/* =========================================================
   Cradle Project — Home (index.html) only
   Refinement layer on top of styles.css
   Loaded AFTER styles.css. Scoped to top-page classes (hx-*)
   so other pages are untouched.
   ========================================================= */

:root{
  --hx-display: "Fraunces", "Zen Old Mincho", Georgia, serif;
  --hx-head: "Zen Kaku Gothic New", "Zen Maru Gothic", system-ui, sans-serif;

  /* atmosphere */
  --hx-pink: var(--brand-pink, #EF7D95);
  --hx-cyan: var(--brand-cyan, #68C5DB);
  --hx-violet: #9D8BE0;

  --hx-reveal-y: 26px;
}

/* Smooth anchor scroll + offset for fixed header */
html{ scroll-behavior: smooth; }
:target{ scroll-margin-top: calc(var(--header-h) + 18px); }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

/* =========================================================
   Atmosphere: fixed aurora mesh + grain
   ========================================================= */
.hx-atmos{
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
}
/* Static gradient blobs: painted once, then just composited (cheap).
   No infinite animation — that was the main source of jank. */
.hx-atmos::before,
.hx-atmos::after{
  content:"";
  position:absolute;
  width: 58vmax;
  height: 58vmax;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .5;
}
.hx-atmos::before{
  top: -16vmax; left: -10vmax;
  background: radial-gradient(circle at 50% 50%,
    color-mix(in srgb, var(--hx-cyan) 70%, transparent), transparent 68%);
}
.hx-atmos::after{
  bottom: -20vmax; right: -12vmax;
  background: radial-gradient(circle at 50% 50%,
    color-mix(in srgb, var(--hx-pink) 70%, transparent), transparent 68%);
}
/* third blob via inner element */
.hx-atmos i{
  position:absolute;
  top: 30%; left: 55%;
  width: 40vmax; height: 40vmax;
  border-radius:50%;
  filter: blur(80px);
  opacity:.4;
  background: radial-gradient(circle at 50% 50%,
    color-mix(in srgb, var(--hx-violet) 70%, transparent), transparent 70%);
}

/* fine grain overlay for texture (static, no blend mode = cheap) */
.hx-grain{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events:none;
  opacity:.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark){
  .hx-atmos::before,.hx-atmos::after{ opacity:.38; }
  .hx-atmos i{ opacity:.3; }
  .hx-grain{ opacity:.06; }
}

/* =========================================================
   Header refinement (markup reused, class added by home.js)
   ========================================================= */
.header{ transition: background .35s var(--ease), box-shadow .35s var(--ease), backdrop-filter .35s var(--ease); }
.header.hx-scrolled{
  background: color-mix(in srgb, var(--paper) 98%, transparent);
  box-shadow: 0 8px 30px rgba(11,16,36,.06);
}
@media (prefers-color-scheme: dark){
  .header.hx-scrolled{ box-shadow: 0 8px 30px rgba(0,0,0,.4); }
}
.nav a{ position: relative; }
.nav a::after{
  content:"";
  position:absolute;
  left: 10px; right: 10px; bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--hx-cyan), var(--hx-pink));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover::after{ transform: scaleX(1); }

/* =========================================================
   HERO
   ========================================================= */
.hx-hero{
  position: relative;
  padding: clamp(40px, 8vw, 96px) 0 clamp(48px, 7vw, 90px);
  overflow: hidden;
  isolation: isolate;
}
.hx-hero-inner{
  position: relative;
  text-align: center;
  display: grid;
  justify-items: center;
}

