/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #0a0f1e;
  --primary-light: #111827;
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --accent2: #f97316;
  --green: #10b981;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #0f172a;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.55);
  --radius: 14px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(14,165,233,0.35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(14,165,233,0.5);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
.btn-full { width: 100%; justify-content: center; }
.btn-nav {
  background: var(--accent);
  color: var(--white);
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s, transform 0.2s;
}
.btn-nav:hover { background: var(--accent-dark); transform: translateY(-1px); }

/* =========================================
   SECTION HEADERS
   ========================================= */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  background: rgba(14,165,233,0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-header p {
  font-size: 17px;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto;
}

/* =========================================
   NAVBAR
   ========================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,15,30,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: box-shadow 0.3s;
}
#header.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,0.3); }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}
.logo i { color: var(--accent); font-size: 24px; }
.logo strong { color: var(--accent); }

.nav-links { display: flex; gap: 8px; }
.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 22px;
  cursor: pointer;
}

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #000000 0%, #0a0f1e 50%, #000d1a 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(249,115,22,0.07) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  flex: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14,165,233,0.12);
  border: 1px solid rgba(14,165,233,0.3);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.hero-content h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-content h1 span { color: var(--accent); }
.hero-content > p {
  font-size: 18px;
  color: rgba(255,255,255,0.72);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; }
.stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}
.stat span { font-size: 14px; color: rgba(255,255,255,0.55); }

.hero-image {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(14,165,233,0.25);
  backdrop-filter: blur(16px);
  border-radius: 24px;
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--white);
  animation: float 4s ease-in-out infinite;
}
.hero-card i {
  font-size: 64px;
  color: var(--accent);
}
.hero-card span {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.8);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* =========================================
   SERVICES
   ========================================= */
.services {
  padding: 96px 0;
  background: var(--bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.25s, box-shadow 0.25s;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.service-icon.ti       { background: rgba(14,165,233,0.12); color: var(--accent); }
.service-icon.eletrica { background: rgba(249,115,22,0.12); color: var(--accent2); }
.service-icon.ar       { background: rgba(99,102,241,0.12); color: #6366f1; }
.service-icon.hidro    { background: rgba(16,185,129,0.12); color: var(--green); }
.service-icon.telecom  { background: rgba(245,158,11,0.12); color: #f59e0b; }
.service-icon.obras    { background: rgba(239,68,68,0.12);  color: #ef4444; }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.service-card > p {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.6;
}
.service-card ul { display: flex; flex-direction: column; gap: 8px; }
.service-card ul li {
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-card ul li i { color: var(--green); font-size: 12px; }

/* =========================================
   WHY US
   ========================================= */
.why-us {
  padding: 96px 0;
  background: var(--white);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-content .section-tag { margin-bottom: 12px; }
.why-content h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.why-content > p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 36px;
}
.why-items { display: flex; flex-direction: column; gap: 24px; }
.why-item { display: flex; gap: 20px; align-items: flex-start; }
.why-icon {
  width: 48px; height: 48px;
  background: rgba(14,165,233,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
}
.why-item h4 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.why-item p  { font-size: 14px; color: var(--text-light); }

.why-card-big {
  background: linear-gradient(135deg, #0a0f1e 0%, #0f172a 100%);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(14,165,233,0.15);
}
.why-card-big i {
  font-size: 72px;
  color: var(--accent);
  margin-bottom: 24px;
  display: block;
}
.why-card-big h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.why-card-big p  { color: rgba(255,255,255,0.65); font-size: 15px; }

/* =========================================
   ABOUT
   ========================================= */
.about {
  padding: 96px 0;
  background: var(--bg);
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.25s;
}
.about-card:hover { transform: translateY(-4px); }
.about-card i {
  font-size: 40px;
  color: var(--accent);
  margin-bottom: 20px;
  display: block;
}
.about-card h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.about-card p  { font-size: 15px; color: var(--text-light); line-height: 1.7; }

/* =========================================
   CONTACT
   ========================================= */
.contact {
  padding: 96px 0;
  background: var(--bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 48px; height: 48px;
  background: rgba(14,165,233,0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item h4 { font-size: 15px; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.contact-item p  { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }

.social-links { display: flex; gap: 12px; margin-top: 8px; }
.social-btn {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: background 0.2s, transform 0.2s;
}
.social-btn:hover { background: var(--accent); transform: translateY(-2px); }

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}
.form-group textarea { resize: vertical; }
.form-consent { margin-bottom: 20px; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-weight: 400 !important; }
.consent-label input[type="checkbox"] { margin-top: 3px; flex-shrink: 0; accent-color: var(--accent); width: 16px; height: 16px; }
.consent-label span { font-size: 13px; color: var(--text-light); line-height: 1.5; }
.consent-label a { color: var(--accent); text-decoration: underline; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--green);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  margin-top: 16px;
}
.form-success.show { display: flex; }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: #000000;
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 260px; }
.footer-links h4 { color: var(--white); font-size: 15px; font-weight: 700; margin-bottom: 20px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links ul li {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}
.footer-links ul li a { transition: color 0.2s; }
.footer-links ul li a:hover,
.footer-links ul li:hover { color: var(--accent); }
.footer-links ul li i { color: var(--accent); font-size: 13px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* =========================================
   FLOATING BUTTONS
   ========================================= */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}

.back-to-top {
  position: fixed;
  bottom: 90px; right: 24px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  z-index: 999;
  box-shadow: var(--shadow);
  transition: background 0.2s, transform 0.2s;
}
.back-to-top:hover { background: var(--accent); transform: translateY(-2px); }
.back-to-top.show { display: flex; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-image { order: -1; }
  .why-card-big { padding: 40px 32px; }
  .hero-image { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .menu-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--primary);
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .hero { text-align: center; padding: 100px 24px 60px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; gap: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 36px; }
  .hero-stats { gap: 24px; }
  .contact-form { padding: 24px; }
}

/* =========================================
   HONEYPOT ANTI-BOT
   ========================================= */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* =========================================
   PRIVACY PAGE
   ========================================= */
.privacy-page {
  padding: 120px 0 80px;
  background: var(--white);
  min-height: 100vh;
}
.privacy-page h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
.privacy-page .subtitle {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 48px;
}
.privacy-section { margin-bottom: 40px; }
.privacy-section h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(14,165,233,0.15);
}
.privacy-section p,
.privacy-section li {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 8px;
}
.privacy-section ul { padding-left: 20px; list-style: disc; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 40px;
  transition: opacity 0.2s;
}
.back-link:hover { opacity: 0.75; }
.privacy-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
}