/* =========================================================
   VARIABLES DE MARCA — cambia estos valores para re-marcar
   el sitio completo sin tocar el resto del CSS.
   ========================================================= */
:root {
  /* Colores */
  --color-bg: #f4f6fb;
  --color-navy-900: #0a1a33;
  --color-navy-800: #10254a;
  --color-navy-700: #16305e;
  --color-accent: #ffc93c;
  --color-accent-dark: #e8ab00;
  --color-text: #182233;
  --color-text-muted: #5c6b84;
  --color-text-inverse: #ffffff;
  --color-white: #ffffff;
  --color-border: #dfe4ee;
  --color-success: #1f9d55;
  --color-error: #d64545;

  /* Tipografía */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --fs-h1: clamp(1.9rem, 4vw, 2.9rem);
  --fs-h2: clamp(1.3rem, 2.5vw, 1.6rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* Espaciados */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Bordes y sombras */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 20px 50px -12px rgba(10, 26, 51, 0.35);
  --shadow-soft: 0 2px 10px rgba(10, 26, 51, 0.08);

  --max-width: 1180px;
}

/* =========================================================
   RESET LIVIANO
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul, fieldset, legend, figure { margin: 0; padding: 0; }
ul { list-style: none; }
fieldset { border: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea, button { font-family: inherit; font-size: var(--fs-body); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  background: var(--color-navy-900);
  position: sticky;
  top: 0;
  z-index: 30;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.1rem;
}
.logo img { border-radius: 6px; }
.btn-header-cta {
  background: var(--color-accent);
  color: var(--color-navy-900);
  font-weight: 700;
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  font-size: var(--fs-small);
  text-decoration: none;
  white-space: nowrap;
}

/* =========================================================
   HERO + GRID PRINCIPAL
   ========================================================= */
.hero {
  background: radial-gradient(120% 120% at 100% 0%, var(--color-navy-700) 0%, var(--color-navy-900) 60%);
  padding: var(--space-7) 0 var(--space-8);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "form"
    "copy";
  gap: var(--space-7);
  align-items: start;
}
.hero-copy { grid-area: copy; color: var(--color-text-inverse); }
.form-wrapper { grid-area: form; }

.eyebrow {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.hero-copy h1 {
  font-size: var(--fs-h1);
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: var(--space-4);
}
.hero-copy h1 .highlight {
  color: var(--color-accent);
}
.hero-subtitle {
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: var(--space-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: none;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.98); }

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.5);
  padding: var(--space-3) var(--space-5);
  font-size: 1rem;
}
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-secondary svg { transition: transform 0.15s ease; }
.btn-secondary:hover svg { transform: translateY(2px); }

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-6) 0 var(--space-4);
}
.trust-badges li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.85);
}
.trust-badges svg { color: var(--color-accent); flex-shrink: 0; }

.social-proof {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
  max-width: 50ch;
}

/* =========================================================
   FORM CARD
   ========================================================= */
.form-card {
  background: var(--color-navy-800);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
}
.form-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255,201,60,0.08), transparent 40%);
  pointer-events: none;
}
.form-card-header { margin-bottom: var(--space-5); position: relative; }
.form-card-header h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  margin-bottom: var(--space-2);
}
.form-card-header p {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-small);
}

.form-section {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.form-section:last-of-type { border-bottom: none; }
.form-section legend {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.field { margin-bottom: var(--space-4); position: relative; }
.field:last-child { margin-bottom: 0; }
.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: rgba(255,255,255,0.9);
}

input[type="text"],
input[type="number"],
input[type="tel"],
input[type="email"],
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: var(--color-white);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
input::placeholder { color: rgba(255,255,255,0.35); }
input:focus, select:focus {
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.1);
}
select option { color: var(--color-text); }

.input-prefix {
  display: flex;
  align-items: stretch;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1.5px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
}
.input-prefix span {
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  background: rgba(255,255,255,0.08);
  font-weight: 700;
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.75);
  white-space: nowrap;
}
.input-prefix input {
  border: none;
  background: transparent;
  border-radius: 0;
}
.input-prefix:focus-within { border-color: var(--color-accent); }

/* Chips (radio buttons estilizados) */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip-group input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
  font-size: var(--fs-small);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.chip-sm { padding: var(--space-2) var(--space-3); }
.chip-group input[type="radio"]:checked + .chip {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-navy-900);
}
.chip-group input[type="radio"]:focus-visible + .chip {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.unit-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}
.unit-amount { flex: 1; min-width: 140px; }

/* Consentimiento */
.consent-field { margin-top: var(--space-2); }
.consent-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}
.consent-label input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
}
.consent-label span {
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.75);
}
.consent-label a {
  color: var(--color-accent);
  text-decoration: underline;
}

.error-msg {
  display: block;
  color: #ff8c8c;
  font-size: 0.78rem;
  margin-top: var(--space-1);
  min-height: 0;
}

.field.has-error input,
.field.has-error select,
.field.has-error .input-prefix {
  border-color: var(--color-error);
}

/* Botón submit */
.btn-submit {
  width: 100%;
  background: var(--color-accent);
  color: var(--color-navy-900);
  padding: var(--space-4);
  font-size: 1.05rem;
  margin-top: var(--space-5);
  position: relative;
}
.btn-submit:hover { background: var(--color-accent-dark); }
.btn-submit:disabled { opacity: 0.75; cursor: not-allowed; }
.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2.5px solid rgba(10,26,51,0.25);
  border-top-color: var(--color-navy-900);
  animation: spin 0.7s linear infinite;
}
.btn-submit.is-loading .btn-label { opacity: 0.6; }
.btn-submit.is-loading .btn-spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.privacy-microcopy {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-top: var(--space-4);
}

/* Estado de éxito */
.success-state {
  text-align: center;
  padding: var(--space-6) var(--space-3);
  color: var(--color-white);
}
.success-state svg { color: var(--color-accent); margin: 0 auto var(--space-4); }
.success-state h3 { font-size: 1.4rem; margin-bottom: var(--space-2); }
.success-state p { color: rgba(255,255,255,0.75); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-navy-900);
  color: rgba(255,255,255,0.6);
  padding: var(--space-5) 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: 0.78rem;
  text-align: center;
}
.footer-links { display: flex; justify-content: center; gap: var(--space-4); }
.footer-links a { text-decoration: underline; color: rgba(255,255,255,0.75); }

/* =========================================================
   MODAL LEGAL
   ========================================================= */
.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.legal-modal[hidden] {
  display: none;
}
.legal-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,26,51,0.7);
}
.legal-modal-panel {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 720px;
  height: min(85vh, 800px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.legal-modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--color-navy-900);
  color: var(--color-white);
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.legal-modal-panel iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* =========================================================
   RESPONSIVE — Tablet / Desktop
   ========================================================= */
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    grid-template-areas: "copy form";
    gap: var(--space-8);
  }
  .hero-copy { padding-top: var(--space-6); }
  .field-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 899px) {
  .form-card { padding: var(--space-5) var(--space-4); }
}