/* ==========================================================================
   MINGDENG.FR — MONOCHROME + SINGLE ACCENT (#00D2FF) DESIGN SYSTEM
   (DARK & LIGHT THEMES • UNBOXED HERO 3D STAGE)
   ========================================================================== */

:root,
html[data-theme="dark"] {
  --bg-deep: #07090E;
  --bg-surface: #0D111A;
  --bg-elevated: rgba(17, 22, 33, 0.86);
  --bg-card: rgba(14, 19, 28, 0.82);
  --bg-card-hover: rgba(20, 27, 40, 0.95);
  --bg-input: rgba(9, 12, 19, 0.95);
  --bg-navbar: rgba(7, 9, 14, 0.86);
  --bg-navbar-scrolled: rgba(7, 9, 14, 0.96);
  --bg-topbar: #04060A;
  --bg-footer: #04060A;
  --bg-modal: #0C1018;
  --bg-media: #080B12;

  --border-subtle: rgba(148, 163, 184, 0.16);
  --border-cyan: rgba(0, 210, 255, 0.44);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --hero-title-grad: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);

  /* Single Colored Accent across UI & Cleanroom White Animations */
  --cyan: #0284C7;
  --cyan-dark: #0369A1;
  --cyan-soft: rgba(2, 132, 199, 0.14);
  --anim-primary: #0284C7;
  --anim-secondary: #2563EB;
  --anim-bg-top: #F8FAFC;
  --anim-bg-mid: #E2E8F0;
  --anim-bg-bot: #CBD5E1;
  --anim-panel: #FFFFFF;
  --anim-panel-alt: #F1F5F9;
  --anim-grid: rgba(2, 132, 199, 0.22);
  --anim-stroke: #0F172A;
  --anim-metal-1: #FFFFFF;
  --anim-metal-2: #334155;
  --anim-metal-3: #64748B;
  --anim-metal-4: #1E293B;

  --grid-line: rgba(148, 163, 184, 0.08);
  --shadow-glow: 0 20px 50px -15px rgba(0, 210, 255, 0.18);
  --shadow-card: 0 12px 32px -10px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   MONOCHROME CLEANROOM LIGHT THEME + SINGLE ACCENT
   ========================================================================== */
html[data-theme="light"] {
  --bg-deep: #F3F5F8;
  --bg-surface: #FFFFFF;
  --bg-elevated: rgba(255, 255, 255, 0.9);
  --bg-card: rgba(255, 255, 255, 0.94);
  --bg-card-hover: #FFFFFF;
  --bg-input: #FFFFFF;
  --bg-navbar: rgba(243, 245, 248, 0.88);
  --bg-navbar-scrolled: rgba(255, 255, 255, 0.98);
  --bg-topbar: #0B0F17;
  --bg-footer: #0B0F17;
  --bg-modal: #FFFFFF;
  --bg-media: #0B0F17;

  --border-subtle: rgba(15, 23, 42, 0.12);
  --border-cyan: rgba(2, 132, 199, 0.45);

  --text-primary: #0B0F17;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --hero-title-grad: linear-gradient(180deg, #0B0F17 0%, #334155 100%);

  --cyan: #0284C7;
  --cyan-dark: #0369A1;
  --cyan-soft: rgba(2, 132, 199, 0.1);

  --grid-line: rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 20px 45px -15px rgba(2, 132, 199, 0.18);
  --shadow-card: 0 10px 30px -8px rgba(15, 23, 42, 0.08);
}

:root {
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-deep);
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Scroll Reveal Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Ambient Aerospace Monochrome Grid & Single Cyan Glow */
.ambient-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 25%, black 30%, transparent 85%);
}

.ambient-glow {
  position: fixed;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  filter: blur(150px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.16;
}

.ambient-glow--cyan {
  top: -120px;
  right: -100px;
  background: radial-gradient(circle, #00D2FF, transparent 70%);
}

