/* ── Design tokens ── */
:root {
  --black:      #0d0d0d;
  --gold:       #D4AF37;
  --gold-light: #F0D060;
  --navy:       #1a2151;
  --blue:       #4a90d9;
  --teal:       #00b4d8;
  --white:      #ffffff;
  --gray-light: #f2f4f8;
  --gray-mid:   #8a92a6;
  --card-bg:    #ffffff;
  --border:     #dde2ef;
  --radius:     10px;
  --shadow:     0 4px 20px rgba(0,0,0,0.08);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--gray-light);
  color: var(--black);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
header {
  background: var(--black);
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-patch {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  object-fit: cover;
  background: var(--navy);
}
.header-titles {
  display: flex;
  flex-direction: column;
}
.header-main {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.header-sub {
  font-size: 0.7rem;
  color: var(--gray-mid);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.header-nav {
  display: flex;
  gap: 24px;
}
.header-nav a {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.header-nav a:hover { color: var(--gold); text-decoration: none; }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--black) 0%, var(--navy) 60%, #0d2060 100%);
  padding: 90px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(212,175,55,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero p {
  font-size: 1.1rem;
  color: #a8b2cc;
  max-width: 540px;
  margin: 0 auto 32px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--black);
}

/* ── Catalog section ── */
.catalog-section {
  padding: 64px 0 80px;
}
.section-title {
  font-size: 1.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy);
  margin-bottom: 28px;
}

/* ── Filter bar ── */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.filter-btn {
  background: var(--white);
  border: 2px solid var(--border);
  color: var(--gray-mid);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ── Product grid ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--border);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(26,33,81,0.14);
}
.product-card.hidden { display: none; }

.product-img-wrap {
  background: linear-gradient(135deg, var(--navy) 0%, #0d2060 100%);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.placeholder-icon { font-size: 4rem; opacity: 0.7; }

.product-info {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 6px;
}
.product-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}
.product-desc {
  font-size: 0.85rem;
  color: var(--gray-mid);
  flex: 1;
  margin-bottom: 16px;
}
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.product-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold);
}
.btn-card {
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-card:hover { background: var(--blue); }

/* ── About ── */
.about-section {
  background: var(--white);
  padding: 72px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-inner {
  display: flex;
  gap: 48px;
  align-items: center;
}
.about-patch {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 4px solid var(--gold);
  flex-shrink: 0;
  object-fit: cover;
  background: var(--navy);
}
.about-text h2 {
  font-size: 1.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy);
  margin-bottom: 14px;
}
.about-text p {
  color: #4a5068;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

/* ── Contact ── */
.contact-section { padding: 72px 0; }
.contact-intro {
  color: var(--gray-mid);
  margin-bottom: 32px;
  font-size: 0.95rem;
}
.contact-form { max-width: 640px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--black);
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
}
.form-success {
  margin-top: 20px;
  background: #e6f9f0;
  border: 1px solid #34c77b;
  color: #1a7a47;
  padding: 14px 20px;
  border-radius: 8px;
  font-weight: 600;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--gray-mid);
  line-height: 1;
}
.modal-close:hover { color: var(--black); }
.modal-box h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--navy);
  margin: 8px 0 14px;
}
.modal-box p { color: #4a5068; font-size: 0.95rem; margin-bottom: 12px; }
.modal-price-note {
  font-size: 0.85rem;
  color: var(--gray-mid);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 8px;
}

/* ── Footer ── */
footer {
  background: var(--black);
  border-top: 3px solid var(--gold);
  padding: 24px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: #666;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-align: center;
}
.footer-disclaimer {
  font-size: 0.72rem;
  color: #555;
  max-width: 680px;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero h1 { font-size: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .about-inner { flex-direction: column; text-align: center; }
  .header-nav { display: none; }
}