/* =====================================================================
   Hey, I have to ask you — stylesheet
   --------------------------------------------------------------------
   1. Tokens          (colors, type, motion, spacing, shadows)
   2. Reset           (modern, minimal)
   3. Background      (gradient + blobs + vignette)
   4. Layout          (stage + screens)
   5. Components      (intro, question, ending, replay, sure)
   6. Animations      (keyframes + utilities)
   7. Accessibility   (focus, sr-only, reduced motion)
   8. Responsive      (mobile/tablet tweaks)
   ===================================================================== */

/* 1. TOKENS ----------------------------------------------------------------- */
:root {
  /* Palette — OKLCH, hand-tuned for a warm-midnight romantic scene */
  --bg:               oklch(0.12 0.025 290);
  --bg-elevated:      oklch(0.18 0.03  285);
  --bg-glass:         oklch(0.20 0.035 285 / 0.55);
  --bg-glass-strong:  oklch(0.22 0.04  285 / 0.78);

  --rose:             oklch(0.66 0.22  18);
  --rose-deep:        oklch(0.55 0.25  22);
  --rose-glow:        oklch(0.78 0.15  15);
  --rose-soft:        oklch(0.66 0.22  18 / 0.18);

  --champagne:        oklch(0.86 0.08  75);
  --champagne-soft:   oklch(0.86 0.08  75 / 0.55);

  --ink:              oklch(0.97 0.01  60);
  --ink-muted:        oklch(0.74 0.02  50);
  --ink-faint:        oklch(0.55 0.02  50);

  --line:             oklch(0.97 0.01  60 / 0.10);
  --line-strong:      oklch(0.97 0.01  60 / 0.20);

  /* Type */
  --font-display: "Cormorant Garamond", "Iowan Old Style", "Apple Garamond",
                  Baskerville, Georgia, "Times New Roman", serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
                  Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-script:  "Caveat", "Bradley Hand", "Segoe Script", cursive;

  /* Scale (fluid, clamp-based) */
  --fs-eyebrow:  clamp(0.78rem, 0.7rem + 0.3vw, 0.9rem);
  --fs-body:     clamp(0.95rem, 0.9rem + 0.2vw, 1.05rem);
  --fs-sub:      clamp(1rem, 0.92rem + 0.4vw, 1.2rem);
  --fs-btn:      clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-prompt:   clamp(2rem, 1.2rem + 3.6vw, 3.6rem);
  --fs-hero:     clamp(2.6rem, 1.6rem + 4.5vw, 4.8rem);
  --fs-ending:   clamp(2rem, 1.1rem + 3.8vw, 3.8rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  /* Radii */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Motion */
  --ease-out-soft:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out-strong: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-soft:    cubic-bezier(0.55, 0.06, 0.68, 0.19);
  --ease-in-out:     cubic-bezier(0.65, 0, 0.35, 1);

  --dur-fast:    180ms;
  --dur-base:    320ms;
  --dur-slow:    620ms;
  --dur-cinema:  1100ms;
  --dur-grand:   1800ms;

  /* Shadows / glows */
  --shadow-1: 0 1px 0 0 oklch(1 0 0 / 0.04) inset,
              0 8px 30px oklch(0 0 0 / 0.35);
  --shadow-glow-rose: 0 0 0 1px oklch(0.66 0.22 18 / 0.35),
                      0 10px 40px -8px oklch(0.66 0.22 18 / 0.55),
                      0 0 80px -20px oklch(0.66 0.22 18 / 0.45);
  --shadow-glow-soft: 0 0 0 1px oklch(0.97 0.01 60 / 0.10),
                      0 12px 40px oklch(0 0 0 / 0.45);

  /* Z-index scale (semantic) */
  --z-bg: 0;
  --z-stage: 10;
  --z-overlay: 100;
  --z-toast: 200;
  --z-cursor: 300;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow: hidden;
  overscroll-behavior: none;
}

img, svg, button { display: block; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { font-weight: 500; }

/* 3. BACKGROUND ------------------------------------------------------------ */
.bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  overflow: hidden;
  background: var(--bg);
}

