/* ============================================================
   KAZON SERVICIOS — Estilos globales
   Stack: CSS3 vanilla, variables, mobile-first
   ============================================================ */

/* ── Fuentes ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=Inter:wght@400;500;600&display=swap');

/* ── Variables ───────────────────────────────────────────── */
:root {
  /* Colores base */
  --bg:           #0a0a0a;
  --bg-card:      #141414;
  --bg-elevated:  #1a1a1a;
  --border:       rgba(255,255,255,0.08);
  --text:         #f5f5f5;
  --text-muted:   #888888;
  --text-subtle:  #555555;
  --white:        #ffffff;

  /* Acentos por área */
  --contabilidad: #2563eb;
  --consultoria:  #059669;
  --tecnologia:   #7c3aed;
  --publicidad:   #ea580c;

  /* Tipografía */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Espaciado */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;

  /* Transiciones */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utilidades ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--sm {
  padding: var(--space-lg) 0;
}

.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  display: block;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

/* ── Tipografía ──────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  font-weight: 800;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(2.8rem, 7vw, 6rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.1rem; }

p { color: var(--text-muted); line-height: 1.8; }

/* ── Navegación ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--transition), padding var(--transition);
}

.nav.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.nav__logo span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--contabilidad);
  margin-left: 4px;
  vertical-align: middle;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--white);
}

.nav__cta {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.nav__cta:hover {
  background: var(--white);
  color: var(--bg);
  border-color: var(--white);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* Transforma hamburguesa → X cuando el menú está abierto */
.nav__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.72) 0%,
    rgba(0, 0, 0, 0.45) 60%,
    rgba(0, 0, 0, 0.3) 100%
  );
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  position: relative;
  z-index: 3;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.hero__tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--text-muted);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__title em {
  font-style: normal;
  color: var(--contabilidad);
}

.hero__desc {
  font-size: 1.125rem;
  max-width: 560px;
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--white);
  color: var(--bg);
}

.btn--primary:hover {
  background: #ddd;
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.05);
}

/* ── Cards de áreas ──────────────────────────────────────── */
.areas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.area-card {
  background: var(--bg-card);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.area-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent, var(--white));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.area-card:hover::before { transform: scaleX(1); }
.area-card:hover { background: var(--bg-elevated); }

.area-card--contabilidad { --accent: var(--contabilidad); }
.area-card--consultoria  { --accent: var(--consultoria); }
.area-card--tecnologia   { --accent: var(--tecnologia); }
.area-card--publicidad   { --accent: var(--publicidad); }

.area-card__icon {
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.area-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.area-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.area-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: gap var(--transition);
}

.area-card:hover .area-card__link { gap: 0.7rem; }

/* ── Sección "Por qué" ───────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.why-item {
  padding: var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  opacity: 0;
  transform: translateY(30px);
}

.why-item__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-subtle);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.why-item__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.why-item__desc {
  font-size: 0.875rem;
}

/* ── Divisor orgánico ────────────────────────────────────── */
.divider {
  height: 60px;
  background: var(--bg-card);
  clip-path: polygon(0 0, 100% 40%, 100% 100%, 0 100%);
  margin-top: -1px;
}

.divider--reverse {
  clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
}

/* ── Sección de página de área ───────────────────────────── */
.area-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.area-hero .container {
  position: relative;
  z-index: 3;
}

.area-hero__accent {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(to bottom, transparent 50%, rgba(10,10,10,1.00) 100%),
    radial-gradient(ellipse 70% 80% at 80% 50%, rgba(var(--accent-rgb),0.18) 0%, transparent 60%),
    linear-gradient(to right, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.35) 60%, rgba(0,0,0,0.2) 100%);
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a { transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }

/* ── Lista de servicios ──────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}

.service-item:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}

.service-item__icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent-color);
}

.service-item__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.service-item__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── CTA Banner ──────────────────────────────────────────── */
.cta-banner {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.cta-banner h2 { margin-bottom: var(--space-sm); }
.cta-banner p  { margin-bottom: var(--space-md); max-width: 500px; margin-left: auto; margin-right: auto; }

/* ── Formulario de contacto ──────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
  -webkit-appearance: none;
}

.form-group select { cursor: pointer; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-subtle); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(255,255,255,0.3);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-msg {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  display: none;
}

.form-msg--success {
  background: rgba(5,150,105,0.15);
  border: 1px solid rgba(5,150,105,0.3);
  color: #34d399;
}

.form-msg--error {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.footer__desc {
  font-size: 0.875rem;
  max-width: 300px;
}

.footer__rfc {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 0.5rem;
  font-family: monospace;
}

.footer__heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-subtle);
}

/* ── Ken Burns (zoom lento en hero background) ───────────── */
@keyframes kenBurns {
  0%   { transform: scale(1)    translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.5%, 1%); }
}

@keyframes kenBurnsAlt {
  0%   { transform: scale(1.06) translate(-1%, 0); }
  100% { transform: scale(1)    translate(0, 1%); }
}

/* ── Hero con imagen de fondo ────────────────────────────── */
.hero__bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.45) 0%,
    rgba(0, 0, 0, 0.30) 40%,
    rgba(0, 0, 0, 0.55) 70%,
    rgba(10, 10, 10, 1.00) 100%
  );
  z-index: 1;
}

.hero__bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.8) saturate(0.85);
  will-change: transform;
  transform-origin: center center;
}

/* ── Imagen con parallax (contenedor) ───────────────────── */
.parallax-wrap {
  overflow: hidden;
  border-radius: var(--radius-lg);
  height: 480px;
  position: relative;
}

.parallax-wrap img {
  width: 100%;
  height: 130%; /* más alto para dar espacio al parallax */
  object-fit: cover;
  object-position: center;
  filter: brightness(0.75) saturate(0.8);
  will-change: transform;
  transform-origin: center center;
}

/* Zoom lento en sección foto */
.photo-zoom {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.photo-zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: scale(1.04);
}

.photo-zoom:hover img,
.photo-zoom.in-view img {
  transform: scale(1);
}

/* ── Sección nosotros/equipo ─────────────────────────────── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about-split__text { display: flex; flex-direction: column; gap: var(--space-sm); }
.about-split__text h2 { margin-bottom: 0.5rem; }
.about-split__text p  { font-size: 1rem; }

/* ── Animaciones base (visibilidad para GSAP) ────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .areas {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-split {
    grid-template-columns: 1fr;
  }

  .parallax-wrap {
    height: 320px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

@media (max-width: 600px) {
  :root {
    --space-xl: 5rem;
    --space-lg: 3rem;
  }

  h1 { font-size: clamp(1.6rem, 8vw, 2.4rem); }
  h2 { font-size: clamp(1.4rem, 5.5vw, 1.8rem); }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── Menú móvil ──────────────────────────────────────────── */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 101;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.nav__mobile.open { display: flex; }

.nav__mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav__mobile a:hover { color: var(--white); }

.nav__mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  background: none;
  border: none;
}