/* StudyScript website. Direction A: product-led, dark hero, the app's own colors. */
:root {
  --navy: #161A30; --navy-2: #1D1F3A; --violet: #5B4CF0; --violet-2: #7E72FF; --lilac: #CECBF6;
  --volt: #C6F432; --volt-ink: #173404; --orange: #E8722A;
  --bg: #FFFFFF; --bg-2: #F6F5FB; --card: #FFFFFF; --text: #161A30; --muted: #5E6076; --line: #E6E4F0;
  --radius: 18px; --max: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1122; --bg-2: #141731; --card: #181B30; --text: #ECEBF5; --muted: #A3A4BC; --line: #2A2D45; --violet: #7E72FF;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--violet); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(22,26,48,.92); backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid rgba(255,255,255,.06); }
.site-header .wrap { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 18px; }
.logo img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 6px; justify-content: center; }
.nav a { white-space: nowrap; color: #E4E2FA; text-decoration: none; font-size: 17px; font-weight: 700; padding: 8px 14px; border-radius: 10px; }
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav a[aria-current="page"] { color: #fff; box-shadow: inset 0 -3px 0 var(--volt); border-radius: 10px 10px 2px 2px; }
.cta { justify-self: end; background: var(--volt); color: var(--volt-ink); text-decoration: none; font-weight: 800; font-size: 15px;
  padding: 10px 18px; border-radius: 12px; white-space: nowrap; }
@media (max-width: 760px) {
  .site-header .wrap { grid-template-columns: 1fr auto; height: auto; padding-top: 10px; padding-bottom: 8px; row-gap: 6px; }
  .nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; overflow-x: auto; gap: 0; }
  .nav a { font-size: 15px; padding: 8px 6px; white-space: nowrap; }
}

/* Hero */
.hero { background: radial-gradient(1200px 500px at 80% -10%, #3A2F9E 0%, transparent 60%), var(--navy); color: #fff; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; padding-top: 64px; padding-bottom: 72px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .4px; color: var(--volt);
  background: rgba(198,244,50,.1); border: 1px solid rgba(198,244,50,.25); padding: 5px 10px; border-radius: 999px; }
.hero h1 { font-size: clamp(38px, 5.4vw, 62px); line-height: 1.04; letter-spacing: -1.2px; margin: 18px 0 16px; font-weight: 900; }
.hero h1 .hl { color: var(--volt); }
.hero p.lede { font-size: 19px; color: #D9D7F2; max-width: 520px; margin: 0; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 28px; }
.store { display: inline-flex; align-items: center; gap: 10px; background: #fff; color: var(--navy); border-radius: 14px; padding: 10px 16px; text-decoration: none; }
.store.parent { background: var(--volt); color: var(--volt-ink); }
.store.parent small { color: #3B5A0A; }
.store:hover { transform: translateY(-1px); }
.store small { display: block; font-size: 11px; color: var(--muted); line-height: 1.1; }
.store b { display: block; font-size: 16px; line-height: 1.2; }
.pill { display: inline-flex; align-items: center; min-height: 52px; padding: 0 18px; border-radius: 14px; color: #fff; font-weight: 800;
  text-decoration: none; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); }
.pill:hover { background: rgba(255,255,255,.2); }
.ghost { color: #fff; text-decoration: none; font-weight: 700; padding: 12px 6px; }
.ghost:hover { color: var(--volt); }
.phones { position: relative; height: 560px; }
.phones > div { position: absolute; }
.phone { width: 260px; border-radius: 42px; padding: 9px; background: #0B0D1C;
  box-shadow: 0 30px 60px rgba(0,0,0,.45), inset 0 0 0 2px #2E2B5E; }
.phone img { border-radius: 34px; width: 100%; }
.phones .one { right: 170px; top: 0; z-index: 2; }
.phones .two { right: 0; top: 70px; transform: rotate(5deg); }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 40px; padding-bottom: 40px; }
  .phones { height: 470px; }
  .phones .phone { width: 200px; }
  .phones .one { left: 50%; right: auto; transform: translateX(-85%); }
  .phones .two { left: 50%; right: auto; transform: translateX(-15%) rotate(5deg); top: 50px; }
}

