/* ============================================================
   Solumex Official Website - Modern Light Theme Styles
   ============================================================ */

:root {
  /* Color System */
  --bg-primary: #ffffff;
  --bg-secondary: #f4f7fa;     /* Science & Technology Gray */
  --bg-card: #ffffff;          /* Clean white background for cards */
  --bg-modal: rgba(255, 255, 255, 0.98);
  
  --text-primary: #0c1b30;    /* Stable Corporate Navy Blue */
  --text-secondary: #334e68;  /* Slate Corporate Gray */
  --text-muted: #627d98;      /* Slate Gray */
  
  --color-orange: #F69A1B;     /* Sungrow Orange */
  --color-yellow: #fcae3c;
  --color-green: #10b981;
  --color-blue: #0284c7;
  
  --gradient-primary: linear-gradient(135deg, #fcae3c, #F69A1B);
  --gradient-green: linear-gradient(135deg, #34d399, #059669);
  --gradient-blue: linear-gradient(135deg, #38bdf8, #0284c7);
  --gradient-hero-bg: radial-gradient(circle at top right, rgba(246, 154, 27, 0.04), transparent 50%),
                      radial-gradient(circle at bottom left, rgba(12, 27, 48, 0.02), transparent 45%),
                      linear-gradient(180deg, #f4f7fa 0%, #ffffff 100%);
  
  --border-light: #e2e8f0;     /* Crisp light border */
  --border-glass: #e2e8f0;     /* Crisp light border */
  --border-active: rgba(246, 154, 27, 0.4);
  --border-glow: rgba(12, 27, 48, 0.08);
  
  /* Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(12, 27, 48, 0.03);
  --shadow-md: 0 12px 30px rgba(12, 27, 48, 0.05);
  --shadow-lg: 0 20px 40px rgba(12, 27, 48, 0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;          /* Less rounded, more clean enterprise look */
  
  /* Animation */
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Reset & Defaults ---- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', 'Noto Sans SC', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  overflow-x: hidden;
  line-height: 1.6;
}

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

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
  border: 2px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-orange);
}

/* ---- Floating Location Badge ---- */
.location-badge {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.location-badge.hide {
  opacity: 0;
  transform: translateY(100px) scale(0.9);
  pointer-events: none;
}
.location-close {
  background: none;
  border: none;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.location-close:hover {
  color: var(--color-orange);
  transform: rotate(90deg);
}

/* ---- Nav Bar ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition);
  background: transparent;
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  height: 70px;
  box-shadow: var(--shadow-sm);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.nav-logo-svg {
  display: block;
}
.nav-logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
}
.logo-o {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  transform: scale(1.05);
}
.logo-x-svg {
  margin-left: 1px;
  vertical-align: middle;
  transform: translateY(-1px);
}
.footer-logo-text {
  font-size: 24px;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 8px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 2px;
}
.nav-links a:hover {
  color: var(--color-orange);
}
.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Language Selector */
.lang-selector {
  position: relative;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.lang-btn:hover {
  background: #ffffff;
  border-color: var(--color-orange);
  color: var(--color-orange);
  box-shadow: var(--shadow-sm);
}
.lang-globe {
  font-size: 14px;
}
.lang-arrow {
  font-size: 9px;
  margin-left: 2px;
  transition: transform 0.3s ease;
}
.lang-selector.active .lang-arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  width: 130px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
}
.lang-selector.active .lang-dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.lang-dropdown a {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.lang-dropdown a:hover {
  background: var(--bg-secondary);
  color: var(--color-orange);
  padding-left: 20px;
}

.nav-btn {
  padding: 10px 24px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(246, 154, 27, 0.2);
}
.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(246, 154, 27, 0.35);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1002;
}
.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero Section (Full-screen Carousel Banner) ---- */
#hero {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: #08111e;
  padding: 0 !important;
  margin: 0 !important;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
}

