/**
 * Single responsibility: Reusable UI component styles —
 * buttons, badges, cards, feature cards, pricing card, tabs, and accordion.
 */

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  text-decoration: none;
  font-family: inherit;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-accent) 0%,
    var(--color-accent-dark) 100%
  );
  color: var(--color-white);
  box-shadow: 0 0 24px var(--color-accent-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(
    135deg,
    var(--color-accent-light) 0%,
    var(--color-accent) 100%
  );
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
  transform: translateY(-2px);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
}

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

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

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

/* ─── Announcement Badge ─────────────────────────────────────────────────────── */
.announcement-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  white-space: nowrap;
}

.announcement-badge_dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ─── Trust Badge Items ───────────────────────────────────────────────────────── */
.trust-badges {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.trust-badge-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-green);
  flex-shrink: 0;
}

/* ─── Feature Card ──────────────────────────────────────────────────────────── */
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.07) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-card);
  box-shadow: var(--shadow-card);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card_icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.2),
    rgba(59, 130, 246, 0.04)
  );
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.feature-card_icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.feature-card_title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.feature-card_desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ─── Pricing Card ──────────────────────────────────────────────────────────── */
.pricing-card {
  background: linear-gradient(
    145deg,
    var(--color-pricing-from) 0%,
    var(--color-pricing-to) 100%
  );
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-10);
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 700px;
  margin-inline: auto;
  box-shadow:
    0 24px 64px rgba(30, 58, 138, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 60% 30%,
    rgba(255, 255, 255, 0.07) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.pricing-card_badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-6);
}

.pricing-card_price {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  color: white;
  line-height: 1;
  letter-spacing: -0.03em;
}

.pricing-card_period {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 400;
  margin-left: var(--space-1);
}

.pricing-card_subtext {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  margin-top: var(--space-2);
  margin-bottom: var(--space-10);
}

.pricing-card_features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-6);
  text-align: left;
  margin-bottom: var(--space-10);
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.85);
}

.pricing-feature-item svg {
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.7);
  flex-shrink: 0;
}

/* ─── Mockup Window Chrome ──────────────────────────────────────────────────── */
.mockup-window {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px var(--color-border-card);
}

.mockup-window_bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}

.mockup-window_dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mockup-window_dot--red {
  background: #ff5f57;
}
.mockup-window_dot--yellow {
  background: #ffbd2e;
}
.mockup-window_dot--green {
  background: #28c840;
}

.mockup-window_bar-title {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-left: var(--space-3);
  font-weight: 500;
}

/* ─── Tab Navigation ─────────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: var(--space-1);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: var(--space-1);
  width: fit-content;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.tab-btn {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.tab-btn:hover {
  color: var(--color-text-primary);
}

.tab-btn.is-active {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.tab-panel {
  display: none;
}
.tab-panel.is-active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* ─── Accordion ──────────────────────────────────────────────────────────────── */
.accordion-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.accordion-item.is-open {
  border-color: var(--color-border-card);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--color-accent-light);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition:
    transform var(--transition-base),
    color var(--transition-base);
}

.accordion-item.is-open .accordion-icon {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease;
}

.accordion-body_inner {
  padding: var(--space-4) var(--space-6) var(--space-5);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  border-top: 1px solid var(--color-border);
}

/* ─── CTA Banner ────────────────────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #0284c7 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  top: -200px;
  right: -80px;
  pointer-events: none;
}

.cta-banner_title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

.cta-banner_subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.75);
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

/* ─── Responsive Component Overrides ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .pricing-card_features {
    grid-template-columns: 1fr;
  }
  .tab-nav {
    flex-wrap: wrap;
    border-radius: var(--radius-lg);
  }
  .cta-banner {
    padding: var(--space-10) var(--space-6);
  }
  .pricing-card {
    padding: var(--space-8) var(--space-5);
  }
}

@media (max-width: 480px) {
  .tab-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
}