:root {
  --bg: #0f1418;
  --bg-top: #151c21;
  --bg-bottom: #0a0f13;
  --glow: rgba(120, 190, 255, 0.12);
  --text: #e8f1f7;
  --text-soft: #b7c6d2;
  --text-muted: #7f8f9b;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 20px 44px rgba(0, 0, 0, 0.25);
}

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

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at 18% 16%, var(--glow), transparent 30%),
    radial-gradient(circle at 82% 22%, rgba(120, 190, 255, 0.08), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 52%, var(--bg-bottom) 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  width: min(980px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 28px;
}

.logo {
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.container {
  width: min(980px, calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(40px, 8vh, 84px) 0 72px;
  flex: 1;
  display: grid;
  align-content: center;
  gap: 44px;
}

.intro {
  max-width: 34rem;
}

.eyebrow {
  margin-bottom: 18px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.intro h1 {
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.06;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--text);
}

.lead {
  max-width: 28rem;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  color: var(--text-soft);
  margin-bottom: 6px;
}

.sub {
  font-size: 0.98rem;
  color: var(--text-muted);
}

.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(160, 214, 255, 0.24), rgba(110, 180, 236, 0.18));
  border: 1px solid rgba(160, 214, 255, 0.28);
  color: var(--text);
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.section-contact {
  margin-top: -12px;
}

.contact-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.24);
  background: linear-gradient(180deg, rgba(160, 214, 255, 0.28), rgba(110, 180, 236, 0.22));
}

.contact-button:focus-visible {
  outline: 2px solid rgba(160, 214, 255, 0.55);
  outline-offset: 3px;
}

.contact-inline {
  margin-top: 18px;
  font-size: 0.95rem;
}

.contact-inline a {
  color: var(--text-soft);
  text-decoration: none;
  transition: color 160ms ease, opacity 160ms ease;
}

.contact-inline a:hover {
  color: var(--text);
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  padding: 24px 24px 22px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--card-shadow);
}

.card h2 {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text);
}

.card p {
  font-size: 0.98rem;
  color: var(--text-soft);
}

@media (min-width: 768px) {
  .cards {
    flex-direction: row;
    gap: 24px;
  }

  .card {
    flex: 1;
    min-height: 176px;
  }
}

@media (max-width: 767px) {
  .header,
  .container {
    width: min(100% - 32px, 980px);
  }

  .container {
    padding-top: 32px;
    padding-bottom: 40px;
    gap: 28px;
  }

  .intro h1 {
    margin-bottom: 12px;
  }

  .card {
    padding: 22px 20px;
    border-radius: 18px;
  }
}