/* Melanie Bello — Portfolio
   Aesthetic: warm earth tones, editorial serif, gallery whitespace.
*/

:root {
  --bg: #ede7d9;
  --bg-2: #e6dfcd;
  --paper: #f3eee2;
  --ink: #1a1714;
  --ink-2: #2a2520;
  --mahogany: #584738;
  --tobacco: #8a6a4f;
  --sand: #c9b89a;
  --mute: #6b6359;
  --rule: #d8cfbe;
  --rule-strong: #b8ad97;
  --accent: #b8001f;
  --cream-deep: #e8dfcd;

  --serif: "Fraunces", "EB Garamond", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1440px;
  --gutter: clamp(28px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

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

.display {
  font-family: var(--serif);
  font-weight: 360;
  letter-spacing: -0.02em;
  line-height: 0.96;
  font-variation-settings: "SOFT" 30, "opsz" 144;
}
.display em { font-style: italic; font-weight: 360; }

.title {
  font-family: var(--serif);
  font-weight: 380;
  letter-spacing: -0.018em;
  line-height: 1.02;
  font-variation-settings: "opsz" 96;
}
.title em { font-style: italic; }

.eyebrow,
.meta-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.body-lg {
  font-family: var(--serif);
  font-weight: 360;
  font-size: clamp(20px, 1.6vw, 24px);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink-2);
  text-wrap: pretty;
}

.body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  text-wrap: pretty;
}

.muted { color: var(--mute); }

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

.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

/* ---- Reading stepper (case studies) ---- */

.read-stepper {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: color-mix(in oklab, var(--bg) 94%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.read-stepper__inner {
  display: block;
  position: relative;
  min-height: 6px;
  max-width: none;
  padding: 0;
}
.read-stepper__steps {
  display: grid;
  grid-template-columns: repeat(var(--steps, 5), 1fr);
  width: 100%;
  gap: 0;
}
.read-stepper__step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 0 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.read-stepper__step .num {
  font-variant-numeric: tabular-nums;
  color: var(--mute);
  opacity: 0.6;
  transition: color .25s, opacity .25s;
}
.read-stepper__step .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rule);
  flex-shrink: 0;
  transition: background .25s, transform .25s, box-shadow .25s;
}
.read-stepper__step.is-passed { color: var(--ink); }
.read-stepper__step.is-passed .num { opacity: 1; color: var(--ink); }
.read-stepper__step.is-passed .dot { background: var(--ink); }
.read-stepper__step.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.read-stepper__step.is-active .num { color: var(--accent); opacity: 1; }
.read-stepper__step.is-active .dot {
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
  transform: scale(1.15);
}
.read-stepper__progress {
  position: relative;
  left: 0; right: 0;
  width: 100%;
  height: 4px;
  background: var(--rule);
  overflow: hidden;
}
.read-stepper__progress::after {
  content: "";
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  background: var(--accent);
  transition: width .15s linear;
}
@media (max-width: 720px) {
  .read-stepper__step .label { display: none; }
  .read-stepper__inner { padding-top: 10px; }
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  letter-spacing: -0.01em;
}
.nav-brand .nav-brand__mark {
  display: inline-block;
  height: 36px;
  width: auto;
  vertical-align: middle;
}
.nav-brand .nav-brand__name {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  top: 1px;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }

.nav-status {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2f8a4d;
  box-shadow: 0 0 0 3px rgba(47,138,77,0.18);
  animation: nav-status-blink 1.6s ease-in-out infinite;
}
.nav-status.nav-status--plain::before { display: none; }

@keyframes nav-status-blink {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 3px rgba(47,138,77,0.18);
  }
  50% {
    opacity: 0.45;
    box-shadow: 0 0 0 6px rgba(47,138,77,0.04);
  }
}

@media (max-width: 720px) {
  .nav-status { display: none; }
  .nav-links { gap: 18px; }
  .nav-inner { padding-left: 32px; padding-right: 32px; }
  .nav-brand .nav-brand__name { display: none; }
}

