/* ================================================================
   SONAR — DESIGN SYSTEM v2.0
   Token Reference + Landing Page Implementation
   ================================================================ */

/* ── DESIGN TOKENS ─────────────────────────────────────────────── */
:root {
  /* Surface palette */
  --bg-base:     #FAFAF7;   /* Warm off-white — page background */
  --bg-surface:  #F3F2EC;   /* Warm light gray — section fills  */
  --bg-elevated: #FFFFFF;   /* Pure white — cards, modals        */
  --bg-inset:    #ECEAE2;   /* Recessed areas — inputs, chips   */
  --bg-dark:     #0D0C0A;   /* Near-black — inverted sections   */

  /* Text palette */
  --text-primary:   #0A0A08;
  --text-secondary: #52524A;
  --text-tertiary:  #8C8C82;
  --text-inverse:   #FFFFFF;
  --text-dim:       rgba(255,255,255,0.5);

  /* Brand — Orange (action, energy, primary CTA) */
  --orange:        #E05C20;
  --orange-hover:  #C94E16;
  --orange-subtle: #FEF1EB;
  --orange-border: #F5CFBA;

  /* Brand — Royal Blue (trust, data, secondary) */
  --blue:        #1B4FD8;
  --blue-hover:  #153FC0;
  --blue-subtle: #EEF2FF;
  --blue-border: #C7D6F8;

  /* Semantic */
  --success:        #16A34A;
  --success-subtle: #F0FDF4;
  --success-border: #BBF7D0;
  --error:          #DC2626;
  --error-subtle:   #FEF2F2;
  --warning:        #D97706;

  /* Borders */
  --border-subtle:  #E6E5DD;
  --border-default: #D4D3CA;
  --border-strong:  #A8A79E;

  /* Typography */
  --font-display: 'Bricolage Grotesque', 'Georgia', serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Menlo', 'Courier New', monospace;

  /* Scale — 8px base grid */
  --s1:  4px;  --s2:  8px;  --s3:  12px; --s4:  16px;
  --s5:  20px; --s6:  24px; --s8:  32px; --s10: 40px;
  --s12: 48px; --s16: 64px; --s20: 80px; --s24: 96px;
  --s32: 128px;

  /* Radius */
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   16px;
  --r-2xl:  20px;
  --r-full: 9999px;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(10,10,8,0.05);
  --shadow-sm: 0 1px 3px rgba(10,10,8,0.07), 0 1px 2px rgba(10,10,8,0.04);
  --shadow-md: 0 4px 12px rgba(10,10,8,0.08), 0 1px 3px rgba(10,10,8,0.05);
  --shadow-lg: 0 10px 28px rgba(10,10,8,0.10), 0 3px 8px rgba(10,10,8,0.06);
  --shadow-xl: 0 20px 56px rgba(10,10,8,0.12), 0 6px 16px rgba(10,10,8,0.07);
  --shadow-product: 0 32px 96px rgba(10,10,8,0.16), 0 8px 24px rgba(10,10,8,0.08);

  /* Motion */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out:    cubic-bezier(0.0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:    120ms;
  --dur-base:    220ms;
  --dur-slow:    380ms;
}

/* ── RESET ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); background: var(--bg-base); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { max-width: 100%; display: block; }

/* ── LAYOUT ────────────────────────────────────────────────────── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 var(--s6); }

/* ── NAVIGATION ─────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: 58px;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border-subtle);
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.nav.scrolled { box-shadow: 0 1px 0 var(--border-subtle), 0 4px 20px rgba(10,10,8,0.06); }
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 var(--s6);
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--s8);
}
.nav-brand { display: flex; align-items: center; gap: var(--s2); flex-shrink: 0; text-decoration: none; }
.nav-logo {
  width: 30px; height: 30px; background: var(--orange); border-radius: 8px;
  position: relative; overflow: hidden; flex-shrink: 0;
}
.nav-logo::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 35% 35%, rgba(255,255,255,0.25), transparent 60%);
}
.nav-logo-rings {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-rings::before {
  content: ''; display: block; width: 9px; height: 9px;
  border: 2px solid rgba(255,255,255,0.95); border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.25);
}
.nav-wordmark {
  font-family: var(--font-display); font-size: 1.0625rem; font-weight: 700;
  letter-spacing: 0; color: var(--text-primary);
}
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  padding: 6px 12px; border-radius: var(--r-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-inset); }
.nav-actions { display: flex; align-items: center; gap: var(--s2); flex-shrink: 0; }
.btn-nav-ghost {
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  padding: 0 var(--s3); height: 34px; border-radius: var(--r-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.btn-nav-ghost:hover { color: var(--text-primary); background: var(--bg-inset); }
.btn-nav-primary {
  font-size: 0.875rem; font-weight: 600; color: white; background: var(--orange);
  padding: 0 var(--s4); height: 34px; border-radius: var(--r-md);
  box-shadow: 0 1px 2px rgba(224,92,32,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: background var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  letter-spacing: 0;
}
.btn-nav-primary:hover {
  background: var(--orange-hover); transform: translateY(-0.5px);
  box-shadow: 0 3px 8px rgba(224,92,32,0.35), inset 0 1px 0 rgba(255,255,255,0.1);
}

/* ── HERO ──────────────────────────────────────────────────────── */
.hero {
  padding-top: 118px; padding-bottom: var(--s24);
  position: relative; overflow: hidden; min-height: 90vh;
  display: flex; align-items: center;
}

/* Grid texture */
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 100%);
  opacity: 0.45;
}

/* Warm glow */
.hero-glow {
  position: absolute; top: -240px; left: 50%; transform: translateX(-50%);
  width: 1000px; height: 700px; pointer-events: none;
  background: radial-gradient(ellipse, rgba(224,92,32,0.08) 0%, transparent 65%);
}

.hero-inner { position: relative; z-index: 1; width: 100%; }
.hero-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s16); align-items: center; }

/* Eyebrow badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: var(--s2);
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--r-full); padding: 5px 12px 5px 8px;
  margin-bottom: var(--s6); box-shadow: var(--shadow-sm);
  animation: badge-in 0.6s var(--ease-spring) both;
}
@keyframes badge-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.badge-pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--success); flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(22,163,74,0.4); animation: pulse-ring 2.5s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(22,163,74,0.4); }
  70%  { box-shadow: 0 0 0 6px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
.badge-text {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500;
  letter-spacing: 0; text-transform: uppercase; color: var(--text-secondary);
}

/* Hero headline */
.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5.5vw, 4.75rem);
  font-weight: 800; line-height: 1.02; letter-spacing: 0;
  color: var(--text-primary); margin-bottom: var(--s5);
  animation: hero-in 0.7s var(--ease-spring) 0.1s both;
}
@keyframes hero-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-h1 em { font-style: normal; color: var(--orange); }
.hero-h1 .word-break { display: block; }

