:root {
  --primary: #0d5c63;
  --primary-dark: #093e43;
  --accent: #f2a541;
  --text: #1f2d2f;
  --text-light: #5a6b6d;
  --bg: #ffffff;
  --bg-alt: #f4f8f7;
  --border: #e2e8e7;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(13, 92, 99, 0.1);
  --font-head: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; color: var(--primary-dark); }

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

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #22190a;
}
.btn-primary:hover { background: #e08f22; transform: translateY(-2px); }
.btn-outline {
  border-color: #fff;
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}
.logo img { height: 48px; width: auto; }
.main-nav {
  display: flex;
  gap: 28px;
}
.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  padding: 6px 0;
  position: relative;
}
.main-nav a:hover { color: var(--primary); }
.nav-cta { white-space: nowrap; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 3px;
  background: var(--primary-dark);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(9,62,67,0.92) 0%, rgba(13,92,99,0.78) 55%, rgba(13,92,99,0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 100px;
}
.tag-pill {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 34px;
  max-width: 600px;
}
.hero-sub strong { color: #fff; font-weight: 700; }
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Strip */
.strip {
  background: var(--primary-dark);
  color: #fff;
}
.strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  padding: 26px 24px;
}
.strip-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 200px;
}
.strip-item strong { font-family: var(--font-head); font-size: 1.05rem; }
.strip-item span { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* Sections */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 50px;
}
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 14px; }
.section-head p { color: var(--text-light); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.two-col.reverse .col-img { order: 2; }
.two-col.reverse .col-text { order: 1; }
.col-img img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.col-text .eyebrow { margin-bottom: 8px; }
.col-text h2 { font-size: clamp(1.8rem, 3vw, 2.2rem); margin-bottom: 18px; }
.col-text p { color: var(--text-light); margin-bottom: 16px; }

.check-list { list-style: none; margin-top: 20px; }
.check-list li {
  padding-left: 30px;
  position: relative;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--primary-dark);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #fff;
  background: var(--primary);
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}
.card:hover { transform: translateY(-6px); }
.card-img {
  height: 180px;
  background-size: cover;
  background-position: center;
}
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card-body p { color: var(--text-light); font-size: 0.95rem; }

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.product {
  text-align: center;
  display: block;
  transition: transform 0.25s ease;
}
.product:hover { transform: translateY(-4px); }
.product img {
  border-radius: var(--radius);
  height: 180px;
  width: 100%;
  object-fit: cover;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.product h3 { margin-bottom: 8px; font-size: 1.1rem; }
.product p { color: var(--text-light); font-size: 0.92rem; }

/* CTA Band */
.cta-band {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 70px 0;
  text-align: center;
}
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,0.85); margin-bottom: 28px; }

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--bg-alt);
  border-radius: 12px;
  padding: 18px 22px;
  border: 1px solid var(--border);
}
.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--primary-dark);
  font-family: var(--font-head);
}
.faq-item p { margin-top: 12px; color: var(--text-light); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 50px;
}
.contact-form {
  background: var(--bg-alt);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--primary-dark);
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: #fff;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-note { margin-top: 14px; font-weight: 600; color: var(--primary); }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: center;
}
.info-item h4 { color: var(--accent); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.info-item p { color: var(--text-light); }
.info-item a:hover { color: var(--primary); }

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.footer-col a { color: rgba(255,255,255,0.7); }
.footer-col a:hover { color: #fff; }
.footer-col p { color: rgba(255,255,255,0.7); font-size: 0.92rem; }
.footer-logo {
  height: 48px;
  width: auto;
  background: #fff;
  padding: 8px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}
.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.main-nav a.active { color: var(--primary); }

/* Page header (inner pages) */
.page-header {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 160px 0 70px;
  text-align: center;
}
.page-header h1 { color: #fff; font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto; }
.breadcrumb { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.9); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }

/* Service detail blocks */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse .sd-img { order: 2; }
.service-detail.reverse .sd-text { order: 1; }
.sd-img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: 320px; object-fit: cover; }
.sd-text .icon-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg-alt); color: var(--primary); font-weight: 800;
  margin-bottom: 16px; font-family: var(--font-head);
}
.sd-text h2 { font-size: 1.6rem; margin-bottom: 14px; }
.sd-text p { color: var(--text-light); margin-bottom: 14px; }
.sd-text ul { list-style: none; margin-top: 12px; }
.sd-text ul li { padding-left: 26px; position: relative; margin-bottom: 8px; color: var(--text); font-size: 0.95rem; }
.sd-text ul li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; color: #fff;
  background: var(--accent); width: 18px; height: 18px; border-radius: 50%;
  font-size: 0.65rem; display: flex; align-items: center; justify-content: center;
}

@media (max-width: 900px) {
  .service-detail { grid-template-columns: 1fr; }
  .service-detail.reverse .sd-img, .service-detail.reverse .sd-text { order: initial; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Responsive */
@media (max-width: 900px) {
  .two-col, .contact-grid { grid-template-columns: 1fr; }
  .two-col.reverse .col-img, .two-col.reverse .col-text { order: initial; }
  .col-img img { height: 300px; }
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }

  .header-inner { padding-top: 10px; padding-bottom: 10px; }
  .logo img { height: 38px; }

  .main-nav {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 6px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    transform: translateY(-110%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
    overflow-y: auto;
  }
  .main-nav a { padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 1.05rem; }
  .main-nav.open { transform: translateY(0); opacity: 1; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .hero { min-height: 100svh; text-align: left; }
  .hero-content { padding-top: 90px; padding-bottom: 40px; }
  .hero h1 { font-size: 2.1rem; }
  .hero-sub { font-size: 1rem; }
  .hero-sub br { display: none; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { text-align: center; width: 100%; }

  .strip-inner { flex-direction: column; justify-content: flex-start; align-items: flex-start; gap: 16px; padding: 24px 18px; }
  .strip-item { flex: none; gap: 2px; }

  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 1.6rem; }

  .two-col, .contact-grid, .service-detail { gap: 30px; }
  .col-img img { height: 240px; }

  .cards-grid, .products-grid { gap: 20px; }
  .card-img { height: 160px; }

  .cta-band { padding: 50px 0; }
  .cta-band h2 { font-size: 1.4rem; }

  .contact-form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }

  .page-header { padding: 130px 0 50px; }
  .page-header h1 { font-size: 1.7rem; }

  .footer-grid { gap: 30px; text-align: left; }
  .footer-bottom { font-size: 0.78rem; }

  .sd-img img { height: 220px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 1.8rem; }
  .tag-pill { font-size: 0.75rem; padding: 6px 14px; }
  .btn { padding: 13px 22px; font-size: 0.9rem; }
  .section-head h2 { font-size: 1.4rem; }
  .card-body { padding: 18px; }
}