/* ==========================================================================
   Токены
   ========================================================================== */
:root {
  --ink: #131211;
  --ink-2: #1b1a18;
  --plate: #221f1c;
  --plate-line: rgba(236, 231, 221, 0.1);
  --plate-line-strong: rgba(236, 231, 221, 0.22);
  --paper: #ece7dd;
  --paper-dim: #9c9689;
  --paper-faint: #6b665c;
  --signal: #e2610c;
  --signal-dim: #b34e0a;
  --blueprint: #6f9bc2;

  --font-display: "Oswald", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --font-body: "Inter", sans-serif;

  --container: 1180px;
  --edge: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--edge);
  padding-right: var(--edge);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-weight: 600;
  margin: 0;
  color: var(--paper);
}

h2 { font-size: clamp(28px, 4vw, 42px); }
h3 { font-size: clamp(18px, 2.2vw, 22px); }

p { color: var(--paper-dim); margin: 0; }

.section { padding: clamp(56px, 9vw, 108px) 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 0.5px solid var(--plate-line);
  padding-bottom: 20px;
}
.section-head .eyebrow { margin-bottom: 8px; display: block; }

/* ==========================================================================
   Кнопки
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: scale(0.98); }

.btn-signal {
  background: var(--signal);
  color: #2a1300;
}
.btn-signal:hover { background: #f06e1a; }

.btn-ghost {
  background: transparent;
  border-color: var(--plate-line-strong);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(19, 18, 17, 0.88);
  backdrop-filter: blur(6px);
  border-bottom: 0.5px solid var(--plate-line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--signal);
  color: var(--signal);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.brand-role {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--paper-faint);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--paper-dim);
}
.nav-links a:hover { color: var(--signal); }

.nav-phone {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--plate-line-strong);
  border-radius: 2px;
  width: 40px;
  height: 40px;
  color: var(--paper);
  align-items: center;
  justify-content: center;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  border-bottom: 0.5px solid var(--plate-line);
  background: var(--ink);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 16px var(--edge);
  border-top: 0.5px solid var(--plate-line);
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #0e0d0c;
}
.hero-media {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 20% 0%, #23201c 0%, #131211 60%);
  background-size: cover;
  background-position: center;
}
.hero-media.has-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, #0b0a09 0%, rgba(11,10,9,0.35) 46%, rgba(11,10,9,0.55) 100%);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(-45deg, rgba(226, 97, 12, 0.06) 0 2px, transparent 2px 34px);
  opacity: 0.6;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(48px, 8vw, 96px);
  padding-top: 140px;
}
.hero h1 {
  font-size: clamp(38px, 7vw, 78px);
  line-height: 1.02;
  margin: 14px 0 20px;
  max-width: 16ch;
}
.hero h1 span { color: var(--signal); }
.hero-sub {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 18px);
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-placeholder-note {
  position: absolute;
  bottom: 20px;
  right: var(--edge);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--paper-faint);
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Spec strip
   ========================================================================== */
.spec-strip {
  border-top: 0.5px solid var(--plate-line);
  border-bottom: 0.5px solid var(--plate-line);
  background: var(--ink-2);
}
.spec-strip .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.spec-item {
  padding: 22px 20px;
  border-left: 0.5px solid var(--plate-line);
}
.spec-item:first-child { border-left: none; }
.spec-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 8px;
}
.spec-val {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.6vw, 20px);
  text-transform: uppercase;
  color: var(--paper);
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.about-text p { font-size: 16px; margin-bottom: 16px; }
.about-text p:last-child { margin-bottom: 0; }
.about-media {
  aspect-ratio: 4 / 5;
  border-radius: 2px;
  overflow: hidden;
}

/* ==========================================================================
   Placeholder (когда нет реального фото)
   ========================================================================== */
.ph {
  width: 100%;
  height: 100%;
  min-height: 140px;
  background:
    repeating-linear-gradient(135deg, #2a2723 0 10px, #262320 10px 20px);
  border: 0.5px solid var(--plate-line-strong);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  position: relative;
}
.ph::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--signal-dim);
  transform: rotate(45deg);
}
.ph-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--paper-faint);
  letter-spacing: 0.03em;
  line-height: 1.4;
}

