/* ═══════════════════════════════════════════════════════════════════════════
   EVALÚO — ESTILOS ZONA PÚBLICA (SSR)
   Basado en mockup_landing_evaluo_v2
   Fecha: 03 Febrero 2026
   ═══════════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════
   VARIABLES CSS — Paleta Evalúo
   ═══════════════════════════════════════════ */
:root {
  --navy: #1B4B68;
  --navy-dark: #13374d;
  --navy-deeper: #0D2137;
  --navy-light: #2a6a8f;
  --teal: #4A8A8C;
  --teal-light: #5fa8aa;
  --teal-20: rgba(74,138,140,0.2);
  --teal-40: rgba(74,138,140,0.4);
  --verde: #7BC98C;
  --verde-dark: #5db876;
  --verde-20: rgba(123,201,140,0.2);
  --amarillo: #F4E98F;
  --amarillo-20: rgba(244,233,143,0.2);
  --coral: #F78A8A;
  --coral-20: rgba(247,138,138,0.2);
  --gris-fondo: #f5f7f9;
  --gris-borde: #e2e8f0;
  --blanco: #ffffff;
  --texto-principal: #1B4B68;
  --texto-secundario: #5a7a8a;
  --texto-claro: #8ba4b4;
  --sombra-suave: 0 2px 12px rgba(13,33,55,0.08);
  --sombra-media: 0 8px 32px rgba(13,33,55,0.12);
  --sombra-fuerte: 0 16px 48px rgba(13,33,55,0.18);
  --radio: 8px;
  --radio-lg: 14px;
  --transicion: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--texto-principal);
  background: var(--blanco);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5 { font-family: 'Montserrat', sans-serif; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

a { text-decoration: none; }

/* ═══════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(13,33,55,0.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(74,138,140,0.15);
  transition: var(--transicion);
}
.navbar.scrolled { background: rgba(13,33,55,0.98); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.logo {
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 22px;
  color: var(--blanco); text-decoration: none; letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 8px;
}
.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--teal), var(--verde));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: white; font-weight: 700;
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.75); text-decoration: none; font-size: 14px;
  font-weight: 500; transition: var(--transicion); letter-spacing: 0.2px;
}
.nav-links a:hover { color: var(--verde); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.btn-nav-login {
  color: var(--blanco) !important; background: transparent;
  border: 1px solid rgba(255,255,255,0.25); padding: 8px 18px; border-radius: 6px;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--transicion);
  text-decoration: none; font-family: 'Montserrat', sans-serif;
}
.btn-nav-login:hover { border-color: var(--teal); background: var(--teal-20); }
.btn-nav-planes {
  color: var(--navy-dark) !important; background: var(--verde); border: none;
  padding: 8px 18px; border-radius: 6px; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: var(--transicion); text-decoration: none;
  font-family: 'Montserrat', sans-serif;
}
.btn-nav-planes:hover { background: var(--verde-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(123,201,140,0.4); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: white; border-radius: 2px; transition: var(--transicion); }

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 40%, #0f2d3d 100%);
  display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 64px;
}
.hero::before {
  content: ''; position: absolute; top: -20%; right: -10%;
  width: 700px; height: 700px; border: 1px solid rgba(74,138,140,0.1);
  border-radius: 50%; animation: heroFloat 22s ease-in-out infinite;
}
.hero::after {
  content: ''; position: absolute; bottom: -15%; left: -8%;
  width: 500px; height: 500px; border: 1px solid rgba(74,138,140,0.06);
  border-radius: 50%; animation: heroFloat 28s ease-in-out infinite reverse;
}
@keyframes heroFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(15px,-20px) scale(1.02); }
  66% { transform: translate(-10px,15px) scale(0.98); }
}
.hero-grid-lines { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-grid-lines span {
  position: absolute; width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(74,138,140,0.08) 40%, rgba(74,138,140,0.08) 60%, transparent 100%);
}
.hero-grid-lines span:nth-child(1) { left: 15%; height: 100%; }
.hero-grid-lines span:nth-child(2) { left: 40%; height: 100%; }
.hero-grid-lines span:nth-child(3) { left: 65%; height: 100%; }
.hero-grid-lines span:nth-child(4) { left: 85%; height: 100%; }

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; padding: 80px 0 60px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(123,201,140,0.12); border: 1px solid rgba(123,201,140,0.3);
  color: var(--verde); padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 24px;
  font-family: 'Montserrat', sans-serif; text-transform: uppercase;
  animation: fadeInUp 0.8s ease-out;
}
.hero-badge .pulse-dot {
  width: 6px; height: 6px; background: var(--verde); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.5); } }

