/* ═══════════════════════════════════════════════════════════
   portal.css — marketing/portal design system.
   Separate from courses' shared.css (which stays as-is).
   Phase 1 ships auth styling; landing/dashboard styles land in phase 5.
   ─────────────────────────────────────────────────────────── */

:root {
  --p-bg:        #0b0f1a;
  --p-bg-soft:   #121829;
  --p-card:      #161d31;
  --p-bd:        #243049;
  --p-tx:        #eef2ff;
  --p-tx2:       #9aa7c7;
  --p-accent:    #6366f1;
  --p-accent2:   #a855f7;
  --p-accent3:   #22d3ee;
  --p-radius:    16px;
  --p-fn: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

body.portal {
  margin: 0;
  min-height: 100vh;
  font-family: var(--p-fn);
  color: var(--p-tx);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(99,102,241,.25), transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, rgba(168,85,247,.22), transparent 55%),
    var(--p-bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Auth page ──────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0)) , var(--p-card);
  border: 1px solid var(--p-bd);
  border-radius: var(--p-radius);
  padding: 40px 36px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.6);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .2px;
  margin-bottom: 28px;
}
.auth-brand .brand-mark { height: 27px; width: auto; display: block; }

.auth-card h1 {
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 8px;
}
.auth-card .sub {
  color: var(--p-tx2);
  font-size: 14px;
  margin: 0 0 28px;
}

.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  color: #1f2330;
  background: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn-google:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -8px rgba(0,0,0,.5); }
.btn-google:active { transform: translateY(0); }
.btn-google svg { width: 20px; height: 20px; }

.auth-msg { margin-top: 18px; font-size: 13px; color: var(--p-tx2); min-height: 18px; }
.auth-msg.err { color: #fca5a5; }

/* signed-in panel */
.auth-user { display: none; align-items: center; gap: 14px; margin-bottom: 22px; }
.auth-user img { width: 48px; height: 48px; border-radius: 50%; }
.auth-user .nm { font-weight: 600; }
.auth-user .em { color: var(--p-tx2); font-size: 13px; }

.btn-ghost {
  margin-top: 14px;
  width: 100%;
  padding: 12px;
  font: inherit; font-weight: 600;
  color: var(--p-tx2);
  background: transparent;
  border: 1px solid var(--p-bd);
  border-radius: 12px;
  cursor: pointer;
}
.btn-ghost:hover { color: var(--p-tx); border-color: var(--p-accent); }

#btn-signout { display: none; }
body.signed-in .auth-signin { display: none; }
body.signed-in .auth-user   { display: flex; }
body.signed-in #btn-signout { display: block; }

/* ═══════════════════════════════════════════════════════════
   LANDING (/academy)
   ─────────────────────────────────────────────────────────── */
body.landing { scroll-behavior: smooth; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; text-decoration: none;
  transition: transform .14s ease, box-shadow .14s ease, background .14s, border-color .14s;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--p-accent), var(--p-accent2));
  box-shadow: 0 12px 30px -10px rgba(99,102,241,.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(99,102,241,.8); }
.btn-ghost { color: var(--p-tx); background: rgba(255,255,255,.05); border-color: var(--p-bd); }
.btn-ghost:hover { border-color: var(--p-accent); transform: translateY(-2px); }
.btn-ghost-sm { font-size: 14px; padding: 8px 16px; border-radius: 999px; color: var(--p-tx); background: rgba(255,255,255,.05); border: 1px solid var(--p-bd); cursor: pointer; text-decoration: none; }
.btn-ghost-sm:hover { border-color: var(--p-accent); }
.btn-block { display: flex; width: 100%; }

/* nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 24px;
  padding: 16px clamp(20px, 5vw, 64px);
  transition: background .25s, border-color .25s, backdrop-filter .25s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(11,15,26,.72); backdrop-filter: blur(14px); border-bottom-color: var(--p-bd); }
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--p-tx); text-decoration: none; letter-spacing: .2px; }
.nav-brand .brand-mark { height: 23px; width: auto; display: block; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { color: var(--p-tx2); text-decoration: none; font-weight: 500; font-size: 15px; transition: color .15s; }
.nav-links a:hover { color: var(--p-tx); }
.nav-cta { display: flex; gap: 10px; }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-burger span { width: 22px; height: 2px; background: var(--p-tx); border-radius: 2px; transition: transform .2s, opacity .2s; }

/* hero */
.hero { position: relative; padding: clamp(120px, 18vh, 200px) clamp(20px,5vw,64px) 80px; overflow: hidden; }
.hero-glow {
  position: absolute; inset: -20% 0 auto 0; height: 600px; pointer-events: none;
  background: radial-gradient(600px 300px at 30% 20%, rgba(99,102,241,.35), transparent 70%),
              radial-gradient(500px 300px at 75% 0%, rgba(168,85,247,.3), transparent 70%);
  filter: blur(10px);
}
.hero-inner { position: relative; max-width: 820px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .4px;
  color: var(--p-accent3); padding: 6px 14px; border: 1px solid var(--p-bd);
  border-radius: 999px; background: rgba(34,211,238,.06); margin-bottom: 24px;
}
.hero h1 { font-size: clamp(40px, 7vw, 76px); line-height: 1.02; margin: 0 0 22px; font-weight: 800; letter-spacing: -1.5px; }
.hero h1 em { font-family: "Instrument Serif", serif; font-style: italic; font-weight: 400; background: linear-gradient(135deg, var(--p-accent2), var(--p-accent3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 2.2vw, 21px); color: var(--p-tx2); max-width: 620px; line-height: 1.5; margin: 0 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-trust { display: flex; gap: 34px; flex-wrap: wrap; color: var(--p-tx2); font-size: 15px; }
.hero-trust b { color: var(--p-tx); font-size: 22px; font-weight: 800; margin-right: 6px; }

/* sections */
section { padding: 84px clamp(20px,5vw,64px); max-width: 1180px; margin: 0 auto; }
.section-head { margin-bottom: 44px; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 10px; font-weight: 800; letter-spacing: -.5px; }
.section-head .sub { color: var(--p-tx2); font-size: 17px; margin: 0; }

/* portal cards */
.portal-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 22px; }
.portal-card {
  position: relative; display: block; padding: 30px; border-radius: var(--p-radius);
  background: var(--p-card); border: 1px solid var(--p-bd); text-decoration: none; color: var(--p-tx);
  overflow: hidden; transition: transform .18s, border-color .18s;
}
.portal-card::before { content:""; position:absolute; inset:0 auto auto 0; width:100%; height:4px; background: var(--pc); opacity:.9; }
.portal-card:hover { transform: translateY(-4px); border-color: var(--pc); }
.portal-card.soon { opacity: .6; }
.pc-tag { display:inline-block; font-size:12px; font-weight:700; letter-spacing:1px; color:var(--pc); margin-bottom:14px; }
.portal-card h3 { font-size: 24px; margin: 0 0 8px; }
.portal-card p { color: var(--p-tx2); margin: 0 0 18px; line-height: 1.5; }
.pc-meta { font-size: 14px; font-weight: 600; color: var(--p-tx2); }

