:root {
  --bg: #f4f1ea;
  --bg-2: #ece8de;
  --ink: #141412;
  --ink-2: #4a4843;
  --ink-3: #8a867c;
  --line: #d9d4c7;
  --dark: #121211;
  --dark-line: #2a2926;
  --orange: #e8622c;
  --green: #3fbf6f;

  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Geist", ui-sans-serif, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;

  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }
::selection { background: var(--ink); color: var(--bg); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; }
.serif-italic { font-family: var(--serif); font-style: italic; font-weight: 400; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 24px;
}
.eyebrow--light { color: #8d8a83; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 22px;
  border-radius: 999px;
  font-size: 15px; font-weight: 500;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), background .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn--dark { background: var(--ink); color: var(--bg); }
.btn--dark:hover { background: #2b2a27; }
.btn--light { background: var(--bg); color: var(--ink); }
.btn--ghost { color: var(--bg); border-color: #3a3935; }
.btn--ghost:hover { border-color: #6b6962; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.nav__links { display: flex; gap: 32px; font-size: 14px; color: var(--ink-2); }
.nav__links a { position: relative; transition: color .2s; }
.nav__links a:hover { color: var(--ink); }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--ink); color: var(--bg);
  font-family: var(--serif); font-style: italic; font-size: 16px; line-height: 1;
  padding-right: 1px;
}
.brand__name { font-weight: 600; font-size: 15px; letter-spacing: -.01em; }

/* Hero */
.hero { padding-top: clamp(72px, 12vw, 150px); padding-bottom: clamp(72px, 10vw, 120px); }
.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 11vw, 148px);
  line-height: .92;
  letter-spacing: -.025em;
  margin: 0;
}
.hero__title em { color: var(--ink-3); }
.hero__foot {
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}
.hero__lede { margin: 0; max-width: 520px; font-size: 18px; color: var(--ink-2); line-height: 1.55; }
.hero__index { list-style: none; margin: 0; padding: 0; }
.hero__index li + li { border-top: 1px solid var(--line); }
.hero__index a {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0;
  font-size: 22px; letter-spacing: -.01em;
  transition: padding .35s var(--ease);
}
.hero__index a:hover { padding-left: 8px; }
.hero__index .mono { color: var(--ink-3); }
.hero__index .arrow { margin-left: auto; color: var(--ink-3); transition: transform .35s var(--ease); }
.hero__index a:hover .arrow { transform: translate(2px, 2px); color: var(--ink); }

/* Section heads */
.section-head { margin-bottom: clamp(48px, 7vw, 88px); }
.section-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1; letter-spacing: -.02em;
  margin: 0;
}
.section-title em { color: var(--ink-3); }

/* Products */
.products { padding: clamp(80px, 10vw, 130px) 0; border-top: 1px solid var(--line); }
.product {
  display: grid;
  grid-template-columns: minmax(280px, 4fr) 7fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.product + .product { margin-top: clamp(96px, 12vw, 160px); }
.product--flip { grid-template-columns: 7fr minmax(280px, 4fr); }
.product--flip .product__meta { order: 2; }

.product__tag {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3);
}
.dot { width: 7px; height: 7px; border-radius: 50%; }
.dot--orange { background: var(--orange); }
.dot--green { background: var(--green); }

.product__name {
  font-size: clamp(44px, 5.5vw, 68px);
  font-weight: 600; letter-spacing: -.035em; line-height: 1;
  margin: 20px 0 20px;
}
.product__name .serif-italic { letter-spacing: -.02em; font-size: 1.12em; }
.product__desc { margin: 0 0 24px; color: var(--ink-2); font-size: 17px; }
.product__list { list-style: none; padding: 0; margin: 0 0 32px; border-top: 1px solid var(--line); }
.product__list li {
  padding: 12px 0 12px 22px; position: relative;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.product__list li::before {
  content: ""; position: absolute; left: 2px; top: 50%;
  width: 8px; height: 1px; background: var(--ink);
}

.link-arrow { display: inline-flex; gap: 8px; font-weight: 500; font-size: 15px; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.link-arrow span { transition: transform .3s var(--ease); }
.link-arrow:hover span { transform: translateX(4px); }

.shot {
  margin: 0;
  background: #0d0d0c;
  border-radius: 14px;
  padding: 0 0 6px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.06) inset,
    0 30px 60px -20px rgba(20, 18, 12, .35),
    0 12px 24px -12px rgba(20, 18, 12, .25);
  overflow: hidden;
  transform: perspective(1600px) rotateY(-4deg);
  transition: transform .8s var(--ease);
}
.product--flip .shot { transform: perspective(1600px) rotateY(4deg); }
.shot:hover, .product--flip .shot:hover { transform: perspective(1600px) rotateY(0); }
.shot__bar {
  display: flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 14px;
  border-bottom: 1px solid #1f1e1c;
}
.shot__bar i { width: 9px; height: 9px; border-radius: 50%; background: #2d2c29; }
.shot__bar .mono { margin-left: 14px; color: #6d6a63; font-size: 11px; }
.shot img { width: 100%; border-radius: 0 0 9px 9px; }

/* Approach */
.approach { padding: clamp(80px, 10vw, 130px) 0; background: var(--bg-2); border-top: 1px solid var(--line); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.principle { padding: 28px 32px 8px 0; }
.principle + .principle { padding-left: 32px; border-left: 1px solid var(--line); }
.principle .mono { color: var(--ink-3); }
.principle h3 { font-size: 22px; font-weight: 500; letter-spacing: -.015em; line-height: 1.2; margin: 40px 0 14px; }
.principle p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* CTA */
.cta { background: var(--dark); color: var(--bg); padding: clamp(96px, 13vw, 170px) 0; position: relative; overflow: hidden; }
.cta::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--dark-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--dark-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 20%, transparent 75%);
  opacity: .55;
}
.cta__inner { position: relative; text-align: center; }
.cta__title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(44px, 8vw, 104px);
  line-height: .98; letter-spacing: -.025em;
  margin: 0 0 28px;
}
.cta__title em { color: #8d8a83; }
.cta__text { color: #a9a59c; font-size: 18px; margin: 0 0 40px; }
.cta__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--dark); color: #a9a59c; border-top: 1px solid var(--dark-line); }
.footer .brand__mark { background: var(--bg); color: var(--ink); }
.footer .brand__name { color: var(--bg); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 32px; padding-bottom: 32px; flex-wrap: wrap; }
.footer__links { display: flex; gap: 28px; font-size: 14px; }
.footer__links a:hover { color: var(--bg); }
.footer__copy { margin: 0; color: #6d6a63; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: .08s; }
.hero .reveal:nth-child(3) { transition-delay: .18s; }
.principle.reveal:nth-child(2) { transition-delay: .08s; }
.principle.reveal:nth-child(3) { transition-delay: .16s; }
.shot.reveal { transition-property: opacity, transform; }
.shot.reveal:not(.is-in) { transform: perspective(1600px) translateY(24px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .shot, .product--flip .shot { transform: none; }
}

/* Responsive */
@media (max-width: 900px) {
  .hero__foot { grid-template-columns: 1fr; }
  .product, .product--flip { grid-template-columns: 1fr; }
  .product--flip .product__meta { order: 0; }
  .shot, .product--flip .shot { transform: none; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle + .principle { padding: 24px 0 32px; border-left: 0; }
  .principle + .principle { border-top: 1px solid var(--line); }
  .principle h3 { margin-top: 16px; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero__lede { font-size: 17px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}