/* ==========================================================================
   Himachal Technomatic Builders Pvt. Ltd.
   Theme & Stylesheet - Dual Theme (Light Brochure & Dark Architectural)
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables & Theme Definitions
   -------------------------------------------------------------------------- */
:root, [data-theme="light"] {
  /* Brochure Authentic Colors */
  --brochure-blue-dark: #00409a;       /* Main title royal blue */
  --brochure-blue-mid: #0071bb;        /* Mid sapphire blue */
  --brochure-cyan-deep: #0095d9;       /* Geometric polygon primary */
  --brochure-cyan: #00a4de;            /* Geometric polygon bright */
  --brochure-cyan-light: #00bfe8;       /* Crystalline facet highlight */
  --brochure-cyan-soft: #6dc7f0;        /* Light sky polygon accent */
  --brochure-crimson: #d92b2b;          /* Glorified Achievements accent */
  --brochure-crimson-light: #ef4444;    
  --brochure-gold: #c69214;             /* Recognition frame gold */
  --brochure-gold-light: #e5b342;
  
  /* Backgrounds & Neutrals (Light Brochure) */
  --bg-main: #ffffff;
  --bg-alt: #f0f7fd;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.92);
  --bg-header-scrolled: #ffffff;
  --bg-input: #f8fafc;
  --bg-hero: linear-gradient(135deg, #ffffff 0%, #f4faff 60%, #e6f4fc 100%);
  --bg-cert: linear-gradient(180deg, #f0f7fd 0%, #e2f0fc 100%);
  --bg-cert-img: #f8fafc;
  --bg-leader-card: #ffffff;
  --bg-compliance: linear-gradient(135deg, var(--brochure-blue-dark), #092c5e);
  --bg-footer: #07152b;
  
  /* Text & Typography */
  --text-primary: #00409a;
  --text-heading: #00409a;
  --text-card-title: #0a192f;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-light: #f8fafc;
  
  /* Borders & Shadows */
  --border-subtle: rgba(0, 113, 187, 0.12);
  --border-card: rgba(0, 113, 187, 0.15);
  --border-cyan: rgba(0, 164, 222, 0.35);
  --border-gold: rgba(198, 146, 20, 0.4);
  
  --shadow-sm: 0 4px 15px rgba(0, 64, 154, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 64, 154, 0.1);
  --shadow-lg: 0 20px 45px rgba(0, 64, 154, 0.15);
  --shadow-cyan: 0 8px 25px rgba(0, 164, 222, 0.25);
  
  /* Body Backdrop */
  --body-pattern: 
    radial-gradient(circle at 5% 10%, rgba(0, 164, 222, 0.05) 0%, transparent 35%),
    radial-gradient(circle at 95% 45%, rgba(0, 64, 154, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 10% 80%, rgba(0, 191, 232, 0.04) 0%, transparent 45%);
}

[data-theme="dark"] {
  /* Brochure Authentic Colors (Adapted for Dark Contrast) */
  --brochure-blue-dark: #38bdf8;       /* Highlight cyan-sky for headings */
  --brochure-blue-mid: #0284c7;        
  --brochure-cyan-deep: #38bdf8;       
  --brochure-cyan: #0ea5e9;            
  --brochure-cyan-light: #7dd3fc;       
  --brochure-cyan-soft: #bae6fd;        
  --brochure-crimson: #f87171;          
  --brochure-crimson-light: #fca5a5;    
  --brochure-gold: #e5b342;             
  --brochure-gold-light: #fde047;
  
  /* Backgrounds & Neutrals (Dark Architectural) */
  --bg-main: #070e1b;
  --bg-alt: #0a1424;
  --bg-card: rgba(16, 29, 49, 0.75);
  --bg-card-hover: rgba(22, 40, 68, 0.88);
  --bg-header: rgba(7, 14, 27, 0.85);
  --bg-header-scrolled: rgba(7, 14, 27, 0.95);
  --bg-input: rgba(7, 14, 27, 0.7);
  --bg-hero: radial-gradient(circle at 15% 15%, rgba(2, 132, 199, 0.12) 0%, transparent 50%), radial-gradient(circle at 85% 65%, rgba(229, 179, 66, 0.08) 0%, transparent 50%), #070e1b;
  --bg-cert: linear-gradient(180deg, #070e1b 0%, #0c182b 50%, #070e1b 100%);
  --bg-cert-img: #081220;
  --bg-leader-card: rgba(16, 29, 49, 0.75);
  --bg-compliance: linear-gradient(135deg, rgba(13, 26, 45, 0.95), rgba(22, 39, 66, 0.85));
  --bg-footer: #040912;
  
  /* Text & Typography */
  --text-primary: #f8fafc;
  --text-heading: #f8fafc;
  --text-card-title: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-light: #f8fafc;
  
  /* Borders & Shadows */
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-card: rgba(148, 163, 184, 0.15);
  --border-cyan: rgba(56, 189, 248, 0.35);
  --border-gold: rgba(229, 179, 66, 0.35);
  
  --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.65);
  --shadow-cyan: 0 8px 25px rgba(56, 189, 248, 0.25);
  
