/* =========================================================================
   QuizMasterPlus — Production Stylesheet
   Developed by Queen Touch Technology
   Standalone, build-free CSS design system (no preprocessor required).
   Organized: Tokens -> Reset -> Base -> Layout -> Utilities -> Components
              -> Sections -> Animations -> Accessibility -> Responsive
   ========================================================================= */

/* ---------------------------------------------------------------------- */
/* 1. DESIGN TOKENS                                                        */
/* ---------------------------------------------------------------------- */
:root {
  /* Color System */
  --color-primary: #3865d8;
  --color-primary-hover: #2e5fd1;
  --color-secondary: #4d7eff;
  --color-accent: #1f4fc4;
  --color-bg: #ffffff;
  --color-bg-light: #f5f8ff;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-border: #e5e7eb;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-white: #ffffff;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3865d8 0%, #4d7eff 50%, #1f4fc4 100%);
  --gradient-soft: linear-gradient(180deg, #f5f8ff 0%, #ffffff 100%);
  --gradient-text: linear-gradient(135deg, #3865d8 0%, #4d7eff 100%);

  /* Typography */
  --font-sans: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Radius */
  --radius-sm: 10px;
  --radius-btn: 16px;
  --radius-lg: 20px;
  --radius-card: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(30, 41, 59, 0.04);
  --shadow-soft: 0 4px 24px rgba(30, 41, 59, 0.06);
  --shadow-card: 0 8px 32px rgba(56, 101, 216, 0.08);
  --shadow-lift: 0 20px 48px rgba(56, 101, 216, 0.16);
  --shadow-nav: 0 2px 20px rgba(30, 41, 59, 0.06);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1280px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 450ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-index scale */
  --z-nav: 100;
  --z-modal: 200;
  --z-toast: 300;
  --z-progress: 150;
}

[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-light: #141d33;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-border: #263349;
  --color-white: #1a2438;
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lift: 0 20px 48px rgba(0, 0, 0, 0.5);
}

/* ---------------------------------------------------------------------- */
/* 2. RESET                                                                 */
/* ---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

html:not(.no-smooth) { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--transition-base), color var(--transition-base);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--color-primary); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg-light); }
::-webkit-scrollbar-thumb { background: var(--color-secondary); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ---------------------------------------------------------------------- */
/* 3. TYPOGRAPHY                                                            */
/* ---------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: var(--color-text); }

h1, .h1 { font-size: clamp(2.25rem, 1.7rem + 2.5vw, 3.75rem); font-weight: 800; }
h2, .h2 { font-size: clamp(1.875rem, 1.5rem + 1.6vw, 3rem); font-weight: 800; }
h3, .h3 { font-size: clamp(1.5rem, 1.3rem + 0.9vw, 2rem); font-weight: 700; }
h4, .h4 { font-size: 1.375rem; font-weight: 600; }
h5, .h5 { font-size: 1.125rem; font-weight: 600; }
h6, .h6 { font-size: 1rem; font-weight: 600; }

p { color: var(--color-muted); }
.lead { font-size: 1.25rem; line-height: 1.7; color: var(--color-muted); }
small, .text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-muted); }
.text-white { color: #fff; }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* ---------------------------------------------------------------------- */
/* 4. LAYOUT                                                                */
/* ---------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-narrow { max-width: 860px; margin-inline: auto; padding-inline: var(--space-6); }
.container-md { max-width: 1024px; margin-inline: auto; padding-inline: var(--space-6); }

.section { padding-block: var(--space-24); }
.section-sm { padding-block: var(--space-16); }
.section-lg { padding-block: clamp(4rem, 3rem + 5vw, 8rem); }
.bg-light { background: var(--color-bg-light); }
.bg-surface { background: var(--color-bg); }
.bg-gradient { background: var(--gradient-primary); }
.bg-gradient-soft { background: var(--gradient-soft); }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.mx-auto { margin-inline: auto; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }

.relative { position: relative; }
.sticky { position: sticky; }
.hidden { display: none !important; }
.w-full { width: 100%; }
.rounded-btn { border-radius: var(--radius-btn); }
.rounded-card { border-radius: var(--radius-card); }
.rounded-full { border-radius: var(--radius-full); }
.overflow-hidden { overflow: hidden; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -60px; background: var(--color-primary);
  color: #fff; padding: 0.75rem 1.25rem; border-radius: var(--radius-sm);
  z-index: 999; transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

