/* ============================================================================
   TestoLogics marketing — design system
   Mirrors the web app (frontend/src/index.css): "Modern Enterprise Minimalism".
   Navy ink #0C1D47 · teal brand #0084A8 · amber accent #d97706.
   Inter (same as the app). Generous whitespace, rounded cards, soft shadows.
   ========================================================================== */

:root {
  /* Brand */
  --navy:        #0C1D47;   /* primary ink / brand navy        */
  --navy-2:      #15265a;   /* lighter navy for gradients      */
  --navy-deep:   #081334;   /* deepest navy (footer/dark bands)*/
  --brand:       #0084A8;   /* teal — the app accent           */
  --brand-hi:    #00A6CE;
  --brand-deep:  #006A88;
  --amber:       #d97706;   /* amber — logo eyemask accent     */
  --amber-hi:    #f59e0b;

  /* Neutral surfaces */
  --canvas:      #FFFFFF;
  --surface:     #FFFFFF;
  --surface2:    #F7F8FA;
  --surface3:    #FAFBFC;
  --band:        #F4F6F9;   /* tinted section band             */
  --border:      #E7EAF0;
  --border-2:    #DCE1EA;
  --hair:        #F0F2F6;

  /* Text scale */
  --ink:         #0C1530;   /* near-navy primary text          */
  --ink-2:       #475066;   /* secondary                       */
  --ink-3:       #6B7488;   /* tertiary / captions             */
  --ink-4:       #9AA2B4;

  /* Tints */
  --teal-tint:   rgba(0,132,168,0.08);
  --teal-line:   rgba(0,132,168,0.22);
  --amber-tint:  rgba(217,119,6,0.10);
  --amber-line:  rgba(217,119,6,0.26);
  --navy-tint:   rgba(12,29,71,0.05);

  /* Status */
  --pass:    #10B981;
  --fail:    #F43F5E;
  --blocked: #F2AF3F;

  /* Shadows — very subtle, per app */
  --shadow-xs: 0 1px 2px rgba(12,21,48,.05);
  --shadow-sm: 0 1px 3px rgba(12,21,48,.06);
  --shadow:    0 6px 22px rgba(12,21,48,.06);
  --shadow-lg: 0 24px 60px rgba(12,21,48,.12);

  /* Radii */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 22px;

  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-feature-settings: 'cv02','cv03','cv04','cv11';
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); letter-spacing: -0.02em; font-weight: 700; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--tight { padding: 56px 0; }
.section--loose { padding: 112px 0; }
.band { background: var(--band); }
.band-navy {
  background: linear-gradient(165deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #E9EDF6;
}
.tabular { font-variant-numeric: tabular-nums; }

/* ── Typography helpers ─────────────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.10em;
  text-transform: uppercase; color: var(--brand);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.band-navy .eyebrow { color: var(--brand-hi); }

.display {
  font-size: clamp(40px, 6vw, 62px); line-height: 1.04;
  letter-spacing: -0.03em; font-weight: 700;
}
.h1 { font-size: clamp(30px, 4vw, 42px); line-height: 1.12; letter-spacing: -0.025em; }
.h2 { font-size: clamp(24px, 3vw, 30px); line-height: 1.2; }
.h3 { font-size: 19px; line-height: 1.3; }
.lead { font-size: clamp(17px, 2vw, 20px); line-height: 1.55; color: var(--ink-2); }
.body { font-size: 15.5px; line-height: 1.62; color: var(--ink-2); }
.body-sm { font-size: 13.5px; line-height: 1.55; color: var(--ink-3); }
.accent-ink { color: var(--amber); }
.muted { color: var(--ink-3); }

.section-head { max-width: 720px; }
.section-head.center { margin: 0 auto; text-align: center; }
.section-head .h1 { margin-top: 14px; }
.section-head .lead { margin-top: 16px; }

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 14.5px; line-height: 1;
  padding: 12px 18px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s var(--ease), background .2s var(--ease),
              box-shadow .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 2px 14px rgba(0,132,168,.28); }
.btn--primary:hover { background: var(--brand-deep); transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,132,168,.34); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-2); transform: translateY(-1px); }
.btn--amber { background: var(--amber); color: #fff; box-shadow: 0 2px 14px rgba(217,119,6,.26); }
.btn--amber:hover { background: var(--amber-hi); transform: translateY(-1px); }
.btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--border-2); }
.btn--ghost:hover { border-color: var(--ink-3); transform: translateY(-1px); }
.btn--onnavy { background: rgba(255,255,255,0.10); color: #fff; border-color: rgba(255,255,255,0.18); }
.btn--onnavy:hover { background: rgba(255,255,255,0.18); }
.btn--link { background: none; padding: 0; color: var(--brand); font-weight: 600; }
.btn--link:hover { color: var(--brand-deep); }
.btn--lg { padding: 15px 24px; font-size: 15.5px; border-radius: 12px; }
.btn--sm { padding: 9px 14px; font-size: 13px; }
.arrow { transition: transform .2s var(--ease); }
.btn--link:hover .arrow, .has-arrow:hover .arrow { transform: translateX(3px); }

