/* ═══════════════════════════════════════════════════════
   Zinvana Modern UI v2 — Premium Design System
   Imports design-tokens.css for all variables.
   ═══════════════════════════════════════════════════════ */
@import url("design-tokens.css");

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--z-font-body);
  background-color: var(--z-bg);
  color: var(--z-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition:
    background-color var(--z-duration) var(--z-ease),
    color var(--z-duration) var(--z-ease);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--z-font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--z-text);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--z-duration) var(--z-ease);
}

img {
  max-width: 100%;
  height: auto;
}

/* ── Focus States (Accessibility) ── */
:focus-visible {
  outline: none;
  box-shadow: var(--z-focus-ring);
  border-radius: var(--z-radius-sm);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: var(--z-focus-ring);
}

/* ── Utilities ── */
.container {
  max-width: var(--z-container);
  margin: 0 auto;
  padding: 0 var(--z-space-6);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--z-space-2);
  padding: var(--z-space-2) var(--z-space-4);
  font-size: var(--z-text-sm);
  font-weight: 600;
  border-radius: var(--z-radius-full);
  background: var(--z-primary-light);
  color: var(--z-primary);
  border: 1px solid transparent;
}

.page {
  padding-top: var(--z-header-height);
}

/* ═══════════════════════════════════════
   Header / Topbar
   ═══════════════════════════════════════ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--z-header-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--z-border);
  z-index: var(--z-z-header);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--z-duration) var(--z-ease),
    box-shadow var(--z-duration) var(--z-ease),
    border-color var(--z-duration) var(--z-ease);
}

[data-theme="dark"] .topbar {
  background: rgba(12, 19, 36, 0.85);
  border-bottom-color: var(--z-border);
}

.topbar.scrolled {
  box-shadow: var(--z-shadow-md);
}

.topbar__inner {
  width: 100%;
  max-width: var(--z-container);
  padding: 0 var(--z-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: var(--z-space-3);
  font-family: var(--z-font-display);
  font-weight: 700;
  font-size: var(--z-text-xl);
  color: var(--z-text);
  text-decoration: none;
}

.brand img {
  height: 36px;
  width: 36px;
  border-radius: var(--z-radius-sm);
}

/* Primary Nav (hidden mobile, flex desktop) */
.primary-nav {
  display: none;
  gap: var(--z-space-8);
  align-items: center;
}

.nav-link {
  font-weight: 600;
  font-size: var(--z-text-sm);
  color: var(--z-text-mid);
  position: relative;
  padding: var(--z-space-2) 0;
  transition: color var(--z-duration) var(--z-ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--z-text);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--z-primary);
  border-radius: 1px;
  transition: width var(--z-duration) var(--z-ease);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--z-space-3);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--z-border);
  border-radius: var(--z-radius-md);
  background: var(--z-bg-soft);
  cursor: pointer;
  transition: all var(--z-duration) var(--z-ease);
  color: var(--z-text-mid);
}

.theme-toggle:hover {
  border-color: var(--z-border-hover);
  color: var(--z-text);
  background: var(--z-bg-elevated);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}
[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--z-border);
  border-radius: var(--z-radius-md);
  cursor: pointer;
  transition: all var(--z-duration) var(--z-ease);
}

.hamburger:hover {
  border-color: var(--z-border-hover);
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--z-text);
  position: relative;
  transition: all var(--z-duration) var(--z-ease);
}

.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 2px;
  background-color: var(--z-text);
  left: 0;
  transition: all var(--z-duration) var(--z-ease);
}

.hamburger span::before {
  top: -6px;
}
.hamburger span::after {
  top: 6px;
}

.hamburger.active span {
  background-color: transparent;
}
.hamburger.active span::before {
  transform: rotate(45deg);
  top: 0;
}
.hamburger.active span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--z-header-height);
  left: 0;
  right: 0;
  background: var(--z-bg);
  padding: var(--z-space-6) var(--z-space-8);
  flex-direction: column;
  gap: var(--z-space-4);
  border-bottom: 1px solid var(--z-border);
  box-shadow: var(--z-shadow-lg);
  z-index: calc(var(--z-z-header) - 1);
  transform: translateY(-8px);
  opacity: 0;
  transition:
    transform var(--z-duration) var(--z-ease),
    opacity var(--z-duration) var(--z-ease);
}

