/* =========================================================================
   the safe place — deck
   Brand tokens, day/night shells, reusable motifs, motion system.
   ========================================================================= */

/* ---- Fonts (vendored, offline) ---------------------------------------- */
@font-face {
  font-family: "Anonymous Pro";
  src: url("../assets/fonts/AnonymousPro-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Anonymous Pro";
  src: url("../assets/fonts/AnonymousPro-Bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Anonymous Pro";
  src: url("../assets/fonts/AnonymousPro-Italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "Anonymous Pro";
  src: url("../assets/fonts/AnonymousPro-BoldItalic.woff2") format("woff2");
  font-weight: 700; font-style: italic; font-display: swap;
}
/* Rounded display fallback for Mila (licensed; drop real files in assets/fonts).
   Quicksand is vendored as a friendly, very-rounded stand-in. */
@font-face {
  font-family: "Quicksand";
  src: url("../assets/fonts/Quicksand-Variable.woff2") format("woff2");
  font-weight: 400 700; font-style: normal; font-display: swap;
}
/* If licensed Mila files are added, this picks them up automatically. */
@font-face {
  font-family: "Mila";
  src: url("../assets/fonts/Mila-Regular.woff2") format("woff2"),
       url("../assets/fonts/Mila-Regular.woff") format("woff"),
       url("../assets/fonts/Mila-Regular.otf") format("opentype");
  font-weight: 400 800; font-style: normal; font-display: swap;
}

:root {
  /* Colour — from the brand guidelines */
  --tsp-red:        #F15623;
  --tsp-cream:      #FFE3AF;
  --tsp-mid-brown:  #813D07;
  --tsp-dark-brown: #392209;

  --font-display: "Mila", "Quicksand", "Hanken Grotesk", "Varela Round", system-ui, sans-serif;
  --font-mono:    "Anonymous Pro", "JetBrains Mono", ui-monospace, monospace;

  /* Fixed 16:9 stage. All slide sizing is in px against this. */
  --stage-w: 1280px;
  --stage-h: 720px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; min-height: 100%;
  background: var(--tsp-dark-brown);
  font-family: var(--font-mono);
  overflow-x: hidden;
}

/* ---- Stage: scrollable long-form page -------------------------------- */
.stage-wrap {
  min-height: 100vh;
  padding: 0;
}
.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  width: var(--page-w, var(--stage-w));
  margin: 0 auto;
}

/* ---- Slide shells ----------------------------------------------------- */
.slide {
  position: relative;
  padding: 64px 72px;
  width: var(--stage-w);
  height: var(--stage-h);
  flex: 0 0 auto;
  transform: scale(var(--page-scale, 1));
  transform-origin: top left;
  margin-bottom: var(--page-slide-trim, 0px);
  overflow: hidden;
  box-shadow: none;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  display: grid;
}
.slide.is-active,
.slide.is-leaving { opacity: 1; visibility: visible; pointer-events: auto; }

.slide[data-mode="day"]   { background: var(--tsp-cream);      color: var(--tsp-mid-brown); }
.slide[data-mode="night"] { background: var(--tsp-dark-brown); color: var(--tsp-cream); }

/* ---- Texture overlays ------------------------------------------------- */
/* paper grain on day; film noise + vignette on night. Subtle. */
.slide::before {   /* grain / noise */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
  mix-blend-mode: overlay;
  z-index: 5;
}
.slide[data-mode="day"]::before   { opacity: .05; }
.slide[data-mode="night"]::before { opacity: .07; mix-blend-mode: soft-light; }

.slide::after {    /* vignette (night) */
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 4;
}
.slide[data-mode="night"]::after {
  background: radial-gradient(120% 100% at 50% 42%, transparent 55%, rgba(0,0,0,.34) 100%);
}
.slide[data-mode="day"]::after {
  background: radial-gradient(130% 120% at 60% 30%, rgba(255,255,255,.10) 0%, transparent 45%);
}

/* keep real content above texture */
.slide > * { position: relative; z-index: 6; }

/* ===========================================================
   Typography
   =========================================================== */
.headline {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: -.02em;
  line-height: .92;
  margin: 0;
}
.slide[data-mode="day"]   .headline { color: var(--tsp-red); }
.slide[data-mode="night"] .headline { color: var(--tsp-cream); }