.hero-sub {
  font-size: 1.0625rem; line-height: 1.72; color: var(--text-secondary);
  max-width: 430px; margin-bottom: var(--s8);
  animation: hero-in 0.7s var(--ease-spring) 0.2s both;
}

.hero-actions {
  display: flex; align-items: center; gap: var(--s3); margin-bottom: var(--s8);
  flex-wrap: wrap; animation: hero-in 0.7s var(--ease-spring) 0.3s both;
}
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: 0.9375rem; font-weight: 600; color: white; background: var(--orange);
  padding: 0 var(--s6); height: 46px; border-radius: var(--r-lg); letter-spacing: 0;
  box-shadow: 0 2px 6px rgba(224,92,32,0.35), inset 0 1px 0 rgba(255,255,255,0.12);
  transition: all var(--dur-fast) var(--ease-spring);
}
.btn-hero-primary:hover {
  background: var(--orange-hover); transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(224,92,32,0.4), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-hero-primary:active { transform: translateY(0); box-shadow: 0 2px 6px rgba(224,92,32,0.25); }
.btn-hero-secondary {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: 0.9375rem; font-weight: 500; color: var(--text-primary);
  background: var(--bg-elevated); border: 1px solid var(--border-default);
  padding: 0 var(--s5); height: 46px; border-radius: var(--r-lg); letter-spacing: 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-fast) var(--ease-spring);
}
.btn-hero-secondary:hover {
  background: var(--bg-surface); border-color: var(--border-strong);
  transform: translateY(-1px); box-shadow: var(--shadow-md);
}

.hero-proof {
  display: flex; align-items: center; gap: var(--s3);
  animation: hero-in 0.7s var(--ease-spring) 0.4s both;
}
.proof-avatars { display: flex; }
.proof-avatar {
  width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--bg-base);
  margin-left: -8px; display: flex; align-items: center; justify-content: center;
  font-size: 0.5625rem; font-weight: 700; color: white; flex-shrink: 0;
}
.proof-avatar:first-child { margin-left: 0; }
.proof-text { font-size: 0.8125rem; color: var(--text-secondary); }
.proof-text strong { color: var(--text-primary); font-weight: 600; }

/* ── PRODUCT MOCKUP ─────────────────────────────────────────────── */
.hero-mockup {
  position: relative;
  animation: mockup-in 0.9s var(--ease-spring) 0.25s both;
}
@keyframes mockup-in {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Floating metric chips */
.chip {
  position: absolute; background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--r-full); padding: var(--s2) var(--s3); box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: var(--s2); z-index: 10; white-space: nowrap;
}
.chip-a { top: -16px; right: 32px; animation: chip-bob 5s ease-in-out infinite; }
.chip-b { bottom: 72px; right: -28px; animation: chip-bob 4.5s ease-in-out 1s infinite; }
.chip-c { bottom: -14px; left: 32px; animation: chip-bob 5.5s ease-in-out 0.5s infinite; }
@keyframes chip-bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-5px)} }
.chip-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.chip-content { display: flex; flex-direction: column; gap: 1px; }
.chip-label { font-size: 0.6875rem; font-weight: 600; color: var(--text-primary); line-height: 1; }
.chip-sub { font-family: var(--font-mono); font-size: 0.5625rem; color: var(--text-tertiary); line-height: 1; }

/* The app window */
.app-window {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl); box-shadow: var(--shadow-product); overflow: hidden;
  animation: window-float 7s ease-in-out infinite;
}
@keyframes window-float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

.app-titlebar {
  height: 38px; background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; padding: 0 var(--s4); gap: var(--s4);
}
.tbar-dots { display: flex; gap: 5px; }
.tbar-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r{background:#FF5F57} .dot-y{background:#FFBD2E} .dot-g{background:#28C840}
.tbar-url {
  flex: 1; max-width: 260px; margin: 0 auto;
  background: var(--bg-inset); border: 1px solid var(--border-subtle);
  border-radius: 5px; height: 22px; display: flex; align-items: center;
  padding: 0 var(--s2); gap: 5px;
}
.tbar-lock { width: 7px; height: 7px; border: 1.5px solid var(--text-tertiary); border-radius: 50%; }
.tbar-url-text { font-family: var(--font-mono); font-size: 0.5625rem; color: var(--text-tertiary); }

.app-body { display: grid; grid-template-columns: 188px 1fr; }

/* Sidebar */
.app-sidebar {
  background: var(--bg-surface); border-right: 1px solid var(--border-subtle);
  padding: var(--s3) var(--s2); display: flex; flex-direction: column; gap: 2px;
}
.sb-label {
  font-family: var(--font-mono); font-size: 0.5rem; font-weight: 500;
  letter-spacing: 0; text-transform: uppercase; color: var(--text-tertiary);
  padding: var(--s2) var(--s2) var(--s1); margin-top: var(--s2);
}
.sb-item {
  display: flex; align-items: center; gap: var(--s2);
  padding: 6px 8px; border-radius: var(--r-sm);
  font-size: 0.6875rem; font-weight: 500; color: var(--text-secondary); cursor: pointer;
  transition: background var(--dur-fast);
}
.sb-item:hover { background: var(--bg-inset); color: var(--text-primary); }
.sb-item.active {
  background: var(--bg-elevated); color: var(--text-primary);
  box-shadow: var(--shadow-xs); border: 1px solid var(--border-subtle);
}
.sb-icon {
  width: 14px; height: 14px; border-radius: 3px; flex-shrink: 0;
  background: currentColor; opacity: 0.12;
}
.sb-item.active .sb-icon { opacity: 0.2; }
.sb-badge {
  margin-left: auto; font-size: 0.5rem; font-weight: 700; color: white;
  background: var(--orange); border-radius: var(--r-full);
  padding: 1px 5px; min-width: 16px; text-align: center; line-height: 14px; height: 14px;
}
.sb-badge.blue { background: var(--blue); }

/* App main */
.app-main { padding: var(--s3); display: flex; flex-direction: column; gap: var(--s3); overflow: hidden; }
.app-header { display: flex; align-items: center; justify-content: space-between; }
.app-title {
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: 0;
}
.app-btns { display: flex; gap: var(--s1); }
.app-btn {
  height: 26px; padding: 0 var(--s3); border-radius: 5px;
  font-family: var(--font-body); font-size: 0.625rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 3px; cursor: pointer; transition: background var(--dur-fast);
}
.app-btn-ghost {
  color: var(--text-secondary); background: var(--bg-surface); border: 1px solid var(--border-subtle);
}
.app-btn-ghost:hover { background: var(--bg-inset); }
.app-btn-primary { color: white; background: var(--orange); border: none; }
.app-btn-primary:hover { background: var(--orange-hover); }

