:root {
  --navy: #0f172a;
  --navy-light: #1e293b;
  --gold: #d6a428;
  --gold-dark: #b88712;
  --white: #ffffff;
  --light: #f5f7fa;
  --text: #334155;
  --muted: #64748b;
  --border: #e2e8f0;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

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

.container {
  width: min(1160px, 92%);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}

.logo-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--gold);
  color: var(--navy);
  font-weight: 800;
}

.logo strong,
.logo small {
  display: block;
}

.logo strong {
  font-size: 15px;
}

.logo small {
  font-size: 11px;
  color: #cbd5e1;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.main-nav a {
  color: #e2e8f0;
  font-size: 14px;
  font-weight: 600;
  transition: .25s;
}

.main-nav a:hover {
  color: var(--gold);
}

.nav-button {
  background: var(--gold);
  color: var(--navy) !important;
  padding: 11px 18px;
  border-radius: 8px;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px;
  background: white;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background:
    url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=2000&q=85")
    center/cover no-repeat;
  color: var(--white);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,23,42,.96), rgba(15,23,42,.68), rgba(15,23,42,.35));
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 110px;
}

.eyebrow,
.section-label {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.hero h1 {
  max-width: 850px;
  font-family: "Playfair Display", serif;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-text {
  max-width: 700px;
  font-size: 19px;
  color: #e2e8f0;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 10px;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  transition: transform .25s, background .25s;
}

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

.btn-primary {
  background: var(--gold);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--gold-dark);
}

.btn-outline {
  border: 1px solid rgba(255,255,255,.55);
  color: var(--white);
}

.hero-stats {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 850px;
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 24px;
}

.hero-stats div {
  padding-right: 28px;
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  color: var(--gold);
  font-size: 18px;
}

.hero-stats span {
  color: #cbd5e1;
  font-size: 13px;
}

.section {
  padding: 110px 0;
}

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

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

.split-grid,
.quote-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.section h2 {
  color: var(--navy);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.15;
  margin-bottom: 24px;
}

.section p + p {
  margin-top: 16px;
}

.text-link {
  display: inline-block;
  margin-top: 22px;
  color: var(--gold-dark);
  font-weight: 800;
}

.about-card {
  background: var(--navy);
  color: white;
  border-radius: var(--radius);
  padding: 42px;
  box-shadow: var(--shadow);
}

.about-card h3 {
  font-size: 26px;
  margin-bottom: 24px;
}

.check-list {
  list-style: none;
}

.check-list li {
  padding: 12px 0 12px 30px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 900;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 55px;
  text-align: center;
}

.section-heading.light h2,
.section-dark h2 {
  color: var(--white);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: 0 10px 30px rgba(15,23,42,.05);
  transition: .3s;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}

.icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff6da;
  color: var(--gold-dark);
  font-weight: 900;
  margin-bottom: 22px;
}

.service-card h3 {
  color: var(--navy);
  margin-bottom: 10px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  min-height: 430px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background-position: center;
  background-size: cover;
}

.project-one {
  background-image: linear-gradient(transparent, rgba(15,23,42,.9)),
  url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1200&q=85");
}

.project-two {
  background-image: linear-gradient(transparent, rgba(15,23,42,.9)),
  url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1200&q=85");
}

.project-three {
  background-image: linear-gradient(transparent, rgba(15,23,42,.9)),
  url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1200&q=85");
}

.project-info {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  color: var(--white);
}

.project-info span {
  color: var(--gold);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1px;
}

.project-info h3 {
  font-size: 23px;
  margin: 6px 0;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit {
  padding: 28px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
}

.benefit strong {
  color: var(--gold);
}

.benefit h3 {
  margin: 12px 0 8px;
}

.benefit p {
  color: #cbd5e1;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.process-grid div {
  border-left: 3px solid var(--gold);
  padding: 6px 0 6px 22px;
}

.process-grid span {
  color: var(--gold-dark);
  font-weight: 900;
}

.process-grid h3 {
  color: var(--navy);
  margin: 8px 0;
}

.quote-form {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

label {
  display: block;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 18px;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 14px 15px;
  font: inherit;
  color: var(--text);
  background: var(--white);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(214,164,40,.14);
}

.full-width {
  width: 100%;
}

.form-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}

.contact-mini {
  margin-top: 30px;
  padding: 24px;
  background: var(--navy);
  color: white;
  border-radius: 14px;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-cards div {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.contact-cards span {
  display: block;
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.site-footer {
  background: #080d19;
  color: #cbd5e1;
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}

.footer-grid h4 {
  color: white;
  margin-bottom: 16px;
}

.footer-grid a,
.footer-grid p {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 50px;
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
}

.whatsapp-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1000;
  background: #25d366;
  color: white;
  font-weight: 800;
  padding: 13px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 4%;
    background: var(--navy);
  }

  .main-nav.open {
    display: flex;
  }

  .split-grid,
  .quote-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .card-grid,
  .project-grid,
  .benefit-grid,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 620px) {
  .hero {
    min-height: 900px;
  }

  .hero h1 {
    font-size: 45px;
  }

  .hero-stats,
  .card-grid,
  .project-grid,
  .benefit-grid,
  .process-grid,
  .form-row,
  .contact-cards,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 18px;
  }

  .section {
    padding: 80px 0;
  }

  .quote-form,
  .about-card {
    padding: 25px;
  }

  .project-card {
    min-height: 360px;
  }
}