/* =====================================================
   COMPONENTS - Erika Lotero Neuro
   Componentes UI profesionales con estilo cálido
   ===================================================== */

/* =====================================================
   1. BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-none);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Primary */
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 100%
  );
  color: var(--text-on-primary);
  box-shadow:
    var(--shadow-md),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    var(--shadow-lg),
    var(--shadow-glow),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  background: linear-gradient(
    135deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 100%
  );
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Button Secondary */
.btn-secondary {
  background: var(--bg-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--text-on-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Button Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(45, 106, 79, 0.08);
  border-color: rgba(45, 106, 79, 0.2);
}

/* Button with Icon */
.btn-icon {
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Button Sizes */
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

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

/* Button Shimmer Effect */
.btn-shimmer::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%
  );
  transition: left 0.6s ease;
}

.btn-shimmer:hover::before {
  left: 100%;
}

/* =====================================================
   2. CARDS
   ===================================================== */
.card {
  background: var(--surface-1);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(45, 106, 79, 0.15);
}

/* Card Glass */
.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.03),
    0 2px 4px -1px rgba(0, 0, 0, 0.02),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.card-glass:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.05),
    0 4px 6px -2px rgba(0, 0, 0, 0.025),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* Card Variants */
.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-elevated:hover {
  box-shadow: var(--shadow-xl);
}

.card-bordered {
  border: 2px solid var(--border-medium);
}

.card-bordered:hover {
  border-color: var(--color-primary-light);
}

/* Card Header */
.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

/* Card Title */
.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

/* Card Description */
.card-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Card Content */
.card-content {
  color: var(--text-secondary);
}

/* Card Footer */
.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* =====================================================
   3. BADGES
   ===================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.badge-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 100%
  );
  color: var(--text-on-primary);
}

.badge-secondary {
  background: var(--color-warm-light);
  color: var(--text-primary);
}

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

.badge-sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
}

/* =====================================================
   4. NAVIGATION
   ===================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  height: 72px;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.nav-scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    backdrop-filter 0.3s ease,
    -webkit-backdrop-filter 0.3s ease,
    background 0.3s ease;
}

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

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: scale(1.02);
}

.nav-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(45, 106, 79, 0.06);
}

.nav-link.active {
  color: var(--color-primary);
  background: rgba(45, 106, 79, 0.1);
  font-weight: var(--font-semibold);
}

/* Nav CTA */
.nav-cta {
  margin-left: var(--space-4);
}

/* =====================================================
   5. MOBILE NAVIGATION
   ===================================================== */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: var(--space-2);
  gap: 6px;
  z-index: 1001;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 1);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 0, 0, 0.15);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-nav-overlay.active {
  display: block;
  opacity: 1;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-20) var(--space-6) var(--space-6);
    gap: var(--space-2);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
    border-left: 3px solid var(--color-primary);
    opacity: 1 !important;
    isolation: isolate;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    background: #ffffff !important;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-4);
    background: #ffffff !important;
  }

  .nav-cta .btn {
    width: 100%;
  }

  /* Ensure all child elements have solid background to prevent glass effect bleed-through */
  .nav-links .nav-link,
  .nav-links .nav-cta {
    background: #ffffff !important;
  }
}

/* Fix: Ensure mobile menu always has solid background when navbar is scrolled */
.nav.nav-scrolled .nav-links,
.nav.nav-scrolled .nav-links.active {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  isolation: isolate;
}

/* Ensure child elements also have solid background */
.nav.nav-scrolled .nav-links .nav-link,
.nav.nav-scrolled .nav-links .nav-cta {
  background: #ffffff !important;
}

/* Smooth transition for glass effect removal when mobile menu is open */
.nav.menu-open {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  background: #ffffff !important;
  transition:
    backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    -webkit-backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.menu-open.nav-scrolled {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  background: #ffffff !important;
  transition:
    backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    -webkit-backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =====================================================
   6. SECTIONS
   ===================================================== */
.section {
  padding: var(--space-12) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-8);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-warm));
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Section Variants */
.section-alt {
  background: linear-gradient(135deg, var(--bg-warm) 0%, var(--bg-cream) 100%);
}

.section-dark {
  background: linear-gradient(135deg, var(--color-deep) 0%, #0f172a 100%);
  color: var(--text-on-dark);
}

.section-dark .section-title {
  color: var(--text-on-dark);
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* =====================================================
   7. GRID SYSTEM
   ===================================================== */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   8. FORMS & INPUTS
   ===================================================== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:hover {
  border-color: var(--border-strong);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:disabled {
  background: var(--surface-2);
  cursor: not-allowed;
}

/* =====================================================
   9. ACCORDION / FAQ
   ===================================================== */
.accordion {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item {
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-light);
}

.accordion-item:last-child {
  border-bottom: none;
}

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

.accordion-trigger:hover {
  background: var(--surface-2);
}

.accordion-trigger[aria-expanded="true"] {
  background: rgba(45, 106, 79, 0.03);
  color: var(--color-primary);
}

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

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height var(--transition-slow),
    padding var(--transition-slow);
}

.accordion-content[aria-hidden="false"] {
  max-height: 500px;
  padding: 0 var(--space-6) var(--space-6);
}

.accordion-content p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* =====================================================
   10. DIVIDERS & SEPARATORS
   ===================================================== */
.divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--border-medium) 20%,
    var(--border-medium) 80%,
    transparent 100%
  );
  margin: var(--space-8) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--border-light);
}

/* =====================================================
   11. SCROLLBAR STYLING
   ===================================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-2);
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--text-muted) var(--surface-2);
}