/* ================================================================
   MADMED — Servicios Section Redesign
   "Interactive Service Showcase" — Tab selector + feature display
   Compact, scannable, with visual hierarchy
   ================================================================ */

/* ── Theme Variables ─────────────────────────────────────────── */
.sv-section {
  --sv-bg: #f8fafc;
  --sv-text: #0f172a;
  --sv-muted: #64748b;
  --sv-accent: #0891b2;
  --sv-accent-bright: #0ea5e9;
  --sv-accent-bg: rgba(8, 145, 178, 0.08);
  --sv-accent-glow: rgba(8, 145, 178, 0.25);
  --sv-card-bg: #ffffff;
  --sv-card-border: #e2e8f0;
  --sv-card-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --sv-gradient: linear-gradient(135deg, #0ea5e9, #0891b2, #0d9488);
  --sv-visual-bg: linear-gradient(160deg, #0c4a6e, #0e7490, #0891b2);
  --sv-dot-color: rgba(226, 232, 240, 0.7);
}

[data-theme="dark"] .sv-section,
html.dark .sv-section {
  --sv-bg: #0a0f1a;
  --sv-text: #e2e8f0;
  --sv-muted: #94a3b8;
  --sv-accent: #22d3ee;
  --sv-accent-bright: #67e8f9;
  --sv-accent-bg: rgba(34, 211, 238, 0.08);
  --sv-accent-glow: rgba(34, 211, 238, 0.3);
  --sv-card-bg: #0f1d2e;
  --sv-card-border: #1e3a5f;
  --sv-card-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --sv-gradient: linear-gradient(135deg, #22d3ee, #06b6d4, #14b8a6);
  --sv-visual-bg: linear-gradient(160deg, #0a2540, #0c3551, #134e6f);
  --sv-dot-color: rgba(30, 58, 95, 0.5);
}

/* ── Section Base ────────────────────────────────────────────── */
.sv-section {
  position: relative;
  padding: 3rem 0;
  overflow: hidden;
  background: var(--sv-bg);
  transition: background-color 0.3s ease;
  font-family: Inter, system-ui, -apple-system, sans-serif;
}

@media (min-width: 768px) {
  .sv-section { padding: 4rem 0; }
}

/* Dot-grid background */
.sv-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--sv-dot-color) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}

/* Ambient glow blobs */
.sv-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.12;
  background: var(--sv-accent);
}
.sv-glow--1 { width: 400px; height: 400px; top: -10%; right: 10%; }
.sv-glow--2 { width: 300px; height: 300px; bottom: -5%; left: 15%; }

/* Container */
.sv-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  z-index: 1;
}
@media (min-width: 640px) { .sv-container { padding: 0 1.5rem; } }

/* ── Header ──────────────────────────────────────────────────── */
.sv-header {
  text-align: center;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.sv-header.--visible {
  opacity: 1;
  transform: translateY(0);
}

.sv-badge {
  display: inline-block;
  padding: 0.4rem 1.1rem;
  border-radius: 9999px;
  background: var(--sv-accent-bg);
  color: var(--sv-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.875rem;
  border: 1px solid rgba(8, 145, 178, 0.15);
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.sv-title {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--sv-text);
  margin: 0 0 0.75rem;
  line-height: 1.15;
  transition: color 0.3s ease;
}
@media (min-width: 640px)  { .sv-title { font-size: 2.25rem; } }
@media (min-width: 1024px) { .sv-title { font-size: 2.75rem; } }

.sv-title-accent {
  background: var(--sv-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sv-subtitle {
  font-size: 1rem;
  color: var(--sv-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
  transition: color 0.3s ease;
}

/* ── Tab Bar ─────────────────────────────────────────────────── */
.sv-tabs-wrap {
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease 0.1s, transform 0.6s ease 0.1s;
}
.sv-tabs-wrap.--visible {
  opacity: 1;
  transform: translateY(0);
}

.sv-tabs {
  display: flex;
  gap: 0.375rem;
  justify-content: center;
  padding: 0.375rem;
  background: var(--sv-card-bg);
  border: 1px solid var(--sv-card-border);
  border-radius: 1rem;
  transition: background-color 0.3s, border-color 0.3s;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.sv-tabs::-webkit-scrollbar { display: none; }

