:root {
  --bg: #ffffff;
  --text: #121212;
  --muted: #5f6470;
  --line: #e8ebef;
  --brand: #111827;
  --accent: #22c55e;
  --shadow: 0 14px 40px rgba(10, 18, 30, 0.08);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Montserrat', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; gap: 1rem; min-height: 78px; }
.brand { display: flex; flex-direction: column; min-width: 0; }
.brand-mark { font-weight: 800; letter-spacing: .08em; font-size: 1.1rem; }
.brand-sub { color: var(--muted); font-size: .78rem; }
.nav { margin-left: auto; display: flex; gap: .9rem; align-items: center; }
.nav a { padding: .55rem .75rem; border-radius: 999px; font-weight: 600; font-size: .92rem; }
.nav a:hover { background: #f4f6f8; }
.menu-btn { display: none; margin-left: auto; background: #fff; border:1px solid var(--line); border-radius: 10px; padding: .45rem .65rem; font-size: 1.1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: .85rem 1.1rem; font-weight: 700;
  border: 1px solid transparent; transition: .2s ease;
}
.btn-whatsapp { background: var(--accent); color: #fff; box-shadow: 0 10px 25px rgba(34,197,94,.25); }
.btn-whatsapp:hover { transform: translateY(-1px); }
.btn-outline { border-color: var(--line); background: #fff; }
.btn-outline:hover { background: #f8fafb; }
.desktop-cta { white-space: nowrap; }

.hero { position: relative; min-height: 78vh; display: grid; align-items: center; overflow: clip; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.90) 0%, rgba(255,255,255,.78) 44%, rgba(255,255,255,.45) 100%);
}
.hero-content { position: relative; z-index: 1; padding: 3rem 0; }
.hero-card {
  width: min(650px, 100%);
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 24px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}
.eyebrow { margin: 0 0 .35rem; color: var(--muted); font-weight: 700; font-size: .85rem; letter-spacing: .04em; text-transform: uppercase; }
.hero h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.2rem); }
.hero-text { margin: .75rem 0 0; font-size: 1rem; line-height: 1.55; }
.muted { color: var(--muted); }
.hero-actions { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .75rem; }

.section { padding: 4.5rem 0; }
.section-tag { color: var(--muted); font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 .35rem; }
.section h2 { margin: 0 0 .75rem; font-size: clamp(1.45rem, 2.7vw, 2.1rem); }
.section p { margin: 0; line-height: 1.7; }

.intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1.2rem; align-items: center; }
.intro-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.intro-card img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }

.services-grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: .9rem;
}
.service-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.04);
}
.service-card h3 { margin: 0 0 .45rem; font-size: 1rem; }
.service-card p { color: var(--muted); font-size: .9rem; line-height: 1.55; }

.gallery-section { background: linear-gradient(#fff, #fbfbfd); }
.gallery-head { display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: 1rem; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .85rem;
}
.gallery-item {
  position: relative; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: 0 10px 24px rgba(0,0,0,.05);
  background: #f4f6f8; cursor: zoom-in;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform .35s ease; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item.tall img { aspect-ratio: 4/6; }
.gallery-item:hover img { transform: scale(1.03); }
.gallery-item figcaption {
  position: absolute; left: .55rem; right: .55rem; bottom: .55rem;
  background: rgba(10, 18, 30, .58); color: #fff;
  border-radius: 10px; padding: .45rem .55rem; font-size: .8rem; font-weight: 600;
}

.cta-strip { padding-top: 2.5rem; }
.cta-wrap {
  background: #f7faf8; border: 1px solid #d8f4e2; border-radius: 18px;
  padding: 1.1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-card {
  border: 1px solid var(--line); border-radius: 16px; padding: 1rem; background: #fff; box-shadow: var(--shadow);
}
.contact-list { list-style: none; padding: 0; margin: .65rem 0 1rem; display: grid; gap: .6rem; }
.contact-list li {
  border: 1px solid var(--line); border-radius: 12px; padding: .75rem .8rem;
  display: flex; justify-content: space-between; gap: .75rem; align-items: center;
}
.contact-list span { color: var(--muted); font-weight: 600; }
.contact-list a { font-weight: 700; }
.contact-card .full { width: 100%; }
.social-links { display: grid; gap: .55rem; margin-top: .5rem; }
.social-links a {
  border: 1px solid var(--line); border-radius: 12px; padding: .75rem .85rem; font-weight: 600;
  background: #fafafa;
}
.social-links a:hover { background: #f2f5f7; }
.mini-gallery { margin-top: .8rem; display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.mini-gallery img { border-radius: 12px; border: 1px solid var(--line); aspect-ratio: 4/3; object-fit: cover; }

.site-footer { border-top: 1px solid var(--line); padding: 1.25rem 0 2rem; margin-top: 1rem; }
.footer-wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-wrap h3 { margin: 0 0 .25rem; }
.footer-wrap p { margin: 0; color: var(--muted); }
.footer-links { display: flex; gap: .75rem; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-weight: 600; }
.footer-wa { font-weight: 700; }

.floating-wa {
  position: fixed; right: 16px; bottom: 16px; width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 1.35rem;
  box-shadow: 0 14px 30px rgba(34,197,94,.35); z-index: 60;
}

.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.86);
  display: none; place-items: center; z-index: 80; padding: 1rem;
}
.lightbox.active { display: grid; }
.lightbox img { max-width: min(1100px, 96vw); max-height: 78vh; border-radius: 10px; }
.lightbox p { color: #fff; margin-top: .6rem; text-align: center; font-weight: 600; }
.lightbox-close {
  position: absolute; top: 14px; right: 14px; width: 42px; height: 42px; border-radius: 999px; border: none;
  background: rgba(255,255,255,.14); color: #fff; font-size: 1.65rem; cursor: pointer;
}

@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-item.tall { grid-row: auto; }
  .gallery-item.tall img { aspect-ratio: 4/3; }
  .intro-grid, .contact-grid { grid-template-columns: 1fr; }
  .cta-wrap { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 760px) {
  .menu-btn { display: inline-flex; }
  .desktop-cta { display: none; }
  .nav {
    position: absolute; left: .8rem; right: .8rem; top: 72px;
    background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: .5rem;
    display: none; flex-direction: column; align-items: stretch;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { border-radius: 10px; }
  .hero-card { padding: 1rem; }
}