/* base.css — esqueleto compartido por /mandarin y /music.
   Aqui NO hay colores ni tipografias concretas: solo estructura.
   Cada web define sus tokens en su propio theme.css. */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}

p { text-wrap: pretty; }

a { color: inherit; }

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

/* ---------- layout ---------- */

.wrap {
  width: min(100% - 2.5rem, 68rem);
  margin-inline: auto;
}

section {
  padding-block: clamp(3rem, 9vw, 6rem);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 2.2vw, 0.875rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
}

.section-title {
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
}

.lede {
  font-size: clamp(1.0625rem, 2.6vw, 1.25rem);
  max-width: 46ch;
}

/* ---------- selector de idioma ---------- */

.langbar {
  position: absolute;
  top: 0; right: 0;
  z-index: 10;
  display: flex;
  gap: 0.25rem;
  padding: 0.9rem clamp(1.25rem, 4vw, 2rem);
}

.langbar button {
  font: inherit;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  border-radius: 3px;
  transition: background 140ms ease, color 140ms ease;
}

.langbar button:hover { color: var(--ink); }

.langbar button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(4.5rem, 12vw, 7rem) clamp(3rem, 9vw, 6rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 6vw, 3.5rem);
  align-items: center;
}

.hero-title {
  font-size: clamp(2.5rem, 11vw, 5rem);
}

.hero-sub {
  font-family: var(--font-display);
  font-size: clamp(1rem, 3.6vw, 1.375rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0.75rem 0 0;
}

.hero-photo {
  border-radius: var(--radius-photo);
  box-shadow: var(--shadow-photo);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

/* ---------- modalidad online / offline ---------- */

.modes {
  display: grid;
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.mode {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}

.mode svg {
  flex: 0 0 auto;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
}

.mode b {
  font-family: var(--font-display);
  display: block;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9375rem;
}

.mode span {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.4;
}

/* ---------- lista de aprendizaje ---------- */

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.125rem;
  grid-template-columns: 1fr;
}

@media (min-width: 42rem) {
  .checks { grid-template-columns: 1fr 1fr; gap: 1.5rem 2.5rem; }
}

.checks li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.checks svg {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.1em;
  color: var(--accent);
}

/* ---------- contacto ---------- */

.contact { text-align: center; }

.contact .section-title { margin-bottom: 0.75rem; }

.contact .lede { margin-inline: auto; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(0.9375rem, 2.6vw, 1.0625rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-btn);
  border: 2px solid var(--accent);
  background: var(--accent);
  color: var(--on-accent);
  transition: transform 140ms ease, background 140ms ease, color 140ms ease;
}

.btn svg { width: 1.25rem; height: 1.25rem; }

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

.btn--ghost {
  background: transparent;
  color: var(--accent);
}

.btn--ghost:hover { background: var(--accent); color: var(--on-accent); }

/* ---------- pie ---------- */

footer {
  border-top: 1px solid var(--rule);
  padding-block: 2rem;
  text-align: center;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: var(--font-display);
  color: var(--ink-soft);
}

/* ---------- responsive ---------- */

@media (min-width: 52rem) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
  .hero-grid > .hero-media { order: 2; }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}