/* ============================================================
   SEO ROCKSTARS 2026 - Impeccable Keynote Deck
   Design director: Impy. Editorial, presentation-grade.
   Palette: warm gold + near-black ink + white/bone. Light default.
   ============================================================ */

:root {
  /* --- Color roles (Impeccable color-and-contrast) --- */
  --ink:        #14110c;   /* near-black warm ink, primary text */
  --ink-soft:   #4a443a;   /* secondary text, AA on bone */
  --ink-mute:   #6b6456;   /* tertiary/labels, AA on bone at >=14px */
  --bone:       #f7f3ea;   /* page background, warm off-white */
  --bone-2:     #efe8da;   /* raised surface */
  --white:      #ffffff;
  --line:       #e2d9c6;   /* hairline on bone */
  --line-2:     #d3c6ab;

  --gold:       #c7a24b;   /* brand accent (large only) */
  --gold-deep:  #9a7a2d;   /* gold as text on bone -> ~4.9:1 AA */
  --gold-glow:  rgba(199,162,75,0.16);

  /* on dark panels */
  --on-dark:    #f7f3ea;
  --on-dark-mute:#c9bfa8;
  --panel:      #14110c;
  --panel-2:    #1d1912;

  /* --- Type (Impeccable typography) --- */
  --serif: "Fraunces", "Playfair Display", Georgia, serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* --- Spatial (8pt rhythm, Impeccable spatial-design) --- */
  --pad: clamp(2.5rem, 5vw, 6.5rem);
  --gutter: clamp(1.5rem, 3vw, 3rem);
  --radius: 14px;
  --radius-lg: 22px;

  /* --- Motion (Impeccable motion-design) --- */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 620ms;

  --shadow-sm: 0 2px 8px rgba(20,17,12,0.06), 0 1px 2px rgba(20,17,12,0.08);
  --shadow-md: 0 18px 44px -18px rgba(20,17,12,0.28), 0 6px 16px -8px rgba(20,17,12,0.14);
  --shadow-lg: 0 40px 90px -30px rgba(20,17,12,0.42), 0 14px 30px -14px rgba(20,17,12,0.22);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* number ligature discipline */
.tnum { font-variant-numeric: tabular-nums lining-nums; }

/* ============================================================
   DECK SHELL
   ============================================================ */
.deck {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(14px) scale(0.994);
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out),
              visibility 0s linear var(--dur);
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out),
              visibility 0s;
  z-index: 2;
}
.slide.is-leaving {
  opacity: 0;
  transform: translateY(-10px) scale(0.994);
  z-index: 1;
}

/* content padding container */
.pad { padding: var(--pad); display: flex; flex-direction: column; min-height: 0; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-size: clamp(0.68rem, 0.9vw, 0.82rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 1.9rem;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}
.eyebrow.on-dark { color: var(--gold); }

/* ---------- Display type ---------- */
.display {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.018em;
  color: var(--ink);
  font-size: clamp(2.6rem, 6.4vw, 6.2rem);
  margin: 0;
}
.display .accent { color: var(--gold-deep); font-style: italic; }
.display.on-dark { color: var(--on-dark); }
.display.on-dark .accent { color: var(--gold); }

.h2 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.014em;
  font-size: clamp(2rem, 4.2vw, 3.8rem);
  margin: 0;
}
.lede {
  font-size: clamp(1.05rem, 1.7vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0;
  font-weight: 400;
}
.lede.on-dark { color: var(--on-dark-mute); }
.kicker-num {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
}

/* ============================================================
   PROGRESS + CHROME
   ============================================================ */
.chrome {
  position: fixed;
  z-index: 40;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem clamp(1.5rem, 4vw, 3.5rem);
  pointer-events: none;
  font-size: 0.78rem;
  color: var(--ink-mute);
}
.chrome.on-dark-chrome { color: var(--on-dark-mute); }
.chrome .brand-mini {
  display: flex; align-items: center; gap: 0.6rem;
  pointer-events: auto;
  letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600;
  font-size: 0.7rem;
}
.chrome .brand-mini img { height: 18px; width: auto; opacity: 0.9; }
.counter { pointer-events: auto; letter-spacing: 0.16em; font-weight: 600; }
.counter .cur { color: var(--ink); }
.chrome.on-dark-chrome .counter .cur { color: var(--on-dark); }

