/* ==========================================================================
   JAF Digital — Stylesheet
   Estilo: moderno e minimalista
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-text: #16181d;
  --color-text-muted: #5b6270;
  --color-border: #e6e8ec;
  --color-accent: #2f6fed;
  --color-accent-dark: #1f4fc4;
  --color-accent-soft: #eaf0fe;
  --radius: 14px;
  --max-width: 1160px;
  --shadow-sm: 0 1px 2px rgba(16, 20, 30, 0.04);
  --shadow-md: 0 8px 24px rgba(16, 20, 30, 0.08);
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

section {
  padding: 96px 0;
}

@media (max-width: 640px) {
  section {
    padding: 64px 0;
  }
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.15rem; }

p {
  margin: 0 0 16px;
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.lead {
  font-size: 1.15rem;
}

/* Buttons ---------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Header / Nav ------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 800px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 24px 24px;
    gap: 18px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta .btn-primary {
    padding: 10px 18px;
    font-size: 0.85rem;
  }
}

/* Hero --------------------------------------------------------------------- */

.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -160px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--color-accent-soft) 0%, transparent 70%);
  z-index: -1;
}

.hero-content {
  max-width: 680px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 40px;
  margin-top: 64px;
}

.hero-stats .stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-text);
}

.hero-stats .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

@media (max-width: 560px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

/* Section header helper ----------------------------------------------------- */

.section-head {
  max-width: 620px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Services grid -------------------------------------------------------------- */

.bg-alt {
  background: var(--color-bg-alt);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: transparent;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.card p {
  margin-bottom: 0;
}

/* Process steps -------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  position: relative;
  padding-top: 8px;
}

.step-number {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

/* Values / About ------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.split-media {
  background: linear-gradient(155deg, var(--color-accent) 0%, #7fa5ff 100%);
  border-radius: 20px;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.4rem;
  text-align: center;
  padding: 40px;
}

.list-check {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.list-check li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text);
  font-weight: 500;
}

.list-check li::before {
  content: '✓';
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

/* Team ------------------------------------------------------------------------ */

.team-member {
  text-align: center;
}

.team-avatar {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.4rem;
  margin: 0 auto 16px;
}

.team-role {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
}

/* CTA band ---------------------------------------------------------------------- */

.cta-band {
  background: var(--color-text);
  color: #fff;
  border-radius: 24px;
  padding: 64px 48px;
  text-align: center;
}

.cta-band h2, .cta-band p {
  color: #fff;
}

.cta-band p {
  opacity: 0.75;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .btn-secondary {
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}

.cta-band .btn-secondary:hover {
  border-color: #fff;
  color: #fff;
}

@media (max-width: 640px) {
  .cta-band {
    padding: 48px 24px;
  }
}

/* Contact page ------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-info-item h3 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.contact-info-item p {
  margin-bottom: 0;
}

form.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.field input,
.field textarea,
.field select {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.field textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.form-success {
  display: none;
  background: #e8f7ed;
  border: 1px solid #bfe8cb;
  color: #1b7a3a;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-success.visible {
  display: block;
}

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: 32px;
}

.map-wrap iframe {
  width: 100%;
  height: 280px;
  border: 0;
  display: block;
}

/* Breadcrumb / page hero (inner pages) -------------------------------------------- */

.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.page-hero .eyebrow {
  margin-bottom: 10px;
}

.page-hero p {
  max-width: 620px;
}

/* Footer --------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 56px 0 32px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-grid h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: border-color var(--transition), color var(--transition);
}

.social-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Utility ---------------------------------------------------------------------------- */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* Reveal-on-scroll animation -----------------------------------------------------------
   Progressive enhancement: elements are fully visible by default (works with
   JS disabled / crawlers / screenshots). JS adds .reveal-pending only when it
   can also guarantee the .in-view swap via IntersectionObserver. */

.reveal {
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.reveal-pending {
  opacity: 0;
  transform: translateY(16px);
}

.reveal.reveal-pending.in-view {
  opacity: 1;
  transform: translateY(0);
}