:root {
  --primary: #6d5efc;
  --primary-dark: #4f46e5;
  --secondary: #00c2ff;
  --accent: #22d3ee;
  --dark: #0b1020;
  --dark-2: #131a2e;
  --text: #1f2937;
  --muted: #6b7280;
  --light: #f8fafc;
  --card-border: rgba(255, 255, 255, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.65;
}

.section-padding { padding: 90px 0; }
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-subtitle { color: var(--muted); max-width: 720px; }

.navbar {
  transition: all 0.3s ease;
  padding: 1rem 0;
}
.navbar-brand {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.3px;
}
.navbar.scrolled {
  background: rgba(11, 16, 32, 0.94) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  backdrop-filter: blur(8px);
}
.nav-link { font-weight: 500; }

.btn-primary-custom,
.btn-outline-custom {
  border-radius: 999px;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  transition: all 0.25s ease;
}
.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.35);
  color: #fff;
}
.btn-outline-custom {
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline-custom:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.hero {
  min-height: 88vh;
  background: radial-gradient(circle at 20% 10%, #253268 0%, transparent 45%),
              radial-gradient(circle at 80% 20%, #1b5f88 0%, transparent 40%),
              linear-gradient(135deg, #0b1020, #121c3f 52%, #102945 100%);
  color: #fff;
  padding-top: 130px;
  position: relative;
  overflow: hidden;
}
.hero h1 {
  font-weight: 800;
  line-height: 1.18;
  font-size: clamp(2rem, 5vw, 3.4rem);
}
.hero p { color: rgba(255,255,255,0.85); max-width: 620px; }
.hero-visual {
  min-height: 360px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,255,255,0.05));
  border: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  position: relative;
}
.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}
.hero-visual::before {
  width: 160px; height: 160px;
  background: rgba(34, 211, 238, 0.35);
  top: 20px; left: 22px;
}
.hero-visual::after {
  width: 120px; height: 120px;
  background: rgba(109, 94, 252, 0.5);
  right: 32px; bottom: 24px;
}

.intro-strip {
  background: #0f172a;
  color: rgba(255,255,255,0.9);
  padding: 1.2rem 0;
  font-weight: 500;
}

.card-premium {
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}
.card-premium:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 38px rgba(15, 23, 42, 0.18);
}
.glass-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.24), rgba(255,255,255,0.1));
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}
.icon-badge {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(109,94,252,0.16), rgba(0,194,255,0.16));
  color: var(--primary-dark);
  font-size: 1.35rem;
}

.light-section { background: var(--light); }
.dark-cta {
  background: linear-gradient(135deg, #0b1020, #18254b);
  color: #fff;
}
.dark-cta p { color: rgba(255,255,255,0.85); }

.list-check li {
  margin-bottom: 0.55rem;
}
.list-check li::marker { color: var(--primary-dark); }

.footer {
  background: #0a0f1f;
  color: rgba(255,255,255,0.75);
  padding: 70px 0 20px;
}
.footer a {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
}
.footer a:hover { color: #fff; }

.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.35);
  z-index: 1050;
  transition: transform 0.2s ease;
}
.floating-whatsapp:hover { transform: translateY(-3px); color: #fff; }

.page-hero {
  padding: 150px 0 80px;
  background: linear-gradient(135deg, #0b1020, #16254d);
  color: #fff;
}
.page-hero p { color: rgba(255,255,255,0.82); max-width: 700px; }

.form-control, .form-select {
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 90px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #111827;
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1040;
  text-decoration: none;
}
.back-to-top.show { display: flex; }

@media (max-width: 991px) {
  .section-padding { padding: 72px 0; }
  .hero { min-height: auto; padding-top: 120px; padding-bottom: 80px; }
}