/* =====================================================
   PSICOLOGÍA LANDING PAGE — SISTEMA DE DISEÑO
   Basado en Stitch Design System: "The Empathetic Editorial"
   Paleta: Rosa bebé primario #b5607a · Fondo #ffffff
   Tipografía: Manrope (títulos) + Inter (cuerpo)
   ===================================================== */

/* ---- TOKENS ---- */
:root {
  /* Colores primarios — Rosa bebé */
  --primary:                #b5607a;
  --primary-container:      #cc7a92;
  --primary-fixed:          #fde0e8;
  --primary-fixed-dim:      #f5b8cc;
  --on-primary:             #ffffff;

  /* Secundarios — Rosa palo suave */
  --secondary:              #8c5a6a;
  --secondary-container:    #fce8ef;
  --on-secondary-container: #7a4a5e;

  /* Terciario (acento) — Rosa intenso */
  --tertiary:               #d63f6e;
  --tertiary-container:     #e8628a;

  /* Superficies — Blanco puro y rosas muy claros */
  --surface:                #ffffff;
  --surface-bright:         #ffffff;
  --surface-container:      #faeef2;
  --surface-container-high: #f5e5eb;
  --surface-container-highest: #f0dbe3;
  --surface-container-low:  #fdf4f7;
  --surface-container-lowest: #ffffff;

  /* Textos */
  --on-surface:             #2a1a1e;
  --on-surface-variant:     #5c4050;
  --outline:                #9e7a85;
  --outline-variant:        #e0c5cf;

  /* Error */
  --error:                  #ba1a1a;
  --error-container:        #ffdad6;

  /* Tipografía */
  --font-headline:          'Manrope', sans-serif;
  --font-body:              'Inter', sans-serif;

  /* Radios */
  --radius-sm:              0.5rem;
  --radius-md:              0.75rem;
  --radius-lg:              1rem;
  --radius-xl:              1.5rem;
  --radius-full:            9999px;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Sombras "Ambient" (nunca negras puras) */
  --shadow-ambient: 0 20px 40px rgba(26,28,28,0.05);
  --shadow-float:   0 8px 32px rgba(26,28,28,0.08);

  /* Transiciones */
  --transition-base: 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-fast: 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---- UTILIDADES ---- */
.container {
  width: min(1200px, 100% - var(--space-8));
  margin-inline: auto;
}
.section-padding { padding-block: var(--space-24); }
.surface-low { background-color: var(--surface-container-low); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  margin-bottom: var(--space-4);
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--on-surface-variant);
  max-width: 52ch;
  line-height: 1.7;
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section-header .section-subtitle { margin-inline: auto; }
.body-text {
  font-size: 1rem;
  color: var(--on-surface-variant);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

/* ---- BOTONES ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-family: var(--font-headline);
  font-size: 0.9375rem;
  font-weight: 700;
  transition: var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  box-shadow: 0 4px 16px rgba(181, 96, 122, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(181, 96, 122, 0.4);
  filter: brightness(1.06);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: var(--space-4) var(--space-5);
}
.btn-ghost:hover {
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
}
.btn-full { width: 100%; justify-content: center; }
.btn-icon { font-size: 1.1rem !important; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.navbar.scrolled {
  border-bottom-color: rgba(224, 197, 207, 0.5);
  box-shadow: var(--shadow-ambient);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding-inline: var(--space-6);
  max-width: 1200px;
  margin-inline: auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}
.nav-brand-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.nav-link:hover { color: var(--primary); background: var(--surface-container-low); }
.nav-cta-sm {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary) !important;
  padding: var(--space-2) var(--space-5) !important;
  border-radius: var(--radius-full);
}
.nav-cta-sm:hover { filter: brightness(1.1); background: linear-gradient(135deg, var(--primary), var(--primary-container)); }
.hamburger {
  display: none;
  color: var(--on-surface);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.hamburger:hover { background: var(--surface-container-low); }

/* Mobile menu */
.mobile-menu {
  display: none;
  padding: var(--space-4) var(--space-6) var(--space-6);
  background: var(--surface-container-lowest);
  border-top: 1px solid rgba(192,200,199,0.3);
}
.mobile-menu.open { display: block; }
.mobile-link {
  display: block;
  padding: var(--space-4);
  font-weight: 500;
  color: var(--on-surface-variant);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.mobile-link:hover { color: var(--primary); background: var(--surface-container-low); }
.mobile-cta {
  display: block;
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: var(--on-primary) !important;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 700;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  overflow: hidden;
}
.hero-bg-shape {
  position: absolute;
  top: -20%;
  right: -15%;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(253, 224, 232, 0.45) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-20);
  position: relative;
  z-index: 1;
}
.hero-content { max-width: 560px; }
.hero-title {
  font-family: var(--font-headline);
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--on-surface);
  margin-bottom: var(--space-6);
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.125rem;
  color: var(--on-surface-variant);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 48ch;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-ambient);
  width: fit-content;
}
.stat-item { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-headline);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.stat-number sup {
  font-size: 1rem;
  vertical-align: super;
  font-weight: 700;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  margin-top: var(--space-1);
  max-width: 10ch;
  line-height: 1.3;
}
.stat-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--outline-variant);
  flex-shrink: 0;
}

