/* =====================================================
   Radiant Imagings — Global Stylesheet
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --primary: #FF0000;
  --primary-dark: #cc0000;
  --primary-light: #fff0f0;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #69475d;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: #334155;
  background: #f8fafc;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--primary);
  color: white;
}

/* ── Navigation ── */
.glass-nav {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 0.3s ease;
}

.glass-nav.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

nav a.nav-link {
  color: #475569;
  font-weight: 500;
  font-size: 0.925rem;
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 4px;
}

nav a.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s ease;
  border-radius: 2px;
}

nav a.nav-link:hover,
nav a.nav-link.active {
  color: var(--primary);
}

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

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(255, 0, 0, 0.3);
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

/* ── Logo ── */
.logo-wrap {
  display: flex;
  align-items: flex-start;
  font-family: 'Century Gothic', Arial, sans-serif;
  font-weight: 900;
  color: #0f172a;
  text-decoration: none;
  user-select: none;
  transition: opacity 0.2s;
  line-height: 1;
}

.logo-wrap:hover {
  opacity: 0.85;
}

.logo-rad {
  font-size: 2.2rem;
  letter-spacing: 0.18em;
  margin-top: 1rem;
}

.logo-i-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 3px;
}

.logo-dot {
  width: 12px;
  height: 12px;
  background: var(--primary);
  margin-bottom: 6px;
}

.logo-stem {
  width: 12px;
  height: 48px;
  background: #0f172a;
}

.logo-ant-wrap {
  display: flex;
  flex-direction: column;
}

.logo-ant {
  font-size: 2.2rem;
  letter-spacing: 0.18em;
  margin-top: 1rem;
}

.logo-magings {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  font-weight: 700;
  margin-top: 4px;
}

.logo-wrap.light .logo-rad,
.logo-wrap.light .logo-ant,
.logo-wrap.light .logo-magings {
  color: white;
}

.logo-wrap.light .logo-stem {
  background: white;
}

/* ── Hero ── */
.hero-section {
  background-image: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.95)),
    url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?q=80&w=2053&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 96px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.35);
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 0, 0, 0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s, gap 0.2s;
  background: none;
  border: none;
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.btn-quote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
  cursor: pointer;
  border: none;
}

.btn-quote:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 0, 0, 0.4);
}

/* ── Section Helpers ── */
.section-label {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}

.section-title.light {
  color: white;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 4px;
  margin-top: 16px;
}

.section-divider.center {
  margin-left: auto;
  margin-right: auto;
}

/* ── Cards ── */
.card {
  background: white;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: #fff0f0;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

/* ── Product Cards ── */
.product-card {
  background: white;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.product-card .card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform 0.4s ease;
  display: block;
  padding: 8px;
}

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

/* Service image banner (for dynamic services with photos) */
.service-img-banner {
  width: 100%;
  height: 200px;
  object-fit: contain;
  object-position: center center;
  border-radius: 12px;
  display: block;
  margin-bottom: 1.5rem;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  padding: 6px;
}

.product-card .card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.coming-soon-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  background: #f59e0b;
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 24px;
  transform: rotate(45deg) translate(20px, -10px);
  transform-origin: top right;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  width: 120px;
  text-align: center;
}

.feature-list {
  list-style: none;
  margin: 0.75rem 0 1rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: #64748b;
  padding: 4px 0;
}

.feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Timeline ── */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), #94a3b8);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2.55rem;
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.2);
}

.timeline-year {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 12px;
  border-radius: 50px;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.6;
}

/* ── Service cards ── */
.service-card {
  background: white;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  padding: 2rem;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

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

.service-card .enquire-btn {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
}

.service-card:hover .enquire-btn {
  opacity: 1;
  transform: translateY(0);
}

/* ── Stats bar ── */
.stats-bar {
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 6px;
}

.stat-divider {
  width: 1px;
  background: #e2e8f0;
  align-self: stretch;
  margin: 1rem 0;
}

