:root {
  --deep: #0b5b70;
  --primary: #12879e;
  --primary-light: #4fb3c9;
  --accent: #3fae6a;
  --bg: #f4fbfc;
  --white: #ffffff;
  --text: #1e2b30;
  --muted: #5b6b70;
  --border: #dcecef;
  --shadow: 0 10px 30px rgba(11, 91, 112, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Top bar */
.topbar {
  background: var(--deep);
  color: #eaf7fa;
  font-size: 0.85rem;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a { color: #eaf7fa; }
.topbar span { margin-right: 22px; }
.topbar .topbar-social a {
  margin-left: 14px;
  margin-right: 0;
  opacity: 0.9;
}

/* Header / nav */
header.site-header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--deep);
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  align-items: center;
}
nav.main-nav a {
  font-weight: 600;
  color: var(--text);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: 0.2s;
}
nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
}

.nav-ctas { display: flex; gap: 10px; }

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(63,174,106,0.35);
}
.btn-primary:hover { background: #359a5c; }

.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }

.btn-outline-dark {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline-dark:hover { background: var(--primary); color: #fff; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--deep);
  border-radius: 2px;
}

/* Hero slider */
.hero {
  position: relative;
  height: 78vh;
  min-height: 480px;
  overflow: hidden;
  color: #fff;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.1s ease-in-out;
  display: flex;
  align-items: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,45,58,0.72) 0%, rgba(11,45,58,0.38) 60%, rgba(11,45,58,0.15) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: 0 24px;
  margin-left: max(24px, calc((100% - 1180px) / 2));
}
.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 14px;
}
.hero-content h1 {
  font-size: 2.9rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero-content p { font-size: 1.15rem; margin-bottom: 28px; color: #eef7f8; }

.hero-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  border: none;
}
.hero-dot.active { background: var(--accent); }

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.6rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-arrow:hover { background: rgba(255,255,255,0.3); }
.hero-arrow.prev { left: 20px; }
.hero-arrow.next { right: 20px; }

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(120deg, var(--deep), var(--primary));
  color: #fff;
  padding: 70px 0;
  text-align: center;
}
.page-hero h1 { font-size: 2.4rem; margin-bottom: 10px; }
.page-hero p { opacity: 0.9; }

/* Sections */
section { padding: 80px 0; }
.section-heading { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-heading .eyebrow {
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  margin-bottom: 10px;
  display: block;
}
.section-heading h2 { font-size: 2.1rem; color: var(--deep); margin-bottom: 12px; }
.section-heading p { color: var(--muted); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.service-card {
  background: var(--white);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.service-card:hover { transform: translateY(-6px); }
.service-card img { height: 190px; width: 100%; object-fit: cover; }
.service-card-body { padding: 22px; }
.service-card-body h3 { color: var(--deep); margin-bottom: 10px; font-size: 1.15rem; }
.service-card-body p { color: var(--muted); font-size: 0.95rem; margin-bottom: 16px; }
.service-card-body a { color: var(--primary); font-weight: 700; font-size: 0.9rem; }

.why-us { background: var(--white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
}
.why-item .icon {
  width: 64px; height: 64px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem;
}
.why-item h3 { color: var(--deep); margin-bottom: 8px; }
.why-item p { color: var(--muted); font-size: 0.95rem; }

.cta-band {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #fff;
  text-align: center;
  padding: 60px 0;
}
.cta-band h2 { font-size: 1.9rem; margin-bottom: 12px; }
.cta-band p { margin-bottom: 26px; opacity: 0.95; }
.cta-band .btn-primary { background: #fff; color: var(--deep); box-shadow: none; }
.cta-band .btn-primary:hover { background: #eef7f8; }

/* About */
.about-flex {
  display: flex;
  gap: 50px;
  align-items: center;
}
.about-flex img { border-radius: 16px; box-shadow: var(--shadow); }
.about-flex .text { flex: 1; }
.about-flex .text h2 { color: var(--deep); font-size: 2rem; margin-bottom: 18px; }
.about-flex .text p { color: var(--muted); margin-bottom: 16px; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
  text-align: center;
}
.stats-row .stat h3 { font-size: 2.2rem; color: var(--accent); }
.stats-row .stat p { color: var(--muted); font-size: 0.9rem; }

/* Services page list */
.services-list {
  display: grid;
  gap: 40px;
}
.service-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.service-row img { height: 100%; min-height: 260px; object-fit: cover; }
.service-row .content { padding: 34px 40px 34px 0; }
.service-row:nth-child(even) { direction: rtl; }
.service-row:nth-child(even) .content { direction: ltr; padding: 34px 0 34px 40px; }
.service-row h3 { color: var(--deep); font-size: 1.5rem; margin-bottom: 14px; }
.service-row p { color: var(--muted); margin-bottom: 10px; }
.service-row ul { margin: 14px 0 20px 20px; color: var(--muted); }
.service-row ul li { margin-bottom: 6px; }

/* Contact */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.contact-info-card, .contact-form-card {
  background: var(--white);
  padding: 34px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.contact-info-card h3 { color: var(--deep); margin-bottom: 20px; }
.contact-info-card .row { margin-bottom: 18px; display: flex; gap: 14px; align-items: flex-start; }
.contact-info-card .row .ico {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-card .row .label { font-weight: 700; color: var(--deep); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-info-card .row a, .contact-info-card .row span.value { color: var(--muted); }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; color: var(--deep); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.8rem; color: var(--muted); margin-top: 14px; }

.quote-toggle {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  background: var(--bg);
  border-radius: 30px;
  padding: 5px;
  border: 1px solid var(--border);
}
.quote-toggle button {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px;
  border-radius: 24px;
  font-weight: 700;
  cursor: pointer;
  color: var(--muted);
}
.quote-toggle button.active {
  background: var(--primary);
  color: #fff;
}
.hidden { display: none; }

/* Footer */
footer.site-footer {
  background: var(--deep);
  color: #d9eef2;
  padding: 60px 0 24px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 { color: #fff; margin-bottom: 18px; font-size: 1.05rem; }
.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul a:hover { color: var(--accent); }
.footer-logo { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-logo span { color: var(--accent); }
.footer-grid p.desc { color: #b8d8dd; font-size: 0.92rem; max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.footer-social a:hover { background: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #a9c8cd;
}

/* Responsive */
@media (max-width: 960px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .about-flex { flex-direction: column; }
  .service-row, .service-row:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
  .service-row .content, .service-row:nth-child(even) .content { padding: 10px 26px 30px; }
  .service-row img { min-height: 200px; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  nav.main-nav, .nav-ctas { display: none; }
  .hamburger { display: flex; }
  .hero-content h1 { font-size: 2.1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar span:first-child { display: block; margin-bottom: 4px; }
}

/* Mobile nav open state */
body.nav-open nav.main-nav {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
body.nav-open nav.main-nav ul {
  flex-direction: column;
  padding: 20px 24px;
  gap: 16px;
}
body.nav-open .nav-ctas {
  display: flex;
  position: absolute;
  top: calc(100% + 210px);
  left: 24px;
  right: 24px;
  z-index: 50;
}