:root {
  --cream: #faf9f5;
  --sand: #efece5;
  --paper: #fdfcfa;
  --ink: #141413;
  --ink-2: #3d3d3a;
  --muted: #6b6a65;
  --line: #e3dfd6;
  --clay: #d97757;
  --clay-ink: #b85a3a;
  --cv-bg: #0b0b0b;
  --cv-panel: #141414;
  --cv-ink: #ededed;
  --cv-muted: #9a9a9a;
  --cv-line: rgba(255, 255, 255, 0.1);
  --serif: "Source Serif 4", "Tiempos Headline", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 14px;
  --gutter: 16px;
  --grain: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.09 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

@media (min-width: 768px) {
  :root { --gutter: 40px; }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Logos */
.logo { display: inline-block; background: currentColor; flex: none; }
.logo--cv {
  width: 22px; height: 18px;
  -webkit-mask: url("assets/cv-mark.svg") no-repeat center / contain;
  mask: url("assets/cv-mark.svg") no-repeat center / contain;
}
.logo--anthropic {
  width: 96px; height: 11px;
  -webkit-mask: url("assets/anthropic.svg") no-repeat center / contain;
  mask: url("assets/anthropic.svg") no-repeat center / contain;
}

.lockup { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.lockup__cv { display: inline-flex; align-items: center; gap: 8px; }
.nav .logo--cv { color: #000; }
.lockup__x { color: var(--muted); font-weight: 400; }
.lockup--muted { color: var(--ink-2); }

/* Type */
.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 1;
  letter-spacing: -0.025em;
}
.display--cv { color: var(--cv-ink); font-size: clamp(38px, 6vw, 64px); }

.h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.015em;
}
.h2--cv { color: var(--cv-ink); }

.h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.25;
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}
.eyebrow--cv { color: var(--clay); margin-bottom: 16px; }

.lede { font-size: clamp(18px, 2vw, 21px); line-height: 1.55; color: var(--ink-2); max-width: 34em; margin-top: 28px; }
.lede strong { color: var(--ink); font-weight: 600; }
.sub { font-size: 18px; color: var(--muted); max-width: 36em; margin-top: 16px; }
.sub--cv { color: var(--cv-muted); }
.br { color: var(--clay-ink); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: 500 16px/1 var(--sans);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 15px; }
.btn--ink { background: var(--ink); color: var(--cream); }
.btn--ink:hover { background: #2b2b29; }
.btn--clay { background: var(--clay); color: #fff; }
.btn--clay:hover { background: var(--clay-ink); }
.btn--ghost { border-color: var(--line); background: transparent; color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.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: none; gap: 28px; font-size: 15px; color: var(--ink-2); }
.nav__links a:hover { color: var(--ink); }
@media (min-width: 960px) { .nav__links { display: flex; } }
@media (max-width: 520px) {
  .nav .btn { display: none; }
  .lockup { gap: 10px; font-size: 14px; }
  .logo--anthropic { width: 84px; }
}

/* Hero */
.hero { padding: 72px 0 96px; }
.hero__grid { display: grid; gap: 56px; align-items: center; }
@media (min-width: 960px) {
  .hero { padding: 104px 0 128px; }
  .hero__grid { grid-template-columns: 1.15fr 1fr; gap: 72px; }
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero__note { margin-top: 20px; font-size: 14px; color: var(--muted); }

.runsheet {
  position: relative;
  background: var(--cv-bg);
  color: var(--cv-ink);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 30px 60px -30px rgba(20, 20, 19, .45);
  overflow: hidden;
}
.runsheet::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); pointer-events: none; }
.runsheet__head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--cv-muted);
  padding-bottom: 18px; border-bottom: 1px solid var(--cv-line);
}
.runsheet__tag { color: var(--clay); letter-spacing: .08em; }
.runsheet__list li {
  display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: baseline;
  padding: 13px 0; border-bottom: 1px solid var(--cv-line); font-size: 15px;
}
.runsheet__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.runsheet__list time { font-variant-numeric: tabular-nums; color: var(--cv-muted); font-size: 14px; }
.runsheet__list .is-live span { color: #fff; }
.runsheet__list .is-live time { color: var(--clay); }
.runsheet__list .is-live span::after {
  content: ""; display: inline-block; width: 7px; height: 7px; margin-left: 10px; border-radius: 50%;
  background: var(--clay); vertical-align: middle; animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .runsheet__list .is-live span::after { animation: none; } html { scroll-behavior: auto; } }

