/* Stratum — Hautarztpraxis Köln (demo of FIB Consulting). Built from Filip's references of 30. 10. 2026
   (docs/reference-design.md): grainy white ground, the name in particles with round views of the skin model orbiting
   it, the skin dissolving into a dot matrix, a dot that travels between menu items, a holographic appointment ticket.
   Plus Jakarta Sans for text, Gloock for large headings, Geist Mono for labels (all OFL, self-hosted). Light only. */
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-display:swap;font-weight:200 800;src:url(fonts/plus-jakarta-sans-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-display:swap;font-weight:200 800;src:url(fonts/plus-jakarta-sans-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Gloock";font-style:normal;font-display:swap;font-weight:400;src:url(fonts/gloock-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Gloock";font-style:normal;font-display:swap;font-weight:400;src:url(fonts/gloock-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Geist Mono";font-style:normal;font-display:swap;font-weight:100 900;src:url(fonts/geist-mono-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  color-scheme:light;
  --paper:#FBFBFA;
  --paper-2:#F2F3F1;
  --ink:#0B0F12;
  --ink-2:#4A5359;              /* 7.5:1 on paper */
  --ink-3:#646D73;              /* 5.2:1 on paper */
  --line:rgba(11,15,18,.1);
  --line-2:rgba(11,15,18,.2);
  --head:linear-gradient(95deg,#2F3BC4 0%,#7A4AB0 48%,#B0495F 100%);   /* Gloock headings (Datalands reference); every stop >= 4.5:1 */
  --iri:linear-gradient(100deg,#FF6A00,#FFD23F 20%,#FF2D87 42%,#8B5CFF 62%,#2B59FF 80%,#5CF2FF);
  --sans:"Plus Jakarta Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Gloock",Georgia,"Times New Roman",serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --maxw:1280px;
  --pad:max(16px,env(safe-area-inset-left,0px),3.2vw);
  --ease:cubic-bezier(.2,.7,.2,1);
  --kit-bar-bg:#0B0F12; --kit-focus:#2B59FF; --kit-accent:#0B0F12; --kit-font:var(--sans); --kit-line:var(--line);
  --kit-msg-bg:#EEF1FF; --kit-msg-fg:#141B4D;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
@media(min-width:1100px){body{font-size:17px}}
/* film grain over the page (Vercel reference: grainy but clean); decorative, never catches the pointer */
body::after{content:"";position:fixed;inset:-50%;z-index:70;pointer-events:none;opacity:.06;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 1.2 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}
a{color:inherit}
img,svg,video,canvas{max-width:100%;display:block}
::selection{background:#D9DEFF}
:focus-visible{outline:2px solid var(--kit-focus);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.muted{color:var(--ink-3)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
h1,h2,h3{font-weight:700;letter-spacing:-.03em;line-height:1.08;text-wrap:balance}
h2.serif,.serif{font-family:var(--serif);font-weight:400;letter-spacing:-.02em;line-height:1}
h2.serif{font-size:clamp(40px,5.4vw,80px);color:var(--ink)}
h1.serif{font-size:clamp(46px,6.2vw,96px);color:var(--ink)}
@supports (-webkit-background-clip:text) or (background-clip:text){
  h1.serif,h2.serif{background:var(--head);-webkit-background-clip:text;background-clip:text;color:transparent}
}
h3{font-size:clamp(18px,1.5vw,21px);letter-spacing:-.015em;line-height:1.3}
p{text-wrap:pretty}
.lead{font-size:clamp(17px,1.4vw,19.5px);line-height:1.6;color:var(--ink-2);max-width:34em}
.link{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em}
.link:hover{text-decoration-thickness:2px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 22px;border-radius:999px;border:0;cursor:pointer;
  font:600 15px/1.2 var(--sans);letter-spacing:-.005em;text-decoration:none;white-space:nowrap;transition:transform .25s var(--ease),background .25s}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.btn-line:hover{background:#fff;transform:translateY(-2px)}
.btn .arr{transition:transform .25s var(--ease)}.btn:hover .arr{transform:translateX(4px)}
