/* =========================================================================
   INTERNAL PAGES — shared layout for sub-pages
   Nosotros, Consultoría, Capacitaciones, Cursos, Galería, Blog, Contacto
   ========================================================================= */

/* ---------- Mission / Vision / Objective cards ---------- */
.mvo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.mvo__card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--dur) var(--ease);
}

.mvo__card::before {
  content: "";
  position: absolute;
  top: -30px; left: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 20%, transparent), transparent 70%);
  pointer-events: none;
  transition: transform var(--dur) var(--ease);
}

.mvo__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.mvo__card:hover::before { transform: scale(1.4); }

.mvo__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-brand-700) 15%, transparent),
    color-mix(in srgb, var(--color-accent) 15%, transparent));
  color: var(--color-brand-700);
  margin-bottom: var(--space-5);
  position: relative;
  z-index: 1;
}

.mvo__icon svg { width: 28px; height: 28px; }

.mvo__card h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-4);
  position: relative;
}

.mvo__card p {
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
  position: relative;
}

/* ---------- Values grid ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}

.value {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: all var(--dur) var(--ease);
}

.value::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--color-brand-700);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.value:hover {
  border-color: var(--color-border-strong);
  transform: translateX(4px);
}

.value:hover::after { transform: scaleY(1); }

.value__number {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  letter-spacing: 0.15em;
}

.value__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.value__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ---------- Services list (Consultoría) ---------- */
.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-5);
  counter-reset: srvc;
}

.service-item {
  padding: var(--space-6) var(--space-6) var(--space-6) 5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  transition: all var(--dur) var(--ease);
  counter-increment: srvc;
}

.service-item::before {
  content: counter(srvc, decimal-leading-zero);
  position: absolute;
  left: var(--space-5); top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-accent);
  width: 2.5rem;
}

.service-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.service-item h4 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.service-item p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ---------- Image strip (consulting showcase) ---------- */
.image-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-block: var(--space-10);
}

.image-strip img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}

.image-strip a {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.image-strip a:hover img {
  transform: scale(1.05);
}

/* ---------- Intro blocks ---------- */
.intro-block {
  max-width: 820px;
  margin: 0 auto var(--space-12);
  text-align: center;
}

.intro-block p {
  font-size: var(--fs-lg);
  line-height: var(--lh-normal);
}

/* ---------- Course cards for catalog (Capacitaciones) ---------- */
.courses-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.search-box svg {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--color-text-soft);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--fs-sm);
  transition: all var(--dur-fast) var(--ease);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  padding: 0.6rem 1.2rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.chip.active {
  background: var(--color-brand-800);
  color: #fff;
  border-color: var(--color-brand-800);
}

.category-block {
  margin-bottom: var(--space-16);
}

.category-block__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border);
}

.category-block__head h3 {
  font-size: var(--fs-2xl);
  margin: 0;
}

.category-block__count {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: var(--fs-sm);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

.course-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-brand-700), var(--color-accent));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.course-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  box-shadow: var(--shadow-md);
}

.course-card:hover::before { transform: scaleY(1); }

.course-card__tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
}

.course-card__tag--ley { color: var(--color-brand-700); background: color-mix(in srgb, var(--color-brand-700) 10%, transparent); }

.course-card h4 {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: var(--lh-snug);
  flex: 1;
}

.course-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-brand-700);
  margin-top: auto;
}

.course-card__cta svg {
  width: 14px; height: 14px;
  transition: transform var(--dur) var(--ease);
}

.course-card:hover .course-card__cta svg { transform: translateX(3px); }
.course-card:hover .course-card__cta { color: var(--color-accent); }

.no-results {
  padding: var(--space-16);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border-strong);
}

/* ---------- Virtual training callout ---------- */
.virtual-callout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  padding: var(--space-12);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-brand-700) 6%, var(--color-bg-alt)),
    color-mix(in srgb, var(--color-accent) 4%, var(--color-bg-alt)));
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-16);
}

@media (max-width: 820px) {
  .virtual-callout { grid-template-columns: 1fr; padding: var(--space-8); }
}

.virtual-callout img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
}

.virtual-callout h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-4);
}

.virtual-callout p {
  font-size: var(--fs-base);
}

/* ---------- Courses Especializados: feature cards ---------- */
.course-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  margin-bottom: var(--space-16);
}

