/* AgenticEd — shared design system (homepage, blog, sessions).
   Light, airy base with a soft pastel wash; ink-dark type and buttons; one gradient accent.
   Motion respects prefers-reduced-motion. */
:root{
  /* Core palette */
  --ink:#0B1020;--ink-2:#1E2336;--muted:#5B6175;--line:#E7E8F0;--soft:#F6F7FB;--bg:#FFFFFF;
  --violet:#6D28D9;--violet-2:#8B5CF6;--violet-soft:#F1EBFF;
  /* Pastel wash */
  --peach:#FFE4D1;--sky:#D6ECFF;--pink:#FBDDF1;--lilac:#E9E3FF;--mint:#D9F5EC;
  /* Accent gradient (used sparingly) */
  --grad:linear-gradient(100deg,#F59E0B 0%,#38BDF8 34%,#8B5CF6 66%,#EC4899 100%);
  --grad-brand:linear-gradient(135deg,#6D28D9,#8B5CF6);
  /* Legacy aliases used by older page styles */
  --cream:var(--bg);--brown:var(--ink);--coral:var(--violet);--coral-light:var(--violet-soft);--amber:var(--violet-2);
  --warm:var(--muted);--border:var(--line);--white:#FFFFFF;--light:var(--soft);
  --shadow-sm:0 1px 2px rgba(11,16,32,.04),0 4px 14px -6px rgba(11,16,32,.08);
  --shadow-md:0 2px 6px rgba(11,16,32,.04),0 24px 48px -20px rgba(11,16,32,.18);
  --shadow-pop:0 30px 70px -28px rgba(109,40,217,.35);
  --radius:20px;--max:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;}
::selection{background:var(--violet-soft);color:var(--ink);}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}
.grad-text{background:var(--grad);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:grad-flow 8s ease-in-out infinite;}
.brand-mark{display:inline-block;height:1.6em;width:auto;vertical-align:middle;margin:-.2em .45em 0 0;}
.ico{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}

/* ── PASTEL WASH (behind heroes and page headers) ── */
.wash{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0;}
.wash::before,.wash::after{content:"";position:absolute;inset:-20%;filter:blur(40px);}
.wash::before{background:
  radial-gradient(38% 42% at 8% 8%,var(--peach) 0%,transparent 70%),
  radial-gradient(34% 40% at 38% 0%,var(--sky) 0%,transparent 70%),
  radial-gradient(30% 36% at 92% 6%,var(--pink) 0%,transparent 70%);
  animation:wash-drift 22s ease-in-out infinite alternate;}
.wash::after{background:
  radial-gradient(34% 40% at 75% 40%,var(--lilac) 0%,transparent 70%),
  radial-gradient(26% 30% at 20% 60%,var(--mint) 0%,transparent 70%);
  opacity:.8;animation:wash-drift 28s ease-in-out infinite alternate-reverse;}
.wash--fade{-webkit-mask-image:linear-gradient(#000 55%,transparent);mask-image:linear-gradient(#000 55%,transparent);}

/* ── ANNOUNCEMENT BAR ── */
.announce{position:relative;z-index:101;background:linear-gradient(90deg,#FFE7CC,#DDEBFF 45%,#EADFFF 75%,#FBDDF1);color:var(--ink);font-size:13.5px;font-weight:500;text-align:center;padding:9px 44px;}
.announce a{font-weight:700;text-decoration:underline;text-underline-offset:3px;margin-left:6px;}
.announce__x{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:none;border:0;cursor:pointer;color:var(--ink);opacity:.6;padding:4px;}
.announce__x:hover{opacity:1;}

