/* ==========================================================================
   SHYAM BROTHERS INDUSTRIES - CORE STYLESHEET
   Domain: shyambrothers.com
   Theme: Dark Industrial Premium
   ========================================================================== */

/* ==========================================================================
   1. GOOGLE FONTS IMPORT
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================================
   2. CSS CUSTOM PROPERTIES (:root)
   ========================================================================== */
:root {
  /* Color Palette */
  --primary: #1a1a2e;                 /* Deep Navy/Charcoal - main background */
  --secondary: #16213e;               /* Dark Blue-Grey - alt sections, cards */
  --accent: #d4a843;                  /* Gold/Amber - highlights, accents, CTAs */
  --accent-hover: #c49a3a;            /* Darker gold - hover states */
  --steel: #a8b2c1;                   /* Steel Grey - secondary text, borders */
  --steel-light: #c5cdd8;             /* Light steel grey */
  --white: #f5f5f5;                   /* Off-white - headings, primary text on dark */
  --pure-white: #ffffff;
  --text: #e0e0e0;                    /* Body text color */
  --text-muted: #8892a4;              /* Muted/subtle text */
  --deep-blue: #0f3460;               /* Deep Blue - gradients, nav hover */
  --dark: #0d0d1a;                    /* Darkest shade - footer bg */
  
  /* Component / Surface Variables */
  --card-bg: rgba(22, 33, 62, 0.6);   /* Card backgrounds with slight transparency */
  --border: rgba(168, 178, 193, 0.15); /* Subtle borders */
  --border-focus: rgba(212, 168, 67, 0.6);
  
  /* Animations & Transitions */
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Box Shadows */
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.2);
  --shadow-gold: 0 4px 20px rgba(212, 168, 67, 0.25);
  
  /* Border Radii */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
}

/* ==========================================================================
   3. RESET (*, html, body)
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--primary);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(15, 52, 96, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(212, 168, 67, 0.05) 0%, transparent 40%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
  font: inherit;
}

/* ==========================================================================
   4. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  color: var(--white);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.6em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
}

h5 {
  font-size: 1.1rem;
  font-weight: 500;
}

h6 {
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text);
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  color: var(--accent-hover);
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   5. LAYOUT UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-sm {
  width: 100%;
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ==========================================================================
   6. NAVBAR STYLES
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  padding: 22px 0;
  z-index: 1000;
  background: transparent;
  transition: padding 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(13, 13, 26, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 1100;
}

.logo-img {
  height: 45px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--steel-light);
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 0;
  position: relative;
  text-decoration: none;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--white);
}

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

.nav-link.active {
  color: var(--accent);
  font-weight: 600;
}

/* Hamburger Menu Button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--white);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
  background-color: var(--accent);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
  background-color: var(--accent);
}

/* Mobile Nav Styles */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: rgba(13, 13, 26, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 110px 35px 40px;
    gap: 22px;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
    border-left: 1px solid var(--border);
    z-index: 1050;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.15rem;
    padding: 10px 0;
    width: 100%;
    display: block;
  }
}

/* ==========================================================================
   7. HERO SECTION
   ========================================================================== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 0 80px;
  background: 
    radial-gradient(circle at 85% 15%, rgba(15, 52, 96, 0.55) 0%, transparent 60%),
    radial-gradient(circle at 10% 85%, rgba(212, 168, 67, 0.12) 0%, transparent 50%),
    linear-gradient(180deg, rgba(26, 26, 46, 0.9) 0%, var(--dark) 100%);
  overflow: hidden;
}

/* Subtle Geometric Pattern Overlay */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(168, 178, 193, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 178, 193, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
}

.hero h1 span,
.hero h1 .accent-text {
  color: var(--accent);
}

.hero p {
  color: var(--steel);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* Hero Plant Image Showcase */
.hero-plant-showcase {
  position: relative;
  z-index: 2;
  margin: 50px auto 0;
  max-width: 1120px;
  width: 100%;
}

