/* ════════════════════════════════════════════════════════════════════
   JLEARN ONLINE 2.0 — TAILARK DUSK FRONTEND DESIGN SYSTEM
   Inspired by & faithful to: tailark.com/pages/dusk
   Obsidian dark-first canvas, luminous glassmorphic cards,
   monumental dual-tone typography, solid white pill actions,
   floating frosted capsule navbar, and interactive SaaS hero window.
   ════════════════════════════════════════════════════════════════════ */

:root {
  --dusk-bg: #030712;
  --dusk-bg-subtle: #080a12;
  --dusk-surface: rgba(15, 18, 28, 0.72);
  --dusk-surface-hover: rgba(22, 27, 42, 0.88);
  --dusk-surface-solid: #0d111c;
  --dusk-border: rgba(255, 255, 255, 0.08);
  --dusk-border-strong: rgba(255, 255, 255, 0.16);
  --dusk-border-glow: rgba(99, 102, 241, 0.45);
  --dusk-text-primary: #ffffff;
  --dusk-text-secondary: #9ca3af;
  --dusk-text-muted: #6b7280;
  --dusk-indigo: #6366f1;
  --dusk-indigo-glow: rgba(99, 102, 241, 0.22);
  --dusk-purple: #a855f7;
  --dusk-purple-glow: rgba(168, 85, 247, 0.18);
  --dusk-cyan: #06b6d4;
  --dusk-green: #10b981;
  --dusk-gold: #f59e0b;
  --dusk-red: #ef4444;
  --dusk-font-display: "Bricolage Grotesque", "Inter", -apple-system, system-ui, sans-serif;
  --dusk-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --dusk-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dusk-r-pill: 9999px;
  --dusk-r-card: 22px;
  --dusk-r-window: 24px;
}

#landing-page, .portal-page, body.portal-mode {
  --lp-bg: #030712;
  --lp-bg-2: #090d19;
  --lp-card: rgba(15, 18, 28, 0.75);
  --lp-card-2: rgba(20, 24, 38, 0.85);
  --lp-ink: #ffffff;
  --lp-ink-2: #9ca3af;
  --lp-muted: #6b7280;
  --lp-line: rgba(255, 255, 255, 0.08);
  --lp-line-2: rgba(255, 255, 255, 0.14);
  --lp-blue: #6366f1;
  --lp-blue-2: #818cf8;
  --lp-gold: #f59e0b;
  --lp-red: #ef4444;
  --lp-green: #10b981;
  --lp-violet: #a855f7;
  --lp-glass: rgba(8, 10, 18, 0.75);
  --lp-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(255, 255, 255, 0.05);
  --lp-shadow-lg: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 30px rgba(99, 102, 241, 0.12);
  --lp-r: 20px;
  --lp-r-lg: 28px;
  --lp-display: var(--dusk-font-display);
  --lp-sans: var(--dusk-font-sans);
  --lp-ease: var(--dusk-ease);

  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--lp-bg);
  color: var(--lp-ink);
  font-family: var(--lp-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Light Mode Overrides for Accessibility & User Choice */
[data-theme="light"] #landing-page,
[data-theme="light"] .portal-page,
[data-theme="light"] body.portal-mode,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page {
  --lp-bg: #f8fafc;
  --lp-bg-2: #f1f5f9;
  --lp-card: #ffffff;
  --lp-card-2: #f8fafc;
  --lp-ink: #0f172a;
  --lp-ink-2: #475569;
  --lp-muted: #64748b;
  --lp-line: rgba(15, 23, 42, 0.08);
  --lp-line-2: rgba(15, 23, 42, 0.14);
  --lp-blue: #4f46e5;
  --lp-blue-2: #6366f1;
  --lp-glass: rgba(255, 255, 255, 0.85);
  --lp-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  --lp-shadow-lg: 0 20px 50px -12px rgba(15, 23, 42, 0.12);
}

#landing-page *, #landing-page *::before, #landing-page *::after,
.portal-page *, .portal-page *::before, .portal-page *::after {
  box-sizing: border-box;
}

#landing-page a, .portal-page a {
  color: inherit;
  text-decoration: none;
}

#landing-page button, .portal-page button {
  font-family: inherit;
}

/* Container wrapper */
#landing-page .lp-wrap, .portal-page .lp-wrap {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
}

/* ──────────────────────────────────────────────────────────────────────────
   1. TAILARK DUSK BACKGROUND LIGHTING & RADIAL AMBIENCE
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-ambience {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 900px;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

#landing-page .lp-dusk-glow-top {
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at 50% 30%, rgba(99, 102, 241, 0.18) 0%, rgba(168, 85, 247, 0.12) 35%, rgba(6, 182, 212, 0.05) 55%, transparent 72%);
  filter: blur(80px);
  border-radius: 50%;
  opacity: 0.85;
}

#landing-page .lp-dusk-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 15%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse 70% 55% at 50% 15%, #000 20%, transparent 80%);
  pointer-events: none;
}

