/* Protocol Survival — Grid Down Command | shared styles */
:root{
  --ink:#0b0c0d; --ink-2:#131517; --ink-3:#1c1f22; --line:#2a2e33;
  --paper:#f6f3ee; --paper-2:#ece7de; --text:#1b1d20; --muted:#5d636b;
  --tan:#b08d5e; --tan-2:#d4b88f; --cta:#c9461a; --cta-2:#b33f0e; --ok:#2f8f4e; --warn:#c62828;
  /* Text-on-light variants that meet WCAG AA (4.5:1) on white, --paper and --paper-2 */
  --tan-ink:#7a5a2e; --cta-ink:#b33f0e; --ok-ink:#27753f;
  --radius:10px; --max:1120px; --read:720px;
  --shadow:0 18px 50px rgba(0,0,0,.35);
}
*{box-sizing:border-box} html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:18px;line-height:1.65;color:var(--text);background:var(--paper)}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:Oswald,Impact,sans-serif;line-height:1.1;letter-spacing:.01em;margin:0 0 .5em;text-transform:uppercase}
h1{font-size:clamp(2.1rem,5.4vw,3.9rem)} h2{font-size:clamp(1.7rem,3.8vw,2.6rem)} h3{font-size:1.35rem}
p{margin:0 0 1.1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.read{max-width:var(--read);margin:0 auto}
.center{text-align:center}
.eyebrow{font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.18em;font-size:.82rem;color:var(--tan-ink);font-weight:600;margin-bottom:.8em;display:inline-block}
.hero .eyebrow,.dark .eyebrow,.dark-2 .eyebrow,.teaser .eyebrow,.inline-cta .eyebrow,.offer .eyebrow,.quiz .eyebrow{color:var(--tan)}
.dark{background:var(--ink);color:#e8e6e2} .dark .muted{color:#9aa0a6}
.dark-2{background:var(--ink-2);color:#e8e6e2}
.muted{color:var(--muted)}
section{padding:72px 0}
@media(max-width:700px){section{padding:52px 0} body{font-size:17px}}

/* Top bar & nav */
.topbar{background:var(--cta);color:#fff;text-align:center;font-size:.85rem;font-weight:600;padding:8px 14px;letter-spacing:.02em}
.nav{position:sticky;top:0;z-index:40;background:rgba(11,12,13,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.12em;font-weight:600;font-size:1rem}
.brand-mark{width:30px;height:30px;border:2px solid var(--tan);border-radius:6px;display:grid;place-items:center;color:var(--tan);font-size:.8rem}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:#c9c6c0;text-decoration:none;font-size:.9rem;font-weight:500}
.nav-links a:hover,.nav-links a.btn{color:#fff}
@media(max-width:820px){.nav-links a:not(.btn){display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.08em;font-weight:600;border-radius:8px;cursor:pointer;border:0;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn-cta{background:var(--cta);color:#fff;padding:18px 30px;font-size:1.25rem;box-shadow:0 10px 26px rgba(226,81,26,.35)}
.btn-cta:hover{background:var(--cta-2);transform:translateY(-2px);box-shadow:0 14px 32px rgba(226,81,26,.45)}
.btn-cta small{display:block;font-family:Inter,sans-serif;text-transform:none;letter-spacing:0;font-weight:500;font-size:.8rem;opacity:.9}
.btn-sm{padding:10px 16px;font-size:.9rem}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid #4a4f55;padding:14px 22px;font-size:1rem}
.btn-ghost:hover{border-color:var(--tan);color:var(--tan-2)}
.btn-block{width:100%}
.cta-stack{display:flex;flex-direction:column;align-items:center;gap:10px}
.cta-note{font-size:.85rem;color:#9aa0a6;display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.cta-note span{white-space:nowrap}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 70% -10%,rgba(176,141,94,.22),transparent 60%),linear-gradient(180deg,#0b0c0d,#111315);color:#f1efeb;padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.hero h1 span{color:var(--tan-2)}
.hero .sub{font-size:1.2rem;color:#c9c6c0;max-width:36em}
.checks{list-style:none;padding:0;margin:0 0 28px}
.checks li{position:relative;padding-left:32px;margin:0 0 10px}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:50%;background:var(--tan) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b0c0d' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/13px no-repeat}
.hero .btn-cta{width:100%;max-width:520px}

