:root {
  --brand-blue: #0569ac;
  --brand-blue-dark: #0f2b3a;
  --brand-gold: #fcc71f;
  --text-color: #1e2a32;
  --muted: #5f6d78;
  --surface: #ffffff;
  --surface-alt: #f5f8fb;
  --border: #d7e1ea;
  --shadow: 0 16px 40px rgba(15, 43, 58, 0.12);
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-color);
  background: #f2f6fa;
  line-height: 1.7;
}

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

a:hover,
a:focus {
  color: var(--brand-blue);
}

.topbar {
  background: var(--brand-blue);
  color: #ffffff;
  font-size: 0.95rem;
  padding: 0.55rem 1.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar span,
.topbar a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.topbar a {
  color: #ffffff;
  font-weight: 500;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(6px);
  box-shadow: 0 18px 36px rgba(15, 43, 58, 0.08);
}

.site-nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--brand-blue-dark);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-toggle:hover,
.nav-toggle:focus {
  background: rgba(5, 105, 172, 0.08);
  color: var(--brand-blue);
  outline: none;
}

.nav-toggle .icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle .icon-bar + .icon-bar {
  margin-top: 5px;
}

.site-nav.is-open .nav-toggle .icon-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav.is-open .nav-toggle .icon-bar:nth-child(2) {
  opacity: 0;
}

.site-nav.is-open .nav-toggle .icon-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--brand-blue-dark);
}

.brand img {
  width: 52px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links li.active > a,
.nav-links a:hover {
  color: var(--brand-blue);
}

.nav-links li.has-dropdown {
  position: relative;
}

.nav-links li.has-dropdown > a::after {
  content: '\25BE';
  margin-left: 0.35rem;
  font-size: 0.7rem;
}

.dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 240px;
  background: #ffffff;
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.8rem 0;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 30;
}

.dropdown li {
  padding: 0.2rem 1.3rem;
}

.dropdown a {
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  font-size: 0.9rem;
  display: block;
  padding: 0.35rem 0;
}

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

.nav-links li.has-dropdown:hover .dropdown,
.nav-links li.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.hero {
  background: linear-gradient(135deg, rgba(5, 105, 172, 0.88), rgba(15, 43, 58, 0.92)),
    url('../uploads/2023/02/313-1600x580.jpg') center/cover;
  color: #ffffff;
  padding: 6.5rem 1.5rem 5.5rem;
}

.hero .hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.3rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1.5rem;
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 2rem;
  max-width: 580px;
}

.cta-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 2.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--brand-gold);
  color: var(--brand-blue-dark);
  box-shadow: 0 12px 28px rgba(252, 199, 31, 0.35);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: #ffffff;
  background: transparent;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(5, 105, 172, 0.2);
}

.section {
  padding: 4.5rem 1.5rem;
}

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

.section .section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 2rem;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  color: var(--brand-blue-dark);
}

.section-header p {
  margin: 0.6rem 0 0;
  color: var(--muted);
  max-width: 720px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.card {
  background: var(--surface);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 18px 40px rgba(15, 43, 58, 0.08);
  height: 100%;
}

.card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--brand-blue);
}

.card p {
  color: #3f4c56;
  margin-bottom: 1.2rem;
}

.card a.more {
  color: var(--brand-blue);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: start;
}

.content-box {
  background: var(--surface);
  border-radius: 22px;
  padding: 2.4rem;
  box-shadow: 0 24px 48px rgba(15, 43, 58, 0.1);
}

.content-box h3 {
  margin-top: 0;
  font-size: 1.4rem;
  color: var(--brand-blue);
}

.content-box img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  margin-bottom: 1.5rem;
}

ul.project-list {
  columns: 2;
  column-gap: 2rem;
  padding-left: 1.2rem;
  margin: 0;
}

ul.project-list li {
  margin-bottom: 0.75rem;
  color: #42505c;
}

.contact-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.contact-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 2.2rem;
  backdrop-filter: blur(6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
}

.contact-card h3 {
  margin-top: 0;
  color: var(--brand-gold);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.contact-list strong {
  display: block;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.contact-list span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

.contact-form {
  background: #ffffff;
  border-radius: 20px;
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.contact-form form {
  display: grid;
  gap: 1.1rem;
}

.contact-form .row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.contact-form label {
  font-weight: 600;
  color: var(--brand-blue-dark);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(5, 105, 172, 0.18);
  font-size: 0.95rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(5, 105, 172, 0.16);
}

.contact-form button {
  background: var(--brand-blue);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 0.95rem 2.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(5, 105, 172, 0.24);
}

.map-frame iframe {
  width: 100%;
  border: none;
  border-radius: 20px;
  min-height: 360px;
  box-shadow: var(--shadow);
}

.page-header {
  margin: 0 0 2rem;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  color: var(--brand-blue-dark);
}

.page-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.page-content {
  background: var(--surface);
  border-radius: 22px;
  padding: 2.6rem;
  box-shadow: var(--shadow);
}

.page-content img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
}

.page-content blockquote {
  margin: 0 0 1.4rem;
  padding: 1.2rem 1.6rem;
  border-left: 4px solid var(--brand-blue);
  background: var(--surface-alt);
  border-radius: 12px;
  font-style: italic;
}

.page-content ul,
.page-content ol {
  padding-left: 1.4rem;
  margin: 0 0 1.2rem;
}

.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.page-content table th,
.page-content table td {
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
}

.social-links {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.site-footer {
  background: var(--brand-blue-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 1.8rem 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 900px) {
  .nav-inner {
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .nav-links {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    padding: 0;
    box-shadow: 0 18px 32px rgba(15, 43, 58, 0.12);
    display: none;
    overflow: hidden;
  }
  .site-nav.is-open .nav-links {
    display: flex;
  }
  .nav-links li {
    width: 100%;
    border-top: 1px solid rgba(15, 43, 58, 0.08);
  }
  .nav-links li:first-child {
    border-top: none;
  }
  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.1rem;
  }
  .nav-links li.has-dropdown > a::after {
    transition: transform 0.3s ease;
  }
  .nav-links li .dropdown {
    position: static;
    min-width: 100%;
    padding: 0;
    box-shadow: none;
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .nav-links li.dropdown-open > .dropdown {
    max-height: 800px;
    padding: 0.4rem 0 0.8rem;
  }
  .nav-links li.dropdown-open > a::after {
    transform: rotate(180deg);
  }
  .dropdown li {
    padding: 0;
  }
  .dropdown a {
    padding: 0.6rem 1.4rem;
    font-size: 0.88rem;
  }
  .hero {
    padding-top: 5.5rem;
    padding-bottom: 4.5rem;
  }
  ul.project-list {
    columns: 1;
  }
}

@media (max-width: 600px) {
  .topbar {
    gap: 0.6rem;
    text-align: center;
  }
  .topbar span,
  .topbar a {
    width: 100%;
    justify-content: center;
  }
  .card {
    padding: 1.6rem;
  }
  .page-content {
    padding: 2rem 1.4rem;
    border-radius: 18px;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
}