/* ================================================
   BabelBA — Escuela de Idiomas · styles.css
   Mobile-first | DM Sans | 2026
   ================================================ */

/* ── VARIABLES ───────────────────────────────── */
:root {
  --bg: #ffffff;
  --primary: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #0ea5e9;
  --accent: #eab308;
  --text: #0f172a;
  --muted: #64748b;
  --surface: #f0f7ff;
  --border: #dbeafe;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.06);
  --shadow-md: 0 10px 30px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.07);
  --shadow-primary: 0 8px 24px rgba(29,78,216,.28);

  --transition: .22s cubic-bezier(.4,0,.2,1);
  --nav-h: 68px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ── UTILS ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: 72px;
}

.section__header {
  text-align: center;
  margin-bottom: 52px;
}

.section__tag {
  display: inline-block;
  background: var(--surface);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  margin-bottom: 14px;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .925rem;
  padding: 12px 24px;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}
.btn--primary:hover {
  background: #1e40af;
  border-color: #1e40af;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(29,78,216,.35);
}

.btn--accent {
  background: var(--accent);
  color: #1a1100;
  border-color: var(--accent);
  font-weight: 700;
}
.btn--accent:hover {
  background: #ca8a04;
  border-color: #ca8a04;
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn--sm {
  font-size: .8rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}

.btn--full { width: 100%; justify-content: center; }

.btn--whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25d366;
  color: #fff;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius);
  margin-top: 12px;
  font-size: .9rem;
  transition: all var(--transition);
}
.btn--whatsapp:hover {
  background: #128c7e;
  transform: translateY(-1px);
}

/* ── SCROLL REVEAL ───────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── TOP BAR ─────────────────────────────────── */
.topbar {
  background: var(--primary);
  color: #fff;
  font-size: .78rem;
  font-weight: 500;
  padding: 9px 20px;
  text-align: center;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.topbar__sep {
  opacity: .4;
  display: none;
}

/* ── NAV ─────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--bg);
  box-shadow: var(--shadow-sm);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -.03em;
}

.nav__logo i {
  font-size: 1.5rem;
  color: var(--primary-light);
}

.nav__links {
  display: none;
  flex-direction: column;
  position: absolute;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg);
  padding: 20px;
  gap: 4px;
  box-shadow: var(--shadow-md);
  border-top: 1px solid var(--border);
}

.nav__links.open {
  display: flex;
}

.nav__link {
  font-size: .925rem;
  font-weight: 500;
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--primary);
  background: var(--surface);
}

.nav__cta {
  margin-top: 8px;
  text-align: center;
  justify-content: center;
}

.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.nav__hamburger:hover { background: var(--surface); }
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 0;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,20,60,.82) 0%,
    rgba(15,30,90,.65) 60%,
    rgba(14,165,233,.3) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding: 80px 20px 40px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__badge i { color: var(--accent); }

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -.03em;
  max-width: 700px;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: clamp(.95rem, 1.8vw, 1.15rem);
  color: rgba(255,255,255,.85);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__finder {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg);
  padding: 20px;
  max-width: 780px;
}

.hero__finder-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.hero__tab {
  font-size: .8rem;
  font-weight: 600;
  color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  padding: 8px 14px;
  border-radius: 100px;
  transition: all var(--transition);
  cursor: pointer;
}
.hero__tab:hover {
  background: rgba(255,255,255,.2);
  color: #fff;
}
.hero__tab.active {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
  font-weight: 700;
}

.hero__finder-selects {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__select {
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  width: 100%;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition);
}
.hero__select:focus { outline: none; border-color: var(--accent); }
.hero__select option { background: var(--primary); color: #fff; }

.hero__cta-btn {
  width: 100%;
  justify-content: center;
  padding: 14px 28px;
  font-size: 1rem;
}

.hero__stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: auto;
}

.hero__stat {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  border-right: 1px solid rgba(255,255,255,.1);
  border-bottom: 1px solid rgba(255,255,255,.1);
  text-align: center;
}
.hero__stat:nth-child(2n) { border-right: none; }

.hero__stat-num {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.hero__stat-label {
  font-size: .75rem;
  color: rgba(255,255,255,.65);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── IDIOMAS ─────────────────────────────────── */
.idiomas { background: var(--bg); }

.idiomas__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.idioma-card {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.idioma-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition);
}
.idioma-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.idioma-card:hover::before { opacity: 1; }

