/* brenn studio — homepage styles */

:root {
  --ink: #0A0A0A;
  --pitch: #1A1A1A;
  --graphite: #3D3D3D;
  --smoke: #8A8A8A;
  --chalk: #F2F0EB;
  --white: #FFFFFF;
  --brenn: #C4541A;

  --bg: var(--white);
  --fg: var(--ink);
  --fg-2: var(--graphite);
  --fg-3: var(--smoke);
  --surface: var(--chalk);
  --rule: rgba(10,10,10,0.12);
  --rule-soft: rgba(10,10,10,0.06);

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', Inter, system-ui, -apple-system, Helvetica, Arial, sans-serif;

  --max: 1240px;
  --gutter: 32px;
}

[data-theme="ink"] {
  --bg: var(--ink);
  --fg: #F4F2ED;
  --fg-2: #C9C6BF;
  --fg-3: #7A7872;
  --surface: #141414;
  --rule: rgba(244,242,237,0.14);
  --rule-soft: rgba(244,242,237,0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background 600ms ease, color 600ms ease;
}

body { overflow-x: hidden; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }

::selection { background: var(--brenn); color: var(--white); }

/* ---------- Typography ---------- */

.display {
  font-family: var(--serif);
  font-weight: 300;
  letter-spacing: -0.018em;
  line-height: 1.04;
  color: var(--fg);
}
.display em { font-style: italic; font-weight: 300; }

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 28px;
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--fg);
}

.body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-2);
  text-wrap: pretty;
  max-width: 60ch;
}

.brenn-word { color: var(--brenn); }

/* ---------- Layout primitives ---------- */

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

.rule {
  height: 1px;
  background: var(--rule);
  width: 100%;
}

.rule-soft { background: var(--rule-soft); }

/* ---------- Top nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--rule-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.logo {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.16em;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.logo .dot {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--brenn);
  border-radius: 50%;
  transform: translateY(-2px);
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--fg-2);
  position: relative;
  transition: color 200ms ease;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  border: 1px solid var(--fg);
  color: var(--fg);
  transition: background 200ms, color 200ms;
}
.nav-cta:hover { background: var(--fg); color: var(--bg); }

/* ---------- Buttons ---------- */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--brenn);
  color: #fff;
  padding: 18px 28px;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease;
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-primary .arrow { transition: transform 220ms ease; }
.btn-primary:hover .arrow { transform: translateX(6px); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--fg);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--fg);
}
.btn-link:hover { color: var(--brenn); border-bottom-color: var(--brenn); }

/* ---------- Section scaffolding ---------- */

.section {
  padding: 140px 0;
  position: relative;
}
.section-sm { padding: 100px 0; }

.section-num {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--fg-3);
  text-transform: uppercase;
}

/* ---------- Hero ---------- */

.hero {
  padding: 120px 0 140px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 80px;
  align-items: end;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 7.2vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}
.hero h1 em {
  font-style: italic;
  font-weight: 300;
}

.hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
}

.hero-body p {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-2);
  margin: 0 0 18px;
  max-width: 50ch;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
.hero-aside .label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* The mark — single thin geometric structural element */
.hero-mark {
  position: absolute;
  top: 90px;
  right: var(--gutter);
  width: 96px;
  height: 96px;
  pointer-events: none;
}
.hero-mark svg { width: 100%; height: 100%; display: block; overflow: visible; }
.hero-mark .stroke { stroke: var(--fg); stroke-width: 0.75; fill: none; }
.hero-mark .accent { stroke: var(--brenn); stroke-width: 0.75; fill: none; }

/* Hairline marker that sits beside the eyebrow */
.tick {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.tick::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--fg);
}
.tick.brenn::before { background: var(--brenn); }

/* ---------- Section 02 — The Question Nobody Asks ---------- */

.q-section {
  padding: 160px 0;
  border-top: 1px solid var(--rule);
}

.pull-quote {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.018em;
  margin: 28px 0 0;
  text-wrap: balance;
  max-width: 18ch;
}

.q-body {
  margin-top: 80px;
  max-width: 62ch;
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-2);
}
.q-body p { margin: 0 0 22px; }

.four-questions {
  margin-top: 140px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 38px;
}
.four-questions .fq {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.four-questions .fq .key { color: var(--fg); }
.four-questions .fq:nth-child(1) .key { color: var(--brenn); } /* one accent */
.four-questions-after {
  margin-top: 70px;
  text-align: center;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ---------- Section 03 — Bolt-On vs. Built-In ---------- */

