/* Layout: one short page, seven bands alternating indigo night and cold linen, ending on an amber call to action. SWA engine diagram is the signature. */
:root {
  --bg: #111233;        /* indigo night */
  --bg-deep: #0C0D27;
  --surface: #1B1D4A;
  --line: #34377A;
  --fg: #F2F1FA;
  --muted: #B0AFD3;
  --amber: #FFB224;     /* signal */
  --sky: #6FD0FF;
  --mint: #7FE3B8;
  --lilac: #B9B6F0;
  --on-amber: #15122B;
  --lin: #F2F1FA;       /* cold linen bands */
  --lin-card: #FFFFFF;
  --lin-ink: #111233;
  --lin-muted: #4D4F7E;
  --lin-line: #DAD8EE;
  --display: "Bricolage Grotesque", "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap: 1200px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 16px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.band { padding-block: clamp(72px, 10vw, 128px); }
.lin { background: var(--lin); color: var(--lin-ink); }
.eyebrow { font: 500 12px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.lin .eyebrow { color: var(--lin-muted); }
.h2 { font: 700 clamp(32px, 4.6vw, 56px)/1.02 var(--display); letter-spacing: -.035em; max-width: 20ch; margin-top: 14px; }
.sub { margin-top: 16px; color: var(--muted); font-size: clamp(16px, 1.5vw, 18px); max-width: 52ch; }
.lin .sub { color: var(--lin-muted); }
.skip { position: absolute; left: 12px; top: -60px; background: var(--amber); color: var(--on-amber); padding: 10px 14px; border-radius: 8px; z-index: 100; font-weight: 600; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
.lin :focus-visible { outline-color: var(--lin-ink); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; font: 600 15px/1 var(--body); padding: 15px 20px; border-radius: 999px; background: var(--amber); color: var(--on-amber); text-decoration: none; border: 0; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 28px -10px rgb(255 178 36 / .7); }
.btn .arr { transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(3px); }
.btn.sm { padding: 10px 15px; font-size: 14px; }
.btn.dark { background: var(--bg); color: var(--fg); }
.btn.dark:hover { box-shadow: 0 10px 28px -10px rgb(17 18 51 / .7); }
.link { font: 500 15px/1 var(--body); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 4px; transition: border-color .2s; }
.link:hover { border-color: var(--amber); }

/* header */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: rgb(17 18 51 / .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid rgb(52 55 122 / .7); }
.top .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { font: 700 18px/1 var(--display); letter-spacing: .03em; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo::before { content: ""; width: 11px; height: 11px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgb(255 178 36 / .2); }
.nav { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; }
.nav a { text-decoration: none; color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--fg); }
.lang { font: 500 12.5px/1 var(--mono); letter-spacing: .06em; color: var(--muted); text-decoration: none; padding: 7px 9px; border: 1px solid var(--line); border-radius: 999px; }
.lang:hover { color: var(--fg); border-color: var(--muted); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--fg); border-radius: 999px; font: 500 13px/1 var(--body); padding: 9px 13px; cursor: pointer; }
@media (max-width: 900px) {
  .top .wrap { gap: 10px; height: 62px; }
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; inset: 62px 0 auto; flex-direction: column; gap: 0; margin: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 6px max(20px, env(safe-area-inset-right, 0px)) 14px max(20px, env(safe-area-inset-left, 0px)); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgb(52 55 122 / .6); color: var(--fg); font-size: 17px; }
  .lang { margin-left: auto; }
  .top .btn.sm { display: none; }
}

/* hero */
.hero { padding-block: clamp(64px, 9vw, 120px) clamp(64px, 8vw, 110px); position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; width: 900px; height: 900px; right: -320px; top: -360px; border-radius: 50%; background: radial-gradient(circle, rgb(255 178 36 / .10), transparent 60%); pointer-events: none; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: center; position: relative; z-index: 1; }
.hero h1 { margin-top: 20px; font: 700 clamp(44px, 7.2vw, 96px)/.95 var(--display); letter-spacing: -.045em; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero .sub { margin-top: 24px; max-width: 40ch; font-size: clamp(17px, 1.6vw, 20px); }
.ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 36px; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }

.scope { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 24px 24px 28px; display: grid; gap: 18px; position: relative; overflow: hidden; box-shadow: 0 40px 80px -40px rgb(0 0 0 / .6); }
.scope .hd { display: flex; justify-content: space-between; font: 500 11.5px/1 var(--mono); color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
.scope .hd b { color: var(--amber); font-weight: 500; }
.scope .hd { margin-bottom: 4px; flex-wrap: wrap; gap: 8px 16px; }
.sig { display: grid; grid-template-columns: 124px minmax(0, 1fr); align-items: center; gap: 16px; font: 500 12.5px/1.3 var(--mono); }
.sig span { overflow-wrap: break-word; }
.wave { height: 34px; background: repeating-linear-gradient(90deg, var(--c) 0 2px, transparent 2px 8px); opacity: .9; -webkit-mask: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent); mask: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent); }
.w1 { --c: var(--sky); clip-path: polygon(0 60%, 10% 30%, 22% 70%, 35% 20%, 48% 55%, 60% 35%, 74% 80%, 86% 40%, 100% 55%, 100% 100%, 0 100%); }
.w2 { --c: var(--mint); clip-path: polygon(0 40%, 14% 70%, 26% 25%, 40% 60%, 52% 15%, 66% 50%, 78% 30%, 90% 70%, 100% 45%, 100% 100%, 0 100%); }
.w3 { --c: var(--amber); clip-path: polygon(0 70%, 12% 45%, 24% 60%, 38% 25%, 50% 65%, 62% 20%, 76% 55%, 88% 35%, 100% 60%, 100% 100%, 0 100%); }
.scan { position: absolute; top: 62px; bottom: 24px; width: 2px; left: calc(24px + 124px + 16px + 4%); background: linear-gradient(var(--fg), transparent); opacity: .55; animation: scan 5s ease-in-out infinite alternate; }
@keyframes scan { to { left: calc(100% - 30px); } }

/* problem */
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
@media (max-width: 1000px) { .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid4 { grid-template-columns: 1fr; } }
.pain { background: var(--lin-card); border: 1px solid var(--lin-line); border-radius: 18px; padding: 22px; display: grid; gap: 10px; align-content: start; transition: transform .25s ease, box-shadow .25s ease; }
.pain:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgb(17 18 51 / .45); }
.pain svg { width: 100%; height: 76px; margin-bottom: 8px; }
.pain h3 { font: 700 21px/1.1 var(--display); letter-spacing: -.02em; }
.pain p { color: var(--lin-muted); font-size: 15px; }
.bridge { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; font: 600 clamp(18px, 2vw, 22px)/1.3 var(--display); letter-spacing: -.01em; }
.bridge a { font: 500 14px/1 var(--body); color: var(--lin-ink); text-decoration: none; border-bottom: 2px solid var(--amber); padding-bottom: 3px; }

