/* Public landing pages: / (platform), /4forest, /aviid */
:root {
  --bg: #f4f6f3; --surface: #fff; --border: #dbe3da; --text: #17231c; --muted: #56665c;
  --primary: #1f5c43; --primary-hover: #17493a;
  --forest: #233b2e; --forest-line: rgba(255, 255, 255, .07);
  --avi: #123a63; --avi-soft: #e6eef8;
  --radius: 16px;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.55;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-family: 'Roboto Slab', Georgia, serif; font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.05rem; }
.lp-wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* header */
.lp-top { position: sticky; top: 0; z-index: 10; background: rgba(244, 246, 243, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.lp-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; flex-wrap: wrap; }
.lp-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.lp-brand b { display: block; font-family: 'Roboto Slab', Georgia, serif; font-size: 1.2rem; color: #1b3a2c; }
.lp-brand small { color: var(--muted); font-size: .76rem; }
.lp-nav { display: flex; align-items: center; gap: 6px 16px; flex-wrap: wrap; }
.lp-nav > a:not(.lp-btn) { color: var(--text); text-decoration: none; font-weight: 600; padding: 6px 2px; }
.lp-nav > a[aria-current='page'] { color: var(--primary); box-shadow: inset 0 -2px 0 var(--primary); }

/* buttons */
.lp-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 10px; }
.lp-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 20px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-weight: 650; text-decoration: none; }
.lp-btn:hover { border-color: var(--primary); }
.lp-btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.lp-btn-primary:hover { background: var(--primary-hover); }
.lp-btn-ghost { min-height: 38px; padding: 6px 14px; }

/* hero */
.lp-hero { padding: 56px 0 48px; }
.lp-hero-in { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start; }
.lp-hero-mark { padding-top: 8px; }
.lp-tagline { font-size: clamp(1.1rem, 2.4vw, 1.35rem); font-weight: 600; margin: 0 0 .6em; }
.lp-hero p { max-width: 660px; }
.lp-small { font-size: .88rem; color: var(--muted); margin: 6px 0 0; }
.lp-forest { background: var(--forest); color: #fff; background-image: repeating-radial-gradient(circle at 85% 10%, transparent 0 34px, var(--forest-line) 35px 36px), repeating-radial-gradient(circle at 10% 90%, transparent 0 40px, var(--forest-line) 41px 42px); }
.lp-forest .lp-small, .lp-forest p { color: rgba(255, 255, 255, .86); }
.lp-forest .lp-btn { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.lp-forest .lp-btn-primary { background: #fff; color: var(--forest); border-color: #fff; }
.lp-aviid { background: linear-gradient(160deg, #0f2f52, #1d4e89); color: #fff; }
.lp-aviid .lp-hero-mark { background: #fff; border-radius: 22px; padding: 12px 16px; }
.lp-aviid .lp-small, .lp-aviid p { color: rgba(255, 255, 255, .88); }
.lp-aviid .lp-btn { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.lp-aviid .lp-btn-primary { background: #fff; color: var(--avi); border-color: #fff; }
.lp-platform { background: var(--forest); color: #fff; text-align: left; background-image: repeating-radial-gradient(circle at 90% 0%, transparent 0 34px, var(--forest-line) 35px 36px); }
.lp-platform .lp-tagline { color: rgba(255, 255, 255, .88); font-weight: 500; }
.lp-platform .lp-btn { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.lp-platform .lp-btn-primary { background: #fff; color: var(--forest); border-color: #fff; }

/* sections */
.lp-section { padding: 48px 0; }
.lp-section + .lp-section { border-top: 1px solid var(--border); }
.lp-lead { font-size: 1.05rem; max-width: 720px; }
.lp-h2-small { font-size: 1.1rem; margin-top: 32px; }
.lp-features { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.lp-feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.lp-feature p { margin: 0; color: var(--muted); }
.lp-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.lp-tags li { background: var(--surface); border: 1px solid var(--border); border-radius: 99px; padding: 6px 14px; font-size: .92rem; }

/* prices */
.lp-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 320px)); gap: 16px; margin-top: 18px; }
.lp-plan { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.lp-plan-best { border: 2px solid var(--primary); }
.lp-plan p { margin: 6px 0 0; color: var(--muted); font-size: .92rem; }
.lp-price { font-size: 2.2rem; font-weight: 750; letter-spacing: -.02em; }
.lp-price small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.lp-badge { position: absolute; top: -12px; right: 16px; background: var(--primary); color: #fff; font-size: .78rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; }

/* platform: app cards */
.lp-apps { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.lp-app { display: flex; align-items: center; gap: 16px; padding: 22px; border-radius: var(--radius); text-decoration: none; color: #fff; }
.lp-app.lp-aviid .lp-app-mark { background: #fff; border-radius: 14px; padding: 6px 9px; display: inline-flex; }
.lp-app-text { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.lp-app-text b { font-size: 1.3rem; }
.lp-app-text small { opacity: .85; }
.lp-app-go { font-size: 1.6rem; }
.lp-app:hover { filter: brightness(1.08); }

.lp-account { background: var(--surface); }
.lp-account .lp-feature { background: var(--bg); }
.lp-foot { border-top: 1px solid var(--border); padding: 22px 0; color: var(--muted); font-size: .9rem; }
.lp-foot .lp-wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .lp-hero { padding: 36px 0 32px; }
  .lp-hero-in { grid-template-columns: 1fr; gap: 16px; }
  .lp-hero-mark svg { width: 64px; height: auto; }
  .lp-actions .lp-btn { flex: 1 1 100%; }
  .lp-nav { gap: 4px 12px; }
}