.body-copy {
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: lowercase;
  line-height: 1.32;
  letter-spacing: -.005em;
}
.accent-red { color: var(--tsp-red); }
.italic-def { font-style: italic; }

/* technical chrome */
.mono { font-family: var(--font-mono); }
.chrome {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.5;
}
.chrome-upper { text-transform: uppercase; }
.slide[data-mode="day"]   .chrome { color: var(--tsp-mid-brown); }
.slide[data-mode="night"] .chrome { color: var(--tsp-cream); }
.chrome.dim { opacity: .6; }

/* ===========================================================
   MOTIF 1 — wordmark
   =========================================================== */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: lowercase;
  color: var(--tsp-red);
  line-height: .82;
  letter-spacing: -.03em;
  user-select: none;
}
.wordmark span { display: block; }

/* Cover hero: oversized, centred, right-way-up stacked lockup */
.wordmark--hero {
  position: absolute;
  left: 50%; top: 60%;
  transform: translate(-50%, -50%);
  transform-origin: center center;
  font-size: 122px;
  line-height: .82;
  text-align: center;
  white-space: nowrap;
}

/* ===========================================================
   MOTIF 2 — file metadata card (mono HUD)
   =========================================================== */
.file-card {
  width: 360px;
  border: 1.5px solid var(--tsp-red);
  background: color-mix(in srgb, var(--tsp-cream) 6%, transparent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .02em;
}
.slide[data-mode="day"] .file-card { background: color-mix(in srgb, var(--tsp-red) 4%, transparent); }
.file-card__title {
  display: block;
  padding: 7px 10px;
  border-bottom: 1.5px solid var(--tsp-red);
  color: var(--tsp-red);
  font-weight: 700;
  text-transform: none;
  word-break: break-all;
}
.file-card__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  border-bottom: 1px solid color-mix(in srgb, var(--tsp-red) 45%, transparent);
}
.file-card__row:last-child { border-bottom: 0; }
.file-card__row dt {
  padding: 5px 10px;
  border-right: 1px solid color-mix(in srgb, var(--tsp-red) 45%, transparent);
  color: var(--tsp-red);
  text-transform: uppercase;
  font-size: 10px;
}
.file-card__row dd {
  margin: 0; padding: 5px 10px;
}
.slide[data-mode="day"]   .file-card__row dd { color: var(--tsp-mid-brown); }
.slide[data-mode="night"] .file-card__row dd { color: var(--tsp-cream); }

/* ===========================================================
   MOTIF 3 — percentage HUD (deck progress, right edge)
   =========================================================== */
.pct-hud {
  position: fixed;
  right: 26px; top: 50%;
  transform: translateY(-50%);
  display: none; flex-direction: column; gap: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  z-index: 30;
  text-align: right;
}
.pct-hud__tick { color: var(--tsp-red); opacity: .32; transition: opacity .4s var(--ease); }
.pct-hud__tick.is-on  { opacity: 1; }
.pct-hud__now {
  color: var(--tsp-red);
  font-weight: 700;
  font-size: 15px;
}

/* ===========================================================
   MOTIF 4 — vertical copyright strip
   =========================================================== */
.copyright {
  position: absolute;
  left: 30px; bottom: 64px;
  transform: rotate(180deg);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase;
  opacity: .55;
  z-index: 20;
}
.slide[data-mode="day"]   .copyright { color: var(--tsp-mid-brown); }
.slide[data-mode="night"] .copyright { color: var(--tsp-cream); }

/* slide section label (top-left chrome) */
.slide-tag {
  position: absolute; left: 72px; top: 40px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--tsp-red);
  z-index: 20;
}

/* ===========================================================
   MOTIF 5 — hairline list (problem / fun bits / setup / savings)
   =========================================================== */
.hairline-list { list-style: none; margin: 0; padding: 0; }
.hairline-list li {
  position: relative;
  padding: 18px 8px 18px 34px;
  border-top: 1.5px solid var(--tsp-red);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.15;
}
.hairline-list li:first-child { border-top: none; }
.hairline-list li:last-child { border-bottom: none; }
.hairline-list li::before {
  content: counter(idx, decimal-leading-zero);
  counter-increment: idx;
  position: absolute; left: 0; top: 22px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--tsp-red); opacity: .7;
}
.hairline-list { counter-reset: idx; }
/* compact variant — used where the list shares a slide with a screenshot */
.hairline-list--compact li { font-size: 16px; padding: 11px 6px 11px 30px; line-height: 1.18; }
.hairline-list--compact li::before { top: 14px; font-size: 10px; }