.btn:disabled{opacity:.4;cursor:default;transform:none}

/* ---------- header with the travelling dot (CSS anchor filter dot reference) ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(251,251,250,.82);-webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);border-bottom:1px solid var(--line)}
.top-bar{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:flex;align-items:baseline;gap:12px;text-decoration:none;color:var(--ink)}
.brand b{font-size:20px;font-weight:700;letter-spacing:-.035em}
.brand span{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.menu{margin-left:auto;display:flex;align-items:center;gap:22px}
.menu ul{position:relative;display:flex;gap:26px;list-style:none}
.menu ul a{display:block;padding:8px 0 8px 14px;font-size:14.5px;font-weight:500;color:var(--ink-2);text-decoration:none;white-space:nowrap;transition:color .3s}
.menu ul a:hover,.menu ul a[aria-current]:not([href*="#"]){color:var(--ink)}
.nav-dot{position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--ink);opacity:0;
  transition:transform .55s cubic-bezier(.3,1.4,.4,1),opacity .3s}
.nav-dot.is-on{opacity:1}
.top-status{font:400 12px var(--mono);color:var(--ink-3);white-space:nowrap}
.status::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:8px;vertical-align:1px;border:1.5px solid currentColor}
.status[data-open="true"]::before{background:#1F7A55;border-color:#1F7A55}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;border-radius:12px;background:transparent;cursor:pointer;position:relative;color:var(--ink)}
.burger,.burger::before,.burger::after{position:absolute;left:13px;width:18px;height:1.8px;border-radius:2px;background:currentColor;transition:transform .3s var(--ease),opacity .2s}
.burger{top:21px}.burger::before,.burger::after{content:"";left:0}.burger::before{top:-6px}.burger::after{top:6px}
.menu-btn[aria-expanded="true"] .burger{background:transparent}
.menu-btn[aria-expanded="true"] .burger::before{transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .burger::after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:1560px){.top-status{display:none}}
@media(max-width:1120px){.brand span{display:none}.menu ul{gap:20px}}
@media(max-width:980px){
  .menu-btn{display:block}
  .menu{position:absolute;left:12px;right:12px;top:calc(100% + 8px);display:none;flex-direction:column;align-items:stretch;gap:12px;padding:16px;border-radius:18px;background:#fff;box-shadow:0 0 0 1px var(--line),0 24px 48px -24px rgba(11,15,18,.35)}
  .menu.is-open{display:flex}
  .menu ul{flex-direction:column;gap:0}.menu ul a{font-size:17px;padding:12px 8px}
  .nav-dot{display:none}
  .top-status{display:block;padding:0 8px}
  .brand span{display:none}
}

/* ---------- crumb ---------- */
.crumb{display:flex;gap:10px;font:400 12px var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);padding-top:26px}
.crumb a{color:var(--ink-2)}

/* ---------- hero: the name in particles, round views of the skin orbiting it (CHANEL + N233 references) ---------- */
.hero{position:relative;min-height:max(640px,calc(100svh - 110px));overflow:hidden;display:grid;place-items:center}
.orbit{position:absolute;inset:0;pointer-events:none}
.js .orbit{pointer-events:auto}
.orbit figure{position:absolute;left:0;top:0;border-radius:50%;overflow:hidden;will-change:transform;opacity:0;box-shadow:0 18px 40px -22px rgba(11,15,18,.45);transition:opacity .8s}
.orbit.is-on figure{opacity:1}
.orbit figure img{display:block;width:100%;height:100%}
.orbit figcaption{position:absolute;left:50%;bottom:-34px;transform:translateX(-50%);white-space:nowrap;font:500 10.5px var(--mono);letter-spacing:.05em;color:var(--ink);background:#fff;padding:3px 7px;border-radius:999px;box-shadow:0 0 0 1px var(--line);opacity:0;transition:opacity .25s}
.orbit figure{overflow:visible}.orbit figure img{border-radius:50%}
.orbit figure:hover figcaption{opacity:1}
