/* Variables globales */
:root {
  --bg: #121212;
  --bg-alt: #1E5B2E;
  --fg: #fff;
  --fg2: rgba(255, 255, 255, 0.75);
  --primary: #1ED760;
  --secondary: #1DB954;
  --radius: 6px;
  --font: Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: "Roboto Condensed", "Arial Narrow", Arial, sans-serif;
}

/* Reset y base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

/* Contenedor */
.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Secciones */
section {
  scroll-margin-top: 5rem;
  padding: 4rem 0;
}

.alt {
  background: var(--bg-alt);
}

/* Tipografía */
.eyebrow {
  font-family: var(--display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 2.25rem;
  margin-top: 0.75rem;
}

h3 {
  font-size: 1.5rem;
}

.muted {
  color: var(--fg2);
}

.head {
  max-width: 42rem;
}

/* Botones */
.btn {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--bg);
  padding: 0.75rem 1.5rem;
  font-family: var(--display);
  font-weight: 700;
  transition: transform 0.2s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--secondary);
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(4px);
}

.bar {
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
}

.logo svg {
  width: 36px;
  height: 36px;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav a:not(.btn),
.foot-nav a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--fg2);
  transition: color 0.2s;
}

.nav a:not(.btn):hover,
.foot-nav a:hover {
  color: var(--primary);
}

.menu-btn {
  display: inline-flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--secondary);
  border-radius: var(--radius);
  background: none;
  color: var(--fg);
  cursor: pointer;
}

.menu-btn svg {
  width: 24px;
  height: 24px;
}

#menu-movil {
  display: none;
  border-top: 1px solid var(--secondary);
  padding: 1.25rem;
}

#menu-movil.open {
  display: block;
}

#menu-movil a:not(.btn) {
  display: block;
  padding: 0.75rem;
  border-radius: var(--radius);
  font-weight: 700;
}

#menu-movil a:not(.btn):hover {
  background: rgba(29, 185, 84, 0.3);
}

#menu-movil .btn {
  margin-top: 0.75rem;
}

/* Hero */
.hero {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero h1 span {
  color: var(--primary);
}

.hero p.lead {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  max-width: 36rem;
}

.hero .art {
  display: flex;
  justify-content: center;
  min-height: 20rem;
  align-items: center;
}

.hero .art svg {
  width: 100%;
  max-width: 36rem;
}

/* Grillas */
.grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 3rem;
}

.g3 {
  grid-template-columns: 1fr;
}

.g4 {
  grid-template-columns: 1fr;
}

/* Beneficios */
.benefit {
  border-top: 1px solid var(--secondary);
  padding-top: 1.75rem;
}

.benefit .ic {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--secondary);
  margin-bottom: 1.5rem;
}

.benefit .ic svg {
  width: 40px;
  height: 40px;
}

.benefit p {
  margin-top: 0.75rem;
  max-width: 24rem;
}

/* Tarjetas de planes */
.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--secondary);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.plan-art {
  height: 10rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--bg-alt);
  color: var(--primary);
}

.plan-art svg {
  height: 6rem;
  width: 8rem;
}

.card h3 {
  margin-top: 1.5rem;
}

.price {
  margin-top: 0.75rem;
  font-family: var(--display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
}

.price span {
  font-size: 1rem;
  color: var(--fg2);
  margin-left: 0.25rem;
}

.card .detail {
  margin-top: 0.75rem;
  min-height: 3.5rem;
  font-size: 0.875rem;
}

.card .cta {
  margin-top: auto;
  padding-top: 1.25rem;
}

/* Testimonios */
figure {
  border: 1px solid var(--secondary);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 1.75rem;
}

blockquote {
  font-size: 1.125rem;
}

figcaption {
  margin-top: 1.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--primary);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Contacto */
.contact {
  display: grid;
  gap: 3rem;
}

.info {
  border-top: 1px solid var(--secondary);
  padding-top: 1.75rem;
}

dl {
  margin-top: 1.5rem;
}

dl div + div {
  margin-top: 1.25rem;
}

dt {
  font-weight: 700;
}

dd {
  color: var(--fg2);
  margin-top: 0.25rem;
}

.socials {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.socials a {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--secondary);
  border-radius: var(--radius);
  padding: 0 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  transition: background 0.2s;
}

.socials a:hover {
  background: rgba(29, 185, 84, 0.3);
}

.socials svg {
  width: 20px;
  height: 20px;
}

/* Footer */
footer {
  border-top: 1px solid var(--secondary);
  padding: 2.5rem 0;
}

.foot {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.foot .logo {
  font-size: 1.25rem;
}

.foot .logo svg {
  width: 28px;
  height: 28px;
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

/* Responsive - Tablet (768px) */
@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }

  section {
    padding: 6rem 0;
  }

  h1,
  h2 {
    font-size: 3rem;
  }

  .g3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .g4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits.grid {
    gap: 2rem;
  }

  .foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Responsive - Desktop (1024px) */
@media (min-width: 1024px) {
  .nav {
    display: flex;
  }

  .menu-btn,
  #menu-movil,
  #menu-movil.open {
    display: none;
  }

  .hero {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .g4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .info {
    border-top: 0;
    border-left: 1px solid var(--secondary);
    padding: 0 0 0 2.5rem;
  }
}

/* Autenticación */
.auth-tab {
  transition: color 0.2s;
}

.auth-tab:hover {
  color: var(--primary) !important;
}

.auth-tab.active {
  color: var(--primary) !important;
  border-bottom: 2px solid var(--primary) !important;
}

.error-message {
  background: rgba(255, 67, 67, 0.1);
  color: #ff4343;
  padding: 0.75rem;
  border-radius: var(--radius);
  border-left: 3px solid #ff4343;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.success-message {
  background: rgba(30, 215, 96, 0.1);
  color: var(--primary);
  padding: 0.75rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

#auth-btn {
  background: none;
  color: var(--fg2);
  padding: 0;
  min-height: auto;
  font-weight: 700;
  transition: color 0.2s;
}

#auth-btn:hover {
  color: var(--primary);
  transform: none;
}

#logout-btn:hover {
  color: var(--primary) !important;
}

/* Accesibilidad - Movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition-duration: 0.01ms !important;
  }
}