/* Stats row */
.app-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s2); }
.app-stat {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--r-md); padding: 10px 12px;
}
.stat-val {
  font-family: var(--font-display); font-size: 1.375rem; font-weight: 800;
  color: var(--text-primary); letter-spacing: 0; line-height: 1;
}
.stat-label {
  font-family: var(--font-mono); font-size: 0.5rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0; color: var(--text-tertiary); margin-top: 2px;
}
.stat-delta { font-size: 0.5625rem; font-weight: 600; margin-top: 2px; }
.delta-green { color: var(--success); }
.delta-blue  { color: var(--blue); }
.delta-orange{ color: var(--orange); }

/* Table */
.app-table { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-md); overflow: hidden; }
.table-head {
  display: grid; grid-template-columns: 18px 1fr 90px 70px 60px;
  gap: var(--s2); padding: 7px 12px; border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}
.th { font-family: var(--font-mono); font-size: 0.5rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0; color: var(--text-tertiary); }
.table-row {
  display: grid; grid-template-columns: 18px 1fr 90px 70px 60px;
  gap: var(--s2); padding: 7px 12px; border-bottom: 1px solid var(--border-subtle);
  align-items: center; transition: background var(--dur-fast);
}
.table-row:last-child { border-bottom: none; }
.table-row:hover { background: var(--bg-elevated); }
.chk {
  width: 12px; height: 12px; border: 1.5px solid var(--border-default); border-radius: 3px; flex-shrink: 0;
}
.chk.on { background: var(--orange); border-color: var(--orange); position: relative; }
.chk.on::after {
  content: ''; position: absolute; top: 1.5px; left: 3px;
  width: 4px; height: 6px; border: 1.5px solid white; border-top: none; border-left: none;
  transform: rotate(45deg);
}
.row-contact { display: flex; align-items: center; gap: var(--s2); min-width: 0; }
.c-avatar {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  font-size: 0.4375rem; font-weight: 800; color: white;
  display: flex; align-items: center; justify-content: center;
}
.c-name { font-size: 0.6875rem; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.c-email { font-family: var(--font-mono); font-size: 0.5rem; color: var(--text-tertiary); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.td-co { font-size: 0.625rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.td-date { font-family: var(--font-mono); font-size: 0.5rem; color: var(--text-tertiary); }
.pill {
  display: inline-flex; align-items: center; gap: 3px;
  font-family: var(--font-mono); font-size: 0.4375rem; font-weight: 700;
  padding: 2px 6px; border-radius: 3px; text-transform: uppercase; letter-spacing: 0;
  white-space: nowrap;
}
.pill::before { content: ''; width: 4px; height: 4px; border-radius: 50%; flex-shrink: 0; }
.pill-warm   { background: var(--orange-subtle); color: var(--orange); }
.pill-warm::before { background: var(--orange); }
.pill-replied{ background: var(--success-subtle); color: var(--success); }
.pill-replied::before { background: var(--success); }
.pill-sent   { background: var(--blue-subtle); color: var(--blue); }
.pill-sent::before { background: var(--blue); }
.pill-cold   { background: var(--bg-inset); color: var(--text-tertiary); }
.pill-cold::before { background: var(--text-tertiary); }

/* ── VALUE STRIP ───────────────────────────────────────────────── */
.value-strip {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.value-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.value-cell {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: var(--s10) var(--s5); border-right: 1px solid var(--border-subtle);
  transition: background var(--dur-base);
}
.value-cell:last-child { border-right: none; }
.value-cell:hover { background: var(--bg-surface); }
.v-icon {
  width: 42px; height: 42px; border-radius: var(--r-md); background: var(--bg-base);
  border: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; margin-bottom: var(--s3); box-shadow: var(--shadow-xs);
}
.v-title {
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: 0; margin-bottom: var(--s1);
}
.v-desc { font-size: 0.75rem; color: var(--text-tertiary); line-height: 1.5; max-width: 130px; }

/* ── SECTION CHROME ─────────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: var(--s16); }
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: 4px 12px; border-radius: var(--r-full); margin-bottom: var(--s4);
}
.eyebrow-orange { background: var(--orange-subtle); border: 1px solid var(--orange-border); }
.eyebrow-blue   { background: var(--blue-subtle);   border: 1px solid var(--blue-border);   }
.eyebrow-text {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500;
  letter-spacing: 0; text-transform: uppercase;
}
.eyebrow-orange .eyebrow-text { color: var(--orange); }
.eyebrow-blue   .eyebrow-text { color: var(--blue);   }
.section-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 3.5vw, 2.875rem);
  font-weight: 800; letter-spacing: 0; line-height: 1.08;
  color: var(--text-primary); margin-bottom: var(--s4);
}
.section-desc {
  font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.7;
  max-width: 500px; margin: 0 auto;
}
.section-h2-inv { color: white; }
.section-desc-inv { color: var(--text-dim); }

/* ── WORKFLOW ──────────────────────────────────────────────────── */
.workflow { padding: var(--s24) 0; }
.steps-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0;
  position: relative;
}
.steps-grid::before {
  content: ''; position: absolute;
  top: 36px; left: calc(8.333%); right: calc(8.333%);
  height: 1px; background: linear-gradient(90deg, transparent, var(--border-default) 10%, var(--border-default) 90%, transparent);
  z-index: 0;
}
.step-col {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 0 var(--s2); position: relative; z-index: 1;
  cursor: default;
}
.step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg-elevated); border: 2px solid var(--border-default);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 700;
  color: var(--text-tertiary); margin-bottom: var(--s4); z-index: 1;
  transition: all var(--dur-base) var(--ease-spring);
}
.step-col:hover .step-num {
  background: var(--orange); border-color: var(--orange); color: white;
  box-shadow: 0 0 0 4px var(--orange-subtle);
}
.step-card {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg); padding: var(--s3); width: 100%;
  box-shadow: var(--shadow-sm); min-height: 86px;
  display: flex; flex-direction: column; gap: var(--s2);
  transition: box-shadow var(--dur-base), border-color var(--dur-base);
  margin-bottom: var(--s3);
}
.step-col:hover .step-card { box-shadow: var(--shadow-md); border-color: var(--border-default); }
.step-card-head { display: flex; align-items: center; gap: var(--s2); }
.step-card-ico {
  width: 18px; height: 18px; border-radius: 4px; flex-shrink: 0;
  background: var(--orange-subtle); border: 1px solid var(--orange-border);
  display: flex; align-items: center; justify-content: center; font-size: 0.625rem;
}
.step-card-ttl { font-size: 0.5625rem; font-weight: 700; color: var(--text-primary); text-align: left; letter-spacing: 0; }
.step-title { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; color: var(--text-primary); letter-spacing: 0; margin-bottom: 2px; }
.step-desc { font-size: 0.625rem; color: var(--text-tertiary); line-height: 1.5; }

