/* Sound & Dry: foundation repair + basement waterproofing homepage concept
   Lane: site-signage yellow. Safety yellow + black, water cyan on black only, concrete for tertiary.
   Space Grotesk (display/body) + Space Mono (measurements). Neo-brutalist: 3px borders, hard offset shadows,
   square corners, dimension and leader lines. */
:root {
  --y: #FFD60A;          /* safety yellow */
  --y-2: #F2C700;        /* pressed / inset yellow */
  --k: #0B0B0B;          /* black */
  --k-2: #161616;        /* raised black */
  --k-3: #262626;        /* lines on black */
  --c: #00B8FF;          /* water cyan: on black only */
  --cc: #BDBDB5;         /* concrete */
  --w: #FFFFFF;
  --b: 3px;              /* border weight */
  --sh: 6px;             /* hard shadow offset */
  --pad: clamp(18px, 4vw, 64px);
  --maxw: 1360px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  /* context: on yellow */
  --text: var(--k);
  --text-2: rgba(11, 11, 11, .74);
  --line: var(--k);
  --surface: var(--y);
  --btn-bg: var(--k);
  --btn-fg: var(--y);
  --btn-line: var(--k);
  --btn-shadow: var(--k);
  --focus: var(--k);
}
/* context: on black */
.dark, .hero__stage, .sympanel, .fnote, .ccard__viz, .fdiag, .phone {
  --text: var(--w);
  --text-2: var(--cc);
  --line: var(--cc);
  --surface: var(--k);
  --btn-bg: var(--y);
  --btn-fg: var(--k);
  --btn-line: var(--y);
  --btn-shadow: var(--c);
  --focus: var(--y);
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0; background: var(--y); color: var(--k);
  font: 400 17px/1.55 var(--body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, canvas, video { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4, h5 { margin: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.03em; line-height: 1; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--k); color: var(--y); padding: 8px 14px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
/* highlight band trimmed to the letters, so tight headline leading doesn't cover the line above */
mark { --mk: var(--k); color: var(--y); background: linear-gradient(var(--mk), var(--mk)) 0 70% / 100% 80% no-repeat; padding: 0 .12em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.dark mark, .hero__stage mark { --mk: var(--y); color: var(--k); }
/* family tags: water = cyan on black, structure = yellow on black */
.t-water, .t-struct { display: inline-block; background: var(--k); padding: 0 .3em; font-weight: 700; line-height: 1.25; }
.t-water { color: var(--c); }
.t-struct { color: var(--y); }
.tag { display: inline-flex; align-items: center; gap: 6px; font: 700 11.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; padding: 5px 7px; background: var(--k); color: var(--y); }
.tag--water { color: var(--c); }
.tag--water::before, .tag--struct::before { content: ""; width: 8px; height: 8px; background: currentColor; }

/* ───────── buttons / chips ───────── */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: .55em; padding: 14px 22px;
  background: var(--btn-bg); color: var(--btn-fg); border: var(--b) solid var(--btn-line);
  font: 700 16px/1 var(--display); letter-spacing: -.01em; text-decoration: none; white-space: nowrap;
  box-shadow: 0 0 0 0 var(--btn-shadow);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background-color .15s, color .15s;
}
.btn:hover { transform: translate(-3px, -3px); box-shadow: 5px 5px 0 0 var(--btn-shadow); }
.btn:active { transform: translate(0, 0); box-shadow: 0 0 0 0 var(--btn-shadow); }
.btn--ink:hover { background: var(--y); color: var(--k); border-color: var(--k); }
.dark .btn--ink:hover, .hero__stage .btn--ink:hover, .sympanel .btn--ink:hover { background: var(--y); color: var(--k); border-color: var(--y); }
.btn__arrow { display: inline-block; transition: transform .25s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--text); }
.btn--ghost:hover { box-shadow: 5px 5px 0 0 var(--btn-shadow); }
.btn--level { background: var(--y); color: var(--k); border-color: var(--k); }
.btn--level:hover { box-shadow: 5px 5px 0 0 var(--k); }
.btn--sm { padding: 10px 16px; font-size: 15px; }
.chip { display: inline-flex; align-items: center; gap: 10px; padding: 7px 11px; font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; color: var(--w); border: 2px solid var(--cc); }
.chip b { color: var(--y); font-weight: 700; }
.chip__dot { width: 9px; height: 9px; display: inline-block; flex: none; }
.chip__dot--water { background: var(--c); }
.chip__dot--clay { background: var(--y); }
/* section number tile (replaces eyebrows) */
.snum { display: inline-grid; place-items: center; min-width: 58px; height: 58px; padding: 0 10px; margin-bottom: 22px; background: var(--k); color: var(--y); font: 700 26px/1 var(--display); letter-spacing: -.04em; box-shadow: var(--sh) var(--sh) 0 0 rgba(11, 11, 11, .28); }
.dark .snum { background: var(--y); color: var(--k); box-shadow: var(--sh) var(--sh) 0 0 var(--k-3); }
.h2 { font-size: clamp(38px, 5.4vw, 82px); letter-spacing: -.045em; line-height: .94; max-width: 17ch; }
.h2--xl { font-size: clamp(44px, 7vw, 116px); max-width: 14ch; }
.h3 { font-size: clamp(28px, 3vw, 44px); letter-spacing: -.035em; }

/* ───────── nav ───────── */
.nav {
  position: fixed; left: 0; right: 0; top: 0; z-index: 50; height: 64px; display: flex; align-items: center; gap: 28px;
  padding: 0 var(--pad); background: var(--y); border-bottom: var(--b) solid var(--k); transition: transform .45s var(--ease);
}
.nav.is-hidden { transform: translateY(-110%); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__vial { width: 42px; height: 22px; overflow: visible; }
.brand__vial rect { fill: var(--k); stroke: var(--k); stroke-width: 2; }
.brand__vial line { stroke: var(--y); stroke-width: 1.6; }
.brand__bubble { fill: var(--y); stroke: none; }
.brand__word { font: 700 21px/1 var(--display); letter-spacing: -.04em; text-transform: uppercase; display: flex; align-items: center; }
.brand__word i { font-style: normal; display: inline-grid; place-items: center; width: 22px; height: 22px; margin: 0 3px; background: var(--k); color: var(--y); font-size: 16px; letter-spacing: 0; }
.nav__links { display: flex; gap: 2px; margin-left: auto; }
.nav__links a { position: relative; padding: 9px 12px; text-decoration: none; font: 600 15px/1 var(--display); border: 2px solid transparent; transition: border-color .15s, background-color .15s; }
.nav__links a:hover { border-color: var(--k); }
.nav__links a.is-active { background: var(--k); color: var(--y); }
.nav__cta { display: flex; align-items: center; gap: 16px; }
.nav__phone { display: flex; align-items: center; gap: 8px; font: 700 14px/1 var(--mono); text-decoration: none; }
.nav__phone .dot { width: 9px; height: 9px; background: var(--k); animation: blink 1.6s infinite; }
.nav__burger { display: none; width: 44px; height: 44px; margin-left: auto; border: var(--b) solid var(--k); background: var(--k); padding: 0; position: relative; }
.nav__burger span { position: absolute; left: 10px; right: 10px; height: 3px; background: var(--y); transition: transform .3s var(--ease); }
.nav__burger span:first-child { top: 14px; } .nav__burger span:last-child { top: 23px; }
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 45; background: var(--k); color: var(--y); display: flex; flex-direction: column; justify-content: center; gap: 6px; padding: 90px var(--pad) 40px; }
.menu[hidden] { display: none; }
.menu a:not(.btn) { font: 700 44px/1.1 var(--display); letter-spacing: -.04em; text-decoration: none; }
.menu .btn { margin-top: 24px; align-self: flex-start; border-color: var(--y); }
.menu__phone { font: 700 16px var(--mono) !important; margin-top: 12px; color: var(--cc); }

