:root {
  --navy: #03111d;
  --deep-navy: #061827;
  --teal: #12a0a4;
  --soft-teal: #9be2e2;
  --white: #ffffff;
  --muted: rgba(255,255,255,.78);
  --card: rgba(255,255,255,.08);
  --card-strong: rgba(255,255,255,.12);
  --border: rgba(255,255,255,.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--white);
  line-height: 1.6;
  background:
    radial-gradient(circle at 15% 10%, rgba(18,160,164,.28), transparent 26%),
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.10), transparent 24%),
    linear-gradient(135deg, #020b13 0%, #061827 42%, #07343b 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 82%);
}

.hero {
  min-height: 640px;
  padding: 28px 7vw 90px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -140px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18,160,164,.22), transparent 68%);
}

.nav {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  backdrop-filter: blur(14px);
}

.brand {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: .03em;
}

.nav-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  opacity: .9;
}

.intro {
  position: relative;
  z-index: 1;
  max-width: 960px;
  padding-top: 105px;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  font-size: .78rem;
  letter-spacing: .16em;
  font-weight: 900;
  color: var(--soft-teal);
}

h1, h2, h3 { line-height: 1.12; margin: 0; }

h1 {
  font-size: clamp(2.75rem, 6vw, 5.4rem);
  max-width: 1040px;
  letter-spacing: -.04em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -.03em;
}

h3 { font-size: 1.25rem; }

.intro-text {
  max-width: 740px;
  font-size: 1.18rem;
  margin: 26px 0 34px;
  color: var(--muted);
}

.button {
  display: inline-block;
  background: linear-gradient(135deg, #12a0a4, #0c7177);
  color: var(--white);
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: 0 16px 36px rgba(0,0,0,.28);
}

.section {
  padding: 86px 7vw;
  position: relative;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p:not(.eyebrow) { color: var(--muted); }

.video-grid,
.pricing-grid,
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.video-card,
.price-card,
.requirement-card,
.contact-card {
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 24px;
  background: var(--card);
  box-shadow: 0 18px 50px rgba(0,0,0,.20);
  backdrop-filter: blur(16px);
}

.featured-video { grid-column: span 2; }

.video-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  border-radius: 20px;
  background: #020b13;
  margin-bottom: 22px;
  border: 1px solid var(--border);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.placeholder {
  display: grid;
  place-items: center;
  min-height: 210px;
  margin-bottom: 22px;
  border-radius: 20px;
  border: 2px dashed rgba(255,255,255,.25);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-weight: 900;
}

.pricing-section {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(18,160,164,.08));
}

.price-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.price-card.highlight {
  border-color: rgba(155,226,226,.70);
  background: linear-gradient(180deg, rgba(18,160,164,.22), rgba(255,255,255,.08));
}

.price {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--soft-teal);
  margin: 0;
}

.price span {
  display: block;
  font-size: .95rem;
  color: var(--muted);
  font-weight: 800;
}

.price-card p:last-child,
.video-card p,
.requirement-card li,
.split p,
.contact-card p { color: var(--muted); }

.requirement-card ul {
  margin: 18px 0 0;
  padding-left: 20px;
}

.about-section {
  background: rgba(0,0,0,.16);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 34px;
  background: var(--card);
  backdrop-filter: blur(16px);
}

.contact-section { padding-bottom: 100px; }

.contact-card {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  background: var(--card-strong);
}

footer {
  padding: 28px 7vw;
  text-align: center;
  background: rgba(0,0,0,.28);
  color: rgba(255,255,255,.72);
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    border-radius: 24px;
  }
  .video-grid,
  .pricing-grid,
  .requirements-grid,
  .split { grid-template-columns: 1fr; }
  .featured-video { grid-column: span 1; }
  .intro { padding-top: 80px; }
}