/* ============================================================
   CEREBRO / POLIGRAF — premium dark landing
   Archivo (display) + Space Grotesk (body)
   ============================================================ */
:root {
  --bg: #08090c;
  --bg-2: #0d1016;
  --panel: #11151d;
  --ink: #f2eee3;
  --ink-dim: #a8a494;
  --gold: #d2ab63;
  --gold-soft: rgba(210, 171, 99, 0.35);
  --trace: #e6313a;
  --truth: #2fbf71;
  --line: rgba(242, 238, 227, 0.12);
  --radius: 22px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, .nav-brand, .footer-brand, .stat-num, .step-num, .card-num {
  font-family: "Archivo", system-ui, sans-serif;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.section { padding: 130px 0; position: relative; }
.gold { color: var(--gold); }

.eyebrow {
  font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 22px; font-weight: 500;
}
h2 {
  font-size: clamp(30px, 4.6vw, 54px);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.015em;
  margin-bottom: 34px;
}

/* ---------- reveals ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 34px;
  background: linear-gradient(rgba(8, 9, 12, 0.85), rgba(8, 9, 12, 0));
  backdrop-filter: blur(6px);
}
.nav-brand { font-weight: 900; letter-spacing: 0.06em; font-size: 16px; }
.nav-slash { color: var(--gold); padding: 0 2px; }
.nav-links { display: flex; gap: 30px; font-size: 13.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-links a { color: var(--ink-dim); transition: color 0.25s; }
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  font-size: 13.5px; font-weight: 500; letter-spacing: 0.05em;
  border: 1px solid var(--gold-soft); border-radius: 100px;
  padding: 9px 20px; color: var(--gold); transition: 0.25s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--gold); color: #14100a; }

/* ---------- hero ---------- */
.hero { position: relative; height: 100vh; min-height: 620px; overflow: hidden; background: var(--bg); }
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  animation: heroZoom 14s ease-out forwards;
}
@keyframes heroZoom { from { transform: scale(1.1); } to { transform: scale(1); } }
.hero-content {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: 0 24px;
}
.hero-content .kicker {
  font-size: 12px; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 26px;
}
.hero-content h1 {
  font-size: clamp(44px, 7.6vw, 100px);
  font-weight: 900; line-height: 1.0; letter-spacing: -0.02em;
  text-shadow: 0 6px 50px rgba(0, 0, 0, 0.65);
}
.hero-content h1 em { font-style: normal; color: var(--gold); }
.hero-content .sub {
  margin-top: 24px; font-size: clamp(15px, 1.7vw, 19px);
  opacity: 0.9; max-width: 600px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-top: 38px; }
.vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 42%, rgba(8, 9, 12, 0.78) 100%),
    linear-gradient(rgba(8, 9, 12, 0.55), transparent 26%, transparent 68%, rgba(8, 9, 12, 0.8));
}

.telemetry {
  position: absolute; font-size: 10.5px; letter-spacing: 0.26em;
  color: rgba(242, 238, 227, 0.5); text-transform: uppercase; z-index: 3;
}
.telemetry.tl { top: 76px; left: 34px; }
.telemetry.tr { top: 76px; right: 34px; }
.telemetry.bl { bottom: 34px; left: 34px; }
.telemetry.br { bottom: 34px; right: 34px; }

.scroll-hint {
  position: absolute; bottom: 58px; left: 50%; transform: translateX(-50%);
  font-size: 11px; letter-spacing: 0.3em; color: var(--ink-dim);
  transition: opacity 0.5s; animation: hint 2.2s ease-in-out infinite; z-index: 3;
}
@keyframes hint { 50% { transform: translateX(-50%) translateY(6px); } }

/* ---------- trace divider ---------- */
.trace { background: var(--bg); padding: 26px 0 10px; }
.trace svg { width: 100%; height: 56px; display: block; }
.trace path {
  fill: none; stroke: var(--trace); stroke-width: 2;
  stroke-dasharray: 2600; stroke-dashoffset: 2600;
  animation: dash 5s ease-out forwards; opacity: 0.85;
  filter: drop-shadow(0 0 6px rgba(230, 49, 58, 0.55));
}
@keyframes dash { to { stroke-dashoffset: 0; } }

