/* ============================================================
   STRATIQ — Shared Design System
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 96px;
  color-scheme: dark;
}

/* ── Tokens ───────────────────────────────────────────────── */
:root {
  --bg:     #111827;
  --bg2:    #1a2336;
  --panel:  #0d1421;
  --surface:rgba(255,255,255,0.07);
  --surface2:rgba(255,255,255,0.11);
  --line:   rgba(255,255,255,0.12);
  --line2:  rgba(255,255,255,0.20);
  --text:   rgba(255,255,255,0.95);
  --muted:  rgba(255,255,255,0.72);
  --dim:    rgba(255,255,255,0.50);
  --accent: #2563eb;
  --accent2:#1d4ed8;
  --alight: rgba(37,99,235,0.18);
  --aline:  rgba(37,99,235,0.40);
  --good:   #16a34a;
  --warn:   #ca8a04;
  --serif:  'Cormorant Garamond', Georgia, serif;
  --mono:   'DM Mono', ui-monospace, 'Courier New', monospace;
  --sans:   'Outfit', system-ui, Arial, sans-serif;
  --shadow: 0 20px 60px rgba(0,0,0,0.45);
  --r:      20px;
  --max:    1160px;
  --nav-height: 72px;
  --focus:  0 0 0 3px rgba(37,99,235,0.18);
}

:root[data-theme="light"],
body.light {
  --bg:     #f4f6fb;
  --bg2:    #eaeff9;
  --panel:  #ffffff;
  --surface:rgba(10,16,30,0.04);
  --surface2:rgba(10,16,30,0.07);
  --line:   rgba(10,16,30,0.08);
  --line2:  rgba(10,16,30,0.14);
  --text:   rgba(10,16,30,0.88);
  --muted:  rgba(10,16,30,0.58);
  --dim:    rgba(10,16,30,0.36);
  --accent: #1e40af;
  --accent2:#1e3a8a;
  --alight: rgba(30,64,175,0.10);
  --aline:  rgba(30,64,175,0.35);
  --shadow: 0 20px 60px rgba(10,16,30,0.10);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background .25s, color .25s;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color-scheme: inherit;
}
html[data-theme="light"] { color-scheme: light; }
body.menu-open { overflow: hidden; }

img, svg, video, iframe {
  max-width: 100%;
  height: auto;
}

a, button, [role="button"] {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--aline); border-radius: 4px; }

/* ── Layout ───────────────────────────────────────────────── */
.container  { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.section    { padding: 100px 0; }
.section.sm { padding: 72px 0; }
.section.xs { padding: 48px 0; }
hr.rule     { height: 1px; background: var(--line); border: 0; margin: 32px 0; }

/* ── Progress bar ─────────────────────────────────────────── */
#progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--accent), rgba(37,99,235,0.4));
  z-index: 1001; transition: width .1s linear;
}

/* ── Navigation ───────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 14px 0;
  min-height: var(--nav-height);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  background: linear-gradient(180deg, rgba(17,24,39,0.95) 0%, rgba(17,24,39,0.65) 100%);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
body.light nav,
html[data-theme="light"] nav {
  background: linear-gradient(180deg, rgba(244,246,251,0.94) 0%, rgba(244,246,251,0.62) 100%);
}
nav.scrolled {
  border-bottom-color: var(--line2);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}

.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
  min-height: calc(var(--nav-height) - 8px);
}
.brand {
  font-family: var(--serif); font-size: 1.1rem; font-weight: 400;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--text); text-decoration: none; white-space: nowrap;
  flex-shrink: 0;
}
.nav-links {
  display: flex; gap: 4px; align-items: center; list-style: none; flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 999px;
  min-height: 38px; display: inline-flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s;
}
.nav-links a:hover  { color: var(--text); background: var(--surface2); }
.nav-links a.active { color: var(--text); background: var(--alight); border: 1px solid var(--aline); }
.nav-cta { background: var(--accent) !important; color: white !important; border: none !important; }
.nav-cta:hover { opacity: .88 !important; }

