/* ═══════════════════════════════════════════════════════════
   DEX EQUIPMENT — Design System
   Industrial Heavy Machinery Brand
   ═══════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --color-primary: #F5B800;
  --color-primary-dark: #D4A000;
  --color-primary-light: #FFD54F;
  --color-primary-glow: rgba(245, 184, 0, 0.3);
  --color-primary-subtle: rgba(245, 184, 0, 0.08);

  --color-bg-dark: #0D0D0D;
  --color-bg: #121212;
  --color-bg-elevated: #1A1A1A;
  --color-bg-card: #1E1E1E;
  --color-bg-card-hover: #252525;
  --color-surface: #2A2A2A;

  --color-text: #F0F0F0;
  --color-text-secondary: #A0A0A0;
  --color-text-muted: #666666;
  --color-text-dark: #1A1A1A;

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(245, 184, 0, 0.3);

  --color-danger: #E53E3E;
  --color-success: #38A169;

  /* Typography */
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(245, 184, 0, 0.15);
  --shadow-glow-strong: 0 0 50px rgba(245, 184, 0, 0.25);

  /* Layout */
  --container-max: 1280px;
  --container-wide: 1440px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* ── Utility Classes ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.section-title span {
  color: var(--color-primary);
}

.section-description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Animated elements ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ══════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border), var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
}

.navbar__logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.navbar__logo-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 2px;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar__link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-primary);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__cta {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-dark);
  background: var(--color-primary);
  padding: 10px 24px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.navbar__cta:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

/* Mobile hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 4px;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.navbar__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 13, 13, 0.98);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.navbar__mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.navbar__mobile-menu .navbar__link {
  font-size: 1.3rem;
  letter-spacing: 3px;
}

/* ══════════════════════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) contrast(1.1);
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 13, 13, 0.9) 0%,
    rgba(13, 13, 13, 0.5) 50%,
    rgba(13, 13, 13, 0.7) 100%
  );
}

/* Diagonal accent line */
.hero__accent {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: var(--color-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  padding-top: var(--navbar-height);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary-subtle);
  border: 1px solid rgba(245, 184, 0, 0.2);
  padding: 6px 16px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
  animation: fadeInDown 0.8s ease forwards;
}

.hero__badge .dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  max-width: 800px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero__title .highlight {
  color: var(--color-primary);
  position: relative;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 550px;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero__actions {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

/* Stats strip */
.hero__stats {
  position: relative;
  z-index: 3;
  max-width: var(--container-max);
  margin: -60px auto 0;
  padding: 0 var(--space-xl);
}

.hero__stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.hero__stat {
  padding: var(--space-xl) var(--space-2xl);
  text-align: center;
  position: relative;
  transition: background var(--transition-base);
}

.hero__stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--color-border);
}

.hero__stat:hover {
  background: var(--color-primary-subtle);
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero__stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 14px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.btn--primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn--outline {
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-text);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.8rem;
}

.btn__icon {
  font-size: 1.1em;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

/* ══════════════════════════════════════════════════════════
   ABOUT SECTION
   ══════════════════════════════════════════════════════════ */
.about {
  background: var(--color-bg);
  position: relative;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about__visual {
  position: relative;
}

.about__image-wrapper {
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.about__image-wrapper img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about__image-wrapper:hover img {
  transform: scale(1.05);
}

.about__image-accent {
  position: absolute;
  bottom: -15px;
  right: -15px;
  width: 120px;
  height: 120px;
  border: 3px solid var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  z-index: -1;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.about__feature {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.about__feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-subtle);
  border: 1px solid rgba(245, 184, 0, 0.15);
  color: var(--color-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.about__feature-text h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.about__feature-text p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* ══════════════════════════════════════════════════════════
   MODELS / EQUIPMENT SECTION
   ══════════════════════════════════════════════════════════ */
.equipment {
  background: var(--color-bg-dark);
  position: relative;
}

.equipment__top-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: var(--color-bg);
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 100%);
}

.equipment__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.equipment__filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.equipment__filter {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 20px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  background: transparent;
  transition: all var(--transition-fast);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.equipment__filter:hover,
.equipment__filter.active {
  color: var(--color-text-dark);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.equipment__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

/* ── Equipment Card ── */
.equip-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.equip-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.equip-card__image {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

.equip-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.equip-card:hover .equip-card__image img {
  transform: scale(1.08);
}

