/* ============================================================
   emsalkarardogrula.com — Homepage
   Design tokens + component styles
   Maps 1:1 to a future Tailwind theme (see token block below)
   ============================================================ */

:root {
  /* Color tokens */
  --navy-900: #0B1F33;   /* primary */
  --navy-700: #163A5F;   /* secondary */
  --blue-600: #2563EB;   /* accent */
  --blue-700: #1D4ED8;
  --blue-50:  #EFF4FE;
  --bg:       #F7F9FC;
  --surface:  #FFFFFF;
  --text-1:   #172033;
  --text-2:   #64748B;
  --border:   #E2E8F0;
  --success:  #16A34A;
  --success-bg: #EAF7EF;
  --warning:  #D97706;
  --warning-bg: #FCF3E6;
  --error:    #DC2626;
  --error-bg: #FCEDED;
  --muted:    #94A3B8;
  --muted-bg: #F1F5F9;
  --ai:       #7C3AED;
  --ai-bg:    #F3EEFC;

  /* Dark section tokens */
  --dark-bg:      #081522;
  --dark-surface: #0F2235;
  --dark-text:    #F8FAFC;
  --dark-text-2:  #A8B8CB;
  --dark-border:  #1E3A52;
  --dark-accent:  #3B82F6;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* Spacing scale (8px system) */
  --s-1: 8px;  --s-2: 16px; --s-3: 24px; --s-4: 32px;
  --s-6: 48px; --s-8: 64px; --s-10: 80px; --s-12: 96px; --s-15: 120px;

  /* Radii */
  --r-sm: 8px; --r-md: 12px; --r-lg: 14px;

  /* Shadows — deliberately light */
  --shadow-xs: 0 1px 2px rgba(11, 31, 51, 0.05);
  --shadow-sm: 0 1px 3px rgba(11, 31, 51, 0.07), 0 4px 14px rgba(11, 31, 51, 0.05);
  --shadow-md: 0 2px 6px rgba(11, 31, 51, 0.07), 0 10px 30px rgba(11, 31, 51, 0.08);

  --container: 1280px;
  --header-h: 72px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy-900); color: #fff;
  padding: 10px 18px; z-index: 200; border-radius: 0 0 8px 0;
  text-decoration: none; font-weight: 600; font-size: 14px;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-3);
}

/* ---------- Typography ---------- */
.h1 {
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--navy-900);
}
.h2 {
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy-900);
}
.h3 { font-size: 19px; line-height: 1.35; font-weight: 600; color: var(--navy-900); }
.lead { font-size: 18px; line-height: 1.65; color: var(--text-2); font-weight: 400; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue-600);
}
.eyebrow::before {
  content: ""; width: 20px; height: 2px; background: var(--blue-600); border-radius: 1px;
}
.mono { font-family: var(--font-mono); font-size: 0.92em; letter-spacing: -0.01em; }

.section { padding: var(--s-12) 0; }
.section--tight { padding: var(--s-10) 0; }
.section-head { max-width: 720px; margin-bottom: var(--s-8); }
.section-head .h2 { margin: var(--s-2) 0 var(--s-2); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px;
  font-size: 15px; font-weight: 600; line-height: 1;
  text-decoration: none; border: 1px solid transparent;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--blue-600); color: #fff; }
.btn--primary:hover { background: var(--blue-700); box-shadow: 0 4px 14px rgba(37, 99, 235, .3); }
.btn--secondary { background: var(--surface); color: var(--navy-900); border-color: var(--border); }
.btn--secondary:hover { border-color: var(--navy-700); }
.btn--ghost { background: transparent; color: var(--navy-900); padding: 12px 14px; }
.btn--ghost:hover { color: var(--blue-600); }
.btn--on-dark { background: #fff; color: var(--navy-900); }
.btn--on-dark:hover { background: #E8EEF6; }
.btn--outline-dark { background: transparent; color: var(--dark-text); border-color: var(--dark-border); }
.btn--outline-dark:hover { border-color: var(--dark-text-2); }
.btn--lg { padding: 15px 28px; font-size: 16px; border-radius: 11px; }

