/* Pure Alkaline - 2026 redesign. Brand blue #0474EF sampled from the logo artwork. */
:root{
  --navy-900:#06203F; --navy-800:#0B2C55; --blue-600:#0474EF; --blue-500:#3D95F5;
  --blue-050:#EAF4FE; --ice:#F3F8FD; --ink:#0F1B2D; --muted:#5A6B80; --line:#DCE5EF;
  --green:#12805C; --amber:#B4690E;
  --sh-sm:0 1px 2px rgba(9,30,66,.08),0 2px 8px rgba(9,30,66,.06);
  --sh-md:0 4px 12px rgba(9,30,66,.10),0 12px 32px rgba(9,30,66,.10);
  --sh-lg:0 12px 28px rgba(9,30,66,.14),0 32px 64px rgba(9,30,66,.14);
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:700}
p{margin:0}a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:16px}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-500)}
.sec-head{max-width:680px;margin:0 auto 40px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:17px}
section{padding:76px 0}
section.tint{background:var(--ice)}
:focus-visible{outline:3px solid var(--blue-500);outline-offset:2px;border-radius:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;font-size:15px;border-radius:10px;padding:13px 22px;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--blue-600);color:#fff}
.btn-primary:hover{filter:brightness(.92)}
.btn-ghost{background:#fff;color:var(--navy-800);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue-500);color:var(--blue-600)}
.btn-dark{background:var(--navy-800);color:#fff}
.btn-lg{padding:16px 30px;font-size:16.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-link{color:var(--blue-600);font-weight:600;font-size:14.5px;text-decoration:underline;text-underline-offset:3px}
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:28px;height:68px}
.logo img{height:34px;width:auto}
nav.main{display:flex;gap:24px;margin-left:auto;align-items:center}
nav.main a{font-size:14.5px;font-weight:550;opacity:.82}
nav.main a:hover{opacity:1;color:var(--blue-600)}
.menu-btn{display:none;margin-left:auto;padding:8px}
.hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:
  radial-gradient(900px 520px at 78% 18%,rgba(61,149,245,.42),transparent 62%),
  radial-gradient(700px 480px at 12% 92%,rgba(4,116,239,.28),transparent 60%),
  linear-gradient(160deg,var(--navy-900),var(--navy-800) 52%,var(--navy-900))}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:center;padding:66px 24px 74px}
.hero h1{font-size:clamp(34px,4.8vw,56px);letter-spacing:-.033em;margin:14px 0 16px}
.hero .support{font-size:18px;color:#C7DAF0;max-width:520px;margin-bottom:24px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.17);padding:8px 13px;border-radius:999px;color:#E6F0FB}
.hero-art{display:flex;justify-content:center}
.hero-art img{max-width:310px;filter:drop-shadow(0 26px 44px rgba(0,0,0,.48))}
.hero-bg{display:none}
.zip-card{background:rgba(255,255,255,.97);border-radius:16px;padding:20px;box-shadow:var(--sh-lg);max-width:492px;color:var(--ink)}
.zip-card .label{font-size:14px;font-weight:650;margin-bottom:4px}
.zip-card .hint{font-size:13px;color:var(--muted);margin-bottom:13px}
.zip-form{display:flex;gap:10px}
.zip-form input{flex:1;min-width:0;padding:14px 15px;border:1.5px solid var(--line);border-radius:10px;font-weight:550}
.zip-form input:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(61,149,245,.18)}
.zip-msg{margin-top:12px;font-size:14px;font-weight:600;color:#C63B37;display:none}
.zip-msg.on{display:block}
.zip-res{display:none}.zip-res.on{display:block}
.zip-ok{display:flex;gap:12px;align-items:flex-start;background:#EAF7F1;border:1px solid #BFE5D5;border-radius:12px;padding:14px 15px;margin-bottom:14px}
.zip-ok strong{display:block;font-size:15px;color:#0B6A4C}
.zip-ok span{font-size:13.5px;color:#2C6551}
.zip-no{background:#FFF6E8;border:1px solid #F2D9AC;border-radius:12px;padding:14px 15px;margin-bottom:14px}
.zip-no strong{display:block;font-size:15px;color:var(--amber);margin-bottom:3px}
.zip-no span{font-size:13.5px;color:#7A5312}
.zip-no .row{display:flex;gap:8px;margin-top:11px}
.zip-no input{flex:1;padding:11px 13px;border:1.5px solid #E7D3AE;border-radius:9px;background:#fff}
.reset-zip{font-size:12.5px;color:var(--muted);text-decoration:underline}
.spin{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 0;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--navy-800)}
.trust-item svg{flex:none;color:var(--blue-600)}
.trust-item .sub{display:block;font-size:11.5px;color:var(--muted);font-weight:500}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:26px 22px 24px;position:relative;transition:.2s}
.plan:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.plan.pop{border-color:var(--navy-800);box-shadow:var(--sh-md);padding-top:34px}