.ambient-glow--mono {
  bottom: 10%;
  left: -180px;
  background: radial-gradient(circle, #64748B, transparent 70%);
  opacity: 0.1;
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography & Single Accent Utility */
.accent-cyan {
  color: var(--cyan);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid var(--border-cyan);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 740px;
}

/* ==========================================================================
   TOPBAR & NAVBAR (WITH LANGUAGE + THEME CONTROLS)
   ========================================================================== */
.topbar {
  position: relative;
  z-index: 30;
  background: var(--bg-topbar);
  color: #F8FAFC;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  font-size: 0.8rem;
  padding: 8px 0;
}

.topbar .mono-tag {
  color: #00D2FF;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar__left, .topbar__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00D2FF;
  box-shadow: 0 0 10px #00D2FF;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.65; }
}

.topbar__divider {
  color: rgba(148, 163, 184, 0.35);
}

.topbar__meta {
  color: #94A3B8;
}

.topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #E2E8F0;
}

.topbar__link:hover {
  color: #00D2FF;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-navbar);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.navbar.scrolled {
  background: var(--bg-navbar-scrolled);
  box-shadow: var(--shadow-card);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 18px;
}

.navbar__logo {
  height: 44px;
  width: auto;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.navbar__link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.25s ease;
}

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

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

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Language Switcher Pill in Navbar */
.lang-switch {
  display: inline-flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--cyan);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 210, 255, 0.35);
}

html[data-theme="dark"] .lang-btn.active {
  color: #05080F;
}

/* Theme Toggle Button in Navbar */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

html[data-theme="dark"] .theme-icon--moon {
  display: none;
}

html[data-theme="light"] .theme-icon--sun {
  display: none;
}

.navbar__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.navbar__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
}

/* ==========================================================================
   BUTTONS (MONOCHROME + SINGLE ACCENT)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn--sm {
  padding: 9px 15px;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 14px 24px;
  font-size: 0.98rem;
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: var(--cyan);
  color: #05080F;
  font-weight: 700;
  box-shadow: 0 8px 25px -6px rgba(0, 210, 255, 0.45);
}

html[data-theme="light"] .btn--primary {
  color: #FFFFFF;
}

.btn--primary:hover {
  box-shadow: 0 12px 32px -4px rgba(0, 210, 255, 0.68);
  transform: translateY(-1px);
}

.btn--glass {
  background: var(--bg-elevated);
  border-color: var(--border-subtle);
  color: var(--text-primary);
  padding: 12px 20px;
}

.btn--glass:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-soft);
}

/* ==========================================================================
   HERO SECTION — HIGH IMPACT AEROSPACE WITH TARMAC BACKGROUND
   ========================================================================== */
.hero {
  position: relative;
  padding: 96px 0 110px;
  overflow: hidden;
  background-color: #061121;
}

.hero__bg-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('assets/images/photos/hero-bg.jpg');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  opacity: 0.38;
  filter: saturate(1.15) brightness(0.9);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 26% 48%, rgba(6, 17, 33, 0.94) 0%, rgba(6, 17, 33, 0.80) 50%, rgba(6, 17, 33, 0.94) 100%),
              linear-gradient(180deg, rgba(6, 17, 33, 0.75) 0%, transparent 45%, rgba(6, 17, 33, 0.92) 100%);
  pointer-events: none;
}

/* Light theme adaptive background photo overlay */
html[data-theme="light"] .hero {
  background-color: #f8fafc;
}

html[data-theme="light"] .hero__bg-photo {
  opacity: 0.22;
  filter: saturate(1.05) contrast(1.05);
}

html[data-theme="light"] .hero::after {
  background: radial-gradient(circle at 26% 48%, rgba(248, 250, 252, 0.96) 0%, rgba(248, 250, 252, 0.85) 50%, rgba(248, 250, 252, 0.96) 100%),
              linear-gradient(180deg, rgba(248, 250, 252, 0.85) 0%, transparent 45%, rgba(248, 250, 252, 0.92) 100%);
}

