:root {
  --colour-navy: #0a1f44;
  --colour-navy-dark: #071533;
  --colour-blue: #0057f7;
  --colour-blue-dark: #0046c5;
  --colour-amber: #f59e0b;
  --colour-amber-dark: #d97706;
  --colour-white: #ffffff;
  --colour-off-white: #f4f7fb;
  --colour-text: #1f2937;
  --colour-text-light: #4b5563;
  --colour-border: #dbe4f0;
  --shadow-sm: 0 1px 2px rgba(10, 31, 68, 0.06);
  --shadow-md: 0 10px 25px rgba(10, 31, 68, 0.12);
  --shadow-lg: 0 20px 45px rgba(10, 31, 68, 0.18);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.22s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --gutter: 1.25rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--colour-text);
  background: var(--colour-white);
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  z-index: 200;
  background: var(--colour-blue);
  color: var(--colour-white);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition);
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.25;
  padding: 0.875rem 1.5rem;
  border-radius: 60px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-align: center;
  min-height: 48px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 3px solid var(--colour-amber);
  outline-offset: 3px;
}

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

.btn--primary:hover {
  background: var(--colour-amber-dark);
  border-color: var(--colour-amber-dark);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--colour-white);
  border-color: rgba(255, 255, 255, 0.7);
}

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

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn--full {
  width: 100%;
}

.btn__icon {
  flex-shrink: 0;
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  position: relative;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--colour-border);
  transition: box-shadow var(--transition);
}

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

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--colour-navy);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo__icon {
  color: var(--colour-blue);
  flex-shrink: 0;
}

.logo--footer {
  color: var(--colour-white);
}

.logo--footer .logo__icon {
  color: var(--colour-amber);
}

/* Mobile menu toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 46px;
  height: 46px;
  gap: 5px;
  background: transparent;
  border: 0;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--colour-amber);
  outline-offset: 2px;
}

.nav-toggle__bar {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--colour-navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Nav menu */
.nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--colour-white);
  border-bottom: 1px solid var(--colour-border);
  padding: 1rem var(--gutter) 1.5rem;
  display: none;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-md);
}

.nav-menu.is-open {
  display: flex;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-link {
  display: block;
  padding: 0.75rem 0;
  color: var(--colour-text);
  font-weight: 600;
  border-bottom: 1px solid var(--colour-border);
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--colour-blue);
}

.nav-cta {
  align-self: flex-start;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: 8rem 0 4rem;
  overflow: hidden;
  background: var(--colour-navy);
  color: var(--colour-white);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  animation: heroZoom 1.2s ease-out forwards;
}

@keyframes heroZoom {
  to {
    transform: scale(1);
  }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.92) 0%, rgba(10, 31, 68, 0.72) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--colour-amber);
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 7vw, 3.8rem);
  line-height: 1.08;
  font-weight: 800;
  max-width: 14ch;
}

.hero__subtitle {
  margin: 0 0 2rem;
  font-size: clamp(1.05rem, 2.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 55ch;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 2.5rem;
}

.hero__content > * {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero__content > *:nth-child(1) { animation-delay: 0.15s; }
.hero__content > *:nth-child(2) { animation-delay: 0.3s; }
.hero__content > *:nth-child(3) { animation-delay: 0.45s; }
.hero__content > *:nth-child(4) { animation-delay: 0.6s; }
.hero__content > *:nth-child(5) { animation-delay: 0.75s; }

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

/* Trust strip */
.trust-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 700px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 0.85rem;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.trust-item__icon {
  flex-shrink: 0;
  color: var(--colour-amber);
}

.trust-item__text {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.95);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

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

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

.section__header {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.section__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--colour-blue);
}

.section--quote .section__eyebrow {
  color: var(--colour-amber);
}

.section__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.12;
  font-weight: 800;
  color: var(--colour-navy);
}

.section--quote .section__title {
  color: var(--colour-white);
}

.section__subtitle {
  margin: 0;
  color: var(--colour-text-light);
  font-size: 1.05rem;
  max-width: 60ch;
}

/* Services */
.services-grid {
  display: grid;
  gap: 1.5rem;
}

.service-card {
  background: var(--colour-white);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.service-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card__media img {
  transform: scale(1.05);
}

.service-card__body {
  padding: 1.25rem;
}

.service-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--colour-navy);
}

.service-card__text {
  margin: 0;
  color: var(--colour-text-light);
  font-size: 0.98rem;
}

/* Features */
.features-grid {
  display: grid;
  gap: 1.5rem;
}

.feature {
  background: var(--colour-white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--colour-border);
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 87, 247, 0.08);
  color: var(--colour-blue);
  margin-bottom: 1rem;
}

.feature__title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--colour-navy);
}

.feature__text {
  margin: 0;
  color: var(--colour-text-light);
}

/* Reviews */
.reviews-grid {
  display: grid;
  gap: 1.5rem;
}

.review {
  background: var(--colour-white);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.review__stars {
  display: flex;
  gap: 0.2rem;
  color: var(--colour-amber);
  margin-bottom: 0.75rem;
}

.review__text {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  color: var(--colour-text);
}

.review__author {
  margin: 0;
  font-weight: 700;
  color: var(--colour-navy);
}

/* Areas */
.areas__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.areas__list li {
  position: relative;
  padding-left: 1.25rem;
  font-weight: 600;
  color: var(--colour-text);
}

.areas__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--colour-blue);
}

.areas__note {
  margin: 0;
  color: var(--colour-text-light);
}

/* Quote section */
.quote-layout {
  display: grid;
  gap: 2.5rem;
}

.quote-copy__text {
  color: rgba(255, 255, 255, 0.85);
  max-width: 55ch;
  margin: 0 0 1.5rem;
}

.quote-copy__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--colour-amber);
  transition: color var(--transition);
}

.quote-copy__phone:hover {
  color: var(--colour-white);
}

/* Form */
.quote-form {
  background: var(--colour-white);
  color: var(--colour-text);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 1.25rem;
}

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--colour-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-sm);
  background: var(--colour-white);
  color: var(--colour-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--colour-blue);
  box-shadow: 0 0 0 3px rgba(0, 87, 247, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ca3af;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234b5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.1rem;
}

.form-status {
  margin: 0;
  font-weight: 600;
  min-height: 1.5rem;
}

.form-status.is-success {
  color: #047857;
}

/* Footer */
.site-footer {
  background: var(--colour-navy-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer__tagline {
  margin: 0.75rem 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer__heading {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--colour-white);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer__phone {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--colour-amber);
  margin-bottom: 0.25rem;
}

.footer__hours {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--colour-white);
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .hero__content > * {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
  }
  .hero__bg {
    transform: none;
    animation: none;
  }
}

/* Tablet */
@media (min-width: 768px) {
  :root {
    --gutter: 2rem;
  }

  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }

  .nav-links {
    flex-direction: row;
    gap: 0.5rem;
  }

  .nav-link {
    border: 0;
    padding: 0.5rem 0;
    font-size: 0.95rem;
  }

  .nav-cta {
    align-self: center;
  }

  .hero {
    min-height: 90vh;
    padding: 7rem 0 5rem;
  }

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

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

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .quote-form {
    grid-template-columns: repeat(2, 1fr);
    padding: 2rem;
  }

  .form-group--full {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

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

  .service-card:first-child,
  .service-card:nth-child(2) {
    grid-column: span 1;
  }
}

@media (min-width: 1280px) {
  .hero__title {
    max-width: 16ch;
  }

  .services-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .service-card {
    grid-column: span 1;
  }

  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .quote-layout {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
  }
}