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

:root {
  --primary: #00d2ff;        /* Neon electric blue */
  --primary-dark: #009cb8;
  --primary-light: #7be4ff;
  --accent: #00f5d4;         /* Teal glow */
  --accent-glow: rgba(0, 245, 212, 0.15);
  --silver: #e2e8f0;
  --silver-dark: #64748b;
  --navy: #131722;           /* Beautiful deep slate/charcoal gray (not pitch black) */
  --navy-light: #1c2030;     /* Rich steel-gray for sections/cards */
  --navy-blue: #232938;      /* Lighter cool gray */
  --card-bg: rgba(28, 32, 48, 0.7); /* Translucent slate cards */
  --card-border: rgba(255, 255, 255, 0.06);
  --card-hover-border: rgba(0, 210, 255, 0.3);
  --text: #c5cedb;           /* Silver-blue soft body text */
  --text-dark: #ffffff;      /* Crisp white headings */
  --muted: #8a99ad;          /* Cool steel-blue muted text */
  --white: #ffffff;
  --section-gap: 100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--navy);
}
::-webkit-scrollbar-thumb {
  background: var(--navy-light);
  border: 2px solid var(--navy);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ─── NAVBAR ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 48px;
  background: rgba(19, 23, 34, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  transition: all 0.3s ease;
}
nav.scrolled {
  padding: 8px 48px;
  background: rgba(19, 23, 34, 0.95);
  border-bottom: 1px solid rgba(0, 210, 255, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.logo { display: flex; align-items: center; text-decoration: none; transition: transform 0.2s; }
.logo:hover { transform: scale(1.02); }
.logo-svg {
  height: 54px;
  width: auto;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 600;
  letter-spacing: 0.8px; text-transform: uppercase;
  transition: all 0.2s;
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text-dark); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--navy); padding: 10px 24px;
  border-radius: 8px; text-decoration: none; font-size: 13px; font-weight: 700;
  letter-spacing: 0.5px; transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.2);
}
.nav-cta:hover { 
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
  filter: brightness(1.1);
}

/* ─── HERO SLIDER ─── */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
  background: var(--navy);
}
.slides-container {
  width: 100%;
  height: 100%;
  position: relative;
}
.slide {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px;
  z-index: 1;
}
.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}
.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.25) contrast(1.1);
  transform: scale(1.1);
  transition: transform 6s ease-out;
}
.slide.active .slide-bg {
  transform: scale(1);
}
.slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0, 210, 255, 0.08) 0%, rgba(19, 23, 34, 0.95) 80%);
  pointer-events: none;
}
.slide-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}
.slide.active .slide-content {
  opacity: 1;
  transform: translateY(0);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0, 210, 255, 0.08); border: 1px solid rgba(0, 210, 255, 0.25);
  color: var(--primary-light); padding: 7px 18px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 24px;
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.05);
}
.hero-badge::before { content: '●'; font-size: 8px; animation: pulseGlow 1.5s infinite; color: var(--accent); }
@keyframes pulseGlow { 0%,100%{opacity:1; filter: drop-shadow(0 0 2px var(--accent));} 50%{opacity:0.3; filter: none;} }

.hero-slider h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 900; line-height: 1.1;
  color: #fff; margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-slider h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: clamp(15px, 1.8vw, 19px); color: #f8f9fa;
  max-width: 680px; margin: 0 auto 32px;
  font-weight: 400;
}
.hero-tags {
  display: flex; gap: 10px; flex-wrap: wrap;
  justify-content: center; margin-bottom: 40px;
}
.hero-tag {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--text); padding: 8px 18px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  transition: all 0.3s;
}
.hero-tag:hover {
  border-color: var(--primary);
  background: rgba(0, 210, 255, 0.05);
  transform: translateY(-1px);
}
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--navy); padding: 16px 36px;
  border-radius: 10px; text-decoration: none; font-weight: 700;
  font-size: 15px; transition: all 0.3s;
  display: inline-flex; align-items: center; gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.2);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 210, 255, 0.4);
  filter: brightness(1.1);
}
.btn-outline {
  background: transparent; color: var(--text-dark); padding: 16px 36px;
  border-radius: 10px; text-decoration: none; font-weight: 600;
  font-size: 15px; border: 2px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s; display: inline-flex; align-items: center; gap: 10px;
  cursor: pointer;
}
.btn-outline:hover { 
  border-color: var(--primary); 
  background: rgba(0, 210, 255, 0.05);
  transform: translateY(-2px); 
}

