:root {
  --bg-1: #041327;
  --bg-2: #0a2340;
  --bg-3: #062a55;
  --accent: #35c9ff;
  --accent-2: #2a75ff;
  --accent-3: #66e3ff;
  --soft: #e6f5ff;
  --muted: #a6c4de;
  --card: rgba(8, 28, 56, 0.78);
  --card-border: rgba(80, 170, 255, 0.25);
  --shadow: 0 18px 45px rgba(2, 14, 30, 0.45);
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Montserrat", sans-serif;
  background: radial-gradient(1200px 800px at 15% 10%, rgba(82, 179, 255, 0.18), transparent 60%),
    radial-gradient(900px 700px at 85% 20%, rgba(60, 95, 255, 0.2), transparent 65%),
    linear-gradient(160deg, var(--bg-1) 10%, var(--bg-2) 55%, var(--bg-3) 100%);
  color: var(--soft);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-orbit {
  position: fixed;
  inset: -40% 0 0 -20%;
  background: radial-gradient(circle at center, rgba(53, 201, 255, 0.08), transparent 65%);
  filter: blur(10px);
  z-index: -2;
}

a {
  color: inherit;
  text-decoration: none;
}

section {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(3, 15, 30, 0.7);
  border-bottom: 1px solid rgba(80, 170, 255, 0.18);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #021126;
  font-family: "Bebas Neue", sans-serif;
  font-size: 28px;
  box-shadow: var(--shadow);
}

.logo-text {
  font-size: 20px;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #021126;
  box-shadow: 0 14px 30px rgba(36, 132, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.01);
}

.btn-ghost {
  border: 1px solid rgba(80, 170, 255, 0.4);
  color: var(--soft);
}

.btn-ghost:hover {
  background: rgba(80, 170, 255, 0.12);
}

main {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 90px 24px 40px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--accent-3);
  font-weight: 600;
}

.hero h1 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(44px, 6vw, 86px);
  line-height: 0.95;
  margin: 16px 0;
}

.hero h1 span {
  color: var(--accent-3);
}

.lead {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin: 26px 0 30px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 18px;
}

.hero-metrics div {
  background: rgba(6, 26, 52, 0.65);
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(80, 170, 255, 0.2);
}

.hero-metrics strong {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}

.hero-metrics span {
  font-size: 12px;
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 320px;
  display: grid;
  place-items: center;
  gap: 22px;
}

.floating-card {
  background: rgba(5, 24, 48, 0.8);
  border: 1px solid rgba(80, 170, 255, 0.25);
  padding: 26px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: min(360px, 90%);
  animation: float 6s ease-in-out infinite;
}

.floating-card h3 {
  font-family: "Bebas Neue", sans-serif;
  font-size: 36px;
  letter-spacing: 1px;
}

.floating-card p {
  margin: 8px 0 20px;
  color: var(--muted);
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-grid span {
  border: 1px solid rgba(80, 170, 255, 0.3);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--muted);
}

.cool-wave {
  position: absolute;
  inset: auto;
  width: 460px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(102, 227, 255, 0.35), transparent 60%);
  filter: blur(14px);
  z-index: -1;
  animation: pulse 8s ease-in-out infinite;
}

.hero-logo {
  width: min(360px, 92%);
  max-height: 220px;
  border-radius: 22px;
  border: 1px solid rgba(102, 227, 255, 0.4);
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(2, 16, 32, 0.45);
  z-index: 1;
}

.ozone-image {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(102, 227, 255, 0.35);
  margin: 16px 0 18px;
}

.image-caption {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-3);
  margin-bottom: 12px;
}

.image-placeholder {
  width: min(360px, 92%);
  height: 190px;
  border-radius: 20px;
  border: 1px dashed rgba(102, 227, 255, 0.55);
  background: linear-gradient(
      130deg,
      rgba(53, 201, 255, 0.12),
      rgba(10, 35, 64, 0.4)
    ),
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), transparent 55%);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.image-placeholder span {
  display: block;
}

.image-placeholder.wide {
  width: 100%;
  height: 220px;
  margin-bottom: 24px;
}

.image-placeholder.small {
  width: 100%;
  height: 140px;
  margin: 16px 0 18px;
}

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

.section-header {
  margin-bottom: 30px;
  max-width: 720px;
}

.section-header h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted);
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 20px;
}

.services {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.audience {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.plans {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  padding: 22px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(102, 227, 255, 0.55);
}

.card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.card p {
  color: var(--muted);
  line-height: 1.6;
}

