/* ============================================================================
   AKARI — LANDING (coming-soon)
   ============================================================================ */

/* ---------- Layout grid ---------- */
.page {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

/* ---------- Ambient orbs (compositor-friendly, transform/opacity only) ---------- */
.orbs {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
  animation: orbFloat 22s ease-in-out infinite alternate;
}

.orb--indigo {
  width: 60vmin;
  height: 60vmin;
  top: -10vmin;
  left: -10vmin;
  background: radial-gradient(circle, var(--color-indigo) 0%, transparent 70%);
  animation-duration: 26s;
}

.orb--sakura {
  width: 50vmin;
  height: 50vmin;
  bottom: -15vmin;
  right: -10vmin;
  background: radial-gradient(circle, var(--color-sakura) 0%, transparent 70%);
  opacity: 0.35;
  animation-duration: 30s;
  animation-delay: -8s;
}

.orb--silver {
  width: 35vmin;
  height: 35vmin;
  top: 40%;
  left: 60%;
  background: radial-gradient(circle, var(--color-silver) 0%, transparent 70%);
  opacity: 0.15;
  animation-duration: 18s;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(8vw, -6vh, 0) scale(1.1); }
  100% { transform: translate3d(-4vw, 4vh, 0) scale(0.95); }
}

/* Subtle film grain (CSS-only) */
.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/></svg>");
  background-size: 200px 200px;
}

/* ---------- Header ---------- */
.site-header {
  position: relative;
  z-index: var(--z-overlay);
  padding-block: var(--space-6);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand__mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-family: var(--font-jp);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-sakura);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-shadow: 0 0 12px rgba(255, 93, 177, 0.6);
}

.brand__wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
}

.tag-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-silver-warm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.tag-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-sakura);
  box-shadow: 0 0 8px var(--color-sakura);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.3); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - 100px);
  min-height: calc(100svh - 100px);
  display: grid;
  align-content: center;
  padding-block: var(--space-16) var(--space-24);
}

.hero__kanji {
  position: absolute;
  font-family: var(--font-jp);
  font-size: clamp(20rem, 50vw, 38rem);
  font-weight: 700;
  color: var(--color-bg-elevated);
  opacity: 0.45;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  user-select: none;
  pointer-events: none;
  line-height: 0.8;
  z-index: -1;
  letter-spacing: -0.05em;
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  text-transform: uppercase;
  color: var(--color-silver);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__eyebrow::before,
.hero__eyebrow::after {
  content: '';
  flex: 0 0 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-silver));
}

.hero__eyebrow::after {
  background: linear-gradient(90deg, var(--color-silver), transparent);
}

.hero__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: var(--text-hero);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
  margin-bottom: var(--space-8);
  text-align: center;
  background: linear-gradient(180deg, var(--color-ink-strong) 0%, var(--color-silver) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__title .accent {
  font-style: italic;
  background: linear-gradient(135deg, var(--color-sakura) 0%, var(--color-indigo) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(255, 93, 177, 0.3));
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: var(--lh-snug);
  color: var(--color-ink);
  text-align: center;
  max-width: 32ch;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

/* ---------- Email capture form ---------- */
.waitlist {
  max-width: 520px;
  margin-inline: auto;
}

.waitlist__form {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
}

.waitlist__form:focus-within {
  border-color: var(--color-sakura);
  box-shadow: var(--glow-sakura);
}

.waitlist__input {
  flex: 1;
  padding: var(--space-3) var(--space-6);
  background: transparent;
  font-size: var(--text-base);
  color: var(--color-ink-strong);
}

.waitlist__input::placeholder {
  color: var(--color-ink-faint);
}

.waitlist__submit {
  padding: var(--space-3) var(--space-6);
  background: linear-gradient(135deg, var(--color-sakura) 0%, var(--color-indigo) 100%);
  color: var(--color-bg-deep);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  transition: transform var(--duration-fast) var(--ease-out-expo),
              filter var(--duration-fast) var(--ease-out-expo);
  white-space: nowrap;
}

.waitlist__submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.waitlist__submit:active {
  transform: translateY(0);
}

.waitlist__hint {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  text-align: center;
  letter-spacing: var(--tracking-wide);
}

.waitlist__feedback {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  text-align: center;
  min-height: 1.5em;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-expo);
}

.waitlist__feedback[data-state="success"] {
  opacity: 1;
  color: var(--color-sakura-soft);
}

.waitlist__feedback[data-state="error"] {
  opacity: 1;
  color: #ff6b6b;
}

/* ---------- Manifesto / features teaser ---------- */
.manifesto {
  padding-block: var(--space-section);
  position: relative;
}

.manifesto__intro {
  text-align: center;
  margin-bottom: var(--space-16);
}

.manifesto__eyebrow {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-extra);
  text-transform: uppercase;
  color: var(--color-sakura);
  margin-bottom: var(--space-4);
  display: block;
}

.manifesto__heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-strong);
  max-width: 22ch;
  margin-inline: auto;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.pillar {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
              transform var(--duration-normal) var(--ease-out-expo),
              background var(--duration-normal) var(--ease-out-expo);
  overflow: hidden;
}

.pillar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, var(--color-sakura) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-expo);
  pointer-events: none;
  mix-blend-mode: overlay;
}

.pillar:hover {
  border-color: var(--color-border-hi);
  transform: translateY(-4px);
  background: var(--color-surface-hi);
}

.pillar:hover::before {
  opacity: 0.15;
}

.pillar__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-2xl);
  color: var(--color-sakura);
  display: block;
  margin-bottom: var(--space-4);
  filter: drop-shadow(0 0 16px rgba(255, 93, 177, 0.4));
}

.pillar__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-ink-strong);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.pillar__body {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: var(--lh-base);
}

.pillar__tag {
  display: inline-block;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-silver);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-16) var(--space-12);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-section);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.site-footer__credit {
  font-family: var(--font-display);
  font-style: italic;
}

.site-footer__links {
  display: flex;
  gap: var(--space-6);
}

.site-footer__links a {
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.site-footer__links a:hover {
  color: var(--color-sakura-soft);
}

/* ---------- Reveal-on-scroll utility ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out-expo),
              transform 800ms var(--ease-out-expo);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive tuning ---------- */
@media (max-width: 640px) {
  .site-header__inner { gap: var(--space-3); }
  .brand__wordmark { font-size: 1.25rem; }
  .tag-status { padding: var(--space-1) var(--space-3); font-size: 0.625rem; }

  .waitlist__form { flex-direction: column; border-radius: var(--radius-lg); padding: var(--space-3); }
  .waitlist__input { padding: var(--space-3) var(--space-4); }
  .waitlist__submit { border-radius: var(--radius); padding: var(--space-3) var(--space-4); }

  .hero__kanji { font-size: clamp(16rem, 70vw, 24rem); opacity: 0.35; }

  .site-footer__inner { flex-direction: column; text-align: center; gap: var(--space-4); }
}

@media (prefers-reduced-motion: reduce) {
  .orb { animation: none; }
  .tag-status::before { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}