.streak{position:absolute;left:0;top:0;width:46px;height:190px;border-radius:50%;filter:blur(16px);opacity:.8;will-change:transform;mix-blend-mode:multiply;pointer-events:none}
.hero-c{position:relative;z-index:20;width:min(780px,92vw);text-align:center;padding:48px 0}
.hero-c h1{font-size:clamp(64px,11vw,150px);letter-spacing:-.06em;line-height:.9;font-weight:700}
.js .hero-c h1 .word{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.hero-c canvas{display:none;width:100%;height:auto;margin:0 auto}
.js .hero-c canvas{display:block}
.hero-c h1 .sub{display:block;margin-top:12px;font-weight:500;line-height:1.4;letter-spacing:.1em}
.hero-act{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-c .lead{margin:20px auto 26px;max-width:31em}
.acts{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-foot{position:absolute;left:0;right:0;bottom:22px;z-index:21;display:flex;justify-content:space-between;font:400 12px var(--mono);color:var(--ink-3)}
@media(max-width:700px){.hero{min-height:auto;padding:24px 0 72px}.hero-c{padding:150px 0 140px}.hero-foot{display:none}}

/* ---------- sections ---------- */
.sec{padding:clamp(72px,10vw,140px) 0}
.sec-tint{background:var(--paper-2)}
.sec-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px 56px;align-items:end;margin-bottom:clamp(30px,4.5vw,56px)}
.sec-head p{color:var(--ink-2);max-width:32em}
@media(max-width:900px){.sec-head{grid-template-columns:1fr}}

/* the skin dissolving into a dot matrix (Vercel reference) */
.dissolve{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:40px;align-items:center}
.dissolve .lead{margin-top:20px}
.dissolve .meta{display:grid;gap:4px;margin-top:22px}
.dots{position:relative;margin:0}
.dots canvas{width:100%;height:auto;display:none;touch-action:pan-y}
.js .dots canvas{display:block}
.js .dots picture{display:none}
.dots figcaption{margin-top:12px}
@media(max-width:900px){.dissolve{grid-template-columns:1fr}}

/* treatments: a list with the round views as markers */
.tlist{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.tlist li{display:grid;grid-template-columns:auto 56px minmax(0,1fr);gap:18px;align-items:start;padding:24px 8px 26px 0;border-bottom:1px solid var(--line)}
.tlist li:nth-child(odd){padding-right:32px;border-right:1px solid var(--line)}
.tlist li:nth-child(even){padding-left:32px}
.tlist .n{font:400 12px var(--mono);color:var(--ink-3);padding-top:4px}
.tlist img{width:56px;height:56px;border-radius:50%;box-shadow:0 10px 24px -14px rgba(11,15,18,.45)}
.tlist h3{margin-bottom:4px}
.tlist p{font-size:15.5px;color:var(--ink-2)}
@media(max-width:820px){.tlist{grid-template-columns:1fr}.tlist li:nth-child(odd){padding-right:0;border-right:0}.tlist li:nth-child(even){padding-left:0}}

/* next free times */
.next{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.next a{display:grid;gap:2px;padding:16px 18px;border-radius:16px;background:#fff;box-shadow:0 0 0 1px var(--line);text-decoration:none;transition:box-shadow .25s,transform .25s var(--ease)}
.next a:hover{box-shadow:0 0 0 1px var(--ink);transform:translateY(-2px)}
.next b{font-weight:650}
.next span{font:400 13px var(--mono);color:var(--ink-3)}
@media(max-width:820px){.next{grid-template-columns:1fr}}

/* practice */
.prax{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 40px}
.prax h3{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.prax .big{font-size:24px;font-weight:700;letter-spacing:-.02em;text-decoration:none}
.prax .note{font-size:13.5px;color:var(--ink-3);margin-top:6px}
@media(max-width:900px){.prax{grid-template-columns:1fr}}

/* absence notice: like a sign on the door */
.notice{margin-top:22px}
.notice-in{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:16px 40px;padding:22px 26px;border-radius:18px;background:#fff;box-shadow:0 0 0 1px var(--line-2)}
.notice h2{font-size:clamp(19px,1.8vw,24px);letter-spacing:-.02em}
.notice p{margin-top:6px;color:var(--ink-2)}
.notice ul{list-style:none;display:grid;gap:6px;font-size:15px;color:var(--ink-2)}
.notice a{font-weight:650;color:var(--ink)}
