/* ═══════════════════════════════════════════════════
   VENADO DE FUEGO — Main CSS v3.0 Premium
   Components, articles, animations, forms
   ═══════════════════════════════════════════════════ */

/* ── Service Cards — Premium ── */
.service-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-fire);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -20%;
  width: 140%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(232,83,30,0.04) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity 0.4s ease;
  opacity: 0;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(26,10,10,0.1), 0 4px 12px rgba(232,83,30,0.08);
  border-color: var(--border-fire);
  color: var(--text-primary);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { opacity: 1; }

.service-card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--gradient-fire);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--text-on-fire);
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 16px rgba(232,83,30,0.2);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.service-card:hover .service-card-icon {
  box-shadow: 0 6px 24px rgba(232,83,30,0.35);
  transform: scale(1.05);
}
.service-card-title { font-size: 1.35rem; margin-bottom: var(--space-sm); }
.service-card-desc { font-size: 0.92rem; color: var(--text-secondary); flex: 1; margin-bottom: var(--space-lg); line-height: 1.7; }

.section-dark .service-card {
  background: rgba(253, 248, 244, 0.06);
  border-color: rgba(253, 248, 244, 0.1);
}
.section-dark .service-card:hover {
  background: rgba(253, 248, 244, 0.1);
  border-color: rgba(232, 83, 30, 0.35);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 4px 12px rgba(232,83,30,0.15);
}
.section-dark .service-card-title { color: var(--text-inverse); }
.section-dark .service-card-desc { color: rgba(253, 248, 244, 0.65); }
.service-card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.2s ease;
}
.service-card:hover .service-card-link { gap: 0.6rem; }

/* ── Service Detail Blocks — Expanded inline ── */
.service-detail {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  margin-bottom: var(--space-lg);
  position: relative;
  overflow: hidden;
}
.service-detail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-fire);
}
.service-detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.service-detail-header h3 { margin-bottom: 0; font-size: 1.5rem; }
.service-detail-tagline { color: var(--color-accent); font-weight: 500; font-size: 0.9rem; margin-bottom: 0; margin-top: 0.15rem; }
.service-detail-lead { font-size: 0.95rem; line-height: 1.75; color: var(--text-secondary); margin-bottom: var(--space-lg); max-width: 850px; }
.service-features { margin-bottom: var(--space-md); }
.feature-item {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: border-color 0.2s ease;
}
.feature-item:hover { border-color: var(--border-fire); }
.feature-item h4 { font-size: 0.98rem; margin-bottom: var(--space-sm); color: var(--text-primary); }
.feature-item p { font-size: 0.88rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 0; }
.service-detail-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}
.service-detail-metrics span { font-size: 0.88rem; color: var(--text-secondary); }
.service-detail-metrics strong { color: var(--text-primary); }

/* ── Vertical Cards — Premium ── */
.vertical-card {
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.vertical-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--gradient-fire);
  border-radius: 0 0 2px 2px;
  opacity: 0;
  transition: opacity 0.3s ease, width 0.3s ease;
}
.vertical-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(26,10,10,0.08), 0 4px 12px rgba(232,83,30,0.06);
  border-color: var(--border-fire);
}
.vertical-card:hover::before { opacity: 1; width: 100%; left: 0; transform: none; }

.vertical-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-fire);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-on-fire);
  margin: 0 auto var(--space-md);
  box-shadow: 0 4px 12px rgba(232,83,30,0.2);
  transition: transform 0.3s ease;
}
.vertical-card:hover .vertical-card-icon { transform: scale(1.08); }
.vertical-card-title { font-size: 1.08rem; margin-bottom: var(--space-sm); }
.vertical-card-desc { font-size: 0.86rem; color: var(--text-secondary); margin-bottom: 0; line-height: 1.65; }

.js-tilt-glare { border-radius: inherit; }
.vertical-card { transform-style: preserve-3d; }
.blog-card { transform-style: preserve-3d; }
.market-card { transform-style: preserve-3d; }

.section-dark .vertical-card {
  background: rgba(253, 248, 244, 0.06);
  border-color: rgba(253, 248, 244, 0.1);
}
.section-dark .vertical-card:hover {
  background: rgba(253, 248, 244, 0.1);
  border-color: rgba(232, 83, 30, 0.35);
  box-shadow: 0 16px 32px rgba(0,0,0,0.3), 0 4px 12px rgba(232,83,30,0.15);
}
.section-dark .vertical-card-title { color: var(--text-inverse); }
.section-dark .vertical-card-desc { color: rgba(253, 248, 244, 0.6); }

/* ── Blog Cards — Premium ── */
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  text-decoration: none;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(26,10,10,0.12), 0 8px 20px rgba(232,83,30,0.1);
  border-color: var(--border-fire);
  color: var(--text-primary);
}

.blog-card-image, .blog-card-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.blog-card-image img, .blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.blog-card:hover .blog-card-image img,
.blog-card:hover .blog-card-img img { transform: scale(1.08); }

.blog-card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a0a0a 0%, #2d1210 40%, #1a0a0a 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 80%, rgba(232,83,30,0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(245,166,35,0.12) 0%, transparent 50%);
  pointer-events: none;
}
.blog-card-placeholder::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-fire);
  opacity: 0.6;
}
.blog-card-placeholder-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: rgba(232,83,30,0.35);
  position: relative;
  z-index: 1;
  transition: color 0.4s ease, transform 0.4s ease;
}
.blog-card:hover .blog-card-placeholder-icon {
  color: rgba(232,83,30,0.6);
  transform: scale(1.1);
}

.blog-card-category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255,255,255,0.95);
  background: rgba(232,83,30,0.85);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 1;
}

