/* ============================================================================
   ATMOsphere Webinars, hub pages (index.html, speakers/).
   Tokens + family header + hero + bento + footer. Webinar folders (hanon/…)
   keep their own self-contained css/styles.css.
   ========================================================================== */
:root{
  /* ATMO palette (atmo-design-system v2.2, as shipped on atmosphere.cool 2026).
     Family ground = institutional #104894; Webinars' own tone = institutional-70
     #155EC2 (hero stage, eyebrows, links, accents). */
  --inst-95:#081c36; --inst-90:#0b3266; --inst-80:#104894; --webinar:#155ec2;
  --inst-30:#adccf6; --inst-20:#d2e3fa; --inst-10:#f1f7fe;
  --blue-40:#7abdea; --blue-30:#a6d3f1; --blue-20:#cae4f6;
  --cool-10:#f7f8fa; --cool-20:#e6e8ec; --cool-60:#767a84; --cool-70:#565a63; --cool-80:#353841; --cool-90:#1a1c21;
  /* aliases used by the shared header */
  --blue-80:var(--inst-80); --blue-70:var(--webinar); --blue-10:var(--inst-10);
  --ink:var(--cool-90); --body:var(--cool-80); --muted:var(--cool-60); --line:var(--cool-20); --bg-soft:var(--cool-10);
  --font:"Inter",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--body);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}
a{color:var(--webinar)}
/* Display = Inter 500, tight tracking (Intelligence .display-flood). Weight
   contrast comes from UI: buttons, numbers and small titles stay 600-700. */
h1,h2,h3{color:var(--ink);font-weight:600;letter-spacing:-0.02em}
h1,h2{font-weight:500;letter-spacing:-0.03em}
.figures{font-variant-numeric:tabular-nums}
.wrap{max-width:1152px;margin:0 auto;padding:0 32px}
::selection{background:var(--blue-20);color:var(--ink)}

/* ---------- header: network bar + navy utility strip + white main bar (ATMO family) ---------- */
.site-header{position:sticky;top:0;z-index:50}

/* Network bar (family switcher) — ported 1:1 from atmo-design-system's
   src/components/nav/NetworkBar.tsx (itself matching the reference build
   on atmosphere-2026, confirmed 2026-09-09): 44px row, every control a
   44px touch target (§7). ≥960px shows the full property row; <960px
   collapses to a native <details> switcher showing the current
   property — no JS, no horizontal scroll, nothing off-canvas. */
.nb{background:#104894;color:#d2e3fa;font-size:13px}
/* Matches .wrap's flat 32px gutter below, so the network bar shares the
   exact same left/right edge as the util strip and main bar — and every
   other property's nav (2026-09-14 unification). */
.nb-in{display:flex;align-items:center;padding:0 32px;height:44px}
.nb-nav{display:flex;align-items:stretch;height:100%}
.nb-row{display:flex;list-style:none;align-items:stretch;gap:2px;height:100%;margin:0;padding:0}
.nb-row a{position:relative;display:flex;align-items:center;padding:0 12px;height:100%;color:#d2e3fa;text-decoration:none;white-space:nowrap;transition:background .12s,color .12s}
.nb-row a:hover{background:rgba(255,255,255,.08);color:#fff}
.nb-row a.active{color:#fff;background:rgba(255,255,255,.06)}
.nb-row a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:#7abdea}
.nb-menu{display:none}
.nb-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.nb-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nb-right>a:not(.nb-pill){color:#d2e3fa;text-decoration:none;transition:color .12s}
.nb-right>a:not(.nb-pill):hover{color:#fff}
.nb-socials{display:inline-flex;align-items:center}
.nb-socials a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;color:#d2e3fa;transition:color .12s}
.nb-socials a:hover{color:#fff}
.nb-socials svg{display:block;width:16px;height:16px;fill:currentColor}
.nb-pill{position:relative;display:inline-flex;align-items:center;border:1px solid #adccf6;border-radius:999px;padding:6px 14px;min-height:30px;font-weight:600;color:#fff;text-decoration:none;white-space:nowrap}
.nb-pill::before{content:"";position:absolute;inset:-7px 0}
.nb-pill:hover{background:rgba(255,255,255,.1)}
@media (max-width:1199px){
  .nb-row a{white-space:nowrap;padding:0 9px}
  .nb-socials{display:none}
}
@media (max-width:959px){
  .nb-row{display:none}
  .nb-menu{display:block;position:relative;height:100%}
  .nb-menu>summary{list-style:none;cursor:pointer;position:relative;display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;color:#fff;font-weight:500;background:rgba(255,255,255,.06)}
  .nb-menu>summary::-webkit-details-marker{display:none}
  .nb-menu>summary::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:#7abdea}
  .nb-menu>summary svg{transition:transform .15s}
  .nb-menu[open]>summary svg{transform:rotate(180deg)}
  .nb-um-list{position:absolute;left:0;top:100%;min-width:264px;list-style:none;margin:0;padding:6px 0;background:#104894;border:1px solid rgba(255,255,255,.14);border-top:0;z-index:70}
  .nb-um-list a{display:flex;align-items:center;min-height:44px;padding:0 16px;border-left:2px solid transparent;color:#d2e3fa;text-decoration:none}
  .nb-um-list a:hover,.nb-um-list a:focus-visible,.nb-um-list a.active{color:#fff;background:rgba(255,255,255,.08)}
  .nb-um-list a.active{border-left-color:#7abdea}
  .nb-um-list a.active::after,.nb-um-list a:hover::after{display:none}
  .nb-right{padding-left:14px}
}
@media (prefers-reduced-motion: reduce){
  .nb-menu>summary svg{transition:none}
}

