/* =============================================================
   ESCUELA DE PORTUGUÉS — LANDING PAGE
   Instituto Sana Uruguay · Manual de Marca 2026
   Base: Negro #111111 · Dorado #C9A84C
   Acento: Amarillo #FFDF00 · Verde #009C3B (bandera Brasil)
   ============================================================= */

/* ── CUSTOM PROPERTIES ─────────────────────────────────────── */
:root {
  --black:       #111111;
  --white:       #FFFFFF;
  --gold:        #C9A84C;
  --gold-deep:   #A8893A;
  --ink:         #1A1A1F;
  --muted:       #55555A;
  --soft:        #8A8A90;
  --grey-bg:     #F6F5F2;
  --hairline:    rgba(17,17,17,0.10);
  --error:       #C0281D;

  /* Brazilian flag accent */
  --br-yellow:   #FFDF00;
  --br-green:    #009C3B;
  --br-green-deep: #006B2B;

  --whatsapp:    #25D366;

  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius:      12px;
  --radius-sm:   8px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg:   0 16px 48px rgba(0,0,0,0.10);
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  background: var(--grey-bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

::selection { background: var(--br-yellow); color: var(--br-green-deep); }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }

/* ── TYPOGRAPHY ────────────────────────────────────────────── */
h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--ink);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--br-green);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  width: 32px; height: 2px;
  background: var(--br-yellow);
  border-radius: 2px;
}
.eyebrow-light { color: var(--br-yellow); }
.eyebrow-light::before { background: rgba(255,255,255,0.3); }

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
}
.section-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--br-yellow), var(--br-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title-light { color: var(--white); }
.section-title-light em {
  background: linear-gradient(135deg, var(--br-yellow) 30%, #7CFF9B);
  -webkit-background-clip: text;
  background-clip: text;
}

.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 48px;
}


/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 16px 34px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--br-green) 0%, var(--br-green-deep) 100%);
  color: var(--white);
  box-shadow: 0 8px 28px rgba(0,156,59,0.28);
}
.btn-primary:hover { box-shadow: 0 14px 38px rgba(0,156,59,0.36); }

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
}
.btn-outline-light:hover { border-color: var(--br-yellow); color: var(--br-yellow); }

.btn-wa {
  background: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 8px 28px rgba(37,211,102,0.28);
}
.btn-wa:hover { box-shadow: 0 14px 38px rgba(37,211,102,0.36); }

.btn-lg { padding: 20px 42px; font-size: 15px; }
.btn-full { width: 100%; }


/* ── TOP BAR ───────────────────────────────────────────────── */
.top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(17,17,17,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: padding var(--transition), background var(--transition);
  padding: 0;
}
.top-bar.scrolled {
  background: rgba(17,17,17,0.95);
  padding: 0;
}
.top-bar-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}
.top-logo { width: 36px; height: 36px; color: var(--gold); }
.top-brand-text {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.2;
}
.top-brand-text small {
  display: block;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}
.top-wa {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--whatsapp);
  font-size: 13px;
  font-weight: 600;
  transition: color var(--transition);
}
.top-wa:hover { color: #2EE876; }
.top-wa span { display: none; }
@media (min-width: 600px) { .top-wa span { display: inline; } }


/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 100px 28px 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(0,156,59,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(255,223,0,0.10) 0%, transparent 50%),
    var(--black);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--br-yellow);
  margin-bottom: 32px;
  animation: fadeUp 0.8s ease both;
}

.hero-title {
  font-size: clamp(36px, 6vw, 68px);
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--br-yellow) 20%, var(--br-green) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2.2vw, 19px);
  color: rgba(255,255,255,0.7);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 56px;
  animation: fadeUp 0.8s 0.4s ease both;
}
.stat {
  text-align: center;
  padding: 0 32px;
}
.stat strong {
  display: block;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.03em;
}
.stat span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-top: 4px;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
}

/* Brazilian flag decorative stripes */
.hero-flag-stripe {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 3;
}
.hero-flag-green { height: 4px; background: var(--br-green); bottom: 4px; }
.hero-flag-yellow { height: 4px; background: var(--br-yellow); bottom: 0; }


