:root {
  --ink: #0a0a0a;
  --grey: #3a3a3a;
  --muted: #6b6b6b;
  --line: #e6e6e6;
  --surface: #f7f7f7;
  --accent: #10b981;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Instrument Sans", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 10; padding: 10px 14px; color: #fff; background: var(--ink); border-radius: 999px; }
.skip-link:focus { top: 16px; }

.site-header { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; letter-spacing: -.01em; }
.brand-signal, .eyebrow-dot { display: inline-block; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }
.desktop-nav { display: flex; gap: 28px; margin-left: auto; font-size: 13px; color: var(--muted); }
.desktop-nav a, .text-link, .site-footer a { transition: color .2s ease; }
.desktop-nav a:hover, .text-link:hover, .site-footer a:hover { color: var(--accent); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 22px; color: #fff; background: var(--ink); border: 1px solid var(--ink); border-radius: 999px; font-size: 14px; font-weight: 600; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); background: #282828; }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.button-small { min-height: 38px; padding: 0 16px; font-size: 12px; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .85fr); gap: clamp(40px, 8vw, 110px); align-items: center; padding-top: clamp(72px, 10vw, 132px); padding-bottom: clamp(72px, 10vw, 132px); }
.eyebrow, .section-kicker { margin: 0 0 22px; color: var(--muted); font-family: var(--mono); font-size: 11px; line-height: 1.3; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 9px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { letter-spacing: -.055em; font-weight: 600; }
h1 { max-width: 690px; margin-bottom: 26px; font-size: clamp(48px, 7vw, 88px); line-height: .98; }
h1 em, h2 span { font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; }
h1 em { font-style: italic; }
.hero-lede { max-width: 510px; margin-bottom: 32px; color: var(--grey); font-size: clamp(18px, 2vw, 21px); line-height: 1.45; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.text-link { font-size: 14px; font-weight: 600; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 0; max-width: 510px; margin-top: 64px; border-top: 1px solid var(--line); }
.hero-facts div { min-width: 33.333%; padding: 16px 16px 0 0; border-right: 1px solid var(--line); }
.hero-facts div:last-child { border-right: 0; padding-left: 16px; }
.hero-facts div:nth-child(2) { padding-left: 16px; }
.hero-facts strong, .hero-facts span { display: block; }
.hero-facts strong { font-size: 18px; letter-spacing: -.03em; }
.hero-facts span { margin-top: 3px; color: var(--muted); font-family: var(--mono); font-size: 10px; line-height: 1.3; text-transform: uppercase; }
.hero-visual { position: relative; margin: 0; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; }
.hero-visual img { position: relative; z-index: 1; width: 100%; border-radius: 18px; mix-blend-mode: multiply; }
.visual-ring { position: absolute; z-index: 0; top: 16%; right: 8%; width: 42%; aspect-ratio: 1; border: 1px solid var(--accent); border-radius: 50%; opacity: .9; }
.hero-visual figcaption, .article-visual figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 16px 2px 2px; color: var(--muted); font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .04em; }

.section { padding-top: clamp(88px, 12vw, 160px); padding-bottom: clamp(88px, 12vw, 160px); }
.section-heading { max-width: 620px; margin-bottom: 54px; }
.section-heading h2, .price-copy h2, .final-cta h2 { margin-bottom: 22px; font-size: clamp(42px, 5.5vw, 72px); line-height: .98; }
.section-heading > p:last-child, .price-copy > p:not(.section-kicker), .split-heading > p { max-width: 420px; margin-bottom: 0; color: var(--muted); font-size: 17px; line-height: 1.5; }
.deliverables-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 24px; align-items: stretch; }
.file-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: stretch; }
.file-card, .input-card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.file-card { min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; }
.file-type, .input-index { color: var(--accent); font-family: var(--mono); font-size: 11px; }
.file-card h3, .input-card h3 { margin: 36px 0 9px; font-size: 22px; letter-spacing: -.03em; }
.file-card p, .input-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.article-visual { display: flex; flex-direction: column; justify-content: space-between; min-height: 220px; margin: 0; padding: 16px; overflow: hidden; background: var(--surface); border-radius: 22px; }
.article-visual img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; mix-blend-mode: multiply; }