.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 41;
  background: transparent;
}
.progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold));
  transition: width var(--dur) var(--ease-out);
}

/* nav hint arrows */
.navhint {
  position: fixed;
  z-index: 40;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 0.4rem;
  pointer-events: auto;
}
.navhint button {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(6px);
  color: var(--ink-soft);
  display: grid; place-items: center;
  transition: background 200ms var(--ease-out), transform 200ms var(--ease-out), border-color 200ms;
}
.navhint button:hover { background: var(--white); transform: translateY(-2px); border-color: var(--gold); color: var(--ink); }
.navhint button:focus-visible { outline: 2px solid var(--gold-deep); outline-offset: 2px; }
.on-dark-chrome ~ .navhint button { background: rgba(29,25,18,0.6); border-color: rgba(255,255,255,0.16); color: var(--on-dark-mute); }

/* ============================================================
   REVEAL SYSTEM (staggered entrance, active slide only)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
}
.slide.is-active .reveal {
  animation: rise var(--dur) var(--ease-out) forwards;
  animation-delay: calc(var(--d, 0) * 90ms + 140ms);
}
@keyframes rise {
  to { opacity: 1; transform: none; }
}

.reveal-img {
  opacity: 0;
  transform: scale(1.04);
  clip-path: inset(0 0 0 0);
}
.slide.is-active .reveal-img {
  animation: imgin 1000ms var(--ease-out) forwards;
  animation-delay: calc(var(--d, 0) * 90ms + 100ms);
}
@keyframes imgin {
  to { opacity: 1; transform: none; }
}

/* draw underline accent */
.uline { position: relative; white-space: nowrap; }
.uline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.12em;
  height: 0.09em;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  border-radius: 2px;
}
.slide.is-active .uline::after {
  animation: draw 700ms var(--ease-out) forwards;
  animation-delay: calc(var(--d, 0) * 90ms + 560ms);
}
@keyframes draw { to { transform: scaleX(1); } }

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 0;
}
.split.r { grid-template-columns: 0.95fr 1.05fr; }
.split > .pad { justify-content: center; gap: clamp(1.2rem, 2.4vh, 2rem); }

.media {
  position: relative;
  overflow: hidden;
  background: var(--bone-2);
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--framed { margin: var(--gutter); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }

/* panel = dark editorial surface (NO scrim over photos, this is a solid panel) */
.panel-dark { background: var(--panel); color: var(--on-dark); }
.panel-dark .h2, .panel-dark .display { color: var(--on-dark); }

/* photo caption chip (solid white pill, legible, no darkening of photo) */
.chip {
  position: absolute;
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--white);
  color: var(--ink);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.chip--tl { top: 1.1rem; left: 1.1rem; }
.chip--br { bottom: 1.1rem; right: 1.1rem; }

/* ============================================================
   1. TITLE
   ============================================================ */
.s-title { background:
    radial-gradient(120% 90% at 85% 10%, var(--gold-glow), transparent 60%),
    var(--bone); }
.s-title .pad { justify-content: space-between; height: 100%; gap: clamp(0.8rem, 2.2vh, 1.8rem); padding-top: clamp(2rem, 4vh, 3.5rem); padding-bottom: clamp(1.6rem, 3.5vh, 3rem); overflow: hidden; }
.title-top { display: flex; align-items: center; justify-content: space-between; flex: none; }
.title-logo { height: clamp(34px, 4vw, 50px); width: auto; }
.title-meta { text-align: right; font-size: 0.76rem; color: var(--ink-mute); letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; line-height: 1.7; }
.title-main { max-width: min(90%, 34ch); flex: 1 1 auto; min-height: 0; justify-content: center; }
.title-main .display { font-size: clamp(2.4rem, min(6.4vw, 8.4vh), 5rem); line-height: 0.96; overflow-wrap: normal; }
.title-main .lede { max-width: 44ch; font-size: clamp(0.98rem, 1.5vw, 1.35rem); }
.title-bottom { flex: none; }
.title-main .eyebrow { margin-bottom: 0.2rem; }
.title-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.title-statrow { display: flex; gap: clamp(1.5rem, 4vw, 3.5rem); }
.mini-stat .n { font-family: var(--serif); font-weight: 600; font-size: clamp(1.6rem, 2.6vw, 2.4rem); color: var(--ink); line-height: 1; }
.mini-stat .l { font-size: 0.72rem; color: var(--ink-mute); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.3rem; font-weight: 600; }

