/* ═══════════════════════════════════════════════════════════════
   PRESTO Landing — Paleta oficial
   Azul claro #1E8EF5 | Azul medio #1877E0 | Azul oscuro #0A3D8F | Azul profundo #082B5C
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Paleta principal */
  --primary: #1877E0;
  --primary-dark: #0A3D8F;
  --primary-deep: #082B5C;
  --accent: #1E8EF5;
  --accent-dark: #1877E0;
  --bg-dark: #082B5C;
  --bg-dark-2: #0A3D8F;
  /* Secundarios */
  --surface: #FFFFFF;
  --bg: #F5F7FA;
  --text: #082B5C;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --border-hover: #D1D5DB;
  --success: #22C55E;
  --error: #EF4444;
  /* Layout */
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(8, 43, 92, 0.08);
  --shadow-lg: 0 20px 50px rgba(8, 43, 92, 0.12);
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--surface);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(8, 43, 92, 0.06);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-deep);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
}

.logo-text {
  color: #fff;
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-icon-img {
  height: 52px;
  width: 52px;
  flex-shrink: 0;
  object-fit: contain;
}

.logo-text-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--primary-deep);
  text-decoration: none;
}

.nav .btn-primary {
  color: #fff !important;
  background: linear-gradient(135deg, var(--accent), var(--primary)) !important;
  box-shadow: 0 4px 14px rgba(30, 142, 245, 0.45);
}

.nav .btn-primary:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  box-shadow: 0 6px 20px rgba(24, 119, 224, 0.5);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary-deep);
  border-radius: 1px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  text-decoration: none;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgba(24, 119, 224, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(24, 119, 224, 0.5);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
  text-decoration: none;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-dark-2) 50%, #1A2744 100%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(30, 142, 245, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(24, 119, 224, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent), #7DD3FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  margin: 0 0 32px;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 520px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ─── Features ─── */
.features {
  padding: 100px 0;
  background: var(--bg);
}

.section-title {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  text-align: center;
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin: 0 0 48px;
  font-size: 1.1rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--surface);
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ─── How it works ─── */
.how {
  padding: 100px 0;
  background: var(--surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  margin-top: 48px;
}

.step {
  text-align: center;
  padding: 0 16px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.step h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ─── CTA ─── */
.cta {
  position: relative;
  padding: 100px 24px;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, var(--bg-dark) 0%, var(--primary-deep) 100%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-title {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.cta-subtitle {
  margin: 0 0 36px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.store-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  color: #fff;
  font-weight: 600;
  transition: background 0.2s, border-color 0.2s;
}

.store-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  color: #fff;
}

.store-btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

.store-btn[aria-disabled="true"]:hover {
  background: rgba(255, 255, 255, 0.12);
}

.store-label {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.store-name {
  font-size: 1.2rem;
}

/* ─── Footer ─── */
.footer {
  background: var(--surface);
  padding: 48px 24px 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer .logo {
  margin-bottom: 8px;
}

.footer-tagline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary-deep);
  text-decoration: none;
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ─── Legal (Privacidad / Términos) ─── */
.legal-page {
  padding: 100px 24px 60px;
  min-height: 100vh;
  background: var(--bg);
}

.legal-inner {
  max-width: 680px;
  margin: 0 auto;
}

.legal-title {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.legal-date {
  margin: 0 0 32px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.legal-h2 {
  margin: 32px 0 12px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.legal-p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: justify;
}

.legal-p a {
  color: var(--primary);
  font-weight: 500;
}

.legal-p a:hover {
  text-decoration: underline;
}

/* ─── Borrado de datos ─── */
.borrado-page {
  min-height: 100vh;
  background: var(--bg);
}

.borrado-hero {
  position: relative;
  padding: 100px 24px 48px;
  overflow: hidden;
}

.borrado-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-dark-2) 60%, #1A2744 100%);
}

.borrado-hero-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -15%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(30, 142, 245, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.borrado-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.borrado-hero-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.borrado-hero-icon svg {
  width: 48px;
  height: 48px;
}

.borrado-hero-title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.borrado-hero-subtitle {
  margin: 0;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

.borrado-content {
  padding: 0 24px 80px;
}

.borrado-inner {
  max-width: 520px;
  margin: -24px auto 0;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 32px;
}

.borrado-info-card {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, rgba(24, 119, 224, 0.06) 0%, rgba(30, 142, 245, 0.04) 100%);
  border: 1px solid rgba(24, 119, 224, 0.15);
  border-radius: var(--radius);
}

.borrado-info-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.borrado-info-icon svg {
  width: 100%;
  height: 100%;
}

.borrado-info-text p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.borrado-info-text strong {
  color: var(--text);
}

/* Form borrado */
.form-borrado {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.form-group .required {
  color: var(--error);
}

.form-group .optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-borrado input,
.form-borrado textarea {
  font-family: var(--font);
  font-size: 1rem;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-borrado input::placeholder,
.form-borrado textarea::placeholder {
  color: var(--text-light);
}

.form-borrado input:hover,
.form-borrado textarea:hover {
  border-color: var(--border-hover);
}

.form-borrado input:focus,
.form-borrado textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(24, 119, 224, 0.15);
}

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

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

.form-field-error {
  font-size: 0.875rem;
  color: var(--error);
}

.form-message {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.5;
}

.form-message[hidden] {
  display: none !important;
}

.form-message-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
}

.form-message-success .form-message-icon {
  color: var(--success);
  font-weight: 800;
  font-size: 1.25rem;
}

.form-message-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--error);
}

.form-message-error .form-message-icon {
  color: var(--error);
  font-weight: 800;
  font-size: 1.25rem;
}

.btn-submit {
  margin-top: 8px;
  width: 100%;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 80px 24px 24px;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
  }

  .nav a:hover {
    color: #fff;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 24px 60px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .features,
  .how {
    padding: 60px 0;
  }

  .cta {
    padding: 60px 24px;
  }

  .borrado-hero {
    padding: 80px 24px 40px;
  }

  .borrado-content {
    padding: 0 16px 60px;
  }

  .borrado-inner {
    margin-top: -16px;
    padding: 24px 20px;
  }

  .borrado-info-card {
    flex-direction: column;
    gap: 12px;
    padding: 14px 16px;
  }
}