/* Product mockup */
.mock{position:relative;height:420px;perspective:1200px}
.book{position:absolute;width:190px;height:260px;border-radius:4px 10px 10px 4px;background:linear-gradient(135deg,#23272b,#0f1113);border:1px solid #3a3f45;box-shadow:var(--shadow);padding:18px 16px;color:#e8e6e2;display:flex;flex-direction:column;justify-content:space-between;transform-origin:left center}
.book::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.5),transparent);border-radius:4px 0 0 4px}
.book .vol{font-family:Oswald,sans-serif;font-size:.72rem;letter-spacing:.2em;color:var(--tan)}
.book .ttl{font-family:Oswald,sans-serif;text-transform:uppercase;font-size:1.2rem;line-height:1.05}
.book .bar{height:4px;width:44px;background:var(--tan);border-radius:2px}
.book .brandline{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:#8d9399}
.b1{left:4%;top:60px;transform:rotateY(18deg) rotate(-8deg)}
.b2{left:18%;top:36px;transform:rotateY(18deg) rotate(-4deg)}
.b3{left:32%;top:18px;transform:rotateY(18deg)}
.b4{left:46%;top:36px;transform:rotateY(18deg) rotate(4deg)}
.b5{left:58%;top:60px;transform:rotateY(18deg) rotate(8deg)}
.phone{position:absolute;right:0;bottom:0;width:130px;height:250px;border-radius:22px;background:#0b0c0d;border:3px solid #3a3f45;box-shadow:var(--shadow);padding:18px 10px;display:flex;flex-direction:column;gap:8px}
.phone .row{height:22px;border-radius:5px;background:#1c1f22;display:flex;align-items:center;padding:0 7px;font-size:.55rem;color:#b9bec4;justify-content:space-between}
.phone .row b{color:var(--tan-2)}
.phone .big{height:62px;border-radius:8px;background:linear-gradient(135deg,#2a2218,#1c1f22);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-family:Oswald,sans-serif}
.phone .big b{font-size:1.5rem;color:var(--tan-2);line-height:1} .phone .big span{font-size:.5rem;letter-spacing:.14em;color:#9aa0a6}
@media(max-width:900px){.mock{height:330px;max-width:460px;margin:0 auto;width:100%} .book{width:150px;height:205px} .phone{width:105px;height:200px}}
@media(max-width:420px){.mock{height:290px} .book{width:128px;height:178px;padding:12px} .book .ttl{font-size:.95rem} .phone{width:92px;height:176px}}

/* Trust strip */
.trust{background:var(--ink-3);color:#c9c6c0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:18px;padding-bottom:18px}
.trust div{display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:500}
.trust i{font-style:normal;color:var(--tan);font-size:1.2rem}
@media(max-width:800px){.trust .wrap{grid-template-columns:repeat(2,1fr)}}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:36px 0}
.stat{background:#fff;border:1px solid var(--paper-2);border-radius:var(--radius);padding:24px}
.stat b{display:block;font-family:Oswald,sans-serif;font-size:2.6rem;line-height:1;color:var(--cta);margin-bottom:8px}
.stat p{margin:0;font-size:.95rem}
.stat cite{display:block;font-style:normal;font-size:.75rem;color:var(--muted);margin-top:10px}
@media(max-width:800px){.stats{grid-template-columns:1fr}}

.pull{font-family:Oswald,sans-serif;text-transform:uppercase;font-size:clamp(1.5rem,3vw,2rem);line-height:1.2;border-left:6px solid var(--cta);padding:6px 0 6px 20px;margin:36px 0}

/* Timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.tl{background:var(--ink-3);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.tl .h{font-family:Oswald,sans-serif;color:var(--tan-2);letter-spacing:.12em;font-size:.85rem;text-transform:uppercase}
.tl h3{color:#fff;font-size:1.15rem;margin:.4em 0}
.tl p{font-size:.93rem;color:#aeb3b9;margin:0}
@media(max-width:900px){.timeline{grid-template-columns:1fr 1fr}} @media(max-width:520px){.timeline{grid-template-columns:1fr}}

