/* ══════════════════════════════════════════════════════
   ALAN TODD DESIGN — SHARED STYLESHEET
   Design system sourced from Client_Date_Branding Guide_ATGD
   Ink + White carry ~90% of every surface. Clay is the one
   accent, used sparingly. 12-col grid, 8px spacing scale.
   ══════════════════════════════════════════════════════ */

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

:root {
  /* ── Core palette ── */
  --ink:    #171512;
  --white:  #FFFFFF;
  --clay:   #A9502F;
  --clay-dark: #7E3B22;
  --clay-20: #F3E2D8;   /* light tint — backgrounds */
  --clay-40: #E4BFAB;   /* tint — hover borders */
  --sage:   #6E7059;
  --sand:   #D8CFBE;
  --stone:  #6E6A5F;

  --ink-05: rgba(23,21,18,.05);
  --ink-10: rgba(23,21,18,.1);
  --ink-20: rgba(23,21,18,.2);
  --ink-40: rgba(23,21,18,.4);
  --ink-60: rgba(23,21,18,.6);
  --white-40: rgba(255,255,255,.4);
  --white-55: rgba(255,255,255,.55);
  --white-70: rgba(255,255,255,.7);

  /* ── Type ── */
  --display: 'Neue Haas Grotesk Display Pro', 'Helvetica Now Display',
             'HelveticaNeue-Bold', 'Helvetica Neue', Arial, sans-serif;
  --text:    'Neue Haas Grotesk Text Pro', 'Helvetica Now Text',
             'HelveticaNeue', 'Helvetica Neue', Arial, sans-serif;
  --mono:    'Space Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* ── Spacing scale (8px base) ── */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 40px;
  --sp-5: 64px;
  --sp-6: 104px;

  --margin: 80px;
}
@media (max-width: 900px) { :root { --margin: 24px; } }

html { scroll-behavior: smooth; }
body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--text);
  overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--margin);
  height: 76px;
  background: var(--white);
  border-bottom: 1px solid var(--ink-10);
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo-icon { height: 26px; width: auto; }
.nav-logo-sig { height: 18px; width: auto; }
.nav-links { display: flex; gap: var(--sp-5); list-style: none; }
.nav-links a {
  font-family: var(--mono);
  font-size: .68rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink); text-decoration: none; opacity: .7;
  transition: opacity .2s, color .2s;
}
.nav-links a:hover { opacity: 1; color: var(--clay); }

/* ── Section label — numbered mono tag ── */
.section-label {
  font-family: var(--mono);
  font-size: .68rem; font-weight: 400;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--clay);
  display: flex; align-items: center; gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.section-label .num {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--clay); color: var(--white);
  padding: 3px 7px;
  font-size: .64rem;
}

/* ── Tag chips ── */
.tag {
  font-family: var(--mono);
  font-size: .56rem; font-weight: 400;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-60);
  border: 1px solid var(--ink-20);
  padding: 4px 9px;
}

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Marquee ── */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--ink-10);
  border-bottom: 1px solid var(--ink-10);
  padding: var(--sp-2) 0;
  background: var(--white);
}
.marquee-track {
  display: flex; align-items: center; gap: 0;
  white-space: nowrap; will-change: transform;
}
.marquee-track span.word {
  font-family: var(--mono);
  font-size: .78rem; font-weight: 400;
  letter-spacing: .12em;
  color: var(--ink-40);
  padding: 0 var(--sp-4);
  text-transform: uppercase;
}
.marquee-track .sep { color: var(--clay); opacity: .7; }

/* ── Slider / carousel ── */
.slider { position: relative; overflow: hidden; background: var(--ink); }
.slider-track { display: flex; transition: transform .7s cubic-bezier(.4,0,.2,1); }
.slider-track .slide { min-width: 100%; position: relative; }
.slider-track .slide img { width: 100%; height: 100%; object-fit: contain; display: block; }
.slider-dots {
  position: absolute; bottom: var(--sp-2); left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px; z-index: 10;
}
.slider-dots button {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--white-40); border: none; cursor: pointer;
  transition: background .3s, transform .3s; padding: 0;
}
.slider-dots button.active { background: var(--clay); transform: scale(1.4); }

/* ── Project pages — shared layout ── */
.proj-hero {
  min-height: 68vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 140px var(--margin) var(--sp-5);
  position: relative; overflow: hidden;
  background: var(--ink);
}
.proj-hero-content { position: relative; z-index: 2; }
.proj-logo { max-height: 64px; max-width: 240px; object-fit: contain; display: block; margin-bottom: var(--sp-3); filter: brightness(0) invert(1); }
.proj-title {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 92px);
  font-weight: 700; line-height: .95;
  color: var(--white); text-transform: uppercase;
  margin-bottom: var(--sp-3); letter-spacing: -.01em;
}
.proj-rule { width: 56px; height: 3px; background: var(--clay); margin-bottom: var(--sp-3); }
.proj-subtitle {
  font-family: var(--text);
  font-size: clamp(14px, 1.4vw, 18px); font-weight: 300;
  color: var(--white-70); max-width: 620px; line-height: 1.7;
}

