/* QuestDeck marketing site — shared styles */
:root {
  --bg: #000000;
  --bg-raised: #111114;
  --bg-card: #1a1a1f;
  --text: #f2f2f7;
  --text-dim: #a1a1aa;
  --accent: #0a84ff;
  --accent-hover: #3396ff;
  --who: #2b3a5c;      --who-border: #5b74a8;
  --motive: #4a2426;   --motive-border: #b0605f;
  --focus: #1d3d3a;    --focus-border: #4d9c94;
  --tone: #3a2350;     --tone-border: #9a63c9;
  --radius: 16px;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0,0,0,.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid #1f1f24;
}
.site-header .container {
  display: flex; align-items: center; gap: 12px;
  height: 60px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 1.05rem; }
.brand img { width: 32px; height: 32px; border-radius: 7px; }
.site-nav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.site-nav a { color: var(--text-dim); font-size: .92rem; font-weight: 500; }
.site-nav a:hover { color: var(--text); }
.site-nav .nav-cta {
  color: #fff; background: var(--accent);
  padding: 7px 16px; border-radius: 999px; font-weight: 600;
}
.site-nav .nav-cta:hover { background: var(--accent-hover); color: #fff; }
@media (max-width: 640px) { .site-nav a:not(.nav-cta) { display: none; } }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 48px; align-items: center;
}
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } .hero-phone { order: -1; max-width: 300px; margin: 0 auto; } }
.hero-icon { width: 88px; height: 88px; border-radius: 20px; box-shadow: 0 8px 40px rgba(10,132,255,.25); margin-bottom: 24px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.12; font-weight: 800; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .tagline { margin-top: 18px; font-size: 1.18rem; color: var(--text-dim); max-width: 34em; }
.hero-ctas { margin-top: 30px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero-note { margin-top: 14px; font-size: .88rem; color: var(--text-dim); }
.hero-phone img { border-radius: 32px; border: 1px solid #26262c; box-shadow: 0 24px 80px rgba(0,0,0,.7), 0 0 60px rgba(10,132,255,.12); }

/* App Store badge */
.appstore-badge { display: inline-block; transition: transform .15s ease; }
.appstore-badge:hover { transform: scale(1.04); }
.appstore-badge svg { display: block; height: 54px; width: auto; }

.btn-secondary {
  display: inline-block; padding: 14px 26px; border-radius: 999px;
  border: 1px solid #333; color: var(--text); font-weight: 600; font-size: .95rem;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.alt { background: var(--bg-raised); }
.section-head { text-align: center; max-width: 44em; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 800; letter-spacing: -.015em; }
.section-head p { margin-top: 12px; color: var(--text-dim); font-size: 1.05rem; }
.kicker { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }

/* ---------- Card slots strip (hero visual language) ---------- */
.slot-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 40px; }
@media (max-width: 720px) { .slot-cards { grid-template-columns: repeat(2, 1fr); } }
.slot-card { border-radius: var(--radius); padding: 16px 18px; border: 1px solid; }
.slot-card .slot-label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
.slot-card .slot-value { font-size: 1.02rem; font-weight: 600; margin-top: 4px; }
.slot-card.who { background: var(--who); border-color: var(--who-border); }
.slot-card.motive { background: var(--motive); border-color: var(--motive-border); }
.slot-card.focus { background: var(--focus); border-color: var(--focus-border); }
.slot-card.tone { background: var(--tone); border-color: var(--tone-border); }

/* ---------- Screenshots ---------- */
.screens {
  display: flex; gap: 20px; overflow-x: auto; padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.screens figure { flex: 0 0 240px; scroll-snap-align: start; }
.screens img { border-radius: 24px; border: 1px solid #26262c; box-shadow: 0 12px 40px rgba(0,0,0,.55); }
.screens figcaption { margin-top: 12px; font-size: .88rem; color: var(--text-dim); text-align: center; padding: 0 6px; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--bg-card); border: 1px solid #26262c; border-radius: var(--radius); padding: 28px; }
.step .num {
  width: 40px; height: 40px; border-radius: 999px; background: var(--accent);
  color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; margin-bottom: 16px;
}
.step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: .95rem; }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 820px) { .features { grid-template-columns: 1fr; } }
.feature { background: var(--bg-card); border: 1px solid #26262c; border-radius: var(--radius); padding: 26px; }
.feature h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature p { color: var(--text-dim); font-size: .93rem; }
.feature .emoji { font-size: 1.6rem; display: block; margin-bottom: 12px; }