.bg__gradient {
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, oklch(0.30 0.10 320 / 0.55), transparent 60%),
    radial-gradient(ellipse 80% 60% at 10% 100%, oklch(0.22 0.10 18  / 0.45), transparent 60%),
    radial-gradient(ellipse 80% 60% at 100% 100%, oklch(0.22 0.08 280 / 0.40), transparent 60%),
    linear-gradient(180deg, oklch(0.10 0.03 290) 0%, oklch(0.08 0.02 290) 100%);
  filter: saturate(1.05);
  animation: auroraShift 32s var(--ease-in-out) infinite alternate;
  will-change: transform, filter;
}

.bg__blob {
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.55;
  mix-blend-mode: screen;
  animation: blobFloat 22s var(--ease-in-out) infinite alternate;
  will-change: transform;
}
.bg__blob--rose      { background: oklch(0.55 0.25 22 / 0.65);  top: -20vmax; left: -10vmax; animation-duration: 26s; }
.bg__blob--plum      { background: oklch(0.45 0.18 320 / 0.55); bottom: -25vmax; right: -15vmax; animation-duration: 32s; }
.bg__blob--champagne { background: oklch(0.78 0.10 70 / 0.28);  top: 30vmax; right: 10vmax; animation-duration: 38s; opacity: 0.4; }

.bg__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* Subtle parallax via CSS variable updated by JS */
  transform: translate3d(var(--mx, 0px), var(--my, 0px), 0) scale(1.08);
  transition: transform 320ms var(--ease-out-soft);
  will-change: transform;
}

.bg__vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 80% at 50% 50%, transparent 55%, oklch(0.05 0.02 290 / 0.7) 100%);
  pointer-events: none;
}

/* 4. LAYOUT ---------------------------------------------------------------- */
.stage {
  position: relative;
  z-index: var(--z-stage);
  width: 100%;
  height: 100dvh;
  display: grid;
  place-items: center;
  padding: var(--space-6) var(--space-5);
  perspective: 1200px;
}

.screen {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--space-6) var(--space-5);
  opacity: 0;
  transform: translate3d(0, 0, 30px) scale3d(1.03, 1.03, 1);
  pointer-events: none;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  contain: layout style;
  transition:
    opacity 350ms var(--ease-out-strong),
    transform 350ms var(--ease-out-strong);
  /* Reasonable type rendering */
  text-wrap: balance;
}

.screen.is-active {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale3d(1, 1, 1);
  pointer-events: auto;
}

.screen.is-leaving {
  opacity: 0;
  transform: translate3d(0, 0, -40px) scale3d(0.96, 0.96, 1);
  pointer-events: none;
  transition:
    opacity 350ms var(--ease-out-strong),
    transform 350ms var(--ease-out-strong);
}

.screen__inner {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  text-align: center;
}

/* 5. COMPONENTS ------------------------------------------------------------ */

/* --- Buttons (shared) ---------------------------------------------------- */
.btn {
  --btn-bg: var(--bg-glass);
  --btn-fg: var(--ink);
  --btn-border: var(--line-strong);
  --btn-shadow: var(--shadow-1);
  --btn-pad-y: 0.95rem;
  --btn-pad-x: 1.6rem;

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-family: var(--font-body);
  font-size: var(--fs-btn);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--r-pill);
  box-shadow: var(--btn-shadow);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--dur-fast) var(--ease-out-soft),
    box-shadow var(--dur-base) var(--ease-out-soft),
    background-color var(--dur-base) var(--ease-out-soft),
    border-color var(--dur-base) var(--ease-out-soft);
  -webkit-user-select: none;
  user-select: none;
}

.btn::before {
  /* sheen */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, oklch(1 0 0 / 0.10), oklch(1 0 0 / 0) 50%);
  pointer-events: none;
  z-index: 0;
}

.btn__label,
.btn__sparkle,
.btn__ripple,
.btn__glow {
  position: relative;
  z-index: 1;
}

.btn:focus-visible {
  outline: 2px solid var(--rose-glow);
  outline-offset: 4px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-soft);
}

.btn:active {
  transform: translateY(0) scale(0.985);
  transition-duration: 80ms;
}

