/* ============================================================
   Domestic Airflow Solutions — Main Stylesheet
   ============================================================ */

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

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --color-primary:   #1B3F6E;
  --color-secondary: #2196F3;
  --color-accent:    #FF6B35;
  --color-dark:      #111827;
  --color-text:      #374151;
  --color-muted:     #6B7280;
  --color-light:     #F9FAFB;
  --color-white:     #FFFFFF;
  --color-border:    #E5E7EB;

  --font-heading: 'Outfit', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:  0 12px 32px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);

  --transition: 0.22s ease;

  --container-max: 1200px;
  --container-pad: 1.5rem;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  min-width: 320px;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 500;
  color: var(--color-dark);
}

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.section--light {
  background-color: var(--color-light);
}

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

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}

.section__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.section--dark .section__label {
  color: #90CAF9;
}

.section__header p {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-top: 0.75rem;
}

.section--dark .section__header p {
  color: rgba(255,255,255,0.75);
}

@media (min-width: 768px) {
  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  min-height: 44px;
  padding: 0.65rem 1.4rem;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: #e85d28;
  border-color: #e85d28;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--primary:hover {
  background-color: #153259;
  border-color: #153259;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}

.btn--outline:hover {
  background-color: rgba(255,255,255,0.12);
  border-color: var(--color-white);
  transform: translateY(-1px);
}

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

.btn--outline-dark:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--lg {
  font-size: 1.05rem;
  padding: 0.8rem 1.8rem;
  min-height: 52px;
}

.btn--sm {
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
  min-height: 36px;
}

/* ============================================================
   Navigation
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.nav-logo,
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
  padding-left: 8px;
}

.nav-logo__icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-logo__icon svg {
  width: 22px;
  height: 22px;
}

.nav-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.nav-logo__tagline {
  font-size: 0.68rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text);
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background-color var(--transition);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-right: 8px;
}

.nav-phone {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
  display: none;
  align-items: center;
  gap: 0.4rem;
}

.nav-phone svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.nav-phone:hover {
  color: var(--color-secondary);
}

.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.nav-hamburger:hover {
  background-color: var(--color-light);
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background-color: var(--color-primary);
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  padding: 1.5rem 1rem 2rem;
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.nav-mobile.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.92);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  min-height: 52px;
  display: flex;
  align-items: center;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.nav-mobile a:last-child {
  border-bottom: none;
  margin-top: 0.5rem;
  color: var(--color-accent);
  font-size: 1rem;
}

.nav-mobile a:hover {
  background-color: rgba(255,255,255,0.1);
  color: #fff;
}

.nav-mobile a.active {
  color: #fff;
  background-color: rgba(255,255,255,0.12);
}

.nav-mobile__links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 1rem;
  margin-bottom: 1rem;
}

.nav-mobile__links a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-sm);
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: color var(--transition), background-color var(--transition);
}

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

.nav-mobile__cta {
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.nav-mobile__cta a {
  text-align: center;
}

@media (min-width: 768px) {
  .nav-hamburger {
    display: none;
  }

  .nav-links {
    display: flex;
  }

  .nav-phone {
    display: flex;
  }

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

@media (min-width: 1024px) {
  .nav-logo__name {
    font-size: 1.1rem;
  }

  .nav-links {
    gap: 0.5rem;
  }

  .nav-links a {
    font-size: 0.92rem;
    padding: 0.5rem 0.75rem;
  }
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0d2444 0%, #1B3F6E 50%, #1a4a7a 100%);
  color: var(--color-white);
  overflow: hidden;
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.65) 60%, rgba(0,0,0,0.60) 100%);
  pointer-events: none;
  z-index: 0;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

/* Subtle air-flow pattern */
.hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(33,150,243,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(33,150,243,0.2);
  border: 1px solid rgba(33,150,243,0.4);
  color: #90CAF9;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero__label svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero h1 span {
  color: #90CAF9;
}

.hero__sub,
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,1);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.65;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8), 0 2px 8px rgba(0,0,0,0.6);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero__trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.75rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: #90CAF9;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .hero {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-top: 7.5rem;
    padding-bottom: 7.5rem;
  }
}

/* ============================================================
   Stats / Trust Section
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card__value {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-card__label {
  font-size: 0.82rem;
  color: var(--color-muted);
  font-weight: 500;
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   Service Cards
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-secondary);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.service-card__img {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}



.service-card h3 {
  margin-bottom: 0.6rem;
}

.service-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-secondary);
  text-decoration: none;
  transition: gap var(--transition), color var(--transition);
}

