/* ==========================================================================
   METI TOITURE — Design System & Styles
   ========================================================================== */

/* ---------- Google Fonts (loaded via HTML <link>) ---------- */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --bg-primary: #0b0b12;
  --bg-secondary: #10101a;
  --bg-card: #161622;
  --bg-elevated: #1c1c2e;
  --bg-input: #1a1a28;
  --primary: #ce1117;
  --primary-hover: #e31820;
  --primary-dark: #a80e13;
  --primary-glow: rgba(206, 17, 23, 0.15);
  --text-primary: #eeeef0;
  --text-secondary: #9898a8;
  --text-muted: #5c5c6c;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --glass-bg: rgba(16, 16, 26, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --success: #27ae60;
  --error: #e74c3c;
  --warning: #f39c12;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; }

p { color: var(--text-secondary); }

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--space-3xl) 0;
}

.text-center { text-align: center; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  z-index: 1001;
}

.nav-logo img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  font-size: 0.85rem !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

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

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(192, 57, 43, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-glow);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 11, 18, 0.5) 0%,
    rgba(11, 11, 18, 0.65) 50%,
    rgba(11, 11, 18, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 2rem;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  margin-top: 0.5rem;
}

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-hover));
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all 0.4s ease;
}

.service-card:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(192, 57, 43, 0.12);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: background 0.3s ease;
}

.service-card:hover .service-icon {
  background: rgba(192, 57, 43, 0.25);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all 0.4s ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.feature-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9rem;
}

/* ---------- Preview Grid (Home Gallery) ---------- */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.preview-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.preview-item:hover img {
  transform: scale(1.1);
}

.preview-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.7));
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.preview-item:hover .preview-overlay {
  opacity: 1;
}

.preview-overlay span {
  color: white;
  font-weight: 500;
  font-size: 0.9rem;
}

.preview-more {
  text-align: center;
  margin-top: var(--space-lg);
}

/* ---------- CTA Band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  border-radius: var(--radius-xl);
}

.cta-band h2 {
  margin-bottom: 1rem;
  color: white;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
}

.cta-phone svg {
  width: 20px;
  height: 20px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-logo {
  width: 60px;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.footer-col p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--primary);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-legal {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--primary);
}

/* ---------- Page Hero (internal pages) ---------- */
.page-hero {
  padding-top: 150px;
  padding-bottom: 80px;
  background: var(--bg-secondary);
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ---------- Gallery Filters ---------- */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: 10px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ---------- Gallery Grid ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item.hidden {
  opacity: 0;
  transform: scale(0.8);
  position: absolute;
  pointer-events: none;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.6));
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: white;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  transition: opacity 0.3s ease;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
  backdrop-filter: blur(8px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Keyframes ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    padding: 100px 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    border-left: 1px solid var(--border);
    z-index: 999;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .hero-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

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

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

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

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

  .cta-band {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

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

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

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

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .gallery-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }
}