/* =========================================================
   atelier — placeholder storefront
   two-column catalog: left category sidebar + right grid,
   full-bleed, library-first. near-black bg, silver/peach
   iridescent accents, glass, light-weight display type.
   original copy / own brand / self-contained visuals.
   ========================================================= */

:root{
  color-scheme:dark;
  --background:#060507;
  --surface-1:#0c0b10;
  --surface-2:#131218;
  --text-primary:#f5f4f7;
  --text-secondary:#a3a1ad;
  --text-muted:#6a6873;
  --border-soft:#ffffff14;
  --border-soft-2:#ffffff26;

  --accent-1:#e8eaef;
  --accent-2:#bcc0ca;
  --accent-premium:linear-gradient(90deg,#bcc0ca -1%,#feeae1 42%,#c0cef2 102%);
  --accent-secondary:linear-gradient(135deg,#ffb07a 0%,#ff7a4e 100%);
  --accent-warm:#ffa582;
  --accent-cool-glow:#5e80f066;
  --accent-warm-glow:#ffa58273;
  --heart-red:#ff4d6d;

  --glass-tint:#ffffff0b;
  --glass-tint-strong:#ffffff12;
  --glass-edge:#ffffff66;
  --glass-blur:18px;

  --radius-card:12px;
  --radius-control:8px;
  --radius-pill:999px;
  --radius-stage:24px;
  --header-height:4.75rem;
  --pad-x:clamp(1rem,2.4vw,2rem);
  --sidebar-w:196px;
  --readw:1180px;

  --font:"Helvetica Neue","Segoe UI","Inter","Hiragino Kaku Gothic ProN",
         "Yu Gothic","Noto Sans JP",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--background);color:var(--text-primary);
  line-height:1.7;letter-spacing:.005em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
::selection{background:#ffa58255;color:#fff}

.grain{position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- glass / border glow ---------- */
.glass{background:var(--glass-tint);position:relative;
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(150%);backdrop-filter:blur(var(--glass-blur)) saturate(150%)}
.border-glow{position:absolute;inset:0;border-radius:inherit;padding:1.5px;pointer-events:none;overflow:hidden;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  opacity:.5;transition:opacity .4s var(--ease)}
.border-glow-blob{position:absolute;top:50%;left:50%;width:150%;aspect-ratio:1;border-radius:50%;
  background:conic-gradient(from 0deg,transparent,#ffa582,#c0cef2,#feeae1,transparent 75%);
  transform:translate(-50%,-50%);animation:spin 6s linear infinite}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
:hover>.border-glow,.plan--featured .border-glow,.subscribe .border-glow{opacity:1}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:.5em;font-family:var(--font);
  font-size:.86rem;font-weight:500;letter-spacing:.01em;padding:.65em 1.2em;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;transition:.35s var(--ease);white-space:nowrap;background:none;color:inherit}
.btn--lg{font-size:.98rem;padding:.85em 1.6em}
.btn--block{width:100%;justify-content:center}
.btn__arrow{transition:transform .35s var(--ease)}
.btn:hover .btn__arrow{transform:translate(2px,-2px)}
.btn--solid{background:var(--accent-1);color:#0a0a0e;font-weight:600}
.btn--solid:hover{transform:translateY(-2px);box-shadow:0 16px 40px -14px #e8eaefaa}
.btn--ghost{border-color:var(--border-soft-2);color:var(--text-primary);background:#ffffff05}
.btn--ghost:hover{background:#ffffff0d;border-color:var(--glass-edge);transform:translateY(-2px)}
.btn--glow{background:var(--glass-tint-strong);color:var(--text-primary);font-weight:600;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn--glow .btn__label{position:relative;z-index:1}
.btn--glow:hover{transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{position:fixed;inset-inline:0;top:0;z-index:100;height:var(--header-height);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;
  padding:0 var(--pad-x);transition:.4s var(--ease)}
.site-header.is-stuck{background:#08070ac2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-soft)}
.logo{display:inline-flex;align-items:center;gap:.6rem;font-weight:500;justify-self:start}
.logo__mark{width:19px;height:19px;border-radius:6px;background:var(--accent-premium);flex:none;
  box-shadow:0 0 20px -2px #c0cef2aa;transform:rotate(6deg)}
.logo__name{font-size:1.16rem;letter-spacing:.02em}
.pill-nav{justify-self:center;display:flex;align-items:center;gap:.1rem;padding:.35rem;
  border-radius:var(--radius-pill);border:1px solid var(--border-soft)}
.pill-nav a{font-size:.85rem;color:var(--text-secondary);padding:.5em 1em;border-radius:var(--radius-pill);transition:.28s var(--ease)}
.pill-nav a:hover{color:var(--text-primary);background:#ffffff0d}
.header__cta{justify-self:end;display:flex;align-items:center;gap:.6rem}
.header__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.header__burger span{width:22px;height:2px;background:var(--text-primary);border-radius:2px}