@media(max-width:820px){.notice-in{grid-template-columns:1fr}}

/* ---------- booking ---------- */
.book{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px 44px;align-items:start}
.reasons{display:grid;gap:8px}
.reason{position:relative;display:block;cursor:pointer}
.reason input{position:absolute;opacity:0;inset:0}
.reason span{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:14px 16px;border-radius:14px;background:#fff;box-shadow:0 0 0 1px var(--line);transition:box-shadow .2s}
.reason b{font-weight:650}.reason small{grid-column:1;color:var(--ink-3);font-size:13.5px}.reason em{grid-row:1/3;grid-column:2;align-self:center;font:400 12.5px var(--mono);font-style:normal;color:var(--ink-2)}
.reason input:checked+span{box-shadow:0 0 0 2px var(--ink)}
.reason input:focus-visible+span{outline:2px solid var(--kit-focus);outline-offset:3px}
.panel{padding:20px;border-radius:20px;background:#fff;box-shadow:0 0 0 1px var(--line),0 30px 60px -40px rgba(11,15,18,.35)}
.cal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.cal-head h3{font-size:16px}
.cal-nav{display:flex;gap:6px}
.cal-nav button{width:40px;height:40px;border-radius:12px;border:0;background:var(--paper-2);cursor:pointer;font-size:17px}
.cal-nav button:disabled{opacity:.35;cursor:default}
.days{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.day h4{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-bottom:8px;text-align:center}
.day h4 b{display:block;font:600 15px var(--sans);text-transform:none;letter-spacing:0;color:var(--ink)}
.day ul{list-style:none;display:grid;gap:6px}
.slot{width:100%;min-height:40px;border:0;border-radius:10px;background:var(--paper-2);font:500 14px var(--mono);cursor:pointer;transition:background .2s,color .2s}
.slot:hover{background:#E6E8E5}
.slot[aria-pressed="true"]{background:var(--ink);color:#fff}
.day .off{font-size:12.5px;color:var(--ink-3);text-align:center;padding:8px 0}
.cal-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.cal-foot p{font-size:14px;color:var(--ink-2)}
.form{display:grid;gap:12px;margin-top:16px}
.field{display:grid;gap:5px}
.field label{font-weight:600;font-size:14.5px}
.field input{min-height:46px;padding:0 14px;border-radius:12px;border:1px solid #8A9298;background:#fff;font-size:16px}
.field input:focus{outline:2px solid var(--kit-focus);outline-offset:1px}
.hint,.form-note{font-size:13.5px;color:var(--ink-3)}
.phone-card{margin-top:14px;padding:18px 20px;border-radius:16px;box-shadow:0 0 0 1px var(--line);background:#fff}
.phone-card .big{font-size:22px;font-weight:700;letter-spacing:-.02em;text-decoration:none}
@media(max-width:900px){.book{grid-template-columns:minmax(0,1fr)}.days{grid-template-columns:repeat(5,minmax(120px,1fr));overflow-x:auto;padding-bottom:6px}}

/* holographic appointment ticket (holographic ticket reference): sheen follows the pointer, the stub tears off */
.ticket-wrap{margin-top:18px;perspective:1100px}
.ticket{--mx:.5;--my:.3;position:relative;display:grid;grid-template-columns:minmax(0,1fr) 120px;max-width:560px;border-radius:18px;color:#0B0F12;transform-style:preserve-3d;
  transform:rotateX(calc((var(--my) - .5) * -10deg)) rotateY(calc((var(--mx) - .5) * 14deg));transition:transform .15s linear;
  background:linear-gradient(115deg,#E8ECF5,#FFFFFF 40%,#EEE8F8);box-shadow:0 30px 60px -30px rgba(11,15,18,.5),0 0 0 1px rgba(11,15,18,.08)}
.ticket::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;mix-blend-mode:multiply;opacity:.55;
  background:linear-gradient(calc(110deg + var(--mx) * 60deg),#FF9A62 0%,#FFE27A 18%,#FF7FBF 36%,#A98BFF 54%,#7FA8FF 70%,#7FF2FF 86%,#FF9A62 100%);
  background-size:220% 220%;background-position:calc(var(--mx) * 100%) calc(var(--my) * 100%)}
.ticket::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(circle at calc(var(--mx) * 100%) calc(var(--my) * 100%),rgba(255,255,255,.75),rgba(255,255,255,0) 42%)}
.ticket-main{position:relative;z-index:1;padding:20px 22px;display:grid;gap:10px}
.ticket-main .mono{color:#3D464C}
