no-op selector for future micro-interactions.
   Earlier versions hid content until JS scrolled it into view; that
   broke screenshots and SEO. Now content is visible by default. */
.reveal { /* no-op */ }

/* ─── Vertical-card grid (used on main hub) ─── */
.vertical-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.vertical-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 22px; padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
  min-height: 360px;
}
.vertical-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(180deg, transparent, var(--card-glow, var(--vertical-glow)));
  opacity: 0; transition: opacity 0.4s;
  pointer-events: none;
}
.vertical-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--card-fg, var(--vertical-fg)) 30%, var(--line));
  box-shadow: 0 24px 56px color-mix(in srgb, var(--card-fg, var(--vertical-fg)) 12%, transparent);
}
.vertical-card:hover::before { opacity: 1; }
.vertical-card-eyebrow {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--card-fg, var(--vertical-fg));
}
.vertical-card-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  background: var(--card-bg, var(--vertical-bg));
  color: var(--card-fg, var(--vertical-fg));
}
.vertical-card-status .dot {
  width: 6px; height: 6px; border-radius: 999px; background: var(--card-fg, var(--vertical-fg));
}
.vertical-card-status.coming {
  background: var(--surface-2); color: var(--mute);
}
.vertical-card-status.coming .dot { background: var(--mute); animation: none; }
.vertical-card h3 {
  font-size: 26px; line-height: 1.1; letter-spacing: -0.022em;
  font-weight: 600; color: var(--ink); margin: 0;
}
.vertical-card p {
  font-size: 15px; line-height: 1.55; color: var(--mute); margin: 0; flex: 1;
}
.vertical-card-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--card-fg, var(--vertical-fg)); font-weight: 500; font-size: 14.5px;
  transition: gap 0.2s;
}
.vertical-card:hover .vertical-card-arrow { gap: 12px; }

/* ─── Mobile tweaks ─── */
@media (max-width: 700px) {
  .hero { padding-top: 48px; padding-bottom: 64px; }
  .hero h1 { font-size: 38px; }
  .section { padding: 64px 0; }
  .section h2 { font-size: 30px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}