/* ============================================================
   IMPACTA360 - CSS Principal
   ============================================================ */

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

:root {
  --primary:       #0F1E3D;
  --primary-light: #1a3060;
  --accent:        #06B6D4;
  --accent-dark:   #0891B2;
  --white:         #ffffff;
  --gray-50:       #f8fafc;
  --gray-100:      #f1f5f9;
  --gray-200:      #e2e8f0;
  --gray-400:      #94a3b8;
  --gray-600:      #475569;
  --gray-800:      #1e293b;
  --green-wa:      #25D366;
  --font-heading:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --radius:        0.75rem;
  --shadow:        0 4px 24px rgba(15,30,61,0.10);
  --shadow-lg:     0 8px 40px rgba(15,30,61,0.18);
  --transition:    0.25s ease;
  --container:     1200px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15, 30, 61, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(15, 30, 61, 0.98);
  box-shadow: var(--shadow);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1rem;
}

.navbar-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.875rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: rgba(6,182,212,0.08);
}

.navbar-actions { display: flex; align-items: center; gap: 0.75rem; }

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 0.5rem 1.125rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(6,182,212,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-dark {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-whatsapp {
  background: var(--green-wa);
  color: var(--white);
  border-color: var(--green-wa);
}
.btn-whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/hero-banner.png');
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,30,61,0.68);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 4rem 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6,182,212,0.15);
  border: 1px solid rgba(6,182,212,0.3);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 2rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.hero-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}
.hero-stat span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}
.hero-diagonal {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: var(--white);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* ============================================================
   SEÇÕES GERAIS
   ============================================================ */
section { padding: 5rem 0; }
.section-dark { background: var(--primary); color: var(--white); }
.section-gray { background: var(--gray-50); }
.section-accent { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: var(--white); }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 1rem;
  line-height: 1.2;
}
.section-dark .section-header h2,
.section-accent .section-header h2 { color: var(--white); }
.section-header p {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-header p,
.section-accent .section-header p { color: rgba(255,255,255,0.8); }

/* ============================================================
   CARDS
   ============================================================ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.75rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.card-body { padding: 1.75rem; }
.card-icon {
  width: 52px; height: 52px;
  background: rgba(6,182,212,0.1);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}
.card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 0.625rem;
}
.card p { font-size: 0.95rem; color: var(--gray-600); line-height: 1.65; }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--primary);
  padding: 2.5rem 0;
}
.stats-bar .grid-4 { align-items: center; }
.stat-item { text-align: center; }
.stat-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-item span { font-size: 0.875rem; color: rgba(255,255,255,0.75); }

/* ============================================================
   FORMULÁRIO DE CONTATO
   ============================================================ */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.4rem;
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 0.625rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(6,182,212,0.15);
}
textarea.form-control { resize: vertical; min-height: 130px; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.form-error { color: #ef4444; font-size: 0.8rem; margin-top: 0.25rem; }
.form-success {
  background: rgba(6,182,212,0.1);
  border: 1px solid var(--accent);
  color: var(--primary);
  padding: 1rem 1.25rem;
  border-radius: 0.625rem;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-card .card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}
.blog-category {
  background: rgba(6,182,212,0.1);
  color: var(--accent);
  padding: 0.2rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
}
.blog-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.blog-card p { font-size: 0.9rem; }
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: 1rem;
  transition: gap var(--transition);
}
.read-more:hover { gap: 0.6rem; }

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}
.testimonial-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 1rem; }
.testimonial-text { font-size: 0.95rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 1.5rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.875rem; }
.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.95rem; color: var(--gray-800); }
.testimonial-role { font-size: 0.8rem; color: var(--gray-400); }

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  width: 60px; height: 60px;
  background: var(--green-wa);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-wa 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
  animation: none;
}
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.7), 0 0 0 8px rgba(37,211,102,0.1); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.85);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { height: 40px; width: auto; margin-bottom: 1rem; }
.footer-desc { font-size: 0.9rem; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 1.5rem; }
.footer-stats { display: flex; gap: 1.5rem; }
.footer-stat strong { display: block; font-family: var(--font-heading); font-size: 1.4rem; color: var(--accent); }
.footer-stat span { font-size: 0.75rem; color: rgba(255,255,255,0.55); }
.footer-title { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1.25rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.625rem; }
.footer-links a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-contact { list-style: none; }
.footer-contact li { display: flex; align-items: flex-start; gap: 0.625rem; margin-bottom: 0.875rem; font-size: 0.9rem; color: rgba(255,255,255,0.65); }
.footer-contact a { color: rgba(255,255,255,0.65); text-decoration: none; transition: color var(--transition); }
.footer-contact a:hover { color: var(--accent); }
.footer-contact svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.mt-4 { margin-top: 1rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 0.825rem;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   UTILITÁRIOS
   ============================================================ */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(6,182,212,0.1);
  color: var(--accent);
}

/* ============================================================
   RESPONSIVIDADE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  section { padding: 3.5rem 0; }

  .navbar-nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    transform: translateY(-110%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .navbar-nav.open { transform: translateY(0); }
  .navbar-toggle { display: flex; }
  .navbar-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .navbar-toggle.open span:nth-child(2) { opacity: 0; }
  .navbar-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; display: none; }
  .nav-overlay.open { display: block; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .stats-bar .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stats-bar .grid-4 { grid-template-columns: repeat(2, 1fr); }
}