/* ═══════════════════════════════════════════════════════════
   BRIKSS Forms - Estilos Principales
   Basado en el diseno de brikss.com
   ═══════════════════════════════════════════════════════════ */

/* ── Variables de diseno ──────────────────────────────────── */
:root {
  /* Colores BRIKSS */
  --brikss-navy: #171735;
  --brikss-navy-light: #1e1e4a;
  --brikss-navy-dark: #0e0e22;
  --brikss-orange: #1900FE;
  --brikss-orange-light: #4d3aff;
  --brikss-orange-dark: #1400d4;
  --brikss-light: #f7fafc;
  --brikss-gray: #718096;
  --brikss-gray-light: #e2e8f0;
  --brikss-gray-lighter: #edf2f7;
  --brikss-dark: #2d3748;
  --brikss-white: #ffffff;
  --brikss-success: #38a169;
  --brikss-error: #e53e3e;
  --brikss-warning: #d69e2e;
  --brikss-info: #1900FE;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 4rem;

  /* Tipografia */
  --font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ── Reset y base ─────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--brikss-dark);
  background-color: var(--brikss-light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--brikss-navy);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brikss-orange);
}

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

/* ── Tipografia ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--brikss-navy);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

/* ── Header ───────────────────────────────────────────────── */
.header {
  background: var(--brikss-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 3px solid var(--brikss-orange);
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.header__logo img {
  height: 40px;
  width: auto;
}

.header__logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--brikss-navy);
  letter-spacing: -0.02em;
}

.header__logo-text span {
  color: var(--brikss-orange);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header__nav a {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--brikss-gray);
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--brikss-navy);
  border-bottom-color: var(--brikss-orange);
}

.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--brikss-navy);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--brikss-navy) 0%, var(--brikss-navy-light) 50%, var(--brikss-navy-dark) 100%);
  color: var(--brikss-white);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(25, 0, 254, 0.08);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  pointer-events: none;
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
  color: var(--brikss-white);
  margin-bottom: var(--space-sm);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

/* ── Cards de navegacion principal ────────────────────────── */
.cards-section {
  padding: var(--space-xl) var(--space-md);
  max-width: 1200px;
  margin: -60px auto 0;
  position: relative;
  z-index: 2;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--brikss-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brikss-orange);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: var(--brikss-orange);
}

.card:hover::before {
  transform: scaleX(1);
}

.card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-sm);
  background: linear-gradient(135deg, var(--brikss-navy), var(--brikss-navy-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  transition: all var(--transition-base);
}

.card:hover .card__icon {
  background: linear-gradient(135deg, var(--brikss-orange), var(--brikss-orange-light));
  transform: scale(1.05);
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
  color: var(--brikss-navy);
}

.card__desc {
  color: var(--brikss-gray);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--brikss-orange);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.card__link::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.card:hover .card__link::after {
  transform: translateX(4px);
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--brikss-navy-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-lg) var(--space-md);
  margin-top: auto;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.footer__section h4 {
  color: var(--brikss-white);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-bottom: 0.5rem;
}

.footer__section h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--brikss-orange);
}

.footer__section ul {
  list-style: none;
}

.footer__section ul li {
  margin-bottom: 0.5rem;
}

.footer__section a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__section a:hover {
  color: var(--brikss-orange);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-sm);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--brikss-orange);
  color: var(--brikss-white);
  transform: translateY(-2px);
}

.footer__bottom {
  max-width: 1200px;
  margin: var(--space-md) auto 0;
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* ── Formularios ──────────────────────────────────────────── */
.form-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-md);
}

.form-card {
  background: var(--brikss-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.form-header {
  background: linear-gradient(135deg, var(--brikss-navy), var(--brikss-navy-light));
  color: var(--brikss-white);
  padding: var(--space-md);
}

.form-header h2 {
  color: var(--brikss-white);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.form-header p {
  opacity: 0.8;
  font-size: var(--font-size-sm);
}

/* ── Barra de progreso ────────────────────────────────────── */
.progress-bar {
  padding: var(--space-md) var(--space-md) 0;
}

.progress-bar__track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-bottom: var(--space-xs);
}

.progress-bar__line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brikss-gray-light);
  transform: translateY(-50%);
  z-index: 0;
}

.progress-bar__fill {
  position: absolute;
  top: 50%;
  left: 0;
  height: 3px;
  background: var(--brikss-orange);
  transform: translateY(-50%);
  z-index: 1;
  transition: width var(--transition-base);
}

.progress-bar__step {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brikss-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--brikss-gray);
  position: relative;
  z-index: 2;
  transition: all var(--transition-base);
  border: 3px solid var(--brikss-gray-light);
}

