/* ── Alan Katowitz Photography — Obsidian & Light design system ─────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #1a1c1c;
  --ink-soft: #4c4546;
  --bg: #ffffff;
  --bg-grey: #f3f3f4;
  --bg-grey-2: #eeeeee;
  --border: #e5e5e5;
  --border-strong: #1a1c1c;
  --royal: #1E3A8A;
  --royal-dark: #152C68;
  --royal-soft: rgba(30, 58, 138, 0.08);
  --max-w: 1440px;
  --gutter: 32px;
  --margin-d: 64px;
  --margin-m: 24px;
  --section-gap: 128px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── Typography ─────────────────────────────────────────────────────── */
.display-lg { font-family: 'Playfair Display', Georgia, serif; font-weight: 400; font-size: clamp(48px, 6.5vw, 80px); line-height: 1.05; letter-spacing: -0.02em; }
.headline-lg { font-family: 'Playfair Display', Georgia, serif; font-weight: 400; font-size: clamp(36px, 4.5vw, 48px); line-height: 1.15; letter-spacing: -0.01em; }
.headline-md { font-family: 'Playfair Display', Georgia, serif; font-weight: 400; font-size: clamp(28px, 3vw, 32px); line-height: 1.25; }
.headline-sm { font-family: 'Playfair Display', Georgia, serif; font-weight: 400; font-size: 24px; line-height: 1.35; }
.body-lg { font-size: 18px; line-height: 1.7; color: var(--ink-soft); }
.body-md { font-size: 16px; line-height: 1.65; color: var(--ink-soft); }
.label-md { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; line-height: 1; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); }

h1 { font-family: 'Playfair Display', serif; font-weight: 400; }
h2 { font-family: 'Playfair Display', serif; font-weight: 400; }
h3 { font-family: 'Playfair Display', serif; font-weight: 400; }
p { line-height: 1.7; }

/* ── Layout ─────────────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--margin-d); }
@media (max-width: 760px) { .container { padding: 0 var(--margin-m); } }

section.gap { padding: 96px 0; }
@media (max-width: 760px) { section.gap { padding: 64px 0; } }

/* ── Header / Nav ───────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 18px var(--margin-d);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
@media (max-width: 760px) { .site-header .inner { padding: 16px var(--margin-m); } }

.brand-link {
  font-family: 'Playfair Display', serif;
  font-size: 22px; font-weight: 400; color: var(--ink);
  letter-spacing: -0.005em;
  display: inline-flex; align-items: center; gap: 12px;
}
.brand-link small {
  font-family: 'Inter', sans-serif;
  font-size: 9px; font-weight: 500; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--ink-soft);
  padding: 4px 0;
  border-left: 1px solid var(--border); padding-left: 12px;
}
@media (max-width: 600px) { .brand-link small { display: none; } }

.site-nav { display: flex; align-items: center; gap: 36px; }
.site-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 13px; font-weight: 500; color: var(--ink);
  letter-spacing: 0.05em; text-transform: lowercase;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-nav a:hover, .site-nav a.active { border-bottom-color: var(--ink); }
.site-nav .cta-link {
  background: var(--royal); color: #fff;
  padding: 10px 22px;
  border: none;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
}
.site-nav .cta-link:hover { background: var(--royal-dark); border-bottom-color: transparent; }
.site-nav a:hover { border-bottom-color: var(--royal); }
.site-nav a.active { border-bottom-color: var(--royal); }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--ink); }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .nav-toggle { display: block; }
}

/* Mobile menu */
.mobile-nav {
  display: none;
  background: #fff; border-bottom: 1px solid var(--border);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block; padding: 16px var(--margin-m);
  font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500;
  text-transform: lowercase; letter-spacing: 0.05em; color: var(--ink);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav .cta-link { background: var(--ink); color: #fff; text-transform: uppercase; letter-spacing: 0.18em; font-size: 12px; }

