/* ==========================================================================
   TUFF BREED® — tuffbreed.com
   Design system + component styles
   Brand colours sampled directly from the supplied Tuff Breed logo artwork
   and the Super DUG 2026 banner stand / booth skin concept.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand — sampled from supplied artwork (do not substitute) */
  --tb-orange:        #f58a23;   /* logo field + BREED lettering */
  --tb-orange-hot:    #ff9e3d;
  --tb-orange-deep:   #c96a12;
  --tb-blue:          #0477bf;   /* banner stand bar */
  --tb-blue-lite:     #3078c0;   /* logo field */
  --tb-blue-glow:     #4aa6e8;

  /* Neutrals — rugged oilfield range */
  --tb-black:         #08090b;
  --tb-charcoal:      #101318;
  --tb-steel:         #171b22;
  --tb-steel-2:       #1f242d;
  --tb-line:          #2b323d;
  --tb-gray:          #8b939f;
  --tb-gray-lite:     #b9c0c9;
  --tb-white:         #f4f6f8;

  /* Semantic */
  --bg:               var(--tb-black);
  --surface:          var(--tb-charcoal);
  --surface-2:        var(--tb-steel);
  --text:             var(--tb-white);
  --text-dim:         var(--tb-gray-lite);
  --text-mute:        var(--tb-gray);
  --rule:             var(--tb-line);

  /* Type */
  --font-display: "Archivo", "Arial Narrow", Impact, sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono:    ui-monospace, "SFMono-Regular", "Roboto Mono", Menlo, monospace;

  /* Rhythm */
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --maxw: 84rem;
  --sec-y: clamp(4.5rem, 9vw, 9rem);
  --radius: 3px;
  --radius-lg: 5px;

  /* Motion */
  --dur-hover: .24s;
  --dur-enter: .7s;
  --ease-out: cubic-bezier(.16, 1, .3, 1);           /* ~expo.out */
  --ease-pow: cubic-bezier(.215, .61, .355, 1);      /* ~power3.out */

  --nav-h: 74px;
}

/* --------------------------------------------------------------------------
   2. RESET / BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.075rem);
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 82%;
  line-height: .95;
  letter-spacing: -.01em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; }

::selection { background: var(--tb-orange); color: #000; }

/* Focus — always visible, never colour-only */
:focus-visible {
  outline: 3px solid var(--tb-orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: 12px; top: -120px; z-index: 999;
  background: var(--tb-orange); color: #000;
  padding: .8rem 1.25rem; font-weight: 700; border-radius: var(--radius);
  transition: top .2s var(--ease-pow);
}
.skip-link:focus { top: 12px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --------------------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: 62rem; }

.section { padding-block: var(--sec-y); position: relative; }

/* Eyebrow / small technical heading */
.eyebrow {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: var(--font-body);
  font-size: .74rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--tb-orange);
  margin: 0 0 1.15rem;
}
.eyebrow::before {
  content: ""; width: 30px; height: 2px; background: var(--tb-orange);
  flex: 0 0 auto;
}
.eyebrow--blue { color: var(--tb-blue-glow); }
.eyebrow--blue::before { background: var(--tb-blue-glow); }
.eyebrow--dark { color: #cfe8f8; }
.eyebrow--dark::before { background: #cfe8f8; }

/* Display type scale */
.h-mega  { font-size: clamp(2.6rem, 7.6vw, 6.6rem); font-stretch: 78%; letter-spacing: -.018em; }
.h-xl    { font-size: clamp(2.1rem, 4.8vw, 4rem); }
.h-lg    { font-size: clamp(1.75rem, 3.4vw, 2.85rem); }
.h-md    { font-size: clamp(1.3rem, 2.1vw, 1.7rem); font-stretch: 90%; }

.lede {
  font-size: clamp(1.05rem, .98rem + .5vw, 1.3rem);
  line-height: 1.55;
  color: var(--text-dim);
  max-width: 56ch;
}
.body-dim { color: var(--text-dim); max-width: 66ch; }

/* Technical detailing: blueprint rules, tick marks */
.rule-tech {
  height: 1px; background: var(--rule); position: relative; margin: 2.5rem 0;
}
.rule-tech::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 64px;
  background: var(--tb-orange); transform: translateY(-1px);
}

.grid-lines {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.032) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
}

/* --------------------------------------------------------------------------
   4. BUTTONS (incl. magnetic CTAs — MOTION 3)
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--tb-orange);
  --btn-fg: #0a0a0a;
  position: relative;
  display: inline-flex; align-items: center; gap: .7rem;
  padding: 1rem 1.7rem;
  background: var(--btn-bg); color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: .84rem; font-weight: 800;
  letter-spacing: .10em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
  border: 2px solid var(--btn-bg);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--dur-hover) var(--ease-pow),
              border-color var(--dur-hover) var(--ease-pow),
              color var(--dur-hover) var(--ease-pow),
              box-shadow var(--dur-hover) var(--ease-pow);
}
.btn:hover, .btn:focus-visible { background: var(--tb-orange-hot); border-color: var(--tb-orange-hot); }
/* Buttons are intentionally static: no magnetic follow, no arrow travel.
   Only the colour state changes on hover/focus. To restore the motion, set
   MAGNETIC_CTAS = true in js/tuffbreed.js and re-add a transform transition
   to .btn-arrow below. */
.btn .btn-arrow {
  display: inline-block; width: 15px; height: 10px; flex: 0 0 auto;
}