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

.hero__container {
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 840px;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--cyan-soft);
  border: 1px solid var(--border-cyan);
  border-radius: 999px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 20px;
}

.eyebrow-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.2vw, 3.65rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  background: var(--hero-title-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  max-width: 600px;
}

.hero__values {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.value-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 7px 14px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--shadow-card);
}

.stat-card__value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-card__label {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.3;
  display: block;
}

/* Open Unboxed 3D Stage — Directly on Hero Level (No Dark Blue Box) */
.hero__stage-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.stage-hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 4px;
  background: transparent;
  border: none;
  margin-bottom: 6px;
  gap: 12px;
}

.stage-view-toggle {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2px;
  gap: 3px;
}

.hud-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.hud-tab:hover {
  color: var(--text-primary);
}

.hud-tab.active {
  background: var(--cyan);
  color: #041019;
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.45);
}

/* HD Photo Panel for Hero Section */
.stage-photo-panel {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  z-index: 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #080d14;
}

.stage-photo-panel[hidden] {
  display: none !important;
}

.photo-viewport {
  position: relative;
  flex: 1;
  width: 100%;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #111a28 0%, #06090e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-viewport__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.35s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.photo-viewport:hover .photo-viewport__img {
  transform: scale(1.03);
}

.photo-viewport__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(4, 9, 15, 0.88) 35%, rgba(2, 6, 10, 0.98) 100%);
  padding: 32px 16px 12px;
  pointer-events: none;
}

.photo-viewport__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 6px;
}

.photo-viewport__caption {
  font-size: 0.82rem;
  color: #e2e8f0;
  line-height: 1.4;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.photo-angle-bar {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(8, 13, 20, 0.95);
  border-top: 1px solid var(--border-subtle);
  overflow-x: auto;
  align-items: center;
}

.photo-angle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.photo-angle-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.photo-angle-btn.active {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

.stage-hud-top__left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.hud-code {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.stage-hud-top__actions {
  display: flex;
  gap: 8px;
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.hud-btn:hover, .hud-btn.active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-soft);
}

.stage-canvas-container {
  position: relative;
  width: 100%;
  height: 430px;
  cursor: grab;
  background: radial-gradient(ellipse 68% 58% at 50% 52%, var(--cyan-soft) 0%, transparent 74%);
  border: none;
  box-shadow: none;
  transition: background 0.3s ease;
}

.stage-canvas-container:active {
  cursor: grabbing;
}

.hero-cad-reticle {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

#hero-canvas {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
}

.stage-hint {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 4px 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.stage-controls-floating {
  margin-top: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}

.stage-slider-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  background: transparent;
  border-bottom: 1px solid var(--border-subtle);
}

.stage-slider-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.stage-range {
  width: 100%;
  accent-color: var(--cyan);
  cursor: pointer;
}

.stage-modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: transparent;
}

.stage-mode-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 11px 14px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-subtle);
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease;
}

.stage-mode-btn:last-child {
  border-right: none;
}

.stage-mode-btn__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.stage-mode-btn__label {
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.stage-mode-btn.active {
  background: var(--cyan-soft);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.stage-mode-btn.active .stage-mode-btn__num,
.stage-mode-btn.active .stage-mode-btn__label {
  color: var(--cyan);
}

/* ==========================================================================
   ABOUT & CERTIFICATIONS SECTION
   ========================================================================== */
.about-banner {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

.about-banner__lead {
  font-size: 1.12rem;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.about-banner__text {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.about-pillars {
  display: grid;
  gap: 16px;
}

.pillar-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.pillar-item__icon {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid var(--border-cyan);
  border-radius: 8px;
  padding: 6px 10px;
}

.pillar-item h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.pillar-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cert-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.cert-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
}

.cert-card__badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 8px 12px;
  border-radius: 8px;
  min-width: 64px;
  text-align: center;
}

.cert-card__badge--cyan {
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid var(--border-cyan);
}

.cert-card__badge--mono {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.cert-card__body h4 {
  font-family: var(--font-display);
  font-size: 0.96rem;
  margin-bottom: 4px;
}

