/* =========================================================
   Through Line — Specimen redesign
   Drop-in replacement for the existing styles.css.
   Pairs Fraunces (display, variable) with Satoshi (body).
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT@0,9..144,300..700,0..100;1,9..144,300..700,0..100&display=swap');

/* ── Fonts (self-hosted Satoshi) ─────────────────────────── */
@font-face {
  font-family: 'Satoshi';
  font-weight: 300; font-style: normal; font-display: swap;
  src: url('fonts/satoshi-300.woff2') format('woff2');
}
@font-face {
  font-family: 'Satoshi';
  font-weight: 400; font-style: normal; font-display: swap;
  src: url('fonts/satoshi-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Satoshi';
  font-weight: 500; font-style: normal; font-display: swap;
  src: url('fonts/satoshi-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Satoshi';
  font-weight: 700; font-style: normal; font-display: swap;
  src: url('fonts/satoshi-700.woff2') format('woff2');
}

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  --paper: #F4F1E8;
  --paper-2: #EBE7D9;
  --ink: #14130E;
  --ink-2: #2E2C22;
  --ink-3: #5A5648;
  --rule: #D4CFBC;
  --rule-strong: #ADA791;
  --accent: #8B2E1F;
  --accent-deep: #6E2317;
  --accent-soft: #EBD9D2;
  --accent-pale: #E2B5A8;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Satoshi', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; padding: 0; margin: 0; }
button { font: inherit; }

.serif { font-family: 'Fraunces', serif; font-variation-settings: "opsz" 144, "SOFT" 50; }
.mono { font-family: ui-monospace, 'SF Mono', monospace; }

/* ── Layout ──────────────────────────────────────────────── */
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 56px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 0 56px; }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0; z-index: 10;
}
.site-header.scrolled { box-shadow: 0 1px 0 rgba(0,0,0,0.04); }
.header-inner {
  max-width: 1240px; margin: 0 auto;
  padding: 16px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.wordmark {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 36, "wght" 500;
  font-size: 22px; letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 12px;
  color: var(--ink);
}
.wordmark .glyph {
  font-style: italic;
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 100;
  font-size: 28px; color: var(--accent); line-height: 1;
}
.meta-bar {
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Satoshi', sans-serif; font-weight: 500; font-size: 14px;
  padding: 14px 24px; border-radius: 0; border: 1px solid transparent;
  transition: all .18s cubic-bezier(.22,1,.36,1);
  cursor: pointer;
}
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-outline { color: var(--ink); border-color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-ghost {
  border: none; padding: 0; background: transparent;
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 400, "SOFT" 0;
  font-style: italic; font-size: 16px;
  color: var(--accent); border-bottom: 1px solid currentColor; padding-bottom: 1px;
  border-radius: 0;
}

/* ── Hero — title page ───────────────────────────────────── */
.hero {
  padding: 100px 0 120px;
  border-bottom: 1px solid var(--rule);
  text-align: center;
}
.hero-rule { display: flex; align-items: center; justify-content: center; gap: 18px; margin: 0 0 56px; }
.hero-rule::before, .hero-rule::after { content: ""; height: 1px; width: 80px; background: var(--rule-strong); }
.hero-rule span {
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-3);
}
.h-hero {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 360, "SOFT" 50;
  font-size: clamp(64px, 7vw, 108px);
  line-height: 0.96; letter-spacing: -0.025em;
  margin: 0 auto 40px; max-width: 16ch; color: var(--ink); text-wrap: balance;
}
.h-hero em {
  font-style: italic; color: var(--accent);
  font-variation-settings: "opsz" 144, "wght" 360, "SOFT" 100;
}
.h-hero-amp {
  display: block; font-style: italic; color: var(--accent);
  font-size: 0.6em; line-height: 1; margin: 0.06em 0;
  font-variation-settings: "opsz" 144, "wght" 300, "SOFT" 100;
}
.byline {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 400, "SOFT" 0;
  font-size: 22px; line-height: 1.5; color: var(--ink-2);
  max-width: 50ch; margin: 0 auto 56px;
}
.byline em { font-style: italic; }
.hero-tags {
  display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap;
  margin: 0 auto 64px;
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
}
.hero-tags li { display: inline-flex; align-items: center; gap: 18px; }
.hero-tags li::after { content: "·"; color: var(--rule-strong); }
.hero-tags li:last-child::after { display: none; }
.hero-cta { display: flex; gap: 20px; justify-content: center; align-items: center; flex-wrap: wrap; }
.imprint {
  margin-top: 80px;
  padding-top: 32px; border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3); text-align: left;
}
.imprint > div span:first-child { display: block; color: var(--accent); margin-bottom: 6px; }

