/* =========================================================
   3G Consultoría — estilos
   Mobile-first. Breakpoints principales en 768px y 1100px.
   ========================================================= */

:root {
  --bg-dark: #2C2C2A;
  --coral: #D85A30;
  --petroleo: #215C60;
  --dorado: #BA7517;
  --promo: #FF2D6B;
  --promo-dark: #C4124A;
  --text-primary: #F5F5F3;
  --text-secondary: #A8A7A3;
  --card-bg: #F5F5F3;
  --step-bg: #3A3A37;

  --radius-lg: 28px;
  --radius-md: 20px;

  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

h1, h2, h3 {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

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

section {
  position: relative;
}

#hero,
#packs-promocion,
#quienes-somos,
#servicios,
#contacto {
  scroll-margin-top: 88px;
}

/* ---------- Animaciones de scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- Formas orgánicas de fondo ---------- */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.blob--coral {
  width: 60vw;
  height: 60vw;
  max-width: 480px;
  max-height: 480px;
  top: -20%;
  left: -25%;
  background: var(--coral);
}

.blob--petroleo {
  width: 70vw;
  height: 70vw;
  max-width: 560px;
  max-height: 560px;
  bottom: -30%;
  right: -30%;
  background: var(--petroleo);
}

.blob--dorado {
  width: 45vw;
  height: 45vw;
  max-width: 360px;
  max-height: 360px;
  bottom: 10%;
  left: -20%;
  background: var(--dorado);
}

.blob--small {
  width: 50vw;
  height: 50vw;
  max-width: 400px;
  max-height: 400px;
  top: -20%;
  right: -20%;
  opacity: 0.35;
}

.blob--faint {
  opacity: 0.14;
}

/* ---------- Separador decorativo entre bloques ---------- */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  width: 56px;
  background: linear-gradient(90deg, transparent, rgba(245, 245, 243, 0.18));
}

.divider::after {
  transform: scaleX(-1);
}

.divider__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  opacity: 0.6;
}

.divider__dot--coral { background: var(--coral); }
.divider__dot--petroleo { background: var(--petroleo); }
.divider__dot--dorado { background: var(--dorado); }

.divider--light::before,
.divider--light::after {
  background: linear-gradient(90deg, transparent, rgba(44, 44, 42, 0.18));
}

/* ---------- Menú de navegación ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(44, 44, 42, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(245, 245, 243, 0.08);
}

.site-nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
}

.site-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-nav__logo img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: block;
}

.site-nav__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav__links::-webkit-scrollbar {
  display: none;
}

.site-nav__links li {
  flex: 0 0 auto;
}

.site-nav__links a {
  display: inline-block;
  padding: 6px 2px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav__links a:hover,
.site-nav__links a:focus-visible {
  color: var(--coral);
}

@media (max-width: 600px) {
  .site-nav__inner {
    padding: 10px 16px;
  }

  .site-nav__logo img {
    width: 38px;
    height: 38px;
  }

  .site-nav__links {
    gap: 14px;
  }

  .site-nav__links a {
    font-size: 0.75rem;
  }
}

/* ---------- Menú de hamburguesa (móvil) ---------- */
.site-nav__toggle {
  display: none;
}

@media (max-width: 760px) {
  .site-nav.has-toggle .site-nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    background: none;
    border: 1px solid rgba(245, 245, 243, 0.18);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
  }

  .site-nav__toggle-icon,
  .site-nav__toggle-icon::before,
  .site-nav__toggle-icon::after {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.2s ease, background 0.2s ease;
  }

  .site-nav__toggle-icon {
    position: relative;
  }

  .site-nav__toggle-icon::before,
  .site-nav__toggle-icon::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .site-nav__toggle-icon::before { top: -6px; }
  .site-nav__toggle-icon::after { top: 6px; }

  .site-nav.is-menu-open .site-nav__toggle-icon { background: transparent; }
  .site-nav.is-menu-open .site-nav__toggle-icon::before { transform: translateY(6px) rotate(45deg); }
  .site-nav.is-menu-open .site-nav__toggle-icon::after { transform: translateY(-6px) rotate(-45deg); }