/* CTA (intro Start) */
.btn--cta {
  --btn-bg: linear-gradient(180deg, oklch(0.70 0.22 18), oklch(0.58 0.24 22));
  --btn-fg: oklch(0.99 0.01 30);
  --btn-border: oklch(0.78 0.15 15 / 0.5);
  --btn-shadow: var(--shadow-glow-rose);
  padding: 1.05rem 2.4rem;
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
  letter-spacing: 0.02em;
}

.btn--cta .btn__glow {
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: radial-gradient(60% 120% at 50% 50%, oklch(0.85 0.15 15 / 0.55), transparent 70%);
  filter: blur(12px);
  opacity: 0.7;
  z-index: 0;
  animation: glowPulse 3.6s var(--ease-in-out) infinite;
  pointer-events: none;
}

.btn--cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 0 0 1px oklch(0.85 0.15 15 / 0.6),
    0 20px 50px -10px oklch(0.66 0.22 18 / 0.7),
    0 0 100px -20px oklch(0.66 0.22 18 / 0.6);
}

/* YES button */
.btn--yes {
  --btn-bg: linear-gradient(180deg, oklch(0.72 0.20 18), oklch(0.60 0.24 22));
  --btn-fg: oklch(0.99 0.01 30);
  --btn-border: oklch(0.82 0.14 15 / 0.45);
  --btn-shadow: 0 8px 30px -6px oklch(0.66 0.22 18 / 0.55);
  min-width: 9rem;
  padding: 1rem 1.9rem;
}

.btn--yes .btn__sparkle {
  font-size: 1.1em;
  color: oklch(0.99 0.01 30);
  transform: translateY(-1px);
  transition: transform var(--dur-base) var(--ease-out-soft);
}

.btn--yes:hover .btn__sparkle { transform: translateY(-1px) scale(1.15) rotate(-6deg); }

.btn--yes:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow:
    0 0 0 1px oklch(0.85 0.15 15 / 0.5),
    0 16px 40px -8px oklch(0.66 0.22 18 / 0.65);
}

/* NO button — looks benign at rest, gets evasive on hover (see JS) */
.btn--no {
  --btn-bg: var(--bg-glass);
  --btn-fg: var(--ink-muted);
  --btn-border: var(--line);
  min-width: 7rem;
  padding: 1rem 1.5rem;
  transition:
    transform 220ms var(--ease-out-soft),
    background-color 220ms var(--ease-out-soft),
    opacity 220ms var(--ease-out-soft);
}

.btn--no:hover {
  background: oklch(0.20 0.04 285 / 0.7);
}

.btn--no[data-evade="1"] { transform: translate3d(40vw, -10vh, 0) scale(1); }
.btn--no[data-evade="2"] { transform: translate3d(-40vw, 8vh, 0) scale(1); }
.btn--no[data-evade="3"] { transform: scale(0.78); }
.btn--no[data-evade="4"] { transform: rotate(180deg) scale(0.9); }
.btn--no[data-evade="5"] { opacity: 0.0; transform: scale(0.6); }
.btn--no[data-evade="7"] { animation: runAround 6s linear infinite; }
.btn--no[data-evade="8"] { animation: bounceRandom 1.4s var(--ease-out-soft) infinite; }
.btn--no[data-evade="10"] { transform: scale(0.18); opacity: 0.6; }
.btn--no[data-evade="11"] {
  transition: transform 80ms linear, opacity 80ms linear;
}

/* Ghost (replay) */
.btn--ghost {
  --btn-bg: transparent;
  --btn-border: var(--line-strong);
  --btn-shadow: none;
  color: var(--ink);
  padding: 0.9rem 1.6rem;
  margin-top: var(--space-4);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--dur-slow) var(--ease-out-soft),
    transform var(--dur-slow) var(--ease-out-soft),
    background-color var(--dur-base) var(--ease-out-soft),
    box-shadow var(--dur-base) var(--ease-out-soft);
}
.btn--ghost.is-revealed {
  opacity: 1;
  transform: translateY(0);
}
.btn--ghost.is-revealed:hover {
  background: oklch(0.20 0.04 285 / 0.5);
  box-shadow: none;
  transform: translateY(-2px);
}

/* Ripple (added by JS) */
.btn__ripple {
  position: absolute;
  border-radius: 50%;
  background: oklch(0.97 0.01 60 / 0.5);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  will-change: transform, opacity;
}