.hero-title {
  font-size: 46px; font-weight: 800; color: var(--blanco); line-height: 1.12;
  letter-spacing: -1px; margin-bottom: 20px; animation: fadeInUp 0.8s ease-out 0.1s both;
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--teal-light), var(--verde));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
  font-size: 18px; color: rgba(255,255,255,0.7); line-height: 1.65;
  margin-bottom: 32px; max-width: 480px; animation: fadeInUp 0.8s ease-out 0.2s both;
}
.hero-ctas { display: flex; gap: 14px; margin-bottom: 48px; animation: fadeInUp 0.8s ease-out 0.3s both; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--verde); color: var(--navy-dark); border: none;
  padding: 14px 28px; border-radius: var(--radio);
  font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: var(--transicion); text-decoration: none;
}
.btn-primary:hover { background: var(--verde-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(123,201,140,0.35); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--blanco); border: 1.5px solid rgba(255,255,255,0.3);
  padding: 14px 28px; border-radius: var(--radio);
  font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: var(--transicion); text-decoration: none;
}
.btn-secondary:hover { border-color: var(--teal); background: var(--teal-20); color: var(--teal-light); }

.hero-stats { display: flex; gap: 36px; animation: fadeInUp 0.8s ease-out 0.4s both; }
.hero-stat { text-align: left; }
.hero-stat-number {
  font-family: 'Montserrat', sans-serif; font-size: 28px; font-weight: 800;
  color: var(--verde); line-height: 1; margin-bottom: 4px;
}
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 0.3px; text-transform: uppercase; font-weight: 600; }

/* Hero Video */
.hero-video-wrapper { position: relative; animation: fadeInUp 0.8s ease-out 0.3s both; }
.hero-video-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(74,138,140,0.2);
  border-radius: var(--radio-lg); overflow: hidden; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transicion); position: relative;
}
.hero-video-card:hover { border-color: var(--teal); background: rgba(255,255,255,0.06); transform: scale(1.01); }
.video-preview-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(74,138,140,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(123,201,140,0.08) 0%, transparent 50%),
    linear-gradient(180deg, rgba(27,75,104,0.4) 0%, rgba(13,33,55,0.8) 100%);
}
.play-btn {
  position: relative; z-index: 3; width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--verde), var(--teal));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  transition: var(--transicion); box-shadow: 0 0 30px rgba(123,201,140,0.3);
}
.play-btn svg { margin-left: 4px; }
.video-caption { text-align: center; margin-top: 14px; font-size: 13px; color: rgba(255,255,255,0.45); letter-spacing: 0.3px; }
.video-caption strong { color: var(--verde); }

@keyframes fadeInUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }

/* ═══════════════════════════════════════════
   SECTIONS BASE
   ═══════════════════════════════════════════ */
.section { padding: 100px 0; }
.section-alt { background: var(--gris-fondo); }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-label {
  font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--teal); margin-bottom: 12px;
}
.section-title { font-size: 34px; font-weight: 700; color: var(--navy); line-height: 1.2; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--texto-secundario); line-height: 1.65; }

/* ═══════════════════════════════════════════
   TRANSFORM (PROBLEMA → SOLUCIÓN)
   ═══════════════════════════════════════════ */
.transform-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 40px; align-items: center; }
.transform-card { padding: 40px 32px; border-radius: var(--radio-lg); text-align: center; opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.transform-card.visible { opacity: 1; transform: translateY(0); }
.transform-card.pain { background: var(--coral-20); border: 1px solid rgba(247,138,138,0.2); }
.transform-card.solution { background: var(--verde-20); border: 1px solid rgba(123,201,140,0.25); }
.transform-card.solution.visible { animation: heartbeat 1.8s ease-in-out infinite; }
@keyframes heartbeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.04); }
  28% { transform: scale(1); }
  42% { transform: scale(1.06); }
  56% { transform: scale(1); }
  100% { transform: scale(1); }
}
.transform-card.solution.visible:hover { animation-play-state: paused; }
.transform-icon-wrap {
  width: 64px; height: 64px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.pain .transform-icon-wrap { background: rgba(247,138,138,0.2); }
.solution .transform-icon-wrap { background: rgba(123,201,140,0.2); }
.transform-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--navy); }
.transform-card p { font-size: 15px; color: var(--texto-secundario); line-height: 1.6; }
.big-number { font-family: 'Montserrat', sans-serif; font-size: 48px; font-weight: 800; line-height: 1; margin: 12px 0 4px; }
.pain .big-number { color: var(--coral); }
.solution .big-number { color: var(--verde); }
.big-number-unit { font-size: 14px; font-weight: 600; color: var(--texto-secundario); letter-spacing: 0.5px; text-transform: uppercase; }
.transform-arrow { font-size: 40px; color: var(--teal); opacity: 0; transition: opacity 0.6s ease 0.3s; }
.transform-arrow.visible { opacity: 1; animation: arrowPulse 2s ease-in-out infinite; }
@keyframes arrowPulse { 0%,100% { transform: translateX(0); } 50% { transform: translateX(8px); } }