.hero-slide.active {
  opacity: 1;
  z-index: 2;
}

/* Dark gradient overlay for high text contrast */
.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12, 27, 48, 0.85) 0%, rgba(12, 27, 48, 0.5) 50%, rgba(12, 27, 48, 0.3) 100%);
  z-index: 2;
}

.hero-slide-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 850px;
  padding: 0 8%;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

/* Hero Badge */
.hero-slide .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(246, 154, 27, 0.15);
  border: 1px solid rgba(246, 154, 27, 0.3);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-orange);
  margin-bottom: 24px;
  box-shadow: 0 2px 10px rgba(246, 154, 27, 0.1);
}

.hero-slide .hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* Slide Typography */
.hero-slide .hero-title-main {
  font-size: clamp(32px, 5.5vw, 68px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: #ffffff;
  letter-spacing: -1px;
}

.hero-slide .hero-slide-desc {
  font-size: clamp(14px, 1.8vw, 18px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

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

/* Slide In/Fade Animations for text */
.hero-slide .hero-badge,
.hero-slide .hero-title-main,
.hero-slide .hero-slide-desc,
.hero-slide .hero-slide-actions {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1),
              transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hero-slide.active .hero-badge {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.hero-slide.active .hero-title-main {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

.hero-slide.active .hero-slide-desc {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.6s;
}

.hero-slide.active .hero-slide-actions {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.8s;
}

/* Navigation Controls */
.hero-control-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-control-btn:hover {
  background: rgba(246, 154, 27, 0.25);
  border-color: rgba(246, 154, 27, 0.5);
  color: var(--color-orange);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 0 20px rgba(246, 154, 27, 0.2);
}

.hero-control-btn.prev {
  left: 3%;
}

.hero-control-btn.next {
  right: 3%;
}

/* Indicator Dots */
.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-dot.active {
  background: var(--color-orange);
  width: 30px;
  border-radius: 5px;
}

/* Adjust general buttons slightly for hero slide */
.hero-slide .btn-primary {
  padding: 14px 32px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(246, 154, 27, 0.25);
  font-family: inherit;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hero-slide .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: 0.5s ease;
  z-index: -1;
}

.hero-slide .btn-primary:hover::before {
  left: 100%;
  transition: 0.6s ease;
}

.hero-slide .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(246, 154, 27, 0.4);
}

.hero-slide .btn-outline {
  padding: 14px 32px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50px;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.hero-slide .btn-outline:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.hud-status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-green);
  border-radius: 50%;
  animation: pulseGreen 2s infinite;
  margin: 0 4px;
}

