/* components.css */
/* Hero Overlay Scrim */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, hsla(215, 65%, 8%, 0.9) 0%, hsla(215, 65%, 8%, 0.6) 100%);
  z-index: 1;
}

/* Typography Scale Classes */
.text-display-1 { font-size: var(--font-h1); font-weight: 700; line-height: var(--leading-tight); letter-spacing: var(--tracking-tight); }
.text-display-2 { font-size: var(--font-h2); font-weight: 700; line-height: var(--leading-tight); letter-spacing: var(--tracking-tight); }
.text-display-3 { font-size: var(--font-h3); font-weight: 600; line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }
.text-body-lg { font-size: var(--font-body-lg); font-weight: 400; line-height: var(--leading-normal); }
.text-body { font-size: var(--font-body); font-weight: 400; line-height: var(--leading-normal); }
.text-body-sm { font-size: var(--font-body-sm); font-weight: 400; line-height: var(--leading-normal); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-button);
  font-weight: 600;
  font-size: var(--font-body);
  transition: var(--transition-normal);
  cursor: pointer;
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-action-primary);
  color: var(--color-action-primary-fg);
  padding: var(--spacing-button-v) var(--spacing-button-h);
  min-height: 48px;
  box-shadow: 0 1px 2px hsla(40, 80%, 30%, 0.4), 0 4px 12px hsla(40, 80%, 48%, 0.3), 0 8px 24px hsla(40, 80%, 60%, 0.15);
}

.btn-primary:hover {
  background-color: var(--color-action-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 4px hsla(40, 80%, 30%, 0.4), 0 6px 16px hsla(40, 80%, 48%, 0.3), 0 12px 32px hsla(40, 80%, 60%, 0.2);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary-dark);
  padding: var(--spacing-button-v) var(--spacing-button-h);
  border: 1px solid var(--color-text-primary-dark);
}

.btn-ghost:hover {
  background-color: var(--color-text-primary-dark);
  color: var(--color-surface-bg);
}

/* Cards */
.card {
  background-color: var(--color-surface-raised);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-card);
  padding: var(--spacing-card-padding);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

/* Header Sticky */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: var(--z-sticky);
  background: transparent;
  color: var(--color-text-primary-dark);
  transition: background 0.3s, box-shadow 0.3s, color 0.3s, height 0.3s ease;
}

.site-header.is-sticky {
  background: hsla(210, 15%, 97%, 0.85);
  /*backdrop-filter*/: blur(16px);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--slate-200);
  height: 64px;
}

.site-header .logo {
  font-weight: 800;
  font-size: 24px;
}

.main-nav {
  display: flex;
  gap: var(--space-4);
}

.main-nav a {
  font-weight: 500;
  font-size: var(--font-body-sm);
  transition: color 0.2s;
}

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

/* Animations */
@supports (animation-timeline: view()) {
  .reveal-on-scroll {
    animation: fade-up linear both;
    animation-timeline: view();
    animation-range: entry 5% cover 25%;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Marquee */
.marquee-container {
  overflow: hidden;
  display: flex;
  white-space: nowrap;
  mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
}

.marquee-content {
  display: flex;
  gap: var(--space-6);
  animation: marquee-scroll 25s linear infinite;
}



@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Tabs */
.tabs-container {
  background: var(--color-surface-bg);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  margin: 0 auto;
}

.tab-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--slate-600);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease-out;
}

.tab-btn.active {
  background: var(--slate-900);
  color: var(--color-surface-bg);
  font-weight: 600;
}

.tab-content {
  display: none;
  animation: fade-in 0.2s ease-out forwards;
}

.tab-content.active {
  display: grid;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* FAQ Accordion */
.accordion-item {
  border-bottom: 1px solid var(--slate-300);
}
.accordion-header {
  padding: var(--space-4) var(--space-3);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s ease-out;
}
.accordion-header:hover {
  background: var(--color-surface-raised);
}
.accordion-icon {
  transition: transform 0.2s ease-out;
  color: var(--color-brand-primary);
}
.accordion-item.active .accordion-icon {
  transform: rotate(90deg);
}
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}
.accordion-item.active .accordion-body {
  max-height: 500px;
}
.accordion-inner {
  padding: 0 var(--space-3) var(--space-4) var(--space-3);
  color: var(--color-text-secondary);
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block !important;
    z-index: calc(var(--z-sticky) + 2);
  }
}

/* Mobile Menu Offcanvas Styles */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--slate-950);
  z-index: calc(var(--z-sticky) + 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  text-align: center;
}

.mobile-nav a {
  font-size: var(--font-h3);
  font-weight: 600;
  color: var(--slate-50);
  transition: color 0.2s ease;
}

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

/* Hamburger to X Animation */
.mobile-menu-btn.is-active .line-1 {
  opacity: 0;
}
.mobile-menu-btn.is-active .line-2 {
  transform: rotate(45deg) translate(4px, -6px);
}
.mobile-menu-btn.is-active .line-3 {
  transform: rotate(-45deg) translate(4px, 6px);
}