*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #08090e;
  --bg2: #0f1018;
  --bg3: #16171f;
  --border: #1e1f2b;
  --text: #eaeaf4;
  --muted: #7c7d99;
  --accent: #0ea5e9;
  --accent2: #6366f1;
  --up: #4ade80;
  --radius: 14px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,9,14,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 800; color: #fff; letter-spacing: 0.5px;
}
.logo-text { font-size: 1rem; font-weight: 700; color: var(--text); letter-spacing: -0.3px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }

/* ── Hero ── */
.hero {
  border-bottom: 1px solid var(--border);
  position: relative;
}
.hero-bg {
  display: block;
  width: 100%;
  height: auto;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(8,9,14,0.5) 0%, rgba(8,9,14,0.15) 45%, rgba(8,9,14,0.0) 100%);
}
.hero-inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 40px 28px 0;
  text-align: center;
}
.hero-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.hero-heading h1 { margin-bottom: 0; }
.badge {
  display: inline-block;
  background: rgba(14,165,233,0.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(14,165,233,0.25);
  text-transform: uppercase;
}
.hero h1 {
  white-space: nowrap;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.08;
  margin-bottom: 4px;
}
.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 36px;
}
.btn-hero-br {
  position: absolute;
  bottom: 28px;
  right: 28px;
  z-index: 1;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-hero-br:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

/* ── Section shared ── */
.section-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 90px 28px;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-inner h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin-bottom: 12px;
}
.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
}

/* ── Products ── */
.products { border-bottom: 1px solid var(--border); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s, transform 0.2s;
}
.product-card:hover { border-color: #333449; transform: translateY(-4px); }
.product-card.featured { border-color: rgba(14,165,233,0.35); background: rgba(14,165,233,0.04); }
.product-header { display: flex; align-items: center; justify-content: space-between; }
.product-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 800; color: #fff; letter-spacing: 0.5px;
}
.product-icon.dayliquid { background: linear-gradient(135deg, #0ea5e9, #6366f1); }
.product-icon.intrascan  { background: linear-gradient(135deg, #10b981, #0ea5e9); }
.product-icon.replay     { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.product-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 20px;
}
.product-card h3 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.4px; }
.product-card > p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; flex: 1; }
.product-features { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.product-features li {
  font-size: 0.85rem;
  color: var(--muted);
  padding-left: 16px;
  position: relative;
}
.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--up);
  font-size: 0.75rem;
}
.btn-product {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 4px;
  transition: opacity 0.15s;
}
.btn-product:hover { opacity: 0.7; }

/* ── About ── */
.about { background: var(--bg2); border-bottom: 1px solid var(--border); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text p { color: var(--muted); font-size: 0.97rem; margin-top: 16px; }
.about-stats { display: flex; flex-direction: column; gap: 16px; }
.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-num { font-size: 2rem; font-weight: 800; letter-spacing: -1px; color: var(--text); }
.stat-desc { font-size: 0.85rem; color: var(--muted); }

/* ── Contact ── */
.contact { border-bottom: 1px solid var(--border); }
.contact-inner { max-width: 640px; }
.contact-inner p { color: var(--muted); font-size: 1rem; margin: 12px 0 36px; }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input,
.contact-form textarea {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
  transition: border-color 0.15s;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }
.contact-form button {
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.contact-form button:hover { opacity: 0.85; }
.form-note { font-size: 0.88rem; min-height: 1.4em; }

/* ── Footer ── */
footer { padding: 60px 28px 36px; }
.footer-inner { max-width: 1140px; margin: 0 auto; }
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.footer-brand p { color: var(--muted); font-size: 0.88rem; margin-top: 10px; max-width: 240px; }
.footer-links { display: flex; gap: 60px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.col-title { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.footer-col a { color: var(--muted); text-decoration: none; font-size: 0.88rem; transition: color 0.15s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { color: var(--muted); font-size: 0.82rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { flex-direction: column; }
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero-inner { padding: 72px 20px 80px; }
}