/* Impact of AI: Explored — site stylesheet (v2 design: dark neon-tech, orange/blue accents) */

:root {
  --bg: #05070d;
  --bg-alt: #070b13;
  --bg-alt-2: #080c15;
  --bg-foot: #04060b;
  --surface: #0a0f1a;
  --surface-2: #0d1524;
  --text: #e8eef7;
  --muted: #9fb2ca;
  --faint: #7f93ab;
  --faint-2: #6d7f96;
  --faintest: #556479;
  --blue: #4aa8ff;
  --blue-dim: #2f7fe0;
  --orange: #f29130;
  --orange-dim: #e0761a;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.2);
  --border-blue: rgba(74, 168, 255, 0.2);
  --border-orange: rgba(242, 145, 48, 0.22);
  --font-head: "Oswald", Helvetica, Arial, sans-serif;
  --font-body: "Space Grotesk", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --maxw: 1280px;
  --maxw-article: 760px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
body { font-family: var(--font-body); color: var(--text); -webkit-font-smoothing: antialiased; line-height: 1.5; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--orange); }
img { max-width: 100%; display: block; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-head); text-transform: uppercase; color: #fff; }

@keyframes ioaSpin { to { transform: rotate(360deg); } }
@keyframes ioaPulse { 0%, 100% { opacity: .35; } 50% { opacity: .9; } }
@keyframes ioaDrift { 0% { background-position: 0 0, 0 0; } 100% { background-position: 120px 60px, -120px -60px; } }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(16px, 4vw, 56px); }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--orange); }
.eyebrow-blue { color: var(--blue); }
.label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px clamp(16px, 4vw, 56px);
  background: rgba(5, 7, 13, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-blue);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; flex: 0 0 auto; overflow: hidden; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 17px; letter-spacing: 0.06em; color: #fff; text-transform: uppercase; }
.brand-name .accent { color: var(--orange); }
.brand-badge { font-family: var(--font-head); font-size: 12px; letter-spacing: 0.28em; color: #fff; text-transform: uppercase; border: 1.5px solid var(--orange); border-radius: 40px; padding: 3px 10px 2px; }
.main-nav { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 34px); font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; font-family: var(--font-mono); }
.main-nav a { color: var(--muted); }
.main-nav a.active { color: #fff; }
.nav-toggle { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 15px 24px; border-radius: 40px; border: 0; cursor: pointer; }
.btn-sm { padding: 12px 20px; font-size: 12px; }
.btn-orange { background: linear-gradient(100deg, var(--orange), var(--orange-dim)); color: #0a0603; box-shadow: 0 12px 40px rgba(242,145,48,.28); }
.btn-orange:hover { color: #0a0603; opacity: 0.92; }
.btn-blue { background: var(--blue); color: var(--bg); }
.btn-blue:hover { color: var(--bg); opacity: 0.92; }
.btn-outline { color: var(--text); border: 1px solid var(--border-strong); background: rgba(74,168,255,.06); }
.btn-outline:hover { color: var(--text); background: rgba(74,168,255,.16); }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; padding: 10px 18px; border-radius: 40px; border: 1px solid var(--border-strong); color: var(--muted); }
.chip:hover { color: var(--text); border-color: var(--blue); }
.chip.is-active { background: var(--blue); color: var(--bg); border-color: var(--blue); }

/* Hero */
.hero {
  position: relative;
  padding: clamp(48px, 7vw, 110px) clamp(16px, 4vw, 56px) clamp(40px, 6vw, 90px);
  background: radial-gradient(900px 600px at 78% 18%, rgba(74,168,255,.22), transparent 62%), radial-gradient(700px 520px at 10% 82%, rgba(242,145,48,.14), transparent 60%), var(--bg);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(74,168,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(74,168,255,.07) 1px, transparent 1px);
  background-size: 64px 64px; animation: ioaDrift 26s linear infinite; pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: clamp(28px, 5vw, 64px); align-items: center; max-width: var(--maxw); margin: 0 auto; }
.hero h1 { font-weight: 700; font-size: clamp(42px, 6.4vw, 86px); line-height: .94; letter-spacing: -0.01em; margin: 0 0 22px; text-wrap: balance; }
.hero h1 .grad { background: linear-gradient(96deg, var(--blue) 0%, #79c4ff 45%, var(--orange) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lede { font-size: clamp(16px, 1.35vw, 19px); line-height: 1.65; color: var(--muted); max-width: 56ch; margin: 0 0 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-figure { position: relative; display: grid; place-items: center; min-height: clamp(300px, 34vw, 460px); }
.hero-figure .ring-1 { position: absolute; width: min(78%, 420px); aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(74,168,255,.35); box-shadow: 0 0 90px rgba(74,168,255,.28); }
.hero-figure .ring-2 { position: absolute; width: min(94%, 510px); aspect-ratio: 1; border-radius: 50%; border: 1px dashed rgba(242,145,48,.28); animation: ioaSpin 48s linear infinite; }
.hero-figure img { position: relative; display: block; width: min(74%, 380px); border-radius: 20px; border: 1px solid rgba(74,168,255,.28); box-shadow: 0 0 70px rgba(74,168,255,.22); }
.hero-figure .placeholder { position: relative; width: min(74%, 380px); aspect-ratio: 4/3; border-radius: 20px; border: 1px solid rgba(74,168,255,.28); display: grid; place-items: center; background: var(--surface); color: var(--faint); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }

.stats { position: relative; max-width: var(--maxw); margin: clamp(40px, 6vw, 80px) auto 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; background: var(--border-blue); border: 1px solid var(--border-blue); border-radius: 18px; overflow: hidden; }
.stats > div { background: var(--bg-alt-2); padding: 26px 28px; }
.stats .num { font-family: var(--font-head); font-size: 38px; color: #fff; line-height: 1; }
.stats .num.blue { color: var(--blue); }
.stats .num.orange { color: var(--orange); }
.stats .cap { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint); margin-top: 8px; }

/* Sections */
.section { padding: clamp(48px, 6vw, 96px) clamp(16px, 4vw, 56px); border-top: 1px solid var(--border); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
.section-head h2 { font-size: clamp(26px, 3vw, 42px); }
.section-head a.more { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange); }

.page-head { padding: clamp(48px, 6vw, 90px) clamp(16px, 4vw, 56px) clamp(28px, 4vw, 44px); background: radial-gradient(800px 500px at 15% 0%, rgba(242,145,48,.1), transparent 60%), var(--bg); }
.page-head h1 { font-weight: 700; font-size: clamp(36px, 6vw, 68px); line-height: 0.98; letter-spacing: -0.01em; }
.page-head p.lede { color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.6; margin: 16px 0 0; max-width: 60ch; }

/* Cards */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: var(--surface); }
.card:hover { border-color: rgba(74,168,255,.5); }
.card-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--surface-2); }
.card-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(5,7,13,.6)); }
.card-thumb .placeholder { position: absolute; inset: 0; display: grid; place-items: center; color: var(--faint); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-body h3 { font-size: 20px; line-height: 1.15; }
.card-body p { color: var(--muted); font-size: 14px; line-height: 1.6; flex: 1; }

/* Row list */
.row-list a { display: grid; grid-template-columns: 70px minmax(0,1fr) auto; gap: 20px; align-items: center; padding: 18px 0; border-top: 1px solid var(--border); }
.row-list a:last-child { border-bottom: 1px solid var(--border); }
.row-list a:hover { background: rgba(255,255,255,.02); }
.row-num { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em; color: var(--orange); }
.row-title { display: block; font-family: var(--font-head); text-transform: uppercase; font-size: clamp(17px, 2vw, 22px); color: #fff; }
.row-sub { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; font-family: var(--font-mono); letter-spacing: 0.06em; }
.row-cat { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); white-space: nowrap; }

/* Panels (topics, guest, about teaser) */
.panel { border: 1px solid var(--border); border-radius: 18px; padding: 28px; background: var(--surface); }
.panel-blue { border-color: var(--border-blue); }
.panel-orange { border-color: var(--border-orange); }
.panel-num { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-family: var(--font-mono); font-weight: 700; margin-bottom: 18px; }
.panel h3 { font-size: 21px; margin: 0 0 10px; }
.panel p { color: var(--muted); font-size: 15px; line-height: 1.65; }

.cta-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(24px, 3vw, 40px); }
.cta-panel { border: 1px solid var(--border-strong); border-radius: 22px; padding: clamp(26px, 3vw, 40px); background: var(--surface); display: flex; flex-direction: column; gap: 18px; }
.cta-panel.blue { border-color: rgba(74,168,255,.25); background: radial-gradient(500px 300px at 100% 0%, rgba(74,168,255,.16), transparent 65%), var(--surface); }
.cta-panel h2 { font-size: clamp(24px, 2.6vw, 36px); line-height: 1.05; }
.cta-panel p { color: var(--muted); font-size: 16px; line-height: 1.65; }

