/* ==========================================================================
   Dream 4 launch page (dream-4.html). Builds on styles.css tokens.
   The large "4" numeral is used on this page only.
   ========================================================================== */

.d4-page .nav { position: absolute; left: 0; right: 0; }
.d4-page .nav.is-scrolled { position: fixed; }

/* ---------- hero ---------- */
.d4-hero {
  --hp: #CC3F63; --as: #7B2FDF; --ac: #4266D2; --co: #48956A;
  position: relative;
  min-height: max(100dvh, 760px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 150px 24px 110px;
  background: #07050C;
  color: #fff;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.d4-hero__aura { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.d4-hero__aura span { position: absolute; border-radius: 50%; filter: blur(70px); }
.d4-hero__aura span:nth-child(1) {
  width: 46vmax; height: 46vmax; left: -18vmax; top: -16vmax;
  background: radial-gradient(circle, rgba(139, 75, 240, 0.55), transparent 65%);
}
.d4-hero__aura span:nth-child(2) {
  width: 70vmax; height: 40vmax; right: -14vmax; bottom: -24vmax;
  background: radial-gradient(closest-side, rgba(117, 42, 237, 0.75), rgba(90, 33, 181, 0.25) 60%, transparent);
}
.d4-hero__aura span:nth-child(3) {
  width: 34vmax; height: 34vmax; left: 52%; top: 18%;
  background: radial-gradient(circle, rgba(117, 42, 237, 0.42), transparent 66%);
  animation: d4-breathe 9s ease-in-out infinite alternate;
}
.d4-hero::after {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity: 0.08; mix-blend-mode: overlay;
}
@keyframes d4-breathe { from { transform: translate(-6%, 0) scale(0.92); opacity: 0.8; } to { transform: translate(4%, 6%) scale(1.08); opacity: 1; } }

.d4-hero__eyebrow {
  font: 500 13px/1 var(--font-mono); letter-spacing: 0.32em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 34px;
}

.d4-lockup {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(22px, 4vw, 56px);
  margin: 0;
}
.d4-lockup__word { width: clamp(180px, 26vw, 360px); height: auto; }
.d4-lockup__rule { width: 1px; align-self: stretch; margin: 6% 0; background: linear-gradient(transparent, rgba(255,255,255,0.35), transparent); }
.d4-lockup__num {
  position: relative;
  font: 600 clamp(150px, 22vw, 300px)/0.78 var(--font-display);
  letter-spacing: -0.06em;
  color: #fff;
  text-shadow: 0 0 60px rgba(139, 75, 240, 0.7), 0 0 140px rgba(117, 42, 237, 0.55);
}

/* module tiles */
.d4-tiles {
  list-style: none; padding: 0;
  margin: clamp(48px, 7vw, 76px) 0 0;
  display: flex; justify-content: center; gap: clamp(18px, 4vw, 52px);
}
.d4-tile { display: flex; flex-direction: column; align-items: center; gap: 16px; color: var(--mod); }
.d4-tile__box {
  width: clamp(64px, 7vw, 84px); aspect-ratio: 1;
  display: grid; place-items: center;
  border-radius: 14px;
  background: #F7F5FB;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.6) inset, 0 18px 40px -12px color-mix(in srgb, var(--mod) 70%, transparent), 8px 0 26px -10px var(--mod);
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1), box-shadow 0.4s var(--ease);
}
.d4-glyph { width: 58%; height: 58%; object-fit: contain; }
.d4-tile__box .d4-glyph { color: var(--mod); }
.d4-tile__name { font: 500 14px/1 var(--font-mono); letter-spacing: 0.02em; color: color-mix(in srgb, var(--mod) 70%, #fff); }
.d4-tile:hover .d4-tile__box { transform: translateY(-6px) rotate(-2deg); box-shadow: 0 0 0 1px #fff inset, 0 28px 50px -12px var(--mod), 8px 0 30px -8px var(--mod); }

.d4-hero__tag {
  margin-top: clamp(44px, 6vw, 64px);
  font: 600 clamp(20px, 2.4vw, 28px)/1.2 var(--font-display);
  letter-spacing: -0.02em;
}
.d4-hero__ctas { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px 28px; margin-top: 30px; }
.d4-textlink {
  font: 600 15px/1 var(--font-sans); color: rgba(255,255,255,0.85);
  padding: 10px 2px; border-bottom: 1px solid rgba(255,255,255,0.3);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.d4-textlink:hover { color: #fff; border-color: #C3ABFF; }
.d4-page a:focus-visible { outline: 2px solid #C3ABFF; outline-offset: 4px; border-radius: 4px; }

