:root {
  --bg: #f4f6f7;
  --surface: #ffffff;
  --surface-alt: #eef4f4;
  --text: #152124;
  --muted: #5e7075;
  --line: rgba(21, 33, 36, 0.12);
  --primary: #1d6770;
  --primary-dark: #0f4d55;
  --dark: #101517;
  --shadow: 0 20px 50px rgba(14, 33, 36, 0.08);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 103, 112, 0.08), transparent 30%),
    linear-gradient(180deg, #f8fbfb 0%, #f2f5f6 100%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}
.page-shell { overflow: clip; }
.section { padding: 88px 0; }
.eyebrow {
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  margin: 0 0 14px;
}
.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}
.section-head h2,
.hero h1,
.about-copy h2,
.contact-copy h2 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.section-head h2,
.about-copy h2,
.contact-copy h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
.hero h1 { font-size: clamp(2.7rem, 6vw, 5rem); }
.section-head p,
.lead,
.about-copy p,
.contact-copy p,
.stat-card p,
.service-card p,
.comparison-card p,
.faq-list p,
.contact-card span,
.form-note,
.brand span,
footer span { color: var(--muted); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(248, 251, 251, 0.85);
  border-bottom: 1px solid rgba(21, 33, 36, 0.06);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}
.brand strong { display: block; font-size: 1rem; }
.brand span { font-size: 0.88rem; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.main-nav a:not(.btn) {
  position: relative;
  font-weight: 600;
  color: #244348;
}
.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s ease;
}
.main-nav a:not(.btn):hover::after { width: 100%; }
.mobile-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 12px;
}
.mobile-toggle span {
  display: block;
  height: 2px;
  background: var(--dark);
  margin: 5px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 16px 28px rgba(29, 103, 112, 0.24);
}
.btn-secondary {
  border-color: var(--line);
  background: rgba(255,255,255,0.72);
}
.btn-dark {
  background: var(--dark);
  color: white;
}
.btn-full { width: 100%; }

.hero { padding-top: 70px; }
.hero-grid,
.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 44px;
  align-items: center;
}
.hero-copy .lead { font-size: 1.1rem; max-width: 58ch; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 34px;
}
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.trust-row div,
.stat-card,
.service-card,
.comparison-card,
.contact-card,
.contact-form,
.about-photo,
.hero-card,
.gallery-item,
.faq-list details {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(21, 33, 36, 0.08);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
.trust-row div {
  padding: 18px;
}
.trust-row strong { display: block; margin-bottom: 6px; }
.hero-visual {
  position: relative;
  min-height: 560px;
}
.hero-card { overflow: hidden; }
.hero-photo-card {
  padding: 14px;
  width: min(100%, 510px);
  margin-left: auto;
}
.hero-photo-card img {
  border-radius: 18px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.badge {
  text-decoration: none;
  position: absolute;
  left: 30px;
  bottom: 26px;
  background: rgba(16, 21, 23, 0.9);
  color: white;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 700;
}

.badge-link {
  transition: transform 0.2s ease, background 0.2s ease;
}
.badge-link:hover {
  transform: translateY(-2px);
  background: rgba(29, 103, 112, 0.94);
}

.hero-info-card {
  position: absolute;
  left: 0;
  bottom: 30px;
  width: min(360px, 90%);
  padding: 26px;
}
.mini-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-info-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}
.floating-card { transform: rotate(2deg); }