/* ───────── hero: yellow sign with a black section panel ───────── */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; background: var(--y); }
.hero__stage { position: absolute; top: 76px; left: 70px; right: 20px; bottom: 34px; overflow: hidden; background: var(--k); color: var(--w); }
.hero__gl, .hero__fx, .hero__poster { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__poster { object-fit: cover; opacity: 0; }
.no-gl .hero__poster { opacity: 1; }
.hero__fx { pointer-events: none; }
.hero__marks { position: absolute; inset: 0; pointer-events: none; z-index: 4; }
.hero__grade { position: absolute; left: 0; right: 0; height: 3px; background: var(--y); transform-origin: left; transform: scaleX(0); pointer-events: none; }
/* depth ruler + title block in the yellow margin */
.ruler { position: absolute; left: 0; top: 76px; bottom: 34px; width: 70px; pointer-events: none; }
.ruler svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ruler text { font: 700 10.5px var(--mono); fill: var(--k); }
.ruler .rk { stroke: var(--k); stroke-width: 2; }
.ruler .rk--min { stroke-width: 1.5; }
.titleblock { position: absolute; left: 70px; right: 20px; bottom: 0; height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--k); pointer-events: none; }
.titleblock span { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.titleblock__dim { flex: 1; height: 2px; background: var(--k); position: relative; }
.titleblock__dim::before, .titleblock__dim::after { content: ""; position: absolute; top: -5px; width: 2px; height: 12px; background: var(--k); }
.titleblock__dim::before { left: 0; } .titleblock__dim::after { right: 0; }

.hero__copy { position: absolute; left: clamp(22px, 3vw, 48px); bottom: calc(100% - var(--ground, 58%) + 30px); z-index: 5; max-width: min(640px, var(--sky-w, 44vw)); color: var(--w); }
.hero__title { margin: 14px 0 12px; font-size: clamp(40px, min(5vw, 7.6vh), 92px); letter-spacing: -.05em; line-height: .9; text-transform: uppercase; }
.hero__title span { display: inline-block; margin-top: .06em; background: var(--y); color: var(--k); padding: 0 .14em .02em; }
.hero__lede { font-size: clamp(16px, 1.2vw, 19px); line-height: 1.5; color: var(--cc); max-width: 52ch; }
.hero__lede em { font-style: normal; font-weight: 700; color: var(--k); background: var(--c); padding: 0 .25em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.hero__proof { display: none; }

.beats { position: absolute; left: clamp(22px, 3vw, 48px); bottom: calc(100% - var(--ground, 58%) + 34px); z-index: 5; width: min(600px, var(--sky-w, 44vw)); pointer-events: none; color: var(--w); }
.beat { position: absolute; left: 0; bottom: 0; width: 100%; opacity: 0; visibility: hidden; }
.beat__n { display: inline-grid; place-items: center; width: 44px; height: 44px; font: 700 20px/1 var(--display); color: var(--k); background: var(--y); margin-bottom: 18px; letter-spacing: -.04em; }
.beat h2 { font-size: clamp(34px, min(4.6vw, 7.4vh), 76px); letter-spacing: -.05em; line-height: .92; }
.beat p { margin-top: 16px; font-size: clamp(16px, 1.25vw, 19px); color: var(--cc); max-width: 40ch; }

.hud { position: absolute; right: 16px; top: 16px; z-index: 6; display: flex; align-items: stretch; border: 2px solid var(--cc); background: var(--k); color: var(--w); font: 400 12px/1 var(--mono); opacity: 0; transform: translateY(-8px); }
.hud__row { display: flex; align-items: baseline; gap: 6px; padding: 10px 12px; border-right: 2px solid var(--k-3); }
.hud__row span { color: var(--cc); text-transform: uppercase; letter-spacing: .03em; font-size: 10.5px; }
.hud__row b { font-weight: 700; font-size: 14px; min-width: 3.6ch; text-align: right; font-variant-numeric: tabular-nums; }
.hud__row i { font-style: normal; color: var(--cc); }
.hud__state { display: flex; align-items: center; gap: 8px; padding: 10px 13px; background: var(--k-2); transition: background-color .3s, color .3s; }
.hud__state b { font-weight: 700; font-size: 12.5px; white-space: nowrap; text-transform: uppercase; }
.hud__led { width: 9px; height: 9px; background: var(--cc); transition: background-color .3s; }
.hud__state[data-s="damp"] { background: var(--cc); color: var(--k); }
.hud__state[data-s="damp"] .hud__led { background: var(--k); }
.hud__state[data-s="leak"] { background: var(--c); color: var(--k); }
.hud__state[data-s="leak"] .hud__led { background: var(--k); animation: blink .8s infinite; }
.hud__state[data-s="fixed"] { background: var(--y); color: var(--k); }
.hud__state[data-s="fixed"] .hud__led { background: var(--k); }
@keyframes blink { 50% { opacity: .25; } }

.story-rail { position: absolute; right: 16px; top: 74px; z-index: 6; display: flex; gap: 16px; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; color: rgba(189, 189, 181, .55); opacity: 0; }
.story-rail span { transition: color .25s; }
.story-rail span.is-on { color: var(--y); }
.story-rail__bar { position: absolute; left: 0; right: 0; bottom: -10px; height: 3px; background: var(--k-3); overflow: hidden; }
.story-rail__bar i { position: absolute; inset: 0; background: var(--y); transform-origin: left; transform: scaleX(0); }

.play { position: absolute; left: clamp(22px, 3vw, 48px); bottom: calc(100% - var(--ground, 58%) + 34px); z-index: 7; max-width: min(580px, var(--sky-w, 46vw)); opacity: 0; visibility: hidden; transform: translateY(10px); color: var(--w); }
.play__label { font: 700 clamp(34px, min(4vw, 7vh), 60px)/.95 var(--display); letter-spacing: -.05em; margin-bottom: 10px; text-transform: uppercase; }
.play__hint { color: var(--cc); margin-bottom: 18px; font-size: 16px; }
.play__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pchip { display: inline-flex; align-items: center; gap: 9px; padding: 9px 12px; border: 2px solid var(--cc); background: var(--k); color: var(--w); font: 700 13.5px/1 var(--display); transition: background-color .15s, color .15s, transform .18s var(--ease), box-shadow .18s var(--ease); }
.pchip span { width: 26px; height: 14px; border: 2px solid currentColor; position: relative; flex: none; }
.pchip span::after { content: ""; position: absolute; top: 1px; left: 1px; width: 8px; height: 8px; background: currentColor; transition: transform .25s var(--ease); }
.pchip[aria-pressed="true"] { background: var(--y); color: var(--k); border-color: var(--y); }
.pchip[aria-pressed="true"] span::after { transform: translateX(12px); }
.pchip:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 0 var(--c); }
.pchip--rain[aria-pressed="true"] { background: var(--c); border-color: var(--c); }