/* ---------- Status badges (product truth: 4 outcome colors) ---------- */
.status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; line-height: 1;
  padding: 5px 10px; border-radius: 999px; white-space: nowrap;
}
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status--verified { color: #12813B; background: var(--success-bg); }
.status--partial  { color: #A85E04; background: var(--warning-bg); }
.status--notfound { color: #B91C1C; background: var(--error-bg); }
.status--scope    { color: #64748B; background: var(--muted-bg); }
.status--ai       { color: #6D28D9; background: var(--ai-bg); }
.status--ai::before { display: none; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  height: var(--header-h);
  display: flex; align-items: center; gap: var(--s-4);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--navy-900);
  display: grid; place-items: center; flex: none;
}
.brand__text { line-height: 1.15; }
.brand__name { font-size: 15.5px; font-weight: 700; color: var(--navy-900); letter-spacing: -0.01em; }
.brand__desc { font-size: 10.5px; font-weight: 500; color: var(--text-2); letter-spacing: 0.04em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: var(--s-2); }
.nav a {
  padding: 8px 13px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--text-1);
  text-decoration: none; transition: color .15s ease, background-color .15s ease;
}
.nav a:hover { color: var(--blue-600); background: var(--blue-50); }

.header__actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none; margin-left: auto;
  width: 42px; height: 42px; border-radius: 9px;
  background: transparent; border: 1px solid var(--border);
  place-items: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--navy-900);
  border-radius: 2px; position: relative; content: ""; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: var(--s-2) var(--s-3) var(--s-3);
}
.mobile-menu.is-open { display: block; }
.mobile-menu a {
  display: block; padding: 12px 8px; text-decoration: none;
  font-weight: 500; font-size: 16px; color: var(--text-1);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-of-type { border-bottom: 0; }
.mobile-menu .btn { margin-top: var(--s-2); width: 100%; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(37, 99, 235, 0.07), transparent 60%),
    linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--s-8); align-items: center;
  padding: var(--s-10) 0 var(--s-12);
}
.hero__copy .h1 { margin: var(--s-2) 0 var(--s-3); }
.hero__copy .lead { max-width: 520px; }
.hero__ctas { display: flex; gap: 12px; margin-top: var(--s-4); flex-wrap: wrap; }
.hero__note {
  margin-top: var(--s-3); font-size: 13.5px; color: var(--text-2);
  display: flex; align-items: center; gap: 8px;
}
.hero__note svg { color: var(--success); flex: none; }

/* Browser-window product mockup */
.mockup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  font-size: 13px;
}
.mockup__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--muted-bg);
  border-bottom: 1px solid var(--border);
}
.mockup__dots { display: flex; gap: 5px; }
.mockup__dots i { width: 9px; height: 9px; border-radius: 50%; background: #CBD5E1; }
.mockup__url {
  flex: 1; max-width: 320px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 12px;
  font-size: 11.5px; color: var(--text-2); text-align: center;
  font-family: var(--font-mono);
}
.mockup__body { padding: var(--s-2); }

.msearch {
  display: flex; align-items: center; gap: 10px;
  border: 1.5px solid var(--blue-600);
  border-radius: 10px; padding: 11px 14px;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
  background: var(--surface);
}
.msearch svg { color: var(--text-2); flex: none; }
.msearch__q { color: var(--text-1); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msearch__caret { width: 1.5px; height: 16px; background: var(--blue-600); animation: blink 1.1s steps(1) infinite; flex: none; }
@keyframes blink { 50% { opacity: 0; } }
.msearch__btn {
  margin-left: auto; flex: none;
  background: var(--blue-600); color: #fff; border: 0;
  border-radius: 7px; padding: 7px 14px; font-size: 12.5px; font-weight: 600;
}

.mfilters { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 12px; }
.chip {
  font-size: 11.5px; font-weight: 500; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 11px; background: var(--surface);
}
.chip--on { color: var(--blue-600); border-color: rgba(37, 99, 235, .35); background: var(--blue-50); font-weight: 600; }

