/* ============================================================
   Parent Group Activities — marketing site shared styles.
   Aligned to CLAUDE.md §5 (kickoff brief, 2026-05-27): Nunito-only,
   spec-exact palette + full spacing/radius/shadow scales. Legacy
   --primary/--accent aliases kept so existing pages keep rendering.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap');

:root {
  /* ── Brand (spec §5) ──────────────────────────────────────── */
  --brand-blue:        #1E7FD6;
  --brand-blue-deep:   #1B4DA6;
  --brand-cyan:        #29B6E0;
  --brand-orange:      #F58220;
  --brand-orange-soft: #FFB066;
  --brand-green:       #2BA84A;
  --brand-green-soft:  #7CCB8F;

  /* ── Interaction ──────────────────────────────────────────── */
  --indigo-cta:        #5B53E8;
  --indigo-soft:       #EEF0FF;

  /* ── Semantic ─────────────────────────────────────────────── */
  --success:           #16A34A;
  --warn:              #F59E0B;
  --danger:            #DC2626;

  /* ── Surfaces & text ──────────────────────────────────────── */
  --bg:                #F4F6FB;
  --bg-soft:           #F9FAFC;
  --surface:           #FFFFFF;
  --ink:               #111827;
  --ink-2:             #1F2937;
  --muted:             #6B7280;
  --line:              #E5E7EB;
  --line-soft:         #EEF1F6;

  /* ── Spacing scale (spec §5) ─────────────────────────────── */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-xxl: 48px;
  --space-xxxl: 64px;

  /* ── Radius scale (spec §5) ──────────────────────────────── */
  --radius-xs:    6px;
  --radius-sm:   10px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-pill: 999px;

  /* ── Shadow scale (spec §5) ──────────────────────────────── */
  --shadow-card:     0 1px 3px rgba(17,24,39,0.06);
  --shadow-elevated: 0 6px 16px rgba(17,24,39,0.08);
  --shadow-cta:      0 8px 20px rgba(27,77,166,0.18);

  /* ── Font ────────────────────────────────────────────────── */
  --font-display: 'Nunito', system-ui, sans-serif;
  --font-body:    'Nunito', system-ui, sans-serif;

  /* ── Legacy aliases (kept so older pages keep rendering) ─── */
  --primary:       var(--brand-blue);
  --primary-dark:  var(--brand-blue-deep);
  --primary-light: var(--brand-cyan);
  --primary-tint:  var(--indigo-soft);

  --accent:        var(--brand-green);
  --accent-dark:   var(--success);
  --accent-light:  var(--brand-green-soft);
  --accent-tint:   #DCF7E3;

  --premium:       var(--indigo-cta);
  --premium-dark:  #4940D0;
  --premium-tint:  var(--indigo-soft);

  --orange:        var(--brand-orange);

  --text:          var(--ink);
  --text-muted:    var(--muted);
  --text-subtle:   #9CA3AF;
  --border:        var(--line);
  --bg-alt:        var(--bg-soft);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: var(--font-body);
             color: var(--text); background: var(--bg); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.01em; }

/* ── Top nav ─────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 50;
       background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
       border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 14px 20px;
             display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px;
         font-family: var(--font-display); letter-spacing: -0.01em; }
.brand .brand-mark { width: 36px; height: 36px; display: block; }
.brand .brand-text-primary { color: var(--primary); }
.brand .brand-text-accent { color: var(--accent); }
.brand img.brand-logo { width: 150px; height: 50px; }
.nav-links { display: none; gap: 22px; }
.nav-links a { color: var(--text-muted); font-size: 14px; font-weight: 700; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--primary); }
@media (min-width: 760px) { .nav-links { display: flex; } }
.nav-cta { background: var(--primary); color: #fff; padding: 9px 18px;
           border-radius: 22px; font-weight: 800; font-size: 14px; }
.nav-cta:hover { background: var(--primary-dark); }

/* ── Page hero ───────────────────────────────────────────── */
.page-hero { padding: 70px 20px 50px; text-align: center;
             background: radial-gradient(circle at 25% 0%, var(--primary-tint) 0%, var(--bg) 60%); }
.eyebrow, .section-eyebrow,
.page-hero .eyebrow { color: var(--primary); font-weight: 800; font-size: 12px;
                      text-transform: uppercase; letter-spacing: 0.12em; }
.page-hero h1 { font-size: clamp(32px, 5vw, 50px); font-weight: 800;
                margin: 14px auto 16px; max-width: 720px; line-height: 1.15;
                letter-spacing: -0.02em; }
.page-hero h1 .accent { color: var(--accent); }
.page-hero p { font-size: 17px; color: var(--text-muted); max-width: 580px; margin: 0 auto; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  display: inline-block; padding: 14px 24px; border-radius: 28px;
  font-weight: 800; font-size: 15px; transition: all 0.15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-secondary { background: #fff; color: var(--text); border: 2px solid var(--text); }
.btn-secondary:hover { background: var(--bg-alt); }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-tint); }

