:root {
  --bg: #ffffff;
  --bg2: #f2f5f8;
  --panel: #ffffff;
  --line: #dbe3ea;
  --text: #102030;
  --mute: #5b6b7b;
  --cu: #c96f2e;
  --cu2: #d9823f;
  --cy: #1677c9;
  --ink: #0e141b;
  --ink2: #4a5867;
  --paper: #f4f6f8;
  --edge: #d5dce3;
  --ok: #19a463;
  --err: #d64545;
  --cond: "Barlow Condensed", "Arial Narrow", sans-serif;
  --mono: "Barlow Condensed", "Arial Narrow", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Barlow", system-ui, sans-serif; font-size: 17px; color: var(--text); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 800px; }
h1, h2, h3 { font-family: var(--cond); line-height: 1.02; letter-spacing: .005em; margin: 0 0 .45em; font-weight: 800; }
h2 { font-size: clamp(32px, 4.2vw, 50px); text-transform: uppercase; }
h3 { font-size: 22px; font-weight: 700; letter-spacing: .01em; }
p { margin: 0 0 1em; }
a { color: var(--cy); }
.mono { font-family: var(--mono); }
.cu { color: var(--cu2); }
.cy { color: var(--cy); }
.tag { font-family: var(--cond); font-weight: 700; font-size: 17px; color: var(--cu2); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.center { text-align: center; }
.sub { color: var(--mute); }
.led { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px #19a46330, 0 0 10px #19a463; margin-right: 8px; vertical-align: 1px; animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { opacity: .45; } }

/* header */
.top { background: #ffffff; border-bottom: 1px solid var(--line); position: relative; z-index: 3; }
.top::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: linear-gradient(90deg, var(--cu), var(--cu2) 30%, transparent 30%, transparent 70%, var(--cy) 70%); opacity: .8; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.word { font-family: var(--cond); font-size: 27px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; line-height: .95; }
.word b { color: var(--cu2); font-weight: 800; }
.word small { display: block; font-family: var(--cond); font-size: 13px; font-weight: 600; letter-spacing: .16em; color: var(--mute); margin-top: 4px; }
.top-note { font-family: var(--cond); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: 15px; color: var(--mute); }

/* hero */
.hero { position: relative; overflow: hidden; padding: 56px 0 72px;
  background:
    linear-gradient(#1677c912 1px, transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg, #1677c912 1px, transparent 1px) 0 0/32px 32px,
    radial-gradient(800px 500px at 10% 0%, #dcebf8 0%, transparent 70%),
    radial-gradient(700px 500px at 100% 100%, #fbe6d4 0%, transparent 65%),
    var(--bg); }
.fan-bg { position: absolute; width: 760px; height: 760px; left: -230px; top: 70px; color: #1677c9; opacity: .07; pointer-events: none; }
.spin { transform-origin: 100px 100px; animation: spin 9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr 1fr; gap: 54px; align-items: start; }
.hero h1 { font-size: clamp(42px, 4.9vw, 64px); text-transform: uppercase; margin-top: 6px; }
.hero h1 .cu { display: block; background: linear-gradient(90deg, var(--cu2), var(--cu)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 19px; color: #3d4c5b; max-width: 33em; }
.hero .lead strong { color: var(--text); }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 11px; }
.checks li { position: relative; padding-left: 34px; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 5px; border: 1.5px solid var(--cu); background: #d9823f1f url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23c96f2e' stroke-width='3' d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat; }
.gauges { display: flex; gap: 26px; margin-top: 34px; }
.gauge { margin: 0; width: 118px; text-align: center; }
.gauge svg { width: 118px; height: 118px; display: block; filter: drop-shadow(0 8px 14px #0f1b2640); }
.gauge .rim { stroke: #0006; stroke-width: 1.5; }
.gauge.lo .rim { fill: #1d6fc0; } .gauge.hi .rim { fill: #c7402c; }
.gauge .face { fill: #f2f4f5; }
.gauge .arc { fill: none; stroke-width: 5; opacity: .85; }
.gauge .ticks { fill: none; stroke: #2a3138; stroke-width: 6; stroke-dasharray: .22 2.78; }
.gauge text { font-family: var(--cond); font-weight: 700; font-size: 11px; fill: #4a5560; text-anchor: middle; letter-spacing: .1em; }
.gauge .needle path { fill: #d22f22; }
.gauge .hub { fill: #1b2229; stroke: #9aa6b1; stroke-width: 1.5; }
.gauge.lo .needle { animation: lo 3.2s ease-in-out infinite alternate; }
.gauge.hi .needle { animation: hi 2.6s ease-in-out infinite alternate; }
@keyframes lo { from { transform: rotate(-58deg); } to { transform: rotate(-36deg); } }
@keyframes hi { from { transform: rotate(38deg); } to { transform: rotate(62deg); } }
.gauge figcaption { font-family: var(--cond); font-weight: 700; font-size: 15px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-top: 8px; }

