/* ── RESET ── */

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

/* ── TOKENS ── */

:root {
  --red:     #bc002d;
  --red-dim: #f4e6ea;
  --text:    #0f0f0f;
  --muted:   #6b6b6b;
  --subtle:  #999;
  --border:  #e8e8e8;
  --bg:      #ffffff;
  --surface: #f7f7f7;
  --font:    'Inter', system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, monospace;
  --radius:  12px;
}

/* ── BASE ── */

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── SHARED: border-top divider ── */

.card-footer,
.contact,
footer {
  border-top: 1px solid var(--border);
}

/* ── SHARED: monospace text ── */

.badge,
.card-package,
.card-desc code {
  font-family: var(--mono);
}

/* ── SHARED: muted link with hover ── */

.nav-links a,
.card-links a,
.footer-links a {
  color: var(--muted);
  transition: color 0.15s;
}

.nav-links a:hover,
.card-links a:hover,
.footer-links a:hover {
  color: var(--text);
}

/* ── SHARED: flex row ── */

.nav-links,
.card-links,
.footer-links {
  display: flex;
  align-items: center;
}

/* ── NAV ── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.logo-name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.nav-links {
  gap: 6px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 7px;
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover {
  background: var(--surface);
}

.nav-links .cta {
  color: var(--text);
  border: 1px solid var(--border);
  margin-left: 6px;
}

.nav-links .cta:hover {
  background: var(--surface);
  border-color: #d0d0d0;
}

/* ── HERO ── */

.hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 88px 40px 72px;
  text-align: center;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--red);
  background: var(--red-dim);
  padding: 5px 13px;
  border-radius: 100px;
  margin-bottom: 28px;
}

h1 {
  font-size: clamp(34px, 5.5vw, 54px);
  font-weight: 600;
  letter-spacing: -1.8px;
  line-height: 1.12;
  margin-bottom: 22px;
}

.hero-desc {
  font-size: 18px;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ── PRODUCTS ── */

.products {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 96px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: #d0d0d0;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.07);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg { display: block; }

.card-icon.green  { background: #e3f6ec; }
.card-icon.violet { background: #eeebfd; }
.card-icon.amber  { background: #fef4e3; }
.card-icon.blue   { background: #dbeafe; }

.card h2 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
}

.card-desc code {
  font-size: 12px;
  background: var(--border);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text);
}

.card-footer {
  margin-top: 22px;
  padding-top: 18px;
}

.card-package {
  font-size: 11px;
  color: var(--subtle);
  margin-bottom: 12px;
}

.card-links {
  gap: 14px;
}

.card-links a {
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ── CONTACT ── */

.contact {
  padding: 72px 40px;
  text-align: center;
}

.contact h2 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}

.contact p {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 15px;
}

.contact-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 500;
  color: var(--red);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.contact-link:hover { border-color: var(--red); }

/* ── FOOTER ── */

footer {
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--subtle);
}

.footer-links {
  gap: 20px;
}

.footer-links a {
  color: var(--subtle);
}

/* ── RESPONSIVE ── */

@media (max-width: 600px) {
  nav           { padding: 0 20px; }
  .hero         { padding: 60px 20px 48px; }
  .products     { padding: 0 20px 64px; }
  .grid         { grid-template-columns: 1fr; max-width: 100%; }
  .contact      { padding: 56px 20px; }
  footer        { flex-direction: column; gap: 14px; text-align: center; padding: 24px 20px; }
}