/* PotencyAnalyzer guides - same design tokens as the home page */
:root{--ink:#0f1a12;--ink-mid:#3a4a3d;--ink-muted:#6b7d6e;--paper:#f5f4ef;--white:#fff;--accent:#1a6b3c;--accent-lt:#e8f5ee;--rule:#d4d9d5;--warn:#8b4513;--serif:'DM Serif Display',Georgia,serif;--sans:'DM Sans',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.7;font-size:1.0625rem}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin-inline:auto;padding-inline:1.25rem}
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.8rem 1.6rem;border-radius:6px;font-weight:600;font-size:.95rem;cursor:pointer;transition:opacity .15s,transform .1s;border:none}
.btn:hover{opacity:.88;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-outline{background:transparent;color:var(--accent);border:2px solid var(--accent)}
.btn-white{background:var(--white);color:var(--accent)}
nav{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--rule);padding:.9rem 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-logo{font-family:var(--serif);font-size:1.35rem;color:var(--ink)}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:1.75rem;font-size:.9rem;font-weight:500}
.nav-links a{color:var(--ink-mid);transition:color .15s}
.nav-links a:hover,.nav-links a.on{color:var(--accent)}
@media (max-width:700px){.nav-links a:not(.btn){display:none}}
.g-hero{background:linear-gradient(135deg,#0f1a12 0%,#1a3022 100%);color:var(--white);padding:3.25rem 0 2.75rem}
.crumbs{font-size:.82rem;color:rgba(255,255,255,.6);margin-bottom:1rem}
.crumbs a{color:rgba(255,255,255,.8);text-decoration:underline;text-underline-offset:2px}
.g-eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#6ee89a;margin-bottom:.6rem}
.g-hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(1.9rem,4.6vw,2.9rem);line-height:1.15;max-width:820px;margin-bottom:1rem}
.g-lede{font-size:1.15rem;color:rgba(255,255,255,.82);max-width:760px}
.g-meta{font-size:.82rem;color:rgba(255,255,255,.55);margin-top:1.1rem}
.g-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:3rem;padding:3rem 1.25rem 4rem;max-width:1100px;margin-inline:auto}
@media (max-width:900px){.g-wrap{grid-template-columns:minmax(0,1fr);gap:2rem}}
article h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,3vw,1.95rem);line-height:1.25;margin:2.6rem 0 .8rem}
article h2:first-child{margin-top:0}
article h3{font-size:1.1rem;font-weight:600;margin:1.6rem 0 .5rem}
article p{margin-bottom:1rem;color:var(--ink-mid)}
article p strong,article li strong{color:var(--ink)}
article ul,article ol{margin:0 0 1.2rem 1.3rem;color:var(--ink-mid)}
article li{margin-bottom:.45rem}
article a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.answer{background:var(--white);border:1px solid var(--rule);border-left:4px solid var(--accent);border-radius:8px;padding:1.25rem 1.4rem;margin-bottom:2rem}
.answer p{margin:0;color:var(--ink)}
.answer .lbl{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.4rem}
.tbl{width:100%;border-collapse:collapse;margin:0 0 1.4rem;background:var(--white);border:1px solid var(--rule);border-radius:8px;overflow:hidden;font-size:.95rem}
.tbl th,.tbl td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--rule);vertical-align:top}
.tbl th{background:var(--accent-lt);color:var(--accent);font-size:.8rem;letter-spacing:.04em;text-transform:uppercase}
.tbl tr:last-child td{border-bottom:none}
.tbl-scroll{overflow-x:auto;margin-bottom:1.4rem}
.tbl-scroll .tbl{margin:0;min-width:520px}
.note{background:#fdf3ee;border:1px solid #f0d5c5;border-radius:8px;padding:1rem 1.2rem;margin:0 0 1.4rem;font-size:.95rem}
.note p{margin:0;color:var(--ink)}
.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--white);border:1px solid var(--rule);border-radius:6px;padding:.8rem 1rem;margin:0 0 1.2rem;font-size:.92rem;overflow-x:auto;color:var(--ink)}
.cta{background:var(--accent);color:var(--white);border-radius:12px;padding:2rem;margin:2.6rem 0 0}
.cta h2{color:var(--white);margin-top:0}
.cta p{color:rgba(255,255,255,.85)}
.cta .row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.2rem}
.cta .btn-ghost{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.6)}
.faq details{background:var(--white);border:1px solid var(--rule);border-radius:8px;margin-bottom:.7rem;padding:.9rem 1.1rem}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:.7rem 0 0}
aside .box{background:var(--white);border:1px solid var(--rule);border-radius:10px;padding:1.3rem 1.3rem 1.1rem;margin-bottom:1.25rem}
aside{position:sticky;top:5rem;align-self:start}
@media (max-width:900px){aside{position:static}}
aside h4{font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
aside ul{list-style:none}
aside li{border-bottom:1px solid var(--rule);padding:.55rem 0;font-size:.93rem;line-height:1.4}
aside li:last-child{border-bottom:none}
aside li a{color:var(--ink-mid)}
aside li a:hover{color:var(--accent)}
.spec{display:flex;justify-content:space-between;gap:.8rem;padding:.42rem 0;border-bottom:1px solid var(--rule);font-size:.9rem}
.spec:last-of-type{border-bottom:none}
.spec span:first-child{color:var(--ink-muted)}
.spec span:last-child{font-weight:600;text-align:right}
.box .btn{width:100%;justify-content:center;margin-top:1rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;padding:3rem 0 4rem}
.card{background:var(--white);border:1px solid var(--rule);border-radius:12px;padding:1.6rem;display:flex;flex-direction:column;gap:.6rem;transition:border-color .15s,transform .1s}
.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.card h2{font-family:var(--serif);font-weight:400;font-size:1.35rem;line-height:1.25}
.card p{color:var(--ink-mid);font-size:.97rem}
.card .more{color:var(--accent);font-weight:600;font-size:.92rem;margin-top:auto}
footer{background:var(--ink);color:rgba(255,255,255,.6);padding:2.2rem 0;font-size:.88rem}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;align-items:center}
.footer-logo{font-family:var(--serif);font-size:1.15rem;color:var(--white)}
.footer-links{display:flex;gap:1.5rem;flex-wrap:wrap}
.footer-links a:hover{color:var(--white)}