/* step card content snippets */
.step-row { display: flex; gap: 3px; align-items: center; }
.step-bar { height: 10px; border-radius: 2px; background: var(--bg-inset); border: 1px solid var(--border-subtle); }
.step-bar.active { background: var(--blue-subtle); border-color: var(--blue-border); }
.step-live { padding: 3px 5px; border-radius: 3px; font-size: 0.4375rem; font-weight: 700; display: flex; justify-content: space-between; align-items: center; margin-bottom: 3px; }
.step-live.ok { background: var(--success-subtle); border: 1px solid var(--success-border); color: var(--success); }
.step-live.ok2 { background: var(--blue-subtle); border: 1px solid var(--blue-border); color: var(--blue); }
.progress-bar { height: 5px; border-radius: 3px; background: var(--bg-inset); overflow: hidden; }
.progress-fill { height: 100%; width: 75%; background: linear-gradient(90deg, var(--success), #22C55E); border-radius: 3px; }
.mini-pill { display: inline-flex; align-items: center; gap: 2px; font-family: var(--font-mono); font-size: 0.4rem; font-weight: 700; padding: 2px 5px; border-radius: 2px; text-transform: uppercase; }
.mini-pill::before { content: ''; width: 3px; height: 3px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

/* ── COMPARISON ────────────────────────────────────────────────── */
.comparison {
  padding: var(--s24) 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); margin-top: var(--s12); }
.compare-card { border-radius: var(--r-2xl); padding: var(--s8); border: 1px solid var(--border-subtle); }
.compare-card.heavy { background: var(--bg-elevated); }
.compare-card.sonar { background: var(--bg-elevated); border-color: var(--orange-border); box-shadow: 0 0 0 1px var(--orange-border), var(--shadow-md); }
.compare-lbl {
  display: inline-flex; align-items: center; gap: var(--s2);
  padding: 4px 10px; border-radius: var(--r-full); margin-bottom: var(--s5);
  font-family: var(--font-mono); font-size: 0.5625rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0;
}
.lbl-heavy { background: var(--bg-inset); color: var(--text-tertiary); border: 1px solid var(--border-subtle); }
.lbl-sonar { background: var(--orange-subtle); color: var(--orange); border: 1px solid var(--orange-border); }
.compare-h3 {
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: 0; margin-bottom: var(--s5);
}
.compare-rows { display: flex; flex-direction: column; gap: var(--s2); }
.compare-row {
  display: flex; align-items: flex-start; gap: var(--s3); padding: var(--s3);
  border-radius: var(--r-md); border: 1px solid var(--border-subtle);
}
.heavy .compare-row { background: var(--bg-surface); }
.sonar .compare-row { background: var(--orange-subtle); border-color: transparent; }
.row-ico {
  width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; font-size: 0.625rem; font-weight: 800; margin-top: 1px;
}
.ico-x { background: var(--error-subtle); color: var(--error); }
.ico-ok{ background: var(--success-subtle); color: var(--success); }
.row-copy { font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.55; }
.row-copy strong { display: block; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }

/* ── PERSONAS ──────────────────────────────────────────────────── */
.personas { padding: var(--s24) 0; }
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s4); margin-top: var(--s12); }
.persona-card {
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl); padding: var(--s6); box-shadow: var(--shadow-sm);
  transition: all var(--dur-base) var(--ease-spring); cursor: default;
}
.persona-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border-default);
}
.p-icon {
  width: 44px; height: 44px; border-radius: var(--r-md); border: 1px solid var(--border-subtle);
  background: var(--bg-surface); display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: var(--s4);
}
.p-title { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 700; color: var(--text-primary); letter-spacing: 0; margin-bottom: var(--s2); }
.p-desc { font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: var(--s4); }
.p-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.p-tag {
  font-family: var(--font-mono); font-size: 0.5625rem; font-weight: 600;
  letter-spacing: 0; text-transform: uppercase; padding: 3px 7px; border-radius: 3px;
  background: var(--blue-subtle); color: var(--blue); border: 1px solid var(--blue-border);
}

/* ── DELIVERABILITY (dark section) ─────────────────────────────── */
.deliver {
  padding: var(--s24) 0;
  background: var(--bg-dark);
  position: relative; overflow: hidden;
}
.deliver::before {
  content: ''; position: absolute; top: -300px; right: -200px;
  width: 700px; height: 700px; pointer-events: none;
  background: radial-gradient(ellipse, rgba(27,79,216,0.14) 0%, transparent 65%);
}
.deliver::after {
  content: ''; position: absolute; bottom: -300px; left: -100px;
  width: 600px; height: 600px; pointer-events: none;
  background: radial-gradient(ellipse, rgba(224,92,32,0.1) 0%, transparent 65%);
}
.deliver-inner { position: relative; z-index: 1; }
.deliver-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s3); margin-top: var(--s12); }
.d-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-2xl); padding: var(--s6);
  transition: all var(--dur-base) var(--ease-spring);
}
.d-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.13); transform: translateY(-3px); }
.d-icon {
  width: 42px; height: 42px; border-radius: var(--r-md);
  background: rgba(224,92,32,0.14); border: 1px solid rgba(224,92,32,0.22);
  display: flex; align-items: center; justify-content: center; font-size: 1.125rem;
  margin-bottom: var(--s4);
}
.d-title { font-family: var(--font-display); font-size: 0.9375rem; font-weight: 700; color: white; letter-spacing: 0; margin-bottom: var(--s2); }
.d-desc { font-size: 0.8125rem; color: rgba(255,255,255,0.48); line-height: 1.6; }
.d-signal { margin-top: var(--s4); display: flex; align-items: center; gap: var(--s2); }
.d-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--success); flex-shrink: 0;
  animation: pulse-ring 2.5s ease-in-out infinite;
}
.d-sig-text { font-family: var(--font-mono); font-size: 0.5625rem; font-weight: 500; color: var(--success); text-transform: uppercase; letter-spacing: 0; }

/* ── MAILBOX PROVIDERS (inside dark section) ──────────────────── */
.providers-row { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s3); margin-top: var(--s12); }
.provider-tile {
  display: flex; align-items: center; gap: var(--s3);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg); padding: var(--s3) var(--s5);
  transition: all var(--dur-base);
}
.provider-tile:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.16); }
.prov-dot { width: 10px; height: 10px; border-radius: 50%; }
.prov-label { font-size: 0.875rem; font-weight: 500; color: rgba(255,255,255,0.8); }
.prov-badge { font-family: var(--font-mono); font-size: 0.5625rem; color: var(--success); margin-left: var(--s1); }