.nav-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 2px;
  border: 1px solid var(--line2); border-radius: 999px; padding: 6px 8px;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase;
  background: var(--surface);
}
.lang-toggle a {
  color: var(--muted); text-decoration: none; padding: 3px 7px; border-radius: 999px;
  transition: color .15s, background .15s;
  min-height: 28px; display: inline-flex; align-items: center; justify-content: center;
}
.lang-toggle a:hover { color: var(--text); }
.lang-toggle a.active { color: white; background: var(--accent); }
.lang-toggle span { color: var(--dim); }

.theme-btn {
  background: var(--surface); border: 1px solid var(--line2); border-radius: 999px;
  padding: 8px 12px; color: var(--muted);
  font-family: var(--mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase;
  cursor: pointer; transition: color .15s, border-color .15s, background .15s;
  min-height: 40px;
}
.theme-btn:hover { color: var(--text); border-color: var(--aline); background: var(--alight); }

.burger {
  display: none; background: var(--surface); border: 1px solid var(--line2);
  border-radius: 12px; padding: 10px 12px; cursor: pointer;
  min-width: 44px; min-height: 44px;
}
.burger span {
  display: block; width: 17px; height: 1.5px; background: var(--muted); margin: 4px 0;
  transition: transform .2s, opacity .2s;
}
.burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ── Mobile nav ───────────────────────────────────────────── */
.mobile-nav {
  display: block;
  position: fixed; inset: 0;
  background: linear-gradient(180deg, rgba(17,24,39,0.97) 0%, rgba(17,24,39,0.94) 100%);
  z-index: 999; padding-top: calc(var(--nav-height) + 12px); overflow-y: auto;
  /* hidden by default via transform + opacity */
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
body.light .mobile-nav,
html[data-theme="light"] .mobile-nav {
  background: linear-gradient(180deg, rgba(244,246,251,0.97) 0%, rgba(244,246,251,0.94) 100%);
}
.mobile-nav.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav ul {
  list-style: none;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 640px;
  margin: 0 auto;
}
.mobile-nav a {
  display: block; font-family: var(--mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text); text-decoration: none; padding: 15px 18px;
  border: 1px solid var(--line2); border-radius: 14px; background: var(--surface);
  transition: background .15s, border-color .15s, color .15s;
}
.mobile-nav a:hover { background: var(--alight); border-color: var(--aline); }
.mobile-nav a.active {
  color: var(--accent); background: var(--alight);
  border-color: var(--aline);
}
/* mobile nav bottom bar: lang + theme */
.mobile-nav-footer {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px 28px;
  border-top: 1px solid var(--line);
  margin-top: 4px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: calc(28px + env(safe-area-inset-bottom));
}

/* ── Typography ───────────────────────────────────────────── */
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: .60rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--accent); flex-shrink: 0; }

.h1 {
  font-family: var(--serif); font-weight: 400; letter-spacing: -.025em; line-height: 1.04;
  font-size: clamp(2.6rem, 5.5vw, 5rem); margin: 16px 0 20px;
}
.h2 {
  font-family: var(--serif); font-weight: 400; letter-spacing: -.015em; line-height: 1.10;
  font-size: clamp(1.7rem, 3vw, 2.7rem); margin: 12px 0 16px;
}
.h3 {
  font-family: var(--mono); font-weight: 500; letter-spacing: .18em; text-transform: uppercase;
  font-size: .68rem; color: var(--muted); margin: 0 0 10px;
}
.lead {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.05rem, 1.8vw, 1.30rem); color: var(--text); max-width: 64ch; line-height: 1.6;
}
.p    { color: var(--muted); max-width: 74ch; line-height: 1.8; }
.small { font-size: .88rem; color: var(--muted); line-height: 1.7; }
.dim  { color: var(--dim); font-size: .82rem; }

/* ── Buttons ──────────────────────────────────────────────── */
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: .64rem; letter-spacing: .18em; text-transform: uppercase;
  padding: 12px 20px; border-radius: 999px; text-decoration: none; user-select: none;
  transition: transform .18s, opacity .18s, background .18s, border-color .18s;
  white-space: normal;
  text-align: center;
  justify-content: center;
  min-height: 46px;
}
.btn.primary { background: var(--accent); color: white; border: 1px solid rgba(255,255,255,0.14); }
.btn.primary:hover { opacity: .90; transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line2); }
.btn.ghost:hover { border-color: var(--aline); background: var(--alight); transform: translateY(-1px); }
.btn.outline { background: transparent; color: var(--accent); border: 1px solid var(--aline); }
.btn.outline:hover { background: var(--alight); transform: translateY(-1px); }