.pop-tag{position:absolute;top:-1px;left:-1px;right:-1px;background:var(--navy-800);color:#fff;font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase;text-align:center;padding:7px;border-radius:15px 15px 0 0}
.plan .qty{font-size:20px;font-weight:700}
.plan .gal{font-size:13.5px;color:var(--muted)}
.plan .price{display:flex;align-items:baseline;gap:5px;margin:16px 0 3px}
.plan .price b{font-size:42px;letter-spacing:-.035em;line-height:1}
.plan .price span{font-size:15px;color:var(--muted);font-weight:600}
.plan .per{font-size:12.5px;color:var(--muted)}
.plan ul{list-style:none;margin:14px 0 20px;padding:0;display:grid;gap:8px}
.plan li{display:flex;gap:9px;font-size:14px;align-items:flex-start}
.plan li svg{flex:none;margin-top:4px;color:var(--green)}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step3{text-align:center}
.step3 .ic{width:60px;height:60px;border-radius:16px;background:#fff;border:1.5px solid var(--line);color:var(--blue-600);display:grid;place-items:center;margin:0 auto 16px;box-shadow:var(--sh-sm)}
.step3 b{font-size:17px;display:block;margin-bottom:7px}
.step3 p{font-size:14.5px;color:var(--muted)}
.prose{max-width:760px;margin:0 auto;font-size:17px;color:#26374C}
.prose p+p{margin-top:16px}
.ziplist{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:820px;margin:0 auto}
.zipchip{background:#fff;border:1.5px solid var(--line);border-radius:8px;padding:7px 13px;font-size:14px;font-weight:600;color:var(--navy-800)}
.arealinks{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.arealinks a{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14.5px;font-weight:600;color:var(--navy-800);transition:.15s}
.arealinks a:hover{border-color:var(--blue-500);color:var(--blue-600)}
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 44px 20px 0;font-size:16.5px;font-weight:650;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';position:absolute;right:8px;top:26px;width:9px;height:9px;border-right:2.2px solid var(--muted);border-bottom:2.2px solid var(--muted);transform:rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:30px}
.faq details[open] summary{color:var(--blue-600)}
.faq .ans{padding:0 40px 22px 0;color:var(--muted);font-size:15.5px}
.final{background:linear-gradient(155deg,var(--navy-800),var(--navy-900));color:#fff;border-radius:18px;padding:44px;display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.final h3{font-size:30px;margin-bottom:14px}
.final ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.final li{display:flex;gap:10px;font-size:15px;color:#D6E5F5;align-items:center}
.final li svg{color:#6FD3AA;flex:none}
.final .act{margin-left:auto;text-align:center}
.final .act .ph{font-size:13.5px;color:#9FBBDA;margin-top:12px}
footer{background:var(--navy-900);color:#8FA9C6;padding:52px 0 34px;font-size:14px}
footer h4{color:#fff;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.foot-grid a{display:block;padding:3px 0;color:#8FA9C6}
.foot-grid a:hover{color:#fff}
.foot-areas{columns:2;column-gap:20px}
.foot-bot{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(6,32,63,.97);backdrop-filter:blur(10px);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:none;align-items:center;gap:12px}
.sticky .txt{color:#CFE0F2;font-size:12.5px;line-height:1.35;font-weight:600}
.sticky .txt b{color:#fff;display:block;font-size:13.5px}
.sticky .btn{margin-left:auto;padding:12px 18px}
.drawer{position:fixed;inset:0;z-index:90;background:rgba(6,20,38,.5);display:none}
.drawer.on{display:block}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(300px,84vw);background:#fff;padding:22px;display:flex;flex-direction:column;gap:4px}
.drawer-panel a{padding:14px 6px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.drawer-panel .btn{margin-top:18px}
.drawer-close{align-self:flex-end;padding:6px;color:var(--muted);margin-bottom:8px}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;padding:26px 24px 44px;gap:14px}
  .hero .eyebrow{font-size:11px;letter-spacing:.10em}
  .hero .support{font-size:16px;max-width:none;margin-bottom:18px}
  .hero h1{margin:10px 0 12px}
  .hero-art{display:none}
  .hero.has-art .hero-bg{display:block;position:absolute;top:0;right:-56px;bottom:0;width:62%;
    background-repeat:no-repeat;background-position:right 18%;background-size:auto 74%;opacity:.30;pointer-events:none;
    -webkit-mask-image:linear-gradient(to left,#000 40%,transparent);mask-image:linear-gradient(to left,#000 40%,transparent)}
  nav.main{display:none}.hdr>.btn{display:none}.menu-btn{display:block}
  .plans{grid-template-columns:1fr;gap:16px}.plan.pop{order:-1}
  .steps3{grid-template-columns:1fr;gap:30px}