.idioma-card__flag { font-size: 2.5rem; }

.idioma-card__name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.idioma-card__alumnos {
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.idioma-card__desc {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.idioma-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 4px;
  transition: gap var(--transition);
}
.idioma-card__link:hover { gap: 10px; }

/* ── CURSOS ──────────────────────────────────── */
.cursos { background: var(--surface); }

.cursos__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.cursos__tab {
  font-size: .875rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  border: 1.5px solid var(--border);
  padding: 10px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}
.cursos__tab:hover { border-color: var(--primary-light); color: var(--primary); }
.cursos__tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.cursos__panel { display: none; }
.cursos__panel.active { display: block; }

.cursos__table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  background: var(--bg);
  -webkit-overflow-scrolling: touch;
}

.cursos__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}
.cursos__table thead tr {
  background: var(--primary);
  color: #fff;
}
.cursos__table th {
  padding: 14px 18px;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  text-align: left;
}
.cursos__table th:last-child { text-align: center; }
.cursos__table td {
  padding: 16px 18px;
  font-size: .9rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.cursos__table td:last-child { text-align: center; }
.cursos__table tbody tr { transition: background var(--transition); }
.cursos__table tbody tr:hover { background: var(--surface); }
.cursos__table tbody tr:last-child td { border-bottom: none; }
.cursos__table-row--highlight { background: #fffbeb; }
.cursos__table-row--highlight:hover { background: #fef9c3 !important; }

.nivel-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  margin-right: 8px;
  letter-spacing: .04em;
}
.nivel-badge--a { background: #dcfce7; color: #15803d; }
.nivel-badge--b { background: #dbeafe; color: #1e40af; }
.nivel-badge--c { background: #f3e8ff; color: #7c3aed; }
.nivel-badge--biz { background: #fef3c7; color: #92400e; }
.nivel-badge--exam { background: #fee2e2; color: #991b1b; }

.modal-badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 500;
  background: var(--surface);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.modal-badge--intensivo { background: #fef3c7; color: #92400e; border-color: #fcd34d; }

.cursos__disclaimer {
  margin-top: 24px;
  font-size: .85rem;
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 20px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.cursos__disclaimer i { color: var(--primary-light); flex-shrink: 0; margin-top: 2px; }

/* ── MODALIDADES ─────────────────────────────── */
.modalidades { background: var(--bg); }

.modalidades__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.modalidad-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: all var(--transition);
}
.modalidad-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.modalidad-card--featured {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.modalidad-card--featured .modalidad-card__title { color: #fff; }
.modalidad-card--featured .modalidad-card__desc { color: rgba(255,255,255,.82); }
.modalidad-card--featured .modalidad-card__features li { color: rgba(255,255,255,.9); }
.modalidad-card--featured .modalidad-card__features i { color: var(--accent); }
.modalidad-card--featured:hover { background: #1e40af; }

.modalidad-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #1a1100;
  font-size: .72rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}

.modalidad-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary-light);
}
.modalidad-card--featured .modalidad-card__icon {
  background: rgba(255,255,255,.18);
  color: #fff;
}
.modalidad-card:not(.modalidad-card--featured) .modalidad-card__icon {
  background: var(--border);
  color: var(--primary);
}

.modalidad-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.modalidad-card__desc {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.65;
}

.modalidad-card__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.modalidad-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  color: var(--text);
}
.modalidad-card__features i {
  color: var(--primary);
  font-size: .8rem;
  flex-shrink: 0;
}

.modalidad-card__locations {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.modalidad-card__locations span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--muted);
  font-weight: 500;
}
.modalidad-card__locations i { color: var(--primary-light); }

.modalidad-card__img {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 4px;
}
.modalidad-card__img img { width: 100%; height: 160px; object-fit: cover; }

.modalidad-card__btn {
  margin-top: auto;
  align-self: flex-start;
  font-size: .875rem;
}

/* ── PROFESORES ──────────────────────────────── */
.profesores { background: var(--surface); }

.profesores__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.profesor-card {
  background: var(--bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.profesor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.profesor-card__img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
}
.profesor-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform .6s ease;
}
.profesor-card:hover .profesor-card__img-wrap img { transform: scale(1.05); }

.profesor-card__lang-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,.2);
}

.profesor-card__info {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.profesor-card__name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.profesor-card__origin {
  font-size: .82rem;
  color: var(--muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.profesor-card__origin i { color: var(--primary-light); }