/* ==========================================================================
   Cases
   ========================================================================== */
.case-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  padding: clamp(36px, 6vw, 64px) 0;
  border-top: 0.5px solid var(--plate-line);
}
.case-block:last-child { border-bottom: 0.5px solid var(--plate-line); }
.case-block.reverse { grid-template-columns: 1.1fr 0.9fr; }
.case-block.reverse .case-photos { order: 2; }
.case-block.reverse .case-info { order: 1; }

.case-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}
.case-info h3 { margin-bottom: 6px; }
.case-location {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-faint);
  margin-bottom: 16px;
  display: block;
}
.case-info p { margin-bottom: 0; }

.case-photos {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: repeat(2, 1fr);
  gap: 8px;
  aspect-ratio: 4 / 3;
}
.case-photos > div:first-child { grid-row: 1 / 3; }
.case-photos img, .case-photos .ph { height: 100%; }

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.gallery-item {
  aspect-ratio: 1 / 1;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.gallery-item:hover img { transform: scale(1.04); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 9, 8, 0.94);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--edge);
}
.lightbox.open { display: flex; }
.lightbox img, .lightbox .ph { max-width: 100%; max-height: 84vh; margin: 0 auto; }
.lightbox-close {
  position: absolute;
  top: 20px;
  right: var(--edge);
  background: none;
  border: 1px solid var(--plate-line-strong);
  color: var(--paper);
  width: 40px;
  height: 40px;
  border-radius: 2px;
  cursor: pointer;
}

/* ==========================================================================
   Services / pricing factors
   ========================================================================== */
.factors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--plate-line);
  border: 0.5px solid var(--plate-line);
}
.factor {
  background: var(--ink);
  padding: 28px 24px;
}
.factor-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  margin-bottom: 14px;
  display: block;
}
.factor h3 { margin-bottom: 10px; }
.factor p { font-size: 14px; }

.pricing-note {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 0.5px solid var(--plate-line);
}
.pricing-note p { max-width: 46ch; font-size: 14px; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 56px);
}
.contact-card {
  background: var(--plate);
  border: 0.5px solid var(--plate-line);
  border-radius: 2px;
  padding: clamp(24px, 3vw, 36px);
}
.contact-card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: block;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-dim);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--ink);
  border: 0.5px solid var(--plate-line-strong);
  border-radius: 2px;
  color: var(--paper);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--signal);
}
.field textarea { resize: vertical; min-height: 90px; }

.form-status {
  font-family: var(--font-mono);
  font-size: 12px;
  margin-top: 14px;
  min-height: 18px;
}
.form-status.ok { color: #8fbf6b; }
.form-status.err { color: #d86a5d; }

.contact-direct { display: flex; flex-direction: column; justify-content: space-between; height: 100%; }
.contact-line {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-top: 0.5px solid var(--plate-line);
  font-size: 15px;
}
.contact-line:first-of-type { border-top: none; }
.contact-line .k { font-family: var(--font-mono); font-size: 12px; color: var(--paper-faint); min-width: 90px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 0.5px solid var(--plate-line);
  padding: 28px 0;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-faint);
}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 860px) {
  .nav-links, .nav-phone { display: none; }
  .nav-toggle { display: flex; }

  .spec-strip .wrap { grid-template-columns: repeat(2, 1fr); }
  .spec-item:nth-child(3) { border-left: none; }

  .about-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; aspect-ratio: 16 / 10; }

  .case-block, .case-block.reverse {
    grid-template-columns: 1fr;
  }
  .case-block.reverse .case-photos,
  .case-block.reverse .case-info,
  .case-photos, .case-info { order: initial; }
  .case-photos { aspect-ratio: 16 / 11; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .factors { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .hero-content { padding-top: 110px; }
}