:root {
  --navy: #1e3563;
  --navy-dark: #142447;
  --grey: #5b6470;
  --light-grey: #f4f6f9;
  --border: #e5e8ee;
  --text: #1c2430;
  --muted: #6b7480;
  --white: #ffffff;
  --sidebar-w: 38px;
  --header-h: 88px;
  --max: 1160px;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(20,36,71,.08);
  --transition: .3s ease;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: "Segoe UI","Helvetica Neue",Arial,sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  padding-left: var(--sidebar-w);
}
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }

/* ── LEFT SIDEBAR ─────────────────────────────── */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--border);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-label {
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--navy);
  user-select: none;
  white-space: nowrap;
}

/* ── HEADER / NAV ──────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 78px;
  width: auto;
  max-height: 78px;
  display: block;
  object-fit: contain;
}

.menu {
  display: flex;
  align-items: center;
  gap: 30px;
  flex: 1;
  justify-content: center;
}

.menu a {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}

.menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--navy);
  transition: width var(--transition);
}

.menu a:hover,
.menu a.active { color: var(--navy); }
.menu a:hover::after,
.menu a.active::after { width: 100%; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--navy);
  color: #fff;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  border: 2px solid var(--navy);
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: #fff;
}

.btn-light {
  background: #fff;
  color: var(--navy);
  border-color: #fff;
}

.btn-light:hover {
  background: var(--light-grey);
  border-color: var(--light-grey);
  transform: translateY(-2px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

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

.section { padding: 80px 0; }
.section-light { background: var(--light-grey); }

.section-head {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 50px;
}

.section-head .eyebrow {
  color: var(--navy);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 12px;
}

.section-head h2 {
  font-size: clamp(24px,4vw,36px);
  margin: 10px 0 12px;
  color: var(--navy-dark);
}

.section-head p { color: var(--muted); }

/* ── HERO ──────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,rgba(20,36,71,.88),rgba(20,36,71,.42));
  z-index: -1;
}

.hero-content { max-width: 700px; }

.hero-content .eyebrow {
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 12px;
  color: #cdd6ea;
}

.hero-content h1 {
  font-size: clamp(32px,5.5vw,60px);
  line-height: 1.12;
  margin: 14px 0 16px;
}

.hero-content p {
  font-size: 17px;
  color: #e8ecf5;
  max-width: 540px;
  margin-bottom: 28px;
}

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

/* ── PAGE BANNER ───────────────────────────────── */
.page-banner {
  background: linear-gradient(120deg,var(--navy-dark),var(--navy));
  color: #fff;
  padding: 70px 0;
  text-align: center;
}

.page-banner h1 { font-size: clamp(26px,5vw,42px); }

.breadcrumb {
  margin-top: 10px;
  color: #cdd6ea;
  font-size: 13px;
}

.breadcrumb a:hover { color:#fff; }

/* ── STATS ─────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 22px;
}

.stat {
  text-align: center;
  padding: 28px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.stat:hover { box-shadow: var(--shadow); transform:translateY(-4px); }

.stat strong {
  display: block;
  font-size: 38px;
  color: var(--navy);
  line-height: 1;
}

.stat span { color:var(--muted); font-weight:600; font-size:14px; }

/* ── GRIDS ─────────────────────────────────────── */
.grid { display:grid; gap:24px; }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-2 { grid-template-columns: repeat(2,1fr); }

/* ── SERVICE CARD ──────────────────────────────── */
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
  border-color: transparent;
}

.service-card .icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
}

.service-card h3 { color:var(--navy-dark); margin-bottom:10px; font-size:19px; }
.service-card p { color:var(--muted); }

/* ── SPLIT ─────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.split img { border-radius:var(--radius); box-shadow:var(--shadow); }
.split h2 { font-size:clamp(24px,4vw,34px); color:var(--navy-dark); margin-bottom:16px; }
.split p { color:var(--muted); margin-bottom:14px; }

