/* ============================================================
   WyckFlow — design system
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Baloo+2:wght@600;700;800&display=swap');

:root {
  /* brand */
  --navy-950: #03021c;
  --navy-900: #060432;
  --navy-850: #0a0a40;
  --navy-800: #0f0f52;
  --navy-700: #16165f;
  --navy-line: rgba(120, 130, 220, 0.12);
  --navy-line-strong: rgba(130, 140, 230, 0.22);

  --gold: #ffde59;
  --gold-2: #ffc73d;
  --gold-soft: #ffe88a;
  --gold-glow: rgba(255, 222, 89, 0.35);

  --up: #34e0a1;     /* bullish */
  --down: #ff5d73;   /* bearish */

  --ink: #f4f5ff;
  --ink-soft: #c3c6ea;
  --ink-mute: #8186b8;
  --ink-faint: #595e94;

  --card: rgba(255, 255, 255, 0.035);
  --card-2: rgba(255, 255, 255, 0.055);
  --card-border: rgba(255, 255, 255, 0.09);
  --card-border-hi: rgba(255, 222, 89, 0.4);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --maxw: 1240px;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
  --shadow-gold: 0 18px 50px -16px rgba(255, 199, 61, 0.45);

  --font-display: 'Sora', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-brand: 'Baloo 2', cursive;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy-900);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* atmospheric background layers ----------------------------- */
.bg-fx { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-fx .grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(var(--navy-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--navy-line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 85%);
}
.bg-fx .glow-a, .bg-fx .glow-b, .bg-fx .glow-c {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5;
}
.bg-fx .glow-a { width: 620px; height: 620px; top: -200px; left: -120px;
  background: radial-gradient(circle, rgba(255,199,61,0.16), transparent 70%); }
.bg-fx .glow-b { width: 760px; height: 760px; top: 30%; right: -260px;
  background: radial-gradient(circle, rgba(80,90,255,0.22), transparent 70%); }
.bg-fx .glow-c { width: 560px; height: 560px; bottom: -200px; left: 30%;
  background: radial-gradient(circle, rgba(52,224,161,0.10), transparent 70%); }
.bg-fx .vignette { position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 90% at 50% 40%, transparent 40%, var(--navy-950) 100%); }

/* floating candle/dot motifs */
.bg-fx .dots { position:absolute; inset:0; opacity:.5;
  background-image: radial-gradient(circle, rgba(255,222,89,0.18) 1px, transparent 1.4px);
  background-size: 38px 38px;
  mask-image: radial-gradient(ellipse 50% 50% at 80% 80%, #000, transparent 70%); }

main, header, footer { position: relative; z-index: 1; }

/* layout ---------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
section { padding: 96px 0; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--gold);
  padding: 7px 14px; border: 1px solid var(--card-border);
  border-radius: 100px; background: var(--card);
}
.section-tag::before { content:''; width:6px; height:6px; border-radius:50%; background:var(--gold); box-shadow:0 0 10px var(--gold); }
.eyebrow-center { text-align: center; display:flex; flex-direction:column; align-items:center; gap:18px; margin-bottom: 54px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }
h2.section-title { font-size: clamp(30px, 4vw, 50px); }
.section-sub { color: var(--ink-soft); font-size: 18px; max-width: 620px; text-wrap: pretty; }
.eyebrow-center .section-sub { text-align:center; }

.text-gold { color: var(--gold); }
.text-up { color: var(--up); }
.text-down { color: var(--down); }
.mono { font-family: var(--font-mono); }

/* buttons --------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content:center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 14px 26px; border-radius: 100px; border: 1px solid transparent;
  cursor: pointer; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-gold { background: linear-gradient(135deg, var(--gold-soft), var(--gold-2)); color: #2a1d00; box-shadow: var(--shadow-gold); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 22px 60px -14px rgba(255,199,61,0.6); }
.btn-ghost { background: var(--card); color: var(--ink); border-color: var(--card-border); }
.btn-ghost:hover { background: var(--card-2); border-color: var(--card-border-hi); transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-block { width: 100%; }
/* inline icons inside buttons / links need explicit size (SVGs have no intrinsic dims) */
.btn span svg { width: 18px; height: 18px; display: block; }
.study-go svg { width: 16px; height: 16px; display: block; }

/* header / nav ---------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(6,4,50,0.85), rgba(6,4,50,0.4));
  border-bottom: 1px solid var(--navy-line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 11px; display:grid; place-items:center;
  background: radial-gradient(circle at 35% 30%, #16165f, #03021c);
  border: 1px solid var(--card-border); overflow:hidden;
}
.brand-mark img { width: 150%; height: 150%; object-fit: contain; }
.brand-word { font-family: var(--font-brand); font-weight: 800; font-size: 23px; letter-spacing: 0.01em; line-height:1; }
.brand-word .w { color: #fff; }
.brand-word .f { color: var(--gold); }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-logo-footer { height: 34px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--ink-soft); text-decoration: none; font-size: 14.5px; font-weight: 500;
  padding: 9px 14px; border-radius: 100px; transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--ink); background: var(--card); }
.nav-links a.active { color: var(--gold); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.cart-btn { position: relative; display:flex; align-items:center; gap:8px; }
.cart-count {
  position: absolute; top: -7px; right: -7px; min-width: 19px; height: 19px; padding: 0 5px;
  background: var(--gold); color: #2a1d00; border-radius: 100px; font-family: var(--font-mono);
  font-size: 11px; font-weight: 700; display: grid; place-items: center;
}
.cart-count:empty, .cart-count[data-n="0"] { display: none; }
.nav-toggle { display:none; background:var(--card); border:1px solid var(--card-border); color:var(--ink); width:42px;height:42px;border-radius:12px; cursor:pointer; font-size:18px; }