/* a left vertical rule used beside lists */
.vrule {
  width: 1.5px; align-self: stretch; background: var(--tsp-red); opacity: .8;
}

/* ===========================================================
   Layout helper: two-column "headline left / content right"
   =========================================================== */
.split {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 56px;
  align-items: center;
  height: 100%;
}
.split__head { align-self: center; }
.subhead {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: lowercase;
  font-size: 22px;
  line-height: 1.25;
  margin-top: 26px;
}
.slide[data-mode="night"] .subhead { color: var(--tsp-cream); }
.slide[data-mode="day"]   .subhead { color: var(--tsp-mid-brown); }

/* ===========================================================
   MOTION — reveal system
   Elements with [data-reveal] start hidden; active slide reveals
   them with a staggered rise. --i sets the order.
   =========================================================== */
[data-reveal]:not([data-reveal="fade"]) {
  opacity: 0;
  transform: translateY(12px);
}
.slide.is-active [data-reveal]:not([data-reveal="fade"]) {
  animation: rise .62s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 80ms + var(--delay, 0ms));
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* fade-only reveal — for elements that own a static transform (e.g. the
   rotated hero wordmark) so the reveal doesn't clobber their positioning */
[data-reveal="fade"] { opacity: 0; }
.slide.is-active [data-reveal="fade"] {
  animation: fadein .8s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 80ms + var(--delay, 0ms));
}
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

/* flame flicker (used by icons that contain .flames) */
.flames { transform-origin: 50% 90%; }
.slide.is-active .flames {
  animation: flicker 2.4s ease-in-out infinite;
}
@keyframes flicker {
  0%,100% { transform: scaleY(1)    scaleX(1)    translateY(0);   opacity: 1; }
  25%     { transform: scaleY(1.06) scaleX(.97)  translateY(-1px);opacity: .92; }
  50%     { transform: scaleY(.97)  scaleX(1.03) translateY(.5px);opacity: 1; }
  75%     { transform: scaleY(1.04) scaleX(.99)  translateY(-.5px);opacity: .95; }
}

/* the spark-lock breathes once on entrance */
.icon { color: var(--tsp-red); display: inline-block; }
.icon img { display: block; }

/* subtle ember breathing for the real burning-house bookend (not cheesy).
   Runs the entrance fade first, then breathes — declared together so this
   rule doesn't clobber the [data-reveal="fade"] animation. */
.slide.is-active .ember {
  transform-origin: 50% 100%;
  animation: fadein .8s var(--ease) forwards, ember 3.4s ease-in-out .8s infinite;
}
@keyframes ember {
  0%,100% { transform: scale(1);     filter: brightness(1); }
  50%     { transform: scale(1.018); filter: brightness(1.08); }
}

/* ===========================================================
   SHOWCASE — browser/app chrome framing a real screenshot
   =========================================================== */
.showcase {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  height: 100%;
  align-items: center;
}
.showcase__intro { align-self: center; }
.showcase__kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--tsp-red); margin-bottom: 18px;
}
.showcase__title {
  font-family: var(--font-display); font-weight: 700; text-transform: lowercase;
  font-size: 56px; line-height: .95; color: var(--tsp-cream); margin: 0 0 20px;
}
.showcase__caption {
  font-family: var(--font-display); text-transform: lowercase; font-weight: 500;
  font-size: 19px; line-height: 1.35; color: var(--tsp-cream); opacity: .85;
}
.showcase__caption .accent-red { opacity: 1; }

.browser {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--tsp-red) 35%, transparent);
  background: #1c1003;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  width: 100%;
}
.browser__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  background: color-mix(in srgb, var(--tsp-dark-brown) 80%, #000);
  border-bottom: 1px solid color-mix(in srgb, var(--tsp-red) 25%, transparent);
}
.browser__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--tsp-red); opacity: .85; }
.browser__dot:nth-child(2) { opacity: .55; }
.browser__dot:nth-child(3) { opacity: .35; }
.browser__url {
  margin-left: 14px; flex: 1;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .03em;
  color: var(--tsp-cream); opacity: .55;
  background: rgba(0,0,0,.25); padding: 4px 12px; border-radius: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.browser__body { display: block; background: var(--tsp-dark-brown); }
.browser__body img { display: block; width: 100%; height: auto; }

