*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --play:    #4ECFED;
  --pause:   #5CB85C;
  --resolve: #E8738A;
  --text-column-max: 620px;
  --text-body-max: 520px;
  --label:   'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro', 'Noto Sans', Arial, sans-serif;
  --display: 'Khmer MN', Georgia, serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--label);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── grain ── */
.grain {
  pointer-events: none;
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  z-index: 100;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* ── corner label ── */
.corner-label {
  position: absolute;
  bottom: 2rem;
  right: 2.2rem;
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  opacity: 0.28;
}

/* ── reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ════════════════════════════════════
   1 — HERO
════════════════════════════════════ */
#hero {
  position: relative;
  height: 100vh;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
}

#hero img.logo {
  width: min(380px, 65vw);
  height: auto;
  display: block;
  mix-blend-mode: multiply;
  animation: fadeUp 1.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

#hero .corner-label { color: #000; }

/* scroll cue */
#hero::after {
  content: '';
  position: absolute;
  bottom: 2.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 36px;
  background: #000;
  opacity: 0.15;
  animation: fadeUp 1s 1s ease both, pulse 2s 2s ease-in-out infinite;
}

/* ════════════════════════════════════
   2 — WHAT
════════════════════════════════════ */
#what {
  position: relative;
  min-height: 100vh;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 8rem 12vw;
}

#what .text-block {
  width: min(100%, var(--text-column-max));
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

#what h2 {
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: normal;
  font-style: italic;
  line-height: 1.12;
  color: #000;
  max-width: var(--text-column-max);
}

#what p {
  font-family: var(--label);
  font-size: 15px;
  line-height: 1.85;
  color: #444;
  max-width: var(--text-body-max);
}


#what .corner-label { color: #000; }

.section-art {
  display: block;
  height: auto;
  object-fit: contain;
}

#what .what-art {
  width: min(34vw, 420px);
  flex: 0 0 auto;
}

/* ════════════════════════════════════
   3 — PILOT / MORE TO COME
════════════════════════════════════ */
#pilot {
  position: relative;
  min-height: 100vh;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3.5rem;
  padding: 8rem 12vw;
}

#pilot .pilot-art {
  width: min(42vw, 560px);
  flex: 0 0 auto;
  transform: translateX(1.2rem);
}

#pilot .pilot-content {
  width: min(100%, var(--text-column-max));
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

#pilot .pilot-label {
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: #3f3f3f;
}

#pilot h3 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: normal;
  font-style: italic;
  line-height: 1.12;
  color: #000;
  max-width: var(--text-column-max);
  text-wrap: balance;
}

#pilot p {
  font-family: var(--label);
  font-size: 15px;
  line-height: 1.85;
  color: #666;
  max-width: var(--text-body-max);
}

#pilot .token-play { color: var(--play); }
#pilot .token-pause { color: var(--pause); }
#pilot .token-resolve { color: var(--resolve); }

#pilot p.secondary-p {
  font-size: 13px;
  color: #999;
}

#pilot .corner-label { color: #000; }

/* ════════════════════════════════════
   4 — CONNECT
════════════════════════════════════ */
#connect {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 24%, #23201d 0%, #141210 60%, #0e0d0c 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 6rem 2rem;
}

#connect::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 44%, rgba(0,0,0,0.26) 100%);
  pointer-events: none;
}

.connect-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 5rem;
  width: min(100%, var(--text-column-max));
}

.connect-eyebrow {
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: rgba(255,255,255,0.62);
}

.email-link {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: normal;
  color: #f5f4f2;
  text-decoration: none;
  position: relative;
  transition: opacity 0.25s;
}

.email-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.36);
  transition: background 0.3s;
}

.email-link:hover { opacity: 0.7; }
.email-link:hover::after { background: rgba(255,255,255,0.62); }

.connect-note {
  font-family: var(--label);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255,255,255,0.28);
  text-align: center;
  max-width: 340px;
}

.org-details {
  position: relative;
  z-index: 2;
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.62);
  text-align: center;
  line-height: 2.2;
  text-transform: lowercase;
  width: min(100%, var(--text-body-max));
  margin-inline: auto;
}

.org-details strong {
  color: rgba(255,255,255,0.9);
  font-weight: normal;
  letter-spacing: 0.1em;
}

.dot-sep {
  opacity: 0.4;
  margin: 0 0.3em;
}

.accent-dots {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 7px;
  margin-top: 2.4rem;
}

.accent-dots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
}

#connect .corner-label { color: #fff; }

/* ════════════════════════════════════
   ANIMATIONS
════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.15; transform: translateX(-50%) scaleY(1); }
  50%       { opacity: 0.3;  transform: translateX(-50%) scaleY(1.3); }
}

/* ════════════════════════════════════
   MOBILE
════════════════════════════════════ */
@media (max-width: 600px) {
  #what, #pilot {
    padding: 6rem 8vw 7rem;
    min-height: auto;
    justify-content: flex-start;
  }

  #what {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }

  #what .what-art {
    width: min(72vw, 320px);
    align-self: center;
  }

  #pilot {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }

  #pilot .pilot-art {
    width: min(88vw, 460px);
    align-self: center;
    transform: translateX(0.6rem);
  }

  #what h2, #pilot h3 { font-size: 1.85rem; }

  .corner-label { bottom: 1.4rem; right: 1.4rem; }
}