/* Shared UI system: issimpleswapsafe.com — icy blue "Safety Layers" identity */
:root{
  --bg:#f4f8fd;
  --surface:#ffffff;
  --surface2:#eaf1fb;
  --navy:#0a1f3d;
  --navy2:#123568;
  --accent:#0f75fc;
  --accent-dark:#0044c9;
  --cyan:#0e7490;
  --warn:#b45309;
  --warn-tint:#fdf1e4;
  --green:#0f9d58;
  --ink:#0f2038;
  --ink2:#4a5b7c;
  --ink3:#7c8aa8;
  --line:#dbe5f3;
  --radius:14px;
  --shadow:0 14px 34px -20px rgba(10,31,61,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Poppins',system-ui,sans-serif;line-height:1.25;letter-spacing:-.01em;margin:0;color:var(--navy);font-weight:700}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

h1{font-size:clamp(1.9rem,3.6vw,2.6rem);font-weight:800;margin:0 0 14px}
h2{font-size:clamp(1.35rem,2.4vw,1.65rem);margin:0 0 10px}
h3{font-size:1rem;font-weight:700;margin:0 0 4px}
.lede{font-size:1.06rem;color:var(--ink2);line-height:1.65;margin:0}
.supporting{font-size:.93rem;color:var(--ink2);line-height:1.6;margin:0}
.label{font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3)}

.ti{width:18px;height:18px;display:inline-block;flex:none}
.ti svg{display:block;width:100%;height:100%}

.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-weight:700;padding:11px 20px;border-radius:999px;border:none;cursor:pointer;font-size:.92rem;font-family:'Inter',sans-serif}
.btn:hover{text-decoration:none;background:var(--accent-dark)}
.btn.ghost{background:#fff;color:var(--accent);border:1.4px solid var(--line)}
.btn.ghost:hover{background:var(--surface2)}
.pill-link{display:inline-flex;align-items:center;gap:6px;border:1.3px solid var(--line);color:var(--ink2);font-weight:600;font-size:.85rem;padding:8px 14px;border-radius:999px}
.pill-link:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;background:var(--surface2)}
.pill-link .ti{width:12px;height:12px}

.nav{position:sticky;top:0;z-index:50;background:rgba(244,248,253,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand .mark{width:32px;height:32px;border-radius:9px;background:var(--navy);display:grid;place-items:center;color:#fff;flex:none}
.brand .mark .ti{width:17px;height:17px}
.brandtext{font-weight:700;font-size:1rem;color:var(--navy);font-family:'Poppins',system-ui,sans-serif}
.navlinks{display:flex;gap:22px;align-items:center}
.navlinks a{color:var(--ink2);font-weight:600;font-size:.9rem}
.navlinks a:hover{color:var(--accent);text-decoration:none}
.navlinks a.on{color:var(--accent)}
.navcta{display:flex;align-items:center;gap:16px}
@media(max-width:780px){.navlinks{display:none}}

section{padding:52px 0}
.sec-head{max-width:68ch;margin:0 0 22px}
.sec-head p{color:var(--ink2);font-size:.97rem;margin:6px 0 0}

/* direct-answer callout: used right after H1/H2 questions */
.direct-answer{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:16px 20px}
.direct-answer p{margin:0;color:var(--ink2);font-size:.96rem;line-height:1.6}
.direct-answer strong{color:var(--navy)}

/* Safety Layers: stacked responsibility bands, not cards */
.layers{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.layer{display:grid;grid-template-columns:220px 1fr}
.layer+.layer{border-top:1px solid var(--line)}
@media(max-width:760px){.layer{grid-template-columns:1fr}}
.layer-label{padding:22px 24px;display:flex;flex-direction:column;justify-content:center;gap:5px}
.layer-label .tag{font-family:'Poppins',system-ui,sans-serif;font-weight:700;font-size:.68rem;text-transform:uppercase;letter-spacing:.09em}
.layer-label h3{margin:0;font-size:1.02rem}
.layer.service .layer-label{background:var(--navy)}
.layer.service .layer-label .tag{color:#9db8e6}
.layer.service .layer-label h3{color:#fff}
.layer.infra .layer-label{background:var(--accent)}
.layer.infra .layer-label .tag{color:#d7e8ff}
.layer.infra .layer-label h3{color:#fff}
.layer.user .layer-label{background:var(--surface2)}
.layer.user .layer-label .tag{color:var(--accent-dark)}
.layer.user .layer-label h3{color:var(--navy)}
.layer-body{background:var(--surface);padding:20px 24px;display:flex;flex-wrap:wrap;gap:18px 28px}
.layer-item{flex:1 1 200px;min-width:180px}
.layer-item h4{margin:0 0 4px;font-size:.9rem;color:var(--navy);font-weight:700}
.layer-item p{margin:0;font-size:.85rem;color:var(--ink2);line-height:1.5}


