/* ============================================
   LimeTerra — Eco-Friendly Construction
   Chettinad Tile & Terracotta Inspired Theme
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Chettinad-inspired palette */
  --terracotta: #B7410E;
  --terracotta-dark: #8C3209;
  --terracotta-light: #D4632E;
  --cream: #F5E6CC;
  --cream-light: #FDF6EC;
  --cream-dark: #E8D5B5;
  --ochre: #CC7722;
  --ochre-gold: #DAA520;
  --deep-brown: #3D1C0E;
  --charcoal: #1A1A1A;
  --soft-black: #2D2320;
  --warm-white: #FEFBF6;
  --warm-gray: #A89888;
  --olive-green: #4A6741;
  --sage-green: #6B8E6B;

  /* Gradients */
  --gradient-terra: linear-gradient(135deg, #B7410E 0%, #D4632E 50%, #CC7722 100%);
  --gradient-earth: linear-gradient(135deg, #3D1C0E 0%, #5C2018 50%, #8C3209 100%);
  --gradient-cream: linear-gradient(180deg, #FDF6EC 0%, #F5E6CC 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(61, 28, 14, 0.7) 0%, rgba(183, 65, 14, 0.4) 100%);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', 'Outfit', system-ui, sans-serif;

  /* Spacing */
  --section-pad: clamp(4rem, 8vw, 8rem);
  --content-max: 1200px;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --duration: 0.5s;
  --duration-fast: 0.3s;
  --duration-slow: 0.8s;

  /* Misc */
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(61, 28, 14, 0.08);
  --shadow-md: 0 8px 24px rgba(61, 28, 14, 0.12);
  --shadow-lg: 0 16px 48px rgba(61, 28, 14, 0.16);
  --shadow-glow: 0 0 30px rgba(183, 65, 14, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--soft-black);
  background-color: var(--warm-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--deep-brown);
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

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

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  text-align: center;
  margin-bottom: 0.5rem;
  position: relative;
}

.section-subtitle {
  text-align: center;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--warm-gray);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-weight: 400;
}

.chettinad-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 1.2rem auto 2rem;
}

.chettinad-divider::before,
.chettinad-divider::after {
  content: '';
  width: 60px;
  height: 2px;
  background: var(--gradient-terra);
  border-radius: 2px;
}

.chettinad-divider .diamond {
  width: 10px;
  height: 10px;
  background: var(--terracotta);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.highlight {
  color: var(--terracotta);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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


/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--duration) var(--ease-smooth),
    padding var(--duration) var(--ease-smooth),
    box-shadow var(--duration) var(--ease-smooth);
}

.navbar.scrolled {
  background: rgba(254, 251, 246, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 0.5rem 0;
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

.nav-logo img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  transition: transform var(--duration-fast) var(--ease-bounce);
}

.nav-logo:hover img {
  transform: rotate(-8deg) scale(1.05);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--warm-white);
  transition: color var(--duration-fast) var(--ease-smooth);
}

.navbar.scrolled .nav-logo-text {
  color: var(--deep-brown);
}

.nav-logo-text span {
  color: var(--terracotta-light);
}

.navbar.scrolled .nav-logo-text span {
  color: var(--terracotta);
}

.nav-links {
  display: flex;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: center;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.02em;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.navbar.scrolled .nav-links a {
  color: var(--soft-black);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  border-radius: 2px;
  transition: width var(--duration-fast) var(--ease-bounce);
}

.nav-links a:hover {
  color: var(--terracotta-light);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-terra) !important;
  color: white !important;
  padding: 10px 24px !important;
  border-radius: 50px;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 15px rgba(183, 65, 14, 0.3);
  transition: transform var(--duration-fast) var(--ease-bounce),
    box-shadow var(--duration-fast) var(--ease-smooth) !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 25px rgba(183, 65, 14, 0.4);
}

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

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--warm-white);
  border-radius: 4px;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.navbar.scrolled .nav-toggle span {
  background: var(--deep-brown);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}


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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
  transition: transform 12s linear;
}

.hero:hover .hero-bg img {
  transform: scale(1.04);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 2;
  height: 80px;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--warm-white);
  padding: 0 1.5rem;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeSlideDown 1s var(--ease-out) 0.3s both;
}

