/* ==========================================
   ChemTrack India — Landing Page CSS
   Colors from Logo:
   Navy Blue : #132c54
   Orange    : #f68100
   Green     : #337a12
   White     : #ffffff
   ========================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Noto+Sans:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --navy:       #132c54;
  --navy-dark:  #0a1a35;
  --navy-light: #1e4080;
  --orange:     #f68100;
  --orange-dark:#c96800;
  --green:      #337a12;
  --green-light:#4a9e1a;
  --white:      #ffffff;
  --off-white:  #f8f9fa;
  --gray-light: #e8ecf0;
  --gray:       #6c757d;
  --text-dark:  #1a2332;
  --shadow:     0 4px 20px rgba(19,44,84,0.15);
  --shadow-lg:  0 8px 40px rgba(19,44,84,0.25);
  --radius:     8px;
  --radius-lg:  16px;
  --transition: all 0.3s ease;
}

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.5px;
}

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navy);
  border-bottom: 3px solid var(--orange);
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  object-fit: cover;
}

.nav-title {
  display: flex;
  flex-direction: column;
}

.nav-title span:first-child {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
}

.nav-title span:last-child {
  font-size: 0.65rem;
  color: var(--orange);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(246,129,0,0.2);
}

.nav-btn {
  background: var(--orange) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 8px 20px !important;
  border-radius: var(--radius) !important;
}

.nav-btn:hover {
  background: var(--orange-dark) !important;
  transform: translateY(-1px);
}

.nav-btn-outline {
  border: 1.5px solid rgba(255,255,255,0.4) !important;
}

/* ==========================================
   TRICOLOR BAR (Government Style)
   ========================================== */
.tricolor-bar {
  position: fixed;
  top: 70px;
  left: 0; right: 0;
  z-index: 999;
  display: flex;
  height: 4px;
}

.tricolor-bar span:nth-child(1) { background: var(--orange); flex: 1; }
.tricolor-bar span:nth-child(2) { background: var(--white); flex: 1; border-top: 1px solid #ddd; border-bottom: 1px solid #ddd; }
.tricolor-bar span:nth-child(3) { background: var(--green); flex: 1; }

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  margin-top: 74px;
  min-height: calc(100vh - 74px);
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(246,129,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(51,122,18,0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* India map watermark */
.hero-map-bg {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.04;
  font-size: 20rem;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(246,129,0,0.15);
  border: 1px solid rgba(246,129,0,0.4);
  color: var(--orange);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.hero-title .highlight {
  color: var(--orange);
}

.hero-title .highlight-green {
  color: #5dc928;
}

.hero-tagline {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  font-style: italic;
  margin-bottom: 1.5rem;
  padding-left: 1rem;
  border-left: 3px solid var(--orange);
}

.hero-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: 0.5px;
  border: 2px solid var(--orange);
  font-family: 'Rajdhani', sans-serif;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(246,129,0,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,0.4);
  font-family: 'Rajdhani', sans-serif;
  display: inline-block;
}

.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

/* Hero Stats Cards */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.stat-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
  border-color: rgba(246,129,0,0.4);
}

.stat-card.orange-accent {
  border-top: 3px solid var(--orange);
}

.stat-card.green-accent {
  border-top: 3px solid var(--green-light);
}

.stat-number {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card.green-accent .stat-number {
  color: #5dc928;
}

.stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.5px;
  line-height: 1.3;
}

/* ==========================================
   SECTION: HOW IT WORKS
   ========================================== */
.section {
  padding: 5rem 2rem;
}

.section-gray {
  background: var(--off-white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-badge {
  display: inline-block;
  background: rgba(19,44,84,0.08);
  color: var(--navy);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  border: 1px solid rgba(19,44,84,0.15);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.8rem;
}

.section-title span {
  color: var(--orange);
}

.section-subtitle {
  color: var(--gray);
  font-size: 0.95rem;
  max-width: 600px;
  line-height: 1.6;
}

.title-underline {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--green));
  border-radius: 2px;
  margin: 1rem 0 3rem;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--green));
  z-index: 0;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange);
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 1rem;
  border: 3px solid var(--orange);
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
  display: block;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ==========================================
   SECTION: 4 USER TYPES
   ========================================== */
.users-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.user-card {
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.user-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.user-card.ncb {
  background: linear-gradient(135deg, rgba(19,44,84,0.08), rgba(19,44,84,0.03));
  border-color: rgba(19,44,84,0.2);
}
.user-card.ncb:hover { border-color: var(--navy); }

.user-card.manufacturer {
  background: linear-gradient(135deg, rgba(246,129,0,0.08), rgba(246,129,0,0.03));
  border-color: rgba(246,129,0,0.2);
}
.user-card.manufacturer:hover { border-color: var(--orange); }