/* ── Feature blocks (used on /features.html) ─────────────── */
.feature-block { padding: 60px 20px; }
.feature-block.alt { background: var(--bg-alt); }
.fb-inner { max-width: 1100px; margin: 0 auto; display: grid;
            grid-template-columns: 1fr; gap: 40px; align-items: center; }
@media (min-width: 800px) { .fb-inner { grid-template-columns: 1fr 1fr; } }
.feature-block.alt .fb-inner { direction: rtl; }
.feature-block.alt .fb-inner > * { direction: ltr; }
.fb-eyebrow { display: flex; align-items: center; gap: 10px;
              color: var(--primary); font-weight: 800; font-size: 13px;
              text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.fb-icon { display: grid; place-items: center; width: 32px; height: 32px;
           border-radius: 8px; background: var(--primary-tint); color: var(--primary); }
.fb-text h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 14px;
              font-weight: 800; line-height: 1.2; letter-spacing: -0.01em; }
.fb-text p { color: var(--text-muted); font-size: 16px; margin: 0 0 14px; }
.fb-text ul { margin: 0; padding-left: 18px; color: #334155; font-size: 14px;
              line-height: 1.7; }
.fb-text ul li { margin: 4px 0; }
.fb-text a { color: var(--primary); font-weight: 800; }
.leader-badge { background: linear-gradient(135deg, var(--accent), #fbbf24);
                color: #fff; padding: 3px 10px; border-radius: 10px;
                font-size: 11px; font-weight: 800; letter-spacing: 0.04em; }

/* Mock screenshots used in feature blocks */
.fb-shot { display: flex; justify-content: center; }
.mock-card, .mock-chat, .mock-family, .mock-qr, .mock-template,
.mock-discover, .mock-poll, .mock-live, .mock-post {
  background: #fff; border-radius: 16px; padding: 18px;
  box-shadow: 0 18px 40px rgba(15,23,42,0.08);
  border: 1px solid var(--border); width: 100%; max-width: 360px;
}
.mc-row, .md-row { display: flex; align-items: center; gap: 12px; padding: 10px 0;
                   border-bottom: 1px solid var(--bg-alt); }
.mc-row:last-child, .md-row:last-child { border-bottom: none; }
.mc-icon, .md-icon { width: 38px; height: 38px; border-radius: 19px;
                     display: grid; place-items: center;
                     background: var(--primary-tint); color: var(--primary); flex-shrink: 0; }
.mc-icon.accent, .md-icon.accent { background: var(--accent-tint); color: var(--accent); }
.mc-name, .md-name { font-weight: 800; font-size: 14px; }
.mc-meta, .md-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.mock-chat .mc-bubble { background: var(--bg-alt); padding: 10px 14px;
                        border-radius: 14px; margin: 6px 0; font-size: 13px;
                        max-width: 80%; }
.mock-chat .mc-bubble.mine { background: var(--primary); color: #fff; margin-left: auto; }

.mock-family .mf-banner { height: 80px;
                          background: linear-gradient(135deg, var(--primary), var(--primary-dark));
                          border-radius: 10px; margin-bottom: 12px; }
.mock-family .mf-name { font-weight: 800; font-size: 16px; }
.mock-family .mf-meta { font-size: 12px; color: var(--text-muted); margin: 4px 0 10px; }
.mock-family .mf-kids { display: flex; gap: 6px; flex-wrap: wrap; }
.mock-family .mf-chip { background: var(--primary-tint); color: var(--primary-dark);
                        padding: 5px 10px; border-radius: 12px;
                        font-size: 12px; font-weight: 700; }

.mock-qr { text-align: center; }
.mock-qr .qr-art { font-family: monospace; font-size: 16px; color: var(--text);
                   letter-spacing: 0.15em; line-height: 1.4; margin-bottom: 12px; }
.mock-qr .qr-label { font-size: 12px; color: var(--text-muted); font-weight: 700; }

