/* ==========================================================================
   TelecoSMS — styles.css (réplica de telecosms.com)
   Tokens extraídos del kit Elementor del sitio original:
   Azul #008ACB · hover #006C9F · texto #4C4C4C · títulos #000
   Fondos #F7F7F7 · panel/footer oscuro #383838 · contenedor 1140px
   Montserrat (headings/UI) · Roboto Mono (listas casos de uso)
   ========================================================================== */

/* ---------- Custom properties ---------- */
:root {
  --color-primary: #008ACB;
  --color-primary-dark: #006C9F;
  --color-text: #4C4C4C;
  --color-heading: #000000;
  --color-white: #FFFFFF;
  --color-gray-bg: #F7F7F7;
  --color-dark: #383838;
  --color-dark-deep: #2B2B2B;
  --color-border: #E8E8E8;

  --font-base: 'Montserrat', system-ui, sans-serif;
  --font-mono: 'Roboto Mono', monospace;

  --fs-h1: clamp(2rem, 3.2vw + 0.8rem, 2.8rem);        /* 45px */
  --fs-hero-sub: clamp(1.4rem, 2.2vw + 0.5rem, 2.05rem); /* 33px */
  --fs-h2: clamp(1.6rem, 2.4vw + 0.6rem, 2.45rem);      /* 39px */
  --fs-body: 1.0625rem;                                  /* 17px */

  --radius: 30px;
  --radius-panel: 60px;
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.08);
  --transition: 0.25s ease;

  --container: 1140px;
  --section-y: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- Reset básico ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }

ul { list-style: none; }

h1, h2, h3, h4 { color: var(--color-heading); line-height: 1.3; }

/* ---------- Utilidades ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 1.5rem); }
.section { padding-block: var(--section-y); }
.section__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.35;
  margin-bottom: 1.2rem;
}
.section__lead { max-width: 980px; margin: 0 auto 2.5rem; }
.section__icon { margin: 0 auto 0.8rem; width: 72px; }
.text-center { text-align: center; }
.text-justify { text-align: justify; }
.text-accent { color: var(--color-primary); }

/* ---------- Botones (réplica: pill azul, uppercase, 14px/600) ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-base);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 1em 2.1em;
  border-radius: var(--radius);
  border: 0;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover { background: var(--color-primary-dark); transform: scale(0.97); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  transition: box-shadow var(--transition);
}
.header.is-scrolled { box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 78px;
}
.header__logo img { width: 150px; height: auto; }

.nav { display: flex; align-items: center; gap: 1.2rem; }
.nav__list { display: flex; align-items: center; gap: 0.2rem; }

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-heading);
  background: none;
  border: 0;
  padding: 0.6em 0.9em;
  cursor: pointer;
  transition: color var(--transition);
}
.nav__link:hover { color: var(--color-primary); }

.nav__new {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 0.25em 0.7em;
  border-radius: 99px;
  translate: 0 -1px;
}
.nav__link.is-current { color: var(--color-primary); }

.nav__caret {
  width: 7px; height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition);
}
.nav__item--dropdown.is-open .nav__caret { transform: rotate(-135deg) translateY(-2px); }

/* Dropdowns */
.nav__item--dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  translate: -50% 8px;
  min-width: 320px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 0.6rem;
  display: grid;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), translate var(--transition), visibility var(--transition);
}
.dropdown--wide { min-width: 360px; }
.nav__item--dropdown.is-open .dropdown,
.nav__item--dropdown:hover .dropdown {
  opacity: 1; visibility: visible; translate: -50% 0;
}

.dropdown__card {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  transition: background var(--transition);
}
.dropdown__card:hover { background: var(--color-gray-bg); }
.dropdown__card img { width: 42px; height: 42px; object-fit: contain; flex-shrink: 0; }
.dropdown__card h3 { font-size: 0.98rem; font-weight: 700; margin-bottom: 0.15rem; }
.dropdown__card p { font-size: 0.85rem; color: var(--color-text); line-height: 1.5; }

/* Hamburger */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.header__toggle span {
  width: 26px; height: 3px;
  border-radius: 2px;
  background: var(--color-heading);
  transition: transform var(--transition), opacity var(--transition);
}
.header__toggle.is-active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.header__toggle.is-active span:nth-child(2) { opacity: 0; }
.header__toggle.is-active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================================
   HERO (fondo blanco, título negro 900 + subtítulo azul, réplica original)
   ========================================================================== */
.hero { background: var(--color-white); overflow: hidden; }
.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  padding-block: clamp(0.5rem, 1.6vw, 1.35rem) clamp(1rem, 2.5vw, 1.75rem);
}
.hero__kicker {
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-heading);
  margin-bottom: 0.8rem;
}
.hero__title {
  font-size: var(--fs-h1);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}
.hero__subtitle {
  font-size: var(--fs-hero-sub);
  font-weight: 500;
  text-transform: uppercase;
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.hero__lead { max-width: 540px; margin-bottom: 1.8rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__media img { margin-inline: auto; width: min(100%, 500px); }

