/* Pepture shared site styles - used by /stacks/ and /ai.html */
:root{--forest:#062e1d;--emerald:#0f5a3a;--accent:#1d8a5a;--cream:#F5EFE2;--mint:#D8E7DE;--amber:#E6A619;--muted:#4b665b;--ink:#062e1d;--line:#e5e7eb}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;color:var(--ink);line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased}
.serif{font-family:"Playfair Display",Georgia,"Times New Roman",serif;letter-spacing:-.01em}
a{color:var(--emerald);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto;padding:0 24px}
.text-center{text-align:center}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1200px;margin:0 auto;gap:20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--forest);font-size:18px}
.nav-logo img{width:34px;height:34px;border-radius:8px}
.nav-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--muted);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--emerald);text-decoration:none}
.nav-cta{background:var(--emerald);color:#fff!important;padding:9px 18px;border-radius:10px;font-weight:600}
.nav-cta:hover{background:var(--forest);text-decoration:none}
@media(max-width:720px){.nav-links a:not(.nav-cta){display:none}.nav-inner{padding:12px 16px}}
.section{padding:72px 0}
.section-alt{background:#f5f8f5}
.section-mint{background:var(--mint)}
.section-cream{background:var(--cream)}
.section-dark{background:var(--forest);color:#fff}
.section-dark h2,.section-dark p{color:#fff}
.section-label{display:inline-block;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:rgba(15,90,58,.12);color:var(--emerald)}
.section-dark .section-label{background:rgba(255,255,255,.12);color:#6ee7b7}
h2.section-h{font-size:clamp(28px,4vw,42px);font-weight:700;margin:14px 0 14px;line-height:1.2;font-family:"Playfair Display",Georgia,serif;letter-spacing:-.02em}
.section-sub{font-size:17px;color:var(--muted);max-width:680px;margin:0 auto 40px;text-align:center}
.stores{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;align-items:center;margin-top:18px}
.store-badge{display:inline-flex;align-items:center;transition:transform .18s ease}
.store-badge:hover{transform:translateY(-3px)}
.store-badge img{height:60px;width:auto;display:block;border-radius:10px}
@media(max-width:600px){.store-badge img{height:52px}}
.sub-hero{background:linear-gradient(160deg,var(--forest) 0%,var(--emerald) 100%);color:#fff;padding:72px 24px 60px;position:relative;overflow:hidden}
.sub-hero .container,.sub-hero .narrow{color:#fff}
.sub-hero h1{font-family:"Playfair Display",Georgia,serif;font-size:clamp(36px,6vw,64px);margin:10px 0 14px;letter-spacing:-.02em;color:#fff}
.sub-hero .lead{color:rgba(255,255,255,.85);max-width:720px;font-size:17.5px;line-height:1.55}
.sub-hero .crumb{color:rgba(255,255,255,.75);font-size:14px;display:inline-block;margin-bottom:18px}
.sub-hero .crumb:hover{color:#6ee7b7;text-decoration:none}
.sub-hero .section-label{background:rgba(255,255,255,.14);color:#6ee7b7}
.sub-hero-stores{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.sub-hero-stores .store-badge img{height:48px}
.search-row{margin:24px 0 16px}
.search-row input{width:100%;max-width:640px;padding:15px 20px;border:none;border-radius:14px;font-size:16px;font-family:inherit;background:rgba(255,255,255,.95);color:var(--ink)}
.search-row input:focus{outline:none;box-shadow:0 0 0 4px rgba(110,231,183,.3)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{padding:8px 14px;border-radius:20px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit}
.chip:hover{background:rgba(255,255,255,.22)}
.chip.active{background:#fff;border-color:#fff;color:var(--forest)}
.stack-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;max-width:1100px;margin:0 auto}
.stack-card{background:#fff;border-radius:18px;padding:26px;box-shadow:0 2px 14px rgba(0,0,0,.06);border:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:transform .18s,box-shadow .18s}
.stack-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(6,46,29,.1);text-decoration:none}
.stack-card .stack-tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--emerald);background:var(--mint);padding:4px 10px;border-radius:20px;align-self:flex-start;margin-bottom:12px}
.stack-card h3{font-family:"Playfair Display",Georgia,serif;font-size:22px;color:var(--forest);margin:0 0 10px;letter-spacing:-.01em}
