/* ============ TOKENS ============ */
:root {
  --color-title: #0F172A;      /* Títulos principales */
  --color-body: #475569;       /* Texto de cuerpo */
  --color-divider: #CBD5E1;    /* Líneas de división */
  --color-block-bg: #F1F5F9;   /* Fondos de bloques */
  --color-bg: #FFFFFF;         /* Fondo principal */

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --nav-height: 76px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--color-body);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ============ NAVBAR ============ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}

.nav-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--color-title);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-body);
  padding: 10px 16px;
  border-radius: 8px;
  transition: color var(--transition);
}

/* Subrayado animado que se desliza desde la izquierda */
.nav-link::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 6px;
  height: 2px;
  background: var(--color-title);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-title);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--color-title);
  font-weight: 600;
}

.nav-link.active::after {
  transform: scaleX(1);
}

/* El botón "Comprar" no lleva subrayado: tiene su propia animación */
.nav-cta {
  background: var(--color-title);
  color: #FFFFFF;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  margin-left: 8px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.nav-cta::after { display: none; }

.nav-cta:hover,
.nav-cta:focus-visible {
  color: #FFFFFF;
  background: #1E293B;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.25);
}

/* ============ AUTH ICON ============ */
.auth-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-left: 12px;
  border-radius: 50%;
  border: 1.5px solid var(--color-divider);
  background: var(--color-block-bg);
  color: var(--color-body);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.auth-icon:hover,
.auth-icon:focus-visible {
  border-color: var(--color-title);
  transform: translateY(-2px);
}

.auth-icon-avatar {
  display: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  color: #FFFFFF;
}

.auth-status-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-divider);
  border: 2px solid #FFFFFF;
  transition: background var(--transition);
}

/* Estado logueado (demo): fondo oscuro con iniciales + punto activo */
.auth-icon.logged-in {
  background: var(--color-title);
  border-color: var(--color-title);
}

.auth-icon.logged-in .auth-icon-guest { display: none; }
.auth-icon.logged-in .auth-icon-avatar { display: block; }
.auth-icon.logged-in .auth-status-dot { background: #16A34A; }

/* Botón hamburguesa (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-title);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg);
}

/* Firma visual: grid de puntos interactivo (dibujado en JS sobre canvas) */
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  text-align: center;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-body);
  background: var(--color-block-bg);
  border: 1px solid var(--color-divider);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-title);
  margin-bottom: 20px;
}

.hero-title .highlight {
  position: relative;
  white-space: nowrap;
}

.hero-title .highlight::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 0.32em;
  background: var(--color-block-bg);
  border: 1px solid var(--color-divider);
  z-index: -1;
  border-radius: 3px;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-body);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.cta-button-ghost {
  display: inline-block;
  background: transparent;
  color: var(--color-title);
  border: 1.5px solid var(--color-divider);
  padding: 14.5px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.cta-button-ghost:hover,
.cta-button-ghost:focus-visible {
  border-color: var(--color-title);
  background: var(--color-block-bg);
  transform: translateY(-2px);
}

/* ============ PRODUCTOS (página propia) ============ */
.products-section {
  padding: 152px 24px 96px;
}

.products-header {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.products-header .hero-title {
  margin-bottom: 16px;
}

/* ============ PRODUCT CARDS ============ */
.products-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 64px auto 0;
  padding: 0 24px 96px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: 14px;
  padding: 28px 22px;
  text-align: left;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card:hover,
.product-card:focus-visible {
  transform: translateY(-6px);
  border-color: var(--color-title);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
}

.product-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  border-radius: 10px;
  background: var(--color-block-bg);
  color: var(--color-title);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  transition: background var(--transition), color var(--transition);
}

.product-card:hover .product-icon {
  background: var(--color-title);
  color: #FFFFFF;
}

.product-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-title);
  margin-bottom: 8px;
}

.product-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-body);
  margin-bottom: 18px;
}

.product-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-title);
  margin-bottom: 16px;
}

.product-buy {
  width: 100%;
  cursor: pointer;
}

.product-buy:disabled {
  opacity: 0.6;
  cursor: default;
}

.products-status {
  text-align: center;
  color: var(--color-body);
  padding: 48px 24px;
}

/* ============ MIS COMPRAS (cuenta.html) ============ */
.orders-card {
  max-width: 560px;
  margin-top: 24px;
}

.orders-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.order-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--color-divider);
  border-radius: 10px;
  flex-wrap: wrap;
}

