/* ============================================================
   DENUNCIA SECRETA — main.css
   Mobile-first, plain CSS, no frameworks
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --color-primary:     #1a3a5c;   /* Deep navy */
  --color-primary-dk:  #112840;
  --color-accent:      #0072ce;   /* Trust blue */
  --color-accent-lt:   #e8f3fb;
  --color-success:     #217a42;
  --color-text:        #1a1a2e;
  --color-text-muted:  #5a6070;
  --color-bg:          #ffffff;
  --color-bg-alt:      #f5f8fc;
  --color-border:      #dce4ed;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 28px rgba(0,0,0,.12);

  --container:  1140px;
  --header-h:   68px;
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: .5rem 1rem;
  z-index: 9999;
}
.skip-link:focus { top: 1rem; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-primary);
}
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: .75rem; }
h3 { font-size: 1.125rem; margin-bottom: .5rem; }
p  { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .5rem;
}
.section-intro {
  max-width: 640px;
  margin-bottom: 2.5rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}
.text-center { text-align: center; }
.text-center .section-intro { margin-inline: auto; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: #005bb5;
  border-color: #005bb5;
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-accent-lt);
  color: var(--color-accent);
}
.btn-sm { padding: .45rem 1rem; font-size: .85rem; }
.btn-full { width: 100%; }

/* ---- Section spacing ---- */
.section { padding-block: 4rem; }
.section-alt { background: var(--color-bg-alt); }
.section-cta { margin-top: 2.5rem; text-align: center; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: -.01em;
}
.logo-text strong { font-weight: 800; }

/* Nav toggle (mobile) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  z-index: 10;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 2px;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav */
.site-nav {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem 1.5rem;
  box-shadow: var(--shadow-md);
}
.site-nav.is-open { display: block; }
.site-nav ul { display: flex; flex-direction: column; gap: .25rem; }
.site-nav a {
  display: block;
  padding: .6rem .75rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--color-accent-lt);
  color: var(--color-accent);
  text-decoration: none;
}
.site-nav .btn { margin-top: .5rem; }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex !important;
    position: static;
    background: none;
    border: none;
    padding: 0;
    box-shadow: none;
  }
  .site-nav ul { flex-direction: row; align-items: center; gap: .25rem; }
  .site-nav a { padding: .4rem .6rem; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  padding-block: 5rem 4rem;
  text-align: center;
}
.hero h1 { color: #fff; max-width: 700px; margin-inline: auto; }
.hero .hero-lead {
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 2rem;
  font-size: 1.05rem;
  opacity: .9;
}
.hero .hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}
.hero .btn-secondary {
  color: #fff;
  border-color: rgba(255,255,255,.7);
}
.hero .btn-secondary:hover {
  background: rgba(255,255,255,.15);
  color: #fff;
}
.hero--inner { padding-block: 3.5rem 3rem; }
.hero--inner .section-label { color: rgba(255,255,255,.8); }
.hero--inner h1 { max-width: 600px; }

/* ============================================================
   FEATURES GRID
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 480px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .features-grid { grid-template-columns: repeat(4, 1fr); } }

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-card h3 { color: var(--color-primary); font-size: 1rem; }
.feature-card p  { font-size: .9rem; color: var(--color-text-muted); margin: 0; }

/* ============================================================
   CONTENT SECTIONS (alternating)
   ============================================================ */
.content-section-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 768px) {
  .content-section-inner { grid-template-columns: 1fr 1fr; }
  .content-section-inner--reverse .content-section-text { order: 2; }
  .content-section-inner--reverse .content-section-visual { order: 1; }
}

.benefit-list { display: flex; flex-direction: column; gap: .75rem; margin-top: 1.25rem; }
.benefit-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .25rem .75rem;
  align-items: baseline;
}
.benefit-list li strong {
  grid-column: 1 / -1;
  color: var(--color-primary);
  font-weight: 600;
}
.benefit-list li span {
  grid-column: 1 / -1;
  font-size: .9rem;
  color: var(--color-text-muted);
}

/* Visual card */
.visual-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--color-accent-lt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  color: var(--color-primary);
  font-weight: 600;
  min-height: 200px;
}
.visual-card--highlight { background: var(--color-primary); color: #fff; border-color: transparent; }
.visual-icon { width: 64px; height: 64px; color: var(--color-accent); }
.visual-icon svg { width: 100%; height: 100%; }
.visual-card--highlight .visual-icon { color: rgba(255,255,255,.8); }
.stat-big {
  font-size: 3.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.visual-card--highlight p { color: rgba(255,255,255,.9); font-size: 1rem; margin: 0; }