.mresult {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; background: var(--surface);
}
.mresult + .mresult { margin-top: 8px; }
.mresult__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.mresult__title { font-weight: 600; color: var(--navy-900); font-size: 13.5px; line-height: 1.4; }
.mresult__meta {
  display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 6px;
  font-size: 11.5px; color: var(--text-2);
}
.mresult__meta .mono { color: var(--navy-700); }
.mresult__summary {
  margin-top: 8px; padding: 8px 10px;
  background: var(--bg); border-radius: 7px;
  font-size: 12px; color: var(--text-2); line-height: 1.5;
}
.mresult__summary b { color: var(--ai); font-weight: 600; }
.mresult__foot { display: flex; align-items: center; gap: 8px; margin-top: 9px; flex-wrap: wrap; }
.relevance { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: var(--navy-700); }
.relevance i { width: 44px; height: 4px; border-radius: 2px; background: var(--border); position: relative; overflow: hidden; }
.relevance i::after { content: ""; position: absolute; inset: 0; background: var(--blue-600); border-radius: 2px; transform-origin: left; }
.relevance--96 i::after { transform: scaleX(.96); }
.relevance--91 i::after { transform: scaleX(.91); }
.relevance--87 i::after { transform: scaleX(.87); }

.sample-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; color: var(--text-2);
  background: var(--muted-bg); border: 1px dashed var(--muted);
  border-radius: 6px; padding: 3px 9px;
}

/* ---------- Trust bar ---------- */
.trustbar { background: var(--surface); border-bottom: 1px solid var(--border); padding: var(--s-4) 0; }
.trustbar__inner { display: flex; align-items: center; gap: var(--s-4); flex-wrap: wrap; }
.trustbar__label { font-size: 14px; font-weight: 600; color: var(--navy-900); flex: none; }
.trustbar__items { display: flex; gap: var(--s-1); flex-wrap: wrap; margin-left: auto; }
.trustbar__item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 13px; background: var(--bg);
}
.trustbar__item svg { color: var(--navy-700); }

/* ---------- Pillars (3 numbered features) ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.pillar { border-top: 2px solid var(--border); padding-top: var(--s-3); position: relative; }
.pillar::before {
  content: ""; position: absolute; top: -2px; left: 0;
  width: 56px; height: 2px; background: var(--blue-600);
}
.pillar__num { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--blue-600); }
.pillar .h3 { margin: 10px 0 8px; }
.pillar p { font-size: 15px; color: var(--text-2); }

/* ---------- Demo (search panel + results) ---------- */
.demo {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden;
}
.demo__panel { border-right: 1px solid var(--border); padding: var(--s-3); background: var(--bg); }
.demo__results { padding: var(--s-3); }
.demo__label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--text-2); margin-bottom: 10px; }
.demo__query {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--surface); border: 1.5px solid var(--blue-600);
  border-radius: 10px; padding: 12px 14px;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .08);
  font-size: 14px; font-weight: 500; color: var(--text-1); line-height: 1.45;
}
.demo__query svg { color: var(--text-2); flex: none; margin-top: 1px; }
.demo__filters { margin-top: var(--s-3); display: grid; gap: 10px; }
.dfilter {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 9px; padding: 10px 13px; font-size: 13px;
}
.dfilter__k { color: var(--text-2); font-weight: 500; }
.dfilter__v { color: var(--navy-900); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.dfilter__v svg { color: var(--muted); }
.demo__count { margin-top: var(--s-3); font-size: 13px; color: var(--text-2); }
.demo__count b { color: var(--navy-900); }

.dresult { border: 1px solid var(--border); border-radius: var(--r-md); padding: var(--s-2) 18px; }
.dresult + .dresult { margin-top: 12px; }
.dresult__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.dresult__title { font-size: 15px; font-weight: 600; color: var(--navy-900); line-height: 1.4; }
.dresult__court { margin-top: 4px; font-size: 13px; color: var(--navy-700); font-weight: 600; }
.dresult__ids { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 8px; font-size: 12.5px; color: var(--text-2); }
.dresult__ids .mono { color: var(--navy-700); font-weight: 500; }
.dresult__summary {
  margin-top: 10px; font-size: 13px; line-height: 1.55; color: var(--text-2);
  padding: 10px 12px; background: var(--bg); border-radius: 8px;
  border-left: 2px solid var(--ai);
}
.dresult__summary b { color: var(--ai); font-weight: 600; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; display: block; margin-bottom: 3px; }
.dresult__foot { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.dresult__link { margin-left: auto; font-size: 13px; font-weight: 600; color: var(--blue-600); text-decoration: none; }
.dresult__link:hover { text-decoration: underline; }
.demo__note { display: flex; justify-content: flex-end; margin-top: 10px; }