/* ---------- intro ---------- */
.intro-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; font-size: 17.5px; color: var(--ink-dim); }
.intro-cols strong { color: var(--ink); font-weight: 600; }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; margin-top: 84px;
}
.stat { background: var(--panel); padding: 34px 28px; }
.stat-num { display: block; font-size: 46px; font-weight: 800; color: var(--gold); line-height: 1; margin-bottom: 12px; }
.stat-word { display: block; font-family: "Archivo"; font-size: 27px; font-weight: 800; color: var(--gold); line-height: 46px; margin-bottom: 12px; letter-spacing: -0.01em; }
.stat-label { font-size: 13px; color: var(--ink-dim); line-height: 1.5; }

/* ---------- services ---------- */
.services { background: var(--bg-2); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 56px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px 30px 30px;
  transition: transform 0.35s ease, border-color 0.35s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--gold-soft); }
.card-num { font-size: 13px; font-weight: 700; color: var(--gold); letter-spacing: 0.2em; }
.card h3 { font-size: 21px; font-weight: 700; margin: 16px 0 12px; letter-spacing: -0.01em; }
.card p { font-size: 14.5px; color: var(--ink-dim); }
.card-tag {
  display: inline-block; margin-top: 20px; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold);
  border: 1px solid var(--gold-soft); border-radius: 100px; padding: 6px 14px;
}

/* ---------- photo bands ---------- */
.photo-band { position: relative; height: 62vh; min-height: 420px; overflow: hidden; }
.photo-band img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.75) contrast(1.05) brightness(0.62); }
.photo-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 46px 0; background: linear-gradient(transparent, rgba(8, 9, 12, 0.9)); text-align: center; }
.photo-caption h3 { font-size: clamp(24px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.01em; }
.photo-caption .eyebrow { margin-bottom: 10px; }

/* ---------- quotes ---------- */
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 56px; }
.quotes blockquote {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 38px; position: relative;
}
.quotes blockquote::before {
  content: "„"; position: absolute; top: 6px; left: 22px;
  font-family: "Archivo"; font-size: 84px; font-weight: 900; color: var(--gold); opacity: 0.22; line-height: 1;
}
.quotes blockquote p { font-size: 19px; line-height: 1.55; font-weight: 400; }
.quotes cite { display: block; margin-top: 20px; font-style: normal; font-size: 13.5px; color: var(--gold); letter-spacing: 0.04em; }
.quotes-close { margin-top: 52px; font-size: 19px; color: var(--ink-dim); max-width: 640px; }
.quotes-close strong { color: var(--ink); font-weight: 600; }

/* ---------- principles teaser ---------- */
.principles-teaser { background: var(--bg-2); }
.teaser-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 70px; align-items: center; }
.teaser-grid > div > p:not(.eyebrow) { color: var(--ink-dim); font-size: 17px; margin-bottom: 34px; }
.teaser-card {
  background: linear-gradient(160deg, #171b25, #0e1118);
  border: 1px solid var(--gold-soft); border-radius: 30px; padding: 46px 42px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.teaser-num { font-family: "Archivo"; font-size: 15px; font-weight: 800; color: var(--gold); letter-spacing: 0.25em; }
.teaser-card h3 { font-size: 27px; font-weight: 800; margin: 18px 0 16px; line-height: 1.2; }
.teaser-card p { color: var(--ink-dim); font-size: 15.5px; }
.teaser-src { display: block; margin-top: 26px; font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }

/* ---------- process ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 56px; counter-reset: step; }
.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
.step-num {
  display: grid; place-items: center; width: 46px; height: 46px;
  border: 1px solid var(--gold); border-radius: 50%;
  color: var(--gold); font-weight: 800; font-size: 18px; margin-bottom: 22px;
}
.steps h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.steps p { font-size: 14px; color: var(--ink-dim); }

/* ---------- faq ---------- */
.faq { background: var(--bg-2); }
.faq-list { margin-top: 48px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 26px 44px 26px 4px;
  font-family: "Archivo"; font-size: 19px; font-weight: 700; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 26px; font-weight: 400; transition: transform 0.3s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 4px 28px; color: var(--ink-dim); max-width: 780px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-grid > div > p:not(.eyebrow) { color: var(--ink-dim); font-size: 17px; }
.contact-direct { display: flex; flex-direction: column; gap: 10px; margin-top: 38px; }
.contact-direct a { font-family: "Archivo"; font-size: 24px; font-weight: 700; color: var(--gold); transition: opacity 0.25s; }
.contact-direct a:hover { opacity: 0.75; }

