/* ============================================================
   Catan Bot Lab — v2 landing experience
   Dark editorial design · Fraunces display / Space Grotesk body
   ============================================================ */

:root {
  --ink:      #0b0a08;
  --ink-2:    #12100c;
  --panel:    #16130e;
  --hairline: rgba(244, 236, 220, 0.10);
  --cream:    #f4ecdc;
  --muted:    #979078;
  --amber:    #e8a33d;
  --ember:    #d4552b;
  --wood:     #4d7c47;
  --wool:     #a8c686;
  --wheat:    #e0b64f;
  --ore:      #8b95a5;
  --brick:    #b8502e;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Space Grotesk", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --nav-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: var(--ink); }

a { color: inherit; text-decoration: none; }
em { font-style: italic; }

/* ---------- grain ---------- */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none;
  z-index: 200;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -1%); }
  75% { transform: translate(-1%, 2%); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) { .grain { animation: none; } }

/* ---------- custom cursor ---------- */
.cursor { display: none; }
@media (pointer: fine) {
  .cursor { display: block; position: fixed; inset: 0; pointer-events: none; z-index: 300; }
  .cursor-dot {
    position: absolute; top: 0; left: 0;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--amber);
    transform: translate(-50%, -50%);
  }
  .cursor-ring {
    position: absolute; top: 0; left: 0;
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid rgba(232, 163, 61, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
  }
  .cursor.is-link .cursor-ring { width: 52px; height: 52px; border-color: var(--amber); }
}

/* ---------- preloader ---------- */
.preloader { display: none; }
.js .preloader {
  display: flex;
  position: fixed; inset: 0;
  z-index: 400;
  background: var(--ink);
  align-items: center; justify-content: center;
}
.preloader-inner { text-align: center; color: var(--amber); }
.preloader-hex { animation: hex-spin 2.4s linear infinite; }
@keyframes hex-spin { to { transform: rotate(360deg); } }
.preloader-count {
  font-family: var(--font-display);
  font-size: 44px; font-weight: 500;
  color: var(--cream);
  margin-top: 14px;
  font-variant-numeric: tabular-nums;
}
.preloader-label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
}

/* ---------- shared bits ---------- */
.tick {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--amber);
  margin-right: 12px;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transform: translateY(-1px);
}

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 22px;
}

.section { padding: clamp(90px, 12vw, 170px) clamp(20px, 6vw, 96px); }

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 5.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.015em;
}
.section-title em { color: var(--amber); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  border-radius: 999px;
  padding: 14px 28px;
  border: 1px solid var(--hairline);
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
  will-change: transform;
}
.btn-solid { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.btn-solid:hover { background: var(--amber); border-color: var(--amber); }
.btn-ghost { color: var(--cream); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn-lg { padding: 17px 34px; font-size: 16px; }
.btn-xl { padding: 20px 44px; font-size: 18px; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 32px;
  padding: 0 clamp(20px, 4vw, 48px);
  background: linear-gradient(rgba(11, 10, 8, 0.75), rgba(11, 10, 8, 0.45));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
  transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
}
.nav.nav-hidden { transform: translateY(-100%); }

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 15px; letter-spacing: 0.02em;
  color: var(--cream);
}
.nav-brand svg { color: var(--amber); }
.nav-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--amber);
  border: 1px solid rgba(232, 163, 61, 0.4);
  border-radius: 4px;
  padding: 1px 5px;
  transform: translateY(-6px);
}

.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a {
  font-size: 14px; color: var(--muted);
  transition: color 0.25s ease;
  position: relative;
}
.nav-links a:hover { color: var(--cream); }
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: -5px;
  width: 100%; height: 1px;
  background: var(--amber);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.3s ease;
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.ext { font-size: 11px; }

.nav-cta { padding: 10px 20px; font-size: 14px; }

.nav-burger {
  display: none;
  width: 44px; height: 44px;
  background: none; border: 1px solid var(--hairline); border-radius: 50%;
  cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.nav-burger span {
  display: block; width: 18px; height: 2px;
  background: var(--cream);
  transition: transform 0.3s ease;
}
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0;
  z-index: 90;
  background: rgba(11, 10, 8, 0.96);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 26px; text-align: center; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 32px; color: var(--cream);
}
.mobile-menu a.btn { font-family: var(--font-body); font-size: 16px; margin-top: 12px; color: var(--ink); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--nav-h) + 24px) clamp(20px, 6vw, 96px) 0;
  overflow: hidden;
}

.hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  z-index: 0;
}

.hero-veil {
  position: absolute; inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 75% 70% at 26% 42%, rgba(11, 10, 8, 0.72), transparent 62%),
    linear-gradient(rgba(11, 10, 8, 0.3), rgba(11, 10, 8, 0.12) 42%, rgba(11, 10, 8, 0.92) 97%);
}

.hero-inner { position: relative; z-index: 2; max-width: 1100px; }

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(56px, 11.5vw, 168px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.hero-title .line { display: block; }
.hero-title em {
  color: var(--amber);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.accent-dot { color: var(--ember); }

.hero-sub {
  max-width: 520px;
  margin-top: 30px;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--muted);
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }

.hero-foot {
  position: relative; z-index: 2;
  margin-top: auto;
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px;
  padding: 48px 0 34px;
}

