/* Trenchez Service SIA — Premium landing */

:root {
  --bg: #0a0b0d;
  --bg-elevated: #12141a;
  --text: #e8e9ec;
  --text-muted: #9ca0ab;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.15);
  --accent-glow: rgba(201, 162, 39, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --header-h: 80px;
  --container: min(1200px, 92vw);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  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)'/%3E%3C/svg%3E");
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 11, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

@media (max-width: 768px) {
  .nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }

  .nav.is-open {
    display: flex;
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    font-size: 1.2rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
  border: 1px solid transparent;
}

.btn-outline {
  color: var(--text);
  border-color: var(--border);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #d4af2e;
  border-color: #d4af2e;
  box-shadow: 0 0 30px var(--accent-glow);
}

.btn-ghost {
  color: var(--text-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--accent);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text);
}

.burger span {
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--header-h) 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-soft), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(201, 162, 39, 0.06), transparent 45%),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(201, 162, 39, 0.05), transparent 40%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent 70%);
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: blob-float 20s ease-in-out infinite;
}

.hero-blob-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-glow);
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.hero-blob-2 {
  width: 300px;
  height: 300px;
  background: rgba(201, 162, 39, 0.1);
  bottom: 20%;
  left: 5%;
  animation-delay: -8s;
}

@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 0 0 20px 0;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 24px 0;
  letter-spacing: -0.02em;
}

.hero-title .line {
  display: block;
}

.hero-title .accent {
  color: var(--accent);
  font-style: italic;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 0 36px 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.hero-card {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  transition: transform 0.4s, box-shadow 0.4s;
}

.hero-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 70px var(--accent-glow);
}

.hero-card-inner {
  text-align: center;
}

.hero-card-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.hero-card-inner span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: 1px;
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.5; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Entry animation placeholders — controlled by JS */
.animate-in {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-in.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Sections common */
.section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  margin: 0 0 32px 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-title-center {
  text-align: center;
  margin-bottom: 48px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/2;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}

.about-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,11,13,0.6) 0%, transparent 50%);
  pointer-events: none;
}

.about-text {
  color: var(--text-muted);
  margin: 0 0 24px 0;
}

.about-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  color: var(--text);
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* Why */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.why-card:hover {
  border-color: rgba(201, 162, 39, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.why-card-icon {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.8;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.why-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 12px 0;
}

.why-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  border-color: rgba(201, 162, 39, 0.25);
  transform: translateY(-6px);
  box-shadow: 0 24px 56px rgba(0,0,0,0.3);
}

.service-card-visual {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.service-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-visual img {
  transform: scale(1.06);
}

.service-card-content {
  padding: 28px 24px;
}

.service-card-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 10px 0;
}

.service-card-content p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* CTA */
.cta {
  padding: 100px 0 120px;
}

.cta-box {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 48px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 12px 0;
}

.cta-text {
  color: var(--text-muted);
  margin: 0 0 28px 0;
}

/* Footer */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.footer-brand .logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.footer-brand .logo-sub {
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.footer-details {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-details p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-details a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-details a:hover {
  color: var(--accent);
}

.footer-copy {
  width: 100%;
  margin: 24px 0 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-media {
    order: -1;
  }

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

@media (max-width: 768px) {
  .btn-outline {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-details {
    justify-content: center;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .animate-in {
    transition-duration: 0.2s;
  }

  .hero-blob {
    animation: none;
  }

  .scroll-line {
    animation: none;
  }

  .service-card-visual img {
    transition: none;
  }
}