/* drifting light particles (feathers) */
.hx-particles{
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  overflow:hidden;
}
.hx-particles span{
  position:absolute;
  display:block;
  width: 10px; height:10px;
  border-radius: 50% 50% 50% 0;
  background: linear-gradient(135deg, color-mix(in srgb,var(--hx-cyan) 80%,white), color-mix(in srgb,var(--hx-pink) 70%,white));
  opacity:.5;
  filter: blur(.4px);
  animation: hxFloat 14s linear infinite;
}
.hx-particles span:nth-child(1){ left:8%;  top:70%; transform:scale(.7);  animation-duration: 17s; animation-delay:-2s; }
.hx-particles span:nth-child(2){ left:22%; top:85%; transform:scale(1.1); animation-duration: 21s; animation-delay:-7s; }
.hx-particles span:nth-child(3){ left:42%; top:78%; transform:scale(.5);  animation-duration: 15s; animation-delay:-4s; }
.hx-particles span:nth-child(4){ left:63%; top:88%; transform:scale(.9);  animation-duration: 23s; animation-delay:-11s; }
.hx-particles span:nth-child(5){ left:78%; top:72%; transform:scale(.65); animation-duration: 19s; animation-delay:-1s; }
.hx-particles span:nth-child(6){ left:90%; top:82%; transform:scale(1);   animation-duration: 25s; animation-delay:-9s; }
@keyframes hxFloat{
  0%   { transform: translateY(0) rotate(0deg); opacity:0; }
  10%  { opacity:.6; }
  90%  { opacity:.5; }
  100% { transform: translateY(-78vh) rotate(220deg); opacity:0; }
}
@media (prefers-reduced-motion: reduce){ .hx-particles{ display:none; } }

.hx-hero-kicker{
  font-family: var(--hx-display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: clamp(12px, 1.4vw, 15px);
  color: var(--muted);
  display:inline-flex;
  align-items:center;
  gap: 12px;
  margin: 0 0 22px;
  margin-top: 40px;
}
.hx-hero-kicker::before,
.hx-hero-kicker::after{
  content:"";
  width: clamp(26px, 6vw, 60px);
  height:1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--hx-pink) 60%, transparent));
}
.hx-hero-kicker::before{ background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--hx-cyan) 60%, transparent)); }

.hx-hero-logo{
  width: min(420px, 78%);
  margin: 0 auto clamp(20px, 3vw, 30px);
  filter: drop-shadow(0 18px 40px color-mix(in srgb, var(--hx-cyan) 22%, transparent));
  animation: hxLogoFloat 6s ease-in-out infinite;
}
@keyframes hxLogoFloat{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-9px); }
}
@media (prefers-reduced-motion: reduce){ .hx-hero-logo{ animation:none; } }

.hx-hero-title{
  font-family: var(--hx-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 64px);
  line-height: 1.22;
  letter-spacing: .05em;
  margin: 0 0 22px;
  color: var(--ink-0);
}
.hx-grad{
  background: linear-gradient(100deg, var(--hx-cyan), var(--hx-violet) 45%, var(--hx-pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hx-hero-lead{
  max-width: 50ch;
  margin: 0 auto;
  color: var(--ink-1);
  line-height: 2.1;
  font-size: clamp(14px, 1.5vw, 16px);
}
.hx-hero-actions{
  margin-top: 30px;
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
  justify-content:center;
}

/* Buttons: refine the primary into a confident pill */
.hx-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 14px 26px;
  border-radius: 999px;
  border:1px solid var(--stroke-strong);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  color: var(--ink-0);
  font-family: var(--hx-head);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.hx-btn:hover{ transform: translateY(-2px); }
.hx-btn--primary{
  border-color: transparent;
  color: #fff;
  background: linear-gradient(120deg, var(--hx-cyan), var(--hx-violet) 55%, var(--hx-pink));
  box-shadow: 0 14px 34px color-mix(in srgb, var(--hx-pink) 28%, transparent);
}
.hx-btn--primary:hover{ box-shadow: 0 18px 44px color-mix(in srgb, var(--hx-pink) 38%, transparent); }
.hx-btn--ghost{ background:transparent; border-color: var(--stroke-strong); }

/* scroll cue */
.hx-scrollcue{
  margin-top: clamp(34px, 6vw, 58px);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  color: var(--muted);
  font-family: var(--hx-display);
  font-style: italic;
  letter-spacing:.22em;
  font-size: 11px;
  text-transform: uppercase;
}
.hx-scrollcue .line{
  width:1px; height: 42px;
  background: linear-gradient(var(--muted), transparent);
  position: relative;
  overflow:hidden;
}
.hx-scrollcue .line::after{
  content:"";
  position:absolute; left:0; top:-50%;
  width:100%; height:50%;
  background: linear-gradient(var(--hx-pink), transparent);
  animation: hxScroll 1.8s var(--ease) infinite;
}
@keyframes hxScroll{ 0%{ transform: translateY(0); } 100%{ transform: translateY(200%); } }
@media (prefers-reduced-motion: reduce){ .hx-scrollcue .line::after{ animation:none; } }

