:root {
  --bg: #050810;
  --surface: #0C0F1E;
  --surface2: #131729;
  --border: rgba(255,255,255,0.06);
  --primary: #0EA5E9;
  --primary-dim: rgba(14,165,233,0.15);
  --primary-glow: rgba(14,165,233,0.3);
  --accent: #A78BFA;
  --accent-dim: rgba(167,139,250,0.12);
  --green: #10B981;
  --green-dim: rgba(16,185,129,0.12);
  --orange: #F59E0B;
  --text: #F1F5FF;
  --muted: #6B7280;
  --muted2: #374151;
  --r: 12px;
  --r-lg: 20px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); overflow-x: hidden; line-height: 1.6; }
a { text-decoration: none; color: inherit; }

/* bg */
.bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 20% 10%, rgba(14,165,233,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(167,139,250,0.1) 0%, transparent 60%);
}

/* grid overlay */
.grid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

/* nav */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 1.25rem;
  background: rgba(5,8,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
@media (min-width: 768px) { nav { padding: 0.9rem 2.5rem; } }
.logo { font-weight: 900; font-size: 0.95rem; letter-spacing: -0.5px; white-space: nowrap; }
.logo span { color: var(--primary); }
.nav-links { display: none; gap: 2rem; }
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a { font-size: 0.85rem; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-btn {
  padding: 0.45rem 1rem;
  background: var(--primary);
  color: #fff; font-weight: 700; font-size: 0.8rem;
  border-radius: var(--r);
  white-space: nowrap; flex-shrink: 0;
  box-shadow: 0 0 20px var(--primary-glow);
  transition: opacity 0.15s;
}
.nav-btn:hover { opacity: 0.85; }
@media (min-width: 768px) { .nav-btn { padding: 0.55rem 1.25rem; font-size: 0.88rem; } }

/* hero */
.hero {
  position: relative; z-index: 1;
  max-width: 820px; margin: 0 auto;
  padding: 6rem 1.5rem 3rem;
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 1.5rem;
}
.hero-chip {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0.9rem;
  border: 1px solid rgba(14,165,233,0.3);
  background: rgba(14,165,233,0.07);
  border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; color: var(--primary);
  text-transform: uppercase; letter-spacing: 1px;
}
.live-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: blink 1.8s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
h1 {
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 900; line-height: 1.1; letter-spacing: -1.5px;
}
h1 em { font-style: normal; color: var(--primary); }
h1 mark { background: none; color: var(--accent); }
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 500px; }
.hero-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 0.5rem; }
.btn-cta {
  padding: 0.9rem 2rem; background: var(--primary); color: #fff;
  font-weight: 700; font-size: 0.95rem; border-radius: var(--r);
  box-shadow: 0 0 30px var(--primary-glow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 0 50px var(--primary-glow); }
.btn-outline {
  padding: 0.9rem 1.75rem;
  border: 1px solid var(--border); color: var(--text);
  font-weight: 600; font-size: 0.95rem; border-radius: var(--r);
  transition: border-color 0.15s;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.2); }
.hero-note { font-size: 0.78rem; color: var(--muted2); }

/* dashboard mockup */
.dash-wrap {
  position: relative; z-index: 1;
  max-width: 920px; margin: 0 auto;
  padding: 0 1.25rem 4rem;
}
.dash {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 100px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
}
.dash-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 1rem;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
}
.dash-dots { display: flex; gap: 0.4rem; }
.dd { width: 10px; height: 10px; border-radius: 50%; }
.dd.r{background:#FF5F57;} .dd.y{background:#FEBC2E;} .dd.g{background:#28C840;}
.dash-title { font-family: var(--mono); color: var(--muted); font-size: 0.72rem; }
.dash-status { display: flex; align-items: center; gap: 0.4rem; color: var(--green); font-weight: 600; }
.dash-body {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .dash-body { grid-template-columns: 1fr 1fr 1fr; } }

/* metric cards */
.metric-row {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border-bottom: 1px solid var(--border);
}
.metric {
  padding: 1.1rem 1.25rem;
  border-right: 1px solid var(--border);
}
.metric:last-child { border-right: none; }
.metric .m-label { font-size: 0.68rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.metric .m-val { font-size: 1.5rem; font-weight: 800; margin: 0.2rem 0; letter-spacing: -0.5px; }
.metric .m-delta { font-size: 0.72rem; font-weight: 600; }
.m-val.blue { color: var(--primary); }
.m-val.purple { color: var(--accent); }
.m-val.green { color: var(--green); }
.m-delta.up { color: var(--green); }
.m-delta.dn { color: #EF4444; }

/* chart area */
.chart-area {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.chart-label { font-size: 0.72rem; font-weight: 600; color: var(--muted); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.5px; }
.chart-bars {
  display: flex; align-items: flex-end; gap: 6px; height: 80px;
}
.bar {
  flex: 1; border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--primary) 0%, rgba(14,165,233,0.3) 100%);
  transition: opacity 0.15s;
  min-width: 0;
}
.bar.dim { opacity: 0.35; }
.bar.accent { background: linear-gradient(180deg, var(--accent) 0%, rgba(167,139,250,0.3) 100%); }

/* query block */
.query-block {
  padding: 1rem 1.25rem;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.query-row {
  display: flex; align-items: flex-start; gap: 0.6rem;
}
.q-icon { font-size: 0.75rem; margin-top: 2px; }
.q-text { font-size: 0.78rem; line-height: 1.45; }
.q-text.prompt { color: var(--muted); font-family: var(--mono); }
.q-text.answer { color: var(--text); }
.q-text strong { color: var(--primary); }

