/* ==========================================================================
   COMPONENTS.CSS — Buttons, Cards, Forms, Modals & UI Components
   ========================================================================== */

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8rem 1.8rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Primary Button */
.btn--primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-button);
}

.btn--primary:hover {
  background: var(--gradient-primary-hover);
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-2px);
  color: #ffffff;
}

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

/* Secondary / Outline Button */
.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-button);
}

/* Ghost Button */
.btn--ghost {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

.btn--ghost:hover {
  background: rgba(var(--color-primary-rgb), 0.15);
  transform: translateY(-2px);
}

/* White Button */
.btn--white {
  background: #ffffff;
  color: var(--color-primary);
}

.btn--white:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-primary-dark);
}

/* Large Button */
.btn--lg {
  padding: 1rem 2.2rem;
  font-size: var(--text-base);
}

@media (max-width: 768px) {
  .btn--lg {
    padding: 0.8rem 1.6rem;
    font-size: var(--text-sm);
  }
}

/* Small Button */
.btn--sm {
  padding: 0.5rem 1.2rem;
  font-size: var(--text-xs);
}

/* Icon inside button */
.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Button Group */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- CARDS ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: rgba(var(--color-primary-rgb), 0.2);
}

/* Card Icon */
.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--color-primary-rgb), 0.08);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

.card:hover .card__icon {
  background: var(--gradient-primary);
  transform: scale(1.05);
}

.card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.card:hover .card__icon svg {
  color: #ffffff;
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
}

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

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.card__link:hover {
  gap: var(--space-3);
}

.card__link svg {
  width: 16px;
  height: 16px;
}

/* Featured Card Glow */
.card--featured {
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow: 0 0 30px rgba(var(--color-primary-rgb), 0.08);
}

[data-theme="dark"] .card--featured {
  box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.1),
              0 0 80px rgba(var(--color-secondary-rgb), 0.05);
}

/* ---------- PRICING CARDS ---------- */
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  background: var(--gradient-primary);
  color: #ffffff;
  transform: scale(1.02);
}

.pricing-card--featured:hover {
  transform: scale(1.02) translateY(-8px);
}

.pricing-card__badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-5);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.pricing-card__name {
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--fw-extrabold);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.pricing-card__price span {
  font-size: var(--text-lg);
  font-weight: var(--fw-regular);
  opacity: 0.7;
}

.pricing-card__desc {
  font-size: var(--text-sm);
  opacity: 0.7;
  margin-bottom: var(--space-8);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-8);
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--border-color-light);
}

.pricing-card--featured .pricing-card__features li {
  border-color: rgba(255,255,255,0.15);
}

.pricing-card__features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}

.pricing-card--featured .pricing-card__features li svg {
  color: #ffffff;
}

.pricing-card--featured .pricing-card__name,
.pricing-card--featured .pricing-card__price,
.pricing-card--featured .pricing-card__desc {
  color: #ffffff;
}

/* ---------- PORTFOLIO CARDS ---------- */
.portfolio-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.portfolio-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-card__image {
  transform: scale(1.05);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: #ffffff;
  margin-bottom: var(--space-2);
}

.portfolio-card__category {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--space-3);
}

.portfolio-card__actions {
  display: flex;
  gap: var(--space-2);
}

.portfolio-card__actions .btn {
  padding: 0.4rem 1rem;
  font-size: var(--text-xs);
}

/* Portfolio Filter Buttons */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--shadow-button);
}

/* Technology Badges */
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.tech-badge {
  font-size: 0.65rem;
  font-weight: var(--fw-medium);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

/* ---------- TESTIMONIAL CARDS ---------- */
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
}

.testimonial-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
  object-fit: cover;
  border: 3px solid rgba(var(--color-primary-rgb), 0.2);
}

.testimonial-card__stars {
  display: flex;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: var(--color-warning);
}

.testimonial-card__stars svg {
  width: 18px;
  height: 18px;
}

.testimonial-card__text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  font-style: italic;
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-5);
}

.testimonial-card__name {
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
}

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

/* ---------- FORM ELEMENTS ---------- */
.form-group {
  margin-bottom: var(--space-5);
  position: relative;
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
  min-height: 130px;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: none;
}

.form-error.visible {
  display: block;
}

/* ---------- FAQ ACCORDION ---------- */
.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  background: var(--bg-card);
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--text-tertiary);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer__inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}

/* ---------- SCROLL PROGRESS BAR ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--scroll-progress);
  height: 3px;
  background: var(--gradient-primary);
  z-index: calc(var(--z-sticky) + 1);
  transition: width 50ms linear;
}

/* ---------- BACK TO TOP BUTTON ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: #ffffff;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-button);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
  cursor: pointer;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-button-hover);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- PAGE LOADER ---------- */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-body);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- LIGHTBOX / MODAL ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: var(--space-8);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.active .lightbox__content {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  color: #ffffff;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  z-index: 1;
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(0,0,0,0.8);
}

.lightbox__close svg {
  width: 20px;
  height: 20px;
}

/* ---------- BADGE / TAG ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.65rem;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

/* ---------- PROGRESS BAR ---------- */
.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-section-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 1.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 0;
}

/* ---------- WHATSAPP FLOAT BUTTON ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: #ffffff;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  color: #ffffff;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* ---------- COOKIE CONSENT ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  z-index: var(--z-fixed);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner__text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  flex: 1;
  min-width: 200px;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-2);
}