@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,600&display=swap');

:root{
  --blue-950:#07173f;
  --blue-900:#0a2b78;
  --blue-800:#103d9b;
  --blue-700:#1754c4;
  --blue-600:#2e67d8;
  --blue-500:#5a83e8;
  --blue-100:#eaf0ff;
  --cream:#f6f0e5;
  --cream-2:#fffaf1;
  --white:#ffffff;
  --ink:#111111;
  --muted:#5e6370;
  --line:#d7deec;
  --line-strong:#b9c7e4;
  --green:#56b947;
  --green-soft:#e8f6e3;
  --red:#e44547;
  --red-dark:#bb282d;
  --gold:#e7bd69;
  --shadow:0 18px 48px rgba(7,23,63,.14);
  --shadow-soft:0 10px 28px rgba(7,23,63,.09);
  --radius:22px;
  --radius-sm:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  background:var(--cream-2);
  color:var(--ink);
  font-family:"Montserrat",Arial,Helvetica,sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Shared top navigation — aligned with Welcome to Web3 */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:30px;
  min-height:78px;
  padding:12px clamp(18px,5vw,76px);
  background:rgba(255,250,241,.96);
  border-top:6px solid var(--blue-900);
  border-bottom:1px solid rgba(7,23,63,.12);
  box-shadow:0 7px 24px rgba(7,23,63,.06);
  backdrop-filter:blur(16px);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  flex:0 0 44px;
  border-radius:50%;
  color:#fff;
  background:linear-gradient(145deg,var(--blue-500),var(--blue-950));
  border:2px solid rgba(255,255,255,.9);
  box-shadow:0 0 0 2px rgba(16,61,155,.20),0 8px 20px rgba(7,23,63,.22);
  font-size:20px;
  font-weight:900;
}
.brand strong,.brand small{display:block}
.brand strong{font-size:14px;line-height:1.15;font-weight:900;letter-spacing:-.01em}
.brand small{margin-top:3px;color:var(--blue-800);font-size:9px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.main-nav{display:flex;justify-content:center;gap:5px;font-size:12px;font-weight:800}
.main-nav a{padding:9px 12px;border-radius:999px;transition:.18s ease}
.main-nav a:hover,.main-nav a:focus-visible{background:var(--blue-100);color:var(--blue-900)}
.language-switcher{display:flex;padding:3px;background:#e8ecf4;border:1px solid #d7deeb;border-radius:999px}
.language-switcher button{border:0;background:transparent;padding:7px 10px;border-radius:999px;color:#666d7c;font-size:11px;font-weight:900}
.language-switcher button.active{background:linear-gradient(145deg,var(--blue-700),var(--blue-900));color:#fff;box-shadow:0 3px 9px rgba(7,23,63,.22)}
.nav-toggle{display:none;border:0;background:transparent;color:var(--blue-900);font-size:24px}

/* Hero */
.hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(310px,.65fr);
  gap:50px;
  align-items:center;
  min-height:590px;
  padding:86px clamp(20px,7vw,112px) 112px;
  overflow:hidden;
  color:#fff;
  background:
    radial-gradient(circle at 88% 15%,rgba(255,255,255,.18),transparent 20%),
    radial-gradient(circle at 12% 110%,rgba(90,131,232,.55),transparent 34%),
    linear-gradient(150deg,var(--blue-950) 0%,var(--blue-900) 38%,var(--blue-600) 100%);
}
.hero::before{
  content:"WEB3";
  position:absolute;
  right:-2vw;
  bottom:-70px;
  color:rgba(255,255,255,.055);
  font-size:clamp(110px,22vw,330px);
  font-weight:900;
  letter-spacing:-.08em;
  line-height:.8;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:18px;
  background:linear-gradient(90deg,var(--blue-950),var(--blue-500),var(--blue-950));
  opacity:.55;
}
.hero-copy,.principle-card{position:relative;z-index:1}
.eyebrow{margin:0 0 15px;color:inherit;font-size:11px;font-weight:900;letter-spacing:.15em;text-transform:uppercase}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid rgba(255,255,255,.30);border-radius:999px;background:rgba(255,255,255,.09)}
.hero .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(86,185,71,.18)}
.hero h1{max-width:920px;margin:0;font-size:clamp(39px,5.7vw,72px);font-weight:900;line-height:1.02;letter-spacing:-.045em;text-wrap:balance}
.hero-intro{max-width:790px;margin:25px 0 32px;color:rgba(255,255,255,.86);font-size:16px;font-weight:500}
.hero-search{display:flex;max-width:790px;padding:6px;background:#fff;border:1px solid rgba(255,255,255,.55);border-radius:999px;box-shadow:0 18px 42px rgba(7,23,63,.28)}
.hero-search input{flex:1;min-width:0;border:0;outline:0;padding:13px 17px;background:transparent;color:var(--ink);font-size:13px}
.hero-search input::placeholder{color:#7b8190}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:45px;
  padding:10px 18px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:12px;
  font-weight:900;
  letter-spacing:.01em;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease;
}
.button:hover{transform:translateY(-1px)}
.button.primary{background:linear-gradient(145deg,var(--red),var(--red-dark));color:#fff;box-shadow:0 8px 18px rgba(187,40,45,.24)}
.button.primary:hover{box-shadow:0 11px 24px rgba(187,40,45,.32)}
.button.ghost{background:#fff;border-color:var(--line);color:var(--blue-900)}
.button.ghost:hover{border-color:var(--blue-500);background:var(--blue-100)}
.principle-card{
  padding:32px;
  color:var(--ink);
  background:rgba(255,250,241,.96);
  border:1px solid rgba(255,255,255,.7);
  border-radius:26px;
  box-shadow:0 24px 58px rgba(7,23,63,.30);
}
.principle-card .principle-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--green-soft);color:#28851f;font-size:25px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(86,185,71,.24)}
.principle-card h2{margin:22px 0 11px;color:var(--blue-950);font-size:27px;font-weight:900;letter-spacing:-.025em}
.principle-card p{margin:0;color:#555c68;font-size:14px;font-weight:500}

