/* ============================================
   MANIKARAN POWER LIMITED — Design System
   Inspired by fillgst.com aesthetics
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Core palette */
  --bg-primary: #4b5b7a;
  --bg-secondary: #0c1220;
  --bg-surface: #111827;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);

  /* Text */
  --text-primary: #f0f0f5;
  --text-secondary: #8892a4;
  --text-muted: #5a6478;
  --text-heading: #ffffff;

  /* Accent */
  --accent-red: #dc2626;
  --accent-red-light: #ef4444;
  --accent-gold: #f59e0b;
  --accent-emerald: #10b981;
  --accent-blue: #3b82f6;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #dc2626 0%, #f59e0b 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(220,38,38,0.15) 0%, rgba(245,158,11,0.15) 100%);
  --gradient-dark: linear-gradient(180deg, #050a14 0%, #0c1220 100%);
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(220,38,38,0.12) 0%, transparent 60%);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(220, 38, 38, 0.3);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(220, 38, 38, 0.15);

  /* Spacing */
  --section-padding: clamp(60px, 10vw, 120px);
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-normal: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 16px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-red-light);
  margin-bottom: 16px;
  background: rgba(220, 38, 38, 0.08);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(220, 38, 38, 0.15);
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-red);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.section-title {
  font-size: clamp(32px, 5vw, 52px);
  margin-bottom: 20px;
  line-height: 1.15;
}

.section-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.7;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Scroll-reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* staggered children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0s; }
.stagger-children .reveal:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .reveal:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .reveal:nth-child(4) { transition-delay: 0.3s; }
.stagger-children .reveal:nth-child(5) { transition-delay: 0.4s; }
.stagger-children .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 42px;
  width: auto;
  transition: transform var(--transition-fast);
}

.nav-logo:hover img {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 24px;
}

.nav-cta {
  margin-left: 12px;
}

.nav-cta a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px !important;
  background: var(--gradient-brand) !important;
  color: #fff !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: all var(--transition-fast) !important;
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.nav-cta a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(220, 38, 38, 0.4) !important;
}

.nav-cta a::after {
  display: none !important;
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
  display: inline-block;
  margin-left: 8px;
}

.nav-dropdown-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-dropdown-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-dropdown-btn .arrow {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-btn .arrow {
  transform: rotate(180deg);
}

.nav-dropdown-content {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 12px;
  min-width: 180px;
  background: rgba(12, 18, 32, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  padding: 8px;
  z-index: 1000;
}

.nav-dropdown:hover .nav-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-content a {
  padding: 10px 16px;
  color: var(--text-primary) !important;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.nav-dropdown-content a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-red-light) !important;
}

.nav-dropdown-content a::after {
  display: none !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

/* Animated particle grid background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/hero-power.png') center/cover no-repeat;
  opacity: 0.15;
  filter: blur(1px);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(5,10,20,0.3) 0%, 
    rgba(5,10,20,0.6) 40%, 
    rgba(5,10,20,0.95) 100%
  );
}

/* Animated grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(220,38,38,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220,38,38,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-drift 20s linear infinite;
  z-index: 1;
}

@keyframes grid-drift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float-orb 8s ease-in-out infinite;
  z-index: 1;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(220, 38, 38, 0.08);
  top: 10%;
  left: -5%;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(245, 158, 11, 0.06);
  bottom: 15%;
  right: -5%;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: rgba(59, 130, 246, 0.05);
  top: 50%;
  left: 40%;
  animation-delay: -5s;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.15);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-red-light);
  margin-bottom: 28px;
  animation: fadeInDown 1s var(--ease-out) 0.2s both;
}

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

.hero h1 {
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 1s var(--ease-out) 0.4s both;
}

.hero h1 .line {
  display: block;
}

.hero-description {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeInUp 1s var(--ease-out) 0.6s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s var(--ease-out) 0.8s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(220, 38, 38, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-icon {
  font-size: 18px;
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeInUp 1s var(--ease-out) 1.2s both;
}

.hero-scroll span {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--border-medium);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent-red);
  animation: scroll-indicator 2s ease infinite;
}

@keyframes scroll-indicator {
  0% { top: -50%; }
  100% { top: 100%; }
}

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

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

/* ============================================
   MARQUEE / TICKER
   ============================================ */
.marquee-section {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  overflow: hidden;
  padding: 18px 0;
}

.marquee-track {
  display: flex;
  gap: 60px;
  animation: marquee-scroll 30s linear infinite;
  width: max-content;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.marquee-item .icon {
  font-size: 18px;
}

.marquee-divider {
  color: var(--border-medium);
  font-size: 8px;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
  background: var(--gradient-dark);
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(220,38,38,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid var(--border-subtle);
  pointer-events: none;
}

/* Floating stat card on image */
.about-floating-stat {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: rgba(12, 18, 32, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  box-shadow: var(--shadow-lg);
}

.about-floating-stat .stat-number {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.about-floating-stat .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.about-content .about-text {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.highlight-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateX(4px);
}

.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  background: var(--gradient-brand-soft);
}

.highlight-text h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.highlight-text p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-card {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: 0 0 3px 3px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  font-size: 32px;
  margin-bottom: 16px;
  display: inline-block;
}

.stat-number {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   SERVICES / SOLUTIONS SECTION
   ============================================ */
.services-section {
  background: var(--bg-primary);
  position: relative;
}

