/* ═══════════════════════════════════════════════════════════════
   Thermovest — style.css
   Imports tokens from tokens.css. All values reference CSS vars.
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────
   BASE RESET
   ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-surface-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* ─────────────────────────────────────────────
   LAYOUT HELPERS
   ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

section { padding-block: var(--section-padding-y); }

/* ─────────────────────────────────────────────
   SCROLL REVEAL ANIMATIONS
   ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal-item.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-item { opacity: 1; transform: none; transition: none; }
}

/* ─────────────────────────────────────────────
   TYPOGRAPHY HELPERS
   ───────────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  flex-shrink: 0;
}
.eyebrow--white { color: #fff; }
.eyebrow--white::before { background: #fff; }

.section-heading {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  font-size: clamp(var(--font-size-3xl), 3.5vw, var(--font-size-5xl));
}
.section-heading--white { color: #fff; }

.section-body {
  font-family: var(--font-body);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  max-width: 580px;
}
.section-body--white { color: rgba(255,255,255,0.78); }

/* ─────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: background var(--transition-spring),
              box-shadow var(--transition-spring),
              transform var(--transition-spring),
              border-color var(--transition-base),
              color var(--transition-base);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

/* Primary */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-orange-hover);
  transform: scale(1.02);
}

/* Secondary (outline) */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  padding: 13px 27px;
}
.btn-secondary:hover {
  background: var(--color-primary-light);
}

/* Ghost (white border on dark bg) */
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.6);
  padding: 13px 27px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

/* Inverse (white bg, orange text — for orange CTA banner) */
.btn-inverse {
  background: #fff;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.btn-inverse:hover { background: var(--color-neutral-100); transform: scale(1.02); }

/* ─────────────────────────────────────────────
   BADGE
   ───────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}
#site-header.scrolled {
  background: var(--color-surface-hero);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  position: relative;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: var(--font-weight-medium);
  color: rgba(255,255,255,0.88);
  transition: color var(--transition-base);
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  padding: 4px;
  color: #fff;
}
.hamburger-line {
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav-hamburger.is-active .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-active .hamburger-line:nth-child(2) { opacity: 0; }
.nav-hamburger.is-active .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu Overlay */
#mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(15,27,61,0.97);
  z-index: calc(var(--z-sticky) - 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
#mobile-menu.is-open { opacity: 1; pointer-events: all; }

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: rgba(255,255,255,0.88);
  transition: color var(--transition-base);
}
.mobile-nav-link:hover { color: var(--color-primary); }
.mobile-cta-wrap { margin-top: var(--space-4); }

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(
      to right,
      rgba(15,27,61,0.92) 0%,
      rgba(15,27,61,0.60) 55%,
      rgba(15,27,61,0.20) 100%
    ),
    url('../Assets/images/hero.jpg') center / cover no-repeat;
  padding-top: 72px; /* nav height */
}

.hero-content {
  padding-block: var(--space-24);
  max-width: 600px;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-4xl), 5.5vw, var(--font-size-7xl));
  font-weight: var(--font-weight-bold);
  color: #fff;
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tighter);
  margin-bottom: var(--space-6);
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.2s;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-xl));
  color: rgba(255,255,255,0.78);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-10);
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.4s;
  max-width: 500px;
}

.hero-eyebrow {
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.05s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.55s;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.5);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  animation: fadeIn 1s ease both 1.2s;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.3);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.3); }
}

/* ═══════════════════════════════════════════════════════════════
   STATS BAR
   ═══════════════════════════════════════════════════════════════ */
.stats-bar {
  background: var(--color-surface-section);
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
  border-bottom: 1px solid var(--color-border-default);
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  flex: 1;
  min-width: 160px;
  position: relative;
}

.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * clamp(var(--space-4), 2.5vw, var(--space-10)));
  top: 50%; transform: translateY(-50%);
  width: 1px; height: 40px;
  background: var(--color-border-strong);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-stat));
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: var(--letter-spacing-tighter);
  display: block;
}