/* ---- Mobile hamburger ---- */
.nav-toggle { display: none; }
.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}
.nav-burger__bars {
  position: relative;
  width: 18px;
  height: 12px;
}
.nav-burger__bars::before,
.nav-burger__bars::after,
.nav-burger__bars span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.nav-burger__bars::before { top: 0; }
.nav-burger__bars span { top: 50%; transform: translateY(-50%); }
.nav-burger__bars::after { top: 100%; transform: translateY(-100%); }

@media (max-width: 720px) {
  .nav-burger { display: inline-flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(82vw, 320px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    padding: 88px 28px 32px;
    background: #f7f3ea;
    background-color: #f7f3ea;
    border-left: 1px solid var(--rule-strong);
    box-shadow: -16px 0 40px rgba(20,18,15,0.18);
    transform: translateX(100%);
    transition: transform .32s cubic-bezier(.2,.7,.2,1);
    z-index: 60;
    font-size: 22px;
    font-family: var(--serif);
    font-weight: 380;
    letter-spacing: -0.01em;
    text-transform: none;
    color: var(--ink);
  }
  body.theme-ink .nav-links { background: #2a2520; background-color: #2a2520; }
  .nav-links a {
    color: var(--ink);
    padding: 18px 0;
    border-bottom: 1px solid var(--rule);
  }
  .nav-inner:has(.nav-toggle:checked) .nav-links { transform: translateX(0); }
  .nav-inner:has(.nav-toggle:checked) .nav-burger .nav-burger__bars::before { top: 50%; transform: translateY(-50%) rotate(45deg); }
  .nav-inner:has(.nav-toggle:checked) .nav-burger .nav-burger__bars::after  { top: 50%; transform: translateY(-50%) rotate(-45deg); }
  .nav-inner:has(.nav-toggle:checked) .nav-burger .nav-burger__bars span { opacity: 0; }
  .nav-inner:has(.nav-toggle:checked) .nav-scrim {
    opacity: 1;
    pointer-events: auto;
  }
  /* Drop backdrop-filter when menu is open so fixed children render correctly */
  .nav:has(.nav-toggle:checked) {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: transparent;
    border-bottom-color: transparent;
  }
}
.nav-scrim {
  position: fixed;
  inset: 0;
  background: rgba(20,18,15,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .32s ease;
  z-index: 55;
}

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

.footer {
  margin-top: clamp(80px, 10vw, 160px);
  border-top: 1px solid var(--rule);
  background: var(--bg-2);
}
.footer-inner {
  padding: clamp(60px, 8vw, 120px) 0 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 5vw, 80px);
}
.footer-headline {
  font-size: clamp(40px, 6vw, 88px);
}
.footer-sub {
  max-width: 56ch;
}
.footer-cta {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 380;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 8px;
  transition: gap .25s ease, color .2s, border-color .2s;
}
.footer-cta:hover { gap: 22px; color: var(--accent); border-color: var(--accent); }

.hero-view-work {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  transition: color .2s ease, gap .25s ease;
}
.hero-view-work .arr { display: inline-block; transition: transform .35s cubic-bezier(.2,.7,.2,1); }
.hero-view-work:hover { color: var(--accent); gap: 14px; }
.hero-view-work:hover .arr { transform: translateY(4px); }

.footer-socials {
  margin-top: clamp(56px, 6vw, 88px);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 380;
  letter-spacing: -0.005em;
}
.footer-socials a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 6px;
  transition: color .2s, border-color .2s, gap .25s ease;
}
.footer-socials a .arr { font-family: var(--mono); font-size: 0.7em; transition: transform .25s ease; display: inline-block; }
.footer-socials a:hover { color: var(--accent); border-color: var(--accent); gap: 14px; }
.footer-socials a:hover .arr { transform: translate(2px, -2px); }

@media (max-width: 720px) {
  .footer-socials { flex-direction: column; gap: 18px; }
}