/* ==========================================================================
   Choreography (motion-safe only; everything is visible by default).
   Hero is pure CSS (no JS race): 0 aura bloom > .08 wordmark > .15 numeral
   resolves + purple flash > .32 rule draws > .52-.79 tiles stagger >
   .92 tagline > 1.04 actions; settles by ~1.8s. Lockup readable by ~.9s.
   Scroll groups (.d4-intro, each .d4-mod, .d4-close) get .is-in once from
   dream-4.js; hidden states only apply under html.d4-js.
   ========================================================================== */
.d4-lockup__num::before {
  content: ''; position: absolute; left: 50%; top: 50%; z-index: -1;
  width: 1.3em; height: 1.3em; margin: -.65em 0 0 -.65em; border-radius: 50%;
  background: radial-gradient(circle, rgba(170, 120, 255, .55), rgba(117, 42, 237, .18) 45%, transparent 68%);
  opacity: .35; pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .d4-hero__aura { animation: d4-aura 1.4s cubic-bezier(.2,.7,.2,1) both; }
  .d4-hero__eyebrow { animation: d4-rise .8s cubic-bezier(.2,.8,.2,1) both; }
  .d4-lockup__word { animation: d4-word 1s cubic-bezier(.16,1,.3,1) .08s both; }
  .d4-lockup__num { animation: d4-num 1.05s cubic-bezier(.16,1,.3,1) .15s both; }
  .d4-lockup__num::before { animation: d4-flash 1.5s cubic-bezier(.2,.7,.2,1) .2s both; }
  .d4-lockup__rule { transform-origin: 50% 50%; animation: d4-draw .7s cubic-bezier(.65,0,.35,1) .32s both; }
  .d4-tile { animation: d4-tile .85s cubic-bezier(.34,1.4,.5,1) both; animation-delay: calc(.52s + var(--i) * .09s); }
  .d4-tile__name { animation: d4-fade .6s ease-out both; animation-delay: calc(.72s + var(--i) * .09s); }
  .d4-hero__tag { animation: d4-rise .8s cubic-bezier(.2,.8,.2,1) .92s both; }
  .d4-hero > .d4-hero__ctas { animation: d4-rise .75s cubic-bezier(.2,.8,.2,1) 1.04s both; }

  /* scroll groups: shared transition, per-child delay */
  .d4-js .d4-kicker, .d4-js .d4-intro__title, .d4-js .d4-intro__lead,
  .d4-js .d4-mod__icon, .d4-js .d4-mod__body, .d4-js .d4-mod__link,
  .d4-js .d4-close__num, .d4-js .d4-close__title, .d4-js .d4-close .d4-hero__ctas {
    transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.16,1,.3,1);
  }
  .d4-js .d4-intro:not(.is-in) .d4-kicker { opacity: 0; transform: translateY(10px); }
  .d4-js .d4-intro:not(.is-in) .d4-intro__title { opacity: 0; transform: translateY(34px); }
  .d4-js .d4-intro:not(.is-in) .d4-intro__lead { opacity: 0; transform: translateY(22px); }
  .d4-js .d4-intro__title { transition-delay: .12s; }
  .d4-js .d4-intro__lead { transition-delay: .28s; }

  .d4-js .d4-mod:not(.is-in) .d4-mod__icon { opacity: 0; transform: scale(.6) rotate(-12deg); }
  .d4-js .d4-mod:not(.is-in) .d4-mod__body { opacity: 0; transform: translateY(22px); }
  .d4-js .d4-mod:not(.is-in) .d4-mod__link { opacity: 0; transform: translateX(18px); }
  .d4-js .d4-mod__icon { transition-timing-function: ease-out, cubic-bezier(.34,1.5,.5,1); }
  .d4-js .d4-mod__body { transition-delay: .12s; }
  .d4-js .d4-mod__link { transition-delay: .26s; }
  /* one-shot module-colored accent line sweeping the row's top border */
  .d4-js .d4-mod::after {
    content: ''; position: absolute; left: 0; top: -1px; height: 1px; width: 100%;
    background: linear-gradient(90deg, transparent, var(--mod) 40%, var(--mod) 60%, transparent);
    transform: scaleX(0); transform-origin: left; opacity: 0; pointer-events: none;
  }
  .d4-js .d4-mod.is-in::after { animation: d4-sweep 1.3s cubic-bezier(.65,0,.35,1) both; }