.mobile-menu.is-active,
.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu .nav-link {
  font-size: var(--z-text-lg);
  padding: var(--z-space-3) 0;
  border-bottom: 1px solid var(--z-border);
}

.mobile-menu .nav-link:last-child {
  border-bottom: none;
}

/* ═══════════════════════════════════════
   Buttons
   ═══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--z-space-2);
  padding: 0.7rem 1.4rem;
  font-weight: 600;
  font-size: var(--z-text-sm);
  font-family: var(--z-font-body);
  border-radius: var(--z-radius-md);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--z-duration) var(--z-ease);
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--z-primary), var(--z-primary-hover));
  color: #fff;
  box-shadow: 0 2px 8px var(--z-primary-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--z-primary-glow);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--accent {
  background: linear-gradient(135deg, var(--z-accent), #e11d48);
  color: #fff;
  box-shadow: 0 2px 8px var(--z-accent-glow);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--z-accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--z-text);
  border: 1px solid var(--z-border);
}

.btn--ghost:hover {
  border-color: var(--z-border-hover);
  background: var(--z-bg-soft);
}

.btn--sm {
  padding: 0.45rem 1rem;
  font-size: var(--z-text-xs);
}

.btn--lg {
  padding: 0.9rem 2rem;
  font-size: var(--z-text-base);
  border-radius: var(--z-radius-lg);
}

/* ═══════════════════════════════════════
   Hero Section — Bold, Full-Impact
   ═══════════════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--z-bg-hero);
  padding: calc(var(--z-header-height) + var(--z-space-16)) 0 var(--z-space-20);
  margin-top: calc(-1 * var(--z-header-height));
}

/* Animated mesh gradient overlay */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 60% at 20% 30%,
      hsla(var(--z-hue), 80%, 60%, 0.25) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 60% 80% at 80% 70%,
      hsla(340, 80%, 55%, 0.2) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse 50% 50% at 60% 20%,
      hsla(180, 80%, 50%, 0.12) 0%,
      transparent 50%
    );
  animation: heroMesh 12s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes heroMesh {
  0% {
    opacity: 0.7;
    transform: scale(1) rotate(0deg);
  }
  100% {
    opacity: 1;
    transform: scale(1.05) rotate(1deg);
  }
}

/* Subtle grain texture */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--z-container);
  margin: 0 auto;
  padding: 0 var(--z-space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--z-space-12);
}

/* Hero Copy */
.hero__copy {
  max-width: 680px;
}

.hero .pill {
  background: rgba(255, 255, 255, 0.08);
  color: var(--z-teal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  margin-bottom: var(--z-space-6);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: var(--z-space-6);
}

.h1-accent {
  background: linear-gradient(120deg, #a78bfa, var(--z-accent), var(--z-teal));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero .lede {
  font-size: var(--z-text-lg);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: var(--z-space-8);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--z-space-4);
  flex-wrap: wrap;
  margin-bottom: var(--z-space-10);
}

.hero .btn--primary {
  padding: 0.85rem 2rem;
  font-size: var(--z-text-base);
  border-radius: var(--z-radius-lg);
}

.hero .btn--ghost {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.2);
  padding: 0.85rem 2rem;
  font-size: var(--z-text-base);
  border-radius: var(--z-radius-lg);
}

.hero .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}

/* Hero trust metrics */
.hero__meta {
  display: flex;
  gap: var(--z-space-8);
  flex-wrap: wrap;
  padding-top: var(--z-space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.meta-tile {
  display: flex;
  align-items: center;
  gap: var(--z-space-2);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--z-text-sm);
  font-weight: 500;
}

.meta-tile svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  opacity: 0.7;
}

/* Hero Panel (Featured quiz cards) */
.hero__panel {
  display: flex;
  flex-direction: column;
  gap: var(--z-space-6);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--z-space-4);
}

.panel-card {
  background: var(--z-bg);
  padding: var(--z-space-6);
  border-radius: var(--z-radius-xl);
  border: 1px solid var(--z-border);
  box-shadow: var(--z-shadow-sm);
  transition: all var(--z-duration) var(--z-ease);
  position: relative;
  overflow: hidden;
}

.hero .panel-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.hero .panel-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--z-shadow-xl);
}

