/* ===== Tokens ===== */
:root {
  --steel-dark: #17181A;
  --steel: #24262A;
  --steel-light: #3A3D41;
  --steel-edge: #6A6E72;
  --plate: #D7D9D3;
  --plate-deep: #C4C7BF;
  --ink: #17181A;
  --ink-soft: #4A4D48;
  --text: #ECEDE7;
  --text-dim: #A4A8A0;
  --spark: #FF6A1A;
  --spark-hot: #FFC24D;
  --spark-dark: #C4470A;
  --hazard: #F2B705;
  --font-display: 'PT Sans Narrow', 'Arial Narrow', sans-serif;
  --font-body: 'PT Sans', Arial, sans-serif;
  --font-mono: 'PT Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--steel-dark);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2.5rem); }
section { position: relative; }

/* brushed steel texture */
body, .hero, .services, .footer {
  background-color: var(--steel-dark);
  background-image:
    repeating-linear-gradient(100deg, rgba(255,255,255,.025) 0px, rgba(255,255,255,.025) 1px, transparent 1px, transparent 3px),
    radial-gradient(ellipse at 20% -10%, rgba(255,106,26,.08), transparent 55%);
}
.section-light {
  background-color: var(--plate);
  background-image:
    repeating-linear-gradient(100deg, rgba(0,0,0,.035) 0px, rgba(0,0,0,.035) 1px, transparent 1px, transparent 3px);
  color: var(--ink);
}
.gallery { background: var(--steel-dark); }

.headline {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}
.section-sub { color: var(--text-dim); max-width: 52ch; margin-bottom: 2.5rem; }
.section-light .section-sub { color: var(--ink-soft); }

.doc-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--spark);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.doc-eyebrow::before { content: ""; width: 18px; height: 3px; background: var(--spark); display: inline-block; }

/* ===== Reveal ===== */
.reveal { transition: opacity .6s ease, transform .6s ease; }
.reveal.pre { opacity: 0; transform: translateY(18px); }

/* ===== Progress bar ===== */
.progress-bar { position: fixed; top: 0; left: 0; height: 3px; background: var(--spark); z-index: 200; width: 0; box-shadow: 0 0 12px var(--spark); }

/* ===== Rivets (corner detail on dark panels) ===== */
.rivet { position: absolute; width: 14px; height: 14px; border-radius: 50%; z-index: 2;
  background: radial-gradient(circle at 35% 30%, var(--steel-edge), var(--steel) 60%, #000 100%);
  box-shadow: 0 1px 2px rgba(0,0,0,.6), inset 0 1px 1px rgba(255,255,255,.15);
}
.rivet::after { content: ""; position: absolute; inset: 5px; border-radius: 1px; background: rgba(0,0,0,.55); transform: rotate(-20deg); }
.rivet-tl { top: 22px; left: 22px; } .rivet-tr { top: 22px; right: 22px; }
.rivet-bl { bottom: 22px; left: 22px; } .rivet-br { bottom: 22px; right: 22px; }

/* ===== Title block header ===== */
.titleblock {
  position: sticky; top: 0; z-index: 100;
  background: var(--steel-dark);
  border-bottom: 2px solid var(--spark);
  box-shadow: 0 2px 24px rgba(0,0,0,.4);
  transition: transform .3s ease;
}
.titleblock.hide { transform: translateY(-100%); }
.titleblock-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex; align-items: center; gap: 2rem; height: 64px;
}
.tb-cell { display: flex; flex-direction: column; line-height: 1.1; }
.tb-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); }
.tb-value { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; letter-spacing: 0.03em; color: var(--text); }
.nav { display: flex; gap: 1.75rem; margin-left: 1rem; flex: 1; }
.nav a { font-family: var(--font-mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-dim); border-bottom: 1px solid transparent; padding-bottom: 2px; }
.nav a:hover { color: var(--text); border-color: var(--spark); }
.btn-nav { display: inline-flex; }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.burger span { width: 22px; height: 2px; background: var(--text); }
.mobile-nav { display: none; }