.ticket-main h3{font-size:22px;letter-spacing:-.03em}
.ticket-main dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px}
.ticket-main dt{font:500 11.5px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:#3D464C;padding-top:2px}
.ticket-bar{height:34px;margin-top:4px;background:repeating-linear-gradient(90deg,#0B0F12 0 2px,transparent 2px 4px,#0B0F12 4px 5px,transparent 5px 8px,#0B0F12 8px 11px,transparent 11px 12px);opacity:.85}
.ticket-stub{position:relative;z-index:1;display:grid;place-content:center;gap:8px;text-align:center;padding:16px 10px;border-left:2px dashed rgba(11,15,18,.35);cursor:grab;touch-action:none;
  transition:transform .6s var(--ease),opacity .6s}
.ticket-stub b{font:700 30px var(--sans);letter-spacing:-.04em}
.ticket-stub small{font:500 10.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#3D464C}
.ticket-stub button{border:0;background:#0B0F12;color:#fff;border-radius:999px;padding:7px 10px;font:600 12px var(--sans);cursor:pointer}
.ticket.is-torn .ticket-stub{transform:translate(40px,30px) rotate(14deg);opacity:0}
.ticket-note{margin-top:12px;font-size:13.5px;color:var(--ink-3);max-width:560px}
@media(max-width:560px){.ticket{grid-template-columns:1fr}.ticket-stub{border-left:0;border-top:2px dashed rgba(11,15,18,.35)}}

/* ---------- sources, prose, footer, dock ---------- */
.src{padding-top:56px;padding-bottom:72px}
.src h2{font-size:15px;letter-spacing:-.005em}.src h2 span{font-weight:400;color:var(--ink-3);margin-left:8px}
.src ol{margin-top:10px;padding-left:22px;display:grid;gap:4px;font-size:14px;color:var(--ink-2)}
.src a{color:var(--ink-2)}
sup.fn{font:500 .7em var(--mono);margin-left:1px}sup.fn a{text-decoration:none;color:var(--ink-2)}
.prose{max-width:760px;padding-top:28px;padding-bottom:40px}
.prose h1{font-size:clamp(36px,4.6vw,58px);letter-spacing:-.045em;margin-bottom:18px}
.prose h2{font-size:21px;margin:30px 0 8px}
.prose p,.prose li{color:var(--ink-2)}
.prose ul{padding-left:20px;display:grid;gap:4px}
.prose a{color:var(--ink)}
.foot{border-top:1px solid var(--line);padding:56px 0 calc(28px + env(safe-area-inset-bottom,0px))}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px 48px}
.foot h2{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.foot nav h2+ul+h2{margin-top:18px}
.foot ul{list-style:none;display:grid;gap:4px;font-size:15px}
.foot a{color:var(--ink-2)}
.foot-brand p{margin-top:14px;font-size:15px;color:var(--ink-2)}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:40px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.foot-base strong{font-weight:600;color:var(--ink-2)}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr}}
.dock{display:none}
@media(max-width:700px){
  .dock{display:flex;position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:45;gap:8px;padding:8px;border-radius:20px;background:rgba(255,255,255,.88);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 0 0 1px var(--line),0 18px 40px -20px rgba(11,15,18,.4)}
  .dock a{flex:1;display:flex;align-items:center;justify-content:center;min-height:46px;border-radius:14px;text-decoration:none;font-weight:600;font-size:15px;color:var(--ink);background:var(--paper-2)}
  .dock .dock-main{background:var(--ink);color:#fff}
  .foot{padding-bottom:110px}
}
.page-head{padding-bottom:0}
.link-btn{border:0;background:none;padding:0;font:inherit;color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;cursor:pointer;margin-left:6px}
.ticket-wrap .kit-form-msg{max-width:560px}
@media(prefers-reduced-motion:reduce){body::after{animation:none}.ticket{transform:none}.ticket-stub,.nav-dot{transition:none}}
/* ---------- skin in 3D (haut-3d.html): topics with a travelling dot, model left, steps right ---------- */
.p3d-sec{padding-top:36px}
.tabs{position:relative;display:flex;flex-wrap:wrap;gap:4px 22px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.tabs button{border:0;background:none;cursor:pointer;padding:8px 0;font:500 15px/1.2 var(--sans);color:var(--ink-3);transition:color .25s}