.hero .panel-tag {
  color: var(--z-teal);
  background: rgba(45, 212, 191, 0.1);
}

.hero .panel-title,
.hero .quiz-copy {
  color: rgba(255, 255, 255, 0.9);
}

.hero .quiz-copy {
  color: rgba(255, 255, 255, 0.6);
}

.panel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--z-shadow-lg);
  border-color: var(--z-primary-light);
}

.panel-tag {
  font-size: var(--z-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--z-primary);
  background: var(--z-primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--z-radius-sm);
  margin-bottom: var(--z-space-3);
  display: inline-block;
}

.panel-title {
  font-size: var(--z-text-xl);
  margin-bottom: var(--z-space-2);
}

.quiz-copy {
  font-size: var(--z-text-sm);
  color: var(--z-text-mid);
  line-height: 1.6;
  margin-bottom: var(--z-space-4);
}

/* Signal Row (stats bar) */
.signal-row {
  display: flex;
  gap: var(--z-space-8);
  padding: var(--z-space-5) var(--z-space-6);
  border-radius: var(--z-radius-lg);
  border: 1px solid var(--z-border);
  justify-content: space-around;
  flex-wrap: wrap;
  background: var(--z-bg-elevated);
}

.hero .signal-row {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.signal {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.signal strong {
  font-size: var(--z-text-2xl);
  font-weight: 800;
  font-family: var(--z-font-display);
  color: var(--z-text);
}

.hero .signal strong {
  color: #fff;
}
.hero .signal span {
  color: rgba(255, 255, 255, 0.6);
}

.signal span {
  font-size: var(--z-text-sm);
  color: var(--z-text-muted);
}

/* ═══════════════════════════════════════
   Trust Bar (below hero, above quizzes)
   ═══════════════════════════════════════ */
.trust-bar {
  background: var(--z-bg-soft);
  border-bottom: 1px solid var(--z-border);
  padding: var(--z-space-5) 0;
}

.trust-bar__inner {
  max-width: var(--z-container);
  margin: 0 auto;
  padding: 0 var(--z-space-6);
  display: flex;
  justify-content: center;
  gap: var(--z-space-10);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--z-space-3);
  font-size: var(--z-text-sm);
  font-weight: 600;
  color: var(--z-text-mid);
}

.trust-item svg {
  width: 20px;
  height: 20px;
  fill: var(--z-primary);
  opacity: 0.8;
}

/* ═══════════════════════════════════════
   Sections General
   ═══════════════════════════════════════ */
.block {
  max-width: var(--z-container);
  margin: 0 auto var(--z-space-20);
  padding: 0 var(--z-space-6);
}

.block__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--z-space-10);
  flex-wrap: wrap;
  gap: var(--z-space-4);
}

.block__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--z-space-2);
}

.block__subtitle {
  font-size: var(--z-text-lg);
  color: var(--z-text-mid);
  max-width: 600px;
}

/* ═══════════════════════════════════════
   Spotlights
   ═══════════════════════════════════════ */
.spotlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--z-space-6);
}

.spotlight-card {
  background: var(--z-bg-elevated);
  border-radius: var(--z-radius-xl);
  padding: var(--z-space-8);
  border: 1px solid var(--z-border);
  box-shadow: var(--z-shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--z-duration) var(--z-ease);
}

.spotlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--z-shadow-lg);
  border-color: var(--z-primary-light);
}

.spotlight-chip {
  align-self: flex-start;
  font-size: var(--z-text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--z-text);
  padding: 0.2rem 0.7rem;
  border-radius: var(--z-radius-full);
  margin-bottom: var(--z-space-4);
}

.spotlight-card--articles .spotlight-chip {
  background: var(--z-accent);
}

.spotlight-title {
  font-size: var(--z-text-2xl);
  margin-bottom: var(--z-space-3);
}

.spotlight-meta {
  display: flex;
  gap: var(--z-space-3);
  font-size: var(--z-text-sm);
  color: var(--z-text-muted);
  margin: auto 0 var(--z-space-6);
  flex-wrap: wrap;
}

.spotlight-meta span {
  background: var(--z-bg-soft);
  padding: 0.2rem 0.5rem;
  border-radius: var(--z-radius-sm);
}

/* ═══════════════════════════════════════
   Quiz Section
   ═══════════════════════════════════════ */
.search-bar {
  margin-bottom: var(--z-space-6);
}