/* ============================================================
   2. HOOK / PROMISE  (dark editorial)
   ============================================================ */
.s-hook .pad { justify-content: center; align-items: center; text-align: center; gap: 1.6rem; }
.s-hook .display { max-width: 20ch; }
.s-hook .ruler {
  margin-top: 0.6rem;
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--on-dark-mute);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 0.6rem 1.1rem; border-radius: 999px;
  font-size: 0.85rem;
}
.s-hook .ruler b { color: var(--gold); font-weight: 600; }

/* ============================================================
   STAT GRID (proof)
   ============================================================ */
.statgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 0.5rem;
}
.stat {
  background: var(--white);
  padding: clamp(1.1rem, 2.4vw, 2rem);
  display: flex; flex-direction: column; gap: 0.35rem;
}
.stat .n {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.95; color: var(--ink);
}
.stat .n .u { color: var(--gold-deep); }
.stat .l { font-size: clamp(0.78rem, 1vw, 0.92rem); color: var(--ink-soft); line-height: 1.35; }
.panel-dark .statgrid { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.1); }
.panel-dark .stat { background: var(--panel-2); }
.panel-dark .stat .n { color: var(--on-dark); }
.panel-dark .stat .l { color: var(--on-dark-mute); }

/* ============================================================
   THE ONE THING / BIG DOMINO
   ============================================================ */
.s-onething .pad { justify-content: center; gap: 1.5rem; }
.bignum {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(6rem, 22vw, 20rem);
  line-height: 0.8; color: var(--gold);
  letter-spacing: -0.04em;
  position: relative;
}
.domino-statement {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.4vw, 3.2rem);
  line-height: 1.1; font-weight: 600; letter-spacing: -0.01em;
  max-width: 24ch;
}
.domino-statement em { color: var(--gold-deep); font-style: italic; }

/* domino visual row */
.dominos { display: flex; align-items: flex-end; gap: 0.5rem; height: 88px; margin-top: 0.4rem; }
.dominos i {
  display: block; width: 14px; border-radius: 3px;
  background: var(--line-2);
  transform-origin: bottom center;
}
.slide.is-active .dominos i {
  animation: topple 500ms var(--ease-out) forwards;
  animation-delay: calc(var(--i) * 80ms + 700ms);
}
@keyframes topple {
  50% { background: var(--gold); }
  100% { background: var(--gold); transform: rotate(-8deg) translateX(2px); }
}

/* ============================================================
   FILL WITH GREG element
   ============================================================ */
.fillgreg {
  border: 1.5px dashed var(--gold);
  background: var(--gold-glow);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  position: relative;
}
.fillgreg .tag {
  position: absolute; top: -0.7rem; left: 1rem;
  background: var(--gold-deep); color: var(--white);
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.14em;
  padding: 0.24rem 0.6rem; border-radius: 999px; text-transform: uppercase;
}
.fillgreg .draft-l { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--gold-deep); font-weight: 700; }
.fillgreg .draft { font-family: var(--serif); font-size: clamp(1.15rem, 1.9vw, 1.6rem); line-height: 1.2; color: var(--ink); font-weight: 500; }
.panel-dark .fillgreg { background: rgba(199,162,75,0.1); }
.panel-dark .fillgreg .draft { color: var(--on-dark); }

/* ============================================================
   SECRETS (belief break)
   ============================================================ */
.secret-index {
  display: flex; align-items: baseline; gap: 1.2rem;
}
.secret-index .kn {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(3.5rem, 8vw, 7rem); line-height: 0.8;
  color: var(--gold); letter-spacing: -0.03em;
}
.secret-index .kl { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-mute); font-weight: 600; }
.belief-old {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--ink-mute); font-size: clamp(0.95rem, 1.4vw, 1.2rem);
  text-decoration: line-through; text-decoration-color: var(--line-2);
}
.belief-new {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  line-height: 1.12; font-weight: 600; letter-spacing: -0.01em;
  max-width: 22ch;
}
.belief-new .accent { color: var(--gold-deep); font-style: italic; }
.trial-close {
  margin-top: 0.4rem;
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: 0.92rem; color: var(--ink-soft); font-style: italic;
}
.trial-close::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }

/* ============================================================
   TRANSITION
   ============================================================ */
.s-transition .pad { justify-content: center; align-items: center; text-align: center; gap: 1.8rem; }
.s-transition .ask {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.4rem, 2.6vw, 2.4rem); color: var(--on-dark-mute); font-weight: 400;
}
.s-transition .permission {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(2rem, 4.6vw, 4rem); line-height: 1.06; max-width: 22ch;
}
.s-transition .permission .accent { color: var(--gold); font-style: italic; }

/* ============================================================
   STACK (offer)
   ============================================================ */
.stack-wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(1.5rem, 3vw, 3rem); align-items: center; min-height: 0; }
.stack-list { display: flex; flex-direction: column; gap: 0.6rem; }
.stack-item {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  box-shadow: var(--shadow-sm);
}
.stack-item .si-k { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.12em; color: var(--gold-deep); text-transform: uppercase; }
.stack-item .si-t { font-weight: 600; font-size: clamp(0.95rem, 1.3vw, 1.15rem); color: var(--ink); }
.stack-item .si-d { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.15rem; line-height: 1.35; }
.stack-item .si-v { font-family: var(--serif); font-weight: 600; font-size: clamp(1.1rem, 1.7vw, 1.5rem); color: var(--ink); white-space: nowrap; }
.stack-total {
  align-self: stretch;
  background: var(--panel); color: var(--on-dark);
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  display: flex; flex-direction: column; justify-content: center; gap: 0.5rem;
  box-shadow: var(--shadow-md);
}
.stack-total .st-l { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-dark-mute); font-weight: 600; }
.stack-total .st-strike { color: var(--on-dark-mute); text-decoration: line-through; font-size: 1.4rem; font-family: var(--serif); }
.stack-total .st-n { font-family: var(--serif); font-weight: 600; font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 0.9; color: var(--gold); }
.stack-total .st-sub { font-size: 0.85rem; color: var(--on-dark-mute); line-height: 1.4; }

/* ============================================================
   PRICE (3 tiers)
   ============================================================ */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2vw, 1.8rem); align-items: stretch; }
.tier {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.3rem, 2.4vw, 2.1rem);
  display: flex; flex-direction: column; gap: 0.7rem;
  box-shadow: var(--shadow-sm);
}
.tier.feat {
  background: var(--panel); color: var(--on-dark);
  box-shadow: var(--shadow-lg); transform: translateY(-8px);
  border-color: var(--gold);
}
.tier .t-name { font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.82rem; color: var(--ink-soft); }
.tier.feat .t-name { color: var(--gold); }
.tier .t-badge { align-self: flex-start; font-size: 0.6rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 0.24rem 0.6rem; border-radius: 999px; background: var(--gold); color: var(--panel); }
.tier .t-price { font-family: var(--serif); font-weight: 600; font-size: clamp(2rem, 3.6vw, 3rem); line-height: 0.95; color: var(--ink); }
.tier.feat .t-price { color: var(--on-dark); }
.tier .t-was { font-size: 0.85rem; color: var(--ink-mute); text-decoration: line-through; }
.tier.feat .t-was { color: var(--on-dark-mute); }
.tier .t-list { list-style: none; margin: 0.4rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 0.45rem; }
.tier .t-list li { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.35; padding-left: 1.2rem; position: relative; }
.tier.feat .t-list li { color: var(--on-dark-mute); }
.tier .t-list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.tier .t-cap { margin-top: auto; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gold-deep); }
.tier.feat .t-cap { color: var(--gold); }

/* ============================================================
   GUARANTEE / URGENCY / CLOSE
   ============================================================ */
.s-guarantee .seal {
  width: clamp(120px, 16vw, 200px); height: clamp(120px, 16vw, 200px);
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: grid; place-items: center; text-align: center;
  background: var(--gold-glow);
  position: relative; flex: none;
}
.s-guarantee .seal .sn { font-family: var(--serif); font-weight: 600; font-size: clamp(2.2rem, 4vw, 3.4rem); color: var(--gold-deep); line-height: 0.9; }
.s-guarantee .seal .sl { font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); font-weight: 600; margin-top: 0.2rem; }

.urgency-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,0.1); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,0.1); }
.urgency-item { background: var(--panel-2); padding: clamp(1.2rem, 2.5vw, 2rem); display: flex; flex-direction: column; gap: 0.5rem; }
.urgency-item .un { font-family: var(--serif); font-weight: 600; font-size: clamp(1.8rem, 3.4vw, 2.8rem); color: var(--gold); line-height: 1; }
.urgency-item .ul { font-size: 0.82rem; color: var(--on-dark-mute); line-height: 1.4; }