/* ===== Buttons: industrial switch press ===== */
.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 1.6rem;
  border: none;
  cursor: pointer;
  display: inline-block;
  background: linear-gradient(180deg, var(--steel-light), var(--steel));
  color: var(--text);
  border-radius: 3px;
  box-shadow: 0 3px 0 #0a0a0b, 0 6px 14px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.12);
  transition: transform .08s ease, box-shadow .08s ease;
}
.btn:active { transform: translateY(3px); box-shadow: 0 0 0 #0a0a0b, inset 0 1px 0 rgba(255,255,255,.12); }
.btn-primary {
  background: linear-gradient(180deg, var(--spark-hot), var(--spark) 55%, var(--spark-dark));
  color: #1A0900;
  box-shadow: 0 3px 0 #7a2c05, 0 8px 20px rgba(255,106,26,.35), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:active { box-shadow: 0 0 0 #7a2c05, inset 0 1px 0 rgba(255,255,255,.35); }
.btn-ghost { background: transparent; border: 1.5px solid var(--steel-edge); box-shadow: none; }
.btn-ghost:active { transform: translateY(2px); }
.section-light .btn-ghost { border-color: var(--ink-soft); color: var(--ink); }
.btn-full { width: 100%; text-align: center; }
.btn-small { padding: 0.55rem 1.1rem; font-size: 0.75rem; box-shadow: 0 2px 0 #7a2c05; }
.btn-small:active { transform: translateY(2px); box-shadow: 0 0 0 #7a2c05; }

/* ===== Hero: steel plate ===== */
.hero {
  min-height: 96vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(4rem, 8vw, 6rem) 0 6rem;
  position: relative;
  overflow: hidden;
  background: var(--steel-dark);
}
.hero-media { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.hero-media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(15%) contrast(1.1) brightness(0.55);
  transform: scale(1.12);
  animation: hero-kenburns 18s ease-in-out infinite alternate;
}
@keyframes hero-kenburns {
  from { transform: scale(1.12) translateY(0); }
  to { transform: scale(1.22) translateY(-2%); }
}
.hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(23,24,26,.97) 0%, rgba(23,24,26,.92) 32%, rgba(23,24,26,.55) 60%, rgba(23,24,26,.75) 100%),
    linear-gradient(0deg, var(--steel-dark) 0%, transparent 22%);
}
.hero-content, .hero-tab { position: relative; z-index: 1; }
.hazard-badge {
  position: absolute;
  top: clamp(78px, 10vw, 110px);
  right: clamp(1rem, 6vw, 5rem);
  transform: rotate(4deg);
  background: repeating-linear-gradient(45deg, var(--hazard), var(--hazard) 12px, #1a1a1a 12px, #1a1a1a 24px);
  padding: 3px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.hazard-badge span {
  display: block;
  background: var(--steel-dark);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.55rem 1rem;
}

.hero-content { max-width: 780px; padding: 0 clamp(1.25rem, 4vw, 2.5rem); }
.doc-header {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--spark);
  display: flex; gap: 1.5rem;
  border-left: 3px solid var(--spark);
  padding-left: 0.8rem;
  margin-bottom: 2rem;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(3rem, 8vw, 5.6rem);
  line-height: 0.92;
  letter-spacing: 0.005em;
  margin-bottom: 1.6rem;
  color: var(--text);
  text-shadow: 0 2px 0 #000, 0 4px 18px rgba(0,0,0,.5);
}
.hero-sub { font-size: 1.05rem; color: var(--text-dim); max-width: 52ch; margin-bottom: 2.2rem; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-tab {
  position: absolute;
  bottom: 0; left: clamp(1.25rem, 4vw, 2.5rem);
  background: linear-gradient(180deg, var(--spark-hot), var(--spark));
}
.hero-tab a {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #1A0900;
  padding: 0.7rem 1.4rem;
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0% 100%);
}

/* ===== About ===== */
.about { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.about-copy p { color: var(--ink-soft); max-width: 50ch; margin-bottom: 2rem; }
.about-stats { display: flex; gap: clamp(1.5rem, 4vw, 3rem); border-top: 2px solid var(--ink); padding-top: 1.2rem; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--spark-dark); }
.stat-label { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }
.about-photo { position: relative; box-shadow: 0 14px 40px rgba(0,0,0,.35); overflow: hidden; }
.about-photo img {
  aspect-ratio: 4/3; object-fit: cover;
  filter: grayscale(12%) contrast(1.12) saturate(1.05) brightness(0.97);
  transition: transform .8s cubic-bezier(.2,.8,.2,1), filter .8s ease;
}
.about-photo:hover img { transform: scale(1.06); filter: grayscale(0%) contrast(1.15) saturate(1.1) brightness(1); }
.photo-tag {
  position: absolute; bottom: 0; left: 0;
  background: var(--steel-dark); color: var(--text);
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 0.35rem 0.7rem;
}