.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--tb-white);
  border-color: rgba(255,255,255,.34);
  backdrop-filter: blur(3px);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: rgba(255,255,255,.08); border-color: var(--tb-white); color: var(--tb-white);
}
/* Outline variant — black ground, orange rule, orange label.
   Used for the Application Selector button that sits beside the primary CTA. */
.btn--outline {
  --btn-bg: var(--tb-black);
  --btn-fg: var(--tb-orange);
  background: var(--tb-black);
  border-color: var(--tb-orange);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--tb-orange); border-color: var(--tb-orange); color: #0a0a0a;
}
/* On the selector page it marks the current location — tinted rather than
   filled, so it never competes with the primary CTA sitting beside it. */
.btn--outline[aria-current="page"] {
  background: rgba(245,138,35,.16);
  border-color: var(--tb-orange);
  color: var(--tb-orange);
}

.btn--blue { --btn-bg: var(--tb-blue); --btn-fg: #fff; }
.btn--blue:hover, .btn--blue:focus-visible { background: var(--tb-blue-glow); border-color: var(--tb-blue-glow); color: #06212f; }
.btn--onblue { --btn-bg: #04263a; --btn-fg: #fff; border-color:#04263a; }
.btn--onblue:hover, .btn--onblue:focus-visible { background:#031a28; border-color:#031a28; color:#fff; }
.btn--sm { padding: .72rem 1.15rem; font-size: .74rem; }
.btn--block { width: 100%; justify-content: center; }

/* text link with moving underline */
.link-u {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--tb-orange); text-decoration: none; padding-bottom: 3px;
  background-image: linear-gradient(var(--tb-orange), var(--tb-orange));
  background-size: 0% 2px; background-repeat: no-repeat; background-position: left bottom;
  transition: background-size var(--dur-hover) var(--ease-pow), color var(--dur-hover) var(--ease-pow);
}
.link-u:hover, .link-u:focus-visible { background-size: 100% 2px; }
.link-u svg { transition: transform var(--dur-hover) var(--ease-pow); }
.link-u:hover svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   5. NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .34s var(--ease-pow), border-color .34s var(--ease-pow),
              backdrop-filter .34s var(--ease-pow), height .34s var(--ease-pow);
}
.nav.is-solid {
  background: rgba(8,9,11,.86);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--rule);
  height: 64px;
}
.nav__inner {
  width: 100%; max-width: var(--maxw); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.6rem);
}
.nav__logo { flex: 0 0 auto; display: block; line-height: 0; }
.nav__logo img {
  height: 42px; width: auto;
  transition: height .34s var(--ease-pow);
  filter: drop-shadow(0 2px 10px rgba(0,0,0,.6));
}
.nav.is-solid .nav__logo img { height: 36px; }

.nav__links { display: flex; align-items: center; gap: clamp(.7rem, 1.35vw, 1.5rem); margin-left: auto; }
.nav__link {
  position: relative; white-space: nowrap;
  font-size: clamp(.68rem, .5rem + .32vw, .78rem);
  font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--tb-gray-lite); text-decoration: none; padding: .55rem 0;
  transition: color var(--dur-hover) var(--ease-pow);
}
.nav__cta { white-space: nowrap; }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--tb-orange); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-hover) var(--ease-pow);
}
.nav__link:hover, .nav__link:focus-visible, .nav__link[aria-current="true"] { color: #fff; }
.nav__link:hover::after, .nav__link:focus-visible::after, .nav__link[aria-current="true"]::after { transform: scaleX(1); }
.nav__tool { margin-left: .4rem; }
.nav__cta { margin-left: .3rem; }

.nav__toggle {
  display: none; margin-left: auto;
  width: 46px; height: 46px; padding: 0;
  background: rgba(255,255,255,.06); border: 1px solid var(--rule);
  border-radius: var(--radius); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav__toggle span {
  display: block; width: 20px; height: 2px; background: #fff; position: relative;
  transition: background-color .2s;
}
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: #fff;
  transition: transform .28s var(--ease-pow);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after  { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1240px) {
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(8,9,11,.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--rule);
    padding: .5rem var(--gutter) 1.5rem;
    transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .26s var(--ease-pow), transform .26s var(--ease-pow), visibility .26s;
    max-height: calc(100dvh - var(--nav-h)); overflow-y: auto;
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .nav__link { padding: 1rem 0; border-bottom: 1px solid var(--rule); font-size: .95rem; white-space: normal; }
  .nav__link::after { display: none; }
  .nav__tool { margin: 1.1rem 0 0; justify-content: center; }
  .nav__cta  { margin: .6rem 0 0; justify-content: center; }
}

/* --------------------------------------------------------------------------
   6. HERO — MOTION 1: multi-layer z-depth parallax
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  background: #05070a;
}

.hero__stage { position: absolute; inset: -8% -4% -4%; z-index: 0; pointer-events: none; }

.hero__plane { position: absolute; inset: 0; will-change: transform; }
.hero__plane img,
.hero__plane picture { width: 100%; height: 100%; }
.hero__plane img { object-fit: cover; object-position: 50% 55%; }

/* plane 1 — far background, depth-of-field blur */
.hero__plane--bg   { z-index: 1; transform: scale(1.08); }
/* plane 2 — midground equipment band */
.hero__plane--mid  { z-index: 2; }
.hero__plane--mid img { object-position: 50% 62%; }
/* plane 3 — foreground silhouette */
.hero__plane--fg   { z-index: 4; top: auto; bottom: -6%; height: 62%; }
.hero__plane--fg img { object-fit: cover; object-position: 50% 100%; }

/* atmospheric dust / haze between mid and fg */
.hero__haze {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background:
    radial-gradient(60% 42% at 74% 46%, rgba(245,138,35,.30), transparent 66%),
    radial-gradient(46% 34% at 22% 62%, rgba(4,119,191,.20), transparent 70%);
  mix-blend-mode: screen;
  will-change: transform, opacity;
}