/* checklist strip */
.check-rail{display:grid;gap:0;border-top:1px solid var(--line)}
.check-rail li{list-style:none;display:grid;grid-template-columns:42px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.check-rail .n{width:34px;height:34px;border-radius:50%;background:var(--surface2);color:var(--accent-dark);font-family:'Poppins',system-ui,sans-serif;font-weight:700;font-size:1rem;display:grid;place-items:center}
.check-rail p{margin:0;color:var(--ink2);font-size:1.02rem;line-height:1.55}
.check-rail strong{color:var(--navy)}

/* wallet-to-wallet annotated journey */
.journey{display:flex;align-items:stretch;gap:0}
@media(max-width:820px){.journey{flex-direction:column}}
.jstep{flex:1;display:flex;flex-direction:column;gap:14px;padding:0 16px;position:relative}
.jstep:not(:last-child):after{content:"";position:absolute;top:27px;right:-14px;width:28px;height:1px;background:var(--line)}
@media(max-width:820px){.jstep:not(:last-child):after{display:none}.jstep{padding:0 0 24px;border-bottom:1px solid var(--line);margin-bottom:24px}}
.jstep .jtile{width:54px;height:54px;border-radius:14px;background:var(--surface2);color:var(--accent-dark);display:grid;place-items:center}
.jstep .jtile .ti{width:25px;height:25px}
.jstep h4{margin:0;font-size:1.04rem;color:var(--navy)}
.jstep p{margin:0;color:var(--ink2);font-size:.9rem;line-height:1.55}
.jstep .jtag{display:inline-flex;align-self:flex-start;font-family:'Poppins',system-ui,sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:4px 10px;border-radius:999px}
.jtag.service{background:var(--navy);color:#fff}
.jtag.infra{background:var(--accent);color:#fff}
.jtag.user{background:var(--surface2);color:var(--accent-dark)}

/* caution note, used sparingly */
.caution{display:flex;gap:12px;align-items:flex-start;background:var(--warn-tint);border-radius:10px;padding:14px 18px}
.caution .ti{color:var(--warn);width:18px;height:18px;margin-top:2px}
.caution p{margin:0;color:#7c4a12;font-size:.88rem;line-height:1.55}


.cta-block{background:var(--navy);border-radius:20px;padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta-block h2{margin:0 0 4px;color:#fff}
.cta-block p{margin:0;color:#b9c9e4;font-size:.92rem}
.cta-block .btn{background:#fff;color:var(--navy)}
.cta-block .btn:hover{background:var(--surface2)}

footer{background:var(--navy);color:#b9c9e4;padding:40px 0 24px;margin-top:8px}
.foot-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:22px}
footer .brand .mark{background:rgba(255,255,255,.14)}
footer .brandtext{color:#fff}
footer .navlinks a{color:#b9c9e4;font-weight:500}
footer .navlinks a:hover{color:#fff}
.foot-note{margin:0;font-size:.85rem;color:#8ea3c9;max-width:64ch;line-height:1.6}
.foot-note a{color:#cfe0f7;text-decoration:underline}
.fnote{border-top:1px solid rgba(255,255,255,.14);margin-top:18px;padding-top:14px;font-size:.78rem;color:#6d84ac}

/* ── promo identity: hero, code table, tiers ───────────────────────────── */
.hero{background:var(--navy);color:#fff;padding:54px 0 58px}
.hero h1{color:#fff;max-width:20ch}
.hero .lede{color:#b9c9e4;max-width:60ch}
.hero .label{color:#7fb0f5}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:28px}}

/* clickable code chip — shared by hero and table */
.ccode{display:inline-flex;align-items:center;gap:9px;font-family:'Poppins',system-ui,sans-serif;font-weight:700;letter-spacing:.06em;
  background:var(--surface2);color:var(--accent-dark);border:1.4px solid var(--line);border-radius:10px;
  padding:9px 14px;cursor:pointer;font-size:.95rem;line-height:1;transition:background .15s,border-color .15s}
.ccode:hover{background:#fff;border-color:var(--accent)}
.ccode .ti{width:15px;height:15px;color:var(--ink3)}
.ccode:hover .ti{color:var(--accent)}
.ccode.done{background:#e7f6ee;border-color:var(--green);color:#0b6b3d}
.ccode.done .ti{color:var(--green)}
.ccode .ccode-hint{font-family:'Inter',sans-serif;font-weight:600;letter-spacing:0;font-size:.74rem;color:var(--ink3)}
.ccode.done .ccode-hint{color:var(--green)}

/* hero variant on dark */
.hero-offer{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:24px 26px}
.hero-offer .label{color:#7fb0f5;margin-bottom:10px;display:block}
.hero-offer .ccode{background:#fff;border-color:#fff;color:var(--navy);font-size:1.32rem;padding:14px 18px;width:100%;justify-content:space-between}
.hero-offer .ccode:hover{background:var(--surface2)}
.hero-offer .ccode.done{background:#e7f6ee;border-color:#e7f6ee;color:#0b6b3d}
.hero-offer p{margin:12px 0 0;font-size:.88rem;color:#b9c9e4;line-height:1.55}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:24px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-family:'Poppins',system-ui,sans-serif;font-size:1.4rem;color:#fff;line-height:1.2}
.hero-stats span{font-size:.8rem;color:#8ea3c9}