/* ticker tape ----------------------------------------------- */
.ticker { border-top:1px solid var(--navy-line); border-bottom: 1px solid var(--navy-line); background: rgba(3,2,28,0.5); overflow: hidden; }
.ticker-track { display: flex; gap: 0; white-space: nowrap; animation: ticker 38s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { display: inline-flex; align-items: center; gap: 10px; padding: 11px 26px; font-family: var(--font-mono); font-size: 13px; border-right: 1px solid var(--navy-line); }
.ticker-item .sym { color: var(--ink); font-weight: 700; }
.ticker-item .px { color: var(--ink-soft); }
@keyframes ticker { from { transform: translateX(0);} to { transform: translateX(-50%);} }

/* cards ----------------------------------------------------- */
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg);
  padding: 28px; transition: transform .25s ease, border-color .25s ease, background .25s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: var(--card-border-hi); background: var(--card-2); }

/* generic grids */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* footer ---------------------------------------------------- */
.footer { border-top: 1px solid var(--navy-line); background: var(--navy-950); padding: 64px 0 36px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer h5 { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 16px; }
.footer a { display:block; color: var(--ink-soft); text-decoration: none; font-size: 14.5px; padding: 5px 0; transition: color .2s; }
.footer a:hover { color: var(--gold); }
.footer-blurb { color: var(--ink-mute); font-size: 14px; max-width: 280px; margin-top: 14px; }
.footer-bottom { display:flex; justify-content: space-between; align-items:center; gap:16px; margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--navy-line); color: var(--ink-faint); font-size: 13px; flex-wrap: wrap; }
.footer-bottom .mono { color: var(--ink-mute); }

/* utilities */
.center { text-align: center; }
.muted { color: var(--ink-mute); }
.soft { color: var(--ink-soft); }
.divider { height:1px; background: var(--navy-line); border:0; margin: 0; }
.pill { display:inline-flex; align-items:center; gap:6px; font-family: var(--font-mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; padding:5px 11px; border-radius:100px; border:1px solid var(--card-border); color:var(--ink-soft); }

/* fade-in on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   COMPONENTS
   ============================================================ */

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 30px);
  display: flex; align-items: center; gap: 10px;
  background: var(--navy-800); border: 1px solid var(--card-border-hi);
  color: var(--ink); padding: 13px 22px; border-radius: 100px; font-weight: 600; font-size: 14px;
  box-shadow: var(--shadow); z-index: 100; opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .3s cubic-bezier(.2,.8,.2,1);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast-ic { width: 18px; height: 18px; color: var(--up); display:inline-flex; }

/* study card */
.study-card {
  display: flex; flex-direction: column; gap: 12px; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg);
  padding: 26px; transition: transform .25s ease, border-color .25s ease, background .25s ease;
  position: relative; overflow: hidden; height: 100%;
}
.study-card::after {
  content:''; position:absolute; inset:0; border-radius: inherit; pointer-events:none;
  background: radial-gradient(120% 80% at 50% -20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.study-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: var(--card-2); }
.study-card:hover::after { opacity: 1; }
.study-card-top { display: flex; align-items: center; justify-content: space-between; }
.study-ic { width: 46px; height: 46px; color: var(--accent); display:inline-flex;
  background: color-mix(in srgb, var(--accent) 12%, transparent); border-radius: 13px; padding: 9px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.study-card h3 { font-size: 21px; }
.study-tagline { color: var(--accent); font-size: 13.5px; font-weight: 600; font-family: var(--font-display); margin-top: -4px; }
.study-short { color: var(--ink-mute); font-size: 14px; line-height: 1.5; flex: 1; }
.study-card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; padding-top: 16px; border-top: 1px solid var(--navy-line); }
.study-price .mono { font-size: 20px; font-weight: 700; color: var(--ink); }
.study-go { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-display); font-weight: 600; font-size: 14px; color: var(--gold); }
.study-card:hover .study-go { gap: 11px; }
.study-go, .study-card:hover .study-go { transition: gap .2s; }

/* hero */
.hero { padding: 80px 0 70px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6vw, 74px); font-weight: 800; line-height: 1.0; }
.hero h1 .grad { background: linear-gradient(120deg, var(--gold-soft), var(--gold-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { font-size: 19px; color: var(--ink-soft); margin: 24px 0 32px; max-width: 540px; text-wrap: pretty; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 42px; flex-wrap: wrap; }
.hero-stat .n { font-family: var(--font-mono); font-size: 28px; font-weight: 700; color: var(--gold); }
.hero-stat .l { font-size: 13px; color: var(--ink-mute); }

/* hero chart panel */
.chart-panel {
  background: linear-gradient(160deg, rgba(16,16,82,0.7), rgba(3,2,28,0.7));
  border: 1px solid var(--card-border); border-radius: var(--r-xl); padding: 18px;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.chart-panel-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px 14px; }
.chart-dots { display: flex; gap: 6px; }
.chart-dots i { width: 10px; height: 10px; border-radius: 50%; display:inline-block; }
.chart-label { font-family: var(--font-mono); font-size: 12px; color: var(--ink-mute); }
.chart-svg { width: 100%; height: auto; display: block; border-radius: var(--r-md); background: rgba(3,2,28,0.5); }
.chart-legend { display:flex; gap:18px; padding: 12px 8px 4px; flex-wrap: wrap; }
.chart-legend span { display:inline-flex; align-items:center; gap:7px; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-mute); }
.chart-legend i { width: 12px; height: 3px; border-radius: 2px; }