  .d4-js .d4-close:not(.is-in) .d4-close__num { opacity: 0; transform: translate(-50%, -50%) scale(1.18); }
  .d4-js .d4-close:not(.is-in) .d4-close__title { opacity: 0; transform: translateY(28px); }
  .d4-js .d4-close:not(.is-in) .d4-hero__ctas { opacity: 0; transform: translateY(18px); }
  .d4-js .d4-close__num { transition-duration: 1.2s, 1.4s; }
  .d4-js .d4-close__title { transition-delay: .25s; }
  .d4-js .d4-close .d4-hero__ctas { transition-delay: .42s; }
}
@media (prefers-reduced-motion: reduce) {
  .d4-hero__aura span { animation: none !important; }
  .d4-tile__box { transition: none; }
}
@keyframes d4-aura { from { opacity: 0; transform: scale(.88); } to { opacity: 1; transform: none; } }
@keyframes d4-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes d4-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes d4-word { from { opacity: 0; transform: translateX(-28px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes d4-num { 0% { opacity: 0; transform: scale(1.24) translateY(3%); } 55% { opacity: 1; } to { opacity: 1; transform: none; } }
@keyframes d4-flash { 0% { opacity: 0; transform: scale(.5); } 40% { opacity: 1; transform: scale(1.15); } to { opacity: .35; transform: none; } }
@keyframes d4-draw { from { opacity: 0; transform: scaleY(0); } to { opacity: 1; transform: none; } }
@keyframes d4-tile { from { opacity: 0; transform: translateY(30px) scale(.82) rotate(-6deg); } to { opacity: 1; transform: none; } }
@keyframes d4-sweep { 0% { opacity: 1; transform: scaleX(0); } 70% { opacity: 1; transform: scaleX(1); } to { opacity: 0; transform: scaleX(1); } }

/* ---------- intro ---------- */
.d4-intro { max-width: 920px; margin: 0 auto; padding: 140px 28px 70px; text-align: center; }
.d4-kicker { font: 500 12px/1 var(--font-mono); letter-spacing: 0.24em; text-transform: uppercase; color: var(--shot-text); margin-bottom: 26px; }
.d4-intro__title { font: 600 clamp(32px, 4.6vw, 56px)/1.08 var(--font-display); letter-spacing: -0.035em; text-wrap: balance; }
.d4-intro__title em { font-style: normal; color: var(--text-faint); }
.d4-intro__lead { margin: 28px auto 0; max-width: 58ch; font-size: 18px; line-height: 1.6; color: var(--text-muted); }

/* ---------- modules ---------- */
.d4-modules { max-width: 1120px; margin: 0 auto; padding: 20px 28px 140px; }
.d4-modlist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-12); }
.d4-mod {
  display: grid; grid-template-columns: 72px 1fr auto; gap: 32px; align-items: center;
  padding: 38px 8px; border-bottom: 1px solid var(--line-12);
  position: relative;
}
.d4-mod::before {
  content: ''; position: absolute; left: 0; top: -1px; height: 1px; width: 100%;
  background: var(--mod); transform: scaleX(0); transform-origin: left; transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.d4-mod:hover::before, .d4-mod:focus-within::before { transform: scaleX(1); }
.d4-mod__icon {
  width: 64px; height: 64px; border-radius: 14px; display: grid; place-items: center;
  color: var(--mod-ink, var(--mod));
  background: color-mix(in srgb, var(--mod) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--mod) 40%, transparent);
}
.d4-mod__k { font: 500 12px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mod-ink, var(--mod)); margin-bottom: 12px; }
.d4-mod__k span { color: var(--text-faint); margin-right: 6px; }
.d4-mod__title { font: 600 clamp(22px, 2.4vw, 30px)/1.15 var(--font-display); letter-spacing: -.025em; }
.d4-mod__text { margin-top: 10px; max-width: 60ch; color: var(--text-muted); line-height: 1.55; }
.d4-mod__link {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font: 600 14px/1 var(--font-sans); padding: 13px 18px; border-radius: 100px;
  border: 1px solid var(--line-28); transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.d4-mod__link:hover { background: var(--mod); border-color: var(--mod); color: #fff; }

/* ---------- close ---------- */
.d4-close { position: relative; overflow: hidden; padding: 150px 24px; text-align: center; color: #fff; }
.d4-close::before { content: ''; position: absolute; inset: 0; background: rgba(6,4,9,.55); }
.d4-close > * { position: relative; }
.d4-close__num {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  font: 600 min(52vw, 560px)/0.8 var(--font-display); letter-spacing: -.06em;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.14);
  pointer-events: none;
}
.d4-close__title { font: 600 clamp(30px, 4.4vw, 54px)/1.1 var(--font-display); letter-spacing: -.035em; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .d4-hero { padding: 120px 20px 80px; min-height: 100dvh; }
  .d4-lockup { flex-direction: column; gap: 10px; }
  .d4-lockup__rule { display: none; }
  .d4-lockup__word { width: 200px; }
  .d4-lockup__num { font-size: 170px; }
  .d4-tiles { display: grid; grid-template-columns: repeat(2, auto); gap: 28px 44px; }
  .d4-mod { grid-template-columns: 1fr; gap: 18px; padding: 32px 0; }
  .d4-mod__link { justify-self: start; }
  .d4-intro { padding-top: 96px; }
}