/* Article / episode page */
.article { max-width: var(--maxw-article); margin: 0 auto; padding: clamp(20px, 4vw, 48px) clamp(16px, 4vw, 0) clamp(48px, 7vw, 88px); }
.article h1 { font-weight: 700; font-size: clamp(32px, 5vw, 56px); line-height: 1; text-wrap: balance; }
.article .lede { color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.6; margin: 18px 0 0; }
.article-meta { display: flex; align-items: center; gap: 12px; padding: 18px 0; margin-top: 24px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); flex-wrap: wrap; }
.video-embed { position: relative; aspect-ratio: 16/9; border-radius: 16px; overflow: hidden; background: var(--surface-2); margin: 28px 0; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.prose { font-size: 17px; line-height: 1.75; color: #cfdaea; }
.prose p { margin: 0 0 22px; }
.prose h2 { font-size: clamp(22px, 3vw, 32px); margin: 40px 0 14px; color: #fff; }
.prose h3 { font-size: 20px; margin: 30px 0 12px; color: #fff; }
.prose ul { margin: 0 0 24px; padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose blockquote { margin: 32px 0; padding: 24px; border: 1px solid var(--border-blue); border-radius: 16px; background: var(--surface); font-family: var(--font-head); text-transform: none; font-size: clamp(20px, 2.6vw, 28px); line-height: 1.2; color: #fff; }
.prose blockquote cite { display: block; font-family: var(--font-mono); font-style: normal; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-top: 14px; }
.related { border-top: 1px solid var(--border); margin-top: 48px; padding-top: 28px; }
.related h3 { font-size: 13px; letter-spacing: 0.2em; color: var(--faint); margin-bottom: 20px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.related-grid a { display: block; padding: 18px; border: 1px solid var(--border); border-radius: 14px; }
.related-grid a:hover { border-color: var(--border-blue); }

/* Contact list */
.contact-list > div { padding: 16px 0; border-top: 1px solid var(--border); }
.contact-list > div:last-child { border-bottom: 1px solid var(--border); }
.contact-list .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--orange); margin-bottom: 5px; }
.contact-list .v { color: #cfdaea; margin: 0; }

/* Hosts / about */
.host-card { border: 1px solid var(--border); border-radius: 18px; padding: 24px; background: var(--surface); }
.host-avatar { width: 140px; height: 140px; border-radius: 50%; border: 3px solid var(--blue); display: grid; place-items: center; margin-bottom: 20px; background: var(--surface-2); }

.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(24px, 4vw, 56px); }

/* Newsletter-style band (decorative, no real backend) */
.band { padding: clamp(48px, 6vw, 90px) clamp(16px, 4vw, 56px); text-align: center; background: linear-gradient(180deg, var(--bg), #04060b); border-top: 1px solid var(--border); }
.band h2 { font-size: clamp(26px, 3.2vw, 44px); line-height: 1.02; margin: 0 0 14px; }
.band p { color: var(--muted); font-size: 17px; margin: 0 0 30px; }

/* Footer */
.site-footer { padding: clamp(34px, 4vw, 56px) clamp(16px, 4vw, 56px); border-top: 1px solid var(--border); background: var(--bg-foot); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; flex-direction: column; gap: 6px; }
.footer-brand .name { font-family: var(--font-head); font-weight: 700; font-size: 16px; letter-spacing: 0.06em; color: #fff; text-transform: uppercase; }
.footer-brand .tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint-2); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }
.footer-nav a { color: var(--muted); }
.footer-copy { font-family: var(--font-mono); font-size: 11px; color: var(--faintest); }

@media (max-width: 680px) {
  .site-header { flex-wrap: wrap; }
  .brand-name { font-size: 14px; white-space: nowrap; }
  .brand-badge { font-size: 10px; padding: 2px 8px 1px; }
  .main-nav { display: none; }
  .main-nav.is-open { display: flex; flex-wrap: wrap; width: 100%; order: 99; margin-top: 12px; gap: 16px; }
  .nav-toggle { display: inline-flex; margin-left: auto; background: none; border: 1px solid var(--border-strong); color: var(--text); border-radius: 40px; padding: 8px 16px; font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 11px; cursor: pointer; }
}