/* ============================================================
   SECTIONS — Estilos específicos de cada sección
   ============================================================ */


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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #134429 0%, #1a5c3a 45%, #0d3d5c 100%);
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero .container {
  position: relative;
  z-index: 2;
  padding-block: var(--space-20);
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: var(--font-extrabold);
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: var(--space-6);
}

.hero-title--highlight {
  color: var(--color-accent);
  display: inline-block;
  position: relative;
}

.hero-desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.85);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  max-width: 600px;
}

.hero-desc strong {
  color: var(--color-white);
  font-weight: var(--font-semibold);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255,255,255,0.15);
}

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

.hero-stat strong {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-accent);
  line-height: 1;
}

.hero-stat span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.85);
  max-width: 150px;
  line-height: var(--leading-normal);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}

/* Decoración hero */
.hero-decoration {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  background: var(--color-white);
}

.hero-circle--1 {
  width: 500px;
  height: 500px;
  right: -100px;
  top: -200px;
}

.hero-circle--2 {
  width: 300px;
  height: 300px;
  right: 50px;
  top: 100px;
}

.hero-qr-mock {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  width: 220px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.qr-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  font-weight: var(--font-semibold);
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: var(--space-4);
  aspect-ratio: 1;
}

.qr-block {
  border-radius: 4px;
  background: rgba(255,255,255,0.12);
  aspect-ratio: 1;
}

.qr-block--data {
  background: rgba(255,255,255,0.55);
}

.qr-block--center {
  background: var(--color-accent);
  border-radius: 6px;
}

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

.qr-info span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.75);
  text-align: left;
}


/* ============================================================
   QUÉ ES
   ============================================================ */

.section-header {
  margin-bottom: var(--space-16);
}

.que-es-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  margin-bottom: var(--space-16);
}

.que-es-text h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
  color: var(--color-text-primary);
}

.que-es-text p {
  margin-bottom: var(--space-5);
}

.que-es-text .checklist {
  margin-top: var(--space-8);
}

/* Cronograma card */
.cronograma-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.cronograma-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-surface);
}

.cronograma-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cronograma-item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-5) 0;
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-5);
  position: relative;
}

.cronograma-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: var(--space-5);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  flex-shrink: 0;
}

.cronograma-item--done::before {
  background: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.cronograma-item--active {
  border-left-color: var(--color-primary);
}

.cronograma-item--active::before {
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,92,58,0.2);
}

.cronograma-item--milestone {
  border-left-color: var(--color-accent);
}

.cronograma-item--milestone::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232,160,32,0.2);
}

.cronograma-year {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  min-width: 52px;
  padding-top: 1px;
  flex-shrink: 0;
}

.cronograma-item--milestone .cronograma-year {
  color: var(--color-accent-dark);
}

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

.cronograma-desc strong {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.cronograma-desc span {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* Cards de info del DPP */
.info-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.info-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.info-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(26,92,58,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.info-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  stroke: var(--color-primary);
}

.info-card__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.info-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Estadísticas */
.stats-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-10) var(--space-12);
  box-shadow: var(--shadow-sm);
}

.stats-intro {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  font-size: var(--text-base);
}

.stats-intro strong {
  color: var(--color-text-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  text-align: center;
  position: relative;
}

.stats-grid::before,
.stats-grid::after {
  content: '';
  position: absolute;
  top: 20%;
  width: 1px;
  height: 60%;
  background: var(--color-border);
}

.stats-grid::before { left: 33.33%; }
.stats-grid::after  { left: 66.66%; }


/* ============================================================
   BENEFICIOS — TABS
   ============================================================ */

.beneficios-tabs {
  margin-top: var(--space-10);
}

.tabs-header {
  display: flex;
  gap: var(--space-3);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-10);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-header::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn--active,
.tab-btn[aria-selected="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel {
  display: none;
}

.tab-panel--active,
.tab-panel[aria-hidden="false"] {
  display: block;
  animation: tabFadeIn 0.3s ease;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tab-panel-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  align-items: start;
}

.tab-text h3 {
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.tab-text p {
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
}

.tab-visual {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-shrink: 0;
  text-align: center;
  padding: var(--space-6);
}

.tab-visual--marcas {
  background: linear-gradient(135deg, rgba(26,92,58,0.08), rgba(26,92,58,0.15));
  border: 2px solid rgba(26,92,58,0.2);
}

.tab-visual--fabricantes {
  background: linear-gradient(135deg, rgba(13,61,92,0.08), rgba(13,61,92,0.15));
  border: 2px solid rgba(13,61,92,0.2);
}

.tab-visual--medioambiente {
  background: linear-gradient(135deg, rgba(34,197,94,0.08), rgba(26,92,58,0.12));
  border: 2px solid rgba(34,197,94,0.2);
}

.visual-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
  stroke: var(--color-white);
}

.tab-visual--fabricantes .visual-icon {
  background: var(--color-secondary);
}

.tab-visual--medioambiente .visual-icon {
  background: var(--color-primary-light);
}

.tab-visual p {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  text-align: center;
  margin: 0;
}


/* ============================================================
   CONTACTO
   ============================================================ */

.contacto-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #1e6b44 100%);
  position: relative;
  overflow: hidden;
}

.contacto-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.contacto-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}

.contacto-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-16);
  align-items: start;
  position: relative;
  z-index: 1;
}

.contacto-text h2 {
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.contacto-desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.82);
  line-height: var(--leading-relaxed);
}

.contacto-desc strong {
  color: var(--color-white);
}

/* Tarjeta CTA de contacto */
.contacto-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.contacto-urgency {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-accent-dark);
  background: rgba(232,160,32,0.1);
  border: 1px solid rgba(232,160,32,0.3);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-6);
  width: fit-content;
}

.contacto-urgency svg {
  color: var(--color-accent-dark);
  flex-shrink: 0;
}

.contacto-card__title {
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.contacto-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.contacto-email-btn {
  width: 100%;
  justify-content: center;
  word-break: break-all;
  font-size: var(--text-base);
}

.contacto-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: var(--space-5);
  line-height: var(--leading-relaxed);
}


/* ============================================================
   FAQ
   ============================================================ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-12);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question[aria-expanded="true"] {
  color: var(--color-primary);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-text-secondary);
  transition: transform var(--transition-normal), color var(--transition-fast);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  overflow: hidden;
}

.faq-answer[hidden] {
  display: none;
}

.faq-answer p {
  padding-bottom: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.faq-answer p strong {
  color: var(--color-text-primary);
}

.faq-cta {
  padding-top: var(--space-6);
}

.faq-cta p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}