:root {
  --bg: #f5f8f8;
  --panel: #ffffff;
  --ink: #405966;
  --ink-dark: #2f4652;
  --muted: #78919c;
  --blue-gray: #405966;
  --blue-gray-dark: #2f4652;
  --light-blue: #b5cbd3;
  --pale-blue: #eef5f6;
  --border: #dce8eb;
  --danger: #b94536;
}

* { box-sizing: border-box; }

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

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

.container {
    width: min(1400px, 95%);
    margin: 0 auto;
}

.container-narrow {
    width: min(900px, 92%);
    margin: 0 auto;
}

.site-header {
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 20px;
}

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

.brand-logo {
  width: 165px;
  max-height: 70px;
  object-fit: contain;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 700;
}

.main-nav a {
  color: var(--ink-dark);
}

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

.nav-cta,
.btn-primary {
  background: var(--blue-gray);
  color: white !important;
  padding: 10px 16px;
  border-radius: 999px;
  display: inline-block;
  border: 0;
  cursor: pointer;
  font-weight: 700;
}

.nav-cta:hover,
.btn-primary:hover {
  background: var(--blue-gray-dark);
  color: white !important;
}

.btn-secondary {
  border: 1px solid var(--blue-gray);
  color: var(--blue-gray);
  padding: 10px 16px;
  border-radius: 999px;
  display: inline-block;
  font-weight: 700;
  background: white;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 1.8rem;
  color: var(--ink-dark);
}

.hero {
  padding: 90px 0;
  background:
    linear-gradient(110deg, rgba(47,70,82,.92), rgba(181,203,211,.78)),
    url('/assets/images/hero-placeholder.jpg');
  color: white;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  max-width: 760px;
  margin: 0 0 20px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 660px;
  color: #f5fbfc;
}

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

.hero .btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.section {
  padding: 70px 0;
}

.section-title {
  font-size: 2.3rem;
  margin: 0 0 14px;
  color: var(--ink-dark);
}

.section-lead {
  color: var(--muted);
  max-width: 780px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 22px;
  margin-top: 30px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 26px;
  margin-top: 30px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(47,70,82,.07);
}

.card h3 {
  margin-top: 0;
  color: var(--ink-dark);
}

.form-card {
  max-width: 760px;
  margin: 30px auto;
}

label {
  display: block;
  font-weight: 700;
  margin: 14px 0 6px;
  color: var(--ink-dark);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: white;
  color: var(--ink-dark);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.alert {
  padding: 14px 16px;
  border-radius: 12px;
  margin: 18px 0;
  background: var(--pale-blue);
  border: 1px solid var(--light-blue);
}

.alert-error {
  background: #fff1ef;
  border-color: #e6b8b1;
  color: var(--danger);
}

.table-wrap {
  overflow-x: auto;
  background: white;
  border-radius: 14px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--pale-blue);
  color: var(--ink-dark);
}

.badge {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--pale-blue);
  color: var(--ink-dark);
  font-size: .85rem;
}

.message {
  border: 1px solid var(--border);
  background: white;
  border-radius: 14px;
  padding: 14px;
  margin: 12px 0;
}

.message.admin {
  border-left: 5px solid var(--blue-gray);
}

.message.customer {
  border-left: 5px solid var(--light-blue);
}

.project-img {
  height: 180px;
  border-radius: 14px;
  background: var(--pale-blue);
  display: grid;
  place-items: center;
  color: var(--muted);
  margin-bottom: 12px;
  overflow: hidden;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer {
  background: var(--blue-gray-dark);
  color: white;
  padding: 45px 0;
  margin-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
}

.site-footer a {
  display: block;
  color: var(--light-blue);
  margin: 6px 0;
}

.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 76px);
}

.admin-sidebar {
  background: var(--blue-gray-dark);
  color: white;
  padding: 24px;
}

.admin-sidebar a {
  display: block;
  padding: 10px 0;
  color: white;
}

.admin-content {
  padding: 30px;
}

@media (max-width: 800px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 86px;
    background: white;
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
  }

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

  .grid-3,
  .grid-2,
  .footer-grid,
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 65px 0;
  }

  .brand-logo {
    width: 135px;
  }
}