/* =====================================================================
   Academy for Learning AI — AI Skills Weekend
   ===================================================================== */

:root {
  --elec-blue:   #00E5FF;
  --cyan:        #00FFDC;
  --purple:      #7B2CEF;
  --magenta:     #FF2095;
  --green:       #00FF9C;
  --gold:        #FFD700;
  --black:       #0A0A0A;
  --navy:        #0A0A0A;
  --navy-2:      #0D0A14;
  --slate:       #110D1C;
  --slate-2:     #18122A;
  --teal:        var(--elec-blue);
  --teal-bright: var(--cyan);
  --white:       #F0F4FF;
  --muted:       #8B8FA8;
  --line:        rgba(123,44,239,0.22);
  --ok:          var(--green);
  --grad: linear-gradient(120deg, var(--cyan), var(--purple), var(--magenta));
  --maxw: 1400px;
  --radius: 16px;
  --shadow: 0 18px 48px rgba(0,0,0,0.55);
  --font-head: "Montserrat", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); background: var(--black); color: var(--white); line-height: 1.65; font-size: 17px; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--elec-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { font-family: var(--font-head); font-weight: 800; line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 .5em; }
p { margin: 0 0 1.1em; color: #B8BFDA; }
ul { margin: 0 0 1.1em; padding-left: 1.2em; }
strong { color: #fff; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.grad-text { color: var(--elec-blue); background: var(--grad); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .55em; font-family: var(--font-head); font-weight: 700; font-size: 1rem; padding: 15px 30px; border-radius: 999px; border: 2px solid transparent; cursor: pointer; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s; text-decoration: none; white-space: nowrap; }
.btn--primary { background: linear-gradient(120deg, var(--cyan), var(--purple)); color: #fff; box-shadow: 0 0 18px rgba(0,229,255,.35), 0 10px 30px rgba(0,0,0,.4); }
.btn--primary:hover { background: linear-gradient(120deg, var(--cyan), var(--magenta)); transform: translateY(-2px); box-shadow: 0 0 32px rgba(0,229,255,.55), 0 12px 36px rgba(0,0,0,.5); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--elec-blue); border-color: var(--elec-blue); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 14px rgba(0,229,255,.3); text-decoration: none; }
.btn--lg { padding: 18px 38px; font-size: 1.08rem; }

/* ---------- Topbar ---------- */
.topbar { background: var(--grad); color: #fff; text-align: center; font-family: var(--font-head); font-weight: 700; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; padding: 9px 16px; }

/* ---------- Header / nav ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(10,10,10,0); transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; border-bottom: 1px solid transparent; }
.site-header.is-scrolled { background: rgba(10,10,10,.92); backdrop-filter: blur(10px); border-bottom-color: rgba(0,229,255,.15); box-shadow: 0 6px 24px rgba(0,0,0,.4); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 1.06rem; color: #fff; letter-spacing: -.01em; }
.nav__logo:hover { text-decoration: none; }
.nav__mark { width: 34px; height: 34px; border-radius: 9px; flex: none; background: var(--grad); display: grid; place-items: center; font-size: 1rem; color: #fff; font-weight: 800; }
.nav__links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: var(--white); font-weight: 600; font-size: .95rem; }
.nav__links a:hover { color: var(--cyan); text-decoration: none; }
.nav__toggle { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 8px; }
.nav__toggle svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; padding: 90px 0; }
.hero__bg { position: absolute; inset: -12% 0 0 0; z-index: 0; background-image: linear-gradient(180deg, rgba(10,10,10,.80), rgba(10,10,10,.95)), radial-gradient(900px 500px at 78% 20%, rgba(0,229,255,.18), transparent 60%), radial-gradient(700px 400px at 20% 70%, rgba(123,44,239,.22), transparent 60%), var(--hero-img, none); background-size: cover; background-position: center; will-change: transform; }
.hero__bg::after { content:""; position:absolute; inset:0; background: radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.12), transparent), radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.08), transparent), radial-gradient(1px 1px at 40% 80%, rgba(0,255,220,.18), transparent); background-size: 220px 220px; opacity:.5; }
.hero__content { position: relative; z-index: 2; max-width: 760px; }
.hero__eyebrow { display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--elec-blue); border: 1px solid rgba(0,229,255,.4); padding: 7px 14px; border-radius: 999px; margin-bottom: 22px; }
.hero__title { font-size: clamp(2.1rem, 5.2vw, 3.6rem); margin-bottom: .35em; color: var(--elec-blue); background: var(--grad); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; color: transparent; filter: drop-shadow(0 0 18px rgba(0,229,255,.45)); }
.hero__tagline { font-size: clamp(1.05rem, 2.2vw, 1.32rem); color: #B8BFDA; max-width: 640px; margin-bottom: 1.6em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: .95rem; }
.hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero__meta .dot { color: var(--elec-blue); }
.trustline { margin-top: 18px; color: var(--muted); font-size: .9rem; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--alt { background: #0E0A16; }
.section__eyebrow { font-family: var(--font-head); font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--elec-blue); margin-bottom: 14px; }
.section__title { font-size: clamp(1.6rem, 3.6vw, 2.5rem); max-width: 760px; }
.section__lead { font-size: 1.12rem; color: #B8BFDA; max-width: 720px; }
.prose { max-width: 760px; }
.prose p { font-size: 1.06rem; }