/* ── NAV ── */
.nav{position:sticky;top:0;z-index:100;transition:background .3s,box-shadow .3s,border-color .3s;background:rgba(255,255,255,.55);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);border-bottom:1px solid transparent;}
.nav--scrolled{background:rgba(255,255,255,.88);border-bottom-color:var(--line);box-shadow:0 8px 30px -22px rgba(11,16,32,.35);}
.nav__inner{max-width:var(--max);margin:0 auto;padding:14px 32px;display:flex;justify-content:space-between;align-items:center;gap:20px;}
.nav__logo{font-family:'Outfit',sans-serif;font-weight:700;font-size:21px;letter-spacing:-.01em;color:var(--ink);text-decoration:none;white-space:nowrap;}
.nav__logo em{font-style:normal;color:var(--violet);}
.nav__links{display:flex;gap:4px;list-style:none;align-items:center;}
.nav__links a{display:block;text-decoration:none;color:var(--muted);font-size:14.5px;font-weight:500;padding:8px 13px;border-radius:999px;transition:color .18s,background .18s;}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--ink);background:rgba(11,16,32,.05);}
.nav__links .nav__cta{background:var(--ink);color:#fff;font-weight:600;padding:10px 20px;margin-left:8px;box-shadow:0 10px 24px -10px rgba(11,16,32,.55);}
.nav__links .nav__cta:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px);}
.nav__toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;cursor:pointer;color:var(--ink);}

/* ── BUTTONS ── */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;font-family:'Inter',sans-serif;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,border-color .2s,background .2s,color .2s;white-space:nowrap;}
.btn--primary{background:var(--ink);color:#fff;box-shadow:0 14px 30px -14px rgba(11,16,32,.6);}
.btn--primary:hover{transform:translateY(-2px);background:var(--ink-2);box-shadow:0 20px 40px -16px rgba(11,16,32,.6);}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm);}
.btn--ghost:hover{border-color:#CFCFE0;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(0,0,0,.45);}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn--outline-light:hover{border-color:#fff;transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn .arrow{display:inline-block;transition:transform .25s;}
.btn:hover .arrow{transform:translateX(4px);}

/* ── SECTIONS ── */
.sec{padding:104px 0;position:relative;}
.sec--tight{padding:64px 0;}
.sec--soft{background:var(--soft);}
.sec--tint{background:var(--soft);}
.sec--dark{background:var(--ink);color:#fff;overflow:hidden;}
.eye{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--violet);margin-bottom:16px;padding:6px 12px;border-radius:999px;background:var(--violet-soft);}
.sec--dark .eye{background:rgba(255,255,255,.08);color:#C4B5FD;}
.h2{font-family:'Outfit',sans-serif;font-size:clamp(32px,4.4vw,52px);font-weight:700;line-height:1.06;letter-spacing:-.03em;margin-bottom:18px;color:inherit;}
.lead{font-size:18px;color:var(--muted);max-width:620px;line-height:1.7;}
.sec--dark .lead{color:rgba(255,255,255,.66);}
.sec__head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:48px;flex-wrap:wrap;}
.center{text-align:center;}
.center .lead{margin-left:auto;margin-right:auto;}

/* ── CARDS ── */
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s;}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#DCDCEA;}
.spot{--mx:50%;--my:50%;}
.spot::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(380px circle at var(--mx) var(--my),rgba(139,92,246,.08),transparent 45%);}
.spot:hover::before{opacity:1;}
.sec--dark .spot::before{background:radial-gradient(380px circle at var(--mx) var(--my),rgba(196,181,253,.14),transparent 45%);}
.glass{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);}
.icon-tile{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--violet-soft);color:var(--violet);margin-bottom:18px;transition:transform .4s cubic-bezier(.2,.8,.2,1);}
.icon-tile--peach{background:#FFF1E6;color:#C2410C;}
.icon-tile--sky{background:#E8F4FF;color:#0369A1;}
.icon-tile--pink{background:#FDECF6;color:#BE185D;}
.icon-tile--mint{background:#E6F8F1;color:#047857;}
.card:hover .icon-tile{transform:translateY(-2px) rotate(-6deg);}
.sec--dark .icon-tile{background:rgba(196,181,253,.14);color:#DDD6FE;}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;background:var(--soft);color:var(--muted);border:1px solid var(--line);}
.tag--accent{background:var(--violet-soft);color:var(--violet);border-color:transparent;}