.highlight {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  background: linear-gradient(140deg, rgba(16, 60, 110, 0.8), rgba(5, 28, 60, 0.8));
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid rgba(80, 170, 255, 0.25);
}

.highlight-content h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(34px, 4vw, 56px);
}

.highlight-content p {
  margin: 12px 0;
  color: var(--muted);
  line-height: 1.7;
}

.highlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.highlight-tags span {
  background: rgba(53, 201, 255, 0.15);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
}

.highlight-panel {
  background: rgba(4, 18, 36, 0.8);
  padding: 26px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(80, 170, 255, 0.3);
}

.highlight-panel h3 {
  font-size: 26px;
  margin-bottom: 8px;
}

.highlight-panel ul {
  list-style: none;
  margin-top: 14px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.highlight-panel li::before {
  content: "•";
  color: var(--accent-3);
  margin-right: 8px;
}

.plan {
  display: grid;
  gap: 8px;
  position: relative;
}

.plan-tag {
  font-size: 12px;
  color: var(--accent-3);
}

.plan.featured {
  border-color: rgba(102, 227, 255, 0.6);
  background: linear-gradient(140deg, rgba(21, 90, 140, 0.8), rgba(7, 30, 60, 0.8));
}

.steps {
  background: rgba(5, 22, 44, 0.55);
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(80, 170, 255, 0.2);
}

.steps-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.step {
  background: rgba(4, 18, 36, 0.6);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid rgba(80, 170, 255, 0.2);
}

.step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #021126;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 10px;
}

.faq {
  display: grid;
  gap: 24px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq details {
  background: var(--card);
  padding: 18px 22px;
  border-radius: 16px;
  border: 1px solid var(--card-border);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.cta {
  margin: 0 auto 60px;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(52, 160, 240, 0.25), rgba(3, 20, 42, 0.85));
  border: 1px solid rgba(80, 170, 255, 0.25);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

.cta-content h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(32px, 4vw, 50px);
}

.cta-content p {
  color: var(--muted);
  line-height: 1.6;
  max-width: 540px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  padding: 30px 24px 50px;
  border-top: 1px solid rgba(80, 170, 255, 0.15);
  max-width: 1200px;
  margin: 0 auto;
  color: var(--muted);
}

.footer h3 {
  font-family: "Bebas Neue", sans-serif;
  font-size: 26px;
  color: var(--soft);
}

.particle {
  position: fixed;
  pointer-events: none;
  z-index: 5;
  opacity: 0.8;
  filter: blur(0.2px);
  animation: drift 1.8s ease-out forwards;
}

.particle.wind {
  width: 50px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
}

.particle.drop {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
}

.particle.snow {
  width: 10px;
  height: 10px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 30%, rgba(255, 255, 255, 0) 70%);
}

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

@keyframes pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.03);
    opacity: 0.8;
  }
  100% {
    transform: scale(0.95);
    opacity: 0.5;
  }
}

@keyframes drift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.9;
  }
  100% {
    transform: translate(80px, -40px) scale(0.4);
    opacity: 0;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 70px;
  }

  .cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 22px;
  }

  .logo-text {
    font-size: 18px;
  }

  .nav .btn {
    width: 100%;
  }

  .hero {
    padding: 60px 18px 30px;
  }

  .hero h1 {
    font-size: clamp(38px, 10vw, 58px);
  }

  .hero-visual {
    order: -1;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    width: 100%;
    max-height: 200px;
  }

  .floating-card {
    width: 100%;
  }

  .section {
    padding: 0 18px;
  }

  .image-placeholder.wide {
    height: 170px;
  }

  .highlight {
    padding: 28px;
    border-radius: 20px;
  }

  .highlight-panel {
    padding: 20px;
  }

  .steps {
    padding: 30px 18px;
  }

  .step {
    padding: 16px;
  }

  .cta {
    padding: 28px 18px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer {
    padding: 24px 18px 40px;
  }
}

@media (max-width: 420px) {
  .nav {
    padding: 14px 18px;
  }

  .btn {
    padding: 11px 18px;
  }

  .hero h1 {
    font-size: clamp(34px, 11vw, 50px);
  }

  .lead {
    font-size: 15px;
  }

  .section-header h2 {
    font-size: clamp(28px, 8vw, 42px);
  }

  .card {
    padding: 18px 20px;
  }

  .highlight {
    padding: 24px 20px;
  }

  .ozone-image {
    max-height: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .floating-card,
  .cool-wave,
  .particle {
    animation: none !important;
  }
}