.main-bar{background:#fff;border-bottom:1px solid var(--line)}
/* Stays full-bleed (not .wrap's restored max-width/centering below) —
   the header row's own gutter matches the network bar's and must not
   move (2026-09-14). */
.main-inner{display:flex;align-items:center;gap:32px;height:76px;max-width:none;margin:0}
.brand{flex:none}
.brand img{height:56px;width:auto;display:block}
.main-nav{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:32px}
.nav-item{position:relative;display:flex;align-items:center}
.nav-item>a,.nav-item>span{display:inline-flex;align-items:center;gap:6px;color:var(--blue-80);font-size:15px;font-weight:500;text-decoration:none;cursor:pointer;transition:opacity .15s;white-space:nowrap}
.nav-item:hover>a,.nav-item:hover>span{opacity:.7}
.caret{width:10px;height:10px;opacity:.7}
.dropdown{position:absolute;left:50%;top:100%;transform:translateX(-50%) translateY(8px);opacity:0;visibility:hidden;transition:all .15s ease;padding-top:14px}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown-inner{min-width:236px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 14px 34px rgba(11,50,102,.14);padding:8px}
.dropdown a{display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--body);text-decoration:none;transition:background .12s}
.dropdown a:hover{background:var(--bg-soft)}
.dropdown a.active{color:var(--blue-80);font-weight:700;background:var(--blue-10)}
.hamburger{display:none;margin-left:auto;width:40px;height:40px;align-items:center;justify-content:center;background:none;border:0;color:var(--blue-80);cursor:pointer}
.mobile-menu{display:none;background:#fff;border-bottom:1px solid var(--line)}
.mobile-menu.open{display:block}
.mobile-menu .wrap{padding:16px 32px}
.mobile-menu a{display:block;padding:10px 0;color:var(--blue-80);font-size:16px;font-weight:500;text-decoration:none}
.mobile-menu .mm-group{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:12px}
.mobile-menu .mm-sub a{padding:7px 0 7px 12px;font-size:15px;color:var(--body)}

/* ---------- page ground + shared type (atmosphere.cool 2026 register) ---------- */
body{background:var(--cool-10)}
.mono-label{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--webinar);margin:0}
:focus-visible{outline:2px solid var(--inst-80);outline-offset:2px}

