/* iSurvive (with Marichu) — site styles. Fonts: Fraunces + Inter, self-hosted, SIL OFL 1.1 (see fonts/OFL-*.txt). */
@font-face{font-family:"Fraunces";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/fraunces-600-latin.woff2) format("woff2")}
@font-face{font-family:"Fraunces";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/fraunces-400i-latin.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(fonts/inter-latin.woff2) format("woff2")}

:root{
  --night:#0E1A1F;--deep:#15262C;--panel:#1D3238;--signal:#3FB6A8;--mist:#A9C1C6;--amber:#F6B547;--glow:#FFD98A;
  --blush:#F4A9BF;--peach:#F2C3A0;--paper:#F7F5FF;
  --glass:rgba(29,50,56,.38);--glass-2:rgba(29,50,56,.6);--edge:rgba(169,193,198,.18);--edge-2:rgba(169,193,198,.32);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --gutter:clamp(16px,5vw,64px);--max:1240px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--paper);font:400 1rem/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--glow);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--paper)}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:780px}
.skip{position:absolute;left:12px;top:-60px;z-index:20;padding:10px 16px;border-radius:8px;background:var(--paper);color:var(--night);font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,4.2vw,3rem)}
h3{font-size:1.2rem;line-height:1.25}
p{margin:0 0 1em}
.eyebrow{margin:0 0 14px;font:600 .75rem/1.4 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--amber)}
.muted{color:var(--mist)}
.lede{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--mist);max-width:40rem}

/* wordmark */
.wm{font-family:var(--serif);font-weight:600;letter-spacing:-.015em;color:var(--paper);white-space:nowrap}
.wm .i{color:var(--amber)}
.wm-sub{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--blush);white-space:nowrap}

/* header */
header.top{position:sticky;top:0;z-index:10;background:rgba(14,26,31,.9);border-bottom:1px solid var(--edge)}
@supports (backdrop-filter:blur(8px)){header.top{background:rgba(14,26,31,.72);backdrop-filter:blur(14px)}}
.bar{display:flex;align-items:center;justify-content:space-between;gap:8px 20px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.lock{display:inline-flex;align-items:center;gap:12px;text-decoration:none;min-height:44px}
.lock .wm{font-size:1.45rem}
.lock .div{width:1px;height:22px;background:var(--amber);opacity:.8}
.lock .wm-sub{font-size:1rem}
.nav ul{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:2px 4px;margin:0;padding:0}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:999px;color:var(--paper);text-decoration:none;font-size:.9rem;white-space:nowrap}
.nav a:hover{background:rgba(169,193,198,.1)}
.nav a.cta{border:1px solid rgba(246,181,71,.55);color:var(--glow);font-weight:600}
.nav a.cta:hover{background:var(--amber);color:var(--night)}
@media (max-width:760px){.nav .opt{display:none}}
@media (max-width:400px){.lock .wm-sub,.lock .div{display:none}.bar{gap:4px 8px}}

/* buttons + forms */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;border:0;background:var(--amber);color:var(--night);font:600 1rem/1 var(--sans);text-decoration:none;cursor:pointer;box-shadow:0 0 0 0 rgba(246,181,71,0);transition:box-shadow .25s,background .25s}
.btn:hover{background:var(--glow);color:var(--night);box-shadow:0 0 28px rgba(246,181,71,.35)}
.btn[disabled]{opacity:.7;cursor:progress}
.btn-ghost{background:transparent;color:var(--paper);border:1px solid var(--edge-2)}
.btn-ghost:hover{background:rgba(169,193,198,.12);color:var(--paper);box-shadow:none}
.wl{max-width:520px}
.wl-row{display:flex;gap:10px;flex-wrap:wrap}
.wl-row input[type=email]{flex:1 1 220px;min-width:0;min-height:48px;padding:0 18px;border-radius:999px;border:1px solid var(--edge-2);background:rgba(14,26,31,.6);color:var(--paper);font:400 1rem var(--sans)}
.wl-row input[type=email]::placeholder{color:#8FA8AD}
.wl-row input[type=email]:focus{outline:2px solid var(--glow);outline-offset:2px}
.wl-row .btn{flex:0 0 auto}
@media (max-width:420px){.wl-row .btn{flex:1 1 100%}}
.ck{display:flex;gap:10px;align-items:flex-start;margin:14px 0 0;font-size:.9rem;color:var(--mist);cursor:pointer}
.ck input{flex:none;width:24px;height:24px;margin:2px 0 0;accent-color:var(--amber)}
.err{margin:6px 0 0;min-height:0;font-size:.88rem;color:#FFB4B4}
.err:empty{display:none}
[aria-invalid=true]{border-color:#FF9C9C!important}
.fine{margin:12px 0 0;font-size:.82rem;color:var(--mist)}
.thanks h3{font-size:1.4rem}
.thanks:focus{outline:none}
.soon{margin:18px 0 0;font-size:.9rem;color:var(--mist);display:flex;align-items:center;gap:10px}
.soon::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 12px var(--amber);flex:none}