.hero__scrim {
  position: absolute; inset: 0; z-index: 5; pointer-events: none;
  background:
    linear-gradient(to top, rgba(5,7,10,.97) 4%, rgba(5,7,10,.72) 30%, rgba(5,7,10,.28) 58%, rgba(5,7,10,.62) 100%),
    linear-gradient(to right, rgba(5,7,10,.80) 0%, rgba(5,7,10,.25) 52%, rgba(5,7,10,.10) 100%);
}

.hero__content {
  position: relative; z-index: 6;
  width: 100%; max-width: var(--maxw); margin-inline: auto;
  padding: calc(var(--nav-h) + 3rem) var(--gutter) clamp(4.5rem, 9vw, 7.5rem);
  will-change: transform;
}

.hero__mark { margin: 0 0 clamp(1.25rem, 2.4vw, 2rem); }
.hero__mark img {
  width: clamp(150px, 17vw, 250px); height: auto;
  filter: drop-shadow(0 10px 34px rgba(0,0,0,.75));
}

.hero__eyebrow {
  display: flex; align-items: center; gap: .8rem;
  font-size: clamp(.7rem, .66rem + .18vw, .82rem);
  font-weight: 700; letter-spacing: .28em; text-transform: uppercase;
  color: #fff; margin: 0 0 1.1rem;
}
.hero__eyebrow::before { content:""; width: 40px; height: 2px; background: var(--tb-orange); }

.hero h1 {
  max-width: 17ch;
  margin: 0 0 1.4rem;
  text-shadow: 0 6px 40px rgba(0,0,0,.6);
}
.hero h1 .accent { color: var(--tb-orange); }

.hero__sub {
  font-size: clamp(1.02rem, .96rem + .45vw, 1.28rem);
  line-height: 1.55; color: #e2e6ea; max-width: 54ch; margin: 0 0 1.35rem;
  text-shadow: 0 2px 18px rgba(0,0,0,.7);
}
.hero__legacy {
  font-size: .97rem; line-height: 1.62; color: var(--tb-gray-lite);
  max-width: 62ch; margin: 0 0 2.1rem;
  border-left: 2px solid rgba(245,138,35,.55); padding-left: 1.1rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; }

.hero__scroll {
  position: absolute; z-index: 7; left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .55rem;
  font-size: .64rem; letter-spacing: .3em; text-transform: uppercase;
  color: rgba(255,255,255,.6); text-decoration: none;
}
.hero__scroll-track {
  width: 1px; height: 46px; background: rgba(255,255,255,.22); position: relative; overflow: hidden;
}
.hero__scroll-track::after {
  content: ""; position: absolute; left: 0; top: -46px; width: 1px; height: 46px;
  background: linear-gradient(to bottom, transparent, var(--tb-orange));
  animation: scrollpulse 2.1s var(--ease-pow) infinite;
}
@keyframes scrollpulse { 0% { top: -46px; } 60%,100% { top: 46px; } }

@media (max-width: 720px) {
  .hero { min-height: 92svh; }
  .hero__legacy { display: none; }
  .hero__scroll { display: none; }
}

/* --------------------------------------------------------------------------
   7. PROMISE
   -------------------------------------------------------------------------- */
.promise { background: var(--tb-charcoal); border-top: 1px solid var(--rule); }
.promise__grid {
  display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: start;
}
@media (max-width: 900px) { .promise__grid { grid-template-columns: 1fr; } }

.promise__statements { display: flex; flex-direction: column; gap: 0; margin-top: .4rem; }
.stmt {
  display: flex; align-items: baseline; gap: 1.1rem;
  padding: clamp(1.1rem, 2.2vw, 1.7rem) 0;
  border-bottom: 1px solid var(--rule);
}
.stmt:first-child { border-top: 1px solid var(--rule); }
.stmt__idx {
  font-family: var(--font-mono); font-size: .72rem; color: var(--tb-orange);
  letter-spacing: .12em; flex: 0 0 auto; padding-top: .35rem;
}
.stmt__text {
  font-family: var(--font-display); font-weight: 800; font-stretch: 78%;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem); line-height: .96; letter-spacing: -.015em;
  text-transform: uppercase; color: #fff; margin: 0;
}
.stmt:nth-child(2) .stmt__text { color: var(--tb-orange); }
.stmt:nth-child(3) .stmt__text { color: var(--tb-blue-glow); }

/* --------------------------------------------------------------------------
   8. PRODUCTS — MOTION 2: sticky stacked scroll
   -------------------------------------------------------------------------- */
.products { background: var(--tb-black); }
.stack { position: relative; margin-top: clamp(2rem, 4vw, 3.5rem); }
.stack__item {
  position: sticky; top: calc(var(--nav-h) + 18px);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  will-change: transform;
}
.stack__item:last-child { margin-bottom: 0; }

.pcard {
  position: relative; overflow: hidden;
  background: linear-gradient(158deg, var(--tb-steel) 0%, #0d1015 62%);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.92fr);
  min-height: min(60vh, 460px);
  box-shadow: 0 26px 70px -30px rgba(0,0,0,.95);
}
.pcard::before { /* orange edge */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--tb-orange); z-index: 3;
}
.pcard--blue::before { background: var(--tb-blue); }

.pcard__body {
  padding: clamp(1.75rem, 3.4vw, 3.2rem);
  display: flex; flex-direction: column; justify-content: center; gap: .4rem;
  position: relative; z-index: 2;
}
.pcard__num {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em;
  color: var(--tb-orange); margin-bottom: .9rem;
}
.pcard--blue .pcard__num { color: var(--tb-blue-glow); }
.pcard__kicker {
  font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-mute); margin: 0 0 .75rem;
}
.pcard__title { font-size: clamp(1.85rem, 3.6vw, 3rem); margin: 0 0 .9rem; text-transform: uppercase; }
.pcard__title .reg { font-size: .42em; vertical-align: super; font-stretch: 100%; }
.pcard__copy { color: var(--text-dim); max-width: 46ch; margin: 0 0 1.7rem; }
.pcard__actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }

/* Product visual — labelled technical placeholder (no invented geometry) */
.pcard__visual picture { display: contents; }
.pcard__visual {
  position: relative; overflow: hidden; min-height: 240px;
  background:
    linear-gradient(135deg, rgba(4,119,191,.10), transparent 55%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.028) 0 2px, transparent 2px 9px),
    #0a0d12;
  border-left: 1px solid var(--rule);
  display: grid; place-items: center;
}
.pcard__visual::before { /* blueprint grid */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 34px 34px;
}
/* Product photography — supplied cut-outs, sat on the dark card over the
   blueprint grid. object-fit: contain so no ring is ever cropped. */
.pcard__photo {
  position: relative; z-index: 2;
  width: 100%; height: 100%;
  max-height: 420px;
  object-fit: contain; object-position: center;
  padding: clamp(.75rem, 2vw, 1.6rem);
  transition: transform var(--dur-hover) var(--ease-pow);
}
.pcard:hover .pcard__photo { transform: scale(1.03); }
@media (prefers-reduced-motion: reduce) { .pcard:hover .pcard__photo { transform: none; } }

.pcard__slot {
  position: relative; z-index: 2; text-align: center; padding: 2rem 1.5rem;
  display: flex; flex-direction: column; align-items: center; gap: .9rem;
}
.pcard__ring { /* generic sealing-ring section motif — schematic only */
  width: clamp(110px, 15vw, 165px); height: clamp(110px, 15vw, 165px);
  border-radius: 50%;
  border: 2px dashed rgba(245,138,35,.5);
  position: relative; display: grid; place-items: center;
  transition: transform var(--dur-hover) var(--ease-pow);
}
.pcard__ring::before {
  content: ""; position: absolute; inset: 22%;
  border-radius: 50%; border: 2px solid rgba(255,255,255,.22);
}
.pcard__ring::after {
  content: ""; position: absolute; inset: 40%;
  border-radius: 50%; border: 1px dashed rgba(74,166,232,.5);
}
.pcard:hover .pcard__ring { transform: scale(1.03); }
.pcard__slotlabel {
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mute); max-width: 34ch; line-height: 1.7;
  text-wrap: balance;
}
.pcard__slotlabel b { color: var(--tb-orange); font-weight: 700; }

/* dimension line detail */
.dimline {
  position: absolute; left: 8%; right: 8%; bottom: 26px; height: 1px;
  background: rgba(255,255,255,.2); z-index: 2;
}
.dimline::before, .dimline::after {
  content: ""; position: absolute; top: -4px; width: 1px; height: 9px; background: rgba(255,255,255,.35);
}
.dimline::before { left: 0; } .dimline::after { right: 0; }

@media (max-width: 860px) {
  .pcard { grid-template-columns: 1fr; min-height: 0; }
  .pcard__visual { min-height: 190px; border-left: 0; border-top: 1px solid var(--rule); order: -1; }
  .stack__item { position: static; }
}

/* --------------------------------------------------------------------------
   8b. SELECTOR CTA BAND (routes to application-selector.html)
   -------------------------------------------------------------------------- */
.selband {
  background: linear-gradient(120deg, #0b0e13 0%, #12171f 55%, #0d1219 100%);
  border-block: 1px solid var(--rule);
  position: relative; overflow: hidden;
  padding-block: clamp(2.75rem, 5.5vw, 4.5rem);
}
.selband::before { /* blueprint linework */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to right, #000 0%, transparent 62%);
  -webkit-mask-image: linear-gradient(to right, #000 0%, transparent 62%);
}
.selband::after { /* orange rule along the top edge */
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: clamp(90px, 16vw, 220px);
  background: var(--tb-orange);
}
.selband__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: minmax(0,1fr) auto;
  gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center;
}
@media (max-width: 860px) { .selband__grid { grid-template-columns: 1fr; } }
.selband h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); text-transform: uppercase; margin: 0 0 .8rem; }
.selband p { color: var(--text-dim); max-width: 56ch; margin: 0; }
.selband__actions { display: flex; flex-direction: column; align-items: flex-start; gap: .7rem; }
.selband__note { font-size: .74rem; color: var(--text-mute); letter-spacing: .04em; }

/* --------------------------------------------------------------------------
   9. WSP INTERACTIVE SYSTEM
   -------------------------------------------------------------------------- */
.wsp { background: var(--tb-charcoal); border-block: 1px solid var(--rule); overflow: hidden; }
.wsp__head { max-width: 60rem; margin-bottom: clamp(2rem, 4vw, 3rem); }

.wsp__layout {
  display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem); align-items: start;
}
@media (max-width: 1000px) { .wsp__layout { grid-template-columns: 1fr; } }

.wsp__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.wsp__btn {
  width: 100%; text-align: left; cursor: pointer;
  display: flex; align-items: center; gap: .8rem;
  background: transparent; border: 0; border-bottom: 1px solid var(--rule);
  padding: .95rem .3rem;
  color: var(--text-dim);
  font-family: var(--font-body); font-size: .88rem; font-weight: 600; letter-spacing: .01em;
  transition: color var(--dur-hover) var(--ease-pow), background-color var(--dur-hover) var(--ease-pow),
              padding-left var(--dur-hover) var(--ease-pow);
}
.wsp__list li:first-child .wsp__btn { border-top: 1px solid var(--rule); }
.wsp__btn .dot {
  width: 9px; height: 9px; flex: 0 0 auto; border-radius: 50%;
  border: 2px solid var(--rule); background: transparent;
  transition: all var(--dur-hover) var(--ease-pow);
}
.wsp__btn:hover, .wsp__btn:focus-visible { color: #fff; padding-left: .8rem; background: rgba(255,255,255,.03); }
.wsp__btn[aria-pressed="true"] { color: var(--tb-orange); padding-left: .8rem; }
.wsp__btn[aria-pressed="true"] .dot { border-color: var(--tb-orange); background: var(--tb-orange); box-shadow: 0 0 0 4px rgba(245,138,35,.18); }
.wsp__btn .idx { margin-left: auto; font-family: var(--font-mono); font-size: .66rem; color: var(--text-mute); }