  .site-nav.has-toggle .site-nav__inner {
    flex-wrap: wrap;
  }

  .site-nav.is-menu-open {
    background: var(--bg-dark);
  }

  .site-nav.has-toggle .site-nav__links {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 12px;
    overflow: visible;
  }

  .site-nav.has-toggle.is-menu-open .site-nav__links {
    display: flex;
  }

  .site-nav.has-toggle .site-nav__links a {
    display: block;
    padding: 12px 4px;
    font-size: 0.9rem;
  }

  .site-nav.has-toggle .site-nav__links > li + li {
    border-top: 1px solid rgba(245, 245, 243, 0.08);
  }

  /* «Packs» y sus tres packs siempre a la vista dentro del menú abierto */
  .site-nav.has-toggle .site-nav__item--dropdown {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.has-toggle .site-nav__caret {
    display: none;
  }

  .site-nav.has-toggle .site-nav__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    min-width: 0;
    padding: 0 0 6px 16px;
    background: none;
    border: none;
    box-shadow: none;
  }

  .site-nav.has-toggle .site-nav__submenu a {
    padding: 9px 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
  }
}

/* ---------- Desplegable "Packs" en el nav ---------- */
.site-nav__item--dropdown {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__caret {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 6px 2px;
  color: inherit;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
}

.site-nav__caret:hover,
.site-nav__caret:focus-visible {
  color: var(--coral);
}

.site-nav__item--dropdown.is-open .site-nav__caret {
  transform: rotate(180deg);
}

.site-nav__submenu {
  list-style: none;
  margin: 0;
  padding: 8px;
  position: fixed;
  top: 0;
  left: 0;
  min-width: 150px;
  background: var(--bg-dark);
  border: 1px solid rgba(245, 245, 243, 0.12);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 210;
  pointer-events: none;
}

.site-nav__item--dropdown.is-open .site-nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav__submenu a {
  display: block;
  padding: 9px 12px;
  font-size: 0.78rem;
  border-radius: 10px;
  white-space: nowrap;
}

.site-nav__submenu a:hover,
.site-nav__submenu a:focus-visible {
  background: rgba(245, 245, 243, 0.08);
  color: var(--coral);
}

/* ---------- Sub-grupo "Colombia" (acordeón dentro del desplegable) ---------- */
.site-nav__subgroup-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  color: inherit;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 9px 12px;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav__subgroup-toggle:hover,
.site-nav__subgroup-toggle:focus-visible {
  background: rgba(245, 245, 243, 0.08);
  color: var(--coral);
}

.site-nav__subgroup-caret {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.site-nav__subgroup.is-open .site-nav__subgroup-caret {
  transform: rotate(180deg);
}

.site-nav__subsubmenu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}

.site-nav__subgroup.is-open .site-nav__subsubmenu {
  max-height: 200px;
}

.site-nav__subsubmenu a {
  display: block;
  padding: 8px 12px 8px 24px;
  font-size: 0.75rem;
  border-radius: 10px;
  white-space: nowrap;
  color: var(--text-secondary);
}

.site-nav__subsubmenu a:hover,
.site-nav__subsubmenu a:focus-visible {
  background: rgba(245, 245, 243, 0.08);
  color: var(--coral);
}

/* ---------- Botón WhatsApp ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 999px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--whatsapp {
  background: #25D366;
  color: #0B3B1F;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover,
.btn--whatsapp:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
}

.btn__icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ---------- Botón flotante sticky (móvil) ---------- */
.sticky-whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #0B3B1F;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  z-index: 100;
  transition: transform 0.2s ease, opacity 0.25s ease;
}

.sticky-whatsapp:hover {
  transform: scale(1.06);
}

.sticky-whatsapp .btn__icon {
  width: 28px;
  height: 28px;
}

@media (max-width: 600px) {
  .sticky-whatsapp {
    width: 52px;
    height: 52px;
    right: 16px;
    bottom: 16px;
  }

  .sticky-whatsapp .btn__icon {
    width: 26px;
    height: 26px;
  }
}

@media (min-width: 1100px) {
  .sticky-whatsapp {
    display: none;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 70px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.hero__logo-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: 0 auto 48px auto;
}