/* Bands and sections */
.section { padding: 96px 0; }
.section--tight { padding-top: 24px; }
.section--sand { background: var(--sand); }
.band { padding: 96px 0; }
.band--sand { background: var(--sand); }
.band--cv { background: var(--cv-bg); color: var(--cv-ink); position: relative; }
.grain::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); pointer-events: none; }
.band--cv > .wrap { position: relative; z-index: 1; }
@media (min-width: 960px) { .section, .band { padding: 128px 0; } .section--tight { padding-top: 32px; } }

/* About */
.about { display: grid; gap: 24px; }
@media (min-width: 960px) { .about { grid-template-columns: 1fr 2.2fr; gap: 48px; } }
.about__statement { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.4; letter-spacing: -0.01em; color: var(--ink-2); max-width: 30em; }
.about__statement strong { color: var(--ink); font-weight: 600; }
.pills { display: grid; gap: 12px; margin-top: 40px; }
@media (min-width: 720px) { .pills { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
.pill {
  display: flex; align-items: center; gap: 14px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; font-weight: 500; font-size: 15px; line-height: 1.35;
}
.pill__mark {
  flex: none; min-width: 44px; height: 44px; padding: 0 8px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--serif); font-size: 18px; font-weight: 500;
}

/* When cards */
.cards3 { display: grid; gap: 24px; margin-top: 48px; }
@media (min-width: 900px) { .cards3 { grid-template-columns: repeat(3, 1fr); gap: 28px; } }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.card__body { padding: 28px; }
.card__body p { margin-top: 12px; color: var(--muted); font-size: 15.5px; }

.photo {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: radial-gradient(120% 90% at 20% 15%, #2a2622 0%, #121110 60%, #0b0b0b 100%);
}
.photo::before {
  content: attr(data-caption); position: absolute; left: 20px; bottom: 16px; right: 20px;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .45);
}
.photo::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); pointer-events: none; }
.photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }

/* Outcomes */
.outcomes { display: grid; gap: 0; margin-top: 48px; }
@media (min-width: 720px) { .outcomes { grid-template-columns: repeat(2, 1fr); column-gap: 40px; } }
@media (min-width: 1080px) { .outcomes { grid-template-columns: repeat(4, 1fr); } }
.outcome { padding: 24px 0 8px; border-top: 1px solid color-mix(in srgb, var(--ink) 18%, transparent); }
.outcome__num { font-family: var(--serif); font-size: 15px; color: var(--clay-ink); }
.outcome__title { font-family: var(--serif); font-weight: 400; font-size: 24px; line-height: 1.2; margin-top: 20px; }
.outcome p { margin-top: 10px; color: var(--muted); font-size: 15.5px; }

.challenge {
  font-family: var(--serif); font-size: clamp(21px, 2.4vw, 26px); line-height: 1.35; color: var(--ink);
  max-width: 32em; margin-top: 24px; padding-left: 20px; border-left: 2px solid var(--clay);
}

/* Steps */
.steps { display: grid; gap: 0; margin-top: 56px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .steps { grid-template-columns: repeat(5, 1fr); } }
.step { padding: 28px 0; border-top: 1px solid var(--line); }
@media (min-width: 1080px) {
  .step { padding: 4px 28px 8px; border-top: 0; border-left: 1px solid var(--line); }
  .step:first-child { padding-left: 0; border-left: 0; }
}
@media (min-width: 720px) and (max-width: 1079px) { .step:nth-child(odd) { padding-right: 28px; } }
.icon { width: 28px; height: 28px; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.icon .fill { fill: var(--ink); }
.step__title { font-size: 18px; font-weight: 600; margin-top: 28px; letter-spacing: -0.01em; }
.step p { margin-top: 10px; color: var(--muted); font-size: 15.5px; }

/* Split */
.split { display: grid; gap: 20px; margin-top: 56px; }
@media (min-width: 1000px) { .split { grid-template-columns: 1fr 1fr 1.15fr; gap: 24px; align-items: start; } }
.owner { background: var(--cv-panel); border: 1px solid var(--cv-line); border-radius: var(--radius); padding: 32px; }
.owner--cv { border-color: color-mix(in srgb, var(--clay) 55%, transparent); background: linear-gradient(180deg, #1a1411 0%, var(--cv-panel) 60%); }
.owner__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--cv-line); flex-wrap: wrap; }
.owner__name { font-family: var(--serif); font-weight: 400; font-size: 28px; display: inline-flex; align-items: center; gap: 10px; }
.owner__name .logo--cv { width: 26px; height: 22px; color: var(--cv-ink); }
.owner__tag { font-size: 13px; font-weight: 600; color: var(--cv-muted); }
.owner--cv .owner__tag { color: var(--clay); }
.checks li {
  position: relative; padding: 15px 0 15px 34px; border-bottom: 1px solid var(--cv-line);
  font-size: 15.5px; line-height: 1.45; color: #d6d6d6;
}
.checks li:last-child { border-bottom: 0; padding-bottom: 0; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 16px; width: 18px; height: 18px;
  border: 1.5px solid #6a6a6a; border-radius: 50%;
}
.checks--filled li { color: var(--cv-ink); }
.checks--filled li::before {
  border: 0; background: var(--clay) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'><path d='M5 9.4l2.6 2.6L13 6.6' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 18px no-repeat;
}
.split__note { margin-top: 28px; font-size: 15px; font-style: italic; color: var(--cv-muted); }

