/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #ff5000;
  --primary-dark: #cc4000;
  --primary-light: #ff7c3b;
  --primary-rgb: 255, 80, 0;
  --accent: #ffffff;
  --accent-dark: #94a3b8;
  --accent-light: #e2e8f0;
  --accent-rgb: 255, 255, 255;
  --primary-gradient: linear-gradient(135deg, #ff5000 0%, #ff8c00 100%);
  --text-gradient: linear-gradient(135deg, #0f172a 30%, #ff5000 100%);
  --dark: #f4f5f7;
  --dark2: #ffffff;
  --dark3: #ebeef2;
  --dark4: #e2e6eb;
  --dark5: #cbd5e1;
  --light: #06070a;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: rgba(15, 23, 42, 0.1);
  --border-subtle: rgba(15, 23, 42, 0.05);
  --glow: rgba(var(--primary-rgb), 0.4);
  --glow-accent: rgba(var(--accent-rgb), 0.15);
  --btn-text: #ffffff;
  --radius: 16px;
  --transition: 0.4s cubic-bezier(.16, 1, .3, 1);
  --card-bg: #ffffff;
  --card-border: rgba(15, 23, 42, 0.06);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--dark);
}
::-webkit-scrollbar-thumb {
  background: var(--dark5);
  border: 3px solid var(--dark);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ===== GLOBAL TYPOGRAPHY GRADIENTS ===== */
.hero h1,
.section-header h2,
.inverter-content h2,
.about-content h2 {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #fff; /* Fallback for browsers not supporting background-clip */
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== PRELOADER ===== */
#preloader {
  position: fixed; inset: 0;
  background: var(--dark);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-wrap {
  display: flex; flex-direction: column;
  align-items: center; gap: 20px;
}
.loader-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700; color: var(--text);
  opacity: 0; animation: fadeUp 0.5s ease 0.2s forwards;
}
.loader-logo i { color: var(--primary); }
.loader-logo .logo-mark--loader {
  height: 46px; width: auto;
  filter: drop-shadow(0 0 10px var(--glow));
}
.loader-logo strong { color: var(--primary); }

.loader-bar-wrap {
  width: 200px; height: 3px;
  background: rgba(15,23,42,0.08);
  border-radius: 3px; overflow: hidden;
  opacity: 0; animation: fadeUp 0.5s ease 0.4s forwards;
}
.loader-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 3px;
  animation: loadBar 1s ease 0.5s forwards;
}
@keyframes loadBar { to { width: 100%; } }
.loader-ring {
  display: none;
}
#preloader span { display: none; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s cubic-bezier(.4,0,.2,1);
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05), 0 8px 32px rgba(0,0,0,0.06);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-container {
  max-width: 1240px; margin: auto;
  padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
  font-size: 17px; font-weight: 700; color: var(--text);
  letter-spacing: -0.2px;
}
.logo-mark {
  display: block;
  height: 40px;
  width: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px var(--glow));
  transition: transform var(--transition), filter var(--transition);
}
.logo:hover .logo-mark {
  transform: scale(1.05);
  filter: drop-shadow(0 0 14px var(--glow)) drop-shadow(0 0 20px var(--glow-accent));
}
.logo i {
  color: var(--primary); font-size: 20px;
  filter: drop-shadow(0 0 8px var(--glow));
}
.logo strong { color: var(--primary); }

.nav-links {
  display: flex; align-items: center; gap: 40px;
  list-style: none;
}
.nav-links a {
  text-decoration: none; color: var(--text-muted);
  font-size: 14px; font-weight: 500;
  transition: color var(--transition);
  position: relative; padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active {
  color: var(--primary) !important;
  text-shadow: 0 0 20px var(--glow);
}
.nav-links a.active::after { transform: scaleX(1); }
.btn-nav {
  background: var(--primary-gradient) !important;
  color: var(--btn-text) !important;
  padding: 9px 22px !important;
  border-radius: 9px !important;
  font-weight: 700 !important;
  font-size: 13px !important;
  box-shadow: 0 4px 16px rgba(var(--primary-rgb),0.3) !important;
  transition: all var(--transition) !important;
}
.btn-nav::after { display: none !important; }
.btn-nav:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 28px var(--glow), 0 0 20px var(--glow-accent) !important;
  color: var(--btn-text) !important;
}
.hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 4px; z-index: 1002;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  display: none;
}

.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(5, 10, 18, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.nav-overlay.active {
  opacity: 1; visibility: visible;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 130px 28px 90px;
  position: relative; overflow: hidden;
  max-width: 1240px; margin: auto;
}