.stat-label {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════════════════════════════════
   SERVICES SECTION
   ═══════════════════════════════════════════════════════════════ */
.services { background: var(--color-surface-card); }

.services-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}
.services-header .section-body { margin-inline: auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  background: var(--color-surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-default);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.service-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.service-card-img-wrap {
  position: relative;
  overflow: hidden;
}
.service-card-img-wrap .service-card-img {
  transform: scale(1.12);
  transform-origin: center center;
}

.service-card-logo-badge {
  position: absolute;
  bottom: -18px;
  right: -8px;
}
.service-card-logo-badge img {
  height: 96px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.service-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.service-icon {
  width: 44px; height: 44px;
  color: var(--color-primary);
}

.service-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-top: var(--space-2);
  transition: gap var(--transition-base);
}
.service-link:hover { gap: var(--space-2); }

/* ═══════════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════════ */
.about { background: var(--color-surface-page); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
}

.about-text { }

.about-text .section-heading { margin-bottom: var(--space-5); }
.about-text .section-body { margin-bottom: var(--space-8); }

.about-checks {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.check-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.check-icon svg { color: var(--color-primary); }

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}
.about-image-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

/* ═══════════════════════════════════════════════════════════════
   WHY CHOOSE US
   ═══════════════════════════════════════════════════════════════ */
.why-us {
  background: var(--color-surface-section);
}

.why-us-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
}

.why-us-text .section-heading { margin-bottom: var(--space-5); }
.why-us-text .section-body { margin-bottom: var(--space-10); }

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.why-feature {
  background: var(--color-surface-card);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.why-feature:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.why-feature-icon {
  width: 40px; height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}

.why-feature-title {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.why-feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.why-image-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: visible;
}
.why-img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  display: block;
}

/* Certificate badge floating on image */
.cert-badge {
  position: absolute;
  top: var(--space-6);
  left: calc(-1 * var(--space-6));
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-orange);
  text-align: center;
  min-width: 120px;
}
.cert-badge-icon{max-width: 60px; max-height: 70px; display: block; margin: 0 auto;}
.cert-badge-text {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
}
.cert-badge-sub {
  font-size: var(--font-size-xs);
  opacity: 0.8;
  margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   OMEGAPUR PARTNER SECTION
   ═══════════════════════════════════════════════════════════════ */
.omegapur-section {
  background: var(--color-surface-card);
  border-top: 1px solid var(--color-border-default);
  border-bottom: 1px solid var(--color-border-default);
}

.omegapur-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-24));
  align-items: start;
}

/* Left column */
.omegapur-props {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.omegapur-prop {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
}
.omegapur-prop-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: #E8FFF0; /* light green tint */
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  color: #00B828; /* OmegaPUR green */
}

/* Partner badge */
.omegapur-partner-badge {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface-section);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  max-width: 380px;
}
.partner-badge-logo-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-badge-logo-wrap img {
  height: 72px;
  width: auto;
  object-fit: contain;
  display: block;
}
.partner-badge-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.partner-badge-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.partner-badge-name {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  transition: color var(--transition-base);
}
.partner-badge-name:hover { color: #00B828; }
.partner-badge-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Right column — spec cards grid */
.omegapur-specs { }

.spec-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.spec-card {
  background: var(--color-surface-section);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition-slow);
}
.spec-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
}

.spec-card--highlight {
  background: #E8FFF0;
  border-color: rgba(0, 184, 40, 0.25);
}
.spec-card--highlight .spec-card-icon { background: rgba(0,184,40,0.15); color: #00B828; }
.spec-card--highlight .spec-card-value { color: #007A1A; }

.spec-card-icon {
  width: 40px; height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.spec-card-value {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
}

.spec-card-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Responsive */
@media (max-width: 1024px) {
  .omegapur-inner { grid-template-columns: 1fr; }
  .spec-cards-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .spec-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .omegapur-partner-badge { max-width: 100%; }
}

/* ═══════════════════════════════════════════════════════════════
   WARRANTY / DARK SECTION
   ═══════════════════════════════════════════════════════════════ */
.warranty {
  background: var(--color-surface-dark);
  text-align: center;
}