.cert-card__body p {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ==========================================================================
   GSE EQUIPMENT CATALOG (9 PRODUCTS)
   ========================================================================== */
.section-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.catalog-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 9px 16px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tab:hover, .filter-tab.active {
  background: var(--cyan);
  color: #FFFFFF;
  border-color: var(--cyan);
}

html[data-theme="dark"] .filter-tab:hover,
html[data-theme="dark"] .filter-tab.active {
  color: #05080F;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 9px 14px;
  min-width: 280px;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  width: 100%;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-cyan);
  box-shadow: var(--shadow-glow);
}

.product-card__media {
  position: relative;
  aspect-ratio: 600 / 420;
  background: linear-gradient(135deg, var(--anim-bg-top, #0A2246) 0%, var(--anim-bg-mid, #06152D) 52%, var(--anim-bg-bot, #030914) 100%);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: background 0.3s ease;
}

.product-card__media img,
.product-card__media svg.tech-cad-svg {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__media img,
.product-card:hover .product-card__media svg.tech-cad-svg {
  transform: scale(1.03);
}

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  z-index: 2;
}

.product-card__badge--cyan {
  background: var(--cyan-soft);
  color: var(--anim-primary, var(--cyan));
  border: 1px solid var(--border-cyan);
}

.product-card__badge--mono {
  background: rgba(15, 23, 42, 0.82);
  color: #E2E8F0;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px;
}

.product-card__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.product-card__title {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.product-card__specs {
  list-style: none;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
  margin-bottom: 18px;
  margin-top: auto;
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
}

.product-card__specs li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.product-card__specs span {
  color: var(--text-muted);
}

.product-card__specs strong {
  color: var(--text-primary);
  text-align: right;
}

.product-card__actions {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 10px;
}

.fleet-strip {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.fleet-strip__info p {
  color: var(--text-secondary);
  margin-top: 4px;
  font-size: 0.95rem;
}

/* ==========================================================================
   MATERIALS & FASTENERS GRID
   ========================================================================== */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.material-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.material-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-cyan);
  box-shadow: var(--shadow-glow);
}

.material-card__img {
  aspect-ratio: 600 / 420;
  overflow: hidden;
  background: linear-gradient(135deg, var(--anim-bg-top, #F8FAFC) 0%, var(--anim-bg-mid, #E2E8F0) 52%, var(--anim-bg-bot, #CBD5E1) 100%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease;
}

.material-card__img img,
.material-card__img svg.tech-cad-svg {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.material-card:hover .material-card__img img,
.material-card:hover .material-card__img svg.tech-cad-svg {
  transform: scale(1.03);
}

.material-card__content {
  padding: 22px;
}

.material-card__content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 6px 0 8px;
}

.material-card__content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  padding: 0;
}

.link-btn:hover {
  opacity: 0.8;
}

/* ==========================================================================
   MAINTENANCE & REPAIR SERVICES
   ========================================================================== */
.services-duo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.service-panel--cyan {
  border-top: 3px solid var(--cyan);
}

.service-panel--mono {
  border-top: 3px solid #64748B;
}

.service-panel__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.service-panel__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--cyan-soft);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-panel__title {
  font-family: var(--font-display);
  font-size: 1.65rem;
}

.service-panel__intro {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.service-panel__sub {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.service-feature-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.service-feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.92rem;
}

.check-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-panel__footer {
  margin-top: auto;
}

/* ==========================================================================
   CONTACT & QUOTE REQUEST SECTION
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-info__lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.contact-channels {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}

.channel-card {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.channel-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.channel-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--cyan-soft);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-card__label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.channel-card__value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.18rem;
  color: var(--text-primary);
}

.channel-card__note {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.guarantee-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
}

.guarantee-box h4 {
  font-family: var(--font-display);
  margin-bottom: 10px;
}

.guarantee-box ul {
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: grid;
  gap: 6px;
}

/* Contact Form Card */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-glow);
}