/* feature / steps */
.feature { display: flex; flex-direction: column; gap: 12px; }
.feature-ic { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; color: var(--gold);
  background: rgba(255,222,89,0.1); border: 1px solid rgba(255,222,89,0.22); }
.feature-ic svg { width: 26px; height: 26px; }
.feature h3 { font-size: 19px; }
.feature p { color: var(--ink-mute); font-size: 15px; }

.step { position: relative; padding-left: 0; }
.step-n { font-family: var(--font-mono); font-size: 14px; color: var(--gold); font-weight: 700; }
.step h3 { font-size: 20px; margin: 10px 0 8px; }
.step p { color: var(--ink-mute); font-size: 15px; }
.steps-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }

/* why / cost compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-col { border-radius: var(--r-lg); padding: 30px; border: 1px solid var(--card-border); }
.compare-col.bad { background: rgba(255,93,115,0.05); border-color: rgba(255,93,115,0.2); }
.compare-col.good { background: rgba(52,224,161,0.06); border-color: rgba(52,224,161,0.28); }
.compare-col h3 { font-size: 20px; margin-bottom: 4px; }
.compare-col .sub { font-size: 13px; margin-bottom: 18px; }
.compare-row { display: flex; align-items: flex-start; gap: 11px; padding: 11px 0; border-top: 1px solid var(--navy-line); font-size: 14.5px; color: var(--ink-soft); }
.compare-row:first-of-type { border-top: 0; }
.compare-row .mk { width: 20px; height: 20px; flex-shrink: 0; display:inline-flex; margin-top:1px; }
.bad .mk { color: var(--down); }
.good .mk { color: var(--up); }
.compare-price { font-family: var(--font-mono); font-size: 30px; font-weight: 700; margin-top: 18px; }
.bad .compare-price { color: var(--down); }
.good .compare-price { color: var(--up); }

/* pricing */
.bill-toggle { display: inline-flex; align-items: center; gap: 0; background: var(--card); border: 1px solid var(--card-border); border-radius: 100px; padding: 5px; }
.bill-toggle button { background: transparent; border: 0; color: var(--ink-mute); font-family: var(--font-display); font-weight: 600; font-size: 14px; padding: 9px 20px; border-radius: 100px; cursor: pointer; transition: all .2s; }
.bill-toggle button.active { background: var(--gold); color: #2a1d00; }
.bill-save { font-family: var(--font-mono); font-size: 11px; color: var(--up); margin-left: 6px; }

.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
@media (max-width: 1080px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
.price-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 32px 28px; position: relative; transition: transform .25s, border-color .25s; }
.price-card:hover { transform: translateY(-4px); }
.price-card.popular { border-color: var(--card-border-hi); background: linear-gradient(180deg, rgba(255,222,89,0.07), var(--card)); box-shadow: var(--shadow-gold); }
.price-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--gold); color: #2a1d00; font-family: var(--font-display); font-weight: 700; font-size: 12px; padding: 6px 16px; border-radius: 100px; letter-spacing: .02em; }
.price-name { font-family: var(--font-display); font-size: 22px; font-weight: 700; }
.price-tag { font-size: 13.5px; color: var(--ink-mute); margin-bottom: 22px; }
.price-amt { display: flex; align-items: baseline; gap: 4px; }
.price-amt .cur { font-family: var(--font-mono); font-size: 22px; color: var(--ink-soft); }
.price-amt .val { font-family: var(--font-mono); font-size: 52px; font-weight: 700; line-height: 1; }
.price-amt .per { color: var(--ink-mute); font-size: 15px; }
.price-yearly-note { font-size: 12.5px; color: var(--up); font-family: var(--font-mono); margin-top: 8px; min-height: 18px; }
.price-life-note { font-size: 12px; color: var(--ink-faint); font-family: var(--font-mono); margin-top: 3px; }
.price-perks { list-style: none; margin: 24px 0; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.price-perks li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--ink-soft); }
.price-perks .mk { width: 19px; height: 19px; color: var(--gold); flex-shrink: 0; margin-top: 1px; display:inline-flex; }

/* faq */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 0; }
.faq-item { border-bottom: 1px solid var(--navy-line); }
.faq-q { width: 100%; background: none; border: 0; color: var(--ink); font-family: var(--font-display); font-weight: 600; font-size: 18px; text-align: left; padding: 24px 4px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-q .ic { font-family: var(--font-mono); color: var(--gold); font-size: 24px; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-q .ic { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 4px 24px; color: var(--ink-mute); font-size: 15.5px; max-width: 700px; text-wrap: pretty; }

/* cta band */
.cta-band { background: linear-gradient(135deg, rgba(255,222,89,0.1), rgba(124,139,255,0.08)); border: 1px solid var(--card-border); border-radius: var(--r-xl); padding: 56px; text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { font-size: clamp(28px, 4vw, 44px); }
.cta-band p { color: var(--ink-soft); font-size: 18px; margin: 16px auto 28px; max-width: 540px; }