.mock-template .mt-row { display: flex; gap: 10px; padding: 6px 0;
                         border-bottom: 1px solid var(--bg-alt); }
.mock-template .mt-row strong { color: var(--text-muted); min-width: 100px;
                                font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.mock-template .mt-row span { font-size: 13px; color: var(--text); flex: 1; }
.mock-template .mt-tips { margin-top: 12px; background: var(--accent-tint);
                          border: 1px solid var(--accent-light);
                          padding: 10px; border-radius: 8px; font-size: 12px;
                          color: var(--accent-dark); }

.mock-poll .mp-q { font-weight: 800; margin-bottom: 12px; font-size: 14px; }
.mock-poll .mp-bar { background: var(--bg-alt); border-radius: 6px; height: 28px;
                     margin: 4px 0; overflow: hidden; }
.mock-poll .mp-bar > div { color: #fff; font-size: 12px; font-weight: 700;
                           padding: 6px 10px; height: 100%; white-space: nowrap; }
.mock-poll .mp-bar > div:nth-child(1),
.mock-poll .mp-bar.primary > div { background: var(--primary); }
.mock-poll .mp-bar.accent > div { background: var(--accent); }

.mock-live { text-align: center; padding: 30px 18px; }
.mock-live .ml-tag { display: inline-block; background: #dc2626; color: #fff;
                     padding: 3px 9px; border-radius: 6px; font-size: 11px;
                     font-weight: 700; margin-bottom: 16px; }
.mock-live .ml-title { font-weight: 800; font-size: 18px; }
.mock-live .ml-sub { color: var(--text-muted); font-size: 12px; margin-top: 6px; }

.mock-post .mp-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.mock-post .mp-avatar { width: 36px; height: 36px; border-radius: 18px;
                        background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.mock-post .mp-author { font-weight: 800; font-size: 13px; }
.mock-post .mp-when { font-size: 11px; color: var(--text-subtle); }
.mock-post .mp-body { font-size: 13px; color: #1e293b; margin-bottom: 10px; }
.mock-post .mp-photo { height: 90px; background:
   linear-gradient(135deg, var(--primary-light), var(--accent-light));
   border-radius: 10px; margin-bottom: 10px; }
.mock-post .mp-react { display: flex; gap: 12px; font-size: 12px;
                       color: var(--text-muted); }

/* ── Section title (generic) ─────────────────────────────── */
.section-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800;
                 text-align: center; margin: 10px 0 14px;
                 letter-spacing: -0.02em; }

/* ── Pricing plans ───────────────────────────────────────── */
.plans { padding: 50px 20px 70px; }
.plans-inner { max-width: 960px; margin: 0 auto; display: grid;
               grid-template-columns: 1fr; gap: 22px; }
@media (min-width: 740px) { .plans-inner { grid-template-columns: 1fr 1fr; } }
.plan { background: #fff; border-radius: 18px; border: 1px solid var(--border);
        padding: 30px 26px; position: relative;
        box-shadow: 0 2px 6px rgba(0,0,0,0.03); }
.plan-featured { border-color: transparent;
                 box-shadow: 0 20px 60px rgba(13,148,136,0.18);
                 background: linear-gradient(180deg, #fff 0%, var(--primary-tint) 100%); }
.plan-ribbon { position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
               background: linear-gradient(135deg, var(--accent), #fcd34d); color: #fff;
               padding: 6px 16px; border-radius: 14px; font-size: 12px;
               font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; }
.plan-name { font-size: 22px; font-weight: 800; }
.plan-price { font-size: 42px; font-weight: 800; margin: 8px 0; }
.plan-per { font-size: 14px; color: var(--text-muted); font-weight: 700; }
.plan-tag { color: var(--text-muted); font-size: 14px; margin-bottom: 18px; }
.plan-list { list-style: none; padding: 0; margin: 0 0 22px; font-size: 14px;
             color: #334155; }
.plan-list li { padding: 7px 0; border-bottom: 1px solid var(--bg-alt);
                line-height: 1.5; display: flex; align-items: flex-start; gap: 8px; }
.plan-list li:last-child { border-bottom: none; }
.plan-list li::before { content: ""; }
.plan-list .yes::before { content: "✓"; color: var(--primary); font-weight: 800; }
.plan-list .no::before  { content: "—"; color: var(--text-subtle); font-weight: 800; }
.plan-cta { display: block; padding: 14px; text-align: center;
            border-radius: 28px; font-weight: 800; font-size: 15px; }
.plan-cta-primary { background: var(--primary); color: #fff; }
.plan-cta-primary:hover { background: var(--primary-dark); }
.plan-cta-secondary { background: var(--bg-alt); color: var(--text); }
.plan-cta-secondary:hover { background: var(--border); }