/* SWA engine */
.swa-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 20px; }
.cols-lbl { margin-top: 52px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(40px, 110px) minmax(200px, 280px) minmax(40px, 110px) minmax(0, 1fr); font: 500 11.5px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.cols-lbl span:nth-child(2) { grid-column: 3; text-align: center; } .cols-lbl span:nth-child(3) { grid-column: 5; }
.mlbl { display: none; font: 500 11.5px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.engine { margin-top: 14px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(40px, 110px) minmax(200px, 280px) minmax(40px, 110px) minmax(0, 1fr); grid-template-rows: repeat(3, 1fr); row-gap: 14px; }
.node { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; display: grid; gap: 4px; align-content: center; min-width: 0; transition: border-color .25s, transform .25s, background .25s; }
.node:hover { border-color: var(--c); transform: translateY(-2px); }
.node b { font: 600 clamp(15px, 1.4vw, 18px)/1.2 var(--body); }
.node span { font-size: 14px; line-height: 1.4; color: var(--muted); }
.in { grid-column: 1; --c: var(--sky); }
.out { grid-column: 5; }
.out b::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 3px; background: var(--c); margin-right: 9px; vertical-align: 1px; }
.in b::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--muted); margin-right: 9px; vertical-align: 0; }
.wire { grid-row: 1 / 4; position: relative; min-width: 0; }
.wire svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.wire path { fill: none; stroke: var(--line); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.wire path.flow { stroke: var(--amber); stroke-dasharray: 2 12; animation: flow 1.8s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -28; } }
.w-l { grid-column: 2; } .w-r { grid-column: 4; }
.core { grid-column: 3; grid-row: 1 / 4; align-self: center; justify-self: center; width: 100%; aspect-ratio: 1; border-radius: 50%; display: grid; place-content: center; text-align: center; gap: 8px; padding: 18px;
  background: radial-gradient(circle at 50% 42%, rgb(255 178 36 / .26), transparent 62%), var(--bg-deep); border: 1.5px solid var(--amber); box-shadow: 0 0 0 12px rgb(255 178 36 / .07), 0 0 0 26px rgb(255 178 36 / .035); animation: breathe 4s ease-in-out infinite; }
@keyframes breathe { 50% { box-shadow: 0 0 0 16px rgb(255 178 36 / .09), 0 0 0 34px rgb(255 178 36 / .04); } }
.core b { font: 700 clamp(20px, 2vw, 26px)/1.05 var(--display); letter-spacing: -.02em; }
.core span { font: 400 12px/1.4 var(--mono); color: var(--muted); max-width: 22ch; margin-inline: auto; }
.down { display: none; justify-self: center; color: var(--amber); font: 500 18px/1 var(--mono); }
.action { margin-top: 28px; display: grid; grid-template-columns: 170px repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.action > * { padding: 20px; min-width: 0; }
.action .lbl { background: var(--amber); color: var(--on-amber); font: 600 13px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; display: grid; align-content: center; }
.action .it { border-left: 1px solid var(--line); display: grid; gap: 4px; transition: background .25s; }
.action b { font: 600 16px/1.2 var(--body); }
.action span { font-size: 13.5px; color: var(--muted); line-height: 1.35; }
.action .it b::before { content: "→"; color: var(--amber); margin-right: 8px; font-family: var(--mono); }
.action .it.key { background: linear-gradient(180deg, rgb(255 178 36 / .12), transparent); }
@media (max-width: 900px) {
  .engine { grid-template-columns: 1fr; grid-template-rows: none; row-gap: 10px; }
  .in, .out, .core { grid-column: 1; grid-row: auto !important; }
  .wire, .cols-lbl { display: none; }
  .mlbl { display: block; }
  .down { display: block; }
  .core { width: min(260px, 70%); margin-block: 10px; }
  .action { grid-template-columns: 1fr 1fr; }
  .action .lbl { grid-column: 1 / -1; padding-block: 14px; }
  .action .it { border-left: 0; border-top: 1px solid var(--line); }
  .action .it:nth-child(odd) { border-left: 1px solid var(--line); }
}
.note { margin-top: 14px; font-size: 14px; color: var(--muted); }

@media (max-width: 480px) { .action { grid-template-columns: 1fr; } .action .it:nth-child(odd) { border-left: 0; } }

/* interventions */
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }
.iv { background: var(--lin-card); border: 1px solid var(--lin-line); border-radius: 20px; padding: 28px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 20px; position: relative; overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.iv:hover { transform: translateY(-3px); box-shadow: 0 22px 44px -26px rgb(17 18 51 / .5); }
.iv::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--c); }
.iv h3 { font: 700 clamp(22px, 2.2vw, 28px)/1.05 var(--display); letter-spacing: -.025em; }
.iv .fr { font: 500 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--lin-muted); margin-top: 8px; }
.iv .from { grid-column: 2; grid-row: 1; align-self: start; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--on-amber); background: var(--amber); border-radius: 6px; padding: 7px 9px; white-space: nowrap; }
.iv { --c: #C9C7E6; }
.iv.key { --c: var(--amber); border-color: var(--amber); }
.iv dl { grid-column: 1 / -1; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding-top: 18px; border-top: 1px solid var(--lin-line); }
.iv dt { font: 500 11.5px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--lin-muted); margin-bottom: 6px; }
.iv dd { margin: 0; font-size: 15.5px; line-height: 1.45; }
.iv dd.res { font-weight: 600; }
@media (max-width: 460px) { .iv { grid-template-columns: 1fr; } .iv .from { grid-column: 1; grid-row: auto; justify-self: start; } .iv dl { grid-template-columns: 1fr; } }