.tabs button:hover,.tabs button[aria-pressed="true"]{color:var(--ink)}
.tab-dot{position:absolute;left:0;top:0;width:6px;height:6px;border-radius:50%;background:var(--ink);opacity:0;transition:transform .55s cubic-bezier(.3,1.4,.4,1),opacity .3s}
.tab-dot.is-on{opacity:1}
.view-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.85fr);gap:24px 40px;margin-top:22px;align-items:start}
.stage{position:relative;border-radius:24px;background:radial-gradient(120% 90% at 50% 30%,#FFFFFF 0%,#F2F3F1 70%);box-shadow:0 0 0 1px var(--line);overflow:hidden}
.stage .kit-3d{height:clamp(420px,52vw,680px)}
.stage .kit-3d-zoom button{border-radius:12px;border:0;box-shadow:0 0 0 1px var(--line-2);font-family:var(--mono)}
.stage .kit-3d-tip{border-radius:10px;font-family:var(--sans)}
.stage-note{position:absolute;left:16px;bottom:12px;z-index:3;font-size:11px;pointer-events:none}
.loadbar{position:absolute;left:50%;top:50%;z-index:5;display:grid;justify-items:center;gap:10px;transform:translate(-50%,-50%);padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.9);box-shadow:0 0 0 1px var(--line),0 18px 40px -24px rgba(11,15,18,.4)}
.loadbar canvas{width:192px;height:24px;image-rendering:pixelated;image-rendering:crisp-edges}
.loadbar b{font-weight:500;color:var(--ink)}
.steps [data-scene]{display:flex;flex-direction:column}
.js .steps [data-scene]:not(.is-on){display:none}
.steps h2{font-size:clamp(22px,2vw,28px);letter-spacing:-.03em;margin-top:6px}
.steps .intro{font-size:15px;color:var(--ink-2);margin-top:8px}
.steps ol{list-style:none;display:grid;margin-top:16px;border-top:1px solid var(--line)}
.steps ol li{border-bottom:1px solid var(--line)}
.steps ol button{display:grid;grid-template-columns:30px 1fr;gap:2px 12px;width:100%;text-align:left;border:0;cursor:pointer;background:transparent;padding:13px 4px;font:inherit;color:var(--ink-2)}
.steps ol .n{grid-row:1/3;font:500 12px/1.9 var(--mono);color:var(--ink-3)}
.steps ol b{font-weight:650;color:var(--ink);font-size:16px}
.steps ol button span:not(.n){font-size:14.5px;line-height:1.5;display:none}
.steps ol button[aria-current="step"] span:not(.n){display:block}
.steps ol button[aria-current="step"] .n{color:var(--ink)}
.steps ol button[aria-current="step"] .n::before{content:"●  ";font-size:9px;vertical-align:1px}
.steps .done b{color:var(--ink-3)}
.lay{list-style:none;display:grid;margin-top:16px;border-top:1px solid var(--line)}
.lay li{border-bottom:1px solid var(--line)}
.lay button{display:block;width:100%;text-align:left;border:0;cursor:pointer;background:transparent;padding:11px 4px;font:inherit;color:var(--ink-2);transition:background .2s}
.lay button:hover,.lay button:focus-visible{background:#fff}
.lay b{font-weight:650;color:var(--ink);font-size:15.5px}.lay i{font:400 12px var(--mono);font-style:normal;color:var(--ink-3);margin-left:6px}
.lay span{display:block;font-size:14px;margin-top:2px}
.player{display:flex;align-items:center;gap:14px;margin-top:18px}
.view.anat .player{display:none}
.pbar{flex:1;height:2px;background:var(--line);position:relative}.pbar i{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--ink)}
.sbar{display:none}
@media(max-width:900px){
  .view-grid{grid-template-columns:minmax(0,1fr)}
  .tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-right:calc(-1 * var(--pad));padding-right:var(--pad)}.tabs::-webkit-scrollbar{display:none}
  .tabs button{white-space:nowrap}
  .stage-note{display:none}
  .stage .kit-3d{height:clamp(340px,92vw,520px)}
  .js .sbar:not([hidden]){display:block;margin-top:-10px;padding:12px;border-radius:18px;background:#fff;box-shadow:0 0 0 1px var(--line)}
  .js .view:not(.anat) .player{display:none}
  .js .view:not(.anat) .steps ol{display:none}
}
.sbar-row{display:grid;grid-template-columns:44px 1fr 44px 44px;align-items:center;gap:8px}
.sbar-n{text-align:center;line-height:1.25}.sbar-n small{display:block;font:400 11.5px var(--mono);color:var(--ink-3)}.sbar-n b{display:block;font-weight:650;font-size:15.5px}