/* hero */
.hero{position:relative;overflow:hidden;padding:clamp(56px,11vw,140px) 0 clamp(56px,9vw,110px);text-align:center}
.hero::before{content:"";position:absolute;left:50%;top:-10%;width:min(1100px,160vw);height:120%;transform:translateX(-50%);background:radial-gradient(40% 36% at 50% 30%,rgba(246,181,71,.20),transparent 70%),radial-gradient(60% 50% at 20% 70%,rgba(63,182,168,.30),transparent 70%),radial-gradient(50% 45% at 85% 60%,rgba(244,169,191,.12),transparent 70%);pointer-events:none}
.rings{position:absolute;left:50%;top:clamp(40px,8vw,110px);width:min(620px,130vw);aspect-ratio:1;transform:translateX(-50%);pointer-events:none;opacity:.55}
.rings circle{fill:none;stroke:var(--mist);stroke-opacity:.14}
.hero .wrap{position:relative}
.hero h1{display:flex;flex-direction:column;align-items:center;gap:.08em}
.hero h1 .wm{font-size:clamp(3.6rem,13vw,8rem);line-height:1;text-shadow:0 0 60px rgba(246,181,71,.18)}
.hero h1 .wm .i{position:relative;display:inline-block;text-shadow:0 0 32px rgba(246,181,71,.55);isolation:isolate}
.hero h1 .wm .i::after{content:"";position:absolute;left:50%;top:30%;width:2.2em;height:2.2em;margin:-1.1em 0 0 -1.1em;border-radius:50%;background:radial-gradient(closest-side,rgba(246,181,71,.42),rgba(246,181,71,0));z-index:-1;opacity:.35;pointer-events:none}
@media (prefers-reduced-motion:no-preference){.hero h1 .wm .i::after{animation:amber 3.6s ease-in-out infinite alternate}@keyframes amber{from{opacity:.25;transform:scale(.85)}to{opacity:.8;transform:scale(1.1)}}}
.hero h1 .wm-sub{font-size:clamp(1.4rem,4vw,2.3rem);line-height:1.2}
.tagline{margin:28px auto 0;font:600 clamp(1.3rem,3vw,1.9rem)/1.25 var(--serif);color:var(--glow)}
.promise{margin:14px auto 0;max-width:36rem;font-size:clamp(1.02rem,1.5vw,1.15rem);color:var(--paper);opacity:.92}
.hero .wl{margin:30px auto 0;text-align:left}
.hero .soon{justify-content:center}
.hero .nx-seal{margin-top:30px}
.facts{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 10px;margin:28px 0 0;padding:0}
.facts li{padding:6px 14px;border:1px solid var(--edge);border-radius:999px;background:var(--glass);font-size:.85rem;color:var(--mist)}
@media (prefers-reduced-motion:no-preference){
  .hero::before{animation:drift 16s ease-in-out infinite alternate}
  .rings{animation:breathe 9s ease-in-out infinite}
  @keyframes drift{from{transform:translateX(-50%) translateY(0)}to{transform:translateX(-48%) translateY(14px)}}
  @keyframes breathe{0%,100%{opacity:.4}50%{opacity:.7}}
}

