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

:root {
  --bg:          #0a0b0f;
  --bg-2:        #15161d;
  --bg-3:        #1a1b24;
  --border:      rgba(255,255,255,0.07);
  --text:        #f8fafc;
  --text-muted:  #c8d8e8;
  --text-faint:  #94a3b8;
  --green:       #0d9b76;
  --green-lt:    #34d399;
  --cyan:        #22d3ee;
  --purple:      #a78bfa;
  --pink:        #fb7185;
  --yellow:      #fbbf24;
  --teal:        #2dd4bf;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ── Navbar ─────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: 60px; display: flex; align-items: center;
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  background: rgba(10,11,15,0.85);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 2rem; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 0.6rem; }
.nav-logo  { height: 26px; width: auto; }
.nav-sep   { width: 1px; height: 18px; background: rgba(255,255,255,0.14); }
.nav-badge {
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--green-lt);
  padding: 0.15rem 0.45rem;
  background: rgba(13,155,118,0.12);
  border: 1px solid rgba(13,155,118,0.28);
  border-radius: 4px;
}
.nav-links { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.nav-links a {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-muted); transition: color 0.15s;
}
.nav-links a i { font-size: 0.8rem; }
.nav-links a:hover { color: var(--text); }
.nav-links .ext { font-size: 0.6rem; margin-left: 0.15rem; opacity: 0.5; }
.nav-gh {
  font-size: 0.8rem; font-weight: 600;
  padding: 0.4rem 1rem; border-radius: var(--r-sm);
  background: var(--green); color: #fff !important;
  transition: background 0.15s;
}
.nav-gh:hover { background: #0bb88c; }

/* ── Hero ───────────────────────────────────────────── */
.hero {
  padding: 5rem 2rem 4rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  top: -120px; right: -80px;
  width: 620px; height: 620px;
  background: radial-gradient(ellipse, rgba(13,155,118,0.07) 0%, transparent 68%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute;
  bottom: -80px; left: -80px;
  width: 480px; height: 480px;
  background: radial-gradient(ellipse, rgba(34,211,238,0.05) 0%, transparent 68%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--green-lt); margin-bottom: 1.1rem;
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: ''; width: 2rem; height: 1px;
  background: var(--green-lt); opacity: 0.35;
}
.hero-title {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700; letter-spacing: -0.025em; line-height: 1.1;
  margin-bottom: 1.1rem;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 55%, #c8d8e8 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 1rem; color: var(--text-muted);
  max-width: 540px; margin: 0 auto;
  line-height: 1.75;
}

/* ── Shared layout ──────────────────────────────────── */
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

.section { padding: 3rem 0; border-top: 1px solid var(--border); }
.section:first-child { border-top: none; padding-top: 0; }

.section-heading {
  font-size: 1.15rem; font-weight: 700;
  letter-spacing: -0.01em; margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-heading .sh-icon {
  width: 28px; height: 28px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; flex-shrink: 0;
}

/* ── Product cards (2-col) ──────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.product-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.625rem;
  position: relative; overflow: hidden;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.product-card::before {
  content: ''; position: absolute;
  inset: 0 0 auto 0; height: 2px; opacity: 0;
  transition: opacity 0.2s;
}
.product-card:hover { transform: translateY(-2px); box-shadow: 0 10px 36px rgba(0,0,0,0.45); }
.card-zilla::before  { background: linear-gradient(90deg, #0d9b76, #34d399); }
.card-zilla:hover    { border-color: rgba(52,211,153,0.3); }
.card-zilla:hover::before  { opacity: 1; }
.card-platform::before { background: linear-gradient(90deg, #22d3ee, #0d9b76); }
.card-platform:hover   { border-color: rgba(34,211,238,0.3); }
.card-platform:hover::before { opacity: 1; }

.card-link { position: absolute; inset: 0; z-index: 1; }
.pc-links  { position: relative; z-index: 2; }

.pc-header { display: flex; align-items: center; gap: 0.875rem; margin-bottom: 0.75rem; }
.pc-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.pc-title { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.pc-desc  { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 1.25rem; }
.pc-links { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.pc-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.8rem; font-weight: 600;
  padding: 0.42rem 0.9rem; border-radius: var(--r-sm);
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
}
.pc-link:hover { transform: translateY(-1px); }
.pl-solid-green { background: var(--green); color: #fff; }
.pl-solid-green:hover { background: #0bb88c; }
.pl-solid-cyan  { background: rgba(34,211,238,0.14); color: var(--cyan); border: 1px solid rgba(34,211,238,0.28); }
.pl-solid-cyan:hover  { background: rgba(34,211,238,0.22); }
.pl-ghost {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-muted); font-weight: 500;
}
.pl-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.12); color: var(--text); }