.sbar-t{font-size:14.5px;color:var(--ink-2);margin-top:8px;text-align:center}
.sbar-btn{width:44px;height:44px;border-radius:14px;border:0;display:grid;place-items:center;cursor:pointer;background:var(--paper-2);color:var(--ink)}
.sbar-next{background:var(--ink);color:#fff}
.sbar-btn:disabled{opacity:.35;cursor:default}
.sbar-btn .i-pause{display:none}.sbar-btn[aria-pressed="true"] .i-play{display:none}.sbar-btn[aria-pressed="true"] .i-pause{display:inline}
/* ---------- glossy 3D icons (iTunes icon reference): colour orb, white glyph, a highlight on top ---------- */
.ico{position:relative;flex:none;display:inline-block;width:46px;height:46px;border-radius:15px;
  background:var(--g) center/22px no-repeat,radial-gradient(130% 120% at 30% 15%,#fff 0%,var(--i1) 34%,var(--i2) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.85),inset 0 -8px 14px rgba(0,0,0,.18),0 12px 22px -12px var(--i2)}
.ico::after{content:"";position:absolute;left:6px;right:6px;top:3px;height:45%;border-radius:12px 12px 40% 40%;background:linear-gradient(rgba(255,255,255,.75),rgba(255,255,255,0));pointer-events:none}
.ico-cal{--i1:#4C7DFF;--i2:#1E3FD1;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='5.5' width='16' height='14' rx='2.5'/%3E%3Cpath d='M4 10h16M8.5 3.5v4M15.5 3.5v4'/%3E%3C/svg%3E")}
.ico-talk{--i1:#A47BFF;--i2:#5A2FD6;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 6.5h14a1.5 1.5 0 0 1 1.5 1.5v7a1.5 1.5 0 0 1-1.5 1.5h-7l-4 3v-3H5A1.5 1.5 0 0 1 3.5 15V8A1.5 1.5 0 0 1 5 6.5z'/%3E%3C/svg%3E")}
.ico-body{--i1:#FF6FA8;--i2:#C21E64;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='6' r='2.6'/%3E%3Cpath d='M7 11.5c1.5-1.4 3-2 5-2s3.5.6 5 2M12 9.5v6M12 15.5l-3 5M12 15.5l3 5'/%3E%3C/svg%3E")}
.ico-lens{--i1:#3BC8E0;--i2:#0B7F9C;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='10.5' cy='10.5' r='5.5'/%3E%3Cpath d='M14.6 14.6l5 5'/%3E%3C/svg%3E")}
.ico-doc{--i1:#9B6FD0;--i2:#5B2E91;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 3.5h7l4 4v13H7z'/%3E%3Cpath d='M14 3.5v4h4M9.5 12h6M9.5 15.5h6'/%3E%3C/svg%3E")}
.ico-check{--i1:#3CC48C;--i2:#127A52;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E")}
.ico-clock{--i1:#FFC25C;--i2:#D9821A;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='7.5'/%3E%3Cpath d='M12 8v4.5l3 2'/%3E%3C/svg%3E")}
.ico-ring{--i1:#FF8A5C;--i2:#C9481F;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='7' stroke-dasharray='2.6 2.4'/%3E%3Ccircle cx='12' cy='12' r='2.2'/%3E%3C/svg%3E")}
.ico-flask{--i1:#7F8CFF;--i2:#3B3FC9;--g:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9.5 3.5h5M10.5 3.5v6l-5 8.5a1.6 1.6 0 0 0 1.4 2.5h10.2a1.6 1.6 0 0 0 1.4-2.5l-5-8.5v-6M7.6 15h8.8'/%3E%3C/svg%3E")}

/* ---------- screening: the way as a map of nodes (design office reference) ---------- */
.map{position:relative;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));grid-template-rows:auto auto 18px auto auto;gap:14px 22px}
.map-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.map-lines path{fill:none;stroke:var(--line-2);stroke-width:1.5;transition:stroke .3s,stroke-width .3s}
.map-lines path.is-hot{stroke:var(--ink);stroke-width:2}
.map-main,.map-branch,.map-branch ol{display:contents}
.map ol{list-style:none}
.node{position:relative;z-index:1;display:grid;gap:10px;align-content:start;padding:16px 16px 18px;border-radius:18px;background:#fff;box-shadow:0 0 0 1px var(--line);transition:box-shadow .3s,transform .3s var(--ease)}
.node.is-hot{box-shadow:0 0 0 1.5px var(--ink),0 18px 34px -24px rgba(11,15,18,.45);transform:translateY(-2px)}
.node-t{display:grid;gap:2px}.node-t b{font-weight:650;font-size:16px;line-height:1.25;letter-spacing:-.01em}
.node-x{font-size:14px;line-height:1.5;color:var(--ink-2)}
.map-main .node{grid-row:1/6;align-self:center;grid-column:var(--c)}
.map-a h3,.map-b h3{grid-column:6/8;align-self:end;font-size:11.5px}
.map-a h3{grid-row:1}.map-a .node{grid-row:2;grid-column:var(--c)}