/* ---------------------------------------------------------------------- */
/* 5. GLASSMORPHISM & SURFACES                                             */
/* ---------------------------------------------------------------------- */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .glass {
  background: rgba(15, 23, 42, 0.65);
  border-color: rgba(255, 255, 255, 0.08);
}

.glass-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.5rem 1rem; border-radius: var(--radius-full);
  background: rgba(56, 101, 216, 0.08);
  border: 1px solid rgba(56, 101, 216, 0.16);
  color: var(--color-primary); font-weight: 600; font-size: 0.875rem;
}

/* ---------------------------------------------------------------------- */
/* 6. BUTTONS                                                              */
/* ---------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.75rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-card); }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-lift); transform: translateY(-2px); }

.btn-gradient { background: var(--gradient-primary); color: #fff; box-shadow: var(--shadow-card); }
.btn-gradient:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }

.btn-secondary { background: var(--color-bg-light); color: var(--color-primary); }
.btn-secondary:hover { background: #e8eeff; transform: translateY(-2px); }

.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }

.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { background: var(--color-bg-light); transform: translateY(-2px); }

.btn-ghost { background: transparent; color: var(--color-text); }
.btn-ghost:hover { background: var(--color-bg-light); }

.btn-lg { padding: 1.125rem 2.25rem; font-size: 1rem; }
.btn-sm { padding: 0.625rem 1.25rem; font-size: 0.8125rem; }
.btn-block { width: 100%; }
.btn-icon { width: 3rem; height: 3rem; padding: 0; border-radius: var(--radius-full); }

.btn .icon { width: 1.15em; height: 1.15em; flex-shrink: 0; }

/* Ripple */
.btn .ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  animation: ripple 600ms linear; background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
}
.btn-outline .ripple, .btn-secondary .ripple, .btn-ghost .ripple { background: rgba(56, 101, 216, 0.25); }

@keyframes ripple { to { transform: scale(3); opacity: 0; } }

/* ---------------------------------------------------------------------- */
/* 7. BADGES                                                               */
/* ---------------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.75rem; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600; line-height: 1;
}
.badge-primary { background: rgba(56, 101, 216, 0.1); color: var(--color-primary); }
.badge-success { background: rgba(34, 197, 94, 0.1); color: var(--color-success); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--color-warning); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--color-danger); }
.badge-dark { background: var(--color-text); color: #fff; }
.badge-outline { background: transparent; border: 1px solid var(--color-border); color: var(--color-muted); }

/* ---------------------------------------------------------------------- */
/* 8. CARDS                                                                 */
/* ---------------------------------------------------------------------- */
.card {
  background: var(--color-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card-hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: transparent; }

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: rgba(56, 101, 216, 0.3); }

.feature-card__icon {
  width: 3.25rem; height: 3.25rem; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-primary); color: #fff; margin-bottom: var(--space-5);
  box-shadow: var(--shadow-card);
}
.feature-card__icon svg { width: 1.6rem; height: 1.6rem; }

.stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  text-align: center;
}
.stat-card__value { font-size: clamp(2rem, 1.7rem + 1vw, 2.75rem); font-weight: 800; color: var(--color-primary); }
.stat-card__label { color: var(--color-muted); font-weight: 500; margin-top: var(--space-2); }

.blog-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.blog-card__image { aspect-ratio: 16/10; overflow: hidden; background: var(--color-bg-light); }
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.blog-card:hover .blog-card__image img { transform: scale(1.06); }
.blog-card__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.blog-card__meta { display: flex; align-items: center; gap: var(--space-3); font-size: 0.8125rem; color: var(--color-muted); }