/* Light mode grid fallback */
[data-theme="light"] #landing-page .lp-dusk-grid,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-grid {
  background-image: 
    linear-gradient(to right, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

/* ──────────────────────────────────────────────────────────────────────────
   2. TAILARK DUSK FLOATING CAPSULE NAVBAR
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-header {
  position: sticky;
  top: 14px;
  z-index: 1000;
  padding-top: env(safe-area-inset-top, 0px);
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-bottom: 0;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  margin-bottom: 24px;
}

#landing-page .lp-dusk-nav {
  max-width: 1140px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 18px;
  border-radius: var(--dusk-r-pill);
  background: rgba(8, 10, 18, 0.78);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(255, 255, 255, 0.05);
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

#landing-page .lp-dusk-nav:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

[data-theme="light"] #landing-page .lp-dusk-nav,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-nav {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
}

/* Brand */
#landing-page .lp-dusk-brand {
  display: inline-flex;
  align-items: center;
  gap: clamp(6px, 1.8vw, 10px);
  font: 700 clamp(0.82rem, 1.2vw + 0.6rem, 1.05rem)/1 var(--lp-sans);
  letter-spacing: -0.02em;
  color: var(--lp-ink);
  cursor: pointer;
  user-select: none;
  min-width: 0;
  flex-shrink: 1;
}

#landing-page .lp-dusk-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #ffffff;
  font-size: 0.9rem;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.45);
}

#landing-page .lp-dusk-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--dusk-r-pill);
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  letter-spacing: 0.04em;
}

/* Nav center links */
#landing-page .lp-dusk-links {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 900px) {
  #landing-page .lp-dusk-links {
    display: flex;
  }
}

#landing-page .lp-dusk-link {
  padding: 8px 16px;
  border-radius: var(--dusk-r-pill);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--lp-ink-2);
  transition: color 0.2s ease, background 0.2s ease;
}

#landing-page .lp-dusk-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] #landing-page .lp-dusk-link:hover,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-link:hover {
  color: #0f172a;
  background: rgba(15, 23, 42, 0.05);
}

/* Nav right actions */
#landing-page .lp-dusk-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

#landing-page .lp-dusk-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--dusk-r-pill);
  border: 1px solid var(--lp-line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--lp-ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

#landing-page .lp-dusk-icon-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

#landing-page .lp-dusk-ghost-link {
  display: none;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--lp-ink-2);
  border-radius: var(--dusk-r-pill);
  transition: color 0.2s, background 0.2s;
}

@media (min-width: 640px) {
  #landing-page .lp-dusk-ghost-link {
    display: inline-flex;
  }
}

#landing-page .lp-dusk-ghost-link:hover {
  color: #ffffff;
}

/* TAILARK DUSK SOLID WHITE PILL BUTTON */
#landing-page .lp-btn-dusk-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--dusk-r-pill);
  background: #ffffff !important;
  color: #09090b !important;
  font: 600 0.88rem/1 var(--lp-sans);
  letter-spacing: -0.01em;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.18);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s var(--lp-ease), box-shadow 0.25s var(--lp-ease), opacity 0.2s;
}

#landing-page .lp-btn-dusk-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.28);
}

#landing-page .lp-btn-dusk-white:active {
  transform: translateY(0) scale(0.98);
}

/* Mobile Hamburger */
#landing-page .lp-dusk-hamburger {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--dusk-r-pill);
  border: 1px solid var(--lp-line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--lp-ink);
  cursor: pointer;
}

@media (min-width: 900px) {
  #landing-page .lp-dusk-hamburger {
    display: none !important;
  }
}

/* ──────────────────────────────────────────────────────────────────────────
   3. TAILARK DUSK HERO SECTION & DUAL-TONE TYPOGRAPHY
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-hero {
  position: relative;
  padding: 48px 0 64px;
  text-align: center;
}

/* Innovation Pill Badge (Seen on dusk-landing-1) */
#landing-page .lp-dusk-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 12px;
  border-radius: var(--dusk-r-pill);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.08);
  font-size: 0.85rem;
  font-weight: 500;
  color: #e2e8f0;
  margin-bottom: 28px;
  transition: transform 0.25s var(--lp-ease), border-color 0.25s, box-shadow 0.25s;
}

#landing-page .lp-dusk-pill:hover {
  transform: translateY(-1px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.2);
}

#landing-page .lp-dusk-pill-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--dusk-r-pill);
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  letter-spacing: 0.02em;
}

#landing-page .lp-dusk-pill i {
  font-size: 0.75rem;
  color: #94a3b8;
  transition: transform 0.2s ease;
}

#landing-page .lp-dusk-pill:hover i {
  transform: translateX(3px);
  color: #ffffff;
}

