/* sonr.co home page: the scrub hero and the sections below it. */

/* ---------- Hero: scrub layout (default on scrub-capable screens) ---------- */
.hero{position:relative;height:100vh;background:var(--canvas-deep)}
.stage{position:sticky;top:0;height:100vh;overflow:hidden;isolation:isolate}
.poster,.stage video,.static-bg{position:absolute;inset:0;width:100%;height:100%}
.poster{background:var(--canvas-deep) center/cover no-repeat}
.stage video{object-fit:cover;opacity:0;transition:opacity .8s var(--ease-out);will-change:transform;transform:translateZ(0)}
.stage.video-ready video{opacity:1}
.stage.video-failed video{display:none}
.scrim{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 120% 90% at 50% 45%,rgba(8,14,26,0) 35%,rgba(8,14,26,.62) 100%)}
.stage::before{content:"";position:absolute;left:0;right:0;top:0;height:150px;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(8,14,26,.7) 0%,rgba(8,14,26,0) 100%)}
.static-bg,.static-copy{display:none}

/* Loader: the sonr signal spinning inside an honest progress ring */
.loader{position:absolute;left:50%;bottom:36px;width:56px;height:56px;margin-left:-28px;transition:opacity .6s var(--ease-out)}
.loader .ring{position:absolute;inset:0;width:56px;height:56px;transform:rotate(-90deg)}
.loader .ring circle{fill:none;stroke-width:2.5}
.loader .ring .ring-track{stroke:rgba(170,183,197,.22)}
.loader .ring .ring-fill{stroke:var(--accent);stroke-dasharray:126;stroke-dashoffset:126;stroke-linecap:round;transition:stroke-dashoffset .2s linear}
.loader .mark{position:absolute;inset:14px}
.loader .mark .signal{width:100%;height:100%}
.loader.done{opacity:0;pointer-events:none}
.cue{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--text-secondary);opacity:0;transition:opacity .6s var(--ease-out) .3s;pointer-events:none;text-shadow:var(--tshadow)}
.cue i{display:block;width:1px;height:34px;background:linear-gradient(180deg,rgba(245,247,250,0),var(--text-primary));transform-origin:top;animation:cue 2.4s var(--ease-in-out) infinite}
@keyframes cue{0%{transform:translateY(0) scaleY(0)}45%,55%{transform:translateY(0) scaleY(1)}100%{transform:translateY(34px) scaleY(0)}}
.loader.done~.cue{opacity:1}
.hero.scrolled .cue{opacity:0;transition-delay:0s}
.hero.scrolled .cue i{animation-play-state:paused}

/* Caption bands, two-sided around the centered action lane */
.band{position:absolute;top:50%;width:min(31vw,470px);transform:translateY(-50%);opacity:0;visibility:hidden;text-shadow:var(--tshadow);z-index:2}
.band.left{left:max(var(--gutter),5.5vw)}
.band.right{right:max(var(--gutter),5.5vw)}
.band::before{content:"";position:absolute;inset:-46% -36%;z-index:-1;pointer-events:none;opacity:calc(.3 + .7*var(--k,1));background:radial-gradient(ellipse 60% 56% at 50% 50%,rgba(5,8,16,.86) 0%,rgba(5,8,16,.72) 42%,rgba(5,8,16,.34) 62%,rgba(5,8,16,0) 78%)}
.band .eyebrow{text-shadow:0 1px 3px rgba(5,8,16,.9)}
.band-line{display:block;font-family:var(--serif);font-weight:600;font-optical-sizing:auto;letter-spacing:-.02em;line-height:1.04;font-size:clamp(36px,3.9vw,64px);text-wrap:balance}
.band-line+.band-line{margin-top:.18em}
.band .w{display:inline-block}
.band .c{display:inline-block}

