:root {
  --ink: #0a0908;
  --ink-2: #14120f;
  --ink-3: #1c1a16;
  --cream: #f4efe6;
  --cream-dim: #cbc4b6;
  --cream-mute: #8a8478;
  --turq: #6db9b0;
  --turq-deep: #3f8a82;
  --tan: #d4b896;
  --tan-deep: #a48a68;
  --line: rgba(244, 239, 230, 0.08);
  --line-strong: rgba(244, 239, 230, 0.14);
  --radius: 14px;
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: default;
}

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

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--tan); }

.mono { font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace; font-size: 0.9em; letter-spacing: 0.02em; }

/* ---------- grain overlay ---------- */
#grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.08;
  mix-blend-mode: overlay;
  z-index: 200;
}

/* ---------- custom cursor ---------- */
#cursor {
  position: fixed;
  top: 0; left: 0;
  width: 28px; height: 28px;
  border: 1px solid var(--turq);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, background 0.2s, border-color 0.2s;
  z-index: 300;
  mix-blend-mode: difference;
}
#cursor.hover { transform: translate(-50%, -50%) scale(1.6); background: var(--turq); }
@media (hover: none) { #cursor { display: none; } }
@media (max-width: 900px) { #cursor { display: none; } }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 32px;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  background: rgba(10, 9, 8, 0.6);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
}
.brand-mark { color: var(--turq); font-size: 20px; }
.brand-dot { color: var(--turq); }
.nav-mid {
  display: flex; align-items: center; gap: 10px;
  color: var(--cream-mute);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-label { white-space: nowrap; }
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--turq);
  box-shadow: 0 0 0 0 rgba(109, 185, 176, 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(109, 185, 176, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(109, 185, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(109, 185, 176, 0); }
}
.nav-cta {
  justify-self: end;
  padding: 10px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.nav-cta:hover { border-color: var(--turq); color: var(--turq); }

@media (max-width: 800px) {
  .nav { padding: 14px 18px; }
  .nav-inner { grid-template-columns: auto 1fr auto; }
  .nav-mid { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, background 0.2s, color 0.2s, border-color 0.2s;
  border: 1px solid transparent;
  will-change: transform;
}
.btn-lg { padding: 18px 32px; font-size: 16px; }
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--turq);
  color: var(--ink);
  box-shadow: 0 8px 32px -8px rgba(109, 185, 176, 0.4);
}
.btn-primary:hover { background: var(--cream); }
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--turq); color: var(--turq); }
.btn-arrow { display: inline-block; transition: transform 0.2s ease; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 32px 80px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-blob {
  position: absolute;
  width: 60vw; height: 60vw;
  max-width: 900px; max-height: 900px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
  will-change: transform;
}
.blob-turq { background: var(--turq); top: -20%; left: -10%; animation: floatA 20s ease-in-out infinite; }
.blob-tan { background: var(--tan); bottom: -30%; right: -15%; animation: floatB 25s ease-in-out infinite; }
@keyframes floatA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, 60px) scale(1.1); }
}
@keyframes floatB {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-80px, -40px) scale(1.15); }
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-inner {
  position: relative; z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  color: var(--cream-dim);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--tan);
  animation: pulse 3s infinite;
  box-shadow: 0 0 0 0 rgba(212, 184, 150, 0.5);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 148px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.hero-title .line { display: block; }
.hero-title .line.accent-line { color: var(--turq); }
.hero-title .line.small {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 42px);
  font-style: italic;
  color: var(--cream-dim);
  letter-spacing: -0.01em;
  margin-top: 24px;
  line-height: 1.2;
}

.hero-sub {
  max-width: 640px;
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--cream-dim);
  line-height: 1.65;
  margin-bottom: 40px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 80px; }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
  max-width: 800px;
}
.meta-cell { display: flex; flex-direction: column; gap: 6px; }
.meta-num {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  color: var(--tan);
  line-height: 1;
}
.meta-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

@media (max-width: 700px) {
  .hero { padding: 100px 20px 60px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--cream-mute);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-bar {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--turq), transparent);
  animation: scrollBar 2s ease-in-out infinite;
}
@keyframes scrollBar {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@media (max-width: 700px) { .scroll-hint { display: none; } }

/* ---------- marquee ---------- */
.marquee {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
  position: relative;
}
.marquee-track {
  display: flex;
  gap: 40px;
  animation: mq 40s linear infinite;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.06em;
  color: var(--cream-mute);
}
.marquee-track span { flex-shrink: 0; }
.mq-dot { color: var(--turq); }
@keyframes mq {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- section base ---------- */
section { position: relative; }
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 32px;
}
.section-head { margin-bottom: 80px; max-width: 780px; }
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--turq);
  margin-bottom: 24px;
  padding-left: 20px;
  position: relative;
}
.section-tag::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 12px; height: 1px;
  background: var(--turq);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 76px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cream);
}
.section-lede {
  margin-top: 24px;
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--cream-dim);
  line-height: 1.6;
  max-width: 640px;
}