.warranty-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  max-width: 700px;
  margin-inline: auto;
}

.warranty-stat {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.warranty-number {
  font-family: var(--font-display);
  font-size: clamp(80px, 10vw, 120px);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: var(--letter-spacing-tighter);
}
.warranty-unit {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-5);
}

.warranty-heading {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  color: #fff;
  letter-spacing: var(--letter-spacing-tight);
}
.warranty-body {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.65);
  line-height: var(--line-height-relaxed);
  max-width: 560px;
}

/* ═══════════════════════════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════════════════════════ */
.testimonials { display: none; background: var(--color-surface-card); }

.testimonials-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}

.testimonials-bolt {
  font-size: 2.5rem;
  color: var(--color-accent-yellow);
  margin-bottom: var(--space-3);
  display: block;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-surface-page);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-default);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  color: var(--color-accent-yellow);
  font-size: var(--font-size-base);
}

.testimonial-quote {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-default);
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-neutral-200);
}
.testimonial-name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}
.testimonial-location {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════ */
.contact {
  background: var(--color-surface-section);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: start;
}

.contact-info .section-heading { margin-bottom: var(--space-5); }
.contact-info .section-body { margin-bottom: var(--space-8); }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.contact-detail-icon {
  width: 44px; height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-detail-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.contact-detail-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}
.contact-detail-value a:hover { color: var(--color-primary); }

/* Contact Form */
.contact-form-wrap {
  background: var(--color-surface-card);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-8), 3vw, var(--space-12));
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-default);
}

.contact-form-title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

#contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface-page);
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,25,42,0.14);
}
.form-input.input-error,
.form-select.input-error,
.form-textarea.input-error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}
.form-textarea { min-height: 130px; resize: vertical; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 40px;
  cursor: pointer;
}

.field-error {
  font-size: var(--font-size-xs);
  color: #EF4444;
  min-height: 16px;
}

.form-submit { width: 100%; padding: 15px 28px; font-size: var(--font-size-base); }

#form-success {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
}
#form-error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--color-neutral-800);
  padding-block: var(--space-16) var(--space-8);
  border-top: 1px solid var(--color-border-inverse);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  margin-bottom: var(--space-12);
}

.footer-brand {}
.footer-logo {
  height: 38px; width: auto;
  object-fit: contain;
  margin-bottom: var(--space-4);
  filter: brightness(0) invert(1); /* White logo on dark bg */
}
.footer-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  line-height: var(--line-height-relaxed);
  max-width: 220px;
  margin-bottom: var(--space-6);
}
.footer-social {
  display: flex;
  gap: var(--space-3);
}
.social-link {
  width: 36px; height: 36px;
  border: 1px solid var(--color-border-inverse);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
.social-link:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
}

.footer-col-title {
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-5);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-base);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-inverse);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
}
.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}
.footer-bottom-links a {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
  transition: color var(--transition-base);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* ═══════════════════════════════════════════════════════════════
   BLOG PAGE — BLOG HERO
   ═══════════════════════════════════════════════════════════════ */
.blog-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  background: linear-gradient(
      rgba(15,27,61,0.80),
      rgba(15,27,61,0.80)
    ),
    url('https://picsum.photos/seed/thermovest-blog-hero/1600/900') center / cover no-repeat;
  padding-top: 72px;
}

.blog-hero-content {
  padding-block: var(--space-16);
}

.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
  font-weight: var(--font-weight-bold);
  color: #fff;
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-4);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition-base); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { opacity: 0.4; }
.breadcrumb-current { color: rgba(255,255,255,0.9); }

/* ═══════════════════════════════════════════════════════════════
   BLOG GRID
   ═══════════════════════════════════════════════════════════════ */
.blog-section { background: var(--color-surface-page); }

.blog-section-header {
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-14));
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.blog-card {
  background: var(--color-surface-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-default);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card-img-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}
.blog-card:hover .blog-card-img { transform: scale(1.04); }

.blog-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.blog-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
}
.blog-card-title a { transition: color var(--transition-base); }
.blog-card-title a:hover { color: var(--color-primary); }