/* a row of narrow app-drawer screenshots (asset-details killer slide) */
.drawer-row { display: flex; gap: 18px; align-items: flex-start; }
.drawer {
  border-radius: 12px; overflow: hidden; flex: 1;
  border: 1px solid color-mix(in srgb, var(--tsp-red) 30%, transparent);
  background: var(--tsp-dark-brown);
  box-shadow: 0 18px 44px rgba(0,0,0,.45);
}
.drawer img { display: block; width: 100%; height: auto; }
.drawer__cap {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--tsp-red);
  padding: 8px 10px; border-top: 1px solid color-mix(in srgb, var(--tsp-red) 25%, transparent);
}

/* missing-screenshot placeholder */
.shot-missing {
  display: grid; place-items: center; min-height: 280px; padding: 40px;
  font-family: var(--font-mono); font-size: 12px; color: var(--tsp-red);
  text-align: center; opacity: .8;
  background: repeating-linear-gradient(45deg, transparent 0 12px, color-mix(in srgb, var(--tsp-red) 8%, transparent) 12px 13px);
}

/* ===========================================================
   WORKFLOW — 5-node signal timeline
   =========================================================== */
.workflow {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; align-items: start;
  margin-top: 80px; padding: 0 20px;
}
.workflow__line {
  position: absolute; left: 12.5%; right: 12.5%; top: 44px; height: 2px;
  background: color-mix(in srgb, var(--tsp-red) 30%, transparent);
}
.workflow__line::after {        /* the travelling signal fill */
  content: ""; position: absolute; inset: 0; width: 0;
  background: var(--tsp-red);
}
.slide.is-active .workflow__line::after {
  animation: signal 2.4s var(--ease) .3s forwards;
}
@keyframes signal { to { width: 100%; } }

.node { text-align: center; padding: 0 14px; position: relative; }
.node__icon {
  width: 88px; height: 88px; margin: 0 auto 22px;
  display: grid; place-items: center;
  border: 2px solid color-mix(in srgb, var(--tsp-red) 40%, transparent);
  border-radius: 16px;
  background: var(--tsp-dark-brown);
  color: color-mix(in srgb, var(--tsp-red) 45%, var(--tsp-cream));
  transition: color .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
}
.node__icon svg { width: 46px; height: 46px; }
.node.lit .node__icon {
  color: var(--tsp-red);
  border-color: var(--tsp-red);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--tsp-red) 18%, transparent);
  transform: translateY(-3px);
}
.node__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 21px; color: var(--tsp-cream); line-height: 1.05;
}
.node__sub {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em;
  color: var(--tsp-cream); opacity: .6; margin-top: 8px;
}

/* ===========================================================
   FEATURE GRID — the fun bits
   =========================================================== */
.feature-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px;
}
.feature-grid .hairline-list li { font-size: 23px; padding: 15px 8px 15px 34px; }

/* ===========================================================
   THE SERVICE — 4 numbered step-cards (done-for-you onboarding)
   =========================================================== */
.service { height: 100%; display: flex; flex-direction: column; justify-content: center; }
.service__kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--tsp-red); margin-bottom: 14px;
}
.service__sub {
  font-family: var(--font-display); font-weight: 500; text-transform: lowercase;
  font-size: 21px; line-height: 1.3; margin-top: 18px; max-width: 760px;
}
.slide[data-mode="day"]   .service__sub { color: var(--tsp-mid-brown); }
.slide[data-mode="night"] .service__sub { color: var(--tsp-cream); }
.service__sub .accent-red { color: var(--tsp-red); }

.service__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 44px;
}
.service-card {
  border: 1.5px solid color-mix(in srgb, var(--tsp-red) 55%, transparent);
  border-top: 3px solid var(--tsp-red);
  padding: 22px 20px 24px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 230px;
}
.service-card__num {
  font-family: var(--font-display); font-weight: 700; font-size: 58px; line-height: .85;
  color: transparent; -webkit-text-stroke: 1.6px var(--tsp-red);
}
.service-card__title {
  font-family: var(--font-display); font-weight: 700; text-transform: lowercase;
  font-size: 22px; line-height: 1.05;
}
.slide[data-mode="day"]   .service-card__title { color: var(--tsp-mid-brown); }
.slide[data-mode="night"] .service-card__title { color: var(--tsp-cream); }
.service-card__desc {
  font-family: var(--font-display); font-weight: 500; text-transform: lowercase;
  font-size: 14.5px; line-height: 1.4; margin-top: auto;
}
.slide[data-mode="day"]   .service-card__desc { color: var(--tsp-mid-brown); opacity: .85; }
.slide[data-mode="night"] .service-card__desc { color: var(--tsp-cream); opacity: .8; }

