:root {
  --bg: #04070f;
  --bg2: #081225;
  --primary: #00a8ff;
  --primary-2: #0066ff;
  --text: #f5f9ff;
  --muted: #9cb4d6;
  --card: rgba(8, 20, 45, 0.78);
  --border: rgba(64, 139, 255, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 5%, rgba(0, 123, 255, 0.2), transparent 30%),
    radial-gradient(circle at 10% 40%, rgba(0, 180, 255, 0.08), transparent 40%),
    linear-gradient(160deg, var(--bg), var(--bg2));
  scroll-behavior: smooth;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 99;
  backdrop-filter: blur(8px);
  background: rgba(2, 8, 18, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}


.brand-text h1 {
  margin: 0;
  line-height: 1;
  font-size: 1.35rem;
  letter-spacing: 1px;
}
.brand-text h1 span {
  color: var(--primary);
}
.brand-text p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
nav a {
  color: var(--text);
  text-decoration: none;
  opacity: 0.9;
}
nav a:hover {
  color: var(--primary);
}

.btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff !important;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 120, 255, 0.35);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-sm {
  padding: 9px 14px;
  font-size: 0.92rem;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 40px;
}
.glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(35px);
  opacity: 0.35;
}
.glow-1 {
  width: 380px;
  height: 380px;
  right: -100px;
  top: -80px;
  background: #00a8ff;
}
.glow-2 {
  width: 300px;
  height: 300px;
  left: -80px;
  bottom: -60px;
  background: #005eff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items: center;
}

.kicker {
  margin: 0 0 10px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

.hero h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.05;
}
.hero h2 span {
  color: var(--primary);
}
.subtitle {
  color: var(--muted);
  max-width: 620px;
  margin-top: 14px;
  font-size: 1.05rem;
}
.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.speed-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 25px 40px rgba(0, 0, 0, .35);
}
.speed-card > p {
  margin: 0 0 12px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 1.5px;
  font-size: .85rem;
}
.speed-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  justify-content: space-between;
  padding: 14px 10px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  margin-bottom: 10px;
  background: rgba(255,255,255,.02);
}
.speed-item strong {
  font-size: 2rem;
}
.speed-item span {
  color: var(--muted);
}
.speed-item b {
  color: var(--primary);
  font-size: 1.2rem;
}

h3 {
  margin-top: 0;
  text-align: center;
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.feature-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
}
.feature .icon {
  font-size: 1.8rem;
}
.feature h4 {
  margin: 10px 0 6px;
}
.feature p {
  margin: 0;
  color: var(--muted);
}

.promo-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  background: linear-gradient(145deg, rgba(0, 65, 145, .35), rgba(0, 146, 255, .2));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
}
.promo-card h3 {
  margin: 0 0 8px;
  text-align: left;
}
.promo-card p {
  margin: 0;
  color: var(--muted);
}

.plan-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.plan {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  position: relative;
}
.plan.featured {
  border: 1px solid #3bb0ff;
  box-shadow: 0 15px 40px rgba(0, 136, 255, .25);
}
.badge {
  position: absolute;
  right: 14px;
  top: 14px;
  background: rgba(0, 168, 255, .2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .75rem;
  color: #dff1ff;
}
.plan h4 {
  margin-top: 0;
  font-size: 1.25rem;
}
.speed {
  margin: 4px 0;
  font-size: 1.25rem;
}
.speed strong {
  font-size: 2.4rem;
  color: var(--primary);
}
.price {
  margin: 8px 0 12px;
  font-size: 1.9rem;
  font-weight: 800;
}
.price span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}
.plan ul {
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
}
.form {
  display: grid;
  gap: 10px;
}
.form input {
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 0 12px;
  color: white;
}
.form input::placeholder {
  color: #92aacf;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 30px;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
  color: var(--muted);
  font-size: .92rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-grid,
  .contact-box,
  .plan-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  nav a:not(.btn) {
    display: none;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}