@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@700;800;900&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

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

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

/* ============================================
   Sistema de diseño — Apex Point
   Dossier futurista: paneles diagonales duotono
   navy → celeste, tipografía display condensada
   en mayúsculas, etiquetas de expediente y un
   chevron ">" como firma visual recurrente.
   ============================================ */

:root {
  --navy-black: #060f1f;
  --navy-deep: #0b1e3d;
  --navy-medium: #1b3a6b;
  --celeste: #2ec4e0;
  --celeste-deep: #1590ac;
  --celeste-pale: #e7f4f9;
  --white: #ffffff;
  --ink: #0a0d12;
  --gray-cool: #5c6b7a;
  --gray-pale: #f4f6f8;
  --border-soft: rgba(11, 30, 61, 0.12);

  --font-display: 'Big Shoulders Display', 'IBM Plex Sans', sans-serif;
  --font-heading: var(--font-display);
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-width: 1120px;
  --section-padding-y: clamp(4rem, 8vw, 7rem);
  --navbar-height: 4.5rem;
}

::selection {
  background: var(--celeste);
  color: var(--navy-deep);
}

:focus-visible {
  outline: 2px solid var(--celeste);
  outline-offset: 3px;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--navy-deep);
  background: var(--white);
}

h1,
h2 {
  font-family: var(--font-display);
  color: inherit;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

h3 {
  font-family: var(--font-body);
  color: inherit;
  font-weight: 700;
  line-height: 1.2;
}

p {
  color: var(--gray-cool);
  line-height: 1.65;
}

section,
footer {
  position: relative;
  padding: var(--section-padding-y) 1.5rem;
}

section > *,
footer > * {
  max-width: var(--container-width);
  margin-inline: auto;
}

section h2 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  text-align: left;
}

/* Cabecera de sección: etiqueta de expediente + título,
   siempre alineados a la izquierda de la misma columna
   que el contenido, como el encabezado de un dossier. */
.section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 3rem;
}

/* Chevron ">" — firma visual recurrente en botones y esquinas */
.chevron {
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  border-right: 0.16em solid currentColor;
  border-top: 0.16em solid currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* Etiqueta de expediente: caja negra sólida, texto blanco en
   mayúsculas, como el sello de una sección de dossier */
.section-tag {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1.75rem;
  padding: 0.55em 1em;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-tag::before {
  content: '[ ';
}

.section-tag::after {
  content: ' ]';
}

/* Franjas oscuras: negro-navy profundo, sin textura genérica */
#garantias,
#footer {
  background-color: var(--navy-black);
}

/* ============================================
   Navbar
   ============================================ */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--navbar-height);
  background: var(--white);
  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  height: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
}

.nav-logo-icon {
  height: 32px;
  width: auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--navy-black);
}

.nav-tag {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy-medium);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.35rem;
}

.nav-links a {
  position: relative;
  display: inline-block;
  padding-bottom: 0.3rem;
  font-size: 0.85rem;
  white-space: nowrap;
  color: var(--navy-deep);
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--celeste);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:hover {
  color: var(--celeste-deep);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.btn-cta--nav {
  flex-shrink: 0;
  margin-top: 0;
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  gap: 0.5rem;
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
}

/* Evita que la navbar fija tape el destino al navegar por anchors */
#hero,
#por-que-elegirnos,
#como-trabajamos,
#garantias,
#sobre-nosotros,
#contacto {
  scroll-margin-top: var(--navbar-height);
}

/* ============================================
   Hero
   ============================================ */

#hero {
  background: var(--white);
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: left;
  color: var(--navy-black);
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: 3rem 0;
}

.hero-logo-col {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  align-self: stretch;
  padding-right: clamp(2rem, 5vw, 4rem);
  border-right: 1px solid var(--border-soft);
}

.hero-logo-icon {
  width: clamp(120px, 16vw, 220px);
  height: auto;
}

.hero-content-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9rem;
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--celeste-deep);
}

.hero-tag::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--celeste-deep);
}

#hero h1 {
  max-width: 14ch;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  color: var(--navy-black);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--celeste-deep);
}

.hero-descripcion {
  max-width: 46ch;
  color: var(--gray-cool);
  font-size: 1.05rem;
  margin-top: 0.4rem;
}

@media (max-width: 680px) {
  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-logo-col {
    padding-right: 0;
    padding-bottom: 1.75rem;
    border-right: none;
    border-bottom: 1px solid var(--border-soft);
    width: 100%;
  }

  .hero-logo-icon {
    width: 110px;
  }
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-black);
  background: var(--celeste);
  border: 1px solid var(--celeste);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn-cta:hover {
  background: transparent;
  color: var(--celeste);
}

.btn-cta--nav {
  color: var(--navy-black);
}

.btn-cta--nav:hover {
  color: var(--celeste);
  border-color: var(--celeste);
}

/* ============================================
   Por qué elegirnos
   ============================================ */

#por-que-elegirnos {
  background: var(--gray-pale);
}

.ventajas-lista {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  counter-reset: ventaja;
}

.ventaja-card {
  position: relative;
  background: var(--white);
  padding: 2.25rem 1.75rem 3rem;
}