/* ===== stack / cost section ===== */
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 18px; align-items: stretch; }
.pillar { position: relative; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 26px; transition: transform .25s, border-color .25s; }
.pillar:hover { transform: translateY(-4px); border-color: var(--card-border-hi); }
.pillar.is-paid { background: linear-gradient(180deg, rgba(255,222,89,0.08), var(--card)); border-color: var(--card-border-hi); box-shadow: var(--shadow-gold); }
.pillar-step { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); }
.pillar-ic { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; margin: 14px 0 16px; color: var(--gold); background: rgba(255,222,89,0.1); border: 1px solid rgba(255,222,89,0.22); }
.pillar-ic svg { width: 26px; height: 26px; }
.pillar h3 { font-size: 19px; }
.pillar .sub { color: var(--ink-mute); font-size: 13.5px; margin: 6px 0 16px; flex: 1; text-wrap: pretty; }
.pillar-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.pillar-price { display: flex; align-items: baseline; gap: 4px; padding-top: 14px; border-top: 1px solid var(--navy-line); }
.pillar-price .amt { font-family: var(--font-mono); font-size: 30px; font-weight: 700; }
.pillar-price .free .amt { color: var(--up); }
.pillar-price .per { font-size: 13px; color: var(--ink-mute); }
.stack-plus { display: grid; place-items: center; font-family: var(--font-mono); font-size: 26px; color: var(--ink-faint); align-self: center; }
.stack-result { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 18px; padding: 26px 32px; border-radius: var(--r-lg); background: linear-gradient(120deg, rgba(52,224,161,0.1), rgba(124,139,255,0.08)); border: 1px solid rgba(52,224,161,0.28); flex-wrap: wrap; }
.stack-result .res-txt { font-family: var(--font-display); font-weight: 700; font-size: clamp(20px,2.6vw,28px); }
.stack-result .res-sub { color: var(--ink-soft); font-size: 14.5px; margin-top: 4px; }
.guide-callout { display: flex; align-items: center; gap: 20px; margin-top: 36px; padding: 26px 30px; border-radius: var(--r-lg); border: 1px solid var(--card-border); background: var(--card); flex-wrap: wrap; }
.guide-callout .g-ic { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; color: var(--gold); background: rgba(255,222,89,0.1); border: 1px solid rgba(255,222,89,0.22); flex-shrink: 0; }
.guide-callout .g-ic svg { width: 28px; }
.guide-callout .g-txt { flex: 1; min-width: 220px; }
.guide-callout h3 { font-size: 19px; margin-bottom: 4px; }
.guide-callout p { color: var(--ink-mute); font-size: 14.5px; }

@media (max-width: 960px) {
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .stack-plus { display: none; }
}
@media (max-width: 620px) { .stack-grid { grid-template-columns: 1fr; } }

/* ===== shop page ===== */
.shop-hero { padding: 56px 0 20px; }
.shop-hero h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin: 32px 0 8px; }
.filter-chip { background: var(--card); border: 1px solid var(--card-border); color: var(--ink-soft); font-family: var(--font-display); font-weight: 500; font-size: 14px; padding: 9px 18px; border-radius: 100px; cursor: pointer; transition: all .2s; }
.filter-chip.active { background: var(--gold); color: #2a1d00; border-color: var(--gold); }
.filter-chip:hover:not(.active) { border-color: var(--card-border-hi); color: var(--ink); }
.study-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* ===== study detail ===== */
.detail-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 48px 0 20px; }
.detail-back { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-mute); text-decoration: none; font-size: 14px; margin-bottom: 24px; }
.detail-back:hover { color: var(--gold); }
.detail-back svg { width: 16px; transform: rotate(180deg); }
.detail-ic { width: 64px; height: 64px; color: var(--accent); display:inline-flex; background: color-mix(in srgb, var(--accent) 12%, transparent); border-radius: 18px; padding: 13px; border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent); margin-bottom: 20px; }
.detail-hero h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 800; }
.detail-tagline { color: var(--accent); font-family: var(--font-display); font-weight: 600; font-size: 17px; margin: 10px 0 18px; }
.detail-long { color: var(--ink-soft); font-size: 16.5px; line-height: 1.6; text-wrap: pretty; }
.buy-box { background: linear-gradient(160deg, rgba(16,16,82,0.6), rgba(3,2,28,0.6)); border: 1px solid var(--card-border); border-radius: var(--r-xl); padding: 30px; box-shadow: var(--shadow); }
.buy-price { display: flex; align-items: baseline; gap: 5px; margin: 4px 0 6px; }
.buy-price .val { font-family: var(--font-mono); font-size: 46px; font-weight: 700; }
.buy-price .per { color: var(--ink-mute); }
.buy-note { font-size: 13px; color: var(--ink-mute); margin-bottom: 22px; }
.buy-box .btn { margin-bottom: 12px; }
.buy-trust { display: flex; flex-direction: column; gap: 9px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--navy-line); }
.buy-trust span { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--ink-mute); }
.buy-trust svg { width: 16px; color: var(--up); flex-shrink: 0; }
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feature-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; color: var(--ink-soft); }
.feature-list .mk { width: 20px; height: 20px; color: var(--gold); flex-shrink: 0; margin-top: 1px; display:inline-flex; }
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--card-border); border-radius: var(--r-md); overflow: hidden; }
.spec-cell { padding: 22px; border-right: 1px solid var(--navy-line); }
.spec-cell:last-child { border-right: 0; }
.spec-cell .k { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); }
.spec-cell .v { font-family: var(--font-display); font-weight: 600; font-size: 16px; margin-top: 6px; }