/* ── Section ─────────────────────────────────────────────── */
.section { padding: 110px 0; border-bottom: 1px solid var(--rule); }
.section.alt { background: var(--paper-2); }
.folio {
  display: flex; align-items: baseline; justify-content: space-between;
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-3); margin: 0 0 48px;
  padding-bottom: 14px; border-bottom: 1px solid var(--rule);
}
.folio .left { color: var(--accent); }
.diagnosis-folio-label { font-size: calc(11px + 4pt); }
.h-section {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 360, "SOFT" 50;
  font-size: clamp(44px, 5vw, 68px);
  line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 56px;
  max-width: 22ch;
}
.h-section em {
  font-style: italic; color: var(--accent);
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 100;
}

/* ── Problem ─────────────────────────────────────────────── */
.problem-lede {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 36, "wght" 380, "SOFT" 50;
  font-size: 28px; line-height: 1.35; letter-spacing: -0.012em;
  color: var(--ink-2); max-width: 36ch; margin: 0 0 64px;
}
.problem-lede em { font-style: italic; color: var(--accent); }
.diag {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
}
.diag li {
  padding: 36px 36px 36px 0;
  border-right: 1px solid var(--rule);
  display: grid; grid-template-rows: auto auto 1fr; gap: 18px;
}
.diag li:not(:first-child) { padding-left: 36px; }
.diag li:last-child { border-right: 0; padding-right: 0; }
.diag-roman {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 100;
  font-style: italic; font-size: 56px; line-height: 0.9; color: var(--accent); letter-spacing: -0.02em;
}
.diag-head {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 36, "wght" 460, "SOFT" 50;
  font-size: 22px; line-height: 1.25; letter-spacing: -0.01em; color: var(--ink);
  max-width: 22ch; margin: 0;
}
.diag-body { font-size: 14px; line-height: 1.6; color: var(--ink-3); max-width: 32ch; margin: 0; }

/* ── Process ─────────────────────────────────────────────── */
.process { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.process-text p {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 380, "SOFT" 0;
  font-size: 22px; line-height: 1.65; color: var(--ink-2);
  margin: 0 0 1.1em; max-width: 38ch;
}
.process-text .first::first-letter {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 360, "SOFT" 50;
  font-size: 4.4em; line-height: 0.85; float: left;
  padding: 6px 10px 0 0; color: var(--accent);
}
.pull {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 96, "wght" 320, "SOFT" 100;
  font-style: italic;
  font-size: 36px; line-height: 1.2; letter-spacing: -0.012em;
  color: var(--ink); max-width: 18ch;
  margin: 48px 0 0;
  padding: 32px 0; border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent);
}
.pull-cite {
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3); margin: 18px 0 0;
}

/* Strategic-approach card */
.approach {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 36px 36px 0;
}
.approach-label {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-bottom: 18px; margin: 0 0 12px;
  border-bottom: 1px solid var(--rule);
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
}
.approach-label .lead {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 36, "wght" 480, "SOFT" 50;
  font-style: normal; font-size: 28px; letter-spacing: -0.005em; text-transform: none;
  color: var(--ink);
}
.approach-label .pg { color: var(--accent); }
.steps { display: grid; gap: 0; margin: 0; }
.step {
  display: grid; grid-template-columns: 84px 1fr; gap: 32px; align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
}
.step:first-child { border-top: 0; }
.step:last-child { padding-bottom: 40px; }
.step-num {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 100;
  font-style: italic; font-size: 62px; line-height: 1; color: var(--accent); letter-spacing: -0.015em;
}
.step h3 {
  margin: 0 0 8px; font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 36, "wght" 480, "SOFT" 50;
  font-size: 30px; letter-spacing: -0.015em; line-height: 1.1;
}
.step p {
  margin: 0; font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 400, "SOFT" 0;
  font-size: 18px; line-height: 1.5; color: var(--ink-3); max-width: 32ch;
}