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

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  color: var(--warm-white);
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
  animation: fadeSlideDown 1s var(--ease-out) 0.5s both;
}

.hero h1 .line-accent {
  color: var(--ochre-gold);
}

.hero-desc {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  line-height: 1.7;
  opacity: 0.9;
  max-width: 650px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
  animation: fadeSlideDown 1s var(--ease-out) 0.7s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeSlideDown 1s var(--ease-out) 0.9s both;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-terra);
  color: white;
  padding: 16px 36px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(183, 65, 14, 0.35);
  transition: transform var(--duration-fast) var(--ease-bounce),
    box-shadow var(--duration-fast) var(--ease-smooth);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(183, 65, 14, 0.45);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: white;
  padding: 15px 36px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  border: 2px solid rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeSlideDown 1s var(--ease-out) 1.2s both;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  position: relative;
}

.scroll-mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 3px;
  animation: scroll-wheel 2s infinite;
}

/* Hero stats bar */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 4;
  background: rgba(61, 28, 14, 0.85);
  backdrop-filter: blur(15px);
  padding: 1.5rem 0;
}

.hero-stats .container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1rem;
}

.stat-item {
  text-align: center;
  color: var(--warm-white);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--ochre-gold);
  display: block;
}

.stat-label {
  font-size: 0.82rem;
  opacity: 0.75;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}


/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--gradient-cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

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

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--terracotta);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-smooth);
}

.about-image:hover::after {
  opacity: 1;
}

.about-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1.2rem;
}

.about-content p {
  line-height: 1.8;
  color: var(--soft-black);
  margin-bottom: 1rem;
  font-size: 1.02rem;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  border: 1px solid rgba(183, 65, 14, 0.1);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.pillar:hover {
  background: white;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  border-color: var(--terracotta);
}

.pillar-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  border-radius: 10px;
}

.pillar h4 {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--deep-brown);
  margin-bottom: 2px;
}

.pillar p {
  font-size: 0.82rem;
  color: var(--warm-gray);
  margin: 0 !important;
  line-height: 1.4;
}


/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products {
  background: var(--warm-white);
}

.products-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 28px;
  border: 2px solid var(--cream-dark);
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--soft-black);
  transition: all var(--duration-fast) var(--ease-smooth);
}

.tab-btn:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}

.tab-btn.active {
  background: var(--gradient-terra);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px rgba(183, 65, 14, 0.25);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--cream-dark);
  transition: all var(--duration) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-terra);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease-smooth);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: transparent;
}

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

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  transition: transform var(--duration-fast) var(--ease-bounce);
}

.product-card:hover .product-icon {
  transform: scale(1.1) rotate(-5deg);
}

.product-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.product-card p {
  font-size: 0.9rem;
  color: var(--warm-gray);
  line-height: 1.6;
}

.product-tag {
  display: inline-block;
  margin-top: 1rem;
  padding: 4px 14px;
  background: var(--cream);
  color: var(--terracotta);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.products-image {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-height: 400px;
}

.products-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.products-image:hover img {
  transform: scale(1.03);
}


/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  background: var(--deep-brown);
  color: var(--warm-white);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 65, 14, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.services .section-title {
  color: var(--warm-white);
}

.services .section-subtitle {
  color: rgba(255, 255, 255, 0.55);
}

.services .chettinad-divider .diamond {
  background: var(--ochre-gold);
}

.services .chettinad-divider::before,
.services .chettinad-divider::after {
  background: var(--ochre-gold);
}

.services-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* Task-based services */
.task-services h3 {
  font-size: 1.3rem;
  color: var(--ochre-gold);
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 1.2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0.8rem;
  transition: all var(--duration-fast) var(--ease-smooth);
  cursor: default;
}

.service-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(183, 65, 14, 0.3);
  transform: translateX(8px);
}

.service-item .s-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.service-item h4 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--warm-white);
  font-family: var(--font-body);
  margin-bottom: 4px;
}

.service-item p {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

.service-price {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 12px;
  background: rgba(218, 165, 32, 0.15);
  color: var(--ochre-gold);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* Packages */
.packages h3 {
  font-size: 1.3rem;
  color: var(--ochre-gold);
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.package-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
  transition: all var(--duration-fast) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.package-card:hover {
  border-color: var(--terracotta);
  background: rgba(255, 255, 255, 0.03);
}

