:root {
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 24px 56px rgba(0, 0, 0, 0.14);
  --blur: 24px;
  --speed-fast: 150ms;
  --speed-mid: 240ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --surface: rgba(255, 255, 255, 0.75);
  --surface-strong: rgba(255, 255, 255, 0.95);
  --border: rgba(15, 23, 42, 0.08);
  --text: #0f172a;
  --muted: #64748b;
  --accent: #00f0ff;
  --accent-strong: #0080ff;
  --accent-soft: rgba(0, 240, 255, 0.15);
  --success: #10b981;
}

:root[data-theme="dark"] {
  --bg: #050a0f;
  --bg-soft: #0b141e;
  --surface: rgba(12, 24, 38, 0.7);
  --surface-strong: rgba(16, 32, 50, 0.95);
  --border: rgba(0, 240, 255, 0.12);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #00f0ff;
  --accent-strong: #00c0ff;
  --accent-soft: rgba(0, 240, 255, 0.15);
  --success: #ffb03a;
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.4);
  --shadow-strong: 0 24px 56px rgba(0, 0, 0, 0.6);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 620px at 84% -8%, color-mix(in oklab, var(--accent), transparent 85%), transparent 64%),
    radial-gradient(860px 520px at -6% 14%, color-mix(in oklab, var(--accent-strong), transparent 88%), transparent 68%),
    linear-gradient(165deg, var(--bg), var(--bg-soft) 58%, color-mix(in oklab, var(--bg), #050a0f 16%) 100%);
  line-height: 1.45;
  letter-spacing: 0.002em;
  position: relative;
  overflow-x: hidden;
  transition: background var(--speed-mid) var(--ease), color var(--speed-fast) var(--ease);
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(136, 164, 192, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(136, 164, 192, 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 35%, transparent 80%);
  pointer-events: none;
  z-index: -3;
}

.bg-orb {
  position: fixed;
  width: 430px;
  height: 430px;
  border-radius: 50%;
  filter: blur(24px);
  opacity: 0.28;
  pointer-events: none;
  z-index: -2;
}

.bg-orb-a {
  top: -140px;
  right: -120px;
  background: radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.6) 0%, rgba(0, 192, 255, 0.4) 45%, transparent 72%);
  animation: floatOrb 8s ease-in-out infinite alternate;
}

.bg-orb-b {
  bottom: -220px;
  left: -150px;
  background: radial-gradient(circle at 60% 40%, rgba(255, 176, 58, 0.5) 0%, rgba(255, 128, 0, 0.3) 45%, transparent 72%);
  animation: floatOrb 10s ease-in-out infinite alternate-reverse;
}

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-40px) scale(1.05); }
}

.shell {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
}

.topbar {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 15px 17px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow-soft);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-actions .nav {
  order: 1;
}

.topbar-actions #landingThemeToggle {
  order: 2;
}

.topbar-actions .btn-primary {
  order: 3;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  transform: rotate(45deg);
  background: linear-gradient(140deg, color-mix(in oklab, var(--accent), white 20%) 10%, var(--accent-strong) 95%);
  box-shadow: 0 0 24px color-mix(in oklab, var(--accent), transparent 40%);
}

.brand-text {
  letter-spacing: 0.02em;
}

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

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  padding: 6px 8px;
  transition: background var(--speed-fast) var(--ease), color var(--speed-fast) var(--ease);
}

.nav a:hover {
  color: var(--text);
  background: color-mix(in oklab, var(--surface-strong), var(--accent) 10%);
}

.hero {
  padding: 84px 0 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: color-mix(in oklab, var(--accent), var(--text) 28%);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Outfit", sans-serif;
  line-height: 1.14;
  margin: 0;
}

h1 {
  max-width: 15ch;
  font-size: clamp(2rem, 4.8vw, 3.9rem);
}

h2 {
  font-size: clamp(1.55rem, 2.5vw, 2.06rem);
}

h3 {
  font-size: 1.3rem;
}

.lead {
  max-width: 66ch;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.16rem);
  margin: 20px 0 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  transition:
    transform var(--speed-fast) var(--ease),
    box-shadow var(--speed-fast) var(--ease),
    border-color var(--speed-fast) var(--ease),
    background var(--speed-fast) var(--ease),
    color var(--speed-fast) var(--ease);
  cursor: pointer;
  font-family: "Inter", sans-serif;
  letter-spacing: 0.01em;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(8, 20, 37, 0.2);
}