/* ---------- pills (buttons) ---------- */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border-radius:999px;font-weight:600;font-size:14.5px;text-decoration:none;white-space:nowrap;transition:background .12s,border-color .12s,color .12s,transform .12s}
.pill-cta{background:var(--inst-80);color:#fff;padding:10px 22px}
.pill-cta:hover{background:var(--inst-90)}
.pill-hero{background:#fff;color:var(--cool-90);padding:13px 26px}
.pill-hero:hover{transform:translateY(-1px)}
.pill-outline-dark{border:1px solid var(--blue-40);color:#fff;padding:12px 25px}
.pill-outline-dark:hover{background:rgba(255,255,255,.1);border-color:#fff}
.arr{display:inline-block;transition:transform .15s}
a:hover .arr{transform:translateX(3px)}
:is(.stage,.b-dark) :focus-visible{outline-color:var(--blue-40)}

/* ---------- hero: family flood band framing the night stage (Intelligence
   frame). The webinar tone #155EC2 lives in the dot field (js/hero-field.js),
   not as a second flat blue. ---------- */
.flood{background:var(--inst-80);padding:clamp(10px,1.5vw,20px) 16px}
.stage{position:relative;overflow:hidden;background:var(--inst-95);color:#fff;border-radius:6px}
.stage>canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
/* Full-bleed like Intelligence: 16px flood + 16px here = 32px, the nav's
   gutter, so the headline lines up with the logo on every screen width. */
.stage-in{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:end;padding:128px 16px 64px;min-height:max(600px,calc(100svh - 160px))}
.stage .mono-label{color:var(--blue-30)}
.stage h1{color:#fff;font-size:clamp(44px,6vw,80px);line-height:.98;letter-spacing:-.03em;margin:20px 0 0;max-width:12ch}
.hero-lead{font-size:17px;line-height:1.55;color:var(--inst-20);max-width:46ch;margin:24px 0 0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 0}

/* featured webinar card (filled by js/webinars.js; static fallback in HTML) */
/* centred in the right half; the broadcast rings spread evenly round it */
#featured{position:relative;align-self:center;justify-self:center;width:min(100%,440px)}
.feature{display:block;background:#fff;color:var(--cool-80);border-radius:6px;overflow:hidden;text-decoration:none;transition:transform .2s}
.feature:hover{transform:translateY(-2px)}
.feature-media{display:block;aspect-ratio:1201/721;background:var(--inst-10);overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.feature:hover .feature-media img{transform:scale(1.03)}
.feature-body{display:flex;flex-direction:column;align-items:flex-start;padding:22px 24px 24px}
.stage .feature .mono-label{color:var(--webinar)}
.feature-title{display:block;margin:10px 0 0;font-size:20px;line-height:1.25;font-weight:600;letter-spacing:-.015em;color:var(--cool-90)}
.feature-cta{display:inline-block;margin:14px 0 0;font-weight:600;font-size:14.5px;color:var(--webinar)}
.feature-up .feature-body{padding:28px 28px 28px}
.feature-status{display:flex;align-items:center;gap:10px}
.live-dot{position:relative;width:8px;height:8px;border-radius:50%;background:var(--webinar);flex:none}
.live-dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px solid var(--webinar);animation:live 2.2s ease-out infinite}
@keyframes live{from{transform:scale(.5);opacity:1}to{transform:scale(1.9);opacity:0}}
.feature-partner{margin:18px 0 0;font-size:14px;font-weight:600;color:var(--webinar)}
.feature-up .feature-title{margin-top:6px;font-size:23px;line-height:1.2}
.feature-when{margin:12px 0 0;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--cool-70)}
.feature-up .pill{margin-top:22px}
.feature-summary{margin:10px 0 0;font-size:14.5px;line-height:1.55;color:var(--cool-70)}
.feature-speakers{display:flex;align-items:center;gap:12px;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line);width:100%}
.feature-faces{display:flex;flex:none}
.feature-faces img{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid #fff;background:var(--inst-10);margin-left:-8px}
.feature-faces img:first-child{margin-left:0}
.feature-names{display:flex;flex-direction:column;gap:2px;font-size:13px;line-height:1.35;color:var(--cool-70)}
.feature-names b{font-weight:600;color:var(--cool-90)}

