:root {
  --bg: #0b1220;
  --bg-soft: #101a2e;
  --surface: #ffffff;
  --text: #1f2a37;
  --text-light: #d1d8e4;
  --primary: #1db954;
  --primary-dark: #169145;
  --accent: #4ecbff;
  --border: #e8ecf3;
  --container: 1140px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: #f4f7fb;
  line-height: 1.6;
}

.container {
  width: min(var(--container), 92%);
  margin: 0 auto;
}

.hero {
  background:
    linear-gradient(130deg, rgba(11, 18, 32, 0.95), rgba(8, 57, 98, 0.85)),
    radial-gradient(circle at 90% 10%, rgba(78, 203, 255, 0.25), transparent 40%),
    var(--bg);
  color: #fff;
  padding-bottom: 5rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
}

.logo {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: #fff;
}

.hero-content {
  padding: 4rem 0 1rem;
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  margin: 0;
  color: var(--accent);
  font-weight: 600;
}

h1,
h2,
h3 {
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 4.4vw, 3.3rem);
  margin: 0.8rem 0;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-top: 0;
}

.hero-text {
  color: #d6deea;
  font-size: 1.05rem;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 0.8rem 1.1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  border-color: #fff;
}

.section {
  padding: 4.2rem 0;
}

.section-alt {
  background: #edf3fb;
}

.grid {
  display: grid;
  gap: 1rem;
}

.two-cols {
  grid-template-columns: 1.3fr 0.9fr;
  align-items: start;
}

.stats {
  display: grid;
  gap: 0.8rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.stat-card strong {
  display: block;
  font-size: 1.8rem;
  color: #0f203e;
}

.cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.steps li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.steps span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #d6f6e2;
  color: #135e30;
  display: inline-grid;
  place-items: center;
  font-weight: 700;
}

.benefits {
  margin: 0;
  padding-left: 1.2rem;
}

.benefits li {
  margin: 0.45rem 0;
}

.three-cols {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.cta {
  background: linear-gradient(180deg, #0e1930, #152546);
  color: #fff;
}

.cta p {
  color: #d6deea;
}

.contact-form {
  display: grid;
  gap: 0.8rem;
  max-width: 580px;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.contact-form input {
  border: 1px solid #394b70;
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  background: #0f1d37;
  color: #fff;
}

.contact-form input::placeholder {
  color: #9db0d3;
}

.footer {
  background: #0a1222;
  color: #c8d0de;
  padding: 1.2rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

@media (max-width: 960px) {
  .cards,
  .three-cols,
  .two-cols {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-top: 2.8rem;
  }
}

@media (max-width: 680px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}