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
  font-weight: 500;
}

.check-list li::before { content:"\2714"; color:var(--navy); font-weight:700; }

/* ── PROJECT CARD ──────────────────────────────── */
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.project-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform .5s ease;
}

.project-card:hover img { transform:scale(1.06); }

.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(to top,rgba(20,36,71,.92),transparent 60%);
  color: #fff;
}

.project-overlay span {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #cdd6ea;
}

.project-overlay h3 { font-size:19px; margin-top:4px; }

.ref-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.ref-item {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light-grey);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.ref-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(20,36,71,.14);
}

.ref-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}

.ref-item:hover img { transform: scale(1.06); }

@media (max-width: 980px) {
  .ref-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .ref-grid { grid-template-columns: repeat(2, 1fr); }
  .ref-item img { height: 180px; }
}

@media (max-width: 420px) {
  .ref-grid { grid-template-columns: 1fr; }
  .ref-item img { height: 220px; }
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20,36,71,.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  cursor: zoom-out;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 92%;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: #fff;
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--navy-dark);
  font-weight: 700;
}

/* ── CTA BAND ──────────────────────────────────── */
.cta-band {
  background: linear-gradient(120deg,var(--navy-dark),var(--navy));
  color: #fff;
  text-align: center;
  padding: 70px 20px;
}

.cta-band h2 { font-size:clamp(24px,4vw,36px); margin-bottom:12px; }
.cta-band p { color:#d6deec; max-width:580px; margin:0 auto 26px; }

/* ── CONTACT ───────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.info-card {
  display: flex;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.info-card .ic { font-size:22px; color:var(--navy); }
.info-card h4 { color:var(--navy-dark); margin-bottom:2px; }
.info-card p { color:var(--muted); margin:0; }

form .field { margin-bottom:16px; }

form label { display:block; font-weight:600; margin-bottom:6px; font-size:14px; }

form input,
form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  background: var(--light-grey);
  transition: var(--transition);
}

form input:focus,
form textarea:focus {
  outline: none;
  border-color: var(--navy);
  background: #fff;
}

.map-wrap iframe {
  width: 100%;
  height: 360px;
  border: 0;
  border-radius: var(--radius);
}

/* ── FOOTER ────────────────────────────────────── */
.footer {
  background: var(--navy-dark);
  color: #c7d0e0;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer h4 { color:#fff; margin-bottom:16px; font-size:16px; }

.footer-brand img {
  height: 52px;
  background: #fff;
  padding: 7px 10px;
  border-radius: 8px;
  margin-bottom: 14px;
}

.footer-links li { margin-bottom:9px; }
.footer-links a:hover { color:#fff; }

.footer .social {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.footer .social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition);
}

.footer .social a:hover { background: var(--navy); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 24px;
  text-align: center;
  font-size: 13px;
}

/* ── EYEBROW ───────────────────────────────────── */
.eyebrow {
  color: var(--navy);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 12px;
}

/* ── REVEAL ANIMATION ──────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible { opacity:1; transform:none; }

/* ── WHATSAPP ──────────────────────────────────── */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 54px;
  height: 54px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 8px 20px rgba(0,0,0,.2);
  transition: var(--transition);
}

.wa-float:hover { transform:scale(1.08); }

.wa-float svg { width:28px; height:28px; fill:#fff; }

/* ── RESPONSIVE ────────────────────────────────── */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  body { padding-left: 0; }
  .sidebar { display: none; }

  .hamburger { display: flex; }

  .menu {
    position: fixed;
    top: var(--header-h);
    right: 0;
    width: 72%;
    max-width: 300px;
    height: calc(100vh - var(--header-h));
    background: #fff;
    flex-direction: column;
    justify-content: flex-start;
    padding: 28px 22px;
    gap: 18px;
    box-shadow: -12px 0 30px rgba(0,0,0,.09);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
  }

  .menu.open { transform: translateX(0); }
  .menu a { font-size:14px; }

  .nav-cta .btn:not(.hamburger) { display:none; }

  .split { grid-template-columns: 1fr; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
}