:root {
  --bg: #EEF2F8;
  --surface: #FFFFFF;
  --ink: #0B2140;
  --ink-2: #4A5B75;
  --ink-3: #6B7A90;
  --accent: #0072EA;
  --accent-ink: #FFFFFF;
  --line: #D9E1EC;
  --soft: #E3EAF4;
  --radius: 22px;
  --wrap: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 3.9rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(238, 242, 248, .86); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 28px; height: 28px; flex: none; }
.nav { display: flex; gap: 4px 18px; flex-wrap: wrap; font-size: .95rem; }
.nav a { color: var(--ink-2); font-weight: 600; padding: 6px 0; }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--accent-ink); font-weight: 700; padding: 14px 22px; border-radius: 999px; font-size: 1rem; box-shadow: 0 6px 18px rgba(0, 114, 234, .25); }
.btn:hover { text-decoration: none; background: #0065d0; }
.btn-ghost { background: var(--surface); color: var(--ink); box-shadow: none; border: 1px solid var(--line); }
.btn-ghost:hover { background: #f7f9fc; }

/* Sections */
section { padding: 72px 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 640px; }
.muted { color: var(--ink-3); font-size: .92rem; }
.pill { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; background: var(--soft); color: var(--ink-2); vertical-align: middle; }
.pill-beta { background: #FFF1DD; color: #8A4B00; }
.pill-ok { background: #E1F3E8; color: #1D6B3A; }

/* Hero */
.hero { padding: 64px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero .cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 28px 0 14px; }

/* Phone frame */
.phone { width: 100%; max-width: 320px; margin: 0 auto; border-radius: 46px; padding: 9px; background: #0B2140; box-shadow: 0 30px 60px -20px rgba(11, 33, 64, .35), 0 10px 20px -10px rgba(11, 33, 64, .25); }
.phone img { border-radius: 38px; width: 100%; height: auto; aspect-ratio: 1206 / 2622; background: var(--bg); }
.phone.sm { max-width: 260px; }
figure { margin: 0; }
figcaption { text-align: center; color: var(--ink-3); font-size: .9rem; margin-top: 14px; }

/* Cards */
.card { background: var(--surface); border-radius: var(--radius); padding: 28px; box-shadow: 0 1px 2px rgba(11, 33, 64, .04); }

/* Loop strip */
.loop { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; position: relative; }
.loop li { list-style: none; background: var(--surface); border-radius: var(--radius); padding: 22px; position: relative; }
.loop li::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 800; font-size: .9rem; margin-bottom: 12px; }
.loop li:last-child::after { content: "↺ back to Plan"; position: absolute; right: 18px; top: 24px; font-size: .78rem; font-weight: 700; color: var(--accent); }
.loop { padding: 0; margin: 0; }
.loop strong { display: block; font-size: 1.15rem; margin-bottom: 4px; }
.loop span { color: var(--ink-2); font-size: .95rem; }

/* Highlights */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 48px 0; }
.feature + .feature { border-top: 1px solid var(--line); }
.feature:nth-child(even) .feature-media { order: -1; }
.feature-media.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature-media.duo .phone { max-width: 230px; }
.feature h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -0.02em; }
.feature p { color: var(--ink-2); font-size: 1.08rem; }

/* Feature lists */
.feature-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-groups .card h2 { font-size: 1.4rem; }
.check { list-style: none; padding: 0; margin: 0; }
.check li { padding: 10px 0 10px 28px; position: relative; border-top: 1px solid var(--soft); color: var(--ink-2); }
.check li:first-child { border-top: 0; }
.check li::before { content: ""; position: absolute; left: 2px; top: 17px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: inset 0 0 0 3px #CFE3FB; }
.check strong { color: var(--ink); }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 28px; }
.gallery .phone { max-width: 230px; }

/* Table */
.table-wrap { overflow-x: auto; background: var(--surface); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 560px; }
th, td { text-align: left; padding: 16px 20px; vertical-align: top; border-top: 1px solid var(--soft); }
thead th { border-top: 0; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
td:first-child { font-weight: 700; white-space: nowrap; }
td:nth-child(2) { white-space: nowrap; }
td:last-child { color: var(--ink-2); }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; border-radius: 28px; padding: 56px 40px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #C3D0E3; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-band .btn { margin: 12px 0 18px; }
.cta-band .muted { color: #8FA2BF; }

/* Studio home */
.studio-hero { padding: 96px 0 56px; }
.studio-hero h1 { max-width: 820px; }
.product-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; background: var(--surface); border-radius: 32px; padding: 48px; overflow: hidden; }
.product-card .phone { max-width: 270px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.principles h3 { font-size: 1.1rem; }
.principles p { color: var(--ink-2); margin: 0; }

/* Legal / prose */
.prose h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }
.prose strong { color: var(--ink); }

/* Footer */
.site-footer { padding: 48px 0 56px; border-top: 1px solid var(--line); margin-top: 40px; font-size: .9rem; color: var(--ink-3); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: var(--ink); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.site-footer a { color: var(--ink-2); }
.footer-notes { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.footer-notes p { margin: 4px 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .feature, .product-card { grid-template-columns: 1fr; gap: 32px; }
  .feature:nth-child(even) .feature-media { order: 0; }
  .loop { grid-template-columns: repeat(2, 1fr); }
  .feature-groups, .principles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .product-card { padding: 28px; }
  section { padding: 52px 0; }
  .cta-band { padding: 40px 22px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .site-header { position: static; }
  .site-header .wrap { padding-top: 10px; padding-bottom: 8px; gap: 6px; }
  .loop { grid-template-columns: 1fr; }
  .feature-media.duo { grid-template-columns: 1fr 1fr; gap: 10px; }
  .phone { border-radius: 36px; padding: 7px; }
  .phone img { border-radius: 30px; }
  .nav { gap: 2px 14px; font-size: .9rem; }
}