:root {
  --bg: #08111f;
  --bg-secondary: #0f1b30;
  --card: #101b2d;
  --card-light: rgba(255, 255, 255, 0.04);

  --text: #e9eef8;
  --muted: #b8c3d9;

  --accent: #4da3ff;
  --accent-dark: #2e7ed6;

  --border: rgba(255, 255, 255, 0.08);

  --shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at top right, rgba(77, 163, 255, 0.12), transparent 25%),
    linear-gradient(to bottom, var(--bg), var(--bg-secondary));

  color: var(--text);
  font-family: Inter, sans-serif;
  line-height: 1.75;
  min-height: 100vh;
}

/* ================= HERO ================= */

.hero {
  padding: 90px 20px 55px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.hero p {
  max-width: 760px;
  margin: auto;
  color: var(--muted);
  font-size: 1.08rem;
}

/* ================= CONTAINER ================= */

.container {
  width: min(1100px, 92%);
  margin: auto;
  padding-bottom: 80px;
}

/* ================= CARD ================= */

.card {
  position: relative;
  overflow: hidden;

  background: var(--card-light);
  border: 1px solid var(--border);
  border-radius: 26px;

  padding: 38px;
  margin-bottom: 28px;

  box-shadow: var(--shadow);

  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(77, 163, 255, 0.22);
  box-shadow:
    0 14px 50px rgba(0, 0, 0, 0.35);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      135deg,
      rgba(77, 163, 255, 0.08),
      transparent 30%
    );

  pointer-events: none;
}

/* ================= TYPOGRAPHY ================= */

.card h2 {
  font-size: 1.65rem;
  margin-bottom: 18px;
  color: #ffffff;
  position: relative;
}

.card p {
  color: var(--muted);
  margin-bottom: 18px;
  position: relative;
}

.highlight {
  color: #ffffff;
  font-weight: 600;
}

/* ================= LIST ================= */

ul {
  padding-left: 22px;
}

ul li {
  margin-bottom: 14px;
  color: var(--muted);
}

/* ================= EMAIL BOX ================= */

.email-box {
  margin-top: 28px;
  padding: 24px;

  background: rgba(77, 163, 255, 0.08);

  border: 1px solid rgba(77, 163, 255, 0.22);
  border-radius: 20px;

  text-align: center;
}

.email-box a {
  color: #7fc0ff;
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 700;
  word-break: break-word;

  transition: color 0.2s ease;
}

.email-box a:hover {
  color: #b8ddff;
}

/* ================= STEPS ================= */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.step {
  background: rgba(255, 255, 255, 0.03);

  border: 1px solid var(--border);
  border-radius: 20px;

  padding: 24px;

  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.step:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 163, 255, 0.25);
}

.step span {
  display: inline-flex;
  width: 42px;
  height: 42px;

  border-radius: 50%;

  background:
    linear-gradient(
      135deg,
      var(--accent),
      var(--accent-dark)
    );

  color: #fff;

  align-items: center;
  justify-content: center;

  font-weight: 700;

  margin-bottom: 16px;

  box-shadow:
    0 8px 20px rgba(77, 163, 255, 0.28);
}

.step h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  color: #fff;
}

.step p {
  margin-bottom: 0;
  font-size: 0.97rem;
}

/* ================= LINKS ================= */

a {
  color: #7fc0ff;
}

a:hover {
  text-decoration: underline;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 768px) {

  .hero {
    padding: 70px 18px 40px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .card {
    padding: 26px;
    border-radius: 22px;
  }

  .card h2 {
    font-size: 1.4rem;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {

  .hero h1 {
    font-size: 1.95rem;
  }

  .card {
    padding: 22px;
  }

  .email-box {
    padding: 20px;
  }
}