.package-card.featured {
  border-color: var(--ochre-gold);
  background: rgba(218, 165, 32, 0.05);
}

.package-card.featured::after {
  content: 'POPULAR';
  position: absolute;
  top: 12px;
  right: -28px;
  background: var(--ochre-gold);
  color: var(--deep-brown);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 30px;
  transform: rotate(45deg);
  letter-spacing: 0.08em;
}

.package-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--warm-white);
  font-family: var(--font-body);
  margin-bottom: 4px;
}

.package-price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ochre-gold);
  margin-bottom: 8px;
}

.package-price span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-body);
}

.package-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

.package-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.package-features span {
  padding: 3px 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.65);
}


/* ============================================
   PROCESS SECTION
   ============================================ */
.process {
  background: var(--cream-light);
  position: relative;
}

.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cream-dark);
  border-radius: 3px;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  padding: 1.5rem 0;
  position: relative;
}

.step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--cream-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--terracotta);
  z-index: 1;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.process-step:hover .step-number {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: white;
  box-shadow: 0 0 20px rgba(183, 65, 14, 0.3);
}

.step-content {
  flex: 1;
  padding-top: 0.5rem;
}

.step-content h3 {
  font-size: 1.1rem;
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: 6px;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.process-step:hover .step-content h3 {
  color: var(--terracotta);
}

.step-content p {
  font-size: 0.9rem;
  color: var(--warm-gray);
  line-height: 1.6;
}


/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
  background: var(--warm-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: 1rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 3rem 1.5rem 1.5rem;
  background: linear-gradient(to top, rgba(61, 28, 14, 0.85) 0%, transparent 100%);
  color: white;
  transform: translateY(100%);
  transition: transform var(--duration) var(--ease-smooth);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

.gallery-caption h4 {
  font-size: 1rem;
  color: white;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 3px;
}

.gallery-caption p {
  font-size: 0.82rem;
  opacity: 0.75;
}


/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
  background: var(--gradient-cream);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(183, 65, 14, 0.05);
  transition: all var(--duration) var(--ease-smooth);
  position: relative;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.testimonial-card::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--terracotta);
  opacity: 0.15;
  position: absolute;
  top: 10px;
  left: 20px;
  line-height: 1;
}

.testimonial-stars {
  color: var(--ochre-gold);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--soft-black);
  font-style: italic;
  margin-bottom: 1.2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-terra);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.author-info .author-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--deep-brown);
}

.author-info .author-role {
  font-size: 0.8rem;
  color: var(--warm-gray);
}


/* ============================================
   CTA / CONTACT SECTION
   ============================================ */
.contact {
  background: var(--deep-brown);
  color: var(--warm-white);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 65, 14, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.contact .section-title {
  color: var(--warm-white);
}

.contact .section-subtitle {
  color: rgba(255, 255, 255, 0.55);
}

.contact .chettinad-divider .diamond {
  background: var(--ochre-gold);
}

.contact .chettinad-divider::before,
.contact .chettinad-divider::after {
  background: var(--ochre-gold);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-item .ci-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-info-item h4 {
  font-size: 0.95rem;
  color: var(--warm-white);
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.55);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: var(--warm-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--duration-fast) var(--ease-smooth);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--terracotta);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(183, 65, 14, 0.15);
}

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

.form-group select option {
  background: var(--deep-brown);
  color: var(--warm-white);
}

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-terra);
  color: white;
  padding: 16px 40px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(183, 65, 14, 0.35);
  transition: transform var(--duration-fast) var(--ease-bounce),
    box-shadow var(--duration-fast) var(--ease-smooth);
  margin-top: 0.5rem;
  width: fit-content;
}

.form-submit:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(183, 65, 14, 0.45);
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.5);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo-text {
  font-size: 1.3rem;
  color: var(--warm-white);
  margin-bottom: 0.8rem;
  display: block;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 300px;
  margin-bottom: 1.2rem;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--duration-fast) var(--ease-bounce);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-social a:hover {
  background: var(--terracotta);
  color: white;
  transform: translateY(-3px);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--warm-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  padding: 5px 0;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.footer-col a:hover {
  color: var(--terracotta-light);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
}