/* ---------- Parallax band ---------- */
.parallax-band { position: relative; padding: 110px 0; text-align: center; overflow: hidden; background: linear-gradient(120deg, #0D0A1A, #0A0A0A); }
.parallax-band__inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; }
.parallax-band__inner p { font-family: var(--font-head); font-weight: 800; font-size: clamp(1.4rem, 3.4vw, 2.2rem); line-height: 1.25; color: var(--elec-blue); background: var(--grad); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; color: transparent; filter: drop-shadow(0 0 14px rgba(0,229,255,.40)); }
.parallax-band__glow { position:absolute; inset:0; z-index:1; will-change: transform; background: radial-gradient(600px 300px at 30% 40%, rgba(0,229,255,.18), transparent 60%), radial-gradient(500px 300px at 75% 70%, rgba(123,44,239,.22), transparent 60%); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--slate); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .25s var(--ease), border-color .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); border-color: rgba(0,229,255,.45); box-shadow: 0 0 20px rgba(0,229,255,.12), 0 0 40px rgba(123,44,239,.10); }
.card__icon { width: 44px; height: 44px; border-radius: 11px; background: rgba(0,229,255,.12); color: var(--elec-blue); display: grid; place-items: center; margin-bottom: 16px; font-weight: 800; font-family: var(--font-head); }
.card h3 { font-size: 1.12rem; margin-bottom: .4em; }
.card p { color: var(--muted); margin: 0; font-size: .98rem; }
.ticklist { list-style: none; padding: 0; margin: 0; }
.ticklist li { position: relative; padding-left: 34px; margin-bottom: 14px; color: #C0C6E0; }
.ticklist li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; background: rgba(0,255,156,.14); color: var(--green); display: grid; place-items: center; font-size: .8rem; font-weight: 700; }
.ticklist--x li::before { content: "✕"; background: rgba(255,32,149,.12); color: var(--magenta); }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; align-items: stretch; max-width: 800px; margin: 0 auto; }
.price-card { background: var(--slate); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; display: flex; flex-direction: column; position: relative; transition: border-color .25s, box-shadow .25s; }
.price-card:hover { border-color: rgba(0,229,255,.4); box-shadow: 0 0 22px rgba(0,229,255,.10), 0 0 44px rgba(123,44,239,.10); }
.price-card--featured { border-color: var(--elec-blue); box-shadow: 0 0 0 1px var(--elec-blue), 0 0 32px rgba(0,229,255,.25), 0 0 64px rgba(123,44,239,.18), var(--shadow); transform: translateY(-6px); }
.price-card__badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; padding: 5px 14px; border-radius: 999px; white-space: nowrap; }
.price-card__name { font-family: var(--font-head); font-weight: 800; font-size: 1.15rem; }
.price-card__price { font-family: var(--font-head); font-weight: 800; font-size: 2.2rem; margin: 6px 0 4px; color: #fff; }
.price-card__price small { display:block; font-size: .8rem; font-weight: 600; color: var(--muted); font-family: var(--font-body); }
.price-card__list { list-style: none; padding: 0; margin: 18px 0 24px; flex: 1; }
.price-card__list li { padding-left: 26px; position: relative; margin-bottom: 11px; font-size: .96rem; color: #C0C6E0; }
.price-card__list li::before { content:"✓"; position:absolute; left:0; color: var(--green); font-weight: 700; }
.weekend-pass { margin-top: 26px; background: linear-gradient(120deg, rgba(0,229,255,.10), rgba(123,44,239,.06)); border: 1px solid rgba(0,229,255,.28); border-radius: var(--radius); padding: 26px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.weekend-pass h3 { margin: 0; font-size: 1.2rem; }
.weekend-pass p { margin: 4px 0 0; color: var(--muted); font-size: .95rem; }
.weekend-pass__price { font-family: var(--font-head); font-weight: 800; font-size: 1.9rem; color: #fff; }

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; padding: 96px 0; background: radial-gradient(700px 360px at 50% 0%, rgba(0,229,255,.12), transparent 60%), radial-gradient(600px 300px at 50% 100%, rgba(123,44,239,.10), transparent 60%), var(--navy-2); }
.final-cta h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.final-cta .scarcity-pill { display:inline-block; background: rgba(255,32,149,.10); color: var(--magenta); border:1px solid rgba(255,32,149,.3); font-family: var(--font-head); font-weight:700; font-size:.82rem; letter-spacing:.06em; text-transform:uppercase; padding:8px 16px; border-radius:999px; margin-bottom: 22px; }