  /* Body Pattern */
  --body-pattern: 
    radial-gradient(circle at 10% 15%, rgba(2, 132, 199, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 65%, rgba(229, 179, 66, 0.06) 0%, transparent 45%);
}

/* Global Tokens */
:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-secondary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-image: var(--body-pattern);
  transition: background-color var(--transition), color var(--transition);
}

::selection {
  background: var(--brochure-cyan);
  color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.22;
  transition: color var(--transition);
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 85px 0;
  position: relative;
  transition: background var(--transition);
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 55px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 164, 222, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--brochure-blue-mid);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  transition: all var(--transition);
}

[data-theme="dark"] .section-badge {
  background: rgba(56, 189, 248, 0.12);
  color: var(--brochure-cyan-light);
}

.section-badge-crimson {
  background: rgba(217, 43, 43, 0.1);
  border-color: rgba(217, 43, 43, 0.3);
  color: var(--brochure-crimson);
}

.section-title {
  font-size: clamp(2.1rem, 3.8vw, 2.9rem);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--text-heading);
}

.section-title span {
  color: var(--brochure-cyan-deep);
}

.section-description {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-header);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition);
}

.site-header.scrolled {
  background: var(--bg-header-scrolled);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border-cyan);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-emblem {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #00409a, #00a4de);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-cyan);
  color: #ffffff;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text-heading);
  line-height: 1.1;
  transition: color var(--transition);
}

.brand-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--brochure-cyan-deep);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-heading);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--brochure-cyan-deep), var(--brochure-cyan-light));
  transition: width var(--transition);
  border-radius: 2px;
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Theme Switcher Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border-subtle);
  color: var(--text-heading);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  border-color: var(--brochure-cyan);
  transform: scale(1.05);
  box-shadow: var(--shadow-cyan);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
}

/* Button Utilities */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00409a, #0095d9);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 64, 154, 0.25);
}

[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #070e1b;
  box-shadow: 0 8px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 164, 222, 0.35);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-heading);
  border: 1.5px solid var(--border-cyan);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: var(--brochure-cyan-deep);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.88rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-heading);
  cursor: pointer;
  padding: 6px;
}

.menu-toggle svg {
  width: 30px;
  height: 30px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 155px;
  padding-bottom: 90px;
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--bg-hero);
  overflow: hidden;
  transition: background var(--transition);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: -50px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 164, 222, 0.12) 0%, rgba(0, 191, 232, 0.05) 50%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 164, 222, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--text-heading);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 22px;
  color: var(--text-heading);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--brochure-blue-dark) 0%, var(--brochure-cyan-deep) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 35px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 45px;
}

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 30px;
  border-top: 1.5px solid var(--border-subtle);
}

.stat-item h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--brochure-cyan-deep);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Hero Media Card */
.hero-media-wrapper {
  position: relative;
}

.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 3px solid var(--border-cyan);
  box-shadow: var(--shadow-lg);
  background: var(--bg-card);
}

.hero-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.hero-card:hover img {
  transform: scale(1.03);
}

.hero-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 24px 20px;
  background: linear-gradient(to top, rgba(7, 21, 43, 0.95) 0%, rgba(7, 21, 43, 0.6) 65%, transparent 100%);
  color: #ffffff;
}

.hero-floating-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-heading);
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Brochure Ribbon
   ========================================================================== */
.brochure-ribbon {
  background: linear-gradient(135deg, #00409a 0%, #0056b3 50%, #0095d9 100%);
  color: #ffffff;
  padding: 24px 0;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .brochure-ribbon {
  background: linear-gradient(135deg, #0a1c36 0%, #0d284f 50%, #0369a1 100%);
  border-top: 1px solid var(--border-cyan);
  border-bottom: 1px solid var(--border-cyan);
}

.ribbon-flex {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
  text-align: center;
}

.ribbon-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.ribbon-item svg {
  color: var(--brochure-cyan-light);
  flex-shrink: 0;
}

/* ==========================================================================
   Legacy & Key Pillars Section
   ========================================================================== */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
  align-items: center;
}

.overview-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.overview-text .lead {
  color: var(--text-heading);
  font-size: 1.25rem;
  font-weight: 700;
  border-left: 4px solid var(--brochure-cyan-deep);
  padding-left: 18px;
  margin-bottom: 24px;
  line-height: 1.5;
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--brochure-cyan-deep);
  transition: height var(--transition);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-cyan);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

.pillar-card:hover::before {
  height: 100%;
}

.pillar-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 164, 222, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--brochure-cyan-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.pillar-card h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Certifications & Recognitions Gallery
   ========================================================================== */
.cert-section {
  background: var(--bg-cert);
  position: relative;
  transition: background var(--transition);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
}

.cert-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.cert-card:hover {
  transform: translateY(-6px);
  border-color: var(--brochure-cyan-deep);
  box-shadow: var(--shadow-lg);
}

.cert-img-container {
  height: 300px;
  background: var(--bg-cert-img);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition);
}

.cert-img-container img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.12));
}