/* Animations */
@keyframes floatImage {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(0.8deg); }
}
@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.float-anim {
  animation: float1 4s ease-in-out infinite;
}
.float-anim-reverse {
  animation: float2 4s ease-in-out infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ---- Sections Common ---- */
section {
  padding: 180px 8% 140px;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(246, 154, 27, 0.06);
  border: 1px solid rgba(246, 154, 27, 0.12);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-title span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ---- Products Section ---- */
#products {
  background-color: var(--bg-secondary);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 30px;
  max-width: 1300px;
  margin: 0 auto;
}
.product-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-blue);
  box-shadow: var(--shadow-md);
}
.product-card.orange:hover {
  border-color: var(--color-orange);
}
.product-card.green:hover {
  border-color: var(--color-green);
}
.product-image-carousel {
  height: 280px;
  overflow: hidden;
  position: relative;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-slides-window {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}
.carousel-slides-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-slide-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  flex-shrink: 0;
  padding: 30px;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-slide-img {
  transform: translateY(-4px) scale(1.02);
}
.product-image-carousel .product-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 6px 16px;
  background: rgba(2, 132, 199, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(2, 132, 199, 0.15);
  border-radius: 50px;
  font-size: 12px;
  color: var(--color-blue);
  font-weight: 700;
  z-index: 3;
}
.product-card.orange .product-tag {
  background: rgba(246, 154, 27, 0.08);
  border-color: rgba(246, 154, 27, 0.15);
  color: var(--color-orange);
}
.product-card.green .product-tag {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
}
.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(12, 27, 48, 0.1);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 10px rgba(12, 27, 48, 0.05);
}
.carousel-nav-btn.prev {
  left: 16px;
}
.carousel-nav-btn.next {
  right: 16px;
}
.product-image-carousel:hover .carousel-nav-btn {
  opacity: 1;
  pointer-events: auto;
}
.carousel-nav-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-50%) scale(1.05);
  border-color: rgba(12, 27, 48, 0.25);
  color: var(--color-blue);
}
.product-card.orange .carousel-nav-btn:hover {
  color: var(--color-orange);
}
.product-card.green .carousel-nav-btn:hover {
  color: var(--color-green);
}
.carousel-dots-container {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}
.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(12, 27, 48, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
}
.carousel-dot.active {
  background: var(--color-blue);
  width: 16px;
  border-radius: 3px;
}
.product-card.orange .carousel-dot.active {
  background: var(--color-orange);
}
.product-card.green .carousel-dot.active {
  background: var(--color-green);
}
.product-spec-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.product-spec-tabs::-webkit-scrollbar {
  display: none;
}
.spec-tab-btn {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  font-family: inherit;
}
.spec-tab-btn:hover {
  background: #ffffff;
  border-color: var(--text-muted);
}
.spec-tab-btn.active {
  background: #ffffff;
  border-color: var(--color-blue);
  color: var(--color-blue);
  box-shadow: var(--shadow-sm);
}
.product-card.orange .spec-tab-btn.active {
  border-color: var(--color-orange);
  color: var(--color-orange);
}
.product-card.green .spec-tab-btn.active {
  border-color: var(--color-green);
  color: var(--color-green);
}
.product-image {
  height: 280px;
  overflow: hidden;
  position: relative;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-img-glow {
  display: none; /* Removed neon glowing backgrounds */
}
.product-image img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  z-index: 2;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-image img {
  transform: translateY(-4px) scale(1.02);
}
.product-image .product-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 6px 16px;
  background: rgba(2, 132, 199, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(2, 132, 199, 0.15);
  border-radius: 50px;
  font-size: 12px;
  color: var(--color-blue);
  font-weight: 700;
  z-index: 3;
}
.product-body {
  padding: 36px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.product-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.8;
}
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.spec-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-light);
  border-radius: 0;
  padding: 10px 0;
  transition: var(--transition);
}
.product-card:hover .spec-item {
  background: transparent;
  border-bottom-color: rgba(2, 132, 199, 0.25);
}
.product-card.orange:hover .spec-item {
  background: transparent;
  border-bottom-color: rgba(246, 154, 27, 0.25);
}
.spec-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
}
.spec-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-blue);
}
.product-btn {
  width: 100%;
  padding: 14px;
  background: var(--gradient-blue);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.1);
  margin-top: auto;
  position: relative;
  overflow: hidden;
}
.product-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transition: 0.5s ease;
  z-index: 1;
}
.product-btn:hover::before {
  left: 100%;
  transition: 0.6s ease;
}
.product-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(2, 132, 199, 0.25);
}

.product-card.orange .product-tag {
  background: rgba(246, 154, 27, 0.08);
  border-color: rgba(246, 154, 27, 0.15);
  color: var(--color-orange);
}
.product-card.orange .spec-value {
  color: var(--color-orange);
}
.product-card.orange .product-btn {
  background: var(--gradient-primary);
  box-shadow: 0 4px 12px rgba(246, 154, 27, 0.1);
}
.product-card.orange .product-btn:hover {
  box-shadow: 0 6px 15px rgba(246, 154, 27, 0.25);
}