/* ==========================================================================
   NOSOTROS — tarjeta blanca flotante con badge de ícono
   ========================================================================== */
.about { background: var(--color-gray-bg); padding-top: clamp(1.75rem, 3.5vw, 2.75rem); }
.about__card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 4rem) clamp(2rem, 5vw, 3rem);
  margin-top: 2.25rem;
}
.card-badge {
  position: absolute;
  top: -55px;
  left: 50%;
  translate: -50% 0;
  width: 110px;
  height: 110px;
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.about__text .section__title { margin-bottom: 1rem; }
.about__text p { margin-bottom: 1.8rem; }
.about__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.about__media img { margin-inline: auto; }

/* ==========================================================================
   RAZONES (3 cards blancas, título azul)
   ========================================================================== */
.reasons { background: var(--color-white); }
.reasons__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.8rem;
  margin-top: 2.5rem;
}
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2.4rem 1.8rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-6px); }
.card img { width: 90px; height: 90px; object-fit: contain; margin: 0 auto 1.2rem; }
.card h3 { font-size: 1.15rem; font-weight: 800; color: var(--color-primary); margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; line-height: 1.7; }

/* ==========================================================================
   SERVICIOS (2 cards con kicker, ícono, divisor y lista de flechas)
   ========================================================================== */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  max-width: 960px;
  margin: 3rem auto 0;
}
.service-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2.6rem 2.2rem 2.4rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-6px); }
.service-card__kicker {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: 1.4rem;
}
.service-card img { width: 110px; height: 110px; object-fit: contain; margin-bottom: 1.2rem; }
.service-card h3 {
  font-size: 1.75rem;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.25;
  margin-bottom: 1rem;
}
.service-card__divider {
  width: 64px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  margin-bottom: 1.4rem;
}
.service-card .btn { margin-top: 1.8rem; }

.arrowlist { text-align: left; display: grid; gap: 0.55rem; }
.arrowlist li {
  position: relative;
  padding-left: 2rem;
  font-size: 0.98rem;
  line-height: 1.6;
}
.arrowlist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.18em;
  width: 1.2em; height: 1.2em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

/* ==========================================================================
   SOLUCIONES — panel oscuro redondeado + tabs con lista monoespaciada
   ========================================================================== */
.solutions { background: var(--color-white); }
.solutions__panel {
  position: relative;
  background: var(--color-dark);
  border-radius: var(--radius-panel);
  text-align: center;
  color: var(--color-white);
  padding: clamp(3.5rem, 7vw, 4.5rem) clamp(1.5rem, 6vw, 6rem) clamp(2.5rem, 5vw, 3.5rem);
  margin-top: 3.5rem;
}
.solutions__panel .section__title {
  color: var(--color-white);
  text-transform: none;
  font-weight: 800;
}
.solutions__panel p { color: #EDEDED; max-width: 900px; margin-inline: auto; }

/* Tabs de texto */
.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.2rem;
  margin: 2.2rem 0 0;
}
.tabs__btn {
  font: inherit;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-heading);
  background: transparent;
  border: 0;
  padding: 0.8em 1.5em;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.tabs__btn:hover { color: var(--color-primary); }
.tabs__btn.is-active { background: var(--color-gray-bg); color: var(--color-primary); }

.tabs__panel { animation: fadeUp 0.45s ease both; }
.tabs__panel[hidden] { display: none; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Lista de casos de uso: 2 columnas (flujo vertical como el original),
   Roboto Mono, chevrones azules, divisor central vía column-rule */
.usecase-grid {
  background: var(--color-gray-bg);
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.5rem, 5vw, 4rem);
}
.usecase-grid li {
  position: relative;
  padding-left: 2.2rem;
  margin-bottom: 1.6rem;
  break-inside: avoid;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-text);
}
.usecase-grid li:last-child { margin-bottom: 0; }
.usecase-grid li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.12em;
  width: 1.2em; height: 1.2em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23008ACB' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 4l8 8-8 8M13 4l8 8-8 8'/%3E%3C/svg%3E");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

/* ==========================================================================
   PLATAFORMA
   ========================================================================== */
.platform__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.platform__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.platform__title .text-accent { font-weight: 600; }
.platform__text p { margin-bottom: 1.8rem; }
.platform__media img { margin-inline: auto; }

/* ==========================================================================
   API
   ========================================================================== */
.api__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.api__text .section__title { margin-bottom: 1rem; }
.api__text p { margin-bottom: 1.8rem; }
.api__media img { margin-inline: auto; width: min(100%, 480px); }