/* ── Use-case cards (3-col) ─────────────────────────── */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.uc-card {
  display: flex; flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}
.uc-card:hover {
  border-color: rgba(255,255,255,0.13);
  background: var(--bg-3);
  transform: translateY(-1px);
}
.uc-top { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.55rem; }
.uc-icon {
  width: 30px; height: 30px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; flex-shrink: 0;
}
.uc-title { font-size: 0.9rem; font-weight: 600; }
.uc-desc  { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; flex: 1; }
.uc-tag   {
  margin-top: 0.875rem; align-self: flex-start;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.1rem 0.45rem; border-radius: 4px;
}

/* ── Accordion / Getting started ─────────────────────── */
.accordion { display: flex; flex-direction: column; gap: 0.6rem; }
details.acc-item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
details.acc-item[open] { border-color: rgba(255,255,255,0.12); }
summary.acc-summary {
  display: flex; align-items: center; gap: 0.875rem;
  padding: 1rem 1.25rem;
  cursor: pointer; list-style: none;
  font-size: 0.925rem; font-weight: 600;
  transition: background 0.15s;
}
summary.acc-summary::-webkit-details-marker { display: none; }
summary.acc-summary:hover { background: rgba(255,255,255,0.03); }
.acc-icon {
  width: 30px; height: 30px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; flex-shrink: 0;
}
.acc-chevron {
  margin-left: auto;
  font-size: 0.75rem; color: var(--text-faint);
  transition: transform 0.2s;
}
details[open] .acc-chevron { transform: rotate(180deg); }
.acc-body {
  padding: 0 1.25rem 1.1rem 1.25rem;
  border-top: 1px solid var(--border);
}
.acc-body p {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.65; padding-top: 0.9rem; margin-bottom: 0.875rem;
}
.acc-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.acc-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.8rem; font-weight: 600;
  padding: 0.42rem 0.9rem; border-radius: var(--r-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.12s;
}
.acc-link:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
  color: var(--text); transform: translateY(-1px);
}
.acc-link-primary {
  background: var(--green); color: #fff; border-color: transparent;
}
.acc-link-primary:hover { background: #0bb88c; color: #fff; }

/* ── Resource cards (1-col wide) ─────────────────────── */
.res-list { display: flex; flex-direction: column; gap: 0.75rem; }
.res-card {
  display: flex; align-items: center; gap: 1.25rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.1rem 1.375rem;
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}
.res-card:hover {
  border-color: rgba(255,255,255,0.13);
  background: var(--bg-3);
  transform: translateY(-1px);
}
.res-icon {
  width: 38px; height: 38px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
}
.res-body { flex: 1; min-width: 0; }
.res-title { font-size: 0.925rem; font-weight: 600; margin-bottom: 0.2rem; }
.res-desc  { font-size: 0.82rem; color: var(--text-muted); line-height: 1.45; }
.res-arrow { color: var(--text-faint); font-size: 0.75rem; flex-shrink: 0; }

/* ── Footer ─────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 2.5rem 0; margin-top: 1rem; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.75rem; }
.footer-logo  { height: 20px; width: auto; opacity: 0.65; }
.footer-copy  { font-size: 0.8rem; color: var(--text-faint); }
.footer-links { display: flex; align-items: center; gap: 1.25rem; }
.footer-links a { font-size: 0.8rem; color: var(--text-faint); transition: color 0.15s; }
.footer-links a:hover { color: var(--text-muted); }
.footer-social { display: flex; gap: 0.65rem; }
.footer-social a {
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--text-faint);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.footer-social a:hover {
  background: rgba(255,255,255,0.08); color: var(--text-muted);
  border-color: rgba(255,255,255,0.1);
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 860px) {
  .product-grid { grid-template-columns: 1fr; }
  .uc-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 580px) {
  .nav-links { display: none; }
  .hero { padding: 3.5rem 1.5rem 2.5rem; }
  .wrap { padding: 0 1.25rem; }
  .uc-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}