:root {
  --primary: #06106b;
  --secondary: #0b177e;
  --accent: #9cff1a;
  --accent-dark: #6bbf00;
  --white: #ffffff;
  --dark: #111827;
  --muted: #6b7280;
  --light: #f5f7fb;
}

* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: var(--white);
}

.navbar {
  background: rgba(3, 8, 70, 0.94);
  box-shadow: 0 4px 18px rgba(0,0,0,.25);
}

.logo-nav {
  width: 56px;
  height: 42px;
  object-fit: cover;
  border-radius: 8px;
}

.navbar-brand span {
  font-weight: 800;
  letter-spacing: .5px;
}

.nav-link {
  font-weight: 600;
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
}

.btn-whatsapp:hover {
  background: #1ebe5d;
  color: #fff;
}

.hero {
  position: relative;
  min-height: 100vh;
  color: var(--white);
  background:
    radial-gradient(circle at 10% 20%, rgba(156,255,26,.2), transparent 30%),
    linear-gradient(135deg, #03084a 0%, #07147a 45%, #02051f 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero .overlay {
  position: absolute;
  inset: 0;
  background: url("../img/logo-insetflexprag.jpg") no-repeat right 8% center;
  background-size: 520px;
  opacity: .07;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 900;
  line-height: 1.05;
}

.hero .lead {
  font-size: 1.2rem;
  max-width: 650px;
  color: #e5e7eb;
}

.badge-custom,
.subtitle {
  display: inline-block;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.badge-custom {
  padding: 9px 16px;
  border: 1px solid rgba(156,255,26,.45);
  border-radius: 999px;
  background: rgba(156,255,26,.08);
}

.btn-primary-custom {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #07124f;
  border: 0;
  font-weight: 800;
  border-radius: 999px;
  padding-left: 28px;
  padding-right: 28px;
  box-shadow: 0 10px 24px rgba(156,255,26,.25);
}

.btn-primary-custom:hover {
  color: #07124f;
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.hero-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 28px;
  padding: 26px;
  backdrop-filter: blur(8px);
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}

.section {
  padding: 90px 0;
}

.bg-light {
  background: var(--light) !important;
}

.section h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 900;
  color: var(--primary);
}

.section-desc {
  max-width: 650px;
  margin: 0 auto;
  color: var(--muted);
}

.feature-box,
.service-card,
.contact-form {
  height: 100%;
  background: #fff;
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 14px 34px rgba(6,16,107,.08);
  border: 1px solid rgba(6,16,107,.08);
  transition: .25s ease;
}

.feature-box:hover,
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px rgba(6,16,107,.14);
}

.feature-box i,
.service-card i {
  font-size: 42px;
  color: var(--accent-dark);
  margin-bottom: 16px;
  display: inline-block;
}

.feature-box h5,
.service-card h5 {
  color: var(--primary);
  font-weight: 800;
}

.feature-box p,
.service-card p,
.about p,
.contact p {
  color: var(--muted);
}

.about-img {
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(6,16,107,.18);
  border: 8px solid #fff;
}

.check-list {
  padding: 0;
  margin: 25px 0 0;
  list-style: none;
}

.check-list li {
  margin-bottom: 12px;
  font-weight: 700;
}

.check-list i {
  color: var(--accent-dark);
  margin-right: 8px;
}

.gallery-placeholder {
  min-height: 230px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(6,16,107,.9), rgba(8,22,140,.82)),
    radial-gradient(circle at 20% 30%, rgba(156,255,26,.3), transparent 35%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(6,16,107,.18);
}

.cta-section {
  padding: 80px 0;
  color: var(--white);
  background: linear-gradient(135deg, #03084a, #06106b);
}

.cta-section h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
  font-weight: 900;
}

.cta-section p {
  color: #d1d5db;
  font-size: 1.15rem;
}

.contact-info {
  margin-top: 28px;
}

.contact-info p {
  margin-bottom: 14px;
}

.contact-info i {
  color: var(--accent-dark);
  margin-right: 8px;
}

.contact-form label {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-control {
  border-radius: 14px;
  padding: 13px 15px;
  border: 1px solid #d7dce8;
}

.form-control:focus {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 .2rem rgba(156,255,26,.18);
}

.footer {
  padding: 48px 0;
  background: #02051f;
  color: #fff;
}

.footer-logo {
  width: 190px;
  border-radius: 14px;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  z-index: 999;
  box-shadow: 0 12px 28px rgba(0,0,0,.28);
  text-decoration: none;
}

.whatsapp-float:hover {
  color: #fff;
  background: #1ebe5d;
}

@media (max-width: 991px) {
  .hero {
    text-align: center;
  }

  .hero .lead {
    margin-left: auto;
    margin-right: auto;
  }

  .navbar .btn-whatsapp {
    margin-top: 12px;
    display: inline-flex;
    justify-content: center;
  }

  .section {
    padding: 70px 0;
  }
}