/* ─────────────────────────────────────────────────
   JAIM Electrostatic Paint — Design System
   ───────────────────────────────────────────────── */

/* Variables */
:root {
  --accent: #2F80FF;
  --radius: 2px;
  --bg: #0A0D12;
  --bg-alt: #080A0F;
  --surface: #11151C;
  --surface-hi: #161B24;
  --text: #EAF0F7;
  --text-2: #9AA6B6;
  --text-3: #8A95A5;
  --text-4: #7E8A9A;
  --text-muted: #5A6678;
  --border: rgba(255,255,255,.07);
  --border-hi: rgba(255,255,255,.14);
  --metallic: linear-gradient(160deg, #E7ECF2, #9AA6B6);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Archivo', -apple-system, sans-serif;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
input, textarea, button { font-family: inherit; }
::placeholder { color: var(--text-muted); }

/* Animations */
@keyframes marquee { from { transform: translateX(0) } to { transform: translateX(-50%) } }
@keyframes spark   { 0%,100%{ opacity:.35 } 50%{ opacity:1 } }

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Utility Bar ──────────────────────────────── */
.utility-bar {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.utility-bar .container {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--text-3);
}
.utility-left  { display: flex; align-items: center; gap: 22px; }
.utility-right { display: flex; align-items: center; gap: 18px; }
.utility-link  { color: var(--text-3); transition: color .2s; }
.utility-link:hover { color: var(--text); }
.accent-mark { color: var(--accent); }
.utility-area { color: var(--text-muted); }
.lang-form { display: inline; }
.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
  color: var(--text);
  padding: 3px 10px;
  border-radius: var(--radius);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Header ──────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(8,10,15,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo-letras { height: 48px; width: auto; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  color: #c4ccd8;
  font-size: 14px;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 2px;
  transition: color .2s, background .2s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.05); }

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: filter .2s, background .2s, border-color .2s;
  font-size: 14px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset;
}
.btn-primary:hover { filter: brightness(1.12); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.22);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.05); }
.btn-ghost {
  background: transparent; border: 1px dashed rgba(255,255,255,.28); color: var(--text-2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: rgba(47,128,255,.06); }
.btn-lg { font-size: 15px; padding: 15px 26px; }

/* ── Kicker line ─────────────────────────────── */
.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.kicker::before { content:''; display:block; width:30px; height:1px; background:var(--accent); }
.kicker-center { justify-content: center; }
.kicker-center::after { content:''; display:block; width:30px; height:1px; background:var(--accent); }
.section-title {
  font-family: 'Saira Condensed';
  font-weight: 700;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1;
  text-transform: uppercase;
  color: #fff;
}

/* ── Hero ─────────────────────────────────────── */
.hero {
  position: relative;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero-blueprint {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 30% 40%, #000, transparent 78%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -120px; left: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  opacity: .16;
  filter: blur(20px);
  pointer-events: none;
}
.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 78px 32px 84px;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 54px;
  align-items: center;
}
.hero-title {
  font-family: 'Saira Condensed';
  font-weight: 800;
  line-height: .92;
  letter-spacing: .005em;
  font-size: clamp(48px, 5.6vw, 82px);
  text-transform: uppercase;
  color: #fff;
}
.hero-title-accent { color: var(--accent); }
.hero-sub { margin-top: 22px; max-width: 520px; font-size: 17px; line-height: 1.6; color: var(--text-2); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-stats {
  display: flex;
  gap: 38px;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 26px;
  max-width: 520px;
}
.hero-stat-n { font-family:'Saira Condensed'; font-weight:700; font-size:34px; color:#fff; line-height:1; }
.hero-stat-l { font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.08em; color:var(--text-4); margin-top:6px; text-transform:uppercase; }
.hero-img-col { position: relative; }
.hero-img-wrap {
  position: relative;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: repeating-linear-gradient(45deg,#161B24,#161B24 10px,#1b212b 10px,#1b212b 20px);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.8);
}
.hero-img-wrap img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.hero-img-overlay { position:absolute; inset:0; background:linear-gradient(160deg, transparent 40%, rgba(8,10,15,.7)); }
.hero-img-badge {
  position: absolute;
  left: 16px; bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .1em;
  color: #cfd7e2;
  background: rgba(8,10,15,.6);
  backdrop-filter: blur(4px);
  padding: 7px 11px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,.12);
}
.hero-badge {
  position: absolute;
  right: -14px; top: -14px;
  background: var(--metallic);
  color: var(--bg);
  padding: 14px 16px;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,.7);
}
.hero-badge-n { font-family:'Saira Condensed'; font-weight:800; font-size:26px; line-height:1; }
.hero-badge-l { font-family:'JetBrains Mono',monospace; font-size:9.5px; letter-spacing:.1em; margin-top:3px; }