/* Monumental Display Headline */
#landing-page .lp-dusk-h1 {
  font: 800 clamp(2.5rem, 6.8vw, 4.6rem) / 1.05 var(--lp-display);
  letter-spacing: -0.04em;
  color: #ffffff;
  max-width: 960px;
  margin: 0 auto;
}

[data-theme="light"] #landing-page .lp-dusk-h1,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-h1 {
  color: #0f172a;
}

/* Dual-Tone Second Line (Tailark Dusk Signature) */
#landing-page .lp-dusk-h1 .lp-dusk-subline {
  display: block;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(156, 163, 175, 0.7) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] #landing-page .lp-dusk-h1 .lp-dusk-subline,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-h1 .lp-dusk-subline {
  background: linear-gradient(180deg, #475569 0%, #64748b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* Lead text */
#landing-page .lp-dusk-lead {
  max-width: 640px;
  margin: 22px auto 0;
  font-size: 1.12rem;
  line-height: 1.65;
  color: var(--lp-ink-2);
}

/* Hero Button Group */
#landing-page .lp-dusk-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

#landing-page .lp-btn-hero-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 32px;
  border-radius: var(--dusk-r-pill);
  background: #ffffff !important;
  color: #09090b !important;
  font: 600 1rem/1 var(--lp-sans);
  letter-spacing: -0.01em;
  box-shadow: 0 6px 30px rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: transform 0.3s var(--lp-ease), box-shadow 0.3s var(--lp-ease);
}

#landing-page .lp-btn-hero-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(255, 255, 255, 0.35);
}

#landing-page .lp-btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 28px;
  border-radius: var(--dusk-r-pill);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font: 600 1rem/1 var(--lp-sans);
  letter-spacing: -0.01em;
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: transform 0.3s var(--lp-ease), background 0.25s, border-color 0.25s;
}

#landing-page .lp-btn-hero-ghost:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

[data-theme="light"] #landing-page .lp-btn-hero-ghost,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-btn-hero-ghost {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.15);
}

/* Direct PWA install pill */
#landing-page .lp-dusk-install-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--dusk-r-pill);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #10b981;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s, border-color 0.25s;
}

#landing-page .lp-dusk-install-pill:hover {
  transform: translateY(-1px);
  background: rgba(16, 185, 129, 0.16);
  border-color: rgba(16, 185, 129, 0.45);
}

/* ──────────────────────────────────────────────────────────────────────────
   4. TAILARK DUSK HERO APP MOCKUP WINDOW (The Signature Dusk Centerpiece)
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-showcase-stage {
  position: relative;
  max-width: 1080px;
  margin: 56px auto 0;
  padding: 0 10px;
}

/* Luminous ambient blur behind window */
#landing-page .lp-dusk-stage-glow {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 80%;
  background: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.25) 0%, rgba(168, 85, 247, 0.15) 40%, transparent 70%);
  filter: blur(60px);
  border-radius: 40px;
  pointer-events: none;
  z-index: 0;
}

/* Window Shell */
#landing-page .lp-dusk-window {
  position: relative;
  z-index: 2;
  border-radius: var(--dusk-r-window);
  background: #090c15;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 35px 90px -20px rgba(0, 0, 0, 0.9), 0 0 45px rgba(99, 102, 241, 0.14);
  overflow: hidden;
  text-align: left;
}

[data-theme="light"] #landing-page .lp-dusk-window,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-window {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 25px 70px -15px rgba(15, 23, 42, 0.18);
}

/* Mac window header */
#landing-page .lp-dusk-window-bar {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--lp-line);
  background: rgba(15, 18, 28, 0.6);
}

#landing-page .lp-dusk-traffic-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

#landing-page .lp-dusk-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

#landing-page .lp-dusk-dot.dot-red { background: #ef4444; }
#landing-page .lp-dusk-dot.dot-yellow { background: #f59e0b; }
#landing-page .lp-dusk-dot.dot-green { background: #10b981; }

/* Interactive Role Tabs in Window Bar */
#landing-page .lp-dusk-window-tabs {
  display: inline-flex;
  padding: 4px;
  border-radius: var(--dusk-r-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  gap: 4px;
}

[data-theme="light"] #landing-page .lp-dusk-window-tabs,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-window-tabs {
  background: rgba(15, 23, 42, 0.05);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

#landing-page .lp-dusk-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--dusk-r-pill);
  border: none;
  background: transparent;
  color: var(--lp-ink-2);
  font: 600 0.85rem/1 var(--lp-sans);
  cursor: pointer;
  transition: all 0.2s ease;
}

#landing-page .lp-dusk-tab-btn i { font-size: 0.85rem; }

#landing-page .lp-dusk-tab-btn.active {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] #landing-page .lp-dusk-tab-btn.active,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-tab-btn.active {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

/* Window Content Body */
#landing-page .lp-dusk-window-body {
  padding: 32px 28px;
}

@media (max-width: 640px) {
  #landing-page .lp-dusk-window-body {
    padding: 22px 18px;
  }
}

