:root {
  --navy: #16233f;
  --navy-dark: #0d1626;
  --gold: #d9a441;
  --gold-dark: #b8862f;
  --text: #232733;
  --text-light: #5b6270;
  --bg-alt: #f4f5f7;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(13, 22, 38, 0.12);
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); }

.btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
}
.btn-gold:hover { background: var(--gold-dark); }

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

.btn-call {
  background: var(--navy);
  color: #fff;
  padding: 10px 20px;
  font-size: 0.9rem;
}
.btn-call:hover { background: var(--navy-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 12px rgba(13,22,38,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.logo-mark { flex-shrink: 0; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text strong {
  font-size: 1.25rem;
  color: var(--navy);
  letter-spacing: 0.5px;
}
.logo-text small {
  font-size: 0.62rem;
  letter-spacing: 1.5px;
  color: var(--gold-dark);
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav > a { color: var(--text); padding: 8px 0; }
.main-nav > a:hover { color: var(--navy); }

.nav-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.15s ease;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}
.dropdown-menu a:hover { background: var(--bg-alt); color: var(--navy); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,22,38,0.55) 0%, rgba(13,22,38,0.75) 60%, rgba(13,22,38,0.9) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-top: 60px;
  padding-bottom: 60px;
}
.eyebrow {
  display: inline-block;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--navy);
  color: #fff;
  padding: 28px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item { display: flex; flex-direction: column; gap: 4px; }
.trust-item strong { color: var(--gold); font-size: 1.05rem; }
.trust-item span { font-size: 0.85rem; color: rgba(255,255,255,0.8); }

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

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 12px;
  text-align: center;
}
.section-lead {
  text-align: center;
  color: var(--text-light);
  max-width: 620px;
  margin: 0 auto 48px;
}

/* ---------- Product overview cards ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.product-card:hover { transform: translateY(-6px); }
.product-card img { height: 170px; width: 100%; object-fit: cover; }
.product-card-body { padding: 18px 20px 22px; }
.product-card-body h3 { margin: 0 0 8px; font-size: 1.1rem; color: var(--navy); }
.product-card-body p { margin: 0; font-size: 0.9rem; color: var(--text-light); }

/* ---------- Product detail sections ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.detail-grid.reverse .detail-gallery { order: 2; }
.detail-grid.reverse .detail-text { order: 1; }

.tag {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-dark);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.detail-text h2 {
  font-size: 1.9rem;
  color: var(--navy);
  margin: 0 0 14px;
  font-weight: 800;
}
.detail-text .tagline {
  font-weight: 600;
  color: var(--text);
  font-size: 1.05rem;
}
.detail-text p { color: var(--text-light); }

.feature-list, .spec-list {
  margin: 18px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.feature-list li, .spec-list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.95rem;
  color: var(--text);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
}
.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 3px;
  background: var(--navy);
}
.spec-list li strong { color: var(--navy); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.gallery-grid img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.gallery-grid img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow);
}

.about-img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Projects gallery ---------- */
.projects-grid {
  grid-template-columns: repeat(5, 1fr);
}
.projects-grid img { height: 190px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-card {
  background: #fff;
  border: 1px solid #ececef;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  text-align: center;
}
.contact-card h3 { margin: 0 0 14px; color: var(--navy); }
.contact-link {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}
.contact-link:hover { color: var(--gold-dark); }
.contact-whatsapp {
  display: inline-block;
  background: #25D366;
  color: #fff;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}
.contact-whatsapp:hover { background: #1ebe5b; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,0.85); }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: center;
  padding: 40px 24px;
}
.footer-logo .logo-text strong { color: #fff; }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; font-weight: 600; font-size: 0.9rem; }
.footer-nav a:hover { color: var(--gold); }
.footer-contacts { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; }
.footer-contacts a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0;
  font-size: 0.8rem;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(255,255,255,0.55);
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
}
.whatsapp-float a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  transition: transform 0.15s ease;
}
.whatsapp-float a:hover { transform: scale(1.08); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 24, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-close, .lightbox-nav {
  position: absolute;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}
.lightbox-close:hover, .lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid, .detail-grid.reverse { grid-template-columns: 1fr; }
  .detail-grid.reverse .detail-gallery,
  .detail-grid.reverse .detail-text { order: unset; }
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 30px;
    box-shadow: var(--shadow);
    transform: translateY(-140%);
    opacity: 0;
    transition: all 0.2s ease;
    pointer-events: none;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-dropdown, .main-nav > a { width: 100%; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    padding-left: 12px;
  }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .nav-toggle { display: flex; }
  .header-call { display: none; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-gallery .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
  .hero { min-height: 100vh; }
}

@media (max-width: 480px) {
  .trust-grid { grid-template-columns: 1fr; text-align: center; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .lightbox-nav { width: 38px; height: 38px; }
}