/* Frontwater guide/article pages — shared system, sibling of index.html */
:root{
  --bg:#FCFBF7; --ink:#152536; --ink-2:#51616F; --ink-3:#7B8894;
  --navy:#13293D; --navy-deep:#0D1F30; --carolina:#4B9CD3; --carolina-soft:#A9CDE8;
  --action:#1D6FA5; --coral:#1D6FA5; --coral-deep:#16608F;
  --card:#FFFFFF; --line:rgba(21,37,54,.09); --on-navy:#EDF3F8; --on-navy-2:#A8BCCC;
  --disp:"Geist",-apple-system,sans-serif; --sans:"Geist",-apple-system,sans-serif; --mono:"Geist Mono",monospace; --serif:"Instrument Serif",Georgia,serif;
  --sh-sm:0 1px 2px rgba(21,37,54,.05),0 4px 14px rgba(21,37,54,.06);
  --sh-md:0 2px 6px rgba(21,37,54,.05),0 18px 44px rgba(21,37,54,.10);
  --sh-lg:0 4px 12px rgba(21,37,54,.06),0 32px 80px rgba(21,37,54,.14);
  --r:10px; --r-lg:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:16.5px;line-height:1.7;overflow-x:clip}
h1,h2,h3{font-family:var(--disp);line-height:1.08;letter-spacing:-.035em;font-weight:500;text-wrap:balance}
p{text-wrap:pretty}
img{max-width:100%;display:block}
a{color:var(--action)}
:focus-visible{outline:2px solid var(--action);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,44px)}

/* pills */
.pill{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;letter-spacing:-.01em;padding:14px 26px;border-radius:8px;text-decoration:none;border:none;cursor:pointer;transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s,background .2s}
.pill:hover{transform:translateY(-1px)}
.pill:active{transform:translateY(0) scale(.985)}
.pill-coral{background:var(--coral);color:#fff;box-shadow:0 1px 2px rgba(29,111,165,.28),0 6px 16px rgba(29,111,165,.16)}
.pill-coral:hover{background:var(--coral-deep)}
.pill-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--sh-sm)}
.pill-navy{background:var(--navy);color:#fff;box-shadow:var(--sh-sm)}
.pill-navy:hover{background:var(--navy-deep)}

/* nav — same morphing pill as home, static variant */
.navbar{position:sticky;top:14px;z-index:50;margin:14px auto 0;max-width:920px;padding:0 16px}
.nav-inner{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:100px;padding:9px 10px 9px 24px;box-shadow:var(--sh-md)}
.wordmark{display:inline-flex;align-items:center;gap:9px;font-family:var(--disp);font-weight:600;font-size:21px;color:var(--ink);text-decoration:none;letter-spacing:-.045em}
.wordmark svg{width:1.15em;height:1.15em;flex:none}
.nav-links{display:flex;gap:26px;font-size:14.5px;font-weight:600}
.nav-links a{color:var(--ink-2);text-decoration:none;transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-tel{font-family:var(--mono);font-size:13px;color:var(--ink-2);text-decoration:none}
.nav-tel:hover{color:var(--ink)}
.nav-inner .pill{padding:10px 20px;font-size:14px}
@media (max-width:700px){.nav-links,.nav-tel{display:none}}

/* article header */
.art-head{max-width:840px;margin:0 auto;padding:clamp(56px,8vh,92px) 0 0;position:relative}
.art-kicker{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase}
.art-kicker::before{content:"";width:22px;height:1.5px;background:var(--coral)}
.art-head h1{font-size:clamp(2.35rem,4.6vw,3.7rem);margin:20px 0 0;max-width:20ch}
.art-head h1 em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--carolina)}
.byline{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;margin-top:22px;font-size:13.5px;color:var(--ink-2)}
.byline .ava{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:inline-grid;place-items:center;font-family:var(--disp);font-weight:700;font-size:12px}
.byline b{font-weight:600;color:var(--ink)}
.byline .upd{font-family:var(--mono);font-size:12px;color:var(--ink-3)}

/* the answer capsule */
.capsule{max-width:840px;margin:34px auto 0;background:var(--navy);color:var(--on-navy);border-radius:var(--r-lg);box-shadow:var(--sh-lg);padding:clamp(24px,3.4vw,38px);position:relative;overflow:hidden}
.capsule::after{content:"";position:absolute;inset:0;background:radial-gradient(85% 70% at 82% 0%,rgba(75,156,211,.26),transparent 62%);pointer-events:none}
.capsule>*{position:relative;z-index:1}
.capsule small{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--carolina-soft);text-transform:uppercase;display:block;margin-bottom:12px}
.capsule p{font-size:clamp(1.05rem,1.4vw,1.22rem);line-height:1.65;color:var(--on-navy)}
.capsule p b{color:#fff;font-weight:600}

