/* Studio Rescience — main stylesheet */
:root{
  --ink:#0b1620;
  --ink-2:#12212d;
  --ink-3:#1b2f3e;
  --paper:#f6f3ec;
  --sand:#ece5d6;
  --line:rgba(11,22,32,.12);
  --line-dark:rgba(246,243,236,.12);
  --text:#16232d;
  --muted:#56636c;
  --muted-dark:#9fb0ba;
  --teal:#2bb5a6;
  --teal-deep:#1d8c80;
  --amber:#e8a13a;
  --radius:14px;
  --head:"Space Grotesk",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--body);font-size:17px;line-height:1.6;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--head);line-height:1.12;letter-spacing:-.02em;font-weight:600}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:.6em}
h3{font-size:1.18rem;margin-bottom:.45em}
p+p{margin-top:1em}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--teal);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:600 .95rem var(--body);background:var(--teal);color:#06231f;padding:.85em 1.4em;border-radius:999px;text-decoration:none;border:1px solid var(--teal);cursor:pointer;transition:background .2s,transform .2s,color .2s}
.btn:hover{background:#3fcabb;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:inherit;border-color:currentColor}
.btn--ghost:hover{background:rgba(43,181,166,.12);border-color:var(--teal)}
.btn--sm{padding:.55em 1.1em;font-size:.88rem}
.btn--block{width:100%}
.link{color:var(--teal-deep);font-weight:600;text-decoration:none;border-bottom:1px solid currentColor}

/* Nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;color:var(--paper);transition:background .3s,box-shadow .3s}
.nav.is-scrolled{background:rgba(11,22,32,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line-dark)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--head);font-size:1.1rem;font-weight:500;letter-spacing:-.01em}
.brand b{font-weight:700}
.nav__menu{display:flex;align-items:center;gap:28px}
.nav__menu a:not(.btn){text-decoration:none;font-size:.93rem;color:var(--muted-dark);transition:color .2s}
.nav__menu a:not(.btn):hover{color:var(--paper)}
.nav__toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.nav__toggle span{width:22px;height:2px;background:var(--paper);transition:transform .3s}
.nav__toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Hero */
.hero{position:relative;min-height:100vh;min-height:100svh;background:var(--ink);color:var(--paper);display:flex;align-items:center;overflow:hidden;padding:120px 0 90px}
#flow{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 20% 50%,rgba(11,22,32,.9) 0%,rgba(11,22,32,.55) 45%,rgba(11,22,32,.1) 100%);pointer-events:none}
.hero__inner{position:relative;z-index:2}
.eyebrow{font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:10px;margin-bottom:22px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(43,181,166,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(43,181,166,0)}100%{box-shadow:0 0 0 0 rgba(43,181,166,0)}}
.hero h1{font-size:clamp(2.5rem,6.4vw,5rem);max-width:13ch;font-weight:600}
.hero h1 em{font-style:normal;color:var(--amber)}
.lead{font-size:clamp(1.02rem,1.5vw,1.2rem);color:#c9d4da;max-width:58ch;margin:26px 0 34px;font-weight:300}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px}
.hero__stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:72px;max-width:820px;border-top:1px solid var(--line-dark);padding-top:26px}
.hero__stats dt{font-family:var(--head);font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:600}
.hero__stats dd{font-size:.85rem;color:var(--muted-dark)}
.hero__readout{position:absolute;right:32px;bottom:32px;z-index:2;display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:.78rem;color:var(--teal);text-align:right}
.hero__readout span:first-child{color:var(--amber)}