.proj-body-section { padding: var(--sp-6) var(--margin); }
.proj-body-section.bg-white  { background: var(--white); }
.proj-body-section.bg-sand   { background: var(--sand); }
.proj-body-section.bg-ink    { background: var(--ink); }
.proj-body-section.bg-ink .section-label { color: var(--clay-40); }
.proj-body-section.bg-ink .heading-2,
.proj-body-section.bg-ink .overview-text { color: var(--white); }

.section-head-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-4); }
.section-head-row img { max-height: 26px; width: auto; opacity: 1; }

.heading-2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(26px, 3.4vw, 46px); line-height: 1.08;
  letter-spacing: -.01em; color: var(--ink);
  max-width: 780px; margin-bottom: var(--sp-3);
}

.overview-grid { display: grid; grid-template-columns: 1fr 320px; gap: var(--sp-5); align-items: start; }
.overview-text {
  font-family: var(--text); font-size: clamp(14px, 1.3vw, 16px); font-weight: 300;
  line-height: 1.75; color: var(--ink-60);
}
.overview-text strong { color: var(--ink); font-weight: 600; }

.proj-meta { }
.proj-meta-block { margin-bottom: var(--sp-3); padding-bottom: var(--sp-3); border-bottom: 1px solid var(--ink-10); }
.proj-meta-block:last-child { border: none; }
.meta-label { font-family: var(--mono); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-40); margin-bottom: 6px; }
.meta-value { font-family: var(--display); font-weight: 700; font-size: .84rem; letter-spacing: .01em; color: var(--ink); line-height: 1.6; }
.meta-value.large { font-family: var(--display); font-size: 2.4rem; font-weight: 700; color: var(--clay); line-height: 1; }
.meta-link { font-family: var(--mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--clay); text-decoration: none; display: flex; align-items: center; gap: 6px; margin-top: var(--sp-1); }
.meta-link:hover { text-decoration: underline; }

/* two-up feature row: photo + copy */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; align-items: stretch; }
.feature-row .feature-img { overflow: hidden; background: var(--ink); min-height: 320px; }
.feature-row .feature-img img { width: 100%; height: 100%; object-fit: cover; }
.feature-row .feature-copy { display: flex; flex-direction: column; justify-content: center; padding: var(--sp-4); }

.stat-pair { display: flex; gap: var(--sp-5); margin-top: var(--sp-3); }

/* case study challenge/strategy/execution/results */
.case-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--ink-10); }
.case-block { padding: var(--sp-3); background: var(--white); }
.case-block-label {
  font-family: var(--mono); font-size: .6rem; font-weight: 400;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--clay); margin-bottom: var(--sp-2);
}
.case-block-text { font-family: var(--text); font-size: .82rem; font-weight: 300; line-height: 1.7; color: var(--ink-60); }

/* full-bleed banner image */
.full-bleed { width: 100%; overflow: hidden; }
.full-bleed img { width: 100%; display: block; max-height: 560px; object-fit: cover; }

/* gallery grid */
.gallery-grid { display: grid; gap: 3px; }
.gallery-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.gallery-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.gallery-item { overflow: hidden; position: relative; background: var(--ink); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.03); }
.gallery-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--white-70);
  background: linear-gradient(to top, rgba(23,21,18,.7), transparent);
}

/* logo strip + back CTA */
.logo-strip { padding: var(--sp-5) var(--margin); text-align: center; }
.logo-strip img { max-height: 44px; max-width: 220px; object-fit: contain; opacity: 1; margin: 0 auto; }
.proj-back-cta {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--mono); font-size: .68rem; font-weight: 400;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--white); background: var(--ink);
  padding: 16px 32px; text-decoration: none;
  transition: background .2s; margin-top: var(--sp-4);
}
.proj-back-cta:hover { background: var(--clay); }
.proj-back-cta::before { content: '←'; font-size: .85rem; }

/* ── Footer ── */
footer {
  padding: var(--sp-3) var(--margin);
  background: var(--ink);
  display: flex; align-items: center; justify-content: space-between;
}
.footer-sig img { height: 22px; width: auto; opacity: .85; }
.footer-copy {
  font-family: var(--mono); font-size: .58rem; font-weight: 400;
  letter-spacing: .06em; color: var(--white-40);
}
.footer-links { display: flex; gap: var(--sp-4); list-style: none; }
.footer-links a {
  font-family: var(--mono); font-size: .58rem; font-weight: 400;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--white-55); text-decoration: none; transition: color .2s;
}
.footer-links a:hover { color: var(--white); }

/* ── Responsive ── */
@media (max-width: 960px) {
  nav { padding: 0 var(--margin); height: 64px; }
  .nav-links { gap: var(--sp-3); }
  .proj-hero { padding: 110px var(--margin) var(--sp-4); }
  .proj-body-section { padding: var(--sp-5) var(--margin); }
  .overview-grid, .feature-row { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .proj-meta { position: static; }
  footer { flex-direction: column; gap: var(--sp-2); text-align: center; }
}
@media (max-width: 560px) {
  .case-grid { grid-template-columns: 1fr; }
  .nav-logo-sig { display: none; }
  .gallery-grid.cols-2, .gallery-grid.cols-3 { grid-template-columns: 1fr; }
}