.progress-bar__step.active {
  background: var(--brikss-orange);
  border-color: var(--brikss-orange);
  color: var(--brikss-white);
  box-shadow: 0 0 0 4px rgba(25, 0, 254, 0.2);
}

.progress-bar__step.completed {
  background: var(--brikss-success);
  border-color: var(--brikss-success);
  color: var(--brikss-white);
}

.progress-bar__labels {
  display: flex;
  justify-content: space-between;
}

.progress-bar__label {
  font-size: var(--font-size-xs);
  color: var(--brikss-gray);
  text-align: center;
  max-width: 100px;
  transition: color var(--transition-fast);
}

.progress-bar__label.active {
  color: var(--brikss-orange);
  font-weight: 600;
}

.progress-bar__label.completed {
  color: var(--brikss-success);
}

/* ── Hojas del formulario (steps) ─────────────────────────── */
.form-step {
  display: none;
  padding: var(--space-md);
  animation: fadeIn var(--transition-base);
}

.form-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-10px); }
}

.form-step__title {
  font-size: var(--font-size-lg);
  color: var(--brikss-navy);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--brikss-gray-lighter);
}

/* ── Campos de formulario ─────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--brikss-dark);
  margin-bottom: 0.375rem;
}

.form-label .required {
  color: var(--brikss-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--brikss-gray-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--brikss-dark);
  background: var(--brikss-white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--brikss-navy);
  box-shadow: 0 0 0 3px rgba(23, 23, 53, 0.1);
}

.form-input.is-valid {
  border-color: var(--brikss-success);
}

.form-input.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(56, 161, 105, 0.1);
}

.form-input.is-invalid,
.form-select.is-invalid {
  border-color: var(--brikss-error);
}

.form-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-input[readonly] {
  background: var(--brikss-gray-lighter);
  color: var(--brikss-gray);
  cursor: not-allowed;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-error {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--brikss-error);
  margin-top: 0.25rem;
  align-items: center;
  gap: 0.25rem;
}

.form-error.visible {
  display: flex;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--brikss-gray);
  margin-top: 0.25rem;
}

/* ── Radio y Checkbox ─────────────────────────────────────── */
.radio-group,
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: 0.25rem;
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 2px solid var(--brikss-gray-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  user-select: none;
}

.radio-option:hover,
.checkbox-option:hover {
  border-color: var(--brikss-navy);
  background: var(--brikss-gray-lighter);
}

.radio-option input,
.checkbox-option input {
  accent-color: var(--brikss-orange);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.radio-option.selected,
.checkbox-option.selected {
  border-color: var(--brikss-orange);
  background: rgba(25, 0, 254, 0.05);
}

/* ── Zona de carga de archivos (drag & drop) ──────────────── */
.upload-zone {
  border: 2px dashed var(--brikss-gray-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  background: var(--brikss-gray-lighter);
}

.upload-zone:hover {
  border-color: var(--brikss-navy);
  background: rgba(26, 54, 93, 0.03);
}

.upload-zone.dragover {
  border-color: var(--brikss-orange);
  background: rgba(25, 0, 254, 0.05);
  transform: scale(1.01);
}

.upload-zone.has-file {
  border-color: var(--brikss-success);
  border-style: solid;
  background: rgba(56, 161, 105, 0.05);
}

.upload-zone.has-error {
  border-color: var(--brikss-error);
  background: rgba(229, 62, 62, 0.05);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-zone__icon {
  font-size: 3rem;
  margin-bottom: var(--space-xs);
}

.upload-zone__text {
  font-size: var(--font-size-base);
  color: var(--brikss-dark);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.upload-zone__hint {
  font-size: var(--font-size-sm);
  color: var(--brikss-gray);
}

.upload-zone__file-info {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(56, 161, 105, 0.1);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.upload-zone.has-file .upload-zone__file-info {
  display: flex;
}

.upload-zone__file-info .file-name {
  font-weight: 600;
  color: var(--brikss-dark);
}

.upload-zone__file-info .file-size {
  color: var(--brikss-gray);
  margin-left: auto;
}

.upload-zone__remove {
  background: none;
  border: none;
  color: var(--brikss-error);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.upload-zone__remove:hover {
  transform: scale(1.2);
}

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: var(--brikss-orange);
  color: var(--brikss-white);
  box-shadow: 0 4px 14px rgba(25, 0, 254, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: var(--brikss-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(25, 0, 254, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--brikss-navy);
  border: 2px solid var(--brikss-gray-light);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--brikss-navy);
  background: var(--brikss-gray-lighter);
}

.btn-navy {
  background: var(--brikss-navy);
  color: var(--brikss-white);
}

.btn-navy:hover:not(:disabled) {
  background: var(--brikss-navy-light);
  transform: translateY(-2px);
}

.btn-success {
  background: var(--brikss-success);
  color: var(--brikss-white);
  box-shadow: 0 4px 14px rgba(56, 161, 105, 0.35);
}