/* ===== checkout ===== */
.checkout-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
.co-section-title { font-family: var(--font-display); font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-mute); margin-bottom: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 7px; font-weight: 500; }
.field input, .field select { width: 100%; background: rgba(3,2,28,0.5); border: 1px solid var(--card-border); border-radius: var(--r-sm); padding: 13px 15px; color: var(--ink); font-family: var(--font-body); font-size: 15px; transition: border-color .2s; }
.field input:focus, .field select:focus { outline: none; border-color: var(--gold); }
.field input::placeholder { color: var(--ink-faint); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card-input { position: relative; }
.card-input .brands { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); letter-spacing: .1em; }
.summary { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 28px; position: sticky; top: 96px; }
.summary h3 { font-size: 20px; margin-bottom: 20px; }
.co-item { display: flex; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--navy-line); }
.co-item .ic { width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0; display: grid; place-items: center; color: var(--accent, var(--gold)); background: color-mix(in srgb, var(--accent, #ffde59) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent, #ffde59) 24%, transparent); }
.co-item .ic svg { width: 22px; }
.co-item .meta { flex: 1; min-width: 0; }
.co-item .meta .nm { font-weight: 600; font-size: 14.5px; }
.co-item .meta .ty { font-size: 12px; color: var(--ink-mute); }
.co-item .pr { font-family: var(--font-mono); font-weight: 700; font-size: 15px; }
.co-item .rm { background: none; border: 0; color: var(--ink-faint); cursor: pointer; font-size: 18px; padding: 0 4px; transition: color .2s; }
.co-item .rm:hover { color: var(--down); }
.co-totals { margin-top: 18px; }
.co-line { display: flex; justify-content: space-between; padding: 7px 0; font-size: 14.5px; color: var(--ink-soft); }
.co-line.grand { border-top: 1px solid var(--card-border); margin-top: 8px; padding-top: 16px; font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--ink); }
.co-line.grand .mono { font-size: 24px; }
.co-empty { text-align: center; padding: 40px 10px; color: var(--ink-mute); }
.secure-row { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px; font-size: 12.5px; color: var(--ink-faint); }
.secure-row svg { width: 15px; color: var(--up); }
.stripe-badge { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-mute); }
.pay-tabs { display: flex; gap: 10px; margin-bottom: 20px; }
.pay-tab { flex: 1; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-sm); padding: 14px; cursor: pointer; text-align: center; font-size: 13px; font-weight: 600; color: var(--ink-soft); transition: all .2s; }
.pay-tab.active { border-color: var(--gold); background: rgba(255,222,89,0.07); color: var(--ink); }

/* success modal */
.modal-bg { position: fixed; inset: 0; background: rgba(3,2,28,0.85); backdrop-filter: blur(8px); z-index: 200; display: none; place-items: center; padding: 24px; }
.modal-bg.show { display: grid; }
.modal { background: var(--navy-800); border: 1px solid var(--card-border-hi); border-radius: var(--r-xl); padding: 44px; max-width: 460px; text-align: center; box-shadow: var(--shadow); }
.modal .check-ring { width: 76px; height: 76px; border-radius: 50%; background: rgba(52,224,161,0.12); border: 1px solid rgba(52,224,161,0.4); display: grid; place-items: center; margin: 0 auto 22px; color: var(--up); }
.modal .check-ring svg { width: 38px; }
.modal h2 { font-size: 26px; margin-bottom: 12px; }
.modal p { color: var(--ink-soft); margin-bottom: 26px; }

@media (max-width: 960px) {
  .hero-grid, .detail-hero, .checkout-grid { grid-template-columns: 1fr; gap: 36px; }
  .steps-line { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .study-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .spec-cell:nth-child(2) { border-right: 0; }
  .summary { position: static; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; background: var(--navy-850); padding: 14px; border-bottom: 1px solid var(--navy-line); gap: 4px; }
  .nav-links.open a { width: 100%; }
}
@media (max-width: 620px) {
  section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .steps-line { grid-template-columns: 1fr; }
  .study-grid { grid-template-columns: 1fr; }
  .compare, .feature-list { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 24px; }
}

/* ===== language + currency switcher ===== */
.switcher { display: flex; align-items: center; gap: 7px; }
.ui-select-wrap { position: relative; display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 22px 0 10px; background: var(--card); border: 1px solid var(--card-border); border-radius: 10px; transition: border-color .18s; }
.ui-select-wrap:hover { border-color: var(--card-border-hi); }
.ui-select-wrap::after { content: '▾'; position: absolute; right: 9px; font-size: 10px; color: var(--ink-mute); pointer-events: none; }
.ui-select-ic { width: 15px; height: 15px; color: var(--ink-mute); display: inline-flex; flex-shrink: 0; }
.ui-select { appearance: none; -webkit-appearance: none; background: transparent; border: 0; color: var(--ink); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .03em; height: 34px; cursor: pointer; outline: none; padding: 0; }
.ui-select option { color: #0b0b2a; background: #fff; }

/* ===== study detail: data requirement badge ===== */
.datareq { display: flex; align-items: center; gap: 13px; margin-top: 22px; padding: 14px 16px; border: 1px solid var(--card-border); border-radius: 14px; background: color-mix(in srgb, var(--accent) 6%, transparent); }
.datareq-ic { width: 34px; height: 34px; flex-shrink: 0; border-radius: 10px; display: grid; place-items: center; color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.datareq-ic svg { width: 19px; height: 19px; }
.datareq-k { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.datareq-v { display: block; font-family: var(--font-display); font-weight: 600; font-size: 15px; margin-top: 2px; color: var(--ink); }
.detail-note { margin-top: 16px; font-size: 13.5px; line-height: 1.55; color: var(--ink-mute); padding: 13px 15px; border: 1px dashed var(--card-border-hi); border-radius: 12px; background: rgba(0,0,0,0.12); text-wrap: pretty; }

/* ===== study detail: how to read ===== */
.howread-list { display: grid; gap: 14px; }
.howread-item { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--card-border); border-radius: 14px; background: var(--card); }
.howread-n { font-family: var(--font-mono); font-weight: 700; font-size: 15px; color: var(--accent); flex-shrink: 0; padding-top: 1px; min-width: 26px; }
.howread-item p { color: var(--ink-soft); font-size: 15.5px; line-height: 1.55; text-wrap: pretty; }

