/* ============================================================
   ZONA DIGITAL PE — styles.css
   Educación Financiera Independiente en Perú
   ============================================================ */

/* --- VARIABLES --- */
:root {
  --navy:       #0d1f3c;
  --navy-light: #162d52;
  --blue:       #1a4a8a;
  --blue-mid:   #2563a8;
  --accent:     #f0a500;
  --accent-lt:  #fbbf24;
  --gray-900:   #111827;
  --gray-800:   #1f2937;
  --gray-700:   #374151;
  --gray-500:   #6b7280;
  --gray-300:   #d1d5db;
  --gray-100:   #f3f4f6;
  --white:      #ffffff;
  --surface:    #f8f9fb;
  --border:     #dde2ea;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow-sm:  0 2px 8px rgba(13,31,60,.08);
  --shadow-md:  0 6px 24px rgba(13,31,60,.12);
  --shadow-lg:  0 16px 48px rgba(13,31,60,.16);
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --transition: .25s ease;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- CONTAINER --- */
.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3 { font-family: var(--font-serif); line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p { color: var(--gray-700); }

/* ============================================================
   DISCLAIMER TOP BAR
   ============================================================ */
.disclaimer-top {
  background: var(--navy);
  padding: .6rem 0;
  border-bottom: 2px solid var(--accent);
}
.disclaimer-top .container {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
}
.disclaimer-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.disclaimer-top p {
  font-size: .78rem;
  color: rgba(255,255,255,.85);
  margin: 0;
}
.disclaimer-top strong { color: var(--accent-lt); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-size: 1.15rem;
  color: var(--navy);
  font-weight: 300;
  letter-spacing: -.01em;
}
.logo strong { font-weight: 700; }
.logo em { font-style: normal; color: var(--blue-mid); font-weight: 600; }
.logo-icon { font-size: 1.4rem; color: var(--accent); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--blue-mid); }
.btn-nav {
  background: var(--blue-mid);
  color: var(--white) !important;
  padding: .45rem 1.1rem;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: background var(--transition) !important;
}
.btn-nav:hover { background: var(--navy) !important; }

/* Toggle mobile */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--navy);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--blue-mid);
  color: var(--white);
  padding: .75rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--navy);
  box-shadow: 0 4px 16px rgba(26,74,138,.3);
  transform: translateY(-1px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--white);
  padding: .73rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid rgba(255,255,255,.5);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.1);
}
.btn-full { width: 100%; justify-content: center; }
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .8rem;
  background: var(--navy);
  color: var(--white);
  padding: .5rem 1.2rem;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 600;
  transition: background var(--transition);
}
.btn-download:hover { background: var(--blue-mid); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 60%, var(--blue-mid) 100%);
  padding: 100px 0 90px;
  overflow: hidden;
  color: var(--white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 50%, rgba(37,99,168,.4) 0%, transparent 70%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='%23ffffff08'/%3E%3C/svg%3E");
}
.hero-inner { position: relative; z-index: 2; max-width: 740px; }
.hero-badge {
  display: inline-block;
  background: rgba(240,165,0,.18);
  border: 1px solid rgba(240,165,0,.4);
  color: var(--accent-lt);
  padding: .35rem .9rem;
  border-radius: 100px;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 1.4rem;
  letter-spacing: .03em;
}
.hero-title {
  color: var(--white);
  margin-bottom: 1.2rem;
}
.hero-title em {
  font-style: italic;
  color: var(--accent-lt);
}
.hero-sub {
  color: rgba(255,255,255,.82);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 580px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat strong {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--white);
  line-height: 1;
}
.stat span {
  font-size: .78rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-top: .2rem;
}

/* Decorative shapes */
.hero-shapes { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: .06;
  background: var(--white);
}
.shape-1 { width: 500px; height: 500px; right: -100px; top: -150px; }
.shape-2 { width: 280px; height: 280px; right: 200px; bottom: -80px; }