/* sections */
section{padding:clamp(56px,9vw,108px) 0;border-top:1px solid var(--edge)}
.sh{margin-bottom:clamp(28px,4vw,48px);max-width:46rem}
.sh .lede{margin-top:14px}
.center{text-align:center}.center .sh{margin-left:auto;margin-right:auto}.center .lede{margin-left:auto;margin-right:auto}
.glass{background:linear-gradient(160deg,var(--glass-2),var(--glass));border:1px solid var(--edge);border-radius:22px}

/* problem */
.prob{display:grid;gap:clamp(24px,4vw,56px);align-items:start}
@media (min-width:880px){.prob{grid-template-columns:1.1fr 1fr}}
.roast{padding:clamp(24px,3.4vw,40px);position:relative}
.roast p{font:600 clamp(1.15rem,2.2vw,1.45rem)/1.4 var(--serif);color:var(--paper);margin:0 0 16px}
.roast p:last-of-type{margin:0}
.roast .tl{font-style:italic;font-weight:400;color:var(--peach)}
.roast .who{display:block;margin-top:18px;font:600 .75rem/1.4 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--blush)}
.prob .answer p{color:var(--mist)}
.prob .answer p strong{color:var(--paper);font-weight:600}

/* how */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:18px;counter-reset:s}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{padding:28px;counter-increment:s;position:relative}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid rgba(246,181,71,.6);color:var(--amber);font:600 1.05rem var(--serif);margin-bottom:18px}
.steps h3{font-size:1.45rem;margin-bottom:8px}
.steps p{margin:0;color:var(--mist)}
.steps li.panic{border-color:rgba(246,181,71,.4)}

/* features */
.grid{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1040px){.grid{grid-template-columns:repeat(4,1fr)}}
.card{padding:24px;display:flex;flex-direction:column;gap:10px;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--edge-2)}
@media (prefers-reduced-motion:no-preference){.card:hover{transform:translateY(-2px)}}
.card svg{width:32px;height:32px;stroke:var(--amber);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card p{margin:0;color:var(--mist);font-size:.95rem}

/* panic / safety band (serious) */
.safety{background:linear-gradient(180deg,rgba(29,50,56,.55),rgba(14,26,31,0))}
.sb{display:grid;gap:clamp(24px,4vw,56px)}
@media (min-width:880px){.sb{grid-template-columns:1fr 1fr;align-items:start}}
.sb ul.g{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.sb ul.g li{padding:6px 12px;border-radius:10px;background:rgba(14,26,31,.55);border:1px solid var(--edge);font-size:.88rem;color:var(--paper)}
.sb .pts{margin:0 0 20px;padding-left:1.2em;color:var(--paper)}
.sb .pts li{margin:0 0 8px}
.notice{margin:24px 0 0;padding:18px 20px;border-left:3px solid var(--amber);border-radius:0 12px 12px 0;background:rgba(14,26,31,.6);color:var(--paper);font-size:.95rem}
.notice strong{color:var(--glow)}

/* privacy band */
.pv{list-style:none;margin:0;padding:0;display:grid;gap:16px}
@media (min-width:760px){.pv{grid-template-columns:repeat(3,1fr)}}
.pv li{padding:24px}
.pv h3{margin-bottom:6px}
.pv p{margin:0;color:var(--mist)}

/* orgs */
.org{padding:clamp(24px,4vw,48px);display:grid;gap:20px}
@media (min-width:880px){.org{grid-template-columns:1.3fr 1fr;align-items:center}}
.org p{color:var(--mist)}
.mode{display:inline-flex;align-items:center;gap:12px;padding:12px 16px;border-radius:14px;background:rgba(14,26,31,.6);border:1px solid var(--edge);font-size:.95rem}
.mode .sw{position:relative;width:44px;height:24px;border-radius:999px;background:#2F4A50;flex:none}
.mode .sw::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:var(--paper)}

/* faq */
.faq details{border-bottom:1px solid var(--edge)}
.faq details:first-of-type{border-top:1px solid var(--edge)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding:12px 0;cursor:pointer;list-style:none;font:600 1.12rem/1.35 var(--serif)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;font:400 1.5rem/1 var(--sans);color:var(--amber)}
.faq details[open] summary::after{content:"\2212"}
.faq details>div{padding:0 0 18px;color:var(--mist);max-width:44rem}
.faq details>div p{margin:0 0 10px}