/* ---------- AI section ---------- */
.ai-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--s-8); align-items: center; }
.ai-points { display: grid; gap: var(--s-2); margin-top: var(--s-4); }
.ai-point { display: flex; gap: 12px; align-items: flex-start; }
.ai-point__icon {
  flex: none; width: 34px; height: 34px; border-radius: 9px;
  background: var(--blue-50); color: var(--blue-600);
  display: grid; place-items: center;
}
.ai-point__t { font-weight: 600; font-size: 15px; color: var(--navy-900); }
.ai-point__d { font-size: 14px; color: var(--text-2); margin-top: 2px; }

.ai-panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-sm); overflow: hidden;
}
.ai-panel__head {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-bottom: 1px solid var(--border);
  font-size: 13.5px; font-weight: 600; color: var(--navy-900);
}
.ai-panel__head svg { color: var(--ai); }
.ai-panel__body { padding: 18px; display: grid; gap: 14px; font-size: 13.5px; }
.ai-msg--user {
  justify-self: end; max-width: 85%;
  background: var(--navy-900); color: #fff;
  padding: 10px 14px; border-radius: 12px 12px 3px 12px;
  font-weight: 500; line-height: 1.5;
}
.ai-msg--assistant { display: grid; gap: 10px; max-width: 100%; }
.ai-block { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--bg); }
.ai-block__label { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-2); margin-bottom: 5px; }
.ai-block p { color: var(--text-1); line-height: 1.55; font-size: 13px; }
.ai-block--sources { background: var(--surface); }
.ai-src { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 12.5px; color: var(--navy-700); }
.ai-src svg { color: var(--success); flex: none; }
.ai-src .mono { font-weight: 500; }

/* ---------- Verification chain (signature element) ---------- */
.verify-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.verify-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--s-8); align-items: start; }
.verify-legend { display: grid; gap: 10px; margin-top: var(--s-4); }
.verify-legend__row { display: flex; gap: 12px; align-items: baseline; }
.verify-legend__row p { font-size: 14px; color: var(--text-2); }
.verify-legend__row .status { flex: none; transform: translateY(2px); }

.chain {
  position: relative;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: var(--s-3);
}
.chain__rail {
  position: absolute; left: 43px; top: 88px; bottom: 40px; width: 2px;
  background: linear-gradient(180deg, var(--blue-600), var(--success));
  border-radius: 1px;
}
.chain__step { position: relative; display: flex; gap: 14px; }
.chain__step + .chain__step { margin-top: 14px; }
.chain__node {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--blue-600);
  display: grid; place-items: center; color: var(--blue-600);
  position: relative; z-index: 1;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
}
.chain__node--ok { border-color: var(--success); color: var(--success); }
.chain__card {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 13px 16px; box-shadow: var(--shadow-xs);
  min-width: 0;
}
.chain__label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); }
.chain__claim { margin-top: 5px; font-size: 13.5px; line-height: 1.55; color: var(--text-1); }
.chain__claim mark { background: rgba(37, 99, 235, .12); color: var(--navy-700); font-weight: 600; padding: 1px 3px; border-radius: 3px; }
.chain__fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px 16px; margin-top: 8px; }
.chain__field { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12.5px; }
.chain__field span { color: var(--text-2); }
.chain__field b { color: var(--navy-900); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.chain__field b svg { color: var(--success); }
.chain__quote {
  margin-top: 8px; padding: 10px 12px;
  border-left: 2px solid var(--success);
  background: var(--success-bg); border-radius: 0 8px 8px 0;
  font-size: 13px; line-height: 1.55; color: #14532D; font-style: italic;
}
.chain__meta { margin-top: 7px; font-size: 12px; color: var(--text-2); display: flex; gap: 14px; flex-wrap: wrap; }
.chain__head-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* ---------- Decision explorer ---------- */
.explorer-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: var(--s-8); align-items: center; }
.graph-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-sm); padding: var(--s-2);
}
.graph-card svg { width: 100%; height: auto; }
.explorer-list { display: grid; gap: 12px; margin-top: var(--s-4); }
.explorer-list li { display: flex; gap: 10px; align-items: baseline; font-size: 15px; color: var(--text-2); }
.explorer-list li::before {
  content: ""; flex: none; width: 8px; height: 8px; border-radius: 2px;
  background: var(--blue-600); transform: translateY(-1px);
}
.explorer-list li b { color: var(--navy-900); font-weight: 600; }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); }
.feature {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: var(--s-3);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.feature:hover { border-color: rgba(37, 99, 235, .4); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.feature__icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--blue-50); color: var(--blue-600);
  display: grid; place-items: center;
}
.feature__icon--ai { background: var(--ai-bg); color: var(--ai); }
.feature .h3 { font-size: 16px; }
.feature p { font-size: 13.5px; color: var(--text-2); line-height: 1.55; flex: 1; }
.feature a { font-size: 13.5px; font-weight: 600; color: var(--blue-600); text-decoration: none; }
.feature a:hover { text-decoration: underline; }

