:root {
  --bg-top: #b9b5f0;
  --bg-mid: #cecbf6;
  --bg-bottom: #e9e8fb;
  --ink: #2d2a4a;
  --ink-soft: #5b5880;
  --card: #ffffff;
  --accent: #6c63d2;
  --accent-dark: #554cc0;
  --radius: 20px;
  --shadow: 0 10px 30px rgba(70, 60, 160, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 40%, var(--bg-bottom) 100%);
  line-height: 1.6;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

/* Nav */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(233, 232, 251, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(108, 99, 210, 0.12);
}
.nav { display: flex; align-items: center; gap: 14px; padding: 12px 0; }
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.nav .brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav nav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.nav nav a { color: var(--ink-soft); text-decoration: none; font-weight: 700; font-size: 0.95rem; }
.nav nav a:hover { color: var(--accent-dark); }
.nav .cta-mini {
  background: var(--ink); color: #fff !important; padding: 8px 16px; border-radius: 999px;
}
@media (max-width: 640px) { .nav nav a:not(.cta-mini) { display: none; } }

/* Hero */
.hero { text-align: center; padding: 56px 0 28px; }
.hero h1 {
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 900; line-height: 1.15; letter-spacing: -0.5px;
}
.hero p.sub {
  max-width: 640px; margin: 18px auto 0; font-size: 1.15rem; color: var(--ink-soft); font-weight: 600;
}
.hero .store-row { margin-top: 28px; display: flex; justify-content: center; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero .rating { font-weight: 800; color: var(--ink-soft); font-size: 0.95rem; }
.hero .rating .stars { color: #f5a623; letter-spacing: 2px; }
.hero-img { margin: 40px auto 0; max-width: 980px; }
.hero-img img { width: 100%; height: auto; border-radius: 24px; box-shadow: var(--shadow); }

.appstore-badge { display: inline-block; transition: transform 0.15s ease; }
.appstore-badge:hover { transform: scale(1.04); }
.appstore-badge svg { display: block; height: 56px; width: auto; }

/* Sections */
section { padding: 64px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 900; }
.section-head p { color: var(--ink-soft); font-weight: 600; margin-top: 10px; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step-card {
  background: var(--card); border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow);
}
.step-card .emoji { font-size: 2.2rem; }
.step-card h3 { margin: 12px 0 8px; font-weight: 800; }
.step-card p { color: var(--ink-soft); font-size: 0.98rem; }

/* Evolution demo */
.evolution { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; }
.evolution .island-frame { width: min(420px, 90vw); position: relative; }
.evolution .island-frame img {
  width: 100%; height: auto; display: none; border-radius: 24px;
}
.evolution .island-frame img.active { display: block; animation: pop 0.45s ease; }
@keyframes pop { 0% { transform: scale(0.96); opacity: 0.4; } 100% { transform: scale(1); opacity: 1; } }
.evolution .meta { max-width: 380px; }
.evolution .meta h3 { font-size: 1.4rem; font-weight: 900; }
.evolution .meta p { color: var(--ink-soft); margin-top: 10px; }
.progress-track {
  margin-top: 20px; background: rgba(108, 99, 210, 0.15); height: 14px; border-radius: 999px; overflow: hidden;
}
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #9a93e8); border-radius: 999px; transition: width 0.6s ease; }
.stage-label { margin-top: 10px; font-weight: 800; color: var(--accent-dark); }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.feature .emoji { font-size: 1.7rem; }
.feature h3 { margin: 10px 0 6px; font-weight: 800; font-size: 1.05rem; }
.feature p { color: var(--ink-soft); font-size: 0.95rem; }

/* Themes */
.themes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 860px) { .themes { grid-template-columns: repeat(2, 1fr); } }
.theme-card { text-align: center; }
.theme-card img { width: 100%; height: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.theme-card span { display: block; margin-top: 10px; font-weight: 800; color: var(--ink-soft); }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--card); border-radius: 16px; padding: 18px 22px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.faq summary { font-weight: 800; cursor: pointer; font-size: 1.02rem; }
.faq details p { margin-top: 10px; color: var(--ink-soft); }

/* CTA band */
.cta-band { text-align: center; padding: 70px 20px; }
.cta-band h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; }
.cta-band p { color: var(--ink-soft); font-weight: 600; margin: 12px 0 26px; }

/* Footer */
footer.site {
  background: var(--ink); color: #cac8e8; padding: 40px 0; font-size: 0.92rem;
}
footer.site .cols { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
footer.site a { color: #fff; text-decoration: none; font-weight: 700; margin-right: 18px; }
footer.site a:hover { text-decoration: underline; }

/* Legal / support pages */
.doc { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
.doc h1 { font-size: 2rem; font-weight: 900; margin-bottom: 6px; }
.doc .updated { color: var(--ink-soft); font-weight: 600; margin-bottom: 28px; }
.doc h2 { font-size: 1.25rem; font-weight: 800; margin: 28px 0 10px; }
.doc p, .doc li { color: var(--ink-soft); }
.doc ul { padding-left: 22px; margin: 8px 0; }
.doc a { color: var(--accent-dark); font-weight: 700; }
.doc .card { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin: 18px 0; }

/* Guides / articles */
.doc.article { max-width: 720px; }
.doc .meta-row { color: var(--ink-soft); font-weight: 700; font-size: 0.9rem; margin-bottom: 26px; }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); font-size: 0.95rem; }
.doc th, .doc td { padding: 10px 14px; text-align: left; border-bottom: 1px solid rgba(108,99,210,0.1); }
.doc th { background: rgba(108,99,210,0.08); font-weight: 800; }
.doc .table-wrap { overflow-x: auto; }
.cta-box { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin: 30px 0; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.cta-box img { width: 64px; height: 64px; border-radius: 14px; }
.cta-box .cta-text { flex: 1; min-width: 220px; }
.cta-box .cta-text strong { display: block; font-size: 1.05rem; }
.cta-box .cta-text span { color: var(--ink-soft); font-size: 0.92rem; }
.cta-box a.btn { background: var(--ink); color: #fff; padding: 10px 20px; border-radius: 999px; font-weight: 800; text-decoration: none; white-space: nowrap; }
.guide-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .guide-cards { grid-template-columns: 1fr; } }
.guide-cards a { background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); text-decoration: none; color: var(--ink); font-weight: 800; }
.guide-cards a small { display: block; margin-top: 8px; color: var(--ink-soft); font-weight: 600; }