/* ── Pricing — table-of-contents ─────────────────────────── */
.pricing-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  margin: 0 0 64px;
}
.pricing-intro p {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 400, "SOFT" 0;
  font-size: calc(17px + 4pt); line-height: 1.65; color: var(--ink-2); margin: 0;
}
.pricing-intro p em { font-style: italic; color: var(--accent); }
.toc { border-top: 2px solid var(--ink); }
.toc-row {
  display: grid; grid-template-columns: 80px 1.4fr 2.4fr auto auto auto;
  gap: 36px; align-items: center;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  transition: background .15s;
}
.toc-row > * { align-self: center; }
.toc-row.feat { background: var(--paper-2); padding-left: 24px; padding-right: 24px; margin: 0 -24px; }
.toc-row .num {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 100;
  font-style: italic; font-size: calc(36px + 2pt); line-height: 1; color: var(--accent); letter-spacing: -0.01em;
}
.toc-row .title {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 36, "wght" 480, "SOFT" 50;
  font-size: calc(26px + 2pt); letter-spacing: -0.012em; line-height: 1.15;
}
.toc-row .title small {
  display: block;
  font-family: ui-monospace, monospace; font-size: calc(10px + 2pt); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3); margin-top: 6px; font-weight: normal;
}
.toc-row .title .feat-tag {
  display: inline-block; margin-left: 10px; padding: 3px 8px;
  background: var(--accent); color: var(--paper);
  font-family: ui-monospace, monospace; font-size: calc(9px + 2pt); letter-spacing: 0.18em; text-transform: uppercase;
  vertical-align: middle;
}
.toc-row .desc {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 400, "SOFT" 0;
  font-size: calc(15px + 2pt); line-height: 1.55; color: var(--ink-2); max-width: 44ch; margin: 0;
}
.toc-row .price {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 96, "wght" 380, "SOFT" 50;
  font-size: calc(28px + 2pt); letter-spacing: -0.015em; color: var(--ink); white-space: nowrap;
}
.toc-row .price .unit {
  font-family: 'Satoshi', sans-serif; font-size: calc(13px + 2pt); color: var(--ink-3); margin-left: 2px; font-weight: 400;
}
.toc-row .turn {
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3); white-space: nowrap;
}
.toc-row .arr {
  font-family: 'Fraunces', serif; font-style: italic; font-size: calc(24px + 2pt); color: var(--accent);
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 100;
}

/* ── Final CTA — back cover ──────────────────────────────── */
.final {
  background: var(--ink); color: var(--paper);
  padding: 140px 0;
  text-align: center;
  border-bottom: 0;
}
.final-rule { display: flex; align-items: center; justify-content: center; gap: 18px; margin: 0 0 40px; }
.final-rule::before, .final-rule::after { content: ""; height: 1px; width: 60px; background: rgba(244,241,232,0.3); }
.final-rule span {
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(244,241,232,0.55);
}
.final h2 {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 50;
  font-size: clamp(56px, 6vw, 92px); line-height: 0.98; letter-spacing: -0.025em;
  margin: 0 auto 32px; max-width: 14ch; color: var(--paper);
}
.final h2 em {
  font-style: italic; color: var(--accent-pale);
  font-variation-settings: "opsz" 144, "wght" 320, "SOFT" 100;
}
.final p {
  font-family: 'Fraunces', serif;
  font-variation-settings: "opsz" 14, "wght" 380, "SOFT" 0;
  font-size: 19px; line-height: 1.55; color: rgba(244,241,232,0.8);
  max-width: 56ch; margin: 0 auto 48px;
}
.final .btn-primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.final .btn-primary:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.colophon {
  margin-top: 96px; padding-top: 36px;
  border-top: 1px solid rgba(244,241,232,0.18);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px;
  text-align: left;
  font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(244,241,232,0.55);
}
.colophon span:first-child { display: block; color: var(--accent-pale); margin-bottom: 8px; }
.colophon a { color: rgba(244,241,232,0.9); border-bottom: 1px solid rgba(244,241,232,0.3); padding-bottom: 1px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 880px) {
  .wrap, .wrap-narrow, .header-inner { padding-left: 24px; padding-right: 24px; }
  .hero { padding: 64px 0 80px; }
  .section { padding: 72px 0; }
  .imprint, .diag, .process, .pricing-intro { grid-template-columns: 1fr; gap: 24px; }
  .diag li { border-right: 0; border-bottom: 1px solid var(--rule); padding: 24px 0 !important; }
  .diag li:last-child { border-bottom: 0; }
  .toc-row { grid-template-columns: 60px 1fr; gap: 16px; }
  .toc-row .desc, .toc-row .turn, .toc-row .arr { grid-column: 2; }
  .toc-row .price { grid-column: 1 / -1; font-size: 22px; }
  .colophon { grid-template-columns: repeat(2, 1fr); }
  .meta-bar { display: none; }
}