/* Stats */
.stats{
  position:relative;
  z-index:3;
  width:min(1120px,calc(100% - 40px));
  margin:-48px auto 0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  background:transparent;
  border:0;
}
.stats div{padding:23px 22px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-soft)}
.stats strong,.stats span{display:block}
.stats strong{color:var(--blue-900);font-size:30px;font-weight:900;letter-spacing:-.04em}
.stats span{margin-top:2px;color:var(--muted);font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}

/* Main sections */
.section{padding:88px clamp(20px,7vw,110px)}
.section-heading{display:grid;grid-template-columns:1fr minmax(280px,530px);gap:40px;align-items:end;margin-bottom:34px}
.section .eyebrow{color:var(--blue-700)}
.section h2{margin:0;color:var(--blue-950);font-size:clamp(32px,4vw,52px);font-weight:900;line-height:1.08;letter-spacing:-.035em;text-wrap:balance}
.section-heading>p{margin:0;color:var(--muted);font-size:14px;font-weight:500}
.archive-section{background:linear-gradient(180deg,var(--cream-2) 0%,#fff 45%,var(--cream-2) 100%)}
.filters{
  display:grid;
  grid-template-columns:2fr repeat(3,1fr) auto;
  gap:12px;
  align-items:end;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-top:5px solid var(--blue-700);
  border-radius:18px;
  box-shadow:var(--shadow-soft);
}
.field label{display:block;margin-bottom:7px;color:var(--blue-900);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.field input,.field select,.results-line select{width:100%;height:45px;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:#fbfcff;color:var(--ink);outline:0;font-size:12px}
.field input:focus,.field select:focus,.results-line select:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(90,131,232,.14)}
.results-line{display:flex;justify-content:space-between;align-items:center;margin:24px 0 17px;color:var(--muted);font-size:12px;font-weight:700}
.results-line select{width:auto;min-width:160px;background:#fff}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}
.article-card{
  position:relative;
  display:flex;
  flex-direction:column;
  min-height:410px;
  padding:23px;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 8px 20px rgba(7,23,63,.055);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.article-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--blue-900),var(--blue-500))}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.card-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:3px}
.source-name{color:var(--blue-900);font-size:12px;font-weight:900}
.language-badge,.type-badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:var(--blue-100);color:var(--blue-900);font-size:9px;font-weight:900;letter-spacing:.05em;text-transform:uppercase}
.article-card h3{margin:20px 0 11px;color:var(--ink);font-size:21px;font-weight:900;line-height:1.2;letter-spacing:-.025em}
.article-card .summary{margin:0 0 20px;color:var(--muted);font-size:12px;font-weight:500}
.meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
.tag{padding:5px 8px;border:1px solid var(--line);border-radius:999px;color:#626978;background:#fbfcff;font-size:9px;font-weight:700}
.card-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:10px;font-weight:600}
.card-footer time{color:var(--muted)}
.original-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:7px 11px;border-radius:999px;background:var(--red);color:#fff;font-weight:900;white-space:nowrap}
.original-link:hover{background:var(--red-dark)}
.provenance{margin-top:14px;padding:11px 12px;border-left:4px solid var(--gold);border-radius:8px;background:#fff7e6;color:#6d5b39;font-size:10px;font-weight:500}
.empty-state{text-align:center;padding:60px;background:#fff;border-radius:18px;border:1px dashed var(--line-strong)}
.empty-state h3{margin-top:0;color:var(--blue-900)}