.ventaja-card::before {
  counter-increment: ventaja;
  content: counter(ventaja, decimal-leading-zero);
  display: block;
  margin-bottom: 1.5rem;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--celeste);
  opacity: 0.55;
}

.ventaja-card .chevron {
  position: absolute;
  right: 1.75rem;
  bottom: 1.75rem;
  color: var(--celeste);
}

.ventaja-card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
  color: var(--navy-deep);
}

.ventaja-card p {
  font-size: 0.95rem;
}

@media (min-width: 640px) {
  .ventajas-lista {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .ventajas-lista {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   Cómo trabajamos
   ============================================ */

#como-trabajamos {
  background: var(--white);
}

.proceso-timeline {
  position: relative;
  margin-top: 1rem;
  --timeline-progress: 1;
}

.proceso-timeline::before {
  content: '';
  position: absolute;
  z-index: 0;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 1.5rem;
  width: 1px;
  background: var(--celeste-pale);
}

/* Línea de progreso: se dibuja de arriba a abajo a medida que se
   hace scroll por el proceso (ver js/main.js). --timeline-progress
   arranca en 1 (línea completa) para que quede bien sin JS o con
   "reducir movimiento" activado. */
.proceso-timeline::after {
  content: '';
  position: absolute;
  z-index: 0;
  top: 0.5rem;
  left: 1.5rem;
  width: 1px;
  height: calc(100% - 1rem);
  background: var(--celeste);
  transform: scaleY(var(--timeline-progress));
  transform-origin: top;
}

@media (prefers-reduced-motion: no-preference) {
  .proceso-timeline::after {
    transition: transform 0.1s linear;
  }
}

.paso-proceso {
  position: relative;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding-bottom: 2.75rem;
}

.paso-proceso:last-child {
  padding-bottom: 0;
}

.paso-marca {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.paso-numero {
  position: relative;
  z-index: 1;
  min-width: 3rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
  color: var(--navy-medium);
  opacity: 0.3;
  background: var(--white);
}

.paso-linea {
  display: block;
  width: 2rem;
  height: 2px;
  margin-top: 0.6rem;
  background: var(--celeste);
}

.paso-contenido h3 {
  margin-bottom: 0.35rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.15rem;
}

.paso-contenido p {
  font-size: 0.95rem;
}

/* ============================================
   Garantías
   ============================================ */

#garantias {
  color: var(--white);
  text-align: center;
}

.garantias-lista {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  row-gap: 2.5rem;
}

.garantia-destacada {
  max-width: 320px;
  padding: 0 3.5rem;
}

.garantia-numero {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-heading);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1;
  color: var(--celeste);
}

.garantia-destacada h3 {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
  color: var(--white);
}

.garantia-destacada p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 640px) {
  .garantia-destacada:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.15);
  }
}

/* ============================================
   Sobre nosotros + Contacto
   Franja compartida de 2 columnas (ver reveal-section
   en cada <section> por separado, ambas conservan su id
   para los anchors de la navbar).
   ============================================ */

.sobre-contacto {
  max-width: var(--container-width);
  margin-inline: auto;
  background: var(--white);
}

@media (min-width: 800px) {
  .sobre-contacto {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 0 4rem;
    align-items: start;
  }
}

.tick-celeste {
  display: block;
  width: 28px;
  height: 3px;
  margin-bottom: 1rem;
  background: var(--celeste);
}

#sobre-nosotros h2,
#contacto h2 {
  text-align: left;
  margin-bottom: 1.25rem;
}

#sobre-nosotros p {
  max-width: 42ch;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--gray-cool);
}

.contacto-intro {
  margin-top: 1.5rem;
  color: var(--gray-cool);
  font-size: 1.05rem;
}

.whatsapp-botones {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 1.5rem;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  background: #25d366;
  border-radius: 8px;
  transition: background 0.25s ease;
}

.btn-whatsapp:hover {
  background: #1ebd5c;
}

.btn-whatsapp-icono {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  fill: var(--white);
}

@media (min-width: 560px) {
  .whatsapp-botones {
    flex-direction: row;
    justify-content: center;
  }

  .btn-whatsapp {
    flex: 1 1 0;
    max-width: 320px;
  }
}

/* ============================================
   Footer
   ============================================ */

#footer {
  padding-top: 4rem;
  padding-bottom: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
}

.footer-empresa {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.footer-slogan {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--celeste);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.footer-datos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-datos p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-datos a:hover {
  color: var(--celeste);
}

.footer-copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ============================================
   Scroll reveal: fade + desplazamiento hacia arriba +
   escala leve, cada vez que la sección entra al viewport
   (ver js/main.js). La clase se agrega/quita por JS en
   cada entrada/salida, así que la animación se repite;
   sin JS el contenido queda visible tal cual, sin animar.
   ============================================ */

@media (prefers-reduced-motion: no-preference) {
  .reveal-section {
    opacity: 0;
    transform: translateY(46px) scale(0.96);
    transition: opacity 0.65s ease-out, transform 0.65s ease-out;
  }

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

/* ============================================
   Accesibilidad: reducir movimiento
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}