:root {
  --bg: #f4f6f8;
  --bg-soft: #eef2f5;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-2: rgba(248, 250, 252, 0.95);
  --line: rgba(79, 92, 105, 0.16);
  --text: #1f2a33;
  --muted: #5f6d78;
  --silver: #6b7a86;
  --steel: #8c99a5;
  --accent: #9caab5;
  --accent-dark: #6b7a86;
  --shadow: 0 18px 45px rgba(56, 69, 80, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(244, 246, 248, 0.9), rgba(244, 246, 248, 0.94)),
    url("images/watermark-building.jpg") center center / cover fixed no-repeat,
    linear-gradient(180deg, #f8fafb 0%, #eef2f5 100%);
  line-height: 1.6;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(79, 92, 105, 0.16);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 14px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 25px rgba(56, 69, 80, 0.1);
  flex-shrink: 0;
}

.brand span {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  color: #1f2a33;
}

.brand small {
  display: block;
  color: #5f6d78;
  font-size: 0.85rem;
}

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

.site-nav a {
  color: #5f6d78;
  font-weight: 600;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: #1f2a33;
}

.hero,
.page-hero {
  padding: 96px 0 72px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--silver);
  margin-bottom: 14px;
}

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

h1 {
  font-size: clamp(2.4rem, 4vw, 4.6rem);
  margin-bottom: 20px;
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 60ch;
}

.narrow {
  max-width: 50rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(145deg, #aab5be, #7b8995);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(56, 69, 80, 0.14);
}

.btn-secondary {
  border: 1px solid rgba(79, 92, 105, 0.18);
  color: var(--text);
  background: rgba(255, 255, 255, 0.6);
}

.panel-card,
.card,
.cta-box {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(248, 250, 252, 0.8));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 30px;
}

.panel-card ul,
.check-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.32);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p:last-child {
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 24px;
}

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

.card {
  padding: 28px;
}

.card p,
.feature-item p,
.service-copy p,
.contact-card p {
  color: var(--muted);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 20px;
}

.feature-item {
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 8px 20px rgba(56, 69, 80, 0.06);
}

.cta-section {
  padding-top: 40px;
}

.cta-box {
  padding: 30px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.service-block {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.service-block.reverse {
  grid-template-columns: 0.8fr 1.2fr;
}

.side-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(241, 245, 248, 0.82));
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.contact-form {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.contact-form label {
  font-weight: 700;
  color: var(--silver);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(79, 92, 105, 0.16);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #8f9aa4;
}

.form-note {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  background: rgba(255, 255, 255, 0.88);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-wrap p {
  margin: 6px 0;
  color: var(--muted);
}

@media (max-width: 920px) {
  .hero-grid,
  .split-grid,
  .service-block,
  .service-block.reverse,
  .contact-grid,
  .three-up {
    grid-template-columns: 1fr;
  }

  .cta-box,
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 14px 18px;
  }

  h1 {
    max-width: 100%;
  }
}

@media (max-width: 560px) {
  .hero,
  .page-hero,
  .section {
    padding: 56px 0;
  }

  .panel-card,
  .card,
  .cta-box {
    padding: 22px;
  }

  .brand {
    align-items: flex-start;
  }
}