/* ---------- Workflow ---------- */
.workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); position: relative; }
.workflow::before {
  content: ""; position: absolute; top: 21px; left: 8%; right: 8%;
  height: 2px; background: var(--border);
}
.wstep { position: relative; }
.wstep__num {
  position: relative; z-index: 1;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy-900); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 14px; font-weight: 600;
  border: 4px solid var(--bg);
}
.wstep .h3 { margin: 14px 0 6px; font-size: 17px; }
.wstep p { font-size: 14px; color: var(--text-2); }

/* ---------- Personas ---------- */
.personas { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
.persona {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: var(--s-4);
  display: flex; flex-direction: column; gap: 10px;
}
.persona__tag { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-600); }
.persona .h3 { font-size: 20px; }
.persona p { font-size: 14.5px; color: var(--text-2); flex: 1; }
.persona a { font-size: 14px; font-weight: 600; color: var(--navy-900); text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.persona a:hover { color: var(--blue-600); }

/* ---------- Enterprise ---------- */
.enterprise {
  background: var(--navy-900); border-radius: 18px;
  padding: var(--s-8); color: var(--dark-text);
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--s-8);
  align-items: center;
}
.enterprise .eyebrow { color: var(--dark-accent); }
.enterprise .eyebrow::before { background: var(--dark-accent); }
.enterprise .h2 { color: #fff; margin: var(--s-2) 0; }
.enterprise .lead { color: var(--dark-text-2); font-size: 16px; }
.enterprise .btn { margin-top: var(--s-4); }
.egrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.egrid li {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--dark-border);
  border-radius: 10px; padding: 12px 14px;
  font-size: 14px; font-weight: 500; color: var(--dark-text);
}
.egrid li svg { color: var(--dark-accent); flex: none; }

/* ---------- Security ---------- */
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); }
.sec-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: var(--s-3);
}
.sec-card__icon {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--muted-bg); color: var(--navy-700);
  display: grid; place-items: center; margin-bottom: 12px;
}
.sec-card .h3 { font-size: 15.5px; margin-bottom: 5px; }
.sec-card p { font-size: 13px; color: var(--text-2); line-height: 1.55; }
.security-note {
  margin-top: var(--s-3); font-size: 13.5px; color: var(--text-2);
  display: flex; gap: 8px; align-items: flex-start; max-width: 760px;
}
.security-note svg { flex: none; color: var(--navy-700); margin-top: 2px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); }
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: var(--s-3) var(--s-3) var(--s-3);
  border-top: 3px solid var(--blue-600);
}
.stat__value { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; color: var(--navy-900); line-height: 1.1; }
.stat__value small { font-size: 18px; font-weight: 600; color: var(--text-2); margin-left: 2px; }
.stat__label { margin-top: 6px; font-size: 14px; font-weight: 600; color: var(--navy-900); }
.stat__desc { margin-top: 3px; font-size: 12.5px; color: var(--text-2); line-height: 1.5; }

