:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #1a2b3c;
  --muted: #5a6b7d;
  --line: #d8e2ec;
  --brand: #0d6e4f;
  --brand-dark: #095a40;
  --accent: #e87722;
  --accent-hover: #cf6518;
  --radius: 12px;
  --font: "Segoe UI", system-ui, sans-serif;
  --shadow: 0 8px 28px rgba(26, 43, 60, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  background: linear-gradient(135deg, #0d6e4f, #128564);
  color: #fff;
  padding: 1rem 0;
  box-shadow: var(--shadow);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.brand {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.brand small {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  opacity: 0.9;
}
.site-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: #e8fff6;
  font-weight: 600;
  font-size: 0.92rem;
}
.site-nav a:hover { color: #fff; text-decoration: none; }

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  padding: 2.5rem 0 1.5rem;
}
.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: -0.03em;
}
.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  padding: 0 0 2.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.card img, .card .card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #e8f5ef;
  display: block;
}
.card-body {
  padding: 1rem 1.1rem 1.15rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}
.card .price {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--brand);
  margin: 0.25rem 0 0.65rem;
}
.card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
.btn-buy {
  background: var(--accent);
  color: #fff;
  width: 100%;
}
.btn-buy:hover { background: var(--accent-hover); }
.btn-buy:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.page {
  padding: 2rem 0 2.5rem;
}
.page h1 {
  margin: 0 0 1rem;
  font-size: 1.75rem;
}
.page h2 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.15rem;
}
.page p, .page li {
  color: var(--ink);
}
.page ul { padding-left: 1.2rem; }

.form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  max-width: 640px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}
.field span { font-weight: 600; font-size: 0.9rem; }
.field input, .field textarea, .field select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
  font: inherit;
}
.field textarea { min-height: 110px; resize: vertical; }

.notice {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  background: #e8f5ef;
  border: 1px solid #b8e0cc;
}
.notice.error {
  background: #fdecea;
  border-color: #f5c2c0;
}
.notice.ok {
  background: #e8f5ef;
  border-color: #8fd4b0;
}

.site-footer {
  margin-top: 2rem;
  background: #122433;
  color: #c5d4e0;
  padding: 1.75rem 0;
  font-size: 0.92rem;
}
.site-footer a { color: #9fd4b8; }
.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.75rem 0;
}
.footer-meta { color: #8fa3b3; font-size: 0.85rem; }

.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  max-width: 520px;
}
.contact-card p { margin: 0.35rem 0; }

.grid-loading,
.grid-empty {
  grid-column: 1 / -1;
  color: var(--muted);
  margin: 0;
  padding: 1rem 0;
}

@media (max-width: 640px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
}