/* PiWalk marketing site. One stylesheet for every public page so they stay one product.
   Tokens match the app (web/app/index.html): paper, ink, teal, Archivo + Instrument Sans. */

:root { --paper:#f7f4ee; --ink:#1b1916; --muted:#6b655c; --line:#e2ddd3; --accent:#0e7c86; --accent-dark:#0a5d65; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin:0; background:var(--paper); color:var(--ink);
  font-family:'Instrument Sans','Segoe UI',system-ui,sans-serif; font-size:17px; line-height:1.6; }
h1,h2,h3 { font-family:'Archivo','Arial Narrow',system-ui,sans-serif; margin:0; letter-spacing:-0.02em; line-height:1.15; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent); }
img, svg { max-width: 100%; }
.wrap { max-width: 1060px; margin: 0 auto; padding-inline: 20px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.5rem; height:52px; padding:0 26px;
  border-radius:9px; border:0; background:var(--accent); color:#fff; font-weight:600; font-size:17px;
  text-decoration:none; cursor:pointer; transition:background .15s ease; }
.btn:hover { background: var(--accent-dark); }
.btn.ghost { background:#fff; color:var(--ink); border:1px solid var(--line); }
.note { color:var(--muted); font-size:14.5px; }

header.nav { border-bottom:1px solid var(--line); background:rgba(247,244,238,.92); position:sticky; top:0; z-index:10; }
.nav-in { display:flex; align-items:center; justify-content:space-between; gap:16px; padding-block:14px; }
.brand { display:flex; align-items:center; gap:10px; font-family:Archivo,sans-serif; font-weight:700; font-size:20px;
  color:var(--ink); text-decoration:none; letter-spacing:-0.02em; }
.nav-links { display:flex; align-items:center; gap:20px; }
.nav-links a { color:var(--muted); text-decoration:none; font-size:15.5px; font-weight:500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color:var(--ink); }
@media (max-width: 860px) { .nav-links .hide-sm { display:none; } }

.hero { padding-block: clamp(40px, 7vw, 84px) clamp(32px, 5vw, 64px); }
.hero-grid { display:grid; grid-template-columns: 1.05fr .95fr; gap:clamp(28px,5vw,56px); align-items:center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns:1fr; } }
.eyebrow { display:inline-block; font-size:12.5px; font-weight:600; letter-spacing:.08em; text-transform:uppercase;
  color:var(--accent); background:#e4f0f0; border-radius:999px; padding:6px 13px; margin-bottom:18px; }
.sub { font-size: clamp(1.05rem, 1.9vw, 1.2rem); color:var(--muted); max-width:36em; margin-top:1rem; }
.cta-row { display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin-top:26px; }
.hero svg { width:100%; height:auto; display:block; }

section { padding-block: clamp(44px, 6vw, 76px); }
.band { background:#fff; border-block:1px solid var(--line); }
.lede { color:var(--muted); max-width:44em; margin-top:.8rem; font-size:1.05rem; }

.cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; margin-top:34px; }
.card { background:var(--paper); border:1px solid var(--line); border-radius:12px; padding:22px; }
.card h3 { margin-bottom:.45rem; }
.card p { margin:0; color:var(--muted); font-size:15.5px; }
.card p + p { margin-top:.7rem; }
.ic { width:34px; height:34px; color:var(--accent); margin-bottom:12px; }

.steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:22px; margin-top:34px; counter-reset:s; }
.step { position:relative; padding-top:44px; }
.step::before { counter-increment:s; content:counter(s); position:absolute; top:0; left:0;
  width:34px; height:34px; border-radius:50%; background:var(--accent); color:#fff;
  font-family:Archivo,sans-serif; font-weight:700; display:grid; place-items:center; }
.step p { color:var(--muted); font-size:15.5px; margin:.4rem 0 0; }

.price { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:18px; margin-top:32px; max-width:760px; }
.tier { background:var(--paper); border:1px solid var(--line); border-radius:12px; padding:26px; }
.band .tier { background:var(--paper); }
.tier.feat { border-color:var(--accent); box-shadow:0 0 0 1px var(--accent); }
.amt { font-family:Archivo,sans-serif; font-size:2.5rem; font-weight:700; letter-spacing:-.03em; }
.amt span { font-family:'Instrument Sans',sans-serif; font-size:1rem; font-weight:500; color:var(--muted); letter-spacing:0; }

details { border-bottom:1px solid var(--line); padding:18px 0; }
details summary { cursor:pointer; font-family:Archivo,sans-serif; font-weight:600; font-size:1.06rem; list-style:none; }
details summary::-webkit-details-marker { display:none; }
details summary::after { content:'+'; float:right; color:var(--accent); font-size:1.4rem; line-height:1; }
details[open] summary::after { content:'\2013'; }
details p { margin:.8rem 0 0; color:var(--muted); }

.final { text-align:center; }
.final .sub { margin-inline:auto; }
.final .cta-row { justify-content:center; }

/* Feature rows: text beside a picture, alternating. */
.frow { display:grid; grid-template-columns:1fr 1fr; gap:clamp(24px,5vw,54px); align-items:center; margin-top:44px; }
.frow:first-of-type { margin-top:34px; }
@media (max-width: 860px) { .frow { grid-template-columns:1fr; } .frow .pic { order:-1; } }
.frow .pic { background:var(--paper); border:1px solid var(--line); border-radius:14px; padding:18px; }
.band .frow .pic { background:var(--paper); }
.tick { list-style:none; padding:0; margin:1rem 0 0; }
.tick li { position:relative; padding-left:28px; margin-bottom:.55rem; color:var(--muted); font-size:15.5px; }
.tick li::before { content:''; position:absolute; left:2px; top:.5em; width:11px; height:6px;
  border-left:2.5px solid var(--accent); border-bottom:2.5px solid var(--accent); transform:rotate(-45deg); }

/* Testimonials */
.quotes { display:grid; grid-template-columns:repeat(auto-fit,minmax(290px,1fr)); gap:18px; margin-top:34px; }
.quote { background:var(--paper); border:1px solid var(--line); border-radius:12px; padding:24px; }
.band .quote { background:var(--paper); }
.quote blockquote { margin:0; font-size:1.05rem; }
.quote figcaption { margin-top:14px; color:var(--muted); font-size:14.5px; }
.quote.empty { border-style:dashed; color:var(--muted); }

footer { border-top:1px solid var(--line); padding-block:34px; color:var(--muted); font-size:14.5px; }
.foot-in { display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center; }
footer a { color:var(--muted); text-decoration:none; }
footer a:hover { color:var(--ink); }
.crumbs { font-size:14px; color:var(--muted); padding-top:20px; }
.crumbs a { color:var(--muted); text-decoration:none; }
.crumbs a:hover { color:var(--ink); }