/* ── CTA ───────────────────────────────────────────────────────── */
.cta-section { padding: var(--s24) 0; text-align: center; }
.cta-wrap { max-width: 600px; margin: 0 auto; }
.cta-badge {
  display: inline-flex; align-items: center; gap: var(--s2); padding: 5px 14px;
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--r-full); margin-bottom: var(--s6);
}
.cta-badge-text { font-family: var(--font-mono); font-size: 0.625rem; font-weight: 500; letter-spacing: 0; text-transform: uppercase; color: var(--text-tertiary); }
.cta-h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800; letter-spacing: 0; line-height: 1.06;
  color: var(--text-primary); margin-bottom: var(--s4);
}
.cta-h2 span { color: var(--orange); }
.cta-desc { font-size: 1rem; color: var(--text-secondary); line-height: 1.68; margin-bottom: var(--s8); }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: var(--s3); flex-wrap: wrap; }
.btn-cta-p {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: 1rem; font-weight: 600; color: white; background: var(--orange);
  padding: 0 var(--s8); height: 50px; border-radius: var(--r-lg); letter-spacing: 0;
  box-shadow: 0 2px 8px rgba(224,92,32,0.35), inset 0 1px 0 rgba(255,255,255,0.12);
  transition: all var(--dur-fast) var(--ease-spring);
}
.btn-cta-p:hover {
  background: var(--orange-hover); transform: translateY(-1.5px);
  box-shadow: 0 8px 24px rgba(224,92,32,0.4), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-cta-s {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: 1rem; font-weight: 500; color: var(--text-primary);
  background: var(--bg-elevated); border: 1px solid var(--border-default);
  padding: 0 var(--s6); height: 50px; border-radius: var(--r-lg); letter-spacing: 0;
  box-shadow: var(--shadow-sm); transition: all var(--dur-fast) var(--ease-spring);
}
.btn-cta-s:hover { background: var(--bg-surface); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.cta-note { margin-top: var(--s4); font-size: 0.8125rem; color: var(--text-tertiary); }

/* ── FOOTER ────────────────────────────────────────────────────── */
.footer { background: var(--bg-surface); border-top: 1px solid var(--border-subtle); padding: var(--s16) 0 var(--s8); }
.footer-top { display: grid; grid-template-columns: 220px 1fr 1fr 1fr 1fr; gap: var(--s8); margin-bottom: var(--s12); }
.footer-brand { display: flex; flex-direction: column; gap: var(--s4); }
.footer-logo-row { display: flex; align-items: center; gap: var(--s2); }
.footer-tagline { font-size: 0.8125rem; color: var(--text-tertiary); line-height: 1.6; max-width: 210px; }
.footer-subline { font-family: var(--font-mono); font-size: 0.5625rem; font-weight: 500; letter-spacing: 0; text-transform: uppercase; color: var(--border-strong); }
.footer-socials { display: flex; align-items: center; gap: var(--s2); }
.footer-socials a {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast);
}
.footer-socials a:hover {
  transform: translateY(-1px);
  color: var(--orange);
  border-color: rgba(224,92,32,.32);
  box-shadow: var(--shadow-sm);
}
.footer-col-h { font-family: var(--font-display); font-size: 0.8125rem; font-weight: 700; color: var(--text-primary); letter-spacing: 0; margin-bottom: var(--s4); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: var(--s2); }
.footer-links a { font-size: 0.8125rem; color: var(--text-tertiary); transition: color var(--dur-fast); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--s6); border-top: 1px solid var(--border-subtle); flex-wrap: wrap; gap: var(--s4);
}
.footer-copy { font-size: 0.75rem; color: var(--text-tertiary); }
.footer-legals { display: flex; gap: var(--s4); }
.footer-legals a { font-size: 0.75rem; color: var(--text-tertiary); transition: color var(--dur-fast); }
.footer-legals a:hover { color: var(--text-primary); }

/* ── SCROLL REVEAL ─────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s var(--ease-spring), transform 0.55s var(--ease-spring); }
.reveal.in { opacity: 1; transform: none; }
.d1{transition-delay:.08s} .d2{transition-delay:.16s} .d3{transition-delay:.24s}
.d4{transition-delay:.32s} .d5{transition-delay:.40s} .d6{transition-delay:.48s}

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media(max-width:1024px){
  .hero-layout{grid-template-columns:1fr;gap:var(--s12)}
  .app-window{max-width:580px;margin:0 auto}
  .steps-grid{grid-template-columns:repeat(3,1fr);gap:var(--s6)}
  .steps-grid::before{display:none}
  .compare-grid{grid-template-columns:1fr}
  .persona-grid{grid-template-columns:repeat(2,1fr)}
  .deliver-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:var(--s6)}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hero{padding-top:96px;min-height:auto}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .value-cell:nth-child(even){border-right:none}
  .value-cell:nth-child(5){grid-column:1/-1;border-right:none}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:var(--s4)}
  .persona-grid{grid-template-columns:1fr}
  .deliver-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .hero-actions{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  .deliver-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .app-stats{grid-template-columns:repeat(2,1fr)}
}


/* ================================================================
   SONAR PUBLIC EXTENSIONS — Marketing + Documentation Pages
   ================================================================ */
.nav-logo { overflow: hidden; }
.nav-logo-img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; display: block; }
.nav-actions a { display: inline-flex; align-items: center; justify-content: center; }
.btn-nav-ghost, .btn-nav-primary { text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.page-hero { position: relative; padding: calc(var(--s24) + 24px) 0 var(--s16); overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 18% 16%, rgba(224,92,32,.10), transparent 32%), radial-gradient(circle at 86% 4%, rgba(27,79,216,.10), transparent 34%); pointer-events: none; }
.page-hero-inner { position: relative; z-index: 1; max-width: 850px; }
.page-hero.center .page-hero-inner { margin: 0 auto; text-align: center; }
.page-eyebrow { display: inline-flex; align-items: center; gap: var(--s2); height: 34px; padding: 0 var(--s4); border: 1px solid var(--border-subtle); border-radius: var(--r-full); background: var(--bg-elevated); color: var(--orange); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0; box-shadow: var(--shadow-sm); }
.page-title { margin-top: var(--s5); font-family: var(--font-display); font-size: clamp(44px, 7vw, 88px); line-height: .94; font-weight: 800; letter-spacing: 0; color: var(--text-primary); }
.page-subtitle { max-width: 680px; margin-top: var(--s6); color: var(--text-secondary); font-size: clamp(17px, 2vw, 21px); line-height: 1.65; }
.page-hero.center .page-subtitle { margin-left: auto; margin-right: auto; }
.page-actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s8); }
.page-hero.center .page-actions { justify-content: center; }

.section { padding: var(--s20) 0; }
.section.tight { padding: var(--s16) 0; }
.section.dark { background: var(--bg-dark); color: var(--text-inverse); }
.section.surface { background: var(--bg-surface); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.section-head { max-width: 760px; margin-bottom: var(--s10); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { color: var(--orange); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0; margin-bottom: var(--s3); }
.section-title { font-family: var(--font-display); font-size: clamp(32px, 4vw, 54px); line-height: 1; font-weight: 800; letter-spacing: 0; }
.section-desc { margin-top: var(--s4); color: var(--text-secondary); font-size: 18px; line-height: 1.7; }
.section.dark .section-desc { color: var(--text-dim); }