.hero-plant-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(212, 168, 67, 0.35);
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.75),
    0 0 40px rgba(212, 168, 67, 0.12);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  background: var(--secondary);
}

.hero-plant-frame:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 30px 70px rgba(0, 0, 0, 0.85),
    0 0 50px rgba(212, 168, 67, 0.22);
}

.hero-plant-img {
  width: 100%;
  height: auto;
  max-height: 560px;
  display: block;
  object-fit: cover;
  object-position: center;
}

.hero-plant-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg, 
    rgba(26, 26, 46, 0.15) 0%, 
    transparent 50%, 
    rgba(13, 13, 26, 0.65) 100%
  );
  pointer-events: none;
}

.hero-plant-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(13, 13, 26, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 22px;
  border-radius: 40px;
  border: 1px solid rgba(212, 168, 67, 0.45);
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: clamp(0.78rem, 1.4vw, 0.9rem);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 3;
}

.live-dot {
  width: 9px;
  height: 9px;
  background: #10b981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@media (max-width: 768px) {
  .hero-plant-showcase {
    margin-top: 35px;
  }
  .hero-plant-badge {
    bottom: 14px;
    left: 14px;
    right: 14px;
    padding: 8px 14px;
    font-size: 0.75rem;
    justify-content: center;
  }
}

/* ==========================================================================
   8. PAGE HERO (for inner pages)
   ========================================================================== */
.page-hero {
  min-height: 42vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 0 60px;
  background: 
    radial-gradient(circle at 75% 20%, rgba(15, 52, 96, 0.45) 0%, transparent 60%),
    linear-gradient(180deg, var(--secondary) 0%, var(--primary) 100%);
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(168, 178, 193, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 178, 193, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 1;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: var(--white);
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--steel-light);
  font-size: 1.05rem;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   9. SECTIONS & SECTION HEADERS
   ========================================================================== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background-color: var(--primary);
}

.section-alt {
  background-color: var(--secondary);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-header h2 {
  color: var(--white);
  position: relative;
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 55px;
  height: 3px;
  background-color: var(--accent);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ==========================================================================
   10. GRID LAYOUTS
   ========================================================================== */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 30px;
}

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

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   11. CARDS
   ========================================================================== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: transparent;
  transition: background-color 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.4);
}

.card:hover::before {
  background-color: var(--accent);
}

.card-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: rgba(212, 168, 67, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover .card-icon {
  background-color: var(--accent);
  color: var(--primary);
  box-shadow: var(--shadow-gold);
}

.card h3 {
  color: var(--white);
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.card p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ==========================================================================
   12. SERVICE CARDS
   ========================================================================== */
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  padding: 45px 35px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.3);
  border-left: 3px solid var(--accent);
}

.service-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  background: rgba(15, 52, 96, 0.4);
  border: 1.5px solid rgba(212, 168, 67, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--accent);
  margin-bottom: 26px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  border-color: var(--accent);
  background: rgba(212, 168, 67, 0.15);
  transform: scale(1.05);
}

.service-card h3 {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 14px;
}

.service-card p {
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

/* ==========================================================================
   13. STATS SECTION
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (min-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
  }
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.stat-item:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-3px);
}

.stat-number {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.5rem, 4vw, 3.2rem);
  color: var(--accent);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================================================
   14. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1.3;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #0d0d1a;
  border-color: var(--accent);
  box-shadow: 0 4px 15px rgba(212, 168, 67, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn-secondary:hover {
  background-color: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--steel);
  color: var(--steel-light);
}

.btn-outline:hover {
  border-color: var(--white);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 38px;
  font-size: 1.05rem;
}

/* ==========================================================================
   15. ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 45px;
  align-items: center;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }
}

