/**
 * Frontend Components — Prefijo front-
 * Componentes reutilizables del sitio público.
 * Convención: todas las clases usan prefijo front- para evitar
 * colisiones con futuros componentes del admin personalizado.
 */

/* ===========================================
 * LAYOUT
 * =========================================== */

.front-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.front-section {
  padding: var(--space-8) 0;
}

.front-section--dark {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}

.front-section--darker {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.front-section--accent {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* ===========================================
 * GRID
 * =========================================== */

.front-grid {
  display: grid;
  gap: var(--space-6);
}

.front-grid--2 {
  grid-template-columns: 1fr;
}

.front-grid--3 {
  grid-template-columns: 1fr;
}

.front-grid--4 {
  grid-template-columns: 1fr 1fr;
}

@media (min-width: 768px) {
  .front-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .front-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .front-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .front-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===========================================
 * SECTION HEADERS
 * =========================================== */

.front-section-header {
  text-align: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
}

.front-section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-4);
}

.front-section-label::before {
  content: "";
  display: block;
  width: 2rem;
  height: 1px;
  background-color: var(--color-accent-primary);
}

.front-section-title {
  font-family: var(--font-family-headings);
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.front-section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .front-section-header {
    margin-bottom: var(--space-4);
  }

  .front-section-title {
    font-size: var(--text-3xl);
  }

  .front-section-subtitle {
    font-size: var(--text-base);
  }
}

/* ===========================================
 * HERO
 * =========================================== */

.front-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-8) var(--container-padding);
  background: linear-gradient(
    180deg,
    #0a0c0c 0%,
    var(--color-bg-primary) 50%,
    var(--color-bg-secondary) 100%
  );
}

.front-hero__content {
  position: relative;
  z-index: 1;
  max-width: 50rem;
}

.front-hero__pretitle {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-4);
  font-family: var(--font-family-mono);
}

.front-hero__title {
  font-family: var(--font-family-headings);
  font-size: var(--text-6xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  line-height: var(--leading-none);
}

.front-hero__title-accent {
  background: linear-gradient(
    135deg,
    var(--color-enfasis-amarillo) 0%,
    #fff176 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.front-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

.front-hero__ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 640px) {
  .front-hero__ctas {
    flex-direction: row;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .front-hero__title {
    font-size: var(--text-4xl);
  }

  .front-hero__description {
    font-size: var(--text-base);
  }
}

/* ===========================================
 * BUTTONS
 * =========================================== */

.front-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  transition: all var(--transition-slow);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.front-btn--primary {
  background-color: var(--color-enfasis-amarillo);
  color: var(--color-primario);
  border-color: var(--color-enfasis-amarillo);
}

.front-btn--primary:hover {
  background-color: var(--color-secundario);
  border-color: var(--color-secundario);
  color: var(--color-primario);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(244, 216, 0, 0.3);
}

.front-btn--outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.front-btn--outline:hover {
  border-color: var(--color-enfasis-amarillo);
  color: var(--color-enfasis-amarillo);
}

.front-btn--red {
  background-color: var(--color-enfasis-rojo);
  color: var(--color-secundario);
  border-color: var(--color-enfasis-rojo);
}

.front-btn--red:hover {
  background-color: var(--color-secundario);
  color: var(--color-enfasis-rojo);
  border-color: var(--color-enfasis-rojo);
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .front-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===========================================
 * CARDS
 * =========================================== */

.front-card {
  position: relative;
  padding: var(--space-8);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
}

.front-card:hover {
  border-color: rgba(244, 216, 0, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.front-card__icon {
  width: 3rem;
  height: 3rem;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-6);
}

.front-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.front-card__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.front-card__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-enfasis-amarillo);
  color: var(--color-primario);
  border-radius: var(--radius-sm);
}

.front-card__cta {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-accent-primary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.front-card__cta:hover {
  color: var(--color-text-primary);
}

/* ===========================================
 * VALUE STRIP (Franja de Diferenciadores)
 * =========================================== */

.front-value-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-8) var(--container-padding);
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.front-value-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

.front-value-item__icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.front-value-item__text {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

@media (max-width: 640px) {
  .front-value-strip {
    gap: var(--space-2);
  }

  .front-value-item {
    flex: 1 1 45%;
    justify-content: center;
  }
}

/* ===========================================
 * STATS COUNTER
 * =========================================== */

.front-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-10) var(--container-padding);
  background: linear-gradient(
    135deg,
    rgba(244, 216, 0, 0.05) 0%,
    transparent 100%
  );
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.front-stat {
  text-align: center;
  min-width: 8rem;
}

.front-stat__number {
  font-family: var(--font-family-headings);
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-accent-primary);
  line-height: var(--leading-none);
  margin-bottom: var(--space-2);
}

.front-stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .front-stats {
    gap: var(--space-6);
  }

  .front-stat {
    flex: 1 1 40%;
  }

  .front-stat__number {
    font-size: var(--text-3xl);
  }
}

/* ===========================================
 * ABOUT (2 Columns: Image + Text)
 * =========================================== */

.front-about {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  align-items: center;
}

.front-about__image-wrapper {
  position: relative;
  width: 100%;
  max-width: 24rem;
}

.front-about__image-wrapper::before {
  content: "";
  position: absolute;
  inset: -0.5rem;
  background: linear-gradient(
    135deg,
    var(--color-enfasis-amarillo),
    transparent
  );
  border-radius: var(--radius-2xl);
  opacity: 0.15;
  z-index: 0;
}

.front-about__image {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
  aspect-ratio: 3 / 4;
  box-shadow: var(--shadow-xl);
}