/* ---------- Guides ---------- */
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .guide-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .guide-grid { grid-template-columns: 1fr; } }
.guide-card {
  display: block; background: var(--bg-card); border: 1px solid #26262c;
  border-radius: var(--radius); padding: 24px; color: var(--text);
  transition: border-color .15s ease, transform .15s ease;
}
.guide-card:hover { border-color: var(--accent); transform: translateY(-3px); color: var(--text); }
.guide-card .tag { font-size: .72rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--accent); }
.guide-card h3 { font-size: 1.06rem; margin: 8px 0 8px; line-height: 1.35; }
.guide-card p { color: var(--text-dim); font-size: .9rem; }
.guide-card .more { display: inline-block; margin-top: 12px; font-size: .88rem; font-weight: 600; color: var(--accent); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--bg-card); border: 1px solid #26262c; border-radius: 14px;
  margin-bottom: 12px; overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 1rem;
  list-style: none; position: relative; padding-right: 48px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 1.3rem; font-weight: 400;
}
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 22px 18px; color: var(--text-dim); font-size: .95rem; }
.faq .answer a { font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
  background: linear-gradient(160deg, #0a1a30 0%, #000 70%);
  border-top: 1px solid #14243d; border-bottom: 1px solid #14243d;
}
.cta-band h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -.015em; }
.cta-band p { color: var(--text-dim); margin: 14px auto 30px; max-width: 36em; }
.cta-band .appstore-badge { margin: 0 auto; }

/* ---------- Footer ---------- */
.site-footer { padding: 48px 0 64px; border-top: 1px solid #1f1f24; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-dim); margin-bottom: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: var(--text-dim); font-size: .92rem; }
.site-footer a:hover { color: var(--text); }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 12px; }
.footer-brand img { width: 28px; height: 28px; border-radius: 6px; }
.footer-note { color: var(--text-dim); font-size: .85rem; max-width: 30em; }
.copyright { margin-top: 40px; color: #55555e; font-size: .82rem; text-align: center; }

/* ---------- Guide article pages ---------- */
.article-hero { padding: 56px 0 8px; }
.breadcrumbs { font-size: .85rem; color: var(--text-dim); margin-bottom: 22px; }
.breadcrumbs a { color: var(--text-dim); }
.breadcrumbs a:hover { color: var(--accent); }
article.guide { max-width: 760px; margin: 0 auto; padding: 0 24px 40px; }
article.guide h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; margin-bottom: 18px; }
article.guide .lede { font-size: 1.15rem; color: var(--text-dim); margin-bottom: 8px; }
article.guide h2 { font-size: 1.45rem; font-weight: 700; margin: 44px 0 14px; letter-spacing: -.01em; }
article.guide h3 { font-size: 1.12rem; font-weight: 700; margin: 30px 0 10px; }
article.guide p { margin-bottom: 16px; color: #d4d4d8; }
article.guide ul, article.guide ol { margin: 0 0 16px 1.4em; color: #d4d4d8; }
article.guide li { margin-bottom: 8px; }
article.guide strong { color: var(--text); }
article.guide .inline-cta {
  background: var(--bg-card); border: 1px solid #2b3f60; border-radius: var(--radius);
  padding: 24px 26px; margin: 32px 0;
}
article.guide .inline-cta h3 { margin: 0 0 8px; }
article.guide .inline-cta p { color: var(--text-dim); font-size: .95rem; margin-bottom: 16px; }
article.guide .example-hand { margin: 24px 0; display: grid; gap: 10px; }
article.guide .example-hand .slot-card p { margin: 0; font-size: .9rem; color: var(--text-dim); }
article.guide figure { margin: 28px 0; }
article.guide figure img { border-radius: 20px; border: 1px solid #26262c; max-width: 320px; margin: 0 auto; }
article.guide figcaption { text-align: center; font-size: .85rem; color: var(--text-dim); margin-top: 10px; }
.related { max-width: 760px; margin: 24px auto 0; padding: 0 24px 64px; }
.related h2 { font-size: 1.2rem; margin-bottom: 18px; }
.related ul { list-style: none; }
.related li { margin-bottom: 10px; }