.scroll-cue { position: absolute; left: 16px; bottom: 16px; z-index: 6; display: flex; align-items: center; gap: 10px; padding: 7px 10px 7px 12px; background: var(--k); font: 700 11.5px/1 var(--mono); color: var(--y); text-transform: uppercase; letter-spacing: .03em; opacity: 0; }
.scroll-cue i { width: 20px; height: 30px; border: 2px solid var(--y); position: relative; }
.scroll-cue i::after { content: ""; position: absolute; left: 6px; top: 5px; width: 4px; height: 7px; background: var(--y); animation: cue 1.6s infinite var(--ease); }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 80% { transform: translateY(10px); opacity: 0; } 100% { opacity: 0; } }

/* hero annotation marks (positioned by JS in stage px); labels hang off leader lines */
.mk { position: absolute; left: 0; top: 0; transform: translate(-50%, -50%); }
.mk__dot { display: block; position: relative; width: 22px; height: 22px; background: var(--y); transform: scale(0); }
.mk__dot::after { content: ""; position: absolute; inset: -7px; border: 2px solid var(--y); animation: ping 1.8s infinite var(--ease); }
.mk__num { position: absolute; inset: 0; display: grid; place-items: center; font: 700 12px/1 var(--mono); color: var(--k); }
@keyframes ping { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }
.mk__label { display: block; position: absolute; left: 40px; top: 50%; transform: translateY(-50%); white-space: nowrap; padding: 7px 10px; background: var(--y); color: var(--k); font: 700 13.5px/1.15 var(--display); letter-spacing: -.01em; opacity: 0; }
.mk__label::before { content: ""; position: absolute; top: 50%; right: 100%; width: 22px; height: 2px; background: var(--y); }
.mk__label small { display: block; font: 400 11px/1.3 var(--mono); margin-top: 3px; text-transform: uppercase; letter-spacing: .02em; }
.mk--left .mk__label { left: auto; right: 40px; }
.mk--left .mk__label::before { right: auto; left: 100%; }
.mk--fix .mk__dot, .mk--fix .mk__label { background: var(--w); }
.mk--fix .mk__dot::after { border-color: var(--w); }
.mk--fix .mk__label::before { background: var(--w); }
.mk--tag .mk__dot { display: none; }
.mk--tag .mk__label { left: 0; transform: translate(-50%, -50%); background: var(--k); color: var(--c); border: 2px solid var(--c); font: 700 10.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; padding: 5px 7px; }
.mk--tag .mk__label::before { display: none; }

/* ───────── sections ───────── */
.sec { position: relative; padding: clamp(90px, 12vw, 170px) var(--pad); background: var(--y); color: var(--k); }
.sec > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.sec__head { margin-bottom: clamp(40px, 5vw, 72px); }
.sec__head--center { text-align: center; }
.sec__head--center .h2, .sec__head--center .sec__sub { margin-left: auto; margin-right: auto; }
.sec__sub { margin-top: 20px; font-size: clamp(17px, 1.35vw, 20px); color: var(--text-2); max-width: 54ch; }
.dark { background: var(--k); color: var(--w); }

/* ───────── symptoms ───────── */
.symptoms__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 44px); align-items: start; }
.symptoms__tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.symptoms__group { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; font: 700 16px/1 var(--display); letter-spacing: -.01em; margin: 4px 0 2px; }
.symptoms__group--b { order: 5; margin-top: 0; padding-top: 36px; }
.stile { position: relative; aspect-ratio: 4 / 5; overflow: hidden; border: var(--b) solid var(--k); padding: 0; background: var(--k); text-align: left; box-shadow: 4px 4px 0 0 var(--k); transition: transform .18s var(--ease), box-shadow .18s var(--ease); isolation: isolate; }
.stile[data-grp="water"] { order: 1; } .stile[data-grp="move"] { order: 6; }
.stile img { position: absolute; inset: 0; width: 100%; height: calc(100% - 44px); object-fit: cover; transition: transform .6s var(--ease), filter .4s; filter: grayscale(.25) contrast(1.05); }
.stile span { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; min-height: 44px; display: flex; align-items: center; padding: 6px 10px; background: var(--k); color: var(--w); font: 700 14px/1.12 var(--display); letter-spacing: -.01em; }
.stile i { position: absolute; top: 8px; left: 8px; z-index: 2; width: 14px; height: 14px; border: 2px solid var(--k); }
.stile[data-grp="water"] i { background: var(--c); }
.stile[data-grp="move"] i { background: var(--y); }
.stile:hover img { transform: scale(1.06); filter: none; }
.stile:hover { transform: translate(-3px, -3px); box-shadow: 7px 7px 0 0 var(--k); }
.stile[aria-selected="true"] { transform: translate(-3px, -3px); box-shadow: 7px 7px 0 0 var(--k); }
.stile[aria-selected="true"] span { background: var(--y); color: var(--k); border-top: var(--b) solid var(--k); }
.stile[aria-selected="true"]::before { content: "✓"; position: absolute; top: 6px; right: 6px; z-index: 3; width: 26px; height: 26px; background: var(--y); color: var(--k); border: 2px solid var(--k); display: grid; place-items: center; font: 700 14px/1 var(--display); }
.sympanel { position: sticky; top: 96px; background: var(--k); color: var(--w); border: var(--b) solid var(--k); overflow: hidden; }
.sympanel__media { position: relative; aspect-ratio: 16 / 9.5; overflow: hidden; background: var(--k-2); border-bottom: var(--b) solid var(--y); }
.sympanel__media img, .sympanel__media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sympanel__tag { position: absolute; left: 14px; top: 14px; padding: 7px 10px; font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; background: var(--k); color: var(--c); }
.sympanel__tag.is-clay { color: var(--y); }
.sympanel__body { padding: clamp(20px, 2.4vw, 32px); }
.sympanel h3 { font-size: clamp(28px, 2.6vw, 40px); letter-spacing: -.04em; }
.sympanel__means { margin-top: 12px; font-size: 18px; line-height: 1.45; color: var(--cc); }
.sympanel__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 22px 0; padding-top: 20px; border-top: 2px solid var(--k-3); }
.sympanel h4 { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; color: var(--y); margin-bottom: 12px; }
.sympanel__cols li { position: relative; padding-left: 18px; font-size: 15px; line-height: 1.35; margin-bottom: 8px; }
.sympanel__cols li::before { content: ""; position: absolute; left: 0; top: .45em; width: 8px; height: 8px; background: var(--cc); }
.fitlist li::before { background: var(--c) !important; }
.urgency { display: flex; align-items: center; gap: 5px; margin-bottom: 20px; font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; color: var(--cc); }
.urgency span { margin-right: 6px; }
.urgency i { width: 30px; height: 10px; border: 2px solid var(--cc); transition: background-color .3s; }
.urgency i.on { background: var(--cc); }
.urgency[data-u="3"] i.on { background: var(--y); border-color: var(--y); }
.urgency b { margin-left: 8px; color: var(--w); font-weight: 700; }

