/* ===========================================================
   ai:dolescence — design system
   Kraken palette · Sora · custom static site
   =========================================================== */

:root{
  --pdf-ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6'/%3E%3C/svg%3E");
  /* palette */
  --teal:#08A896;
  --teal-600:#06907F;
  --teal-light:#7FDDD1;
  --teal-tint:#DFF5F2;
  --orange:#F27405;
  --orange-tint:#FDEBDC;
  --deep:#025159;
  --deep-900:#013A40;
  --deep-tint:#E1EEEF;
  --mute:#C9D2D0;
  --grid:#E9ECEB;
  --surface:#F3F5F4;
  --ink:#10312F;
  --ink-soft:#4B6463;
  --white:#fff;

  /* type */
  --font:"Sora",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --fs-hero:clamp(2.15rem,5.4vw,4rem);
  --fs-h2:clamp(1.65rem,3.2vw,2.5rem);
  --fs-h3:clamp(1.1rem,1.8vw,1.35rem);
  --fs-lead:clamp(1.04rem,1.6vw,1.22rem);
  --fs-body:1.0rem;
  --fs-small:.9rem;

  /* layout */
  --wrap:1180px;
  --wrap-narrow:760px;
  --gap:clamp(1rem,2.5vw,2rem);
  --band-y:clamp(3.5rem,7vw,6.5rem);
  --radius:1rem;
  --radius-lg:1.5rem;
  --radius-pill:999px;

  --shadow-sm:0 1px 3px rgba(2,81,89,.06),0 6px 18px rgba(2,81,89,.05);
  --shadow-md:0 10px 30px rgba(2,81,89,.10);
  --shadow-lg:0 24px 60px rgba(2,81,89,.16);
  --ring:0 0 0 3px rgba(8,168,150,.35);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:var(--fs-body);line-height:1.68;
  color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--deep);text-decoration-thickness:.06em;text-underline-offset:.18em}
a:hover{color:var(--teal)}
h1,h2,h3,h4{font-weight:700;line-height:1.16;letter-spacing:-.018em;color:var(--deep);margin:0 0 .6em}
h1{font-size:var(--fs-hero);font-weight:800}
h2{font-size:var(--fs-h2);font-weight:800}
h3{font-size:var(--fs-h3);font-weight:600}
p{margin:0 0 1.1em;max-width:70ch}
ul,ol{max-width:70ch}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:.4rem}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:200;background:var(--white);padding:.7rem 1.1rem;border-radius:.6rem;box-shadow:var(--shadow-md)}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}
.narrow{max-width:var(--wrap-narrow)}
.band{padding-block:var(--band-y)}
.band--tint{background:var(--teal-tint)}
.band--surface{background:var(--surface)}
.band--deep{background:var(--deep);color:#D6EAEC}
.band--deep h2,.band--deep h3{color:#fff}
.band--deep a{color:var(--teal-light)}
.band--tight{padding-block:clamp(2.2rem,4vw,3.4rem)}
.lead{font-size:var(--fs-lead);color:var(--ink-soft);max-width:62ch}
.band--deep .lead{color:#BFDDE0}
.eyebrow{
  display:inline-block;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  font-weight:600;color:var(--teal);margin-bottom:1rem
}
.band--deep .eyebrow{color:var(--teal-light)}
.section-head{max-width:64ch;margin-bottom:clamp(1.8rem,3vw,2.8rem)}
.section-head p{margin-bottom:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease
}
.site-header.is-stuck{border-bottom-color:var(--grid);box-shadow:0 2px 16px rgba(2,81,89,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:74px}
.brand{font-weight:800;font-size:1.22rem;letter-spacing:-.03em;color:var(--deep);text-decoration:none;white-space:nowrap}
.brand span{color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:.15rem;list-style:none;margin:0;padding:0}
.nav-links a{
  display:block;padding:.55rem .85rem;border-radius:var(--radius-pill);
  font-size:.95rem;font-weight:500;color:var(--ink-soft);text-decoration:none;transition:.16s
}
.nav-links a:hover{color:var(--deep);background:var(--teal-tint)}
.nav-links a[aria-current="page"]{color:var(--deep);font-weight:600;background:var(--teal-tint)}
.nav-cta{
  margin-left:.5rem;padding:.6rem 1.15rem!important;background:var(--teal);color:#fff!important;
  font-weight:600!important;box-shadow:0 4px 14px rgba(8,168,150,.3)
}
.nav-cta:hover{background:var(--teal-600)!important}
.nav-toggle{display:none;background:none;border:0;padding:.5rem;cursor:pointer;color:var(--deep)}
.nav-toggle svg{width:26px;height:26px}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:stretch;gap:.2rem;
    background:#fff;padding:1rem clamp(1.1rem,4vw,2rem) 1.6rem;border-bottom:1px solid var(--grid);
    box-shadow:var(--shadow-md);transform:translateY(-140%);transition:transform .28s cubic-bezier(.4,0,.2,1)
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.8rem 1rem;font-size:1.02rem}
  .nav-cta{margin:.5rem 0 0;text-align:center}
}

