:root {
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --ink: #0a1a33;
  --ink-dim: #4a5d78;
  --ink-mute: #8294ab;
  --accent: #2389c9;
  --accent-bright: #1f78b4;
  --accent-soft: #e8f3fb;
  --line: rgba(15, 37, 64, 0.08);
  --line-strong: rgba(15, 37, 64, 0.14);
  --card: rgba(255, 255, 255, 0.7);
  --card-hover: #ffffff;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 37, 64, 0.04);
  --shadow-md: 0 10px 30px -12px rgba(15, 37, 64, 0.18);
  --shadow-lg: 0 30px 80px -20px rgba(35, 137, 201, 0.35);
}

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

html, body { height: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* ---------- Background ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(35, 137, 201, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 137, 201, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 25%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 25%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: drift 18s ease-in-out infinite alternate;
}
.bg-glow--a {
  background: #8ec9ec;
  top: -200px;
  left: -160px;
}
.bg-glow--b {
  background: #c9d8f5;
  bottom: -220px;
  right: -180px;
  animation-delay: -6s;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.08); }
}

/* ---------- Top bar ---------- */
.topbar {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  color: var(--ink);
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(35, 137, 201, 0.15), 0 0 18px rgba(35, 137, 201, 0.4);
}

.brand-tld { color: var(--ink-mute); font-weight: 500; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}

/* ---------- Landing ---------- */
.landing {
  position: relative;
  z-index: 2;
  flex: 1;
  width: 100%;
  max-width: 880px;
  padding: 48px 28px 64px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
  opacity: 0;
  animation: rise 0.7s ease-out 0.05s forwards;
}

.headline {
  font-size: clamp(2.2rem, 6.2vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--ink);
  opacity: 0;
  animation: rise 0.8s ease-out 0.15s forwards;
}

.headline-accent {
  background: linear-gradient(120deg, #2389c9 0%, #1f78b4 50%, #5b8ad6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subhead {
  max-width: 580px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink-dim);
  margin-bottom: 44px;
  opacity: 0;
  animation: rise 0.8s ease-out 0.25s forwards;
}

/* ---------- Logo ---------- */
.logo-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 8px auto 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: rise 0.9s ease-out 0.35s forwards;
}

.logo {
  position: relative;
  z-index: 2;
  width: 100%;
  height: auto;
  display: block;
}

.logo-pulse {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 78%;
  height: 78%;
  border-radius: 50%;
  border: 1.5px solid rgba(35, 137, 201, 0.5);
  animation: pulse-ring 3.2s ease-out infinite;
  pointer-events: none;
  z-index: 1;
}
.logo-pulse--delay { animation-delay: 1.6s; }

@keyframes pulse-ring {
  0%   { transform: scale(0.8); opacity: 0.7; }
  80%  { opacity: 0; }
  100% { transform: scale(1.55); opacity: 0; }
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Features ---------- */
.features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 820px;
  text-align: left;
  opacity: 0;
  animation: rise 1s ease-out 0.55s forwards;
}

.features li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.features li:hover {
  border-color: rgba(35, 137, 201, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.features strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--ink);
}
.features span {
  color: var(--ink-dim);
  font-size: 0.85rem;
  line-height: 1.5;
}

.feature-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1rem;
  border: 1px solid rgba(35, 137, 201, 0.18);
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  padding: 24px 28px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--ink-mute);
}
.footer-sep { opacity: 0.5; }

/* ---------- Animations ---------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .topbar { padding: 18px 20px; }
  .landing { padding: 28px 20px 48px; }
  .features { grid-template-columns: 1fr; }
  .logo-wrap { max-width: 360px; margin-bottom: 44px; }
  .subhead { font-size: 0.98rem; margin-bottom: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .eyebrow, .headline, .subhead, .logo-wrap, .features { opacity: 1; }
}