/* Animated grid background */
.hero::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(var(--primary-rgb),0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--primary-rgb),0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none; z-index: 0;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-bg-shapes { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.shape {
  position: absolute; border-radius: 50%;
  filter: blur(140px); opacity: 0.15;
  will-change: transform;
}
.s1 {
  width: 650px; height: 650px;
  background: radial-gradient(circle, rgba(var(--primary-rgb),0.5) 0%, transparent 70%);
  top: -150px; right: -150px;
  animation: float1 12s ease-in-out infinite;
}
.s2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(var(--accent-rgb),0.45) 0%, transparent 70%);
  bottom: 0px; left: -150px;
  animation: float2 15s ease-in-out infinite;
}
.s3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(var(--primary-rgb),0.25) 0%, transparent 70%);
  bottom: -50px; right: 20%;
  animation: float1 18s ease-in-out infinite reverse;
}
@keyframes float1 { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-40px) scale(1.05)} }
@keyframes float2 { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(40px) scale(1.05)} }

.hero-content {
  position: relative; z-index: 1;
  max-width: 620px;
  opacity: 0; transform: translateY(50px);
  animation: fadeUp 1s cubic-bezier(.16,1,.3,1) 0.9s forwards;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700;
  color: var(--primary); text-transform: uppercase; letter-spacing: 3px;
  margin-bottom: 24px;
  background: rgba(var(--primary-rgb),0.08);
  border: 1px solid rgba(var(--primary-rgb),0.2);
  padding: 7px 16px; border-radius: 50px;
}
.hero-tag i { font-size: 10px; }

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 800; line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative; display: inline-block;
}
.highlight::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 4px; opacity: 0.6;
}
.hero-sub {
  font-size: 17px; color: var(--text-muted); line-height: 1.85;
  margin-bottom: 40px; max-width: 520px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--primary-gradient);
  color: var(--btn-text);
  padding: 15px 30px; border-radius: 11px;
  font-weight: 700; font-size: 15px;
  text-decoration: none; border: none; cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb),0.25), inset 0 1px 0 rgba(255,255,255,0.3);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(var(--primary-rgb),0.45);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(-1px) scale(0.98); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 15px 30px; border-radius: 11px;
  font-weight: 600; font-size: 15px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: #fff;
  background: rgba(var(--primary-rgb),0.08);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(var(--primary-rgb),0.12);
}
.btn-outline:active { transform: translateY(-1px) scale(0.98); }

.hero-stats {
  display: flex; align-items: center; gap: 36px;
  padding: 22px 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  width: fit-content;
}
.stat { text-align: left; }
.stat span {
  font-size: 2.1rem; font-weight: 800; line-height: 1;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat p { font-size: 11px; color: var(--text-muted); margin-top: 4px; letter-spacing: 0.5px; text-transform: uppercase; }
.stat-divider { width: 1px; height: 44px; background: var(--border-subtle); }

.hero-visual {
  position: absolute; right: 28px; top: 50%; transform: translateY(-50%);
  opacity: 0;
  animation: slideLeft 1s cubic-bezier(.16,1,.3,1) 1.3s forwards;
}
@keyframes slideLeft { from { opacity:0; transform: translateY(-50%) translateX(40px); } to { opacity:1; transform: translateY(-50%) translateX(0); } }

.hero-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  filter: drop-shadow(0 30px 40px rgba(15, 23, 42, 0.15));
  border-radius: var(--radius);
}

@keyframes fadeUp { from { opacity:0; transform:translateY(50px); } to { opacity:1; transform:translateY(0); } }

/* ===== MARQUEE ===== */
.marquee-wrap {
  background: rgba(20, 29, 48, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 13px 0; overflow: hidden;
  white-space: nowrap;
  position: relative;
}
.marquee-wrap::before, .marquee-wrap::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 80px;
  z-index: 2; pointer-events: none;
}
.marquee-wrap::before { left: 0; background: linear-gradient(90deg, var(--dark), transparent); }
.marquee-wrap::after { right: 0; background: linear-gradient(-90deg, var(--dark), transparent); }
.marquee-track {
  display: inline-flex; gap: 28px;
  animation: marquee 25s linear infinite;
}
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }
.marquee-track span:not(:nth-child(even)) {
  transition: color 0.3s ease, text-shadow 0.3s ease;
}
.marquee-wrap:hover .marquee-track span:not(:nth-child(even)):hover {
  color: var(--accent-light);
  text-shadow: 0 0 16px var(--glow-accent);
}
.marquee-track span {
  font-size: 12px; font-weight: 800;
  color: var(--primary); text-transform: uppercase; letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(var(--primary-rgb), 0.25);
}
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ===== SECTIONS ===== */
.section { padding: 110px 0; }
.container { max-width: 1240px; margin: auto; padding: 0 28px; }
.section-header { text-align: center; margin-bottom: 72px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700;
  color: var(--primary); text-transform: uppercase;
  letter-spacing: 3px; margin-bottom: 16px;
  background: rgba(var(--primary-rgb),0.08);
  border: 1px solid rgba(var(--primary-rgb),0.2);
  padding: 6px 16px; border-radius: 50px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; color: var(--text);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
.section-desc { font-size: 16px; color: var(--text-muted); max-width: 480px; margin: auto; line-height: 1.75; }