/* article body */
.art{max-width:840px;margin:0 auto;padding-bottom:24px}
.art section{padding-top:clamp(52px,7vh,76px)}
.art h2{font-size:clamp(1.6rem,2.6vw,2.15rem);color:var(--ink)}
.art h2 em{font-family:var(--serif);font-style:italic;font-weight:400}
.art h3{font-size:1.15rem;font-weight:600;letter-spacing:-.02em;margin-top:30px}
.art p{margin-top:16px;color:var(--ink-2);max-width:70ch}
.art p b,.art li b{color:var(--ink);font-weight:600}
.art ul{margin:16px 0 0 2px;list-style:none;display:flex;flex-direction:column;gap:10px}
.art ul li{color:var(--ink-2);padding-left:26px;position:relative}
.art ul li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:15px;border-radius:50%;background:#E3F0FA url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%231D6FA5" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"%3E%3Cpath d="M20 6 9 17l-5-5"/%3E%3C/svg%3E') center/9px no-repeat}
.src{font-family:var(--mono);font-size:11.5px;color:var(--ink-3);margin-top:10px}
.art a{text-decoration:none;border-bottom:1.5px solid var(--carolina-soft);padding-bottom:1px}
.art a:hover{border-color:var(--action)}

/* tables */
.tbl-scroll{overflow-x:auto;margin-top:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-sm)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14px}
caption{caption-side:top;text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:16px 20px 0}
th{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);text-align:left;padding:16px 20px 12px;border-bottom:1px solid var(--line)}
td{padding:13px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
tr:last-child td{border-bottom:none}
td b{color:var(--ink);font-weight:600}
td.num{font-family:var(--mono);font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums}
tr.hl td{background:#F2F8FD}
.yes{color:#1E7A57;font-weight:600}
.no{color:var(--ink-3)}
.part{color:#8A5A16;font-weight:500}

/* callout plate */
.plate{margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:24px 26px}
.plate small{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);display:block;margin-bottom:10px}
.plate .big{font-family:var(--disp);font-weight:700;font-size:clamp(1.9rem,3.4vw,2.7rem);letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.plate p{margin-top:10px;font-size:14.5px}

/* sms example thread */
.thread{margin-top:26px;max-width:420px;display:flex;flex-direction:column;gap:9px}
.thread .meta{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);text-align:center;letter-spacing:.08em}
.bub{max-width:88%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.5;box-shadow:var(--sh-sm)}
.bub.in{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.bub.out{align-self:flex-end;background:var(--navy);color:var(--on-navy);border-bottom-right-radius:5px}
.bub.stamp{align-self:center;background:transparent;border:1px dashed var(--carolina);color:var(--action);font-family:var(--mono);font-size:11px;border-radius:20px;padding:5px 14px;box-shadow:none}

/* faq */
.faq{margin-top:26px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;box-shadow:var(--sh-sm);overflow:hidden}
summary{list-style:none;cursor:pointer;padding:19px 24px;font-weight:600;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--disp);font-size:22px;font-weight:400;color:var(--ink-3);transition:transform .25s;flex:none}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 24px 20px;font-size:14.5px;color:var(--ink-2);max-width:64ch;margin:0}

/* final CTA band */
.art-cta{max-width:840px;margin:clamp(60px,9vh,96px) auto 0;background:var(--navy);border-radius:var(--r-lg);box-shadow:var(--sh-lg);padding:clamp(30px,4.5vw,52px);text-align:center;color:var(--on-navy);position:relative;overflow:hidden}
.art-cta::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 70% at 24% 0%,rgba(75,156,211,.24),transparent 62%);pointer-events:none}
.art-cta>*{position:relative;z-index:1}
.art-cta h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.5rem)}
.art-cta h2 em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--carolina-soft)}
.art-cta p{color:var(--on-navy-2);max-width:52ch;margin:14px auto 0}
.art-cta .row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:26px}
.art-cta .note{font-size:12.5px;color:var(--on-navy-2);margin-top:16px}

/* more guides */
.more{max-width:840px;margin:clamp(48px,7vh,72px) auto 0}
.more h2{font-size:1.05rem;font-weight:600;letter-spacing:-.01em}
.more-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:16px}
.more-grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;text-decoration:none;box-shadow:var(--sh-sm);transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}
.more-grid a:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.more-grid b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.more-grid span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}

footer{border-top:1px solid var(--line);margin-top:clamp(64px,9vh,96px);padding:40px 0;font-size:14px;color:var(--ink-2)}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

html,body{overflow-x:clip}

/* ─── mobile nav menu ─── */
.nav-burger{display:none;background:none;border:none;cursor:pointer;padding:12px 11px;margin-left:2px}
.nav-burger span{display:block;width:19px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:transform .25s,opacity .2s}
.navbar.open .nav-burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.navbar.open .nav-burger span:nth-child(2){opacity:0}
.navbar.open .nav-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:700px){
  .nav-burger{display:block}
  .navbar.open .nav-links{display:flex;flex-direction:column;gap:4px;position:absolute;top:calc(100% + 8px);left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-lg);padding:10px;max-width:none;white-space:normal;opacity:1;transform:none;pointer-events:auto;margin:0;z-index:70}
  .navbar.open .nav-links a{padding:11px 14px;border-radius:10px;color:var(--ink)}
  .navbar.open .nav-links a:active{background:var(--bg)}
}