.product-card.green:hover .spec-item {
  border-bottom-color: rgba(16, 185, 129, 0.25);
}
.product-card.green .spec-value {
  color: var(--color-green);
}
.product-card.green .product-btn {
  background: var(--gradient-green);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}
.product-card.green .product-btn:hover {
  box-shadow: 0 6px 15px rgba(16, 185, 129, 0.25);
}


/* ---- App Download Section ---- */
#app {
  background-color: var(--bg-primary);
}
.apps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 1300px;
  margin: 0 auto;
}
.app-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.app-card:first-child:hover {
  border-color: rgba(2, 132, 199, 0.25);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.app-card:nth-child(2):hover {
  border-color: rgba(246, 154, 27, 0.25);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.app-card-phone {
  position: relative;
  width: 240px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.app-card-phone img {
  max-height: 360px;
  width: auto;
  z-index: 1;
  filter: drop-shadow(0 20px 40px rgba(12, 27, 48, 0.08));
  transition: var(--transition);
}
.app-card:hover .app-card-phone img {
  transform: translateY(-8px);
}
.app-card-phone .phone-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 220px;
  height: 220px;
  border-radius: 50%;
  filter: blur(35px);
  z-index: 0;
  pointer-events: none;
}
.app-card-phone .phone-glass-backdrop {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 190px;
  height: 360px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 36px;
  z-index: 0;
  pointer-events: none;
  box-shadow: 0 10px 30px rgba(12, 27, 48, 0.05);
}
.app-card-phone .phone-spec-hud {
  position: absolute;
  z-index: 2;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 8px 14px;
  border-radius: 50px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
  transition: var(--transition);
}
.app-card-phone .phone-spec-hud svg {
  flex-shrink: 0;
}
.hud-ble {
  left: -10px;
  top: 60px;
  border-left: 3px solid var(--color-blue);
  color: var(--color-blue) !important;
}
.hud-health {
  right: -10px;
  bottom: 80px;
  border-left: 3px solid var(--color-green);
  color: var(--color-green) !important;
}
.hud-pv {
  left: -10px;
  top: 60px;
  border-left: 3px solid var(--color-orange);
  color: var(--color-orange) !important;
}
.hud-status {
  right: -10px;
  bottom: 80px;
  border-left: 3px solid var(--color-blue);
  color: var(--color-blue) !important;
}
.app-card-info h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.app-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}
.app-card-info .app-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 30px;
}
.app-card-info .app-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 0 0 12px;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  border-bottom: 1px solid rgba(12, 27, 48, 0.05);
  transition: var(--transition);
}
.app-card-info .app-feature:last-child {
  border-bottom: none;
}
.app-card-info .app-feature:hover {
  background: transparent;
  transform: translateX(6px);
}
.app-feature-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-orange);
  opacity: 0.3;
  font-family: 'Outfit', sans-serif;
  line-height: 1.2;
  transition: var(--transition);
  flex-shrink: 0;
}
.app-card:first-child .app-feature-num {
  color: var(--color-blue);
}
.app-feature:hover .app-feature-num {
  opacity: 0.9;
  transform: scale(1.1);
}
.app-feature-text h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.app-feature-text p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}
.app-card-info .app-downloads {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.download-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
  flex: 1;
  min-width: 105px;
  justify-content: center;
}
.download-btn-icon {
  font-size: 16px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  color: var(--text-muted);
}
.download-btn-text {
  text-align: left;
}
.download-btn-text .platform {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}
.download-btn:hover {
  background: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.app-card:first-child .download-btn:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.app-card:first-child .download-btn:hover .download-btn-icon {
  color: var(--color-blue);
}
.app-card:nth-child(2) .download-btn:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
}
.app-card:nth-child(2) .download-btn:hover .download-btn-icon {
  color: var(--color-orange);
}