.service-card__link:hover {
  gap: 0.55rem;
  color: var(--color-primary);
}

.service-card__link svg {
  width: 16px;
  height: 16px;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   How It Works
   ============================================================ */
.how-it-works__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
}

.step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.step__number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.step__content h3 {
  margin-bottom: 0.4rem;
}

.step__content p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .how-it-works__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .how-it-works__steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   Why Choose Us
   ============================================================ */
.reasons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.reason-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.reason-item__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.reason-item__icon svg {
  width: 22px;
  height: 22px;
  color: #90CAF9;
}

.reason-item__content h3 {
  color: var(--color-white);
  margin-bottom: 0.3rem;
  font-size: 1.05rem;
}

.reason-item__content p {
  color: rgba(255,255,255,0.72);
  font-size: 0.92rem;
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   Testimonials
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-card p {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: 1rem;
}

.testimonial-card__stars svg {
  width: 20px;
  height: 20px;
  color: #F59E0B;
  fill: #F59E0B;
}

.testimonial-card__text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark);
}

.testimonial-card__meta {
  font-size: 0.8rem;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   FAQ Accordion
   ============================================================ */
.faq-list {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-white);
}

.faq-item__question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-dark);
  min-height: 44px;
  transition: background-color var(--transition);
}

.faq-item__question:hover {
  background-color: var(--color-light);
}

.faq-item__question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-muted);
  transition: transform var(--transition);
}

.faq-item.is-open .faq-item__question svg {
  transform: rotate(180deg);
}

.faq-item__answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
}

.faq-item.is-open .faq-item__answer {
  display: block;
}

/* ============================================================
   CTA Banner
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, #e85d28 100%);
  color: var(--color-white);
  padding-top: 4rem;
  padding-bottom: 4rem;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: rgba(255,255,255,0.88);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.cta-banner .btn--outline {
  border-color: rgba(255,255,255,0.7);
}

.cta-banner .btn--white {
  background-color: var(--color-white);
  color: var(--color-accent);
  border-color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
}

.cta-banner .btn--white:hover {
  background-color: #fff8f5;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255,255,255,0.75);
  padding-top: 4rem;
  padding-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-brand__logo .nav-logo__icon {
  background-color: var(--color-secondary);
}

.footer-brand__logo .nav-logo__name {
  color: var(--color-white);
}

.footer-brand__logo .nav-logo__tagline {
  color: rgba(255,255,255,0.5);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col ul li a,
.footer-col ul li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
  text-decoration: none;
}

.footer-col ul li a:hover {
  color: var(--color-white);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0.6rem;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-secondary);
}

.footer-contact-item a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

.footer-contact-item a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* ============================================================
   Page Hero (inner pages)
   ============================================================ */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, #0d2444 0%, #1B3F6E 100%);
  color: var(--color-white);
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.50) 60%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
  z-index: 0;
}

.page-hero > .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 640px;
  margin-bottom: 0;
}

.page-hero__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

.page-hero__breadcrumb a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.page-hero__breadcrumb a:hover {
  color: var(--color-white);
}

.page-hero__breadcrumb svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   Content Sections (inner pages)
   ============================================================ */
.content-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.content-split--reverse .content-split__visual {
  order: -1;
}

@media (min-width: 1024px) {
  .content-split {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .content-split--reverse .content-split__visual {
    order: 1;
  }
}

.content-split__visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.image-placeholder {
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #DBEAFE, #EFF6FF);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 300px;
  color: var(--color-primary);
  border: 2px dashed var(--color-border);
}

.image-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.image-placeholder span {
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
  padding: 0 1rem;
}

.content-split__text h2 {
  margin-bottom: 1rem;
}

.content-split__text p {
  color: var(--color-muted);
}

/* ============================================================
   Feature List
   ============================================================ */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.feature-list li svg {
  width: 18px;
  height: 18px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ============================================================
   Pricing Card
   ============================================================ */
.pricing-highlight {
  background: linear-gradient(135deg, var(--color-primary), #1a4a7a);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  margin-top: 2rem;
}

.pricing-highlight__label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-highlight__price {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.pricing-highlight__qualifier {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1.75rem;
}

.pricing-highlight__includes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.pricing-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}

.pricing-tag svg {
  width: 13px;
  height: 13px;
  color: #90CAF9;
}

/* ============================================================
   Info Cards Grid
   ============================================================ */
.info-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.info-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.info-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.info-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.info-card h3 {
  margin-bottom: 0.5rem;
}

.info-card p {
  font-size: 0.92rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .info-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .info-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   Contact Page
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-dark);
  background-color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(33,150,243,0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group select {
  cursor: pointer;
}

