/* ============================================
   FANYKA — Human Strategy + AI
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #000f22;
  --bg-alt: #06182f;
  --bg-raised: #0b2038;
  --ink: #f5f3ef;
  --ink-dim: #9fabbb;
  --ink-faint: #6c7889;
  --accent: #ff6219;
  --accent-dim: #c94e14;
  --line: rgba(245, 243, 239, 0.1);

  --serif: 'Fraunces', 'Iowan Old Style', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --max: 720px;
  --max-wide: 1120px;
  --pad: clamp(24px, 5vw, 64px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; }

img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.1em; max-width: 62ch; }

.eyebrow {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.75em;
}

/* ---------- Layout shells ---------- */

.wrap {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.col {
  max-width: var(--max);
}

section {
  padding: clamp(56px, 9vw, 120px) 0;
  border-bottom: 1px solid var(--line);
}

section:last-of-type { border-bottom: none; }

.section-alt { background: var(--bg-alt); }

/* ---------- Big logo lockup (hero) ---------- */

.hero-logo {
  width: min(420px, 62vw);
  margin-bottom: 28px;
}

/* ---------- Reveal question (the "chiste") ---------- */

.reveal {
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-raised);
  overflow: hidden;
  max-width: 46ch;
}

.reveal summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
}

.reveal summary::-webkit-details-marker { display: none; }

.reveal summary .plus {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.reveal[open] summary .plus { transform: rotate(45deg); }

.reveal-body {
  padding: 0 20px 20px;
  color: var(--ink-dim);
  margin: 0;
}

.reveal[open] summary {
  border-bottom: 1px solid var(--line);
}

/* ---------- Tabs (replaces separate long pages) ---------- */

.tabbar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--ink-faint);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 6px;
  margin-right: 22px;
  cursor: pointer;
  position: relative;
  top: 1px;
}

.tab-btn::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: transparent;
}

.tab-btn.is-active {
  color: var(--ink);
}

.tab-btn.is-active::after { background: var(--accent); }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeIn 0.35s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .tab-panel.is-active { animation: none; }
}

/* ---------- Nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(0, 15, 34, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  height: 26px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-dim);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.nav-cta {
  display: none;
}

@media (min-width: 720px) {
  .nav-cta { display: inline-flex; }
}

.menu-toggle {
  display: inline-flex;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
}

@media (min-width: 720px) {
  .menu-toggle { display: none; }
}

.nav-links {
  display: none;
}

@media (min-width: 720px) {
  .nav-links { display: flex; }
}

.nav-links.is-open {
  display: flex;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  align-items: flex-start;
  padding: 8px var(--pad) 24px;
  gap: 16px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #17090a;
}

.btn-primary:hover { background: #ff7935; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover { border-color: var(--ink-dim); }

.btn-sm { padding: 9px 16px; font-size: 0.85rem; }

/* ---------- Hero ---------- */

.hero {
  padding-top: clamp(40px, 7vw, 76px);
  padding-bottom: clamp(48px, 7vw, 80px);
}

.hero-grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.05fr 1fr;
  }
}

.hero-video .video-frame {
  max-width: 640px;
}

@media (min-width: 960px) {
  .hero-video .video-frame { max-width: none; }
}

.hero-question {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  max-width: 15ch;
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.15s forwards;
}

.hero-sub {
  margin-top: 28px;
  max-width: 46ch;
  font-size: 1.15rem;
  color: var(--ink-dim);
  opacity: 0;
  transform: translateY(10px);
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.55s forwards;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.85s forwards;
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-question, .hero-sub, .hero-actions {
    opacity: 1; transform: none; animation: none;
  }
}

/* ---------- Pull quote / callout ---------- */

.callout {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.35;
  max-width: 18ch;
  color: var(--ink);
}

.callout-wrap {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.callout-mark {
  font-family: var(--serif);
  color: var(--accent);
  font-size: 3.2rem;
  line-height: 1;
}

/* ---------- Video ---------- */

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-raised);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- ADN sequence (numbered — real sequence) ---------- */

.sequence {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
}

.sequence-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.sequence-item:last-child { border-bottom: 1px solid var(--line); }

.sequence-num {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--accent);
}

.sequence-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.sequence-title span {
  color: var(--ink-dim);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  margin-left: 4px;
}

.sequence-body { color: var(--ink-dim); margin: 0; max-width: 58ch; }

/* ---------- Flow line (QUESTION -> BREAK -> ...) ---------- */

.flow {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  color: var(--ink);
}

.flow em {
  font-style: normal;
  color: var(--accent-dim);
  background: none;
}

.flow .arrow {
  color: var(--ink-faint);
  font-family: var(--sans);
}

/* ---------- Plain lists (non-sequential content, no numbering) ---------- */

.plain-list {
  margin-top: 40px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.plain-list > div {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 860px) {
  .plain-list > div {
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: baseline;
  }
}

.plain-list h3 {
  font-size: 1.15rem;
}

.plain-list p {
  color: var(--ink-dim);
  margin: 0;
}

.negations {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.negations p {
  margin: 0;
  padding-left: 20px;
  position: relative;
  color: var(--ink-dim);
  max-width: 60ch;
}

.negations p::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---------- Two-up split ---------- */

.split {
  display: grid;
  gap: 40px;
}

@media (min-width: 860px) {
  .split { grid-template-columns: 1fr 1fr; gap: 64px; }
}

/* ---------- Principles ---------- */

.principles {
  margin-top: 40px;
  display: grid;
  gap: 28px;
}

@media (min-width: 720px) {
  .principles { grid-template-columns: 1fr 1fr; gap: 36px 48px; }
}

.principle dt {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 6px;
}

.principle dd {
  margin: 0;
  color: var(--ink-dim);
}

/* ---------- Positioning statement block ---------- */

.statement {
  text-align: left;
}

.statement p.callout {
  max-width: 22ch;
}

/* ---------- Contact page ---------- */

.contact-card {
  margin-top: 40px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  border-radius: 6px;
  padding: clamp(28px, 5vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
}

.contact-number {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--ink);
}

.meta-line {
  color: var(--ink-faint);
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 48px 0 40px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
}

.footer-brand img { height: 20px; margin-bottom: 10px; }

.footer-links {
  display: flex;
  gap: 22px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-dim);
}

.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

.footer-fine {
  margin-top: 28px;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

/* ---------- Page header (inner pages) ---------- */

.page-head {
  padding-top: clamp(56px, 10vw, 110px);
}

.page-head h1 {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  max-width: 16ch;
}

.page-head .hero-sub {
  animation: none;
  opacity: 1;
  transform: none;
}