/* ============================================================
   YAJNAS INVESTMENT LIMITED — Black & Gold Luxury Style
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Jost', -apple-system, BlinkMacSystemFont, sans-serif;
  color: rgba(255,255,255,0.75);
  background: #0a0a0a;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

:root {
  --black: #0a0a0a;
  --black-2: #111111;
  --black-3: #181818;
  --black-4: #1f1f1f;
  --gold: #c9a96e;
  --gold-light: #e0c48f;
  --gold-dark: #a8894f;
  --white: #ffffff;
  --white-dim: rgba(255,255,255,0.75);
  --white-muted: rgba(255,255,255,0.5);
  --white-faint: rgba(255,255,255,0.3);
  --border-gold: rgba(201,169,110,0.25);
  --max-w: 1280px;
  --section-py: 120px;
}

h1, h2, h3, h4 {
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: #fff;
}

em {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

.section { padding: var(--section-py) 0; }

.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: '—';
  margin: 0 10px;
  color: var(--gold);
  opacity: 0.6;
}
.section-eyebrow.light { color: var(--gold); }

.section-title {
  font-size: clamp(34px, 4.5vw, 52px);
  margin-bottom: 24px;
  line-height: 1.15;
}

.section-subtitle {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 19px;
  font-weight: 300;
  color: var(--white-muted);
  max-width: 600px;
  line-height: 1.7;
}

.section-header { margin-bottom: 80px; }
.section-header.center { text-align: center; }
.section-header.center .section-subtitle { margin: 0 auto; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.4s ease;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(201,169,110,0.3);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid var(--border-gold);
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(201,169,110,0.08);
  transform: translateY(-2px);
}
.btn-block { width: 100%; justify-content: center; }

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: all 0.4s ease;
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-gold);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-logo-mark {
  width: 44px; height: 44px;
  border: 1.5px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 700;
  font-size: 22px;
  transition: all 0.3s;
}
.navbar.scrolled .nav-logo-mark {
  background: var(--gold);
  color: var(--black);
}
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-name {
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 600;
  font-size: 19px;
  color: #fff;
  letter-spacing: 0.1em;
}
.nav-logo-sub {
  font-size: 9px;
  font-weight: 500;
  color: var(--white-muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: var(--white-dim);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
  position: relative;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 50%;
  width: 0; height: 1px;
  background: var(--gold);
  transition: all 0.3s;
  transform: translateX(-50%);
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 12px 28px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.3s;
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--black);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 26px; height: 1.5px;
  background: #fff;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.98);
  z-index: 999;
  padding: 100px 40px 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
  display: block;
}
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  text-align: center;
}
.mobile-link {
  color: #fff;
  font-family: 'Cinzel', Georgia, serif;
  font-size: 26px;
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid rgba(201,169,110,0.15);
  width: 100%;
  max-width: 320px;
}
.mobile-cta {
  margin-top: 32px;
  padding: 16px 40px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: #fff;
  background: var(--black);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,10,0.95) 0%,
    rgba(10,10,10,0.4) 50%,
    rgba(10,10,10,0.6) 100%
  );
}
.hero-container {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 160px 40px 0;
  width: 100%;
}
.hero-content { max-width: 720px; }
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}
.hero-line {
  width: 40px; height: 1px;
  background: var(--gold);
  opacity: 0.7;
}
.hero-title {
  font-family: 'Cinzel', Georgia, serif;
  font-size: clamp(46px, 6.5vw, 78px);
  font-weight: 600;
  color: #fff;
  margin-bottom: 28px;
  line-height: 1.05;
}
.hero-title em {
  color: var(--gold);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
}
.hero-subtitle {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 300;
  color: var(--white-dim);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}
.hero-stats {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 32px 40px;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--border-gold);
}
.hero-stat-num {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 40px;
  font-weight: 600;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.hero-stat-num span { color: var(--gold); }
.hero-stat-label {
  font-size: 11px;
  color: var(--white-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 400;
}

/* ========== ABOUT ========== */
.about { background: var(--black); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual { position: relative; }
.about-visual img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  border: 1px solid var(--border-gold);
}
.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--black-3);
  border: 1px solid var(--gold);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.about-badge-num {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.about-badge-text {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 15px;
  font-style: italic;
  color: var(--white-muted);
  line-height: 1.5;
}
.about-text {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  font-weight: 300;
  color: var(--white-dim);
  line-height: 1.85;
  margin-bottom: 20px;
}
.about-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border-gold);
}
.about-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.about-point-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 14px;
}
.about-point h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}
.about-point p {
  font-size: 14px;
  color: var(--white-muted);
  line-height: 1.6;
  font-family: 'Jost', sans-serif;
  font-weight: 300;
}

/* ========== PRODUCTS ========== */
.products { background: var(--black-2); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--black-3);
  border: 1px solid rgba(201,169,110,0.12);
  transition: all 0.5s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.product-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.product-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.product-card:hover .product-img img { transform: scale(1.06); }
.product-num {
  position: absolute;
  top: 16px; left: 16px;
  font-family: 'Cinzel', Georgia, serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  background: rgba(10,10,10,0.8);
  padding: 6px 14px;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-gold);
}
.product-body { padding: 28px 26px; }
.product-body h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.product-body p {
  font-size: 14px;
  color: var(--white-muted);
  line-height: 1.7;
  font-family: 'Jost', sans-serif;
  font-weight: 300;
}

/* ========== SERVICES ========== */
.services {
  background: var(--black);
  position: relative;
}
.services-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(201,169,110,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(201,169,110,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.services .container { position: relative; z-index: 1; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border-gold);
}
.service-card {
  padding: 44px 36px;
  border-right: 1px solid rgba(201,169,110,0.12);
  border-bottom: 1px solid rgba(201,169,110,0.12);
  transition: all 0.4s;
}
.service-card:nth-child(3n) { border-right: none; }
.service-card:nth-child(n+4) { border-bottom: none; }
.service-card:hover {
  background: rgba(201,169,110,0.05);
}
.service-icon {
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 24px;
  display: block;
}
.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.service-card p {
  font-size: 14px;
  color: var(--white-muted);
  line-height: 1.7;
  font-family: 'Jost', sans-serif;
  font-weight: 300;
}

/* ========== GLOBAL ========== */
.global { background: var(--black-2); }
.global-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.global-text {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  font-weight: 300;
  color: var(--white-dim);
  line-height: 1.85;
  margin-bottom: 48px;
}
.global-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border-gold);
}
.global-stat-num {
  font-family: 'Cinzel', Georgia, serif;
  font-size: 44px;
  font-weight: 600;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}
.global-stat-num span { color: var(--gold); }
.global-stat-label {
  font-size: 11px;
  color: var(--white-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.global-regions { display: flex; flex-direction: column; }
.region-row {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-gold);
}
.region-row:first-child { padding-top: 0; }
.region-row:last-child { border-bottom: none; }
.region-row h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}
.region-row p {
  font-size: 14px;
  color: var(--white-muted);
  line-height: 1.6;
  font-family: 'Jost', sans-serif;
  font-weight: 300;
}

/* ========== CONTACT ========== */
.contact { background: var(--black); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  gap: 18px;
  background: var(--black-3);
  border: 1px solid rgba(201,169,110,0.12);
  padding: 22px 24px;
  transition: all 0.3s;
}
.contact-item:hover {
  border-color: var(--gold);
}
.contact-item-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 16px;
}
.contact-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.contact-item p, .contact-item a {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--white-muted);
  line-height: 1.6;
}
.contact-item a:hover { color: var(--gold); }
.contact-map { border: 1px solid var(--border-gold); }
.contact-map iframe {
  width: 100%; height: 240px;
  border: 0; display: block;
}
.map-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: var(--black-3);
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.3s;
}
.map-link:hover { background: var(--gold); color: var(--black); }

.contact-form-wrap {
  background: var(--black-3);
  border: 1px solid var(--border-gold);
  padding: 44px;
}
.contact-form-wrap h3 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 8px;
}
.contact-form-sub {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 16px;
  font-style: italic;
  color: var(--white-muted);
  margin-bottom: 32px;
}
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(201,169,110,0.1);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 14px;
  margin-bottom: 20px;
}
.form-success.active { display: flex; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(201,169,110,0.2);
  background: var(--black-2);
  color: #fff;
  font-size: 14px;
  font-family: 'Jost', sans-serif;
  transition: all 0.3s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-faint); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c9a96e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
}
.form-group select option { background: var(--black-3); color: #fff; }
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--black-2);
  border-top: 1px solid var(--border-gold);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.footer-logo-mark {
  width: 44px; height: 44px;
  border: 1.5px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 700;
  font-size: 22px;
}
.footer-logo-text { display: flex; flex-direction: column; }
.footer-logo-name {
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 600;
  font-size: 19px;
  color: #fff;
  letter-spacing: 0.1em;
}
.footer-logo-sub {
  font-size: 9px;
  font-weight: 500;
  color: var(--white-muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: 2px;
}
.footer-desc {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 15px;
  font-weight: 300;
  color: var(--white-muted);
  line-height: 1.8;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-family: 'Jost', sans-serif;
  font-size: 14px;
  font-weight: 300;
  color: var(--white-muted);
  transition: all 0.2s;
}
.footer-col ul li a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-item {
  display: flex;
  gap: 10px;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 15px;
  font-weight: 300;
  color: var(--white-muted);
  line-height: 1.6;
}
.footer-contact-item:first-child { color: var(--gold); }
.footer-contact-item a { color: var(--white-muted); }
.footer-contact-item a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(201,169,110,0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--white-faint);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom-links { display: flex; gap: 28px; }
.footer-bottom-links a:hover { color: var(--gold); }

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }
.reveal-delay-4 { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .product-card:hover, .service-card:hover, .btn:hover { transform: none !important; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(3n) { border-right: 1px solid rgba(201,169,110,0.12); }
  .service-card:nth-child(2n) { border-right: none; }
  .service-card:nth-child(n+4) { border-bottom: 1px solid rgba(201,169,110,0.12); }
  .service-card:nth-child(n+5) { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-visual img { height: 440px; }
  .global-grid { grid-template-columns: 1fr; gap: 56px; }
}

@media (max-width: 768px) {
  :root { --section-py: 80px; }
  .container { padding: 0 20px; }
  .nav-container { padding: 0 20px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .hero-container { padding: 120px 20px 0; }
  .hero-stats { padding: 24px 20px; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .products-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { border-right: none !important; }
  .service-card { border-bottom: 1px solid rgba(201,169,110,0.12) !important; }
  .service-card:last-child { border-bottom: none !important; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 22px; }
  .global-stats { grid-template-columns: 1fr; gap: 20px; }
  .section-header { margin-bottom: 56px; }
  .about-badge { right: 16px; padding: 20px 24px; }
  /* 修复谷歌地图变成黑白，强制彩色显示 */
.contact-map iframe {
  filter: none !important;
  -webkit-filter: none !important;
  mix-blend-mode: normal !important;
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}