/* form card */
.card { position: relative; background: var(--paper); color: var(--ink); border-radius: 14px; box-shadow: 0 24px 60px #0f1b2630, 0 0 0 1px #0f1b2614; overflow: hidden; scroll-margin-top: 16px; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--cu), var(--cu2), var(--cy)); }
.card-head { font-family: var(--cond); font-weight: 700; font-size: 15px !important; display: flex; justify-content: space-between; align-items: center; background: var(--ink); color: #c9d4de; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; padding: 14px 22px 12px; }
.progress { height: 5px; background: #1c2733; }
.progress span { display: block; height: 100%; width: 20%; background: linear-gradient(90deg, var(--cu), var(--cu2)); transition: width .35s ease; }
.card-body { padding: 20px 22px 24px; }
.back { background: none; border: 0; color: #2a7fa0; font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; padding: 0 0 8px; }
.step { display: none; border: 0; padding: 0; margin: 0; min-width: 0; }
.step.active { display: block; animation: in .25s ease; }
@keyframes in { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
legend { font-family: var(--cond); font-size: 30px; font-weight: 800; text-transform: uppercase; line-height: 1.05; margin-bottom: 14px; padding: 0; color: var(--ink); }
.card .sub { color: var(--ink2); margin-top: -6px; font-size: 15.5px; }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tiles.one { grid-template-columns: 1fr; }
.tiles button { display: flex; align-items: center; gap: 11px; text-align: left; font: inherit; font-weight: 700; font-size: 16px; line-height: 1.25; color: var(--ink); background: #fff; border: 1.5px solid var(--edge); border-radius: 9px; padding: 14px; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .1s; min-height: 62px; }
.tiles button:hover { border-color: var(--cu); box-shadow: 0 0 0 3px #d9823f22; }
.tiles button:active { transform: scale(.98); }
.tiles button.sel { border-color: var(--cu); background: #fff6ee; }
.field { display: block; margin-bottom: 12px; flex: 1; }
.field span { display: block; font-family: var(--cond); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink2); margin-bottom: 6px; }
.field input { width: 100%; font: inherit; font-size: 17px; padding: 13px 14px; border: 1.5px solid var(--edge); border-radius: 9px; color: var(--ink); background: #fff; }
.field input:focus { outline: none; border-color: var(--cu); box-shadow: 0 0 0 4px #d9823f26; }
.field input.bad { border-color: var(--err); }
.field.small { flex: 0 0 84px; }
.field.zipf { flex: 0 0 104px; }
.row { display: flex; gap: 10px; }
.next { width: 100%; margin-top: 6px; font-family: var(--cond); font-size: 22px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: #fff; background: var(--ink); border: 0; border-radius: 9px; padding: 15px; cursor: pointer; }
.next:hover { background: #1d2a36; }
.next.go { background: linear-gradient(180deg, #e8914c, #c86c2b); box-shadow: 0 10px 24px #c86c2b55, inset 0 1px 0 #ffffff40; }
.next.go:hover { filter: brightness(1.06); }
.next[disabled] { opacity: .6; cursor: wait; }
.err { color: var(--err); font-size: 14.5px; font-weight: 600; margin: 4px 0 6px; }
.err:empty { display: none; }
.ok { color: var(--ok); font-size: 14.5px; font-weight: 700; margin: -4px 0 8px; }
.ok button { font: inherit; color: #2a7fa0; background: none; border: 0; text-decoration: underline; cursor: pointer; padding: 0; }
.hint { background: #e8eef3; border-radius: 8px; padding: 10px 12px; font-size: 14.5px; margin-top: 12px; color: var(--ink); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 11.5px; line-height: 1.45; color: var(--ink2); margin: 6px 0 8px; cursor: pointer; }
.consent a { color: #2a7fa0; }
.consent input { margin-top: 2px; width: 18px; height: 18px; flex: 0 0 18px; accent-color: var(--cu); }
.lock { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 13px; color: var(--ink2); margin: 12px 0 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* tile icons */
.ic { display: inline-block; width: 30px; height: 30px; flex: 0 0 30px; border-radius: 7px; background: var(--ink); position: relative; }
.ic::after { content: ""; position: absolute; inset: 6px; background: var(--c, var(--cy)); -webkit-mask: var(--m) center/contain no-repeat; mask: var(--m) center/contain no-repeat; }
.ic-swap { --c: var(--cu2); --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M4 8h14l-4-4M20 16H6l4 4'/%3E%3C/svg%3E"); }
.ic-new { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M12 4v16M4 12h16'/%3E%3C/svg%3E"); }
.ic-hp { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.6' stroke-linecap='round'%3E%3Cpath d='M4 12a8 8 0 0 1 14-5.3M20 12a8 8 0 0 1-14 5.3M18 3v4h-4M6 21v-4h4'/%3E%3C/svg%3E"); }
.ic-mini { --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round'%3E%3Crect x='2' y='5' width='20' height='8' rx='2'/%3E%3Cpath d='M7 17c1 1.5 1 3 0 4.5M12 17c1 1.5 1 3 0 4.5M17 17c1 1.5 1 3 0 4.5'/%3E%3C/svg%3E"); }
.ic-tune { --c: #9fb0c0; --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M22 19l-8.4-8.4A6 6 0 0 0 6.1 2.6l3.6 3.6-3.5 3.5-3.6-3.6a6 6 0 0 0 8 7.5L19 22z'/%3E%3C/svg%3E"); }
.ic-q { --c: #9fb0c0; --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.8' stroke-linecap='round'%3E%3Cpath d='M9 9a3 3 0 1 1 4 2.8c-.7.3-1 1-1 1.7V15M12 19h.01'/%3E%3C/svg%3E"); }
.ic-urgent { --c: var(--cu2); --m: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M13 2 4 14h7l-1 8 9-12h-7z'/%3E%3C/svg%3E"); }

