/* ============================================
   À Frente Soluções — Design System
   ============================================ */

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

@font-face {
  font-family: 'LT Aspirer Neue';
  src: url('../fonts/LTAspirerNeue-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --dark: #333333;
  --dark-2: #262626;
  --dark-3: #1c1c1c;
  --amber: #FFAA00;
  --amber-dark: #E09400;
  --white: #FFFFFF;
  --bg-light: #F7F7F5;
  --bg-light-2: #F0EFEC;
  --border: #E6E4DF;
  --text: #333333;
  --text-secondary: #6B6B6B;
  --text-on-dark: #FFFFFF;
  --text-on-dark-secondary: #B9B9B9;

  --font-body: 'Montserrat', -apple-system, Segoe UI, sans-serif;
  --font-display: 'LT Aspirer Neue', 'Montserrat', -apple-system, Segoe UI, sans-serif;

  --container: 1180px;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.16);

  --arrow-pattern: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpolygon points='49,0 120,0 120,72 72,120 72,48 0,48' fill='%23ffffff' fill-opacity='0.045'/%3E%3C/svg%3E");
  --arrow-pattern-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpolygon points='49,0 120,0 120,72 72,120 72,48 0,48' fill='%23333333' fill-opacity='0.05'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}
.eyebrow.on-dark { color: var(--amber); }

.section { padding: 88px 0; }
.section--sm { padding: 56px 0; }
.section--light { background: var(--bg-light); }
.section--dark {
  background: var(--dark) var(--arrow-pattern);
  color: var(--text-on-dark);
}
.section--dark h2, .section--dark h3 { color: var(--white); }
.section--dark p { color: var(--text-on-dark-secondary); }

.section-head { max-width: 640px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--amber); color: var(--dark); }
.btn-primary:hover { background: var(--amber-dark); box-shadow: 0 10px 24px rgba(255,170,0,0.35); }
.btn-outline-dark { border-color: var(--dark); color: var(--dark); background: transparent; }
.btn-outline-dark:hover { background: var(--dark); color: var(--white); }
.btn-outline-light { border-color: rgba(255,255,255,0.5); color: var(--white); background: transparent; }
.btn-outline-light:hover { background: var(--white); color: var(--dark); border-color: var(--white); }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1DAE54; box-shadow: 0 10px 24px rgba(37,211,102,0.35); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand img { height: 34px; width: auto; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a.nav-link {
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav a.nav-link:hover { background: var(--bg-light-2); }
.nav a.nav-link.active { color: var(--amber-dark); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; }

/* Hero */
.hero {
  position: relative;
  background: var(--dark) var(--arrow-pattern);
  color: var(--white);
  overflow: hidden;
  padding: 110px 0 100px;
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 480px;
  height: 480px;
  background: var(--amber);
  opacity: 0.12;
  clip-path: polygon(41% 0, 100% 0, 100% 60%, 60% 100%, 60% 40%, 0 40%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-inner { max-width: 760px; }
.hero h1 { color: var(--white); }
.hero h1 .accent { color: var(--amber); }
.hero-sub { font-size: 1.1rem; color: var(--text-on-dark-secondary); max-width: 600px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.14);
  max-width: 760px;
}
.hero-stats .stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--amber);
}
.hero-stats .stat span { font-size: 0.85rem; color: var(--text-on-dark-secondary); }

/* Page header (inner pages) */
.page-header {
  background: var(--dark) var(--arrow-pattern);
  color: var(--white);
  padding: 64px 0 56px;
}
.page-header h1 { color: var(--white); margin-bottom: 8px; }
.breadcrumb { font-size: 0.85rem; color: var(--text-on-dark-secondary); }
.breadcrumb a:hover { color: var(--amber); }

/* Cards */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }

.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(255,170,0,0.12);
  color: var(--amber-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.icon-badge svg { width: 26px; height: 26px; }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  color: var(--text-secondary);
}
.check-list li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--amber-dark);
}

/* Service pillar block */
.pillar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0;
}
.pillar:not(:last-child) { border-bottom: 1px solid var(--border); }
.pillar.reverse .pillar-visual { order: 2; }
.pillar-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: var(--dark) var(--arrow-pattern);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pillar-visual .pillar-number {
  font-family: var(--font-display);
  font-size: 6rem;
  color: rgba(255,170,0,0.9);
}
.pillar-tag {
  display: inline-block;
  background: rgba(255,170,0,0.12);
  color: var(--amber-dark);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step .step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--border);
  -webkit-text-stroke: 1px var(--dark);
  color: transparent;
  display: block;
  margin-bottom: 12px;
}

/* Values */
.value-card { text-align: left; }

/* CTA banner */
.cta-banner {
  background: var(--dark) var(--arrow-pattern);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  color: var(--white);
}
.cta-banner h2 { color: var(--white); margin-bottom: 8px; }
.cta-banner p { margin: 0; }
.cta-banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Segments grid (cases page) */
.segment-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.segment-card .icon-badge { margin-bottom: 0; }

.map-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.map-stats .stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--amber-dark);
}
.map-stats .stat span { font-size: 0.85rem; color: var(--text-secondary); }

.case-card { display: flex; flex-direction: column; }
.case-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.case-card-head .pillar-tag { margin-bottom: 0; }
.case-uf {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}
.case-card h3 { margin-bottom: 6px; }
.case-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  margin-top: 8px;
  border-top: 1px solid var(--border);
}
.case-meta strong { font-family: var(--font-display); font-size: 1.1rem; }
.case-meta span { font-size: 0.82rem; color: var(--text-secondary); }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  background: var(--dark) var(--arrow-pattern);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-info-card h3 { color: var(--white); }
.contact-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.contact-row:first-of-type { border-top: none; }
.contact-row .icon-badge {
  background: rgba(255,170,0,0.18);
  margin-bottom: 0;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}
.contact-row .icon-badge svg { width: 20px; height: 20px; }
.contact-row a:hover { color: var(--amber); }
.contact-row .label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-on-dark-secondary); margin-bottom: 2px; }

.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-light);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: var(--white);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.8rem; color: var(--text-secondary); margin-top: 14px; }

.map-embed {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 24px;
}
.map-embed iframe { width: 100%; height: 300px; border: 0; display: block; }

/* Footer */
.site-footer {
  background: var(--dark-3);
  color: var(--text-on-dark-secondary);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-grid img { height: 30px; margin-bottom: 16px; }
.footer-grid h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 18px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--amber); }
.footer-desc { font-size: 0.9rem; max-width: 280px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.footer-social a:hover { background: var(--amber); border-color: var(--amber); color: var(--dark); }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

/* WhatsApp floating button */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  z-index: 90;
  transition: transform 0.15s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* Utilities */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Responsive */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pillar { grid-template-columns: 1fr; gap: 32px; }
  .pillar.reverse .pillar-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .map-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav, .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .site-header.open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    gap: 2px;
  }
  .site-header.open .nav a.nav-link { width: 100%; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .hero-stats .stat b { font-size: 1.3rem; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner { padding: 36px 24px; text-align: center; justify-content: center; }
  .cta-banner-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .map-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
}