@media (max-width: 700px) {
  .section-inner { padding: 80px 20px; }
  .section-head { margin-bottom: 50px; }
}

/* ---------- observed ---------- */
.observed { background: var(--ink); }
.obs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.obs-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.obs-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(to bottom, var(--turq), transparent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
}
.obs-card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.obs-card:hover::before { transform: scaleY(1); }
.obs-num {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.2em;
  color: var(--tan);
  margin-bottom: 20px;
}
.obs-card h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin-bottom: 16px;
}
.obs-card p {
  color: var(--cream-dim);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 20px;
}
.obs-cure {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--turq);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- build ---------- */
.build { background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.build-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.build-card {
  padding: 40px 32px;
  background: var(--ink-2);
  transition: background 0.3s;
  cursor: default;
}
.build-card:hover { background: var(--ink-3); }
.build-icon {
  font-size: 32px;
  color: var(--turq);
  margin-bottom: 20px;
  display: inline-block;
  transition: transform 0.4s ease;
}
.build-card:hover .build-icon { transform: rotate(90deg); }
.build-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin-bottom: 14px;
}
.build-card p {
  color: var(--cream-dim);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.build-tag {
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 11px;
  color: var(--tan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (max-width: 900px) { .build-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .build-grid { grid-template-columns: 1fr; } }

/* ---------- watch ---------- */
.watch { background: var(--ink); }
.watch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.watch-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
}
.watch-card:hover { border-color: var(--turq); transform: translateY(-3px); }
.watch-card::after {
  content: '';
  position: absolute;
  top: 20px; right: 20px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--turq);
  box-shadow: 0 0 12px var(--turq);
  animation: pulse 2s infinite;
}
.watch-name {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--cream);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.watch-role {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--tan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.watch-body { color: var(--cream-dim); font-size: 14px; line-height: 1.6; }

.watch-note {
  text-align: center;
  padding: 32px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--turq);
  font-size: 13px;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) { .watch-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .watch-grid { grid-template-columns: 1fr; } }

/* ---------- timeline ---------- */
.timeline { background: var(--ink-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tl-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.tl-track::before {
  content: '';
  position: absolute;
  top: 40px; left: 5%; right: 5%;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--line-strong) 0 8px, transparent 8px 16px);
  z-index: 0;
}
.tl-step {
  padding: 28px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
  transition: border-color 0.3s, transform 0.3s;
}
.tl-step:hover { border-color: var(--turq); transform: translateY(-3px); }
.tl-week {
  font-family: var(--font-display);
  color: var(--turq);
  font-size: 15px;
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}
.tl-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--cream);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.tl-body { color: var(--cream-dim); font-size: 14px; line-height: 1.6; }

@media (max-width: 900px) {
  .tl-track { grid-template-columns: repeat(2, 1fr); }
  .tl-track::before { display: none; }
}
@media (max-width: 500px) { .tl-track { grid-template-columns: 1fr; } }

/* ---------- who ---------- */
.who { background: var(--ink); }
.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.who-card {
  padding: 40px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: border-color 0.3s;
}
.who-card:hover { border-color: var(--turq); }
.who-tag {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--tan);
  letter-spacing: 0.16em;
  margin-bottom: 20px;
}
.who-name {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--cream);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.who-role { color: var(--cream-dim); font-size: 15px; line-height: 1.6; }

@media (max-width: 900px) { .who-grid { grid-template-columns: 1fr; } }

/* ---------- book / cta ---------- */
.book {
  background:
    radial-gradient(ellipse at 20% 30%, rgba(109, 185, 176, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(212, 184, 150, 0.12) 0%, transparent 50%),
    var(--ink);
  border-top: 1px solid var(--line);
}
.book-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 140px 32px;
  text-align: center;
}
.book-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  color: var(--cream-dim);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.book-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 32px;
}
.book-body {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--cream-dim);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto 40px;
}
.book-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.book-fine {
  font-size: 13px;
  color: var(--cream-mute);
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
  font-style: italic;
  font-family: var(--font-serif);
}

@media (max-width: 700px) { .book-inner { padding: 80px 20px; } }

/* ---------- footer ---------- */
.footer {
  background: var(--ink);
  border-top: 1px solid var(--line);
  padding: 40px 32px;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.footer-cred {
  font-size: 13px;
  color: var(--cream-mute);
  letter-spacing: 0.02em;
}
.footer-right {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--cream-dim);
}
.footer-right a { transition: color 0.2s; }
.footer-right a:hover { color: var(--turq); }

@media (max-width: 600px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ---------- reveal animation base ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].in {
  opacity: 1;
  transform: translateY(0);
}