/* Quiz Mockup in Window */
#landing-page .lp-dusk-quiz-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: var(--dusk-r-pill);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #818cf8;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

#landing-page .lp-dusk-quiz-question {
  font: 700 1.25rem/1.3 var(--lp-display);
  color: #ffffff;
  margin-bottom: 20px;
}

[data-theme="light"] #landing-page .lp-dusk-quiz-question,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-quiz-question {
  color: #0f172a;
}

#landing-page .lp-dusk-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

#landing-page .lp-dusk-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  font-size: 0.98rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

[data-theme="light"] #landing-page .lp-dusk-option,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-option {
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: #1e293b;
}

#landing-page .lp-dusk-option:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

#landing-page .lp-dusk-option.active {
  background: rgba(16, 185, 129, 0.09);
  border-color: #10b981;
  color: #ffffff;
}

#landing-page .lp-dusk-radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #6b7280;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

#landing-page .lp-dusk-option.active .lp-dusk-radio {
  background: #10b981;
  border-color: #10b981;
  color: #ffffff;
}

#landing-page .lp-dusk-score-pill {
  margin-left: auto;
  padding: 3px 10px;
  border-radius: var(--dusk-r-pill);
  font-size: 0.74rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

#landing-page .lp-dusk-window-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--lp-line);
}

#landing-page .lp-dusk-auto-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: #ffffff;
}

[data-theme="light"] #landing-page .lp-dusk-auto-badge,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-auto-badge {
  color: #0f172a;
}

/* Teacher Metrics View inside Window */
#landing-page .lp-dusk-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

#landing-page .lp-dusk-metric-box {
  padding: 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] #landing-page .lp-dusk-metric-box,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-metric-box {
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

#landing-page .lp-dusk-metric-val {
  display: block;
  font: 800 1.7rem/1.1 var(--lp-display);
  color: #ffffff;
  margin-top: 6px;
}

[data-theme="light"] #landing-page .lp-dusk-metric-val,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-metric-val {
  color: #0f172a;
}

/* ──────────────────────────────────────────────────────────────────────────
   5. TAILARK DUSK SECTION HEADINGS (Dual-Tone Split)
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-section-head {
  text-align: left;
  max-width: 820px;
  margin-bottom: 40px;
}

#landing-page .lp-dusk-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #818cf8;
  margin-bottom: 10px;
}

#landing-page .lp-dusk-h2 {
  font: 800 clamp(1.8rem, 4vw, 2.75rem)/1.15 var(--lp-display);
  letter-spacing: -0.035em;
  color: #ffffff;
}

[data-theme="light"] #landing-page .lp-dusk-h2,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-h2 {
  color: #0f172a;
}

#landing-page .lp-dusk-h2 .lp-dusk-subtext {
  display: block;
  color: #71717a;
}

[data-theme="light"] #landing-page .lp-dusk-h2 .lp-dusk-subtext,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-h2 .lp-dusk-subtext {
  color: #64748b;
}

/* ──────────────────────────────────────────────────────────────────────────
   7. TAILARK DUSK BENTO GRID & FEATURE CARDS
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 80px;
}

#landing-page .lp-dusk-card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--dusk-r-card);
  background: rgba(14, 17, 26, 0.72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--lp-ease), border-color 0.3s ease, box-shadow 0.35s var(--lp-ease);
  overflow: hidden;
}

[data-theme="light"] #landing-page .lp-dusk-card,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.06);
}

#landing-page .lp-dusk-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 0 30px rgba(99, 102, 241, 0.15);
}

#landing-page .lp-dusk-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

#landing-page .lp-ic-indigo { color: #818cf8; background: rgba(99, 102, 241, 0.12); border-color: rgba(99, 102, 241, 0.25); }
#landing-page .lp-ic-amber { color: #fbbf24; background: rgba(245, 158, 11, 0.12); border-color: rgba(245, 158, 11, 0.25); }
#landing-page .lp-ic-emerald { color: #34d399; background: rgba(16, 185, 129, 0.12); border-color: rgba(16, 185, 129, 0.25); }

#landing-page .lp-dusk-card h3 {
  font: 750 1.35rem/1.2 var(--lp-display);
  color: #ffffff;
  margin: 0 0 10px 0;
  letter-spacing: -0.02em;
}

[data-theme="light"] #landing-page .lp-dusk-card h3,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-card h3 {
  color: #0f172a;
}

#landing-page .lp-dusk-card p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--lp-ink-2);
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────────────
   8. TAILARK DUSK TEACHER TOOLKIT (6 Interactive Cards)
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 80px;
}

#landing-page .lp-dusk-tool-item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: 18px;
  background: rgba(14, 17, 26, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s var(--lp-ease), border-color 0.25s, box-shadow 0.3s var(--lp-ease);
}

[data-theme="light"] #landing-page .lp-dusk-tool-item,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-tool-item {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