/* (a) approach from depth: band 1, the city coming toward us */
[data-fx="depth"] .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.4,1);opacity:var(--kc);transform:scale(calc(.82 + .18*var(--kc)));transform-origin:0 60%}
.band.b1 .eyebrow{opacity:clamp(0,var(--k,0)*2,1)}
/* (b) word punch: "stall", a dead stop */
[data-fx="punch"] .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);--ks:clamp(0,(var(--k,0) - var(--th,0) - var(--sd,.1))*var(--ss,3.2),1);opacity:var(--kc);transform:scale(calc(.6 + (.4 + var(--ov,.12))*var(--kc) - var(--ov,.12)*var(--ks)))}
[data-fx="punch"] .w.em{--ov:.24;--sd:.16;--ss:2.6}
/* (c) drift down: "fall" */
[data-fx="drift"] .w{--kc:clamp(0,(var(--k,0) - .28 - var(--th,0))*2.8,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*-28px))}
/* (d) grid snap: a scan line reading the street */
[data-fx="grid"] .c{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.6,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc))*var(--jx,0px)))}
/* (e) staged settle: words rise, then the line, then the buttons */
.band.settle{top:0;bottom:0;left:0;right:0;width:auto;transform:none;display:grid;grid-template-columns:minmax(0,1fr) min(30vw,520px) minmax(0,1fr);align-items:center;padding-inline:max(var(--gutter),5.5vw);gap:0}
.band.settle::before{display:none}
.settle-col{position:relative}
.settle-col::before{content:"";position:absolute;inset:-46% -34%;z-index:-1;pointer-events:none;opacity:calc(.3 + .7*var(--k,1));background:radial-gradient(ellipse 60% 56% at 50% 50%,rgba(5,8,16,.84) 0%,rgba(5,8,16,.7) 42%,rgba(5,8,16,.32) 62%,rgba(5,8,16,0) 78%)}
.settle-col.l{grid-column:1}
.settle-col.r{grid-column:3}
[data-fx="rise"] .w{--kc:clamp(0,(var(--k,0) - var(--th,0)*.6)*3,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*26px))}
.settle .eyebrow{--kc:clamp(0,var(--k,0)*3,1);opacity:var(--kc)}
.settle .number{font-size:clamp(36px,4vw,72px);display:block}
.settle .number-sub{display:block;margin-top:10px;font-weight:600;font-size:17px;color:var(--text-secondary);--ks:clamp(0,(var(--k,0) - .45)*3,1);opacity:var(--ks)}
.settle .number-sub a{text-decoration:none}
.settle-mark{width:108px;margin-bottom:22px;--kc:clamp(0,var(--k,0)*2.2,1);opacity:var(--kc)}
.settle .sub{font-size:clamp(17px,1.35vw,20px);line-height:1.55;max-width:34ch;--ks:clamp(0,var(--k,0)*2.2,1);opacity:var(--ks);transform:translateY(calc((1 - var(--ks))*14px))}
.settle .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;--kb:clamp(0,(var(--k,0) - .2)*3,1);opacity:var(--kb);transform:translateY(calc((1 - var(--kb))*14px))}
.settle .fine{margin-top:18px;--kb:clamp(0,(var(--k,0) - .45)*3,1);opacity:var(--kb)}
/* Scrub only: give each band and each animated word/letter its own layer, so the shadowed text is drawn once
   and --k changes only move and fade layers (no re-painting of the 44px text-shadow blur every scroll step). */
.scrub .band{will-change:opacity}
.scrub [data-fx]:not([data-fx="grid"]) .w,.scrub [data-fx="grid"] .c,
.scrub .band.b1 .eyebrow,.scrub .settle .eyebrow,.scrub .settle .number-sub,.scrub .settle-mark,
.scrub .settle .sub,.scrub .settle .cta-row,.scrub .settle .fine{will-change:transform,opacity}

@media (max-height:560px){.cue,.loader{display:none}}

/* 1svh, frozen in px on phones by hero.js; engines without svh use 1vh */
:root{--svh:1vh}
@supports (height:1svh){:root{--svh:1svh}}