.footer-bottom a {
  transition: color var(--duration-fast);
}

.footer-bottom a:hover {
  color: var(--terracotta-light);
}


/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-25px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scroll-wheel {
  0% {
    opacity: 0.7;
    transform: translateX(-50%) translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes counter-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(-360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -400% 0;
  }

  100% {
    background-position: 400% 0;
  }
}

/* Loading shimmer for images */
.shimmer {
  background: linear-gradient(90deg, var(--cream) 25%, var(--cream-light) 50%, var(--cream) 75%);
  background-size: 400% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

/* Counter animation */
.counter-animated {
  display: inline-block;
  transition: all 0.5s var(--ease-bounce);
}


/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-image {
    max-height: 350px;
  }

  .services-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-item.tall {
    grid-row: span 1;
    aspect-ratio: 4/3;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}


/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  /* Mobile nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--deep-brown);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    transition: right var(--duration) var(--ease-smooth);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85) !important;
  }

  .nav-links a:hover {
    color: var(--ochre-gold) !important;
  }

  .nav-cta {
    margin-top: 1rem;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .mobile-overlay.active {
    display: block;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
  }

  .hero-stats .container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .stat-item {
    flex: 1 1 45%;
    padding: 0.5rem 0;
  }

  .hero-scroll {
    bottom: 120px;
  }

  /* Sections */
  .about-pillars {
    grid-template-columns: 1fr;
  }

  .products-tabs {
    gap: 0.3rem;
  }

  .tab-btn {
    padding: 8px 18px;
    font-size: 0.82rem;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .process-timeline::before {
    left: 28px;
  }

  .step-number {
    width: 54px;
    height: 54px;
    font-size: 1rem;
  }

  .process-step {
    gap: 1.2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    max-width: 300px;
  }

  .stat-item {
    flex: 1 1 100%;
  }
}

/* ---------- Prefers Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   KNOWLEDGE BASE PAGE STYLES
   ============================================ */

.knowledge-page .navbar {
  background: var(--warm-white);
  box-shadow: var(--shadow-sm);
}

.knowledge-page .navbar.scrolled {
  background: rgba(254, 251, 246, 0.95);
}

.knowledge-hero {
  padding: 160px 0 80px;
  background-color: var(--cream-light);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--cream-dark);
}

.knowledge-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(183, 65, 14, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 65, 14, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  opacity: 0.5;
  z-index: 0;
}

.knowledge-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.knowledge-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  color: var(--deep-brown);
}

.knowledge-hero p {
  font-size: 1.1rem;
  color: var(--soft-black);
  opacity: 0.8;
}

.knowledge-main {
  background-color: var(--warm-white);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}

.knowledge-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(61, 28, 14, 0.06);
  transition: transform var(--duration-fast) var(--ease-bounce), box-shadow var(--duration-fast) var(--ease-smooth);
  border: 1px solid rgba(183, 65, 14, 0.1);
  display: flex;
  flex-direction: column;
}

.knowledge-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(183, 65, 14, 0.3);
}

/* Image Placeholder Style */
.article-image {
  height: 220px;
  background: var(--gradient-cream);
  border-bottom: 2px solid var(--terracotta);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--terracotta);
  transition: opacity var(--duration-fast) var(--ease-smooth);
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder-img {
  background: var(--cream-light);
  color: var(--ochre);
  gap: 1rem;
}

.placeholder-img i {
  font-size: 3rem;
  opacity: 0.8;
}

.placeholder-img span {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.article-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-content h2 {
  font-size: 1.25rem;
  color: var(--deep-brown);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.article-content p {
  font-size: 0.95rem;
  color: var(--soft-black);
  opacity: 0.8;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  flex-grow: 1;
}

.read-time {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--terracotta);
  background: var(--cream-light);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  align-self: flex-start;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.knowledge-card:hover .read-time {
  background: var(--terracotta);
  color: white;
}

/* Specific Delay Utilities for Grid */
.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}


/* Knowledge Page Navbar Text Fix */
.knowledge-page .navbar .nav-logo-text,
.knowledge-page .navbar.scrolled .nav-logo-text {
  color: var(--charcoal) !important;
}

.knowledge-page .navbar .nav-logo-text span,
.knowledge-page .navbar.scrolled .nav-logo-text span {
  color: var(--terracotta) !important;
}