:root {
  --bg-dark: #02050d;
  --bg-gradient: linear-gradient(135deg, rgba(18, 84, 171, 0.35), rgba(3, 14, 40, 0.95));
  --accent: #40a4ff;
  --accent-strong: #5a7fff;
  --text: #f6f8ff;
  --faint: rgba(255, 255, 255, 0.4);
  --card: rgba(4, 12, 26, 0.85);
  --border-glow: rgba(64, 164, 255, 0.45);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(64, 164, 255, 0.25), transparent 45%),
    radial-gradient(circle at 20% 10%, rgba(24, 60, 145, 0.55), transparent 40%),
    var(--bg-dark);
  color: var(--text);
}

a {
  color: inherit;
}

main {
  padding: 5rem 1.5rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(3, 5, 15, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  z-index: 20;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
}

nav {
  display: flex;
  gap: 1.4rem;
  font-size: 0.95rem;
}

nav a {
  position: relative;
  padding-bottom: 0.4rem;
  text-decoration: none;
  color: var(--faint);
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

nav a:hover::after {
  transform: scaleX(1);
}

.btn {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 0.55rem 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.section {
  margin-bottom: 3.5rem;
  padding: 2.5rem;
  background: var(--card);
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 25px 55px rgba(2, 6, 18, 0.9);
}

.hero {
  padding: 4rem 3rem;
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(6, 12, 34, 0.95), rgba(11, 34, 88, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 40px 70px rgba(1, 6, 24, 0.7);
  min-height: 360px;
  animation: fadeInUp 0.9s ease both;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 45%, rgba(64, 164, 255, 0.25), transparent 60%);
  pointer-events: none;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-lines {
  position: absolute;
  left: 60px;
  top: 25%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-lines span {
  width: 160px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(64, 164, 255, 0.6), transparent);
  animation: shimmer 3s infinite ease-in-out;
}

.hero h1 {
  font-size: clamp(2.7rem, 4vw, 3.8rem);
  margin: 0;
}

.hero-subtitle {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

.hero-benefits {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-benefits span {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
}

.hero-note {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.hero-lines {
  position: absolute;
  left: 60px;
  top: 25%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0.8;
}

.hero-lines span {
  width: 160px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(64, 164, 255, 0.6), transparent);
  animation: shimmer 3s infinite ease-in-out;
}


.section-heading h2 {
  margin: 0.3rem 0 0;
  font-size: 2.2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 0.65rem;
  color: var(--accent);
}

.neon-panel {
  border-image: linear-gradient(135deg, rgba(64, 164, 255, 0.9), rgba(91, 144, 255, 0.8)) 1;
  box-shadow: 0 20px 60px rgba(6, 10, 28, 0.9);
}

.feature-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.2rem;
}

.feature-grid article {
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(64, 164, 255, 0.4);
  background: rgba(3, 8, 24, 0.72);
  box-shadow: inset 0 0 20px rgba(64, 164, 255, 0.05);
  min-height: 200px;
}

.feature-grid h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--text);
}

.feature-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  animation: pulse 8s ease-in-out infinite;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 45px rgba(64, 164, 255, 0.45);
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(64, 164, 255, 0.2);
  pointer-events: none;
}

.feature-card {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.feature-pill {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(64, 164, 255, 0.1);
  box-shadow: inset 0 0 10px rgba(64, 164, 255, 0.2);
}

.tariffs {
  background: linear-gradient(120deg, rgba(4, 12, 32, 0.9), rgba(10, 27, 80, 0.9));
  border: 1px solid rgba(64, 164, 255, 0.7);
}

.pricing-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.pricing-card {
  padding: 1.8rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 8, 24, 0.85);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 220px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.pricing-card {
  animation: fadeInUp 0.9s ease forwards;
  opacity: 0;
}

.pricing-card h3 {
  margin: 0;
  font-size: 1.4rem;
}

.pricing-card p {
  margin: 0;
  color: var(--faint);
}

.pricing-card .price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.pricing-card button {
  margin-top: auto;
  border: none;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  background: var(--accent);
  color: #01030a;
  font-weight: 600;
  cursor: pointer;
}

.contact-form {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.section-divider {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin: 2rem auto;
}

.section-divider span {
  width: 120px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(64, 164, 255, 0.2), rgba(64, 164, 255, 1), rgba(64, 164, 255, 0.2));
  animation: shimmer 4s infinite ease-in-out;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--faint);
}

.contact-form input,
.contact-form textarea {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.85rem;
  background: rgba(2, 6, 18, 0.85);
  color: var(--text);
  font-size: 1rem;
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form button {
  grid-column: 1 / -1;
  border: none;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: linear-gradient(135deg, #40a4ff, #2a6eff);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes fadeInUp {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: inset 0 0 0 rgba(64, 164, 255, 0.05);
  }
  50% {
    box-shadow: inset 0 0 40px rgba(64, 164, 255, 0.08);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 0.5rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 2.5rem 1.5rem;
  }
}