.course-feature:nth-child(even) { direction: rtl; }
.course-feature:nth-child(even) > * { direction: ltr; }

@media (max-width: 900px) {
  .course-feature, .course-feature:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

.course-feature__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.course-feature__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.course-feature:hover .course-feature__image img {
  transform: scale(1.04);
}

.course-feature__tag {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
  font-weight: 600;
}

.course-feature h3 {
  font-size: clamp(1.75rem, 1.2rem + 2.5vw, 2.5rem);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.course-feature p {
  margin-bottom: var(--space-6);
}

.course-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.course-meta__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.course-meta__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-soft);
}

.course-meta__value {
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--fs-sm);
}

.modules-list {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.modules-list li {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-accent);
}

.requirements {
  padding: var(--space-6);
  background: color-mix(in srgb, var(--color-accent-2) 8%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-accent-2) 25%, var(--color-border));
  border-radius: var(--radius-md);
  margin-top: var(--space-10);
}

.requirements h4 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.requirements h4 svg {
  width: 20px; height: 20px;
  color: var(--color-accent-2);
}

.requirements ul {
  display: grid;
  gap: var(--space-2);
}

.requirements li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.requirements li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.gallery-item {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: var(--shadow-sm);
  transition: all var(--dur) var(--ease);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.gallery-item:hover img { transform: scale(1.08); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 16, 32, 0.85));
  color: #fff;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.gallery-item:hover .gallery-item__overlay,
.gallery-item:focus-visible .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-base);
  margin-bottom: var(--space-1);
}

.gallery-item__desc {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.8);
}

.gallery-item__zoom {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.95);
  color: var(--color-brand-800);
  border-radius: 50%;
  transform: scale(0) rotate(-90deg);
  transition: transform var(--dur) var(--ease-bounce);
}

.gallery-item:hover .gallery-item__zoom { transform: scale(1) rotate(0); }

.gallery-item__zoom svg { width: 18px; height: 18px; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.96);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: var(--space-6);
}

.lightbox.open { display: flex; animation: lightbox-in 0.3s var(--ease); }

@keyframes lightbox-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox__close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--dur-fast) var(--ease);
}

.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

.lightbox__close svg { width: 24px; height: 24px; }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--dur-fast) var(--ease);
}

.lightbox__nav:hover { background: rgba(255,255,255,0.25); }
.lightbox__nav svg { width: 24px; height: 24px; }
.lightbox__nav--prev { left: var(--space-4); }
.lightbox__nav--next { right: var(--space-4); }

@media (max-width: 560px) {
  .lightbox__nav { width: 40px; height: 40px; }
  .lightbox__close { top: var(--space-3); right: var(--space-3); }
}

/* ---------- Blog ---------- */
.blog-placeholder {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-16);
  text-align: center;
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-xl);
}

.blog-placeholder__icon {
  width: 88px; height: 88px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-brand-700), var(--color-accent));
  color: #fff;
  border-radius: 50%;
  margin-bottom: var(--space-6);
}

.blog-placeholder__icon svg { width: 42px; height: 42px; }

.blog-placeholder h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-4);
}

.blog-placeholder p {
  max-width: 520px;
  margin: 0 auto var(--space-8);
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--color-bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.testimonial {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--dur) var(--ease);
}

.testimonial::before {
  content: """;
  position: absolute;
  top: -20px; left: var(--space-6);
  font-family: Georgia, serif;
  font-size: 6rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.25;
  font-weight: 700;
}

.testimonial:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.testimonial__quote {
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: var(--lh-normal);
  margin-bottom: var(--space-6);
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.testimonial__avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-brand-700), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  flex-shrink: 0;
}

.testimonial__name {
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--fs-sm);
}

.testimonial__company {
  font-size: var(--fs-xs);
  color: var(--color-text-soft);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-10);
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info {
  padding: var(--space-8);
  background:
    linear-gradient(135deg, var(--color-brand-900), var(--color-brand-800) 60%, var(--color-brand-700));
  color: #fff;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 194, 255, 0.25), transparent 40%);
  pointer-events: none;
}

.contact-info > * { position: relative; }

.contact-info h3 {
  color: #fff;
  margin-bottom: var(--space-8);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.contact-info__item:last-of-type { border-bottom: 0; }

