/* ============================================
   KERNVOLT — components.css
   Reusable UI components
   kernvolt.com
   ============================================ */

/* ── SERVICE CARDS ────────────────────────── */
.service-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  color: inherit;
}
.service-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-5);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  flex-shrink: 0;
}
.service-card:hover .service-icon {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-primary);
}
.service-icon svg { width: 22px; height: 22px; }

.service-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.service-card:hover .card-link { color: var(--text-primary); gap: var(--space-3); }

/* Full-page service cards (servicios.html) */
.service-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-16);
  border-top: 1px solid var(--border-color);
}
.service-full:first-of-type { border-top: none; }

.service-full-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-5);
  color: var(--text-secondary);
}
.service-full-icon svg { width: 28px; height: 28px; }

.service-full h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-4);
}

.service-full-visual {
  aspect-ratio: 4/3;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* ── PORTFOLIO CARDS ──────────────────────── */
.portfolio-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  transition: all var(--transition-base);
}
.portfolio-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Override hover lift for deck cards (deck handles its own transforms) */
.deck-card:hover {
  transform: none;
}

.portfolio-img {
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}
.portfolio-card:hover .portfolio-img img { transform: scale(1.04); }

/* Category tag — top-left over image */
.portfolio-category {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(0,0,0,0.10);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  pointer-events: none;
}

/* Hover overlay — dark glass + "Ver proyecto" button */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
  pointer-events: none;
}
.portfolio-card:hover .portfolio-overlay {
  background: rgba(0,0,0,0.45);
  pointer-events: auto;
}
.portfolio-overlay .btn {
  opacity: 0;
  transform: translateY(8px) scale(0.96);
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.portfolio-card:hover .portfolio-overlay .btn {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.portfolio-img-placeholder {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(0,0,0,0.10);
  letter-spacing: -0.05em;
  z-index: 1;
  text-transform: uppercase;
}

.portfolio-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.portfolio-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.portfolio-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-4);
}

.portfolio-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast), gap var(--transition-fast);
  margin-top: auto;
}
.portfolio-card:hover .portfolio-cta { color: var(--text-primary); gap: var(--space-3); }

/* ── BLOG CARDS ───────────────────────────── */
.blog-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  transition: all var(--transition-base);
}
.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-img {
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  overflow: hidden;
}
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.blog-card:hover .blog-img img { transform: scale(1.04); }

/* Topic covers (usados hasta tener fotos reales) */
.blog-cover {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.blog-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 75% 75% at 50% 50%, var(--cover-glow) 0%, transparent 70%);
}
.blog-cover-label {
  position: relative;
  z-index: 1;
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: rgba(255,255,255,0.07);
  user-select: none;
  line-height: 1;
}

.blog-cover--ia       { background: linear-gradient(135deg, #051A18 0%, #0B2E28 60%, #040E0C 100%); --cover-glow: rgba(0,229,200,0.18); }
.blog-cover--software { background: linear-gradient(135deg, #0C0A1C 0%, #18103A 60%, #07060E 100%); --cover-glow: rgba(110,80,255,0.18); }
.blog-cover--web      { background: linear-gradient(135deg, #070D1C 0%, #0A1830 60%, #040810 100%); --cover-glow: rgba(50,130,255,0.18); }
.blog-cover--gestion  { background: linear-gradient(135deg, #0F0B02 0%, #1C1400 60%, #090700 100%); --cover-glow: rgba(240,170,20,0.15); }

.blog-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.blog-meta .dot {
  width: 2px;
  height: 2px;
  background: var(--text-tertiary);
  border-radius: 50%;
}

.blog-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-3);
  line-height: 1.35;
}
.blog-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: var(--space-4);
}

.blog-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.blog-card:hover .blog-cta { color: var(--text-primary); gap: var(--space-3); }

/* ── FOUNDER CARDS ────────────────────────── */
.founder-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}
.founder-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.founder-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: var(--space-5);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 1.75rem;
  font-weight: 800;
  /* TODO: Reemplazar con foto real */
}
.founder-avatar img { width: 100%; height: 100%; object-fit: cover; }
.founder-name { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.025em; margin-bottom: var(--space-1); }
.founder-role { font-size: 0.875rem; color: var(--text-secondary); }

/* ── VALUE CARDS ──────────────────────────── */
.value-card {
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.value-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}
.value-icon svg { width: 20px; height: 20px; }

.value-card h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.value-card p { font-size: 0.875rem; line-height: 1.65; }

/* ── TIMELINE ─────────────────────────────── */
.timeline {
  position: relative;
  padding-left: var(--space-10);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-8);
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-10) + 0.5px);
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-black);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 3px var(--border-color);
}

.timeline-year {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}
.timeline-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-1);
}
.timeline-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── FEATURE LIST ─────────────────────────── */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.feature-check {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.18);
}
.feature-check svg { width: 10px; height: 10px; color: rgba(0,0,0,0.45); }

/* ── CONTACT FORM ─────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(0,0,0,0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: #aaaaaa; }
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: rgba(0,0,0,0.30);
  background: rgba(0,0,0,0.05);
}