.contrast {
  padding: 160px 0;
  border-top: 1px solid var(--rule);
}
.contrast-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}
.contrast-head h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 24px 0 0;
}

.contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.contrast-divider {
  background: linear-gradient(to bottom, var(--rule) 0%, var(--brenn) 50%, var(--rule) 100%);
}
.contrast-col {
  padding: 56px 48px 56px 0;
}
.contrast-col + .contrast-divider + .contrast-col {
  padding: 56px 0 56px 48px;
}
.contrast-label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.contrast-label .swatch {
  width: 8px; height: 8px;
  background: var(--fg-3);
}
.contrast-col.right .contrast-label .swatch { background: var(--brenn); }
.contrast-col h3 {
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: 32px;
  line-height: 1.15;
  margin: 0 0 36px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.contrast-col.right h3 { color: var(--fg); }
.contrast-row {
  padding: 18px 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg-2);
  border-bottom: 1px solid var(--rule-soft);
}
.contrast-col.right .contrast-row { color: var(--fg); }
.contrast-row:last-child { border-bottom: 0; }

/* ---------- Section 04 — Offer entry / Quiz CTA ---------- */

.offer {
  padding: 160px 0;
  border-top: 1px solid var(--rule);
}
.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: end;
}
.offer h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 28px 0 0;
}
.dimensions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.dimensions li {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--fg-2);
}
.dimensions li .num {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-3);
}
.dimensions li .name {
  color: var(--fg);
  font-weight: 500;
}
.dimensions li .meta {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ---------- Section 05 — Social proof ---------- */

.proof {
  padding: 160px 0;
  border-top: 1px solid var(--rule);
  background: var(--surface);
  transition: background 600ms ease;
}
.proof-inner { max-width: 980px; margin: 0 auto; }
.proof blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 36px 0 0;
  color: var(--fg);
  text-wrap: balance;
}
.proof-cite {
  margin-top: 60px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--fg-3);
  text-transform: uppercase;
}
.proof-placeholder {
  margin-top: 28px;
  border: 1px dashed var(--rule);
  padding: 36px 32px;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  line-height: 1.7;
}

/* ---------- Section 06 — Who this is for ---------- */

.who {
  padding: 160px 0;
  border-top: 1px solid var(--rule);
}
.who-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
}
.who h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(32px, 3.8vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin: 0;
}
.who p {
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-2);
  max-width: 60ch;
  margin: 0 0 22px;
}
.who p:last-child { color: var(--fg); }

/* ---------- Section 07 — Final CTA ---------- */

.final-cta {
  padding: 200px 0;
  border-top: 1px solid var(--rule);
  text-align: left;
}
.final-cta h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 6.4vw, 92px);
  line-height: 1.0;
  letter-spacing: -0.022em;
  margin: 28px 0 0;
  max-width: 18ch;
  text-wrap: balance;
}
.final-cta h2 .accent { color: var(--brenn); font-style: italic; }
.final-cta-body {
  margin-top: 56px;
  max-width: 56ch;
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg-2);
}
.final-cta-body p { margin: 0 0 22px; }
.final-cta-actions { margin-top: 56px; }

/* ---------- Footer ---------- */

.foot {
  padding: 80px 0 60px;
  border-top: 1px solid var(--rule);
}
.foot-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.foot-tag {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 28px;
  line-height: 1.1;
  margin-top: 18px;
}
.foot-col h4 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 18px;
}
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin-bottom: 10px; font-size: 14px; color: var(--fg-2); }
.foot-col a:hover { color: var(--fg); }
.foot-base {
  margin-top: 80px;
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  padding-top: 28px;
  border-top: 1px solid var(--rule-soft);
}

/* ---------- Scroll motion ---------- */

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms cubic-bezier(0.2, 0.6, 0.1, 1),
              transform 900ms cubic-bezier(0.2, 0.6, 0.1, 1);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
.fade-up.in {
  opacity: 1;
  transform: translateY(0);
}

.split-line {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}
.split-line > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 900ms cubic-bezier(0.2, 0.6, 0.1, 1);
  transition-delay: var(--d, 0ms);
}
.split-line.in > span { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-up, .split-line > span { transition: none !important; transform: none !important; opacity: 1 !important; }
}

