:root {
  --brand-dark: #0b1a24;
  --brand-mid: #17384c;
  --brand-accent: #ff8a1f;
  --brand-accent-strong: #d86400;
  --surface: #edf2f6;
  --surface-alt: #ffffff;
  --text: #13202b;
  --muted: #4f6372;
  --ok: #1f7a4d;
  --shadow: 0 18px 40px rgba(7, 19, 29, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --container: 1140px;
  --space-xs: 0.5rem;
  --space-sm: 0.875rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 0%, #cfe2f0 0%, transparent 30%),
    radial-gradient(circle at 90% 8%, #ffe2c6 0%, transparent 35%),
    linear-gradient(180deg, #f7fafc 0%, var(--surface) 36%, #eef3f7 100%);
  line-height: 1.6;
}

a {
  color: var(--brand-mid);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--brand-accent-strong);
}

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

.container {
  width: min(var(--container), 92vw);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  background: var(--brand-dark);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #d9e3ec;
  box-shadow: 0 10px 24px rgba(12, 29, 42, 0.08);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: 0.8rem 0;
}

.brand {
  display: flex;
  flex-direction: column;
  color: var(--brand-dark);
}

.brand strong {
  font-family: "Oswald", "Arial Narrow", sans-serif;
  letter-spacing: 0.02em;
  font-size: 1.45rem;
  text-transform: uppercase;
}

.brand span {
  font-size: 0.85rem;
  color: var(--muted);
}

.brand-logo {
  display: block;
  width: auto;
  height: 52px;
  max-width: min(260px, 46vw);
  object-fit: contain;
}

.nav-toggle {
  display: none;
  border: 1px solid #ccd3dc;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.6rem;
  font-size: 1rem;
}

.site-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.6rem;
  align-items: center;
}

.site-nav a {
  color: var(--brand-dark);
  font-weight: 600;
  padding: 0.4rem 0.68rem;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: #e9f0f6;
  color: var(--brand-mid);
}

.site-nav a.active,
.site-nav a[aria-current="page"] {
  color: var(--brand-accent-strong);
  background: #fff1e4;
}

.cta-inline {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  padding: 0.76rem 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(140deg, #ff9b34, var(--brand-accent-strong));
  color: #fff;
  box-shadow: 0 14px 26px rgba(216, 100, 0, 0.35);
}

.btn-secondary {
  background: linear-gradient(130deg, #122839, var(--brand-mid));
  color: #fff;
}

.btn-outline {
  border-color: #afc1d2;
  color: var(--brand-dark);
  background: #fff;
}

.hero {
  padding: var(--space-xl) 0;
  color: #fff;
  background:
    linear-gradient(122deg, rgba(8, 20, 30, 0.95), rgba(17, 52, 73, 0.9)),
    radial-gradient(circle at 18% 20%, rgba(255, 157, 74, 0.22), transparent 38%),
    url("../images/hero-exterior.svg") center/cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero h1 {
  margin: 0 0 0.8rem;
  font-family: "Oswald", "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: clamp(2rem, 3vw + 1rem, 3.4rem);
  line-height: 1.12;
}

.hero p {
  margin-top: 0;
  max-width: 62ch;
  color: #f1f6fb;
}

.hero-card {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: var(--radius);
  padding: var(--space-md);
  backdrop-filter: blur(5px);
}

.hero-list {
  margin: 0;
  padding-left: 1rem;
}

.section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background: linear-gradient(180deg, #ffffff 0%, #f2f6fb 100%);
}

.section h2 {
  margin-top: 0;
  font-family: "Oswald", "Arial Narrow", sans-serif;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 2vw + 0.8rem, 2.3rem);
}

.section-intro {
  max-width: 74ch;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface-alt);
  border: 1px solid #d7e2ec;
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 36px rgba(7, 19, 29, 0.17);
  border-color: #c3d6e8;
}

.card h3 {
  margin-top: 0;
  font-family: "Oswald", "Arial Narrow", sans-serif;
  text-transform: uppercase;
  font-size: 1.25rem;
}

.service-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(145deg, #ffe0bf, #ffd1a0);
  color: #8a3c00;
  font-weight: 800;
  margin-bottom: 0.75rem;
  box-shadow: inset 0 -8px 16px rgba(255, 255, 255, 0.3);
}

.trust-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.trust-item {
  background: #fff;
  border: 1px solid #d8e4ef;
  border-radius: var(--radius-sm);
  padding: var(--space-md);
}

.trust-item strong {
  display: block;
  font-size: 1.6rem;
  color: var(--brand-dark);
  font-family: "Oswald", "Arial Narrow", sans-serif;
}

.gallery img {
  border-radius: var(--radius-sm);
  border: 1px solid #d9e4ee;
}

.project-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-sm);
  border: 1px solid #cfdae5;
}

.project-card figcaption {
  margin-top: 0.65rem;
  font-weight: 700;
  color: var(--brand-dark);
}

.project-card {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.project-card:hover {
  transform: none;
  box-shadow: none;
  border: 0;
}

.project-placeholder {
  min-height: 220px;
  border: 2px dashed #c2d0dc;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  background: #f4f8fb;
  color: #375066;
  font-weight: 700;
}

.testimonial {
  border-left: 4px solid var(--brand-accent);
}

.cta-band {
  background: linear-gradient(120deg, #0d2334, #1a4a63);
  color: #fff;
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  box-shadow: 0 18px 34px rgba(10, 30, 43, 0.25);
}

.faq-item {
  border: 1px solid #d5dfeb;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 1rem;
}

.faq-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.process-list,
.benefit-list {
  padding-left: 1.1rem;
}

.quote-form {
  display: grid;
  gap: 0.85rem;
}

.quote-form label {
  font-weight: 600;
}

.quote-form input,
.quote-form textarea,
.quote-form select {
  width: 100%;
  border: 1px solid #c8d1db;
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: #fff;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-success {
  display: none;
  color: var(--ok);
  font-weight: 700;
}

.form-success.show {
  display: block;
}

.site-footer {
  background: linear-gradient(180deg, #0c1f2f 0%, #091824 100%);
  color: #d8e1eb;
  padding: var(--space-xl) 0 5.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-md);
}

.site-footer a {
  color: #f8c88e;
}

.small {
  font-size: 0.9rem;
}

.floating-whatsapp {
  position: fixed;
  right: 16px;
  bottom: 76px;
  z-index: 110;
}

.floating-whatsapp a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #1faa4a;
  color: #fff;
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  font-weight: 700;
  box-shadow: 0 14px 26px rgba(20, 126, 54, 0.35);
}

.mobile-call-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #cad3de;
  display: none;
  z-index: 108;
}

.mobile-call-bar a {
  display: block;
  text-align: center;
  padding: 0.85rem;
  font-weight: 800;
  color: var(--brand-dark);
}

.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 130;
}

.popup-overlay.show {
  display: flex;
}

.popup {
  width: min(520px, 95vw);
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-lg);
  box-shadow: var(--shadow);
  position: relative;
}

.popup-close {
  position: absolute;
  right: 12px;
  top: 12px;
  border: none;
  background: transparent;
  font-size: 1.2rem;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .grid-3,
  .footer-grid,
  .trust-points {
    grid-template-columns: 1fr 1fr;
  }

  .grid-2,
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    right: 4vw;
    top: 68px;
    width: min(300px, 92vw);
    background: #fff;
    border: 1px solid #dce2ea;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    display: none;
    padding: 0.75rem;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .grid-3,
  .trust-points,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .floating-whatsapp {
    bottom: 82px;
  }

  .mobile-call-bar {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}