/* countdown (mono, tabular) */
.countdown{display:flex;gap:8px;margin:20px 0 0}
.cd{display:flex;flex-direction:column;align-items:center;min-width:62px;padding:10px 8px 8px;border:1px solid var(--line);border-radius:6px}
.cd b{font-size:24px;font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--inst-80);font-variant-numeric:tabular-nums}
.cd i{font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--cool-60);margin-top:6px}

.stage-in{z-index:1}

/* ---------- webinars: bento ---------- */
.section{padding:104px 0 112px}
.sec-head{max-width:760px;margin:0 0 56px}
.sec-head h2{font-size:clamp(36px,4.6vw,60px);line-height:1.05;letter-spacing:-.03em;margin:16px 0 0}
.sec-head p{font-size:16px;color:var(--cool-70);max-width:58ch;margin:18px 0 0}
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.b-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;text-decoration:none;color:inherit;transition:border-color .2s}
a.b-card:hover{border-color:var(--blue-30)}
.b-lead{grid-column:span 2;grid-row:span 2}
.b-tall{grid-row:span 2}
.b-media{aspect-ratio:1201/721;overflow:hidden;background:var(--inst-10)}
.b-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
a.b-card:hover .b-media img{transform:scale(1.03)}
.b-body{display:flex;flex-direction:column;flex:1;padding:32px 36px 34px}
.b-tile .b-body,.b-tall .b-body{padding:28px 30px 30px}
.b-card h3{font-size:clamp(26px,2.6vw,34px);font-weight:500;line-height:1.1;letter-spacing:-.02em;margin:14px 0 0}
.b-tile h3,.b-tall h3{font-size:23px;line-height:1.2;letter-spacing:-.015em}
.b-card :where(p:not(.mono-label,.b-date)){font-size:16px;line-height:1.6;color:var(--cool-80);max-width:52ch;margin:14px 0 0}
:is(.b-tile,.b-tall) :where(p:not(.mono-label)){font-size:15px}
.b-cta{margin-top:auto;padding-top:24px;font-weight:600;font-size:14.5px;color:var(--webinar)}
.b-card .pill{align-self:flex-start}
.b-tile .pill{margin-top:auto}
.b-tile p+.pill{margin-top:24px}

/* dark tile (#104894 + dot grid): the upcoming webinar */
.b-dark{background:var(--inst-80);border-color:var(--inst-80);color:#fff}
.b-dark::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);background-size:26px 26px}
.b-dark .b-body{position:relative}
.b-dark .mono-label{color:var(--inst-20)}
.b-dark h3{color:#fff}
.b-dark p{color:var(--inst-20)}
:is(.stage,.b-dark) :focus-visible{outline-color:var(--blue-40)}
.b-up .b-body{padding:40px 44px 44px}
.b-up-top{display:flex;align-items:center;gap:10px}
.b-up .live-dot{background:var(--blue-40)}
.b-up .live-dot::after{border-color:var(--blue-40)}
/* Intelligence .dot-matrix: real text, dotted fill */
.dot-matrix{--dm-cell:.07em;background-image:radial-gradient(circle at center,var(--dm-dot,#cfe4ff) 42%,transparent 46%);background-size:var(--dm-cell) var(--dm-cell);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.b-up .b-date{font-size:clamp(64px,9vw,128px);font-weight:700;line-height:.9;letter-spacing:-.03em;margin:28px 0 0;--dm-cell:.075em}
.b-up h3{margin-top:22px;max-width:22ch}
.b-facts{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.b-facts li{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#fff;border:1px solid rgba(255,255,255,.28);border-radius:6px;padding:6px 12px}
.b-up .countdown{margin-top:26px}
.b-up .cd{border-color:rgba(255,255,255,.28)}
.b-up .cd b{color:#fff}
.b-up .cd i{color:var(--inst-20)}
.b-up-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:auto;padding-top:32px}
.todo{outline:1px dashed rgba(248,227,93,.7);outline-offset:3px}

