:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef3ea;
  --text: #1f2937;
  --muted: #5f6b7a;
  --border: #d8e0d8;
  --green: #2f6b2f;
  --green-dark: #234f23;
  --accent: #d7e96a;
  --accent-dark: #b1c943;
  --navy: #1f3659;
  --shadow: 0 12px 30px rgba(31, 54, 89, 0.10);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  background: var(--navy);
  color: #fff;
  font-size: 0.95rem;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  flex-wrap: wrap;
}
.topbar a { color: #fff; }

header.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}
.brand span { color: var(--green); }
nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
}
nav a {
  font-weight: 700;
  color: var(--text);
}
nav a.active,
nav a:hover {
  color: var(--green);
  text-decoration: none;
}

.hero {
  position: relative;
  background: linear-gradient(rgba(17, 24, 39, 0.60), rgba(17, 24, 39, 0.58)),
    url('classroom-chair-floor-protection.jpg') center/cover no-repeat;
  color: #fff;
}
.hero .container {
  min-height: 560px;
  display: grid;
  align-items: center;
  padding: 4rem 0;
}
.hero-card {
  width: min(660px, 100%);
  background: rgba(17, 24, 39, 0.60);
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(3px);
  padding: 2rem;
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.eyebrow {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(215, 233, 106, 0.18);
  color: #f0f9a6;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}
.hero h1,
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.08;
  margin: 0 0 1rem;
}
.hero p,
.page-hero p {
  font-size: 1.08rem;
  max-width: 58ch;
  color: rgba(255,255,255,0.94);
}
.cta-row {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
  font-weight: 800;
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #111827;
}
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.75);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); text-decoration: none; }

.page-hero {
  background: linear-gradient(135deg, var(--navy), #2a4d77 55%, var(--green-dark));
  color: #fff;
}
.page-hero .container {
  padding: 3.2rem 0;
}
.page-hero p { color: rgba(255,255,255,0.94); margin-bottom: 0; }

section.section {
  padding: 4rem 0;
}
section.section-tight {
  padding: 3rem 0;
}
.section-title {
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 0.8rem;
  color: var(--navy);
}
.section-intro {
  max-width: 70ch;
  color: var(--muted);
  margin: 0 0 1.8rem;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.25rem;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-body { padding: 1.35rem; }
.card h3 { margin: 0 0 0.6rem; color: var(--navy); }
.card p { margin: 0; color: var(--muted); }

.feature-list {
  display: grid;
  gap: 0.9rem;
  padding: 0;
  list-style: none;
  margin: 1.25rem 0 0;
}
.feature-list li {
  position: relative;
  padding-left: 1.7rem;
}
.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 800;
}

.callout {
  background: linear-gradient(135deg, var(--surface-2), #ffffff);
  border: 1px solid var(--border);
  padding: 1.4rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.callout strong { color: var(--navy); }
.callout p:last-child { margin-bottom: 0; }

.media-card img,
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-card .card-body { min-height: 170px; }
.image-frame {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #fff;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.metric {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}
.metric .number {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.metric p { margin: 0; color: var(--muted); }

.note {
  font-size: 0.95rem;
  color: var(--muted);
}

.order-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.order-box h2,
.order-box h3 { margin-top: 0; color: var(--navy); }
.order-box table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.85rem;
}
.order-box td {
  padding: 0.45rem 0;
  vertical-align: top;
}
.order-box select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #c6d2c6;
  border-radius: 12px;
  background: #fff;
  font-size: 1rem;
}
.order-box input[type="image"] {
  margin-top: 0.75rem;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.price-table th,
.price-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.price-table th {
  background: #f0f5ee;
  color: var(--navy);
}
.price-table tr:last-child td { border-bottom: none; }

.faq-list {
  display: grid;
  gap: 1rem;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1.3rem;
}
.faq-item h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.08rem;
}
.faq-item p { margin: 0; color: var(--muted); }

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.contact-card h2,
.contact-card h3 { margin-top: 0; color: var(--navy); }
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
}
.contact-list li { color: var(--muted); }
.contact-list strong { color: var(--text); }

footer.site-footer {
  background: #102238;
  color: rgba(255,255,255,0.9);
  margin-top: 3rem;
}
footer .container {
  padding: 2rem 0;
  display: grid;
  gap: 1rem;
}
footer a { color: #fff; }
.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-small {
  color: rgba(255,255,255,0.72);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-3,
  .grid-2,
  .metrics { grid-template-columns: 1fr; }
  .nav-wrap { flex-direction: column; align-items: flex-start; }
  nav ul { gap: 0.85rem; }
}

@media (max-width: 640px) {
  .hero .container { min-height: 500px; }
  .hero-card { padding: 1.35rem; }
  .topbar .container { flex-direction: column; }
  .grid-4 { grid-template-columns: 1fr; }
}