.sv-tab {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: 0.75rem;
  border: none;
  background: transparent;
  color: var(--sv-muted);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 44px;
  outline: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.sv-tab:hover:not(.--active) {
  background: var(--sv-accent-bg);
  color: var(--sv-accent);
}

.sv-tab:focus-visible {
  box-shadow: 0 0 0 2px var(--sv-accent);
}

.sv-tab.--active {
  background: var(--sv-accent);
  color: #ffffff;
  box-shadow: 0 2px 12px var(--sv-accent-glow);
}

.sv-tab-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.sv-tab-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Progress bar under active tab (auto-rotation indicator) */
.sv-tab-progress {
  position: absolute;
  bottom: 3px;
  left: 8px;
  right: 8px;
  height: 2px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.35);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

.sv-tab.--active.--rotating .sv-tab-progress {
  animation: svProgress 5s linear forwards;
}

@keyframes svProgress {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ── Showcase Panel ──────────────────────────────────────────── */
.sv-showcase-wrap {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease 0.2s, transform 0.7s ease 0.2s;
}
.sv-showcase-wrap.--visible {
  opacity: 1;
  transform: translateY(0);
}

.sv-showcase {
  position: relative;
  background: var(--sv-card-bg);
  border: 1px solid var(--sv-card-border);
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: var(--sv-card-shadow);
  transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

/* ── Visual Panel (left) — Service Image ─────────────────────── */
.sv-visual {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.sv-visual.--out {
  opacity: 0;
  transform: scale(0.97);
}

.sv-visual-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sv-showcase:hover .sv-visual-img {
  transform: scale(1.05);
}

/* Subtle gradient overlay at bottom for depth */
.sv-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.25) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

/* ── Content Panel (right) ───────────────────────────────────── */
.sv-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.sv-content.--out {
  opacity: 0;
  transform: translateY(10px);
}

.sv-content-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sv-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.sv-content-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--sv-text);
  margin: 0 0 0.75rem;
  line-height: 1.2;
  transition: color 0.3s;
}

.sv-content-desc {
  font-size: 0.9375rem;
  color: var(--sv-muted);
  line-height: 1.65;
  margin: 0 0 1.5rem;
  transition: color 0.3s;
}

/* ── Specs Row ───────────────────────────────────────────────── */
.sv-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.sv-spec {
  background: var(--sv-accent-bg);
  border-radius: 0.75rem;
  padding: 0.75rem;
  text-align: center;
  border: 1px solid rgba(8, 145, 178, 0.08);
  transition: background-color 0.3s, border-color 0.3s;
}

.sv-spec-value {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--sv-accent);
  margin-bottom: 0.125rem;
  transition: color 0.3s;
  white-space: nowrap;
}

.sv-spec-label {
  display: block;
  font-size: 0.6875rem;
  color: var(--sv-muted);
  transition: color 0.3s;
}

/* ── CTA Button ──────────────────────────────────────────────── */
.sv-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  border: none;
  background: var(--sv-accent);
  color: #ffffff;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  text-decoration: none;
  align-self: flex-start;
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.sv-cta:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 16px var(--sv-accent-glow);
  transform: translateY(-1px);
}

.sv-cta:focus-visible {
  box-shadow: 0 0 0 3px var(--sv-accent-glow);
}

.sv-cta-arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}
.sv-cta:hover .sv-cta-arrow {
  transform: translateX(3px);
}
.sv-cta-arrow svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Actions Row ─────────────────────────────────────────────── */
.sv-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── Add to Cart Button ──────────────────────────────────────── */
.sv-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  border: 1.5px solid var(--sv-accent);
  background: transparent;
  color: var(--sv-accent);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  min-height: 44px;
  min-width: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.sv-cart-btn:hover {
  background: var(--sv-accent);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--sv-accent-glow);
}