/* ===========================================================
   CLOSE slide
   =========================================================== */
.close-wrap {
  display: flex; align-items: center; justify-content: flex-start;
  height: 100%; padding-left: 8%;
  position: relative;
}
.close-group { display: flex; align-items: flex-end; gap: 30px; }
.close-wrap .icon { color: var(--tsp-red); margin: 0 0 16px; flex: none; }
.close-text { text-align: left; }
.close-line {
  font-family: var(--font-display); font-weight: 700; text-transform: lowercase;
  font-size: 30px; line-height: 1.1; color: var(--tsp-red); margin: 0;
}
.close-sub {
  font-family: var(--font-display); text-transform: lowercase; font-weight: 500;
  font-size: 22px; color: var(--tsp-mid-brown); margin-top: 6px;
}

/* ===========================================================
   SSD CALCULATOR — interactive instrument panel (night)
   =========================================================== */
.calc {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 56px;
  height: 100%;
  align-items: center;
}
.calc__label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--tsp-red); margin-bottom: 16px;
}
.calc__title {
  font-family: var(--font-display); font-weight: 700; text-transform: lowercase;
  font-size: 104px; line-height: .9; color: var(--tsp-cream); margin: 0;
}
.calc__formula {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: .02em;
  color: var(--tsp-cream); opacity: .8; margin-top: 34px; line-height: 1.5;
}
.calc__formula .accent-red { color: var(--tsp-red); opacity: 1; }
.calc__punch {
  font-family: var(--font-display); text-transform: lowercase; font-weight: 500;
  font-size: 19px; line-height: 1.35; color: var(--tsp-cream); opacity: .82;
  margin-top: 34px; max-width: 440px;
}
.calc__punch .accent-red { color: var(--tsp-red); opacity: 1; }

/* instrument panel — red-outlined HUD, like the file card */
.calc__panel {
  border: 1.5px solid var(--tsp-red);
  background: color-mix(in srgb, var(--tsp-cream) 5%, transparent);
}
.calc-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px 20px;
  padding: 18px 22px;
  border-bottom: 1px solid color-mix(in srgb, var(--tsp-red) 45%, transparent);
}
.calc-row__label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--tsp-red); grid-column: 1 / -1;
  margin-bottom: -6px;
}
.calc-num {
  width: 92px; text-align: right;
  background: rgba(0,0,0,.22);
  border: 1px solid color-mix(in srgb, var(--tsp-red) 50%, transparent);
  border-radius: 5px; padding: 7px 9px;
  font-family: var(--font-mono); font-size: 16px; color: var(--tsp-cream);
}
.calc-num:focus-visible { outline: 2px solid var(--tsp-red); outline-offset: 1px; border-color: var(--tsp-red); }
.calc-num__unit { font-family: var(--font-mono); font-size: 11px; color: var(--tsp-cream); opacity: .55; margin-left: 6px; }

/* custom brand slider */
.calc-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 3px; margin: 0;
  background: linear-gradient(to right,
     var(--tsp-red) 0 var(--fill, 40%),
     color-mix(in srgb, var(--tsp-cream) 22%, transparent) var(--fill, 40%) 100%);
  cursor: pointer;
}
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--tsp-red); border: 2px solid var(--tsp-cream);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--tsp-red) 22%, transparent);
}
.calc-slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--tsp-red); border: 2px solid var(--tsp-cream);
}
.calc-slider:focus-visible { outline: none; }
.calc-slider:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--tsp-cream); }
.calc-slider:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px var(--tsp-cream); }