/* =========================================================
   Section header (index number + EN + JP)
   ========================================================= */
.hx-section{ padding: clamp(64px, 9vw, 118px) 0; position:relative; }
.hx-head{
  display:flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 26px);
  margin-bottom: clamp(28px, 4vw, 48px);
}
.hx-head-index{
  font-family: var(--hx-display);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--hx-cyan) 55%, var(--muted));
  background: linear-gradient(180deg, var(--hx-cyan), var(--hx-pink));
  -webkit-background-clip: text;
  background-clip: text;
}
.hx-head-titles{ display:flex; flex-direction:column; gap:4px; }
.hx-head-en{
  margin:0;
  font-family: var(--hx-display);
  font-weight: 500;
  font-size: clamp(24px, 3.4vw, 42px);
  letter-spacing: .04em;
  line-height: 1.05;
  color: var(--ink-0);
}
.hx-head-jp{
  margin:0;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--muted);
}
.hx-head-rule{
  flex:1;
  height:1px;
  align-self:center;
  background: linear-gradient(90deg, var(--stroke-strong), transparent);
  min-width: 30px;
}

/* =========================================================
   MEMBERS — enhance existing cards
   ========================================================= */
.members-grid{ gap: clamp(14px, 2vw, 22px); }
.member-card{
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.member-card:hover{ transform: translateY(-6px); }
.member-card .member-media img{ transition: transform .6s var(--ease); }
.member-card:hover .member-media img{ transform: scale(1.04); }
/* corner index per card */
.member-card{ counter-increment: hxmember; }
.member-head h3{ font-family: var(--hx-head); }
.hx-members-note{
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing:.04em;
}

/* =========================================================
   CONCEPT — editorial quote
   ========================================================= */
.hx-concept{
  position:relative;
  border-radius: var(--r-xl);
  padding: clamp(28px, 5vw, 64px) clamp(22px, 5vw, 72px);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--hx-pink) 7%, var(--glass)),
      color-mix(in srgb, var(--hx-cyan) 6%, var(--glass)));
  border:1px solid color-mix(in srgb, var(--hx-pink) 16%, var(--stroke));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hx-concept::before{
  content:"";
  position:absolute;
  top: -.18em; left: .1em;
  font-family: var(--hx-display);
  font-size: clamp(120px, 22vw, 280px);
  line-height:1;
  color: color-mix(in srgb, var(--hx-pink) 16%, transparent);
  pointer-events:none;
}
.hx-concept blockquote{
  position:relative;
  margin:0;
  white-space: pre-line;
  line-height: 2.25;
  font-size: clamp(14px, 1.6vw, 17px);
  letter-spacing: .04em;
  color: var(--ink-0);
}
.hx-concept .hx-sig{
  position:relative;
  margin-top: 24px;
  text-align:right;
  font-family: var(--hx-display);
  font-style: italic;
  letter-spacing:.08em;
  font-size: clamp(14px, 1.6vw, 18px);
  color: var(--ink-1);
}

/* =========================================================
   CONTENTS — numbered feature cards
   ========================================================= */
.hx-contents{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 22px);
}
@media (max-width: 860px){ .hx-contents{ grid-template-columns: 1fr; } }
.hx-content-card{
  position:relative;
  border-radius: var(--r-lg);
  padding: clamp(24px, 3vw, 36px) clamp(22px, 2.6vw, 30px) clamp(28px, 3vw, 38px);
  background: var(--glass);
  border:1px solid var(--stroke);
  box-shadow: var(--shadow-soft);
  overflow:hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.hx-content-card::before{
  content:"";
  position:absolute;
  left:0; top:0; bottom:0;
  width: 3px;
  background: linear-gradient(180deg, var(--hx-cyan), var(--hx-pink));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.hx-content-card:hover{
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--hx-cyan) 30%, var(--stroke));
  box-shadow: var(--shadow);
}
.hx-content-card:hover::before{ transform: scaleY(1); }
.hx-content-no{
  font-family: var(--hx-display);
  font-weight: 300;
  font-size: clamp(30px, 4vw, 46px);
  line-height:1;
  color: color-mix(in srgb, var(--hx-cyan) 55%, var(--muted));
}
.hx-content-card h3{
  margin: 14px 0 10px;
  font-family: var(--hx-head);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .12em;
  color: var(--ink-0);
}
.hx-content-card p{
  margin:0;
  color: var(--ink-1);
  line-height: 1.95;
  font-size: 14px;
}