/* ── Chips & Badges ───────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line2); padding: 6px 11px; border-radius: 999px;
  background: var(--surface);
}
.badge {
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: .56rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line2); padding: 5px 9px; border-radius: 999px;
  background: var(--surface);
}
.badge.blue   { color: #93c5fd; border-color: rgba(37,99,235,0.40); background: rgba(37,99,235,0.10); }
.badge.green  { color: #86efac; border-color: rgba(22,163,74,0.40);  background: rgba(22,163,74,0.08); }
.badge.amber  { color: #fcd34d; border-color: rgba(202,138,4,0.40);  background: rgba(202,138,4,0.08); }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: linear-gradient(160deg, var(--surface2) 0%, var(--surface) 100%);
  border: 1px solid var(--line2); border-radius: var(--r);
  padding: 22px 20px; transition: border-color .2s;
}
.card:hover { border-color: var(--aline); }
.card .card-title { font-weight: 600; color: var(--text); margin-bottom: 8px; font-size: 1rem; }
.card p { color: var(--muted); font-size: .95rem; margin-top: 8px; line-height: 1.7; }

.card.featured {
  background: radial-gradient(600px 400px at 80% 20%, var(--alight), transparent 65%),
              linear-gradient(160deg, var(--surface2), var(--surface));
  border-color: var(--aline);
}

/* ── Grids ────────────────────────────────────────────────── */
.grid2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.grid4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 14px; }

/* ── Inline-grid fallbacks (for pages using inline layout styles) ─────── */
.responsive-two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.responsive-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: start; }
.responsive-five { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; }
.responsive-bridge { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 0; align-items: center; }
.responsive-bridge-wide { display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; gap: 0; align-items: stretch; }
.responsive-arrow { display: flex; align-items: center; justify-content: center; }

/* ── DOS Block ────────────────────────────────────────────── */
.dos-block {
  margin-top: 28px; border-radius: 24px; border: 1px solid var(--line2);
  background:
    radial-gradient(800px 450px at 75% 15%, var(--alight), transparent 65%),
    linear-gradient(160deg, var(--surface2) 0%, var(--surface) 100%);
  padding: 26px 24px; box-shadow: var(--shadow);
}
.dos-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }

/* ── Pillars (3-col DOS flow) ─────────────────────────────── */
.flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.pillar {
  border-radius: 18px; border: 1px solid var(--line2); padding: 18px 16px; background: rgba(0,0,0,0.10);
}
.pillar.blue  { border-color: rgba(37,99,235,0.35); background: rgba(37,99,235,0.08); }
.pillar.green { border-color: rgba(22,163,74,0.35);  background: rgba(22,163,74,0.06); }
.pillar.red   { border-color: rgba(239,68,68,0.35);  background: rgba(239,68,68,0.06); }
.pillar h4 { font-family: var(--mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text); margin-bottom: 8px; }
.pillar .sub { font-family: var(--serif); font-style: italic; color: var(--muted); font-size: .95rem; margin-bottom: 10px; }
.pillar ul { padding-left: 15px; color: var(--muted); font-size: .88rem; line-height: 1.85; }

/* ── Loop bar ─────────────────────────────────────────────── */
.loop-bar {
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line);
  display: flex; gap: 10px; flex-wrap: wrap;
}

/* ── Objection cards ──────────────────────────────────────── */
.objection {
  border: 1px solid var(--line2); border-radius: 18px; padding: 18px 18px;
  background: var(--surface); transition: border-color .2s;
}
.objection:hover { border-color: var(--aline); }
.objection .q {
  font-family: var(--serif); font-style: italic; color: var(--muted);
  font-size: 1.05rem; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.objection .a { color: var(--text); font-size: .93rem; line-height: 1.75; }

