/* ============================================================
   Kauffen Studios — Sub-page stylesheet
   Shared by /work, /services, /about, /blog
   Reuses the brand language of the homepage, kept lightweight.
   ============================================================ */

:root {
  --bg:        #F7F4EF;
  --bg-alt:    #EFECE7;
  --dark:      #0A0907;
  --dark-2:    #13110F;
  --surface:   #E8E5DF;
  --ink:       #1A1815;
  --ink-mid:   #4A4744;
  --ink-muted: #888480;
  --ink-pale:  #B8B5AE;
  --gold:      #C8A96E;
  --br-lt:     rgba(26, 24, 21, 0.10);
  --br-dk:     rgba(247, 244, 239, 0.10);
  --f-disp:    'Playfair Display', Georgia, serif;
  --f-ui:      'Space Grotesk', system-ui, sans-serif;
  --max:       1100px;
  --wide:      1320px;
  --gut:       clamp(1.4rem, 5vw, 4rem);
  --nav-h:     70px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--f-ui);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

::selection { background: var(--gold); color: var(--dark); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.wrap-wide { max-width: var(--wide); }

/* Grain overlay (same texture as homepage) */
.grain-svg { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0.035; z-index: 9999; mix-blend-mode: multiply; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; height: var(--nav-h);
  display: flex; align-items: center; z-index: 100;
  background: rgba(247, 244, 239, 0.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--br-lt);
}
.nav-inner { width: 100%; max-width: var(--wide); margin: 0 auto; padding: 0 var(--gut);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.logo { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--ink); }
.logo-icon { width: 30px; height: 30px; color: var(--gold); flex: none; }
.logo-icon svg { width: 100%; height: 100%; }
.logo-txt { font-family: var(--f-ui); font-size: 0.95rem; letter-spacing: 0.02em; line-height: 1; }
.logo-txt b { font-weight: 600; }
.logo-txt em { font-style: normal; color: var(--ink-muted); margin-left: 0.3em; font-size: 0.85em; }
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a { font-size: 0.86rem; color: var(--ink-mid); letter-spacing: 0.01em; transition: color 0.25s; }
.nav-links a:hover, .nav-links a.is-current { color: var(--ink); }
.nav-cta { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.6rem 1.1rem;
  background: var(--dark); color: var(--cream, #F7F4EF); border-radius: 100px;
  font-size: 0.82rem; font-weight: 500; transition: transform 0.25s, background 0.25s; }
.nav-cta:hover { transform: translateY(-2px); background: var(--dark-2); }
.nav-cta svg { width: 12px; height: 12px; }
@media (max-width: 860px) { .nav-links { display: none; } }

/* ---------- HERO (page header) ---------- */
.phero { padding: calc(var(--nav-h) + clamp(3rem, 8vw, 6.5rem)) 0 clamp(2.5rem, 6vw, 4.5rem); }
.eyebrow { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.74rem;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); font-weight: 500; margin-bottom: 1.3rem; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--gold); }
.phero h1 { font-family: var(--f-disp); font-weight: 400;
  font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -0.02em; color: var(--ink); }
.phero h1 em { font-style: italic; color: var(--gold); }
.phero .lede { margin-top: 1.6rem; max-width: 56ch; font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-mid); line-height: 1.55; }
.crumbs { font-size: 0.8rem; color: var(--ink-muted); margin-bottom: 1.6rem; letter-spacing: 0.02em; }
.crumbs a:hover { color: var(--ink); }
.crumbs span { color: var(--ink-pale); margin: 0 0.5rem; }

/* ---------- BUTTONS ---------- */
.btn-pri { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.9rem 1.6rem;
  background: var(--dark); color: #F7F4EF; border-radius: 100px; font-size: 0.9rem; font-weight: 500;
  transition: transform 0.25s, background 0.25s; }
.btn-pri:hover { transform: translateY(-2px); background: var(--dark-2); }
.btn-ghost { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.9rem 1.4rem;
  border: 1px solid var(--br-lt); border-radius: 100px; font-size: 0.9rem; color: var(--ink-mid);
  transition: border-color 0.25s, color 0.25s; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- SECTION ---------- */
.sec { padding: clamp(3rem, 7vw, 6rem) 0; }
.sec-line { border: 0; border-top: 1px solid var(--br-lt); }

/* ---------- CASE STUDY ---------- */
.cs-shot { margin: clamp(2rem, 5vw, 3.5rem) 0; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--br-lt); box-shadow: 0 30px 80px -40px rgba(26,24,21,0.4); background: var(--surface); }
.cs-shot .browser-bar { display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1rem;
  background: var(--bg-alt); border-bottom: 1px solid var(--br-lt); }
.cs-shot .bdots { display: inline-flex; gap: 0.35rem; }
.cs-shot .bdots i { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-pale); display: block; }
.cs-shot .burl { font-size: 0.78rem; color: var(--ink-muted); margin-left: 0.4rem; }
.cs-shot .cs-vp { max-height: 460px; overflow: hidden; }
.cs-shot .cs-vp img { width: 100%; }

.cs-grid { display: grid; grid-template-columns: 1fr 300px; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 820px) { .cs-grid { grid-template-columns: 1fr; } }