/* ── Pills & chips ──────────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; padding: 7px 13px; border-radius: 999px;
  background: var(--amber-tint); color: var(--amber); border: 1px solid var(--amber-line);
}
.pill--teal { background: var(--teal-tint); color: var(--brand-deep); border-color: var(--teal-line); }
.pill--neutral { background: var(--surface2); color: var(--ink-2); border: 1px solid var(--border); }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 7px;
  background: var(--surface2); color: var(--ink-2); border: 1px solid var(--border);
}
.chip--teal { background: var(--teal-tint); color: var(--brand-deep); border-color: var(--teal-line); }
.chip--mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 11.5px; }
.chip--pass { background: rgba(16,185,129,.10); color: #047857; border-color: rgba(16,185,129,.25); }
.chip--fail { background: rgba(244,63,94,.10); color: #be123c; border-color: rgba(244,63,94,.25); }

/* ── Cards ──────────────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-sm);
  padding: 26px;
}
.card.hover { transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease); }
.card.hover:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-2); }
.icon-box {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--teal-tint); color: var(--brand); margin-bottom: 18px;
}
.icon-box svg { width: 22px; height: 22px; }
.icon-box--amber { background: var(--amber-tint); color: var(--amber); }
.card .h3 { margin: 0 0 8px; }

/* ── Grid utilities ─────────────────────────────────────────────────── */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50; height: 66px;
  background: rgba(255,255,255,0.82);
  border-bottom: 1px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease), backdrop-filter .2s var(--ease);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--border);
}
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img.mark { width: 30px; height: 30px; }
.brand .name { font-weight: 700; font-size: 19px; letter-spacing: -0.02em; color: var(--navy); }
.brand .name b { color: var(--amber); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  padding: 8px 12px; border-radius: 8px; transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--surface2); }
.nav-right { display: flex; align-items: center; gap: 8px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); cursor: pointer; padding: 8px; }
.mobile-menu { display: none; }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 420px at 85% -8%, rgba(0,132,168,0.10), transparent 60%),
    radial-gradient(680px 400px at 8% 4%, rgba(217,119,6,0.07), transparent 60%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 56px; align-items: center;
}
.hero h1 { margin-top: 22px; }
.hero .lead { margin-top: 22px; max-width: 540px; }
.hero-cta { margin-top: 34px; }
.hero-note { margin-top: 18px; font-size: 13.5px; color: var(--ink-3); }
.hero-note b { color: var(--ink); font-weight: 600; }

/* ── App mock (browser window) ──────────────────────────────────────── */
.mock {
  position: relative;
  border-radius: var(--r-lg); background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.mock .titlebar {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px; border-bottom: 1px solid var(--hair); background: var(--surface3);
}
.traffic { display: inline-flex; gap: 6px; }
.traffic span { width: 11px; height: 11px; border-radius: 50%; background: #E2E5EC; }
.traffic span:nth-child(1) { background: #f0c4c4; }
.traffic span:nth-child(2) { background: #f0e0b8; }
.traffic span:nth-child(3) { background: #c4e6cf; }
.mock .url {
  flex: 1; font-size: 12px; color: var(--ink-3); background: #fff;
  border: 1px solid var(--border); border-radius: 7px; padding: 5px 11px;
  font-family: ui-monospace, Menlo, monospace;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.mock-body { display: grid; grid-template-columns: 168px 1fr; min-height: 360px; }
.mock-rail {
  background: var(--surface2); border-right: 1px solid var(--hair);
  padding: 14px 12px; display: flex; flex-direction: column; gap: 4px;
}
.mock-rail .ri {
  display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--ink-2);
  padding: 7px 9px; border-radius: 8px;
}
.mock-rail .ri svg { width: 15px; height: 15px; opacity: .7; }
.mock-rail .ri.active { background: var(--teal-tint); color: var(--brand-deep); font-weight: 600; }
.mock-rail .ri.active svg { opacity: 1; color: var(--brand); }
.mock-main { padding: 18px 20px; }

.float-card {
  position: absolute; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow);
  padding: 13px 15px;
}

/* step list inside mock */
.steplist { display: flex; flex-direction: column; gap: 9px; }
.step { display: grid; grid-template-columns: 26px 1fr auto; gap: 11px; align-items: start;
  padding: 11px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.step .num { width: 26px; height: 26px; border-radius: 7px; background: var(--navy);
  color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.step .txt { font-size: 12.5px; color: var(--ink); line-height: 1.4; }
.step .txt small { display: block; color: var(--ink-3); font-size: 11px; margin-top: 3px; }
.step .ref { font-family: ui-monospace, Menlo, monospace; font-size: 10.5px;
  color: var(--brand-deep); background: var(--teal-tint); border: 1px solid var(--teal-line);
  padding: 2px 7px; border-radius: 6px; white-space: nowrap; align-self: center; }
.step.pass { border-left: 3px solid var(--pass); }

/* ── Logo cloud / trust ─────────────────────────────────────────────── */
.trust { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; opacity: .9; }
.trust .t { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; color: var(--ink-3); }