/* Timeline */
.timeline { display: grid; gap: 48px; }
@media (min-width: 960px) {
  .timeline { grid-template-columns: 1fr 1.6fr; gap: 72px; align-items: start; }
  .timeline__intro { position: sticky; top: 120px; }
}
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.chip {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .02em; border: 1px solid transparent;
}
.chip--a { background: color-mix(in srgb, var(--clay) 16%, var(--cream)); color: var(--clay-ink); border-color: color-mix(in srgb, var(--clay) 35%, transparent); }
.chip--c { background: var(--paper); color: var(--ink-2); border-color: var(--line); }
.chip--cv { background: var(--ink); color: var(--cream); }

.tl { border-top: 1px solid var(--line); }
.tl__row {
  display: grid; grid-template-columns: 96px 1fr; gap: 6px 20px; padding: 22px 0; border-bottom: 1px solid var(--line);
}
@media (min-width: 640px) { .tl__row { grid-template-columns: 110px 1fr auto; align-items: start; } }
.tl__when { font-size: 13px; font-weight: 600; color: var(--muted); padding-top: 3px; font-variant-numeric: tabular-nums; }
.tl__what h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.tl__what p { color: var(--muted); font-size: 15px; margin-top: 4px; }
.tl__who { display: flex; gap: 6px; flex-wrap: wrap; grid-column: 2; }
@media (min-width: 640px) { .tl__who { grid-column: auto; justify-content: flex-end; padding-top: 1px; } }
.tl__row--day { background: var(--sand); margin: 0 -16px; padding-left: 16px; padding-right: 16px; border-radius: 10px; border-bottom-color: transparent; }
.tl__row--day .tl__when { color: var(--clay-ink); }

/* Levers */
.levers { display: grid; gap: 20px; margin-top: 48px; }
@media (min-width: 900px) { .levers { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.lever { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.lever__title { font-family: var(--serif); font-weight: 400; font-size: 26px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.lever li { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--muted); line-height: 1.45; }
.lever li:last-child { border-bottom: 0; padding-bottom: 0; }
.lever strong { color: var(--ink); font-weight: 600; }

/* Email */
.email { display: grid; gap: 40px; }
@media (min-width: 960px) { .email { grid-template-columns: 1fr 2fr; gap: 64px; align-items: start; } }
.mail { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.mail__head {
  display: flex; align-items: center; gap: 12px 18px; flex-wrap: wrap;
  padding: 22px 28px; background: #fff; border-bottom: 1px solid var(--line);
}
.mail__label { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.mail__subject { flex: 1 1 220px; font-size: 16px; }
.mail__copy { flex: none; min-width: 124px; }
.mail__body { padding: 32px 28px 36px; font-size: 16.5px; line-height: 1.7; color: var(--ink-2); }
@media (min-width: 640px) { .mail__body { padding: 40px 44px 44px; } .mail__head { padding: 22px 44px; } }
.mail__body p + p, .mail__body p + ul, .mail__body ul + p { margin-top: 18px; }
.mail__body ul { list-style: disc; padding-left: 22px; }
.mail__body li + li { margin-top: 6px; }
.mail__body li::marker { color: var(--clay); }
.email__foot { margin-top: 18px; font-size: 14px; font-style: italic; color: var(--muted); }

/* FAQ */
.faq { display: grid; gap: 32px; }
@media (min-width: 960px) { .faq { grid-template-columns: 1fr 2fr; gap: 64px; } }
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font-size: 18px; font-weight: 500; letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 12px; height: 12px;
  background: linear-gradient(var(--ink), var(--ink)) center / 12px 1.5px no-repeat,
              linear-gradient(var(--ink), var(--ink)) center / 1.5px 12px no-repeat;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 40px 24px 0; color: var(--muted); font-size: 16px; max-width: 44em; }
.faq details a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--clay); text-underline-offset: 3px; }
.faq details a:hover { color: var(--clay-ink); }

/* CTA + footer */
.cta__inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.cta__inner .sub { margin: 20px auto 36px; }
.footer { background: var(--cv-bg); color: var(--cv-muted); border-top: 1px solid var(--cv-line); font-size: 14px; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding-top: 28px; padding-bottom: 28px; }
.footer .lockup { color: var(--cv-ink); }