.pricing-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-10) var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.pricing-card--popular {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-lift);
  transform: scale(1.03);
}
.pricing-card--popular:hover { transform: scale(1.03) translateY(-6px); }
.pricing-card__badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-primary); color: #fff; padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 700;
  box-shadow: var(--shadow-card);
}
.pricing-card__price { font-size: 2.75rem; font-weight: 800; color: var(--color-text); }
.pricing-card__price span { font-size: 1rem; font-weight: 500; color: var(--color-muted); }
.pricing-card__list { display: flex; flex-direction: column; gap: var(--space-3); margin-block: var(--space-6); }
.pricing-card__list li { display: flex; align-items: flex-start; gap: var(--space-2); color: var(--color-text); font-size: 0.9375rem; }
.pricing-card__list svg { width: 1.15rem; height: 1.15rem; color: var(--color-success); flex-shrink: 0; margin-top: 0.15rem; }
.pricing-card__list li.disabled { color: var(--color-muted); }
.pricing-card__list li.disabled svg { color: var(--color-border); }

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  height: 100%;
  display: flex; flex-direction: column; gap: var(--space-5);
}
.testimonial-card__stars { display: flex; gap: 0.2rem; color: var(--color-warning); }
.testimonial-card__stars svg { width: 1.1rem; height: 1.1rem; }
.testimonial-card__author { display: flex; align-items: center; gap: var(--space-3); margin-top: auto; }
.testimonial-card__avatar { width: 3rem; height: 3rem; border-radius: 50%; object-fit: cover; }
.testimonial-card__name { font-weight: 600; }
.testimonial-card__role { font-size: 0.8125rem; color: var(--color-muted); }

/* ---------------------------------------------------------------------- */
/* 9. SECTION HEADER                                                        */
/* ---------------------------------------------------------------------- */
.section-header { max-width: 720px; margin-inline: auto; text-align: center; margin-bottom: var(--space-16); }
.section-header.align-left { margin-inline: 0; text-align: left; }
.section-header__eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--color-primary); font-weight: 700; font-size: 0.8125rem;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-4);
}
.section-header__title { margin-bottom: var(--space-4); }
.section-header__subtitle { color: var(--color-muted); font-size: 1.0625rem; }

/* ---------------------------------------------------------------------- */
/* 10. NAVBAR                                                               */
/* ---------------------------------------------------------------------- */
.navbar {
  position: sticky; top: 0; left: 0; right: 0; z-index: var(--z-nav);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
[data-theme="dark"] .navbar { background: rgba(15, 23, 42, 0.8); }
.navbar.is-scrolled { box-shadow: var(--shadow-nav); border-color: var(--color-border); }

.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 4.5rem; }
.navbar__logo { display: flex; align-items: center; gap: 0.6rem; font-weight: 800; font-size: 1.15rem; }
.navbar__logo img { height: 2.1rem; width: auto; }

.navbar__links { display: flex; align-items: center; gap: var(--space-8); }
.nav-link {
  position: relative; font-weight: 500; color: var(--color-text); font-size: 0.9375rem;
  padding-block: 0.5rem;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--color-primary); transition: width var(--transition-base);
}
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--color-primary); }

.navbar__dropdown { position: relative; }
.navbar__dropdown-panel {
  position: absolute; top: calc(100% + 1rem); left: 50%; transform: translateX(-50%) translateY(8px);
  width: 640px; max-width: 90vw; background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lift); padding: var(--space-6);
  opacity: 0; visibility: hidden; transition: opacity var(--transition-base), transform var(--transition-base);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2);
}
.navbar__dropdown:hover .navbar__dropdown-panel,
.navbar__dropdown:focus-within .navbar__dropdown-panel {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.navbar__dropdown-item { display: flex; gap: var(--space-3); padding: var(--space-3); border-radius: var(--radius-sm); transition: background var(--transition-fast); }
.navbar__dropdown-item:hover { background: var(--color-bg-light); }
.navbar__dropdown-item svg { width: 1.5rem; height: 1.5rem; color: var(--color-primary); flex-shrink: 0; }
.navbar__dropdown-item h6 { margin-bottom: 0.15rem; }
.navbar__dropdown-item p { font-size: 0.8125rem; margin: 0; }