/* Slider Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px; height: 54px;
  background: rgba(19, 23, 34, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: var(--text-dark);
  font-size: 18px;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}
.slider-arrow:hover {
  background: var(--primary);
  color: var(--navy);
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}
.slider-arrow.prev { left: 30px; }
.slider-arrow.next { right: 30px; }

.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}
.slider-dot {
  width: 32px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
}
.slider-dot.active {
  background: var(--primary);
  width: 48px;
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}

/* ─── STATS STRIP ─── */
.hero-stats {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(19, 23, 34, 0.95) 70%, transparent 100%);
  padding: 24px;
  display: flex; gap: 60px;
  justify-content: center; flex-wrap: wrap; z-index: 5;
  border-top: 1px solid rgba(255,255,255,0.02);
}
.stat { text-align: center; }
.stat-num {
  font-family: 'Montserrat', sans-serif; font-size: 36px;
  font-weight: 900; color: #fff; line-height: 1;
}
.stat-num span { color: var(--primary); }
.stat-label { font-size: 11px; color: #e9ecef; letter-spacing: 1.5px; text-transform: uppercase; margin-top: 6px; font-weight: 600; }

/* ─── SECTIONS ─── */
section { padding: var(--section-gap) 24px; max-width: 1240px; margin: 0 auto; position: relative; }
.section-full { max-width: 100%; padding-left: 0; padding-right: 0; }

.section-label {
  font-size: 11px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: 14px; display: block;
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; color: var(--text-dark); line-height: 1.2; margin-bottom: 16px;
}
.section-title span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-desc { font-size: 16px; color: var(--muted); max-width: 620px; line-height: 1.8; }

/* ─── INTRO STRIP ─── */
.intro-strip {
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy) 100%);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 80px 24px;
  position: relative;
}
.intro-strip::before {
  content: ''; position: absolute; top: -10%; left: 30%; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}
.intro-inner { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.intro-inner h2 { font-family: 'Montserrat', sans-serif; font-size: 36px; font-weight: 800; color: var(--text-dark); margin-bottom: 20px; line-height: 1.2; }
.intro-inner p { color: var(--muted); font-size: 15px; line-height: 1.8; margin-bottom: 18px; }
.intro-highlight {
  background: rgba(0, 210, 255, 0.03); border-left: 4px solid var(--primary);
  padding: 20px; border-radius: 0 12px 12px 0;
  font-size: 15px; font-weight: 600; color: var(--text-dark); margin-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.02);
  border-bottom: 1px solid rgba(255,255,255,0.02);
}

/* ─── FEATURES GRID ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px; margin-top: 50px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px; padding: 32px 28px;
  transition: all 0.3s ease; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity 0.3s;
}
.feature-card:hover { 
  border-color: var(--card-hover-border); 
  transform: translateY(-5px);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 15px 35px -10px rgba(0, 210, 255, 0.15);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px; height: 52px; background: rgba(0, 210, 255, 0.06);
  border-radius: 12px; display: grid; place-items: center;
  font-size: 24px; margin-bottom: 22px;
  border: 1px solid rgba(0, 210, 255, 0.15);
  color: var(--primary);
}
.feature-card h3 { font-family: 'Montserrat', sans-serif; font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.feature-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* ─── SPECS TABLE ─── */
.specs-wrap {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 20px; overflow: hidden; margin-top: 50px;
  backdrop-filter: blur(10px);
}
.specs-wrap table { width: 100%; border-collapse: collapse; }
.specs-wrap thead { background: linear-gradient(90deg, var(--navy-light), var(--navy-blue)); border-bottom: 1px solid var(--card-border); }
.specs-wrap thead th {
  padding: 20px 28px; text-align: left;
  font-family: 'Montserrat', sans-serif; font-size: 13px;
  font-weight: 700; letter-spacing: 1px; color: var(--primary); text-transform: uppercase;
}
.specs-wrap tbody tr { border-bottom: 1px solid rgba(255,255,255,0.03); transition: background 0.2s; }
.specs-wrap tbody tr:hover { background: rgba(0, 210, 255, 0.02); }
.specs-wrap tbody tr:last-child { border-bottom: none; }
.specs-wrap td { padding: 18px 28px; font-size: 14px; }
.specs-wrap td:first-child { color: var(--muted); font-weight: 500; }
.specs-wrap td:last-child { color: var(--text-dark); font-weight: 600; font-family: 'Montserrat', sans-serif; }