/* ── Contact form ── */
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #d1d5db;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  color: #1f2937;
  background: white;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

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

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ── Footer ── */
.site-footer {
  background: #0a0f1e;
  border-top: 1px solid #1e293b;
}

.footer-link {
  color: #94a3b8;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
  display: block;
  padding: 3px 0;
}

.footer-link:hover {
  color: var(--primary);
}

.made-in-india-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #FF9933 33.33%, #FFFFFF 33.33% 66.66%, #138808 66.66%);
  color: white;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* ── Pulse dot ── */
.pulse-dot {
  position: relative;
  display: inline-flex;
}

.pulse-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.7;
  animation: ping 1.2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.pulse-dot-inner {
  position: relative;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* ── WhatsApp button ── */
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.whatsapp-btn:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.45);
}

/* ── Alert / Toast ── */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.alert-success {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  color: #15803d;
}

.alert-error {
  background: #fff1f2;
  border: 1.5px solid #fca5a5;
  color: #b91c1c;
}

/* ── Hero Badge ── */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  padding: 8px 18px;
  margin-bottom: 1.5rem;
}

.hero-badge span {
  color: white;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── Team Cards ── */
.team-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.team-card-avatar {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--primary) 0%, #7c0000 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card-avatar svg {
  width: 80px;
  height: 80px;
  color: rgba(255, 255, 255, 0.4);
}

.team-card-avatar .initials {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.85);
  font-family: 'Century Gothic', Arial, sans-serif;
}

.team-card-body {
  padding: 1.5rem;
}

.team-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
}

.team-card-role {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-top: 4px;
}

.team-card-desc {
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 10px;
  line-height: 1.6;
}

/* ── Category Tabs ── */
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cat-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid #e2e8f0;
  background: white;
  color: #64748b;
  transition: all 0.2s;
}

.cat-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cat-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
}

/* ── Quote page ── */
.quote-info-panel {
  background: var(--dark);
  color: white;
  border-radius: 20px 0 0 20px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.quote-info-panel::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: rgba(255, 0, 0, 0.1);
  border-radius: 50%;
}

.quote-info-panel::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 2rem;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-info-value {
  color: white;
  font-weight: 500;
  font-size: 0.95rem;
}

/* ── Admin ── */
.admin-sidebar {
  background: var(--dark);
  min-height: 100vh;
  width: 260px;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  overflow-y: auto;
}

.admin-content {
  margin-left: 260px;
  min-height: 100vh;
  background: #f1f5f9;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.75rem 1.5rem;
  color: #94a3b8;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 8px;
  margin: 2px 12px;
  text-decoration: none;
  border: none;
  background: none;
  width: calc(100% - 24px);
  text-align: left;
}

.admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.07);
  color: white;
}

.admin-nav-item.active {
  background: rgba(255, 0, 0, 0.15);
  color: var(--primary);
}

.admin-card {
  background: white;
  border-radius: 14px;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  background: #f8fafc;
  padding: 12px 16px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 700;
  color: #64748b;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid #e2e8f0;
}

.admin-table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: #334155;
  border-bottom: 1px solid #f1f5f9;
}

.admin-table tr:hover td {
  background: #f8fafc;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-new {
  background: #fff0f0;
  color: var(--primary);
}

.status-read {
  background: #fefce8;
  color: #b45309;
}

.status-resolved {
  background: #f0fdf4;
  color: #15803d;
}

/* ── Utility ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

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

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

.mt-2 {
  margin-top: .5rem
}

.mt-4 {
  margin-top: 1rem
}

.mt-6 {
  margin-top: 1.5rem
}

.mt-8 {
  margin-top: 2rem
}

.mt-12 {
  margin-top: 3rem
}

.mt-16 {
  margin-top: 4rem
}

.mb-2 {
  margin-bottom: .5rem
}

.mb-4 {
  margin-bottom: 1rem
}

.mb-6 {
  margin-bottom: 1.5rem
}

.mb-8 {
  margin-bottom: 2rem
}

.text-center {
  text-align: center;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* ── Animations ── */
@keyframes ping {