/* ── Phase steps ──────────────────────────────────────────── */
.phase {
  border: 1px solid var(--line2); border-radius: 18px; padding: 20px 20px;
  background: var(--surface); position: relative;
}
.phase-num {
  font-family: var(--mono); font-size: .58rem; letter-spacing: .20em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 8px;
}
.phase-title { font-family: var(--serif); font-size: 1.3rem; color: var(--text); margin-bottom: 6px; }
.phase-duration { font-family: var(--mono); font-size: .60rem; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin-bottom: 12px; }
.phase p { color: var(--muted); font-size: .92rem; line-height: 1.75; }
.phase .deliverable {
  margin-top: 12px; padding: 10px 12px; border-radius: 10px;
  border: 1px dashed var(--aline); background: var(--alight);
  font-family: var(--mono); font-size: .60rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}

/* ── Pricing cards ────────────────────────────────────────── */
.price-card {
  border: 1px solid var(--line2); border-radius: 24px; padding: 28px 24px;
  background: linear-gradient(160deg, var(--surface2), var(--surface));
  display: flex; flex-direction: column; gap: 0; transition: border-color .2s;
}
.price-card:hover { border-color: var(--aline); }
.price-card.highlight {
  border-color: var(--aline);
  background: radial-gradient(500px 300px at 60% 10%, var(--alight), transparent 70%),
              linear-gradient(160deg, var(--surface2), var(--surface));
}
.price-label { font-family: var(--mono); font-size: .58rem; letter-spacing: .20em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.price-name { font-family: var(--serif); font-size: 2rem; font-weight: 400; margin-bottom: 6px; }
.price-desc { color: var(--muted); font-size: .92rem; line-height: 1.7; margin-bottom: 20px; }
.price-val { font-family: var(--mono); font-size: 1.6rem; color: var(--text); margin-bottom: 4px; }
.price-note { font-family: var(--mono); font-size: .60rem; letter-spacing: .12em; color: var(--dim); margin-bottom: 20px; }
.price-rule { height: 1px; background: var(--line); margin: 16px 0; }
.price-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.price-list li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: .90rem; color: var(--muted); line-height: 1.6;
}
.price-list li::before { content: '·'; color: var(--accent); font-size: 1.2rem; line-height: 1.3; flex-shrink: 0; }

/* ── Filter (contact) ─────────────────────────────────────── */
.filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.filter-block { border: 1px solid var(--line2); border-radius: 20px; padding: 22px 20px; background: var(--surface); }
.filter-block.yes { border-color: rgba(22,163,74,0.35); }
.filter-block.no  { border-color: rgba(239,68,68,0.25); }
.filter-title { font-family: var(--mono); font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 14px; }
.filter-title.yes { color: #86efac; }
.filter-title.no  { color: #fca5a5; }
.filter-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.filter-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: .92rem; line-height: 1.65; }
.filter-list.yes li::before { content: '✓'; color: #86efac; font-size: .85rem; margin-top: 2px; flex-shrink: 0; }
.filter-list.no  li::before { content: '✕'; color: #fca5a5; font-size: .85rem; margin-top: 2px; flex-shrink: 0; }

/* ── After-brief box ──────────────────────────────────────── */
.brief-box {
  border: 1px solid var(--aline); border-radius: 20px; padding: 22px 24px;
  background: var(--alight); margin-top: 14px;
}
.brief-box .h3 { color: var(--accent); }
.brief-box ul { list-style: none; padding: 0; margin-top: 12px; display: flex; flex-direction: column; gap: 9px; }
.brief-box li { display: flex; gap: 10px; color: var(--muted); font-size: .92rem; line-height: 1.65; }
.brief-box li::before { content: '→'; color: var(--accent); flex-shrink: 0; }

/* ── Function grid (enterprise) ──────────────────────────── */
.func-item {
  border: 1px solid var(--line2); border-radius: 16px; padding: 16px 16px;
  background: var(--surface); transition: border-color .2s;
}
.func-item:hover { border-color: var(--aline); }
.func-item .func-name { font-weight: 600; color: var(--text); margin-bottom: 5px; font-size: .95rem; }
.func-item .func-desc { color: var(--muted); font-size: .88rem; line-height: 1.65; }

