/* ============================================
   Components — Mira Landing Page
   ============================================ */

/* ---- Navigation ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--duration-normal) var(--ease-in-out),
              box-shadow var(--duration-normal) var(--ease-in-out);
}

.nav.is-scrolled {
  background: var(--color-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  box-shadow: 0 1px 0 var(--color-glass-border);
}

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

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  text-decoration: none;
}

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

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav__links a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-in-out);
}

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

.nav__cta {
  display: none;
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration-fast) var(--ease-in-out),
              opacity var(--duration-fast) var(--ease-in-out);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile-menu.is-open {
  display: flex;
}

.nav__mobile-menu a {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
}

@media (min-width: 640px) {
  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: block;
  }

  .nav__hamburger {
    display: none;
  }
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-in-out);
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
  box-shadow: 0 4px 14px rgba(102, 147, 252, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 6px 20px rgba(102, 147, 252, 0.45);
  color: var(--color-text-on-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-base);
}

/* ---- Cards ---- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

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

/* ---- Pricing Cards ---- */

.pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.pricing-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
}

.pricing-card__price {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-lg);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.pricing-card__features li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pricing-card__features li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ---- Comparison Table ---- */

.comparison-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--color-surface);
  font-size: var(--font-size-sm);
}

.comparison-table thead th {
  padding: var(--space-lg);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.comparison-table thead th:first-child {
  text-align: left;
}

.comparison-table tbody td {
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

/* Highlight Mira column */
.comparison-table .col-mira {
  background: rgba(102, 147, 252, 0.06);
}

@media (prefers-color-scheme: dark) {
  .comparison-table .col-mira {
    background: rgba(102, 147, 252, 0.1);
  }
}

.comparison-table .check {
  color: var(--sentiment-6);
  font-weight: var(--font-weight-bold);
}

.comparison-table .cross {
  color: var(--color-accent);
}

.comparison-table .partial {
  color: var(--sentiment-3);
}

/* ---- Badges ---- */

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
}

.badge--accent {
  background: var(--gradient-accent);
}

.badge--outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

/* ---- Section Headers ---- */

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header__overline {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__subtitle {
  font-size: var(--font-size-lg);
}

/* ---- Pull Quote ---- */

.pull-quote {
  font-size: var(--font-size-xl);
  font-style: italic;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 640px;
  margin: var(--space-3xl) auto 0;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  line-height: var(--line-height-relaxed);
}

/* ---- Pricing Toggle ---- */

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.pricing-toggle__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-in-out);
}

.pricing-toggle__label.is-active {
  color: var(--color-text);
}

.pricing-toggle__switch {
  position: relative;
  width: 48px;
  height: 28px;
  background: var(--color-border);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-in-out);
}

.pricing-toggle__switch.is-yearly {
  background: var(--color-primary);
}

.pricing-toggle__switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: white;
  border-radius: 50%;
  transition: transform var(--duration-fast) var(--ease-out);
  box-shadow: var(--shadow-sm);
}

.pricing-toggle__switch.is-yearly::after {
  transform: translateX(20px);
}

/* ---- Feature Visual Demos ---- */

.correlation-bar {
  width: 100%;
  height: 12px;
  background: var(--color-surface-alt);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.correlation-bar__fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  width: 0%;
  transition: width 1.2s var(--ease-out);
}

.correlation-bar__fill.is-visible {
  width: 78%;
}

.sentiment-demo {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  padding: var(--space-xl);
}

.sentiment-demo__face {
  font-size: 2.5rem;
  cursor: default;
  transition: transform var(--duration-fast) var(--ease-out),
              filter var(--duration-fast) var(--ease-in-out);
  filter: grayscale(0.6);
}

.sentiment-demo__face:hover {
  transform: scale(1.3);
  filter: grayscale(0);
}

.shield-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--color-surface);
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.shield-icon::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: var(--border-radius-lg);
  background: var(--gradient-primary);
  z-index: -1;
}

/* ---- Footer ---- */

.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  align-items: center;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

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

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.footer__bottom {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

@media (min-width: 640px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    flex-wrap: wrap;
  }
}

/* ---- Hero ---- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__overline {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.hero__heading {
  font-size: var(--font-size-hero);
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  max-width: 560px;
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  margin-bottom: var(--space-md);
}

.hero__free-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

@media (max-width: 639px) {
  .hero__heading {
    font-size: var(--font-size-4xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .hero__heading {
    font-size: 2.25rem;
  }
}

/* ---- Feature Rows ---- */

.features .feature-row {
  margin-bottom: var(--space-4xl);
}

.features .feature-row:last-child {
  margin-bottom: 0;
}

.feature-row h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.feature-row p {
  font-size: var(--font-size-base);
  max-width: 440px;
}

/* ---- Legal Pages ---- */

.legal {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
}

.legal h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-sm);
}

.legal .legal__updated {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3xl);
}

.legal h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.legal p {
  margin-bottom: var(--space-md);
}

.legal ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

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