.form-submit {
  margin-top: 1.25rem;
}

.form-submit .btn {
  width: 100%;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info__item:last-child {
  border-bottom: none;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
}

.contact-info__label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-size: 1rem;
  color: var(--color-dark);
  font-weight: 500;
}

.contact-info__value a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

.contact-info__value a:hover {
  color: var(--color-secondary);
}

.areas-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.area-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background-color: var(--color-light);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.82rem;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  transition: background-color var(--transition), border-color var(--transition);
}

.area-tag:hover {
  background-color: #EFF6FF;
  border-color: var(--color-secondary);
}

.area-tag svg {
  width: 12px;
  height: 12px;
  color: var(--color-secondary);
}

/* ============================================================
   About Page
   ============================================================ */
.about-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .about-values {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.value-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.value-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.value-card h3 {
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ============================================================
   Mould / Risk Callout
   ============================================================ */
.risk-callout {
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  border: 1px solid #F59E0B;
  border-left: 4px solid #F59E0B;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.risk-callout svg {
  width: 22px;
  height: 22px;
  color: #92400E;
  flex-shrink: 0;
  margin-top: 2px;
}

.risk-callout p {
  font-size: 0.95rem;
  color: #78350F;
  margin-bottom: 0;
}

.risk-callout strong {
  color: #78350F;
}

/* ============================================================
   Stat Highlight Inline
   ============================================================ */
.stat-highlight {
  background: linear-gradient(135deg, var(--color-primary), #1a4a7a);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
}

.stat-highlight__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-highlight__desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 0;
}

/* ============================================================
   Product Type Cards
   ============================================================ */
.product-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .product-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.product-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.product-card__badge {
  display: inline-block;
  background-color: var(--color-light);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.product-card--featured .product-card__badge {
  background-color: #EFF6FF;
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.product-card h3 {
  margin-bottom: 0.6rem;
}

.product-card p {
  font-size: 0.93rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

/* ============================================================
   Responsive Utilities
   ============================================================ */
.text-center { text-align: center; }
.text-left   { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex-wrap-gap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}


/* ============================================================
   Service Card Image Variant  
   ============================================================ */
.service-card:has(.service-card__img) {
  padding: 0;
  overflow: hidden;
}

.service-card:has(.service-card__img) .service-card__img {
  margin-bottom: 0;
  border-radius: 0;
  height: 180px;
}

.service-card:has(.service-card__img) > h3,
.service-card:has(.service-card__img) > p,
.service-card:has(.service-card__img) > span.btn,
.service-card:has(.service-card__img) > a.btn {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.service-card:has(.service-card__img) > h3 {
  padding-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.service-card:has(.service-card__img) > p {
  flex-grow: 1;
}

.service-card:has(.service-card__img) > span.btn,
.service-card:has(.service-card__img) > a.btn {
  margin-bottom: 1.25rem;
  display: flex;
}

/* ============================================================
   Accessibility
   ============================================================ */
:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  z-index: 9999;
  transition: top 0.1s;
}

.skip-link:focus {
  top: 1rem;
}

/* ============================================================
   Sticky Bottom Bar (Get a Free Quote)
   ============================================================ */
.sticky-quote-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  height: 52px;
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sticky-quote-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  width: 100%;
  height: 100%;
  letter-spacing: 0.01em;
}

.sticky-quote-bar svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .sticky-quote-bar {
    display: none;
  }
}

/* Add bottom padding to body on mobile to avoid content hidden behind sticky bar */
@media (max-width: 767px) {
  body {
    padding-bottom: 52px;
  }
}

/* ============================================================
   CTA Section Padding Fix
   ============================================================ */
.cta-section {
  padding: 48px 1.5rem !important;
}

.cta-section h2 {
  margin-bottom: 16px !important;
}

.cta-section p {
  margin-bottom: 16px !important;
}

.cta-section .big-phone {
  display: block;
  margin-bottom: 16px !important;
}

.cta-section .btn {
  margin-top: 24px !important;
}

@media (min-width: 768px) {
  .cta-section {
    padding: 80px 1.5rem !important;
  }
}

/* ============================================================
   Hero Section Gap Fix (inner pages)
   ============================================================ */
.page-hero-piv,
.page-hero-mould,
.page-hero-ext,
.page-hero-about,
.page-hero-dpc,
.page-hero-contact,
.page-hero-gallery {
  min-height: 0 !important;
  height: auto !important;
  align-items: center !important;
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  .site-nav,
  .nav-mobile,
  .sticky-quote-bar,
  .cta-banner,
  .hero__ctas {
    display: none !important;
  }
}