/* spec strip */
section { padding: 84px 0; }
.spec { padding: 0; background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.spec-grid div { padding: 22px 20px; border-left: 1px solid var(--line); }
.spec-grid div:first-child { border-left: 0; }
.spec-grid .k { display: block; font-family: var(--cond); font-weight: 700; font-size: 15px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-bottom: 4px; }
.spec-grid b { font-family: var(--cond); font-size: 44px; font-weight: 800; line-height: 1; color: var(--text); }

/* systems */
.systems { background: var(--bg); }
.sys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 30px; }
.sys article { background: var(--panel); padding: 26px; position: relative; transition: background .2s; }
.sys article:hover { background: #f7fafc; }
.art { width: 120px; height: 80px; margin-bottom: 14px; fill: none; stroke: var(--cy); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.art .fill { fill: var(--cy); stroke: none; }
.art .cuf { fill: var(--cu2); }
.art .cu-s { stroke: var(--cu2); stroke-width: 3; }
.art .cy-s { stroke: var(--cy); opacity: .7; }
.sys p { color: var(--mute); margin: 0; }

/* blueprint */
.blueprint { background: var(--bg2); border-top: 1px solid var(--line); }
.bp-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; }
.parts { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 4px; }
.parts li { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.parts b { font-family: var(--cond); color: var(--cu2); font-size: 22px; font-weight: 800; line-height: 1; padding-top: 1px; }
.parts h3 { font-size: 20px; margin-bottom: 2px; }
.parts p { color: var(--mute); margin: 0; font-size: 16px; }
.bp-art { border: 1px solid #0f2a44; border-radius: 12px; background: #0f2a44; box-shadow: 0 18px 40px #0f2a4433; padding: 14px; }
.bp-art svg { width: 100%; height: auto; display: block; }
.ln { fill: none; stroke: #9fd4ee; stroke-width: 2; stroke-linejoin: round; opacity: .85; }
.ln .duct { stroke: #8fa1b3; stroke-width: 7; opacity: .35; }
.bp-art .fill { fill: #5fd0f5; }
.spin2 { animation: spin 4s linear infinite; }
.cu-line { fill: none; stroke: var(--cu); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 10 8; animation: flow 1.2s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -18; } }
.air path { fill: none; stroke: #5fd0f5; stroke-width: 2.5; stroke-linecap: round; animation: air 2s ease-in-out infinite; }
.air path:nth-child(2) { animation-delay: .4s; } .air path:nth-child(3) { animation-delay: .8s; }
@keyframes air { 0%, 100% { opacity: .15; transform: translateY(-4px); } 50% { opacity: 1; transform: translateY(4px); } }
.pin circle { fill: var(--cu2); stroke: #0f2a44; stroke-width: 3; }
.pin text { fill: #fff; font-family: var(--cond); font-size: 13px; font-weight: 700; text-anchor: middle; }

/* signs */
.signs-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; align-items: center; }
.checks.two { grid-template-columns: 1fr 1fr; margin: 0; gap: 16px 28px; }
.checks.two li { font-weight: 600; color: var(--text); padding: 16px 16px 16px 50px; box-shadow: 0 4px 14px #0f1b260b; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.checks.two li::before { left: 16px; top: 17px; border-color: var(--cy); background-color: #1677c914; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%231677c9' stroke-width='3' d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E"); }