/* Sections */
.section{padding:clamp(72px,10vw,130px) 0}
.section--sand{background:var(--sand)}
.section--ink{background:var(--ink);color:var(--paper)}
.section--ink p{color:var(--muted-dark)}
.section__head{max-width:720px;margin-bottom:56px}
.section__head p{color:var(--muted);font-size:1.06rem}
.section--ink .section__head p{color:var(--muted-dark)}
.kicker{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep);margin-bottom:16px}
.section--ink .kicker{color:var(--teal)}
.grid{display:grid;gap:20px}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(11,22,32,.35);border-color:rgba(43,181,166,.5)}
.card__icon{width:46px;height:46px;border-radius:12px;background:rgba(43,181,166,.12);display:grid;place-items:center;margin-bottom:20px}
.card__icon svg{width:24px;height:24px;fill:none;stroke:var(--teal-deep);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card p{color:var(--muted);font-size:.97rem}

/* Split layouts */
.split{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(36px,6vw,90px);align-items:start}
.split--wide{grid-template-columns:1fr 1fr;align-items:center}
.split > div > p{color:var(--muted);margin-bottom:22px}
.section--ink .split > div > p{color:var(--muted-dark)}

.ticks{list-style:none;display:grid;gap:2px;border-top:1px solid var(--line)}
.ticks li{display:grid;grid-template-columns:240px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.ticks b{font-family:var(--head);font-weight:600;font-size:1.05rem;position:relative;padding-left:22px}
.ticks b::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;border-radius:50%;background:var(--amber)}
.ticks span{color:var(--muted);font-size:.96rem}

/* Models */
.models{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden}
.model{background:var(--ink-2);padding:32px 26px;transition:background .25s}
.model:hover{background:var(--ink-3)}
.model__tag{font-family:var(--mono);font-size:.78rem;color:var(--teal)!important;margin-bottom:28px}
.model h3{font-size:1.35rem;margin-bottom:18px}
.model ul{list-style:none;display:grid;gap:10px}
.model li{font-size:.92rem;color:var(--muted-dark);padding-left:18px;position:relative}
.model li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:1px;background:var(--teal)}
.toolchain{margin-top:48px;display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}
.toolchain__label{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dark)}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-family:var(--mono);font-size:.8rem;padding:6px 12px;border:1px solid var(--line-dark);border-radius:999px;color:#d5dee3}

/* Studies */
.studies{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.study{padding:32px 28px 36px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;transition:background .25s}
.study:hover{background:#fff}
.study::before{content:"";position:absolute;left:28px;top:0;width:36px;height:3px;background:var(--teal)}
.study p{color:var(--muted);font-size:.96rem}

/* Impact */
.impact{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 48px}
.impact div{border-top:2px solid var(--ink);padding-top:18px}
.impact p{color:var(--muted);font-size:.96rem}

/* Platform */
.feature-list{list-style:none;display:grid;gap:14px;margin-top:8px}
.feature-list li{color:var(--muted);padding-left:26px;position:relative;font-size:.98rem}
.feature-list li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:14px;border-radius:4px;border:1.5px solid var(--teal)}
.feature-list b{color:var(--text)}
.dash{background:var(--ink);color:var(--paper);border-radius:18px;padding:16px;box-shadow:0 40px 80px -40px rgba(11,22,32,.6)}
.dash__bar{display:flex;align-items:center;gap:6px;padding:4px 6px 14px}
.dash__bar span{width:9px;height:9px;border-radius:50%;background:var(--ink-3)}
.dash__bar em{font-style:normal;font-family:var(--mono);font-size:.72rem;color:var(--muted-dark);margin-left:auto}
.dash__map{aspect-ratio:16/10;border-radius:10px;background:var(--ink-2);overflow:hidden;color:var(--paper)}
.dash__map svg{width:100%;height:100%}
.dash__row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.dash__row div{background:var(--ink-2);border-radius:10px;padding:12px 14px}
.dash__row small{display:block;font-family:var(--mono);font-size:.7rem;color:var(--muted-dark)}
.dash__row b{font-family:var(--head);font-size:1.25rem;color:var(--teal)}
.dash__row div:first-child b{color:var(--amber)}