/* ── Cert levels ──────────────────────────────────────────── */
.level-card {
  border: 1px solid var(--line2); border-radius: 20px; padding: 22px 20px;
  background: var(--surface); transition: border-color .2s;
}
.level-card:hover { border-color: var(--aline); }
.level-num { font-family: var(--mono); font-size: .58rem; letter-spacing: .20em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.level-name { font-family: var(--serif); font-size: 1.4rem; margin-bottom: 6px; }
.level-def { color: var(--muted); font-size: .90rem; line-height: 1.7; margin-bottom: 14px; }
.level-req { font-family: var(--mono); font-size: .60rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding-top: 12px; border-top: 1px solid var(--line); }

/* ── Two-col layout ───────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.three-col { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }

/* ── Callout / note ───────────────────────────────────────── */
.callout {
  border-left: 3px solid var(--accent); padding: 14px 18px;
  background: var(--alight); border-radius: 0 12px 12px 0; margin-top: 20px;
}
.callout p { color: var(--muted); font-size: .92rem; line-height: 1.7; }
.callout strong { color: var(--text); }

/* ── Audience door ────────────────────────────────────────── */
.door {
  border: 1px solid var(--line2); border-radius: 22px; padding: 24px 22px;
  background: var(--surface); text-decoration: none; display: block;
  transition: border-color .2s, transform .2s, background .2s;
}
.door:hover { border-color: var(--aline); background: var(--alight); transform: translateY(-2px); }
.door-audience { font-family: var(--mono); font-size: .60rem; letter-spacing: .20em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.door-title { font-family: var(--serif); font-size: 1.55rem; color: var(--text); margin-bottom: 8px; line-height: 1.15; }
.door-desc { color: var(--muted); font-size: .92rem; line-height: 1.7; margin-bottom: 16px; }
.door-cta { font-family: var(--mono); font-size: .60rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); display: flex; align-items: center; gap: 6px; }
.door-cta::after { content: '→'; transition: transform .2s; }
.door:hover .door-cta::after { transform: translateX(4px); }

/* ── Situation block ──────────────────────────────────────── */
.situation {
  border: 1px solid var(--aline); border-radius: 22px; padding: 26px 24px;
  background: radial-gradient(600px 350px at 80% 10%, var(--alight), transparent 65%),
              var(--surface);
}
.situation-text {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1rem, 1.8vw, 1.2rem); color: var(--muted); line-height: 1.7;
}
.situation-text strong { color: var(--text); font-style: normal; }

/* ── Hero grid overlay ────────────────────────────────────── */
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 65% 55% at 60% 35%, black 5%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 60% 35%, black 5%, transparent 72%);
  opacity: .55;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--line); padding: 24px 0;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--dim);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-inner a { color: var(--dim); text-decoration: none; transition: color .15s; }
.footer-inner a:hover { color: var(--text); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1120px) {
  .nav-links { display: none; }
  .nav-right .lang-toggle,
  .nav-right .theme-btn { display: none; }
  .burger { display: inline-block; }
}
@media (max-width: 980px) {
  .mobile-nav-footer { justify-content: space-between; flex-wrap: wrap; }
  .flow, .grid3, .grid4, .two-col, .three-col { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: 1fr; }
  .responsive-two,
  .responsive-split,
  .responsive-five,
  .responsive-bridge,
  .responsive-bridge-wide {
    grid-template-columns: 1fr !important;
  }
  .responsive-bridge > .responsive-arrow,
  .responsive-bridge-wide > .responsive-arrow,
  .responsive-five > .responsive-arrow {
    display: none !important;
  }
  section[style*="padding-top:148px"] {
    padding-top: 122px !important;
  }
  .h1 { font-size: clamp(2.2rem, 7vw, 3.2rem); }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .section { padding: 72px 0; }
  .section.sm { padding: 52px 0; }
  nav { padding: 10px 0; }
  .brand { font-size: 1rem; letter-spacing: .18em; }
  .actions { flex-direction: column; align-items: stretch; }
  .actions .btn { width: 100%; justify-content: center; }
  .mobile-nav a { font-size: .68rem; letter-spacing: .12em; padding: 12px 14px; }
  .mobile-nav ul,
  .mobile-nav-footer { padding-left: 18px; padding-right: 18px; }
  section[style*="padding-top:148px"] {
    padding-top: 108px !important;
    padding-bottom: 56px !important;
  }
  .door { padding: 18px 16px; }
  .dos-block { padding: 18px 16px; }
  .problem-card,
  .use-case,
  .cost-block,
  .engine-block,
  .price-card,
  .phase,
  .card,
  .filter-block,
  .level-card { padding: 18px 16px; }
  .callout { padding: 14px 14px; }
  .hook-item { padding: 18px 16px; }
  .footer-inner { justify-content: center; text-align: center; }
  .footer-links { justify-content: center; }
}

