/* =============================================
   THERMO DEFENCE — styles.css
   Design System: Navy + Amber, Clean Professional
   ============================================= */

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

/* ─── CSS Variables ──────────────────────────── */
:root {
  --navy: #0d1b2a;
  --navy-mid: #1a2e45;
  --navy-light: #243b55;
  --amber: #e8a020;
  --amber-light: #f5bc4a;
  --amber-dark: #c4841a;
  --white: #ffffff;
  --off-white: #f5f7fa;
  --grey-100: #eef0f3;
  --grey-300: #c0c8d4;
  --grey-500: #7a8898;
  --grey-700: #3d4a5c;
  --text-dark: #111827;
  --text-mid: #374151;
  --text-light: #6b7280;
  --success: #16a34a;
  --error: #dc2626;

  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Space Grotesk', 'Inter', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .10), 0 2px 8px rgba(0, 0, 0, .06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, .15), 0 4px 16px rgba(0, 0, 0, .08);
  --shadow-navy: 0 8px 32px rgba(13, 27, 42, .40);

  --transition: 0.25s ease;
  --transition-slow: 0.45s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ─── Utility ──────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 56px 0;
}

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

.section-mid {
  background: var(--navy-mid);
  color: var(--white);
}

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

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

.text-amber {
  color: var(--amber);
}

.text-navy {
  color: var(--navy);
}

/* ─── Typography ──────────────────────────── */
h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

h4 {
  font-size: 1.1rem;
}

p {
  color: var(--text-mid);
}

.section-dark p,
.section-mid p {
  color: var(--grey-300);
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  max-width: 560px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* ─── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
}

.btn-primary:hover {
  background: var(--amber-light);
  border-color: var(--amber-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 160, 32, .35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, .45);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .10);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--white);
}

/* ─── Navigation ─────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 27, 42, .96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-navy);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--amber);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  letter-spacing: -.02em;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
  line-height: 1.1;
}

.logo-sub {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--grey-300);
  letter-spacing: .06em;
  text-transform: uppercase;
  display: block;
}

/* Nav links */
.navbar-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar-links a {
  color: rgba(255, 255, 255, .80);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--white);
  background: rgba(255, 255, 255, .08);
}

/* Lang toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, .08);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.lang-toggle a {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--grey-300);
  padding: 5px 10px;
  border-radius: 4px;
  transition: all var(--transition);
  letter-spacing: .04em;
}

.lang-toggle a.active,
.lang-toggle a:hover {
  color: var(--navy);
  background: var(--amber);
}

/* Hamburger */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 16px 24px 24px;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  color: rgba(255, 255, 255, .80);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--amber);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-lang {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.mobile-lang a {
  border: none !important;
  font-size: 0.85rem;
  color: var(--grey-300) !important;
  padding: 0 !important;
}

.mobile-lang a.active {
  color: var(--amber) !important;
}

/* ─── Hero ────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #1c3a5a 100%);
  display: flex;
  align-items: center;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(232, 160, 32, .12) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(36, 59, 85, .6) 0%, transparent 50%);
}

/* Subtle grid pattern */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 160, 32, .15);
  border: 1px solid rgba(232, 160, 32, .30);
  color: var(--amber-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.5);
  }
}

.hero h1 {
  color: var(--white);
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--amber);
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .70);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.hero-img-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(232, 160, 32, .20);
}

.hero-stat-card {
  position: absolute;
  background: rgba(255, 255, 255, .10);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: var(--white);
}

.hero-stat-card .stat-num {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--amber);
}

.hero-stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--grey-300);
  margin-top: 2px;
}

.hero-stat-card.card-1 {
  bottom: -24px;
  left: -32px;
}

.hero-stat-card.card-2 {
  top: -16px;
  right: -16px;
}

/* ─── Feature Cards (3-up) ────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feat-card {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.feat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--grey-300);
}

.feat-card:hover::after {
  transform: scaleX(1);
}

.feat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(232, 160, 32, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.feat-card h3 {
  margin-bottom: 10px;
  color: var(--navy);
}

.feat-card p {
  font-size: 0.95rem;
}

/* ─── Product Cards ────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--grey-100);
  transition: all var(--transition);
}

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

.product-card-img {
  height: 220px;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .85;
}