.hero__logo-icon {
  width: 208px;
  height: auto;
}

.hero__logo-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hero__logo-3g {
  font-size: 42px;
  font-weight: 800;
  color: #F5F5F3;
  line-height: 1;
}

.hero__logo-name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 2px;
  color: #F5F5F3;
}

.hero__logo-tagline {
  font-size: 12px;
  letter-spacing: 1.5px;
  color: #A8A7A3;
}

@media (max-width: 600px) {
  .hero__logo-icon { width: 152px; }
  .hero__logo-3g { font-size: 32px; }
  .hero__logo-name { font-size: 16px; }
  .hero__logo-tagline { font-size: 10px; }
}

.hero__title {
  font-size: clamp(1.6rem, 5.5vw, 2.7rem);
  line-height: 1.15;
}

/* Segunda línea destacada bajo el titular */
.hero__pregunta {
  margin-top: -6px;
  color: var(--coral);
  font-size: clamp(1.2rem, 4.2vw, 1.75rem);
  font-weight: 800;
  line-height: 1.2;
}

.hero__subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 480px;
}

/* ============================================================
   SERVICIOS
   ============================================================ */
.services {
  padding: 90px 20px;
  overflow: hidden;
}

.services__grid {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

.card {
  background: var(--card-bg);
  color: var(--bg-dark);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border-top: 8px solid transparent;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.3);
}

.card--coral { border-top-color: var(--coral); }
.card--petroleo { border-top-color: var(--petroleo); }
.card--dorado { border-top-color: var(--dorado); }

.card__title {
  font-size: 1.4rem;
  margin-bottom: 14px;
}

.card--coral .card__title { color: var(--coral); }
.card--petroleo .card__title { color: var(--petroleo); }
.card--dorado .card__title { color: var(--dorado); }

.card__text {
  color: #4a4a47;
  font-size: 0.98rem;
}

.services__title,
.packs__title {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto 40px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  text-align: center;
}

.card {
  display: flex;
  flex-direction: column;
}

/* Servicios concretos dentro de cada departamento */
.card__services {
  list-style: none;
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(44, 44, 42, 0.12);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card__service-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.card__service-text {
  color: #4a4a47;
  font-size: 0.92rem;
}

.card__btn {
  margin-top: auto;
  align-self: flex-start;
  padding: 12px 22px;
  font-size: 0.92rem;
}

.card--petroleo .card__btn {
  color: var(--petroleo);
  margin-top: 24px;
}

/* ============================================================
   PACKS Y PROMOCIÓN
   ============================================================ */
.packs {
  padding: 20px 20px 90px;
  overflow: hidden;
}

.packs__banner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto 40px;
  background: linear-gradient(135deg, var(--promo), var(--promo-dark));
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(255, 45, 107, 0.35);
}

.packs__banner-text {
  color: #FFFFFF;
  font-size: clamp(1rem, 2.6vw, 1.25rem);
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.4;
}

.packs__banner-emoji {
  margin-right: 4px;
}

.packs__banner-highlight {
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

/* En móvil la frase de la promoción es más larga que la pantalla: que pueda partirse */
@media (max-width: 600px) {
  .packs__banner-highlight {
    white-space: normal;
  }
}

.packs__banner-note {
  margin-top: 10px;
  color: #FFFFFF;
  opacity: 0.75;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
}

.packs__banner-financing {
  color: #FFFFFF;
  opacity: 0.95;
  font-size: clamp(1rem, 2.3vw, 1.1rem);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  margin-top: 8px;
}

.packs__grid {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

.pack-card {
  background: var(--card-bg);
  color: var(--bg-dark);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  border-top: 8px solid transparent;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pack-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.3);
}

.pack-card--impulso { border-top-color: var(--coral); }
.pack-card--avanza { border-top-color: var(--petroleo); }
.pack-card--elite { border-top-color: var(--dorado); }

.pack-card__name {
  font-size: 1.3rem;
}

.pack-card--impulso .pack-card__name { color: var(--coral); }
.pack-card--avanza .pack-card__name { color: var(--petroleo); }
.pack-card--elite .pack-card__name { color: var(--dorado); }

