/* Gen Z theme: neo-brutalist cards, loud colours, sticker energy */
:root {
  --bg: #fbf7ee;
  --bg-soft: #f3edff;
  --ink: #111111;
  --ink-2: #4a4a4a;
  --line: #111111;
  --brand: #8b5cf6;          /* electric purple */
  --brand-dark: #6d28d9;
  --brand-soft: #ede4ff;
  --lime: #c6f432;
  --pink: #ff5ca8;
  --yellow: #ffd93d;
  --blue: #4d7cff;
  --orange: #ff8a3d;
  --paper: #fdfbf3;
  --radius: 18px;
  --bw: 2.5px;
  --shadow: 5px 5px 0 var(--ink);
  --shadow-sm: 3px 3px 0 var(--ink);
  --hand: "Caveat", "Segoe Print", cursive;
  --display: "Bricolage Grotesque", "Plus Jakarta Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--lime); }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
h1, h2, h3, h4, .logo, .btn, .eyebrow, .big, .stat b { font-family: var(--display); }

/* ---------- header ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: var(--bg);
  border-bottom: var(--bw) solid var(--ink);
}
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; letter-spacing: -.02em; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  background: var(--lime); color: var(--ink); border: var(--bw) solid var(--ink); box-shadow: var(--shadow-sm);
  font-family: var(--hand); font-size: 1.6rem; font-weight: 700; transform: rotate(-6deg);
}
.logo-img { width: 42px; height: 42px; transform: rotate(-4deg); transition: transform .2s; }
.logo:hover .logo-img { transform: rotate(4deg) scale(1.06); }
.wordmark { font-family: var(--display); font-weight: 800; letter-spacing: -.035em; font-size: 1.45rem; line-height: 1; }
.wordmark span { color: var(--pink); }
footer .wordmark span { color: var(--lime); }
.nav-links { display: flex; gap: 6px; margin-left: auto; font-size: .95rem; font-weight: 600; }
.nav-links a { padding: 6px 12px; border-radius: 999px; border: var(--bw) solid transparent; }
.nav-links a:hover { border-color: var(--ink); background: var(--yellow); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 14px; font-weight: 800; font-size: .98rem;
  border: var(--bw) solid var(--ink); cursor: pointer; transition: transform .12s, box-shadow .12s;
  box-shadow: var(--shadow-sm); color: var(--ink);
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 0 0 0 var(--ink); }
.btn-primary { background: var(--lime); }
.btn-ghost { background: #fff; }
.btn-sm { padding: 7px 13px; font-size: .86rem; border-radius: 11px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; box-shadow: none; transform: none; }
.menu-btn {
  display: none; margin-left: auto; background: var(--yellow); border: var(--bw) solid var(--ink);
  border-radius: 10px; font-size: 1.3rem; width: 42px; height: 42px; cursor: pointer; box-shadow: var(--shadow-sm);
}