/* Hero image */
.hero-image-wrapper { display: flex; justify-content: center; }
.hero-image-container {
  position: relative;
  width: min(420px, 100%);
}
.hero-image-container::before {
  content: '';
  position: absolute;
  top: -1.5rem;
  left: -1.5rem;
  width: 100%;
  height: 100%;
  background: var(--primary-fixed-dim);
  border-radius: var(--radius-xl);
  z-index: -1;
  transform: rotate(-3deg);
  box-shadow: var(--shadow-ambient);
}
.hero-img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-float);
}
.hero-badge {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-ambient);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface);
  white-space: nowrap;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.85); }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: bounce 2s infinite;
}
.scroll-icon { color: var(--outline); font-size: 2rem !important; }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- ABOUT ---- */
.about-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-16);
  align-items: center;
}
.quote-block {
  position: relative;
  padding-left: var(--space-6);
  margin-block: var(--space-8);
}
.quote-block::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--primary-fixed-dim));
  border-radius: var(--radius-full);
}
.quote-block p {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--secondary);
  line-height: 1.6;
}
.credentials { margin-top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4); }
.credential-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}
.credential-icon { font-size: 1.25rem !important; color: var(--primary); flex-shrink: 0; }

.about-visual { position: relative; }
.about-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-float);
}
.about-card-icon { font-size: 2.5rem !important; color: var(--primary-fixed-dim); display: block; margin-bottom: var(--space-4); }
.about-card-text {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--on-surface);
  line-height: 1.5;
}
.about-decoration {
  position: absolute;
  bottom: -2rem; right: -2rem;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(253, 224, 232, 0.55) 0%, transparent 70%);
  z-index: -1;
}

/* ---- SUBJECTS ---- */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}
.subject-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-ambient);
  transition: var(--transition-base);
}
.subject-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}
.subject-card--featured {
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
}
.subject-icon-wrap {
  width: 3rem; height: 3rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-fixed);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}
.subject-card--featured .subject-icon-wrap {
  background: rgba(255,255,255,0.2);
}
.subject-icon { color: var(--primary) !important; }
.subject-card--featured .subject-icon { color: var(--on-primary) !important; }
.subject-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-3);
}
.subject-card--featured .subject-title { color: var(--on-primary); }
.subject-desc {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}
.subject-card--featured .subject-desc { color: rgba(255,255,255,0.85); }
.subject-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}
.subject-checklist { display: flex; flex-direction: column; gap: var(--space-3); }
.subject-checklist li {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255,255,255,0.95);
}
.check-icon { font-size: 1.25rem !important; color: var(--primary-fixed-dim); }
.subject-card--featured .check-icon { color: rgba(255,255,255,0.9); }

/* ---- METHODOLOGY ---- */
.method-steps {
  display: grid;
  gap: 0;
  max-width: 800px;
  margin-inline: auto;
}
.method-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-6);
  padding-block: var(--space-8);
  position: relative;
}
.method-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 39px;
  top: calc(var(--space-8) + 2.5rem);
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-fixed), transparent);
}
.step-number {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-fixed-dim);
  line-height: 1;
  width: 2.5rem;
  text-align: center;
  padding-top: var(--space-1);
  flex-shrink: 0;
}
.step-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-2);
}
.step-desc {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  line-height: 1.7;
}

/* ---- REVIEWS ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}
.review-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-ambient);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: var(--transition-base);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-float); }
.review-card--primary {
  background: linear-gradient(145deg, var(--primary), var(--primary-container));
}
.review-stars { display: flex; gap: var(--space-1); }
.star { color: #f59e0b; font-size: 1rem !important; }
.review-card--primary .star { color: #fde68a; }
.review-card blockquote p {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  line-height: 1.7;
  font-style: normal;
}
.review-card--primary blockquote p { color: rgba(255,255,255,0.9); }
.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}
.reviewer-avatar {
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  background: var(--primary-fixed);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--primary);
  flex-shrink: 0;
}
.review-card--primary .reviewer-avatar {
  background: rgba(255,255,255,0.2);
  color: var(--on-primary);
}
.reviewer-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--on-surface);
}
.review-card--primary .reviewer-name { color: var(--on-primary); }
.reviewer-uni {
  display: block;
  font-size: 0.8rem;
  color: var(--on-surface-variant);
}
.review-card--primary .reviewer-uni { color: rgba(255,255,255,0.75); }

