/* ============================================
   Shared Components
   ============================================ */

/* --- Hero Mascot --- */
.hero__mascot {
  margin-bottom: var(--space-6);
  display: flex;
  justify-content: center;
}

.hero__mascot img {
  border-radius: 50%;
  display: block;
}

/* --- Shared Text Utilities --- */
.hero__title-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Section --- */
.section {
  padding: var(--space-24) 0;
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--brand-primary);
  background: var(--brand-accent-bg);
  border: 1px solid var(--brand-accent-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 640px;
  line-height: var(--leading-relaxed);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
  transition: background var(--transition-base);
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.8);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.header__logo img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.header__link:hover,
.header__link--active {
  color: var(--text-primary);
}

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

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--brand-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--brand-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg), 0 0 20px var(--brand-accent-glow);
}

.btn--secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-secondary);
}

.btn--secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn--icon-right svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn--icon-right:hover svg {
  transform: translateX(3px);
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-primary);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-name {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer__brand-name img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

.footer__columns {
  display: flex;
  gap: var(--space-16);
}

.footer__column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__column a {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.footer__column a:hover {
  color: var(--text-primary);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-primary);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* --- Scroll Progress --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--brand-gradient);
  z-index: 101;
  transition: width 50ms linear;
}

/* ============================================
   Focus Styles (Accessibility)
   ============================================ */

.btn:focus-visible,
.header__link:focus-visible,
.header__logo:focus-visible,
.theme-toggle:focus-visible,
.mobile-toggle:focus-visible,
.footer__column a:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.card:focus-visible,
.card:focus-within {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .header {
    background: var(--bg-primary);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  [data-theme="light"] .header {
    background: var(--bg-primary);
  }

  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-6);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 99;
  }

  .header__nav.is-open {
    transform: translateX(0);
  }

  .header__nav .header__link {
    font-size: var(--text-lg);
    padding: var(--space-4) 0;
    width: 100%;
    border-bottom: 1px solid var(--border-primary);
  }

  .mobile-toggle {
    display: flex;
  }

  .section__title {
    font-size: var(--text-3xl);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-10);
  }

  .footer__columns {
    flex-wrap: wrap;
    gap: var(--space-10);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .section {
    padding: var(--space-16) 0;
  }

  .section__title {
    font-size: var(--text-2xl);
  }

  .btn--large {
    width: 100%;
  }
}

/* ============================================
   Shared Section Components (Steps, CTA)
   ============================================ */

/* --- Steps --- */
.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.step-card {
  text-align: center;
}

.step-card__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--brand-primary);
  background: var(--brand-accent-bg);
  border: 1px solid var(--brand-accent-border);
  border-radius: var(--radius-full);
}

.step-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.step-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: var(--space-16);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--brand-accent-radial), transparent 60%);
  pointer-events: none;
}

.cta-banner__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-banner__desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  position: relative;
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
}

@media (max-width: 768px) {
  .steps__grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: var(--space-10) var(--space-6);
  }

  .cta-banner__title {
    font-size: var(--text-2xl);
  }
}

/* ============================================
   Mobile menu scroll lock
   ============================================ */

body.menu-open {
  overflow: hidden;
}

/* ============================================
   Legal / Content Pages
   ============================================ */

.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(var(--header-height) + var(--space-12)) var(--space-6) var(--space-24);
}

.legal h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  letter-spacing: -0.025em;
}

.legal__updated {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-12);
}

.legal h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.legal h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.legal p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.legal ul,
.legal ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal li {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.legal ul li { list-style: disc; }
.legal ol li { list-style: decimal; }

.legal a {
  color: var(--brand-primary);
  text-decoration: underline;
}

.legal a:hover {
  color: var(--brand-primary-hover);
}

.legal strong {
  color: var(--text-primary);
}

.legal code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--text-primary);
}