/* ═══════════════════════════════════════════
   ADHD Tab Manager — marketing site v2
   2026 clean-trend: soft depth, big radii,
   calm blue, generous whitespace, motion-humble.
   ═══════════════════════════════════════════ */
:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --ink: #16202c;
  --ink-2: #46566b;
  --muted: #8496ab;
  --line: #e6ecf3;
  --brand: #1976d2;
  --brand-deep: #0d47a1;
  --brand-soft: #e3f2fd;
  --green: #2e9e5b;
  --green-soft: #e5f6ec;
  --amber-soft: #fff3e0;
  --danger: #e05252;
  --radius: 18px;
  --shadow-sm: 0 1px 3px rgba(22,32,44,.06), 0 4px 16px rgba(22,32,44,.05);
  --shadow-md: 0 6px 28px rgba(13,71,161,.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: var(--bg); color: var(--ink);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.container-narrow { width: min(720px, calc(100% - 40px)); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(247,249,252,.82);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 26px; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.nav { display: flex; gap: 20px; margin-left: auto; font-size: 14.5px; font-weight: 500; color: var(--ink-2); }
.nav a:hover { color: var(--brand); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; font-weight: 600; font-size: 15px;
  padding: 11px 20px; border-radius: 12px; transition: all .18s ease;
  font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 4px 14px rgba(25,118,210,.35); }
.btn-primary:hover { background: var(--brand-deep); transform: translateY(-1px); }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { padding: 8px 15px; font-size: 14px; }
.btn-lg { padding: 14px 26px; font-size: 16.5px; border-radius: 14px; }
.btn-block { width: 100%; margin-top: 10px; }

/* Hero */
.hero { padding: 72px 0 84px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.badge-row { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.pill { background: var(--brand-soft); color: var(--brand-deep); font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 999px; }
.pill-green { background: var(--green-soft); color: var(--green); }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.08; letter-spacing: -.02em; font-weight: 800; }
.grad { background: linear-gradient(92deg, #1976d2, #42a5f5 60%, #26c6da); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { margin-top: 18px; font-size: 18px; color: var(--ink-2); max-width: 54ch; }
.cta-row { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.micro { margin-top: 14px; font-size: 12.5px; color: var(--muted); }

/* Sections */
.section { padding: 76px 0; }
.section-alt { background: linear-gradient(180deg, #eef3fa 0%, var(--bg) 100%); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.015em; }
.section-head p { margin-top: 10px; color: var(--ink-2); font-size: 17px; }

/* Feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon { font-size: 30px; margin-bottom: 10px; }
.card h3 { font-size: 17px; margin-bottom: 6px; }
.card p { font-size: 14.5px; color: var(--ink-2); }
.pro-tag { background: linear-gradient(90deg,#1976d2,#26c6da); color:#fff; font-size: 10.5px; padding: 2px 8px; border-radius: 999px; vertical-align: middle; margin-left: 4px; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 22px; max-width: 780px; margin-inline: auto; }
.price-card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 30px 28px; box-shadow: var(--shadow-sm); }
.price-card--featured { border: 2px solid var(--brand); box-shadow: var(--shadow-md); }
.ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.price-card h3 { font-size: 19px; }
.price { font-size: 44px; font-weight: 800; letter-spacing: -.03em; margin: 8px 0 4px; }
.price span { font-size: 15px; font-weight: 500; color: var(--muted); }
.price-alt { font-size: 15px; color: var(--ink-2); margin-top: 2px; }
.price-alt em { color: var(--green); font-style: normal; font-weight: 600; }
.check-list { list-style: none; margin: 18px 0 6px; display: grid; gap: 9px; }
.check-list li { font-size: 14.5px; color: var(--ink-2); padding-left: 26px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 2px; color: var(--green); font-weight: 700; }
.price-card .micro { margin-top: 10px; text-align: center; }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.blog-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; display: flex; flex-direction: column; gap: 10px; }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-kicker { font-size: 12px; font-weight: 700; color: var(--brand); text-transform: uppercase; letter-spacing: .06em; }
.blog-card h3 { font-size: 18px; line-height: 1.35; }
.blog-card p { font-size: 14px; color: var(--ink-2); flex: 1; }
.blog-meta { font-size: 12.5px; color: var(--muted); }

/* FAQ */
.faq { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin-bottom: 10px; }
.faq summary { font-weight: 600; cursor: pointer; font-size: 15.5px; }
.faq p { margin-top: 10px; color: var(--ink-2); font-size: 14.5px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; background: var(--surface); }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-nav { display: flex; gap: 18px; font-size: 14px; color: var(--ink-2); flex-wrap: wrap; }
.footer-nav a:hover { color: var(--brand); }
.logo--footer { font-weight: 700; margin-bottom: 6px; }