/* ===== ADVANCED AOS ENGINE ===== */
[data-aos] {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 0.85s cubic-bezier(.16, 1, .3, 1), transform 0.85s cubic-bezier(.16, 1, .3, 1);
}

[data-aos="fade-up"] {
  transform: translateY(45px);
}
[data-aos="fade-down"] {
  transform: translateY(-45px);
}
[data-aos="fade-left"] {
  transform: translateX(45px);
}
[data-aos="fade-right"] {
  transform: translateX(-45px);
}
[data-aos="zoom-in"] {
  transform: scale(0.92);
}
[data-aos="zoom-out"] {
  transform: scale(1.08);
}

/* Activated state */
[data-aos].visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* ===== PRODUCTS ===== */
.products { background: var(--dark2); position: relative; }
.products::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.carousel-wrapper {
  position: relative;
  width: 100%;
}
.product-grid {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 24px;
  padding: 10px 0 40px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.product-grid::-webkit-scrollbar { display: none; }
.product-grid .product-card {
  flex: 0 0 calc(33.333% - 16px);
  scroll-snap-align: center;
}

/* ===== BENTO GRID ===== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-flow: dense;
  gap: 24px;
}
.product-card.bento-wide { grid-column: span 2; }
.product-card.bento-tall { grid-row: span 2; }
.product-card.bento-normal { grid-column: span 1; }
.product-card.bento-normal-accent {
  grid-column: span 1;
  border-color: rgba(var(--primary-rgb), 0.35);
}
.product-card.bento-normal-accent:hover {
  border-color: var(--primary);
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.1), 0 0 25px rgba(var(--primary-rgb), 0.12);
}

@media (min-width: 1024px) {
  .product-card.bento-wide { flex-direction: row; }
  .product-card.bento-wide .product-img-wrap { width: 42%; height: 100%; }
  .product-card.bento-wide .product-body { width: 58%; padding: 32px 30px; }
  .product-card.bento-tall .product-img-wrap { height: 330px; }
}

@media (max-width: 1024px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card.bento-wide { grid-column: span 2; }
}

@media (max-width: 768px) {
  .bento-grid { grid-template-columns: 1fr; }
  .product-card.bento-wide, .product-card.bento-tall, .product-card.bento-normal { grid-column: span 1; grid-row: span 1; }
  .product-card.bento-wide { flex-direction: column; }
  .product-card.bento-wide .product-img-wrap { width: 100%; height: 215px; }
  .product-card.bento-wide .product-body { width: 100%; padding: 26px 20px 24px; }
  
  .review-card { width: 310px; padding: 24px; }
  .review-text { font-size: 14px; margin-bottom: 18px; }
  .review-stars { margin-bottom: 16px; }
  .author-logo { max-width: 80px; height: 30px; }
}
.carousel-wrapper {
  position: relative;
  width: 100%;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  border: 1px solid var(--primary);
  color: #fff;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 6px 16px rgba(var(--primary-rgb), 0.3);
  transition: var(--transition);
}
.carousel-btn:hover { 
  background: var(--primary-dark); 
  border-color: var(--primary-dark);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 10px 20px rgba(var(--primary-rgb), 0.4);
}
.carousel-btn.prev-btn { left: -24px; }
.carousel-btn.next-btn { right: -24px; }
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex; flex-direction: column;
  position: relative;
}
.product-card::after {
  content: '';
  position: absolute; inset: 0; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(var(--primary-rgb),0.04), transparent 60%);
  opacity: 0; transition: opacity 0.4s ease;
  pointer-events: none;
}
.product-card:hover {
  border-color: rgba(var(--primary-rgb), 0.4);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08), 0 0 25px rgba(var(--primary-rgb), 0.08);
}
.product-card:hover::after { opacity: 1; }

.product-img-wrap {
  position: relative; overflow: hidden;
  height: 215px;
}
.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 30px;
  background: #ffffff;
  transition: transform 0.6s cubic-bezier(.16,1,.3,1);
  display: block;
}
/* Override for Bento Grid specifically */
.bento-normal .product-img-wrap,
.bento-wide .product-img-wrap {
  background: #ffffff;
}
.bento-normal .product-img-wrap img,
.bento-wide .product-img-wrap img {
  object-fit: contain;
  padding: 30px;
  background: transparent;
}
.product-card:hover .product-img-wrap img { transform: scale(1.08); }
.product-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.4) 0%, transparent 60%);
  display: flex; align-items: flex-end; justify-content: flex-start;
  padding: 18px;
}
.product-img-overlay i {
  font-size: 22px; color: var(--primary);
  background: rgba(255,255,255,0.85);
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.product-card:hover .product-img-overlay i {
  background: rgba(var(--primary-rgb),0.15);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(var(--primary-rgb),0.3);
}