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-base);
  margin-top: var(--space-2);
}
.blog-read-more:hover { gap: var(--space-2); }

/* ═══════════════════════════════════════════════════════════════
   NEWSLETTER STRIP
   ═══════════════════════════════════════════════════════════════ */
.newsletter {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  padding-block: clamp(var(--space-10), 4vw, var(--space-16));
}

.newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.newsletter-text h2 {
  font-family: var(--font-display);
  font-size: clamp(var(--font-size-2xl), 2.5vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  color: #fff;
  margin-bottom: var(--space-2);
}
.newsletter-text p {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.78);
}

#newsletter-form {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  min-width: 340px;
}
#newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  border: none;
  outline: none;
  font-size: var(--font-size-base);
  background: rgba(255,255,255,0.15);
  color: #fff;
  backdrop-filter: blur(4px);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
#newsletter-form input[type="email"]::placeholder { color: rgba(255,255,255,0.6); }
#newsletter-form input[type="email"]:focus {
  background: rgba(255,255,255,0.22);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.4);
}

#newsletter-success {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.9);
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) 0;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET (max 1024px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .about-image-wrap img { height: 360px; }
  .why-us-inner { grid-template-columns: 1fr; }
  .why-image-wrap img { height: 360px; }
  .cert-badge { left: var(--space-4); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item + .stat-item::before { display: none; }
  .why-features { grid-template-columns: 1fr 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   PRIVACY MODAL
   ═══════════════════════════════════════════════════════════════ */
.privacy-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.privacy-modal[hidden] { display: none; }

.privacy-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  cursor: pointer;
}

.privacy-modal__content {
  position: relative;
  background: var(--color-surface, #fff);
  border-radius: var(--radius-lg, 12px);
  padding: var(--space-8) var(--space-6);
  max-width: 620px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.privacy-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--space-1);
}
.privacy-modal__close:hover { color: var(--color-text); }

.privacy-modal__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  padding-right: var(--space-8);
}

.privacy-modal__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.privacy-modal__text:last-child { margin-bottom: 0; }

/* Checkbox consent row */
.form-field--checkbox {
  margin-top: var(--space-3);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 2px;
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.privacy-link {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
  font-family: inherit;
}
.privacy-link:hover { text-decoration: none; }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (max 640px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .why-features { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .newsletter-inner { flex-direction: column; }
  #newsletter-form { min-width: 0; width: 100%; }
  .blog-section-header { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
  .stats-inner { flex-direction: column; gap: var(--space-8); }
  .stats-inner .stat-item + .stat-item::before { display: none; }
}

/* ═══════════════════════════════════════════
   COOKIE CONSENT BANNER
   ═══════════════════════════════════════════ */
@keyframes slideUpCookie {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@keyframes slideDownCookie {
  from { transform: translateY(0);    opacity: 1; }
  to   { transform: translateY(100%); opacity: 0; }
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-toast);
  background: var(--color-neutral-900);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-5) 0;
  box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.30);
  animation: slideUpCookie 0.35s ease both;
}
.cookie-banner--hiding {
  animation: slideDownCookie 0.30s ease both;
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.cookie-banner__content { flex: 1; min-width: 0; }

.cookie-banner__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse-soft);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.cookie-banner__link {
  color: var(--color-primary-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cookie-banner__link:hover { color: var(--color-neutral-0); }

.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.cookie-btn {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  white-space: nowrap;
  line-height: 1;
}

.cookie-btn--primary {
  background: var(--color-primary);
  color: var(--color-neutral-0);
  border-color: var(--color-primary);
}
.cookie-btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.cookie-btn--outline {
  background: transparent;
  color: var(--color-text-inverse-soft);
  border-color: rgba(255, 255, 255, 0.30);
}
.cookie-btn--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-neutral-0);
  border-color: rgba(255, 255, 255, 0.50);
}

@media (max-width: 640px) {
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .cookie-banner__actions { width: 100%; }
  .cookie-btn { flex: 1; text-align: center; }
}