.blog-card-body {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
}
.blog-card-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  line-height: 1.35;
  font-weight: 700;
  transition: color 0.3s ease;
}
.blog-card:hover .blog-card-title { color: var(--color-accent); }
.blog-card-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 0;
  line-height: 1.7;
}
.blog-card-arrow {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-xl);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(232,83,30,0.08);
  color: var(--color-accent);
  transition: background 0.3s ease, transform 0.3s ease;
}
.blog-card-arrow .icon { width: 0.9rem; height: 0.9rem; }
.blog-card:hover .blog-card-arrow {
  background: var(--color-accent);
  color: #fff;
  transform: translate(2px, -2px);
}

/* ── Case Study Cards (legacy support) ── */
.case-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); color: var(--text-primary); }
.case-card-image, .case-card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; background: var(--gradient-fire-dark); }
.case-card-placeholder { width: 100%; height: 100%; background: var(--gradient-fire-dark); }
.case-card-tag { position: absolute; top: var(--space-md); left: var(--space-md); background: var(--gradient-fire); color: var(--text-on-fire); font-size: 0.68rem; font-weight: 700; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.06em; box-shadow: 0 2px 8px rgba(232,83,30,0.3); }
.case-card-body { padding: var(--space-lg); display: flex; flex-direction: column; flex: 1; }
.case-card-title { font-size: 1.1rem; margin-bottom: var(--space-sm); line-height: 1.3; }
.case-card-desc { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: var(--space-md); flex: 1; }
.case-card-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-sm); padding-top: var(--space-md); border-top: 1px solid var(--border-color); }
.case-card-metric { text-align: center; }
.case-card-metric strong { display: block; font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; color: var(--color-accent); }
.case-card-metric span { font-size: 0.68rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.03em; }

/* ── Market Cards — Premium ── */
.market-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(253, 248, 244, 0.03);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(253, 248, 244, 0.06);
  transition: transform 0.35s ease, background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}
.market-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--gradient-fire);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.market-card:hover {
  background: rgba(253, 248, 244, 0.07);
  border-color: rgba(232, 83, 30, 0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25), 0 2px 8px rgba(232,83,30,0.1);
}
.market-card:hover::before { width: 100%; }
.market-flag {
  font-size: 2.6rem;
  line-height: 1;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
  transition: transform 0.3s ease;
}
.market-card:hover .market-flag { transform: scale(1.1); }
.market-info { flex: 1; }
.market-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--text-inverse);
  margin-bottom: 0.2rem;
  letter-spacing: 0.01em;
}
.market-strengths {
  font-size: 0.82rem;
  color: rgba(253, 248, 244, 0.4);
  margin-bottom: 0;
  letter-spacing: 0.02em;
}

/* ── Methodology Steps — Premium ── */
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  position: relative;
}
.method-grid::before {
  content: '';
  position: absolute;
  top: 72px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--border-color) 10%, var(--border-color) 90%, transparent 100%);
  z-index: 0;
}
.method-card {
  text-align: center;
  padding: var(--space-lg) var(--space-sm);
  position: relative;
  z-index: 1;
}
.method-card-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  background: var(--gradient-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.25;
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.method-card-icon, .method-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.15rem;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.method-card:hover .method-card-icon,
.method-card:hover .method-icon {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-subtle), var(--shadow-md);
}
.method-card-title, .method-title { font-size: 1.05rem; margin-bottom: var(--space-sm); }
.method-card-desc, .method-desc { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 0; line-height: 1.65; }


/* ── Author home block (E-E-A-T) ── */
.author-home {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  max-width: var(--container-narrow);
  margin: 0 auto;
}
.author-home-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--border-color);
}
.author-home-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.author-home-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--text-primary);
}
.author-home-role {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
}
.author-home-bio {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: var(--space-xs);
}
.author-home-email {
  font-size: 0.85rem;
  color: var(--color-accent);
  text-decoration: none;
}
.author-home-email:hover { text-decoration: underline; }
@media (max-width: 480px) {
  .author-home { flex-direction: column; align-items: center; text-align: center; }
}

/* ── CTA Block — Premium ── */
.section-cta { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.cta-block {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--gradient-fire-dark);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(232,83,30,0.15);
}
.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(232,83,30,0.2) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 0%, rgba(245,166,35,0.06) 0%, transparent 40%);
  pointer-events: none;
}
.cta-block::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: radial-gradient(circle, rgba(232,83,30,0.8) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.cta-block > * { position: relative; z-index: 1; }
.cta-block h3 { color: var(--text-inverse); font-size: clamp(1.4rem, 3vw, 1.8rem); margin-bottom: var(--space-lg); }
.cta-block p { color: rgba(253, 248, 244, 0.6); font-size: 0.95rem; margin-bottom: var(--space-xl); }

/* ── FAQ Block — Premium ── */
.faq-list { max-width: var(--container-narrow); margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-color);
  transition: border-color 0.2s ease;
}
.faq-item:hover { border-color: var(--border-fire); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  gap: var(--space-md);
  transition: color 0.15s ease;
}
.faq-question:hover { color: var(--color-accent); }
.faq-question span { flex: 1; }
.faq-question i, .faq-question svg {
  flex-shrink: 0;
  color: var(--color-accent);
  font-size: 1rem;
  width: 20px;
  height: 20px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item.open .faq-question { color: var(--color-accent); }
.faq-item.open .faq-question i,
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer { overflow: hidden; max-height: 0; transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.faq-answer[hidden] { display: block; }
.faq-answer p { padding-bottom: var(--space-lg); color: var(--text-secondary); line-height: 1.85; font-size: 0.93rem; }
.faq-item.open .faq-answer { max-height: 600px; }


/* ── Reveal Animations ── */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.no-js .reveal { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid::before { display: none; }
  .case-card-metrics { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .method-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
}