@media (max-width: 720px) {
  .footer .shell { padding-left: 32px; padding-right: 32px; }
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

/* ---- Buttons / inline links ---- */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  transition: gap .2s;
}
.link-arrow:hover { gap: 14px; color: var(--accent); }

/* ---- Tags / chips ---- */

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: transparent;
}

/* ---- Image placeholder (striped, monospace label) ---- */

.placeholder {
  position: relative;
  background:
    repeating-linear-gradient(
      135deg,
      var(--cream-deep) 0px,
      var(--cream-deep) 12px,
      var(--bg-2) 12px,
      var(--bg-2) 24px
    );
  border: 1px solid var(--rule-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--mahogany);
  border-radius: 2px;
}
.placeholder--ink {
  background:
    repeating-linear-gradient(
      135deg,
      #232019 0px,
      #232019 12px,
      #1c1915 12px,
      #1c1915 24px
    );
  color: var(--sand);
  border-color: #2a2520;
}
.placeholder--mahogany {
  background:
    repeating-linear-gradient(
      135deg,
      #5b483a 0px,
      #5b483a 12px,
      #4f3f31 12px,
      #4f3f31 24px
    );
  color: #f1ece2;
  border-color: #3d2f25;
}
.placeholder--tobacco {
  background:
    repeating-linear-gradient(
      135deg,
      #927355 0px,
      #927355 12px,
      #856849 12px,
      #856849 24px
    );
  color: #f1ece2;
  border-color: #6b5238;
}

.placeholder__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  padding: 12px 18px;
  background: color-mix(in oklab, var(--paper) 86%, transparent);
  border: 1px solid currentColor;
  color: var(--mahogany);
  max-width: 80%;
  line-height: 1.5;
}
.placeholder--ink .placeholder__label,
.placeholder--mahogany .placeholder__label,
.placeholder--tobacco .placeholder__label {
  background: rgba(0,0,0,0.35);
  color: var(--paper);
  border-color: rgba(255,255,255,0.4);
}

.placeholder__caption {
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.65;
}

.fig-caption {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.fig-caption .num {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink);
  white-space: nowrap;
}

/* ---- Pull quote ---- */

.pullquote {
  padding: clamp(40px, 6vw, 80px) clamp(24px, 5vw, 80px);
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
}
.pullquote__text {
  font-family: var(--serif);
  font-weight: 360;
  font-style: italic;
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  max-width: 22ch;
  text-wrap: balance;
}
.pullquote__caption {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sand);
}

.pullquote--paper {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--rule);
}
.pullquote--paper .pullquote__caption { color: var(--mute); }

/* ---- Section header ---- */

.sec-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(20px, 4vw, 60px);
  align-items: baseline;
  padding: clamp(60px, 8vw, 120px) 0 clamp(28px, 4vw, 48px);
}
.sec-head__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.sec-head__title {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 72px);
  font-weight: 380;
  letter-spacing: -0.02em;
  line-height: 1;
}
.sec-head__title em { font-style: italic; }

@media (max-width: 720px) {
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
}

/* ---- Generic two-column ---- */

.two-col {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(20px, 4vw, 60px);
}
@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; gap: 12px; }
}

.prose p + p { margin-top: 1em; }
.prose p { font-size: 17px; line-height: 1.7; color: var(--ink-2); max-width: 64ch; }
.prose strong { font-weight: 600; color: var(--ink); }
.prose h3 {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: -0.012em;
  line-height: 1.15;
  margin: 48px 0 16px;
  color: var(--ink);
  max-width: 30ch;
}
.prose h3 em { font-style: italic; }
.prose h4 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin: 36px 0 8px;
  color: var(--ink);
  max-width: 48ch;
}
.prose ul {
  list-style: none;
  margin: 12px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.prose ul li {
  position: relative;
  padding-left: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 64ch;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.7em;
  width: 12px; height: 1px;
  background: var(--mahogany);
}
.prose em { font-style: italic; }
.prose blockquote {
  margin: 32px 0;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
}