.grid { display: grid; gap: var(--s5); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: var(--bg-elevated); box-shadow: var(--shadow-sm); padding: var(--s6); }
.card.rich { box-shadow: var(--shadow-lg); }
.card.dark { background: #151411; border-color: rgba(255,255,255,.10); color: var(--text-inverse); }
.card h3 { font-family: var(--font-display); font-size: 24px; line-height: 1.05; font-weight: 700; letter-spacing: 0; margin-bottom: var(--s3); }
.card p, .card li { color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
.card.dark p, .card.dark li { color: var(--text-dim); }
.icon-tile { width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--r-lg); background: var(--orange-subtle); color: var(--orange); margin-bottom: var(--s5); font-weight: 800; }
.icon-tile.blue { background: var(--blue-subtle); color: var(--blue); }
.clean-list { list-style: none; display: grid; gap: var(--s3); margin-top: var(--s5); padding: 0; }
.clean-list li { display: flex; align-items: flex-start; gap: var(--s3); }
.clean-list li::before { content: ''; width: 8px; height: 8px; border-radius: var(--r-full); background: var(--orange); margin-top: 9px; flex: 0 0 auto; }

.feature-band { display: grid; grid-template-columns: minmax(0, .86fr) minmax(320px, .72fr); gap: var(--s10); align-items: center; padding: var(--s8); margin-bottom: var(--s6); border: 1px solid var(--border-subtle); border-radius: var(--r-2xl); background: var(--bg-elevated); box-shadow: var(--shadow-md); }
.feature-band.reverse { grid-template-columns: minmax(320px, .72fr) minmax(0, .86fr); }
.feature-band.reverse .feature-copy { order: 2; }
.feature-band.reverse .mini-panel { order: 1; }
.feature-copy h2 { font-family: var(--font-display); font-size: clamp(30px, 3.6vw, 48px); line-height: 1; font-weight: 800; letter-spacing: 0; margin-bottom: var(--s4); }
.feature-copy p { color: var(--text-secondary); font-size: 17px; line-height: 1.7; }
.mini-panel { border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: linear-gradient(180deg, #fff, #f8f7f1); padding: var(--s5); }
.mini-stack { display: grid; gap: var(--s3); }
.mini-row { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); padding: var(--s4); border: 1px solid var(--border-subtle); border-radius: var(--r-lg); background: var(--bg-elevated); box-shadow: var(--shadow-xs); }
.mini-row strong { font-size: 14px; }
.mini-row span { color: var(--text-tertiary); font-size: 12px; }
.pill { display: inline-flex; align-items: center; height: 26px; padding: 0 var(--s3); border-radius: var(--r-full); background: var(--bg-inset); color: var(--text-secondary); font-size: 12px; font-weight: 700; white-space: nowrap; }
.pill.orange { background: var(--orange-subtle); color: var(--orange); }
.pill.blue { background: var(--blue-subtle); color: var(--blue); }
.pill.green { background: var(--success-subtle); color: var(--success); }
.progress-track { height: 8px; border-radius: var(--r-full); background: var(--bg-inset); overflow: hidden; margin-top: var(--s3); }
.progress-fill { display: block; height: 100%; width: 68%; border-radius: inherit; background: linear-gradient(90deg, var(--orange), var(--blue)); }

.process { display: grid; gap: var(--s5); }
.process-step { display: grid; grid-template-columns: 56px minmax(0, .82fr) minmax(280px, .64fr); gap: var(--s5); align-items: center; padding: var(--s6); border: 1px solid var(--border-subtle); border-radius: var(--r-2xl); background: var(--bg-elevated); box-shadow: var(--shadow-sm); }
.step-num { width: 52px; height: 52px; display: grid; place-items: center; border-radius: var(--r-lg); background: var(--bg-dark); color: var(--text-inverse); font-family: var(--font-mono); font-size: 14px; }
.process-step h3 { font-family: var(--font-display); font-size: 28px; line-height: 1; letter-spacing: 0; }
.process-step p { margin-top: var(--s2); color: var(--text-secondary); line-height: 1.65; }

.pricing-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s4); }
.price-card { display: flex; flex-direction: column; min-height: 520px; padding: var(--s6); border: 1px solid var(--border-subtle); border-radius: var(--r-2xl); background: var(--bg-elevated); box-shadow: var(--shadow-sm); }
.price-card.featured { border-color: var(--orange-border); box-shadow: 0 20px 60px rgba(224,92,32,.14); transform: translateY(-8px); }
.price-label { display: inline-flex; width: fit-content; padding: var(--s1) var(--s3); border-radius: var(--r-full); background: var(--orange-subtle); color: var(--orange); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0; }
.price-value { margin: var(--s5) 0 var(--s2); font-family: var(--font-display); font-size: 42px; line-height: 1; font-weight: 800; letter-spacing: 0; }
.price-card .btn-hero-primary, .price-card .btn-hero-secondary { margin-top: auto; justify-content: center; }
.table-wrap { overflow-x: auto; }
.compare-table { width: 100%; min-width: 820px; border-collapse: collapse; border: 1px solid var(--border-subtle); border-radius: var(--r-xl); overflow: hidden; background: var(--bg-elevated); box-shadow: var(--shadow-sm); }
.compare-table th, .compare-table td { padding: var(--s4); border: 1px solid var(--border-subtle); text-align: left; vertical-align: top; font-size: 14px; }
.compare-table th { background: var(--bg-surface); font-weight: 800; }