/* ---------- ticker ---------- */
.ticker { background: var(--ink); color: var(--lime); overflow: hidden; border-bottom: var(--bw) solid var(--ink); }
.ticker-track { display: flex; width: max-content; animation: scroll 28s linear infinite; }
.ticker span { padding: 10px 22px; font-family: var(--display); font-weight: 700; white-space: nowrap; font-size: .95rem; }
.ticker span:nth-child(3n+2) { color: var(--pink); }
.ticker span:nth-child(3n) { color: var(--yellow); }
@keyframes scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* ---------- hero ---------- */
.hero {
  padding: 56px 0 48px; position: relative;
  background-image: radial-gradient(var(--ink) 1px, transparent 1px);
  background-size: 22px 22px; background-color: var(--bg);
  background-position: -11px -11px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(251,247,238,.82), rgba(251,247,238,.95));
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: #fff; border: var(--bw) solid var(--ink); font-size: .85rem; font-weight: 700; box-shadow: var(--shadow-sm);
}
.pill b { color: var(--brand-dark); }
h1 { font-size: clamp(2.4rem, 5.4vw, 4.2rem); line-height: 1; margin: 22px 0 18px; letter-spacing: -.04em; font-weight: 800; }
h1 .hl {
  display: inline-block; background: var(--pink); color: #fff; padding: 0 .18em .06em; border-radius: 12px;
  border: var(--bw) solid var(--ink); transform: rotate(-2deg); box-shadow: var(--shadow-sm);
  font-family: var(--display); font-size: 1em;
}
h1 .scribble { position: relative; white-space: nowrap; }
h1 .scribble::after {
  content: ""; position: absolute; left: -2%; right: -2%; bottom: -.08em; height: .28em;
  background: var(--lime); z-index: -1; border-radius: 6px; transform: rotate(-1deg);
}
.lead { font-size: 1.1rem; color: var(--ink-2); max-width: 560px; }
.search { display: flex; gap: 10px; margin: 26px 0 16px; max-width: 540px; }
.search input {
  flex: 1; padding: 13px 16px; border-radius: 14px; border: var(--bw) solid var(--ink);
  font: inherit; background: #fff; min-width: 0; box-shadow: var(--shadow-sm);
}
.search input:focus { outline: none; box-shadow: 4px 4px 0 var(--brand); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 14px; border-radius: 999px; background: #fff; border: var(--bw) solid var(--ink);
  font-size: .86rem; font-weight: 700; cursor: pointer; font-family: inherit; color: var(--ink); transition: .12s;
}
.chip:hover { background: var(--yellow); transform: rotate(-2deg); }
.chip.active { background: var(--ink); color: var(--lime); }

.hero-art { position: relative; height: 460px; }
.sheet {
  position: absolute; width: 62%; border-radius: 10px; box-shadow: var(--shadow);
  border: var(--bw) solid var(--ink); background: var(--paper); overflow: hidden; transition: transform .2s;
}
.sheet img { width: 100%; }
.sheet.s1 { left: 0; top: 30px; transform: rotate(-7deg); }
.sheet.s2 { right: 0; top: 0; transform: rotate(6deg); }
.sheet.s3 { left: 20%; top: 96px; transform: rotate(-1deg); z-index: 2; }
.hero-art:hover .s1 { transform: rotate(-10deg) translateX(-10px); }
.hero-art:hover .s2 { transform: rotate(9deg) translateX(10px); }
.sticker {
  position: absolute; z-index: 3; padding: 10px 16px; border-radius: 14px; border: var(--bw) solid var(--ink);
  font-family: var(--display); font-weight: 800; font-size: 1.05rem; box-shadow: var(--shadow-sm);
}
.sticker.st1 { right: 2%; bottom: 14px; background: var(--yellow); transform: rotate(-6deg); }
.sticker.st2 { left: -4%; top: 4px; background: var(--lime); transform: rotate(8deg); border-radius: 999px; }
.sticker.st3 { right: -2%; top: 46%; background: var(--pink); color: #fff; transform: rotate(10deg); border-radius: 999px; font-size: .9rem; }

/* ---------- stats ---------- */
.stats { padding: 36px 0 44px; }
.stats .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
  padding: 18px 20px; display: flex; gap: 14px; align-items: center; background: #fff;
  border: var(--bw) solid var(--ink); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.stat:nth-child(1) { background: var(--lime); }
.stat:nth-child(2) { background: #fff; }
.stat:nth-child(3) { background: var(--yellow); }
.stat:nth-child(4) { background: var(--brand-soft); }
.stat .ico { width: 44px; height: 44px; border-radius: 12px; background: #fff; border: var(--bw) solid var(--ink); display: grid; place-items: center; font-size: 1.25rem; flex-shrink: 0; }
.stat b { display: block; font-size: 1.15rem; line-height: 1.2; }
.stat span { font-size: .85rem; color: var(--ink-2); }