/* ---------- Session category labels ---------- */
.session-category-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
  margin-top: 8px;
  padding-left: 4px;
  opacity: .85;
}

/* ---------- Session grid — 2x2 per day ---------- */
.session-day { margin-bottom: 60px; }
.session-day:last-child { margin-bottom: 0; }
.session-day__label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #fff;
  border-left: 4px solid var(--elec-blue);
  padding-left: 16px;
  margin-bottom: 24px;
  text-shadow: 0 0 20px rgba(0,229,255,.35);
}
.session-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.session-card { background: var(--slate); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s var(--ease), border-color .25s, box-shadow .25s; min-width: 0; }
.session-card:hover { transform: translateY(-5px); border-color: rgba(0,229,255,.4); box-shadow: 0 0 20px rgba(0,229,255,.10), 0 0 40px rgba(123,44,239,.10); text-decoration: none; }
.session-card__top { padding: 14px 18px 0; }
.session-card__num { font-family: var(--font-head); font-weight: 700; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--elec-blue); margin-bottom: 4px; }
.session-card__when { color: var(--muted); font-size: .85rem; margin-top: 2px; }
.session-card__body { padding: 10px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.session-card__body h3 { font-size: 1.08rem; color: #fff; }
.session-card__body p { color: var(--muted); font-size: .92rem; flex: 1; }
.session-card__cta { color: var(--elec-blue); font-family: var(--font-head); font-weight: 700; font-size: .85rem; }
.session-card--soon { border-color: rgba(123,44,239,.35); opacity: .8; }
.session-card--soon:hover { border-color: rgba(123,44,239,.6); opacity: 1; }
.session-card__soon-badge { display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--purple); background: rgba(123,44,239,.15); border: 1px solid rgba(123,44,239,.35); border-radius: 999px; padding: 3px 10px; margin-bottom: 8px; }

/* ---------- Lead capture form ---------- */
.lead-form { max-width: 600px; margin: 0 auto; text-align: center; }
.lead-form__fields { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 12px; }
.lead-form__input { background: rgba(255,255,255,.06); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; color: #fff; font-size: .95rem; font-family: var(--font-body); flex: 1; min-width: 180px; }
.lead-form__input:focus { outline: none; border-color: var(--elec-blue); box-shadow: 0 0 0 3px rgba(0,229,255,.12); }
.lead-form__input::placeholder { color: var(--muted); }
.lead-form__btn { white-space: nowrap; }
.lead-form__note { color: var(--muted); font-size: .82rem; margin-top: 10px; }
textarea.lead-form__input { font-family: var(--font-body); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-2); border-top: 1px solid rgba(123,44,239,.18); padding: 56px 0 34px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer__grid h4 { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.footer__grid ul { list-style: none; padding: 0; margin: 0; }
.footer__grid li { margin-bottom: 9px; }
.footer__grid a { color: #B8BFDA; font-size: .95rem; }
.footer__disclaimer { border-top: 1px solid rgba(123,44,239,.14); padding-top: 24px; color: var(--muted); font-size: .82rem; line-height: 1.7; }
.footer__disclaimer strong { color: #C0C6E0; }
.footer__bottom { margin-top: 18px; color: var(--muted); font-size: .82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Legal ---------- */
.legal { padding: 60px 0 80px; }
.legal .container { max-width: 820px; }
.legal h1 { font-size: clamp(2rem,4vw,2.8rem); }
.legal h2 { font-size: 1.3rem; margin-top: 1.8em; color: #fff; }
.legal p, .legal li { color: #B8BFDA; }
.legal .updated { color: var(--muted); font-size: .9rem; margin-bottom: 2em; }
.legal .placeholder { background: rgba(0,229,255,.08); border: 1px dashed rgba(0,229,255,.4); border-radius: 8px; padding: 2px 8px; color: var(--elec-blue); font-family: var(--font-body); font-size: .9em; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid--3, .pricing-grid { grid-template-columns: 1fr; }
  .session-grid { grid-template-columns: 1fr; }
  .cols-2, .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .price-card--featured { transform: none; }
  .nav__links { position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0; background: rgba(10,10,10,.98); backdrop-filter: blur(10px); padding: 10px 24px 24px; border-bottom: 1px solid rgba(123,44,239,.22); transform: translateY(-130%); transition: transform .35s var(--ease); align-items: stretch; }
  .nav__links.is-open { transform: none; }
  .nav__links li { border-bottom: 1px solid rgba(123,44,239,.18); }
  .nav__links a { display: block; padding: 16px 0; }
  .nav__links .btn { margin: 16px 0 0; justify-content: center; }
  .nav__toggle { display: inline-flex; }
  .hero { min-height: 80vh; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .hero__bg, .parallax-band__glow { transform: none !important; }
}