.map-b h3{grid-row:4}.map-b .node{grid-row:5;grid-column:var(--c)}
.js .map .node{opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease) calc(var(--c) * 90ms),transform .6s var(--ease) calc(var(--c) * 90ms),box-shadow .3s}
.js .map.is-in .node{opacity:1;transform:none}
.js .map.is-in .node.is-hot{transform:translateY(-2px)}
@media(max-width:1060px){
  .map{display:block}
  .map-main,.map-branch ol{display:grid;gap:22px}
  .map-branch{display:block;margin-top:34px;padding-left:34px}
  .map-branch h3{margin-bottom:12px}
  .node{grid-template-columns:46px minmax(0,1fr);column-gap:14px}
  .node .node-x{grid-column:2}
  .map-main .node,.map-a .node,.map-b .node{grid-row:auto;grid-column:auto;align-self:auto}
}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 40px}
.facts h3{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.facts p{color:var(--ink-2)}
@media(max-width:900px){.facts{grid-template-columns:1fr}}
.remind{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:28px 56px;align-items:center}
.remind .lead{margin-top:18px}
.remind-form{display:grid;gap:12px}
@media(max-width:900px){.remind{grid-template-columns:1fr}}
/* ---------- conditions on a turning helix (dither helix carousel reference) ---------- */
.helix-sec{padding-top:24px}
.helix-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:28px 48px;align-items:center}
.helix-cards{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.hcard{display:grid;width:100%;border:0;padding:10px 10px 14px;text-align:left;cursor:pointer;background:#fff;border-radius:18px;box-shadow:0 0 0 1px var(--line);font:inherit;color:var(--ink)}
.hcard-img{position:relative;display:block;border-radius:12px;overflow:hidden;background:#fff}
.hcard-img img{width:100%;height:auto;aspect-ratio:1}
.hcard-img canvas{display:none}
.hcard-t{display:grid;gap:2px;margin-top:10px}.hcard-t b{font-weight:650;font-size:16px;letter-spacing:-.01em}
.hd{padding:6px 0}
.hd h2{font-size:clamp(26px,2.6vw,36px);letter-spacing:-.035em;margin:8px 0 12px}
.hd p{color:var(--ink-2)}
.hd-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:16px}
.helix-nav{display:none}
.js .helix-grid.is-on .helix-stage{position:relative;height:clamp(420px,46vw,560px);perspective:1500px;cursor:grab;touch-action:pan-y;outline-offset:6px;border-radius:24px}
.js .helix-grid.is-on .helix-cards{display:block;position:absolute;inset:0;transform-style:preserve-3d}
.js .helix-grid.is-on .helix-cards li{display:contents}
.js .helix-grid.is-on .hcard{position:absolute;left:50%;top:50%;width:clamp(168px,19vw,236px);backface-visibility:visible;will-change:transform;
  box-shadow:0 0 0 1px var(--line),0 24px 40px -30px rgba(11,15,18,calc(.5 * (1 - var(--dith,0))))}
.js .helix-grid.is-on .hcard-img img{opacity:calc(1 - var(--dith,0))}
.js .helix-grid.is-on .hcard-img canvas{display:block;position:absolute;inset:0;width:100%;height:100%;image-rendering:pixelated;opacity:var(--dith,0)}
.js .helix-grid.is-on .hcard{background:rgba(255,255,255,calc(1 - .85 * var(--dith,0)))}
.js .helix-grid.is-on .hcard[aria-current="true"]{box-shadow:0 0 0 1.5px var(--ink),0 30px 50px -30px rgba(11,15,18,.55)}
.js .helix-grid.is-on .helix-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:10px}
.js .helix-grid.is-on .hd[hidden]{display:none}
@media(max-width:900px){.helix-grid{grid-template-columns:minmax(0,1fr)}.js .helix-grid.is-on .helix-stage{height:400px}}
.ticks{list-style:none;display:grid;gap:8px;margin-top:14px}
.ticks li{position:relative;padding-left:22px;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--ink)}
.facts .ico{margin-bottom:14px}
.steps3{list-style:none}
.faq{max-width:860px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;padding:20px 2px;font-weight:650;font-size:clamp(17px,1.4vw,19px);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 22px/1 var(--mono);color:var(--ink-3);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 2px 22px;color:var(--ink-2);max-width:62ch}
[hidden]{display:none!important}