/* ---- Tools Section ---- */
#tools {
  background-color: var(--bg-secondary);
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}
.tool-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.tool-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-orange);
  box-shadow: var(--shadow-md);
}
.tool-icon {
  width: auto;
  height: auto;
  background: transparent;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  font-size: 24px;
  margin-bottom: 20px;
  box-shadow: none;
  color: var(--color-orange);
  transition: var(--transition);
}
.tool-card:hover .tool-icon {
  transform: scale(1.1);
}
.tool-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.tool-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex: 1;
  line-height: 1.8;
}
.tool-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.tool-version {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  background: rgba(246, 154, 27, 0.06);
  border-radius: 20px;
  color: var(--color-orange);
}
.tool-size {
  font-size: 12px;
  color: var(--text-muted);
}
.tool-dl-btn {
  width: 100%;
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}
.tool-dl-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(246, 154, 27, 0.15);
}

/* ---- Videos Section ---- */
#videos {
  background-color: var(--bg-primary);
}
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}
.video-card {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: none;
}
.video-card:hover {
  transform: translateY(-4px);
}
.video-thumb {
  position: relative;
  height: 200px;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.video-card:hover .video-thumb {
  border-color: var(--color-orange);
}
.video-thumb-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: transform 0.6s ease;
}
.video-card:hover .video-thumb-bg {
  transform: scale(1.05);
}
.play-btn {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  padding-left: 2px; /* Center play triangle visually */
}
.play-btn svg {
  color: var(--color-orange);
  transition: var(--transition);
}
.play-btn::before,
.play-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-orange);
  opacity: 0;
  z-index: -1;
  transition: transform 0.5s ease, opacity 0.5s ease;
}
.video-card:hover .play-btn {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #ffffff;
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(246, 154, 27, 0.35);
}
.video-card:hover .play-btn svg {
  color: #ffffff;
  transform: scale(1.05);
}
.video-card:hover .play-btn::before {
  transform: scale(1.3);
  opacity: 0.15;
}
.video-card:hover .play-btn::after {
  transform: scale(1.5);
  opacity: 0.08;
}
.video-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 4px 8px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  color: #fff;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  z-index: 1;
}
.video-body {
  padding: 16px 0 0;
}
.video-cat {
  font-size: 11px;
  color: var(--color-orange);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.video-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.5;
  min-height: 45px;
}
.video-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- About Section ---- */
#about {
  background-color: var(--bg-secondary);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.about-visual {
  position: relative;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.about-stat-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.about-stat-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.about-stat-num {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: 'Outfit', sans-serif;
  margin-bottom: 4px;
}
.about-stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.about-info h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.about-info h2 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-info p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.about-tag {
  padding: 8px 18px;
  background: rgba(246, 154, 27, 0.05);
  border: 1px solid rgba(246, 154, 27, 0.1);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-orange);
}