.btn__ripple.is-animating {
  animation: ripple 500ms var(--ease-out-soft) forwards;
}

/* --- INTRO --------------------------------------------------------------- */
.screen--intro .screen__inner { gap: var(--space-6); }

.intro__eyebrow {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-muted);
  opacity: 0;
  transform: translateY(6px);
  animation: fadeUp var(--dur-slow) var(--ease-out-soft) 80ms forwards;
}

.intro__heart {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  color: var(--rose);
  background: radial-gradient(60% 60% at 50% 35%, oklch(0.78 0.15 15 / 0.5), transparent 70%);
  display: grid;
  place-items: center;
  filter: drop-shadow(0 8px 30px oklch(0.66 0.22 18 / 0.55));
  opacity: 0;
  transform: scale(0.6);
  animation:
    heartPop var(--dur-grand) var(--ease-out-strong) 120ms forwards,
    heartbeat 1.6s var(--ease-in-out) 1.6s infinite;
  transition: transform 240ms var(--ease-out-soft);
}

.intro__heart svg { width: 64px; height: 64px; }
.intro__heart:hover { transform: scale(1.08); }
.intro__heart:focus-visible { outline: 2px solid var(--rose-glow); outline-offset: 6px; }

.intro__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: var(--fs-hero);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-shadow: 0 0 40px oklch(0.66 0.22 18 / 0.15);
}

.intro__line {
  display: block;
  opacity: 0;
  transform: translateY(18px) skewY(2deg);
  will-change: transform, opacity;
  animation: lineIn var(--dur-grand) var(--ease-out-strong) forwards;
}
.intro__line:nth-child(1) { animation-delay: 280ms; }
.intro__line:nth-child(2) { animation-delay: 520ms; }
.intro__line:nth-child(3) { animation-delay: 760ms; }

.intro__sub {
  font-size: var(--fs-sub);
  color: var(--ink-muted);
  font-style: italic;
  opacity: 0;
  animation: fadeUp var(--dur-slow) var(--ease-out-soft) 1.1s forwards;
}

.screen--intro .btn--cta {
  opacity: 0;
  animation: fadeUp var(--dur-slow) var(--ease-out-soft) 1.4s forwards;
}

/* --- QUESTION ------------------------------------------------------------ */
.screen--question .screen__inner { gap: var(--space-7); }

.question__step {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.question__step-current { color: var(--champagne); }
.question__step-divider { width: 1.2rem; height: 1px; background: var(--line-strong); }

.question__prompt {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: var(--fs-prompt);
  line-height: 1.12;
  letter-spacing: -0.018em;
  color: var(--ink);
  text-wrap: balance;
}

.question__prompt .accent {
  color: var(--rose-glow);
  font-style: normal;
  font-weight: 500;
}

.question__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

/* per-question entrance variants */
.screen--question[data-entrance="rise"]   .question__prompt { animation: riseIn   var(--dur-grand) var(--ease-out-strong) 60ms both; }
.screen--question[data-entrance="slide"]  .question__prompt { animation: slideIn  var(--dur-grand) var(--ease-out-strong) 60ms both; }
.screen--question[data-entrance="scale"]  .question__prompt { animation: scaleIn  var(--dur-grand) var(--ease-out-strong) 60ms both; }
.screen--question[data-entrance="rotate"] .question__prompt { animation: rotateIn var(--dur-grand) var(--ease-out-strong) 60ms both; }
.screen--question[data-entrance="type"]   .question__prompt { animation: typeFade var(--dur-grand) var(--ease-out-soft)   60ms both; }

.screen--question .question__actions {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp var(--dur-slow) var(--ease-out-soft) 700ms forwards;
}

/* The "shake" applied if NO is clicked */
.screen.is-shaking { animation: screenShake 460ms cubic-bezier(0.36, 0.07, 0.19, 0.97); }

/* --- ENDING -------------------------------------------------------------- */
.screen--ending .screen__inner { gap: var(--space-5); }

.ending__heart {
  width: clamp(110px, 18vw, 180px);
  height: clamp(110px, 18vw, 180px);
  display: grid;
  place-items: center;
  color: var(--rose);
  filter: drop-shadow(0 10px 40px oklch(0.66 0.22 18 / 0.65));
  animation:
    heartPop var(--dur-grand) var(--ease-out-strong) 80ms both,
    heartbeat 1.5s var(--ease-in-out) 2.0s infinite;
}
.ending__heart svg { width: 100%; height: 100%; }