/* Methodology — same alternating blue / cream rhythm as Welcome to Web3 */
.split-section{
  display:grid;
  grid-template-columns:minmax(0,.82fr) minmax(480px,1.18fr);
  gap:68px;
  color:#fff;
  background:
    radial-gradient(circle at 90% 10%,rgba(255,255,255,.12),transparent 22%),
    linear-gradient(145deg,var(--blue-950),var(--blue-900) 55%,var(--blue-700));
}
.split-section .eyebrow{color:#bcd0ff}
.split-section h2{color:#fff}
.split-section>div:first-child p:last-child{color:rgba(255,255,255,.78);font-size:15px;font-weight:500}
.method-list{display:grid;gap:13px}
.method-list article{display:grid;grid-template-columns:45px 1fr;gap:16px;padding:18px;border:1px solid rgba(255,255,255,.20);border-radius:15px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}
.method-list article>span{display:grid;place-items:center;width:41px;height:41px;border-radius:50%;background:#fff;color:var(--blue-900);font-weight:900;box-shadow:0 0 0 5px rgba(255,255,255,.10)}
.method-list h3{margin:0 0 5px;font-size:15px;font-weight:900}
.method-list p{margin:0;color:rgba(255,255,255,.76);font-size:11px;font-weight:500}

.about-section{background:var(--cream)}
.about-card{max-width:1000px;padding:48px;background:#fff;border:1px solid #e7ddca;border-radius:22px;box-shadow:var(--shadow-soft)}
.about-card>p:not(.eyebrow){font-size:15px;color:var(--muted);font-weight:500}
.about-card .legal{padding-top:20px;border-top:1px solid var(--line);font-size:11px!important}

.submit-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;background:#fff}
.submit-section>div>p:last-child{color:var(--muted);font-size:14px;font-weight:500}
.submission-form{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:27px;background:var(--cream-2);border:1px solid #e8dfd0;border-top:5px solid var(--blue-700);border-radius:18px;box-shadow:var(--shadow-soft)}
.submission-form label span{display:block;margin-bottom:7px;color:var(--blue-900);font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.05em}
.submission-form input,.submission-form textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;outline:0;font-size:12px}
.submission-form input:focus,.submission-form textarea:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(90,131,232,.13)}
.submission-form .full{grid-column:1/-1}
.submission-form textarea{resize:vertical}
.submission-form #submissionStatus{margin:0;align-self:center;color:var(--blue-900);font-size:11px;font-weight:700}

footer{
  display:grid;
  grid-template-columns:1fr auto;
  gap:30px;
  padding:40px clamp(20px,7vw,110px);
  color:#fff;
  background:#090909;
  border-top:8px solid var(--blue-900);
}
footer strong{font-weight:900}
footer p{margin:5px 0 0;color:#aeb3bd;font-size:11px}
footer>div:nth-child(2){display:flex;gap:20px;font-size:11px;font-weight:800}
footer>div:nth-child(2) a:hover{color:#93b0ff}
.copyright{grid-column:1/-1;padding-top:21px;border-top:1px solid rgba(255,255,255,.12)}

@media(max-width:1050px){
  .hero{grid-template-columns:1fr}.principle-card{max-width:660px}.article-grid{grid-template-columns:repeat(2,1fr)}
  .filters{grid-template-columns:2fr 1fr 1fr}.split-section,.submit-section{grid-template-columns:1fr}.main-nav{gap:1px}.stats div{padding:21px}
}
@media(max-width:760px){
  html{scroll-padding-top:78px}
  .site-header{grid-template-columns:1fr auto auto;gap:10px;min-height:72px;padding:10px 15px;border-top-width:4px}
  .nav-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;left:14px;right:14px;flex-direction:column;align-items:stretch;padding:14px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}.main-nav a{padding:11px 12px}.brand small{display:none}.brand strong{font-size:12px}.brand-mark{width:39px;height:39px;flex-basis:39px}
  .hero{padding:56px 18px 88px;min-height:auto;gap:30px}.hero h1{font-size:39px}.hero-intro{font-size:14px}.hero-search{display:grid;border-radius:17px}.hero-search .button{margin-top:2px}
  .principle-card{padding:25px}.stats{grid-template-columns:repeat(2,1fr);margin-top:-38px}.stats strong{font-size:26px}.stats div{padding:18px 16px}
  .section{padding:68px 18px}.section-heading{grid-template-columns:1fr;gap:16px}.filters{grid-template-columns:1fr;padding:16px}.article-grid{grid-template-columns:1fr}.article-card{min-height:auto}
  .split-section{gap:40px}.submission-form{grid-template-columns:1fr}.submission-form label{grid-column:1/-1}
  footer{grid-template-columns:1fr;padding:34px 18px}footer>div:nth-child(2){flex-wrap:wrap}.copyright{grid-column:1}.language-switcher button{padding:6px 7px}
}
@media(max-width:420px){
  .brand strong{max-width:125px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .hero h1{font-size:34px}.stats{gap:8px;width:calc(100% - 24px)}.stats span{font-size:8px}.language-switcher{padding:2px}.language-switcher button{font-size:9px}
}