.search-bar input {
  width: 100%;
  padding: var(--z-space-4) var(--z-space-6);
  font-size: var(--z-text-base);
  font-family: var(--z-font-body);
  border: 1px solid var(--z-border);
  border-radius: var(--z-radius-full);
  box-shadow: var(--z-shadow-xs);
  background: var(--z-bg-elevated);
  color: var(--z-text);
  transition: all var(--z-duration) var(--z-ease);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--z-primary);
  box-shadow: var(--z-focus-ring);
}

.search-bar input::placeholder {
  color: var(--z-text-muted);
}

/* Pill Nav (category tabs) */
.pill-nav {
  display: flex;
  gap: var(--z-space-3);
  overflow-x: auto;
  padding-bottom: var(--z-space-3);
  margin-bottom: var(--z-space-10);
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.pill-nav::-webkit-scrollbar {
  display: none;
}

.pill-nav a {
  padding: 0.5rem 1.2rem;
  border-radius: var(--z-radius-full);
  background: var(--z-bg-elevated);
  border: 1px solid var(--z-border);
  white-space: nowrap;
  font-weight: 600;
  font-size: var(--z-text-sm);
  color: var(--z-text-mid);
  transition: all var(--z-duration) var(--z-ease);
}

.pill-nav a:hover {
  border-color: var(--z-border-hover);
  color: var(--z-text);
  background: var(--z-bg-soft);
}

.pill-nav a.active {
  background: var(--z-text);
  color: var(--z-bg);
  border-color: var(--z-text);
}

/* Quiz Groups */
.quiz-group {
  margin-bottom: var(--z-space-12);
}

.quiz-group__head {
  margin-bottom: var(--z-space-6);
}

.quiz-group__title {
  font-size: var(--z-text-2xl);
  margin-bottom: var(--z-space-2);
}

.quiz-group__subtitle {
  font-size: var(--z-text-base);
  color: var(--z-text-mid);
}

/* Quiz Carousel */
.quiz-carousel {
  position: relative;
  margin-top: var(--z-space-4);
}

.quiz-track {
  display: flex;
  gap: var(--z-space-4);
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--z-space-4);
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.quiz-track::-webkit-scrollbar {
  display: none;
}

/* Quiz Cards */
.quiz-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--z-bg-elevated);
  border-radius: var(--z-radius-lg);
  border: 1px solid var(--z-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--z-duration) var(--z-ease);
}

.quiz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--z-shadow-lg);
  border-color: var(--z-primary-light);
}

.quiz-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--z-bg-soft);
  overflow: hidden;
}

.quiz-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--z-duration-slow) var(--z-ease);
}

.quiz-card:hover .quiz-thumb img {
  transform: scale(1.06);
}

.quiz-thumb__badge {
  position: absolute;
  bottom: var(--z-space-2);
  right: var(--z-space-2);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: var(--z-text-xs);
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--z-radius-sm);
}

.quiz-card .quiz-tag {
  padding: var(--z-space-4) var(--z-space-4) 0;
  font-size: var(--z-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--z-primary);
  font-weight: 700;
}

.quiz-card .quiz-title {
  padding: var(--z-space-2) var(--z-space-4);
  font-size: var(--z-text-lg);
}

.quiz-card .quiz-copy {
  padding: 0 var(--z-space-4) var(--z-space-4);
  margin-bottom: auto;
}

.quiz-card .quiz-meta {
  border-top: 1px solid var(--z-border);
  padding: var(--z-space-3) var(--z-space-4);
  font-size: var(--z-text-xs);
  color: var(--z-text-muted);
  display: flex;
  justify-content: space-between;
}

.quiz-card .btn {
  margin: var(--z-space-4);
  width: calc(100% - var(--z-space-8));
}

/* Carousel Buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--z-radius-full);
  background: var(--z-bg-elevated);
  border: 1px solid var(--z-border);
  box-shadow: var(--z-shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--z-duration) var(--z-ease);
  color: var(--z-text);
}

.carousel-btn:hover:not(:disabled) {
  background: var(--z-primary);
  color: #fff;
  border-color: var(--z-primary);
  box-shadow: var(--z-shadow-glow);
}