/* rate chrome / adjust affordance */
.calc-rate {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
  border-bottom: 1px solid color-mix(in srgb, var(--tsp-red) 45%, transparent);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em;
  color: var(--tsp-cream); opacity: .8;
}
.calc-rate__toggle {
  margin-left: auto;
  background: none; border: 1px solid color-mix(in srgb, var(--tsp-red) 50%, transparent);
  color: var(--tsp-red); font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .08em; text-transform: uppercase; padding: 4px 9px; border-radius: 4px;
  cursor: pointer;
}
.calc-rate__toggle:hover { border-color: var(--tsp-red); }
.calc-rate__field { display: none; align-items: center; gap: 6px; }
.calc-rate.is-open .calc-rate__field { display: inline-flex; }
.calc-rate.is-open .calc-rate__static { display: none; }
.calc-rate__num {
  width: 70px; background: rgba(0,0,0,.22);
  border: 1px solid color-mix(in srgb, var(--tsp-red) 50%, transparent);
  border-radius: 4px; padding: 4px 6px; text-align: right;
  font-family: var(--font-mono); font-size: 13px; color: var(--tsp-cream);
}

/* output region — the hero */
.calc-out { padding: 24px 22px 26px; }
.calc-out__cap {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--tsp-red); margin-bottom: 6px;
}
.calc__spend {
  font-family: var(--font-display); font-weight: 700; color: var(--tsp-red);
  font-size: 88px; line-height: 1; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.calc-out__total {
  font-family: var(--font-mono); font-size: 15px; letter-spacing: .04em;
  color: var(--tsp-cream); opacity: .85; margin-top: 12px;
}
.calc-out__total b { color: var(--tsp-cream); opacity: 1; }

/* optional comparison block (hidden unless TSP_ANNUAL_COST is set) */
.calc-compare { margin-top: 16px; padding-top: 14px; border-top: 1px solid color-mix(in srgb, var(--tsp-red) 35%, transparent); }
.calc-compare__line { font-family: var(--font-mono); font-size: 13px; color: var(--tsp-cream); }
.calc-compare__save { color: var(--tsp-red); font-weight: 700; }

/* ===========================================================
   Standalone page wrapper (ssd-calculator.html)
   =========================================================== */
.standalone {
  position: fixed; inset: 0;
  background: var(--tsp-dark-brown); color: var(--tsp-cream);
  display: grid; place-items: center; overflow: auto;
}
.standalone .calc { width: min(1180px, 92vw); height: auto; padding: 48px 0; }

/* ===========================================================
   On-screen nav hint + progress bar (bottom)
   =========================================================== */
.nav-hint {
  position: fixed; bottom: 14px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  color: var(--tsp-cream); opacity: .35; z-index: 50; text-transform: uppercase;
  transition: opacity .4s;
}
.nav-hint.hide { opacity: 0; }

.progress-bar {
  position: fixed; left: 0; bottom: 0; height: 3px;
  background: var(--tsp-red);
  width: 0; z-index: 60;
  transition: width .5s var(--ease);
}

@media (max-width: 700px) {
  .pct-hud { display: none; }
  .nav-hint {
    left: 12px;
    right: 12px;
    bottom: 10px;
    transform: none;
    text-align: center;
    font-size: 9px;
  }
}

/* ===========================================================
   Reduced motion — skip transitions, show final states
   =========================================================== */
@media (prefers-reduced-motion: reduce) {
  .slide, .pct-hud__tick, .progress-bar, .nav-hint { transition: none !important; }
  [data-reveal] { opacity: 1 !important; animation: none !important; }
  [data-reveal]:not([data-reveal="fade"]) { transform: none !important; }
  .slide.is-active .flames, .slide.is-active .ember { animation: none !important; }
}

/* ===========================================================
   Print — clean 16:9 PDF, one slide per page, final states
   =========================================================== */
@media print {
  @page { size: 1280px 720px; margin: 0; }
  html, body { overflow: visible; background: #fff; height: auto; }
  .stage-wrap { position: static; display: block; }
  .stage {
    transform: none !important; width: 1280px; height: auto;
    box-shadow: none; overflow: visible;
  }
  .nav-hint, .progress-bar, .pct-hud { display: none !important; }
  .slide {
    position: relative; inset: auto;
    opacity: 1 !important; visibility: visible !important;
    page-break-after: always; break-after: page;
    width: 1280px; height: 720px; overflow: hidden;
  }
  .slide:last-child { page-break-after: avoid; break-after: avoid; }
  [data-reveal] { opacity: 1 !important; animation: none !important; }
  [data-reveal]:not([data-reveal="fade"]) { transform: none !important; }
  .slide::before { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}