/* ---------- Hero: the static layout, now on every screen (founder, 2026-10-21: the video stepper is retired). ---------- */
@media all{
  .hero{height:auto}
  .stage{position:relative;height:auto;min-height:calc(var(--svh)*100);display:flex;flex-direction:column;justify-content:flex-end}
  .poster,.stage video,.scrim,.loader,.cue,.band{display:none}
  .static-bg{display:block;bottom:auto;height:min(calc(var(--svh)*66),760px);background:var(--canvas-deep) url("../img/hero-ending.jpg") center 50%/cover no-repeat}
  .static-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,26,.55) 0%,rgba(8,14,26,0) 22%,rgba(8,14,26,0) 62%,var(--canvas) 100%)}
  .static-copy{display:block;position:relative;z-index:2;padding:calc(min(calc(var(--svh)*66),760px) - 64px) var(--gutter) 56px;text-shadow:var(--tshadow)}
  .static-copy .number{font-size:clamp(36px,12vw,84px)}
  .static-copy .number-sub{display:block;margin-top:8px;font-weight:600;color:var(--text-secondary)}
  .static-copy .number-sub a{text-decoration:none}
  .static-copy .sub{margin-top:18px;font-size:18px;line-height:1.55;max-width:34ch}
  .static-copy .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .static-copy .btn{text-shadow:none}
  .static-copy .fine{margin-top:18px}
}
@media (max-width: 720px), (orientation: portrait) and (max-width: 1024px), (orientation: portrait) and (pointer: coarse){
  .static-bg{background-image:url("../img/hero-ending-square.jpg");background-position:center 50%;background-size:cover}
}
/* Wide landscape screens: the ending frame fills the screen, the number sits on the darkened left. */
@media (min-width: 721px) and (orientation: landscape) and (min-height: 561px){
  .stage{min-height:100vh;justify-content:center}
  .static-bg{inset:0;height:100%;background-position:0% 50%}
  .static-bg::after{background:linear-gradient(90deg,rgba(8,14,26,.88) 0%,rgba(8,14,26,.7) 26%,rgba(8,14,26,.18) 46%,rgba(8,14,26,0) 58%),linear-gradient(180deg,rgba(8,14,26,.55) 0%,rgba(8,14,26,0) 18%,rgba(8,14,26,0) 82%,var(--canvas) 100%)}
  .static-copy{padding:calc(var(--nav-h) + 32px) max(var(--gutter),5.5vw) 56px;max-width:calc(max(var(--gutter),5.5vw) * 2 + 560px)}
  .static-copy .number{font-size:clamp(48px,5.4vw,92px)}
  .static-copy .number-sub{font-size:18px}
  .static-copy .sub{font-size:clamp(18px,1.4vw,21px);max-width:30ch}
}

/* ---------- When to call ---------- */
.when{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,96px);align-items:start}
.when-list{list-style:none;margin:36px 0 0;padding:0;border-top:1px solid var(--line)}
.when-list li{display:flex;align-items:baseline;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);font-size:clamp(18px,1.6vw,22px);line-height:1.4}
.when-list li .mono{flex:none;font-size:12px;color:var(--accent);width:28px}
.rules{padding:clamp(28px,3vw,40px);border-radius:var(--radius-xl);background:var(--panel);border:1px solid var(--line);position:sticky;top:calc(var(--nav-h) + 24px)}
.rules h3{font-family:var(--serif);font-weight:600;font-size:28px;letter-spacing:-.01em;margin-bottom:24px}
.rules ol{list-style:none;margin:0;padding:0;display:grid;gap:22px;counter-reset:r}
.rules li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;align-items:baseline;counter-increment:r}
.rules li::before{content:counter(r);display:grid;place-items:center;width:36px;height:36px;border-radius:999px;border:1px solid var(--accent-muted);font-family:var(--mono);font-size:14px;color:var(--accent);transform:translateY(-6px)}
.rules li b{display:block;font-size:18px;margin-bottom:4px}
.rules li span{color:var(--text-secondary)}
.rules li:last-child b a{color:var(--accent);text-decoration:none}
@media (max-width:900px){.when{grid-template-columns:1fr}.rules{position:relative;top:0}}

/* ---------- How it works ---------- */
.how-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6vw,96px);align-items:center}
.how-steps{position:relative;display:grid;gap:34px;margin-top:40px;padding-left:48px}
.how-steps .route{position:absolute;left:7px;top:14px;bottom:14px;width:2px;background:repeating-linear-gradient(180deg,var(--line-strong) 0 4px,transparent 4px 11px)}
.how-steps .route i{position:absolute;inset:0;background:var(--accent);opacity:.55;transform:scaleY(0);transform-origin:top;transition:transform 1.8s var(--ease-in-out) .3s}
.in .how-steps .route i{transform:scaleY(1)}
.how-step{position:relative}
.how-step::before{content:"";position:absolute;left:-48px;top:7px;width:16px;height:16px;border-radius:999px;background:var(--canvas);border:2px solid var(--line-strong);transition:border-color .5s var(--ease-out),background-color .5s var(--ease-out)}
.how-step.lit::before,.how-steps.all-lit .how-step::before{border-color:var(--accent);background:var(--accent)}
.how-step .step-num{display:block;margin-bottom:6px}
.how-step h3{font-family:var(--serif);font-weight:600;font-size:28px;letter-spacing:-.01em;margin-bottom:6px}
.how-step p{color:var(--text-secondary);max-width:42ch}