.hero-stats {
  display: flex; flex-wrap: wrap;
  gap: clamp(20px, 4vw, 64px);
}
.hstat b {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 34px);
  color: var(--cream);
  font-variant-numeric: tabular-nums;
}
.hstat > span {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.scroll-cue {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted);
  flex: none;
}
.scroll-line {
  width: 1px; height: 56px;
  background: var(--hairline);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute; left: 0; top: -40%;
  width: 100%; height: 40%;
  background: var(--amber);
  animation: scroll-drip 1.8s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes scroll-drip { to { top: 110%; } }

/* ---------- marquee ---------- */
.marquee {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 20px 0;
  overflow: hidden;
  background: var(--ink-2);
}
.marquee-track {
  display: flex; align-items: center; gap: 42px;
  width: max-content;
  animation: marquee-roll 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 400;
  white-space: nowrap;
  color: var(--cream);
}
.marquee-track i { color: var(--amber); font-style: normal; font-size: 14px; }
@keyframes marquee-roll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ---------- arsenal cards ---------- */
.section-head { max-width: 900px; margin-bottom: clamp(48px, 6vw, 90px); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.card {
  position: relative;
  background: var(--ink);
  padding: clamp(26px, 2.6vw, 42px);
  min-height: 320px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%),
              rgba(232, 163, 61, 0.09), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }

.card-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: auto;
}
.card-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.card-icon {
  width: 40px; height: 40px;
  color: var(--amber);
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.card:hover .card-icon { transform: translateY(-4px) rotate(-6deg); }

.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 2.2vw, 32px);
  margin: 28px 0 12px;
}
.card p { font-size: 14.5px; color: var(--muted); }
.card-tag {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber);
}
/* Cards are links into the lab — give them a quiet "go" affordance. */
a.card .card-tag::after {
  content: " →";
  opacity: 0;
  transition: opacity 0.3s ease;
}
a.card:hover .card-tag::after { opacity: 1; }

/* ---------- method (pinned horizontal scroll) ---------- */
.method {
  background: var(--ink-2);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.method-pin {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(90px, 10vh, 140px) clamp(20px, 6vw, 96px);
  overflow: hidden;
}
.method-head { margin-bottom: clamp(40px, 6vh, 80px); }

.method-track {
  display: flex;
  gap: clamp(20px, 3vw, 48px);
  width: max-content;
  will-change: transform;
}
.step {
  width: min(78vw, 520px);
  flex: none;
  border: 1px solid var(--hairline);
  background: var(--ink);
  padding: clamp(28px, 3vw, 48px);
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: clamp(64px, 7vw, 110px);
  font-weight: 400;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(232, 163, 61, 0.55);
  display: block;
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 2.6vw, 40px);
  margin: 22px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.step p { color: var(--muted); font-size: 15px; max-width: 40ch; }

.method-progress {
  margin-top: clamp(36px, 5vh, 64px);
  height: 2px;
  background: var(--hairline);
  overflow: hidden;
}
.method-bar {
  height: 100%; width: 100%;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
}

/* ---------- numbers ---------- */
.num-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.num {
  background: var(--ink);
  padding: clamp(30px, 4vw, 60px);
}
.num b {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(58px, 8vw, 128px);
  line-height: 1;
  color: var(--cream);
  font-variant-numeric: tabular-nums;
}
.num > span {
  display: block;
  margin-top: 16px;
  max-width: 42ch;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- quote ---------- */
.quote {
  padding: clamp(110px, 16vw, 220px) clamp(20px, 8vw, 140px);
  text-align: center;
}
.quote-text {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(26px, 4.2vw, 58px);
  line-height: 1.25;
  max-width: 22ch;
  margin: 0 auto;
}
.quote-text .w { opacity: 0.15; transition: opacity 0.3s; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  border-top: 1px solid var(--hairline);
  padding: clamp(100px, 14vw, 200px) clamp(20px, 6vw, 96px);
  text-align: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 110%, rgba(212, 85, 43, 0.16), transparent 70%),
    var(--ink);
  overflow: hidden;
}
.cta-title {
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  font-size: clamp(64px, 14vw, 220px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin-bottom: clamp(36px, 5vw, 64px);
}
.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.cta-note { font-size: 14px; color: var(--muted); max-width: 46ch; }
.cta-note a { color: var(--amber); border-bottom: 1px solid rgba(232, 163, 61, 0.4); }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--hairline);
  padding: 26px clamp(20px, 6vw, 96px);
}
.footer-row {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-row a { color: var(--cream); }
.footer-row a:hover { color: var(--amber); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; margin-left: auto; }

  .hero { padding-top: calc(var(--nav-h) + 8px); }
  .hero-foot { flex-direction: column; align-items: flex-start; padding-bottom: 26px; }
  .scroll-cue { display: none; }
  .hero-stats { gap: 18px 28px; }
  /* The island sits directly behind the copy on small screens — dim it harder. */
  .hero-veil {
    background:
      linear-gradient(rgba(11, 10, 8, 0.5), rgba(11, 10, 8, 0.62) 45%, rgba(11, 10, 8, 0.92) 96%);
  }

  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; }

  .num-grid { grid-template-columns: 1fr; }

  /* Method falls back to a vertical stack (no pinning on small screens). */
  .method-pin { min-height: 0; }
  .method-track { flex-direction: column; width: 100%; }
  .step { width: 100%; }
  .method-progress { display: none; }
}

@media (max-width: 480px) {
  .btn-lg { padding: 15px 26px; font-size: 15px; }
  .hero-ctas { gap: 12px; }
  .hstat > span { font-size: 10px; }
}