/* ---------- sections ---------- */
section { padding: 72px 0; scroll-margin-top: 68px; }
.alt { background: var(--bg-soft); border-block: var(--bw) solid var(--ink); }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: .1em; font-size: .78rem; font-weight: 800;
  background: var(--ink); color: var(--lime); padding: 5px 12px; border-radius: 999px; transform: rotate(-2deg);
}
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 14px 0 10px; letter-spacing: -.03em; line-height: 1.05; font-weight: 800; }
.section-lead { color: var(--ink-2); max-width: 640px; margin: 0 0 30px; font-size: 1.05rem; }

.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.tabs .chip { font-size: .95rem; padding: 8px 18px; }

.cat-block + .cat-block { margin-top: 44px; }
.cat-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.cat-head h3 { margin: 0; font-size: 1.5rem; letter-spacing: -.02em; }
.cat-head span { font-family: var(--hand); font-size: 1.35rem; color: var(--brand-dark); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 22px; }
.card {
  background: #fff; border: var(--bw) solid var(--ink); border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 10px; transition: transform .15s, box-shadow .15s; position: relative;
  box-shadow: var(--shadow);
}
.card:hover { transform: translate(-3px, -3px) rotate(-.4deg); box-shadow: 8px 8px 0 var(--ink); }
.card-top { display: flex; gap: 12px; align-items: center; }
.card-ico {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; font-size: 1.3rem; color: #fff;
  flex-shrink: 0; border: var(--bw) solid var(--ink);
}
.card h4 { margin: 0; font-size: 1.12rem; letter-spacing: -.01em; }
.card small { color: var(--ink-2); }
.card p { margin: 0; color: var(--ink-2); font-size: .9rem; flex: 1; }
.price { display: flex; align-items: baseline; gap: 8px; }
.price b { font-size: 1.45rem; font-family: var(--display); }
.price s { color: #8a8a8a; font-size: .9rem; }
.price .off { background: var(--yellow); border: 2px solid var(--ink); border-radius: 999px; padding: 0 8px; font-size: .75rem; font-weight: 800; }
.card-actions { display: flex; gap: 10px; }
.card-actions .btn { flex: 1; }
.badge {
  position: absolute; top: -13px; right: 14px; font-size: .74rem; font-weight: 800; padding: 4px 11px; border-radius: 999px;
  border: var(--bw) solid var(--ink); font-family: var(--display); transform: rotate(4deg);
}
.badge.free { background: var(--lime); color: var(--ink); }
.badge.soon { background: var(--pink); color: #fff; }
.empty { padding: 32px; text-align: center; color: var(--ink-2); border: var(--bw) dashed var(--ink); border-radius: var(--radius); background: #fff; }

/* ---------- preview strip ---------- */
.previews { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 20px; }
.preview {
  cursor: zoom-in; border-radius: 12px; overflow: hidden; border: var(--bw) solid var(--ink);
  background: var(--paper); box-shadow: var(--shadow-sm); transition: .15s;
}
.preview:nth-child(odd) { transform: rotate(-1.5deg); }
.preview:nth-child(even) { transform: rotate(1.5deg); }
.preview:hover { transform: rotate(0) scale(1.04); box-shadow: var(--shadow); }
.preview figcaption { padding: 8px 10px; font-size: .8rem; font-weight: 700; background: var(--yellow); border-top: var(--bw) solid var(--ink); }

/* ---------- pass ---------- */
.pass {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center;
  background: var(--brand); color: #fff; border-radius: 28px; padding: 44px;
  border: var(--bw) solid var(--ink); box-shadow: 8px 8px 0 var(--ink);
}
.pass h2 { color: #fff; }
.pass .eyebrow { background: var(--lime); color: var(--ink); }
.pass ul { padding: 0; list-style: none; margin: 18px 0 0; display: grid; gap: 10px; font-weight: 600; }
.pass li::before { content: "✦"; color: var(--lime); margin-right: 10px; }
.pass-card {
  background: #fff; color: var(--ink); border-radius: 20px; padding: 26px;
  border: var(--bw) solid var(--ink); box-shadow: var(--shadow); transform: rotate(2deg);
}
.pass-card .big { font-size: 2.6rem; font-weight: 800; letter-spacing: -.03em; }
.pass-card .btn { width: 100%; margin-top: 14px; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: #fff; border: var(--bw) solid var(--ink); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.step:nth-child(1) { background: var(--lime); }
.step:nth-child(2) { background: var(--yellow); }
.step:nth-child(3) { background: var(--brand-soft); }
.step .n {
  width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: #fff;
  font-family: var(--display); font-size: 1.4rem; font-weight: 800;
}
.step h4 { margin: 14px 0 6px; font-size: 1.2rem; }
.step p { margin: 0; color: var(--ink-2); font-size: .95rem; }

