/* ---------------------------------------------------------------
   Placeholder landing page — single stylesheet, no external fonts.
   Edit the two accent colours below to re-skin the whole page.
   --------------------------------------------------------------- */

:root {
  --bg: #0d1411;
  --bg-soft: #121b17;
  --ink: #eef5f1;
  --ink-dim: #9fb3aa;
  --accent: #14b8a6;
  --accent-warm: #e0a458;
  --line: rgba(238, 245, 241, 0.12);
  --radius: 999px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- background ---------- */

.mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}

.orb-a {
  width: 58vmax;
  height: 58vmax;
  top: -22vmax;
  left: -14vmax;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 68%);
  animation: drift-a 26s ease-in-out infinite alternate;
}

.orb-b {
  width: 44vmax;
  height: 44vmax;
  right: -16vmax;
  bottom: -18vmax;
  background: radial-gradient(circle at 60% 40%, var(--accent-warm), transparent 70%);
  opacity: 0.28;
  animation: drift-b 32s ease-in-out infinite alternate;
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: radial-gradient(rgba(255, 255, 255, 0.9) 0.5px, transparent 0.5px);
  background-size: 3px 3px;
}

@keyframes drift-a {
  to {
    transform: translate3d(6vmax, 8vmax, 0) scale(1.12);
  }
}

@keyframes drift-b {
  to {
    transform: translate3d(-8vmax, -6vmax, 0) scale(1.08);
  }
}

/* ---------- content ---------- */

.stage {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 7rem) clamp(1.25rem, 5vw, 4rem) 2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  align-self: flex-start;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-dim);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.6);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(20, 184, 166, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(20, 184, 166, 0);
  }
}

h1 {
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
  font-size: clamp(2.5rem, 7.2vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 650;
  text-wrap: balance;
}

h1 em {
  display: inline-block;
  font-style: normal;
  background: linear-gradient(96deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 34rem;
  margin: 0 0 clamp(2rem, 4vw, 2.75rem);
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.7;
  text-wrap: pretty;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 550;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease,
    border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary {
  background: var(--accent);
  color: #04120f;
  box-shadow: 0 8px 28px -12px rgba(20, 184, 166, 0.9);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -12px rgba(20, 184, 166, 0.95);
}

.btn-primary svg {
  transition: transform 0.18s ease;
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--ink-dim);
  background: transparent;
}

.btn-ghost:hover {
  border-color: rgba(238, 245, 241, 0.3);
  color: var(--ink);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.foot {
  position: relative;
  z-index: 1;
  padding: 1.75rem clamp(1.25rem, 5vw, 4rem) 2.25rem;
  max-width: 60rem;
  margin: 0 auto;
  width: 100%;
  color: rgba(159, 179, 170, 0.65);
  font-size: 0.8125rem;
  border-top: 1px solid var(--line);
}

/* ---------- accessibility ---------- */

@media (prefers-reduced-motion: reduce) {
  .orb-a,
  .orb-b,
  .dot {
    animation: none;
  }
  .btn {
    transition: none;
  }
}

/* ---------- mobile ---------- */

@media (max-width: 480px) {
  .actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    justify-content: center;
  }
}