/* ---------- shared ---------- */
.kicker{font-size:.72rem;letter-spacing:.28em;color:var(--text-muted);font-weight:600;text-transform:uppercase;margin-bottom:1rem}
.section-title{letter-spacing:-.03em;font-size:clamp(1.7rem,3.2vw,2.8rem);font-weight:300;line-height:1.12;color:#fff}
.section-title em{font-style:normal;background:var(--accent-premium);-webkit-background-clip:text;background-clip:text;color:transparent}
.pill{display:inline-flex;align-items:center;gap:.5em;font-size:.75rem;letter-spacing:.04em;color:var(--text-secondary);
  padding:.42em 1em;border:1px solid var(--border-soft);border-radius:var(--radius-pill);background:#ffffff05;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.pill__dot{width:6px;height:6px;border-radius:50%;background:var(--accent-warm);box-shadow:0 0 10px var(--accent-warm)}

/* ---------- LIBRARY ---------- */
.library{width:100%;padding:calc(var(--header-height) + 2rem) var(--pad-x) clamp(3rem,6vw,5rem)}
.library__topbar{margin-bottom:1.6rem}
.library__titlerow{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1rem}
.sort{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font);font-size:.84rem;color:var(--text-secondary);
  cursor:pointer;background:#ffffff05;border:1px solid var(--border-soft);border-radius:var(--radius-pill);padding:.55em 1.1em;transition:.28s var(--ease)}
.sort:hover{color:var(--text-primary);border-color:var(--border-soft-2)}
.sort svg{width:11px;height:11px}
.recent{display:flex;align-items:center;gap:1rem;margin-top:1.4rem;min-width:0}
.recent__label{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);white-space:nowrap;flex:none}
.recent__chips{display:flex;gap:.45rem;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.recent__chips::-webkit-scrollbar{display:none}
.recent-chip{display:inline-flex;align-items:center;gap:.4em;font-size:.78rem;color:var(--text-secondary);white-space:nowrap;
  background:#ffffff05;border:1px solid var(--border-soft);border-radius:var(--radius-pill);padding:.4em .9em;cursor:pointer;transition:.25s}
.recent-chip:hover{color:var(--text-primary);border-color:var(--border-soft-2)}
.recent-chip svg{width:12px;height:12px;opacity:.6}

/* two-column body */
.library__body{display:flex;flex-direction:column;gap:1.6rem}
@media(min-width:1024px){.library__body{flex-direction:row;align-items:flex-start;gap:2.5rem}}

/* sidebar */
.filter-sidebar{flex:none;display:flex;flex-direction:column;gap:.2rem}
@media(min-width:1024px){.filter-sidebar{width:var(--sidebar-w);position:sticky;top:calc(var(--header-height) + 1rem)}}
.filter-sidebar-title{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);font-weight:600;
  margin:.2rem 0 .6rem}
.filter-sidebar-title + .filter-sidebar-title,.cat + .filter-sidebar-title{margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--border-soft)}
.cat{display:flex;align-items:center;justify-content:space-between;gap:.6rem;width:100%;text-align:left;
  font-family:var(--font);font-size:.92rem;color:var(--text-secondary);cursor:pointer;background:none;border:0;
  padding:.5em .7em;border-radius:var(--radius-control);transition:.2s var(--ease)}
.cat:hover{color:var(--text-primary);background:#ffffff08}
.cat.is-active{color:var(--text-primary);background:#ffffff10;font-weight:600}
.cat__n{font-size:.8rem;color:var(--text-muted)}
.cat--fav{color:var(--text-secondary)}
.cat--fav .heart-icon{width:13px;height:13px;margin-right:.1em}

/* sidebar becomes horizontal scroll on small */
@media(max-width:1023px){
  .filter-sidebar{flex-direction:row;overflow-x:auto;gap:.5rem;scrollbar-width:none;padding-bottom:2px}
  .filter-sidebar::-webkit-scrollbar{display:none}
  .filter-sidebar-title{display:none}
  .cat{width:auto;white-space:nowrap;border:1px solid var(--border-soft);border-radius:var(--radius-pill);padding:.45em 1em}
  .cat.is-active{background:var(--accent-1);color:#0a0a0e}
  .cat.is-active .cat__n{color:#0a0a0e99}
}