/* Volumes */
.vols{display:grid;gap:18px;margin-top:36px}
.vol-card{display:grid;grid-template-columns:120px 1fr;gap:24px;background:#fff;border:1px solid var(--paper-2);border-radius:var(--radius);padding:26px;align-items:start}
.vol-num{font-family:Oswald,sans-serif;background:var(--ink);color:var(--tan-2);border-radius:8px;text-align:center;padding:16px 8px}
.vol-num b{display:block;font-size:2.4rem;line-height:1} .vol-num span{font-size:.7rem;letter-spacing:.2em}
.vol-card h3{margin-bottom:.35em} .vol-card .tag{font-size:.9rem;color:var(--muted);margin-bottom:12px}
.vol-card ul{margin:0;padding-left:1.1em} .vol-card li{margin-bottom:6px}
.vol-card.bonus{background:var(--ink);color:#e8e6e2;border-color:var(--line)} .vol-card.bonus .tag{color:#9aa0a6}
@media(max-width:640px){.vol-card{grid-template-columns:1fr;gap:14px;padding:20px} .vol-num{display:flex;gap:10px;align-items:baseline;justify-content:center;padding:10px}}

/* Quiz teaser */
.teaser{background:linear-gradient(135deg,#1c1f22,#0b0c0d);border:1px solid var(--line);border-radius:14px;padding:36px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;color:#e8e6e2}
@media(max-width:760px){.teaser{grid-template-columns:1fr;padding:26px}}

/* Fit */
.fit{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.fit>div{border-radius:var(--radius);padding:26px;background:#fff;border:1px solid var(--paper-2)}
.fit h3{font-size:1.15rem} .fit ul{list-style:none;padding:0;margin:0} .fit li{padding-left:28px;position:relative;margin-bottom:10px}
.fit .yes li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.fit .no li::before{content:"✕";position:absolute;left:0;color:var(--warn);font-weight:800}
@media(max-width:700px){.fit{grid-template-columns:1fr}}

/* Compare */
.compare{width:100%;border-collapse:separate;border-spacing:0;margin-top:30px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--paper-2);font-size:.95rem}
.compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--paper-2);vertical-align:top}
.compare th{font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.05em;font-weight:600;background:var(--paper-2)}
.compare .us{background:#fff6ef} .compare th.us{background:var(--cta);color:#fff}
.compare tr:last-child td{border-bottom:0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-scroll .compare{min-width:620px}

/* Offer */
.offer{background:var(--ink-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);max-width:680px;margin:0 auto}
.offer-head{background:var(--tan);color:var(--ink);text-align:center;padding:14px;font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.14em;font-weight:600}
.offer-body{padding:32px}
.offer ul{list-style:none;padding:0;margin:0 0 24px}
.offer li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed #3a3f45;color:#d6d3ce}
.offer li b{color:#fff;font-weight:600} .offer li span{color:#3aa35c;font-weight:700;white-space:nowrap}
.price{text-align:center;margin:10px 0 22px}
.price .num{font-family:Oswald,sans-serif;font-size:5.2rem;line-height:1;color:#fff}
.price .num sup{font-size:.45em;vertical-align:top;position:relative;top:.35em;margin-right:2px}
.price .lbl{color:#9aa0a6;font-size:.95rem}
.pay-row{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:16px}
.pay-row span{border:1px solid #3a3f45;border-radius:5px;padding:4px 9px;font-size:.72rem;color:#aeb3b9;font-weight:600;letter-spacing:.04em}

/* Guarantee */
.guarantee{display:grid;grid-template-columns:150px 1fr;gap:30px;align-items:center;background:#fff;border:2px dashed var(--tan);border-radius:16px;padding:32px;max-width:860px;margin:0 auto}
.seal{width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,#d4b88f,#b08d5e);display:grid;place-items:center;text-align:center;font-family:Oswald,sans-serif;color:var(--ink);text-transform:uppercase;box-shadow:inset 0 0 0 6px rgba(255,255,255,.35),0 8px 20px rgba(0,0,0,.15)}
.seal b{font-size:2.6rem;line-height:.9;display:block} .seal span{font-size:.72rem;letter-spacing:.14em}
@media(max-width:640px){.guarantee{grid-template-columns:1fr;text-align:center;padding:24px} .seal{margin:0 auto}}

/* FAQ */
.faq{max-width:820px;margin:30px auto 0}
.faq details{background:#fff;border:1px solid var(--paper-2);border-radius:var(--radius);margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.6rem;color:var(--tan);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:#3d4247}