.btn:active {
  transform: translateY(0) scale(0.985);
}

.btn:focus-visible,
.nav a:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 68%);
}

.btn-sm {
  height: 38px;
  padding: 0 14px;
  font-size: 0.85rem;
}

.btn-lg {
  height: 50px;
  padding: 0 22px;
  font-size: 0.95rem;
}

.btn-primary {
  color: #03233a;
  background: linear-gradient(150deg, color-mix(in oklab, var(--accent), white 24%) 0%, var(--accent-strong) 100%);
  border-color: color-mix(in oklab, var(--accent), var(--border) 44%);
  box-shadow: 0 14px 24px color-mix(in oklab, var(--accent), transparent 82%);
}

.btn-ghost {
  color: var(--text);
  background: color-mix(in oklab, var(--surface-strong), #00190f 22%);
}

.hero-points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-points li {
  border: 1px solid var(--border);
  color: color-mix(in oklab, var(--text), var(--muted) 42%);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 600;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
}

.cards {
  display: grid;
  gap: 16px;
}

.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.one-up {
  grid-template-columns: minmax(0, 1fr);
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--speed-fast) var(--ease),
    box-shadow var(--speed-fast) var(--ease),
    border-color var(--speed-fast) var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
  border-color: color-mix(in oklab, var(--accent), var(--border) 56%);
}

.card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.pricing {
  padding-top: 56px;
}

.pricing-head {
  margin-bottom: 18px;
}

.price-card {
  position: relative;
  min-height: 280px;
}

.price {
  font-family: "Outfit", sans-serif;
  font-size: 2.16rem;
  margin: 14px 0 8px;
  color: var(--text);
}

.price span {
  font-size: 1rem;
  color: var(--muted);
}

.price-card ul {
  margin: 10px 0 18px;
  padding-left: 18px;
  color: var(--muted);
}

.price-card li {
  margin: 8px 0;
}

.featured {
  border-color: color-mix(in oklab, var(--accent), var(--border) 44%);
  background:
    linear-gradient(color-mix(in oklab, var(--accent), transparent 88%), color-mix(in oklab, var(--accent), transparent 95%)),
    var(--surface-strong);
}

.badge {
  position: absolute;
  top: 16px;
  right: 16px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--accent), var(--border) 38%);
  color: color-mix(in oklab, var(--accent-strong), var(--text) 20%);
  background: var(--accent-soft);
  font-weight: 700;
  font-size: 0.74rem;
  padding: 6px 10px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.support {
  margin-top: 54px;
}

.support a,
.footer a {
  color: var(--accent-strong);
}

.legal {
  padding: 58px 0;
}

.legal h2 {
  margin-bottom: 16px;
}

.legal-card + .legal-card {
  margin-top: 14px;
}

.legal-card p + p {
  margin-top: 10px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 40px;
  color: var(--muted);
}

.footer p {
  margin: 8px 0;
}

.muted {
  color: var(--muted);
}

@media (max-width: 1020px) {
  .four-up {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    padding-top: 56px;
  }

  h1 {
    max-width: 18ch;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(1120px, calc(100% - 26px));
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-actions {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    justify-content: stretch;
    gap: 8px;
  }

  .nav {
    order: 1;
    width: 100%;
    grid-column: 1 / -1;
  }

  .nav a {
    font-size: 0.92rem;
  }

  .topbar-actions .btn-primary {
    order: 2;
    justify-self: start;
  }

  .topbar-actions #landingThemeToggle {
    order: 3;
    justify-self: end;
  }

  .four-up {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}