/* "Why charge" grid below pricing */
.pricing-faq { padding: 50px 20px; background: var(--bg-alt); }
.pricing-faq .section-title { margin-bottom: 30px; }
.pf-grid { max-width: 960px; margin: 0 auto; display: grid;
           grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 740px) { .pf-grid { grid-template-columns: 1fr 1fr; } }
.pf-item { background: #fff; padding: 22px; border-radius: 14px;
           border: 1px solid var(--border); }
.pf-item h3 { margin: 0 0 8px; font-size: 16px; }
.pf-item p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* ── About sections ──────────────────────────────────────── */
.about-section { padding: 60px 20px; }
.about-section.alt { background: var(--bg-alt); }
.about-inner { max-width: 800px; margin: 0 auto; }
.about-lead { font-size: 18px; color: var(--text); line-height: 1.6;
              margin: 0 0 18px; font-weight: 700; }
.about-section p { color: var(--text-muted); font-size: 15px; line-height: 1.7;
                   margin: 0 0 14px; }
.about-checklist { list-style: none; padding: 0; margin: 0 0 16px; }
.about-checklist li { padding: 8px 0; font-size: 15px; color: var(--text); }
.about-hint { color: var(--text-muted); font-size: 14px; font-style: italic;
              padding-top: 8px; border-top: 1px solid var(--border); margin-top: 14px; }

.promise-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 700px) { .promise-grid { grid-template-columns: 1fr 1fr; } }
.promise { background: #fff; padding: 22px; border-radius: 14px;
           border: 1px solid var(--border); }
.promise-icon { width: 40px; height: 40px; border-radius: 12px;
                background: var(--primary-tint); color: var(--primary);
                display: grid; place-items: center; margin-bottom: 12px; }
.promise h3 { margin: 0 0 6px; font-size: 16px; }
.promise p { margin: 0; color: var(--text-muted); font-size: 13px; line-height: 1.6; }

.signin-flow { padding-left: 22px; }
.signin-flow li { padding: 6px 0; color: #334155; }

/* ── FAQ accordion ───────────────────────────────────────── */
.faq { padding: 60px 20px; }
.faq-inner { max-width: 760px; margin: 0 auto; }
.faq-category { margin: 24px 0 12px; color: var(--primary); font-weight: 800;
                font-size: 12px; text-transform: uppercase;
                letter-spacing: 0.1em; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px;
            margin-bottom: 10px; overflow: hidden; }
.faq-item summary { padding: 16px 18px; font-weight: 800; cursor: pointer;
                    list-style: none; position: relative;
                    padding-right: 40px; font-size: 15px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 18px;
                           top: 14px; font-size: 22px; color: var(--text-subtle);
                           transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--primary); }
.faq-item p, .faq-item ul, .faq-item ol {
  margin: 0; padding: 0 18px 18px; color: var(--text-muted); font-size: 14px;
  line-height: 1.7; }
.faq-item ul, .faq-item ol { padding-left: 38px; }

/* ── CTA strip ───────────────────────────────────────────── */
.cta-strip { padding: 70px 20px; text-align: center;
             background: linear-gradient(135deg, var(--primary), var(--primary-dark));
             color: #fff; }
.cta-strip h2 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 12px;
                font-weight: 800; }
.cta-strip p { font-size: 16px; opacity: 0.92; margin: 0 0 22px; }
.cta-strip a { color: #fff; text-decoration: underline; }
.cta-strip .btn-primary { background: #fff; color: var(--text); text-decoration: none; }
.cta-strip .btn-primary:hover { background: var(--bg-alt); }
.cta-strip .btn-accent { background: var(--accent); }
.cta-strip .btn-accent:hover { background: var(--accent-dark); }

/* ── Footer ──────────────────────────────────────────────── */
.footer { background: #0f172a; color: #cbd5e1;
          padding: 50px 20px 30px; text-align: center; font-size: 13px; }
.footer a { color: var(--primary-light); }
.footer-links { margin-bottom: 18px; display: flex; gap: 18px;
                justify-content: center; flex-wrap: wrap; }

/* ── Tag strip on use-cases ──────────────────────────────── */
.strip { background: linear-gradient(135deg, var(--primary), var(--premium)); padding: 60px 20px; color: #fff; }
.strip-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.strip h2 { font-size: clamp(24px, 3.4vw, 34px); margin: 0 0 14px; font-weight: 800; }
.strip p { font-size: 17px; opacity: 0.92; margin: 0; }
.strip-tags { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
.strip-tag { background: rgba(255,255,255,0.16); padding: 8px 16px;
             border-radius: 20px; font-weight: 700; font-size: 13px; }