.product-card-img .product-icon-fallback {
  font-size: 4rem;
}

.product-card-body {
  padding: 24px;
}

.product-tag {
  display: inline-block;
  background: rgba(232, 160, 32, .12);
  color: var(--amber-dark);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.product-card-body h3 {
  color: var(--navy);
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 0.93rem;
  margin-bottom: 20px;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.spec-item {
  background: var(--off-white);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.spec-item .spec-val {
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  font-family: var(--font-head);
}

.spec-item .spec-key {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-top: 2px;
}

/* ─── Stats Bar ────────────────────────────── */
.stats-bar {
  background: var(--amber);
  padding: 48px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item .stat-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.stat-item .stat-unit {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(13, 27, 42, .65);
  margin-top: 6px;
}

/* ─── Technology Section ──────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tech-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.tech-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.tech-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tech-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.tech-step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tech-step-body h4 {
  color: var(--white);
  margin-bottom: 4px;
}

.tech-step-body p {
  font-size: 0.93rem;
  color: var(--grey-300);
}

/* ─── Why Section (zig-zag) ─────────────── */
.why-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--grey-100);
}

.why-row:last-child {
  border-bottom: none;
}

.why-row.reverse .why-text {
  order: 2;
}

.why-row.reverse .why-visual {
  order: 1;
}

.why-visual-box {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.why-visual-box .big-icon {
  font-size: 5rem;
  opacity: .85;
}

.why-visual-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(232, 160, 32, .20), transparent 70%);
}

.why-text h2 {
  color: var(--navy);
  margin-bottom: 12px;
}

.why-text p {
  margin-bottom: 16px;
}

.why-checks {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.why-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-mid);
  font-weight: 500;
}

.why-check::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: rgba(232, 160, 32, .15);
  color: var(--amber-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── CTA Banner ─────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(232, 160, 32, .15), transparent 65%);
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: var(--grey-300);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
}

.cta-banner .btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ─── About Section ──────────────────────── */
.about-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 120px 0 72px;
  text-align: center;
  color: var(--white);
}

.about-header h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.about-header p {
  color: var(--grey-300);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--amber));
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.team-card h4 {
  color: var(--navy);
  margin-bottom: 4px;
}

.team-card p {
  font-size: 0.85rem;
}

/* ─── Contact / Form ─────────────────────── */
.contact-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 120px 0 72px;
  text-align: center;
  color: var(--white);
}

.contact-header h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.contact-header p {
  color: var(--grey-300);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(232, 160, 32, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-body strong {
  display: block;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.contact-item-body span,
.contact-item-body a {
  font-size: 0.93rem;
  color: var(--text-mid);
}

.contact-item-body a:hover {
  color: var(--amber-dark);
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--grey-700);
  margin-bottom: 7px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--grey-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(232, 160, 32, .15);
}

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

.form-msg {
  text-align: center;
  font-weight: 600;
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
  display: none;
}

.form-msg.success {
  background: #dcfce7;
  color: var(--success);
  display: block;
}

.form-msg.error {
  background: #fee2e2;
  color: var(--error);
  display: block;
}

/* ─── Technology Detail Page ──────────────── */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 120px 0 72px;
  text-align: center;
  color: var(--white);
}

.page-header h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.page-header p {
  color: var(--grey-300);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto;
}

.pcm-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pcm-phase {
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
}

.pcm-phase.solid {
  background: #e8f0fe;
}

.pcm-phase.change {
  background: rgba(232, 160, 32, .12);
  border: 2px solid var(--amber);
}

.pcm-phase.liquid {
  background: #fef9c3;
}

.pcm-phase .phase-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.pcm-phase h4 {
  color: var(--navy);
  margin-bottom: 6px;
}

.pcm-phase p {
  font-size: 0.88rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparison-table thead {
  background: var(--navy);
  color: var(--white);
}

.comparison-table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
}

.comparison-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--grey-100);
  font-size: 0.93rem;
}

.comparison-table tbody tr:nth-child(even) {
  background: var(--off-white);
}

.comparison-table tbody tr:hover {
  background: rgba(232, 160, 32, .06);
}

.td-check {
  color: var(--success);
  font-size: 1.1rem;
}

.td-cross {
  color: var(--error);
  font-size: 1.1rem;
}

/* ─── Footer ─────────────────────────────── */
.footer {
  background: var(--navy);
  color: var(--grey-300);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  color: var(--grey-500);
}