.section-dark { color: #fff; background: var(--ink); }
.section-heading-dark { margin-bottom: 72px; }
.section-heading-dark .section-kicker { color: #9d9d9d; }
.steps { padding: 0; margin: 0; list-style: none; border-top: 1px solid #343434; }
.step { display: grid; grid-template-columns: 72px minmax(0, 1fr) 32px; gap: 24px; align-items: center; padding: 28px 0; border-bottom: 1px solid #343434; }
.step-number { color: var(--accent); font-family: var(--mono); font-size: 11px; }
.step h3 { margin: 0 0 4px; font-size: 24px; font-weight: 500; letter-spacing: -.03em; }
.step p { margin: 0; color: #9d9d9d; font-size: 15px; }
.step-mark { color: #777; font-size: 20px; }

.split-heading { display: flex; justify-content: space-between; gap: 48px; align-items: end; max-width: none; }
.split-heading > div { flex: 1; }
.split-heading > p { margin-bottom: 9px; }
.input-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.input-card { min-height: 238px; background: var(--surface); }
.input-card h3 { margin-top: 56px; }

.price-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding-top: clamp(88px, 12vw, 160px); padding-bottom: clamp(88px, 12vw, 160px); border-top: 1px solid var(--line); }
.price-copy > p:not(.section-kicker) { margin-bottom: 32px; }
.price-card { padding: clamp(28px, 5vw, 56px); border: 1px solid var(--line); border-radius: 28px; background: var(--surface); }
.price-amount { display: flex; align-items: baseline; gap: 10px; }
.price-amount span { font-size: clamp(60px, 8vw, 100px); line-height: .9; font-weight: 600; letter-spacing: -.07em; }
.price-amount small { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.price-rule { height: 1px; margin: 36px 0 12px; background: var(--accent); }
.price-card dl { margin: 0; }
.price-card dl div { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.price-card dl div:last-child { border-bottom: 0; }
.price-card dt { color: var(--muted); }
.price-card dd { margin: 0; font-weight: 600; }

.faq-section { border-top: 1px solid var(--line); }
.faq-list { max-width: 780px; margin-left: auto; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; cursor: pointer; list-style: none; font-size: 19px; font-weight: 500; letter-spacing: -.02em; }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--accent); font-family: var(--mono); font-size: 20px; font-weight: 400; }
details[open] summary span { transform: rotate(45deg); }
details p { max-width: 640px; padding: 0 48px 24px 0; margin: 0; color: var(--muted); font-size: 15px; }

.final-cta { position: relative; padding-top: clamp(88px, 12vw, 150px); padding-bottom: clamp(96px, 13vw, 170px); text-align: center; border-top: 1px solid var(--line); }
.final-signal { display: block; width: 6px; height: 6px; margin: 0 auto 30px; background: var(--accent); border-radius: 50%; }
.final-cta .section-kicker { margin-bottom: 22px; }
.final-cta h2 { margin-bottom: 34px; }
.final-cta h2 span { color: var(--muted); }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; padding-bottom: 28px; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .04em; text-transform: uppercase; }

@media (max-width: 800px) {
  .desktop-nav { display: none; }
  .hero, .deliverables-layout, .price-section { grid-template-columns: 1fr; }
  .hero { gap: 56px; }
  .hero-visual { max-width: 620px; }
  .file-grid { order: 2; }
  .article-visual { order: 1; }
  .split-heading { display: block; }
  .split-heading > p { margin-top: 24px; }
  .price-section { gap: 48px; }
  .faq-list { margin-left: 0; }
}
@media (max-width: 540px) {
  .shell { width: min(100% - 28px, 1160px); }
  .site-header { min-height: 68px; }
  .site-header .button-small { padding: 0 13px; }
  .hero { padding-top: 64px; padding-bottom: 72px; }
  h1 { font-size: clamp(45px, 14vw, 68px); }
  .hero-facts { margin-top: 48px; }
  .hero-facts div { min-width: 50%; }
  .hero-facts div:nth-child(2) { padding-left: 14px; border-right: 0; }
  .hero-facts div:last-child { min-width: 100%; padding: 14px 0 0; border-top: 1px solid var(--line); }
  .file-grid, .input-grid { grid-template-columns: 1fr; }
  .file-card { min-height: 160px; }
  .file-card h3 { margin-top: 24px; }
  .input-card { min-height: 180px; }
  .input-card h3 { margin-top: 35px; }
  .step { grid-template-columns: 42px minmax(0, 1fr) 18px; gap: 12px; padding: 22px 0; }
  .step h3 { font-size: 20px; }
  .step p { font-size: 14px; }
  summary { font-size: 17px; }
  .site-footer { display: block; }
  .site-footer a { display: block; margin-top: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}