#landing-page .lp-dusk-tool-item:hover {
  transform: translateY(-3px);
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: 0 14px 30px -10px rgba(99, 102, 241, 0.18);
}

#landing-page .lp-dusk-tool-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 0.85rem;
  color: #6b7280;
  transition: transform 0.25s var(--lp-ease), color 0.2s;
}

#landing-page .lp-dusk-tool-item:hover .lp-dusk-tool-arrow {
  transform: translate(3px, -3px);
  color: #ffffff;
}

#landing-page .lp-dusk-tool-item h4 {
  font: 750 1.15rem/1.2 var(--lp-display);
  color: #ffffff;
  margin: 12px 0 6px 0;
  letter-spacing: -0.015em;
}

[data-theme="light"] #landing-page .lp-dusk-tool-item h4,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-tool-item h4 {
  color: #0f172a;
}

#landing-page .lp-dusk-tool-item p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--lp-ink-2);
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────────────
   9. TAILARK DUSK 3-STEP PROCESS (01, 02, 03)
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 80px;
}

#landing-page .lp-dusk-step-card {
  padding: 32px 28px;
  border-radius: var(--dusk-r-card);
  background: rgba(14, 17, 26, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] #landing-page .lp-dusk-step-card,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-step-card {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

#landing-page .lp-dusk-step-num {
  font: 800 2.4rem/1 var(--lp-display);
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #ffffff, #6366f1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

/* ──────────────────────────────────────────────────────────────────────────
   10. TAILARK DUSK FAQ ACCORDION
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-faq-wrap {
  max-width: 860px;
  margin: 0 auto 80px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#landing-page .lp-dusk-faq-row {
  border-radius: 16px;
  background: rgba(14, 17, 26, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: border-color 0.25s;
  cursor: pointer;
}

[data-theme="light"] #landing-page .lp-dusk-faq-row,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-faq-row {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

#landing-page .lp-dusk-faq-row:hover {
  border-color: rgba(99, 102, 241, 0.35);
}

#landing-page .lp-dusk-faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font: 700 1.05rem/1.35 var(--lp-display);
  color: #ffffff;
  user-select: none;
}

[data-theme="light"] #landing-page .lp-dusk-faq-q,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-faq-q {
  color: #0f172a;
}

#landing-page .lp-dusk-faq-icon {
  font-size: 0.9rem;
  color: #6b7280;
  transition: transform 0.3s var(--lp-ease);
}

#landing-page .lp-dusk-faq-row.is-open .lp-dusk-faq-icon {
  transform: rotate(180deg);
  color: #818cf8;
}

#landing-page .lp-dusk-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--lp-ease), padding 0.35s var(--lp-ease);
  padding: 0 24px;
}

#landing-page .lp-dusk-faq-row.is-open .lp-dusk-faq-a {
  max-height: 240px;
  padding: 0 24px 20px;
}

#landing-page .lp-dusk-faq-a p {
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--lp-ink-2);
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────────────
   11. TAILARK DUSK HIGH-IMPACT CTA ISLAND
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-cta-island {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 68px 32px;
  margin-bottom: 72px;
  text-align: center;
  background: radial-gradient(ellipse at 50% -20%, rgba(99, 102, 241, 0.28) 0%, rgba(168, 85, 247, 0.16) 45%, #080b14 85%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8);
}

#landing-page .lp-dusk-cta-island h2 {
  font: 800 clamp(2rem, 5vw, 3.4rem)/1.1 var(--lp-display);
  letter-spacing: -0.04em;
  color: #ffffff;
  max-width: 760px;
  margin: 0 auto 16px;
}

#landing-page .lp-dusk-cta-island p {
  max-width: 580px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #cbd5e1;
}

/* ──────────────────────────────────────────────────────────────────────────
   12. TAILARK DUSK FOOTER
   ────────────────────────────────────────────────────────────────────────── */
#landing-page .lp-dusk-footer {
  border-top: 1px solid var(--lp-line);
  padding: 64px 0 calc(36px + env(safe-area-inset-bottom, 0px));
}

#landing-page .lp-dusk-foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  #landing-page .lp-dusk-foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  #landing-page .lp-dusk-foot-brand-col {
    grid-column: 1 / -1;
  }
}

#landing-page .lp-dusk-foot-col h5 {
  font: 700 0.8rem/1 var(--lp-sans);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #ffffff;
  margin: 0 0 16px 0;
}

[data-theme="light"] #landing-page .lp-dusk-foot-col h5,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-foot-col h5 {
  color: #0f172a;
}

#landing-page .lp-dusk-foot-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--lp-ink-2);
  margin-bottom: 10px;
  transition: color 0.2s;
}

#landing-page .lp-dusk-foot-col a:hover {
  color: #ffffff;
}

[data-theme="light"] #landing-page .lp-dusk-foot-col a:hover,
body:not(.dark-mode):not([data-theme="dark"]) #landing-page .lp-dusk-foot-col a:hover {
  color: #0f172a;
}