/* ---------- hero ---------- */
.hero{
  position:relative;display:flex;align-items:center;min-height:min(84vh,720px);
  color:#fff;isolation:isolate;overflow:hidden
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("../../images/hero.jpg") center/cover no-repeat;
  transform:scale(1.04)
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(107deg,rgba(1,58,64,.95) 0%,rgba(2,81,89,.82) 42%,rgba(8,168,150,.45) 100%)
}
.hero .wrap{padding-block:clamp(4rem,10vw,7rem);width:100%}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;letter-spacing:.15em;
  text-transform:uppercase;font-weight:600;color:var(--teal-light);
  border:1px solid rgba(127,221,209,.4);border-radius:var(--radius-pill);padding:.4rem 1rem;margin-bottom:1.5rem
}
.hero-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal-light)}
.hero h1{color:#fff;max-width:19ch;margin-bottom:1.1rem;text-wrap:balance}
.hero p{color:rgba(255,255,255,.93);font-size:var(--fs-lead);max-width:54ch;margin-bottom:2rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* page hero (inner pages) */
.page-hero{background:var(--deep);color:#D6EAEC;padding-block:clamp(3rem,6vw,5rem)}
.page-hero h1{color:#fff;max-width:20ch;margin-bottom:.5rem}
.page-hero p{color:#BFDDE0;font-size:var(--fs-lead);max-width:58ch;margin:0}
.page-hero .eyebrow{color:var(--teal-light)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;border-radius:var(--radius-pill);
  padding:.8rem 1.6rem;font-weight:600;font-size:.96rem;text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;transition:.18s ease
}
.btn--primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(8,168,150,.28)}
.btn--primary:hover{background:var(--teal-600);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(8,168,150,.34)}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn--outline{border-color:var(--deep);color:var(--deep)}
.btn--outline:hover{background:var(--deep);color:#fff}
.btn--sm{padding:.55rem 1.1rem;font-size:.88rem}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:clamp(1.2rem,3vw,2.5rem);margin-top:clamp(2rem,4vw,3rem)}
.stat .num{font-size:clamp(2.2rem,4.4vw,3.2rem);font-weight:800;color:var(--teal);line-height:1;letter-spacing:-.03em}
.band--deep .stat .num{color:var(--teal-light)}
.stat .lbl{font-size:.92rem;color:var(--ink-soft);margin-top:.5rem;max-width:24ch}
.band--deep .stat .lbl{color:#BFDDE0}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:clamp(1rem,2vw,1.4rem)}
.cards--4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.card{
  background:#fff;border:1px solid var(--grid);border-radius:var(--radius);
  padding:clamp(1.4rem,2.4vw,1.9rem);transition:transform .2s ease,box-shadow .2s ease,border-color .2s
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.card h3{margin-bottom:.45rem}
.card p{font-size:.95rem;color:var(--ink-soft);margin:0}
.card .ico{
  width:46px;height:46px;border-radius:.8rem;display:grid;place-items:center;
  background:var(--teal-tint);color:var(--deep);margin-bottom:1rem
}
.card .ico svg{width:24px;height:24px}
.card--accent{border-top:3px solid var(--teal)}
.card--num{position:relative;padding-top:2.6rem}
.card--num .step{
  position:absolute;top:1.3rem;left:clamp(1.4rem,2.4vw,1.9rem);font-size:.78rem;font-weight:700;
  letter-spacing:.1em;color:var(--teal)
}