/* ---- Case study header ---- */

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.case-meta dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 8px;
}
.case-meta dd {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
}
@media (max-width: 720px) {
  .case-meta { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

/* ---- Marquee / ticker ---- */

.marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
  overflow: hidden;
  white-space: nowrap;
  background: var(--bg-2);
}
.marquee__track {
  display: inline-flex;
  gap: 64px;
  animation: marquee 36s linear infinite;
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: 380;
  letter-spacing: -0.01em;
}
.marquee__track em { font-style: italic; color: var(--accent); }
.marquee__track span::after {
  content: "✺";
  margin-left: 64px;
  color: var(--tobacco);
  font-style: normal;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- Case study layout (TOC sticky + editorial body) ---- */
.case-hero {
  padding: clamp(48px, 8vw, 120px) 0 clamp(40px, 5vw, 72px);
}
.case-hero .eyebrow { color: var(--accent); }
.case-hero h1 {
  font-family: var(--serif);
  font-weight: 360;
  font-size: clamp(44px, 7.4vw, 132px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin-top: 18px;
  text-wrap: balance;
  font-variation-settings: "SOFT" 30, "opsz" 144;
}
.case-hero h1 em { font-style: italic; }
.case-hero .lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2vw, 30px);
  line-height: 1.35;
  color: var(--ink-2);
  margin-top: 28px;
  max-width: 44ch;
  font-weight: 360;
}

.case-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(28px, 5vw, 80px);
  position: relative;
  align-items: start;
}
.case-toc {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
}
.case-toc__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 8px;
}
.case-toc a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 4px 0;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: color .2s, border-color .2s;
}
.case-toc a:hover { color: var(--ink); }
.case-toc a.active {
  color: var(--ink);
  border-color: var(--accent);
}
@media (max-width: 900px) {
  .case-grid { grid-template-columns: 1fr; }
  .case-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    overflow-x: auto;
    border-bottom: 1px solid var(--rule);
  }
}

.act { padding: clamp(40px, 6vw, 80px) 0; border-top: 1px solid var(--rule); }
.act:first-child { border-top: 0; }
.act__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.act__title {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(34px, 4.8vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-top: 12px;
  max-width: 18ch;
  text-wrap: balance;
}
.act__title em { font-style: italic; }
.act__date {
  margin-top: 14px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--mute);
}

.act-prose { margin-top: clamp(28px, 4vw, 56px); }

/* Result tag */
.result {
  display: inline-block;
  margin: 32px 0 8px;
  padding: 18px 24px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 380;
  letter-spacing: -0.01em;
}
.result em { font-style: italic; color: var(--accent); }
.sec-ink .result { background: var(--paper); color: var(--ink); }
.sec-tobacco .result { background: var(--ink); color: var(--paper); }

/* Figure */
.figure { margin: clamp(32px, 5vw, 64px) 0; }
.figure .placeholder { aspect-ratio: 16 / 9; }
.figure--portrait .placeholder { aspect-ratio: 4 / 5; }
.figure--square .placeholder { aspect-ratio: 1; }
.figure--tall .placeholder { aspect-ratio: 4 / 6; }

/* Diagram (CSS-drawn) */
.diagram {
  padding: clamp(32px, 5vw, 64px);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.sec-ink .diagram { background: rgba(243,238,226,0.04); border-color: rgba(243,238,226,0.18); }

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 24px;
  height: 1px;
  background: var(--rule-strong);
}
.timeline__node {
  position: relative;
  padding-top: 48px;
}
.timeline__node::before {
  content: "";
  position: absolute;
  left: 0; top: 19px;
  width: 11px; height: 11px;
  background: var(--ink);
  border-radius: 50%;
}
.timeline__node:last-child::before { background: var(--accent); width: 13px; height: 13px; top: 18px; }
.timeline__date {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 6px;
}
.timeline__label {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.timeline__metric {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}
@media (max-width: 720px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline::before { display: none; }
  .timeline__node { padding: 0 0 0 24px; border-left: 1px solid var(--rule-strong); }
  .timeline__node::before { left: -6px; top: 4px; }
}