#landing-page .lp-dusk-foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--lp-line);
  font-size: 0.85rem;
  color: #6b7280;
}

/* Floating Back to Top Button */
#landing-page .lp-back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--dusk-r-pill);
  background: rgba(14, 18, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  font: 700 0.88rem/1 var(--lp-sans);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

#landing-page .lp-back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ──────────────────────────────────────────────────────────────────────────
   13. PORTAL PAGES STYLING (Student Portal & Teacher Dashboard unified)
   ────────────────────────────────────────────────────────────────────────── */
.portal-page {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--lp-bg);
  color: var(--lp-ink);
  font-family: var(--lp-sans);
  overflow-x: clip;
}

.portal-page .login-container {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 100vh !important;
  min-height: 100dvh !important;
  padding: 85px max(20px, env(safe-area-inset-right, 0px)) calc(65px + env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px)) !important;
  position: relative !important;
  z-index: 2 !important;
}

.portal-page .login-card {
  width: 100%;
  max-width: 480px;
  background: rgba(15, 18, 28, 0.8) !important;
  backdrop-filter: blur(20px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: var(--dusk-r-card) !important;
  padding: 2.5rem 2.25rem !important;
  box-shadow: 0 25px 70px -15px rgba(0, 0, 0, 0.8), 0 0 35px rgba(99, 102, 241, 0.12) !important;
  position: relative;
  z-index: 2;
  transition: transform 0.3s var(--lp-ease), box-shadow 0.3s var(--lp-ease);
}

[data-theme="light"] .portal-page .login-card,
body:not(.dark-mode):not([data-theme="dark"]) .portal-page .login-card {
  background: #ffffff !important;
  border: 1px solid rgba(15, 23, 42, 0.1) !important;
  box-shadow: 0 20px 50px -12px rgba(15, 23, 42, 0.12) !important;
}

.portal-page .login-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.portal-page .login-header i {
  font-size: 2.4rem;
  margin-bottom: 0.6rem;
  display: inline-block;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.portal-page .login-header h2 {
  font: 800 1.75rem/1.2 var(--lp-display) !important;
  color: var(--lp-ink) !important;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.portal-page .login-header p {
  font-size: 0.95rem;
  color: var(--lp-muted) !important;
  line-height: 1.5;
}

.portal-page .form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

.portal-page .form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--lp-ink-2);
  margin-bottom: 0.45rem;
}

.portal-page .form-group input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-size: 0.95rem;
  font-family: var(--lp-sans);
  color: var(--lp-ink);
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 12px !important;
  transition: all 0.2s ease;
  outline: none;
  box-sizing: border-box;
}

.portal-page .form-group input:focus {
  border-color: #6366f1 !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
}

.portal-page .login-footer {
  margin-top: 1.5rem !important;
  padding-top: 1.25rem !important;
  border-top: 1px solid var(--lp-line-2) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 0.65rem !important;
  align-items: stretch !important;
  width: 100% !important;
}

.portal-page .login-footer a {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem !important;
  width: 100% !important;
  padding: 0.72rem 1.25rem !important;
  border-radius: 12px !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: var(--lp-ink-2) !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
}

.portal-page .login-footer a:hover {
  background: rgba(99, 102, 241, 0.16) !important;
  border-color: #6366f1 !important;
  color: #ffffff !important;
}

/* Suppress legacy fixed footer while landing page is visible */
body:has(#landing-page.active) #site-footer,
body:has(#landing-page:not([style*="display: none"])) #site-footer,
#site-footer.lp-suppressed {
  display: none !important;
}

.lp-js #landing-page [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--lp-ease), transform 0.5s var(--lp-ease);
  transition-delay: var(--d, 0s);
}

.lp-js #landing-page [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════════════════════════════════════
   14. DUSK CAPSULE NAV — MOBILE MENU DRAWER (below 900px)
   ══════════════════════════════════════════════════════════════════════ */
#landing-page .lp-dusk-brand-name {
  display: inline-block;
  white-space: nowrap;
  font-size: clamp(0.82rem, 1.2vw + 0.6rem, 1.05rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  min-width: 0;
  transition: font-size 0.2s ease;
}

.lp-dusk-overlay {
  position: fixed;
  inset: 0;
  z-index: 1190;
  background: rgba(4, 6, 12, 0.72);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lp-dusk-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lp-dusk-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(330px, 88vw);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px 20px calc(24px + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 12, 20, 0.97);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  transform: translateX(105%);
  visibility: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  transition: transform 0.34s var(--lp-ease), visibility 0.34s ease;
}

.lp-dusk-drawer.active {
  transform: none;
  visibility: visible;
}

.lp-dusk-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Drawer lives outside #landing-page, so re-assert link styling here */
.lp-dusk-drawer a {
  color: inherit;
  text-decoration: none;
}

.lp-dusk-drawer-close {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--dusk-r-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.lp-dusk-drawer-close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
}

