:root {
  --bg: #020810;
  --bg2: #060e1c;
  --panel: #0d1929;
  --panel-2: #101f33;
  --border: rgba(20,150,255,0.18);
  --border-strong: rgba(20,150,255,0.4);
  --accent: #1496ff;
  --accent-2: #6a5bff;
  --text: #e8f0ff;
  --text-dim: #8aa2c4;
  --good: #4ade80;
  --radius: 14px;
}
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ── Background texture: soft glows, never distracting ── */
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden;
}
.bg-glow::before, .bg-glow::after {
  content: ''; position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.28;
}
.bg-glow::before { width: 640px; height: 640px; top: -220px; left: -160px; background: var(--accent); }
.bg-glow::after { width: 560px; height: 560px; bottom: -200px; right: -140px; background: var(--accent-2); }

/* ── Nav ── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(2,8,16,0.78); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0.02em; }
.nav-logo svg { width: 28px; height: 30px; }
.nav-logo .lbl-dt { font-size: 11px; color: var(--accent); letter-spacing: 0.18em; display: block; }
.nav-logo .lbl-name { font-size: 19px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--text-dim); font-size: 14.5px; font-weight: 600; transition: color .15s; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-mobile-toggle { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-size: 14.5px; font-weight: 700;
  cursor: pointer; border: 1px solid transparent; transition: transform .12s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  box-shadow: 0 8px 24px rgba(20,150,255,0.28);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(106,91,255,0.4); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: rgba(20,150,255,0.08); }
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 15px 30px; font-size: 16px; border-radius: 12px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* ── Sections / headings ── */
section { padding: 96px 0; }
.section-head { max-width: 680px; margin: 0 auto 52px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--border-strong); padding: 6px 14px; border-radius: 999px;
  margin-bottom: 18px; background: rgba(20,150,255,0.06);
}
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(38px, 5.4vw, 64px); font-weight: 800; line-height: 1.08; }
h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; line-height: 1.15; }
h3 { font-size: 19px; font-weight: 700; }
.section-head p, .lede { color: var(--text-dim); font-size: 17px; line-height: 1.65; }
.gradient-text {
  background: linear-gradient(135deg, #eaf3ff, var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ── Hero ── */
.hero { padding: 116px 0 80px; text-align: center; position: relative; }
.hero-paw {
  width: 88px; height: 96px; margin: 0 auto 26px;
  filter: drop-shadow(0 0 28px rgba(20,150,255,0.55));
  animation: heroPawFloat 4s ease-in-out infinite;
}
@keyframes heroPawFloat { 0%,100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-10px) rotate(4deg); } }
.hero h1 { max-width: 900px; margin: 0 auto 22px; }
.hero .lede { max-width: 640px; margin: 0 auto 38px; font-size: 18px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.hero-note { color: var(--text-dim); font-size: 13px; }
.hero-stats { display: flex; gap: 48px; justify-content: center; margin-top: 64px; flex-wrap: wrap; }
.hero-stat b { display: block; font-size: 30px; font-weight: 800; background: linear-gradient(135deg, var(--text), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stat span { color: var(--text-dim); font-size: 13px; }

/* ── Hero visual: a big illustrative mark, not a product screenshot ── */
.hero-visual { max-width: 720px; margin: 56px auto 0; position: relative; }
.hero-visual svg { width: 100%; height: auto; display: block; }
.hero-visual-node { animation: heroNodePulse 3.2s ease-in-out infinite; transform-origin: center; }
.hero-visual-node.d2 { animation-delay: .5s; }
.hero-visual-node.d3 { animation-delay: 1s; }
.hero-visual-node.d4 { animation-delay: 1.6s; }
.hero-visual-node.d5 { animation-delay: 2.1s; }
@keyframes heroNodePulse { 0%,100% { opacity: .55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.35); } }
.hero-visual-link { stroke-dasharray: 3 5; animation: heroLinkFlow 6s linear infinite; }
@keyframes heroLinkFlow { to { stroke-dashoffset: -160; } }

/* ── "Screenshot" chrome — wraps a mockup panel so it reads as product UI ── */
.device-frame {
  border-radius: 18px; overflow: hidden; border: 1px solid var(--border);
  box-shadow: 0 30px 70px rgba(0,0,0,0.45); background: var(--bg2);
}
.device-frame-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: #0a1120; border-bottom: 1px solid var(--border); }
.device-frame-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.device-frame-bar span:nth-child(1) { background: #ff5f57; }
.device-frame-bar span:nth-child(2) { background: #febc2e; }
.device-frame-bar span:nth-child(3) { background: #28c840; }
.device-frame-bar .device-frame-url {
  margin-left: 10px; font-size: 11px; color: var(--text-dim); background: rgba(255,255,255,0.05);
  border-radius: 6px; padding: 3px 10px; flex: 1; max-width: 220px;
}
.device-frame .usage-panel { border: none; border-radius: 0; box-shadow: none; }

/* ── Decorative paw-print texture divider ── */
.paw-divider { height: 64px; position: relative; overflow: hidden; opacity: 0.5; }
.paw-divider svg { position: absolute; top: 50%; transform: translateY(-50%); }

