:root {
  --navy: #172033;
  --blue: #2f5f8f;
  --light-blue: #eaf2fa;
  --cream: #f8f5ef;
  --white: #ffffff;
  --gray: #6b7280;
  --dark: #111827;
  --border: #e5e7eb;
  --green: #0f766e;
  --orange: #b45309;
  --red: #991b1b;
  --shadow: 0 18px 45px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

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

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.menu-toggle {
  display: none;
  border: none;
  background: var(--navy);
  color: var(--white);
  font-size: 1.3rem;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(rgba(23, 32, 51, 0.68), rgba(23, 32, 51, 0.68)),
    url("images/building.jpg") center/cover no-repeat;
}

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

.eyebrow {
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-weight: 800;
  font-size: 0.78rem;
  margin: 0 0 10px;
}

.hero .eyebrow {
  color: #b9d7f3;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin-top: 0;
  color: var(--navy);
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.4rem, 6vw, 5rem);
  max-width: 850px;
  margin-bottom: 20px;
  letter-spacing: -0.06em;
}

.hero-text {
  max-width: 620px;
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: #244c73;
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.75);
  color: var(--white);
}

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

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--cream);
}

.two-column {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: start;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 18px;
  letter-spacing: -0.04em;
}

.section-intro {
  max-width: 720px;
  color: var(--gray);
  margin-bottom: 28px;
}

.overview-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.overview-card ul {
  padding-left: 20px;
  margin: 0;
}

.overview-card li {
  margin-bottom: 10px;
}

.amenities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.amenity-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  min-height: 170px;
}

.amenity-card h3 {
  margin-bottom: 10px;
}

.amenity-card p {
  color: var(--gray);
  margin: 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.filter-btn {
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--dark);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--navy);
  color: var(--white);
}

.units-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.unit-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.08);
}

.unit-card.hidden {
  display: none;
}

.unit-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  background: var(--light-blue);
}

.unit-content {
  padding: 22px;
}

.unit-topline {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 8px;
}

.unit-topline h3 {
  margin: 0;
}

.status {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-size: 0.75rem;
  font-weight: 900;
  padding: 6px 10px;
  border-radius: 999px;
}

.status.available {
  background: #ccfbf1;
  color: var(--green);
}

.status.coming-soon {
  background: #ffedd5;
  color: var(--orange);
}

.status.rented {
  background: #fee2e2;
  color: var(--red);
}

.unit-price {
  font-size: 1.35rem;
  color: var(--navy);
  font-weight: 900;
  margin: 0 0 6px;
}

.unit-meta {
  color: var(--gray);
  font-weight: 700;
  margin: 0 0 14px;
}

.unit-link {
  display: inline-block;
  color: var(--blue);
  font-weight: 900;
  text-decoration: none;
  margin-top: 8px;
}

.unit-link:hover {
  text-decoration: underline;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-details {
  margin-top: 28px;
  background: var(--white);
  border-radius: 22px;
  padding: 24px;
  border: 1px solid var(--border);
}

.contact-details p {
  margin: 0 0 10px;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: block;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  display: block;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 0;
}

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

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.95rem;
}

.footer-content p {
  margin: 0;
}

@media (max-width: 950px) {
  .amenities-grid,
  .units-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
  }

  .nav.open {
    display: flex;
  }

  .hero {
    min-height: 560px;
  }

  .section {
    padding: 64px 0;
  }

  .amenities-grid,
  .units-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
  }
}