.about-text h3 {
  color: var(--white);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: 
    linear-gradient(135deg, rgba(15, 52, 96, 0.6) 0%, rgba(26, 26, 46, 0.95) 100%);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-image-placeholder {
  width: 100%;
  height: 100%;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 25px;
  text-align: center;
  background: 
    radial-gradient(circle at 50% 30%, rgba(15, 52, 96, 0.45) 0%, transparent 70%),
    linear-gradient(135deg, rgba(22, 33, 62, 0.9) 0%, rgba(13, 13, 26, 0.95) 100%);
}

.placeholder-graphic {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.placeholder-icon {
  font-size: 3.5rem;
  line-height: 1;
  margin-bottom: 6px;
  filter: drop-shadow(0 4px 12px rgba(212, 168, 67, 0.3));
}

.placeholder-graphic h3 {
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 2px;
}

.placeholder-tag {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(212, 168, 67, 0.12);
  border: 1px solid rgba(212, 168, 67, 0.3);
  color: var(--steel-light);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.8px;
}

/* Decorative Industrial Corner Accents for Images */
.about-image::after {
  content: '';
  position: absolute;
  top: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  pointer-events: none;
}

/* ==========================================================================
   16. PROCESS FLOW
   ========================================================================== */
.process-flow {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 25px;
  margin: 50px 0 20px;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 180px;
  flex: 1 1 140px;
}

.process-number {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: var(--accent);
  color: var(--primary);
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 15px rgba(212, 168, 67, 0.35);
  transition: var(--transition);
}

.process-step:hover .process-number {
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
}

.process-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
}

.process-arrow {
  color: var(--accent);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .process-arrow {
    display: none;
  }
}

/* ==========================================================================
   17. VALUES / FEATURES
   ========================================================================== */
.value-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 35px 28px;
  transition: var(--transition);
  height: 100%;
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 168, 67, 0.4);
  box-shadow: var(--shadow);
}

.value-card .card-icon {
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.value-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ==========================================================================
   18. MACHINERY SECTION
   ========================================================================== */
.machine-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.machine-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(212, 168, 67, 0.35);
}

.machine-image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, rgba(15, 52, 96, 0.4) 0%, rgba(26, 26, 46, 0.8) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.machine-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.machine-content {
  padding: 30px 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.machine-content h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--white);
}

.machine-content p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.machine-specs {
  list-style: none;
  padding: 0;
  margin: auto 0 0 0;
  border-top: 1px solid var(--border);
  padding-top: 15px;
}

.machine-specs li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--steel-light);
  font-size: 0.88rem;
  line-height: 1.4;
}

.machine-specs li:last-child {
  margin-bottom: 0;
}

.machine-specs li::before {
  content: '■';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.65rem;
  top: 3px;
}

/* ==========================================================================
   19. CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: rgba(212, 168, 67, 0.35);
  transform: translateX(4px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: rgba(212, 168, 67, 0.1);
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
}

.contact-text h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.contact-text p,
.contact-text a {
  color: var(--steel);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 0;
}

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

/* Enhanced Business Information Styling */
.business-info-card {
  padding: 26px 22px;
  margin-top: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.business-info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
}

.business-info-card h4 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.business-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.business-info-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(168, 178, 193, 0.1);
  font-size: 0.9rem;
  line-height: 1.5;
  gap: 12px;
}

.business-info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.business-info-label {
  color: var(--steel-light);
  font-weight: 500;
  min-width: 110px;
}

.business-info-val {
  color: var(--white);
  text-align: right;
  font-weight: 400;
  word-break: break-word;
}

.badge-status-prog {
  display: inline-block;
  background: rgba(212, 168, 67, 0.18);
  color: var(--accent);
  border: 1px solid rgba(212, 168, 67, 0.4);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-status-verified {
  display: inline-block;
  background: rgba(16, 185, 129, 0.18);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

.btn-whatsapp {
  background: #25D366;
  color: #ffffff !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  margin-top: 14px;
  width: 100%;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background: #1ebc59;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

