/* ============================================================
   CREALIZE — SITE STYLES  ·  part 1: base / nav / hero / atmosphere
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.02em; line-height: 1.0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
em { font-family: var(--font-serif); font-style: italic; letter-spacing: 0; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.accent { color: var(--accent); }

/* ---- Atmosphere canvas (sumi-e ink + particles) ---- */
#atmosphere {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
main, .nav, .foot { position: relative; z-index: 1; }

/* ---- Layout primitives ---- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---- Buttons ---- */
.btn {
  --bg: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  height: 46px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background .28s var(--ease-cond), color .28s var(--ease-cond),
              border-color .28s var(--ease-cond), transform .28s var(--ease-cond);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.985); }
.btn--accent { --bg: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--accent:hover { box-shadow: 0 8px 28px var(--accent-tint); }
.btn--ghost { --bg: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--block { width: 100%; justify-content: center; height: 54px; }
.btn__arrow { transition: transform .3s var(--ease-cond); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* =====================  NAV  ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--gutter);
  z-index: 100;
  mix-blend-mode: normal;
  transition: background .4s var(--ease-cond), border-color .4s var(--ease-cond);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: color-mix(in oklab, var(--paper) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__logo {
  height: 21px;
  width: auto;
  display: block;
  transition: opacity .3s var(--ease-cond);
}
.nav__brand:hover .nav__logo { opacity: .75; }
.nav__mark {
  width: 13px; height: 13px;
  background: var(--accent);
  border-radius: 2px;
  transform: rotate(45deg);
  transition: transform .5s var(--ease-cond);
}
.nav__word {
  font-family: var(--font-wordmark);
  font-weight: 600;
  font-size: 18.5px;
  letter-spacing: -0.015em;
}
.nav__tm { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-40); align-self: flex-start; margin-top: 1px; }

.nav__links { display: flex; gap: clamp(14px, 2vw, 34px); }
.nav__links a {
  position: relative;
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink-70);
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  transition: color .25s var(--ease-cond);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease-cond);
}
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav__idx { font-family: var(--font-mono); font-size: 10px; color: var(--accent); }

.nav__right { display: flex; align-items: center; gap: var(--s-4); }

/* globe language switcher */
.nav__lang { position: relative; }
.nav__globe {
  appearance: none;
  display: grid;
  place-content: center;
  width: 38px; height: 38px;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: var(--ink-70);
  cursor: pointer;
  transition: color .25s var(--ease-cond), border-color .25s var(--ease-cond), transform .25s var(--ease-cond);
}
.nav__globe:hover { color: var(--ink); border-color: var(--line); }
.nav__lang.is-open .nav__globe { color: var(--ink); border-color: var(--ink); }
.nav__globe:active { transform: scale(.94); }
.nav__langmenu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 148px;
  padding: 6px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: 0 14px 44px rgba(18,17,16,.12);
  display: flex;
  flex-direction: column;
  gap: 1px;
  opacity: 0;
  filter: blur(calc(6px * var(--motion)));
  transform: translateY(calc(-6px * var(--motion)));
  pointer-events: none;
  transition: opacity .3s var(--ease-cond), filter .3s var(--ease-cond), transform .3s var(--ease-cond);
}
.nav__lang.is-open .nav__langmenu { opacity: 1; filter: none; transform: none; pointer-events: auto; }
.nav__langmenu button, .nav__langmenu a {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-70);
  text-align: left;
  padding: 9px 11px;
  border-radius: var(--r-2);
  cursor: pointer;
  transition: background .2s var(--ease-cond), color .2s var(--ease-cond);
}
.nav__langmenu button:nth-child(2), .nav__langmenu a:nth-child(2), .nav__langmenu button:nth-child(3), .nav__langmenu a:nth-child(3) { font-family: var(--font-jp); }
.nav__langmenu button:hover, .nav__langmenu a:hover { background: rgba(18,17,16,.05); color: var(--ink); }
.nav__langmenu button.is-active, .nav__langmenu a.is-active { color: var(--ink); }
.nav__langmenu button.is-active::after, .nav__langmenu a.is-active::after {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.nav__cta { height: 40px; padding: 0 18px; }