.footer-col h5 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--grey-500);
  padding: 5px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--amber);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.83rem;
  color: var(--grey-500);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: var(--grey-500);
  transition: color var(--transition);
}

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

/* ─── Scroll Reveal Animations ───────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: .10s;
}

.reveal-delay-2 {
  transition-delay: .20s;
}

.reveal-delay-3 {
  transition-delay: .30s;
}

/* ─── Page: Products ─────────────────────── */
.products-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 120px 0 72px;
  text-align: center;
  color: var(--white);
}

.products-header h1 {
  color: var(--white);
  margin-bottom: 16px;
}

.products-header p {
  color: var(--grey-300);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ─── Responsive ─────────────────────────── */
@media (max-width: 960px) {
  .navbar-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero .hero-desc {
    margin: 0 auto 36px;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-stat-card.card-1 {
    bottom: -12px;
    left: 0;
  }

  .hero-stat-card.card-2 {
    top: -12px;
    right: 0;
  }

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

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

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

  .why-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .why-row.reverse .why-text {
    order: 1;
  }

  .why-row.reverse .why-visual {
    order: 2;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .pcm-diagram {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .section {
    padding: 56px 0;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

  .contact-form-wrap {
    padding: 24px;
  }
}

/* ─── Quote Form Page ─────────────────────── */
.quote-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 120px 0 72px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.quote-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(232, 160, 32, .18), transparent 65%);
}

.quote-header h1 {
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.quote-header p {
  color: var(--grey-300);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.quote-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.quote-sidebar {
  position: sticky;
  top: 90px;
}

.quote-info-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  color: var(--white);
}

.quote-info-card h3 {
  color: var(--amber);
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.quote-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.quote-info-item:last-child {
  border-bottom: none;
}

.quote-info-item .qi-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.quote-info-item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 3px;
}

.quote-info-item span {
  font-size: 0.83rem;
  color: var(--grey-300);
  line-height: 1.5;
}

.quote-form-wrap {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-lg);
}

.quote-step-nav {
  display: flex;
  gap: 0;
  margin-bottom: 36px;
  border-radius: var(--radius-sm);
  background: var(--off-white);
  padding: 4px;
}

.quote-step-btn {
  flex: 1;
  padding: 10px 8px;
  border: none;
  background: none;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--grey-500);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.quote-step-btn.active {
  background: var(--white);
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}

.quote-step-btn .step-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--grey-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.quote-step-btn.active .step-dot {
  background: var(--amber);
  color: var(--navy);
}

.quote-step-btn.done .step-dot {
  background: var(--success);
}

.quote-step-panel {
  display: none;
}

.quote-step-panel.active {
  display: block;
}

.product-select-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}

.product-select-card {
  border: 2px solid var(--grey-100);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.product-select-card:hover {
  border-color: var(--amber);
}

.product-select-card.selected {
  border-color: var(--amber);
  background: rgba(232, 160, 32, .06);
}

.product-select-card input[type="radio"] {
  display: none;
}

.product-select-card .psc-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.product-select-card .psc-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy);
  margin-bottom: 4px;
  font-family: var(--font-head);
}

.product-select-card .psc-desc {
  font-size: 0.77rem;
  color: var(--text-light);
}

.product-select-card.selected .psc-name {
  color: var(--amber-dark);
}

.quote-nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--grey-100);
}

.qty-input-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--grey-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}

.qty-btn {
  width: 40px;
  height: 42px;
  border: none;
  background: var(--off-white);
  color: var(--navy);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}

.qty-btn:hover {
  background: var(--grey-100);
}

.qty-input-wrap input[type="number"] {
  width: 64px;
  border: none;
  border-left: 1.5px solid var(--grey-300);
  border-right: 1.5px solid var(--grey-300);
  border-radius: 0;
  text-align: center;
  font-weight: 700;
  color: var(--navy);
}

.qty-input-wrap input[type="number"]:focus {
  box-shadow: none;
  border-color: var(--grey-300);
}

.quote-summary-box {
  background: var(--off-white);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.quote-summary-box h4 {
  color: var(--navy);
  margin-bottom: 16px;
  font-size: 1rem;
}

.qs-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--grey-100);
  color: var(--text-mid);
}

.qs-row:last-child {
  border-bottom: none;
}

.qs-row strong {
  color: var(--navy);
  font-weight: 600;
}

@media (max-width: 960px) {
  .quote-layout {
    grid-template-columns: 1fr;
  }