/* ───────── diagnose (black) ───────── */
.diagnose__wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 72px); align-items: center; }
.dsteps { display: flex; flex-direction: column; gap: 8px; }
.dstep { display: flex; gap: 18px; padding: 20px; border: 2px solid var(--k-3); transition: background-color .25s, color .25s, opacity .25s, border-color .25s; opacity: .55; cursor: pointer; }
.dstep.is-on { background: var(--y); color: var(--k); border-color: var(--y); opacity: 1; }
.dstep__n { flex: none; width: 42px; height: 42px; display: grid; place-items: center; background: var(--k-3); color: var(--w); font: 700 19px/1 var(--display); transition: background-color .25s, color .25s; }
.dstep.is-on .dstep__n { background: var(--k); color: var(--y); }
.dstep h3 { font-size: 25px; letter-spacing: -.03em; }
.dstep p { margin-top: 6px; color: var(--cc); font-size: 16px; }
.dstep.is-on p { color: rgba(11, 11, 11, .78); }
.report { background: var(--y); color: var(--k); border: var(--b) solid var(--y); box-shadow: 10px 10px 0 0 var(--cc); overflow: hidden; }
.report__bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: var(--b) solid var(--k); font: 700 12px/1 var(--mono); }
.report__bar b { font-weight: 700; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.report__bar em { font-style: normal; background: var(--k); color: var(--y); padding: 5px 8px; }
.report__dots { display: flex; gap: 5px; } .report__dots i { width: 10px; height: 10px; border: 2px solid var(--k); }
.report__dots i:first-child { background: var(--k); }
.report__body { position: relative; height: clamp(380px, 34vw, 470px); }
.rpage { position: absolute; inset: 0; padding: 20px 22px; opacity: 0; visibility: hidden; display: flex; flex-direction: column; }
.rlabel { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; margin-bottom: 14px; }
.rlabel em { font-style: normal; text-transform: none; font-weight: 400; }
.rphotos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.rph { aspect-ratio: 4 / 3; background: var(--k) center / cover no-repeat; border: var(--b) solid var(--k); }
.rfacts { margin: 18px 0 0; display: grid; gap: 0; }
.rfacts div { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 12px 0; border-top: 2px solid var(--k); font-size: 15.5px; }
.rfacts dt { font: 700 12px/1.6 var(--mono); text-transform: uppercase; }
.rfacts dd { margin: 0; font-weight: 600; }
.relev { width: 100%; height: auto; background: var(--k); border: var(--b) solid var(--k); flex: 1; min-height: 0; object-fit: contain; }
.rread { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.rread span { font: 400 12.5px/1 var(--mono); padding: 8px 10px; background: var(--k); color: var(--w); }
.rread b { color: var(--c); font-weight: 700; }
.rdiag { width: 100%; flex: 1; min-height: 0; background: var(--k); border: var(--b) solid var(--k); }
.rcauses { display: grid; gap: 6px; margin-top: 12px; }
.rcauses li { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 700; }
.rcauses b { width: 24px; height: 24px; background: var(--k); color: var(--y); font: 700 12px/24px var(--mono); text-align: center; flex: none; }
.ropts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; flex: 1; }
.ropt { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 14px; border: var(--b) solid var(--k); }
.ropt > b { font: 700 13px/1 var(--mono); width: 28px; height: 28px; display: grid; place-items: center; background: var(--k); color: var(--y); }
.ropt h5 { font-size: 18px; letter-spacing: -.02em; line-height: 1.1; }
.ropt p { font-size: 13.5px; color: rgba(11, 11, 11, .78); line-height: 1.35; flex: 1; }
.ropt strong { font: 700 23px/1 var(--display); letter-spacing: -.03em; }
.ropt em { position: absolute; top: 12px; right: 10px; font: 700 10.5px/1 var(--mono); text-transform: uppercase; background: var(--c); color: var(--k); padding: 5px 6px; font-style: normal; }
.ropt--pick { background: var(--k); color: var(--w); }
.ropt--pick p { color: var(--cc); }
.ropt--pick > b { background: var(--y); color: var(--k); }
.rmess { display: flex; gap: 4px; } .rmess i { width: 18px; height: 8px; border: 2px solid var(--k); }
.rmess i.on { background: var(--k); }
.ropt--pick .rmess i { border-color: var(--cc); } .ropt--pick .rmess i.on { background: var(--y); border-color: var(--y); }

/* ───────── fixes ───────── */
.fixes__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(16px, 2vw, 32px); align-items: start; }
.fcol__head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.fcol__head h3 { font-size: 21px; letter-spacing: -.03em; }
.fcol__badge { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; padding: 7px 9px; background: var(--k); }
.fcol--dry .fcol__badge { color: var(--c); }
.fcol--sound .fcol__badge { color: var(--y); }
.flist { display: flex; flex-direction: column; gap: 10px; }
.fitem { position: relative; padding: 15px 16px; background: var(--y); border: var(--b) solid var(--k); box-shadow: 4px 4px 0 0 var(--k); cursor: default; transition: background-color .15s, color .15s, transform .18s var(--ease), box-shadow .18s var(--ease); }
.fitem h4 { font-size: 19px; letter-spacing: -.025em; display: flex; align-items: center; gap: 8px; }
.fitem p { font-size: 14.5px; color: rgba(11, 11, 11, .78); margin-top: 6px; line-height: 1.4; }
.fitem__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.fitem__meta span { font: 700 11px/1 var(--mono); padding: 5px 7px; border: 2px solid var(--k); }
.fitem__meta .mess { display: inline-flex; gap: 3px; align-items: center; }
.fitem__meta .mess i { width: 12px; height: 7px; border: 1.5px solid var(--k); }
.fitem__meta .mess i.on { background: var(--k); }
.fitem.is-hot, .fitem:hover { background: var(--k); color: var(--w); transform: translate(-3px, -3px); box-shadow: 7px 7px 0 0 var(--k); }
.fitem.is-hot p, .fitem:hover p { color: var(--cc); }
.fitem.is-hot .fitem__meta span, .fitem:hover .fitem__meta span { border-color: var(--cc); }
.fitem.is-hot .fitem__meta .mess i, .fitem:hover .fitem__meta .mess i { border-color: var(--cc); }
.fitem.is-hot .fitem__meta .mess i.on, .fitem:hover .fitem__meta .mess i.on { background: var(--cc); }
.fcol--dry .fitem.is-hot { box-shadow: 7px 7px 0 0 var(--k), inset 6px 0 0 var(--c); }
.fcol--sound .fitem.is-hot { box-shadow: 7px 7px 0 0 var(--k), inset 6px 0 0 var(--y); }
.fdiag { position: sticky; top: 100px; margin: 0; background: var(--k); border: var(--b) solid var(--k); box-shadow: var(--sh) var(--sh) 0 0 rgba(11, 11, 11, .3); padding: 12px; }
.fdiag svg { width: 100%; height: auto; }
.fdiag figcaption { text-align: center; font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; color: var(--y); padding: 10px 0 4px; min-height: 26px; }
.fnote { display: block; margin-top: 14px; padding: 16px 18px; background: var(--k); color: var(--w); text-decoration: none; font-size: 15px; line-height: 1.4; border: var(--b) solid var(--k); transition: transform .18s var(--ease), box-shadow .18s var(--ease); }
.fnote b { color: var(--y); }
.fnote span { display: inline-block; transition: transform .25s var(--ease); color: var(--y); }
.fnote:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 0 rgba(11, 11, 11, .35); }
.fnote:hover span { transform: translateX(4px); }
/* line-art diagram on black */
.ld { fill: none; stroke: var(--cc); stroke-width: 1.6; stroke-linecap: square; stroke-linejoin: miter; }
.ld-soil { fill: #1E1C18; stroke: none; }
.ld-soil2 { fill: #2B2822; stroke: none; }
.ld-conc { fill: #3A3A37; stroke: var(--cc); stroke-width: 1.4; }
.ld-room { fill: #121212; stroke: none; }
.ld-thin { stroke-width: 1; opacity: .5; }
.ld-label { font: 700 11px var(--mono); fill: var(--cc); text-transform: uppercase; letter-spacing: .02em; }
.ld-dim { stroke: var(--y); stroke-width: 1.5; fill: none; }
.ld-dimt { font: 700 11px var(--mono); fill: var(--y); }
.part { opacity: .3; transition: opacity .3s; }
.part .ld, .part .pf { transition: stroke .25s, fill .25s; }
.part.is-hot { opacity: 1; }
.part.is-hot .ld { stroke-width: 2.6; }
.part--dry.is-hot .ld { stroke: var(--c); }
.part--dry.is-hot .pf { fill: var(--c); }
.part--sound.is-hot .ld { stroke: var(--y); }
.part--sound.is-hot .pf { fill: var(--y); }
.pf { fill: var(--cc); stroke: none; }
.flow { stroke: var(--c); stroke-width: 2.2; stroke-dasharray: 4 7; fill: none; animation: flow 1.1s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -22; } }