/* ---------- reports ---------- */
.filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:2rem}
.chip{
  border:1px solid var(--grid);background:#fff;color:var(--ink-soft);border-radius:var(--radius-pill);
  padding:.45rem 1.05rem;font-size:.86rem;font-family:var(--font);font-weight:500;cursor:pointer;transition:.16s
}
.chip:hover{border-color:var(--teal);color:var(--deep)}
.chip[aria-pressed="true"]{background:var(--deep);border-color:var(--deep);color:#fff}
.report-list{display:grid;gap:1.1rem}
.report{
  display:grid;grid-template-columns:120px 1fr;gap:clamp(1rem,2.5vw,2rem);align-items:start;
  border:1px solid var(--grid);border-radius:var(--radius);padding:clamp(1.3rem,2.4vw,1.8rem);
  background:#fff;text-decoration:none;color:inherit;transition:.2s ease
}
.report:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:transparent;color:inherit}
.report .date{font-size:.82rem;color:var(--ink-soft);font-variant-numeric:tabular-nums;padding-top:.3rem}
.report h3{margin-bottom:.4rem;transition:color .16s}
.report:hover h3{color:var(--teal)}
.report p{font-size:.95rem;color:var(--ink-soft);margin:0 0 .8rem}
.tags{display:flex;gap:.4rem;flex-wrap:wrap}
.tag{background:var(--teal-tint);color:var(--deep);border-radius:var(--radius-pill);padding:.2rem .75rem;font-size:.75rem;font-weight:600}
.tag--orange{background:var(--orange-tint)}
.tag--pdf{background:var(--deep-tint);color:var(--deep);display:inline-flex;align-items:center;gap:.35rem}
.tag--pdf::before{
  content:"";width:.7rem;height:.85rem;background:currentColor;opacity:.75;
  -webkit-mask:var(--pdf-ico) center/contain no-repeat;mask:var(--pdf-ico) center/contain no-repeat
}
@media (max-width:640px){.report{grid-template-columns:1fr;gap:.6rem}}

/* ---------- article ---------- */
.article{padding-block:clamp(2.5rem,5vw,4rem)}
.article .wrap{max-width:var(--wrap-narrow)}
.article h2{margin-top:2.6rem;font-size:clamp(1.35rem,2.4vw,1.75rem)}
.article h3{margin-top:2rem}
.article p,.article li{font-size:1.04rem}
.article figure{margin:2.4rem 0}
.article figure img{border-radius:var(--radius);border:1px solid var(--grid);width:100%}
.article figcaption{font-size:.88rem;color:var(--ink-soft);margin-top:.7rem;line-height:1.55}
.meta{
  display:flex;gap:1.2rem;flex-wrap:wrap;font-size:.88rem;color:var(--ink-soft);
  border-bottom:1px solid var(--grid);padding-bottom:1.2rem;margin-bottom:2.2rem
}
.meta b{color:var(--deep);font-weight:600}
.takeaway{background:var(--teal-tint);border-radius:var(--radius-lg);padding:clamp(1.4rem,3vw,2rem);margin:2.4rem 0}
.takeaway h3{margin:0 0 .8rem;font-size:1.05rem}
.takeaway ul{margin:0;padding-left:1.15rem}
.takeaway li{margin-bottom:.5rem;font-size:1rem}
.takeaway li:last-child{margin-bottom:0}
.callout{border-left:3px solid var(--orange);background:var(--orange-tint);border-radius:0 var(--radius) var(--radius) 0;padding:1.2rem 1.4rem;margin:2rem 0;font-size:.97rem}
.callout p:last-child{margin-bottom:0}
.bar-chart{display:grid;gap:.85rem;margin:2rem 0}
.bar-row{display:grid;grid-template-columns:minmax(120px,26%) 1fr auto;gap:.9rem;align-items:center;font-size:.93rem}
.bar-track{background:var(--grid);border-radius:var(--radius-pill);height:26px;overflow:hidden}
.bar-fill{height:100%;border-radius:var(--radius-pill);background:var(--teal);width:var(--w,0);transition:width 1.1s cubic-bezier(.22,1,.36,1)}
.bar-fill.is-orange{background:var(--orange)}
.bar-fill.is-deep{background:var(--deep)}
.bar-val{font-variant-numeric:tabular-nums;font-weight:600;color:var(--deep);min-width:3.4rem;text-align:right}
@media (max-width:560px){.bar-row{grid-template-columns:1fr auto;grid-template-areas:"l v" "b b"}.bar-row>:nth-child(1){grid-area:l}.bar-row>:nth-child(2){grid-area:b}.bar-row>:nth-child(3){grid-area:v}}
table.data{width:100%;border-collapse:collapse;margin:2rem 0;font-size:.95rem}
table.data th,table.data td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--grid)}
table.data thead th{color:var(--deep);font-weight:600;border-bottom:2px solid var(--deep-tint)}
table.data tbody tr:nth-child(odd){background:var(--surface)}
table.data td.num{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- team ---------- */
.team{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:clamp(1.3rem,2.5vw,2rem) clamp(1rem,2vw,1.5rem)}
.person{text-align:left}
.person img,.person .avatar{
  width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);
  background:var(--deep-tint);margin-bottom:.8rem
}
.person .avatar{display:grid;place-items:center;font-size:1.7rem;font-weight:700;color:var(--deep);opacity:.45}
.person h3{font-size:.97rem;margin:0 0 .2rem;font-weight:600;letter-spacing:-.01em}
.person p{font-size:.83rem;color:var(--ink-soft);margin:0;max-width:none;line-height:1.5}
.person a{text-decoration:none;color:inherit;display:block}
.person a:hover h3{color:var(--teal)}
.person--lead{grid-column:span 2}
@media (max-width:520px){.person--lead{grid-column:span 1}}

