:root {
  --bg: #7eb8e8;
  --sky-deep: #4a9ad4;
  --sky-mid: #8ec5ef;
  --sky-horizon: #c5e4f7;
  --card: rgba(255, 255, 255, 0.92);
  --ink: #1c1a17;
  --muted: #4a5560;
  --accent: #2f6b5a;
  --accent-soft: #d4ebe3;
  --line: rgba(255, 255, 255, 0.55);
  --radius: 16px;
  --shadow: 0 12px 40px rgba(30, 60, 90, 0.12);
  --max: 880px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--sky-deep);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Fixed sky + parallax cloud layers */
.sky {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    linear-gradient(
      180deg,
      #3d8fc9 0%,
      var(--sky-mid) 38%,
      var(--sky-horizon) 72%,
      #e8f4fc 100%
    );
}
.sky-layer {
  position: absolute;
  inset: -20% 0 0 0;
  width: 100%;
  height: 140%;
  will-change: transform;
}
.cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  filter: blur(2px);
  box-shadow:
    40px 10px 0 -8px rgba(255, 255, 255, 0.72),
    -36px 14px 0 -6px rgba(255, 255, 255, 0.65),
    70px 18px 0 -14px rgba(255, 255, 255, 0.55);
}
.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  background: inherit;
  border-radius: 50%;
}
.cloud::before {
  width: 60%;
  height: 70%;
  top: -35%;
  left: 15%;
}
.cloud::after {
  width: 45%;
  height: 55%;
  top: -20%;
  right: -5%;
}

/* Layer A — far, slow */
.sky-layer--far .cloud:nth-child(1) { width: 160px; height: 50px; top: 8%; left: 5%; opacity: 0.55; }
.sky-layer--far .cloud:nth-child(2) { width: 220px; height: 60px; top: 18%; left: 55%; opacity: 0.45; }
.sky-layer--far .cloud:nth-child(3) { width: 140px; height: 44px; top: 32%; left: 28%; opacity: 0.4; }
.sky-layer--far .cloud:nth-child(4) { width: 180px; height: 52px; top: 48%; left: 70%; opacity: 0.35; }
.sky-layer--far .cloud:nth-child(5) { width: 200px; height: 56px; top: 62%; left: 12%; opacity: 0.3; }

/* Layer B — mid */
.sky-layer--mid .cloud:nth-child(1) { width: 240px; height: 70px; top: 12%; left: 35%; opacity: 0.7; filter: blur(1px); }
.sky-layer--mid .cloud:nth-child(2) { width: 190px; height: 58px; top: 28%; left: -2%; opacity: 0.65; }
.sky-layer--mid .cloud:nth-child(3) { width: 260px; height: 75px; top: 42%; left: 48%; opacity: 0.6; }
.sky-layer--mid .cloud:nth-child(4) { width: 170px; height: 50px; top: 58%; left: 78%; opacity: 0.55; }
.sky-layer--mid .cloud:nth-child(5) { width: 210px; height: 62px; top: 72%; left: 22%; opacity: 0.5; }

/* Layer C — near, faster */
.sky-layer--near .cloud:nth-child(1) { width: 280px; height: 80px; top: 6%; left: 62%; opacity: 0.85; filter: blur(0.5px); }
.sky-layer--near .cloud:nth-child(2) { width: 200px; height: 60px; top: 24%; left: 8%; opacity: 0.8; }
.sky-layer--near .cloud:nth-child(3) { width: 320px; height: 90px; top: 46%; left: 30%; opacity: 0.75; }
.sky-layer--near .cloud:nth-child(4) { width: 180px; height: 55px; top: 68%; left: -5%; opacity: 0.7; }
.sky-layer--near .cloud:nth-child(5) { width: 250px; height: 72px; top: 82%; left: 55%; opacity: 0.65; }

/* Gentle drift when not scrolling hard */
@keyframes cloud-drift {
  from { transform: translateX(0); }
  to { transform: translateX(40px); }
}
.sky-drift {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.sky-layer--far .sky-drift { animation: cloud-drift 48s ease-in-out infinite alternate; }
.sky-layer--mid .sky-drift { animation: cloud-drift 32s ease-in-out infinite alternate-reverse; }
.sky-layer--near .sky-drift { animation: cloud-drift 22s ease-in-out infinite alternate; }

@media (prefers-reduced-motion: reduce) {
  .sky-drift { animation: none !important; }
  .sky-layer { transform: none !important; }
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: #234437; }

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 20px 48px;
}

header.app {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 28px; flex-wrap: wrap;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(30, 60, 90, 0.08);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(145deg, #4d8a72, #2f5546);
  box-shadow: var(--shadow);
  position: relative;
}
.mark::after {
  content: ""; position: absolute; inset: 10px 14px 18px;
  border: 2px solid rgba(255,255,255,0.85); border-radius: 50% 50% 45% 45%;
  border-bottom-color: transparent;
}
.brand strong { font-size: 1.15rem; letter-spacing: 0.02em; }
.brand span { display: block; font-size: 0.8rem; color: var(--muted); font-weight: 400; }
nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }

.hero, .card {
  background: var(--card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.hero h1 { margin: 0 0 10px; font-size: clamp(1.6rem, 4vw, 2.1rem); line-height: 1.25; }
.hero p.lead { margin: 0 0 18px; color: var(--muted); font-size: 1.05rem; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; padding: 0; list-style: none; }
.pills li {
  background: var(--accent-soft); color: #234437; font-size: 0.85rem;
  padding: 6px 12px; border-radius: 999px;
}
.cta {
  display: inline-block; background: var(--accent); color: #fff !important;
  text-decoration: none; padding: 12px 18px; border-radius: 999px; font-weight: 600;
}
.cta:hover { background: #234437; }
.grid { display: grid; gap: 14px; margin-top: 18px; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }
.feature h2, .card h1 { margin-top: 0; font-size: 1.2rem; }
.feature p, .card p, .card li { color: var(--muted); }
.card h1 { font-size: 1.75rem; margin-bottom: 8px; }
.card h2 { font-size: 1.15rem; margin: 28px 0 8px; color: var(--ink); }
.card ul { padding-left: 1.2rem; }
.meta { font-size: 0.9rem; color: var(--muted); margin-bottom: 20px; }
footer {
  margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.45);
  color: #2a4050; font-size: 0.9rem;
  text-shadow: 0 1px 0 rgba(255,255,255,0.35);
}
footer .links { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
footer a { color: #234437; }
.notice {
  margin-top: 20px; padding: 14px 16px; border-radius: 12px;
  background: rgba(255, 248, 232, 0.92); border: 1px solid #f0e0b8;
  color: #5a4a22; font-size: 0.92rem;
  backdrop-filter: blur(8px);
}
.eyebrow { margin: 0 0 8px; font-size: 0.85rem; color: var(--accent); font-weight: 600; letter-spacing: 0.02em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cta.ghost {
  background: transparent; color: var(--accent) !important;
  border: 1px solid var(--accent);
}
.cta.ghost:hover { background: var(--accent-soft); }
.section { margin-top: 28px; }
.section-title {
  margin: 0 0 12px; font-size: 1.35rem;
  color: #16324a;
  text-shadow: 0 1px 0 rgba(255,255,255,0.4);
}
.feature ul { color: var(--muted); }