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 32px;
  background: var(--royal); color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 12px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
  border: none; cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.btn:hover { background: var(--royal-dark); transform: translateY(-1px); }
.btn.ghost {
  background: transparent; color: var(--royal); border: 1px solid var(--royal);
}
.btn.ghost:hover { background: var(--royal); color: #fff; }
.btn-text {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500;
  text-transform: lowercase; color: var(--royal);
  padding: 4px 0;
  border-bottom: 1px solid var(--royal);
}
.btn-text:hover { letter-spacing: 0.04em; }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero-full {
  position: relative; height: 88vh; min-height: 600px;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero-full .hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: 0;
}
.hero-full .hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.45), rgba(0,0,0,0.05) 50%, transparent);
}
.hero-full .container { position: relative; z-index: 2; padding-bottom: 80px; }
.hero-full h1 { color: #fff; max-width: 880px; }
.hero-full .label-md { color: rgba(255,255,255,0.85); margin-bottom: 28px; }
.hero-full p { color: rgba(255,255,255,0.9); max-width: 540px; margin-top: 28px; font-size: 18px; }
.hero-full .hero-actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-full .hero-actions .btn { background: var(--royal); color: #fff; }
.hero-full .hero-actions .btn:hover { background: var(--royal-dark); }
.hero-full .hero-actions .btn.ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.85); }
.hero-full .hero-actions .btn.ghost:hover { background: #fff; color: var(--royal); border-color: #fff; }
@media (max-width: 760px) {
  .hero-full { height: 92vh; min-height: 560px; }
  .hero-full .hero-bg::after {
    background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.25) 55%, rgba(0,0,0,0.15));
  }
  .hero-full .container { padding-bottom: 56px; }
  .hero-full h1 { font-size: 40px; line-height: 1.1; }
  .hero-full p { font-size: 15px; margin-top: 18px; }
  .hero-full .hero-actions { gap: 10px; }
  .hero-full .hero-actions .btn { padding: 14px 22px; font-size: 11px; }
}

/* Compact hero (page-top, no bg image) */
.hero-compact { padding: 80px 0 56px; border-bottom: 1px solid var(--border); }
.hero-compact .label-md { color: var(--ink-soft); margin-bottom: 20px; display: block; }
.hero-compact h1 { font-size: clamp(40px, 5.5vw, 64px); line-height: 1.1; max-width: 880px; }
.hero-compact p { margin-top: 24px; max-width: 620px; font-size: 18px; color: var(--ink-soft); line-height: 1.7; }

/* ── Sections ───────────────────────────────────────────────────────── */
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 56px; flex-wrap: wrap; gap: 20px;
}
.section-head .left h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; max-width: 600px; }
.section-head .left .label-md { margin-bottom: 16px; display: block; color: var(--ink-soft); }
.section-head .right { font-size: 15px; line-height: 1.7; color: var(--ink-soft); max-width: 360px; }

/* ── Featured categories (Home) ─────────────────────────────────────── */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gutter); }
@media (max-width: 760px) { .cat-grid { grid-template-columns: 1fr; } }
.cat-card {
  display: block; position: relative; overflow: hidden;
  aspect-ratio: 4/5; background: #ddd;
}
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.cat-card:hover img { transform: scale(1.05); }
.cat-card .cat-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 32px;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: #fff;
}
.cat-card .cat-info h3 { font-family: 'Playfair Display', serif; font-size: 28px; font-weight: 400; margin-bottom: 6px; }
.cat-card .cat-info p { font-size: 13px; opacity: 0.85; }
.cat-card .cat-info .view { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; margin-top: 14px; display: inline-block; border-bottom: 1px solid rgba(255,255,255,0.7); padding-bottom: 2px; }

/* ── Portfolio grid ─────────────────────────────────────────────────── */
.portfolio-filter {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border); padding-bottom: 16px;
}
.portfolio-filter button {
  background: transparent; border: none; cursor: pointer;
  padding: 8px 16px;
  font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft);
  border-bottom: 1px solid transparent;
}
.portfolio-filter button:hover, .portfolio-filter button.active { color: var(--royal); border-bottom-color: var(--royal); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
@media (max-width: 900px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .portfolio-grid { grid-template-columns: 1fr; } }
.portfolio-item { position: relative; overflow: hidden; background: #ddd; aspect-ratio: 1/1; }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.portfolio-item:hover img { transform: scale(1.04); }
.portfolio-item.tall { aspect-ratio: 3/4; }
.portfolio-item.wide { aspect-ratio: 4/3; }