.product-body {
  padding: 24px 26px 28px;
  display: flex; flex-direction: column; flex: 1;
}
.product-body h3 {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin-bottom: 8px; letter-spacing: -0.2px;
}
.product-body > p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 14px; }
.product-specs {
  list-style: none; margin-bottom: 16px; flex: initial;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.product-specs li {
  display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--text-muted);
}
.product-specs li i { color: var(--primary); font-size: 10px; flex-shrink: 0; }

.card-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700; color: var(--primary);
  text-decoration: none;
  transition: gap var(--transition), opacity var(--transition);
  margin-top: auto; width: fit-content;
}
.card-link i { transition: transform var(--transition); }
.card-link:hover { gap: 11px; }
.card-link:hover i { transform: translateX(3px); }

.product-badge {
  position: absolute; top: 14px; right: 14px;
  background: var(--primary-gradient);
  color: var(--btn-text);
  font-size: 10px; font-weight: 800;
  padding: 5px 12px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(var(--primary-rgb),0.4);
}

.product-card--inverter {
  border-color: rgba(var(--primary-rgb),0.2);
}
.product-card--inverter:hover {
  border-color: var(--primary);
  box-shadow: 0 28px 64px rgba(var(--primary-rgb),0.12), 0 0 0 1px var(--primary);
}

/* ===== SERVICES ===== */
.services { background: var(--dark); position: relative; overflow: hidden; }
.services::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(var(--primary-rgb),0.05), transparent 70%);
  pointer-events: none;
}
.services-layout {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 80px; align-items: center;
}
.service-item {
  display: flex; gap: 20px;
  padding: 20px 0; border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition);
  cursor: pointer;
  border-left: 3px solid transparent;
  padding-left: 4px;
  margin-left: -4px;
}
.service-item:last-child { border-bottom: none; }
.service-item:hover { padding-left: 14px; border-bottom-color: rgba(var(--primary-rgb),0.15); }
.service-item.active {
  padding-left: 18px;
  border-left-color: var(--primary);
  background: linear-gradient(90deg, rgba(var(--primary-rgb),0.08), transparent 80%);
  border-radius: 0 12px 12px 0;
  box-shadow: -4px 0 24px rgba(var(--primary-rgb),0.06);
}
.service-num {
  font-size: 11px; font-weight: 800; color: var(--primary);
  min-width: 30px; padding-top: 3px;
  letter-spacing: 1px; opacity: 0.7;
}
.service-item:hover .service-num { opacity: 1; }
.service-item h4 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.service-item p { font-size: 13.5px; color: var(--text-muted); line-height: 1.65; }

.services-visual {
  display: flex; flex-direction: column;
  align-items: stretch; gap: 16px;
}
.uptime-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 20px;
  padding: 44px 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(var(--primary-rgb),0.25), inset 0 1px 0 rgba(255,255,255,0.2);
  position: relative; overflow: hidden;
}
.uptime-card::before {
  content: '';
  position: absolute; top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.uptime-card i { font-size: 44px; color: #ffffff; margin-bottom: 14px; display: block; opacity: 0.8; }
.uptime-card h3 { font-size: 2.8rem; font-weight: 900; color: #ffffff; letter-spacing: -1px; }
.uptime-card p { font-size: 14px; font-weight: 700; color: rgba(255,255,255,0.75); margin-top: 4px; }
.support-badge {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 24px;
  display: flex; align-items: center; gap: 14px;
  font-size: 14px; font-weight: 700; color: var(--text);
  transition: var(--transition);
}
.support-badge:hover { border-color: var(--primary); transform: translateY(-2px); }
.support-badge i { color: var(--primary); font-size: 20px; }

/* ===== INVERTER SECTION ===== */
.inverter-section { background: var(--dark2); padding: 110px 0; position: relative; overflow: hidden; }
.inverter-section::after {
  content: '';
  position: absolute; bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(var(--primary-rgb),0.06), transparent 70%);
  pointer-events: none;
}
.inverter-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: center;
}
.inverter-img-wrap {
  position: relative; border-radius: 22px; overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 40px 100px rgba(15,23,42,0.1);
}
.inverter-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s cubic-bezier(.16,1,.3,1);
}
.inverter-img-wrap:hover img { transform: scale(1.05); }
.inverter-img-wrap::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(var(--primary-rgb),0.12), transparent 60%);
  z-index: 1; pointer-events: none;
}
.inverter-img-wrap::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 22px;
  box-shadow: inset 0 0 0 1px rgba(var(--primary-rgb),0.15);
  z-index: 2; pointer-events: none;
}