/* ── Problem cards (executive-problems) ─────────────────────── */
.problem-card {
  border: 1px solid var(--line2); border-radius: 22px; padding: 28px 26px;
  background: var(--surface); position: relative; overflow: hidden;
  transition: border-color .2s, transform .18s;
}
.problem-card:hover { border-color: var(--aline); transform: translateY(-2px); }
.problem-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0; transition: opacity .2s;
}
.problem-card:hover::before { opacity: 1; }
.problem-tag {
  font-family: var(--mono); font-size: .58rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.problem-title {
  font-family: var(--serif); font-size: 1.55rem; line-height: 1.15;
  color: var(--text); margin-bottom: 10px;
}
.problem-quote {
  font-family: var(--serif); font-style: italic;
  font-size: .98rem; color: var(--muted); line-height: 1.7;
  border-left: 2px solid var(--aline); padding-left: 14px; margin: 14px 0;
}
.problem-body { color: var(--muted); font-size: .92rem; line-height: 1.8; }
.problem-resolve {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .60rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent);
}

/* ── Metric / stat blocks ───────────────────────────────────── */
.metric-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.metric {
  border: 1px solid var(--line2); border-radius: 18px; padding: 22px 20px;
  background: var(--surface); text-align: center;
}
.metric-num {
  font-family: var(--serif); font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text); line-height: 1; margin-bottom: 6px;
}
.metric-label { font-family: var(--mono); font-size: .60rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.metric-source { font-size: .78rem; color: var(--dim); margin-top: 8px; font-style: italic; }

/* ── Use case blocks ────────────────────────────────────────── */
.use-case {
  border: 1px solid var(--line2); border-radius: 22px; padding: 28px 26px;
  background: var(--surface); display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px;
  transition: border-color .2s;
}
.use-case:hover { border-color: var(--aline); }
.use-case-question {
  font-family: var(--serif); font-size: 1.3rem; color: var(--text); line-height: 1.25;
  margin-bottom: 10px;
}
.use-case-context { color: var(--muted); font-size: .90rem; line-height: 1.75; }
.use-case-flow { display: flex; flex-direction: column; gap: 8px; }
.use-case-step {
  display: flex; align-items: flex-start; gap: 12px;
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px;
  background: var(--bg);
}
.use-case-step-engine {
  font-family: var(--mono); font-size: .56rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); white-space: nowrap; padding-top: 1px; min-width: 80px;
}
.use-case-step-desc { color: var(--muted); font-size: .86rem; line-height: 1.6; }

