/* Story sections of landing A: pinned chaos-to-deck scene, horizontal journey, talk path and module bento. */

/* Pinned scenes: the section is tall, the inner block sticks; JS writes --p (0..1) on the section. */
.chaos { height: 260vh; background: var(--ink); --p: 0; }
.chaos-sticky, .journey-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: flex; align-items: center; }
.chaos-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.chaos-copy { position: relative; }
.chaos-copy .lead { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.chaos h2 { font-size: clamp(32px, 4vw, 56px); }
.chaos-states { display: grid; }
.chaos-state { grid-area: 1 / 1; }
.chaos-state[data-state='1'] { opacity: 0; transform: translateY(20px); }
.chaos.is-done .chaos-state[data-state='0'] { opacity: 0; transform: translateY(-20px); }
.chaos.is-done .chaos-state[data-state='1'] { opacity: 1; transform: none; color: var(--text-d); }
.chaos-field { position: relative; height: 560px; }
/* Each fragment starts scattered at (--x,--y)% with rotation --r and slides into the central stack as --p grows. */
.frag {
  --t: clamp(0, calc((var(--p) - var(--k) * 0.05) * 1.8), 1);
  position: absolute; left: 50%; top: 50%; width: 210px; padding: 14px; border-radius: 14px;
  background: #1a1a20; border: 1px solid var(--line-d2); color: var(--text-d2);
  box-shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.9);
  transform:
    translate(-50%, -50%)
    translate(calc(var(--x) * 1% * var(--mx, 3.4) * (1 - var(--t))), calc(var(--y) * 1% * var(--my, 3.6) * (1 - var(--t)) + var(--k) * -4px * var(--t)))
    rotate(calc(var(--r) * 1deg * (1 - var(--t)) + (var(--k) - 3) * 1.2deg * var(--t)))
    scale(calc(1 - var(--t) * 0.12));
  filter: saturate(calc(1 - var(--t))) blur(calc(var(--t) * var(--t) * 1px));
  opacity: calc(1 - var(--t) * 0.35);
  z-index: var(--k);
}
.frag .mono { font-size: 11px; display: block; margin-bottom: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.f-sheet { height: 70px; border-radius: 6px; background: repeating-linear-gradient(0deg, transparent 0 13px, rgba(255, 255, 255, 0.08) 13px 14px), repeating-linear-gradient(90deg, transparent 0 46px, rgba(255, 255, 255, 0.08) 46px 47px); background-color: rgba(34, 197, 94, 0.07); }
.f-mail { height: 70px; border-radius: 6px; background: linear-gradient(rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.14)) 0 6px / 70% 6px no-repeat, linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08)) 0 22px / 90% 5px no-repeat, linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08)) 0 34px / 80% 5px no-repeat, linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08)) 0 46px / 60% 5px no-repeat; }
.f-form { height: 70px; border-radius: 6px; background: linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)) 0 0 / 100% 18px no-repeat, linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)) 0 26px / 100% 18px no-repeat, linear-gradient(#3b82f6, #3b82f6) 0 52px / 40% 18px no-repeat; }
.f-chat { height: 70px; border-radius: 6px; background: radial-gradient(circle at 10px 12px, #8b5cf6 7px, transparent 8px), linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)) 24px 6px / 60% 12px no-repeat, radial-gradient(circle at 10px 46px, #f59e0b 7px, transparent 8px), linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)) 24px 40px / 75% 12px no-repeat; }
.f-crm { height: 70px; border-radius: 6px; background: linear-gradient(90deg, rgba(59, 130, 246, 0.25) 0 30%, transparent 0 34%, rgba(245, 158, 11, 0.25) 0 64%, transparent 0 68%, rgba(34, 197, 94, 0.25) 0); }
.f-site { height: 70px; border-radius: 6px; background: linear-gradient(rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.14)) 0 0 / 100% 12px no-repeat, linear-gradient(rgba(225, 29, 46, 0.35), rgba(225, 29, 46, 0.35)) 0 20px / 50% 30px no-repeat; }
.chaos-core {
