:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-soft: #fff8f8;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #e4002b;
  --accent-soft: #ff4d6d;
  --shadow: 0 12px 40px rgba(228, 0, 43, 0.12);
  --radius: 24px;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #ffffff 0%, var(--bg) 42%);
  color: var(--text);
  line-height: 1.6;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 28px;
  background: rgba(245, 245, 247, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
}

.nav img {
  height: 34px;
  width: auto;
  display: block;
}

.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 500;
  opacity: 0.9;
  transition: 0.25s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
  opacity: 1;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}

.hero {
  text-align: center;
  margin-bottom: 52px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  font-family: "Syne", -apple-system, sans-serif;
  font-size: clamp(2.2rem, 5.3vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.hero p {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.hero-visual {
  margin: 38px auto 0;
  max-width: 430px;
}

.hero-visual img {
  width: 100%;
  display: block;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.card.soft {
  background: var(--surface-soft);
}

.card h2 {
  font-size: 1.14rem;
  margin-bottom: 8px;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul {
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.nr {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
  background: rgba(228, 0, 43, 0.1);
}

.step h2 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.form {
  display: grid;
  gap: 12px;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  font: inherit;
  color: var(--text);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.25s ease;
}

button:hover {
  transform: scale(1.02);
}

footer {
  text-align: center;
  border-top: 1px solid var(--line);
  padding: 26px 20px 32px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .nav {
    padding: 14px 18px;
  }

  .nav ul {
    gap: 12px;
  }
}