/* ── Mini-case (inline story) ───────────────────────────────── */
.mini-case {
  border: 1px solid var(--aline); border-radius: 22px; padding: 28px 26px;
  background: radial-gradient(800px 300px at 10% 50%, var(--alight), transparent 70%),
              var(--surface);
  position: relative;
}
.mini-case-label {
  font-family: var(--mono); font-size: .58rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; display: flex; align-items: center; gap: 10px;
}
.mini-case-label::after { content: ''; flex: 1; height: 1px; background: var(--aline); }
.mini-case-title { font-family: var(--serif); font-size: 1.4rem; margin-bottom: 14px; line-height: 1.2; }
.mini-case-body { color: var(--muted); font-size: .92rem; line-height: 1.8; }
.mini-case-body strong { color: var(--text); font-weight: 600; }
.mini-case-result {
  margin-top: 18px; display: grid; grid-template-columns: repeat(3,1fr); gap: 12px;
}
.mini-case-stat {
  border: 1px solid var(--line2); border-radius: 14px; padding: 14px 14px;
  background: var(--bg); text-align: center;
}
.mini-case-stat-num { font-family: var(--serif); font-size: 1.6rem; color: var(--text); margin-bottom: 4px; }
.mini-case-stat-label { font-family: var(--mono); font-size: .56rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ── Cost-of-absence block ──────────────────────────────────── */
.cost-block {
  border: 1px solid rgba(202,138,4,0.35); border-radius: 22px; padding: 28px 26px;
  background: radial-gradient(600px 250px at 90% 20%, rgba(202,138,4,0.07), transparent 60%),
              var(--surface);
}
.cost-item { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.cost-item:last-of-type { border-bottom: 0; }
.cost-arrow { color: var(--warn); font-size: 1rem; flex-shrink: 0; padding-top: 1px; }
.cost-text { color: var(--muted); font-size: .93rem; line-height: 1.7; }
.cost-text strong { color: var(--text); }

/* ── Engine anatomy ─────────────────────────────────────────── */
.engine-block {
  border: 1px solid var(--line2); border-radius: 22px; padding: 28px 26px;
  background: var(--surface); transition: border-color .2s;
}
.engine-block:hover { border-color: var(--aline); }
.engine-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.engine-badge {
  font-family: var(--mono); font-size: .56rem; letter-spacing: .20em; text-transform: uppercase;
  color: white; background: var(--accent); border-radius: 999px; padding: 4px 12px;
}
.engine-name { font-family: var(--serif); font-size: 1.5rem; line-height: 1.15; margin-bottom: 6px; }
.engine-role { color: var(--muted); font-size: .90rem; line-height: 1.7; }
.engine-capabilities { display: flex; flex-direction: column; gap: 6px; margin-top: 16px; }
.engine-cap {
  display: flex; gap: 10px; align-items: flex-start;
  color: var(--muted); font-size: .88rem; line-height: 1.65;
}
.engine-cap::before { content: '—'; color: var(--accent); flex-shrink: 0; }

/* ── Allocation layer visual ────────────────────────────────── */
.alloc-layer {
  border: 1px solid var(--aline); border-radius: 18px; padding: 20px 22px;
  background: var(--alight); display: flex; align-items: flex-start; gap: 16px;
}
.alloc-icon { font-size: 1.2rem; flex-shrink: 0; }
.alloc-content {}
.alloc-label { font-family: var(--mono); font-size: .58rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 5px; }
.alloc-text { color: var(--muted); font-size: .92rem; line-height: 1.7; }

/* ── Hook strip ─────────────────────────────────────────────── */
.hook-strip {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 1px;
  border: 1px solid var(--line2); border-radius: 20px; overflow: hidden;
  background: var(--line2); margin: 40px 0;
}
.hook-item {
  background: var(--surface); padding: 22px 22px;
  display: flex; flex-direction: column; gap: 8px;
}
.hook-tool {
  font-family: var(--mono); font-size: .56rem; letter-spacing: .20em; text-transform: uppercase;
  color: var(--dim);
}
.hook-action {
  font-family: var(--serif); font-size: 1.15rem; color: var(--text);
}
.hook-consequence { color: var(--muted); font-size: .86rem; line-height: 1.65; }
.hook-item.problem .hook-action { color: var(--warn); }
.hook-connector {
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); color: var(--dim); font-family: var(--mono); font-size: .70rem;
  writing-mode: vertical-rl; padding: 14px 10px; letter-spacing: .16em;
}

/* ── Responsive additions ───────────────────────────────────── */
@media (max-width: 980px) {
  .metric-row { grid-template-columns: 1fr 1fr; }
  .use-case { grid-template-columns: 1fr; }
  .mini-case-result { grid-template-columns: 1fr 1fr; }
  .hook-strip { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .metric-row { grid-template-columns: 1fr; }
  .mini-case-result { grid-template-columns: 1fr; }
  .use-case-step { flex-direction: column; gap: 8px; }
  .use-case-step-engine { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}