.equip-card__category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-dark);
  background: var(--color-primary);
  padding: 4px 12px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
}

.equip-card__badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border: 1px solid rgba(245, 184, 0, 0.3);
}

.equip-card__body {
  padding: var(--space-lg);
}

.equip-card__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  transition: color var(--transition-fast);
}

.equip-card:hover .equip-card__name {
  color: var(--color-primary);
}

.equip-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.equip-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.equip-card__spec {
  display: flex;
  flex-direction: column;
}

.equip-card__spec-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.equip-card__spec-value {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
}

.equip-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.2);
}

.equip-card__link {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-fast);
}

.equip-card:hover .equip-card__link {
  gap: var(--space-sm);
}

/* ══════════════════════════════════════════════════════════
   MODEL DETAIL PAGE
   ══════════════════════════════════════════════════════════ */
.model-page {
  padding-top: calc(var(--navbar-height) + var(--space-2xl));
  min-height: 100vh;
}

.model-page__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.model-page__breadcrumb a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.model-page__breadcrumb a:hover {
  color: var(--color-primary);
}

.model-page__breadcrumb span {
  color: var(--color-primary);
  font-weight: 600;
}

.model-page__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

/* Gallery */
.model-gallery {
  position: sticky;
  top: calc(var(--navbar-height) + var(--space-xl));
}

.model-gallery__main {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  cursor: zoom-in;
}

.model-gallery__main img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.model-gallery__main:hover img {
  transform: scale(1.03);
}

.model-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-sm);
}

.model-gallery__thumb {
  height: 70px;
  overflow: hidden;
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  opacity: 0.6;
  transition: opacity var(--transition-fast), border-color var(--transition-fast);
}

.model-gallery__thumb.active,
.model-gallery__thumb:hover {
  border-color: var(--color-primary);
  opacity: 1;
}

.model-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Model info */
.model-info {
  display: flex;
  flex-direction: column;
}

.model-info__category {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.model-info__name {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.model-info__description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.model-info__highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.model-info__highlight {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: border-color var(--transition-fast);
}

.model-info__highlight:hover {
  border-color: var(--color-border-hover);
}

.model-info__highlight-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.model-info__highlight-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.model-info__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

/* Specs table */
.specs-table {
  margin-top: var(--space-2xl);
}

.specs-table__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.specs-table__title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--color-primary);
}

.specs-table__grid {
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.specs-table__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.specs-table__row:last-child {
  border-bottom: none;
}

.specs-table__row:hover {
  background: var(--color-primary-subtle);
}

.specs-table__key {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  border-right: 1px solid var(--color-border);
  font-weight: 500;
}

.specs-table__value {
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ══════════════════════════════════════════════════════════
   CONTACT SECTION
   ══════════════════════════════════════════════════════════ */
.contact {
  background: var(--color-bg);
  position: relative;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.contact__item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.contact__item-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-subtle);
  border: 1px solid rgba(245, 184, 0, 0.15);
  color: var(--color-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.contact__item h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

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

.contact__form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-2xl);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.contact__form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer__col-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

/* ══════════════════════════════════════════════════════════
   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 var(--transition-base);
}

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

.lightbox__close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  font-size: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
  z-index: 2001;
}

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

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-card) 25%,
    var(--color-surface) 50%,
    var(--color-bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ══════════════════════════════════════════════════════════
   PAGE TRANSITIONS
   ══════════════════════════════════════════════════════════ */
.page-transition {
  animation: pageIn 0.4s ease forwards;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ══════════════════════════════════════════════════════════
   SCROLL TOP BUTTON
   ══════════════════════════════════════════════════════════ */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-text-dark);
  font-size: 1.2rem;
  z-index: 999;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-glow);
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-strong);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .model-page__grid {
    grid-template-columns: 1fr;
  }

  .model-gallery {
    position: static;
  }

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

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

  .hero__stat:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .navbar__links,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__mobile-menu {
    display: flex;
  }

  .hero__title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero__stats-inner {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .model-info__highlights {
    grid-template-columns: 1fr;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

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

  .container {
    padding: 0 var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero__stats-inner {
    grid-template-columns: 1fr;
  }

  .hero__stat:not(:last-child)::after {
    display: none;
  }

  .hero__stat {
    border-bottom: 1px solid var(--color-border);
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
    width: 100%;
  }

  .equipment__filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
  }

  .equipment__filter {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .model-info__actions {
    flex-direction: column;
  }
}