/* ===== study detail: presets table ===== */
.preset-table-wrap { overflow-x: auto; border: 1px solid var(--card-border); border-radius: 14px; }
.preset-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 460px; }
.preset-table th { text-align: left; font-family: var(--font-mono); font-size: 11px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-faint); padding: 14px 18px; border-bottom: 1px solid var(--card-border); background: rgba(255,255,255,0.02); }
.preset-table td { padding: 13px 18px; border-bottom: 1px solid var(--navy-line); color: var(--ink-soft); }
.preset-table tbody tr:last-child td { border-bottom: 0; }
.preset-table td.first { color: var(--ink); font-weight: 600; }
.preset-table tbody tr:hover { background: rgba(255,255,255,0.02); }

@media (max-width: 620px) {
  .switcher .ui-select-ic { display: none; }
  .ui-select-wrap { padding-left: 9px; height: 34px; }
}

/* ============================================================
   AUTH — account menu, login/signup modal
   ============================================================ */
/* account chip in nav */
.acct-menu { position: relative; }
.acct-chip { display: inline-flex; align-items: center; gap: 9px; background: var(--card); border: 1px solid var(--card-border); border-radius: 100px; padding: 5px 12px 5px 5px; cursor: pointer; transition: border-color .2s, background .2s; }
.acct-chip:hover { border-color: var(--card-border-hi); background: var(--card-2); }
.acct-av { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; font-family: var(--font-display); font-weight: 700; font-size: 13px; color: #2a1d00; background: linear-gradient(135deg, var(--gold-soft), var(--gold-2)); }
.acct-av.lg { width: 42px; height: 42px; font-size: 17px; }
.acct-name { font-family: var(--font-display); font-weight: 600; font-size: 13.5px; color: var(--ink); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-cv { width: 15px; height: 15px; color: var(--ink-mute); display: inline-flex; transition: transform .2s; }
.acct-menu.open .acct-cv { transform: rotate(180deg); }
.acct-drop { position: absolute; top: calc(100% + 10px); right: 0; width: 256px; background: var(--navy-800); border: 1px solid var(--card-border-hi); border-radius: var(--r-md); box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .18s, transform .18s, visibility .18s; z-index: 60; }
.acct-menu.open .acct-drop { opacity: 1; visibility: visible; transform: translateY(0); }
.acct-drop-head { display: flex; align-items: center; gap: 11px; padding: 12px; margin-bottom: 6px; border-bottom: 1px solid var(--navy-line); }
.acct-drop-id { min-width: 0; }
.acct-drop-id .nm { display: block; font-family: var(--font-display); font-weight: 600; font-size: 14px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-drop-id .em { display: block; font-size: 12px; color: var(--ink-mute); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-drop-item { width: 100%; display: flex; align-items: center; gap: 11px; padding: 11px 12px; border: 0; background: none; border-radius: 10px; color: var(--ink-soft); font-family: var(--font-body); font-size: 14px; text-decoration: none; cursor: pointer; transition: background .15s, color .15s; }
.acct-drop-item:hover { background: var(--card); color: var(--ink); }
.acct-drop-item .ic { width: 18px; height: 18px; display: inline-flex; color: var(--ink-mute); flex-shrink: 0; }
.acct-drop-item:hover .ic { color: var(--gold); }
.acct-drop-item.danger { color: var(--down); margin-top: 4px; border-top: 1px solid var(--navy-line); border-radius: 0 0 10px 10px; }
.acct-drop-item.danger .ic { color: var(--down); }
.acct-drop-item.danger:hover { background: rgba(255,93,115,0.08); }

/* auth modal */
.auth-modal-bg { z-index: 210; }
.auth-modal { background: var(--navy-800); border: 1px solid var(--card-border-hi); border-radius: var(--r-xl); padding: 38px 36px 30px; max-width: 440px; width: 100%; position: relative; box-shadow: var(--shadow); }
.auth-close { position: absolute; top: 18px; right: 20px; background: none; border: 0; color: var(--ink-mute); font-size: 26px; line-height: 1; cursor: pointer; transition: color .2s; }
.auth-close:hover { color: var(--ink); }
.auth-brand { margin-bottom: 20px; }
.auth-modal h2 { font-size: 26px; margin-bottom: 7px; }
.auth-sub { color: var(--ink-mute); font-size: 14.5px; margin-bottom: 26px; }
.auth-field { margin-bottom: 16px; }
.auth-field label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 7px; font-weight: 500; }
.auth-input { position: relative; display: flex; align-items: center; }
.auth-input .ai-ic { position: absolute; left: 14px; width: 18px; height: 18px; color: var(--ink-faint); display: inline-flex; pointer-events: none; }
.auth-input input { width: 100%; background: rgba(3,2,28,0.5); border: 1px solid var(--card-border); border-radius: var(--r-sm); padding: 13px 15px 13px 42px; color: var(--ink); font-family: var(--font-body); font-size: 15px; transition: border-color .2s; }
.auth-input input:focus { outline: none; border-color: var(--gold); }
.auth-input input::placeholder { color: var(--ink-faint); }
.ai-toggle { position: absolute; right: 12px; background: none; border: 0; color: var(--ink-mute); font-size: 12px; font-family: var(--font-mono); cursor: pointer; padding: 4px 6px; }
.ai-toggle:hover { color: var(--gold); }
.auth-forgot { display: inline-block; margin-top: 9px; font-size: 13px; color: var(--ink-mute); text-decoration: none; }
.auth-forgot:hover { color: var(--gold); }
.auth-err { font-size: 13.5px; color: var(--down); margin-bottom: 4px; max-height: 0; overflow: hidden; transition: max-height .2s, margin .2s; }
.auth-err.show { max-height: 40px; margin-bottom: 14px; }
.auth-modal .btn-gold { margin-top: 6px; }
.auth-terms { font-size: 12px; color: var(--ink-faint); text-align: center; margin-top: 16px; line-height: 1.5; text-wrap: pretty; }
.auth-switch { text-align: center; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--navy-line); font-size: 14px; color: var(--ink-mute); }
.auth-switch a { color: var(--gold); text-decoration: none; font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }

/* ============================================================
   ACCOUNT PAGE — my licenses
   ============================================================ */
.acct-hero { padding: 48px 0 8px; }
.acct-hero-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.acct-hero .acct-av { width: 64px; height: 64px; font-size: 26px; box-shadow: var(--shadow-gold); }
.acct-hero h1 { font-size: clamp(28px, 4vw, 40px); }
.acct-hero .meta { color: var(--ink-mute); font-size: 14px; font-family: var(--font-mono); margin-top: 4px; }
.acct-layout { display: grid; grid-template-columns: 232px 1fr; gap: 34px; align-items: start; margin-top: 14px; }
.acct-rail { display: flex; flex-direction: column; gap: 4px; position: sticky; top: 96px; }
.acct-rail-item { display: flex; align-items: center; gap: 12px; padding: 13px 15px; border-radius: var(--r-sm); border: 1px solid transparent; background: none; color: var(--ink-soft); font-family: var(--font-display); font-weight: 600; font-size: 14.5px; text-align: left; cursor: pointer; transition: all .18s; width: 100%; }
.acct-rail-item .ic { width: 19px; height: 19px; display: inline-flex; color: var(--ink-mute); flex-shrink: 0; }
.acct-rail-item:hover { background: var(--card); color: var(--ink); }
.acct-rail-item.active { background: var(--card-2); border-color: var(--card-border); color: var(--ink); }
.acct-rail-item.active .ic { color: var(--gold); }
.acct-panel { display: none; }
.acct-panel.active { display: block; }
.acct-panel-h { font-size: 24px; margin-bottom: 6px; }
.acct-panel-sub { color: var(--ink-mute); font-size: 14.5px; margin-bottom: 24px; }

/* subscription card */
.sub-card { background: linear-gradient(160deg, rgba(255,222,89,0.07), var(--card)); border: 1px solid var(--card-border-hi); border-radius: var(--r-lg); padding: 28px; }
.sub-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sub-plan-name { font-family: var(--font-display); font-size: 26px; font-weight: 800; }
.sub-plan-tag { color: var(--ink-mute); font-size: 14px; margin-top: 2px; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; padding: 6px 13px; border-radius: 100px; }
.status-pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; }
.status-pill.active { color: var(--up); background: rgba(52,224,161,0.1); border: 1px solid rgba(52,224,161,0.3); }
.status-pill.active::before { background: var(--up); box-shadow: 0 0 8px var(--up); }
.status-pill.canceled { color: var(--down); background: rgba(255,93,115,0.1); border: 1px solid rgba(255,93,115,0.3); }
.status-pill.canceled::before { background: var(--down); }
.sub-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 26px 0; border: 1px solid var(--card-border); border-radius: var(--r-md); overflow: hidden; }
.sub-meta .cell { padding: 18px 20px; border-right: 1px solid var(--navy-line); }
.sub-meta .cell:last-child { border-right: 0; }
.sub-meta .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.sub-meta .v { font-family: var(--font-display); font-weight: 700; font-size: 17px; margin-top: 6px; }
.sub-meta .v small { font-family: var(--font-mono); font-weight: 400; font-size: 12px; color: var(--ink-mute); display: block; margin-top: 3px; }
.sub-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.sub-note { display: flex; align-items: center; gap: 10px; margin-top: 18px; padding: 13px 16px; border-radius: var(--r-sm); background: rgba(255,93,115,0.07); border: 1px solid rgba(255,93,115,0.22); color: var(--ink-soft); font-size: 13.5px; }
.sub-note svg { width: 18px; color: var(--down); flex-shrink: 0; }

/* small stat tiles */
.acct-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.acct-stat { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-md); padding: 20px; }
.acct-stat .ic { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; color: var(--gold); background: rgba(255,222,89,0.1); border: 1px solid rgba(255,222,89,0.22); margin-bottom: 14px; }
.acct-stat .ic svg { width: 20px; }
.acct-stat .n { font-family: var(--font-display); font-weight: 800; font-size: 26px; }
.acct-stat .l { color: var(--ink-mute); font-size: 13px; margin-top: 2px; }

/* license key */
.lic-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 26px; margin-bottom: 22px; }
.lic-card-h { display: flex; align-items: center; gap: 11px; margin-bottom: 6px; }
.lic-card-h .ic { width: 22px; height: 22px; color: var(--gold); display: inline-flex; }
.lic-card-h h3 { font-size: 18px; }
.lic-note { color: var(--ink-mute); font-size: 13.5px; margin-bottom: 18px; text-wrap: pretty; }
.lic-key-row { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; }
.lic-key { flex: 1; min-width: 240px; display: flex; align-items: center; padding: 0 18px; background: rgba(3,2,28,0.6); border: 1px dashed var(--card-border-hi); border-radius: var(--r-sm); font-family: var(--font-mono); font-size: 16px; font-weight: 500; letter-spacing: .08em; color: var(--gold); }
.lic-copy { display: inline-flex; align-items: center; gap: 8px; }
.lic-copy svg { width: 17px; }
.lic-status-row { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--navy-line); }
.lic-status-row .item .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.lic-status-row .item .v { font-family: var(--font-display); font-weight: 600; font-size: 15px; margin-top: 4px; display: flex; align-items: center; gap: 7px; }
.lic-status-row .item .v.ok { color: var(--up); }
.lic-status-row .item .v svg { width: 16px; }