  position: absolute; left: 50%; top: 50%; width: 260px; height: 160px; border-radius: 20px; z-index: 10;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  background: linear-gradient(135deg, #e11d2e, #ff6a3d 70%, #ffb052); color: #fff;
  box-shadow: 0 40px 100px -20px rgba(225, 29, 46, calc(var(--p) * 0.9));
  transform: translate(-50%, -50%) scale(calc(clamp(0, (var(--p) - 0.55) * 3, 1))) rotate(calc((1 - clamp(0, (var(--p) - 0.55) * 3, 1)) * -20deg));
}
.chaos-core .logo-mark { width: 52px; height: 52px; font-size: 18px; border-radius: 14px; background: #fff; color: var(--red); box-shadow: none; }

/* Journey: the track slides horizontally with --p. */
.journey { height: 420vh; background: linear-gradient(180deg, var(--ink), #140a0d); --p: 0; }
.journey-sticky { flex-direction: column; justify-content: center; align-items: stretch; gap: 48px; }
.journey-head { display: grid; gap: 0; }
.journey-rail { margin-top: 32px; height: 2px; background: var(--line-d); border-radius: 2px; overflow: hidden; }
.journey-rail span { display: block; height: 100%; background: var(--grad); transform-origin: 0; transform: scaleX(var(--p)); }
.journey-track {
  display: flex; gap: 24px; padding-left: max(var(--gut), calc((100vw - var(--wrap)) / 2 + var(--gut)));
  transform: translateX(calc(var(--p) * var(--shift, 0px) * -1)); will-change: transform;
}
.stage {
  flex: 0 0 380px; min-height: 360px; padding: 32px; border-radius: var(--r-lg); position: relative; overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)); border: 1px solid var(--line-d2);
  display: flex; flex-direction: column; gap: 14px;
}
.stage::before { content: ''; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(closest-side, rgba(225, 29, 46, 0.35), transparent); }
.stage-n { font: 800 84px/0.9 var(--font); letter-spacing: -0.06em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stage p { color: var(--text-d2); font-size: 15.5px; }
.tags { list-style: none; padding: 0; margin: auto 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font: 500 12px/1 var(--mono); padding: 8px 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.06); color: var(--text-d); }

/* Talk path */
.tp { position: relative; }
.tp-line { width: 100%; height: 120px; position: absolute; top: -8px; left: 0; overflow: visible; }
.tp-line path { fill: none; stroke: var(--red); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 1400; stroke-dashoffset: calc(1400 - var(--draw, 0) * 1400); vector-effect: non-scaling-stroke; }
.tp-steps { list-style: none; padding: 120px 0 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.tp-steps li { background: #fff; border: 1px solid var(--line-l); border-radius: var(--r); padding: 22px; box-shadow: 0 20px 40px -30px rgba(16, 16, 24, 0.35); }
.tp-steps b { display: block; font-size: 19px; margin: 12px 0 8px; letter-spacing: -0.01em; }
.tp-steps p { color: var(--text-l2); font-size: 14.5px; line-height: 1.5; }
.tp-dot { display: block; width: 14px; height: 14px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 6px rgba(225, 29, 46, 0.15); }

/* Modules bento */
.modules { padding-top: 0; }
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; grid-auto-flow: dense; }
.tile {
  background: #fff; border: 1px solid var(--line-l); border-radius: var(--r-lg); padding: 24px; position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 10px; transition: transform 0.35s var(--spring), box-shadow 0.35s var(--ease);
}
.tile:hover { transform: translateY(-6px) rotate(-0.4deg); box-shadow: 0 30px 60px -30px rgba(16, 16, 24, 0.35); }
.tile p { color: var(--text-l2); font-size: 14.5px; line-height: 1.5; }
.tile h3 { font-size: 19px; }
.t-wide { grid-column: span 2; }
.t-tall { grid-row: span 2; }
.t-dark { background: radial-gradient(120% 80% at 80% 0%, #3a0f16, var(--ink) 70%); color: var(--text-d); border-color: transparent; }
.t-dark p { color: var(--text-d2); }
.tile-art { height: 120px; border-radius: 14px; background: var(--paper); margin-bottom: 8px; position: relative; overflow: hidden; }
.t-tall .tile-art { height: 300px; }