.wsp__stage {
  position: relative;
  background:
    linear-gradient(180deg, rgba(4,119,191,.06), transparent 55%),
    #0b0e13;
  border: 1px solid var(--rule); border-radius: var(--radius-lg);
  padding: clamp(1rem, 2.2vw, 2rem);
  overflow: hidden;
}
.wsp__stage::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.038) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.038) 1px, transparent 1px);
  background-size: 40px 40px; pointer-events: none;
}
.wsp__figure { position: relative; margin: 0; }
.wsp__scroller { overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
.wsp__inner { position: relative; min-width: 620px; }

/* horizontal-scroll affordance (small screens only) */
.wsp__hint {
  display: none; align-items: center; gap: .5rem;
  margin: .6rem 0 0; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-mute);
}
.wsp__hint svg { animation: nudge 2.2s var(--ease-pow) infinite; }
@keyframes nudge { 0%,100% { transform: translateX(0); } 50% { transform: translateX(5px); } }
@media (max-width: 1000px) {
  .wsp__hint { display: flex; }
  .wsp__scroller {
    mask-image: linear-gradient(to right, transparent 0, #000 14px, #000 calc(100% - 18px), transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 14px, #000 calc(100% - 18px), transparent 100%);
  }
}
@media (prefers-reduced-motion: reduce) { .wsp__hint svg { animation: none; } }

.wsp-svg { width: 100%; height: auto; color: #fff; }
.wsp-base {
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round; stroke-miterlimit: 10;
  opacity: .58; transition: opacity .3s var(--ease-pow);
}
.wsp[data-active] .wsp-base { opacity: .2; }

.wsp-hl {
  fill: none; stroke: var(--tb-orange); stroke-width: 2.2;
  stroke-linecap: round; stroke-linejoin: round; stroke-miterlimit: 10;
  opacity: 0; transition: opacity .3s var(--ease-pow);
  filter: drop-shadow(0 0 6px rgba(245,138,35,.55));
}
.wsp-leaders path {
  fill: none; stroke: currentColor; stroke-width: 1.4;
  stroke-linecap: round; stroke-linejoin: round;
  opacity: .34; transition: opacity .3s var(--ease-pow), stroke .3s var(--ease-pow);
}
.wsp[data-active] .wsp-leader path { opacity: .12; }
.wsp-zone { fill: transparent; transition: fill .3s var(--ease-pow); }
.wsp-outline {
  fill: none; stroke: var(--tb-orange); stroke-width: 1.2; stroke-dasharray: 5 4;
  opacity: 0; transition: opacity .3s var(--ease-pow);
}
.wsp-hotspot { fill: transparent; cursor: pointer; outline: none; }
.wsp-hotspot:focus-visible { stroke: var(--tb-orange); stroke-width: 2; }

/* active state wiring */
.wsp[data-active="junk"]       .wsp-hl[data-comp="junk"],
.wsp[data-active="sanddog"]    .wsp-hl[data-comp="sanddog"],
.wsp[data-active="wsp"]        .wsp-hl[data-comp="wsp"],
.wsp[data-active="topadapter"] .wsp-hl[data-comp="topadapter"],
.wsp[data-active="lantern"]    .wsp-hl[data-comp="lantern"],
.wsp[data-active="wiper"]      .wsp-hl[data-comp="wiper"] { opacity: 1; }

.wsp[data-active="junk"]       .wsp-outline[data-comp="junk"],
.wsp[data-active="sanddog"]    .wsp-outline[data-comp="sanddog"],
.wsp[data-active="wsp"]        .wsp-outline[data-comp="wsp"],
.wsp[data-active="topadapter"] .wsp-outline[data-comp="topadapter"],
.wsp[data-active="lantern"]    .wsp-outline[data-comp="lantern"],
.wsp[data-active="wiper"]      .wsp-outline[data-comp="wiper"] { opacity: .85; }

.wsp[data-active="junk"]       .wsp-zone[data-comp="junk"],
.wsp[data-active="sanddog"]    .wsp-zone[data-comp="sanddog"],
.wsp[data-active="wsp"]        .wsp-zone[data-comp="wsp"],
.wsp[data-active="topadapter"] .wsp-zone[data-comp="topadapter"],
.wsp[data-active="lantern"]    .wsp-zone[data-comp="lantern"],
.wsp[data-active="wiper"]      .wsp-zone[data-comp="wiper"] { fill: rgba(245,138,35,.10); }

.wsp[data-active="junk"]       .wsp-leader[data-comp="junk"] path,
.wsp[data-active="sanddog"]    .wsp-leader[data-comp="sanddog"] path,
.wsp[data-active="wsp"]        .wsp-leader[data-comp="wsp"] path,
.wsp[data-active="lantern"]    .wsp-leader[data-comp="lantern"] path,
.wsp[data-active="wiper"]      .wsp-leader[data-comp="wiper"] path { opacity: 1; stroke: var(--tb-orange); }