/* ═══════════════════════════════════════════
   BENEFITS
   ═══════════════════════════════════════════ */
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.benefit-card {
  background: var(--blanco); border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg); padding: 32px 28px; transition: var(--transicion);
}
.benefit-card:hover { box-shadow: var(--sombra-media); transform: translateY(-4px); border-color: transparent; }
.benefit-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.benefit-icon.teal { background: var(--teal-20); color: var(--teal); }
.benefit-icon.verde { background: var(--verde-20); color: var(--verde); }
.benefit-icon.amarillo { background: var(--amarillo-20); color: #c9a227; }
.benefit-icon.navy { background: rgba(27,75,104,0.12); color: var(--navy); }
.benefit-card h4 { font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.benefit-card p { font-size: 14px; color: var(--texto-secundario); line-height: 1.6; }

/* ═══════════════════════════════════════════
   STEPS (CÓMO FUNCIONA)
   ═══════════════════════════════════════════ */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps-grid::before {
  content: ''; position: absolute; top: 36px; left: 12.5%; right: 12.5%; height: 2px;
  background: linear-gradient(90deg, var(--teal-20) 0%, var(--verde-20) 100%);
}
.step-item { text-align: center; position: relative; }
.step-number {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
  font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: 800; color: var(--verde);
  position: relative; z-index: 2; box-shadow: var(--sombra-suave);
}
.step-item h4 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.step-item p { font-size: 13px; color: var(--texto-secundario); line-height: 1.55; }

/* ═══════════════════════════════════════════
   SUBJECTS (ASIGNATURAS)
   ═══════════════════════════════════════════ */
.subjects-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.subject-card {
  background: var(--blanco); border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg); padding: 24px 20px; text-align: center;
  transition: var(--transicion); position: relative; overflow: hidden;
}
.subject-card:hover { box-shadow: var(--sombra-media); transform: translateY(-3px); border-color: transparent; }
.subject-card.active { border-color: var(--verde); background: var(--verde-20); }
.subject-card.coming { opacity: 0.6; }
.subject-card.coming::after {
  content: 'Próximamente'; position: absolute; top: 8px; right: -24px;
  background: var(--amarillo); color: var(--navy-dark);
  font-size: 9px; font-weight: 700; padding: 3px 28px;
  transform: rotate(45deg); letter-spacing: 0.5px;
}
.subject-icon { font-size: 32px; margin-bottom: 12px; }
.subject-card h4 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.subject-card p { font-size: 11px; color: var(--texto-secundario); }

/* ═══════════════════════════════════════════
   PRICING
   ═══════════════════════════════════════════ */
.section-dark { background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy-deeper) 100%); color: var(--blanco); }
.section-dark .section-label { color: var(--verde); }
.section-dark .section-title { color: var(--blanco); }
.section-dark .section-desc { color: rgba(255,255,255,0.6); }
.pricing-intro { text-align: center; max-width: 600px; margin: 0 auto 20px; font-size: 15px; color: rgba(255,255,255,0.55); line-height: 1.6; }
.pricing-intro strong { color: var(--verde); }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 800px; margin: 40px auto 0; }
.pricing-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(74,138,140,0.2);
  border-radius: var(--radio-lg); padding: 36px 32px; position: relative; transition: var(--transicion);
}
.pricing-card:hover { border-color: var(--teal); background: rgba(255,255,255,0.06); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.pricing-card.featured { border-color: var(--verde); background: rgba(123,201,140,0.06); }
.pricing-card.featured:hover { box-shadow: 0 16px 48px rgba(123,201,140,0.15); }
.pricing-popular {
  position: absolute; top: -12px; right: 24px;
  background: var(--amarillo); color: var(--navy-dark);
  font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 700;
  padding: 4px 14px; border-radius: 12px; letter-spacing: 0.5px; text-transform: uppercase;
}
.pricing-type { font-family: 'Montserrat', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--teal-light); margin-bottom: 8px; }
.pricing-name { font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 700; color: var(--blanco); margin-bottom: 16px; }
.pricing-desc { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.6; margin-bottom: 24px; }
.pricing-features { list-style: none; margin-bottom: 28px; padding: 0; }
.pricing-features li {
  font-size: 14px; color: rgba(255,255,255,0.75); padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 10px;
}
.pricing-features li .check-icon { flex-shrink: 0; }
.pricing-price { margin-bottom: 20px; }
.pricing-price .desde { font-size: 12px; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 0.5px; }
.pricing-amount { font-family: 'Montserrat', sans-serif; font-size: 36px; font-weight: 800; color: var(--blanco); }
.pricing-period { font-size: 14px; color: rgba(255,255,255,0.4); }
.btn-pricing {
  display: block; width: 100%; text-align: center; padding: 14px; border-radius: var(--radio);
  font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: var(--transicion); text-decoration: none; border: none;
}
.btn-pricing-teal { background: var(--teal); color: var(--blanco); }
.btn-pricing-teal:hover { background: var(--teal-light); transform: translateY(-1px); }
.btn-pricing-verde { background: var(--verde); color: var(--navy-dark); }
.btn-pricing-verde:hover { background: var(--verde-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(123,201,140,0.3); }
.pricing-note { text-align: center; margin-top: 32px; font-size: 13px; color: rgba(255,255,255,0.35); }