.form { background: var(--panel); border: 1px solid var(--line); border-radius: 30px; padding: 44px 40px; display: grid; gap: 20px; }
.form label { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-dim); display: grid; gap: 9px; }
.form input, .form select, .form textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; color: var(--ink); font-family: "Space Grotesk"; font-size: 15px;
  outline: none; transition: border-color 0.25s; width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--gold); }
.form-sent { display: none; color: var(--truth); font-size: 14.5px; letter-spacing: 0.02em; }
.form-sent.show { display: block; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: "Archivo"; font-weight: 700; font-size: 15px;
  letter-spacing: 0.03em; border-radius: 100px; padding: 16px 34px;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, color 0.25s;
  border: none; cursor: pointer;
}
.btn-gold { background: var(--gold); color: #14100a; box-shadow: 0 12px 40px rgba(210, 171, 99, 0.25); }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 18px 50px rgba(210, 171, 99, 0.4); }
.btn-line { border: 1px solid var(--gold); color: var(--gold); background: transparent; }
.btn-line:hover { background: var(--gold); color: #14100a; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 60px 0 0; overflow: hidden; background: var(--bg); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { font-weight: 900; letter-spacing: 0.06em; }
.footer-links { display: flex; gap: 26px; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.footer-links a:hover { color: var(--gold); }
.footer-legal { font-size: 12.5px; color: var(--ink-dim); }
.footer-word {
  font-family: "Archivo"; font-weight: 900; text-align: center;
  font-size: clamp(90px, 17vw, 260px); line-height: 0.82; letter-spacing: -0.02em;
  color: transparent; -webkit-text-stroke: 1px rgba(210, 171, 99, 0.22);
  margin-top: 40px; transform: translateY(12%); user-select: none;
}

/* ---------- principii page ---------- */
.page-head { padding: 190px 0 90px; background: radial-gradient(ellipse at 50% -20%, rgba(210, 171, 99, 0.14), transparent 60%); text-align: center; }
.page-head h1 { font-size: clamp(38px, 6vw, 76px); font-weight: 900; line-height: 1.02; letter-spacing: -0.02em; }
.page-head .sub { max-width: 720px; margin: 30px auto 0; color: var(--ink-dim); font-size: 18px; }
.principles-list { display: grid; gap: 26px; }
.principle {
  display: grid; grid-template-columns: 120px 1fr; gap: 40px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 30px; padding: 52px 54px;
}
.principle:hover { border-color: var(--gold-soft); }
.principle-num { font-family: "Archivo"; font-size: 56px; font-weight: 900; color: transparent; -webkit-text-stroke: 1.5px var(--gold); line-height: 1; }
.principle h3 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 800; margin-bottom: 16px; letter-spacing: -0.01em; }
.principle .insight { font-size: 16.5px; color: var(--ink-dim); margin-bottom: 20px; }
.principle .applied { font-size: 15.5px; color: var(--ink); border-left: 2px solid var(--gold); padding-left: 18px; }
.principle .applied b { color: var(--gold); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; font-size: 11.5px; display: block; margin-bottom: 6px; }
.principles-cta { text-align: center; padding: 90px 0 130px; }
.principles-cta h2 { margin-bottom: 18px; }
.principles-cta p { color: var(--ink-dim); margin-bottom: 36px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .cards, .steps { grid-template-columns: 1fr 1fr; }
  .intro-cols, .quote-grid, .teaser-grid, .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .teaser-grid { gap: 44px; }
}
@media (max-width: 620px) {
  .section { padding: 90px 0; }
  .wrap { padding: 0 22px; }
  .nav { padding: 14px 20px; }
  .nav-brand { font-size: 14px; }
  .nav-cta { font-size: 12px; padding: 8px 14px; }
  .cards, .steps, .stats { grid-template-columns: 1fr; }
  .telemetry.br { display: none; }
  .principle { grid-template-columns: 1fr; gap: 18px; padding: 38px 30px; }
  .form { padding: 32px 26px; }
}