.stats-grid,
.service-grid,
.comparison-grid,
.gallery-grid,
.footer-grid {
  display: grid;
  gap: 22px;
}
.stats-grid { grid-template-columns: repeat(3, 1fr); }
.service-grid { grid-template-columns: repeat(2, 1fr); }
.service-card {
  padding: 28px;
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.service-card:hover,
.gallery-item:hover { transform: translateY(-4px); border-color: rgba(29, 103, 112, 0.22); }
.service-icon { font-size: 2rem; margin-bottom: 18px; }
.service-card h3,
.comparison-card h3 { margin: 0 0 10px; }
.service-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: #28464b;
}
.featured-service {
  background: linear-gradient(180deg, rgba(29, 103, 112, 0.08), rgba(255,255,255,0.96));
  grid-column: span 2;
}
.contrast-section { background: linear-gradient(180deg, rgba(29, 103, 112, 0.04), transparent 100%); }
.comparison-grid { grid-template-columns: repeat(2, 1fr); }
.comparison-grid-three { grid-template-columns: repeat(3, 1fr); }
.comparison-grid-four { grid-template-columns: repeat(2, 1fr); }
.comparison-card { padding: 18px; }
.comparison {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: 18px;
  background: #e9eff0;
}
.comparison > img,
.comparison-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.comparison-overlay {
  position: absolute;
  inset: 0 auto 0 0;
  overflow: hidden;
  border-right: 3px solid white;
}
.comparison input[type="range"] {
  position: absolute;
  inset: auto 18px 18px 18px;
  width: calc(100% - 36px);
}
.comparison-label {
  position: absolute;
  top: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(16, 21, 23, 0.82);
  color: white;
  font-size: 0.82rem;
  font-weight: 700;
}
.comparison-label.before { left: 14px; }
.comparison-label.after { right: 14px; }
.gallery-grid { grid-template-columns: repeat(3, 1fr); margin-top: 24px; }
.gallery-item {
  padding: 0;
  overflow: hidden;
  border: 0;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.about-photo {
  padding: 16px;
}
.about-photo img {
  border-radius: 18px;
  aspect-ratio: 4 / 4.1;
  object-fit: cover;
}
.about-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.about-points div {
  border-radius: 999px;
  padding: 11px 16px;
  background: rgba(29, 103, 112, 0.09);
  color: var(--primary-dark);
  font-weight: 700;
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-list details {
  padding: 20px 22px;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p { margin: 14px 0 0; }
.contact-cards {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}
.contact-card { padding: 18px 20px; }
.contact-card strong { display: block; margin-top: 6px; }
.contact-form {
  padding: 26px;
}
.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  font-weight: 700;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(21, 33, 36, 0.12);
  padding: 14px 16px;
  background: #f9fbfb;
}
.form-note { font-size: 0.92rem; margin: 14px 0 0; }
.form-note.success {
  color: #0e6d4f;
  font-weight: 700;
}
.site-footer {
  padding: 26px 0 40px;
  border-top: 1px solid rgba(21, 33, 36, 0.08);
}
.footer-grid {
  grid-template-columns: 1fr auto;
  align-items: center;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-links a { font-weight: 700; color: #244348; }
.footer-brand img { width: 54px; height: 54px; }

.gallery-modal {
  width: min(900px, calc(100% - 28px));
  border: 0;
  border-radius: 28px;
  padding: 20px;
  background: rgba(255,255,255,0.98);
  box-shadow: 0 30px 80px rgba(0,0,0,0.24);
}
.gallery-modal::backdrop { background: rgba(12, 18, 20, 0.72); }
.gallery-modal img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 18px;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(16, 21, 23, 0.88);
  color: white;
  font-size: 1.6rem;
  cursor: pointer;
}

.legal-page main {
  padding: 80px 0 110px;
}
.legal-card {
  background: rgba(255,255,255,0.96);
  border-radius: 28px;
  border: 1px solid rgba(21, 33, 36, 0.08);
  box-shadow: var(--shadow);
  padding: 34px;
  max-width: 900px;
}
.legal-card h1 { font-size: clamp(2rem, 5vw, 3.3rem); margin-top: 0; }
.legal-card h2 { margin-top: 28px; }
.legal-card p, .legal-card li { color: #304348; line-height: 1.7; }
.legal-card ul { padding-left: 18px; }