/* ---------- videos ---------- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:clamp(1.3rem,3vw,2.5rem);align-items:center}
.video{position:relative;padding-bottom:56.25%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);background:var(--deep-tint)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- tabs ---------- */
.tabs{margin-top:2rem}
.tablist{display:flex;gap:.4rem;flex-wrap:wrap;border-bottom:1px solid var(--grid);padding-bottom:.6rem;margin-bottom:1.8rem}
.tab{
  border:0;background:none;font-family:var(--font);font-size:.95rem;font-weight:600;color:var(--ink-soft);
  padding:.6rem 1.1rem;border-radius:var(--radius-pill);cursor:pointer;transition:.16s
}
.tab:hover{background:var(--surface);color:var(--deep)}
.tab[aria-selected="true"]{background:var(--deep);color:#fff}
.tabpanel[hidden]{display:none}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:0;margin-top:2rem;counter-reset:step}
.tl-item{display:grid;grid-template-columns:44px 1fr;gap:1.2rem;padding-bottom:2rem;position:relative}
.tl-item::before{
  counter-increment:step;content:counter(step);
  width:38px;height:38px;border-radius:50%;background:var(--teal-tint);color:var(--deep);
  display:grid;place-items:center;font-weight:700;font-size:.95rem
}
.tl-item::after{content:"";position:absolute;left:19px;top:42px;bottom:0;width:1.5px;background:var(--grid)}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::after{display:none}
.tl-item h3{margin-bottom:.3rem;font-size:1.05rem}
.tl-item p{margin:0;font-size:.95rem;color:var(--ink-soft)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(1.2rem,2.5vw,2rem)}
.contact-card{background:#fff;border:1px solid var(--grid);border-radius:var(--radius);padding:1.6rem}
.contact-card h3{font-size:1.02rem;margin-bottom:.5rem}
.contact-card a{font-weight:600;text-decoration:none}
.faq{border-top:1px solid var(--grid)}
.faq details{border-bottom:1px solid var(--grid)}
.faq summary{
  cursor:pointer;padding:1.15rem 2rem 1.15rem 0;font-weight:600;color:var(--deep);
  list-style:none;position:relative;font-size:1.02rem
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.4rem;top:1rem;font-size:1.4rem;color:var(--teal);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding-bottom:1.3rem;color:var(--ink-soft)}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- CTA + footer ---------- */
.cta{text-align:center}
.cta h2{max-width:20ch;margin-inline:auto}
.cta p{margin-inline:auto;margin-bottom:2rem}
.funders{display:flex;align-items:center;gap:2.5rem;flex-wrap:wrap;margin-top:1.5rem}
.funders img{max-height:74px;width:auto}
.site-footer{background:var(--deep-900);color:#AECDD1;padding-block:clamp(2.5rem,5vw,3.5rem);font-size:.92rem}
.site-footer a{color:var(--teal-light);text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;gap:1.6rem}}
.site-footer h4{color:#fff;font-size:.88rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.9rem;font-weight:600}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.45rem}
.footer-brand{font-size:1.2rem;font-weight:800;color:#fff;letter-spacing:-.03em;display:block;margin-bottom:.6rem}
.footer-brand span{color:var(--teal)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.2rem;padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;opacity:.8}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:1.4rem;bottom:1.4rem;z-index:90;width:46px;height:46px;border:0;border-radius:50%;
  background:var(--teal);color:#fff;cursor:pointer;display:grid;place-items:center;
  box-shadow:0 6px 20px rgba(2,81,89,.3);opacity:0;visibility:hidden;transform:translateY(10px);transition:.24s
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--teal-600)}
.to-top svg{width:20px;height:20px}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,1,.36,1)}
.js .reveal.in{opacity:1;transform:none}
.js .bar-fill{width:0}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}