.stack-card p{color:var(--muted);font-size:14.5px;line-height:1.6;margin:0 0 14px}
.stack-card .stack-compounds{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.stack-card .stack-compounds span{font-size:12.5px;font-weight:600;color:var(--emerald);background:#f5f8f5;padding:5px 11px;border-radius:14px;border:1px solid rgba(15,90,58,.15)}
.stack-card .stack-open{display:block;color:var(--emerald);font-weight:600;font-size:14px;margin-top:14px}
.no-results{text-align:center;color:var(--muted);padding:40px 20px;font-size:15px}
.pep-inline-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:22px}
.pep-inline{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.pep-inline:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(6,46,29,.08);text-decoration:none;border-color:var(--emerald)}
.pep-inline strong{display:block;color:var(--forest);font-size:16px;margin-bottom:4px}
.pep-inline span{display:block;color:var(--muted);font-size:13.5px;line-height:1.55}
.routine-table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04);margin:18px 0}
.routine-table th,.routine-table td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--line);vertical-align:top}
.routine-table th{background:var(--mint);color:var(--forest);font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase;width:170px}
.routine-table td{color:var(--muted);font-size:15px;line-height:1.6}
.routine-table tr:last-child th,.routine-table tr:last-child td{border-bottom:none}
.routine-note{color:#7a8c82;font-size:13.5px;margin-top:10px;font-style:italic;text-align:center}
.tracker-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;max-width:1100px;margin:0 auto}
.tracker-card{background:#fff;border-radius:14px;padding:22px;border:1px solid var(--line)}
.tracker-card h3{color:var(--forest);font-size:16px;margin:0 0 8px;font-weight:700}
.tracker-card p{color:var(--muted);font-size:14px;line-height:1.6;margin:0}
.variations{list-style:none;margin:18px 0 24px;padding:0}
.variations li{padding:14px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:15px;line-height:1.65}
.variations li:last-child{border-bottom:none}
.variations li strong{color:var(--forest)}
.callout{background:var(--mint);border-left:3px solid var(--emerald);padding:18px 22px;border-radius:10px;margin:24px 0;color:var(--ink);font-size:14.5px;line-height:1.65}
.callout strong{color:var(--forest)}
.tracker-connect{list-style:none;padding:0;margin:18px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.tracker-connect li{background:#fff;padding:14px 18px;border-radius:12px;border:1px solid var(--line);color:var(--muted);font-size:14.5px;line-height:1.55}
.tracker-connect li strong{color:var(--forest)}
.stack-peps{margin-top:22px;color:var(--muted);font-size:14.5px}
.footer{background:var(--forest);color:rgba(255,255,255,.72);padding:56px 24px 32px;margin-top:0}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-inner h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 14px}
.footer-inner a{color:rgba(255,255,255,.72);display:block;padding:4px 0;font-size:14.5px}
.footer-inner a:hover{color:#6ee7b7;text-decoration:none}
.footer-bottom{max-width:1100px;margin:40px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:13px;color:rgba(255,255,255,.48)}
@media(max-width:720px){.footer-inner{grid-template-columns:1fr 1fr;gap:24px}}
/* Scroll reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
/* AI page */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;max-width:1100px;margin:0 auto}
.ai-card{background:#fff;border-radius:18px;padding:28px;box-shadow:0 2px 14px rgba(0,0,0,.06);border:1px solid rgba(0,0,0,.05);transition:transform .2s,box-shadow .2s}
.ai-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(6,46,29,.1)}
.ai-card .ai-icon{width:48px;height:48px;border-radius:14px;background:var(--mint);color:var(--emerald);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.ai-card .ai-icon svg{width:26px;height:26px}
.ai-card h3{font-family:"Playfair Display",Georgia,serif;font-size:22px;color:var(--forest);margin:0 0 10px;letter-spacing:-.01em}
.ai-card p{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0}
.ai-card .ai-tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--emerald);background:var(--mint);padding:3px 9px;border-radius:14px;margin-top:14px}