@media (max-width: 1080px) {
  .nav__links { display: none; }
}
@media (max-width: 720px) {
  .nav__cta { height: 34px; padding: 0 14px; font-size: 12px; }
  :root { --nav-h: 60px; }
}

/* =====================  HERO  ===================== */
.hero { position: relative; height: 320vh; }
.hero__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
}

/* materializing UI stage */
.hero__stage {
  position: absolute;
  top: 50%;
  right: clamp(20px, 5vw, 96px);
  transform: translateY(-50%);
  width: min(56vw, 760px);
  height: min(74vh, 660px);
}
#hero-canvas { width: 100%; height: 100%; display: block; }
.hero__jp {
  position: absolute;
  top: 8px; right: -30px;
  writing-mode: vertical-rl;
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--ink-40);
}

/* editorial type */
.hero__type {
  position: relative;
  z-index: 2;
  padding-left: var(--gutter);
  max-width: 760px;
  pointer-events: none;
}
.hero__eyebrow {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-55);
  margin-bottom: clamp(16px, 2.4vh, 30px);
}
.hero__eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

.hero__display {
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-mega);
  line-height: 0.92;
  letter-spacing: -0.035em;
  height: 1em;
}
.hero__word {
  position: absolute;
  top: 0; left: 0;
  white-space: nowrap;
  will-change: opacity, filter, transform;
}
.hero__word--b { color: var(--accent); opacity: 0; filter: blur(14px); }

.hero__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  font-size: var(--fs-lead);
  color: var(--ink-70);
  margin-top: clamp(14px, 2.2vh, 26px);
  max-width: 36ch;
  line-height: 1.3;
}
.hero__sub {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  color: var(--ink-55);
  margin-top: 10px;
  letter-spacing: -0.005em;
}
.hero__sub .x { color: var(--accent); font-weight: 600; }
.hero__sub b { color: var(--ink); font-weight: 600; }

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(20px, 4vh, 44px);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 3;
}
.hero__scroll-label, .hero__phase, .hero__pval {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-55);
}
.hero__pval { color: var(--ink-40); text-transform: none; min-width: 52px; font-variant-numeric: tabular-nums; }
.hero__phase { color: var(--accent); min-width: 92px; }
.hero__progress { width: 160px; height: 2px; background: var(--line); position: relative; overflow: hidden; }
.hero__progress i { position: absolute; inset: 0; width: 0%; background: var(--accent); transition: width .12s linear; }

@media (max-width: 1080px) {
  .hero { height: 300vh; }
  .hero__sticky { display: block; }
  .hero__stage {
    position: absolute; top: 46%; left: 50%; right: auto;
    transform: translate(-50%,-50%);
    width: min(86vw, 540px); height: min(56vh, 520px);
    opacity: .9;
  }
  .hero__type {
    position: absolute; top: 13%; left: 0; right: 0;
    padding-inline: var(--gutter); max-width: none; text-align: left;
  }
  .hero__tagline { font-size: 16px; max-width: none; }
}
@media (max-width: 560px) {
  .hero__stage { top: 52%; height: min(48vh, 420px); }
  .hero__sub { display: none; }
  .hero__scroll { gap: 10px; right: var(--gutter); }
  .hero__progress { width: 56px; flex: 1; }
  .hero__phase { min-width: 0; white-space: nowrap; }
  .hero__pval { display: none; }
  .hero__scroll-label { display: none; }
  .hero__jp { display: none; }
}

/* locale links in the globe menu */
.nav__langmenu a { text-decoration: none; }

/* a11y: small accent text uses the AA-compliant deep variant */
.nav__idx { color: var(--accent-deep); }