/* ---------- Layout direction variants ---------- */

/* MODULAR — tighter grid, structured rhythm */
[data-layout="modular"] .hero { padding: 100px 0; }
[data-layout="modular"] .hero h1 { font-size: clamp(44px, 6vw, 84px); }
[data-layout="modular"] .hero-grid { gap: 56px; }
[data-layout="modular"] .section, 
[data-layout="modular"] .q-section,
[data-layout="modular"] .contrast,
[data-layout="modular"] .offer,
[data-layout="modular"] .who,
[data-layout="modular"] .proof { padding-top: 110px; padding-bottom: 110px; }
[data-layout="modular"] .four-questions {
  text-align: left;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 80px;
  margin-top: 100px;
}
[data-layout="modular"] .four-questions .fq {
  font-size: clamp(26px, 3vw, 38px);
  border-left: 1px solid var(--rule);
  padding-left: 28px;
}
[data-layout="modular"] .four-questions-after { text-align: left; padding-left: 28px; }
[data-layout="modular"] .pull-quote { max-width: 22ch; }
[data-layout="modular"] .final-cta h2 { font-size: clamp(44px, 5.4vw, 76px); }

/* ASYMMETRIC — offset, dramatic, larger display type */
[data-layout="asymmetric"] .hero { padding: 140px 0 180px; }
[data-layout="asymmetric"] .hero h1 {
  font-size: clamp(56px, 9.5vw, 132px);
  letter-spacing: -0.028em;
}
[data-layout="asymmetric"] .hero-grid {
  grid-template-columns: 1fr;
  gap: 100px;
}
[data-layout="asymmetric"] .hero-meta {
  grid-template-columns: 5fr 4fr;
  margin-left: 30%;
}
[data-layout="asymmetric"] .pull-quote {
  font-size: clamp(48px, 7vw, 96px);
  margin-left: 12%;
  max-width: 16ch;
}
[data-layout="asymmetric"] .four-questions {
  text-align: left;
  margin-top: 160px;
  padding-left: 6%;
}
[data-layout="asymmetric"] .four-questions .fq {
  font-size: clamp(38px, 5.6vw, 72px);
}
[data-layout="asymmetric"] .four-questions .fq:nth-child(2) { padding-left: 8%; }
[data-layout="asymmetric"] .four-questions .fq:nth-child(3) { padding-left: 16%; }
[data-layout="asymmetric"] .four-questions .fq:nth-child(4) { padding-left: 24%; }
[data-layout="asymmetric"] .four-questions-after { text-align: left; }
[data-layout="asymmetric"] .contrast-head { grid-template-columns: 1fr; }
[data-layout="asymmetric"] .contrast-head h2 { font-size: clamp(48px, 6vw, 84px); max-width: 14ch; }
[data-layout="asymmetric"] .final-cta h2 { font-size: clamp(56px, 8vw, 120px); }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  :root { --gutter: 24px; }
  .nav-links { display: none; }
  .nav-cta { padding: 8px 14px; font-size: 12px; }
  .hero { padding: 80px 0 100px; }
  .hero-grid { gap: 56px; }
  .hero h1 { font-size: clamp(40px, 11vw, 72px); }
  .hero-meta { grid-template-columns: 1fr; gap: 40px; }
  .hero-mark { width: 64px; height: 64px; top: 64px; }
  .section, .q-section, .contrast, .offer, .who, .proof, .final-cta { padding: 100px 0; }
  .pull-quote { font-size: clamp(36px, 9vw, 56px); max-width: 100%; }
  .four-questions { margin-top: 80px; gap: 28px; }
  .four-questions .fq { font-size: clamp(28px, 7vw, 40px); }
  .contrast-head { grid-template-columns: 1fr; gap: 28px; }
  .contrast-grid { grid-template-columns: 1fr; }
  .contrast-divider { display: none; }
  .contrast-col { padding: 36px 0; border-bottom: 1px solid var(--rule); }
  .contrast-col + .contrast-divider + .contrast-col { padding: 36px 0; border-top: 1px solid var(--brenn); }
  .offer-grid { grid-template-columns: 1fr; gap: 56px; }
  .who-grid { grid-template-columns: 1fr; gap: 24px; }
  .final-cta h2 { font-size: clamp(40px, 11vw, 64px); }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .foot-tag { font-size: 22px; }
  .foot-base { flex-direction: column; gap: 12px; }

  /* asymmetric mobile fallback */
  [data-layout="asymmetric"] .hero-meta { margin-left: 0; grid-template-columns: 1fr; }
  [data-layout="asymmetric"] .pull-quote { margin-left: 0; }
  [data-layout="asymmetric"] .four-questions { padding-left: 0; }
  [data-layout="asymmetric"] .four-questions .fq:nth-child(n) { padding-left: 0; }
}