.contact-info__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.contact-info__icon svg { width: 20px; height: 20px; }

.contact-info__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--fs-base);
  color: #fff;
}

.contact-info__value a {
  color: #fff;
  transition: color var(--dur-fast) var(--ease);
  display: block;
}

.contact-info__value a:hover { color: var(--color-accent); }

/* Form */
.contact-form {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact-form h3 {
  margin-bottom: var(--space-2);
}

.contact-form > p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  font-size: var(--fs-sm);
}

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

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field--full { grid-column: 1 / -1; }

.field label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
}

.field label .req {
  color: var(--color-danger);
  margin-left: 2px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--fs-base);
  transition: all var(--dur-fast) var(--ease);
}

.field textarea {
  resize: vertical;
  min-height: 140px;
  font-family: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: var(--color-danger);
}

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* =========================================================================
   BLOG — listing + post detail
   ========================================================================= */

/* Blog filters */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}

/* Blog grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.4s var(--ease);
  text-align: left;
  cursor: pointer;
  position: relative;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  box-shadow: var(--shadow-lg), 0 20px 50px -10px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.blog-card__image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.blog-card:hover .blog-card__image img { transform: scale(1.06); }

.blog-card__category {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--color-brand-800);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}

.blog-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-text-soft);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
}

.blog-card__meta svg { width: 14px; height: 14px; }

.blog-card__meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--color-text-soft);
}

.blog-card h3 {
  font-size: var(--fs-xl);
  line-height: 1.25;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.blog-card__excerpt {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
  margin-bottom: var(--space-5);
  flex: 1;
}

.blog-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-brand-700);
  font-size: var(--fs-sm);
  margin-top: auto;
}

.blog-card__cta svg {
  width: 14px; height: 14px;
  transition: transform var(--dur) var(--ease);
}

.blog-card:hover .blog-card__cta { color: var(--color-accent); }
.blog-card:hover .blog-card__cta svg { transform: translateX(3px); }

/* Blog post (modal/detail view) */
.blog-post {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 500;
  overflow-y: auto;
  display: none;
}

.blog-post.open {
  display: block;
  animation: post-slide-in 0.4s var(--ease);
}

@keyframes post-slide-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.blog-post__close {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 50%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  z-index: 10;
  transition: all var(--dur-fast) var(--ease);
}

.blog-post__close:hover {
  transform: rotate(90deg);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.blog-post__close svg { width: 20px; height: 20px; }

.blog-post__hero {
  width: 100%;
  aspect-ratio: 21/9;
  max-height: 50vh;
  object-fit: cover;
  margin-bottom: var(--space-8);
}

.blog-post__container {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-8) clamp(1rem, 4vw, 2rem) var(--space-20);
}

.blog-post__category {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.blog-post h1 {
  font-size: clamp(1.75rem, 1.2rem + 2.5vw, 3rem);
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.blog-post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.blog-post__meta svg { width: 16px; height: 16px; }

.blog-post__body {
  font-size: var(--fs-lg);
  line-height: 1.75;
  color: var(--color-text);
}

.blog-post__body p {
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.blog-post__body h3 {
  font-size: var(--fs-2xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
  border-left: 4px solid var(--color-accent);
  color: var(--color-text);
}

.blog-post__body h4 {
  font-size: var(--fs-xl);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.blog-post__body ul,
.blog-post__body ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.blog-post__body ul li,
.blog-post__body ol li {
  margin-bottom: var(--space-3);
  line-height: 1.7;
  list-style: disc;
  color: var(--color-text-muted);
}

.blog-post__body ol li { list-style: decimal; }

.blog-post__body ul li::marker,
.blog-post__body ol li::marker {
  color: var(--color-accent);
  font-weight: 700;
}

.blog-post__body strong {
  color: var(--color-text);
  font-weight: 700;
}

.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.blog-post__tag {
  padding: 0.35rem 0.8rem;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
}

.blog-post__cta-bottom {
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-brand-700) 10%, var(--color-bg-alt)),
    color-mix(in srgb, var(--color-accent) 8%, var(--color-bg-alt)));
  border-radius: var(--radius-lg);
  text-align: center;
}

.blog-post__cta-bottom h4 {
  margin-bottom: var(--space-3);
}

.blog-post__cta-bottom p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

body.blog-post-open {
  overflow: hidden;
}