/* ---------- what's new (Dream 3 vs Dream 4) ---------- */
.d4-inline { color: var(--shot-text); border-bottom: 1px solid currentColor; }
.d4-wn__soon {
  display: inline-block; margin-left: 10px; padding: 4px 9px; border-radius: 100px; vertical-align: 1px;
  font: 500 10px/1 var(--font-mono); font-style: normal; letter-spacing: .14em; text-transform: uppercase;
  color: var(--mod-ink, var(--mod, var(--shot-text))); border: 1px dashed currentColor;
}
.d4-wn { max-width: 1180px; margin: 0 auto; padding: 40px 28px 150px; }
.d4-wn__intro { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.d4-wn__title { font: 600 clamp(30px, 4.2vw, 52px)/1.08 var(--font-display); letter-spacing: -.035em; text-wrap: balance; }
.d4-wn__title em { font-style: normal; color: var(--text-faint); }
.d4-wn__lead { margin: 22px auto 0; max-width: 52ch; font-size: 17px; line-height: 1.6; color: var(--text-muted); }
.d4-wn__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.d4-wn__row {
  --mod: #8B4BF0;
  position: relative; display: grid; grid-template-columns: minmax(200px, 1fr) minmax(0, 1fr) minmax(0, 1.5fr);
  border: 1px solid var(--line-12); border-radius: 18px; overflow: hidden;
  background: linear-gradient(100deg, color-mix(in srgb, var(--mod) 9%, transparent), transparent 45%);
}
.d4-wn__row > div { padding: 30px 28px; }
.d4-wn__k { font: 500 12px/1.2 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mod-ink, var(--mod)); margin-bottom: 12px; }
.d4-wn__row.mod-core .d4-wn__k { color: var(--shot-text); }
.d4-wn__k span { color: var(--text-faint); margin-right: 6px; }
.d4-wn__line { font: 600 clamp(19px, 1.8vw, 23px)/1.2 var(--font-display); letter-spacing: -.02em; }
.d4-wn__lbl { font: 500 11px/1 var(--font-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 12px; }
.d4-wn__then { border-left: 1px solid var(--line-12); color: var(--text-faint); font-size: 15px; line-height: 1.55; }
.d4-wn__then p:last-child { color: var(--text-muted); }
.d4-wn__now { --text: #ffffff; border-left: 1px solid var(--line-12); background: linear-gradient(color-mix(in srgb, var(--mod) 6%, transparent), color-mix(in srgb, var(--mod) 6%, transparent)), #0B0812; font-size: 15px; line-height: 1.55; color: var(--text); }
.d4-wn__now .d4-wn__lbl { color: var(--purple-light); }
.d4-wn__now > p:not(.d4-wn__lbl),
.d4-wn__now > ul > li { color: var(--text); }
.d4-wn__now > ul:not(.d4-wn__chips) { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.d4-wn__now > ul:not(.d4-wn__chips) li { position: relative; padding-left: 20px; }
.d4-wn__now > ul:not(.d4-wn__chips) li::before { content: ''; position: absolute; left: 2px; top: .62em; width: 8px; height: 2px; border-radius: 2px; background: var(--mod); }
.d4-wn__chips { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.d4-wn__chips li { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 100px; font: 500 12px/1 var(--font-mono); border: 1px solid color-mix(in srgb, var(--mod) 45%, transparent); color: var(--text); }

@media (prefers-reduced-motion: no-preference) {
  .d4-js .d4-wn__intro > *, .d4-js .d4-wn__row > div {
    transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.16,1,.3,1);
  }
  .d4-js .d4-wn__intro:not(.is-in) > * { opacity: 0; transform: translateY(24px); }
  .d4-js .d4-wn__intro > :nth-child(2) { transition-delay: .12s; }
  .d4-js .d4-wn__intro > :nth-child(3) { transition-delay: .24s; }
  .d4-js .d4-wn__row:not(.is-in) > div { opacity: 0; transform: translateY(18px); }
  .d4-js .d4-wn__then { transition-delay: .1s; }
  .d4-js .d4-wn__now { transition-delay: .2s; }
}

@media (max-width: 960px) {
  .d4-wn__row { grid-template-columns: 1fr 1fr; }
  .d4-wn__head { grid-column: 1 / -1; padding-bottom: 8px !important; }
  .d4-wn__then { border-left: 0; }
}
@media (max-width: 640px) {
  .d4-wn { padding: 20px 18px 110px; }
  .d4-wn__row { grid-template-columns: 1fr; }
  .d4-wn__row > div { padding: 22px 20px; }
  .d4-wn__then { padding-top: 6px !important; padding-bottom: 16px !important; }
  .d4-wn__now { border-left: 0; border-top: 1px solid var(--line-12); }
}
.d4-wn { scroll-margin-top: 80px; }