/* sections */
section { position: relative; z-index: 1; }
.inner { max-width: 920px; margin: 0 auto; padding: 4.5rem 1.5rem; }
.s-tag { display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--primary); margin-bottom: 0.6rem; }
.s-title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 0.85rem; }
.s-sub { font-size: 0.95rem; color: var(--muted); max-width: 500px; }

/* use-cases */
.use-grid { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; margin-top: 2.5rem; }
@media (min-width: 640px) { .use-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 900px) { .use-grid { grid-template-columns: repeat(3,1fr); } }
.use-card { background: var(--surface); padding: 1.75rem; }
.use-card .uc-icon { font-size: 1.6rem; margin-bottom: 0.75rem; }
.use-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.use-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.55; }

/* how */
.how-grid { display: grid; gap: 1.5rem; margin-top: 2.5rem; }
@media (min-width: 640px) { .how-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 900px) { .how-grid { grid-template-columns: repeat(4,1fr); } }
.how-card { display: flex; flex-direction: column; gap: 0.75rem; }
.how-num { width: 36px; height: 36px; border-radius: 10px; background: var(--primary-dim); border: 1px solid rgba(14,165,233,0.25); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.88rem; color: var(--primary); }
.how-card h3 { font-size: 0.9rem; font-weight: 700; }
.how-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }

/* integrations */
.integrations { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 2rem; }
.int-chip {
  display: flex; align-items: center; gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem; color: var(--muted);
  transition: border-color 0.15s, color 0.15s;
}
.int-chip:hover { border-color: rgba(14,165,233,0.35); color: var(--text); }

/* testimonials */
.testi-grid { display: grid; gap: 1rem; margin-top: 2.5rem; }
@media (min-width: 640px) { .testi-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 900px) { .testi-grid { grid-template-columns: repeat(3,1fr); } }
.testi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.85rem;
}
.testi-stars { color: var(--orange); font-size: 0.85rem; letter-spacing: 1px; }
.testi-text { font-size: 0.85rem; color: var(--muted); line-height: 1.6; flex: 1; }
.testi-author { display: flex; align-items: center; gap: 0.6rem; }
.testi-ava { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; background: var(--surface2); }
.testi-name { font-size: 0.82rem; font-weight: 700; }
.testi-role { font-size: 0.72rem; color: var(--muted); }

/* cta */
.cta-box {
  background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(167,139,250,0.07));
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: var(--r-lg);
  padding: 4rem 2rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
  margin: 0 1.5rem 4rem;
  position: relative; z-index: 1;
}
.cta-box h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; letter-spacing: -0.5px; line-height: 1.2; }
.cta-box p { font-size: 0.95rem; color: var(--muted); max-width: 420px; }
.cta-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.cta-logo-chip { padding: 0.3rem 0.75rem; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-size: 0.75rem; color: var(--muted); }

/* pricing */
.pricing-grid { display: grid; gap: 1rem; margin-top: 2.5rem; }
@media (min-width: 640px) { .pricing-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 900px) { .pricing-grid { grid-template-columns: repeat(3,1fr); } }
.pricing-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem 1.75rem;
  display: flex; flex-direction: column; gap: 0.85rem;
}
.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(14,165,233,0.07), var(--surface));
  box-shadow: 0 0 40px rgba(14,165,233,0.1);
}
.plan-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }
.pricing-card.featured .plan-label { color: var(--primary); }
.plan-name { font-size: 1.3rem; font-weight: 800; }
.plan-price { font-size: 2.2rem; font-weight: 900; line-height: 1; letter-spacing: -1px; }
.plan-price span { font-size: 0.95rem; font-weight: 400; color: var(--muted); }
.plan-desc { font-size: 0.82rem; color: var(--muted); }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; margin-top: 0.25rem; }
.plan-features li { display: flex; align-items: center; gap: 0.55rem; font-size: 0.83rem; color: var(--muted); }
.plan-features li::before { content: '✓'; color: var(--green); font-weight: 700; font-size: 0.72rem; flex-shrink: 0; }
.plan-features li.dim { color: var(--muted2); }
.plan-features li.dim::before { content: '×'; color: var(--muted2); }
.plan-btn {
  display: block; text-align: center;
  padding: 0.8rem; border-radius: var(--r);
  font-weight: 700; font-size: 0.88rem;
  margin-top: auto; cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}
.plan-btn.outline { border: 1px solid var(--border); color: var(--text); }
.plan-btn.outline:hover { border-color: rgba(255,255,255,0.2); }
.plan-btn.fill { background: var(--primary); color: #fff; box-shadow: 0 0 24px var(--primary-glow); }
.plan-btn.fill:hover { opacity: 0.88; transform: translateY(-1px); }

/* footer */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem 2rem;
  max-width: 920px; margin: 0 auto;
}
.ft-grid { display: grid; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 640px) { .ft-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.ft-brand .logo { margin-bottom: 0.5rem; }
.ft-brand p { font-size: 0.8rem; color: var(--muted); max-width: 200px; line-height: 1.5; }
.ft-col h4 { font-size: 0.8rem; font-weight: 700; margin-bottom: 0.65rem; }
.ft-col a { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.35rem; transition: color 0.15s; }
.ft-col a:hover { color: var(--text); }
.ft-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: 0.75rem; color: var(--muted2); }