.services-header {
  text-align: center;
  margin-bottom: 64px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  cursor: pointer;
  group: true;
}

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

.service-card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.service-card:hover .service-card-image img {
  transform: scale(1.08);
}

.service-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(5,10,20,0.8) 100%);
}

.service-card-body {
  padding: 28px;
}

.service-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(220, 38, 38, 0.1);
}

.service-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
  transition: color var(--transition-fast);
}

.service-card:hover h3 {
  color: var(--accent-red-light);
}

.service-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-feature {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.service-feature::before {
  content: '✓';
  color: var(--accent-emerald);
  font-weight: 700;
  font-size: 11px;
}

.service-card-arrow {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition-fast);
  color: var(--text-muted);
}

.service-card:hover .service-card-arrow {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #fff;
  transform: rotate(-45deg);
}

/* ============================================
   VISION / MISSION SECTION
   ============================================ */
.vision-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.vision-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.vision-card {
  padding: 48px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.vision-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease-out);
}

.vision-card:hover::before {
  transform: scaleX(1);
}

.vision-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.vision-card-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.vision-card h3 {
  font-size: 28px;
  margin-bottom: 16px;
}

.vision-card p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   GROUP COMPANIES
   ============================================ */
.companies-section {
  background: var(--bg-primary);
}

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

.company-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}

.company-card::after {
  content: '→';
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 16px;
  color: var(--text-muted);
  opacity: 0;
  transform: translate(-8px, 0);
  transition: all var(--transition-fast);
}

.company-card:hover::after {
  opacity: 1;
  transform: translate(0, 0);
}

.company-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.company-logo-wrapper {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  margin: 0 auto 20px;
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(220, 38, 38, 0.1);
  transition: all var(--transition-fast);
}

.company-card:hover .company-logo-wrapper {
  background: var(--gradient-brand);
  color: #fff;
  transform: scale(1.1);
}

.company-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.company-card .company-abbr {
  font-size: 13px;
  color: var(--accent-red-light);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.company-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.company-card .company-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-red-light);
  transition: gap var(--transition-fast);
}

.company-card:hover .company-link {
  gap: 10px;
}

/* ============================================
   BIOMASS / BIO MISSION SECTION
   ============================================ */
.biomass-section {
  background: var(--bg-secondary);
  position: relative;
}

.biomass-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.biomass-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.bio-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.bio-card:hover {
  border-color: var(--border-accent);
  transform: translateX(4px);
}

.bio-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  background: var(--gradient-brand-soft);
}

.bio-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.bio-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.biomass-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.biomass-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transition: transform 0.8s var(--ease-out);
}

.biomass-image:hover img {
  transform: scale(1.05);
}

/* ============================================
   SLIDER / CAROUSEL SECTION
   ============================================ */
.slider-section {
  background: var(--bg-primary);
  overflow: hidden;
}

.slider-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.slider-track {
  display: flex;
  transition: transform 0.6s var(--ease-out);
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide-image {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,10,20,0.9) 0%, rgba(5,10,20,0.4) 60%, transparent 100%);
  display: flex;
  align-items: center;
  padding: 60px;
}

.slide-content {
  max-width: 480px;
}

.slide-content h3 {
  font-size: 32px;
  margin-bottom: 16px;
}

.slide-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.slider-nav {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-medium);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--accent-red);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(220,38,38,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 20px;
  margin-bottom: 8px;
  margin-top: 24px;
}

.contact-info h3:first-child {
  margin-top: 0;
}

.contact-info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-info a {
  color: var(--accent-red-light);
  transition: color var(--transition-fast);
}

.contact-info a:hover {
  color: var(--accent-gold);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--border-accent);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--gradient-brand-soft);
  flex-shrink: 0;
}

.contact-item-text {
  font-size: 14px;
  color: var(--text-secondary);
}

.contact-item-text strong {
  display: block;
  color: var(--text-primary);
  font-size: 15px;
  margin-bottom: 2px;
}

/* Contact Form */
.contact-form {
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.contact-form h3 {
  font-size: 24px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 16px;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #fff;
  transform: translateY(-3px);
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-column a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-column a:hover {
  color: var(--text-primary);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--accent-red-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-grid,
  .biomass-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 10, 20, 0.97);
    backdrop-filter: blur(30px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 80px 24px;
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 20px;
    padding: 12px 24px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 12px;
  }

  .hero h1 {
    font-size: clamp(32px, 8vw, 48px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 24px 16px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .about-floating-stat {
    bottom: 12px;
    right: 12px;
    padding: 14px 20px;
  }

  .slide-overlay {
    padding: 30px;
  }

  .slide-content h3 {
    font-size: 24px;
  }

  .slide-image {
    height: 320px;
  }

  .contact-form {
    padding: 24px;
  }

  .vision-card {
    padding: 32px;
  }
}

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

  .hero {
    padding: 100px 0 60px;
  }

  .section {
    padding: clamp(40px, 8vw, 80px) 0;
  }
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  width: 180px;
  height: 80px;
  animation: pulse-loader 1.5s ease infinite;
}

@keyframes pulse-loader {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

/* ============================================
   ANIMATED TYPING CURSOR
   ============================================ */
.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--accent-red);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ============================================
   PARTICLES CANVAS
   ============================================ */
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-fast);
  z-index: 100;
  box-shadow: 0 4px 20px rgba(220, 38, 38, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(220, 38, 38, 0.4);
}