/* ---- CONTACT ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
.contact-details { margin-top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-5); }
.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.contact-icon { color: var(--primary); font-size: 1.5rem !important; margin-top: 2px; flex-shrink: 0; }
.contact-detail-item strong {
  display: block;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--on-surface);
  margin-bottom: var(--space-1);
}
.contact-detail-item span {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

/* Form */
.contact-form-wrapper {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-float);
}
.form-title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--on-surface);
  margin-bottom: var(--space-6);
}
.form-group { margin-bottom: var(--space-5); }
.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: var(--space-2);
  letter-spacing: 0.01em;
}
.form-input {
  width: 100%;
  background: var(--surface-container-low);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--on-surface);
  transition: var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-input::placeholder { color: var(--outline); }
.form-input:focus {
  background: var(--surface-container-lowest);
  border-color: rgba(181, 96, 122, 0.3);
  box-shadow: 0 0 0 3px rgba(181, 96, 122, 0.08);
}
.form-select { cursor: pointer; }
.form-textarea { resize: vertical; min-height: 110px; }
.form-disclaimer {
  font-size: 0.75rem;
  color: var(--outline);
  text-align: center;
  margin-top: var(--space-4);
  line-height: 1.5;
}

/* ---- FOOTER ---- */
.footer {
  background: var(--surface-container);
  padding-block: var(--space-12);
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-8);
}
.footer-tagline {
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
  margin-top: var(--space-1);
}
.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.footer-link {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.footer-link:hover { color: var(--primary); }
.footer-legal { text-align: right; }
.footer-legal p { font-size: 0.8rem; color: var(--on-surface-variant); margin-bottom: var(--space-2); }
.footer-legal-links {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-2);
}
.footer-link-sm {
  font-size: 0.75rem;
  color: var(--outline);
  transition: var(--transition-fast);
}
.footer-link-sm:hover { color: var(--primary); }

/* ---- FAB WhatsApp ---- */
.fab {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 3.5rem; height: 3.5rem;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition-base);
  z-index: 90;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.fab:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.55);
  background: #20ba5a;
}

/* ---- ANIMACIONES DE ENTRADA ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--transition-base), transform 600ms var(--transition-base);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */

/* Tablet y mobile: hamburger activo */
@media (max-width: 1024px) {
  /* Nav */
  .nav-links { display: none; }
  .hamburger { display: flex; align-items: center; }

  /* Mobile menu más ancho para tablet */
  .mobile-menu { padding: var(--space-4) var(--space-8) var(--space-8); }
  .mobile-link { font-size: 1.0625rem; padding: var(--space-5); }

  /* Hero */
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: var(--space-12); }
  .hero-content { max-width: 100%; }
  .hero-subtitle { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { margin-inline: auto; flex-wrap: wrap; }
  .hero-image-wrapper { order: -1; }
  .hero-img { aspect-ratio: 4/5; max-height: 420px; object-position: top; }
  .hero-badge {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: var(--space-4);
    margin-inline: auto;
    width: fit-content;
  }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }

  /* Subjects: 2 columnas en tablet */
  .subjects-grid { grid-template-columns: repeat(2, 1fr); }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-legal { text-align: center; }
  .footer-legal-links { justify-content: center; }
}

/* Mobile */
@media (max-width: 640px) {
  :root { --space-24: 4rem; }

  .hero-title { font-size: 2.1rem; }
  .hero-stats { flex-direction: column; gap: var(--space-5); }
  .stat-divider { width: 80%; height: 1px; }

  /* Subjects: 1 columna en mobile */
  .subjects-grid { grid-template-columns: 1fr; }

  .contact-form-wrapper { padding: var(--space-6); }
  .fab { bottom: var(--space-5); right: var(--space-5); }

  .mobile-menu { padding: var(--space-4) var(--space-4) var(--space-6); }
  .mobile-link { font-size: 1rem; }
}

/* Mobile pequeño */
@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .section-title { font-size: 1.5rem; }
  .btn { font-size: 0.875rem; padding: var(--space-3) var(--space-6); }
  .hero-badge { font-size: 0.75rem; padding: var(--space-2) var(--space-4); }
}

/* ---- ACCESSIBILITY ---- */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}