.navbar__actions { display: flex; align-items: center; gap: var(--space-4); }

.navbar__toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 2.5rem; height: 2.5rem;
}
.navbar__toggle span { width: 22px; height: 2px; background: var(--color-text); transition: transform var(--transition-fast), opacity var(--transition-fast); }
.navbar__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.is-active span:nth-child(2) { opacity: 0; }
.navbar__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 4.5rem 0 0 0; background: var(--color-bg); z-index: calc(var(--z-nav) - 1);
  padding: var(--space-6); transform: translateX(100%); transition: transform var(--transition-slow);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__link { display: block; padding: var(--space-4) 0; font-size: 1.125rem; font-weight: 600; border-bottom: 1px solid var(--color-border); }
.mobile-menu__actions { margin-top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-3); }

/* Scroll progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--gradient-primary); z-index: var(--z-progress);
  transition: width 80ms linear;
}

/* Back to top */
.back-to-top {
  position: fixed; right: 1.5rem; bottom: 1.5rem; width: 3rem; height: 3rem;
  border-radius: 50%; background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lift); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all var(--transition-base); z-index: 90;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-hover); transform: translateY(-3px); }

/* ---------------------------------------------------------------------- */
/* 11. BREADCRUMBS & PAGINATION                                            */
/* ---------------------------------------------------------------------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--color-muted); }
.breadcrumb a { color: var(--color-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb__sep { color: var(--color-border); }
.breadcrumb [aria-current="page"] { color: var(--color-text); font-weight: 500; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.pagination a, .pagination span {
  display: flex; align-items: center; justify-content: center;
  min-width: 2.5rem; height: 2.5rem; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); font-weight: 500; font-size: 0.9375rem;
  transition: all var(--transition-fast);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pagination .disabled { opacity: 0.4; pointer-events: none; }

/* ---------------------------------------------------------------------- */
/* 12. FORMS                                                                */
/* ---------------------------------------------------------------------- */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: var(--space-5); }
.form-label { font-weight: 600; font-size: 0.9375rem; }
.form-label .required { color: var(--color-danger); }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 0.875rem 1.1rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border); background: var(--color-bg);
  font-size: 0.9375rem; transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(56, 101, 216, 0.12);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-hint { font-size: 0.8125rem; color: var(--color-muted); }
.form-error { font-size: 0.8125rem; color: var(--color-danger); display: none; }
.form-group.has-error .form-input,
.form-group.has-error .form-textarea,
.form-group.has-error .form-select { border-color: var(--color-danger); }
.form-group.has-error .form-error { display: block; }

.form-check { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9375rem; }
.form-check input { width: 1.15rem; height: 1.15rem; margin-top: 0.15rem; accent-color: var(--color-primary); }

.newsletter-form { display: flex; gap: 0.75rem; max-width: 480px; }
.newsletter-form .form-input { flex: 1; }

/* ---------------------------------------------------------------------- */
/* 13. FAQ ACCORDION                                                        */
/* ---------------------------------------------------------------------- */
.accordion { display: flex; flex-direction: column; gap: var(--space-4); }
.accordion-item {
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: var(--color-bg); overflow: hidden; transition: border-color var(--transition-fast);
}
.accordion-item.is-open { border-color: var(--color-primary); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-5) var(--space-6); text-align: left; font-weight: 600; font-size: 1rem;
}
.accordion-trigger .icon { flex-shrink: 0; width: 1.5rem; height: 1.5rem; color: var(--color-primary); transition: transform var(--transition-base); }
.accordion-item.is-open .accordion-trigger .icon { transform: rotate(45deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height var(--transition-base); }
.accordion-panel__inner { padding: 0 var(--space-6) var(--space-6); color: var(--color-muted); }

/* ---------------------------------------------------------------------- */
/* 14. MODAL                                                                */
/* ---------------------------------------------------------------------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px);
  z-index: var(--z-modal); display: flex; align-items: center; justify-content: center; padding: var(--space-6);
  opacity: 0; visibility: hidden; transition: opacity var(--transition-base);
}
.modal-overlay.is-open { opacity: 1; visibility: visible; }
.modal {
  background: var(--color-bg); border-radius: var(--radius-card); padding: var(--space-8);
  max-width: 520px; width: 100%; box-shadow: var(--shadow-lift);
  transform: scale(0.95) translateY(10px); transition: transform var(--transition-base);
}
.modal-overlay.is-open .modal { transform: scale(1) translateY(0); }
.modal__close { position: absolute; top: var(--space-5); right: var(--space-5); width: 2.25rem; height: 2.25rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.modal__close:hover { background: var(--color-bg-light); }

