/* ============================================
   Section: Hero
   ============================================ */
.hero {
  display: flex;
  min-height: 100vh;
  background: var(--surface-container-lowest);
  position: relative;
}

.hero-photo {
  width: 60%;
  position: relative;
  overflow: hidden;
  background: black;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  opacity: 0.85;
  animation: hero-zoom 15s ease-out forwards;
}

@keyframes hero-zoom {
  from { transform: scale(1); }
  to   { transform: scale(1.05); }
}

.hero-content {
  width: 40%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-desktop);
  border-left: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, var(--text-display-xl));
  font-weight: 400;
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1.4vw, var(--text-display-md));
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    min-height: auto;
  }
  .hero-photo {
    width: 100%;
    height: 50vh;
  }
  .hero-content {
    width: 100%;
    padding: var(--space-mobile);
    border-left: none;
    min-height: 50vh;
  }
  .hero-name {
    font-size: var(--text-display-lg);
  }
}

/* ============================================
   Section: Sobre Mí
   ============================================ */
.sobre-mi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  background: var(--surface-container-lowest);
}

.sobre-mi-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-desktop);
}

.sobre-mi-photo {
  position: relative;
  overflow: hidden;
  border-left: 1px solid var(--outline-variant);
}

.sobre-mi-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  opacity: 0.6;
}

.sobre-mi-text p {
  margin-bottom: 24px;
  max-width: 560px;
}

.sobre-mi-text p:last-of-type {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .sobre-mi {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .sobre-mi-photo {
    height: 50vh;
    order: -1;
    border-left: none;
  }
  .sobre-mi-text {
    padding: var(--space-mobile);
  }
}


/* ============================================
   Section: Trayectoria
   ============================================ */
.trayectoria {
  background: var(--light-surface);
  color: var(--light-text-primary);
  position: relative;
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
}

.trayectoria-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.trayectoria .timeline-line {
  background: var(--light-border);
}

.trayectoria .timeline-title {
  color: var(--light-text-primary);
}

.trayectoria .timeline-body {
  color: var(--light-text-secondary);
}

.trayectoria .timeline-dot.dim {
  background: var(--light-border);
}

.trayectoria .timeline-date.dim {
  color: var(--light-text-secondary);
}

.trayectoria-photo-col {
  min-width: 0;
}

.trayectoria-photo {
  position: sticky;
  top: 80px;
  width: 100%;
  height: 560px;
  overflow: hidden;
  border: 1px solid var(--outline-variant);
}

.trayectoria-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
}

@media (max-width: 1100px) {
  .trayectoria-inner {
    grid-template-columns: 1fr;
  }
  .trayectoria-photo-col {
    display: none;
  }
}

@media (max-width: 768px) {
  .trayectoria-inner {
    gap: 24px;
  }
}

/* ============================================
   Section: Emprendimiento (was Liderazgo)
   ============================================ */
.liderazgo {
  background: var(--surface);
  color: var(--on-surface);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
  position: relative;
  overflow: hidden;
}

.liderazgo-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  z-index: 0;
}

.liderazgo-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.5);
}

.liderazgo-content {
  position: relative;
  z-index: 1;
}

.liderazgo .card {
  background: var(--surface-container);
  border-color: var(--outline-variant);
}

.liderazgo .card-title {
  color: var(--accent-gold);
}

.liderazgo .card-body {
  color: var(--on-surface-variant);
}

@media (max-width: 768px) {
  .liderazgo {
    padding-top: 80px;
    padding-bottom: 80px;
  }
}

/* ============================================
   Section: Educación
   ============================================ */
.educacion {
  background: var(--light-surface);
  color: var(--light-text-primary);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
  position: relative;
  overflow: hidden;
}

.educacion-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  z-index: 0;
}

.educacion-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.8) brightness(0.8);
}

.educacion-content {
  position: relative;
  z-index: 1;
}

.edu-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.edu-item {
  padding: 24px 0;
  border-top: 2px solid var(--light-border);
}

.edu-year {
  font-family: var(--font-label);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--light-text-primary);
  margin-bottom: 8px;
  opacity: 0.2;
}