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .comparison-grid,
  .stats-grid,
  .gallery-grid,
  .service-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .featured-service { grid-column: span 1; }
  .hero-visual { min-height: auto; }
  .hero-photo-card { margin: 0; }
  .hero-info-card {
    position: relative;
    left: auto;
    bottom: auto;
    width: 100%;
    margin-top: 18px;
  }
  .trust-row { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .mobile-toggle { display: inline-block; }
  .main-nav {
    position: absolute;
    top: 84px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(255,255,255,0.98);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 20px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-cta { width: 100%; }
  .field-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .section { padding: 68px 0; }
  .container { width: min(100% - 20px, 1160px); }
  .brand span { display: none; }
  .hero-actions .btn { width: 100%; }
  .service-card, .contact-form, .stat-card, .comparison-card, .faq-list details { padding: 20px; }
}


.reviews-section {
  background: linear-gradient(180deg, rgba(16, 21, 23, 0.03), rgba(29, 103, 112, 0.04));
}
.reviews-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 28px;
  margin-bottom: 22px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(21, 33, 36, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.reviews-summary strong {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  margin: 8px 0 10px;
}
.reviews-badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(29, 103, 112, 0.1);
  color: var(--primary-dark);
  font-size: 0.84rem;
  font-weight: 800;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.review-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(21, 33, 36, 0.08);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 24px;
}
.review-card h3 {
  margin: 12px 0 10px;
}
.review-card p,
.review-card span {
  color: var(--muted);
}
.review-card span {
  display: block;
  margin-top: 12px;
  font-weight: 700;
}
.stars {
  color: #d09300;
  letter-spacing: 0.18em;
  font-size: 1rem;
}
.hidden-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}
.comparison-roof-before,
.comparison-roof-after {
  object-position: center center;
}
.comparison-terrace-before,
.comparison-terrace-after {
  object-position: center center;
}
.comparison-garden-before,
.comparison-garden-after {
  object-position: center center;
}
@media (max-width: 980px) {
  .reviews-grid,
  .reviews-summary {
    grid-template-columns: 1fr;
  }
  .reviews-summary {
    flex-direction: column;
    align-items: flex-start;
  }
}


.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 999px;
  background: #1f9d62;
  color: white;
  font-weight: 800;
  box-shadow: 0 18px 40px rgba(15, 77, 85, 0.22);
}
.floating-whatsapp:hover {
  transform: translateY(-2px);
}
.whatsapp-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}
@media (max-width: 640px) {
  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    padding: 12px 15px;
  }
  .floating-whatsapp span:last-child {
    display: none;
  }
}


/* Mobile and image refinements */
body { overflow-x: hidden; }
.comparison-roof-before,
.comparison-roof-after {
  object-fit: contain;
  background: #e9eff0;
}
.comparison-terrace-before,
.comparison-terrace-after,
.comparison-garden-before,
.comparison-garden-after {
  object-position: center center;
}

@media (max-width: 768px) {
  .nav-wrap {
    min-height: 74px;
    gap: 14px;
  }
  .brand {
    gap: 10px;
    max-width: calc(100% - 62px);
  }
  .brand img {
    width: 48px;
    height: 48px;
  }
  .brand strong {
    font-size: 0.95rem;
  }
  .section {
    padding: 60px 0;
  }
  .hero {
    padding-top: 34px;
  }
  .hero h1 {
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }
  .section-head h2,
  .about-copy h2,
  .contact-copy h2 {
    font-size: clamp(1.9rem, 9vw, 2.7rem);
  }
  .hero-copy .lead,
  .section-head p,
  .about-copy p,
  .contact-copy p,
  .service-card p,
  .comparison-card p,
  .faq-list p,
  .review-card p,
  .contact-card span,
  .form-note,
  .brand span,
  footer span {
    font-size: 0.98rem;
    line-height: 1.6;
  }
  .hero-actions,
  .about-points,
  .footer-links {
    gap: 10px;
  }
  .btn,
  .hero-actions .btn,
  .nav-cta {
    width: 100%;
  }
  .comparison-card {
    padding: 16px;
  }
  .comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    aspect-ratio: auto;
    min-height: 250px;
  }
  .comparison > img,
  .comparison-overlay {
    position: relative;
    inset: auto;
    width: 100% !important;
    height: 250px;
  }
  .comparison > img {
    grid-column: 2;
  }
  .comparison-overlay {
    grid-column: 1;
    border-right: 1px solid rgba(255,255,255,0.95);
  }
  .comparison > img,
  .comparison-overlay img {
    object-fit: cover;
  }
  .comparison-roof-before,
  .comparison-roof-after {
    object-fit: contain !important;
  }
  .comparison input[type="range"] {
    display: none;
  }
  .comparison-label {
    top: 10px;
    font-size: 0.78rem;
    padding: 7px 11px;
  }
  .comparison-label.before {
    left: 10px;
  }
  .comparison-label.after {
    right: 10px;
  }
  .gallery-item img {
    height: 220px;
  }
  .contact-form {
    padding: 20px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 18px, 1160px);
  }
  .main-nav {
    top: 74px;
    left: 10px;
    right: 10px;
    padding: 16px;
  }
  .hero-card,
  .service-card,
  .comparison-card,
  .review-card,
  .contact-card,
  .contact-form,
  .faq-list details,
  .legal-card {
    border-radius: 20px;
  }
  .comparison {
    min-height: 220px;
  }
  .comparison > img,
  .comparison-overlay {
    height: 220px;
  }
}