.inverter-content h2 {
  font-size: 2.3rem; font-weight: 800; color: var(--text);
  margin-bottom: 16px; letter-spacing: -0.5px;
}
.inverter-content > p { font-size: 15px; color: var(--text-muted); line-height: 1.85; margin-bottom: 32px; }
.inverter-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 36px;
}
.inv-feat {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px; padding: 20px 18px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.inv-feat::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.inv-feat:hover {
  border-color: rgba(var(--primary-rgb), 0.4);
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.05), 0 0 20px rgba(var(--primary-rgb), 0.06);
}
.inv-feat:hover::before { opacity: 1; }
.inv-feat i { font-size: 22px; color: var(--primary); margin-bottom: 10px; display: block; }
.inv-feat h4 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.inv-feat p { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.55; }

.inverter-stats {
  display: flex; gap: 0; padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}
.inv-stat { flex: 1; text-align: center; padding: 0 8px; position: relative; }
.inv-stat::after {
  content: '';
  position: absolute; top: 10%; right: 0; bottom: 10%;
  width: 1px; background: var(--border-subtle);
}
.inv-stat:last-child::after { display: none; }
.inv-stat span { font-size: 1.7rem; font-weight: 800; color: var(--primary); display: block; letter-spacing: -0.5px; }
.inv-stat p { font-size: 11px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== ABOUT ===== */
.about { background: var(--dark); position: relative; overflow: hidden; }
.about::before {
  content: '';
  position: absolute; top: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(var(--primary-rgb),0.05), transparent 70%);
  pointer-events: none;
}
.about-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 90px; align-items: center;
}
.about-visual {
  position: relative; display: flex;
  align-items: center; justify-content: center;
  min-height: 420px;
}
.about-glow {
  position: absolute;
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--primary), transparent);
  border-radius: 50%; opacity: 0.07;
  filter: blur(60px);
  animation: float1 7s ease-in-out infinite;
}
.about-box {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 52px 44px;
  text-align: center;
  z-index: 1;
  box-shadow: 0 0 80px rgba(var(--primary-rgb),0.08), inset 0 1px 0 rgba(255,255,255,0.05);
  position: relative; overflow: hidden;
}
.about-box::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.about-box i { color: var(--primary); margin-bottom: 18px; filter: drop-shadow(0 0 12px rgba(var(--primary-rgb),0.5)); }
.about-box p { font-size: 19px; font-weight: 700; color: var(--text); line-height: 1.5; }

.about-badge {
  position: absolute; z-index: 2;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 10px 18px;
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; color: var(--primary);
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  backdrop-filter: blur(10px);
}
.about-badge i { font-size: 13px; }
.about-badge.top { top: 32px; right: -10px; }
.about-badge.bottom { bottom: 32px; left: -10px; }

.about-content h2 { font-size: 2.3rem; font-weight: 800; color: var(--text); margin-bottom: 22px; letter-spacing: -0.5px; }
.about-content p { font-size: 15px; color: var(--text-muted); line-height: 1.85; margin-bottom: 18px; }
.about-features {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin: 28px 0 36px;
}
.af-item {
  display: flex; align-items: center; gap: 9px;
  font-size: 14px; font-weight: 500; color: var(--text);
  background: var(--dark2);
  border: 1px solid var(--border-subtle);
  padding: 10px 14px; border-radius: 10px;
  transition: var(--transition);
}
.af-item:hover { border-color: var(--border); background: var(--dark3); }
.af-item i { color: var(--primary); font-size: 13px; flex-shrink: 0; }

/* ===== CUSTOMER REVIEWS ===== */
.customers {
  background: var(--bg-alt);
}
.reviews-marquee-wrap {
  overflow: hidden;
  padding: 20px 0 40px;
  width: 100%;
  position: relative;
}
.reviews-marquee-wrap::before, .reviews-marquee-wrap::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 100px;
  z-index: 2; pointer-events: none;
}
.reviews-marquee-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg-alt), transparent); }
.reviews-marquee-wrap::after { right: 0; background: linear-gradient(-90deg, var(--bg-alt), transparent); }

.reviews-marquee-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: reviewScroll 35s linear infinite;
}
.reviews-marquee-wrap:hover .reviews-marquee-track {
  animation-play-state: paused;
}
@keyframes reviewScroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 12px)); }
}

.review-card {
  background: var(--card-bg);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  width: 380px;
  flex-shrink: 0;
  white-space: normal;
}
.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--primary-rgb), 0.4);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}
.review-stars {
  color: #F59E0B;
  font-size: 14px;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.review-text {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 24px;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.author-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--primary-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.author-logo {
  height: 36px;
  max-width: 100px;
  object-fit: contain;
}
.author-info h4 {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 4px;
  font-weight: 700;
}
.author-info p {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== CONTACT ===== */
.contact { background: var(--dark2); position: relative; }
.contact-layout {
  display: grid; grid-template-columns: 1fr 1.6fr;
  gap: 72px; align-items: start;
}
.cinfo-item {
  display: flex; align-items: flex-start; gap: 16px;
  margin-bottom: 30px; padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}
.cinfo-item:hover {
  border-color: rgba(var(--primary-rgb), 0.4);
  transform: translateY(-4px) translateX(4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(var(--primary-rgb), 0.08);
}
.cinfo-item i {
  width: 44px; height: 44px;
  background: rgba(var(--primary-rgb),0.1);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; color: var(--primary); flex-shrink: 0;
  border: 1px solid var(--border);
}
.cinfo-item h4 { font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 1px; }
.cinfo-item p { font-size: 14px; color: var(--text); line-height: 1.6; }