/* ── BENEFITS ──────────────────────────────────────────────── */
.benefits {
  padding: 100px 0;
  background: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--grey-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
  /* reveal animation */
  opacity: 0;
  transform: translateY(30px);
}
.benefit-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition);
}
.benefit-card:nth-child(2).revealed { transition-delay: 0.08s; }
.benefit-card:nth-child(3).revealed { transition-delay: 0.16s; }
.benefit-card:nth-child(4).revealed { transition-delay: 0.24s; }

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,156,59,0.15);
}

.benefit-icon {
  width: 52px; height: 52px;
  color: var(--br-green);
  margin-bottom: 20px;
}
.benefit-icon svg { width: 100%; height: 100%; }

.benefit-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}
.benefit-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}


/* ── INVERSIÓN SOLIDARIA ───────────────────────────────────── */
.inversion {
  padding: 100px 0;
  background: var(--black);
  position: relative;
  overflow: hidden;
}
.inversion::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 120%, rgba(255,223,0,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 30%, rgba(0,156,59,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.inversion-card {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  backdrop-filter: blur(10px);
}

.inversion-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--br-yellow);
  border: 1px solid rgba(255,223,0,0.3);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 36px;
}

.inversion-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 18px;
  margin-bottom: 28px;
}
.inversion-number {
  font-size: clamp(60px, 10vw, 96px);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--br-yellow) 30%, var(--br-green) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.inversion-label {
  font-size: 18px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-align: left;
  line-height: 1.4;
}

.inversion-divider {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--br-yellow), var(--br-green));
  margin: 0 auto 28px;
  border-radius: 2px;
}

.inversion-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 36px;
}
.inversion-desc strong { color: var(--white); }
.inversion-desc em { color: var(--br-yellow); font-style: normal; }


/* ── PROFESORA ─────────────────────────────────────────────── */
.profesora {
  padding: 100px 0;
  background: var(--white);
}

.prof-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: start;
}

.prof-photo-wrap {
  position: relative;
}
.prof-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--grey-bg);
  box-shadow: var(--shadow-lg);
}
.prof-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.prof-flag-accent {
  position: absolute;
  bottom: -8px; left: 24px; right: 24px;
  height: 6px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(90deg, var(--br-green) 50%, var(--br-yellow) 50%);
}

.prof-role {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}

.prof-bio p {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.75;
}
.prof-bio strong {
  color: var(--ink);
}

.prof-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  margin-bottom: 32px;
}
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 7px 16px;
  background: var(--grey-bg);
  border: 1px solid var(--hairline);
  border-radius: 100px;
  color: var(--muted);
  transition: all var(--transition);
}
.tag:hover {
  border-color: var(--br-green);
  color: var(--br-green);
  background: rgba(0,156,59,0.04);
}


/* ── DETALLES DEL CURSO ────────────────────────────────────── */
.detalles {
  padding: 100px 0;
  background: var(--grey-bg);
}

.detalles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.detalle-item {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform var(--transition), box-shadow var(--transition);
  /* reveal */
  opacity: 0;
  transform: translateY(24px);
}
.detalle-item.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow var(--transition);
}
.detalle-item:nth-child(2).revealed { transition-delay: 0.06s; }
.detalle-item:nth-child(3).revealed { transition-delay: 0.12s; }
.detalle-item:nth-child(4).revealed { transition-delay: 0.18s; }
.detalle-item:nth-child(5).revealed { transition-delay: 0.24s; }
.detalle-item:nth-child(6).revealed { transition-delay: 0.30s; }

.detalle-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.detalle-num {
  font-size: 14px;
  font-weight: 900;
  color: var(--br-green);
  letter-spacing: 1px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.detalle-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.detalle-item p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}


/* ── TESTIMONIOS ───────────────────────────────────────────── */
.testimonios {
  padding: 100px 0;
  background: var(--white);
}

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonio-card {
  background: var(--grey-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  /* reveal */
  opacity: 0;
  transform: translateY(24px);
}
.testimonio-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.testimonio-card:nth-child(2).revealed { transition-delay: 0.08s; }
.testimonio-card:nth-child(3).revealed { transition-delay: 0.16s; }

.testimonio-stars {
  color: var(--br-yellow);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonio-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonio-autor {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}
.testimonio-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--br-green), var(--br-green-deep));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.testimonio-autor strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.testimonio-autor span {
  font-size: 12px;
  color: var(--soft);
}


