/* ============================================
   VALFOS S.A. — Reusable Components
   components.css · v1.0
   ============================================ */

/* --- Section Header --- */
.section-header { margin-bottom: var(--space-3xl); }

.overline {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--text-lg);
  line-height: 1.6;
}

.section--dark .section-header p { color: var(--text-secondary); }
.section--light .section-header p,
.section--neutral .section-header p { color: var(--text-on-light-secondary); }

/* --- Hero (Industrial Archetype) --- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: var(--bg);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  z-index: 1;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(17, 17, 17, 0.7);
}

.hero .container { position: relative; z-index: 2; }

.hero-content {
  max-width: 100%;
  padding: var(--space-4xl) 0 var(--space-2xl);
  padding-left: var(--space-xl);
  position: relative;
}

.hero-content::before {
  content: '';
  position: absolute;
  left: 0;
  top: var(--space-4xl);
  bottom: var(--space-2xl);
  width: 3px;
  background: var(--primary);
}

.hero-overline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, var(--text-4xl));
  font-weight: 800;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 52ch;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .hero-media {
    width: 50%;
  }
  .hero-media::after {
    background: linear-gradient(to right, var(--bg) 0%, rgba(17, 17, 17, 0.4) 60%, transparent 100%);
  }
  .hero-content {
    max-width: 55%;
    padding: 0;
    padding-left: var(--space-xl);
  }
  .hero-content::before {
    top: 0;
    bottom: 0;
  }
}

@media (min-width: 1200px) {
  .hero-media {
    width: calc(45% + ((100vw - var(--container)) / 2));
  }
}

/* --- Stats Strip --- */
.stats-section {
  padding: 0;
  background: var(--bg-dark-alt);
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  text-align: center;
}

.stat-item {
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  top: 20%;
  right: 0;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,0.1);
}

.stat-item:nth-child(2n)::after { display: none; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .stat-item::after { display: block; }
  .stat-item:last-child::after { display: none; }
  .stat-item { padding: var(--space-2xl); }
}

/* --- Zig-Zag Blocks --- */
.zigzag-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}
.zigzag-block:last-child { margin-bottom: 0; }

.zigzag-media { overflow: hidden; border-radius: 4px; }
.zigzag-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  filter: grayscale(100%);
  transition: transform var(--dur-slow) var(--ease-out),
              filter var(--dur-slow) var(--ease-out);
}
.zigzag-block:hover .zigzag-media img {
  transform: scale(1.03);
  filter: grayscale(0%);
}

.zigzag-content h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.zigzag-content p {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.zigzag-content .feature-list { margin-top: var(--space-md); }
.zigzag-content .feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: var(--text-base);
}
.zigzag-content .feature-list i {
  color: var(--primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .zigzag-block { grid-template-columns: 55fr 45fr; }
  .zigzag-block--reverse { grid-template-columns: 45fr 55fr; }
  .zigzag-block--reverse .zigzag-media { order: 2; }
  .zigzag-block--reverse .zigzag-content { order: 1; }
}

/* --- Banner Section --- */
.banner-visual {
  width: 100%;
  aspect-ratio: 21 / 9;
  min-height: 300px;
  background-size: cover;
  background-position: center;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.hb-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.82) 0%,
    rgba(0,0,0,0.55) 45%,
    rgba(0,0,0,0.1) 100%
  );
}

.hb-overlay .hb-headline {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: var(--space-xl);
  max-width: 18ch;
}

@media (min-width: 768px) {
  .hb-overlay { padding: var(--space-4xl) var(--space-3xl); }
}

/* --- Services Full-Bleed Panels --- */
.services-full {
  /* sin padding — cada panel define el suyo */
}

.service-panel {
  display: grid;
  grid-template-columns: 1fr;
}

.service-panel-img {
  overflow: hidden;
  min-height: 280px;
}

.service-panel-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  transition: filter var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

.service-panel:hover .service-panel-img img {
  filter: grayscale(0%);
  transform: scale(1.04);
}

.service-panel-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-3xl) var(--space-2xl);
}

.service-panel-content--light {
  background: var(--bg-light);
}

.service-panel-content--dark {
  background: var(--bg-dark);
}

.sp-overline {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-md);
}

.service-panel-content h3 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.service-panel-content--light h3 { color: var(--text-on-light); }
.service-panel-content--dark h3  { color: var(--text); }

.service-panel-content p {
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-xl);
  max-width: 42ch;
}

.service-panel-content--light p { color: var(--text-on-light-secondary); }
.service-panel-content--dark p  { color: var(--text-secondary); }

.sp-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.sp-list li {
  font-size: var(--text-sm);
  font-weight: 600;
  padding-left: var(--space-lg);
  position: relative;
}

.sp-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.service-panel-content--light .sp-list li { color: var(--text-on-light-secondary); }
.service-panel-content--dark .sp-list li  { color: var(--text-secondary); }

.sp-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 3px;
  width: fit-content;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.sp-link:hover { opacity: 0.65; }

/* hb-overlay también usa sp-link y sp-overline */
.hb-overlay .sp-overline { margin-bottom: var(--space-sm); }
.hb-overlay .sp-link { color: #ffffff; border-color: rgba(255,255,255,0.6); }
.hb-overlay .sp-link:hover { opacity: 0.75; }

@media (min-width: 1024px) {
  .service-panel {
    grid-template-columns: 55fr 45fr;
    min-height: 560px;
  }

  .service-panel--reverse {
    grid-template-columns: 45fr 55fr;
  }

  .service-panel--reverse .service-panel-img   { order: 2; }
  .service-panel--reverse .service-panel-content { order: 1; }