/* ── Stat tiles ─────────────────────────────────────────────────────── */
.stat { }
.stat .n { font-size: clamp(30px, 4vw, 40px); font-weight: 700; letter-spacing: -0.03em; color: var(--ink); }
.band-navy .stat .n { color: #fff; }
.stat .l { font-size: 13.5px; color: var(--ink-3); margin-top: 4px; }
.band-navy .stat .l { color: rgba(233,237,246,0.72); }

/* ── Feature split rows ─────────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse .split-media { order: -1; }
.feature-list { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.feature-list li { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; }
.feature-list .ic { width: 24px; height: 24px; border-radius: 7px; background: var(--teal-tint);
  color: var(--brand); display: grid; place-items: center; margin-top: 1px; }
.feature-list .ic svg { width: 14px; height: 14px; }
.feature-list b { color: var(--ink); font-weight: 600; }
.feature-list span { color: var(--ink-2); font-size: 14.5px; }

/* ── Pipeline ───────────────────────────────────────────────────────── */
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.pipe-step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 22px 20px; position: relative; }
.pipe-step .k { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--amber); }
.pipe-step .pi { width: 42px; height: 42px; border-radius: 11px; background: var(--teal-tint);
  color: var(--brand); display: grid; place-items: center; margin-bottom: 14px; }
.pipe-step .pi svg { width: 20px; height: 20px; }
.pipe-step h4 { font-size: 16px; margin: 8px 0 6px; }
.pipe-step p { font-size: 13px; color: var(--ink-2); margin: 0; line-height: 1.5; }
.pipe-step.final .pi { background: var(--navy); color: #fff; }

/* ── Pricing ────────────────────────────────────────────────────────── */
.pricing { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan { display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r-lg); padding: 26px 22px; box-shadow: var(--shadow-xs); }
.plan.featured { border-color: var(--brand); box-shadow: 0 12px 40px rgba(0,132,168,.14); position: relative; }
.plan .ptag { position: absolute; top: -11px; left: 22px; }
.plan .pname { font-size: 16px; font-weight: 700; color: var(--ink); }
.plan .price { margin: 12px 0 2px; font-size: 32px; font-weight: 700; letter-spacing: -0.03em; color: var(--ink); }
.plan .price small { font-size: 14px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.plan .pdesc { font-size: 13px; color: var(--ink-3); min-height: 36px; }
.plan ul { list-style: none; margin: 18px 0 22px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.plan li { display: grid; grid-template-columns: 18px 1fr; gap: 9px; font-size: 13.5px; color: var(--ink-2); }
.plan li svg { width: 15px; height: 15px; color: var(--brand); margin-top: 2px; }
.plan .btn { margin-top: auto; width: 100%; }

/* ── CTA band ───────────────────────────────────────────────────────── */
.cta-band {
  border-radius: var(--r-xl); padding: 56px 48px; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-deep) 100%); color: #fff;
}
.cta-band::after {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(600px 300px at 80% 0%, rgba(0,132,168,0.35), transparent 60%),
              radial-gradient(420px 240px at 12% 110%, rgba(217,119,6,0.22), transparent 60%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(233,237,246,0.82); max-width: 560px; margin: 14px auto 0; }

/* ── FAQ ────────────────────────────────────────────────────────────── */
.faq { max-width: 800px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--border); border-radius: 12px; background: var(--surface);
  padding: 4px 20px; margin-bottom: 12px; transition: border-color .2s var(--ease);
}
.faq details[open] { border-color: var(--border-2); }
.faq summary {
  cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; font-size: 15.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { width: 18px; height: 18px; flex: none; color: var(--ink-3); transition: transform .2s var(--ease); }
.faq details[open] summary .pm { transform: rotate(45deg); color: var(--brand); }
.faq p { margin: 0 0 16px; color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.site-footer { background: var(--surface3); border-top: 1px solid var(--border); margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 40px; padding: 60px 0 40px; }
.footer-grid .col h4 { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 14px; }
.footer-grid .col a { display: block; font-size: 14px; color: var(--ink-2); padding: 5px 0;
  transition: color .15s var(--ease); }
.footer-grid .col a:hover { color: var(--ink); }
.footer-blurb { font-size: 14px; color: var(--ink-2); max-width: 290px; margin: 14px 0 0; }
.footer-bottom { border-top: 1px solid var(--border); }
.footer-bottom .wrap { display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 22px 24px; font-size: 13px; color: var(--ink-3); flex-wrap: wrap; }

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

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero .lead { max-width: none; }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .section { padding: 68px 0; }
  .section--loose { padding: 76px 0; }
  .nav-links, .nav-right .btn--ghost, .nav-right .btn--link { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu { display: none; flex-direction: column; gap: 4px; padding: 12px 24px 20px;
    border-bottom: 1px solid var(--border); background: #fff; }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { padding: 11px 8px; font-size: 15px; font-weight: 500; color: var(--ink-2); border-radius: 8px; }
  .mobile-menu a:hover { background: var(--surface2); }
  .mobile-menu .btn { margin-top: 8px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .float-card { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}