/* ============================================================
   UNILIT — Casson Hardware case study styles
   ============================================================ */

:root {
  --cs-cream:       #F5F0E8;
  --cs-brass:       #B8963E;
  --cs-brass-light: #D4AD5A;
  --cs-warm:        #2C2416;
  --cs-mid:         #6B5F4E;
}

body {
  background: var(--cs-cream);
  color: var(--cs-warm);
}

.back-bar  { background: var(--cs-cream); border-color: rgba(44,36,22,.10); }
.back-link { color: rgba(44,36,22,.40); }
.back-link:hover { color: var(--cs-warm); }

/* Hero */
.cs-hero {
  background: var(--cs-warm);
  height: 95vh; min-height: 640px;
}

.cs-hero-img {
  opacity: .50;
  filter: sepia(15%) saturate(90%);
  transition: transform 8s ease;
}
.cs-hero:hover .cs-hero-img { transform: scale(1.04); }

.cs-hero-overlay {
  background: linear-gradient(to top, rgba(44,36,22,.98) 0%, rgba(44,36,22,.55) 45%, rgba(44,36,22,.1) 100%);
}

.cs-eyebrow { color: var(--cs-brass); }
.cs-eyebrow::before { background: var(--cs-brass); }

.cs-hero h1 {
  font-family: var(--font-serif);
  font-weight: 600; font-style: italic;
  font-size: clamp(56px, 8.5vw, 108px);
  line-height: .9; color: #fff; margin-bottom: 12px;
}

.cs-hero h1 em {
  font-style: normal;
  font-family: var(--font-display); font-weight: 900;
  font-size: .42em; letter-spacing: .08em;
  color: rgba(255,255,255,.42);
  display: block; text-transform: uppercase; margin-bottom: 10px;
}

.cs-tagline {
  font-family: var(--font-mono); font-size: 14px;
  color: rgba(255,255,255,.45); letter-spacing: .06em; margin-bottom: 36px;
}

/* Pull quote */
.pull-quote { background: var(--cs-warm); padding: 72px 0; text-align: center; }
.pull-quote blockquote {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(24px, 3.5vw, 42px);
  color: rgba(255,255,255,.82); max-width: 22ch; margin: 0 auto; line-height: 1.4;
}
.pull-quote cite {
  display: block; margin-top: 20px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--cs-brass); font-style: normal;
}

/* Sections */
.cs-section { border-bottom: 1px solid rgba(44,36,22,.12); }
.section-label { color: var(--cs-brass); }
.cs-section h2 {
  font-family: var(--font-serif); font-weight: 600; font-style: italic;
  font-size: clamp(28px, 3.8vw, 46px); line-height: 1.1;
  color: var(--cs-warm);
}
.cs-section p { color: var(--cs-mid); }

/* Deliverables */
.deliverables { background: rgba(44,36,22,.06); }
.del { background: var(--cs-cream); padding: 30px 26px; transition: background .2s; }
.del:hover { background: var(--paper); }
.del .d-num { color: var(--cs-brass); }
.del h3 { font-family: var(--font-serif); color: var(--cs-warm); font-size: 19px; }
.del p  { color: var(--cs-mid); }

/* Details strip */
.details-strip { background: var(--cs-warm); padding: 56px 0; }
.details-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-left: 1px solid rgba(255,255,255,.10);
}
@media (max-width: 760px) { .details-grid { grid-template-columns: repeat(2,1fr); } }
.detail-item {
  padding: 28px 32px;
  border-right: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.detail-item .d-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.38); margin-bottom: 8px;
}
.detail-item .d-val {
  font-family: var(--font-serif); font-size: 22px; color: #fff; font-style: italic;
}

/* Brass divider */
.brass-divider {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cs-brass), transparent);
}

/* Screenshots */
.screenshots { background: var(--paper); border-bottom: 1px solid rgba(44,36,22,.10); }
.shot { background: var(--cs-cream); }
.shot img { filter: sepia(5%); }
.shot-caption { color: var(--cs-mid); border-top-color: rgba(44,36,22,.10); }

/* Stack */
.stack-section { border-bottom: 1px solid rgba(44,36,22,.10); }
.stack-section h2 { color: var(--cs-warm); }
.pill {
  border: 1px solid rgba(44,36,22,.18); border-radius: 2px;
  color: var(--cs-mid);
}
.pill:hover { border-color: var(--cs-brass); color: var(--cs-brass); }

/* CTA */
.cs-cta { background: var(--cs-warm); }
.cs-cta h2 { font-family: var(--font-serif); font-style: italic; color: #fff; }
.cs-cta p  { color: rgba(255,255,255,.48); font-family: var(--font-mono); letter-spacing: .04em; }

.btn-cta-primary {
  display: inline-block;
  background: var(--cs-brass); color: #fff !important;
  font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: .04em;
  padding: 14px 30px; border-radius: 2px; border: 1px solid var(--cs-brass);
  transition: background .18s, transform .18s;
}
.btn-cta-primary:hover { background: var(--cs-brass-light); transform: translateY(-1px); }

.btn-cta-ghost {
  display: inline-block; background: transparent;
  color: rgba(255,255,255,.65);
  font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: .04em;
  padding: 14px 30px; border-radius: 2px; border: 1px solid rgba(255,255,255,.18);
  transition: border-color .18s, color .18s;
}
.btn-cta-ghost:hover { border-color: rgba(255,255,255,.55); color: #fff; }