.faq-layout, .legal-layout, .docs-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: var(--s8); }
.side-nav { position: sticky; top: 96px; align-self: start; padding: var(--s4); border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: var(--bg-elevated); box-shadow: var(--shadow-sm); }
.side-nav strong { display: block; color: var(--text-tertiary); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0; margin-bottom: var(--s2); }
.side-nav a { display: block; padding: var(--s3); border-radius: var(--r-md); color: var(--text-secondary); font-size: 14px; font-weight: 700; }
.side-nav a:hover, .side-nav a.active { background: var(--orange-subtle); color: var(--orange); }
.faq-stack, .legal-stack, .docs-stack { display: grid; gap: var(--s4); }
.faq-group { scroll-margin-top: 110px; }
.faq-group h2 { font-family: var(--font-display); font-size: 32px; line-height: 1; margin-bottom: var(--s4); letter-spacing: 0; }
details.faq-item { border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: var(--bg-elevated); box-shadow: var(--shadow-xs); overflow: hidden; }
details.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: var(--s4); padding: var(--s5); font-weight: 800; cursor: pointer; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: '+'; width: 28px; height: 28px; display: grid; place-items: center; border-radius: var(--r-full); background: var(--orange-subtle); color: var(--orange); flex: 0 0 auto; }
details.faq-item[open] summary::after { content: '-'; }
details.faq-item p { padding: 0 var(--s5) var(--s5); color: var(--text-secondary); line-height: 1.7; }
.legal-card, .docs-card, .doc-section { padding: var(--s6); border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: var(--bg-elevated); box-shadow: var(--shadow-sm); }
.legal-card h2, .docs-card h2, .doc-section h2 { font-family: var(--font-display); font-size: 32px; line-height: 1; letter-spacing: 0; margin-bottom: var(--s3); }
.legal-card p, .legal-card li, .docs-card p, .docs-card li, .doc-section p, .doc-section li { color: var(--text-secondary); line-height: 1.72; }
.doc-list { margin-top: var(--s4); padding-left: var(--s5); }
.doc-list li { margin-bottom: var(--s2); }
.docs-hub-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--s4); }
.docs-hub-card { min-height: 210px; padding: var(--s6); border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: var(--bg-elevated); box-shadow: var(--shadow-sm); transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base) var(--ease-out); }
.docs-hub-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.docs-hub-card h3 { margin-top: var(--s4); font-family: var(--font-display); font-size: 24px; line-height: 1; letter-spacing: 0; }
.docs-hub-card p { margin-top: var(--s3); color: var(--text-secondary); font-size: 15px; line-height: 1.65; }
.docs-next-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--s4); }
.docs-next-card { display: flex; justify-content: space-between; gap: var(--s4); padding: var(--s5); border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: var(--bg-surface); font-weight: 800; }
.docs-next-card span { display: block; margin-top: var(--s1); color: var(--text-secondary); font-size: 13px; font-weight: 500; }
.code-list { display: grid; gap: var(--s2); margin-top: var(--s4); }
.code-list code { display: block; overflow-x: auto; padding: var(--s3) var(--s4); border-radius: var(--r-md); background: var(--bg-dark); color: var(--text-inverse); font-family: var(--font-mono); font-size: 13px; }
.docs-search-panel { margin: 0 0 var(--s6); padding: var(--s5); border: 1px solid var(--border-subtle); border-radius: var(--r-xl); background: radial-gradient(circle at 12% 14%, rgba(255, 92, 0, 0.08), transparent 30%), radial-gradient(circle at 88% 18%, rgba(0, 85, 255, 0.08), transparent 34%), var(--bg-elevated); box-shadow: var(--shadow-sm); display: grid; grid-template-columns: minmax(0, .9fr) minmax(280px, 1.1fr); gap: var(--s4); align-items: start; }
.docs-search-panel-wide { grid-column: 1 / -1; }
.docs-search-copy h2 { margin: var(--s2) 0 var(--s2); font-family: var(--font-display); font-size: clamp(28px, 3vw, 42px); line-height: 1; letter-spacing: 0; }
.docs-search-copy p { color: var(--text-secondary); line-height: 1.7; }
.docs-search-input { display: grid; gap: var(--s2); }
.docs-search-input span { color: var(--text-tertiary); font-size: 11px; font-weight: 900; text-transform: uppercase; }
.docs-search-input input { width: 100%; min-height: 52px; border: 1px solid var(--border-subtle); border-radius: var(--r-lg); background: var(--bg-surface); color: var(--text-primary); padding: 0 var(--s4); font: 700 15px var(--font-body); outline: none; }
.docs-search-input input:focus { border-color: rgba(255, 92, 0, 0.52); box-shadow: 0 0 0 4px rgba(255, 92, 0, 0.1); }
.docs-search-results { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3); }
.docs-search-result, .docs-search-empty { border: 1px solid var(--border-subtle); border-radius: var(--r-lg); background: var(--bg-surface); padding: var(--s4); }
.docs-search-result { display: grid; gap: var(--s2); transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.docs-search-result:hover { border-color: rgba(255, 92, 0, 0.3); transform: translateY(-1px); }
.docs-search-result strong { color: var(--text-primary); font-weight: 900; }
.docs-search-result span, .docs-search-empty { color: var(--text-secondary); font-size: 14px; line-height: 1.55; }
.callout, .note-card { padding: var(--s5); border: 1px solid var(--orange-border); border-radius: var(--r-xl); background: var(--orange-subtle); }
.contact-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(320px, .52fr); gap: var(--s6); }
.contact-form { display: grid; gap: var(--s4); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--s4); }
.form-row { display: grid; gap: var(--s2); }
.form-row label { font-size: 13px; font-weight: 800; }
.form-row input, .form-row select, .form-row textarea { width: 100%; border: 1px solid var(--border-subtle); border-radius: var(--r-lg); background: var(--bg-base); padding: var(--s4); color: var(--text-primary); font-family: var(--font-body); outline: none; }
.form-row textarea { min-height: 160px; resize: vertical; }

@media (max-width: 980px) {
  .feature-band, .feature-band.reverse, .process-step, .faq-layout, .legal-layout, .docs-layout, .contact-layout { grid-template-columns: 1fr; }
  .feature-band.reverse .feature-copy, .feature-band.reverse .mini-panel { order: initial; }
  .pricing-grid, .docs-hub-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .docs-search-panel { grid-template-columns: 1fr; }
  .side-nav { position: static; }
}
@media (max-width: 640px) {
  .page-title { font-size: clamp(40px, 14vw, 62px); }
  .grid.two, .grid.three, .grid.four, .pricing-grid, .docs-hub-grid, .docs-next-grid, .form-grid, .docs-search-results { grid-template-columns: 1fr; }
  .page-actions { flex-direction: column; align-items: stretch; }
  .page-actions a, .page-actions button { width: 100%; }
  .price-card.featured { transform: none; }
}

/* Public shell: search + theme controls */
.nav-actions {
  gap: var(--s2);
}

.public-search-trigger,
.theme-toggle {
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-xs);
  transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast);
}

.public-search-trigger {
  min-width: 154px;
  gap: var(--s2);
  padding: 0 var(--s3);
  font-size: 0.82rem;
  font-weight: 700;
}

.public-search-trigger kbd {
  min-width: 22px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  background: var(--bg-inset);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.search-glyph,
.theme-glyph {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1;
}

.theme-toggle {
  width: 38px;
  padding: 0;
}

.public-search-trigger:hover,
.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-default);
  background: var(--bg-surface);
  transform: translateY(-1px);
}

.public-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 84px var(--s4) var(--s4);
  background: rgba(10, 10, 8, 0.38);
  backdrop-filter: blur(16px);
}

.public-search-overlay.is-open {
  display: flex;
}

.public-search-panel {
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 110px));
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
  box-shadow: var(--shadow-product);
}

.public-search-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s4);
  padding: var(--s6) var(--s6) var(--s4);
  border-bottom: 1px solid var(--border-subtle);
}

.public-search-kicker {
  display: block;
  margin-bottom: var(--s2);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.public-search-head h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
}