/* course cards */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px,1fr)); gap: 22px; }
.course-card {
  display: flex; flex-direction: column; padding: 26px; border-radius: var(--p-radius);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0)), var(--p-card);
  border: 1px solid var(--p-bd); text-decoration: none; color: var(--p-tx);
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.course-card:hover { transform: translateY(-4px); border-color: var(--p-accent); box-shadow: 0 20px 50px -24px rgba(99,102,241,.6); }
.cc-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.cc-kicker { font-size: 11px; font-weight: 700; letter-spacing: 1px; color: var(--p-accent3); }
.cc-lessons { font-size: 12px; color: var(--p-tx2); }
.course-card h3 { font-size: 20px; margin: 0 0 10px; line-height: 1.2; }
.course-card p { color: var(--p-tx2); font-size: 14px; line-height: 1.5; margin: 0 0 18px; flex: 1; }
.cc-go { font-weight: 600; font-size: 14px; color: var(--p-accent); }
.cc-tags { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.cc-level { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; letter-spacing: .2px; padding: 2px 8px; border-radius: 999px; background: rgba(148,163,184,.14); color: var(--p-tx2); white-space: nowrap; }
.cc-level-ic { width: 12px; height: 12px; flex: none; }
.lvl-beginner { color: #34d399; background: rgba(52,211,153,.12); }
.lvl-intermediate { color: #60a5fa; background: rgba(96,165,250,.12); }
.lvl-advanced { color: #c084fc; background: rgba(192,132,252,.12); }
.lvl-all-levels { color: #94a3b8; background: rgba(148,163,184,.14); }

/* how */
.how-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 24px; }
.how-step { padding: 28px; border-radius: var(--p-radius); background: var(--p-bg-soft); border: 1px solid var(--p-bd); }
.how-step .num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; font-weight: 800; background: linear-gradient(135deg, var(--p-accent), var(--p-accent2)); color: #fff; margin-bottom: 16px; }
.how-step h3 { margin: 0 0 8px; font-size: 19px; }
.how-step p { color: var(--p-tx2); margin: 0; line-height: 1.5; }

/* pricing */
.pricing { text-align: center; }
.price-card {
  max-width: 420px; margin: 0 auto; text-align: left; padding: 38px; border-radius: 22px;
  background: linear-gradient(180deg, rgba(99,102,241,.12), rgba(255,255,255,0)), var(--p-card);
  border: 1px solid var(--p-accent); position: relative;
  box-shadow: 0 40px 90px -30px rgba(99,102,241,.5);
}
.price-badge { position: absolute; top: -13px; left: 38px; background: linear-gradient(135deg, var(--p-accent3), var(--p-accent)); color: #06121a; font-weight: 700; font-size: 13px; padding: 5px 14px; border-radius: 999px; }
.price-amount { font-size: 60px; font-weight: 800; letter-spacing: -2px; margin: 8px 0 24px; }
.price-amount .cur { font-size: 30px; vertical-align: super; color: var(--p-tx2); }
.price-amount .dec { font-size: 30px; color: var(--p-tx2); }
.price-amount .per { font-size: 17px; font-weight: 500; color: var(--p-tx2); letter-spacing: 0; }
.price-feats { list-style: none; padding: 0; margin: 0 0 28px; }
.price-feats li { padding: 9px 0 9px 30px; position: relative; color: var(--p-tx); }
.price-feats li::before { content: "✓"; position: absolute; left: 0; color: var(--p-accent3); font-weight: 800; }
.price-fine { font-size: 13px; color: var(--p-tx2); margin: 14px 0 0; text-align: center; }

/* footer */
.footer { border-top: 1px solid var(--p-bd); margin-top: 40px; }
.footer-inner { max-width: 1180px; margin: 0 auto; padding: 48px clamp(20px,5vw,64px); display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.footer-cols { display: flex; gap: 26px; }
.footer-cols a { color: var(--p-tx2); text-decoration: none; font-size: 15px; }
.footer-cols a:hover { color: var(--p-tx); }
.footer-fine { color: var(--p-tx3, #5d6b8a); font-size: 13px; width: 100%; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── Dashboard ───────────────────────────────────────────── */
.dash-main { max-width: 1100px; margin: 0 auto; padding: 104px clamp(20px,5vw,48px) 80px; }
.dash-main h1 { font-size: clamp(28px,4vw,40px); font-weight: 800; letter-spacing: -.5px; margin: 0 0 24px; }
.dash-section { margin-top: 48px; }
.dash-section h2 { font-size: 20px; font-weight: 700; margin: 0 0 18px; color: var(--p-tx); }
.dash-empty { color: var(--p-tx2); }