.prose h2 { font-family: var(--f-disp); font-weight: 400; font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  letter-spacing: -0.01em; margin: 2.4rem 0 1rem; line-height: 1.15; }
.prose h3 { font-size: 1.05rem; font-weight: 600; margin: 1.8rem 0 0.6rem; letter-spacing: 0.01em; }
.prose p { color: var(--ink-mid); margin-bottom: 1.1rem; font-size: 1.02rem; }
.prose p:first-child { font-size: 1.15rem; color: var(--ink); }
.prose ul { list-style: none; margin: 1rem 0 1.4rem; }
.prose li { position: relative; padding-left: 1.4rem; margin-bottom: 0.55rem; color: var(--ink-mid); }
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--gold); }
.prose a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 3px; }

/* meta sidebar */
.cs-meta { border: 1px solid var(--br-lt); border-radius: 12px; padding: 1.6rem; background: rgba(255,255,255,0.4);
  position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.cs-meta dl { display: grid; gap: 1.1rem; }
.cs-meta dt { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-muted); margin-bottom: 0.3rem; }
.cs-meta dd { font-size: 0.95rem; color: var(--ink); }
.cs-meta .tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cs-meta .tag { font-size: 0.76rem; padding: 0.3rem 0.7rem; border: 1px solid var(--br-lt); border-radius: 100px; color: var(--ink-mid); }
.cs-meta .visit { margin-top: 0.6rem; display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.9rem; color: var(--ink); border-bottom: 1px solid var(--gold); padding-bottom: 2px; }

/* ---------- CARD GRID (work index, blog index) ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: clamp(1.5rem, 3vw, 2.2rem); }
.card { border: 1px solid var(--br-lt); border-radius: 14px; overflow: hidden; background: rgba(255,255,255,0.35);
  transition: transform 0.3s, box-shadow 0.3s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-5px); box-shadow: 0 30px 60px -40px rgba(26,24,21,0.45); }
.card-shot { aspect-ratio: 16/11; overflow: hidden; background: var(--surface); border-bottom: 1px solid var(--br-lt); }
.card-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.card-body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 0.3rem; flex: 1; }
.card-num { font-size: 0.74rem; color: var(--gold); letter-spacing: 0.1em; }
.card-title { font-family: var(--f-disp); font-size: 1.4rem; font-weight: 400; letter-spacing: -0.01em; }
.card-cat { font-size: 0.85rem; color: var(--ink-muted); }
.card-arrow { margin-top: auto; padding-top: 1rem; font-size: 0.82rem; color: var(--ink-mid); display: inline-flex; align-items: center; gap: 0.4rem; }
.card:hover .card-arrow { color: var(--ink); }

/* ---------- SERVICE / FEATURE BLOCKS ---------- */
.svc { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.svc-item { padding: 1.8rem 0; border-top: 1px solid var(--br-lt); }
.svc-item .svc-n { font-size: 0.78rem; color: var(--gold); letter-spacing: 0.1em; }
.svc-item h3 { font-family: var(--f-disp); font-weight: 400; font-size: 1.55rem; margin: 0.5rem 0 0.7rem; }
.svc-item p { color: var(--ink-mid); font-size: 0.97rem; }
.svc-item ul { list-style: none; margin-top: 0.9rem; }
.svc-item li { position: relative; padding-left: 1.2rem; font-size: 0.9rem; color: var(--ink-mid); margin-bottom: 0.35rem; }
.svc-item li::before { content: "+"; position: absolute; left: 0; color: var(--gold); }

/* ---------- CTA BAND ---------- */
.cta-band { background: var(--dark); color: #F7F4EF; border-radius: 18px; padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center; margin: clamp(3rem, 6vw, 5rem) 0; }
.cta-band h2 { font-family: var(--f-disp); font-weight: 400; font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.1; }
.cta-band h2 em { font-style: italic; color: var(--gold); }
.cta-band p { color: rgba(247,244,239,0.66); margin: 1rem auto 1.8rem; max-width: 46ch; }
.cta-band .btn-pri { background: var(--gold); color: var(--dark); }
.cta-band .btn-pri:hover { background: #d8bd86; }

/* ---------- next project ---------- */
.nextp { border-top: 1px solid var(--br-lt); padding: 2.5rem 0; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.nextp .np-lbl { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-muted); }
.nextp .np-nm { font-family: var(--f-disp); font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 400; }
.nextp a:hover .np-nm { color: var(--gold); }

/* ---------- ARTICLE (blog post) ---------- */
.article { max-width: 720px; }
.article .prose p:first-child { font-size: 1.02rem; color: var(--ink-mid); }
.article .prose p.standfirst { font-size: 1.2rem; color: var(--ink); font-family: var(--f-disp); font-style: italic; line-height: 1.5; }
.post-meta { font-size: 0.82rem; color: var(--ink-muted); letter-spacing: 0.02em; }
.post-meta span { color: var(--ink-pale); margin: 0 0.5rem; }

/* ---------- FOOTER ---------- */
.footer { background: var(--dark); color: #F7F4EF; padding: clamp(3rem, 6vw, 4.5rem) 0 2rem; margin-top: clamp(3rem, 6vw, 5rem); }
.footer .logo { color: #F7F4EF; }
.footer .logo-txt em { color: rgba(247,244,239,0.5); }
.ft-top { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  padding-bottom: 2rem; border-bottom: 1px solid var(--br-dk); }
.ft-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.ft-nav a { font-size: 0.86rem; color: rgba(247,244,239,0.66); transition: color 0.25s; }
.ft-nav a:hover { color: #F7F4EF; }
.ft-bot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding-top: 1.6rem; font-size: 0.8rem; color: rgba(247,244,239,0.5); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }