/* ════════════════════════════════════════════
   DHC Resources Limited — Global Stylesheet
   Brand: Navy #0D2137 | Red #C8102E | Gold #B8982A
   ════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:      #0D2137;
  --navy-mid:  #102847;
  --navy-light:#1A3A5C;
  --red:       #C8102E;
  --red-dark:  #A00C24;
  --gold:      #B8982A;
  --gold-light:#D4AF37;
  --blue-acc:  #1A6EA8;
  --white:     #FFFFFF;
  --off-white: #F4F6F9;
  --gray-100:  #EEF1F5;
  --gray-300:  #C8D0DA;
  --gray-500:  #7B8EA6;
  --gray-700:  #333D47;
  --text:      #1E2A35;
  --shadow-sm: 0 2px 8px rgba(13,33,55,0.08);
  --shadow-md: 0 8px 32px rgba(13,33,55,0.12);
  --shadow-lg: 0 20px 60px rgba(13,33,55,0.18);
  --radius:    8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  line-height: 1.2;
  color: var(--navy);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 600; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 600; }
h4 { font-size: 1.15rem; font-weight: 600; }

p { color: var(--gray-700); line-height: 1.75; }

/* ── Section Headers ── */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 6px 14px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  margin-bottom: 20px;
}
.section-label--light { color: var(--gold-light); border-color: var(--gold-light); }

.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--gray-500); font-size: 1.05rem; }
.section-header--light h2 { color: var(--white); }
.section-header--light p { color: rgba(255,255,255,0.7); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: var(--white);
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 2px solid var(--red);
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200,16,46,0.3); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

.btn-card {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--red);
  border: 1.5px solid var(--red);
  padding: 8px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
  margin-top: 16px;
}
.btn-card:hover { background: var(--red); color: var(--white); }

.btn-full { width: 100%; justify-content: center; padding: 15px; font-size: 1rem; }

/* ════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.3s ease;
  padding: 0;
}
.navbar.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.logo-img { width: 52px; height: 52px; border-radius: 50%; }
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 0.65rem;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.lang-toggle {
  background: transparent;
  color: var(--gold-light);
  border: 1.5px solid var(--gold);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
}
.lang-toggle:hover { background: var(--gold); color: var(--navy); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--navy);
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

/* ════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1800&q=80') center/cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,33,55,0.95) 0%,
    rgba(13,33,55,0.85) 50%,
    rgba(13,33,55,0.7) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding-top: 100px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-light);
  padding: 8px 18px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  margin-bottom: 28px;
}

.hero-title {
  color: var(--white);
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-sub {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 24px 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  width: fit-content;
}
.stat-item { text-align: center; padding: 0 32px; }
.stat-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.05em;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block;
  width: 1.5px;
  height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.7); }
}

/* ════════════════════════════════════════════
   TICKER
   ════════════════════════════════════════════ */
.ticker-wrap {
  background: var(--navy);
  padding: 14px 0;
  overflow: hidden;
  border-top: 2px solid var(--gold);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.ticker-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 35s linear infinite;
}
.ticker-track span {
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ════════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════════ */
.about { background: var(--off-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrap img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
}
.about-badge-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: var(--navy);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
}
.about-badge-card img { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; }
.about-badge-card strong { display: block; font-size: 0.9rem; color: var(--gold-light); }
.about-badge-card span { font-size: 0.78rem; color: rgba(255,255,255,0.65); }

.about-content h2 { margin-bottom: 20px; }
.about-content > p { margin-bottom: 36px; font-size: 1rem; }

.about-features { display: flex; flex-direction: column; gap: 20px; }
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--gold);
  transition: var(--transition);
}
.feature-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.feature-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.feature-item strong { display: block; font-size: 0.9rem; color: var(--navy); margin-bottom: 2px; }
.feature-item span { font-size: 0.82rem; color: var(--gray-500); }

/* ════════════════════════════════════════════
   SOLUTIONS
   ════════════════════════════════════════════ */
.solutions { background: var(--white); }

.sol-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border-bottom: 2px solid var(--gray-100);
}
.sol-tab {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.sol-tab:hover { color: var(--navy); }
.sol-tab.active { color: var(--navy); border-bottom-color: var(--red); }