/* ── Services list ──────────────────────────────────────────────────── */
.services-list { max-width: 960px; margin: 0 auto; }
.service-group { padding: 48px 0; border-bottom: 1px solid var(--border); }
.service-group:first-child { padding-top: 0; }
.service-group h2 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 8px; }
.service-group p.tagline { font-size: 14px; color: var(--ink-soft); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 32px; }
.service-group ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
@media (max-width: 600px) { .service-group ul { grid-template-columns: 1fr; } }
.service-group li {
  padding: 18px 0; border-bottom: 1px solid var(--border);
  font-size: 17px; color: var(--ink);
  display: flex; align-items: center; gap: 12px;
}
.service-group li:nth-child(even) { padding-left: 0; }
@media (min-width: 601px) { .service-group li:nth-child(even) { padding-left: 32px; } }
.service-group li::before {
  content: ""; display: inline-block;
  width: 16px; height: 1px; background: var(--ink); flex-shrink: 0;
}

/* ── About ──────────────────────────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-portrait img { width: 100%; height: auto; display: block; }
.about-portrait .caption { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); margin-top: 12px; text-align: right; }
.about-text h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; margin-bottom: 32px; }
.about-text p { font-size: 17px; color: var(--ink-soft); margin-bottom: 24px; line-height: 1.8; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--border); }
.about-stats .stat { }
.about-stats .stat-num { font-family: 'Playfair Display', serif; font-size: 40px; line-height: 1; margin-bottom: 8px; color: var(--royal); }
.about-stats .stat-label { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }

/* ── FAQ ────────────────────────────────────────────────────────────── */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 28px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  font-family: 'Playfair Display', serif; font-size: clamp(20px, 2.4vw, 24px); line-height: 1.4; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 28px; line-height: 1; color: var(--royal);
  transition: transform .2s ease;
}
.faq-item[open] summary { color: var(--royal); }
.faq-item[open] summary::after { content: "−"; }
.faq-item .answer { padding: 0 0 32px; font-size: 16px; line-height: 1.75; color: var(--ink-soft); max-width: 720px; }

/* ── Contact / Form ─────────────────────────────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }
.contact-info h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; margin-bottom: 24px; }
.contact-info p { font-size: 17px; color: var(--ink-soft); margin-bottom: 32px; line-height: 1.7; }
.contact-info .detail { padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-info .detail .label { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 4px; }
.contact-info .detail .value { font-size: 17px; color: var(--ink); }

form.quote-form { display: flex; flex-direction: column; gap: 28px; }
form.quote-form .form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
@media (max-width: 600px) { form.quote-form .form-row { grid-template-columns: 1fr; gap: 28px; } }
form.quote-form .field { display: flex; flex-direction: column; }
form.quote-form label {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink); font-weight: 500; margin-bottom: 8px;
}
form.quote-form input,
form.quote-form select,
form.quote-form textarea {
  border: none; border-bottom: 1px solid var(--ink);
  background: transparent; padding: 8px 0;
  font-family: 'Inter', sans-serif; font-size: 16px; color: var(--ink);
  resize: vertical;
}
form.quote-form input:focus,
form.quote-form select:focus,
form.quote-form textarea:focus { outline: none; border-bottom: 2px solid var(--royal); padding-bottom: 7px; }
form.quote-form textarea { min-height: 100px; }
form.quote-form button { align-self: flex-start; margin-top: 12px; }
form.quote-form .status { font-size: 13px; color: var(--ink-soft); margin-top: 12px; }
form.quote-form .status.success { color: #2d6a4f; }
form.quote-form .status.error { color: #ba1a1a; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  background: #fff; border-top: 1px solid var(--border);
  padding: 80px 0 32px;
}
.site-footer .inner { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: end; }
@media (max-width: 760px) { .site-footer .inner { grid-template-columns: 1fr; gap: 40px; } }
.site-footer .brand-block .brand-link { font-size: 28px; }
.site-footer .brand-block .brand-link small { display: none; }
.site-footer .tagline { font-family: 'Playfair Display', serif; font-style: italic; font-size: 18px; color: var(--ink-soft); margin-top: 16px; max-width: 480px; line-height: 1.6; }
.site-footer .footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer .footer-links a { font-size: 13px; color: var(--ink); border-bottom: 1px solid transparent; padding-bottom: 2px; }
.site-footer .footer-links a:hover { border-bottom-color: var(--royal); color: var(--royal); }
.site-footer .legal {
  margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: var(--ink-soft);
}
.site-footer .legal .credit a { border-bottom: 1px solid var(--ink-soft); color: var(--ink-soft); }