  75%,
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

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

.animate-fadeInUp {
  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;
}

/* ── Responsive — comprehensive ── */

/* ─────────────────────────────────────
   Hamburger Menu (mobile nav toggle)
───────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: none;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  gap: 5px;
  padding: 6px;
  transition: border-color .2s;
}

.hamburger:hover {
  border-color: var(--primary);
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: #334155;
  border-radius: 2px;
  transition: all .25s;
}

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

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile nav drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  inset: 88px 0 0 0;
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(12px);
  z-index: 999;
  padding: 1.5rem;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  border-top: 1px solid #e2e8f0;
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-drawer a {
  color: #334155;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  padding: 14px 16px;
  border-radius: 12px;
  transition: all .2s;
  display: block;
}

.mobile-nav-drawer a:hover,
.mobile-nav-drawer a.active {
  background: var(--primary-light);
  color: var(--primary);
}

.mobile-nav-drawer .nav-cta {
  margin-top: 6px;
  text-align: center;
  justify-content: center;
}

/* ─────────────────────────────────────
   Laptop / Large tablet  ≤ 1280px
───────────────────────────────────── */
@media (max-width: 1280px) {
  .container {
    padding: 0 1.25rem;
  }
}

/* ─────────────────────────────────────
   Tablet landscape  ≤ 1024px
───────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-section {
    background-attachment: scroll;
  }

  /* Quote form stacked */
  .quote-info-panel {
    border-radius: 20px 20px 0 0;
  }
}

/* ─────────────────────────────────────
   Tablet portrait  ≤ 768px
───────────────────────────────────── */
@media (max-width: 768px) {

  /* ── Nav ── */
  .hamburger {
    display: flex;
  }

  .desktop-nav {
    display: none !important;
  }

  /* ── Grids ── */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* ── Hero ── */
  .hero-section {
    background-attachment: scroll;
    padding: 2rem 0 3rem;
    min-height: auto;
  }

  /* ── Stats bar ── */
  .stats-bar {
    padding: 1.25rem;
    border-radius: 14px;
  }

  .stats-bar>div {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .stat-item {
    border-right: none !important;
    border-bottom: 1px solid #e2e8f0;
  }

  .stat-item:nth-child(2n) {
    border-right: none !important;
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  /* ── Product cards ── */
  .product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .product-card .card-img {
    height: 180px;
  }

  /* ── Service cards ── */
  .service-card {
    padding: 1.5rem;
  }

  .service-card>div>div[style*="grid-template-columns:auto 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  /* ── Quote / get-a-quote layout ── */
  .quote-layout {
    grid-template-columns: 1fr !important;
  }

  .quote-info-panel {
    border-radius: 16px 16px 0 0;
    padding: 2rem;
  }

  .quote-form-panel {
    padding: 2rem !important;
  }

  /* ── Footer ── */
  .footer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* ── Section ── */
  .section {
    padding: 3rem 0;
  }

  /* ── Admin sidebar hidden ── */
  .admin-sidebar {
    display: none;
    width: 100%;
  }

  .admin-content {
    margin-left: 0;
  }

  .admin-sidebar.open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 200;
    width: 260px;
  }

  /* ── Detail modal ── */
  #detail-inner {
    grid-template-columns: 1fr !important;
  }

  #dm-gallery {
    min-height: 220px !important;
    max-height: 240px !important;
  }

  /* ── About team grid ── */
  .team-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* ─────────────────────────────────────
   Phone landscape + small tablet  ≤ 640px
───────────────────────────────────── */
@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  /* ── Container ── */
  .container {
    padding: 0 1rem;
  }

  /* ── Nav ── */
  .hamburger {
    display: flex;
  }

  /* ── Hero buttons ── */
  .hero-btns {
    flex-direction: column !important;
    width: 100%;
  }

  .hero-btns a,
  .hero-btns button {
    width: 100%;
    justify-content: center;
  }

