/* =============================================================
   Rajasthan Marble World — shared site shell
   Used by index.html, about.html, catalog.html
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --rmw-green: #0d3a2b;
  --rmw-green-deep: #0a2e22;
  --rmw-green-soft: #1a4a39;
  --rmw-gold: #b8924a;
  --rmw-gold-light: #d4b070;
  --rmw-cream: #f5efe3;
  --rmw-ivory: #faf6ee;
  --ink: #1a1a1a;
  --ink-soft: #2a2a2a;
  --muted: #6a6a6a;
  --rule: #d9d1c1;
  --rule-soft: #e8e2d3;

  --nav-h: 72px;
  --container: 1200px;
  --container-pad: 28px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--rmw-ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--rmw-green); text-decoration: none; }
a:hover { color: var(--rmw-gold); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ===================== TOP NAVIGATION ===================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 238, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--nav-h);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.nav-brand-mark {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--rmw-green);
  background-image: url('../assets/bg-green-granite.jpg');
  background-size: cover;
  background-position: center;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.nav-brand-mark img {
  width: 30px;
  height: auto;
  filter: grayscale(1) invert(1) brightness(1.28) contrast(0.92)
          drop-shadow(0 1px 2px rgba(0,0,0,0.6))
          drop-shadow(0 0 6px rgba(255,255,255,0.4));
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-brand-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 1.6px;
  color: var(--ink);
}

.nav-brand-sub {
  font-family: 'Inter', sans-serif;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--rmw-gold);
  margin-top: 2px;
  font-weight: 500;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1.5px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--rmw-green);
  border-bottom-color: var(--rmw-gold);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--rmw-gold);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 11px 22px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease;
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--rmw-green);
  color: #fff;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: transform .2s ease, top .2s ease, opacity .2s ease;
}

.nav-toggle span::before { position: absolute; top: -7px; left: 0; }
.nav-toggle span::after  { position: absolute; top:  7px; left: 0; }

body.nav-open .nav-toggle span               { background: transparent; }
body.nav-open .nav-toggle span::before       { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle span::after        { top: 0; transform: rotate(-45deg); }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 14px 30px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
}

.btn-gold {
  background: var(--rmw-gold);
  color: #fff;
  border-color: var(--rmw-gold);
}
.btn-gold:hover {
  background: var(--rmw-green);
  border-color: var(--rmw-green);
  color: #fff;
  transform: translateY(-1px);
}

.btn-gold-outline {
  background: transparent;
  color: var(--rmw-gold-light);
  border-color: var(--rmw-gold-light);
}
.btn-gold-outline:hover {
  background: var(--rmw-gold);
  color: #fff;
  border-color: var(--rmw-gold);
  transform: translateY(-1px);
}

.btn-green {
  background: var(--rmw-green);
  color: #fff;
  border-color: var(--rmw-green);
}
.btn-green:hover {
  background: var(--rmw-gold);
  border-color: var(--rmw-gold);
  color: #fff;
}

/* ===================== SECTION PRIMITIVES ===================== */
.section {
  padding: 88px 0;
}

.section-tight { padding: 56px 0; }

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-kicker {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 4px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--rmw-gold);
  margin-bottom: 14px;
}

.section-lead {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 640px;
  line-height: 1.7;
}

.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* ===================== SHARED FOOTER (lifted from invoice) ===================== */
.site-footer {
  background-color: var(--rmw-green);
  color: #fff;
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1fr;
  gap: 36px;
  align-items: start;
}

.footer-col-title {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--rmw-gold-light);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.footer-address-block + .footer-address-block {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(212, 176, 112, 0.30);
}

.footer-address {
  font-size: 13px;
  line-height: 1.65;
  color: #f0ebe0;
}

.footer-contacts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-name {
  display: block;
  color: var(--rmw-gold-light);
  font-weight: 600;
  letter-spacing: .5px;
  font-size: 14px;
  margin-bottom: 2px;
}

.footer-contact-line {
  font-size: 14px;
  color: #f0ebe0;
}

.footer-contact-line a {
  color: #f0ebe0;
  text-decoration: none;
  border-bottom: 1px dashed rgba(212, 176, 112, 0.4);
}
.footer-contact-line a:hover { color: var(--rmw-gold-light); }

.footer-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  line-height: 1.7;
  color: #fff;
  text-transform: uppercase;
}

.footer-tagline-mark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 500;
  color: var(--rmw-gold-light);
  letter-spacing: 6px;
  margin-bottom: 12px;
  letter-spacing: 4px;
}

.footer-bar {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid rgba(212, 176, 112, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 11.5px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1px;
}

.footer-bar a { color: rgba(255,255,255,0.7); }
.footer-bar a:hover { color: var(--rmw-gold-light); }

/* ===================== BREAKPOINTS ===================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-tagline-col { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  :root { --nav-h: 64px; --container-pad: 20px; }

  .nav-toggle { display: block; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--rmw-ivory);
    border-bottom: 1px solid var(--rule-soft);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    padding: 18px var(--container-pad) 24px;
    box-shadow: 0 16px 40px rgba(13, 58, 43, 0.10);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  body.nav-open .nav-menu {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: 16px;
  }

  .nav-links li { border-bottom: 1px solid var(--rule-soft); }
  .nav-links li:last-child { border-bottom: none; }

  .nav-links a {
    display: block;
    padding: 16px 4px;
    border-bottom: none;
    font-size: 14px;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    padding: 14px 22px;
  }

  .nav-brand-title { font-size: 15px; letter-spacing: 1.2px; }
  .nav-brand-sub { font-size: 8px; letter-spacing: 2.4px; }
  .nav-brand-mark { width: 38px; height: 38px; }
  .nav-brand-mark img { width: 26px; }

  .section { padding: 56px 0; }
  .section-tight { padding: 36px 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 480px) {
  :root { --container-pad: 16px; }

  .btn { padding: 12px 22px; font-size: 13px; letter-spacing: 1.2px; }
  .nav-brand-text { display: flex; }
  .footer-address { font-size: 13px; }
}