.user-card.distributor {
  background: linear-gradient(135deg, rgba(51,122,18,0.08), rgba(51,122,18,0.03));
  border-color: rgba(51,122,18,0.2);
}
.user-card.distributor:hover { border-color: var(--green); }

.user-card.consumer {
  background: linear-gradient(135deg, rgba(14,122,187,0.08), rgba(14,122,187,0.03));
  border-color: rgba(14,122,187,0.2);
}
.user-card.consumer:hover { border-color: #0e7abb; }

.user-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.user-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.user-desc {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 1.2rem;
}

.user-features {
  list-style: none;
  text-align: left;
}

.user-features li {
  font-size: 0.8rem;
  color: var(--gray);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.user-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* ==========================================
   SECTION: KEY FEATURES (3 Unique)
   ========================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  border: 1px solid var(--gray-light);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.feature-card.orange::before { background: var(--orange); }
.feature-card.navy::before   { background: var(--navy); }
.feature-card.green::before  { background: var(--green); }

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-tag {
  display: inline-block;
  background: rgba(246,129,0,0.1);
  color: var(--orange);
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.feature-card.navy .feature-tag {
  background: rgba(19,44,84,0.1);
  color: var(--navy);
}

.feature-card.green .feature-tag {
  background: rgba(51,122,18,0.1);
  color: var(--green);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.8rem;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.65;
}

/* ==========================================
   SECTION: STATS BANNER
   ========================================== */
.stats-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.stats-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.banner-stat {
  text-align: center;
  padding: 1rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.banner-stat:last-child { border-right: none; }

.banner-number {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--orange);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.banner-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

/* ==========================================
   SECTION: PROBLEM + SOLUTION
   ========================================== */
.problem-solution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.problem-box, .solution-box {
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.problem-box {
  background: rgba(220,53,69,0.04);
  border: 1.5px solid rgba(220,53,69,0.2);
}

.solution-box {
  background: rgba(51,122,18,0.04);
  border: 1.5px solid rgba(51,122,18,0.2);
}

.box-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.problem-box .box-title { color: #c0392b; }
.solution-box .box-title { color: var(--green); }

.problem-list, .solution-list {
  list-style: none;
}

.problem-list li, .solution-list li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-dark);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.problem-list li::before {
  content: '✗';
  color: #c0392b;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.solution-list li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '🇮🇳';
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15rem;
  opacity: 0.08;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: var(--white);
  color: var(--orange);
  padding: 14px 36px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  font-family: 'Rajdhani', sans-serif;
  border: 2px solid var(--white);
  display: inline-block;
}

.btn-white:hover {
  background: transparent;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  padding: 14px 36px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  font-family: 'Rajdhani', sans-serif;
  border: 2px solid rgba(255,255,255,0.6);
  display: inline-block;
}

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

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--navy-dark);
  padding: 3rem 2rem 1.5rem;
  border-top: 3px solid var(--orange);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.footer-logo {
  height: 40px;
  width: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--orange);
}

.footer-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.footer-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.78rem;
  color: var(--orange);
  font-style: italic;
  font-weight: 500;
}

.footer-heading {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--orange);
}

.footer-bottom {
  max-width: 1200px;
  margin: 1.5rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom span {
  color: var(--orange);
}

.gov-logos {
  display: flex;
  align-items: center;
  gap: 16px;
}

.gov-tag {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ==========================================
   SCROLL TO TOP
   ========================================== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 999;
}

.scroll-top:hover {
  background: var(--orange-dark);
  transform: translateY(-3px);
}

.scroll-top.visible { display: flex; }

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

.animate {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ============================================================
   CHEMTRACK INDIA — GLOBAL RESPONSIVE MEDIA QUERIES
   Screens: Mobile XS (360) → Mobile (480) → Tablet (768) 
            → Desktop (1024) → Large Desktop / TV (1600+)
   ============================================================ */


/* ==========================================
   TV / LARGE SCREENS (1600px+)
   ========================================== */
@media (min-width: 1600px) {
  :root { --sidebar-w: 280px; --navbar-h: 70px; }

  /* Landing */
  .hero-container, .container, .footer-grid, .footer-bottom { max-width: 1440px; }
  .hero-title    { font-size: 3.8rem; }
  .section-title { font-size: 2.6rem; }
  .cta-title     { font-size: 3rem; }
  .banner-number { font-size: 3rem; }
  .stat-number   { font-size: 2.4rem; }
  .section       { padding: 6rem 2rem; }