/* ---------------------------------------------------------------------- */
/* 15. HERO                                                                 */
/* ---------------------------------------------------------------------- */
.hero { position: relative; padding-block: clamp(5rem, 4rem + 5vw, 8rem) clamp(3rem, 2rem + 5vw, 6rem); overflow: hidden; }
.hero__blob {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.35; z-index: -1;
  animation: blobFloat 12s ease-in-out infinite;
}
.hero__blob--1 { width: 480px; height: 480px; background: var(--color-secondary); top: -180px; right: -120px; }
.hero__blob--2 { width: 380px; height: 380px; background: var(--color-primary); bottom: -160px; left: -100px; animation-delay: -6s; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-12); align-items: center; }
.hero__visual { position: relative; }
.hero__visual img { border-radius: var(--radius-card); box-shadow: var(--shadow-lift); }

.hero__stats-float {
  position: absolute; background: var(--color-bg); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift); padding: var(--space-4) var(--space-5); border: 1px solid var(--color-border);
  display: flex; align-items: center; gap: var(--space-3);
}

/* ---------------------------------------------------------------------- */
/* 16. LOGO CLOUD                                                           */
/* ---------------------------------------------------------------------- */
.logo-cloud { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(2rem, 1.5rem + 2vw, 4rem); }
.logo-cloud img { height: 28px; width: auto; opacity: 0.55; filter: grayscale(1); transition: opacity var(--transition-fast), filter var(--transition-fast); }
.logo-cloud img:hover { opacity: 1; filter: grayscale(0); }

/* ---------------------------------------------------------------------- */
/* 17. CTA BANNER                                                          */
/* ---------------------------------------------------------------------- */
.cta-banner {
  position: relative; background: var(--gradient-primary); border-radius: var(--radius-card);
  padding: clamp(2.5rem, 2rem + 3vw, 5rem); overflow: hidden; text-align: center; color: #fff;
}
.cta-banner h2, .cta-banner p { color: #fff; }
.cta-banner p { opacity: 0.9; }
.cta-banner::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.15), transparent 40%),
              radial-gradient(circle at 80% 80%, rgba(255,255,255,0.12), transparent 40%);
}

/* ---------------------------------------------------------------------- */
/* 18. DASHBOARD PREVIEW / SCREENSHOT FRAME                                */
/* ---------------------------------------------------------------------- */
.browser-frame { border-radius: var(--radius-card); box-shadow: var(--shadow-lift); background: var(--color-bg); border: 1px solid var(--color-border); overflow: hidden; }
.browser-frame__bar { display: flex; align-items: center; gap: 0.4rem; padding: 0.85rem 1.1rem; background: var(--color-bg-light); border-bottom: 1px solid var(--color-border); }
.browser-frame__dot { width: 0.7rem; height: 0.7rem; border-radius: 50%; }
.browser-frame__dot:nth-child(1) { background: #ef4444; }
.browser-frame__dot:nth-child(2) { background: #f59e0b; }
.browser-frame__dot:nth-child(3) { background: #22c55e; }

/* ---------------------------------------------------------------------- */
/* 19. COMPARISON TABLE                                                     */
/* ---------------------------------------------------------------------- */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.compare-table th, .compare-table td { padding: var(--space-4) var(--space-5); text-align: center; border-bottom: 1px solid var(--color-border); }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; }
.compare-table thead th { font-weight: 700; background: var(--color-bg-light); }
.compare-table tbody tr:hover { background: var(--color-bg-light); }
.compare-table .yes { color: var(--color-success); }
.compare-table .no { color: var(--color-border); }
.compare-table td.highlight, .compare-table th.highlight { background: rgba(56, 101, 216, 0.05); }

/* ---------------------------------------------------------------------- */
/* 20. TABLE OF CONTENTS (BLOG)                                             */
/* ---------------------------------------------------------------------- */
.toc { background: var(--color-bg-light); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }
.toc__title { font-weight: 700; margin-bottom: var(--space-3); }
.toc ol { display: flex; flex-direction: column; gap: 0.5rem; counter-reset: toc; }
.toc a { color: var(--color-muted); font-size: 0.9375rem; transition: color var(--transition-fast); }
.toc a:hover { color: var(--color-primary); }