/* speakers tile */
.faces{display:flex;margin:4px 0 0}
.faces img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:3px solid #fff;background:var(--inst-10);margin-left:-12px}
.faces img:first-child{margin-left:0}

/* ---------- speakers page ---------- */
.stage-short .stage-in{grid-template-columns:1fr;min-height:0;padding-top:112px;padding-bottom:72px}
.stage-short h1{max-width:18ch}
.crumb{color:inherit;text-decoration:none;border-bottom:1px solid rgba(166,211,241,.4)}
.crumb:hover{color:#fff;border-bottom-color:#fff}
.people{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.person-card{scroll-margin-top:140px}
.person-card:target{border-color:var(--webinar);box-shadow:0 0 0 1px var(--webinar)}
/* round portraits: source photos come both square and pre-cropped round */
.person-photo{display:block;width:104px;height:104px;border-radius:50%;object-fit:cover;background:var(--inst-10);margin:28px 24px 0}
.person-card .b-body{padding:22px 24px 24px}
.role-tag{align-self:flex-start;font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;padding:3px 10px;border-radius:6px;border:1px solid}
.role-speaker{color:var(--webinar);border-color:var(--blue-30);background:var(--blue-10)}
.role-host{color:#0c5848;border-color:rgba(42,210,169,.45);background:rgba(42,210,169,.1)}
.person-card h3{font-size:20px;font-weight:600;line-height:1.2;letter-spacing:-.015em;margin:14px 0 0}
.b-card :where(p.person-title){font-size:14px;line-height:1.45;margin:6px 0 0}
.b-card :where(p.person-org){font-size:13.5px;font-weight:600;color:var(--webinar);margin:6px 0 0}
.appearances{margin-top:auto;padding-top:18px}
.appearances .mono-label{font-size:10px;color:var(--cool-60);padding-top:16px;border-top:1px solid var(--line)}
.appearances ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}
.appearances li{font-size:14px;line-height:1.4}
.appearances a{color:var(--cool-90);font-weight:500;text-decoration:none;border-bottom:1px solid var(--blue-30)}
.appearances a:hover{color:var(--webinar);border-bottom-color:var(--webinar)}
.appearances span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--cool-60);margin-top:3px}
.speak-cta{grid-column:1 / -1}
.speak-cta .b-body{padding:36px 40px}
.speak-cta h3{font-size:clamp(26px,2.6vw,34px);font-weight:500}
.speak-cta .pill{margin-top:24px}
@media (max-width:1100px){.people{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.people{grid-template-columns:1fr}.speak-cta .b-body{padding:28px 24px}}

/* ---------- footer (shared ATMO web footer) ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:72px 0 40px}
.ft{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}
.ft-brand img{height:40px;width:auto;display:block}
.ft-brand p{font-size:14px;color:var(--cool-70);max-width:32ch;margin:18px 0 0}
.ft h3{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--webinar);margin:6px 0 18px}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ft a:not(.pill){color:var(--cool-70);font-size:14px;text-decoration:none;transition:color .12s}
.ft a:not(.pill):hover{color:var(--inst-80)}
.ft-news p{font-size:14px;color:var(--cool-70);margin:0 0 18px}
.ft-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--cool-70)}
.ft-base nav{display:flex;gap:20px}
.ft-base a{color:var(--cool-70);text-decoration:none}
.ft-base a:hover{color:var(--inst-80)}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .stage-in{grid-template-columns:1fr;gap:48px;padding:72px 16px 40px;min-height:0}
  #featured{width:min(100%,560px);align-self:start;justify-self:start}
  .ft{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .bento{grid-template-columns:1fr}
  .b-lead,.b-tall{grid-column:auto;grid-row:auto}
  .b-up .b-body{padding:32px 28px}
}
@media (max-width:640px){
  .stage-in{padding:48px 4px 28px}
  .section{padding:72px 0 80px}
  .sec-head{margin-bottom:36px}
  .b-body,.b-tile .b-body{padding:24px}
  .ft{grid-template-columns:1fr;gap:36px}
  .wrap{padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
  .live-dot::after{animation:none}
}