/* ── Marquee ──────────────────────────────────── */
.marquee-wrap { border-bottom:1px solid var(--border); background:var(--bg-alt); overflow:hidden; }
.marquee-track { display:flex; width:max-content; animation:marquee 32s linear infinite; }
.marquee-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px; letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3); white-space: nowrap;
}
.marquee-star { color: var(--accent); }

/* ── Explainer ────────────────────────────────── */
.explainer { border-bottom:1px solid var(--border); }
.explainer-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.exp-body { margin-top:20px; font-size:16.5px; line-height:1.65; color:var(--text-2); max-width:520px; }
.exp-cards { display:flex; flex-direction:column; gap:14px; }
.exp-card {
  display:flex; gap:20px; align-items:flex-start;
  border:1px solid rgba(255,255,255,.09);
  background:var(--surface);
  border-radius:var(--radius);
  padding:22px 24px;
}
.exp-card-n { font-family:'Saira Condensed'; font-weight:800; font-size:30px; color:var(--accent); line-height:1; min-width:64px; }
.exp-card-t { font-weight:600; font-size:16px; color:#fff; }
.exp-card-d { font-size:14px; color:var(--text-3); line-height:1.55; margin-top:5px; }

/* ── Services ─────────────────────────────────── */
.services-section { border-bottom:1px solid var(--border); background:var(--bg-alt); }
.services-header {
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; flex-wrap:wrap; margin-bottom:42px;
}
.services-sub { font-size:15.5px; color:var(--text-3); max-width:340px; line-height:1.6; }
.services-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.service-card {
  background:var(--surface);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex; flex-direction:column;
  transition:border-color .2s;
  color:inherit;
}
.service-card:hover { border-color:var(--accent); }
.service-card-img {
  position:relative; aspect-ratio:16/11;
  background:repeating-linear-gradient(45deg,#161B24,#161B24 10px,#1b212b 10px,#1b212b 20px);
  overflow:hidden;
}
.service-card-img img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.service-card-num {
  position:absolute; top:12px; left:12px;
  font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.1em;
  color:#fff; background:rgba(8,10,15,.65); backdrop-filter:blur(4px);
  padding:5px 9px; border-radius:2px; border:1px solid rgba(255,255,255,.14);
}
.service-card-body { padding:22px 22px 24px; }
.service-card-title { font-family:'Saira Condensed'; font-weight:700; font-size:23px; text-transform:uppercase; color:#fff; letter-spacing:.01em; }
.service-card-desc { font-size:14px; color:var(--text-3); line-height:1.55; margin-top:8px; }
.service-card-more { margin-top:16px; font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.08em; color:var(--accent); text-transform:uppercase; }