.contact-form {
  background: var(--dark3);
  border: 1px solid var(--border-subtle);
  border-radius: 22px;
  padding: 44px;
  box-shadow: 0 20px 60px rgba(15,23,42,0.05);
  position: relative; overflow: hidden;
}
.contact-form::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.12), 0 0 20px rgba(var(--accent-rgb),0.08);
  transform: translateY(-1px);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--dark2);
  border: 1px solid var(--border-subtle);
  border-radius: 11px;
  padding: 14px 18px;
  font-size: 14px; color: var(--text);
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  margin-bottom: 16px;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--dark5); }
.contact-form textarea { resize: vertical; min-height: 130px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 0;
  position: relative; overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.footer-layout {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 52px; margin-bottom: 52px;
}
.footer-brand .logo-mark { height: 44px; }
.footer-brand .logo { margin-bottom: 4px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.85; margin-top: 18px; max-width: 260px; }
.footer-links h4, .footer-contact h4 {
  font-size: 11px; font-weight: 700; color: var(--text);
  margin-bottom: 22px; text-transform: uppercase; letter-spacing: 2px;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 14px; color: var(--text-muted); text-decoration: none;
  transition: all var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
}
.footer-links a::before { content: ''; width: 0; height: 1px; background: var(--primary); transition: width var(--transition); }
.footer-links a:hover { color: var(--text); padding-left: 4px; }
.footer-links a:hover::before { width: 12px; }
.footer-contact p {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--text-muted);
  margin-bottom: 12px; line-height: 1.6;
  transition: color var(--transition);
}
.footer-contact p:hover { color: var(--text); }
.footer-contact i { color: var(--primary); margin-top: 3px; flex-shrink: 0; font-size: 13px; }
.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 22px 28px; text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--dark5); }

/* Hide mobile-only inner strips on desktop */
.about-box-top,
.about-box-bottom { display: none; }
.about-box-mid { padding: 0; background: none; display: contents; }
.about-box-mid i { margin-bottom: 16px !important; }
.about-box-mid p { font-size: 18px !important; }

/* ===== SCROLL HINTS ===== */
.scroll-hint {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
.chevron {
  width: 18px;
  height: 18px;
  border-right: 3px solid var(--primary);
  border-bottom: 3px solid var(--primary);
  transform: rotate(45deg);
  margin: -6px 0;
  animation: chevron-pulse 2s infinite;
  opacity: 0;
}
.chevron:nth-child(1) { animation-delay: 0s; }
.chevron:nth-child(2) { animation-delay: 0.2s; }
.chevron:nth-child(3) { animation-delay: 0.4s; }

@keyframes chevron-pulse {
  0% { opacity: 0; transform: translateY(-10px) rotate(45deg); }
  50% { opacity: 1; transform: translateY(0) rotate(45deg); }
  100% { opacity: 0; transform: translateY(10px) rotate(45deg); }
}

/* ===== INTERACTIVE ENHANCEMENTS ===== */
#cursor-glow {
  position: fixed;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 80, 0, 0.15) 0%, rgba(255, 80, 0, 0.05) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  opacity: 0;
}
body.cursor-ready #cursor-glow { opacity: 1; }

#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--primary-gradient);
  z-index: 9998; pointer-events: none;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px var(--glow), 0 0 24px var(--glow-accent);
}

.btn-primary, .btn-nav, .btn-outline {
  position: relative;
  overflow: hidden;
}
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: ripple 0.6s ease-out forwards;
  pointer-events: none;
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

[data-magnetic] { will-change: transform; }

.product-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}
.product-card .product-glow {
  position: absolute; inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(500px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 80, 0, 0.12), transparent 50%);
  mix-blend-mode: multiply;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 1;
}
.product-card:hover .product-glow { opacity: 1; }

.hero-tag, .section-tag {
  position: relative;
  overflow: hidden;
}
.hero-tag::before, .section-tag::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.12) 50%, transparent 60%);
  transform: translateX(-120%);
  animation: tagShine 4s ease-in-out infinite;
}
@keyframes tagShine {
  0%, 70%, 100% { transform: translateX(-120%); }
  85% { transform: translateX(120%); }
}

.stat {
  transition: transform var(--transition);
}
.stat:hover {
  transform: scale(1.08);
}

.inv-feat, .af-item, .cinfo-item {
  cursor: default;
}
.inv-feat:active, .af-item:active {
  transform: scale(0.98);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #cursor-glow { display: none; }
}

@media (hover: none) {
  #cursor-glow { display: none; }
  .product-card { transform: none !important; }
}

