/* DESINO gaming desk brand guide site */
:root {
  --ink: #1B1F24;
  --ink-soft: #3A4048;
  --bg: #F7F8FA;
  --panel: #FFFFFF;
  --border: #E4E7EB;
  --accent: #4FD1C5;
  --accent-dark: #2FA79A;
  --accent-2: #F2A950;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 14px; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }
p { margin: 0 0 12px; color: var(--ink-soft); }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--ink); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; padding-bottom: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { font-weight: 600; font-size: 15px; color: var(--ink-soft); }
.main-nav a:hover { color: var(--ink); }
.header-cta { font-size: 14px; padding: 10px 18px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #1B1F24, #2A313A);
  color: #fff;
  padding: 64px 0;
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.hero h1 { font-size: 38px; color: #fff; }
.hero-copy p { color: #C7CDD3; }
.rating-badge { display: flex; align-items: center; gap: 10px; margin: 18px 0; }
.stars { color: var(--accent-2); letter-spacing: 2px; }
.rating-text { font-size: 14px; color: #C7CDD3; }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.hero .btn-primary { background: var(--accent); color: #12312D; }
.hero .btn-primary:hover { background: var(--accent-dark); }
.hero .btn-secondary { border-color: #4A515A; color: #fff; }
.hero .btn-secondary:hover { border-color: #fff; }
.hero-image img { border-radius: var(--radius); }

/* Features */
.features { padding: 64px 0 32px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px;
}
.feature-icon { font-size: 28px; margin-bottom: 10px; }

/* About */
.about { padding: 32px 0 64px; }
.about-inner { max-width: 760px; }

/* Products */
.products { padding: 64px 0; background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-subtitle { color: var(--ink-soft); margin-top: -6px; margin-bottom: 32px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; text-align: left;
}
.product-card img { border-radius: 8px; margin: 0 auto 16px; }
.product-rating { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-soft); margin-bottom: 10px; }
.color-options { display: flex; gap: 8px; margin: 12px 0; }
.swatch { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--border); display: inline-block; }
.swatch-black { background: #1B1F24; }
.swatch-white { background: #F5F5F0; }
.swatch-gray { background: #9AA1A8; }
.product-buttons { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.product-buttons .btn { padding: 10px 16px; font-size: 14px; }

/* Use cases */
.use-cases { padding: 64px 0; }
.use-case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.use-case-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 240px;
  display: flex;
  align-items: flex-end;
}
.use-case-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.use-case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27,31,36,0.15) 0%, rgba(27,31,36,0.92) 100%);
  z-index: 1;
}
.use-case-content {
  position: relative;
  z-index: 2;
  padding: 20px;
}
.use-case-content h3 { font-size: 17px; color: #fff; margin-bottom: 6px; }
.use-case-content p { color: #D7DBDF; margin: 0; font-size: 14px; }

/* Reviews */
.reviews { padding: 64px 0; background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.review-card .stars { display: block; margin-bottom: 10px; }
.review-author { display: block; margin-top: 10px; font-size: 13px; font-weight: 700; color: var(--ink-soft); }

/* FAQ */
.faq { padding: 64px 0; }
.faq-list { max-width: 800px; }
.faq-list details {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 20px; margin-bottom: 12px;
}
.faq-list summary { font-weight: 700; cursor: pointer; }
.faq-list p { margin-top: 10px; }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; padding: 56px 0; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #C7CDD3; }
.cta-inner .hero-buttons { justify-content: center; }
.cta-band .btn-primary { background: var(--accent); color: #12312D; }
.cta-band .btn-secondary { border-color: #4A515A; color: #fff; }

/* Footer */
.site-footer { background: #14171B; color: #B9BFC6; padding-top: 48px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-bottom: 32px; }
.footer-links, .footer-contact { display: flex; flex-direction: column; gap: 8px; }
.footer-links h4, .footer-contact h4 { color: #fff; margin-bottom: 6px; }
.site-footer .logo-text { color: #fff; }
.footer-bottom { border-top: 1px solid #2A2F35; padding: 18px 0; font-size: 13px; }

/* Slogan strip */
.slogan-strip { padding: 20px 0; background: var(--panel); border-bottom: 1px solid var(--border); }
.slogan-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 14px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-soft);
}
.slogan-row span:nth-child(odd) { color: var(--accent-dark); }

/* Contact line */
.contact-line { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 20px; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .features-grid, .product-grid, .review-grid { grid-template-columns: 1fr; }
  .use-case-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
}