/* On-drawing label chips (desktop) */
.wsp__chips { position: absolute; inset: 0; pointer-events: none; }
.wsp__chip {
  position: absolute; pointer-events: auto; cursor: pointer;
  background: rgba(12,15,20,.9); border: 1px solid var(--rule);
  color: var(--text-dim);
  font-family: var(--font-body); font-size: .74rem; font-weight: 700;
  letter-spacing: .04em; white-space: nowrap;
  padding: .4rem .7rem; border-radius: var(--radius);
  transition: color var(--dur-hover) var(--ease-pow), border-color var(--dur-hover) var(--ease-pow),
              background-color var(--dur-hover) var(--ease-pow), transform var(--dur-hover) var(--ease-pow);
}
.wsp__chip:hover, .wsp__chip:focus-visible { color: #fff; border-color: rgba(255,255,255,.4); }
.wsp__chip[aria-pressed="true"] {
  color: #0a0a0a; background: var(--tb-orange); border-color: var(--tb-orange);
}
.wsp__chip .sup { font-size: .7em; vertical-align: super; }
.wsp__chip--r { transform: translate(-100%, -50%); }
.wsp__chip--l { transform: translate(0, -50%); }
.wsp__chip--r:hover, .wsp__chip--r:focus-visible { transform: translate(-100%, -50%) translateX(-3px); }
.wsp__chip--l:hover, .wsp__chip--l:focus-visible { transform: translate(0, -50%) translateX(3px); }
@media (max-width: 1000px) { .wsp__chips { display: none; } }

.wsp__readout {
  margin-top: 1.1rem; padding: 1.1rem 1.25rem;
  background: rgba(255,255,255,.03); border: 1px solid var(--rule); border-left: 3px solid var(--tb-orange);
  border-radius: var(--radius); min-height: 84px;
}
.wsp__readout h3 { font-size: 1.05rem; font-stretch: 92%; text-transform: uppercase; margin: 0 0 .35rem; }
.wsp__readout p { font-size: .9rem; color: var(--text-dim); margin: 0; }
/* Configuration note — the supplied drawing depicts SandDog® only */
.wsp__config {
  margin: 1rem 0 0; padding: .8rem 1rem;
  background: rgba(4,119,191,.09);
  border: 1px solid var(--rule); border-left: 3px solid var(--tb-blue);
  border-radius: var(--radius);
  font-size: .85rem; line-height: 1.6; color: var(--text-dim);
}
.wsp__config a { color: var(--tb-orange); text-decoration: underline; text-underline-offset: 3px; }
.wsp__config a:hover { color: var(--tb-orange-hot); }

.wsp__note {
  margin-top: .9rem; font-size: .74rem; color: var(--text-mute); line-height: 1.6;
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   10. APPLICATIONS — pinned visual explorer
   -------------------------------------------------------------------------- */
.apps { background: var(--tb-black); position: relative; }
.apps__intro { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.85fr); gap: clamp(1.5rem,4vw,3.5rem); align-items: end; margin-bottom: clamp(2.5rem,5vw,4rem); }
@media (max-width: 900px) { .apps__intro { grid-template-columns: 1fr; } }
.apps__tagline {
  font-family: var(--font-display); font-weight: 800; font-stretch: 84%;
  font-size: clamp(1.35rem, 2.4vw, 2rem); line-height: 1.1; text-transform: uppercase;
  color: #fff; margin: 0; border-left: 3px solid var(--tb-blue); padding-left: 1.1rem;
}
.apps__tagline span { color: var(--tb-orange); }

.apps__layout { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(1.5rem,4vw,3.5rem); align-items: start; }
@media (max-width: 940px) { .apps__layout { grid-template-columns: 1fr; } }

.apps__visual {
  position: sticky; top: calc(var(--nav-h) + 30px);
  border: 1px solid var(--rule); border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; background: #0a0d12;
}
@media (max-width: 940px) { .apps__visual { display: none; } }
.apps__visual img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity .55s var(--ease-pow), transform 1.2s var(--ease-pow);
  transform: scale(1.06);
}
.apps__visual img.is-on { opacity: 1; transform: scale(1); }
.apps__visual::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(8,9,11,.9), rgba(8,9,11,.05) 55%);
}
.apps__meta {
  position: absolute; z-index: 2; left: 1.25rem; right: 1.25rem; bottom: 1.15rem;
  display: flex; align-items: baseline; gap: .8rem;
}
.apps__meta .n { font-family: var(--font-mono); font-size: .72rem; color: var(--tb-orange); letter-spacing: .16em; }
.apps__meta .t {
  font-family: var(--font-display); font-weight: 800; font-stretch: 82%; text-transform: uppercase;
  font-size: clamp(1.1rem, 1.8vw, 1.6rem); line-height: 1;
}

.apps__list { list-style: none; margin: 0; padding: 0; }
.app-item { border-bottom: 1px solid var(--rule); }
.app-item:first-child { border-top: 1px solid var(--rule); }
.app-item__head {
  width: 100%; display: flex; align-items: center; gap: 1rem;
  padding: 1.15rem .3rem; background: transparent; border: 0; cursor: pointer;
  color: var(--text); text-align: left;
  font-family: var(--font-display); font-weight: 800; font-stretch: 86%;
  font-size: clamp(1.05rem, 1.8vw, 1.4rem); text-transform: uppercase; line-height: 1.05;
  transition: color var(--dur-hover) var(--ease-pow), padding-left var(--dur-hover) var(--ease-pow);
}
.app-item__head:hover, .app-item__head:focus-visible { color: var(--tb-orange); padding-left: .7rem; }
.app-item__n { font-family: var(--font-mono); font-size: .68rem; font-weight: 500; color: var(--text-mute); flex: 0 0 auto; letter-spacing: .1em; }
.app-item__plus { margin-left: auto; flex: 0 0 auto; width: 16px; height: 16px; position: relative; }
.app-item__plus::before, .app-item__plus::after {
  content: ""; position: absolute; background: currentColor; transition: transform .28s var(--ease-pow), opacity .28s;
}
.app-item__plus::before { left: 0; top: 7px; width: 16px; height: 2px; }
.app-item__plus::after  { left: 7px; top: 0; width: 2px; height: 16px; }
.app-item.is-open .app-item__plus::after { transform: scaleY(0); opacity: 0; }
.app-item.is-open .app-item__head { color: var(--tb-orange); padding-left: .7rem; }
.app-item__panel { overflow: hidden; height: 0; }
.app-item__panel-inner { padding: 0 .3rem 1.4rem 2.9rem; color: var(--text-dim); font-size: .95rem; max-width: 62ch; }
@media (max-width: 560px) { .app-item__panel-inner { padding-left: .3rem; } }