/* ── Feature grid ── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 26px;
  transition: border-color .18s ease, transform .18s ease;
}
.feature-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.feature-icon {
  width: 42px; height: 42px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  background: rgba(20,150,255,0.12); color: var(--accent); margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--text-dim); font-size: 14px; margin: 0; line-height: 1.6; }
.feature-card .badge {
  display: inline-block; font-size: 10.5px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-2); border: 1px solid rgba(106,91,255,0.4); border-radius: 999px; padding: 3px 9px; margin-bottom: 12px;
}

/* ── Two-column showcase (AI usage panel etc.) ── */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.showcase.reverse { direction: rtl; }
.showcase.reverse > * { direction: ltr; }
.showcase-copy ul { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.showcase-copy li { display: flex; gap: 12px; color: var(--text-dim); font-size: 15px; }
.showcase-copy li svg { flex: 0 0 auto; width: 20px; height: 20px; color: var(--good); margin-top: 1px; }
.showcase-copy li b { color: var(--text); font-weight: 700; }

/* ── Usage chart mockup ── */
.usage-panel {
  background: linear-gradient(180deg, var(--panel), var(--bg2)); border: 1px solid var(--border);
  border-radius: 18px; padding: 26px; box-shadow: 0 30px 70px rgba(0,0,0,0.4);
}
.usage-panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.usage-panel-head h4 { margin: 0; font-size: 14px; color: var(--text-dim); font-weight: 700; }
.usage-panel-head .pill { font-size: 11px; color: var(--good); border: 1px solid rgba(74,222,128,0.4); border-radius: 999px; padding: 3px 10px; background: rgba(74,222,128,0.08); }
.usage-row { display: flex; align-items: center; gap: 12px; margin-bottom: 13px; font-size: 12.5px; }
.usage-row .name { width: 96px; flex: 0 0 auto; color: var(--text-dim); }
.usage-bar-track { flex: 1; height: 9px; border-radius: 6px; background: rgba(255,255,255,0.06); overflow: hidden; }
.usage-bar-fill { height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.usage-row .val { width: 58px; text-align: right; color: var(--text); font-weight: 700; flex: 0 0 auto; }
.usage-panel-foot { display: flex; justify-content: space-between; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-dim); }
.usage-panel-foot b { color: var(--text); font-size: 15px; }

/* ── Pricing ── */
.billing-toggle {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel); margin: 0 auto 44px;
}
.billing-toggle button {
  border: none; background: transparent; color: var(--text-dim); font-size: 13.5px; font-weight: 700;
  padding: 9px 18px; border-radius: 999px; cursor: pointer; transition: all .15s ease;
}
.billing-toggle button.is-active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.billing-toggle .save-badge { font-size: 10px; color: var(--good); margin-left: 6px; }

.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 26px 22px;
  display: flex; flex-direction: column; position: relative;
}
.plan-card.is-popular { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 20px 50px rgba(20,150,255,0.18); }
.plan-popular-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-size: 10.5px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 14px; border-radius: 999px; white-space: nowrap;
}
.plan-name { font-size: 15px; font-weight: 800; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.plan-price { font-size: 34px; font-weight: 800; margin-bottom: 2px; }
.plan-price small { font-size: 13px; font-weight: 600; color: var(--text-dim); }
.plan-price-note { font-size: 12px; color: var(--text-dim); margin-bottom: 20px; min-height: 16px; }
.plan-features { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.plan-features li { display: flex; gap: 9px; font-size: 13.5px; color: var(--text-dim); }
.plan-features li svg { flex: 0 0 auto; width: 16px; height: 16px; color: var(--good); margin-top: 2px; }
.plan-features li b { color: var(--text); font-weight: 600; }

/* ── Testimonial-style strip / CTA band ── */
.cta-band {
  border-radius: 22px; padding: 64px 40px; text-align: center;
  background: radial-gradient(circle at 30% 20%, rgba(20,150,255,0.22), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(106,91,255,0.22), transparent 60%),
              var(--panel);
  border: 1px solid var(--border);
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { color: var(--text-dim); max-width: 520px; margin: 0 auto 30px; }

/* ── Footer ── */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; margin-bottom: 40px; }
.footer-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 14px; }
.footer-col a { display: block; color: var(--text-dim); font-size: 14px; margin-bottom: 10px; transition: color .15s; }
.footer-col a:hover { color: var(--text); }
.footer-brand p { color: var(--text-dim); font-size: 13.5px; max-width: 280px; margin-top: 12px; }
.footer-bottom { display: flex; justify-content: space-between; color: var(--text-dim); font-size: 12.5px; border-top: 1px solid var(--border); padding-top: 24px; flex-wrap: wrap; gap: 10px; }

/* ── Forms (signup) ── */
.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card { width: 100%; max-width: 440px; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 36px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 12px; font-weight: 700; color: var(--text-dim); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 6px; }
.form-field input, .form-field select {
  width: 100%; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 14px; padding: 11px 13px; outline: none; font-family: inherit;
  transition: border-color .15s;
}
.form-field input:focus, .form-field select:focus { border-color: var(--accent); }
.form-error { background: rgba(255,92,92,0.1); border: 1px solid rgba(255,92,92,0.35); color: #ff9b9b; padding: 10px 13px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; display: none; }
.form-note { color: var(--text-dim); font-size: 12.5px; text-align: center; margin-top: 18px; }
#sqCardBox { background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 12px; min-height: 48px; margin-bottom: 6px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase, .showcase.reverse { grid-template-columns: 1fr; direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding-top: 88px; }
}