.lp-dusk-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lp-dusk-drawer-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--lp-ink-2);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.lp-dusk-drawer-links a:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.lp-dusk-drawer-links i {
  width: 18px;
  text-align: center;
  color: #818cf8;
}

.lp-dusk-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.lp-dusk-drawer-actions .lp-btn-dusk-white {
  width: 100%;
  height: 46px;
}

.lp-dusk-drawer-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  border-radius: var(--dusk-r-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.lp-dusk-drawer-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

body.lp-drawer-open {
  overflow: hidden;
}

/* css/modern-enhancements.css gives `.page.active` an identity transform
   (translateY(0)). Any transform makes that element the containing block for
   position:fixed descendants, which would stretch this drawer over the whole
   document instead of the viewport (same for #lpBackToTop). Neutralize it. */
#landing-page.page.active {
  transform: none;
}

/* ══════════════════════════════════════════════════════════════════════
   15. LIVE SHOWCASE QUIZ — INTERACTIVE DEMO STATES
   ══════════════════════════════════════════════════════════════════════ */
#landing-page .lp-dusk-demo-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

#landing-page .lp-dusk-demo-step {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--lp-ink-2);
}

#landing-page .lp-dusk-demo-score {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #34d399;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.32);
  border-radius: var(--dusk-r-pill);
  padding: 3px 10px;
  white-space: nowrap;
}

#landing-page .lp-dusk-progress {
  height: 6px;
  border-radius: var(--dusk-r-pill);
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
  margin-bottom: 20px;
}

#landing-page .lp-dusk-progress-fill {
  display: block;
  height: 100%;
  width: 20%;
  border-radius: inherit;
  background: linear-gradient(90deg, #6366f1 0%, #a855f7 100%);
  transition: width 0.4s var(--lp-ease);
}

#landing-page button.lp-dusk-option {
  width: 100%;
  font-family: inherit;
  text-align: left;
  -webkit-appearance: none;
  appearance: none;
}

#landing-page .lp-dusk-option {
  flex-wrap: wrap;
}

#landing-page .lp-dusk-option .lp-dusk-opt-text {
  flex: 1;
  min-width: 0;
}

#landing-page .lp-dusk-score-pill {
  white-space: nowrap;
}

#landing-page .lp-dusk-score-pill.is-miss {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
}

#landing-page .lp-dusk-option.is-correct {
  background: rgba(16, 185, 129, 0.12);
  border-color: #10b981;
  color: #ffffff;
}

#landing-page .lp-dusk-option.is-correct .lp-dusk-radio {
  background: #10b981;
  border-color: #10b981;
  color: #ffffff;
}

#landing-page .lp-dusk-option.is-wrong {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
  color: #ffffff;
}

#landing-page .lp-dusk-option.is-wrong .lp-dusk-radio {
  background: #ef4444;
  border-color: #ef4444;
  color: #ffffff;
}

#landing-page .lp-dusk-option.is-reveal {
  border-color: rgba(16, 185, 129, 0.7);
}

#landing-page .lp-dusk-option.is-done {
  cursor: default;
}

#landing-page .lp-dusk-option.is-dim {
  opacity: 0.55;
}

#landing-page .lp-dusk-demo-feedback {
  margin: -10px 0 16px;
  min-height: 18px;
  font-size: 0.9rem;
  font-weight: 600;
}

#landing-page .lp-dusk-demo-feedback.is-ok { color: #34d399; }
#landing-page .lp-dusk-demo-feedback.is-bad { color: #f87171; }

#landing-page .lp-dusk-next-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--dusk-r-pill);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font: 600 0.85rem/1 var(--lp-sans);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

#landing-page .lp-dusk-next-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

#landing-page .lp-dusk-next-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

#landing-page .lp-dusk-demo-results {
  text-align: center;
  padding: 6px 0 4px;
}

#landing-page .lp-dusk-result-icon {
  font-size: 2.1rem;
  color: var(--dusk-gold, #fbbf24);
  margin-bottom: 8px;
}

#landing-page .lp-dusk-result-title {
  font: 700 1.05rem/1.3 var(--lp-display);
  color: #ffffff;
}

#landing-page .lp-dusk-result-score {
  font: 800 clamp(2.2rem, 7vw, 2.8rem)/1.1 var(--lp-display);
  color: #34d399;
  margin: 8px 0 4px;
}

#landing-page .lp-dusk-result-meta {
  font-size: 0.9rem;
  color: var(--lp-ink-2);
  margin-bottom: 18px;
}

#landing-page .lp-dusk-restart-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 22px;
  border: none;
  border-radius: var(--dusk-r-pill);
  background: #ffffff;
  color: #09090b;
  font: 600 0.9rem/1 var(--lp-sans);
  cursor: pointer;
  transition: transform 0.2s var(--lp-ease), box-shadow 0.2s var(--lp-ease);
}

#landing-page .lp-dusk-restart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.28);
}