/* ───────── compare (black) ───────── */
.compare__cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.ccard { position: relative; display: flex; flex-direction: column; background: var(--y); color: var(--k); border: var(--b) solid var(--y); box-shadow: 8px 8px 0 0 var(--k-3); transition: transform .2s var(--ease), box-shadow .2s var(--ease); }
.ccard:hover { transform: translate(-4px, -4px); box-shadow: 12px 12px 0 0 var(--cc); }
.ccard--pick { background: var(--c); border-color: var(--c); }
.ccard__tag { position: absolute; top: 14px; right: 14px; z-index: 2; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; padding: 6px 8px; background: var(--y); color: var(--k); border: 2px solid var(--k); }
.ccard--pick .ccard__tag { background: var(--k); color: var(--c); border-color: var(--k); }
.ccard__viz { position: relative; aspect-ratio: 16 / 10; background: var(--k); border-bottom: var(--b) solid var(--k); }
.ccard__viz svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.ccard__body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.ccard h3 { font-size: 30px; letter-spacing: -.04em; }
.crow { display: grid; grid-template-columns: 108px 1fr; gap: 10px; font-size: 15px; line-height: 1.35; padding-top: 12px; border-top: 2px solid var(--k); }
.crow dt { font: 700 11.5px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .02em; }
.crow dd { margin: 0; font-weight: 700; }
.crow dd.no { font-weight: 500; color: rgba(11, 11, 11, .8); }
.crow .mess { display: inline-flex; gap: 4px; margin-right: 8px; vertical-align: 1px; }
.crow .mess i { width: 18px; height: 9px; border: 2px solid var(--k); }
.crow .mess i.on { background: var(--k); }
.ccard dl { margin: 0; display: grid; gap: 12px; }
.cbest { margin-top: auto; padding: 14px 16px; background: var(--k); color: var(--w); font-size: 14.5px; line-height: 1.4; }
.cbest b { display: block; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; color: var(--y); margin-bottom: 7px; }
.ccard--pick .cbest b { color: var(--c); }
.compare__note { display: flex; align-items: center; gap: 14px; margin-top: 28px; padding: 16px 20px; background: var(--y); color: var(--k); font-size: 16px; font-weight: 500; }
.compare__note-ic { flex: none; width: 30px; height: 30px; display: grid; place-items: center; background: var(--k); color: var(--y); font: 700 15px/1 var(--mono); }

/* ───────── work ───────── */
.work__cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.wcard { background: var(--y); border: var(--b) solid var(--k); box-shadow: var(--sh) var(--sh) 0 0 var(--k); }
.ba { position: relative; aspect-ratio: 4 / 3.3; overflow: hidden; cursor: ew-resize; touch-action: pan-y; user-select: none; --p: 50%; background: var(--k); border-bottom: var(--b) solid var(--k); }
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.ba__after { clip-path: inset(0 0 0 var(--p)); }
.ba__line { position: absolute; top: 0; bottom: 0; left: var(--p); width: 3px; margin-left: -1.5px; background: var(--y); }
.ba__knob { position: absolute; top: 50%; left: var(--p); width: 44px; height: 44px; margin: -22px 0 0 -22px; background: var(--y); border: var(--b) solid var(--k); display: grid; place-items: center; font: 700 15px/1 var(--mono); color: var(--k); }
.ba__lbl { position: absolute; top: 10px; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; padding: 6px 8px; background: var(--k); color: var(--w); }
.ba__lbl--b { left: 10px; } .ba__lbl--a { right: 10px; background: var(--y); color: var(--k); border: 2px solid var(--k); }
.wcard__body { padding: 18px 20px 22px; }
.wcard__where { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; }
.wcard h3 { font-size: 24px; letter-spacing: -.035em; margin: 10px 0 14px; line-height: 1.08; }
.wcard dl { margin: 0; display: grid; gap: 8px; }
.wcard dl div { display: grid; grid-template-columns: 70px 1fr; gap: 10px; font-size: 14.5px; line-height: 1.35; }
.wcard dt { font: 700 11px/1.6 var(--mono); text-transform: uppercase; }
.wcard dd { margin: 0; }
.wcard__result { margin-top: 16px; padding: 12px 14px; background: var(--k); color: var(--w); font-weight: 700; font-size: 15px; display: flex; gap: 10px; align-items: center; }
.wcard__result::before { content: ""; flex: none; width: 12px; height: 12px; background: var(--c); }
.reel { margin-top: clamp(60px, 7vw, 110px); }
.reel__head { display: flex; align-items: end; gap: 24px; margin-bottom: 22px; flex-wrap: wrap; }
.reel__head h3 { font-size: clamp(30px, 3vw, 44px); letter-spacing: -.04em; }
.reel__head p { color: var(--text-2); max-width: 44ch; }
.reel__hint { margin-left: auto; font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .03em; padding: 8px 10px; border: 2px solid var(--k); }
.reel__hint i { font-style: normal; display: inline-block; animation: nudge 1.6s infinite var(--ease); }
@keyframes nudge { 50% { transform: translateX(5px); } }
.reel__track { display: flex; gap: 18px; overflow-x: auto; scrollbar-width: none; cursor: grab; padding: 0 10px 12px 0; scroll-snap-type: x proximity; overscroll-behavior-x: contain; }
.reel__track::-webkit-scrollbar { display: none; }
.reel__track.is-drag { cursor: grabbing; scroll-snap-type: none; }
.rcard { flex: none; width: clamp(220px, 23vw, 330px); scroll-snap-align: start; }
.rcard__img { aspect-ratio: 4 / 5; overflow: hidden; background: var(--k); border: var(--b) solid var(--k); box-shadow: 5px 5px 0 0 var(--k); }
.rcard__img img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; transition: transform .6s var(--ease); }
.rcard:hover .rcard__img img { transform: scale(1.04); }
.rcard p { margin-top: 14px; font-size: 15px; color: var(--text-2); } .rcard p b { display: block; font: 700 17px/1.2 var(--display); margin-bottom: 3px; color: var(--k); letter-spacing: -.02em; }