/* promo code table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
table.codes{border-collapse:collapse;width:100%;min-width:560px;font-size:.93rem}
table.codes caption{text-align:left;padding:16px 20px 0;font-size:.88rem;color:var(--ink2)}
table.codes th,table.codes td{padding:13px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
table.codes thead th{font-family:'Poppins',system-ui,sans-serif;font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink3);font-weight:700;background:var(--surface2)}
table.codes tbody tr:last-child td{border-bottom:none}
table.codes tbody tr:hover{background:var(--surface2)}
table.codes td.asset{font-weight:600;color:var(--navy)}
table.codes td.disc{font-weight:700;color:var(--green);white-space:nowrap}
table.codes td.exp{color:var(--ink2);white-space:nowrap}

/* loyalty tiers */
table.tiers{border-collapse:collapse;width:100%;min-width:600px;font-size:.93rem}
table.tiers th,table.tiers td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.tiers thead th{font-family:'Poppins',system-ui,sans-serif;font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink3);font-weight:700;background:var(--surface2)}
table.tiers tbody tr:last-child td{border-bottom:none}
table.tiers td.tier{font-family:'Poppins',system-ui,sans-serif;font-weight:700;color:var(--navy);white-space:nowrap}
table.tiers td.tier .dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:9px}
.dot.bronze{background:#a9713b}.dot.silver{background:#9aa6b8}.dot.gold{background:#d4a017}.dot.platinum{background:#4b6ea8}

/* feature grid */
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.fcard .ftile{width:40px;height:40px;border-radius:11px;background:var(--surface2);color:var(--accent-dark);display:grid;place-items:center;margin-bottom:12px}
.fcard .ftile .ti{width:20px;height:20px}
.fcard h3{margin:0 0 6px;font-size:1rem}
.fcard p{margin:0;font-size:.89rem;color:var(--ink2);line-height:1.55}

/* faq */
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 20px;font-family:'Poppins',system-ui,sans-serif;font-weight:600;color:var(--navy);font-size:.98rem;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:1.3rem;color:var(--accent);font-weight:400;line-height:1;flex:none}
.faq-item[open] summary:after{content:"\2212"}
.faq-item .faq-body{padding:0 20px 18px;color:var(--ink2);font-size:.93rem;line-height:1.65}
.faq-item .faq-body p{margin:0 0 10px}
.faq-item .faq-body p:last-child{margin:0}

/* ── blog carousel: horizontal, snap, arrow nav ────────────────────────── */
.bcar{position:relative}
.bcar-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 18px}
.bcar-head .sec-head{margin:0}
.bcar-nav{display:flex;gap:8px;flex:none}
.bcar-btn{width:38px;height:38px;border-radius:50%;border:1.4px solid var(--line);background:var(--surface);color:var(--ink2);display:grid;place-items:center;cursor:pointer;padding:0}
.bcar-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--surface2)}
.bcar-btn:disabled{opacity:.35;cursor:default}
.bcar-btn .ti{width:16px;height:16px}
@media(max-width:620px){.bcar-nav{display:none}}

.bcar-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  padding:2px 2px 16px;margin:0 -2px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.bcar-track::-webkit-scrollbar{height:6px}
.bcar-track::-webkit-scrollbar-track{background:transparent}
.bcar-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.bcard{flex:0 0 302px;max-width:302px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
@media(max-width:400px){.bcard{flex-basis:262px;max-width:262px}}
.bcard-media{position:relative;display:block;aspect-ratio:800/406;background:var(--surface2);overflow:hidden}
.bcard-media img{width:100%;height:100%;object-fit:cover;display:block}
.bcard-tag{position:absolute;left:0;top:12px;background:var(--accent);color:#fff;font-family:'Poppins',system-ui,sans-serif;
  font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;padding:4px 10px 4px 8px;border-radius:0 6px 6px 0}
.bcard-body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.bcard-date{font-size:.72rem;color:var(--ink3);font-weight:600}
.bcard-body h3{margin:7px 0 0;font-size:.95rem;line-height:1.35}
.bcard-lead{margin:8px 0 0;font-size:.85rem;line-height:1.55;color:var(--ink2)}
.bcard-tell{margin:10px 0 0;font-size:.81rem;line-height:1.5;color:var(--ink2)}
.bcard-tell b{color:var(--navy)}
.bcard-link{margin-top:auto;padding-top:12px;font-size:.83rem;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.bcard-link .ti{width:13px;height:13px}

/* callout attached to the hero: tighter rhythm than a full section */
section.sec-tight{padding:32px 0 20px}
section.sec-tight+section{padding-top:28px}