.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(136,136,136,0.8)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-select option { background: #1a1a1a; color: #ffffff; }

.form-note {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  color: #4ade80;
}
.form-status.error {
  display: block;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: #f87171;
}

/* ── CONTACT INFO ─────────────────────────── */
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}
.contact-info-item:hover { border-color: var(--border-hover); }

.contact-info-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.05);
  color: var(--text-secondary);
}
.contact-info-icon svg { width: 20px; height: 20px; }

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}
.contact-info-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── BLOG ARTICLE ─────────────────────────── */
.article-header {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--space-12);
}
.article-header h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: var(--space-4); }
.article-header p  { font-size: 1.125rem; }

.article-body {
  max-width: 680px;
  margin-inline: auto;
}
.article-body h2,
.article-body h3 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}
.article-body p { margin-bottom: var(--space-5); color: var(--text-secondary); }
.article-body ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.article-body li { color: var(--text-secondary); font-size: 0.9375rem; }
.article-body blockquote {
  border-left: 2px solid var(--border-hover);
  padding-left: var(--space-6);
  margin-block: var(--space-8);
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-style: italic;
}
.article-body code {
  font-family: 'Courier New', monospace;
  font-size: 0.875em;
  background: rgba(0,0,0,0.05);
  border: 1px solid var(--border-color);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

/* ── CARD DECK ────────────────────────────── */
.deck-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.card-deck {
  position: relative;
  width: 420px;
  max-width: 100%;
  height: 520px;  /* card height 480px + 40px for back-card bottom peek */
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.card-deck:active { cursor: grabbing; }

/* Individual deck card — fixed height, opaque white */
.deck-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 480px;
  overflow: hidden;
  background: #1A1A1A;            /* solid dark — back cards can't bleed through */
  transform-origin: bottom center;
  transition: transform 300ms ease-out, box-shadow 300ms ease-out;
  will-change: transform;
  /* cancel hover-lift from .portfolio-card:hover */
  border-color: var(--border-color);
}

/* Maintain deck-position transforms on hover (overrides .portfolio-card:hover) */
.deck-card[data-pos="0"] {
  transform: rotate(0deg) scale(1);
  z-index: 3;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
}
.deck-card[data-pos="1"] {
  transform: rotate(-1deg) scale(0.95) translateY(10px);
  z-index: 2;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.deck-card[data-pos="2"] {
  transform: rotate(-3deg) scale(0.90) translateY(20px);
  z-index: 1;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Keep correct transforms on hover — prevents portfolio-card:hover translateY interfering */
.deck-card[data-pos="0"]:hover { transform: rotate(0deg) scale(1); }
.deck-card[data-pos="1"]:hover { transform: rotate(-1deg) scale(0.95) translateY(10px); }
.deck-card[data-pos="2"]:hover { transform: rotate(-3deg) scale(0.90) translateY(20px); }

/* Image — 60% of card height */
.deck-card .portfolio-img {
  aspect-ratio: unset;
  flex: 0 0 60%;
}

/* Body — 40% of card height, truncated content */
.deck-card .portfolio-body {
  flex: 0 0 40%;
  overflow: hidden;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.deck-card .portfolio-tags {
  flex-shrink: 0;
  flex-wrap: nowrap;
  overflow: hidden;
  white-space: nowrap;
  margin-bottom: 0;
  gap: var(--space-1);
}

.deck-card .portfolio-body h3 {
  flex-shrink: 0;
  font-size: 1rem;
  margin-bottom: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.deck-card .portfolio-body p {
  font-size: 0.8125rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
  flex: 1 1 auto;
  min-height: 0;
}

.deck-card .portfolio-cta {
  flex-shrink: 0;
  font-size: 0.8125rem;
  margin-top: auto;
}

/* Navigation dots */
.deck-dots {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  align-items: center;
}

.deck-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.20);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-base), transform var(--transition-base);
}
.deck-dot.active {
  background: #FFFFFF;
  transform: scale(1.3);
}
.deck-dot:hover:not(.active) {
  background: rgba(255,255,255,0.45);
}

/* Drag hint */
.deck-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  margin-top: calc(-1 * var(--space-2));
}

/* ── RESPONSIVE COMPONENTS ────────────────── */
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }

  .service-full {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .service-full:nth-child(even) .service-full-visual { order: -1; }

  /* Deck: full width on mobile */
  .card-deck {
    width: 100%;
    height: 500px;
  }
  .deck-card {
    height: 460px;
  }

  /* Hide drag hint on touch devices */
  .deck-hint { display: none; }

  /* Portfolio detail: una columna */
  .portfolio-detail-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-6) !important;
    direction: ltr !important;
  }
  .portfolio-detail-img { aspect-ratio: 16/9; }

  /* Service full visual: ocultar en mobile para no romper el layout */
  .service-full-visual { display: none; }
}

@media (max-width: 420px) {
  .card-deck  { height: 460px; }
  .deck-card  { height: 420px; }

  .deck-card .portfolio-body { padding: var(--space-3); }
  .deck-card .portfolio-body h3 { font-size: 1rem; }
  .deck-card .portfolio-body p  { font-size: 0.8rem; -webkit-line-clamp: 2; }
}