/* Tablet */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    padding-top: 140px;
    text-align: center;
  }
  .hero-content {
    margin-bottom: 40px;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-visual {
    position: relative;
    right: auto; top: auto; transform: none;
    width: 100%;
    display: flex; justify-content: center;
    opacity: 0;
    animation: fadeUp 1s cubic-bezier(.16,1,.3,1) 0.5s forwards;
  }
  .services-layout { grid-template-columns: 1fr; gap: 48px; }
  .about-layout { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { min-height: auto; }
  .footer-layout { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-layout { grid-template-columns: 1fr; gap: 44px; }
  .inverter-layout { grid-template-columns: 1fr; gap: 44px; }
  .product-card {
    flex: 0 0 calc(50% - 12px);
  }
  .carousel-btn.prev-btn { left: -10px; }
  .carousel-btn.next-btn { right: -10px; }
}

/* Mobile */
@media (max-width: 768px) {
  html { font-size: 15px; }
  body { overflow-x: hidden; padding-bottom: 78px; }
  .container { padding: 0 18px; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 1.8rem; letter-spacing: -0.3px; }
  .section-desc { font-size: 14px; }

  #navbar { padding: 14px 0; }
  .nav-container { padding: 0 18px; }
  .logo { font-size: 15px; gap: 10px; }
  .logo-mark { height: 34px; }
  .logo i { font-size: 17px; }
  .hamburger { display: none; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%; bottom: 0;
    width: 72vw; max-width: 280px;
    background: var(--dark2);
    flex-direction: column; align-items: flex-start;
    gap: 0; padding: 72px 24px 40px;
    transition: right 0.4s cubic-bezier(.4,0,.2,1);
    border-left: 1px solid var(--border-subtle);
    z-index: 1001; overflow-y: auto;
  }
  .nav-links.open { right: 0; box-shadow: -30px 0 80px rgba(0,0,0,0.6); }
  .nav-links li { width: 100%; padding: 15px 0; border-bottom: 1px solid var(--border-subtle); }
  .nav-links li:last-child { border: none; padding-top: 20px; }
  .nav-links a { font-size: 15px; color: var(--text); }
  .btn-nav { width: 100%; text-align: center; display: block; }

  /* Mobile Bottom Nav Bar */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 68px;
    background: rgba(255, 255, 255, 0.92); /* Clean light glassmorphic theme */
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.08);
  }

  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
    gap: 5px;
    width: 20%;
    height: 100%;
    transition: color var(--transition), transform var(--transition);
  }

  .bottom-nav-item i {
    font-size: 18px;
    transition: transform var(--transition), color var(--transition);
  }

  .bottom-nav-item:hover,
  .bottom-nav-item.active {
    color: var(--primary);
  }

  .bottom-nav-item.active i {
    transform: scale(1.1);
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--glow));
  }

  .hero { min-height: 100svh; padding: 100px 18px 52px; text-align: center; flex-direction: column; justify-content: center; max-width: 100%; }
  .hero-content { max-width: 100%; }
  .hero-tag { font-size: 10px; justify-content: center; letter-spacing: 2px; margin-bottom: 18px; }
  .hero h1 { font-size: clamp(1.9rem, 7.5vw, 2.6rem); line-height: 1.12; margin-bottom: 16px; letter-spacing: -0.5px; }
  .hero-sub { font-size: 14px; line-height: 1.75; margin-bottom: 28px; }
  .hero-cta { flex-direction: column; align-items: center; gap: 12px; margin-bottom: 36px; }
  .btn-primary, .btn-outline { width: 100%; max-width: 300px; justify-content: center; padding: 14px 24px; font-size: 14px; }
  .hero-stats { justify-content: center; gap: 0; background: rgba(255,255,255,0.03); border: 1px solid var(--border-subtle); border-radius: 16px; padding: 18px 12px; display: grid; grid-template-columns: 1fr 1px 1fr 1px 1fr; align-items: center; width: 100%; max-width: 360px; margin: 0 auto; }
  .stat span { font-size: 1.5rem; }
  .stat p { font-size: 10px; }
  .hero-stats .stat { text-align: center; }
  .stat-divider { width: 1px; height: 36px; background: var(--border-subtle); }

  .marquee-wrap { padding: 11px 0; }
  .marquee-track span { font-size: 11px; }

  .carousel-btn { display: none; }
  .product-grid { 
    gap: 24px; 
    padding-bottom: 24px; 
    flex-direction: column; 
    overflow-x: hidden; 
  }
  .product-grid .product-card { 
    flex: 1 1 100%; 
    width: 100%; 
  }
  .product-img-wrap { height: 190px; }
  .bento-grid .product-card { flex: 1 1 100%; width: 100%; }
  
  .product-body { padding: 18px 18px 22px; }
  .product-body h3 { font-size: 17px; }
  .product-specs { grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 16px; }
  .product-specs li { font-size: 12px; }