.pack-card__price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.pack-card__price-old {
  font-size: 1rem;
  color: #8a8a86;
  text-decoration: line-through;
}

.pack-card__price-new {
  font-size: 1.8rem;
  font-weight: 800;
}

.pack-card--impulso .pack-card__price-new { color: var(--coral); }
.pack-card--avanza .pack-card__price-new { color: var(--petroleo); }
.pack-card--elite .pack-card__price-new { color: var(--dorado); }

/* «+ IVA»: pegado al precio, más pequeño y suave para que destaque el precio */
.precio-iva {
  font-size: 0.42em;
  font-weight: 600;
  opacity: 0.7;
  white-space: nowrap;
  letter-spacing: 0;
}

.plan-card__monthly .precio-iva,
.plan-banner__financing .precio-iva,
.packs__banner-financing .precio-iva {
  font-size: 0.85em;
}

.pack-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.pack-card__list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: #4a4a47;
  text-transform: none;
  font-weight: 400;
}

.pack-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
}

.pack-card--impulso .pack-card__list li::before { color: var(--coral); }
.pack-card--avanza .pack-card__list li::before { color: var(--petroleo); }
.pack-card--elite .pack-card__list li::before { color: var(--dorado); }

.pack-card__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

/* Fila de botones en horizontal solo cuando hay sitio real: por debajo
   de 768px la tarjeta ocupa todo el ancho (1 columna), y desde 992px
   el grid de 3 columnas ya deja tarjetas suficientemente anchas. Entre
   768-991px las tarjetas son de ~230px (grid a 3 columnas todavía
   estrecho) y dos botones en fila se cortaban o partían el texto. */
@media (min-width: 480px) and (max-width: 767px) {
  .pack-card__actions {
    flex-direction: row;
  }
}

@media (min-width: 992px) {
  .pack-card__actions {
    flex-direction: row;
  }
}

.pack-card__actions .btn {
  flex: 1;
  padding: 14px 18px;
  font-size: 0.92rem;
}

.btn--outline {
  background: transparent;
  border: 2px solid currentColor;
}

.pack-card--impulso .btn--outline { color: var(--coral); }
.pack-card--avanza .btn--outline { color: var(--petroleo); }
.pack-card--elite .btn--outline { color: var(--dorado); }

.btn--outline:hover,
.btn--outline:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn--whatsapp-sm {
  background: #25D366;
  color: #0B3B1F;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp-sm:hover,
.btn--whatsapp-sm:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.4);
}

/* ---------- Cabecera de la página dedicada de Packs ---------- */
.packs-hero {
  padding: 130px 20px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.packs-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.packs-hero__title {
  font-size: clamp(2rem, 6vw, 3rem);
}

.packs-hero__subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  max-width: 520px;
}

.back-link {
  display: inline-block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--text-primary);
}

/* ============================================================
   PROYECTOS
   ============================================================ */
.projects {
  padding: 20px 20px 90px;
  overflow: hidden;
}

.projects__grid {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.project-card {
  background: var(--card-bg);
  color: var(--bg-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border-top: 8px solid transparent;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.3);
}

.project-card--coral { border-top-color: var(--coral); }
.project-card--petroleo { border-top-color: var(--petroleo); }
.project-card--dorado { border-top-color: var(--dorado); }

.project-card__image {
  background: var(--bg-dark);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover .project-card__image img {
  transform: scale(1.04);
}

.project-card__body {
  padding: 28px 26px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.project-card__name {
  font-size: 1.3rem;
}

.project-card--coral .project-card__name { color: var(--coral); }
.project-card--petroleo .project-card__name { color: var(--petroleo); }
.project-card--dorado .project-card__name { color: var(--dorado); }

.project-card__badge {
  display: inline-block;
  align-self: flex-start;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 999px;
}

.project-card--coral .project-card__badge { background: var(--coral); }
.project-card--petroleo .project-card__badge { background: var(--petroleo); }
.project-card--dorado .project-card__badge { background: var(--dorado); }