/* ============================================================
   SECTION SHARED
   ============================================================ */
.section { padding: 90px 0; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.section-header p { margin-top: .8rem; font-size: 1rem; }
.section-tag {
  display: inline-block;
  background: rgba(37,99,168,.08);
  color: var(--blue-mid);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .8rem;
  border-radius: 100px;
  margin-bottom: .8rem;
  border: 1px solid rgba(37,99,168,.2);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.link-read {
  display: inline-block;
  margin-top: .8rem;
  color: var(--blue-mid);
  font-size: .88rem;
  font-weight: 600;
  transition: color var(--transition), gap var(--transition);
}
.link-read:hover { color: var(--navy); }

/* ============================================================
   QUIÉNES SOMOS
   ============================================================ */
.quienes-somos { background: var(--surface); }
.about-visual {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.6rem 1.8rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.about-card-accent {
  background: var(--navy);
  border-color: var(--navy);
}
.about-card-accent h3 { color: var(--white); }
.about-card-accent p { color: rgba(255,255,255,.7); }
.about-icon { font-size: 1.8rem; display: block; margin-bottom: .6rem; }
.about-card h3 { margin-bottom: .3rem; font-size: 1.05rem; }
.about-text { }
.about-text h2 { margin-bottom: 1rem; }
.about-text p { margin-bottom: .9rem; }
.about-text strong { color: var(--navy); }
.about-list { margin-top: 1.2rem; display: flex; flex-direction: column; gap: .5rem; }
.about-list li { font-size: .9rem; color: var(--gray-700); }

/* ============================================================
   GUÍAS
   ============================================================ */
.guias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.guia-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.guia-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.guia-icon-wrap {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.guia-card h3 { margin-bottom: .7rem; font-size: 1.05rem; }
.guia-card p { font-size: .88rem; margin-bottom: .9rem; }
.guia-points {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: .4rem;
}
.guia-points li {
  font-size: .8rem;
  color: var(--gray-500);
  padding-left: 1em;
  position: relative;
}
.guia-points li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--blue-mid);
}

/* ============================================================
   RECURSOS
   ============================================================ */
.recursos { background: var(--surface); }
.recursos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.recurso-card {
  display: flex;
  gap: 1.4rem;
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.6rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
  align-items: flex-start;
}
.recurso-card:hover { box-shadow: var(--shadow-md); }
.recurso-thumb {
  font-size: 2.4rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--gray-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.recurso-info h3 { font-size: 1rem; margin-bottom: .4rem; }
.recurso-info p { font-size: .85rem; }
.recurso-meta {
  display: block;
  font-size: .75rem;
  color: var(--blue-mid);
  font-weight: 600;
  margin-top: .5rem;
  letter-spacing: .03em;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 1.4rem;
}
.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.blog-card-featured {
  grid-column: 1 / -1;
  background: var(--navy);
  border-color: var(--navy);
}
.blog-card-featured h3 { color: var(--white); font-size: 1.3rem; }
.blog-card-featured p { color: rgba(255,255,255,.75); }
.blog-card-featured .blog-meta { color: rgba(255,255,255,.5); }
.blog-card-featured .link-read { color: var(--accent-lt); }
.blog-card-featured .blog-category {
  background: rgba(240,165,0,.2);
  color: var(--accent-lt);
  border-color: rgba(240,165,0,.3);
}
.blog-category {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: rgba(37,99,168,.08);
  color: var(--blue-mid);
  border: 1px solid rgba(37,99,168,.2);
  padding: .2rem .6rem;
  border-radius: 100px;
  margin-bottom: .8rem;
}
.blog-card h3 { margin-bottom: .6rem; font-size: 1.05rem; }
.blog-card p { font-size: .88rem; }
.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.2rem;
  font-size: .8rem;
  color: var(--gray-500);
}