/* how */
.how { background: var(--bg2); border-top: 1px solid var(--line); }
.how h2 { text-align: center; margin-bottom: 36px; }
.steps3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: s; }
.steps3 > div { position: relative; box-shadow: 0 6px 18px #0f1b260d; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.steps3 > div:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -23px; width: 23px; height: 2px; background: repeating-linear-gradient(90deg, var(--cu) 0 6px, transparent 6px 10px); }
.n { display: inline-block; font-family: var(--cond); font-size: 17px; font-weight: 700; color: var(--bg); background: var(--cu2); padding: 4px 9px; border-radius: 5px; margin-bottom: 16px; }
.steps3 p { color: var(--mute); margin: 0; }

/* promise */
.promise { padding: 84px 0 0; background: var(--bg); }
.promise-box { display: flex; gap: 24px; align-items: flex-start; color: #fff; background: linear-gradient(120deg, #13283b, #1b3a55); border: 0; border-radius: 14px; padding: 36px; }
.promise-ic { color: #f0a15e; flex: 0 0 auto; background: #d9823f1f; border: 1px solid #d9823f55; border-radius: 12px; padding: 12px; display: grid; }
.promise-box h2 { font-size: clamp(28px, 3.4vw, 40px); }
.promise-box p { color: #d4e0ea; margin: 0; font-size: 18px; }

/* faq */
.faq { background: var(--bg); }
.faq h2 { text-align: center; margin-bottom: 30px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; padding: 0 20px; }
details[open] { border-color: #b7c4d0; box-shadow: 0 6px 18px #0f1b2610; }
summary { cursor: pointer; font-weight: 700; font-size: 18px; padding: 18px 30px 18px 0; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-family: var(--cond); font-size: 28px; color: var(--cu2); }
details[open] summary::after { content: "\2212"; }
details p { color: var(--mute); }

/* final */
.final { text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(#ffffff0a 1px, transparent 1px) 0 0/32px 32px, linear-gradient(90deg, #ffffff0a 1px, transparent 1px) 0 0/32px 32px, linear-gradient(120deg, #b8602a, #d9823f 45%, #1d4e63 100%); color: #fff; }
.final h2 { max-width: 16em; margin-left: auto; margin-right: auto; }
.final p { font-size: 19px; color: #fff; opacity: .92; }
.btn { display: inline-block; background: var(--ink); color: #fff; font-family: var(--cond); font-weight: 800; font-size: 22px; letter-spacing: .04em; text-transform: uppercase; padding: 16px 34px; border-radius: 9px; text-decoration: none; box-shadow: 0 12px 28px #0006; }
.btn:hover { background: #000; }

footer { background: #102030; color: #9fb0c0; padding: 42px 0 30px; font-size: 14px; border-top: 1px solid var(--line); }
.foot-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
footer .logo { color: #fff; }
footer .word { font-size: 23px; }
footer nav { display: flex; gap: 20px; }
footer nav a { color: #c3cfdb; text-decoration: none; font-weight: 600; }
.disclose { max-width: 920px; }
.copy { margin: 0; color: #5d6d7d; }

/* legal + thank you pages */
.page { padding: 56px 0 80px; background: var(--bg); }
.page h1 { font-size: 46px; text-transform: uppercase; }
.page h2 { font-size: 24px; margin-top: 30px; text-transform: none; }
.page p, .page li { color: #3d4c5b; }
.updated { color: var(--mute); font-size: 14px; }
.thanks { text-align: center; max-width: 660px; }
.thanks .big { width: 88px; height: 88px; border-radius: 16px; background: #19a4631a; border: 1px solid #19a46366; color: #15904f; display: grid; place-items: center; margin: 0 auto 20px; }
.thanks ol { text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 22px 22px 22px 44px; }
.thanks li { margin-bottom: 10px; }
.thanks li b { color: var(--text); }

@media (max-width: 960px) {
  section { padding: 60px 0; }
  .hero { padding: 22px 0 44px; }
  .hero-grid { grid-template-columns: 1fr; gap: 22px; }
  .hero-copy .checks, .gauges, .hero .tag { display: none; }
  .hero h1 { font-size: 37px; }
  .hero .lead { font-size: 16.5px; margin-bottom: 0; }
  .fan-bg { width: 520px; height: 520px; left: auto; right: -260px; top: -80px; }
  .sys, .steps3, .bp-grid, .signs-grid { grid-template-columns: 1fr; }
  .steps3 > div::after { display: none; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .spec-grid div:nth-child(3) { border-left: 0; }
  .spec-grid div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .checks.two { grid-template-columns: 1fr; }
  .top-note { display: none; }
  .promise-box { flex-direction: column; padding: 26px; }
  legend { font-size: 27px; }
}
@media (max-width: 430px) {
  .tiles { grid-template-columns: 1fr; }
  .tiles button { min-height: 54px; padding: 12px 14px; }
  .word { font-size: 23px; }
  .spec-grid b { font-size: 24px; }
}