/* ---------- Principles (in place of fake testimonials) ---------- */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
.principle {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: var(--s-4);
  position: relative;
}
.principle::before {
  content: "§"; position: absolute; top: 22px; right: 26px;
  font-family: var(--font-mono); font-size: 22px; color: var(--border); font-weight: 600;
}
.principle .h3 { font-size: 17px; margin-bottom: 8px; max-width: 85%; }
.principle p { font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* ---------- Pricing preview ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
.price-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: var(--s-4);
  display: flex; flex-direction: column; gap: 8px;
}
.price-card--featured { border-color: var(--blue-600); box-shadow: 0 0 0 1px var(--blue-600), var(--shadow-sm); position: relative; }
.price-card__flag {
  position: absolute; top: -11px; left: var(--s-4);
  background: var(--blue-600); color: #fff;
  font-size: 11px; font-weight: 600; letter-spacing: .04em;
  border-radius: 999px; padding: 4px 11px;
}
.price-card .h3 { font-size: 19px; }
.price-card > p { font-size: 14px; color: var(--text-2); flex: none; }
.price-card ul { display: grid; gap: 8px; margin: 10px 0 18px; flex: 1; }
.price-card li { display: flex; gap: 9px; align-items: baseline; font-size: 13.5px; color: var(--text-1); }
.price-card li svg { flex: none; color: var(--success); transform: translateY(2px); }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); margin-bottom: 10px;
}
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 22px;
  font-size: 15.5px; font-weight: 600; color: var(--navy-900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 20px; font-weight: 400; color: var(--text-2);
  transition: transform .2s ease; line-height: 1; flex: none;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  padding: 0 22px 18px; font-size: 14.5px; color: var(--text-2); line-height: 1.65;
  max-width: 92%;
}

/* ---------- Final CTA ---------- */
.final-cta {
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(59, 130, 246, .15), transparent 65%),
    var(--navy-900);
  padding: var(--s-12) 0;
}
.final-cta__inner { max-width: 720px; margin: 0 auto; text-align: center; }
.final-cta .h2 { color: #fff; }
.final-cta p { color: var(--dark-text-2); font-size: 17px; margin: var(--s-2) auto var(--s-4); max-width: 560px; }
.final-cta__btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { background: var(--dark-bg); color: var(--dark-text-2); padding: var(--s-10) 0 var(--s-4); }
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--s-6); padding-bottom: var(--s-8);
  border-bottom: 1px solid var(--dark-border);
}
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__desc { color: var(--dark-text-2); }
.footer__brand > p { margin-top: 14px; font-size: 13.5px; line-height: 1.6; max-width: 300px; color: var(--dark-text-2); }
.footer h4 {
  font-size: 12.5px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: #fff; margin-bottom: 16px;
}
.footer__col ul { display: grid; gap: 10px; }
.footer__col a { font-size: 14px; color: var(--dark-text-2); text-decoration: none; }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap;
  padding-top: var(--s-3); font-size: 13px; color: var(--dark-text-2);
}
.footer__social { margin-left: auto; display: flex; gap: 8px; }
.footer__social a {
  width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid var(--dark-border); color: var(--dark-text-2);
  display: grid; place-items: center; transition: color .15s ease, border-color .15s ease;
}
.footer__social a:hover { color: #fff; border-color: var(--dark-text-2); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in-view { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .msearch__caret { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1100px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .hero__copy .lead { max-width: 620px; }
  .ai-grid, .verify-grid, .explorer-grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .enterprise { grid-template-columns: 1fr; padding: var(--s-6); }
}

@media (max-width: 900px) {
  .nav, .header__actions .btn--ghost { display: none; }
  .nav-toggle { display: grid; }
  .header__actions { margin-left: 0; }
  .pillars { grid-template-columns: 1fr; gap: var(--s-4); }
  .demo { grid-template-columns: 1fr; }
  .demo__panel { border-right: 0; border-bottom: 1px solid var(--border); }
  .workflow { grid-template-columns: repeat(2, 1fr); gap: var(--s-4); }
  .workflow::before { display: none; }
  .personas, .principles, .pricing { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__brand { grid-column: 1 / -1; }
  .section { padding: var(--s-10) 0; }
}

@media (max-width: 600px) {
  .brand__desc { display: none; }
  .header__inner { gap: var(--s-2); }
  .container { padding: 0 var(--s-2); }
  .header__actions .btn--primary { padding: 10px 14px; font-size: 14px; }
}

@media (max-width: 430px) {
  .brand__text { display: none; }
}

@media (max-width: 560px) {
  .features, .security-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat__value { font-size: 32px; }
  .workflow { grid-template-columns: 1fr; }
  .egrid { grid-template-columns: 1fr; }
  .hero__ctas .btn { flex: 1; }
  .final-cta__btns .btn { width: 100%; }
  .trustbar__items { margin-left: 0; }
  .chain__rail { left: 39px; }
  .chain__node { width: 32px; height: 32px; font-size: 10.5px; }
  .chain__fields { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .h1 { font-size: clamp(34px, 9vw, 42px); }
}