/* Prose (blog article body) */
.prose { color: var(--color-text); font-size: 1.0625rem; line-height: 1.85; }
.prose h2 { margin-top: var(--space-10); margin-bottom: var(--space-4); }
.prose h3 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose p { color: var(--color-text); margin-bottom: var(--space-5); }
.prose ul, .prose ol { margin-bottom: var(--space-5); padding-left: 1.4rem; color: var(--color-text); }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.prose img { border-radius: var(--radius-lg); margin-block: var(--space-6); }
.prose blockquote {
  border-left: 4px solid var(--color-primary); padding: var(--space-4) var(--space-6);
  background: var(--color-bg-light); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; color: var(--color-text); margin-bottom: var(--space-5);
}
.prose code { background: var(--color-bg-light); padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.875em; }

.author-box { display: flex; gap: var(--space-4); align-items: center; padding: var(--space-6); background: var(--color-bg-light); border-radius: var(--radius-lg); }
.author-box img { width: 3.5rem; height: 3.5rem; border-radius: 50%; }

/* ---------------------------------------------------------------------- */
/* 21. FOOTER                                                              */
/* ---------------------------------------------------------------------- */
.footer { background: #101a30; color: #cbd5e1; padding-top: var(--space-20); }
.footer a { color: #cbd5e1; transition: color var(--transition-fast); }
.footer a:hover { color: #fff; }
.footer h6 { color: #fff; margin-bottom: var(--space-4); font-size: 0.95rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: var(--space-8); padding-bottom: var(--space-12); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); font-size: 0.9375rem; }
.footer__logo { display: flex; align-items: center; gap: 0.6rem; font-weight: 800; font-size: 1.15rem; color: #fff; margin-bottom: var(--space-4); }
.footer__logo img { height: 2rem; }
.footer__social { display: flex; gap: 0.75rem; margin-top: var(--space-5); }
.footer__social a {
  width: 2.5rem; height: 2.5rem; border-radius: 50%; background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center; transition: background var(--transition-fast), transform var(--transition-fast);
}
.footer__social a:hover { background: var(--color-primary); transform: translateY(-3px); }
.footer__social svg { width: 1.1rem; height: 1.1rem; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-block: var(--space-6);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3);
  font-size: 0.875rem; color: #94a3b8;
}
.footer__bottom a { color: #94a3b8; }
.footer__bottom a:hover { color: #fff; }

/* ---------------------------------------------------------------------- */
/* 22. ANIMATIONS                                                          */
/* ---------------------------------------------------------------------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeLeft { from { opacity: 0; transform: translateX(-24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 30px) scale(1.08); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.animate-fade-up { animation: fadeUp var(--transition-slow) both; }
.animate-fade-left { animation: fadeLeft var(--transition-slow) both; }
.animate-scale-in { animation: scaleIn var(--transition-slow) both; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* ---------------------------------------------------------------------- */
/* 23. ACCESSIBILITY                                                       */
/* ---------------------------------------------------------------------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------------- */
/* 24. RESPONSIVE                                                          */
/* ---------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; text-align: center; }
  .hero__grid .hero__visual { order: -1; }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .navbar__dropdown-panel { width: 520px; }
}

@media (max-width: 900px) {
  .navbar__links, .navbar__actions .btn-outline { display: none; }
  .navbar__toggle { display: flex; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding-block: var(--space-16); }
  .grid-cols-2, .grid-cols-3 { grid-template-columns: 1fr; }
  .pricing-card--popular { transform: none; }
  .pricing-card--popular:hover { transform: translateY(-6px); }
  .compare-table { display: block; overflow-x: auto; white-space: nowrap; }
  .footer__grid { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .container { padding-inline: var(--space-5); }
}

@media (max-width: 560px) {
  .grid-cols-4 { grid-template-columns: 1fr 1fr; }
  .btn-lg { padding: 1rem 1.75rem; }
  .hero__stats-float { display: none; }
}

/* Print */
@media print {
  .navbar, .footer, .back-to-top, .scroll-progress, .mobile-menu { display: none !important; }
}