/* Teacher Tools login-gate cue */
#landing-page .lp-dusk-tool-item {
  position: relative;
}

#landing-page .lp-dusk-tools-lock {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 4px 10px;
  border-radius: var(--dusk-r-pill);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.28);
  color: #a5b4fc;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

#landing-page .lp-dusk-foot-col a .lp-dusk-foot-lock {
  margin-left: 6px;
  color: #6b7280;
  font-size: 0.72rem;
}

/* ══════════════════════════════════════════════════════════════════════
   16. RESPONSIVE: CAPSULE NAV, HERO & SHOWCASE WINDOW ON SMALL SCREENS
   ══════════════════════════════════════════════════════════════════════ */
/* The capsule nav holds brand + theme toggle + hamburger.
   "JLearn Online" remains visible across all screens with fluid, flexible sizing. */
@media (max-width: 480px) {
  #landing-page .lp-dusk-nav {
    padding: 0 clamp(8px, 2.5vw, 14px) !important;
    gap: clamp(6px, 1.5vw, 10px) !important;
    height: clamp(52px, 7vw, 56px) !important;
  }
  #landing-page .lp-dusk-brand {
    gap: 7px !important;
  }
  #landing-page .lp-dusk-brand-name {
    display: inline-block !important;
    font-size: clamp(0.82rem, 3.2vw, 0.96rem) !important;
  }
  #landing-page .lp-dusk-logo-mark {
    width: 30px !important;
    height: 30px !important;
    font-size: 0.85rem !important;
  }
  #landing-page .lp-dusk-actions {
    gap: 6px !important;
  }
  #landing-page .lp-dusk-icon-btn,
  #landing-page .lp-dusk-hamburger {
    width: 36px !important;
    height: 36px !important;
  }
}

@media (max-width: 360px) {
  #landing-page .lp-dusk-nav {
    padding: 0 8px 0 10px !important;
    gap: 6px !important;
    height: 50px !important;
  }
  #landing-page .lp-dusk-brand {
    gap: 6px !important;
  }
  #landing-page .lp-dusk-brand-name {
    display: inline-block !important;
    font-size: 0.8rem !important;
    letter-spacing: -0.03em !important;
  }
  #landing-page .lp-dusk-logo-mark {
    width: 28px !important;
    height: 28px !important;
    font-size: 0.8rem !important;
  }
  #landing-page .lp-dusk-badge {
    display: none !important;
  }
  #landing-page .lp-dusk-actions {
    gap: 5px !important;
  }
  #landing-page .lp-dusk-icon-btn,
  #landing-page .lp-dusk-hamburger {
    width: 34px !important;
    height: 34px !important;
  }
}

@media (max-width: 720px) {
  #landing-page .lp-dusk-hero {
    padding: 36px 0 52px;
  }

  #landing-page .lp-dusk-h1 {
    margin-top: 4px;
  }

  #landing-page .lp-dusk-showcase-stage {
    margin-top: 36px;
    padding: 0 6px;
  }

  /* Mac window header: stack instead of crushing the tabs */
  #landing-page .lp-dusk-window-bar {
    height: auto;
    min-height: 48px;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 10px 12px;
  }

  #landing-page .lp-dusk-traffic-dots {
    display: none;
  }

  #landing-page .lp-dusk-window-tabs {
    display: flex;
    width: 100%;
  }

  #landing-page .lp-dusk-tab-btn {
    flex: 1;
    min-width: 0;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    font-size: 0.78rem;
  }
}

@media (max-width: 420px) {
  #landing-page .lp-dusk-tab-btn i {
    display: none;
  }
  #landing-page .lp-dusk-tab-btn {
    font-size: 0.74rem;
  }

  #landing-page .lp-dusk-cta-group {
    gap: 10px;
  }

  #landing-page .lp-btn-hero-white,
  #landing-page .lp-btn-hero-ghost {
    height: 48px;
    padding: 0 22px;
    font-size: 0.95rem;
  }

  #landing-page .lp-dusk-install-pill {
    height: 42px;
    padding: 0 16px;
    font-size: 0.85rem;
  }

  #landing-page .lp-dusk-lead {
    font-size: 1.02rem;
  }

  #landing-page .lp-dusk-quiz-badge {
    font-size: 0.76rem;
    padding: 5px 10px;
  }

  #landing-page .lp-dusk-quiz-question {
    font-size: 1.08rem;
    margin-bottom: 16px;
  }

  #landing-page .lp-dusk-option {
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 14px;
    font-size: 0.92rem;
  }

  #landing-page .lp-dusk-score-pill {
    margin-left: auto;
  }

  #landing-page .lp-dusk-metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
  }

  #landing-page .lp-dusk-metric-box {
    padding: 14px;
  }

  #landing-page .lp-dusk-metric-val {
    font-size: 1.35rem;
  }

  #landing-page .lp-dusk-window-footer {
    justify-content: flex-start;
  }
}