/* =========================================================
   AUDITION banner — feature gradient card
   ========================================================= */
.hx-audition{
  position:relative;
  overflow:hidden;
  border-radius: var(--r-xl);
  padding: clamp(30px, 5vw, 56px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 28px;
  flex-wrap:wrap;
  color:#fff;
  background: linear-gradient(120deg, var(--hx-cyan), var(--hx-violet) 52%, var(--hx-pink));
  box-shadow: 0 24px 60px color-mix(in srgb, var(--hx-violet) 30%, transparent);
}
.hx-audition::after{
  content:"";
  position:absolute;
  inset:0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity:.12;
  pointer-events:none;
}
.hx-audition-copy{ position:relative; z-index:1; }
.hx-audition-copy .meta{
  color: rgba(255,255,255,.85);
  font-family: var(--hx-display);
  font-style: italic;
  letter-spacing:.18em;
  margin-bottom: 12px;
}
.hx-audition-copy h2{
  margin:0 0 10px;
  font-family: var(--hx-head);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: .04em;
}
.hx-audition-copy p{ margin:0; color: rgba(255,255,255,.9); line-height:1.9; font-size:14px; }
.hx-audition-actions{ position:relative; z-index:1; display:flex; gap:12px; flex-wrap:wrap; }
.hx-audition .hx-btn{
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.4);
  color:#fff;
  backdrop-filter: blur(4px);
}
.hx-audition .hx-btn--primary{
  background:#fff;
  color: var(--ink-0);
  border-color:#fff;
  animation:none;
}

/* =========================================================
   NEWS — refine list + header alignment
   ========================================================= */
.list-item{ transition: transform .25s var(--ease), border-color .3s var(--ease), background .3s var(--ease); }
.list-item:hover{ transform: translateX(4px); }
.list-item h4{ font-family: var(--hx-head); }
.hx-news-more{ margin-top: 24px; display:flex; }

/* =========================================================
   FOOTER refinement
   ========================================================= */
.footer{
  position:relative;
  padding-top: 48px;
  margin-top: 40px;
}
.footer::before{
  content:"";
  position:absolute;
  top:0; left:50%;
  transform: translateX(-50%);
  width: min(var(--container), calc(100% - var(--gutter)*2));
  height:1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb,var(--hx-cyan) 40%, transparent), color-mix(in srgb,var(--hx-pink) 40%, transparent), transparent);
}
.hx-footer-mark{
  font-family: var(--hx-display);
  font-style: italic;
  letter-spacing:.14em;
  font-size: clamp(18px, 2.4vw, 26px);
  color: var(--ink-1);
  margin-bottom: 14px;
}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal{
  opacity:0;
  transform: translateY(var(--hx-reveal-y));
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in{ opacity:1; transform: none; }
/* staggered children */
.reveal-stagger.is-in > *{ animation: hxRise .7s var(--ease) both; }
.reveal-stagger.is-in > *:nth-child(1){ animation-delay:.04s; }
.reveal-stagger.is-in > *:nth-child(2){ animation-delay:.12s; }
.reveal-stagger.is-in > *:nth-child(3){ animation-delay:.20s; }
.reveal-stagger.is-in > *:nth-child(4){ animation-delay:.28s; }
@keyframes hxRise{ from{ opacity:0; transform: translateY(var(--hx-reveal-y)); } to{ opacity:1; transform:none; } }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1 !important; transform:none !important; }
  .reveal-stagger.is-in > *{ animation:none !important; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 640px){
  .hx-head{ flex-wrap:wrap; }
  .hx-head-rule{ display:none; }
  .hx-audition{ flex-direction:column; align-items:flex-start; }
}