.btn-success:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(56, 161, 105, 0.4);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--font-size-lg);
}

/* ── Navegacion del formulario ────────────────────────────── */
.form-nav {
  display: flex;
  justify-content: space-between;
  padding: var(--space-md);
  border-top: 1px solid var(--brikss-gray-lighter);
  background: var(--brikss-gray-lighter);
}

/* ── Seccion con titulo ───────────────────────────────────── */
.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--brikss-navy);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--brikss-gray-lighter);
}

.section-title__icon {
  font-size: 1.2rem;
}

/* ── Toast Notifications ──────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--brikss-white);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  animation: toastIn var(--transition-base) ease;
  border-left: 4px solid;
  max-width: 400px;
}

.toast.toast-success {
  border-left-color: var(--brikss-success);
  color: var(--brikss-success);
}

.toast.toast-error {
  border-left-color: var(--brikss-error);
  color: var(--brikss-error);
}

.toast.toast-info {
  border-left-color: var(--brikss-info);
  color: var(--brikss-info);
}

.toast.toast-warning {
  border-left-color: var(--brikss-warning);
  color: var(--brikss-warning);
}

.toast.removing {
  animation: toastOut var(--transition-fast) ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

/* ── Spinner / Loading Overlay ────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 54, 93, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 20000;
  backdrop-filter: blur(4px);
}

.loading-overlay.active {
  display: flex;
}

.loading-content {
  text-align: center;
  color: var(--brikss-white);
}

.spinner {
  width: 56px;
  height: 56px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--brikss-orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-sm);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-content p {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.loading-content small {
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

/* ── Pagina de confirmacion ───────────────────────────────── */
.confirmation {
  text-align: center;
  padding: var(--space-lg);
}

.confirmation__icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(56, 161, 105, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 3rem;
  animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
  from { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.1); }
  to { transform: scale(1); opacity: 1; }
}

.confirmation h2 {
  color: var(--brikss-success);
  margin-bottom: var(--space-xs);
}

.confirmation p {
  color: var(--brikss-gray);
  margin-bottom: var(--space-md);
}

.confirmation__details {
  background: var(--brikss-gray-lighter);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: left;
  margin-bottom: var(--space-md);
}

.confirmation__details dt {
  font-size: var(--font-size-xs);
  color: var(--brikss-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.125rem;
}

.confirmation__details dd {
  font-weight: 600;
  color: var(--brikss-dark);
  margin-bottom: var(--space-sm);
}

.confirmation__details dd:last-child {
  margin-bottom: 0;
}

/* ── Checkbox condicional ─────────────────────────────────── */
.conditional-section {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-base), opacity var(--transition-base), margin var(--transition-base);
  margin-top: 0;
}

.conditional-section.visible {
  max-height: 500px;
  opacity: 1;
  margin-top: var(--space-sm);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .header__nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--brikss-white);
    flex-direction: column;
    padding: var(--space-sm);
    box-shadow: var(--shadow-md);
    gap: 0;
  }

  .header__nav.open {
    display: flex;
  }

  .header__nav a {
    padding: var(--space-xs) var(--space-sm);
    width: 100%;
  }

  .header__menu-toggle {
    display: block;
  }

  .hero {
    padding: var(--space-lg) var(--space-sm);
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
  }

  .cards-section {
    margin-top: -30px;
    padding: var(--space-md) var(--space-sm);
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-nav {
    flex-direction: column-reverse;
    gap: var(--space-xs);
  }

  .form-nav .btn {
    width: 100%;
  }

  .radio-group,
  .checkbox-group {
    flex-direction: column;
  }

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

  .progress-bar__labels {
    display: none;
  }

  .progress-bar__step {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
  }

  .toast-container {
    left: 10px;
    right: 10px;
  }

  .toast {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .form-container {
    padding: var(--space-xs);
  }

  .form-step {
    padding: var(--space-sm);
  }

  .progress-bar {
    padding: var(--space-sm) var(--space-sm) 0;
  }
}

/* ── Accesibilidad ────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--brikss-orange);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Utilidades ───────────────────────────────────────────── */
.text-center { text-align: center; }
.text-orange { color: var(--brikss-orange); }
.text-navy { color: var(--brikss-navy); }
.text-gray { color: var(--brikss-gray); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }

/* Aviso de consentimiento (Ley 1581/2012) */
.consent-notice {
  background: var(--brikss-gray-lighter, rgba(25, 0, 254, 0.03));
  border-left: 4px solid var(--brikss-orange, #1900FE);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  margin-top: var(--space-md);
}
.consent-notice .checkbox-option { background: transparent; border: none; padding: 0; }
.consent-notice a { color: var(--brikss-orange, #1900FE); font-weight: 600; }