/* Sections */
section.block { padding: 84px 0; }
section.alt { background: var(--bg-2); }
.kicker { color: var(--violet); font-weight: 800; font-size: 14px; letter-spacing: .4px; text-transform: uppercase; margin: 0 0 8px; }
h2 { font-size: clamp(28px, 3.6vw, 42px); line-height: 1.12; letter-spacing: -.6px; margin: 0 0 14px; font-weight: 900; }
h3 { font-size: 20px; margin: 0 0 6px; }
.lead { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0; }
.center { text-align: center; } .center .lead { margin: 0 auto; }
.muted { color: var(--muted); }
.small { font-size: 14px; color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step .n { width: 34px; height: 34px; border-radius: 10px; background: var(--violet); color: #fff; display: grid; place-items: center; font-weight: 900; margin-bottom: 14px; }
.step p { margin: 0; color: var(--muted); font-size: 16px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* Feature rows */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 56px 0; }
.feature + .feature { border-top: 1px solid var(--line); }
.feature.flip .shot { order: -1; }
.feature ul { padding-left: 0; list-style: none; margin: 18px 0 0; }
.feature li { padding: 6px 0 6px 30px; position: relative; }
.feature li::before { content: "✓"; position: absolute; left: 4px; color: var(--violet); font-weight: 900; }
.shot { display: flex; justify-content: center; }
.shot .phone { width: 290px; }
@media (max-width: 860px) { .feature { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; } .feature.flip .shot { order: 0; } .shot .phone { width: 250px; } }

/* Cards, tables */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { margin: 6px 0 0; color: var(--muted); font-size: 16px; }
.ico { width: 42px; height: 42px; border-radius: 12px; background: rgba(91,76,240,.12); display: grid; place-items: center; font-size: 20px; margin-bottom: 12px; }
.compare { width: 100%; border-collapse: collapse; margin-top: 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare th, .compare td { padding: 16px 20px; text-align: left; border-top: 1px solid var(--line); font-size: 16px; }
.compare tr:first-child th { border-top: 0; font-size: 13px; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); }
.compare th:last-child { color: var(--violet); }
.compare td:first-child { color: var(--muted); width: 46%; }
.compare td:last-child { font-weight: 700; }

/* Price */
.price { max-width: 460px; margin: 32px auto 0; text-align: center; border: 2px solid var(--violet); }
.price .amount { font-size: 56px; font-weight: 900; letter-spacing: -1px; line-height: 1; }
.price .per { color: var(--muted); }
.price ul { text-align: left; list-style: none; padding: 0; margin: 20px 0 0; }
.price li { padding: 7px 0 7px 30px; position: relative; border-top: 1px solid var(--line); }
.price li::before { content: "✓"; position: absolute; left: 6px; color: var(--violet); font-weight: 900; }
.btn { display: inline-block; background: var(--violet); color: #fff; text-decoration: none; font-weight: 800; padding: 14px 22px; border-radius: 14px; }
.btn.volt { background: var(--volt); color: var(--volt-ink); }
.btn.soon { opacity: .5; pointer-events: none; }

/* Dark band */
.band { background: var(--navy); color: #fff; border-radius: 28px; padding: 44px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.band h2 { color: #fff; }
.band p { color: #D9D7F2; margin: 0; }
@media (max-width: 760px) { .band { grid-template-columns: 1fr; padding: 28px; } }

/* FAQ */
.faq { max-width: 760px; margin: 28px auto 0; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin: 10px 0; }
summary { font-weight: 800; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--violet); font-weight: 900; }
details[open] summary::after { content: "–"; }
details p { margin: 10px 0 0; color: var(--muted); }

/* Page header (inner pages) */
.page-head { background: var(--navy); color: #fff; padding: 56px 0 48px; }
.page-head h1 { font-size: clamp(34px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -1px; margin: 12px 0 10px; font-weight: 900; }
.page-head p { color: #D9D7F2; font-size: 19px; max-width: 640px; margin: 0; }
.prose { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
.prose h2 { font-size: 26px; margin: 40px 0 10px; }
.prose h3 { margin: 24px 0 6px; }
.prose table { width: 100%; border-collapse: collapse; }
.prose th { text-align: left; font-size: 12px; letter-spacing: .6px; text-transform: uppercase; color: var(--muted); padding: 8px 4px; }
.prose td { padding: 10px 4px; border-top: 1px solid var(--line); vertical-align: top; }
.note { background: rgba(91,76,240,.08); border: 1px solid rgba(91,76,240,.2); border-radius: 16px; padding: 16px 20px; }
.note ul { margin: 6px 0 0; padding-left: 20px; }

/* Footer */
.site-footer { background: var(--navy); color: var(--lilac); padding: 56px 0 40px; margin-top: 0; }
.site-footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; font-size: 14px; margin: 0 0 12px; letter-spacing: .4px; text-transform: uppercase; }
.site-footer a { color: var(--lilac); text-decoration: none; display: block; padding: 4px 0; font-size: 15px; }
.site-footer a:hover { color: #fff; }
.site-footer .fine { border-top: 1px solid rgba(255,255,255,.08); margin-top: 36px; padding-top: 20px; font-size: 13px; color: #8E8CB3; }
@media (max-width: 700px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } .site-footer .cols > :first-child { grid-column: 1 / -1; } }
@media (max-width: 380px) { .nav a { font-size: 13.5px; padding: 8px 4px; } }
@media (max-width: 900px) { .grid3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid3 { grid-template-columns: 1fr; } }