/* ───────── warranty / portal (black) ───────── */
.warranty { overflow: hidden; }
.storm { position: relative; margin: 0 auto clamp(40px, 5vw, 70px); aspect-ratio: 21 / 8; overflow: hidden; background: var(--k-2) center / cover no-repeat; border: var(--b) solid var(--y); box-shadow: 10px 10px 0 0 var(--k-3); }
.storm video { width: 100%; height: 100%; object-fit: cover; }
.storm__log { position: absolute; left: 18px; bottom: 18px; display: flex; align-items: center; gap: 16px; padding: 14px 16px; background: var(--y); color: var(--k); border: var(--b) solid var(--k); }
.storm__log b { display: block; font: 700 16px/1.2 var(--display); letter-spacing: -.02em; }
.storm__log small { font: 400 12px/1.4 var(--mono); }
.storm__log dl { display: flex; gap: 18px; margin: 0 0 0 8px; padding-left: 18px; border-left: 2px solid var(--k); }
.storm__log dt { font: 700 10.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; }
.storm__log dd { margin: 6px 0 0; font: 700 26px/1 var(--display); font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.storm__log dd.ok { background: var(--k); color: var(--c); padding: 2px 6px; }
.storm__led { width: 12px; height: 12px; background: var(--k); animation: blink 1.4s infinite; }
.scope { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.scope__col { padding: clamp(22px, 2.6vw, 36px); border: var(--b) solid var(--cc); }
.scope__col--yes { background: var(--y); color: var(--k); border-color: var(--y); }
.scope__col h3 { font-size: 24px; display: flex; align-items: center; gap: 12px; margin-bottom: 18px; letter-spacing: -.03em; }
.scope__col h3::before { content: "✓"; width: 32px; height: 32px; display: grid; place-items: center; background: var(--k); color: var(--y); font: 700 16px/1 var(--display); }
.scope__col--no h3::before { content: "×"; background: var(--cc); color: var(--k); font-size: 22px; }
.scope__col li { padding: 13px 0; border-top: 2px solid rgba(189, 189, 181, .3); font-size: 16px; color: var(--cc); line-height: 1.4; }
.scope__col li b { color: var(--w); font-weight: 700; }
.scope__col--yes li { border-color: var(--k); color: rgba(11, 11, 11, .8); }
.scope__col--yes li b { color: var(--k); }
.after { margin-top: clamp(60px, 7vw, 100px); }
.after__title { font-size: clamp(26px, 2.4vw, 34px); margin-bottom: 26px; letter-spacing: -.035em; }
.timeline { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; padding-top: 38px; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 9px; height: 3px; background: var(--k-3); }
.timeline::after { content: ""; position: absolute; left: 0; right: 0; top: 9px; height: 3px; background: var(--y); transform-origin: left; transform: scaleX(var(--tl, 0)); }
.timeline li { position: relative; }
.timeline li::before { content: ""; position: absolute; top: -38px; left: 0; width: 20px; height: 20px; background: var(--k); border: var(--b) solid var(--k-3); transition: background-color .3s, border-color .3s; z-index: 1; }
.timeline li.is-on::before { background: var(--y); border-color: var(--y); }
.timeline span { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; color: var(--y); }
.timeline b { display: block; font: 700 20px/1.15 var(--display); margin: 10px 0 6px; letter-spacing: -.02em; }
.timeline p { font-size: 14.5px; color: var(--cc); line-height: 1.4; }
.portal { margin-top: clamp(80px, 9vw, 140px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: clamp(24px, 5vw, 80px); align-items: center; }
.portal__tabs { display: flex; flex-direction: column; gap: 6px; margin: 26px 0 20px; }
.portal__tabs button { width: 100%; text-align: left; border: 2px solid transparent; background: transparent; color: var(--cc); font: 700 clamp(20px, 2vw, 28px)/1.1 var(--display); letter-spacing: -.03em; padding: 10px 14px 12px 40px; position: relative; transition: color .2s, background-color .2s, border-color .2s; }
.portal__tabs button::before { content: ""; position: absolute; left: 12px; top: 50%; width: 14px; height: 14px; margin-top: -7px; border: 2px solid currentColor; transition: background-color .2s; }
.portal__tabs button:hover { border-color: var(--k-3); color: var(--w); }
.portal__tabs button[aria-pressed="true"] { color: var(--k); background: var(--y); border-color: var(--y); }
.portal__tabs button[aria-pressed="true"]::before { background: var(--k); border-color: var(--k); }
.portal__tabs button .pbar { position: absolute; left: 0; right: 0; bottom: -2px; height: 4px; overflow: hidden; }
.portal__tabs button .pbar i { position: absolute; inset: 0; background: var(--k); transform-origin: left; transform: scaleX(0); }
.portal__note { font-size: 15px; color: var(--cc); }
.phone { position: relative; width: min(340px, 80vw); aspect-ratio: 9 / 18.5; margin: 0 auto; background: var(--k-2); padding: 12px; border: var(--b) solid var(--y); box-shadow: 12px 12px 0 0 var(--k-3); }
.phone__notch { position: absolute; top: 20px; left: 50%; width: 88px; height: 22px; margin-left: -44px; background: var(--k); z-index: 3; }
.phone__screen { position: relative; height: 100%; overflow: hidden; background: var(--y); color: var(--k); }
.pscr { position: absolute; inset: 0; padding: 54px 16px 16px; display: flex; flex-direction: column; gap: 10px; }
.pscr__top { display: flex; justify-content: space-between; align-items: center; font: 700 11.5px/1 var(--mono); text-transform: uppercase; }
.pscr h4 { font-size: 26px; letter-spacing: -.045em; line-height: 1; }
.pcard { background: var(--y); border: 2px solid var(--k); padding: 11px 12px; font-size: 13px; line-height: 1.35; }
.pcard b { display: block; font-size: 14px; margin-bottom: 2px; letter-spacing: -.01em; }
.pcard small { font: 700 10px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .02em; }
.pcard--hi { background: var(--k); color: var(--w); }
.pcard--hi small { color: var(--c); }
.pcard--lvl { background: var(--k); color: var(--y); }
.pimg { height: 120px; background: var(--k) center / cover; position: relative; overflow: hidden; border: 2px solid var(--k); }
.pimg i { position: absolute; width: 18px; height: 18px; background: var(--y); border: 2px solid var(--k); color: var(--k); font: 700 9px/14px var(--mono); text-align: center; font-style: normal; }
.pbtn { margin-top: auto; background: var(--k); color: var(--y); padding: 14px; text-align: center; font-weight: 700; font-size: 14px; }
.pbtn--lvl { background: var(--k); color: var(--c); }
.prow { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.ptoggle { width: 36px; height: 20px; background: var(--k); position: relative; flex: none; }
.ptoggle::after { content: ""; position: absolute; right: 3px; top: 3px; width: 14px; height: 14px; background: var(--y); }