/* --------------------------------------------------------------------------
   11. 48-HOUR TURNAROUND
   -------------------------------------------------------------------------- */
.turn {
  background: linear-gradient(100deg, var(--tb-blue) 0%, #0a5f96 58%, #064b78 100%);
  color: #fff; position: relative; overflow: hidden;
}
.turn::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 2px, transparent 2px 16px);
  pointer-events: none;
}
.turn__grid { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr); gap: clamp(1.75rem,4vw,4rem); align-items: center; position: relative; }
@media (max-width: 900px) { .turn__grid { grid-template-columns: 1fr; } }

.turn__big {
  font-family: var(--font-display); font-weight: 900; font-stretch: 76%;
  font-size: clamp(2.9rem, 7.4vw, 6.4rem); font-stretch: 70%;
  line-height: .86; letter-spacing: -.025em;
  text-transform: uppercase; margin: 0; color: #fff;
}
.turn__big span { display: block; color: rgba(255,255,255,.42); }
.turn__qual {
  font-family: var(--font-display); font-weight: 800; font-stretch: 84%;
  font-size: clamp(1rem, 1.9vw, 1.6rem); line-height: 1;
  letter-spacing: .06em; text-transform: uppercase;
  color: #cfe8f8; margin: .9rem 0 0; padding-left: .12em;
}
.turn h3 { font-size: clamp(1.4rem,2.6vw,2.1rem); text-transform: uppercase; margin: 0 0 1rem; }
.turn p { color: rgba(255,255,255,.9); max-width: 52ch; }

.sizes { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.6rem 0 1rem; padding: 0; list-style: none; }
.sizes li {
  font-family: var(--font-display); font-weight: 800; font-stretch: 88%;
  font-size: 1.15rem;
  padding: .55rem 1rem; border: 1.5px solid rgba(255,255,255,.42); border-radius: var(--radius);
  transition: background-color var(--dur-hover) var(--ease-pow), border-color var(--dur-hover) var(--ease-pow);
}
.sizes li:hover { background: rgba(255,255,255,.14); border-color: #fff; }
.turn__fine { font-size: .84rem; color: rgba(255,255,255,.78); }

/* --------------------------------------------------------------------------
   12. DEVELOPMENT PARTNER
   -------------------------------------------------------------------------- */
.devp { background: var(--tb-charcoal); position: relative; overflow: hidden; }
.devp__head { max-width: 62rem; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: clamp(1rem,2.2vw,1.75rem); margin-top: clamp(2.2rem,4vw,3.2rem); counter-reset: step; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step {
  position: relative; padding: clamp(1.4rem,2.4vw,2rem);
  background: linear-gradient(160deg, var(--tb-steel), #0c0f14);
  border: 1px solid var(--rule); border-radius: var(--radius-lg);
  transition: border-color var(--dur-hover) var(--ease-pow), transform var(--dur-hover) var(--ease-pow);
}
.step:hover { border-color: rgba(245,138,35,.45); transform: translateY(-3px); }
.step__n {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .18em;
  color: var(--tb-orange); margin-bottom: 1.4rem; display: block;
}
.step h3 { font-size: 1.2rem; font-stretch: 92%; text-transform: uppercase; margin: 0 0 .6rem; }
.step p { color: var(--text-dim); font-size: .93rem; margin: 0; }
.step::after {
  content: ""; position: absolute; right: 0; top: 0; width: 44px; height: 44px;
  background: linear-gradient(225deg, rgba(245,138,35,.28) 0 50%, transparent 50%);
  border-top-right-radius: var(--radius-lg);
}
.devp__cta { margin-top: clamp(2rem,3.5vw,2.8rem); display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.devp__note { font-size: .8rem; color: var(--text-mute); max-width: 56ch; }

/* --------------------------------------------------------------------------
   13. ABOUT / CDI
   -------------------------------------------------------------------------- */
.about { background: var(--tb-black); }
.about__grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap: clamp(2rem,5vw,4.5rem); align-items: center; }
@media (max-width: 900px) { .about__grid { grid-template-columns: 1fr; } }
.about__media { position: relative; border: 1px solid var(--rule); border-radius: var(--radius-lg); overflow: hidden; }
.about__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,9,11,.86), transparent 62%);
}
.about__badge {
  position: absolute; z-index: 2; left: 1.25rem; bottom: 1.25rem; right: 1.25rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.about__badge img { width: 168px; height: auto; aspect-ratio: auto; }
.about__badge span { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--tb-gray-lite); }

/* CDI capability cards */
.caps { background: var(--tb-charcoal); border-top: 1px solid var(--rule); }
.caps__grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: clamp(.9rem,1.8vw,1.4rem); margin-top: clamp(1.8rem,3.5vw,2.6rem); }
@media (max-width: 960px) { .caps__grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 520px) { .caps__grid { grid-template-columns: 1fr; } }
.cap {
  padding: clamp(1.2rem,2.2vw,1.7rem);
  background: rgba(255,255,255,.022); border: 1px solid var(--rule); border-radius: var(--radius-lg);
  border-top: 2px solid var(--tb-blue);
  transition: background-color var(--dur-hover) var(--ease-pow), border-top-color var(--dur-hover) var(--ease-pow);
}
.cap:hover { background: rgba(255,255,255,.05); border-top-color: var(--tb-orange); }
.cap h3 { font-size: 1.05rem; font-stretch: 92%; text-transform: uppercase; margin: 0 0 .5rem; }
.cap p { font-size: .9rem; color: var(--text-dim); margin: 0; }