/* ==========================================================================
   CLIENTES — carrusel de logos a color con flechas y puntos
   ========================================================================== */
.carousel {
  position: relative;
  margin-top: 2.5rem;
  padding-inline: 3rem;
}
.carousel__viewport { overflow: hidden; }
.carousel__track {
  display: flex;
  align-items: center;
  transition: transform 0.55s ease;
}
.carousel__track img {
  flex: 0 0 20%;
  width: 20%;
  max-height: 46px;
  object-fit: contain;
  padding-inline: 1.4rem;
}
.carousel__arrow {
  position: absolute;
  top: 50%;
  translate: 0 -70%;
  background: none;
  border: 0;
  font-size: 1.6rem;
  line-height: 1;
  color: #9B9B9B;
  cursor: pointer;
  padding: 0.4rem;
  transition: color var(--transition);
}
.carousel__arrow:hover { color: var(--color-heading); }
.carousel__arrow--prev { left: 0; }
.carousel__arrow--next { right: 0; }
.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 1.6rem;
}
.carousel__dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 0;
  background: #C9C9C9;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}
.carousel__dots button.is-active { background: var(--color-primary); transform: scale(1.25); }

/* ==========================================================================
   INDUSTRIAS
   ========================================================================== */
.industries__nav { gap: 1rem; margin-bottom: 1.5rem; }
.industry-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  padding: 0.6rem 0.4rem;
  min-width: 105px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
}
.industry-btn img {
  width: 100px; height: 100px;
  object-fit: contain;
  transition: transform var(--transition), filter var(--transition);
}
.industry-btn:hover img { transform: translateY(-4px); }
.industry-btn.is-active { background: transparent; color: var(--color-primary); }
.industry-btn.is-active img { transform: scale(1.05); }

.industry-panel { text-align: center; }
.industry-panel h3 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 1.6rem;
}
.industry-panel__strip { margin-inline: auto; }
.industry-panel__square { display: none; margin-inline: auto; width: min(100%, 420px); }

/* ==========================================================================
   BLOG (listado de artículos, cuadrícula 3x3 como el original)
   ========================================================================== */
.blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}
.blog-card {
  background: var(--color-white);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover { transform: translateY(-6px); }
.blog-card a { display: block; color: inherit; }
.blog-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.blog-card__body { padding: 1.4rem 1.5rem 1.6rem; }
.blog-card h2 {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 0.9rem;
}
.blog-card__more {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text);
  transition: color var(--transition);
}
.blog-card a:hover .blog-card__more { color: var(--color-primary); }

@media (min-width: 640px) {
  .blog__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .blog__grid { grid-template-columns: 1fr 1fr 1fr; }
}

/* ==========================================================================
   FOOTER (gris oscuro #383838, réplica original)
   ========================================================================== */
.footer { background: var(--color-dark); color: #DADADA; font-size: 0.9rem; }
.footer a { color: #DADADA; transition: color var(--transition); }
.footer a:hover { color: var(--color-white); }
.footer h4 {
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.1rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}
.footer__logos { display: flex; align-items: center; gap: 1.4rem; }
.footer__brand > img:first-child { width: 150px; }
.footer__subtel { width: 78px; }
.footer__contact { margin-top: 1.4rem; display: grid; gap: 0.5rem; }
.footer__contact li { display: flex; align-items: center; gap: 0.6rem; }
.footer__contact svg { flex-shrink: 0; opacity: 0.8; }
.footer__social { display: flex; gap: 0.7rem; margin-top: 1.4rem; }
.footer__social a {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--transition), transform var(--transition);
}
.footer__social a:hover { background: var(--color-primary); transform: translateY(-3px); }
.footer__col ul { display: grid; gap: 0.55rem; }
.footer__bottom {
  background: var(--color-dark-deep);
  text-align: center;
  padding-block: 1.2rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   SCROLL REVEAL (imita fadeInUp de Elementor)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal--delay { transition-delay: 0.15s; }
.reveal--delay2 { transition-delay: 0.3s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width: 640px) {
  .usecase-grid {
    columns: 2;
    column-gap: 6rem;
    column-rule: 1px solid #D9D9D9;
  }
}

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

@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.05fr 0.95fr; }
  .about__grid { grid-template-columns: 0.95fr 1.05fr; }
  .platform__inner { grid-template-columns: 1.1fr 0.9fr; }
  .api__inner { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1.7fr 1fr 1fr 1fr; }
}

@media (max-width: 767px) {
  /* En móvil el original muestra la ilustración cuadrada, no la franja */
  .industry-panel__strip { display: none; }
  .industry-panel__square { display: block; }
  .solutions__panel { border-radius: 36px; }
  .carousel__track img { flex: 0 0 33.333%; width: 33.333%; }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 899px) {
  .header__toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 78px 0 0 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 0.5rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .nav__link { width: 100%; justify-content: space-between; font-size: 1.05rem; padding: 0.9em 1em; }
  .dropdown {
    position: static;
    translate: 0 0;
    min-width: 0;
    opacity: 1;
    visibility: hidden;
    box-shadow: none;
    border: 0;
    background: var(--color-gray-bg);
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height var(--transition), padding var(--transition), visibility var(--transition);
  }
  .nav__item--dropdown.is-open .dropdown {
    visibility: visible;
    max-height: 600px;
    padding: 0.6rem;
    translate: 0 0;
  }
  .nav__item--dropdown:hover .dropdown { translate: 0 0; }
  .nav__cta { text-align: center; margin-top: 1rem; }
}