.contact-form-card__header {
  margin-bottom: 24px;
}

.contact-form-card__header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.req {
  color: var(--cyan);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.92rem;
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}

.equip-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.equip-pill {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.18s ease;
}

.equip-pill:hover {
  border-color: var(--cyan);
  color: var(--text-primary);
}

.equip-pill.selected {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--cyan);
  font-weight: 600;
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-group--checkbox input {
  margin-top: 4px;
  accent-color: var(--cyan);
}

.form-group--checkbox label {
  margin-bottom: 0;
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-feedback {
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.form-feedback.success {
  background: var(--cyan-soft);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
}

.form-feedback.error {
  background: rgba(148, 163, 184, 0.15);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--bg-footer);
  color: #F8FAFC;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 0.9fr;
  gap: 36px;
  margin-bottom: 44px;
}

.footer__brand p {
  color: #94A3B8;
  font-size: 0.9rem;
  margin: 14px 0 18px;
  max-width: 360px;
}

.footer__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: #00D2FF;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 14px;
  color: #F8FAFC;
}

.footer__col ul {
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  color: #94A3B8;
}

.footer__col a:hover {
  color: #00D2FF;
}

.footer__col p {
  font-size: 0.88rem;
  color: #94A3B8;
  margin-bottom: 8px;
}

.footer__bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  padding-top: 24px;
  text-align: center;
  font-size: 0.84rem;
  color: #94A3B8;
}

/* ==========================================================================
   3D PRODUCT INSPECTOR MODAL
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(4, 6, 10, 0.84);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  width: 100%;
  max-width: 920px;
  background: var(--bg-modal);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.65);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  font-size: 1rem;
}

.modal-close:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.modal-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.modal-3d-stage {
  position: relative;
  height: 420px;
  background: radial-gradient(circle at 50% 48%, #FFFFFF 0%, #E2E8F0 62%, #CBD5E1 100%);
  border-right: 1px solid var(--border-subtle);
  overflow: hidden;
}

.modal-stage-header {
  position: absolute;
  top: 10px;
  left: 12px;
  z-index: 15;
}

.modal-view-toggle {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
  backdrop-filter: blur(8px);
}

.modal-view-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-view-tab:hover {
  color: var(--text-primary);
}

.modal-view-tab.active {
  background: var(--cyan);
  color: #041019;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.35);
}

/* Modal HD Photo Stage */
.modal-photo-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  z-index: 10;
  background: radial-gradient(circle at 50% 50%, #151f2e 0%, #090e17 100%);
}

.modal-photo-stage[hidden] {
  display: none !important;
}

.modal-photo-viewport {
  position: relative;
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 40px 16px 12px;
}

.modal-photo-img {
  max-width: 94%;
  max-height: 90%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: opacity 0.3s ease, transform 0.4s ease;
}

.modal-photo-badge {
  position: absolute;
  bottom: 8px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.14);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 4px;
  padding: 3px 8px;
  backdrop-filter: blur(4px);
}

.modal-photo-switcher {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(8, 14, 23, 0.92);
  border-top: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.modal-thumb-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.modal-thumb-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.modal-thumb-btn.active {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--cyan);
}

#modal-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

.modal-3d-controls {
  position: absolute;
  bottom: 12px;
  left: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-3d-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #334155;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(2, 132, 199, 0.28);
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.modal-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.modal-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 18px;
}

.modal-specs {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 0.86rem;
}

.modal-spec-row {
  display: flex;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-spec-row span {
  color: var(--text-muted);
}

.modal-actions {
  margin-top: auto;
}

/* ==========================================================================
   WHATSAPP FLOATING WIDGET (MONOCHROME + SINGLE ACCENT)
   ========================================================================== */
.wa-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.wa-popup {
  width: 330px;
  background: var(--bg-modal);
  border: 1px solid var(--border-cyan);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.wa-popup__header {
  background: #0F141E;
  border-bottom: 1px solid var(--border-subtle);
  color: #FFFFFF;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.wa-popup__header strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin-bottom: 4px;
  color: #00D2FF;
}