  /* Dashboard / Portal */
  .cards-grid    { grid-template-columns: repeat(5, 1fr); }
  .qa-grid       { grid-template-columns: repeat(5, 1fr); }
  .dash-main     { padding: 2.5rem 3rem; }
  .data-table th, .data-table td { padding: 14px 18px; font-size: 0.92rem; }
  .summary-card  { padding: 1.8rem; }

  /* Login */
  .auth-left h2  { font-size: 2.5rem; }
  .form-title    { font-size: 2rem; }
}


/* ==========================================
   LARGE DESKTOP (1280px – 1599px)
   ========================================== */
@media (min-width: 1280px) and (max-width: 1599px) {
  .hero-title    { font-size: 3.4rem; }
  .section-title { font-size: 2.4rem; }
}


/* ==========================================
   TABLET LANDSCAPE / SMALL DESKTOP (768px – 1024px)
   ========================================== */
@media (max-width: 1024px) {

  /* ── LANDING ── */
  .hero-title     { font-size: 2.6rem; }
  .hero-container { gap: 2.5rem; }
  .steps-grid     { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
  .users-grid     { grid-template-columns: repeat(2, 1fr); }
  .features-grid  { grid-template-columns: repeat(2, 1fr); }
  .stats-banner-grid { grid-template-columns: repeat(2, 1fr); }
  .banner-stat    { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .banner-stat:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.1); }
  .banner-stat:nth-child(2n) { border-bottom: none; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 2rem; }

  /* ── DASHBOARD / PORTALS ── */
  :root { --sidebar-w: 200px; }
  .cards-grid     { grid-template-columns: repeat(2, 1fr); }
  .qa-grid        { grid-template-columns: repeat(2, 1fr); }
  .form-row       { grid-template-columns: 1fr; }
  .qr-child-grid  { grid-template-columns: repeat(3, 1fr); }
  .qr-master-body { grid-template-columns: 1fr; }
  .qr-code-box    { margin-bottom: 1rem; }

  /* ── ADMIN ── */
  .admin-cards-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .reg-table-wrap   { overflow-x: auto; }
}


/* ==========================================
   TABLET PORTRAIT (576px – 768px)
   ========================================== */
@media (max-width: 768px) {

  /* ── NAVBAR ── */
  .navbar   { padding: 0 1.2rem; height: 64px; }
  .tricolor-bar { top: 64px; }
  .hero     { margin-top: 68px; min-height: calc(100vh - 68px); }
  .nav-links        { display: none; }
  .nav-links.open   {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    background: var(--navy-dark);
    padding: 1rem;
    z-index: 998;
    gap: 4px;
    border-bottom: 3px solid var(--orange);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .nav-links.open a { padding: 10px 16px; border-radius: var(--radius); }
  .nav-hamburger    { display: flex !important; }

  /* ── HERO ── */
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 3rem 1.5rem;
    text-align: center;
  }
  .hero-title    { font-size: 2.2rem; }
  .hero-tagline  { text-align: left; }
  .hero-buttons  { justify-content: center; }
  .hero-map-bg   { font-size: 12rem; opacity: 0.03; }
  .hero-stats    { grid-template-columns: repeat(2, 1fr); }

  /* ── SECTIONS ── */
  .section       { padding: 3.5rem 1.5rem; }
  .section-title { font-size: 1.8rem; }
  .steps-grid    { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .users-grid    { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .features-grid { grid-template-columns: 1fr; }
  .problem-solution { grid-template-columns: 1fr; gap: 1.5rem; }
  .problem-box, .solution-box { padding: 1.8rem; }
  .cta-title     { font-size: 1.8rem; }
  .cta-section::before { font-size: 8rem; }
  .footer-grid   { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* ── DASHBOARD ── */
  :root { --sidebar-w: 0px; --navbar-h: 56px; }

  .dash-navbar, .admin-navbar {
    height: 56px !important;
    padding: 0 1rem !important;
  }
  .tricolor-bar  { top: 56px !important; }
  .dash-layout   { margin-top: calc(56px + 3px) !important; }

  .sidebar {
    width: 260px !important;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    top: calc(56px + 3px) !important;
    z-index: 997;
  }
  .sidebar.open  { transform: translateX(0); }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 996;
  }
  .sidebar.open ~ .sidebar-overlay { display: block; }

  .dash-main     { margin-left: 0 !important; padding: 1.2rem; }
  .cards-grid    { grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
  .qa-grid       { grid-template-columns: repeat(2, 1fr); gap: 0.7rem; }
  .form-row      { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .section-header h1 { font-size: 1.4rem; }
  .table-header  { flex-direction: column; gap: 0.5rem; align-items: flex-start; }

  /* Scrollable tables on mobile */
  .table-section { overflow-x: auto; }
  .data-table    { min-width: 600px; }