/* ───────── who ───────── */
.who { padding-top: clamp(70px, 8vw, 120px); }
.creds { display: grid; grid-template-columns: repeat(4, 1fr); border: var(--b) solid var(--k); box-shadow: var(--sh) var(--sh) 0 0 var(--k); }
.cred { padding: clamp(22px, 2.6vw, 36px); border-right: var(--b) solid var(--k); }
.cred:last-child { border-right: 0; background: var(--k); color: var(--y); }
.cred b { display: block; font: 700 clamp(46px, 5.4vw, 84px)/1 var(--display); letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.cred span { display: block; margin-top: 10px; font-size: 15px; color: var(--text-2); max-width: 22ch; }
.cred:last-child span { color: var(--cc); }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px !important; }
.badges li { font: 700 12.5px/1 var(--mono); padding: 9px 12px; border: 2px solid var(--k); }
.badges li::before { content: "✓ "; font-weight: 700; }
.aud { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: clamp(50px, 6vw, 90px) !important; }
.aud__card { display: flex; flex-direction: column; gap: 10px; padding: 22px; background: var(--y); border: var(--b) solid var(--k); box-shadow: 4px 4px 0 0 var(--k); text-decoration: none; min-height: 230px; transition: transform .18s var(--ease), box-shadow .18s var(--ease), background-color .15s, color .15s; }
.aud__card h3 { font-size: 24px; letter-spacing: -.035em; }
.aud__card p { font-size: 15px; color: rgba(11, 11, 11, .78); line-height: 1.45; flex: 1; }
.aud__card span { font-weight: 700; font-size: 15px; }
.aud__card:hover { transform: translate(-4px, -4px); box-shadow: 8px 8px 0 0 var(--k); background: var(--k); color: var(--y); }
.aud__card:hover p { color: var(--cc); }

/* ───────── book (black) ───────── */
.book__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr); gap: clamp(24px, 4vw, 64px); align-items: start; }
.book .h2 { max-width: 18ch; }
.bform { margin-top: 36px; position: relative; }
.bform__prog { height: 8px; border: 2px solid var(--cc); overflow: hidden; margin-bottom: 26px; }
.bform__prog i { display: block; height: 100%; width: 0; background: var(--y); transition: width .5s var(--ease); }
.bq { border: 0; margin: 0; padding: 0; min-width: 0; display: none; }
.bq.is-on { display: block; }
.bq legend { font: 700 clamp(24px, 2.4vw, 32px)/1.1 var(--display); letter-spacing: -.035em; margin-bottom: 18px; padding: 0; }
.bq legend em { font: 400 15px var(--body); color: var(--cc); margin-left: 8px; letter-spacing: 0; font-style: normal; }
.opts { display: flex; flex-wrap: wrap; gap: 10px; }
.opt { display: inline-flex; align-items: center; gap: 10px; padding: 12px 14px; border: 2px solid var(--cc); background: var(--k); color: var(--w); font: 600 15.5px/1.1 var(--body); transition: background-color .15s, color .15s, border-color .15s, transform .18s var(--ease), box-shadow .18s var(--ease); text-align: left; }
.opt i { width: 18px; height: 18px; border: 2px solid currentColor; display: grid; place-items: center; font: 700 11px/1 var(--body); font-style: normal; flex: none; }
.opts--single .opt i { border-radius: 50%; }
.opt:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 0 var(--c); border-color: var(--w); }
.opt[aria-pressed="true"] { background: var(--y); color: var(--k); border-color: var(--y); }
.opt[aria-pressed="true"] i { background: var(--k); border-color: var(--k); color: var(--y); }
.opt[aria-pressed="true"] i::after { content: "✓"; }
.opt small { display: block; font: 500 12.5px var(--body); color: var(--cc); margin-top: 3px; }
.opt[aria-pressed="true"] small { color: rgba(11, 11, 11, .75); }
.opts--sm { margin-top: 14px; } .opts--sm .opt { padding: 9px 12px; font-size: 14px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; flex: 1; }
.field span { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; color: var(--y); }
.field span em { text-transform: none; font-style: normal; font-weight: 400; color: var(--cc); }
.field input, .field textarea { width: 100%; font: 500 17px/1.3 var(--body); color: var(--w); padding: 14px 15px; border: 2px solid var(--cc); background: var(--k-2); outline: none; transition: border-color .15s, box-shadow .15s; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #8C8C86; }
.field input:focus, .field textarea:focus { border-color: var(--y); box-shadow: 4px 4px 0 0 var(--y); }
.field-row { display: flex; gap: 12px; }
.drop { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 34px 20px; background: var(--k-2); border: 3px dashed var(--y); text-align: center; cursor: pointer; transition: background-color .15s; }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop.is-over { background: #222; }
.drop__ic { width: 46px; height: 46px; background: var(--y); color: var(--k); display: grid; place-items: center; font: 700 28px/1 var(--display); margin-bottom: 6px; }
.drop b { font-size: 17px; } .drop small { color: var(--cc); font-size: 14px; }
.thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.thumbs figure { position: relative; margin: 0; width: 86px; height: 86px; overflow: hidden; border: var(--b) solid var(--y); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.thumbs button { position: absolute; top: 3px; right: 3px; width: 22px; height: 22px; border: 0; background: var(--k); color: var(--y); font-size: 14px; line-height: 1; padding: 0; }
.bform__nav { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; }
.bform__nav [data-bnext] { margin-left: auto; }
.bform__err { margin-top: 14px; padding: 10px 12px; background: var(--y); color: var(--k); font-weight: 700; font-size: 15px; display: inline-block; }
.bform__err::before { content: "! "; }
.bq--done { text-align: left; padding: 10px 0; }
.bq--done.is-on { display: block; }
.done__ic svg { width: 88px; height: 44px; margin-bottom: 18px; }
.done__ic rect { fill: var(--y); stroke: var(--y); stroke-width: 2; }
.done__ic circle { fill: var(--k); }
.bq--done h3 { font-size: clamp(30px, 3vw, 44px); letter-spacing: -.04em; }
.bq--done p { margin-top: 12px; color: var(--cc); max-width: 46ch; }
.ticket { position: sticky; top: 100px; background: var(--y); color: var(--k); padding: 20px 20px 16px; border: var(--b) solid var(--y); box-shadow: 10px 10px 0 0 var(--cc); overflow: hidden; }
.ticket::before { content: ""; position: absolute; left: 0; right: 0; top: 60px; border-top: 3px dashed var(--k); }
.ticket__top { display: flex; justify-content: space-between; align-items: center; font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; padding-bottom: 26px; }
.ticket__top b { background: var(--k); color: var(--y); padding: 5px 7px; }
.ticket dl { margin: 12px 0 0; }
.ticket dl div { display: grid; grid-template-columns: 76px 1fr; gap: 10px; padding: 11px 0; border-bottom: 2px solid var(--k); font-size: 14.5px; }
.ticket dt { font: 700 11.5px/1.5 var(--mono); text-transform: uppercase; }
.ticket dd { margin: 0; font-weight: 700; min-height: 1.3em; }
.ticket dd.is-new { animation: pop .5s var(--ease); }
@keyframes pop { 0% { background: var(--k); color: var(--y); } 100% { background: transparent; } }
.ticket__guess { margin: 16px 0 12px; padding: 14px 16px; background: var(--k); color: var(--w); display: flex; flex-direction: column; gap: 5px; }
.ticket__guess span { font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; color: var(--cc); }
.ticket__guess b { font: 700 19px/1.2 var(--display); color: var(--y); letter-spacing: -.02em; }
.ticket__call { font-size: 14px; color: rgba(11, 11, 11, .8); } .ticket__call a { color: var(--k); font-weight: 700; }
.ticket__stamp { position: absolute; right: 16px; top: 116px; transform: rotate(-10deg) scale(1.6); opacity: 0; padding: 8px 14px; border: 4px solid var(--k); color: var(--k); font: 700 20px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; pointer-events: none; }
.ticket.is-sent .ticket__stamp { animation: stamp .45s var(--ease) forwards; }
@keyframes stamp { to { opacity: .92; transform: rotate(-10deg) scale(1); } }