.sub-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 18px 22px; border-radius: 14px; border: 1px solid var(--p-bd); background: var(--p-card); }
.sub-banner.active { border-color: rgba(34,211,238,.4); background: linear-gradient(90deg, rgba(34,211,238,.08), transparent), var(--p-card); }
.sub-banner.none { border-color: rgba(168,85,247,.4); }
.sub-banner div { color: var(--p-tx2); } .sub-banner b { color: var(--p-tx); }

.course-progress-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 18px; }
.cp-card { display: block; padding: 22px; border-radius: 14px; background: var(--p-card); border: 1px solid var(--p-bd);
  text-decoration: none; color: var(--p-tx); transition: transform .15s, border-color .15s; }
.cp-card:hover { transform: translateY(-3px); border-color: var(--p-accent); }
.cp-title { font-weight: 700; font-size: 17px; margin-bottom: 6px; }
.cp-meta { font-size: 13px; color: var(--p-tx2); margin-bottom: 12px; }
.cp-bar { height: 7px; border-radius: 99px; background: rgba(255,255,255,.08); overflow: hidden; margin-bottom: 14px; }
.cp-bar span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--p-accent), var(--p-accent2)); }
.cp-cont { font-size: 13px; font-weight: 600; color: var(--p-accent); }

.activity-wrap { display: flex; gap: 28px; flex-wrap: wrap; align-items: center;
  padding: 24px; border-radius: 14px; background: var(--p-card); border: 1px solid var(--p-bd); }
.streak { text-align: center; min-width: 150px; }
.streak-num { font-size: 48px; font-weight: 800; line-height: 1; background: linear-gradient(135deg, var(--p-accent2), var(--p-accent3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.streak-lbl { font-weight: 600; color: var(--p-tx); margin-top: 4px; }
.streak-sub { font-size: 12px; color: var(--p-tx2); margin-top: 8px; }
.heatmap { display: flex; gap: 4px; flex: 1; min-width: 280px; }
.hm-col { display: flex; flex-direction: column; gap: 4px; }
.hm-cell { width: 13px; height: 13px; border-radius: 3px; background: rgba(255,255,255,.06); }
.hm-cell[data-lvl="1"] { background: rgba(99,102,241,.35); }
.hm-cell[data-lvl="2"] { background: rgba(99,102,241,.6); }
.hm-cell[data-lvl="3"] { background: rgba(129,140,248,.8); }
.hm-cell[data-lvl="4"] { background: var(--p-accent3); }
.hm-cell[data-lvl="x"] { background: transparent; }

/* settings / toggles */
.settings-card { padding: 6px 24px; border-radius: 14px; background: var(--p-card); border: 1px solid var(--p-bd); max-width: 620px; }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--p-bd); cursor: pointer; }
.set-row:last-of-type { border-bottom: none; }
.set-label { font-weight: 600; color: var(--p-tx); }
.set-desc { font-size: 13px; color: var(--p-tx2); margin-top: 2px; }
.set-toggle { appearance: none; -webkit-appearance: none; width: 42px; height: 24px; flex-shrink: 0; background: rgba(255,255,255,.14); border-radius: 99px; position: relative; cursor: pointer; transition: background .15s; }
.set-toggle:checked { background: var(--p-accent); }
.set-toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .15s; }
.set-toggle:checked::after { transform: translateX(18px); }
.set-toggle:disabled { opacity: .4; cursor: not-allowed; }
.set-msg { font-size: 13px; color: var(--p-tx2); padding: 4px 0 12px; }

/* responsive */
@media (max-width: 760px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; margin-left: auto; }
  body.nav-open .nav-links {
    display: flex; flex-direction: column; position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(11,15,26,.96); backdrop-filter: blur(14px); padding: 18px 24px; gap: 18px; border-bottom: 1px solid var(--p-bd);
  }
  body.nav-open .nav-cta { display: flex; position: fixed; top: 190px; left: 24px; right: 24px; }
  .hero-trust { gap: 22px; }
}