/* main + grid */
.library__main{flex:1;min-width:0}
.grid{display:grid;grid-template-columns:1fr;gap:1rem}
@media(min-width:560px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1600px){.grid{grid-template-columns:repeat(4,1fr)}}

/* project card */
.project-card{position:relative;display:flex;flex-direction:column;cursor:pointer;
  opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.project-card.in{opacity:1;transform:none}
.card-thumb{position:relative;aspect-ratio:960/684;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--border-soft);transition:.45s var(--ease)}
.card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 52%,#060507b3)}
.card-thumb-img{position:absolute;inset:0;animation:drift 22s ease-in-out infinite alternate}
@keyframes drift{from{transform:scale(1.05) translate(-1%,-1%)}to{transform:scale(1.12) translate(1%,1%)}}
.card-grain{position:absolute;inset:0;opacity:.15;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.card-cat-label{position:absolute;left:0;right:0;bottom:1.1rem;z-index:1;text-align:center;
  font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:#ffffffcc;text-shadow:0 1px 12px #000}
.project-card:hover .card-thumb{border-color:var(--border-soft-2);transform:translateY(-4px);box-shadow:0 30px 60px -34px #000}
.card-new-badge{position:absolute;top:.7rem;left:.7rem;z-index:2;display:inline-flex;align-items:center;gap:.4em;
  font-size:.62rem;letter-spacing:.08em;color:#fff;padding:.3em .6em;border-radius:var(--radius-pill);
  background:#0a0a0eaa;border:1px solid var(--border-soft-2);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.card-new-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-warm);box-shadow:0 0 8px var(--accent-warm);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.4}}
.likes-pill{position:absolute;top:.6rem;right:.6rem;z-index:2;display:inline-flex;align-items:center;gap:.3em;
  font-size:.72rem;color:#fff;padding:.35em .6em;border-radius:var(--radius-pill);cursor:pointer;
  background:#0a0a0eaa;border:1px solid var(--border-soft-2);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:.25s}
.likes-pill:hover{border-color:var(--heart-red)}
.likes-pill .heart-icon{width:14px;height:14px;transition:.25s}
.likes-pill.liked{color:var(--heart-red)}
.likes-pill.liked .heart-icon{fill:var(--heart-red);stroke:var(--heart-red)}
.card-body{display:flex;flex-direction:column;gap:.55rem;padding:.85rem .3rem .2rem}
.card-titlerow{display:flex;align-items:center;gap:.5rem}
.card-arrow{color:var(--text-muted);display:inline-flex;transition:.35s var(--ease)}
.card-arrow svg{width:15px;height:15px}
.project-card:hover .card-arrow{color:var(--text-primary);transform:translate(2px,-2px)}
.card-title{font-size:1.04rem;font-weight:600;letter-spacing:-.02em;color:var(--text-primary);flex:1}
.tier-badge{font-size:.6rem;font-weight:600;letter-spacing:.06em;padding:.32em .65em;border-radius:var(--radius-pill);
  border:1px solid var(--border-soft);color:var(--text-secondary);white-space:nowrap}
.tier-badge--premium{border-color:transparent;color:#0a0a0e;background:var(--accent-premium)}
.tier-badge--fullstack{border-color:transparent;color:#0a0a0e;background:var(--accent-secondary)}
.card-cat-chip{align-self:flex-start;font-size:.68rem;color:var(--text-muted);
  background:#ffffff05;border:1px solid var(--border-soft);border-radius:var(--radius-pill);padding:.28em .8em}

/* CTA tile */
.cta-tile{position:relative;display:flex;flex-direction:column;justify-content:flex-end;gap:.8rem;
  min-height:100%;border-radius:var(--radius-card);border:1px solid var(--border-soft);padding:1.5rem;overflow:hidden;
  background:var(--surface-1);opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.cta-tile.in{opacity:1;transform:none}
.cta-tile__glow{position:absolute;inset:auto -20% -40% -20%;height:80%;filter:blur(30px);opacity:.55;pointer-events:none}
.cta-tile--warm .cta-tile__glow{background:radial-gradient(50% 60% at 50% 100%,var(--accent-warm-glow),transparent 70%)}
.cta-tile--cool .cta-tile__glow{background:radial-gradient(50% 60% at 50% 100%,var(--accent-cool-glow),transparent 70%)}
.cta-tile__kicker{position:relative;font-size:.66rem;letter-spacing:.16em;color:var(--text-muted);text-transform:uppercase}
.cta-tile__title{position:relative;font-size:1.35rem;font-weight:300;letter-spacing:-.02em;line-height:1.25;color:#fff}
.cta-tile__btn{position:relative;align-self:flex-start}