.carousel-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--z-bg-soft);
}

.carousel-btn--prev {
  left: -16px;
}
.carousel-btn--next {
  right: -16px;
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ═══════════════════════════════════════
   Card Grid (Why Choose, etc.)
   ═══════════════════════════════════════ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--z-space-6);
}

.card-grid .panel-card p {
  font-size: var(--z-text-sm);
  color: var(--z-text-mid);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
   Values / Trust
   ═══════════════════════════════════════ */
.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--z-space-6);
}

.value-card {
  padding: var(--z-space-8);
  border-radius: var(--z-radius-xl);
  background: var(--z-bg-elevated);
  border: 1px solid var(--z-border);
  box-shadow: var(--z-shadow-sm);
  transition: all var(--z-duration) var(--z-ease);
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--z-shadow-md);
  border-color: var(--z-primary-light);
}

.value-card strong {
  font-size: var(--z-text-lg);
  display: block;
  margin-bottom: var(--z-space-3);
}

/* ═══════════════════════════════════════
   FAQ
   ═══════════════════════════════════════ */
.faq-grid {
  display: grid;
  gap: var(--z-space-3);
  max-width: 800px;
}

.faq-grid details {
  background: var(--z-bg-elevated);
  border: 1px solid var(--z-border);
  border-radius: var(--z-radius-lg);
  overflow: hidden;
  transition: all var(--z-duration) var(--z-ease);
}

.faq-grid details:hover {
  border-color: var(--z-border-hover);
}

.faq-grid details[open] {
  border-color: var(--z-primary-light);
  box-shadow: var(--z-shadow-sm);
}

.faq-grid summary {
  padding: var(--z-space-5) var(--z-space-6);
  font-weight: 600;
  font-size: var(--z-text-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
  transition: color var(--z-duration) var(--z-ease);
}

.faq-grid summary::-webkit-details-marker {
  display: none;
}

.faq-grid summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--z-text-muted);
  transition: transform var(--z-duration) var(--z-ease);
  flex-shrink: 0;
  margin-left: var(--z-space-4);
}

.faq-grid details[open] summary::after {
  content: "−";
  color: var(--z-primary);
}

.faq-grid details[open] summary {
  color: var(--z-primary);
}

.faq-grid details p {
  padding: 0 var(--z-space-6) var(--z-space-5);
  font-size: var(--z-text-sm);
  color: var(--z-text-mid);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
   Footer
   ═══════════════════════════════════════ */
.site-footer {
  background: #0a0f1e;
  color: #94a3b8;
  padding: var(--z-space-16) var(--z-space-6) var(--z-space-8);
  margin-top: var(--z-space-12);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
  max-width: var(--z-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--z-space-10);
  margin-bottom: var(--z-space-12);
}

.footer-col h4 {
  color: #fff;
  font-size: var(--z-text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--z-space-5);
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: var(--z-space-3);
}

.footer-link {
  color: #94a3b8;
  font-size: var(--z-text-sm);
  transition: color var(--z-duration) var(--z-ease);
}

.footer-link:hover {
  color: #fff;
}

.footer-desc {
  color: #64748b;
  font-size: var(--z-text-sm);
  max-width: 280px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--z-space-6);
  max-width: var(--z-container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--z-space-4);
  font-size: var(--z-text-sm);
}

.footer-bottom p {
  margin: 0;
}

.footer-disclaimer {
  width: 100%;
  text-align: center;
  margin-top: var(--z-space-4);
  font-size: var(--z-text-xs);
  opacity: 0.5;
}

/* ═══════════════════════════════════════
   Responsive
   ═══════════════════════════════════════ */
@media (min-width: 768px) {
  .primary-nav {
    display: flex;
  }
  .hamburger {
    display: none;
  }

  .hero__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--z-space-12);
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .hero {
    padding-top: calc(var(--z-header-height) + var(--z-space-10));
    padding-bottom: var(--z-space-12);
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .hero__meta {
    gap: var(--z-space-4);
  }

  .block__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-card {
    padding: var(--z-space-5);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--z-space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .quiz-card {
    flex: 0 0 260px;
  }

  .carousel-btn--prev {
    left: -8px;
  }
  .carousel-btn--next {
    right: -8px;
  }
}

@media (min-width: 1024px) {
  .hero__inner {
    gap: var(--z-space-16);
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }
}