/* ── REVEAL ON SCROLL ── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1);transition-delay:var(--d,0s);}
.reveal--in{opacity:1;transform:none;}

/* ── PAGE HEADER (blog, sessions) ── */
.phdr{position:relative;overflow:hidden;background:var(--bg);color:var(--ink);padding:110px 0 90px;border-bottom:1px solid var(--line);}
.phdr>.wrap{position:relative;z-index:1;}
.phdr .h2{font-size:clamp(38px,5.6vw,64px);}
.phdr .lead{color:var(--muted);}
/* Legacy decorative layers from the first redesign — hidden in the light theme */
.aurora,.gridlines{display:none;}
.sec--dark .aurora{display:block;position:absolute;inset:-20%;pointer-events:none;filter:blur(70px);opacity:.5;}
.sec--dark .aurora span{position:absolute;border-radius:50%;animation:float 20s ease-in-out infinite;}
.sec--dark .aurora span:nth-child(1){width:460px;height:460px;left:0;top:0;background:#4C1D95;}
.sec--dark .aurora span:nth-child(2){width:380px;height:380px;right:5%;top:20%;background:#831843;animation-delay:-7s;}
.sec--dark .aurora span:nth-child(3){width:340px;height:340px;left:40%;bottom:-10%;background:#0C4A6E;animation-delay:-12s;}

/* ── FOOTER ── */
.footer{background:var(--ink);color:rgba(255,255,255,.6);padding:72px 0 28px;}
.footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;margin-bottom:44px;}
.footer__logo{font-family:'Outfit',sans-serif;font-weight:700;font-size:21px;color:#fff;display:inline-block;margin-bottom:12px;text-decoration:none;}
.footer__logo em{font-style:normal;color:#C4B5FD;}
.footer__about{font-size:14px;max-width:320px;line-height:1.7;}
.footer h4{font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:14px;}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer ul a{text-decoration:none;font-size:14px;transition:color .18s;}
.footer ul a:hover{color:#fff;}
.footer__copy{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.footer__copy a{text-decoration:none;}
.footer:has(.footer__copy:first-child){padding:26px 0;}
.footer__copy:first-child{border-top:0;padding-top:0;}

/* ── KEYFRAMES ── */
@keyframes grad-flow{0%,100%{background-position:0% 50%;}50%{background-position:100% 50%;}}
@keyframes wash-drift{0%{transform:translate(0,0) scale(1);}100%{transform:translate(4%,3%) scale(1.08);}}
@keyframes float{0%,100%{transform:translate(0,0);}50%{transform:translate(0,-10px);}}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@keyframes pulse-dot{0%,100%{box-shadow:0 0 0 0 rgba(139,92,246,.45);}50%{box-shadow:0 0 0 8px rgba(139,92,246,0);}}
@keyframes rise{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:none;}}
@keyframes spin{to{transform:rotate(360deg);}}

/* ── RESPONSIVE ── */
@media(max-width:980px){
  .nav__toggle{display:inline-flex;}
  .nav__links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 18px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:0 24px 40px -24px rgba(11,16,32,.3);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;}
  .nav--open .nav__links{opacity:1;transform:none;pointer-events:auto;}
  .nav__links a{padding:12px 14px;border-radius:12px;}
  .nav__links .nav__cta{margin:6px 0 0;text-align:center;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:700px){
  .wrap,.nav__inner{padding-left:16px;padding-right:16px;}
  .sec{padding:72px 0;}
  .phdr{padding:72px 0 60px;}
  .footer__grid{grid-template-columns:1fr;}
  .announce{font-size:12.5px;padding:8px 40px 8px 16px;}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}