.project-card__text {
  color: #4a4a47;
  font-size: 0.98rem;
  text-transform: none;
  font-weight: 400;
  flex: 1;
}

.project-card__cta {
  align-self: flex-start;
  margin-top: 6px;
  padding: 13px 26px;
  font-size: 0.92rem;
}

.project-card--coral .btn--outline { color: var(--coral); }
.project-card--petroleo .btn--outline { color: var(--petroleo); }
.project-card--dorado .btn--outline { color: var(--dorado); }

/* ---------- Detalle ampliado de cada pack ---------- */
.packs__details {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.packs__details-title {
  text-align: center;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  margin-bottom: 8px;
  color: var(--text-primary);
}

.pack-detail {
  scroll-margin-top: 88px;
}

.pack-detail__inner {
  max-width: 760px;
  margin: 0 auto;
  background: var(--step-bg);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 2px solid transparent;
}

@media (min-width: 768px) {
  .pack-detail__inner {
    padding: 44px 44px;
  }
}

.pack-detail--impulso .pack-detail__inner { border-color: var(--coral); }
.pack-detail--avanza .pack-detail__inner { border-color: var(--petroleo); }
.pack-detail--elite .pack-detail__inner { border-color: var(--dorado); }

.pack-detail__title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-bottom: 16px;
}

.pack-detail--impulso .pack-detail__title { color: var(--coral); }
.pack-detail--avanza .pack-detail__title { color: var(--petroleo); }
.pack-detail--elite .pack-detail__title { color: var(--dorado); }

.pack-detail__price {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.pack-detail__price-old {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-decoration: line-through;
}

.pack-detail__price-new {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.pack-detail__price-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: none;
  font-weight: 400;
  flex-basis: 100%;
}

.pack-detail__intro {
  color: var(--text-secondary);
  font-size: 1.02rem;
  text-transform: none;
  font-weight: 400;
  margin-bottom: 28px;
}

.pack-detail__list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pack-detail__list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-primary);
  font-size: 0.98rem;
}

.pack-detail__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
}

.pack-detail--impulso .pack-detail__list li::before { color: var(--coral); }
.pack-detail--avanza .pack-detail__list li::before { color: var(--petroleo); }
.pack-detail--elite .pack-detail__list li::before { color: var(--dorado); }

/* ============================================================
   CÓMO TRABAJAMOS
   ============================================================ */
.process {
  padding: 90px 20px;
  background-color: var(--bg-dark);
  background-image: radial-gradient(rgba(245, 245, 243, 0.07) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

.process__title {
  max-width: 1100px;
  margin: 0 auto 40px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  text-align: center;
}

.process__track {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.process__line {
  position: absolute;
  z-index: 0;
  background: rgba(255, 255, 255, 0.15);
  top: 0;
  bottom: 0;
  left: 50px;
  width: 2px;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .process__track {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__line {
    display: none;
  }
}

@media (min-width: 1024px) {
  .process__track {
    grid-template-columns: repeat(4, 1fr);
  }

  .process__line {
    top: 60px;
    bottom: auto;
    left: 0;
    right: 0;
    width: auto;
    height: 2px;
  }
}

.step {
  position: relative;
  z-index: 1;
  background: var(--step-bg);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 2px solid transparent;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.step:hover {
  transform: translateY(-6px);
}

.step--coral { border-color: var(--coral); }
.step--petroleo { border-color: var(--petroleo); }
.step--dorado { border-color: var(--dorado); }

.step__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--step-bg);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.step--coral .step__circle { border-color: var(--coral); color: var(--coral); }
.step--petroleo .step__circle { border-color: var(--petroleo); color: var(--petroleo); }
.step--dorado .step__circle { border-color: var(--dorado); color: var(--dorado); }

.step__title {
  font-size: 1.3rem;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.step__text {
  color: var(--text-secondary);
  font-size: 0.98rem;
}

/* ============================================================
   QUIÉNES SOMOS
   ============================================================ */
.about {
  padding: 90px 20px;
}

.about__inner {
  max-width: 1100px;
  margin: 0 auto;
  color: var(--bg-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

@media (min-width: 900px) {
  .about__inner {
    flex-direction: row;
    align-items: stretch;
  }
}