.ending__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-ending);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}
.ending__title em {
  font-style: italic;
  color: var(--rose-glow);
  font-weight: 500;
}

.ending__line {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 0.95rem + 0.8vw, 1.5rem);
  font-style: italic;
  color: var(--ink-muted);
  line-height: 1.5;
  max-width: 38ch;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp var(--dur-slow) var(--ease-out-soft) forwards;
}
.ending__line--strong { color: var(--ink); font-weight: 500; }
.ending__line--accent { color: var(--champagne); font-style: normal; font-weight: 500; }
.ending__line em { color: var(--rose-glow); font-style: italic; }

.screen--ending.is-active .ending__line:nth-of-type(1) { animation-delay: 600ms; }
.screen--ending.is-active .ending__line:nth-of-type(2) { animation-delay: 1100ms; }
.screen--ending.is-active .ending__line:nth-of-type(3) { animation-delay: 1500ms; }
.screen--ending.is-active .ending__line:nth-of-type(4) { animation-delay: 2200ms; }

.ending__divider {
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--champagne-soft), transparent);
  margin: var(--space-3) 0;
  opacity: 0;
  animation: fadeUp var(--dur-slow) var(--ease-out-soft) 1.9s forwards;
}

/* Slight brightening for the finale */
body.is-finale .bg__gradient { animation-duration: 20s; filter: saturate(1.1) brightness(1.05); }
body.is-finale .bg__blob--rose { opacity: 0.7; }

/* --- REPLAY -------------------------------------------------------------- */
.screen--replay .screen__inner { gap: var(--space-6); }

.replay__script {
  font-family: var(--font-script);
  font-size: clamp(2.6rem, 1.6rem + 4vw, 4.4rem);
  line-height: 1.1;
  color: var(--rose-glow);
  text-shadow: 0 0 40px oklch(0.66 0.22 18 / 0.5);
  letter-spacing: 0.005em;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  animation: fadeUp var(--dur-grand) var(--ease-out-soft) 200ms forwards;
}

/* --- SURE OVERLAY -------------------------------------------------------- */
.sure {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: grid;
  place-items: center;
  background: oklch(0.05 0.02 290 / 0.7);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out-soft);
}
.sure:not([hidden]) { display: grid; }
.sure.is-open { opacity: 1; pointer-events: auto; }

.sure__panel {
  background: var(--bg-glass-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xl);
  padding: clamp(1.5rem, 2.5vw, 2.5rem);
  max-width: 420px;
  width: calc(100% - 2rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-glow-soft);
  transform: scale(0.96) translateY(8px);
  transition: transform var(--dur-base) var(--ease-out-strong);
}
.sure.is-open .sure__panel { transform: scale(1) translateY(0); }

.sure__emoji { font-size: 3rem; line-height: 1; }
.sure__title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.8rem);
  color: var(--ink);
  line-height: 1.2;
}
.sure__sub { color: var(--ink-muted); font-style: italic; }
.sure__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* 6. ANIMATIONS ------------------------------------------------------------ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes lineIn {
  from { opacity: 0; transform: translateY(18px) skewY(2deg); }
  to   { opacity: 1; transform: translateY(0) skewY(0); }
}

@keyframes heartPop {
  0%   { opacity: 0; transform: scale(0.4) rotate(-10deg); }
  60%  { opacity: 1; transform: scale(1.08) rotate(2deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes heartbeat {
  0%, 100%        { transform: scale(1); }
  14%             { transform: scale(1.12); }
  28%             { transform: scale(1); }
  42%             { transform: scale(1.08); }
  70%             { transform: scale(1); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 0.9; }
}

@keyframes auroraShift {
  0%   { transform: translate3d(0, 0, 0)    rotate(0deg);   filter: saturate(1.05); }
  50%  { transform: translate3d(2%, -1%, 0) rotate(2deg);   filter: saturate(1.1) hue-rotate(8deg); }
  100% { transform: translate3d(-2%, 1%, 0) rotate(-1.5deg); filter: saturate(1.05) hue-rotate(-6deg); }
}