.sv-cart-btn:focus-visible {
  box-shadow: 0 0 0 3px var(--sv-accent-glow);
}

.sv-cart-btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.sv-cart-btn-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Added feedback */
.sv-cart-btn.--added {
  background: #10b981;
  border-color: #10b981;
  color: #ffffff;
  pointer-events: none;
}

.sv-cart-btn.--added::after {
  content: ' \2713';
}

/* ── Mobile: < 768px ─────────────────────────────────────────── */
@media (max-width: 767px) {
  .sv-section {
    padding: 2.5rem 0;
  }

  .sv-header {
    margin-bottom: 1.5rem;
  }

  .sv-tabs {
    justify-content: flex-start;
    padding: 0.25rem;
    border-radius: 0.75rem;
    gap: 0.25rem;
  }

  .sv-tab {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    gap: 0.375rem;
    border-radius: 0.625rem;
  }

  .sv-tab-icon {
    width: 16px;
    height: 16px;
  }

  /* Stack showcase vertically — grid now on .sv-layer */

  /* Image on mobile: fixed height banner */
  .sv-visual {
    min-height: 200px;
    max-height: 220px;
  }

  /* Content panel */
  .sv-content {
    padding: 1.5rem;
  }

  .sv-content-title {
    font-size: 1.25rem;
  }

  .sv-content-desc {
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
  }

  .sv-specs {
    gap: 0.5rem;
    margin-bottom: 1.25rem;
  }

  .sv-spec {
    padding: 0.625rem 0.375rem;
  }

  .sv-spec-value {
    font-size: 0.8125rem;
  }

  .sv-spec-label {
    font-size: 0.625rem;
  }

  .sv-actions {
    flex-direction: column;
  }

  .sv-cta,
  .sv-cart-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ── Ultra-small: < 430px ────────────────────────────────────── */
@media (max-width: 430px) {
  .sv-visual {
    min-height: 170px;
    max-height: 190px;
  }

  .sv-content {
    padding: 1.25rem;
  }

  .sv-content-title {
    font-size: 1.125rem;
  }
}

/* ── Galaxy Z Fold / ultra narrow: < 360px ───────────────────── */
@media (max-width: 360px) {
  .sv-title {
    font-size: 1.5rem !important;
  }

  .sv-tab {
    padding: 0.5rem 0.625rem;
    font-size: 0.6875rem;
  }

  .sv-specs {
    grid-template-columns: 1fr 1fr;
  }

  .sv-visual {
    min-height: 150px;
    max-height: 170px;
  }
}

/* ── Tablet: 768–1023px ──────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1023px) {

  .sv-content {
    padding: 2rem;
  }

  .sv-content-title {
    font-size: 1.375rem;
  }
}

/* ── Layer System (double-buffer crossfade) ──────────────────── */
.sv-showcase {
  position: relative;
}

.sv-layer {
  display: grid;
  grid-template-columns: 300px 1fr;
  width: 100%;
  height: 100%;
  transition: opacity 0.3s ease, transform 0.3s ease;
  will-change: opacity, transform;
  backface-visibility: hidden;
}

.sv-layer--current {
  position: relative;
}

.sv-layer--next {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(16px);
}

.sv-layer--out {
  opacity: 0;
  transform: translateX(-16px);
  pointer-events: none;
}

.sv-layer--in {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

/* Keep old .sv-visual.--out and .sv-content.--out for fallback */
.sv-visual.--out {
  opacity: 0;
  transform: scale(0.97);
}

.sv-content.--out {
  opacity: 0;
  transform: translateY(10px);
}

/* Tablet layer grid */
@media (min-width: 768px) and (max-width: 1023px) {
  .sv-layer {
    grid-template-columns: 260px 1fr;
  }
}

/* Mobile layer grid */
@media (max-width: 767px) {
  .sv-layer {
    grid-template-columns: 1fr;
  }
}

/* ── Reduced Motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .sv-header,
  .sv-tabs-wrap,
  .sv-showcase-wrap {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s !important;
  }

  .sv-content,
  .sv-visual,
  .sv-layer {
    transition: none !important;
  }

  .sv-tab-progress {
    animation: none !important;
  }

  .sv-visual-img {
    transition: none !important;
  }
}