/* ── Before/After ────────────────────────────── */
.ba-section { border-bottom:1px solid var(--border); }
.ba-text-center { text-align:center; margin-bottom:42px; }
.ba-wrap {
  position:relative; max-width:880px; margin:0 auto;
  border:1px solid var(--border-hi); border-radius:var(--radius);
  overflow:hidden; aspect-ratio:16/9; background:var(--surface);
}
.ba-after-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.ba-before-clip { position:absolute; inset:0; overflow:hidden; border-right:2px solid var(--accent); width:50%; }
.ba-before-img { position:absolute; inset:0; width:880px; max-width:none; height:100%; object-fit:cover; filter:grayscale(.4) brightness(.82); }
.ba-label { position:absolute; font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.1em; color:#fff; padding:5px 10px; border-radius:2px; }
.ba-label-before { left:14px; top:14px; background:rgba(8,10,15,.7); }
.ba-label-after  { right:14px; top:14px; background:var(--accent); }
.ba-range { position:absolute; left:0; right:0; bottom:18px; width:80%; margin:0 10%; cursor:ew-resize; accent-color:var(--accent); }

/* ── Why ──────────────────────────────────────── */
.why-section { border-bottom:1px solid var(--border); background:var(--bg-alt); }
.why-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:42px; }
.why-card { border:1px solid rgba(255,255,255,.09); background:var(--surface); border-radius:var(--radius); padding:28px 26px; }
.why-card-num { font-family:'JetBrains Mono',monospace; font-size:13px; color:var(--accent); letter-spacing:.1em; }
.why-card-t { font-family:'Saira Condensed'; font-weight:700; font-size:24px; text-transform:uppercase; color:#fff; margin-top:14px; }
.why-card-d { font-size:14px; color:var(--text-3); line-height:1.6; margin-top:10px; }
.chips { display:flex; flex-wrap:wrap; gap:10px; margin-top:30px; }
.chip { font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:#c4ccd8; border:1px solid rgba(255,255,255,.14); padding:9px 15px; border-radius:999px; }

/* ── Gallery Preview ─────────────────────────── */
.gallery-preview-section { border-bottom:1px solid var(--border); }
.gallery-preview-header {
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; flex-wrap:wrap; margin-bottom:36px;
}
.gallery-preview-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }

/* ── Gallery thumbs (shared) ─────────────────── */
.g-thumb {
  position:relative; border:1px solid rgba(255,255,255,.09); border-radius:var(--radius);
  overflow:hidden; cursor:pointer;
  background:repeating-linear-gradient(45deg,#161B24,#161B24 10px,#1b212b 10px,#1b212b 20px);
  transition:border-color .2s;
}
.g-thumb:hover { border-color:var(--accent); }
.g-thumb img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.g-thumb-label {
  position:absolute; left:12px; bottom:12px;
  font-family:'JetBrains Mono',monospace; font-size:10.5px; letter-spacing:.1em;
  color:#fff; background:rgba(8,10,15,.65); backdrop-filter:blur(4px);
  padding:5px 9px; border-radius:2px; text-transform:uppercase;
}
.g-thumb-aspect-43 { aspect-ratio:4/3; }
.g-thumb-aspect-1  { aspect-ratio:1; }

/* ── Contact ──────────────────────────────────── */
.contact-section { position:relative; overflow:hidden; border-bottom:1px solid var(--border); }
.contact-blueprint {
  position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 75% 30%, #000, transparent 75%);
}
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:54px; position:relative; }
.contact-sub { margin-top:14px; font-size:16px; color:var(--text-2); line-height:1.6; max-width:440px; }
.contact-info-list { display:flex; flex-direction:column; gap:18px; margin-top:34px; }
.contact-info-item { display:flex; gap:14px; align-items:flex-start; }
.ci-icon { color:var(--accent); font-size:18px; flex-shrink:0; line-height:1.4; }
.ci-label { font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.1em; color:var(--text-4); text-transform:uppercase; }
.ci-val { color:var(--text); font-size:16px; }
.ci-val a { color:var(--text); }
.contact-box { border:1px solid rgba(255,255,255,.1); background:var(--surface); border-radius:var(--radius); padding:30px; }
.contact-form { display:flex; flex-direction:column; gap:14px; }
.form-input {
  background:var(--bg); border:1px solid rgba(255,255,255,.12);
  color:#fff; padding:14px 16px; border-radius:var(--radius);
  font-size:15px; outline:none; width:100%; transition:border-color .2s;
}
.form-input:focus { border-color:var(--accent); }
textarea.form-input { resize:vertical; }
.contact-map { margin-top:18px; border:1px solid rgba(255,255,255,.1); border-radius:var(--radius); overflow:hidden; height:180px; background:var(--bg); }
.contact-map iframe { width:100%; height:180px; border:0; filter:grayscale(.3) invert(.9) hue-rotate(180deg); }