/* offers: independent options */
.steps { list-style: none; padding: 0; margin: 56px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; }
.step { display: grid; gap: 12px; align-content: start; position: relative; }
.step .card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: grid; gap: 10px; flex: 1; height: 100%; transition: border-color .25s, transform .25s; }
.step:hover .card { border-color: var(--muted); transform: translateY(-3px); }
.step h3 { font: 700 22px/1.08 var(--display); letter-spacing: -.02em; }
.step p { color: var(--muted); font-size: 15px; }
.step .dur { justify-self: start; font: 500 12px/1 var(--mono); color: var(--amber); border: 1px solid var(--line); border-radius: 999px; padding: 6px 9px; }
.step dl { margin: 4px 0 0; display: grid; gap: 10px; }
.step dt { font: 500 11px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
.step dd { margin: 0; font-size: 14.5px; line-height: 1.4; }
.step dd.res { font-weight: 600; }
.step dl > div:last-child { padding-top: 10px; border-top: 1px dashed var(--line); }
.step dd.res::before { content: "→ "; color: var(--amber); }
.step .card .btn { justify-self: start; margin-top: 4px; }
.badge { justify-self: start; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--on-amber); background: var(--amber); padding: 6px 8px; border-radius: 6px; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* credibility */
.cred { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 88px); align-items: start; }
@media (max-width: 860px) { .cred { grid-template-columns: 1fr; } }
.big { font: 800 clamp(96px, 15vw, 200px)/.82 var(--display); letter-spacing: -.06em; margin-top: 18px; display: flex; align-items: flex-start; gap: 10px; }
.big small { font: 700 clamp(22px, 2.6vw, 34px)/1 var(--display); letter-spacing: -.02em; margin-top: .4em; }
.big i { font-style: normal; color: var(--amber); -webkit-text-stroke: 0; }
.cred .h3 { font: 700 clamp(22px, 2.4vw, 30px)/1.15 var(--display); letter-spacing: -.02em; margin-top: 22px; max-width: 22ch; }
blockquote { margin: 28px 0 0; padding-left: 20px; border-left: 3px solid var(--amber); color: var(--lin-muted); font-size: 16px; max-width: 58ch; }
blockquote footer { margin-top: 10px; font: 500 12px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--lin-ink); }
.pillars { display: grid; gap: 12px; }
.pillar { background: var(--lin-card); border: 1px solid var(--lin-line); border-radius: 18px; padding: 22px 24px; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 4px 16px; align-items: start; }
.pillar svg { grid-row: 1 / 3; width: 44px; height: 44px; }
.pillar b { font: 700 19px/1.2 var(--display); letter-spacing: -.01em; }
.pillar span { color: var(--lin-muted); font-size: 15px; }

/* contact */
.contact { background: var(--amber); color: var(--on-amber); }
.contact .wrap { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 40px; align-items: end; }
@media (max-width: 860px) { .contact .wrap { grid-template-columns: 1fr; } }
.contact .eyebrow { color: var(--on-amber); opacity: .75; }
.contact h2 { font: 800 clamp(38px, 6vw, 80px)/.95 var(--display); letter-spacing: -.045em; margin-top: 16px; max-width: 14ch; }
.contact .sub { color: var(--on-amber); opacity: .82; }
.mailbox { background: var(--bg); color: var(--fg); border-radius: 22px; padding: 26px; display: grid; gap: 16px; }
.mailbox .addr { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; justify-content: space-between; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; font: 500 15px/1.2 var(--mono); }
.mailbox .addr a { text-decoration: none; overflow-wrap: anywhere; }
.copy { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 999px; font: 500 12px/1 var(--mono); padding: 8px 11px; cursor: pointer; }
.copy:hover { color: var(--fg); border-color: var(--muted); }
.mailbox .note { font-size: 13.5px; color: var(--muted); }
.mailbox h3 { font: 700 20px/1.15 var(--display); letter-spacing: -.01em; }
.mailbox .or { display: flex; align-items: center; gap: 12px; font: 500 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.mailbox .or::before, .mailbox .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.btn.line { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn.line:hover { border-color: var(--amber); box-shadow: none; }

/* footer */
footer.site { background: var(--bg-deep); padding-block: 40px; font-size: 14px; color: var(--muted); }
footer.site .bar { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; }
footer.site nav a { text-decoration: none; }
footer.site nav a:hover { color: var(--fg); }
footer.site details { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; max-width: 80ch; }
footer.site summary { cursor: pointer; color: var(--fg); font-weight: 500; }
footer.site details p { margin-top: 10px; }
footer.site .todo { color: var(--amber); }

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

/* Display face at text optical size: plainer "f" and "y" in large headings */
h1, h2, h3, .big, .core b, .logo { font-variation-settings: "opsz" 12; }
.hero h1 { letter-spacing: -.035em; }

/* SWA commercial message */
.claim { margin: 32px 0 20px; font: 700 clamp(20px, 2.4vw, 28px)/1.2 var(--display); letter-spacing: -.02em; color: var(--amber); max-width: 34ch; font-variation-settings: "opsz" 12; }