  .quote-sidebar {
    position: static;
  }
}

@media (max-width: 600px) {
  .quote-form-wrap {
    padding: 24px;
  }

  .product-select-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ─── Certificates Page ───────────────────── */
.certs-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 120px 0 72px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.certs-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 40% 50%, rgba(232, 160, 32, .15), transparent 65%);
}

.certs-header h1 {
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.certs-header p {
  color: var(--grey-300);
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

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

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

.cert-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.cert-body {
  flex: 1;
}

.cert-badge {
  display: inline-block;
  background: rgba(232, 160, 32, .12);
  color: var(--amber-dark);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 100px;
  padding: 3px 10px;
  margin-bottom: 8px;
}

.cert-body h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.cert-body p {
  font-size: 0.88rem;
  line-height: 1.6;
}

.cert-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 16px;
  border-top: 1px solid var(--grey-100);
}

.cert-year {
  font-size: 0.8rem;
  color: var(--grey-500);
  font-weight: 500;
}

.cert-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--amber-dark);
  transition: color var(--transition);
}

.cert-download:hover {
  color: var(--navy);
}

.trust-banner {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.trust-banner-text h3 {
  color: var(--navy);
  margin-bottom: 8px;
}

.trust-banner-text p {
  font-size: 0.93rem;
}

.trust-logos {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.trust-logo-item {
  padding: 12px 20px;
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  letter-spacing: .05em;
}

/* ─── Video Section ───────────────────────── */
.video-section {
  background: var(--navy);
  padding: 80px 0;
}

.video-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5), 0 0 80px rgba(232, 160, 32, .15);
  background: #000;
  aspect-ratio: 16/9;
  max-width: 860px;
  margin: 0 auto;
}

.video-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--navy-mid), #1c3a5a);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  cursor: pointer;
  transition: all var(--transition);
}

.video-placeholder:hover {
  background: linear-gradient(135deg, #1c3a5a, var(--navy-mid));
}

.play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: 0 0 0 0 rgba(232, 160, 32, .4);
  animation: pulse-play 2.5s ease-in-out infinite;
}

.play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 26px;
  border-color: transparent transparent transparent var(--navy);
  margin-left: 5px;
}

.video-placeholder:hover .play-btn {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(232, 160, 32, .5);
}

@keyframes pulse-play {
  0% {
    box-shadow: 0 0 0 0 rgba(232, 160, 32, .5);
  }

  70% {
    box-shadow: 0 0 0 20px rgba(232, 160, 32, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(232, 160, 32, 0);
  }
}

.video-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  text-align: center;
}

.video-sub {
  font-size: 0.85rem;
  color: var(--grey-300);
}

/* ─── PWA Install Banner ──────────────────── */
#pwa-banner {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 480px;
  margin: 0 auto;
  background: var(--navy);
  border: 1px solid rgba(232, 160, 32, .3);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  z-index: 9999;
  box-shadow: var(--shadow-navy);
  animation: slide-up-banner 0.4s ease;
  display: flex;
  align-items: center;
  gap: 16px;
}

#pwa-banner.hidden {
  display: none !important;
}

@keyframes slide-up-banner {
  from {
    transform: translateY(80px);
    opacity: 0;
  }

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

.pwa-banner-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.pwa-banner-text {
  flex: 1;
}

.pwa-banner-text strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.pwa-banner-text span {
  font-size: 0.82rem;
  color: var(--grey-300);
}

.pwa-banner-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.pwa-install-btn {
  background: var(--amber);
  color: var(--navy);
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}

.pwa-install-btn:hover {
  background: var(--amber-light);
}

.pwa-dismiss-btn {
  background: transparent;
  color: var(--grey-300);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}

.pwa-dismiss-btn:hover {
  border-color: var(--white);
  color: var(--white);
}

/* ══════════════════════════════════════════════
   PAGE TRANSITION ANIMATIONS
   ══════════════════════════════════════════════ */

/* Alias variables used in new pages */
:root {
  --navy-dark: #08111c;
  --border: #e5e7eb;
  --grey-600: #4b5563;
}

/* Fade-in on page load */
@keyframes tfi-page-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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

body {
  animation: tfi-page-in 0.35s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* Fade-out class added by JS before navigation */
body.page-leaving {
  animation: none;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
}

/* ── Reveal on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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