/* Commercial Highlights Grid below contact */
.commercial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.commercial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: var(--transition);
}

.commercial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 168, 67, 0.4);
  box-shadow: var(--shadow);
}

.commercial-card h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.commercial-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   20. FORM STYLES
   ========================================================================== */
.contact-form {
  background: var(--card-bg);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--steel);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(13, 13, 26, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  padding: 13px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: rgba(13, 13, 26, 0.95);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.18);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(168, 178, 193, 0.45);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 600px) {
  .form-row {
    flex-direction: row;
  }
  .form-row .form-group {
    flex: 1;
  }
}

textarea {
  min-height: 150px;
  resize: vertical;
}

/* ==========================================================================
   21. MAP SECTION
   ========================================================================== */
.map-container {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--dark);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}

/* ==========================================================================
   22. CTA BANNER
   ========================================================================== */
.cta-section {
  background: 
    radial-gradient(circle at 20% 50%, rgba(212, 168, 67, 0.12) 0%, transparent 50%),
    linear-gradient(135deg, var(--deep-blue) 0%, var(--primary) 100%);
  text-align: center;
  padding: 85px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.cta-section h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--steel-light);
  max-width: 650px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* ==========================================================================
   23. FOOTER
   ========================================================================== */
.footer {
  background-color: var(--dark);
  padding: 70px 0 30px;
  border-top: 1px solid var(--border);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 600px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
  }
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--accent);
}

.footer-logo {
  max-height: 50px;
  width: auto;
  margin-bottom: 18px;
  display: block;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 20px;
  max-width: 320px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  display: inline-block;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.footer-contact-item a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-contact-item a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(168, 178, 193, 0.1);
  margin-top: 55px;
  padding-top: 25px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   24. SCROLL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

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

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* ==========================================================================
   25. RESPONSIVE BREAKPOINTS (mobile-first)
   ========================================================================== */
/* Default Mobile: (<480px) */
@media (max-width: 479px) {
  .section {
    padding: 70px 0;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .card, .contact-form, .service-card {
    padding: 26px 20px;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* Tablet: (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .section {
    padding: 85px 0;
  }
}

/* Desktop: (1024px+) */
@media (min-width: 1024px) {
  .section {
    padding: 100px 0;
  }
}

/* Large Desktop: (1200px+) */
@media (min-width: 1200px) {
  .container {
    padding-left: 0;
    padding-right: 0;
  }
}

/* ==========================================================================
   26. UTILITY CLASSES
   ========================================================================== */
.text-center { text-align: center !important; }
.text-left   { text-align: left !important; }
.text-right  { text-align: right !important; }

.text-gold   { color: var(--accent) !important; }
.text-steel  { color: var(--steel) !important; }
.text-white  { color: var(--white) !important; }
.text-muted  { color: var(--text-muted) !important; }

.mb-1 { margin-bottom: 1rem !important; }
.mb-2 { margin-bottom: 2rem !important; }
.mb-3 { margin-bottom: 3rem !important; }

.mt-1 { margin-top: 1rem !important; }
.mt-2 { margin-top: 2rem !important; }
.mt-3 { margin-top: 3rem !important; }

.hidden { display: none !important; }

/* Badge */
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.badge-gold {
  background: rgba(212, 168, 67, 0.15);
  color: var(--accent);
  border: 1px solid rgba(212, 168, 67, 0.35);
}

/* Floating Back-to-Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

/* ==========================================================================
   27. CUSTOM SCROLLBAR
   ========================================================================== */
::-webkit-scrollbar {
  width: 9px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent) 0%, var(--deep-blue) 100%);
  border-radius: 4px;
  border: 2px solid var(--dark);
}

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

/* ==========================================================================
   28. SELECTION
   ========================================================================== */
::selection {
  background-color: var(--accent);
  color: var(--dark);
}

::-moz-selection {
  background-color: var(--accent);
  color: var(--dark);
}