  .final{padding:32px 24px}.final .act{margin-left:0;width:100%}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .sticky{display:flex}body{padding-bottom:74px}
  section{padding:56px 0}
  .zip-card{max-width:none}
}
@media (max-width:560px){.zip-form{flex-direction:column}.foot-grid{grid-template-columns:1fr}.final .act .btn{width:100%}}

/* ---------- signup funnel ---------- */
.co-ov{position:fixed;inset:0;z-index:100;background:rgba(6,20,38,.55);display:none;overflow-y:auto}
.co-ov.on{display:block}
.co{min-height:100%;background:var(--ice);display:flex;flex-direction:column}
.co-top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.co-top-in{display:flex;align-items:center;gap:16px;height:64px}
.co-close{margin-left:auto;color:var(--muted);padding:8px;font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:6px}
.prog{display:flex;gap:6px;padding:14px 0 0}
.pstep{flex:1;text-align:center}
.pbar{height:4px;border-radius:3px;background:var(--line);margin-bottom:7px;transition:.25s}
.pstep.done .pbar,.pstep.now .pbar{background:var(--blue-600)}
.pstep .plbl{font-size:11px;font-weight:650;color:var(--muted)}
.pstep.now .plbl{color:var(--blue-600)}
.pstep.done .plbl{color:var(--navy-800)}
.co-body{flex:1;padding:34px 0 60px}
.co-grid{display:grid;grid-template-columns:1fr 336px;gap:30px;align-items:start}
.pd-grid{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:34px;align-items:start}
.card{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--sh-sm)}
.card h3{font-size:23px;margin-bottom:7px}
.card .lede{color:var(--muted);font-size:15px;margin-bottom:22px}
.pane{display:none}.pane.on{display:block}
.cadtabs{display:inline-flex;background:var(--ice);border:1.5px solid var(--line);border-radius:10px;padding:4px;gap:4px;margin-bottom:18px}
.cadtabs button{padding:8px 16px;border-radius:7px;font-size:14px;font-weight:650;color:var(--muted)}
.cadtabs button.on{background:#fff;color:var(--blue-600);box-shadow:var(--sh-sm)}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.choice{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;background:#fff;margin-bottom:11px;transition:.15s}
.choice.compact{margin-bottom:0}
.choice:hover{border-color:var(--blue-500);background:#FAFCFF}
.choice.sel{border-color:var(--blue-600);background:var(--blue-050);box-shadow:0 0 0 1px var(--blue-600) inset}
.radio{width:19px;height:19px;border-radius:50%;border:2px solid var(--line);flex:none;display:grid;place-items:center}
.choice.sel .radio{border-color:var(--blue-600)}
.choice.sel .radio::after{content:'';width:9px;height:9px;border-radius:50%;background:var(--blue-600)}
.choice .cmain{flex:1;min-width:0}
.choice .ct{font-size:15px;font-weight:650;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.choice .cs{font-size:12.5px;color:var(--muted);margin-top:1px}
.choice .cp{font-size:15px;font-weight:700;white-space:nowrap}
.choice .cp small{display:block;font-size:11px;color:var(--muted);font-weight:600;text-align:right}
.cg{font-weight:550;color:var(--muted);font-size:13px}
.tag{font-size:10.5px;font-weight:750;letter-spacing:.09em;text-transform:uppercase;background:var(--navy-800);color:#fff;padding:3px 8px;border-radius:5px}
.nav-row{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.nav-row .back{color:var(--muted);font-weight:600;font-size:14.5px;padding:10px 4px}
.nav-row .btn{margin-left:auto}
.summary{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:24px;position:sticky;top:96px;box-shadow:var(--sh-sm)}
.summary h4{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.srow{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;padding:9px 0;border-bottom:1px dashed var(--line)}
.srow .k{color:var(--muted)}.srow .v{font-weight:600;text-align:right}
.srow.empty .v{color:#AEBACA;font-weight:500}
.stot{display:flex;justify-content:space-between;align-items:baseline;margin-top:16px;padding-top:16px;border-top:2px solid var(--ink)}
.stot .k{font-weight:700;font-size:15px}
.stot .v b{font-size:26px}.stot .v span{font-size:13px;color:var(--muted);font-weight:600}
.sfoot{margin-top:14px;font-size:12.5px;color:var(--muted)}
.sguar{display:flex;gap:9px;align-items:flex-start;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.sguar svg{flex:none;color:var(--green);margin-top:1px}
.note{display:flex;gap:10px;align-items:flex-start;background:#F1F7FF;border:1px solid #CFE2F8;border-radius:11px;padding:13px 15px;font-size:13px;color:#2C4A6B;margin-bottom:18px}
.note svg{flex:none;margin-top:2px;color:var(--blue-600)}
@media (max-width:960px){.co-grid{grid-template-columns:1fr}.pd-grid{grid-template-columns:1fr}.summary{position:static}.choice-grid{grid-template-columns:1fr}.prog .plbl{display:none}.card{padding:22px 18px}}