.public-search-close {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 18px;
  font-weight: 800;
}

.public-search-input-wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s3);
  margin: var(--s5) var(--s6) var(--s3);
  padding: var(--s3) var(--s4);
  border: 1px solid var(--border-default);
  border-radius: var(--r-xl);
  background: var(--bg-base);
}

.public-search-input-wrap span {
  color: var(--text-tertiary);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.public-search-input-wrap input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
}

.public-search-input-wrap input::placeholder {
  color: var(--text-tertiary);
}

.public-search-input-wrap kbd {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.public-search-chips {
  display: flex;
  gap: var(--s2);
  flex-wrap: wrap;
  padding: 0 var(--s6) var(--s4);
}

.public-search-chips button {
  height: 30px;
  padding: 0 var(--s3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-full);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 800;
}

.public-search-results {
  display: grid;
  gap: var(--s2);
  padding: 0 var(--s6) var(--s6);
  overflow-y: auto;
}

.public-search-result {
  display: grid;
  gap: var(--s1);
  padding: var(--s4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  background: var(--bg-elevated);
  transition: transform var(--dur-fast) var(--ease-spring), border-color var(--dur-fast), background var(--dur-fast);
}

.public-search-result:hover {
  transform: translateY(-1px);
  border-color: var(--orange-border);
  background: var(--orange-subtle);
}

.public-search-group {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
}

.public-search-result strong {
  color: var(--text-primary);
  font-size: 0.98rem;
}

.public-search-result span:last-child,
.public-search-empty {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

.public-search-empty {
  padding: var(--s8);
  text-align: center;
  border: 1px dashed var(--border-default);
  border-radius: var(--r-xl);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg-base: #090B10;
  --bg-surface: #10131B;
  --bg-elevated: #151925;
  --bg-inset: #0D1119;
  --bg-dark: #050608;
  --text-primary: #F8FAFC;
  --text-secondary: #C5CBD7;
  --text-tertiary: #8992A3;
  --text-inverse: #FFFFFF;
  --text-dim: rgba(255,255,255,0.62);
  --orange-subtle: rgba(224,92,32,0.14);
  --orange-border: rgba(224,92,32,0.34);
  --blue-subtle: rgba(27,79,216,0.18);
  --blue-border: rgba(91,141,255,0.32);
  --success-subtle: rgba(22,163,74,0.16);
  --success-border: rgba(22,163,74,0.32);
  --border-subtle: rgba(255,255,255,0.10);
  --border-default: rgba(255,255,255,0.16);
  --border-strong: rgba(255,255,255,0.26);
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.18);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.22);
  --shadow-md: 0 12px 34px rgba(0,0,0,0.26);
  --shadow-lg: 0 20px 54px rgba(0,0,0,0.34);
  --shadow-xl: 0 28px 74px rgba(0,0,0,0.42);
  --shadow-product: 0 32px 96px rgba(0,0,0,0.55);
}

html[data-theme="dark"] .nav {
  background: rgba(9, 11, 16, 0.86);
  border-bottom-color: var(--border-subtle);
}

html[data-theme="dark"] .nav.scrolled {
  box-shadow: 0 1px 0 var(--border-subtle), 0 10px 32px rgba(0,0,0,0.30);
}

html[data-theme="dark"] .hero-grid {
  opacity: 0.18;
}

html[data-theme="dark"] .hero-glow,
html[data-theme="dark"] .page-hero::before {
  opacity: 0.9;
}

html[data-theme="dark"] .hero-badge,
html[data-theme="dark"] .btn-hero-secondary,
html[data-theme="dark"] .card,
html[data-theme="dark"] .feature-band,
html[data-theme="dark"] .mini-panel,
html[data-theme="dark"] .mini-row,
html[data-theme="dark"] .process-step,
html[data-theme="dark"] .price-card,
html[data-theme="dark"] .compare-table,
html[data-theme="dark"] .side-nav,
html[data-theme="dark"] details.faq-item,
html[data-theme="dark"] .legal-card,
html[data-theme="dark"] .docs-card,
html[data-theme="dark"] .doc-section,
html[data-theme="dark"] .docs-hub-card,
html[data-theme="dark"] .docs-next-card,
html[data-theme="dark"] .docs-search-panel,
html[data-theme="dark"] .docs-search-result,
html[data-theme="dark"] .docs-search-empty,
html[data-theme="dark"] .callout,
html[data-theme="dark"] .note-card {
  background: var(--bg-elevated);
}

html[data-theme="dark"] .mini-panel {
  background: linear-gradient(180deg, #171B27, #0F131D);
}

html[data-theme="dark"] .section.surface,
html[data-theme="dark"] .compare-table th {
  background: var(--bg-surface);
}

html[data-theme="dark"] .form-row input,
html[data-theme="dark"] .form-row select,
html[data-theme="dark"] .form-row textarea,
html[data-theme="dark"] .docs-search-input input {
  background: var(--bg-inset);
}

html[data-theme="dark"] .card.dark {
  background: #090B10;
}

html[data-theme="dark"] .footer {
  background: #07090D;
}

html[data-theme="dark"] .app-window,
html[data-theme="dark"] .app-main,
html[data-theme="dark"] .app-sidebar,
html[data-theme="dark"] .app-titlebar,
html[data-theme="dark"] .tbar-url,
html[data-theme="dark"] .chip,
html[data-theme="dark"] .metric-card,
html[data-theme="dark"] .lead-row,
html[data-theme="dark"] .provider-tile,
html[data-theme="dark"] .d-card,
html[data-theme="dark"] .value-cell {
  background-color: var(--bg-elevated);
  border-color: var(--border-subtle);
}

html[data-theme="dark"] .sb-item,
html[data-theme="dark"] .dash-cell,
html[data-theme="dark"] .timeline-row {
  background-color: var(--bg-surface);
}

@media(max-width: 1024px) {
  .public-search-trigger {
    min-width: 42px;
    width: 42px;
    padding: 0;
  }

  .public-search-trigger span:not(.search-glyph),
  .public-search-trigger kbd {
    display: none;
  }
}

@media(max-width: 768px) {
  .nav-inner {
    gap: var(--s3);
  }

  .nav-actions {
    gap: var(--s2);
  }

  .btn-nav-ghost {
    display: none;
  }
}

@media(max-width: 520px) {
  .btn-nav-primary {
    padding: 0 var(--s3);
  }

  .public-search-overlay {
    padding: 70px var(--s3) var(--s3);
  }

  .public-search-panel {
    max-height: calc(100vh - 88px);
    border-radius: var(--r-xl);
  }

  .public-search-head,
  .public-search-input-wrap,
  .public-search-chips,
  .public-search-results {
    margin-left: var(--s4);
    margin-right: var(--s4);
    padding-left: 0;
    padding-right: 0;
  }

  .public-search-head {
    padding-top: var(--s5);
  }
}