.about__image-box {
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  min-height: 320px;
  box-sizing: border-box;
}

@media (min-width: 900px) {
  .about__image-box {
    flex: 0 0 45%;
  }
}

.about__image-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.about__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 40px 28px;
}

@media (min-width: 900px) {
  .about__copy {
    flex: 0 0 55%;
    padding: 48px 40px;
  }
}

.about__title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.25;
  color: var(--bg-dark);
}

.about__title-white {
  color: var(--bg-dark);
  opacity: 0.55;
}

.about__title-accent {
  color: var(--coral);
}

.about__text {
  color: #4a4a47;
  font-size: 1.05rem;
  text-transform: none;
  font-weight: 400;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final {
  padding: 100px 20px;
  text-align: center;
  overflow: hidden;
}

.cta-final__title {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.cta-final .btn {
  position: relative;
  z-index: 1;
}

/* Contacto: tres tarjetas enteras clicables, una por color de la marca */
.contacto__intro {
  position: relative;
  z-index: 1;
  margin: -16px auto 36px;
  color: var(--text-secondary);
}

.contacto {
  --acento: var(--coral);
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  text-align: left;
}

.contacto__opcion--coral { --acento: #E8714A; --relleno: var(--coral); }
.contacto__opcion--petroleo { --acento: #2FA8A3; --relleno: var(--petroleo); }
.contacto__opcion--dorado { --acento: #D99A3A; --relleno: var(--dorado); }

.contacto__opcion {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--step-bg);
  border: 1px solid rgba(245, 245, 243, 0.08);
  color: var(--text-primary);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.contacto__opcion:hover,
.contacto__opcion:focus-visible {
  transform: translateY(-4px);
  border-color: var(--acento);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.contacto__opcion:focus-visible {
  outline: 3px solid var(--acento);
  outline-offset: 3px;
}

.contacto__icono {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--relleno);
  color: #fff;
}

.contacto__icono svg {
  width: 28px;
  height: 28px;
}

.contacto__opcion--coral .contacto__icono svg {
  fill: currentColor;
}

.contacto__texto {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contacto__titulo {
  font-size: 1.05rem;
  font-weight: 700;
}

.contacto__detalle {
  color: var(--text-secondary);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

/* Móviles muy estrechos: tarjetas más compactas y sin la flecha (toda la tarjeta es el enlace) */
@media (max-width: 360px) {
  .contacto__opcion {
    padding: 16px;
    gap: 12px;
  }

  .contacto__icono {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }

  .contacto__icono svg {
    width: 22px;
    height: 22px;
  }

  .contacto__flecha {
    display: none;
  }
}

.contacto__flecha {
  flex-shrink: 0;
  color: var(--acento);
  font-size: 1.4rem;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.contacto__opcion:hover .contacto__flecha,
.contacto__opcion:focus-visible .contacto__flecha {
  transform: translateX(4px);
}

@media (min-width: 900px) {
  .contacto {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .contacto__opcion {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 28px 24px;
  }

  .contacto__titulo {
    font-size: 1.15rem;
  }

  .contacto__flecha {
    margin-top: auto;
  }
}

/* Email del pie */
.footer__email a {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer__email {
  font-size: 0.9rem;
}

/* Tablet: una columna centrada en vez de tres columnas estrechas */
@media (min-width: 768px) and (max-width: 1023px) {
  .services__grid,
  .packs__grid {
    max-width: 640px;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px 20px 100px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  border-top: 1px solid rgba(245, 245, 243, 0.1);
}

.footer__logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-bottom: 6px;
}

.footer__social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.footer__handle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer__handle a {
  display: inline-flex;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.footer__handle a:hover {
  color: var(--coral, #D85A30);
}

.footer__ig-icon {
  width: 20px;
  height: 20px;
}

.footer__tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__legal {
  color: var(--text-secondary);
  opacity: 0.65;
  font-size: 0.72rem;
  text-transform: none;
  font-weight: 400;
  margin-top: 6px;
  max-width: 420px;
}

@media (min-width: 1100px) {
  .footer {
    padding-bottom: 48px;
  }
}