.edu-degree {
  font-family: var(--font-display);
  font-size: 0.8rem;
  line-height: 1.35;
  margin-bottom: 6px;
}

.edu-school {
  font-family: var(--font-body);
  font-size: var(--text-metadata);
  color: var(--light-text-secondary);
  font-style: italic;
}

@media (max-width: 1024px) {
  .edu-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .edu-timeline {
    grid-template-columns: 1fr 1fr;
  }
  .edu-year {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .edu-timeline {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Section: Profesor
   ============================================ */
.profesor {
  background: var(--surface-container-low);
  color: var(--on-surface);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
  position: relative;
  overflow: hidden;
}

.profesor-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.07;
  z-index: 0;
}

.profesor-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.4);
}

.profesor .card {
  background: var(--surface-container);
  border-color: var(--outline-variant);
}

.profesor .card-title {
  color: var(--accent-gold);
}

.profesor .card-body {
  color: var(--on-surface-variant);
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.course-tag {
  font-family: var(--font-label);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border: 1px solid var(--outline-variant);
  color: var(--on-surface-variant);
  transition: border-color var(--duration-fast) ease,
              color var(--duration-fast) ease;
}

.course-tag:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* ============================================
   Section: Publicaciones (académicas)
   ============================================ */
.publicaciones {
  background: var(--surface-container-lowest);
  color: var(--on-surface);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
}

/* ============================================
   Section: Prensa
   ============================================ */
.prensa {
  background: var(--surface-container-low);
  color: var(--on-surface);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
}

.media-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--outline-variant);
  font-family: var(--font-body);
  font-size: var(--text-body-standard);
  color: var(--on-surface-variant);
  transition: color var(--duration-fast) ease;
}

.media-link:hover {
  color: var(--accent-gold);
}

.media-link:last-child {
  border-bottom: none;
}

.media-outlet {
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--accent-gold);
  min-width: 140px;
  flex-shrink: 0;
}

/* ============================================
   Section: Newsletter
   ============================================ */
.newsletter {
  background: var(--surface);
  color: var(--on-surface);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
}

/* ============================================
   Section: Certificaciones
   ============================================ */
.certificaciones {
  background: var(--surface-container);
  color: var(--on-surface);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
}

/* ============================================
   Section: Skills
   ============================================ */
.skills {
  background: var(--light-surface);
  color: var(--light-text-primary);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
}

/* ============================================
   Section: Hobbies
   ============================================ */
.hobbies {
  background: var(--surface-container-lowest);
  color: var(--on-surface);
  padding-top: 80px;
  padding-bottom: 80px;
}

.hobby-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  max-width: var(--max-width);
  margin: 0 auto;
}

@media (max-width: 900px) {
  .hobby-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .hobby-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Section: Contacto
   ============================================ */
.contacto {
  background: var(--light-surface);
  color: var(--light-text-primary);
  padding-top: var(--space-gap);
  padding-bottom: var(--space-gap);
  position: relative;
  overflow: hidden;
}

/* ============================================
   Section: Footer
   ============================================ */
.footer-section {
  background: var(--surface-container-lowest);
}

.footer {
  position: relative;
  padding: 48px var(--space-desktop);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  border-top: 1px solid var(--outline-variant);
  overflow: hidden;
  gap: 12px;
}

.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-metadata);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--on-surface-variant);
  position: relative;
  z-index: 1;
}

.footer-links {
  display: flex;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.footer-icon-link {
  color: var(--on-surface-variant);
  transition: color var(--duration-fast) ease;
  display: flex;
  align-items: center;
}

.footer-icon-link:hover {
  color: var(--accent-gold);
}

.footer-credit {
  font-family: var(--font-body);
  font-size: var(--text-metadata);
  color: var(--on-surface-variant);
  opacity: 0.4;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .footer {
    padding-left: var(--space-mobile);
    padding-right: var(--space-mobile);
    align-items: center;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 100;
  padding: 8px 16px;
  background: var(--accent-gold);
  color: var(--on-primary);
  font-family: var(--font-label);
  font-size: var(--text-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  transition: top 200ms ease;
}

.skip-link:focus {
  top: 8px;
}