  /* ── Product cards: 1 column ── */
  .product-grid {
    grid-template-columns: 1fr !important;
  }

  /* ── Stats: 2 col ── */
  .stats-bar>div {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* ── Section spacing ── */
  .section {
    padding: 2.5rem 0;
  }

  /* ── Service card icon/text ── */
  .service-card .card-icon {
    width: 56px !important;
    height: 56px !important;
    border-radius: 14px !important;
  }

  /* ── Buttons ── */
  .btn-primary,
  .btn-outline {
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
  }

  /* ── Footer ── */
  .footer-grid {
    grid-template-columns: 1fr !important;
  }

  /* ── Quote form ── */
  .quote-form-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .quote-info-panel {
    padding: 1.5rem;
  }

  /* ── Contact page cards ── */
  .contact-cards-grid {
    grid-template-columns: 1fr !important;
  }

  /* ── About page timeline ── */
  .about-grid {
    grid-template-columns: 1fr !important;
  }

  .team-grid {
    grid-template-columns: 1fr !important;
  }

  /* ── Admin ── */
  .admin-card {
    padding: 1rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 10px 10px;
    font-size: .8rem;
  }

  .admin-table th:nth-child(n+4),
  .admin-table td:nth-child(n+4) {
    display: none;
  }
}

/* ─────────────────────────────────────
   Phone portrait  ≤ 480px
───────────────────────────────────── */
@media (max-width: 480px) {

  /* ── Logo ── */
  .logo-rad,
  .logo-ant {
    font-size: 1.7rem !important;
    letter-spacing: .12em !important;
  }

  .logo-stem {
    height: 38px !important;
  }

  .logo-dot {
    width: 9px !important;
    height: 9px !important;
  }

  /* ── Nav ── */
  nav>div {
    padding: 0 .75rem !important;
    height: 72px !important;
  }

  body {
    padding-top: 72px !important;
  }

  /* ── Hero ── */
  .hero-section {
    min-height: 90vh;
    padding: 1rem 0 2.5rem;
  }

  /* ── Stats ── */
  .stat-num {
    font-size: 1.4rem;
  }

  /* ── Cards ── */
  .product-card .card-img {
    height: 160px;
  }

  .product-card .card-body {
    padding: 1.1rem;
  }

  /* ── Service card ── */
  .service-card {
    padding: 1.2rem;
  }

  /* ── Buttons ── */
  .btn-primary,
  .btn-outline,
  .btn-quote {
    padding: .75rem 1.2rem;
    font-size: .875rem;
  }

  .whatsapp-btn {
    padding: .7rem 1.2rem;
    font-size: .85rem;
  }

  /* ── Section heading ── */
  .section-title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  /* ── Quote page ── */
  .quote-info-panel {
    padding: 1.25rem;
  }

  .quote-layout>div:last-child {
    padding: 1.5rem !important;
  }

  /* ── Detail modal ── */
  #detail-modal>div {
    padding: .5rem !important;
  }

  #detail-inner {
    border-radius: 16px !important;
  }

  #dm-gallery {
    min-height: 190px !important;
    max-height: 190px !important;
  }

  #detail-inner>div:last-child {
    padding: 1.25rem !important;
  }

  #dm-name {
    font-size: 1.2rem !important;
  }

  /* ── Category tabs ── */
  .cat-tabs {
    gap: 6px;
  }

  .cat-tab {
    padding: 6px 14px;
    font-size: .8rem;
  }

  /* ── Footer ── */
  .site-footer>div>div {
    padding: 2.5rem 0 1.5rem !important;
  }
}

/* ─────────────────────────────────────
   Landscape orientation fix
   (phones held sideways)
───────────────────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-section {
    min-height: 100svh;
    padding: 1rem 0;
  }

  .mobile-nav-drawer {
    inset: 72px 0 0 0;
  }

  #dm-gallery {
    min-height: 160px !important;
    max-height: 160px !important;
  }
}