/* ===== Vira Marble — modern static site ===== */
:root {
  --stone-900: #0e2540;
  --stone-700: #1f3f63;
  --stone-500: #5b7494;
  --stone-300: #aebfd4;
  --stone-150: #dce6f1;
  --stone-100: #eef4fb;
  --stone-50:  #f7fafe;
  --gold:      #2f7fd6;
  --gold-dark: #1b5fae;
  --white:     #ffffff;
  --radius: 4px;
  --maxw: 1160px;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--stone-700);
  background: var(--stone-50);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--serif); color: var(--stone-900); line-height: 1.12; font-weight: 600; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.eyebrow {
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-dark); font-weight: 600; margin-bottom: 14px;
}

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,248,244,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stone-150);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 7px; }
.brand-logo { height: 54px; width: auto; display: block; }
.brand-mark { font-family: var(--serif); font-size: 1.55rem; font-weight: 700; letter-spacing: .04em; color: var(--stone-900); }
.brand-sub { font-size: .72rem; letter-spacing: .35em; color: var(--gold-dark); font-weight: 600; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a { font-size: .92rem; font-weight: 500; color: var(--stone-700); transition: color .2s; }
.nav a:hover { color: var(--gold-dark); }
.nav-cta {
  background: var(--stone-900); color: var(--white) !important;
  padding: 10px 20px; border-radius: var(--radius); font-size: .85rem !important;
}
.nav-cta:hover { background: var(--gold-dark); }
.lang-switch { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; font-weight: 600; letter-spacing: .04em; }
.lang-switch a { color: var(--stone-500); }
.lang-switch a:hover { color: var(--gold-dark); }
.lang-switch a.active { color: var(--stone-900); }
.lang-switch span { color: var(--stone-300); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--stone-900); transition: .3s; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; color: var(--white); }
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,32,60,.55), rgba(10,32,60,.78)),
    radial-gradient(120% 90% at 70% 8%, rgba(47,111,176,.26), rgba(11,35,66,.5)),
    url("hero.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-inner { position: relative; padding: 120px 24px 110px; max-width: 820px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); color: var(--white); margin: 8px 0 22px; }
.hero .eyebrow { color: var(--gold); }
.hero-lead { font-size: 1.12rem; color: rgba(255,255,255,.82); max-width: 600px; font-weight: 300; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 14px 28px; border-radius: var(--radius);
  font-size: .92rem; font-weight: 600; letter-spacing: .02em; cursor: pointer;
  border: 1px solid transparent; transition: all .22s;
}
.btn-primary { background: var(--gold); color: var(--white); }
.btn-primary:hover { background: var(--gold-dark); color: var(--white); }
.btn-ghost { border-color: rgba(255,255,255,.4); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: var(--white); }

/* ===== Stats ===== */
.stats { background: var(--stone-900); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 38px 16px; border-right: 1px solid rgba(255,255,255,.08); }
.stat:last-child { border-right: 0; }
.stat-num { display: block; font-family: var(--serif); font-size: 2.6rem; color: var(--gold); font-weight: 700; }
.stat-label { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--stone-300); }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section-alt { background: var(--stone-100); }
.section-head { max-width: 640px; margin: 0 auto 54px; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4vw, 2.9rem); }
.section-sub { margin-top: 14px; color: var(--stone-500); }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.about-media {
  aspect-ratio: 4/3; border-radius: var(--radius);
  background-size: cover; background-position: center;
  border: 1px solid var(--stone-150);
}
.about-text h2 { font-size: clamp(1.9rem, 3.5vw, 2.7rem); margin-bottom: 18px; }
.about-text p { margin-bottom: 16px; }
.checklist { list-style: none; margin-top: 22px; }
.checklist li { position: relative; padding-left: 28px; margin-bottom: 10px; font-weight: 500; color: var(--stone-700); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--gold-dark); font-weight: 700;
}

/* ===== Products ===== */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
  background: var(--white); border: 1px solid var(--stone-150);
  border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.product-card { cursor: pointer; position: relative; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(28,26,23,.12); }
.product-img { aspect-ratio: 4/3; background-size: cover; }
.product-count {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  background: rgba(14,37,64,.78); color: #fff; font-size: .72rem; font-weight: 600;
  letter-spacing: .03em; padding: 5px 10px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 5px;
}
.product-count::before { content: ""; width: 12px; height: 12px;
  background: no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M21 19V5a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2zM8.5 13.5l2.5 3 3.5-4.5 4.5 6H5l3.5-4.5z'/%3E%3C/svg%3E"); }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center;
  background: rgba(8,20,38,.92); padding: 24px;
}
.lightbox.open { display: flex; }
.lb-img { max-width: 90vw; max-height: 82vh; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lb-close, .lb-nav {
  position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0;
  width: 48px; height: 48px; border-radius: 50%; font-size: 1.8rem; line-height: 1;
  cursor: pointer; transition: background .2s; display: flex; align-items: center; justify-content: center;
}
.lb-close:hover, .lb-nav:hover { background: rgba(255,255,255,.28); }
.lb-close { top: 22px; right: 24px; font-size: 1.5rem; }
.lb-nav { top: 50%; transform: translateY(-50%); }
.lb-prev { left: 24px; }
.lb-next { right: 24px; }
.lb-counter { position: absolute; bottom: 24px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.85); font-size: .9rem; letter-spacing: .05em; }
@media (max-width: 680px) {
  .lb-nav { width: 42px; height: 42px; }
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
}
.product-card h3 { font-size: 1.45rem; margin: 18px 22px 2px; }
.product-card p { margin: 0 22px 20px; color: var(--stone-500); font-size: .9rem; }
.product-img { background-position: center; background-repeat: no-repeat; }

/* ===== Services ===== */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.service {
  background: var(--white); border: 1px solid var(--stone-150);
  border-radius: var(--radius); padding: 32px 26px; text-align: center;
}
.service-icon {
  width: 58px; height: 58px; margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--stone-100); color: var(--gold-dark);
}
.service-icon svg { width: 27px; height: 27px; }
.service h3 { font-size: 1.35rem; margin-bottom: 8px; }
.service p { font-size: .92rem; color: var(--stone-500); }

/* ===== Contact ===== */
.contact-grid { max-width: 620px; margin: 0 auto; text-align: center; }
.contact-info h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); margin-bottom: 14px; }
.contact-list { list-style: none; margin-top: 28px; display: inline-block; text-align: left; }
.contact-list li { margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--stone-150); }
.contact-list a { color: var(--gold-dark); font-weight: 500; }
.contact-list a:hover { text-decoration: underline; }

/* ===== Footer ===== */
.site-footer { background: var(--stone-900); color: var(--stone-300); }
.footer-wrap { display: flex; justify-content: space-between; align-items: center; padding: 48px 24px; flex-wrap: wrap; gap: 24px; }
.footer-brand .brand-mark { color: var(--white); }
.footer-brand p { font-size: .85rem; margin-top: 8px; }
.footer-nav { display: flex; gap: 26px; }
.footer-nav a { font-size: .9rem; color: var(--stone-300); transition: color .2s; }
.footer-nav a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; font-size: .82rem; color: var(--stone-500); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .product-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
}
@media (max-width: 680px) {
  .nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--stone-50); border-bottom: 1px solid var(--stone-150);
    padding: 12px 0; transform: translateY(-130%); transition: transform .3s; }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 12px 24px; width: 100%; }
  .nav-cta { margin: 8px 24px; text-align: center; }
  .nav-toggle { display: flex; }
  .hero-inner { padding: 84px 24px 76px; }
  .product-grid, .service-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}