/* ===== Services: tolerance table on steel ===== */
.services { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.tol-table { border-top: 3px solid var(--spark); }
.tol-row {
  display: grid;
  grid-template-columns: 56px 1.1fr 0.7fr 1.3fr 1.3fr;
  gap: 1.25rem;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--steel-light);
}
.tol-code {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.95rem;
  background: linear-gradient(180deg, var(--spark-hot), var(--spark-dark));
  color: #1A0900;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
}
.tol-name { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 1.15rem; letter-spacing: 0.01em; color: var(--text); }
.tol-value { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-dim); }
.tol-tolerance { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; color: var(--spark-hot); }
.tol-header { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel-edge); padding-bottom: 0.5rem; }

/* ===== Gallery: exhibits on dark steel ===== */
.gallery { padding: clamp(4rem, 8vw, 6.5rem) 0 clamp(4rem, 6vw, 5rem); }
.gallery-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  background: var(--steel-light);
  margin-top: 2rem;
}
.gallery-item {
  position: relative; background: var(--steel); overflow: hidden;
  transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s ease, z-index 0s;
}
.gallery-item img {
  aspect-ratio: 4/3; object-fit: cover;
  filter: grayscale(15%) contrast(1.08) brightness(0.92);
  transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .6s ease;
}
.gallery-item:hover {
  transform: scale(1.045) translateY(-4px);
  box-shadow: 0 24px 48px -12px rgba(0,0,0,.6), 0 0 0 1px var(--spark);
  z-index: 2;
}
.gallery-item:hover img { transform: scale(1.08); filter: grayscale(0%) contrast(1.15) brightness(1.05); }
.gallery-item .exhibit-tag { transition: transform .4s ease, opacity .4s ease; }
.gallery-item:hover .exhibit-tag { transform: translateY(-2px); }
.exhibit-tag {
  position: absolute; top: 0.7rem; left: 0.7rem;
  background: var(--spark);
  color: #1A0900;
  font-family: var(--font-mono); font-weight: 700; font-size: 0.65rem; letter-spacing: 0.06em;
  padding: 0.25rem 0.5rem;
}

/* ===== Mangal portfolio ===== */
.mangals { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.mangal-grid {
  max-width: 1180px; margin: 2.5rem auto 0; padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem);
}
.mangal-card { background: var(--steel-dark); box-shadow: 0 20px 44px -16px rgba(0,0,0,.4); }
.mangal-photo { overflow: hidden; }
.mangal-photo img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  filter: grayscale(8%) contrast(1.1) saturate(1.08) brightness(0.98);
  transition: transform .8s cubic-bezier(.2,.8,.2,1), filter .8s ease;
}
.mangal-card:hover .mangal-photo img { transform: scale(1.06); filter: grayscale(0%) contrast(1.15) saturate(1.12) brightness(1.02); }
.mangal-title {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em;
  font-size: 1.25rem; color: var(--text); padding: 1rem 1.25rem 0.2rem;
}
.mangal-note {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim);
  padding: 0 1.25rem 1.25rem;
}

/* ===== Stat banner: photo background ===== */
.stat-banner {
  position: relative;
  height: clamp(220px, 32vw, 340px);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.stat-banner img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(20%) contrast(1.1) brightness(0.6);
  transform: scale(1.05);
  transition: transform 8s ease;
}
.stat-banner:hover img { transform: scale(1.15); }
.stat-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--spark-dark) 0%, rgba(196,71,10,.85) 38%, rgba(23,24,26,.15) 70%, transparent 100%);
  mix-blend-mode: multiply;
}
.stat-banner-overlay::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(23,24,26,.55), transparent 55%);
}
.stat-banner-content {
  position: relative; z-index: 1;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex; flex-direction: column; gap: 0.4rem;
}
.stat-banner-num {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(3rem, 8vw, 5rem); line-height: 1; color: #fff;
  text-shadow: 0 4px 24px rgba(0,0,0,.4);
}
.stat-banner-label {
  font-family: var(--font-mono); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: rgba(255,255,255,.9);
}