/* close */
.s-close .pad { justify-content: center; align-items: center; text-align: center; gap: 1.6rem; }
.s-close .cta {
  display: inline-flex; align-items: center; gap: 0.7rem;
  text-decoration: none;
  background: var(--gold); color: var(--panel);
  font-weight: 700; letter-spacing: 0.02em;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  padding: 1rem 2rem; border-radius: 999px;
  box-shadow: 0 18px 40px -14px rgba(199,162,75,0.6);
  border: none;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.s-close .cta:hover { transform: translateY(-3px); box-shadow: 0 24px 54px -14px rgba(199,162,75,0.75); }
.s-close .cta:focus-visible { outline: 2px solid var(--on-dark); outline-offset: 3px; }
.s-close .micro { font-size: 0.85rem; color: var(--on-dark-mute); }

/* q&a */
.s-qa .pad { justify-content: center; align-items: center; text-align: center; gap: 1.4rem; }
.s-qa .contact { display: flex; gap: clamp(1.2rem, 3vw, 2.5rem); flex-wrap: wrap; justify-content: center; margin-top: 0.6rem; }
.s-qa .contact div { text-align: center; }
.s-qa .contact .l { font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-dark-mute); font-weight: 600; }
.s-qa .contact .v { font-family: var(--serif); font-size: clamp(1rem, 1.6vw, 1.4rem); color: var(--on-dark); margin-top: 0.25rem; }

/* helper */
.stack-rows { display: flex; flex-direction: column; gap: 0.5rem; }
.section-head { display: flex; flex-direction: column; gap: 0.9rem; margin-bottom: clamp(1rem, 2.5vh, 1.8rem); }
.two-col-copy { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem,2vw,2rem); }
/* ponytail: .grow forces flex-column; when combined with a grid layout class
   (.tiers/.stack-wrap), split them onto separate elements OR ensure the grid
   rule wins by specificity. Slide 11 uses split; slide 10 grid wins via the
   combined selector below. */
.grow { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; justify-content: center; }
.grow.stack-wrap { display: grid; }
.grow.two-col-copy { display: grid; }

/* origin story timeline */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tl-step { background: var(--white); padding: clamp(1.1rem, 2.2vw, 1.8rem); display: flex; flex-direction: column; gap: 0.5rem; }
.tl-step .ts-l { font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 700; color: var(--gold-deep); }
.tl-step .ts-t { font-family: var(--serif); font-weight: 600; font-size: clamp(1.1rem, 1.8vw, 1.5rem); color: var(--ink); line-height: 1.1; }
.tl-step .ts-d { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.4; }

/* ============================================================
   RESPONSIVE (mobile-safe, presentation still readable)
   ============================================================ */
@media (max-width: 860px) {
  :root { --pad: clamp(1.6rem, 6vw, 2.4rem); }
  .split, .split.r { grid-template-columns: 1fr; grid-template-rows: minmax(180px, 34vh) 1fr; }
  .split .media { order: -1; }
  .media--framed { margin: 0.9rem; }
  .stack-wrap { grid-template-columns: 1fr; gap: 1.1rem; }
  .tiers { grid-template-columns: 1fr; }
  .tier.feat { transform: none; }
  .statgrid { grid-template-columns: 1fr; }
  .timeline, .urgency-row { grid-template-columns: 1fr; }
  .title-main .display { font-size: clamp(2.4rem, 13vw, 4rem); }
  .two-col-copy { grid-template-columns: 1fr; }
  .stack-item .si-v { font-size: 1.05rem; }
  .chrome { font-size: 0.68rem; padding: 0.6rem 1.1rem; }
  .navhint { bottom: 3.2rem; }
}
@media (max-width: 860px) and (orientation: landscape) {
  .split, .split.r { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
  .split .media { order: 0; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0ms !important; transition-duration: 0.01ms !important; }
  .slide { transform: none !important; }
}

/* JS-off failsafe */
.no-js .slide { position: static; opacity: 1; visibility: visible; transform: none; min-height: 100vh; border-bottom: 1px solid var(--line); }
.no-js .reveal, .no-js .reveal-img { opacity: 1; transform: none; }
.no-js .chrome, .no-js .progress, .no-js .navhint { display: none; }
.no-js body { overflow: auto; }