  /* ── LOGIN ── */
  .auth-wrapper  { grid-template-columns: 1fr; }
  .auth-left     { display: none; }
  .auth-right    {
    padding: 2rem 1.5rem;
    max-height: none;
    justify-content: flex-start;
  }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ==========================================
   MOBILE LARGE (480px – 600px)
   ========================================== */
@media (max-width: 600px) {
  .steps-grid    { grid-template-columns: 1fr; }
  .users-grid    { grid-template-columns: 1fr; }
  .stats-banner-grid { grid-template-columns: 1fr 1fr; }
  .hero-title    { font-size: 1.9rem; }
  .footer-grid   { grid-template-columns: 1fr; gap: 1.5rem; }
  .cards-grid    { grid-template-columns: 1fr 1fr; }
  .qa-grid       { grid-template-columns: 1fr 1fr; }
  .qr-child-grid { grid-template-columns: repeat(2, 1fr); }
  .check-grid    { grid-template-columns: 1fr; }
}


/* ==========================================
   MOBILE SMALL (max 480px)
   ========================================== */
@media (max-width: 480px) {

  /* ── NAVBAR ── */
  .navbar    { height: 58px !important; padding: 0 1rem !important; }
  .tricolor-bar { top: 58px !important; }
  .hero      { margin-top: 62px !important; }
  .nav-logo  { height: 36px !important; width: 36px !important; }
  .nav-title span:first-child { font-size: 1.05rem !important; }
  .nav-title span:last-child  { display: none !important; }

  /* ── HERO ── */
  .hero-container { padding: 2.5rem 1rem; }
  .hero-title     { font-size: 1.65rem; }
  .hero-tagline   { font-size: 0.9rem; }
  .hero-desc      { font-size: 0.85rem; }
  .hero-badge     { font-size: 0.68rem; padding: 5px 12px; }
  .stat-number    { font-size: 1.6rem; }
  .stat-label     { font-size: 0.72rem; }

  /* ── BUTTONS ── */
  .btn-primary, .btn-secondary { padding: 12px 22px; font-size: 0.88rem; }
  .btn-white, .btn-outline-white { padding: 12px 22px; font-size: 0.9rem; }

  /* ── SECTIONS ── */
  .section       { padding: 2.5rem 1rem; }
  .section-title { font-size: 1.5rem; }
  .section-subtitle { font-size: 0.85rem; }
  .title-underline { margin-bottom: 1.5rem; }

  .step-card   { padding: 1.5rem 1rem; }
  .user-card   { padding: 1.5rem 1rem; }
  .feature-card { padding: 1.8rem 1.2rem; }
  .feature-title { font-size: 1.05rem; }

  .cta-title   { font-size: 1.5rem; }
  .cta-subtitle { font-size: 0.85rem; }
  .cta-section { padding: 3rem 1rem; }
  .cta-section::before { display: none; }
  .stats-banner { padding: 2.5rem 1rem; }
  .banner-number { font-size: 1.9rem; }
  .banner-label  { font-size: 0.76rem; }

  .footer    { padding: 2rem 1rem 1rem; }

  /* ── DASHBOARD ── */
  .cards-grid  { grid-template-columns: 1fr 1fr; gap: 0.7rem; }
  .summary-card { padding: 1rem; gap: 0.7rem; }
  .card-number { font-size: 1.4rem; }
  .card-icon   { font-size: 1.4rem; }
  .qa-grid     { grid-template-columns: 1fr 1fr; }
  .qa-btn      { padding: 9px 8px; font-size: 0.78rem; }
  .dash-main   { padding: 1rem; }
  .form-card   { padding: 1.2rem; }
  .scan-box    { padding: 2rem 1rem; }

  /* ── LOGIN ── */
  .auth-right  { padding: 1.5rem 1rem; }
  .form-title  { font-size: 1.4rem; }
  .category-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .category-card { padding: 0.75rem 0.5rem; }
  .category-icon { font-size: 1.4rem; }
  .category-name { font-size: 0.78rem; }

  .scroll-top { bottom: 1rem; right: 1rem; width: 38px; height: 38px; }
}


/* ==========================================
   MOBILE XS (max 360px)
   ========================================== */
@media (max-width: 360px) {
  .hero-title    { font-size: 1.4rem; }
  .hero-buttons  { flex-direction: column; align-items: center; }
  .hero-stats    { grid-template-columns: 1fr; }
  .stats-banner-grid { grid-template-columns: 1fr; }
  .banner-stat   { border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-title     { display: none; }
  .cards-grid    { grid-template-columns: 1fr; }
  .qa-grid       { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .check-grid    { grid-template-columns: 1fr; }
  .cta-buttons   { flex-direction: column; align-items: center; }
  .hero-badge    { display: none; }
}