/* ── Footer ──────────────────────────────────── */
.site-footer { border-top:1px solid var(--border); background:var(--bg-alt); }
.footer-inner {
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px;
  padding:60px 32px 30px; max-width:1240px; margin:0 auto;
}
.footer-brand { display:flex; align-items:center; }
.footer-logo-letras { height:44px; width:auto; object-fit:contain; }
.footer-tag { margin-top:16px; font-size:15px; color:var(--text-3); max-width:320px; line-height:1.6; }
.footer-socials { display:flex; gap:10px; margin-top:18px; }
.footer-social { font-family:'JetBrains Mono',monospace; font-size:12px; color:#c4ccd8; border:1px solid rgba(255,255,255,.14); padding:8px 13px; border-radius:2px; transition:border-color .2s, color .2s; }
.footer-social:hover { border-color:var(--accent); color:var(--accent); }
.footer-col-title { font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-4); margin-bottom:16px; }
.footer-links { display:flex; flex-direction:column; gap:10px; }
.footer-link { color:#c4ccd8; font-size:14px; transition:color .2s; }
.footer-link:hover { color:#fff; }
.footer-contact { font-size:14px; color:#8A95A5; margin-top:14px; line-height:1.7; }
.footer-bottom {
  max-width:1240px; margin:0 auto; padding:18px 32px;
  border-top:1px solid var(--border);
  font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:.05em; color:var(--text-muted);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* ── Lightbox ─────────────────────────────────── */
.lightbox {
  position:fixed; inset:0; z-index:200;
  background:rgba(5,7,11,.92); backdrop-filter:blur(8px);
  display:none; align-items:center; justify-content:center;
  padding:40px; cursor:zoom-out;
}
.lightbox.open { display:flex; }
.lightbox-img { max-width:90%; max-height:88%; object-fit:contain; border:1px solid rgba(255,255,255,.16); border-radius:var(--radius); }
.lightbox-close {
  position:absolute; top:26px; right:30px;
  background:transparent; border:1px solid rgba(255,255,255,.25);
  color:#fff; width:44px; height:44px; border-radius:50%;
  font-size:18px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}

/* ── Gallery Page ─────────────────────────────── */
.gallery-page { max-width:1240px; margin:0 auto; padding:64px 32px 96px; }
.filter-bar { display:flex; flex-wrap:wrap; gap:10px; margin-top:30px; margin-bottom:30px; }
.filter-btn {
  font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; padding:10px 18px; border-radius:999px;
  border:1px solid rgba(255,255,255,.18); background:transparent; color:#c4ccd8;
  cursor:pointer; transition:background .2s, border-color .2s, color .2s;
}
.filter-btn.active { background:var(--accent); border-color:var(--accent); color:#fff; }
.gallery-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }

/* ── Detail Page ──────────────────────────────── */
.detail-page { max-width:1240px; margin:0 auto; padding:40px 32px 96px; }
.back-btn {
  background:transparent; border:none; color:var(--text-3);
  font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; margin-bottom:30px;
  display:inline-flex; align-items:center; gap:6px;
  transition:color .2s; cursor:pointer;
}
.back-btn:hover { color:#fff; }
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:54px; align-items:center; }
.detail-kicker { font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--accent); margin-bottom:16px; }
.detail-title { font-family:'Saira Condensed'; font-weight:800; font-size:clamp(40px,5vw,68px); line-height:.96; text-transform:uppercase; color:#fff; }
.detail-desc { margin-top:18px; font-size:16px; color:var(--text-2); line-height:1.65; }
.detail-body { margin-top:14px; font-size:15.5px; color:var(--text-3); line-height:1.65; }
.detail-bullets { display:flex; flex-direction:column; gap:12px; margin-top:26px; }
.detail-bullet { display:flex; gap:12px; align-items:flex-start; font-size:15px; color:#c4ccd8; }
.bullet-arrow { color:var(--accent); margin-top:2px; flex-shrink:0; }
.detail-img-wrap {
  position:relative; border:1px solid var(--border-hi); border-radius:var(--radius);
  overflow:hidden; aspect-ratio:4/5;
  background:repeating-linear-gradient(45deg,#161B24,#161B24 10px,#1b212b 10px,#1b212b 20px);
}
.detail-img-wrap img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.detail-gallery-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:48px; }

/* ── Section padding ──────────────────────────── */
.section-pad { padding:88px 32px; max-width:1240px; margin:0 auto; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */

/* Hamburger (mobile header) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  cursor: pointer;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Tablet  ≤ 1024px ────────────────────────── */
@media (max-width: 1024px) {
  .services-grid      { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid       { grid-template-columns: repeat(2, 1fr); }
  .gallery-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner       { grid-template-columns: 1fr 1fr; }
  .footer-inner > div:first-child { grid-column: 1 / -1; }
  .hero-inner         { gap: 36px; }
  .explainer-grid     { gap: 40px; }
}

/* ── Mobile  ≤ 768px ─────────────────────────── */
@media (max-width: 768px) {

  /* container padding */
  .container    { padding: 0 20px; }
  .section-pad  { padding: 60px 20px; }

  /* utility bar */
  .utility-bar .container { height: auto; padding: 10px 20px; flex-wrap: wrap; gap: 8px; }
  .utility-left  { gap: 14px; }
  .utility-right { gap: 12px; }
  .utility-area  { display: none; }

  /* header */
  .header-inner { padding: 0 20px; }
  .hamburger    { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    top: 108px; /* util bar ~38px + header ~70px */
    left: 0; right: 0;
    background: rgba(8,10,15,.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 0 20px;
    z-index: 89;
  }
  .site-nav.open { display: flex; }
  .nav-link {
    padding: 14px 24px;
    border-radius: 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
  }
  .site-nav .btn {
    margin: 16px 24px 0;
    justify-content: center;
  }

  /* hero */
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 48px 20px 56px;
    gap: 40px;
  }
  .hero-img-col { order: -1; }
  .hero-img-wrap { aspect-ratio: 16/9; }
  .hero-badge   { right: 10px; top: 10px; padding: 10px 12px; }
  .hero-badge-n { font-size: 20px; }
  .hero-badge-l { font-size: 8px; }
  .hero-ctas    { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .hero-stats   { gap: 24px; }

  /* explainer */
  .explainer-grid { grid-template-columns: 1fr; gap: 36px; }

  /* services */
  .services-grid  { grid-template-columns: 1fr; }
  .services-header { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* why */
  .why-grid { grid-template-columns: 1fr; }

  /* gallery preview */
  .gallery-preview-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .gallery-preview-header { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* gallery page */
  .gallery-page { padding: 40px 20px 64px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; gap: 10px; }

  /* contact */
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }

  /* footer */
  .footer-inner {
    grid-template-columns: 1fr;
    padding: 48px 20px 24px;
    gap: 32px;
  }
  .footer-bottom { padding: 16px 20px; flex-direction: column; gap: 6px; }

  /* detail */
  .detail-page { padding: 32px 20px 64px; }
  .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