/* --------------------------------------------------------------------------
   14. FINAL CTA
   -------------------------------------------------------------------------- */
.finale { position: relative; overflow: hidden; background: #06080b; }
.finale__bg { position: absolute; inset: 0; z-index: 0; }
.finale__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; }
.finale__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(6,8,11,.96) 8%, rgba(6,8,11,.78) 48%, rgba(6,8,11,.5) 100%);
}
.finale .wrap { position: relative; z-index: 2; }
.finale__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }

/* --------------------------------------------------------------------------
   15. CONTACT FORM
   -------------------------------------------------------------------------- */
.contact { background: var(--tb-charcoal); border-top: 1px solid var(--rule); }
.contact__grid { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: clamp(2rem,4.5vw,4rem); align-items: start; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } }

.form { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem 1.1rem; }
@media (max-width: 620px) { .form { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--text-mute);
}
.field label .req { color: var(--tb-orange); }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: .95rem;
  color: var(--text); background: rgba(255,255,255,.035);
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: .78rem .9rem;
  transition: border-color var(--dur-hover) var(--ease-pow), background-color var(--dur-hover) var(--ease-pow);
}
.field textarea { resize: vertical; min-height: 118px; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b939f' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .9rem center; padding-right: 2.4rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--tb-orange); background: rgba(255,255,255,.06);
}
.field .err { font-size: .74rem; color: #ff9a7a; min-height: 1em; }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: #ff7a52; }
.form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; }
.privacy { font-size: .76rem; color: var(--text-mute); max-width: 46ch; line-height: 1.6; }
/* Shown when the visitor arrives from Fit Finder with a profile attached */
.form__prefill {
  grid-column: 1 / -1; margin: 0; padding: .8rem 1rem; border-radius: var(--radius);
  border: 1px solid var(--rule); border-left: 3px solid var(--tb-orange);
  background: rgba(245,138,35,.08); font-size: .86rem; color: var(--text-dim);
}
.form__prefill[hidden] { display: none; }

.form__status {
  grid-column: 1 / -1; padding: .9rem 1.1rem; border-radius: var(--radius);
  border: 1px solid var(--tb-blue); background: rgba(4,119,191,.12); font-size: .9rem;
}
.form__status:empty { display: none; }

.contact__side dl { margin: 0; }
.contact__side dt { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--tb-orange); margin-top: 1.5rem; }
.contact__side dd { margin: .35rem 0 0; color: var(--text-dim); font-size: .95rem; }

/* --------------------------------------------------------------------------
   16. FOOTER
   -------------------------------------------------------------------------- */
.footer { background: #05070a; border-top: 1px solid var(--rule); padding-block: clamp(3rem,5vw,4.5rem) 2rem; }
.footer__grid { display: grid; grid-template-columns: minmax(0,1.2fr) repeat(3, minmax(0,.6fr)); gap: clamp(1.5rem,3vw,2.5rem); }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__brand img { width: 168px; margin-bottom: 1rem; }
.footer__brand p { font-size: .88rem; color: var(--text-mute); max-width: 40ch; }
.footer h4 { font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--tb-orange); font-stretch: 100%; margin: 0 0 .9rem; font-weight: 700; font-family: var(--font-body); }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .55rem; }
.footer a { color: var(--text-dim); text-decoration: none; font-size: .9rem; transition: color var(--dur-hover) var(--ease-pow); }
.footer a:hover, .footer a:focus-visible { color: var(--tb-orange); }
.footer__cdi { display: flex; align-items: center; gap: 1rem; margin-top: 1.2rem; }
.footer__cdi img { width: 132px; opacity: .85; }
.footer__bottom {
  margin-top: clamp(2.5rem,4vw,3.5rem); padding-top: 1.5rem; border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; gap: .8rem 1.8rem; align-items: center; justify-content: space-between;
  font-size: .78rem; color: var(--text-mute);
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 1.2rem; }

/* --------------------------------------------------------------------------
   17. FAQ
   -------------------------------------------------------------------------- */
.faq { background: var(--tb-black); }
.faq__list { max-width: 62rem; margin-top: clamp(1.6rem,3vw,2.4rem); }
.faq details {
  border-bottom: 1px solid var(--rule); padding: 1.1rem 0;
}
.faq details:first-of-type { border-top: 1px solid var(--rule); }
.faq summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-display); font-weight: 800; font-stretch: 88%;
  font-size: clamp(1rem,1.6vw,1.2rem); text-transform: uppercase;
  transition: color var(--dur-hover) var(--ease-pow);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; margin-left: auto; font-family: var(--font-mono); color: var(--tb-orange); font-size: 1.3rem; line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq summary:hover { color: var(--tb-orange); }
.faq details p { margin: .9rem 0 0; color: var(--text-dim); font-size: .95rem; max-width: 64ch; }

/* --------------------------------------------------------------------------
   18. ENTRANCE ANIMATION BASE STATES (JS adds .is-in)
   -------------------------------------------------------------------------- */
[data-anim] { opacity: 0; }
.no-js [data-anim], .reduced [data-anim] { opacity: 1 !important; transform: none !important; }

/* --------------------------------------------------------------------------
   19. REDUCED MOTION / NO-ANIMATION FALLBACK
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero__scroll-track::after { display: none; }
  [data-anim] { opacity: 1 !important; transform: none !important; }
  .stack__item { position: static; }
  .apps__visual { position: static; }
}

/* Print-friendly */
@media print {
  .nav, .hero__stage, .hero__scroll, .wsp__chips, .apps__visual, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.2rem; }
  * { color: #000 !important; }
  .app-item__panel { height: auto !important; }
}