/**
 * Estilos base ARTECHILE SPA
 * Consumen variables.css (paleta oscura + acentos del logo).
 */
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap");
@import url("variables.css");

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  font-weight: 400;
  color: var(--color-text);
  background:
    var(--gradient-brand-soft),
    radial-gradient(ellipse at 20% 0%, rgba(0, 212, 255, 0.08), transparent 40%),
    radial-gradient(ellipse at 90% 10%, rgba(255, 140, 0, 0.07), transparent 35%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
}

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

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

a:hover {
  color: var(--color-secondary);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin: 0 0 var(--spacing-md);
  color: var(--color-text);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-main {
  min-height: calc(100vh - var(--header-height) - 220px);
  padding-bottom: var(--spacing-2xl);
}

/* Botones: cian primario / naranja CTA / outline secundario */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.35rem;
  border: 1px solid transparent;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
  background: #33ddff;
  color: var(--color-text-inverse);
  box-shadow: var(--glow-cyan);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  box-shadow: none;
}

.btn-accent {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.btn-accent:hover {
  background: #ff9f2b;
  color: var(--color-text-inverse);
  box-shadow: 0 0 24px rgba(255, 140, 0, 0.3);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
}

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-left: 3px solid;
  background: var(--color-surface);
}

.alert-success {
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-error {
  border-color: var(--color-error);
  color: var(--color-error);
}

.alert-info {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: var(--spacing-lg) 0;
  letter-spacing: 0.02em;
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs span {
  opacity: 0.5;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: fadeUp 0.7s ease both;
}