/* Sticky mobile CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(11,12,13,.97);border-top:1px solid var(--line);padding:10px 14px;display:flex;align-items:center;gap:12px;transform:translateY(110%);transition:transform .25s ease}
.sticky-cta.show{transform:none}
.sticky-cta .t{color:#fff;font-size:.85rem;line-height:1.25;flex:1} .sticky-cta .t b{color:var(--tan-2);font-family:Oswald,sans-serif;font-size:1.2rem}
.sticky-cta .btn-cta{padding:12px 18px;font-size:1rem;box-shadow:none}
@media(min-width:901px){.sticky-cta{left:auto;right:20px;bottom:20px;border:1px solid var(--line);border-radius:12px;max-width:420px}}

/* Footer */
footer{background:var(--ink);color:#8d9399;font-size:.85rem;padding:48px 0 110px}
footer .cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:24px}
footer a{color:#c9c6c0;text-decoration:none} footer a:hover{color:#fff}
footer .links{display:flex;gap:18px;flex-wrap:wrap}
footer .fcol{min-width:180px}
footer .fcol h4{font-family:Oswald,sans-serif;color:#fff;font-size:.85rem;letter-spacing:.14em;margin:0 0 10px}
footer .fcol a{display:block;margin-bottom:7px}
.hub-sec{margin-top:44px}
.hub-sec>h2{font-size:1.6rem;margin-bottom:.3em}
.hub-sec>p{color:var(--muted);max-width:760px}
footer .fine{border-top:1px solid var(--line);padding-top:20px;font-size:.75rem;line-height:1.6}

/* Articles */
.article{background:#fff;padding:56px 0}
.article .read h1{font-size:clamp(2rem,4.5vw,3rem)}
.article .read h2{font-size:1.6rem;margin-top:1.6em}
.article .read ul,.article .read ol{padding-left:1.2em} .article .read li{margin-bottom:8px}
.callout{background:var(--paper);border-left:5px solid var(--tan);padding:18px 22px;border-radius:0 8px 8px 0;margin:26px 0}
.callout.warn{border-color:var(--warn);background:#fdf1f0}
.inline-cta{background:var(--ink);color:#e8e6e2;border-radius:14px;padding:28px;margin:36px 0;text-align:center}
.inline-cta h3{color:#fff}
.byline{color:var(--muted);font-size:.9rem;margin-bottom:26px}
.sources{font-size:.85rem;color:var(--muted);border-top:1px solid var(--paper-2);padding-top:18px;margin-top:36px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.guide-card{background:#fff;border:1px solid var(--paper-2);border-radius:var(--radius);padding:24px;text-decoration:none;display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease}
.guide-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.08)}
.guide-card .eyebrow{margin-bottom:.4em} .guide-card h3{font-size:1.2rem} .guide-card p{color:var(--muted);font-size:.95rem;flex:1}
.guide-card .more{font-weight:700;color:var(--cta-ink);font-size:.9rem}
@media(max-width:860px){.guide-grid{grid-template-columns:1fr}}
.checklist{list-style:none;padding:0!important}
.checklist li{padding:10px 12px 10px 44px;position:relative;border-bottom:1px solid var(--paper-2)}
.checklist li::before{content:"";position:absolute;left:10px;top:12px;width:20px;height:20px;border:2px solid var(--tan);border-radius:4px}
@media print{.nav,.topbar,.sticky-cta,.inline-cta,footer{display:none}}

.small{font-size:.85rem}
.article .read a{color:var(--cta-ink)}
.article .read .btn-cta{color:#fff}
.skip{position:absolute;left:-9999px} .skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:100}
:focus-visible{outline:3px solid var(--tan-2);outline-offset:2px}

/* QA fixes */
.btn-cta{flex-direction:column;gap:2px;text-align:center}
.brand,.nav .btn-sm{white-space:nowrap}
.btn-cta{white-space:normal}
section,[id]{scroll-margin-top:70px}
@media(max-width:520px){.brand{font-size:.85rem;letter-spacing:.08em}.brand-mark{width:26px;height:26px}.nav .btn-sm{padding:8px 12px;font-size:.8rem}.topbar{font-size:.78rem}}
@media(max-width:420px){.phone{padding:12px 7px;gap:6px}.phone .row{font-size:.48rem;padding:0 5px;height:18px}.phone .big{height:50px}.phone .big b{font-size:1.2rem}}