.order-item-name {
  font-weight: 600;
  color: var(--color-title);
}

.order-item-amount {
  color: var(--color-body);
}

.order-item-status {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-block-bg);
  color: var(--color-body);
}

.order-status-approved {
  background: #DCFCE7;
  color: #15803D;
}

.order-status-rejected,
.order-status-cancelled {
  background: #FEE2E2;
  color: #B91C1C;
}

.order-status-pending,
.order-status-in_process {
  background: #FEF3C7;
  color: #B45309;
}

/* ============ GROWTH SECTION ============ */
.growth-section {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 96px 24px;
  background-image: url('img/impulsa-tu-crecimiento.png');
  background-size: cover;
  background-position: center;
  border-top: 1px solid var(--color-divider);
}

.growth-overlay {
  position: relative;
  max-width: 620px;
  text-align: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(2px);
  border: 1px solid var(--color-divider);
  border-radius: 16px;
  padding: 48px 40px;
}

.growth-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--color-title);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.growth-text {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-body);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .products-grid { grid-template-columns: 1fr; }
  .growth-overlay { padding: 32px 24px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: 12px 24px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link { padding: 12px 16px; }
  .nav-cta { margin-left: 0; text-align: center; }
}

/* Respeta preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ============ HOW IT WORKS / FAQ SECTION ============ */
.how-section {
  padding: 64px 24px 96px;
}

.how-container {
  max-width: 800px;
  margin: 0 auto;
}

.how-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-title);
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

/* Pasos (Timeline) */
.steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 80px;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px;
  background: var(--color-block-bg);
  border: 1px solid var(--color-divider);
  border-radius: 12px;
}

.step-marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-title);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  flex-shrink: 0;
}

.step-time {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-body);
  display: block;
  margin-bottom: 4px;
}

.step-content h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-title);
  margin-bottom: 8px;
}

.step-content p {
  line-height: 1.6;
}

/* FAQ */
.faq-heading {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-title);
  margin-bottom: 24px;
  text-align: center;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

.faq-item {
  border: 1px solid var(--color-divider);
  border-radius: 10px;
  padding: 16px 20px;
  background: var(--color-bg);
}

.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-title);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-answer {
  margin-top: 12px;
  line-height: 1.5;
  color: var(--color-body);
}

/* CTA */
.how-cta {
  text-align: center;
}

.cta-button-lg {
  display: inline-block;
  background: var(--color-title);
  color: #FFFFFF;
  border: none;
  padding: 16px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition);
}

.cta-button-lg:hover {
  background: #1E293B;
  transform: translateY(-2px);
}



/* ============ ABOUT / NOSOTROS SECTION ============ */
.about-section {
  position: relative;
  padding: 96px 24px;
  background: var(--color-block-bg); /* Fondo sutilmente distinto para separar del Hero */
  border-top: 1px solid var(--color-divider);
}

.about-container {
  max-width: 900px;
  margin: 0 auto;
}

.about-header {
  text-align: center;
  margin-bottom: 56px;
}

.about-header .eyebrow {
  background: var(--color-bg); /* Para contrastar sobre el fondo block-bg */
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-title);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.about-description {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-body);
  max-width: 740px;
  margin: 0 auto 16px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: 14px;
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.about-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-title);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.about-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: var(--color-block-bg);
  color: var(--color-title);
  transition: background var(--transition), color var(--transition);
}

.about-card:hover .about-icon {
  background: var(--color-title);
  color: #FFFFFF;
}

.about-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-title);
  margin-bottom: 12px;
}

.about-card-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-body);
}

/* ============ AUTH (login / registro / cuenta) ============ */
.auth-section {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: 16px;
  padding: 40px 36px;
}

.auth-card .eyebrow {
  margin-bottom: 16px;
}

.auth-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--color-title);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-title);
}

.form-field input {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 14px;
  border: 1.5px solid var(--color-divider);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-title);
  transition: border-color var(--transition);
}

.form-field input:focus {
  outline: none;
  border-color: var(--color-title);
}

.auth-submit {
  width: 100%;
  text-align: center;
  margin-top: 8px;
  cursor: pointer;
}

.auth-error {
  display: none;
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #B91C1C;
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
}

.auth-error.visible {
  display: block;
}

.auth-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.9rem;
}

.auth-footer a {
  color: var(--color-title);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Responsive para "Nosotros" */
@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .about-section {
    padding: 64px 24px;
  }
}