.profesor-card__bio {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.profesor-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.profesor-card__tags span {
  font-size: .72rem;
  font-weight: 600;
  background: var(--surface);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

/* ── CERTIFICACIONES ─────────────────────────── */
.certif { background: var(--bg); }

.certif__inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}

.certif__content {
  max-width: 600px;
}
.certif__content .section__title { text-align: left; }
.certif__content .section__tag { margin-bottom: 14px; }

.certif__desc {
  font-size: .975rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.certif__badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.certif__badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: all var(--transition);
}
.certif__badge:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.certif__badge-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
}

.certif__badge-info {
  display: flex;
  flex-direction: column;
}
.certif__badge-info strong { font-size: .9rem; color: var(--text); }
.certif__badge-info span { font-size: .75rem; color: var(--muted); }

.certif__images {
  position: relative;
  width: 100%;
  max-width: 500px;
  align-self: center;
}

.certif__img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
}
.certif__img--main {
  height: 280px;
  box-shadow: var(--shadow-md);
}
.certif__img--secondary {
  position: absolute;
  width: 55%;
  height: 170px;
  bottom: -28px;
  right: -20px;
  border: 4px solid var(--bg);
  box-shadow: var(--shadow-lg);
  display: none;
}

/* ── PRUEBA DE NIVEL ─────────────────────────── */
.prueba { background: var(--primary); }
.prueba .section__tag { background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.2); }
.prueba .section__title { color: #fff; }

.prueba__inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}

.prueba__content { color: #fff; max-width: 500px; }
.prueba__content .section__title { text-align: left; margin-bottom: 16px; }

.prueba__desc {
  color: rgba(255,255,255,.82);
  font-size: .975rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.prueba__benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prueba__benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .9rem;
  color: rgba(255,255,255,.9);
}
.prueba__benefits i { color: var(--accent); font-size: .95rem; }

.prueba__form-wrap {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.form-group:last-child { margin-bottom: 0; }

.form-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}
.form-label span { color: var(--primary); }

.form-input {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: .9rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  appearance: none;
}
.form-input:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-input.error { border-color: #ef4444; }
.form-input.success { border-color: #22c55e; }

.form-error {
  font-size: .78rem;
  color: #ef4444;
  font-weight: 500;
  min-height: 18px;
}

/* ── TESTIMONIOS ─────────────────────────────── */
.testimonios { background: var(--surface); }

.testimonios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.testimonio-card {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: all var(--transition);
}
.testimonio-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.testimonio-card--featured {
  background: var(--primary);
  border-color: var(--primary);
}
.testimonio-card--featured .testimonio-card__stars i { color: var(--accent); }
.testimonio-card--featured .testimonio-card__text { color: rgba(255,255,255,.92); }
.testimonio-card--featured .testimonio-card__author strong { color: #fff; }
.testimonio-card--featured .testimonio-card__author span { color: rgba(255,255,255,.65); }
.testimonio-card--featured .testimonio-card__logro { color: var(--accent); }

.testimonio-card__stars {
  display: flex;
  gap: 4px;
}
.testimonio-card__stars i { color: var(--accent); font-size: .9rem; }

.testimonio-card__text {
  font-size: .95rem;
  color: var(--text);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}
.testimonio-card__text::before { content: '"'; }
.testimonio-card__text::after  { content: '"'; }

.testimonio-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonio-card__avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonio-card__author-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.testimonio-card__author-info strong {
  font-size: .9rem;
  color: var(--text);
}
.testimonio-card__author-info span {
  font-size: .78rem;
  color: var(--muted);
}

.testimonio-card__logro {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 2px;
}
.testimonio-card__logro i { font-size: .7rem; }

/* ── FOOTER ──────────────────────────────────── */
.footer { background: var(--text); color: rgba(255,255,255,.75); }

.footer__top { padding: 60px 0 48px; }

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.03em;
  margin-bottom: 14px;
}
.footer__logo i { color: var(--primary-light); font-size: 1.4rem; }

.footer__tagline {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  margin-bottom: 22px;
  max-width: 300px;
}

.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,.1);
}
.footer__social a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.footer__col-title {
  font-size: .875rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 18px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__links a:hover { color: #fff; }