/* ---------- pricing ---------- */
.pricing{width:100%;padding:clamp(3rem,6vw,5.5rem) var(--pad-x)}
.pricing__inner{max-width:var(--readw);margin:0 auto}
.pricing__head{max-width:640px;margin-bottom:2.6rem}
.pricing__lead{margin-top:1.1rem;color:var(--text-secondary)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;align-items:start}
.plan{position:relative;border:1px solid var(--border-soft);border-radius:var(--radius-stage);padding:2rem 1.8rem;background:var(--surface-1)}
.plan--featured{background:var(--surface-2);transform:translateY(-8px);box-shadow:0 40px 90px -50px #c0cef255}
.plan__flag{position:absolute;top:-.8rem;left:1.8rem;font-size:.66rem;font-weight:700;letter-spacing:.08em;
  padding:.32em .9em;border-radius:var(--radius-pill);background:var(--accent-premium);color:#0a0a0e}
.plan__name{font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-secondary);font-weight:600}
.plan__price{font-size:2.7rem;font-weight:300;letter-spacing:-.03em;margin:.5rem 0 .1rem}
.plan__price span{font-size:.9rem;color:var(--text-muted);margin-left:.3em;letter-spacing:0}
.plan__note{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.4rem}
.plan__list{list-style:none;display:flex;flex-direction:column;gap:.7rem;margin-bottom:1.8rem}
.plan__list li{position:relative;padding-left:1.5em;color:var(--text-secondary);font-size:.9rem}
.plan__list li b{color:var(--text-primary)}
.plan__list li::before{content:"";position:absolute;left:0;top:.5em;width:7px;height:7px;border-radius:50%;background:var(--accent-premium)}
.pricing__fine{text-align:center;color:var(--text-muted);font-size:.78rem;margin-top:1.8rem}

/* ---------- footer ---------- */
.site-footer{width:100%;padding:clamp(2.5rem,5vw,4.5rem) var(--pad-x) 2rem}
.footer__inner{max-width:var(--readw);margin:0 auto}
.subscribe{position:relative;text-align:center;border-radius:var(--radius-stage);border:1px solid var(--border-soft);
  padding:clamp(2.2rem,5vw,3.6rem);overflow:hidden;margin-bottom:3.5rem}
.subscribe-title{font-size:clamp(1.5rem,3.4vw,2.4rem);font-weight:300;letter-spacing:-.02em;line-height:1.2;color:#fff;margin-top:.3rem}
.subscribe__lead{color:var(--text-secondary);margin-top:.9rem}
.subscribe__form{display:flex;gap:.6rem;max-width:440px;margin:1.8rem auto 0}
.subscribe__form input{flex:1;background:#ffffff08;border:1px solid var(--border-soft-2);border-radius:var(--radius-pill);
  padding:.85em 1.3em;color:var(--text-primary);font-family:var(--font);font-size:.92rem;outline:none;transition:.3s}
.subscribe__form input:focus{border-color:var(--accent-warm);background:#ffa5820f}
.subscribe__form input::placeholder{color:var(--text-muted)}
.subscribe__fine{color:var(--text-muted);font-size:.76rem;margin-top:1rem}
.footer__grid{display:flex;justify-content:space-between;gap:2.5rem;flex-wrap:wrap}
.footer__brand{max-width:280px}
.footer__brand .logo__mark{display:inline-block;vertical-align:middle;margin-right:.5rem}
.footer__brand .logo__name{font-size:1.2rem}
.footer__brand p{color:var(--text-muted);font-size:.85rem;margin-top:.9rem}
.footer__grid h4{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin-bottom:1rem;font-weight:600}
.footer__grid nav a{display:block;color:var(--text-secondary);font-size:.86rem;padding:.26em 0;transition:.25s}
.footer__grid nav a:hover{color:var(--text-primary)}
.footer__bar{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:3rem;padding-top:1.5rem;
  border-top:1px solid var(--border-soft);color:var(--text-muted);font-size:.78rem}
.footer__staging{color:var(--accent-warm);opacity:.8}

/* ---------- entrance ---------- */
.anim{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.anim[data-anim="1"]{transition-delay:.08s}
.anim[data-anim="2"]{transition-delay:.16s}
.anim.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .plans{grid-template-columns:1fr}
  .pill-nav{display:none}
  .plan--featured{transform:none}
}
@media(max-width:600px){
  .header__burger{display:flex}
  .header__signin,.header__cta .btn--glow{display:none}
  .library__titlerow{flex-wrap:wrap}
  .subscribe__form{flex-direction:column}
  .footer__grid{flex-direction:column;gap:1.8rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .anim,.project-card,.cta-tile{opacity:1!important;transform:none!important}
}