/* ═══════════════════════════════════════════
   NEWS (NOTICIAS)
   ═══════════════════════════════════════════ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { background: var(--blanco); border: 1px solid var(--gris-borde); border-radius: var(--radio-lg); overflow: hidden; transition: var(--transicion); }
.news-card:hover { box-shadow: var(--sombra-media); transform: translateY(-3px); }
.news-img { height: 160px; display: flex; align-items: center; justify-content: center; }
.news-card:nth-child(1) .news-img { background: linear-gradient(135deg, rgba(74,138,140,0.15), rgba(123,201,140,0.1)); }
.news-card:nth-child(2) .news-img { background: linear-gradient(135deg, rgba(27,75,104,0.12), rgba(74,138,140,0.1)); }
.news-card:nth-child(3) .news-img { background: linear-gradient(135deg, rgba(123,201,140,0.1), rgba(244,233,143,0.15)); }
.news-body { padding: 20px 24px 24px; }
.news-date { font-size: 11px; color: var(--teal); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; margin-bottom: 8px; }
.news-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.35; }
.news-excerpt { font-size: 13px; color: var(--texto-secundario); line-height: 1.55; }
.news-more { text-align: center; margin-top: 40px; }
.btn-outline-teal {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--teal); color: var(--teal); background: transparent;
  padding: 12px 28px; border-radius: var(--radio); font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transicion); text-decoration: none;
}
.btn-outline-teal:hover { background: var(--teal); color: var(--blanco); transform: translateY(-1px); }

/* ═══════════════════════════════════════════
   CTA FINAL
   ═══════════════════════════════════════════ */
.cta-final {
  background: linear-gradient(135deg, var(--teal) 0%, var(--navy) 100%);
  text-align: center; padding: 80px 0; position: relative; overflow: hidden;
}
.cta-final::before { content: ''; position: absolute; top: -50%; left: -20%; width: 600px; height: 600px; border: 1px solid rgba(255,255,255,0.05); border-radius: 50%; }
.cta-final h2 { font-size: 34px; font-weight: 700; color: var(--blanco); margin-bottom: 14px; position: relative; }
.cta-final p { font-size: 16px; color: rgba(255,255,255,0.7); margin-bottom: 28px; position: relative; }
.cta-final .btn-primary { font-size: 16px; padding: 16px 36px; position: relative; }
.cta-note { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,0.4); position: relative; }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer { background: var(--navy-deeper); padding: 60px 0 30px; color: rgba(255,255,255,0.5); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 14px; line-height: 1.65; margin-top: 14px; color: rgba(255,255,255,0.4); }
.footer-col h5 { font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 700; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.4); text-decoration: none; font-size: 13px; transition: var(--transicion); }
.footer-col ul li a:hover { color: var(--teal-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: rgba(255,255,255,0.3); text-decoration: none; transition: var(--transicion); }
.footer-social a:hover { color: var(--teal-light); }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-video-wrapper { max-width: 500px; margin: 40px auto 0; }
  .transform-grid { grid-template-columns: 1fr; gap: 20px; }
  .transform-arrow { transform: rotate(90deg); margin: 0 auto; }
  .benefits-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .steps-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 450px; }
  .subjects-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.active {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--navy-deeper); padding: 20px;
    border-bottom: 1px solid rgba(74,138,140,0.15);
  }
  .hero-title { font-size: 32px; }
  .section-title { font-size: 28px; }
  .subjects-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
}