.t-dark .tile-art { background: rgba(255, 255, 255, 0.05); }

.art-committee { display: flex; align-items: flex-end; gap: 10px; padding: 16px 20px; }
.art-committee span { flex: 1; height: calc(var(--s) * 100%); border-radius: 8px 8px 4px 4px; background: linear-gradient(180deg, var(--red-hot), var(--amber)); transform-origin: bottom; animation: bars 3.2s var(--ease) infinite alternate; }
.art-committee span:nth-child(2n) { animation-delay: -1.2s; background: linear-gradient(180deg, #2a2a33, #55555f); }
@keyframes bars { from { transform: scaleY(0.45); } }
.art-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 14px; }
.art-grid i { border-radius: 6px; background: #e9e6e0; }
.art-grid i.a { background: var(--red); animation: slotmove 4s var(--ease) infinite; }
.art-grid i.b { background: #1b1b21; animation: slotmove 4s var(--ease) infinite reverse; }
@keyframes slotmove { 0%, 30% { transform: none; } 50%, 80% { transform: translateX(calc(100% + 6px)); } }
.art-ticket span { position: absolute; left: 50%; top: 50%; width: 120px; height: 64px; border-radius: 10px; background: linear-gradient(135deg, #e11d2e, #ff8a3d); box-shadow: 0 10px 20px -8px rgba(225, 29, 46, 0.6); animation: fan 3.6s var(--ease) infinite alternate; }
.art-ticket span:nth-child(1) { --a: -14deg; --dx: -36px; background: #1b1b21; }
.art-ticket span:nth-child(2) { --a: 0deg; --dx: 0px; }
.art-ticket span:nth-child(3) { --a: 14deg; --dx: 36px; background: linear-gradient(135deg, #ffc35a, #ff8a3d); }
@keyframes fan { from { transform: translate(-50%, -50%); } to { transform: translate(calc(-50% + var(--dx)), -50%) rotate(var(--a)); } }
.art-cabinet { padding: 14px; display: grid; grid-template-columns: 40px 1fr; grid-template-rows: repeat(3, 1fr); gap: 8px; }
.art-cabinet b { grid-row: span 3; border-radius: 8px; background: #1b1b21; }
.art-cabinet i { border-radius: 6px; background: #fff; border: 1px solid var(--line-l); position: relative; overflow: hidden; }
.art-cabinet i::after { content: ''; position: absolute; left: 8px; top: 50%; width: 40%; height: 6px; margin-top: -3px; border-radius: 3px; background: #e9e6e0; }
.art-cabinet i:first-of-type { border-color: var(--red); }
.art-site { padding: 16px; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: 14px 1fr 60px; gap: 10px; }
.art-site b { grid-column: span 3; border-radius: 4px; background: rgba(255, 255, 255, 0.12); }
.art-site i { grid-column: span 3; border-radius: 10px; background: linear-gradient(135deg, var(--red), var(--amber)); animation: blockin 5s var(--ease) infinite; }
.art-site i.s { display: block; grid-column: span 1; background: rgba(255, 255, 255, 0.1); animation: blockin 5s var(--ease) infinite; }
.art-site i.s:nth-child(5) { animation-delay: 0.2s; }
.art-site i.s:nth-child(6) { animation-delay: 0.4s; }
@keyframes blockin { 0% { transform: translateY(20px); opacity: 0; } 15%, 85% { transform: none; opacity: 1; } 100% { opacity: 0; } }
.art-qr span { position: absolute; left: 50%; top: 50%; width: 80px; height: 80px; margin: -40px; border-radius: 8px; background-color: #fff; background-image: conic-gradient(#111 25%, transparent 0 50%, #111 0 75%, transparent 0); background-size: 16px 16px; box-shadow: inset 0 0 0 6px #fff, 0 0 0 1px var(--line-l); overflow: hidden; }
.art-qr span::after { content: ''; position: absolute; left: 0; right: 0; height: 3px; background: var(--red-hot); box-shadow: 0 0 14px var(--red-hot); animation: scan 2s ease-in-out infinite; }
.art-mail span { position: absolute; left: 20px; top: 50%; width: 52px; height: 36px; margin-top: -18px; border-radius: 6px; background: #fff; border: 1px solid var(--line-l); animation: fly 2.4s var(--ease) infinite; }
.art-mail span::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom right, transparent 48%, var(--line-l) 49% 51%, transparent 52%), linear-gradient(to bottom left, transparent 48%, var(--line-l) 49% 51%, transparent 52%); background-size: 100% 60%; background-repeat: no-repeat; }