  .services-layout { grid-template-columns: 1fr; gap: 36px; }
  .services-visual { flex-direction: row; gap: 14px; align-items: stretch; }
  .uptime-card { flex: 1; padding: 28px 20px; }
  .uptime-card h3 { font-size: 2rem; }
  .support-badge { flex: 1; flex-direction: column; justify-content: center; text-align: center; padding: 20px 14px; gap: 8px; font-size: 13px; }

  .inverter-section { padding: 60px 0; }
  .inverter-layout { grid-template-columns: 1fr; gap: 28px; }
  .inverter-img-wrap { aspect-ratio: 16/10; }
  .inverter-content h2 { font-size: 1.65rem; }
  .inverter-content > p { font-size: 14px; }
  .inverter-features { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 24px; }
  .inv-feat { padding: 14px 12px; }
  .inv-feat i { font-size: 18px; }
  .inv-feat h4 { font-size: 12px; }
  .inv-feat p { font-size: 11px; }
  .inverter-stats { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 20px; }
  .inv-stat::after { display: block; }
  .inv-stat span { font-size: 1.1rem; }
  .inv-stat p { font-size: 10px; }

  .about-layout { grid-template-columns: 1fr; gap: 4px; }
  .about-visual {
    display: flex; flex-direction: column;
    align-items: center; gap: 0;
    min-height: auto; padding: 0 0 28px;
  }
  .about-glow { display: none; }
  .about-badge { display: none; }
  .about-box {
    width: 100%; padding: 0;
    border-radius: 20px; overflow: hidden;
    display: flex; flex-direction: column;
    align-items: stretch; gap: 0;
    border: 1px solid rgba(var(--primary-rgb),0.2);
    background: var(--dark3);
    box-shadow: 0 24px 64px rgba(0,0,0,0.45), 0 0 40px rgba(var(--primary-rgb),0.06);
  }
  .about-box::before { display: none; }
  .about-box-top {
    display: flex; align-items: center;
    justify-content: center; gap: 8px;
    padding: 14px 20px;
    background: rgba(var(--primary-rgb),0.08);
    border-bottom: 1px solid rgba(var(--primary-rgb),0.15);
    font-size: 13px; font-weight: 700; color: var(--primary);
    letter-spacing: 0.3px;
  }
  .about-box-top i { font-size: 13px; }
  .about-box-mid {
    display: flex; flex-direction: column;
    align-items: center; gap: 16px;
    padding: 40px 24px 36px;
    background: radial-gradient(ellipse at 50% 0%, rgba(var(--primary-rgb),0.09), transparent 65%);
  }
  .about-box-mid i {
    font-size: 3rem !important; color: var(--primary);
    filter: drop-shadow(0 0 20px rgba(var(--primary-rgb),0.55));
    margin: 0 !important;
  }
  .about-box-mid p {
    font-size: 18px !important; font-weight: 700;
    color: #000; text-align: center;
    line-height: 1.5; margin: 0 !important;
  }
  .about-box-bottom {
    display: flex; align-items: center;
    justify-content: center; gap: 8px;
    padding: 14px 20px;
    background: rgba(var(--primary-rgb),0.06);
    border-top: 1px solid rgba(var(--primary-rgb),0.12);
    font-size: 13px; font-weight: 700; color: var(--primary);
    letter-spacing: 0.3px;
  }
  .about-box-bottom i { font-size: 14px; }
  .about-content h2 { font-size: 1.65rem; }
  .about-content p { font-size: 14px; }
  .about-features { grid-template-columns: 1fr 1fr; gap: 8px; margin: 20px 0 28px; }
  .af-item { font-size: 13px; padding: 9px 12px; }

  .contact-layout { grid-template-columns: 1fr; gap: 28px; }
  .cinfo-item { padding: 16px; margin-bottom: 12px; }
  .cinfo-item h4 { font-size: 11px; }
  .cinfo-item p { font-size: 13px; }
  .contact-form { padding: 24px 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; margin-bottom: 0; }
  .contact-form input, .contact-form textarea { padding: 12px 14px; font-size: 14px; margin-bottom: 12px; }
  .contact-form button { width: 100%; justify-content: center; }

  .footer { padding: 48px 0 0; }
  .footer-layout { grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 100%; font-size: 13px; }
  .footer-bottom { padding: 16px 18px; }
}

/* Small phones */
@media (max-width: 400px) {
  .hero h1 { font-size: 1.75rem; }
  .inverter-features { grid-template-columns: 1fr; }
  .inverter-stats { grid-template-columns: repeat(2, 1fr); }
  .inv-stat:nth-child(2) { border-right: none; }
  .about-features { grid-template-columns: 1fr; }
  .services-visual { flex-direction: column; }
  .product-specs { grid-template-columns: 1fr; }
  .footer-layout { grid-template-columns: 1fr; }
}