/* ─── WASH MODES ─── */
.modes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 50px; }
.mode-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 20px; padding: 40px 36px; position: relative; overflow: hidden;
  transition: all 0.3s;
}
.mode-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-3px);
  box-shadow: 0 15px 40px -10px rgba(0, 210, 255, 0.1);
}
.mode-card.premium { border-color: rgba(0, 210, 255, 0.2); background: radial-gradient(circle at top right, rgba(0, 210, 255, 0.03), transparent 60%); }
.mode-card.premium::after {
  content: 'PREMIUM'; position: absolute; top: 20px; right: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--navy); font-size: 10px; font-weight: 800;
  letter-spacing: 2px; padding: 4px 14px; border-radius: 999px;
}
.mode-card h3 {
  font-family: 'Montserrat', sans-serif; font-size: 24px;
  font-weight: 800; color: var(--text-dark); margin-bottom: 8px;
}
.mode-card .mode-desc { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.mode-steps { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.mode-steps li {
  display: flex; align-items: center; gap: 14px;
  font-size: 14.5px; color: var(--text);
}
.step-num {
  width: 30px; height: 30px; background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25); border-radius: 50%;
  display: grid; place-items: center; font-size: 12px;
  font-weight: 700; color: var(--primary-light); flex-shrink: 0;
}

/* ─── INTERACTIVE ROI CALCULATOR ─── */
.roi-calculator {
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy) 100%);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 40px;
  margin-top: 50px;
  position: relative;
  overflow: hidden;
}
.roi-calculator::before {
  content: ''; position: absolute; top: 0; right: 0; width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.04) 0%, transparent 70%);
  pointer-events: none;
}
.roi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.roi-inputs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.calc-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.calc-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.calc-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0, 210, 255, 0.08);
  padding: 2px 10px;
  border-radius: 6px;
}
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border: 3px solid var(--navy-light);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.1s, background 0.1s;
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}
.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--accent);
}
.roi-results {
  background: rgba(19, 23, 34, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  backdrop-filter: blur(10px);
}
.roi-result-card {
  display: flex;
  flex-direction: column;
}
.roi-result-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.roi-result-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 42px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
  margin-top: 4px;
  text-shadow: 0 0 20px rgba(0, 245, 212, 0.2);
}
.roi-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
}
.roi-stat-item h4 {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.roi-stat-item p {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
}
.roi-stat-item p span {
  color: var(--primary);
}
.roi-badge-info {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  padding: 10px;
  border-radius: 8px;
  border: 1px dashed rgba(255, 255, 255, 0.05);
}

/* ─── MEDIA GALLERY WITH TABS ─── */
.gallery-section {
  padding: var(--section-gap) 24px;
}
.gallery-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 40px 0 30px;
}
.gallery-tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}
.gallery-tab-btn.active, .gallery-tab-btn:hover {
  background: var(--primary);
  color: var(--navy);
  border-color: var(--primary);
  box-shadow: 0 5px 15px rgba(0, 210, 255, 0.25);
}
.gallery-content-pane {
  display: none;
}
.gallery-content-pane.active {
  display: block;
  animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.video-container-wrap {
  max-width: 900px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}
.video-container-wrap::before {
  content: ''; position: absolute; inset: 0; border: 1px solid rgba(0, 210, 255, 0.15); border-radius: 20px; pointer-events: none;
}
.video-ratio {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  border-radius: 12px;
  overflow: hidden;
  background: #000;
}
.video-ratio iframe {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border: none;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  border: 1px solid var(--card-border);
  background: var(--navy-light);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(19, 23, 34, 0.9) 0%, transparent 80%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}
.gallery-item:hover img {
  transform: scale(1.08);
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}
.gallery-overlay h4 {
  color: var(--text-dark);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: 'Montserrat', sans-serif;
}
.gallery-overlay p {
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 500;
}
.gallery-item-icon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 48px; height: 48px;
  background: var(--primary);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--navy);
  font-size: 16px;
  opacity: 0;
  transition: all 0.3s;
}
.gallery-item:hover .gallery-item-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

/* Lightbox Styles */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(19, 23, 34, 0.95);
  z-index: 1000;
  display: none;
  place-items: center;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 24px;
  backdrop-filter: blur(10px);
}
.lightbox.active {
  display: grid;
  opacity: 1;
}
.lightbox-content {
  max-width: 900px;
  max-height: 80vh;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.lightbox.active .lightbox-content {
  transform: scale(1);
}
.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  display: block;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 24px; right: 24px;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  width: 50px; height: 50px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.lightbox-close:hover {
  background: var(--primary);
  color: var(--navy);
  transform: rotate(90deg);
}
.lightbox-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: var(--text-dark);
  padding: 20px;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