@keyframes blobFloat {
  0%   { transform: translate3d(0, 0, 0)   scale(1); }
  50%  { transform: translate3d(3%, -2%, 0) scale(1.05); }
  100% { transform: translate3d(-3%, 2%, 0) scale(0.97); }
}

@keyframes ripple {
  0%   { transform: scale(0);   opacity: 0.45; }
  100% { transform: scale(2.4); opacity: 0; }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(36px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.86); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-6deg) scale(0.92); }
  to   { opacity: 1; transform: rotate(0)    scale(1); }
}
@keyframes typeFade {
  0%   { opacity: 0; letter-spacing: 0.04em; }
  60%  { opacity: 1; letter-spacing: 0; }
  100% { opacity: 1; letter-spacing: -0.018em; }
}

.screen-flash {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, oklch(0.92 0.10 18 / 0.45), transparent 70%);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 150;
  opacity: 0;
  will-change: opacity;
}
.screen-flash.is-flashing {
  animation: flashAnim 600ms var(--ease-out-strong) forwards;
}
@keyframes flashAnim {
  0% { opacity: 0; }
  30% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes runAround {
  0%   { transform: translate(0, 0) rotate(0); }
  25%  { transform: translate(28vw, -10vh) rotate(90deg); }
  50%  { transform: translate(30vw, 12vh) rotate(180deg); }
  75%  { transform: translate(-28vw, 8vh) rotate(270deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

@keyframes bounceRandom {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(20vw, -8vh); }
  40%  { transform: translate(-18vw, 6vh); }
  60%  { transform: translate(10vw, 10vh); }
  80%  { transform: translate(-12vw, -4vh); }
  100% { transform: translate(0, 0); }
}

@keyframes screenShake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-6px, 4px); }
  20% { transform: translate(6px, -4px); }
  30% { transform: translate(-5px, -3px); }
  40% { transform: translate(5px, 3px); }
  50% { transform: translate(-3px, 4px); }
  60% { transform: translate(3px, -3px); }
  70% { transform: translate(-2px, 2px); }
  80% { transform: translate(2px, -1px); }
  90% { transform: translate(-1px, 1px); }
}

/* 7. ACCESSIBILITY --------------------------------------------------------- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: 0.5rem; left: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  color: var(--ink);
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  transform: translateY(-200%);
  transition: transform 200ms var(--ease-out-soft);
  z-index: 1000;
}
.skip-link:focus { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .bg__blob, .bg__gradient { animation: none !important; }
  .screen {
    opacity: 1;
    transform: none;
    filter: none;
  }
  .screen[hidden] { display: none !important; }
  .intro__line, .intro__title, .intro__sub, .screen--intro .btn--cta {
    opacity: 1; transform: none; filter: none; animation: none !important;
  }
  .question__prompt, .question__actions, .ending__line, .ending__divider,
  .replay__script {
    opacity: 1; transform: none; animation: none !important;
  }
  .ending__line:nth-of-type(1),
  .ending__line:nth-of-type(2),
  .ending__line:nth-of-type(3),
  .ending__line:nth-of-type(4) {
    animation: none !important; opacity: 1; transform: none;
  }
}

/* 8. RESPONSIVE ------------------------------------------------------------ */
@media (max-width: 640px) {
  .stage, .screen { padding: var(--space-5) var(--space-4); }
  .screen__inner { gap: var(--space-5); }
  .intro__heart { width: 80px; height: 80px; }
  .intro__heart svg { width: 54px; height: 54px; }
  .question__actions { gap: var(--space-3); }
  .btn { padding: 0.9rem 1.4rem; }
  .btn--yes, .btn--no { min-width: 0; flex: 1 1 8rem; }
}

@media (max-height: 560px) {
  .screen__inner { gap: var(--space-4); }
  .question__prompt { font-size: clamp(1.5rem, 1.2rem + 2.2vw, 2.4rem); }
  .intro__heart { width: 72px; height: 72px; }
  .intro__heart svg { width: 48px; height: 48px; }
}

/* Touch: disable hover transforms (they stick on touch) */
@media (hover: none) {
  .btn:hover { transform: none; }
  .intro__heart:hover { transform: scale(1); }
}