  /* BA slider */
  .ba-wrap { aspect-ratio: 4/3; }

  /* lightbox */
  .lightbox { padding: 16px; }
  .lightbox-close { top: 12px; right: 12px; }
}

/* ── Small mobile  ≤ 480px ───────────────────── */
@media (max-width: 480px) {
  .gallery-preview-grid { grid-template-columns: 1fr; }
  .gallery-grid         { grid-template-columns: 1fr; }
  .detail-gallery-grid  { grid-template-columns: 1fr 1fr; }
  .hero-stats           { flex-wrap: wrap; gap: 20px; }
  .filter-bar           { gap: 8px; }
  .filter-btn           { padding: 8px 13px; font-size: 11px; }
}

/* ═══════════════════════════════════════════════
   ACCESSIBILITY & FOCUS
   ═══════════════════════════════════════════════ */

/* Skip to main content */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 999;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 10px; }

/* Focus-visible for all interactive elements */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
/* Remove default outline only when :focus-visible is supported */
:focus:not(:focus-visible) { outline: none; }

/* Ensure form inputs keep their own focus style */
.form-input:focus-visible {
  outline: none;
  border-color: var(--accent);
}

/* ── Mobile nav transition ──────────────────────── */
@media (max-width: 768px) {
  .site-nav {
    display: flex !important;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, visibility 0s linear .22s;
  }
  .site-nav.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity .22s ease, transform .22s ease, visibility 0s linear 0s;
  }
}

/* ── Gallery filter active state for screen readers ── */
.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Form validation states ──────────────────────── */
.form-input.input-error  { border-color: #e05454; }
.form-input.input-ok     { border-color: #22c55e; }
.field-error {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #e05454;
  margin-top: 4px;
  display: none;
}
.field-error.visible { display: block; }

/* ── Work Area Modal ─────────────────────────────── */
.wa-modal {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.72);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .25s;
}
.wa-modal.open { opacity: 1; pointer-events: auto; }
.wa-modal-box {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  width: 100%; max-width: 600px;
  padding: 28px 28px 24px;
  box-shadow: 0 24px 64px rgba(0,0,0,.7);
}
.wa-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.wa-modal-title {
  font-family: 'Saira Condensed'; font-weight: 700; font-size: 22px;
  text-transform: uppercase; color: #fff; display: flex; align-items: center; gap: 10px;
}
.wa-modal-close {
  background: none; border: none; color: var(--text-3); font-size: 20px;
  cursor: pointer; padding: 4px 8px; border-radius: 4px; transition: color .2s;
}
.wa-modal-close:hover { color: #fff; }
.wa-modal-sub { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .14em; color: var(--accent); text-transform: uppercase; margin-bottom: 18px; }
.wa-modal-map { border-radius: 6px; overflow: hidden; aspect-ratio: 16/9; }
.wa-modal-map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ── Floating contact buttons ────────────────────── */
.float-btns {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(10, 13, 18, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 14px 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  opacity: 1;
  pointer-events: auto;
  transition: opacity .3s, transform .3s;
}
.float-btns--hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateY(calc(-50% + 16px)) !important;
}
@media (max-width: 768px) {
  .float-btns {
    flex-direction: row;
    right: auto;
    top: auto;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
  }
  .float-btns--hidden {
    transform: translateX(-50%) translateY(20px) !important;
  }
}
.float-btn {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: #fff;
  transition: transform .2s, filter .2s;
  flex-shrink: 0;
}
.float-btn:hover, .float-btn:focus-visible {
  transform: scale(1.15);
  filter: brightness(1.15);
  outline: none;
}
.float-btn--wa { background: #25D366; }
.float-btn--fb { background: #1877F2; }
.float-btn--ig { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }

/* ── Toast notification ──────────────────────────── */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
  font-size: 14px;
  padding: 14px 22px;
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 300;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}