/* Process */
.process{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;counter-reset:s}
.process li{border-top:1px solid var(--line-dark);padding-top:22px;position:relative}
.process li::before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.process span{font-family:var(--mono);font-size:.78rem;color:var(--teal);display:block;margin-bottom:12px}
.process p{font-size:.93rem}

/* Tiers */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;display:flex;flex-direction:column;position:relative}
.tier h3{font-size:1.5rem;margin-bottom:4px}
.tier__for{color:var(--muted);font-size:.92rem;margin-bottom:24px}
.tier ul{list-style:none;display:grid;gap:10px;margin-bottom:30px;flex:1}
.tier li{padding-left:26px;position:relative;font-size:.95rem}
.tier li::before{content:"";position:absolute;left:2px;top:.35em;width:12px;height:7px;border-left:2px solid var(--teal-deep);border-bottom:2px solid var(--teal-deep);transform:rotate(-45deg)}
.tier--feature{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.tier--feature .tier__for{color:var(--muted-dark)}
.tier--feature li::before{border-color:var(--teal)}
.tier__badge{position:absolute;top:-12px;left:30px;background:var(--amber);color:var(--ink);font:600 .72rem var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.tier .btn--ghost{color:var(--text)}

/* About */
.about p{color:var(--muted)}
.about b{color:var(--text)}
.values{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.values li{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-size:.93rem;font-weight:500}

/* Contact */
.contact-list{list-style:none;display:grid;gap:18px;margin-top:10px}
.contact-list small{display:block;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--teal)}
.contact-list a{color:var(--paper);font-size:1.15rem;text-decoration:none;border-bottom:1px solid var(--line-dark)}
.form{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:18px;padding:30px;display:grid;gap:16px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:.85rem;color:var(--muted-dark)}
.form input,.form select,.form textarea{font:inherit;font-size:.97rem;color:var(--paper);background:var(--ink);border:1px solid var(--line-dark);border-radius:10px;padding:12px 14px;width:100%;transition:border-color .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--teal)}
.form textarea{resize:vertical;min-height:120px}
.form .is-invalid{border-color:#e66a5c}
.hp{position:absolute!important;left:-9999px!important}
.form__status{font-size:.92rem;min-height:1.2em}
.form__status.ok{color:var(--teal)}
.form__status.err{color:#f08b7e}
.form__note{font-size:.78rem;color:var(--muted-dark)}

/* Footer */
.footer{background:#071017;color:var(--muted-dark);padding:48px 0;font-size:.9rem}
.footer__inner{display:grid;grid-template-columns:1.4fr 2fr 1fr;gap:28px;align-items:center}
.footer .brand{color:var(--paper);margin-bottom:8px}
.footer nav{display:flex;flex-wrap:wrap;gap:22px;justify-content:center}
.footer nav a{text-decoration:none}
.footer nav a:hover{color:var(--paper)}
.footer__copy{text-align:right}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1024px){
  .models{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr)}
  .grid--3,.studies,.impact{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav__toggle{display:flex}
  .nav__menu{position:fixed;inset:72px 0 auto;background:var(--ink);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 24px;transform:translateY(-120%);transition:transform .35s;box-shadow:0 20px 40px rgba(0,0,0,.4)}
  .nav__menu.is-open{transform:none}
  .nav__menu a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--line-dark);font-size:1rem}
  .nav__menu .btn{margin-top:16px}
  .split,.split--wide,.tiers{grid-template-columns:1fr}
  .ticks li{grid-template-columns:1fr;gap:6px}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__readout{display:none}
  .footer__inner{grid-template-columns:1fr;text-align:left}
  .footer nav{justify-content:flex-start}
  .footer__copy{text-align:left}
}
@media (max-width:600px){
  body{font-size:16px}
  .grid--3,.studies,.impact,.models,.process,.values,.form__row{grid-template-columns:1fr}
  .form{padding:22px}
  .dash__row b{font-size:1.05rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}