/* ============================================================
   STEPS GRID (homepage)
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (min-width: 480px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .steps-grid { grid-template-columns: repeat(4, 1fr); } }

.step-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.step-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: .75rem;
}
.step-card h3 { font-size: .95rem; }
.step-card p  { font-size: .875rem; color: var(--color-text-muted); margin: .25rem 0 0; }

/* ============================================================
   PROCESS STEPS (como-funciona)
   ============================================================ */
.process-steps {
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
  position: relative;
}
.process-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1.25rem;
  align-items: flex-start;
  padding-bottom: 2rem;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.process-step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.process-step-content h3 { margin-bottom: .25rem; font-size: 1.05rem; }
.process-step-content p  { color: var(--color-text-muted); font-size: .9rem; margin: 0; }
.process-summary {
  margin-top: 1rem;
  color: var(--color-text-muted);
  font-style: italic;
  max-width: 680px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item dt {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  background: var(--color-bg);
  color: var(--color-primary);
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item dt::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform var(--transition);
}
.faq-item.is-open dt { background: var(--color-accent-lt); }
.faq-item.is-open dt::after { transform: rotate(45deg); }
.faq-item dd {
  display: none;
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  font-size: .9rem;
  color: var(--color-text-muted);
}
.faq-item.is-open dd { display: block; }
.faq-item dd p, .faq-item dd ul { margin-bottom: .75rem; }
.faq-item dd ul { list-style: disc; padding-left: 1.25rem; }
.faq-item dd li { margin-bottom: .35rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .contact-inner { grid-template-columns: 1fr 1.2fr; align-items: start; }
}

.contact-text h2 { margin-bottom: 1rem; }
.contact-tagline { margin-top: 1rem; font-size: .95rem; }
.contact-email-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
  font-size: .95rem;
}

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-primary);
}
.form-group .optional { font-weight: 400; color: var(--color-text-muted); }
.form-group input,
.form-group textarea {
  padding: .6rem .85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,114,206,.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.contact-cta { text-align: center; }
.contact-cta h2 { margin-bottom: .5rem; }
.contact-cta p  { color: var(--color-text-muted); margin-bottom: 1.5rem; }

.form-status {
  margin-top: .5rem;
  padding: .65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  min-height: 1.5rem;
}
.form-status--ok  { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.form-status--err { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.8);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-block: 3rem;
}
@media (min-width: 640px) {
  .footer-inner { grid-template-columns: 1fr 1fr; align-items: start; }
}

.footer-brand .logo-text { color: #fff; font-size: 1.1rem; }
.footer-brand p { margin-top: .5rem; font-size: .875rem; }
.footer-email {
  display: inline-block;
  margin-top: .75rem;
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  font-weight: 500;
}
.footer-email:hover { color: #fff; text-decoration: underline; }

.footer-nav ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a {
  font-size: .875rem;
  color: rgba(255,255,255,.75);
  transition: color var(--transition);
}
.footer-nav a:hover { color: #fff; text-decoration: none; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-block: 1rem;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}

/* ============================================================
   404 PAGE
   ============================================================ */
.error-page { text-align: center; padding-block: 6rem; }
.error-code {
  font-size: 6rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1rem;
}
.error-page h1 { margin-bottom: .5rem; }
.error-page p  { color: var(--color-text-muted); margin-bottom: 2rem; }

/* ============================================================
   LANGUAGE SWITCHER
   ============================================================ */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: .3rem;
  margin-left: .5rem;
  padding-left: .75rem;
  border-left: 1px solid var(--color-border);
}
.lang-option {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  padding: .2rem .1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition);
}
.lang-option:hover { color: var(--color-accent); text-decoration: none; }
.lang-option--active {
  color: var(--color-accent);
  pointer-events: none;
}
.lang-divider {
  font-size: .75rem;
  color: var(--color-border);
  user-select: none;
}

@media (max-width: 767px) {
  .lang-switcher {
    border-left: none;
    padding-left: .75rem;
    margin-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: .5rem;
    margin-top: .25rem;
    width: 100%;
    justify-content: flex-start;
  }
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-container {
  max-width: 780px;
}
.legal-page h1 { margin-bottom: .25rem; }
.legal-updated {
  font-size: .85rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}
.legal-page h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
  margin-bottom: .5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.legal-page h2:first-of-type { margin-top: 1.5rem; padding-top: 0; border-top: none; }
.legal-page ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.legal-page li { margin-bottom: .35rem; }
.legal-back { margin-top: 3rem; }

/* ============================================================
   404 ENHANCEMENTS
   ============================================================ */
.error-subtitle {
  display: block;
  font-size: .6em;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: .25rem;
}
.error-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}