/* ── FAQ ───────────────────────────────────────────────────── */
.faq {
  padding: 100px 0;
  background: var(--grey-bg);
}

.faq-list {
  max-width: 720px;
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
  /* reveal */
  opacity: 0;
  transform: translateY(16px);
}
.faq-item.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.faq-item:nth-child(2).revealed { transition-delay: 0.05s; }
.faq-item:nth-child(3).revealed { transition-delay: 0.10s; }
.faq-item:nth-child(4).revealed { transition-delay: 0.15s; }
.faq-item:nth-child(5).revealed { transition-delay: 0.20s; }
.faq-item:nth-child(6).revealed { transition-delay: 0.25s; }

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  transition: color var(--transition);
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; content: ''; }

.faq-item summary:hover { color: var(--br-green); }

.faq-icon {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  color: var(--br-green);
  border: 1.5px solid var(--hairline);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item[open] .faq-icon {
  background: var(--br-green);
  color: var(--white);
  border-color: var(--br-green);
}

.faq-answer {
  padding: 0 0 22px;
}
.faq-answer p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
}


/* ── FORMULARIO DE INSCRIPCIÓN ─────────────────────────────── */
.inscripcion {
  padding: 100px 0;
  background: var(--black);
  position: relative;
  overflow: hidden;
}
.inscripcion::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(0,156,59,0.10) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(255,223,0,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.form-wrapper {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.form-header {
  margin-bottom: 40px;
}
.form-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

.form-body {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  backdrop-filter: blur(10px);
}

.form-row { margin-bottom: 20px; }
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}
.optional { color: rgba(255,255,255,0.3); font-weight: 400; }

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 15px;
  color: var(--white);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.25);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--br-green);
  background: rgba(0,156,59,0.06);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.form-legal {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}


/* ── UBICACIÓN ─────────────────────────────────────────────── */
.ubicacion {
  padding: 100px 0;
  background: var(--white);
}

.ubi-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.ubi-info p {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.ubi-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.ubi-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ubi-detail strong {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--br-green);
}
.ubi-detail span {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.5;
}

.ubi-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  background: var(--grey-bg);
  box-shadow: var(--shadow);
  border: 1px solid var(--hairline);
}
.ubi-map iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
}


/* ── CTA FINAL ─────────────────────────────────────────────── */
.cta-final {
  padding: 80px 0;
  background: var(--grey-bg);
  text-align: center;
}
.cta-final h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  margin-bottom: 14px;
}
.cta-final h2 em {
  font-style: normal;
  color: var(--whatsapp);
}
.cta-final p {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
}


/* ── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--black);
  border-top: 3px solid var(--br-green);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}


/* ── FLOATING WHATSAPP BUTTON ──────────────────────────────── */
.fab-wa {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 99;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  opacity: 0;
  pointer-events: none;
  transform: scale(0.7);
}
.fab-wa.visible {
  opacity: 1;
  pointer-events: all;
  transform: scale(1);
}
.fab-wa:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 40px rgba(37,211,102,0.5);
}


/* ── ANIMATIONS ────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 960px) {
  .prof-layout {
    grid-template-columns: 300px 1fr;
    gap: 40px;
  }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .detalles-grid { grid-template-columns: 1fr 1fr; }
  .testimonios-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .container { padding: 0 20px; }

  .hero { min-height: auto; padding: 120px 20px 60px; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .stat-divider { width: 40px; height: 1px; }
  .stat { padding: 0; }

  .benefits, .inversion, .profesora, .detalles,
  .testimonios, .faq, .inscripcion, .ubicacion { padding: 72px 0; }

  .benefits-grid,
  .detalles-grid,
  .testimonios-grid { grid-template-columns: 1fr; }

  .prof-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .prof-photo { max-width: 320px; margin: 0 auto; }

  .inversion-card { padding: 40px 28px; }
  .inversion-amount { flex-direction: column; gap: 8px; }
  .inversion-label { text-align: center; }

  .form-row-2 { grid-template-columns: 1fr; }
  .form-body { padding: 28px 22px; }

  .ubi-layout { grid-template-columns: 1fr; }
  .ubi-map { min-height: 280px; }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .testimonio-card:nth-child(3) { display: none; }
}

@media (max-width: 420px) {
  .hero-title { font-size: 32px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }
}

/* ── REDUCED MOTION ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}