/* ============================================================
   UNILIT — Main Stylesheet
   Shared styles: variables, reset, nav, footer, utilities
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,400..900&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400;1,600&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --porcelain:       #F2F4F1;
  --ink:             #10150F;
  --spruce:          #1E4D3B;
  --spruce-deep:     #143527;
  --amber:           #E8A33D;
  --paper:           #FFFFFF;
  --line:            rgba(16,21,15,.12);
  --line-light:      rgba(255,255,255,.10);

  --font-display:    'Archivo', 'Arial Black', Arial, sans-serif;
  --font-body:       'Inter', Arial, sans-serif;
  --font-mono:       'IBM Plex Mono', 'Courier New', monospace;
  --font-serif:      'Cormorant Garamond', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* ── Layout ─────────────────────────────────────────────────── */
.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-nav--light {
  background: rgba(242,244,241,.90);
  border-bottom: 1px solid var(--line);
}

.site-nav--dark {
  background: rgba(16,21,15,.90);
  border-bottom: 1px solid var(--line-light);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .02em;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.nav-logo .logo-lit  { color: var(--spruce); }
.nav-logo .logo-dot  { color: var(--amber); font-style: normal; }

.site-nav--light .nav-logo        { color: var(--ink); }
.site-nav--dark  .nav-logo        { color: #fff; }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav--light .nav-links a     { color: rgba(16,21,15,.72); }
.site-nav--dark  .nav-links a     { color: rgba(255,255,255,.60); }

.nav-links a:hover                { opacity: 1; }
.site-nav--light .nav-links a:hover { color: var(--ink); }
.site-nav--dark  .nav-links a:hover { color: #fff; }

.nav-links a                      { font-size: 14px; font-weight: 500; }

@media (max-width: 760px) {
  .nav-links a:not(.btn-primary)  { display: none; }
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--spruce);
  color: #fff !important;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 10px 20px;
  border-radius: 4px;
  border: 1px solid var(--spruce);
  transition: background .18s ease, transform .18s ease;
}

.btn-primary:hover {
  background: var(--spruce-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-block;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 12px 24px;
  border-radius: 4px;
  transition: border-color .18s, color .18s, background .18s;
}

/* ── Back bar ───────────────────────────────────────────────── */
.back-bar {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.back-link {
  font-family: var(--font-mono);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .18s;
}

/* ── Eyebrow label ──────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
}

/* ── Section label ──────────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .20em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  padding: 28px 0 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,.38);
}

.foot-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

/* ── Case study shared ───────────────────────────────────────── */
.cs-meta {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 28px;
}

.cs-meta-item {
  padding-right: 36px;
  margin-right: 36px;
  border-right: 1px solid rgba(255,255,255,.12);
}

.cs-meta-item:last-child {
  border-right: none;
}

.cs-meta-item .meta-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.38);
  display: block;
  margin-bottom: 5px;
}

.cs-meta-item .meta-val {
  font-size: 15px;
  color: #fff;
  font-weight: 500;
}

.cs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 860px) {
  .cs-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.deliverables {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
}

@media (max-width: 760px) {
  .deliverables { grid-template-columns: 1fr; }
}

.del .d-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.del h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.del p {
  font-size: 13.5px;
  line-height: 1.65;
}

.shot-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3px;
  margin-top: 48px;
}

@media (max-width: 760px) {
  .shot-grid { grid-template-columns: 1fr; }
}

.shot { position: relative; overflow: hidden; }

.shot img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: top center;
  transition: transform .6s ease;
}

.shot:hover img { transform: scale(1.03); }

.shot-caption {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.stack-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 10px 20px;
  border-radius: 99px;
  transition: border-color .18s, color .18s;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}