/* ---- Values Section ---- */
.values-section {
  background:
    radial-gradient(circle at 12% 18%, rgba(2, 132, 199, 0.08), transparent 24%),
    radial-gradient(circle at 88% 22%, rgba(246, 154, 27, 0.12), transparent 26%),
    linear-gradient(180deg, #f5f8fb 0%, #edf3f8 100%);
  overflow: hidden;
}
.values-header {
  margin-bottom: 52px;
}
.values-slogan-title {
  max-width: 900px;
  margin: 0 auto 14px;
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.16;
  letter-spacing: -1px;
}
.values-slogan-sub {
  margin: 0 auto;
  max-width: 760px;
  font-size: clamp(15px, 2vw, 22px);
  line-height: 1.6;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: transparent;
  background: linear-gradient(90deg, rgba(246, 154, 27, 0.95), rgba(2, 132, 199, 0.95));
  -webkit-background-clip: text;
  background-clip: text;
}
.values-display-card {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 48px;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 24px 60px rgba(12, 27, 48, 0.1);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.values-display-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 72px rgba(12, 27, 48, 0.14);
  border-color: rgba(246, 154, 27, 0.3);
}
.values-card-glow {
  position: absolute;
  inset: auto;
  width: 320px;
  height: 320px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246, 154, 27, 0.18) 0%, rgba(2, 132, 199, 0.12) 40%, transparent 72%);
  filter: blur(10px);
  pointer-events: none;
}
.values-display-copy {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.values-quote {
  position: absolute;
  z-index: 0;
  font-size: clamp(88px, 10vw, 150px);
  line-height: 1;
  color: rgba(246, 154, 27, 0.18);
  font-family: Georgia, "Times New Roman", serif;
  pointer-events: none;
}
.values-quote-open {
  top: 20px;
  left: 26px;
}
.values-quote-close {
  right: 26px;
  bottom: -8px;
}
.motto-line {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.75;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}
.motto-source {
  margin-top: 20px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.values-pillars {
  max-width: 1200px;
  margin: 34px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.pillar-item {
  position: relative;
  padding: 34px 28px 30px;
  border-radius: 24px;
  border: 1px solid rgba(12, 27, 48, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pillar-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(246, 154, 27, 0.09), transparent 38%, rgba(2, 132, 199, 0.06));
  opacity: 0;
  transition: opacity var(--transition);
}
.pillar-item:hover {
  transform: translateY(-8px);
  border-color: rgba(246, 154, 27, 0.26);
  box-shadow: 0 22px 48px rgba(12, 27, 48, 0.12);
}
.pillar-item:hover::before {
  opacity: 1;
}
.pillar-icon,
.pillar-item h3,
.pillar-item p {
  position: relative;
  z-index: 1;
}
.pillar-icon {
  width: 68px;
  height: 68px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  margin-bottom: 22px;
  color: var(--color-orange);
  background: linear-gradient(135deg, rgba(246, 154, 27, 0.12), rgba(2, 132, 199, 0.08));
  box-shadow: inset 0 0 0 1px rgba(246, 154, 27, 0.12), 0 12px 24px rgba(2, 132, 199, 0.08);
}
.pillar-item:nth-child(2) .pillar-icon {
  color: var(--color-blue);
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.12), rgba(246, 154, 27, 0.06));
}
.pillar-item:nth-child(3) .pillar-icon {
  color: var(--color-green);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(246, 154, 27, 0.06));
}
.pillar-item h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.pillar-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---- Contact Section ---- */
#contact {
  background-color: var(--bg-primary);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.contact-info h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.contact-info h2 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-info p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
}
.contact-item-icon {
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: none;
  color: var(--color-orange);
  transition: var(--transition);
}
.contact-item:hover .contact-item-icon {
  color: var(--color-orange);
  transform: scale(1.15);
}
.contact-item-text .label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-item-text .value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}
.contact-form {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-align: center;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group input, .form-group textarea, .form-group select {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--color-orange);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(246, 154, 27, 0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-submit {
  padding: 14px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: 0 4px 12px rgba(246, 154, 27, 0.15);
  margin-top: 10px;
}
.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(246, 154, 27, 0.25);
}

/* ---- Footer ---- */
footer {
  background: #081629;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 80px 5% 40px;
  color: #ffffff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto 60px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 20px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 24px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--color-orange);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 1200px;
  margin: 0 auto;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-socials {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
}
.social-btn:hover {
  background: rgba(246, 154, 27, 0.1);
  border-color: var(--color-orange);
  color: var(--color-orange);
  transform: translateY(-3px) scale(1.05);
}