/* Milestones diagram */
.milestones {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  position: relative;
}
.milestones__step {
  padding: 20px 16px;
  border: 1px solid var(--rule-strong);
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-radius: 2px;
}
.milestones__step:last-child {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.milestones__step:last-child .ms__label { color: var(--accent); }
.milestones__num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mute);
}
.milestones__step:last-child .milestones__num { color: rgba(243,238,226,0.6); }
.ms__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mahogany);
}
.ms__title {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.ms__reward {
  margin-top: auto;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}
.milestones__step:last-child .ms__reward { color: var(--sand); }
.milestones__arrow {
  position: absolute;
  right: -10px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  color: var(--mahogany);
  z-index: 1;
}
@media (max-width: 980px) {
  .milestones { grid-template-columns: 1fr; }
  .milestones__arrow { display: none; }
}

/* A/B comparison */
.ab {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.ab__card {
  padding: clamp(24px, 3vw, 40px);
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  border-radius: 2px;
}
.ab__card .name {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 380;
  letter-spacing: -0.012em;
}
.ab__card .name em { font-style: italic; }
.ab__card .verdict {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ab__card.bad { background: var(--bg-2); }
.ab__card.bad .verdict::before { content: "✗ "; color: var(--accent); }
.ab__card.good { border-color: var(--ink); }
.ab__card.good .verdict::before { content: "✓ "; color: #2f8a4d; }
.ab__card .why {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--mute);
}
@media (max-width: 720px) { .ab { grid-template-columns: 1fr; } }

/* KLM table */
.klm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule-strong);
}
.klm__col { padding: 28px; border-right: 1px solid var(--rule-strong); }
.klm__col:last-child { border-right: 0; background: var(--ink); color: var(--paper); }
.klm__col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 14px;
}
.klm__col:last-child h4 { color: var(--sand); }
.klm__col .big {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 380;
  line-height: 1;
  letter-spacing: -0.02em;
}
.klm__col:last-child .big em { font-style: italic; color: var(--accent); }
.klm__col .unit {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.klm__col:last-child .unit { color: var(--sand); }
.klm__col .steps {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
}
.klm__col:last-child .steps { color: var(--sand); }
@media (max-width: 720px) { .klm { grid-template-columns: 1fr; } .klm__col { border-right: 0; border-bottom: 1px solid var(--rule-strong); } }

/* Method mix radial */
.methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.methods__card {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 2px;
}
.methods__card h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.methods__card p {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.methods__card .n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  margin-top: 8px;
  display: block;
}

/* Stat row */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  margin: clamp(32px, 5vw, 64px) 0;
}
.stats__cell { padding: 28px 16px 28px 0; border-right: 1px solid var(--rule); }
.stats__cell:last-child { border-right: 0; }
.stats__cell .v {
  font-family: var(--serif);
  font-size: clamp(36px, 4.8vw, 72px);
  font-weight: 380;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stats__cell .v em { font-style: italic; color: var(--accent); }
.stats__cell .l {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
@media (max-width: 720px) { .stats { grid-template-columns: 1fr; } .stats__cell { border-right: 0; border-bottom: 1px solid var(--rule); } .stats__cell:last-child { border-bottom: 0; } }

/* Next case */
.next-case {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: clamp(24px, 4vw, 60px);
  align-items: end;
  padding: clamp(48px, 6vw, 96px) 0;
  border-top: 1px solid var(--rule);
}
.next-case h3 {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(28px, 3.6vw, 56px);
  letter-spacing: -0.018em;
  line-height: 1.02;
  text-wrap: balance;
}
.next-case h3 em { font-style: italic; }
.next-case .arrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
@media (max-width: 720px) { .next-case { grid-template-columns: 1fr; } }

