/* ============================================================
   Phlo design system - shared across the marketing site.
   Tokens lifted from the Claude Design handoff (phlobio.ai brand).
   One typeface: Hanken Grotesk (weights 400 + 500 only).
   © 2026 Phlo.
   ============================================================ */

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Hanken Grotesk',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:#b8efd9;color:#04231a}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

:root{
  --bg:#f5f8f9; --surface:#ffffff; --surface-2:#eef2f4; --surface-3:#e3eaee;
  --border:#dde5e9; --border-strong:#c7d2d8;
  --ink:#0a1628; --ink-2:#46555f; --ink-3:#6e7d87;
  --green:#00c389; --green-strong:#00a274; --green-deep:#00785a;
  --green-soft:#e1faf0; --green-soft-bd:#b3eed7;
  --cyan:#00b8ff; --cyan-strong:#0093d6; --cyan-deep:#0073a8;
  --cyan-soft:#e0f4ff; --cyan-soft-bd:#aee2ff;
  --brand-grad:linear-gradient(135deg,#00e5a0 0%,#00b8ff 100%);
  --warn:#d98a0b; --warn-soft:#fcf2dc; --warn-bd:#f1d79a;
  --danger:#dd4a4f; --danger-soft:#fdecec; --danger-bd:#f4c3c4;
  --shadow-sm:0 1px 2px rgba(10,22,40,.05),0 1px 3px rgba(10,22,40,.05);
  --shadow-md:0 8px 26px rgba(10,22,40,.09);
  --shadow-lg:0 22px 60px rgba(10,22,40,.16);
  --ring:0 0 0 4px rgba(0,195,137,.18);
}

@keyframes phlo-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}
@keyframes phlo-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes phlo-blink{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* ---------- layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding-left:clamp(16px,5vw,32px);padding-right:clamp(16px,5vw,32px)}
.section{padding-top:clamp(48px,7vw,80px);padding-bottom:clamp(48px,7vw,80px)}
.section-tight{padding-top:clamp(40px,6vw,64px);padding-bottom:clamp(40px,6vw,64px)}
.surface-band{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.grid-auto{display:grid;gap:18px}

/* ---------- type ---------- */
.eyebrow{font-size:12px;letter-spacing:normal;color:var(--green-strong);font-weight:500;display:block}
.eyebrow.cyan{color:var(--cyan-strong)}
.h1{font-weight:500;font-size:clamp(34px,5.4vw,56px);line-height:1.03;letter-spacing:.01em;margin:0}
.h2{font-weight:500;font-size:clamp(28px,4vw,38px);line-height:1.08;letter-spacing:.01em;margin:0}
.h3{font-weight:500;font-size:clamp(22px,3vw,30px);letter-spacing:.01em;margin:0}
.lede{font-size:clamp(16px,2.2vw,19px);color:var(--ink-2)}
.grad-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--ink-2)}
.fine{font-size:11px;color:var(--ink-3)}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Hanken Grotesk',sans-serif;font-weight:500;cursor:pointer;border:none;border-radius:12px;transition:.15s;line-height:1}
.btn-lg{font-size:17px;padding:15px 26px;border-radius:14px}
.btn-md{font-size:15px;padding:12px 18px}
.btn-sm{font-size:13px;padding:8px 14px;border-radius:10px}
.btn-primary{background:var(--green);color:#04231a;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--green-strong);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-gradient{background:var(--brand-grad);color:#04231a;box-shadow:var(--shadow-sm)}
.btn-gradient:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-secondary{background:var(--surface);color:var(--ink);border:1px solid var(--border-strong)}
.btn-secondary:hover{border-color:var(--green);background:var(--green-soft)}
.btn-ink{background:#0a1628;color:#fff;box-shadow:var(--shadow-md)}
.btn-ink:hover{transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.9);color:#04231a}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-block{width:100%}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:var(--shadow-sm)}
.card-lg{border-radius:20px;padding:clamp(24px,3vw,32px)}
.card-hover{transition:.15s}
.card-hover:hover{border-color:var(--green);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.accent-top{position:relative;overflow:hidden}
.accent-top::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--green)}
.accent-top.gradient::before{background:var(--brand-grad)}

/* tinted pill / chip */
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:500;padding:6px 12px;border-radius:999px}
.chip-green{background:var(--green-soft);border:1px solid var(--green-soft-bd);color:var(--green-deep)}
.chip-cyan{background:var(--cyan-soft);border:1px solid var(--cyan-soft-bd);color:var(--cyan-deep)}
.tag{font-size:11px;padding:5px 10px;border-radius:8px;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--border);display:inline-block}
.tag-green{background:var(--green-soft);color:var(--ink);border-color:var(--green-soft-bd)}

/* tick list */
.ticks{display:flex;flex-direction:column;gap:11px}
.ticks .tick{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.ticks .tick .mk{flex:none;width:20px;height:20px;border-radius:6px;background:var(--green-soft);color:var(--green-deep);display:grid;place-items:center;font-size:12px;font-weight:500;margin-top:1px}
.ticks .tick.cyan .mk{background:var(--cyan-soft);color:var(--cyan-deep)}
.ticks .tick.cross .mk{background:var(--surface-2);color:var(--ink-3)}

.dark-band{background:var(--ink);color:#fff;border-radius:18px}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px clamp(16px,5vw,32px);background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav.on-dark{background:color-mix(in srgb,#0a1628 70%,transparent);border-bottom:1px solid rgba(255,255,255,.10)}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-brand .name{font-weight:500;font-size:21px;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink-2);padding:8px 12px;border-radius:9px;transition:.15s}
.nav-links a:hover{background:var(--surface-2);color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav.on-dark .nav-links a{color:#b7c6d2}
.nav.on-dark .nav-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-signin{font-weight:500;font-size:14px;padding:9px 15px;border-radius:11px;color:var(--ink);cursor:pointer;background:none;border:none;font-family:inherit}
.nav.on-dark .nav-signin{color:#eaf3f8}
.nav-cta{font-weight:500;font-size:14px;padding:10px 16px;border-radius:11px;background:var(--green);color:#04231a;box-shadow:var(--shadow-sm);transition:.15s}
.nav-cta:hover{background:var(--green-strong);transform:translateY(-1px)}
.nav-cta.gradient{background:var(--brand-grad)}
.nav-burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);font-size:18px;cursor:pointer;align-items:center;justify-content:center}
.nav.on-dark .nav-burger{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff}

@media (max-width:860px){
  .nav-links{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;gap:2px;padding-top:6px}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px}
  .nav-burger{display:inline-flex}
}

/* ---------- FOOTER ---------- */
.footer{border-top:1px solid var(--border);background:var(--surface)}
.footer-top{max-width:1180px;margin:0 auto;padding:clamp(40px,6vw,64px) clamp(16px,5vw,32px) 28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:32px}
.footer-brand{min-width:200px}
.footer h4{font-size:11px;letter-spacing:normal;color:var(--ink-3);margin:0 0 14px;font-weight:500}
.footer-col{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--ink)}
.footer-col a.green{color:var(--green-strong);font-weight:500}
.footer-col a.green:hover{color:var(--green-deep)}
.footer-bar{border-top:1px solid var(--border);max-width:1180px;margin:0 auto;padding:18px clamp(16px,5vw,32px);display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between}
.footer-bar .legal{display:flex;gap:18px;font-size:12px;color:var(--ink-3)}
.footer-bar .legal a:hover{color:var(--ink-2)}

/* hide a node until JS decides auth state */
[data-auth]{display:none}