/* included studies list */
.study-row { display: flex; align-items: center; gap: 16px; padding: 16px 18px; border: 1px solid var(--card-border); border-radius: var(--r-md); margin-bottom: 10px; transition: border-color .2s; text-decoration: none; }
.study-row:hover { border-color: var(--card-border-hi); }
.study-row .ic { width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; display: grid; place-items: center; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent); }
.study-row .ic svg { width: 24px; }
.study-row .meta { flex: 1; min-width: 0; }
.study-row .meta .nm { font-family: var(--font-display); font-weight: 600; font-size: 15.5px; color: var(--ink); }
.study-row .meta .cat { font-size: 12.5px; color: var(--ink-mute); }
.study-row .unlock { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--up); }
.study-row .unlock svg { width: 15px; }
.study-row .go { color: var(--ink-mute); display: inline-flex; }
.study-row .go svg { width: 18px; }
.study-row:hover .go { color: var(--gold); }

/* payment method */
.pm-card { display: flex; align-items: center; gap: 16px; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-md); padding: 20px 22px; margin-bottom: 22px; flex-wrap: wrap; }
.pm-brand { width: 52px; height: 36px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, #1a1a4e, #0a0a30); border: 1px solid var(--card-border); color: var(--gold); flex-shrink: 0; }
.pm-brand svg { width: 26px; }
.pm-info { flex: 1; min-width: 160px; }
.pm-info .nm { font-family: var(--font-mono); font-size: 15px; font-weight: 500; color: var(--ink); letter-spacing: .05em; }
.pm-info .ex { font-size: 12.5px; color: var(--ink-mute); margin-top: 2px; }

/* invoice table */
.inv-table-wrap { border: 1px solid var(--card-border); border-radius: var(--r-md); overflow: hidden; }
.inv-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.inv-table th { text-align: left; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); padding: 14px 20px; background: rgba(255,255,255,0.02); border-bottom: 1px solid var(--card-border); }
.inv-table td { padding: 15px 20px; border-bottom: 1px solid var(--navy-line); color: var(--ink-soft); }
.inv-table tbody tr:last-child td { border-bottom: 0; }
.inv-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.inv-table .inv-num { font-family: var(--font-mono); color: var(--ink); }
.inv-table .inv-amt { font-family: var(--font-mono); font-weight: 600; color: var(--ink); }
.inv-paid { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; color: var(--up); }
.inv-paid svg { width: 14px; }
.inv-dl { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-mute); text-decoration: none; font-size: 13px; }
.inv-dl:hover { color: var(--gold); }
.inv-dl svg { width: 16px; }

/* settings */
.set-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 26px; margin-bottom: 22px; }
.set-card h3 { font-size: 18px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.set-card h3 .ic { width: 20px; height: 20px; color: var(--gold); display: inline-flex; }
.set-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 15px 0; border-top: 1px solid var(--navy-line); }
.toggle-row:first-of-type { border-top: 0; }
.toggle-row .tl { font-size: 14.5px; color: var(--ink-soft); }
.switch { position: relative; width: 46px; height: 26px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track { position: absolute; inset: 0; background: var(--card-2); border: 1px solid var(--card-border); border-radius: 100px; cursor: pointer; transition: background .2s, border-color .2s; }
.switch .track::before { content: ''; position: absolute; left: 3px; top: 2.5px; width: 19px; height: 19px; border-radius: 50%; background: var(--ink-mute); transition: transform .2s, background .2s; }
.switch input:checked + .track { background: rgba(255,222,89,0.2); border-color: var(--card-border-hi); }
.switch input:checked + .track::before { transform: translateX(20px); background: var(--gold); }
.danger-zone { border-color: rgba(255,93,115,0.25); background: rgba(255,93,115,0.04); }
.btn-danger { background: rgba(255,93,115,0.1); border: 1px solid rgba(255,93,115,0.35); color: var(--down); }
.btn-danger:hover { background: rgba(255,93,115,0.18); transform: translateY(-2px); }

/* gate (not logged in) */
.acct-gate { text-align: center; max-width: 440px; margin: 40px auto 60px; padding: 48px 36px; background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-xl); }
.acct-gate .g-ic { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; margin: 0 auto 22px; color: var(--gold); background: rgba(255,222,89,0.1); border: 1px solid rgba(255,222,89,0.22); }
.acct-gate .g-ic svg { width: 32px; }
.acct-gate h2 { font-size: 24px; margin-bottom: 10px; }
.acct-gate p { color: var(--ink-soft); margin-bottom: 24px; }

@media (max-width: 960px) {
  .acct-name { display: none; }
  .acct-layout { grid-template-columns: 1fr; }
  .acct-rail { position: static; flex-direction: row; flex-wrap: wrap; overflow-x: auto; }
  .acct-rail-item { flex: 1; justify-content: center; min-width: 130px; }
  .sub-meta { grid-template-columns: 1fr 1fr; }
  .sub-meta .cell:nth-child(2) { border-right: 0; }
  .acct-stats { grid-template-columns: 1fr; }
  .set-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .sub-meta { grid-template-columns: 1fr; }
  .sub-meta .cell { border-right: 0; border-bottom: 1px solid var(--navy-line); }
  .sub-meta .cell:last-child { border-bottom: 0; }
  .inv-table .hide-sm { display: none; }
  .acct-rail-item .lbl { display: none; }
  .acct-rail-item { min-width: 56px; }
}