/* The one interactive moment: hold to ping */
.ping{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);background:var(--canvas-deep);aspect-ratio:16/11}
.ping svg.map{position:absolute;inset:0;width:100%;height:100%}
.ping .street{stroke:rgba(157,187,236,.16);stroke-width:10}
.ping .street.minor{stroke:rgba(157,187,236,.08);stroke-width:5}
.ping .block{fill:rgba(18,32,58,.9)}
.ping .pulse{fill:none;stroke:var(--accent);stroke-width:2}
.ping .member circle{fill:var(--text-secondary);opacity:.45;transition:opacity .4s var(--ease-out),fill .4s var(--ease-out)}
.ping .member.found circle{fill:var(--accent);opacity:1}
.ping .member .halo{fill:none!important;stroke:var(--accent);stroke-width:1.5;opacity:0!important;transform-box:fill-box;transform-origin:center}
.ping .member.found .halo{animation:halo 1.6s var(--ease-out) 1 both}
@keyframes halo{0%{opacity:.9;transform:scale(.6)}100%{opacity:0;transform:scale(2.6)}}
.ping .member.nearest circle:not(.halo){fill:var(--accent)}
.ping .center{position:absolute;left:50%;top:50%;width:58px;transform:translate(-50%,-50%)}
.ping .ui{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:linear-gradient(0deg,rgba(8,16,30,.94) 0%,rgba(8,16,30,.6) 70%,rgba(8,16,30,0) 100%)}
.ping .readout{font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--text-secondary);min-height:20px}
.ping .readout.found{color:var(--text-primary)}
.hold{position:relative;display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:10px 22px 10px 12px;border-radius:999px;border:1px solid var(--accent-muted);background:rgba(11,21,38,.85);color:var(--text-primary);font-weight:700;font-size:15px;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;transition:border-color .25s var(--ease-out)}
.hold:hover{border-color:var(--accent)}
.hold svg.prog{width:32px;height:32px;transform:rotate(-90deg);flex:none}
.hold svg.prog circle{fill:none;stroke-width:3}
.hold svg.prog .t{stroke:rgba(170,183,197,.25)}
.hold svg.prog .f{stroke:var(--accent);stroke-dasharray:88;stroke-dashoffset:calc(88 - 88*var(--hp,0));stroke-linecap:round}
.ping-note{margin-top:14px;font-size:14px;color:var(--text-secondary)}
@media (max-width:900px){.how-grid{grid-template-columns:1fr}}
@media (max-width:520px){.ping{aspect-ratio:4/5}.ping .ui{flex-direction:column;align-items:stretch}.hold{justify-content:center}}

/* ---------- What we recover: a 2x2 mosaic of unequal tiles ---------- */
.recover{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:minmax(0,auto);gap:18px}
.tile{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--canvas-deep);min-height:340px;display:flex;align-items:flex-end;isolation:isolate}
.tile .media{position:absolute;inset:0;z-index:-2}
.tile::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(8,14,26,.94) 0%,rgba(8,14,26,.55) 38%,rgba(8,14,26,0) 64%)}
.tile .txt{padding:26px 28px;text-shadow:var(--tshadow)}
.tile h3{font-family:var(--serif);font-weight:600;font-size:clamp(26px,2.4vw,34px);letter-spacing:-.01em;margin-bottom:6px}
.tile p{color:var(--text-secondary);max-width:38ch}
.tile.t1{grid-column:span 7;min-height:460px}
.tile.t2{grid-column:span 5;min-height:460px}
.tile.t3{grid-column:span 5}
.tile.t4{grid-column:span 7}
.tile .media img{object-position:center 45%}
@media (max-width:860px){.recover{grid-template-columns:1fr}.tile.t1,.tile.t2,.tile.t3,.tile.t4{grid-column:auto;min-height:340px}}