.wa-popup__header p {
  font-size: 0.78rem;
  color: #CBD5E1;
}

.wa-popup__close {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
}

.wa-popup__body {
  padding: 16px;
}

.wa-popup__note {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.wa-agent-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--cyan);
  border-radius: 10px;
  padding: 12px;
}

.wa-agent-card:hover {
  border-color: var(--cyan);
}

.wa-agent-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--cyan);
  color: #05080F;
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wa-agent-card__info strong {
  display: block;
  font-size: 0.9rem;
}

.wa-agent-card__info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.wa-agent-card__online {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  margin-left: auto;
}

.wa-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.wa-trigger__label {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
}

.wa-trigger__icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--cyan);
  color: #05080F;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(0, 210, 255, 0.4);
  transition: transform 0.2s ease;
}

.wa-trigger:hover .wa-trigger__icon {
  transform: scale(1.07);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1080px) {
  .hero__grid,
  .about-banner,
  .contact-layout,
  .modal-body {
    grid-template-columns: 1fr;
  }

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

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

  .navbar__cta {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar__nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-navbar-scrolled);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 20px;
    gap: 14px;
  }

  .navbar__nav.open {
    display: flex;
  }

  .navbar__burger {
    display: flex;
  }

  .hero__stats,
  .services-duo,
  .equipment-grid,
  .materials-grid,
  .form-row,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .fleet-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .wa-trigger__label {
    display: none;
  }
}


/* ==========================================================================
   SECOND HERO — AIRCRAFT CAD BLUEPRINT SHOWCASE
   ========================================================================== */
.hero-blueprint {
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
  background: linear-gradient(180deg, #07192F 0%, #0A2546 50%, #071A33 100%);
  border-top: 1px solid rgba(56, 189, 248, 0.28);
  border-bottom: 1px solid rgba(56, 189, 248, 0.28);
  color: #F8FAFC;
}

html[data-theme="light"] .hero-blueprint {
  background: linear-gradient(180deg, #0B2545 0%, #0F315C 52%, #091E3A 100%);
  color: #F8FAFC;
}

.hero-blueprint__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  color: #38BDF8;
  opacity: 0.92;
}

.hero-blueprint__svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.25));
}

.hero-blueprint__scanline {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 160px;
  background: linear-gradient(90deg, transparent 0%, rgba(56, 189, 248, 0.12) 50%, rgba(125, 211, 252, 0.28) 98%, transparent 100%);
  animation: bpScanSweep 11s ease-in-out infinite;
  pointer-events: none;
}

@keyframes bpScanSweep {
  0% { left: -10%; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: 105%; opacity: 0; }
}

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

.hero-blueprint__header {
  max-width: 780px;
  margin-bottom: 36px;
}

.hero-blueprint .eyebrow-badge {
  background: rgba(14, 165, 233, 0.16);
  border-color: rgba(56, 189, 248, 0.45);
  color: #7DD3FC;
}

.hero-blueprint__title {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 3.4vw, 3.05rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 14px;
  text-shadow: 0 4px 24px rgba(5, 12, 26, 0.65);
}

.hero-blueprint__subtitle {
  font-size: 1.04rem;
  color: #CBD5E1;
  max-width: 680px;
  line-height: 1.6;
}

.bp-interactive-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: stretch;
}

.bp-map-viewport {
  position: relative;
  min-height: 450px;
  border-radius: 18px;
  border: 1px solid rgba(56, 189, 248, 0.34);
  background: radial-gradient(circle at 50% 50%, rgba(15, 49, 92, 0.22) 0%, rgba(7, 25, 47, 0.52) 100%);
  box-shadow: inset 0 0 40px rgba(2, 132, 199, 0.18);
  backdrop-filter: blur(2px);
  overflow: hidden;
}

.bp-hotspot {
  position: absolute;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(7, 25, 47, 0.88);
  border: 1.5px solid #38BDF8;
  border-radius: 999px;
  padding: 5px 12px 5px 6px;
  color: #F8FAFC;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.22s ease;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
  z-index: 3;
}