/* Helpers ---- */
/* ---- Custom cursor ---- */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a, button, [data-cursor] { cursor: none; }
  .cursor {
    position: fixed;
    top: 0; left: 0;
    width: 8px; height: 8px;
    background: var(--ink);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width .25s ease, height .25s ease, background .2s ease, opacity .2s;
    mix-blend-mode: difference;
    filter: invert(1);
  }
  .cursor.hover {
    width: 36px; height: 36px;
    background: var(--accent);
    mix-blend-mode: normal;
    filter: none;
    opacity: 0.9;
  }
  .cursor-ring {
    position: fixed;
    top: 0; left: 0;
    width: 32px; height: 32px;
    border: 1px solid var(--ink);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform .12s ease, border-color .2s, opacity .2s;
    opacity: 0.4;
  }
}

/* ---- Reveal on scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .15s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .25s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .35s; }

/* ---- Page transition ---- */
.page-veil {
  position: fixed;
  inset: 0;
  background: var(--ink);
  z-index: 9000;
  transform: translateY(100%);
  pointer-events: none;
}
.page-veil.in {
  animation: veil-in .6s cubic-bezier(.7,0,.3,1) forwards;
  pointer-events: auto;
}
.page-veil.out {
  animation: veil-out .6s cubic-bezier(.7,0,.3,1) forwards;
}
@keyframes veil-in {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
@keyframes veil-out {
  from { transform: translateY(0); }
  to { transform: translateY(-100%); }
}

/* ---- Section variants for rhythm ---- */
.sec-cream { background: var(--bg); color: var(--ink); }
.sec-tobacco { background: #8a6a4f; color: #f3eee2; }
.sec-tobacco .muted, .sec-tobacco .eyebrow { color: rgba(243,238,226,0.7); }
.sec-tobacco .rule, .sec-tobacco hr { background: rgba(243,238,226,0.25); }
.sec-ink { background: var(--ink); color: var(--paper); }
.sec-ink .muted, .sec-ink .eyebrow { color: rgba(243,238,226,0.6); }
.sec-ink .rule { background: rgba(243,238,226,0.18); }
.sec-paper { background: var(--paper); }

/* ---- Tweaks panel ---- */
.tweaks {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tweaks__btn {
  padding: 10px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  cursor: pointer;
}
.tweaks__panel {
  position: absolute;
  bottom: 48px;
  right: 0;
  width: 240px;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 4px;
  display: none;
  flex-direction: column;
  gap: 14px;
}
.tweaks.open .tweaks__panel { display: flex; }
.tweaks__row { display: flex; flex-direction: column; gap: 6px; }
.tweaks__row .lbl { color: var(--mute); font-size: 10px; }
.tweaks__seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  overflow: hidden;
}
.tweaks__seg button {
  padding: 8px 4px;
  border: 0;
  background: transparent;
  color: var(--ink-2);
  font: inherit;
  cursor: pointer;
}
.tweaks__seg button.on { background: var(--ink); color: var(--paper); }

/* Dark theme override */
body.theme-ink {
  --bg: #1a1714;
  --bg-2: #221e19;
  --paper: #2a2520;
  --ink: #ede7d9;
  --ink-2: #d8cfbe;
  --mute: #a89c87;
  --rule: #3a322a;
  --rule-strong: #4a4036;
}
body.theme-quiet {
  --bg: #f1ece2;
  --bg-2: #e8e2d4;
  --paper: #f7f3ea;
  --ink: #2a2520;
  --ink-2: #3a3530;
  --mahogany: #6b6359;
  --tobacco: #a89c87;
  --accent: #6b6359;
}
body.no-crimson { --accent: var(--mahogany); }

.read-time {
  color: var(--accent);
  font-style: normal;
}
.text-accent { color: var(--accent); }

.text-mahogany { color: var(--mahogany); }
.flex { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-sm { gap: 8px; } .gap { gap: 16px; } .gap-lg { gap: 24px; }
.mt-sm { margin-top: 12px; } .mt { margin-top: 24px; } .mt-lg { margin-top: 48px; } .mt-xl { margin-top: 96px; }
.center { text-align: center; }