/* Step 15B — clear separation between media coverage and public-source records */
.filters{grid-template-columns:2fr repeat(4,minmax(130px,1fr)) auto}
.archive-group{margin-top:30px}
.archive-group+.archive-group{margin-top:62px;padding-top:55px;border-top:1px solid var(--line)}
.archive-group-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;margin-bottom:22px;padding:22px 24px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.archive-group-heading>div{max-width:760px}
.archive-group-heading h3{margin:4px 0 7px;color:var(--blue-950);font-size:clamp(25px,3vw,36px);font-weight:900;line-height:1.1;letter-spacing:-.03em}
.archive-group-heading p{margin:0;color:var(--muted);font-size:12px;font-weight:500}
.group-kicker{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--blue-100);color:var(--blue-900);font-size:9px;font-weight:900;letter-spacing:.08em}
.public-group .group-kicker{background:#fff1d4;color:#775510}
.group-count{display:grid;place-items:center;min-width:54px;height:54px;padding:0 13px;border-radius:16px;background:linear-gradient(145deg,var(--blue-700),var(--blue-950));color:#fff;font-size:22px;font-weight:900;box-shadow:0 9px 20px rgba(7,23,63,.18)}
.public-group .group-count{background:linear-gradient(145deg,#d99d31,#8a5b0b)}
.section-row{margin-top:14px}
.section-badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:8px;font-weight:900;letter-spacing:.055em;text-transform:uppercase}
.section-badge.media{background:var(--green-soft);color:#287c21}
.section-badge.public{background:#fff0cf;color:#79570d}
.article-card.public-record::before{background:linear-gradient(90deg,#8a5b0b,var(--gold))}
.source-context{display:grid;gap:4px;margin-top:14px;padding:12px 13px;border-left:4px solid var(--blue-600);border-radius:9px;background:#eef3ff;color:#4f5c78;font-size:10px;font-weight:500}
.public-record .source-context{border-left-color:var(--gold);background:#fff7e7;color:#6d5b39}
.source-context strong{color:var(--blue-900);font-size:8px;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.public-record .source-context strong{color:#775510}

@media(max-width:1250px){.filters{grid-template-columns:2fr repeat(2,1fr)}.filters .button{min-height:45px}}
@media(max-width:760px){.filters{grid-template-columns:1fr}.archive-group-heading{padding:19px}.archive-group+.archive-group{margin-top:45px;padding-top:42px}.group-count{min-width:46px;height:46px;font-size:19px}}


/* Step 18 — optional article images with balanced square and landscape cards */
.article-grid{align-items:stretch}
.article-card{height:100%}
.card-heading{min-width:0}
.article-image{position:relative;overflow:hidden;background:#e9eef9}
.article-image img{display:block;width:100%;height:100%;object-fit:cover}
.article-image figcaption{
  position:absolute;
  right:8px;
  bottom:8px;
  max-width:calc(100% - 16px);
  padding:5px 7px;
  border-radius:8px;
  background:rgba(8,20,50,.82);
  color:#fff;
  font-size:8px;
  font-weight:700;
  line-height:1.25;
  backdrop-filter:blur(5px);
}
.article-image figcaption a{color:#fff}
.article-image.landscape{
  aspect-ratio:16/9;
  margin:-23px -23px 20px;
  border-bottom:1px solid var(--line);
}
.article-image.square{
  width:112px;
  aspect-ratio:1;
  margin:0;
  border:1px solid var(--line);
  border-radius:14px;
}
.square-card-intro{
  display:grid;
  grid-template-columns:112px minmax(0,1fr);
  align-items:start;
  gap:16px;
}
.square-card-intro .section-row{margin-top:10px}
.square-card-intro .article-card h3,
.image-square h3{margin-top:14px}
.image-landscape .card-top{margin-top:0}
.image-landscape .card-heading h3{margin-top:17px}
.image-square .summary{margin-top:19px}
.article-card.has-image .meta{margin-top:auto}

@media(max-width:1050px){
  .article-image.square{width:126px}
  .square-card-intro{grid-template-columns:126px minmax(0,1fr)}
}
@media(max-width:760px){
  .square-card-intro{grid-template-columns:1fr}
  .article-image.square{width:min(220px,100%);margin:0 auto 4px}
  .image-square .summary{margin-top:16px}
}