.footer__location,
.footer__hours {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}
.footer__location i,
.footer__hours i {
  color: var(--primary-light);
  font-size: .9rem;
  margin-top: 3px;
  flex-shrink: 0;
}
.footer__location > div,
.footer__hours > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.footer__location strong,
.footer__hours strong { font-size: .875rem; color: #fff; }
.footer__location span,
.footer__hours span { font-size: .8rem; color: rgba(255,255,255,.6); }
.footer__location a {
  font-size: .8rem;
  color: var(--primary-light);
}
.footer__location a:hover { color: #fff; }

.footer__contact-text {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  margin-bottom: 14px;
}

.footer__email {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--primary-light);
  transition: color var(--transition);
}
.footer__email:hover { color: #fff; }
.footer__email i { font-size: .85rem; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  text-align: center;
}
.footer__bottom p {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  line-height: 1.7;
}

/* ── TOAST ───────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  transform: translateY(120%);
  opacity: 0;
  transition: all .35s cubic-bezier(.175,.885,.32,1.275);
  pointer-events: none;
  max-width: 360px;
  width: calc(100vw - 48px);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast__inner {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--shadow-lg);
}

.toast__icon { color: #22c55e; font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }

.toast__content { flex: 1; }
.toast__title { display: block; font-size: .9rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.toast__msg { font-size: .82rem; color: var(--muted); margin: 0; line-height: 1.5; }

.toast__close {
  color: var(--muted);
  font-size: .85rem;
  padding: 2px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 1px;
  transition: color var(--transition);
}
.toast__close:hover { color: var(--text); }

/* ── SCROLL TOP ──────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9998;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  box-shadow: var(--shadow-primary);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition);
}
.scroll-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-top:hover { background: #1e40af; transform: translateY(-2px); }

/* ================================================
   BREAKPOINTS
   ================================================ */

/* ── 480px ───────────────────────────────────── */
@media (min-width: 480px) {
  .topbar__sep { display: inline; }

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

  .hero__stat { flex-basis: 25%; }
  .hero__stat:nth-child(2n) { border-right: 1px solid rgba(255,255,255,.1); }
  .hero__stat:nth-child(4) { border-right: none; }

  .certif__img--secondary { display: block; }
}

/* ── 768px ───────────────────────────────────── */
@media (min-width: 768px) {
  .section { padding-block: 96px; }

  /* nav */
  .nav__hamburger { display: none; }
  .nav__links {
    display: flex !important;
    flex-direction: row;
    position: static;
    padding: 0;
    gap: 2px;
    box-shadow: none;
    border: none;
    align-items: center;
    background: transparent;
  }
  .nav__cta { margin-top: 0; }

  /* hero */
  .hero__finder-selects {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .hero__select { flex: 1; min-width: 160px; }
  .hero__cta-btn { width: auto; }

  /* idiomas */
  .idiomas__grid { grid-template-columns: repeat(3, 1fr); }

  /* modalidades */
  .modalidades__grid { grid-template-columns: 1fr 1fr; }

  /* profesores */
  .profesores__grid { grid-template-columns: 1fr 1fr; }

  /* certif */
  .certif__inner { flex-direction: row; gap: 64px; align-items: center; }
  .certif__content { flex: 1; max-width: none; }
  .certif__images { flex: 1; max-width: 420px; }
  .certif__img--main { height: 320px; }
  .certif__img--secondary { display: block; }

  /* prueba */
  .prueba__inner { flex-direction: row; gap: 64px; align-items: flex-start; }
  .prueba__content { flex: 1; }
  .prueba__form-wrap { flex: 1; max-width: 480px; }

  /* testimonios */
  .testimonios__grid { grid-template-columns: 1fr 1fr; }

  /* footer */
  .footer__grid { grid-template-columns: 1.5fr 1fr 1.5fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ── 1024px ──────────────────────────────────── */
@media (min-width: 1024px) {
  /* modalidades */
  .modalidades__grid { grid-template-columns: repeat(3, 1fr); }

  /* profesores */
  .profesores__grid { grid-template-columns: repeat(4, 1fr); }

  /* testimonios */
  .testimonios__grid { grid-template-columns: repeat(3, 1fr); }

  /* footer */
  .footer__grid { grid-template-columns: 1.6fr 0.8fr 1.4fr 1.2fr; }
  .footer__brand { grid-column: auto; }
}

/* ── Reduced motion ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__stat-num { transition: none; }
  html { scroll-behavior: auto; }
}