.bp-hotspot:hover,
.bp-hotspot.active {
  background: #0284C7;
  border-color: #BAE6FD;
  color: #FFFFFF;
  transform: translate(-50%, -50%) scale(1.06);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.75);
  z-index: 5;
}

.bp-hotspot__core {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #38BDF8;
  color: #07192F;
  font-weight: 700;
  font-size: 0.72rem;
}

.bp-hotspot.active .bp-hotspot__core {
  background: #FFFFFF;
  color: #0284C7;
}

.bp-hotspot__pulse {
  position: absolute;
  left: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid #38BDF8;
  animation: bpPulseRing 2.2s ease-out infinite;
  pointer-events: none;
}

@keyframes bpPulseRing {
  0% { transform: scale(0.95); opacity: 0.9; }
  100% { transform: scale(2.15); opacity: 0; }
}

.bp-hotspot__tag {
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.bp-map-hud-bar {
  position: absolute;
  bottom: 14px;
  left: 18px;
  right: 18px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #7DD3FC;
  opacity: 0.85;
  pointer-events: none;
}

.bp-inspector-card {
  background: rgba(9, 28, 52, 0.88);
  border: 1px solid rgba(56, 189, 248, 0.42);
  border-radius: 18px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 48px rgba(3, 10, 24, 0.55);
}

.bp-inspector-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.bp-inspector-card__top .mono-tag {
  color: #7DD3FC;
}

.bp-status-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(52, 211, 153, 0.45);
  color: #6EE7B7;
}

.bp-inspector-card__title {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
  line-height: 1.25;
}

.bp-inspector-card__desc {
  font-size: 0.92rem;
  color: #CBD5E1;
  line-height: 1.58;
  margin-bottom: 18px;
}

.bp-inspector-card__specs {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
  padding: 14px;
  border-radius: 12px;
  background: rgba(15, 42, 74, 0.65);
  border: 1px solid rgba(56, 189, 248, 0.22);
}

.bp-spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  gap: 12px;
}

.bp-spec-item span {
  color: #94A3B8;
}

.bp-spec-item strong {
  color: #F8FAFC;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: right;
}

.bp-inspector-card__actions {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.bp-inspector-card .btn--glass {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(125, 211, 252, 0.35);
  color: #F8FAFC;
}

.bp-inspector-card .btn--glass:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: #7DD3FC;
  color: #FFFFFF;
}

.bp-zone-tabs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.bp-zone-tab {
  padding: 7px 0;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, 0.28);
  background: rgba(7, 25, 47, 0.65);
  color: #94A3B8;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
}

.bp-zone-tab:hover,
.bp-zone-tab.active {
  background: #0284C7;
  border-color: #7DD3FC;
  color: #FFFFFF;
}

@media (max-width: 980px) {
  .bp-interactive-layout {
    grid-template-columns: 1fr;
  }
  .bp-map-viewport {
    min-height: 360px;
  }
  .bp-hotspot__tag {
    display: none;
  }
}

.bp-viewport-aircraft-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  filter: drop-shadow(0 0 12px rgba(56, 189, 248, 0.35));
}

.bp-svg-zone {
  opacity: 0;
  transition: opacity 0.28s ease;
}

.bp-svg-zone.active {
  opacity: 1;
}


/* Equipment & Material Cards: Real Authentic Photos Displayed by Default */
.product-card__img--cad,
.material-card__pic--cad {
  display: none !important;
}

.product-card__img--photo,
.material-card__pic--photo {
  display: block !important;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-card__img {
  position: relative;
  aspect-ratio: 600 / 420;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(135deg, var(--anim-bg-top, #0A2246) 0%, var(--anim-bg-mid, #06152D) 52%, var(--anim-bg-bot, #030914) 100%);
}
.material-card__pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.material-card:hover .material-card__pic {
  transform: scale(1.04);
}