/* ───────── footer (yellow sign) ───────── */
.foot { background: var(--y); color: var(--k); padding: clamp(60px, 8vw, 110px) var(--pad) 28px; overflow: hidden; border-top: var(--b) solid var(--k); }
.foot > * { max-width: var(--maxw); margin: 0 auto; }
.foot__big { display: flex; align-items: center; justify-content: center; gap: .06em; font: 700 clamp(58px, 15vw, 240px)/.86 var(--display); letter-spacing: -.07em; text-transform: uppercase; color: var(--k); margin-bottom: clamp(50px, 6vw, 90px); white-space: nowrap; }
.foot__big i { font-style: normal; display: inline-grid; place-items: center; background: var(--k); color: var(--y); padding: 0 .08em .04em; line-height: 1; letter-spacing: 0; }
.foot__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; padding-top: 30px; border-top: var(--b) solid var(--k); }
.foot h4 { font: 700 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .02em; margin-bottom: 16px; }
.foot li { margin-bottom: 9px; }
.foot a { text-decoration: none; color: var(--k); font-weight: 500; background-image: linear-gradient(var(--k), var(--k)); background-size: 0 2px; background-position: 0 100%; background-repeat: no-repeat; transition: background-size .25s var(--ease); }
.foot a:hover { background-size: 100% 2px; }
.foot p { color: rgba(11, 11, 11, .8); font-size: 15px; line-height: 1.6; }
.foot .btn { margin-top: 16px; background: var(--k); color: var(--y); background-image: none; }
.foot .btn:hover { background: var(--y); color: var(--k); }
.foot__legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 50px !important; font: 400 12px/1.4 var(--mono); color: rgba(11, 11, 11, .78); }

/* ───────── reveal helpers ───────── */
.rv { opacity: 0; transform: translateY(28px); }
.still .rv { opacity: 1 !important; transform: none !important; }

/* ───────── responsive ───────── */
@media (max-height: 800px) and (min-width: 901px) {
  .hero__copy .chip { display: none; }
  .hero__title { margin-top: 0; }
  .hero__lede { font-size: 15px; }
  .hero__actions { margin-top: 14px; }
  .hero__actions .btn { padding: 11px 16px; font-size: 15px; }
  .beat__n { width: 36px; height: 36px; font-size: 17px; margin-bottom: 12px; }
  .beat p { font-size: 15px; margin-top: 10px; }
}
@media (max-width: 1180px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
  .fixes__grid { grid-template-columns: 1fr 1fr; }
  .fdiag { grid-column: 1 / -1; grid-row: 1; position: relative; top: 0; max-width: 640px; margin: 0 auto 14px; width: 100%; }
  .symptoms__grid { grid-template-columns: 1fr; }
  .sympanel { position: relative; top: 0; }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .aud { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  body { font-size: 16px; }
  .nav { height: 58px; padding: 0 12px 0 14px; }
  .nav__cta .btn, .nav__phone { display: none; }
  .nav__burger { display: block; }
  .hero__stage { top: 66px; left: 8px; right: 8px; bottom: 8px; }
  .ruler, .titleblock { display: none; }
  .hero__copy { left: 16px; right: 16px; max-width: none; }
  .hero__stage::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: calc(var(--ground, 50%) - 6px); z-index: 4; pointer-events: none;
    background: linear-gradient(180deg, rgba(11, 11, 11, .96) 0, rgba(11, 11, 11, .9) 62%, rgba(11, 11, 11, .5) 88%, rgba(11, 11, 11, 0) 100%); }
  .mk__label small { display: none; }
  .mk__label { font-size: 12px; padding: 6px 8px; left: 32px; }
  .mk--left .mk__label { right: 32px; }
  .mk__label::before { width: 14px; }
  .hero__title { font-size: clamp(40px, 11.5vw, 60px); margin: 14px 0 12px; }
  .hero__lede { font-size: 15.5px; }
  .hero__actions .btn { padding: 12px 16px; font-size: 15px; }
  .chip { font-size: 11px; }
  .beats { left: 16px; right: 16px; width: auto; }
  .beat h2 { font-size: clamp(32px, 9vw, 46px); }
  .beat p { font-size: 15.5px; }
  .hud { left: auto; right: 8px; top: auto; bottom: 8px; }
  .hud__row { padding: 7px 8px; } .hud__row span { font-size: 9.5px; } .hud__row b { font-size: 12.5px; }
  .hud__row:nth-child(1), .hud__row:nth-child(3) { display: none; }
  .story-rail { display: none; }
  .play { left: 16px; right: 16px; max-width: none; }
  .play__hint { font-size: 14.5px; margin-bottom: 12px; }
  .pchip { padding: 8px 10px; font-size: 12.5px; }
  .scroll-cue { bottom: 56px; left: 12px; padding: 6px; }
  .scroll-cue span { display: none; }
  .snum { min-width: 48px; height: 48px; font-size: 22px; margin-bottom: 18px; }
  .symptoms__tiles { grid-template-columns: repeat(2, 1fr); }
  .sympanel__cols { grid-template-columns: 1fr; gap: 10px; }
  .diagnose__wrap { grid-template-columns: 1fr; }
  .dsteps { flex-direction: row; overflow-x: auto; scrollbar-width: none; gap: 8px; margin: 0 -18px; padding: 0 18px; }
  .dsteps::-webkit-scrollbar { display: none; }
  .dstep { flex: none; width: 76vw; }
  .report { box-shadow: 6px 6px 0 0 var(--cc); }
  .report__body { height: 420px; }
  .ropts { grid-template-columns: 1fr; gap: 6px; }
  .ropt { flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 12px; gap: 6px 10px; }
  .ropt p { display: none; } .ropt h5 { font-size: 15px; flex: 1; } .ropt strong { font-size: 17px; } .ropt em { position: static; }
  .fixes__grid { grid-template-columns: 1fr; }
  .compare__cards, .work__cards { grid-template-columns: 1fr; }
  .scope { grid-template-columns: 1fr; }
  .storm { aspect-ratio: 4 / 3.4; box-shadow: 6px 6px 0 0 var(--k-3); }
  .storm__log { left: 10px; right: 10px; bottom: 10px; flex-wrap: wrap; gap: 10px; }
  .storm__log dl { margin: 0; padding: 0; border: 0; width: 100%; }
  .timeline { grid-template-columns: 1fr; padding: 0 0 0 38px; row-gap: 26px; }
  .timeline::before, .timeline::after { left: 9px; right: auto; top: 0; bottom: 0; width: 3px; height: auto; }
  .timeline::after { transform-origin: top; transform: scaleY(var(--tl, 0)); }
  .timeline li::before { left: -38px; top: 0; }
  .portal { grid-template-columns: 1fr; }
  .creds { grid-template-columns: 1fr 1fr; }
  .cred:nth-child(2) { border-right: 0; }
  .cred:nth-child(-n+2) { border-bottom: var(--b) solid var(--k); }
  .aud { grid-template-columns: 1fr; }
  .aud__card { min-height: 0; }
  .book__grid { grid-template-columns: 1fr; }
  .ticket { position: relative; top: 0; box-shadow: 6px 6px 0 0 var(--cc); }
  .field-row { flex-direction: column; gap: 0; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .rfacts div { grid-template-columns: 90px 1fr; }
}
@media (max-width: 520px) {
  .symptoms__tiles { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .foot__grid { grid-template-columns: 1fr; }
  .crow { grid-template-columns: 92px 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}