/* ============================================================
   DISCLAIMER SECTION
   ============================================================ */
.disclaimer-section {
  background: linear-gradient(135deg, #fef9ec 0%, #fff8e1 100%);
  padding: 70px 0;
  border-top: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
}
.disclaimer-box {
  max-width: 780px;
  margin: 0 auto;
}
.disclaimer-header { margin-bottom: 1.4rem; }
.disclaimer-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 4px;
  margin-bottom: .8rem;
}
.disclaimer-box h2 { color: var(--navy); }
.disclaimer-box p {
  margin-top: .9rem;
  font-size: .95rem;
  color: var(--gray-800);
}
.disclaimer-box strong { color: var(--navy); }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto { background: var(--surface); }
.contacto-grid { align-items: start; }
.contacto-info h2 { margin-bottom: 1rem; }
.contacto-info p { margin-bottom: 1rem; }
.contact-notice {
  background: rgba(240,165,0,.12);
  border-left: 3px solid var(--accent);
  padding: .9rem 1rem;
  border-radius: 0 8px 8px 0;
  font-size: .85rem;
  color: var(--gray-800);
  margin-bottom: 1.2rem;
}
.contact-notice strong { color: var(--navy); }
.contacto-redes { font-size: .9rem; }
.contacto-redes strong { color: var(--blue-mid); }

/* Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.form-group {
  margin-bottom: 1.2rem;
}
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: .4rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--gray-800);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-mid);
  box-shadow: 0 0 0 3px rgba(37,99,168,.1);
}
.form-notice {
  background: var(--gray-100);
  border-radius: 6px;
  padding: .6rem .9rem;
  font-size: .78rem;
  color: var(--gray-600);
  margin-bottom: 1.2rem;
}
.form-success {
  margin-top: 1rem;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.3);
  color: #15803d;
  padding: .8rem 1rem;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 500;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 60px 0 40px;
}
.logo-footer span { color: rgba(255,255,255,.9); }
.logo-footer strong { color: var(--white); }
.logo-footer em { color: var(--accent-lt); }
.footer-brand p {
  font-size: .83rem;
  color: rgba(255,255,255,.5);
  margin-top: .9rem;
  line-height: 1.6;
}
.footer-links h4 {
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 1rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-links a {
  font-size: .86rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

/* Policies */
.policies-text {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.8rem 0;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.policies-text details {
  flex: 1;
  min-width: 280px;
}
.policies-text summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.policies-text summary::-webkit-details-marker { display: none; }
.policies-text summary h4 {
  font-family: var(--font-sans);
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  margin: 0;
}
.policies-text summary h4:hover { color: var(--white); }
.policies-text details[open] summary h4 { color: var(--accent-lt); }
.policies-text p {
  font-size: .78rem;
  color: rgba(255,255,255,.45);
  margin-top: .7rem;
  line-height: 1.6;
}

.footer-bottom {
  background: rgba(0,0,0,.35);
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-bottom p {
  font-size: .76rem;
  color: rgba(255,255,255,.4);
  text-align: center;
  line-height: 1.6;
  margin-bottom: .25rem;
}
.footer-bottom strong { color: rgba(255,255,255,.6); }

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--navy);
  border-top: 2px solid var(--accent);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner p {
  font-size: .83rem;
  color: rgba(255,255,255,.8);
  margin: 0;
}
.cookie-banner a { color: var(--accent-lt); text-decoration: underline; }
.cookie-banner button {
  background: var(--accent);
  color: var(--navy);
  border: none;
  padding: .45rem 1.2rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: .83rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition);
}
.cookie-banner button:hover { background: var(--accent-lt); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .guias-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  /* Nav mobile */
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 2px solid var(--border);
    box-shadow: var(--shadow-md);
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }

  /* Hero */
  .hero { padding: 70px 0 60px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 1.5rem; }

  /* Grid sections */
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .guias-grid { grid-template-columns: 1fr; }
  .recursos-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card-featured { grid-column: auto; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 1.8rem; }
  .policies-text { flex-direction: column; }

  /* Cookie banner */
  .cookie-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .section { padding: 60px 0; }
  .contact-form { padding: 1.6rem; }
  .recurso-card { flex-direction: column; gap: .8rem; }
}