/* ---------- levels ---------- */
.levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.level { border: var(--bw) solid var(--ink); border-radius: var(--radius); padding: 22px; background: #fff; box-shadow: var(--shadow-sm); }
.level .tag { font-family: var(--hand); font-size: 1.6rem; line-height: 1; }
.level h4 { margin: 8px 0 6px; font-size: 1.15rem; }
.level p { margin: 0; color: var(--ink-2); font-size: .93rem; }

/* ---------- faq ---------- */
.faq { max-width: 800px; }
details { border: var(--bw) solid var(--ink); border-radius: 14px; padding: 16px 20px; background: #fff; box-shadow: var(--shadow-sm); }
details + details { margin-top: 14px; }
details[open] { background: #fffbe0; }
summary { cursor: pointer; font-weight: 800; font-family: var(--display); font-size: 1.05rem; }
details p { margin: 10px 0 0; color: var(--ink-2); }

/* ---------- footer ---------- */
footer { background: var(--ink); color: #d4d4d4; padding: 52px 0 28px; }
footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
footer h5 { color: var(--lime); margin: 0 0 12px; font-size: 1rem; font-family: var(--display); }
footer a { display: block; padding: 3px 0; color: #bdbdbd; }
footer a:hover { color: var(--yellow); }
footer .logo-mark { box-shadow: 3px 3px 0 var(--pink); }
.big-word {
  font-family: var(--display); font-weight: 800; font-size: clamp(3rem, 12vw, 9rem); letter-spacing: -.05em; line-height: .9;
  color: transparent; -webkit-text-stroke: 2px #3a3a3a; margin-top: 36px; user-select: none; overflow: hidden; white-space: nowrap;
}
.copy { border-top: 1px solid #2c2c2c; margin-top: 24px; padding-top: 18px; font-size: .85rem; color: #8a8a8a; }

/* ---------- course page ---------- */
.course-hero { padding: 44px 0 36px; background: var(--bg-soft); border-bottom: var(--bw) solid var(--ink); }
.crumbs { font-size: .88rem; color: var(--ink-2); margin-bottom: 14px; font-weight: 600; }
.crumbs a { color: var(--brand-dark); text-decoration: underline; text-decoration-thickness: 2px; }
.course-hero .row { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.course-hero .card-ico { width: 68px; height: 68px; font-size: 2rem; border-radius: 18px; box-shadow: var(--shadow-sm); transform: rotate(-5deg); }
.course-hero h1 { margin: 0; font-size: clamp(2rem, 4.2vw, 3rem); }
.meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; align-items: center; }
.units { display: grid; gap: 18px; }
.unit {
  display: grid; grid-template-columns: 120px 1fr auto; gap: 20px; align-items: center;
  background: #fff; border: var(--bw) solid var(--ink); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm);
  transition: .15s;
}
.unit:hover { box-shadow: var(--shadow); transform: translate(-2px, -2px); }
.unit img { border-radius: 8px; border: 2px solid var(--ink); cursor: zoom-in; }
.unit .no {
  display: inline-block; font-family: var(--display); font-weight: 800; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
  background: var(--lime); border: 2px solid var(--ink); border-radius: 999px; padding: 2px 10px;
}
.unit h4 { margin: 8px 0 4px; font-size: 1.15rem; }
.unit p { margin: 0; color: var(--ink-2); font-size: .9rem; }
.unit .acts { display: flex; flex-direction: column; gap: 10px; }
.unit .acts-2 { display: grid; grid-template-columns: 1fr 1fr; }