.sol-panel { display: none; }
.sol-panel.active { display: block; }

.sol-intro {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  margin-bottom: 40px;
}
.sol-intro h3 { color: var(--white); margin-bottom: 12px; }
.sol-intro p { color: rgba(255,255,255,0.75); font-size: 1rem; max-width: 800px; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
  background: var(--white);
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }

.product-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }

.product-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--navy);
  color: var(--gold-light);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
}
.product-tag--hot { background: var(--red); color: var(--white); }

.product-body { padding: 24px; }
.product-body h4 { color: var(--navy); margin-bottom: 10px; font-size: 1.1rem; }
.product-body > p { font-size: 0.875rem; color: var(--gray-700); margin-bottom: 14px; line-height: 1.7; }

.product-specs {
  padding: 0;
  border-top: 1px solid var(--gray-100);
  padding-top: 12px;
  margin-top: 12px;
}
.product-specs li {
  font-size: 0.8rem;
  color: var(--gray-500);
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
}
.product-specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ════════════════════════════════════════════
   WHY DHC
   ════════════════════════════════════════════ */
.why-dhc {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 100%);
}
.why-dhc h2 { color: var(--white); }

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}
.adv-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(184,152,42,0.4);
  transform: translateY(-4px);
}

.adv-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
}
.adv-icon svg { width: 100%; height: 100%; }

.adv-card h4 { color: var(--white); margin-bottom: 12px; font-size: 1rem; }
.adv-card p { color: rgba(255,255,255,0.6); font-size: 0.875rem; line-height: 1.75; }

/* ════════════════════════════════════════════
   MARKETS
   ════════════════════════════════════════════ */
.markets { background: var(--off-white); }

.markets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.market-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
  border-top: 4px solid var(--gray-300);
}
.market-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.market-card--featured {
  border-top-color: var(--gold);
  background: var(--navy);
}
.market-card--featured h4,
.market-card--featured p { color: var(--white); }
.market-card--featured .market-focus { color: rgba(255,255,255,0.65); border-color: rgba(255,255,255,0.15); }

.market-flag { font-size: 2.8rem; margin-bottom: 16px; }
.market-card h4 { color: var(--navy); margin-bottom: 12px; font-size: 1.15rem; }
.market-card p { font-size: 0.9rem; color: var(--gray-700); margin-bottom: 16px; }
.market-focus {
  font-size: 0.78rem;
  color: var(--gray-500);
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
  line-height: 1.6;
}

/* ════════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════════ */
.contact {
  background: linear-gradient(160deg, var(--navy-mid) 0%, var(--navy) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 { color: var(--white); margin-bottom: 20px; }
.contact-info > p { color: rgba(255,255,255,0.7); margin-bottom: 40px; font-size: 1rem; }

.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; color: var(--gold-light); font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 2px; }
.contact-item span { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

.contact-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.contact-trust span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.05);
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
}

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--gray-700); letter-spacing: 0.03em; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  background: var(--off-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-acc);
  box-shadow: 0 0 0 3px rgba(26,110,168,0.12);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 110px; }

.form-note { text-align: center; font-size: 0.78rem; color: var(--gray-500); margin-top: 8px; }

.form-success {
  text-align: center;
  padding: 40px 20px;
}
.success-icon {
  width: 64px;
  height: 64px;
  background: #22c55e;
  color: white;
  font-size: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.form-success h3 { color: var(--navy); margin-bottom: 10px; }
.form-success p { color: var(--gray-500); font-size: 0.9rem; }

/* ════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════ */
.footer {
  background: #060F1A;
  padding: 60px 0 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-logo { width: 56px; height: 56px; border-radius: 50%; }
.footer-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}
.footer-hk { font-size: 0.72rem; color: var(--gold); letter-spacing: 0.08em; margin-top: 2px; }

.footer-links { display: flex; gap: 64px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h5 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-bottom span { font-size: 0.78rem; color: rgba(255,255,255,0.3); }

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-wrap img { height: 380px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { flex-direction: column; gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .nav-links { display: none; }
  .nav-actions .btn-primary { display: none; }
  .hamburger { display: flex; }
  .hero-content { padding-top: 80px; }
  .hero-stats { flex-direction: column; gap: 20px; width: 100%; }
  .stat-divider { width: 80px; height: 1px; }
  .products-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .markets-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .contact-form-wrap { padding: 28px 20px; }
  .sol-intro { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-badge { font-size: 0.7rem; }
  .logo-text { display: none; }
}