.comparison-clearout-before,
.comparison-clearout-after {
  object-fit: cover;
  object-position: center center;
}

@media (min-width: 1180px) {
  .comparison-grid-four { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 767px) {
  .comparison-grid-four { grid-template-columns: 1fr; }
}


.comparison-grid-four { grid-template-columns: repeat(4, 1fr); }
.comparison-card { padding: 18px; display: flex; flex-direction: column; }
.comparison-card h3 { margin: 0 0 10px; }
.comparison-card p { margin: 0; }

.comparison {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: 18px;
  background: #e9eff0;
}
.comparison > img,
.comparison-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.comparison-overlay {
  position: absolute;
  inset: 0 auto 0 0;
  overflow: hidden;
  border-right: 3px solid white;
}
.comparison input[type="range"] {
  position: absolute;
  inset: auto 18px 18px 18px;
  width: calc(100% - 36px);
  background: transparent;
}
.comparison input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  background: rgba(255,255,255,0.92);
  border-radius: 999px;
}
.comparison input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #101517;
  border: 3px solid white;
  margin-top: -5px;
}
.comparison input[type="range"]::-moz-range-track {
  height: 8px;
  background: rgba(255,255,255,0.92);
  border-radius: 999px;
}
.comparison input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #101517;
  border: 3px solid white;
}
.comparison-label {
  position: absolute;
  top: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(16, 21, 23, 0.82);
  color: white;
  font-size: 0.82rem;
  font-weight: 700;
}
.comparison-label.before { left: 14px; }
.comparison-label.after { right: 14px; }

.comparison-mobile-simple { display: none; }

.gallery-headline {
  margin-top: 28px;
  margin-bottom: 16px;
}
.gallery-headline h3 { margin: 0 0 6px; }
.gallery-headline p { margin: 0; color: var(--muted); }

.gallery-grid-expanded {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 12px;
}
.gallery-item {
  padding: 0;
  overflow: hidden;
  border: 0;
  cursor: pointer;
  border-radius: 20px;
}
.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

@media (max-width: 1180px) {
  .comparison-grid-four { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid-expanded { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .comparison[data-comparison] { display: none !important; }
  .comparison-mobile-simple { display: block; margin-bottom: 18px; }
  .mobile-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .mobile-pair-image {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: #eef3f3;
    height: 170px;
  }
  .mobile-pair-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
  }
  .mobile-pair-image .comparison-label {
    top: 10px;
    font-size: 0.78rem;
    padding: 7px 10px;
    z-index: 2;
  }
  .comparison-grid-four,
  .gallery-grid-expanded {
    grid-template-columns: 1fr;
  }
  .comparison-card {
    padding: 16px;
  }
  .gallery-item img {
    height: auto;
    aspect-ratio: 16 / 11;
  }
}