/* ---------- lightbox ---------- */
.lightbox { position: fixed; inset: 0; background: rgba(17, 17, 17, .85); display: none; place-items: center; z-index: 50; padding: 20px; }
.lightbox.open { display: grid; }
.lightbox img { max-height: 92vh; width: auto; border-radius: 10px; border: 3px solid var(--lime); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap, .pass { grid-template-columns: 1fr; }
  .hero-art { height: 380px; max-width: 520px; width: 100%; margin-inline: auto; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .steps, .levels { grid-template-columns: 1fr; }
  footer .cols { grid-template-columns: 1fr; }
  .pass-card { transform: none; }
}
@media (max-width: 720px) {
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--bg);
    flex-direction: column; padding: 16px; border-bottom: var(--bw) solid var(--ink); gap: 8px;
  }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  .nav .btn-primary { display: none; }
  .hero { padding-top: 36px; }
  .hero-art { height: 290px; }
  .sticker { font-size: .85rem; padding: 7px 12px; }
  .sticker.st2 { left: 0; }
  .sticker.st3 { right: 0; }
  .stats .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 14px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .pass { padding: 24px; }
  .unit { grid-template-columns: 80px 1fr; }
  .unit .acts { grid-column: 1 / -1; flex-direction: row; }
  .unit .acts .btn { flex: 1; }
  .unit .acts-2 { display: grid; }
}

/* ---------- accounts ---------- */
.auth-nav { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-links + .auth-nav, .nav-links ~ .auth-nav { margin-left: 0; }
.auth-nav .pill { box-shadow: none; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.auth-card {
  background: #fff; border: var(--bw) solid var(--ink); border-radius: 24px; padding: 30px; box-shadow: 8px 8px 0 var(--ink);
  display: grid; gap: 14px;
}
.auth-card h2 { margin: 6px 0 0; }
.auth-card .eyebrow { justify-self: start; }
.auth-card label { display: grid; gap: 6px; font-weight: 700; font-size: .92rem; }
.auth-card input {
  padding: 12px 14px; border-radius: 12px; border: var(--bw) solid var(--ink); font: inherit; background: var(--bg);
}
.auth-card input:focus { outline: none; box-shadow: 4px 4px 0 var(--brand); }
.auth-error { color: #c0262d; font-weight: 700; margin: 0; min-height: 1.2em; }
.auth-foot { margin: 0; font-size: .9rem; color: var(--ink-2); text-align: center; }
.auth-foot a { color: var(--brand-dark); font-weight: 700; text-decoration: underline; }

/* ---------- secure viewer ---------- */
.viewer-body { background: #2b2b2b; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.viewer-bar .wrap { gap: 12px; width: min(1200px, 100% - 24px); }
.viewer-title { flex: 1; font-family: var(--display); font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.viewer-tools { display: flex; gap: 8px; }
.viewer-tools .btn { width: 40px; padding-inline: 0; font-size: 1.1rem; }
.pages { padding: 24px 12px 60px; display: grid; justify-items: center; gap: 22px; }
.page { background: #fff; border: var(--bw) solid var(--ink); border-radius: 6px; box-shadow: 6px 6px 0 #000; overflow: hidden; line-height: 0; }
.page canvas { display: block; max-width: 100%; height: auto; pointer-events: none; }
.viewer-msg {
  color: #fff; text-align: center; font-weight: 700; padding: 60px 20px; font-size: 1.1rem; max-width: 520px;
}
.shield {
  position: fixed; inset: 0; z-index: 60; display: none; place-items: center; text-align: center; padding: 20px;
  background: rgba(17, 17, 17, .96); color: var(--lime); font-family: var(--display); font-weight: 800; font-size: 1.4rem; cursor: pointer;
}
.shielded .shield { display: grid; }
.shielded .pages { filter: blur(24px); }
@media print {
  .viewer-body * { display: none !important; }
  .viewer-body::after { content: "Printing is disabled. Notes are protected by myprof.in"; display: block; }
}