.art-mail span:nth-child(2) { animation-delay: 0.8s; border-color: var(--red); }
.art-mail span:nth-child(3) { animation-delay: 1.6s; }
@keyframes fly { 0% { transform: translateX(0) scale(0.8); opacity: 0; } 20% { opacity: 1; } 100% { transform: translateX(220px) translateY(-30px) scale(1) rotate(8deg); opacity: 0; } }
.art-screen { background: #111 !important; padding: 14px; color: #fff; display: grid; gap: 8px; align-content: start; }
.art-screen b { font: 600 12px/1 var(--mono); color: var(--sun); }
.art-screen i { height: 24px; border-radius: 6px; background: rgba(255, 255, 255, 0.1); }
.art-screen i:first-of-type { background: linear-gradient(90deg, var(--red) 0 var(--now, 40%), rgba(255, 255, 255, 0.12) 0); animation: now 6s linear infinite; }
@property --now { syntax: '<percentage>'; inherits: false; initial-value: 0%; }
@keyframes now { from { --now: 0%; } to { --now: 100%; } }
.art-partners { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 14px; }
.art-partners i { border-radius: 8px; background: #fff; border: 1px solid var(--line-l); position: relative; }
.art-partners i::after { content: ''; position: absolute; inset: 30% 30%; border-radius: 4px; background: #d8d4cc; }
.art-partners i:first-child { grid-column: span 2; border-color: var(--red); }
.art-partners i:first-child::after { background: var(--red); inset: 30% 38%; }
.art-flow { display: flex; align-items: center; gap: 8px; padding: 0 16px; }
.art-flow span { font: 500 12px/1.2 var(--mono); padding: 10px 12px; border-radius: 10px; background: #fff; border: 1px solid var(--line-l); white-space: nowrap; }
.art-flow span:first-child { border-color: var(--red); color: var(--red); }
.art-flow i { flex: 1; height: 2px; min-width: 16px; background: repeating-linear-gradient(90deg, var(--red) 0 8px, transparent 8px 14px); background-size: 28px 2px; animation: dash 0.8s linear infinite; }
@keyframes dash { to { background-position: 28px 0; } }
.art-crm { display: flex; gap: 8px; padding: 14px; }
.art-crm i { flex: 1; border-radius: 8px; background: repeating-linear-gradient(0deg, transparent 0 8px, #fff 8px 30px, transparent 30px 34px); background-color: #ece9e3; }
.art-crm i:nth-child(2) { background-color: rgba(225, 29, 46, 0.12); }
.art-media span { position: absolute; inset: 16px; border-radius: 10px; background: linear-gradient(135deg, #1b1b21, #3a0f16); }
.art-media span::after { content: ''; position: absolute; left: 50%; top: 50%; margin: -14px 0 0 -10px; border-left: 24px solid #fff; border-top: 14px solid transparent; border-bottom: 14px solid transparent; animation: pulse 2s ease-in-out infinite; }

@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tp-steps { grid-template-columns: repeat(2, 1fr); padding-top: 20px; }
  .tp-line { display: none; }
  .chaos-grid { grid-template-columns: 1fr; gap: 16px; }
  .chaos-field { height: 52vh; }
}
@media (max-width: 720px) {
  .chaos { height: 220vh; }
  .chaos-sticky { align-items: flex-start; padding-top: 84px; }
  .chaos h2 { font-size: 30px; }
  .chaos .lead { font-size: 15.5px; margin-top: 14px; }
  .chaos-field { height: 46vh; }
  .frag { width: 150px; padding: 10px; --mx: 2.2; --my: 2.6; }
  .frag .f-sheet, .frag div { height: 44px; }
  .chaos-core { width: 200px; height: 120px; }
  /* Journey becomes a plain vertical list on phones: horizontal pinning is awkward with touch. */
  .journey { height: auto; padding: 90px 0; }
  .journey-sticky { position: static; height: auto; overflow: visible; gap: 28px; }
  .journey-rail { display: none; }
  .journey-track { flex-direction: column; padding: 0 var(--gut); transform: none !important; gap: 14px; }
  .stage { flex: none; min-height: 0; padding: 24px; }
  .stage-n { font-size: 56px; }
  .bento { grid-template-columns: 1fr; }
  .t-wide { grid-column: auto; }
  .t-tall { grid-row: auto; }
  .t-tall .tile-art { height: 160px; }
  .tp-steps { grid-template-columns: 1fr; }
}