.cert-card:hover .cert-img-container img {
  transform: scale(1.04);
}

.cert-zoom-hint {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 64, 154, 0.9);
  color: #ffffff;
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .cert-zoom-hint {
  background: rgba(2, 132, 199, 0.9);
}

.cert-card:hover .cert-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

.cert-details {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cert-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.cert-tag {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--brochure-cyan-deep);
  letter-spacing: 0.6px;
}

.cert-year {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 700;
}

.cert-details h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.cert-details p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.cert-view-btn {
  margin-top: auto;
  color: var(--brochure-cyan-deep);
  font-size: 0.88rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

/* ==========================================================================
   Projects Showcase Section
   ========================================================================== */
.projects-filter-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 45px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  color: var(--text-secondary);
  padding: 9px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--brochure-cyan-deep);
  border-color: var(--brochure-cyan-deep);
  color: #ffffff;
  box-shadow: var(--shadow-cyan);
}

[data-theme="dark"] .filter-btn.active {
  color: #070e1b;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 26px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  backdrop-filter: blur(8px);
}

.project-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--bg-card-hover);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.project-category-badge {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.category-heritage {
  background: rgba(217, 43, 43, 0.12);
  color: var(--brochure-crimson);
  border: 1px solid rgba(217, 43, 43, 0.25);
}

.category-institutional {
  background: rgba(0, 164, 222, 0.12);
  color: var(--brochure-cyan-deep);
  border: 1px solid var(--border-cyan);
}

.category-infrastructure {
  background: rgba(139, 92, 246, 0.12);
  color: #8b5cf6;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

[data-theme="dark"] .category-infrastructure {
  color: #c084fc;
}

.project-year {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--brochure-cyan-deep);
}

.project-card h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text-card-title);
  line-height: 1.35;
}

.project-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-meta-list {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-meta-item svg {
  color: var(--brochure-cyan-deep);
}

/* ==========================================================================
   Leadership & Corporate Governance
   (NO director photograph used, only name & designations)
   ========================================================================== */
.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 920px;
  margin: 0 auto;
}

.leader-card {
  background: var(--bg-leader-card);
  border: 1.5px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.leader-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--brochure-blue-mid);
}

.leader-avatar-badge {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 22px auto;
  background: linear-gradient(135deg, #00409a, #00a4de);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-cyan);
}

[data-theme="dark"] .leader-avatar-badge {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #070e1b;
}

.leader-avatar-badge svg {
  width: 38px;
  height: 38px;
}

.leader-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-heading);
}

.leader-role {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--brochure-cyan-deep);
  margin-bottom: 18px;
  padding: 5px 16px;
  background: rgba(0, 164, 222, 0.12);
  border-radius: var(--radius-full);
}

.leader-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Registration & Compliance Box
   ========================================================================== */
.compliance-box {
  background: var(--bg-compliance);
  border-radius: var(--radius-lg);
  padding: 45px;
  margin-top: 60px;
  box-shadow: var(--shadow-lg);
  color: #ffffff;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 25px;
}

.compliance-item {
  display: flex;
  flex-direction: column;
}

.compliance-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--brochure-cyan-light);
  font-weight: 700;
  margin-bottom: 6px;
}

.compliance-value {
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
}

.compliance-subtext {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-top: 4px;
}

/* ==========================================================================
   Contact & Inquiry Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.info-card:hover {
  border-color: var(--border-cyan);
  box-shadow: var(--shadow-md);
}

.info-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 164, 222, 0.12);
  border: 1px solid var(--border-cyan);
  color: var(--brochure-cyan-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-content h4 {
  font-size: 1.15rem;
  margin-bottom: 4px;
  color: var(--text-heading);
}

.info-content p, .info-content a {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-content a:hover {
  color: var(--brochure-cyan-deep);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1.5px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-card-title);
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-input);
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-card-title);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--brochure-cyan-deep);
  box-shadow: 0 0 0 3px rgba(0, 164, 222, 0.2);
  background: var(--bg-card);
}

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

/* ==========================================================================
   Modal / Lightbox
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 21, 43, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}

.modal-backdrop.active {
  display: flex;
  opacity: 1;
}

.modal-content-box {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform var(--transition);
  border: 1px solid var(--border-cyan);
}

.modal-backdrop.active .modal-content-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 1.25rem;
  color: var(--text-heading);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close-btn:hover {
  color: var(--brochure-crimson);
  background: rgba(217, 43, 43, 0.1);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--bg-cert-img);
}

.modal-body img {
  max-height: 65vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  margin-bottom: 16px;
}

.modal-caption {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 700px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-footer);
  color: #94a3b8;
  padding: 65px 0 30px;
  font-size: 0.92rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  color: #ffffff;
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.footer-brand p {
  max-width: 380px;
  line-height: 1.7;
}

.footer-links h5, .footer-contact h5 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--brochure-cyan-light);
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 0.84rem;
}

/* ==========================================================================
   Mobile Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .overview-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 16px;
    border-bottom: 2px solid var(--brochure-cyan-deep);
    display: none;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-link {
    font-size: 1.05rem;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .header-cta .btn {
    display: none;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-stats-bar {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .compliance-box {
    padding: 26px;
  }
}