/* ══════════ DEMO (mock extension) ══════════ */
.hero-demo {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-md), 0 24px 70px rgba(13,71,161,.14);
  overflow: hidden;
  transform: rotate(.4deg);
}
.demo-chrome { display: flex; align-items: center; gap: 12px; background: #eef2f7; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.demo-dots { display: flex; gap: 6px; }
.demo-dots i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.demo-dots i:nth-child(2){ background:#febc2e; } .demo-dots i:nth-child(3){ background:#28c840; }
.demo-url { font-size: 12px; color: var(--muted); background: #fff; border-radius: 999px; padding: 3px 14px; flex: 1; text-align: center; }
#mock-root { background: #fbfdff; }
.mock { padding: 16px; font-size: 13px; min-height: 480px; user-select: none; }
.mock-nav { display: flex; gap: 6px; margin-bottom: 14px; }
.mock-nav button {
  flex: 1; border: 1.5px solid var(--line); background: #fff; border-radius: 11px;
  padding: 8px 4px; font-size: 12px; font-weight: 600; color: var(--ink-2); cursor: pointer; transition: all .15s;
}
.mock-nav button.on { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-deep); }
.mock-panel h4 { font-size: 14px; margin-bottom: 10px; }
.mock-tabs { display: grid; gap: 6px; margin-bottom: 12px; }
.mock-tab { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; animation: pop .25s ease both; }
.mock-tab .fav { width: 16px; height: 16px; border-radius: 4px; flex-shrink: 0; }
.mock-tab .t { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 12.5px; }
.mock-tab .x { border: none; background: none; color: var(--muted); cursor: pointer; font-size: 13px; }
.mock-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.mbtn { border: none; border-radius: 10px; padding: 8px 13px; font-weight: 700; font-size: 12.5px; cursor: pointer; transition: transform .12s ease, filter .15s; font-family: inherit; }
.mbtn:active { transform: scale(.96); }
.mbtn-blue { background: var(--brand); color: #fff; } .mbtn-blue:hover { filter: brightness(1.08); }
.mbtn-gray { background: #eef2f7; color: var(--ink); }
.mbtn-green { background: var(--green); color: #fff; }
.mbtn-red { background: #fdecec; color: var(--danger); }
.mfolder-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.mchip { border: 1.5px solid var(--line); background: #fff; color: var(--ink-2); border-radius: 999px; padding: 4px 12px; font-size: 12px; font-weight: 600; cursor: pointer; }
.mchip.on { background: var(--brand-soft); border-color: var(--brand); color: var(--brand-deep); }
.msession { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; animation: pop .25s ease both; }
.msession .ic { font-size: 18px; }
.msession .nm { font-weight: 700; font-size: 13px; }
.msession .mt { font-size: 11.5px; color: var(--muted); }
.msession .grow { flex: 1; }
.mock-empty { text-align: center; color: var(--muted); padding: 36px 10px; font-size: 13px; }
.mock-timer { text-align: center; padding: 18px 0 8px; }
.mock-clock { font-size: 46px; font-weight: 800; letter-spacing: -.03em; color: var(--brand-deep); font-variant-numeric: tabular-nums; }
.mock-blocker { display: grid; gap: 7px; }
.mock-blocker .row { display: flex; justify-content: space-between; align-items: center; background:#fff; border:1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.mock-blocker .blocked { text-decoration: line-through; color: var(--muted); }
.mtoggle { width: 36px; height: 21px; border-radius: 999px; background: #d7dee8; border: none; cursor: pointer; position: relative; transition: background .18s; }
.mtoggle::after { content:""; position:absolute; top:3px; left:3px; width:15px; height:15px; border-radius:50%; background:#fff; transition:left .18s; box-shadow: 0 1px 3px rgba(0,0,0,.25); }
.mtoggle.on { background: var(--green); } .mtoggle.on::after { left: 18px; }
.mock-toast { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); background: var(--ink); color: #fff; font-size: 12.5px; font-weight: 600; border-radius: 999px; padding: 8px 18px; animation: pop .2s ease both; z-index: 5; }
.demo-wrap { position: relative; }
.demo-hint { padding: 10px 16px 14px; text-align: center; font-size: 12.5px; color: var(--muted); background: #fbfdff; border-top: 1px dashed var(--line); }
@keyframes pop { from { opacity: 0; transform: translateY(6px) scale(.97); } to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hero { padding: 48px 0 60px; }
}