* {
  box-sizing: border-box;
}

:root {
  --primary: #0f2742;
  --secondary: #1e4c7a;
  --gold: #c69b45;
  --text: #1f2937;
  --muted: #667085;
  --light: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(15, 39, 66, 0.14);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 39, 66, 0.08);
}

.nav {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--primary);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--gold);
  font-weight: 900;
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  background:
    linear-gradient(90deg, rgba(15, 39, 66, 0.85), rgba(15, 39, 66, 0.38)),
    url("assets/building-tower.jpeg") center/cover no-repeat;
  color: var(--white);
  padding-top: 74px;
}

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

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

h1 {
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.03;
  margin: 16px 0;
}

h2 {
  color: var(--primary);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  margin: 10px 0 20px;
}

h3 {
  color: var(--primary);
  margin-bottom: 8px;
}

.hero-text {
  font-size: 20px;
  max-width: 650px;
  color: rgba(255,255,255,0.9);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn,
.whatsapp,
.contact-form button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 999px;
  padding: 14px 24px;
  text-decoration: none;
  font-weight: 800;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.whatsapp:hover,
.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.primary,
.contact-form button {
  background: var(--gold);
  color: var(--primary);
}

.secondary {
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.55);
}

.section {
  padding: 96px 0;
}

.soft {
  background: var(--light);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  align-items: center;
}

.image-card,
.map-card,
.contact-form,
.card,
.address-box {
  background: var(--white);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.image-card img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
}

.card {
  padding: 28px;
}

.icon {
  font-size: 34px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 30px;
}

.gallery-grid img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.address-box {
  padding: 30px;
  font-size: 18px;
}

.map-card iframe {
  width: 100%;
  min-height: 420px;
  border: 0;
  display: block;
}

.contact {
  background: linear-gradient(135deg, #ffffff 0%, #f5f7fa 100%);
}

.contact-line a {
  color: var(--secondary);
  text-decoration: none;
}

.whatsapp {
  background: #1f8f4d;
  color: white;
  margin-top: 14px;
}

.contact-form {
  padding: 30px;
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d0d5dd;
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

footer {
  background: var(--primary);
  color: white;
  padding: 26px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 850px) {
  nav {
    display: none;
  }

  .split,
  .cards,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    gap: 16px;
  }

  .section {
    padding: 70px 0;
  }

  .image-card img,
  .gallery-grid img {
    height: 320px;
  }
}