  /* Texto derecha: padding interno derecho respeta container */
  .service-panel:not(.service-panel--reverse) .service-panel-content {
    padding: var(--space-4xl) max(var(--space-2xl), calc((100vw - var(--container)) / 2 + var(--space-lg))) var(--space-4xl) var(--space-3xl);
  }

  /* Texto izquierda: padding interno izquierdo respeta container */
  .service-panel--reverse .service-panel-content {
    padding: var(--space-4xl) var(--space-3xl) var(--space-4xl) max(var(--space-2xl), calc((100vw - var(--container)) / 2 + var(--space-lg)));
  }
}

/* --- Project Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  aspect-ratio: 16 / 9;
  cursor: pointer;
}

.project-card-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: grayscale(60%);
  transform: scale(1.02);
  transition: transform var(--dur-slow) var(--ease-out),
              filter var(--dur-slow) var(--ease-out);
}

.project-card:hover .project-card-img {
  transform: scale(1.07);
  filter: grayscale(0%);
}

.project-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2xl) var(--space-xl) var(--space-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
  transform: translateY(8px);
  transition: transform var(--dur-normal) var(--ease-out);
}

.project-card:hover .project-card-overlay { transform: translateY(0); }

.project-card-overlay h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.project-card-overlay p {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

@media (min-width: 768px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card { aspect-ratio: 4 / 3; }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: 3fr 2fr;
    grid-template-rows: 1fr 1fr;
    height: 680px;
  }
  .project-card { aspect-ratio: auto; }
  .project-card:first-child { grid-row: 1 / 3; }
}

/* --- Region Cards (Cobertura) --- */
.region-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.region-card {
  padding: var(--space-xl);
  padding-left: var(--space-xl);
  border-left: 3px solid var(--primary);
  background: var(--bg-light);
  border-radius: 0 4px 4px 0;
}

.section--light .region-card { background: rgba(0, 0, 0, 0.02); }

.region-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.region-card p {
  font-size: var(--text-base);
  line-height: 1.6;
}

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

/* --- Timeline (Proceso) --- */
.timeline {
  position: relative;
  padding-left: var(--space-3xl);
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-on-light);
}

.section--neutral .timeline::before { background: var(--border-on-light); }

.timeline-item {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-md);
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-number {
  position: absolute;
  left: calc(-1 * var(--space-3xl));
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  font-family: var(--font-display);
  z-index: 1;
}

.timeline-item h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.timeline-item p {
  font-size: var(--text-base);
  line-height: 1.6;
}

/* --- Numbered Reasons (Por Qué) --- */
.reason-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  align-items: start;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--border-on-light-subtle);
}
.reason-item:last-child { border-bottom: none; margin-bottom: 0; }

.reason-number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  min-width: 80px;
}

.reason-content h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.reason-content p {
  font-size: var(--text-base);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .reason-number { font-size: var(--text-6xl); min-width: 110px; }
}

/* --- Testimonials --- */
.testimonials-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.testimonial-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.testimonial-quote {
  position: relative;
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  padding-top: var(--space-2xl);
}

.testimonial-quote::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--primary);
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  opacity: 0.25;
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-subtle);
  flex-shrink: 0;
}

.testimonial-avatar--initials {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-subtle);
  border: 2px solid var(--primary-subtle);
  color: var(--primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--text-on-light-muted);
}

.section--neutral .testimonial-role { color: var(--text-on-light-muted); }

.testimonial-dots {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-xl);
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-on-light);
  border: none;
  cursor: pointer;
  padding: 0;
  min-height: auto;
  min-width: auto;
  transition: background var(--dur-fast) var(--ease-out);
}

.testimonial-dot.active { background: var(--primary); }

/* --- Form --- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.form-group { position: relative; }

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.section--dark .form-group label { color: var(--text-secondary); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}

.form-group select { cursor: pointer; }

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.field-error {
  font-size: var(--text-xs);
  color: var(--error);
  margin-top: var(--space-xs);
  display: block;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--error);
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.form-success i {
  width: 56px;
  height: 56px;
  color: var(--success);
}

.form-success p {
  font-size: var(--text-lg);
  max-width: 40ch;
}

.form-error-msg {
  font-size: var(--text-sm);
  color: var(--error);
  margin-top: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .form-grid--2col { grid-template-columns: 1fr 1fr; }
  .form-grid--2col .form-group--full { grid-column: 1 / -1; }
}

/* --- CTA Section (Contact Split) --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
}

.contact-cta h2 {
  margin-bottom: var(--space-md);
}

.contact-cta p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.contact-info-list { margin-top: var(--space-2xl); }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info-item i {
  width: 22px;
  height: 22px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item span {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

/* --- Statement Section (Fase 2) --- */
.statement-section {
  background: var(--primary);
  padding: var(--space-2xl) 0;
  overflow: hidden;
  position: relative;
}

.statement-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.statement-text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 4.5rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto var(--space-xl);
}

.statement-text em {
  font-style: normal;
  opacity: 0.55;
}

.statement-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 2px solid rgba(255,255,255,0.5);
  padding-bottom: 4px;
  transition: border-color var(--dur-fast) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}

.statement-cta:hover {
  border-color: #ffffff;
  opacity: 0.85;
}

/* --- Ghost text (Fase 2) --- */
.ghost-text {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(5rem, 18vw, 16rem);
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.ghost-text--light {
  color: rgb(0, 0, 0, 0.08);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ghost-text--dark {
  color: rgba(255,255,255,0.04);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* --- Vertical label (Fase 2) --- */
.vertical-label {
  position: absolute;
  top: 50%;
  right: var(--space-md);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center center;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.18);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

@media (max-width: 767px) {
  .vertical-label { display: none; }
  .ghost-text { font-size: clamp(4rem, 22vw, 8rem); }
}