/* waitlist band */
.join{position:relative;overflow:hidden}
.join::before{content:"";position:absolute;inset:0;background:radial-gradient(45% 60% at 50% 100%,rgba(246,181,71,.14),transparent 70%);pointer-events:none}
.join .wrap{position:relative}
.join .wl{margin:28px auto 0}

/* footer */
footer.foot{border-top:1px solid var(--edge);padding:40px 0 48px;font-size:.9rem;color:var(--mist)}
footer.foot .wrap{display:grid;gap:18px}
@media (min-width:760px){footer.foot .wrap{grid-template-columns:1fr auto;align-items:center}}
footer.foot p{margin:0}
footer.foot ul{list-style:none;display:flex;flex-wrap:wrap;gap:0 18px;margin:0;padding:0}
footer.foot a{color:var(--mist);display:inline-flex;align-items:center;min-height:44px}
footer.foot a:hover{color:var(--paper)}
footer.foot .by a{color:var(--glow)}

/* legal / support pages */
.doc{padding:clamp(40px,7vw,80px) 0 clamp(56px,8vw,96px)}
.doc h1{font-size:clamp(2.2rem,6vw,3.4rem);margin-bottom:10px}
.doc .upd{color:var(--mist);font-size:.92rem;margin-bottom:28px}
.doc h2{font-size:clamp(1.35rem,3vw,1.75rem);margin:40px 0 12px}
.doc p,.doc li{color:#DDE7E9}
.doc ul{padding-left:1.25em}
.doc li{margin:0 0 8px}
.doc .summary{padding:20px 24px;margin:0 0 8px}
.doc .summary ul{margin:0}
.alert{padding:20px 24px;border:1px solid rgba(246,181,71,.55);border-radius:16px;background:rgba(246,181,71,.08);margin:0 0 8px}
.alert h2{margin:0 0 8px;color:var(--glow)}
.alert p:last-child{margin:0}
.contact-box{padding:24px;margin:20px 0 0;display:grid;gap:12px}
.contact-box .btn{justify-self:start}
.topic{padding:24px;margin:0 0 24px;border-color:rgba(246,181,71,.5)}
.topic h2{margin:0 0 8px}
.mailbig{font:600 clamp(1.2rem,3vw,1.6rem)/1.3 var(--serif);overflow-wrap:anywhere}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* DBL Nexus family footer (navy, gold, as on the homepage) */
footer.foot{background:#0B1026;border-top:1px solid rgba(201,165,76,.22);color:#BDB7CB}
footer.foot a{color:#BDB7CB}
footer.foot a:hover{color:#F5F1E8}
footer.foot .by a{color:#E2C77F}
/* teal signal accent */
.steps li::before{border-color:rgba(63,182,168,.7);color:#5FD0C2}
.card svg{stroke:#5FD0C2}
.facts li{border-color:rgba(63,182,168,.35)}
.sb ul.g li{border-color:rgba(63,182,168,.3)}

/* founder strip */
.maker{display:grid;gap:22px 32px;align-items:center;padding:clamp(22px,3.6vw,40px)}
@media (min-width:700px){.maker{grid-template-columns:auto 1fr}}
.maker picture{display:block;width:112px;height:140px;border-radius:56px 56px 14px 14px;overflow:hidden;border:1px solid rgba(246,181,71,.45)}
.maker img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.maker h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.maker .credit{margin:10px 0 14px;font:600 .78rem/1.5 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}

/* schools card */
.mode-t{margin:14px 0 0;color:var(--paper)}
.srcs{padding:22px 24px;border-radius:16px;background:rgba(14,26,31,.6);border:1px solid var(--edge)}
.srcs h3{margin:0 0 12px;font-size:1.1rem}
.srcs ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.srcs li{padding:6px 12px;border-radius:999px;border:1px solid rgba(63,182,168,.35);font-size:.9rem;color:var(--paper)}
.facts li{font-size:.875rem}