.front-about__content {
  flex: 1;
}

.front-about__bio {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.front-about__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
  border-bottom: 1px solid var(--color-accent-primary);
  padding-bottom: var(--space-1);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.front-about__link:hover {
  color: var(--color-accent-primary);
}

.front-about__link svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-fast);
}

.front-about__link:hover svg {
  transform: translateX(4px);
}

@media (min-width: 768px) {
  .front-about {
    flex-direction: row;
  }

  .front-about__image-wrapper {
    flex: 0 0 40%;
  }
}

/* ===========================================
 * PROJECT CARDS (Portfolio)
 * =========================================== */

.front-project {
  position: relative;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.front-project:hover {
  border-color: rgba(244, 216, 0, 0.3);
  transform: translateY(-4px);
}

.front-project__image-wrapper {
  position: relative;
  height: 16rem;
  overflow: hidden;
}

.front-project__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition-slower);
}

.front-project:hover .front-project__image {
  transform: scale(1.05);
}

.front-project__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-tertiary);
}

.front-project__placeholder svg {
  width: 3rem;
  height: 3rem;
  color: var(--color-border);
}

.front-project__body {
  padding: var(--space-6);
}

.front-project__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.front-project:hover .front-project__title {
  color: var(--color-accent-primary);
}

.front-project__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.front-project__techs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

/* ===========================================
 * TECH BADGES
 * =========================================== */

.front-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
}

.front-badge--accent {
  color: var(--color-primario);
  background-color: var(--color-enfasis-amarillo);
  border-color: var(--color-enfasis-amarillo);
}

/* ===========================================
 * TESTIMONIALS
 * =========================================== */

.front-testimonial {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
  padding: var(--space-8);
}

.front-testimonial__quote {
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  position: relative;
}

.front-testimonial__quote::before {
  content: "\201C";
  font-size: 4rem;
  color: var(--color-accent-primary);
  position: absolute;
  top: -1.5rem;
  left: -1rem;
  line-height: 1;
  opacity: 0.5;
}

.front-testimonial__author {
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.front-testimonial__role {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.front-testimonial__stars {
  color: var(--color-enfasis-amarillo);
  font-size: var(--text-lg);
  margin-top: var(--space-3);
}

/* ===========================================
 * CTA SECTION
 * =========================================== */

.front-cta {
  text-align: center;
  padding: var(--space-20) var(--container-padding);
  position: relative;
  overflow: hidden;
}

.front-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(244, 216, 0, 0.05) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.front-cta__title {
  font-family: var(--font-family-headings);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  position: relative;
}

.front-cta__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.front-cta__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  position: relative;
}

@media (min-width: 640px) {
  .front-cta__buttons {
    flex-direction: row;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .front-cta__title {
    font-size: var(--text-3xl);
  }
}

/* ===========================================
 * FOOTER
 * =========================================== */

.front-footer {
  padding: var(--space-8) var(--container-padding);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.front-footer__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.front-footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.front-footer__link {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.front-footer__link:hover {
  color: var(--color-accent-primary);
}

.front-footer__link svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ===========================================
 * SCROLL ANIMATIONS (CSS-only)
 * =========================================== */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(1rem);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
 * MODAL
 * =========================================== */

.front-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.front-modal.is-active {
  display: block;
  opacity: 1;
}

.front-modal__backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.9);
}

.front-modal__wrapper {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.front-modal__panel {
  position: relative;
  width: 100%;
  max-width: 56rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.front-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 10;
  padding: var(--space-2);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.front-modal__close:hover {
  color: var(--color-accent-primary);
}

.front-modal__close svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* ===========================================
 * FILTER PILLS
 * =========================================== */

.front-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-8);
}

.front-filter {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
  font-family: inherit;
}

.front-filter:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-secondary);
}

.front-filter.is-active {
  color: var(--color-bg-primary);
  background-color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

/* ===========================================
 * PORTFOLIO GRID
 * =========================================== */

.front-portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (min-width: 640px) {
  .front-portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .front-portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===========================================
 * PROJECT CARD EXTRAS (PORTFOLIO PAGE)
 * =========================================== */

.front-project__image--grayscale {
  filter: grayscale(100%);
  transition:
    filter var(--transition-slower),
    transform var(--transition-slower);
}

.front-project:hover .front-project__image--grayscale {
  filter: grayscale(0%);
}

.front-project__featured {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-bg-primary);
  background-color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.front-project__tech-main {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-bg-primary);
  background-color: var(--color-accent-primary);
}

.front-project__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.front-project__action-link {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  padding: 0;
  transition: opacity var(--transition-fast);
}

.front-project__action-link:hover {
  opacity: 0.7;
}

/* ===========================================
 * MODAL INNER LAYOUT (PROJECT DETAIL)
 * =========================================== */

.front-modal__grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .front-modal__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.front-modal__image-side {
  position: relative;
  min-height: 15rem;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .front-modal__image-side {
    min-height: 25rem;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
  }
}

.front-modal__image-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.front-modal__content-side {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-6);
}

.front-modal__section-label {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-2);
}

.front-modal__section-label--accent {
  color: var(--color-accent-primary);
}

.front-modal__section-label--muted {
  color: var(--color-text-muted);
}

.front-modal__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.front-modal__links {
  display: flex;
  gap: var(--space-4);
  padding-top: var(--space-6);
  margin-top: auto;
}

/* ===========================================
 * PORTFOLIO EMPTY STATE
 * =========================================== */

.front-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-20) var(--container-padding);
  text-align: center;
}

.front-empty__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.front-empty__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}