/* ===== Reviews ===== */
.reviews { padding: clamp(4rem, 8vw, 6.5rem) 0; background: var(--steel-dark); }
.reviews-list { border-top: 2px solid var(--steel-light); }
.review-row { display: grid; grid-template-columns: 90px 1fr; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px solid var(--steel-light); }
.review-serial { font-family: var(--font-mono); font-size: 0.75rem; color: var(--spark); padding-top: 0.2rem; }
.review-quote { font-size: 1.02rem; max-width: 56ch; margin-bottom: 0.7rem; color: var(--text); }
.review-quote::before { content: "«"; } .review-quote::after { content: "»"; }
.review-attribution { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }
.review-name { font-weight: 700; color: var(--text); margin-right: 0.6em; }
.review-screenshot-wrap { margin-top: 0.9rem; max-width: 260px; border: 1px solid var(--steel-light); padding: 0.4rem; background: var(--steel); }
.review-screenshot-wrap img { width: 100%; }

/* ===== Booking form ===== */
.booking { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.booking-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2.5rem, 6vw, 5rem); }
.booking-copy p { color: var(--ink-soft); margin: 1rem 0 1.6rem; max-width: 42ch; }
.booking-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft); }
.booking-list li::before { content: "— "; color: var(--spark-dark); font-weight: 700; }
#docNoLabel { color: var(--ink); }

.booking-form {
  position: relative;
  display: flex; flex-direction: column; gap: 1.3rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--steel-dark);
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
}
.booking-form::before, .booking-form::after {
  content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--steel-edge), var(--steel) 60%, #000 100%);
  top: 14px;
}
.booking-form::before { left: 14px; }
.booking-form::after { right: 14px; }
.booking-form label { display: flex; flex-direction: column; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.booking-form input[type="text"], .booking-form input[type="tel"], .booking-form textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--text);
  border: none; border-bottom: 1.5px solid var(--steel-light);
  background: transparent; padding: 0.5rem 0.1rem;
  font-weight: 400; text-transform: none; letter-spacing: normal;
}
.booking-form textarea { resize: vertical; min-height: 5em; }
.booking-form input:focus, .booking-form textarea:focus { outline: none; border-color: var(--spark); }
.file-field { position: relative; border: 1px dashed var(--steel-light); padding: 0.9rem; }
.file-field input[type="file"] { font-family: var(--font-body); font-size: 0.85rem; color: var(--text-dim); margin-top: 0.4rem; text-transform: none; letter-spacing: normal; }
.file-field-hint { display: none; }
.form-status { font-family: var(--font-mono); font-size: 0.82rem; min-height: 1.2em; color: var(--spark-hot); }

/* ===== Footer ===== */
.footer { padding: 3.5rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--steel-light); }
.footer-logo { font-family: var(--font-display); font-weight: 700; font-size: 1.6rem; letter-spacing: 0.03em; color: var(--text); }
.footer-legal { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); margin-top: 0.4rem; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--spark); margin-bottom: 0.8rem; }
.footer-col a, .footer-col p { display: block; margin-bottom: 0.5rem; color: var(--text-dim); }
.footer-bottom { padding-top: 1.2rem; font-family: var(--font-mono); font-size: 0.7rem; color: var(--steel-edge); }

/* ===== Cookie banner ===== */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 300;
  display: none;
  align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  background: var(--steel-dark);
  border-top: 2px solid var(--spark);
}
.cookie-banner.show { display: flex; }
.cookie-banner p { font-size: 0.85rem; max-width: 60ch; color: var(--text-dim); }

/* ===== Mobile ===== */
@media (max-width: 860px) {
  .nav { display: none; }
  .btn-nav { display: none; }
  .burger { display: flex; }
  .mobile-nav { display: flex; flex-direction: column; position: fixed; inset: 64px 0 0 0; background: var(--steel-dark); z-index: 99; padding: 2rem clamp(1.25rem, 4vw, 2.5rem); gap: 1.5rem; transform: translateX(100%); transition: transform .3s ease; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text); }
  .mobile-nav.open { transform: translateX(0); }
  .about-grid, .booking-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .tol-row { grid-template-columns: 40px 1fr; row-gap: 0.3rem; }
  .tol-value, .tol-tolerance { grid-column: 2; }
  .hazard-badge { top: 168px; right: 1.25rem; transform: rotate(2deg) scale(.8); transform-origin: top right; }
  .hero { min-height: auto; padding-top: 6.5rem; padding-bottom: 7rem; }
  .mangal-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}