/* ---------- Tail number ---------- */
.tail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center}
.decal{position:relative;aspect-ratio:16/10;border-radius:var(--radius-xl);background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.decal .plate{display:flex;align-items:center;gap:clamp(14px,1.8vw,24px);padding:clamp(14px,1.8vw,24px);border-radius:clamp(12px,1.4vw,18px);background:#f5f7fa;color:#0b1526;box-shadow:0 20px 60px rgba(1,8,24,.5);transform:translateY(-10%) rotate(-12deg)}
.decal .plate .qr{width:clamp(96px,10vw,140px);height:auto;flex:none}
.decal .plate .id{display:flex;flex-direction:column;align-items:flex-start;gap:clamp(4px,.6vw,8px);border-left:2px solid #d7e3f6;padding-left:clamp(14px,1.8vw,24px)}
.decal .plate .id img{width:clamp(56px,6vw,84px);height:auto}
.decal .plate .code{font-family:var(--mono);font-weight:500;font-size:clamp(24px,2.7vw,36px);line-height:1.1;letter-spacing:.04em;white-space:nowrap;color:#0b1526}
.decal .plate .cta{font-family:var(--sans);font-weight:700;font-size:clamp(12px,1.25vw,16px);line-height:1.3;color:#b4470f}
.decal .scan{position:absolute;left:0;right:0;height:2px;background:var(--accent);opacity:.0;top:30%}
.in .decal .scan{animation:scan 6s var(--ease-in-out) infinite;animation-delay:-1s}
@keyframes scan{0%,100%{top:22%;opacity:0}15%{opacity:.55}50%{top:78%;opacity:.55}65%{opacity:0}}
.decal .cap{position:absolute;left:20px;bottom:16px;font-family:var(--mono);font-size:12px;color:var(--text-secondary)}
@media (max-width:860px){.tail{grid-template-columns:1fr}}
@media (min-width:521px) and (max-width:860px){.decal .plate .qr{width:19vw}.decal .plate .code{font-size:4.8vw}.decal .plate .id img{width:11vw}.decal .plate .cta{font-size:2.2vw}}
@media (max-width:520px){.decal .plate .qr{width:84px}.decal .plate .code{font-size:22px}.decal .plate .id img{width:52px}}

/* ---------- First responders band ---------- */
.responders{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:end}
.responders p{color:var(--text-secondary);max-width:52ch}
.responders .link{display:inline-flex;align-items:center;gap:10px;margin-top:24px;color:var(--text-primary);font-weight:700;text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:4px}
@media (max-width:860px){.responders{grid-template-columns:1fr}}

/* ---------- Two doors ---------- */
.doors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.door{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:340px;padding:clamp(28px,3vw,44px);border-radius:var(--radius-xl);border:1px solid var(--line);background:var(--panel);text-decoration:none;overflow:hidden;transition:border-color .35s var(--ease-out),transform .45s var(--ease-out)}
.door:hover{border-color:var(--accent-muted);transform:translateY(-4px)}
.door h3{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3vw,40px);line-height:1.08;letter-spacing:-.015em;max-width:15ch;margin-top:8px}
.door p{color:var(--text-secondary);margin-top:14px;max-width:36ch}
.door .go{display:inline-flex;align-items:center;gap:10px;margin-top:32px;font-weight:700}
.door .go svg{width:18px;height:18px;transition:transform .35s var(--ease-out)}
.door:hover .go svg{transform:translateX(4px)}
.door .rings{position:absolute;right:-120px;top:-120px;width:340px;height:340px;opacity:.5;pointer-events:none}
.door .rings circle{fill:none;stroke:var(--accent-muted);stroke-width:1}
@media (max-width:760px){.doors{grid-template-columns:1fr}}

/* ---------- Closing call ---------- */
.closing{text-align:center;padding-block:clamp(96px,14vw,180px)}
.closing .closing-mark{width:132px;margin:0 auto 32px}
.closing .number{font-size:clamp(38px,11vw,128px)}
.closing .number-sub{display:block;margin-top:14px;font-weight:600;color:var(--text-secondary)}
.closing .number-sub a{text-decoration:none}
.closing .sub{margin:22px auto 0;font-size:clamp(18px,1.6vw,21px)}
.closing .cta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px}
.closing .fine{margin-top:20px}

.loader .signal .waves{animation:sweep 1.6s linear infinite}
@media (prefers-reduced-motion:reduce){.how-steps .route i{transform:none}.tile .media img{transform:none}}