/* ---- App Download Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.25);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.active {
  display: flex;
  opacity: 1;
}
.modal {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(30px) scale(0.98);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  background: #f1f5f9;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover {
  background: var(--color-orange);
  color: #ffffff;
  border-color: transparent;
  transform: rotate(90deg);
}
.modal h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
  text-align: center;
}
.modal p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 30px;
  text-align: center;
  line-height: 1.6;
}
.qr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
#app-modal .modal {
  max-width: 580px;
}
#app-modal.bms-theme .qr-placeholder svg {
  color: var(--color-blue) !important;
}
#app-modal.mppt-theme .qr-placeholder svg {
  color: var(--color-orange) !important;
}
#app-modal.bms-theme .modal-close:hover {
  background: var(--color-blue);
}
#app-modal.mppt-theme .modal-close:hover {
  background: var(--color-orange);
}
.qr-item {
  text-align: center;
}
.qr-placeholder {
  width: 140px;
  height: 140px;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
}
.qr-placeholder::after {
  content: 'QR CODE';
  position: absolute;
  bottom: 8px;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.qr-item:hover .qr-placeholder {
  border-color: var(--border-active);
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}
.qr-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ---- Video Lightbox Modal ---- */
.video-modal-content {
  max-width: 800px;
  padding: 32px;
}
.video-iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  background: #000;
  box-shadow: var(--shadow-sm);
}
.video-iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---- Mobile Menu (Drawer) ---- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  padding: 30px 6%;
  z-index: 999;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-menu a {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 12px 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  display: block;
  transition: var(--transition);
}
.mobile-menu a:hover {
  color: var(--color-orange);
  padding-left: 8px;
}
.mobile-lang-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0 0;
}
.mobile-lang-btn {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
  border-bottom: none !important;
  padding: 4px 8px !important;
  display: inline-block !important;
}
.mobile-lang-btn.active {
  color: var(--color-orange) !important;
  background: rgba(246, 154, 27, 0.05);
  border-radius: 4px;
}
.mobile-lang-row .divider {
  color: var(--border-light);
}

/* ---- Keyframe Animations ---- */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.9);
  }
}
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-16px);
  }
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), 
              transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive Styles ---- */
@media (max-width: 1024px) {
  .apps-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .values-display-card {
    padding: 46px 34px;
  }
  .values-quote-open {
    left: 18px;
  }
  .values-quote-close {
    right: 18px;
  }
  .hero-slide-content {
    margin-left: 0;
    padding: 0 40px;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 100%;
  }
  .hero-control-btn {
    width: 44px;
    height: 44px;
  }
  .hero-control-btn.prev {
    left: 2%;
  }
  .hero-control-btn.next {
    right: 2%;
  }
}
@media (max-width: 768px) {
  .hero-slide-content {
    padding: 0 20px;
  }
  .hero-control-btn {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav-links, .nav-actions {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu {
    display: block;
  }
  .products-grid, .apps-grid, .about-inner, .contact-inner, .values-pillars {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .app-card {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px;
  }
  .app-features {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .form-group {
    margin-bottom: 12px;
  }
}

@media (max-width: 600px) {
  section {
    padding: 120px 6% 100px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .hero-stats-row {
    flex-wrap: wrap;
    gap: 16px;
  }
  .hero-stat-mini {
    flex: 0 0 45%;
  }
  .hud-battery {
    left: -2%;
    top: 15%;
  }
  .hud-mppt {
    right: -2%;
    bottom: 15%;
  }
  .hero-visual-wrapper {
    max-width: 320px;
  }
  .values-slogan-sub {
    letter-spacing: 0.08em;
  }
  .values-display-card {
    padding: 38px 22px;
    border-radius: 24px;
  }
  .values-quote {
    font-size: 72px;
  }
  .values-quote-open {
    top: 16px;
    left: 14px;
  }
  .values-quote-close {
    right: 14px;
    bottom: 2px;
  }
  .motto-line {
    font-size: 20px;
    line-height: 1.7;
  }
  .pillar-item {
    padding: 28px 22px 24px;
  }
  .qr-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .modal {
    padding: 30px 20px;
  }
  .phone-spec-hud {
    padding: 8px 14px;
    font-size: 11px;
  }
  .hud-ble {
    left: 2%;
    top: 20%;
  }
  .hud-health {
    right: 2%;
    bottom: 20%;
  }
  .phone-bg-glow {
    width: 240px;
    height: 240px;
  }
  .phone-glass-backdrop {
    width: 200px;
    height: 380px;
  }
}