/* ─── COMPONENTS LIST ─── */
.comp-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px; margin-top: 50px;
}
.comp-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 18px 20px;
  display: flex; align-items: center; gap: 14px;
  transition: all 0.2s;
}
.comp-item:hover {
  border-color: var(--card-hover-border);
  background: rgba(255,255,255,0.03);
}
.comp-dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 8px var(--primary); }
.comp-item span { font-size: 13.5px; color: var(--text); font-weight: 500; }
.comp-badge {
  margin-left: auto; font-size: 11px; color: var(--primary-light);
  background: rgba(0, 210, 255, 0.08); padding: 3px 10px; border-radius: 999px;
  font-weight: 600;
}

/* ─── 3D SENSING ─── */
.sensing-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  margin-top: 50px;
  align-items: start;
}
.sensing-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sensing-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 24px 28px;
  transition: all 0.3s;
}
.sensing-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: 0 10px 25px -10px rgba(0,210,255,0.1);
}
.sensing-card h3 {
  font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 700;
  color: var(--primary); margin-bottom: 8px;
  display: flex; align-items: center; gap: 12px;
}
.sensing-card h3::before { content: ''; width: 16px; height: 2px; background: var(--primary); box-shadow: 0 0 5px var(--primary); }
.sensing-card p { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* Simulator Styling */
.simulator-card {
  background: rgba(13, 21, 39, 0.4);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  backdrop-filter: blur(10px);
  position: sticky;
  top: 90px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.simulator-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 12px;
}
.simulator-header h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
}
.simulator-status {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(0, 245, 212, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0, 245, 212, 0.05);
}
.simulator-viewport {
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 25px rgba(0,0,0,0.9);
}
.simulator-viewport svg {
  display: block;
  width: 100%;
  height: auto;
}
.simulator-controls {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.sim-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--muted);
  padding: 10px 2px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.sim-btn:hover {
  background: rgba(19, 23, 34, 0.04);
  border-color: rgba(0, 210, 255, 0.2);
  color: var(--text-dark);
}
.sim-btn.active {
  background: var(--primary);
  color: var(--navy);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 210, 255, 0.25);
}


/* ─── BRANCHES ─── */
.branches-bg {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 80px 24px;
}
.branches-inner { max-width: 1240px; margin: 0 auto; }
.branches-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px; margin-top: 50px;
}
.branch-card {
  background: rgba(255,255,255,0.01); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 24px;
  transition: all 0.25s;
}
.branch-card:hover { border-color: var(--card-hover-border); background: rgba(0, 210, 255, 0.02); }
.branch-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 8px; display: block;
}
.branch-card h4 {
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 15px; color: var(--text-dark); margin-bottom: 8px;
}
.branch-card p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ─── OPTIONAL FEATURES ─── */
.opt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 50px; }
.opt-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 28px 24px; text-align: center;
  transition: all 0.25s ease;
}
.opt-card:hover { border-color: var(--card-hover-border); transform: translateY(-3px); background: rgba(255,255,255,0.03); }
.opt-icon { font-size: 32px; margin-bottom: 16px; display: block; filter: drop-shadow(0 0 5px rgba(0,210,255,0.2)); }
.opt-card h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; color: var(--text-dark); margin-bottom: 8px; }
.opt-card p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ─── WHY SECTION ─── */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 50px; }
.why-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 36px 32px;
  transition: all 0.3s;
}
.why-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: 0 10px 25px -10px rgba(0,210,255,0.1);
}
.why-card h3 {
  font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 700;
  color: var(--text-dark); margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.why-card h3 .icon { font-size: 22px; color: var(--primary); }
.why-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.eu-list { list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.eu-list li { font-size: 13.5px; color: var(--text); display: flex; align-items: center; gap: 10px; }
.eu-list li::before { content: '✓'; color: var(--accent); font-weight: 700; }

