:root {
  --bg-primary: #0F1114;
  --bg-secondary: #1A1D23;
  --bg-tertiary: #24282F;
  --accent: #E8600A;
  --accent-hover: #FF7A22;
  --accent-glow: rgba(232, 96, 10, 0.15);
  --text-primary: #F0EDE8;
  --text-secondary: #8A8D93;
  --text-dim: #555860;
  --border: #2A2E35;
  --danger: #C0392B;
  --success: #27AE60;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 0;
}

/* --- NAV --- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 60px);
  z-index: 1000;
  transition: box-shadow 0.3s;
}

.nav.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-brand {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.nav-brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 500;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
}

.lang-toggle {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  padding: 4px 10px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: color 0.2s, border-color 0.2s;
}

.lang-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  transition: opacity 0.3s;
}

.mobile-overlay.active {
  display: flex;
  opacity: 1;
}

.mobile-overlay a {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 32px;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.mobile-overlay a:hover {
  color: var(--accent);
}

/* --- HERO --- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px clamp(20px, 5vw, 60px) 60px;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  opacity: 0.04;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-content h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(40px, 6vw, 68px);
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--text-primary);
  opacity: 0;
  transform: translateX(-30px);
  animation: slideInLeft 0.7s ease forwards;
}

.hero-bar {
  width: 60px;
  height: 4px;
  background: var(--accent);
  margin: 24px 0;
  opacity: 0;
  animation: fadeIn 0.5s ease 0.3s forwards;
}

.hero-content p {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft 0.6s ease 0.4s forwards;
}

.btn-primary {
  display: inline-block;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 16px 40px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft 0.6s ease 0.6s forwards;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 8px 30px var(--accent-glow);
}

@keyframes slideInLeft {
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* --- HAZARD STRIPE --- */

.hazard-stripe {
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--accent),
    var(--accent) 10px,
    transparent 10px,
    transparent 20px
  );
}

/* --- SECTIONS --- */

.section {
  padding: 100px clamp(20px, 5vw, 60px);
  position: relative;
  z-index: 1;
}

.section-dark { background: var(--bg-primary); }
.section-mid { background: var(--bg-secondary); }

.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.section-bar {
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin-bottom: 48px;
}

/* --- SERVICES GRID --- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-primary);
  border-left: 3px solid var(--accent);
  padding: 28px;
  transition: background 0.25s, border-width 0.25s, transform 0.25s;
  opacity: 0;
  transform: translateY(24px);
  transition: background 0.25s, border-width 0.25s, transform 0.4s ease, opacity 0.4s ease;
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  background: var(--bg-tertiary);
  border-left-width: 5px;
  transform: translateX(4px);
}

.service-card .icon {
  color: var(--accent);
  margin-bottom: 14px;
}

.service-card .icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
}

.service-card h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- PHOTO STRIP --- */

.photo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.photo-strip img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  filter: brightness(0.8) contrast(1.1);
  transition: filter 0.3s;
}

.photo-strip img:hover {
  filter: brightness(1) contrast(1);
}

/* --- ABOUT --- */

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.stats {
  display: flex;
  flex-direction: column;
  gap: 40px;
  border-left: 3px solid var(--accent);
  padding-left: 32px;
}

.stat-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 64px;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* --- CONTACT --- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 28px;
}

.contact-info-item .icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.contact-info-item .value {
  font-size: 16px;
  color: var(--text-primary);
}

.contact-info-item a {
  color: var(--accent);
  text-decoration: none;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 18px;
}

.contact-info-item a:hover {
  color: var(--accent-hover);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A8D93' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.hp-field {
  position: absolute;
  left: -9999px;
  tabindex: -1;
}

.form-submit {
  display: inline-block;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 16px 40px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  align-self: flex-start;
}

.form-submit:hover {
  background: var(--accent-hover);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 2px;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(39, 174, 96, 0.1);
  border-left: 3px solid var(--success);
  color: var(--success);
}

.form-message.error {
  display: block;
  background: rgba(192, 57, 43, 0.1);
  border-left: 3px solid var(--danger);
  color: var(--danger);
}

/* --- FOOTER --- */

.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 30px clamp(20px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.footer-brand {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
}

/* --- RESPONSIVE --- */

@media (max-width: 900px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 30px;
    border-left: none;
    padding-left: 0;
    border-top: 3px solid var(--accent);
    padding-top: 30px;
  }

  .stat-number {
    font-size: 48px;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .photo-strip {
    grid-template-columns: 1fr 1fr;
  }

  .photo-strip img {
    height: 160px;
  }

  .hero-content h1 {
    font-size: clamp(32px, 8vw, 48px);
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}