/* ─── PAYMENT ─── */
.payment-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 30px; align-items: start; margin-top: 50px; }
.payment-features { display: flex; flex-direction: column; gap: 16px; }
.pay-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 22px 24px;
}
.pay-item h4 {
  font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 700;
  color: var(--text-dark); margin-bottom: 10px;
}
.pay-item ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.pay-item ul li { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.pay-item ul li::before { content: '→'; color: var(--primary); font-size: 12px; font-weight: bold; }
.payment-visual {
  background: linear-gradient(135deg, var(--card-bg), var(--navy-light));
  border: 1px solid var(--card-border); border-radius: 20px;
  padding: 40px; display: flex; flex-direction: column; align-items: center;
  gap: 20px; text-align: center;
}
.terminal-icon {
  width: 130px; height: 230px; background: #0f172a;
  border: 2px solid rgba(255, 255, 255, 0.08); border-radius: 18px;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 14px; position: relative;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(0, 210, 255, 0.05);
}
.terminal-icon::before {
  content: ''; position: absolute; top: 10px; width: 40px; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px;
}
.terminal-screen {
  width: 90px; height: 70px; background: #020617;
  border: 1px solid rgba(0, 210, 255, 0.2); border-radius: 8px;
  display: grid; place-items: center; font-size: 24px;
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.1);
}
.terminal-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid; place-items: center; font-size: 15px; color: var(--muted);
  transition: all 0.2s;
}
.terminal-icon:hover .terminal-btn {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 8px rgba(0, 210, 255, 0.2);
}

/* ─── SUPPORT ─── */
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 50px; }
.support-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 32px 28px; text-align: center;
  transition: all 0.3s;
}
.support-card:hover { border-color: var(--card-hover-border); transform: translateY(-3px); }
.support-icon { font-size: 36px; margin-bottom: 18px; display: block; filter: drop-shadow(0 0 5px rgba(0,210,255,0.15)); }
.support-card h3 {
  font-family: 'Montserrat', sans-serif; font-size: 16px; font-weight: 700;
  color: var(--text-dark); margin-bottom: 12px;
}
.support-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* ─── EQUIPMENT LIST ─── */
.equip-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px; margin-top: 50px;
}
.equip-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 18px 20px;
  display: flex; align-items: center; gap: 12px;
  transition: all 0.2s;
}
.equip-item:hover { border-color: var(--card-hover-border); background: rgba(0,210,255,0.02); }
.equip-item span { font-size: 20px; filter: drop-shadow(0 0 3px rgba(0,210,255,0.15)); }
.equip-item p { font-size: 13px; color: var(--text); font-weight: 600; }

/* ─── CONTACT ─── */
.contact-bg {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--navy) 100%);
  padding: 100px 24px;
  border-top: 1px solid var(--card-border);
}
.contact-inner { max-width: 1000px; margin: 0 auto; text-align: center; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin-top: 50px; }
.contact-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 32px 24px; text-align: center;
  transition: all 0.3s;
}
.contact-item:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px -10px rgba(0, 210, 255, 0.15);
}
.contact-icon { font-size: 32px; margin-bottom: 16px; display: block; }
.contact-item h4 {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.contact-item a, .contact-item p {
  font-size: 14.5px; color: var(--text-dark); font-weight: 700; text-decoration: none;
  transition: color 0.2s;
}
.contact-item a:hover { color: var(--primary); }

/* ─── FOOTER ─── */
footer {
  background: #03060a; border-top: 1px solid var(--card-border);
  padding: 60px 48px; display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 30px;
  position: relative;
  z-index: 10;
}
footer p { font-size: 13px; color: var(--muted); }
.footer-logo { display: flex; align-items: center; text-decoration: none; }
.footer-logo .logo-svg { height: 48px; }
.social-footer {
  display: flex;
  gap: 14px;
}
.social-icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s;
}
.social-icon-btn:hover {
  background: var(--primary);
  color: var(--navy);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 210, 255, 0.3);
}

/* ─── DIVIDER ─── */
.divider {
  height: 1px; background: linear-gradient(90deg, transparent, var(--card-border), transparent);
  max-width: 1240px; margin: 0 auto;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 992px) {
  nav { padding: 12px 24px; }
  nav.scrolled { padding: 8px 24px; }
  .nav-links { gap: 16px; }
  .hero-slider { height: auto; min-height: 100vh; }
  .slide { padding-top: 120px; padding-bottom: 120px; height: auto; min-height: 100vh; position: relative; display: flex; opacity: 1; visibility: visible; }
  .slide:not(.active) { display: none; }
  .roi-grid, .payment-grid, .sensing-grid { grid-template-columns: 1fr; }
  .simulator-card { position: relative; top: 0; }
  .hero-stats { position: relative; background: var(--navy); padding: 40px 24px; gap: 30px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .intro-inner, .modes-grid, .sensing-grid, .why-grid, .support-grid { grid-template-columns: 1fr; }
  .hero-slider h1 { font-size: clamp(32px, 8vw, 48px); }
  .slider-arrow { display: none; }
  footer { flex-direction: column; text-align: center; padding: 40px 20px; }
}