:root {
  --bg: #f5f7fb;
  --ink: #0f172a;
  --muted: #64748b;
  --primary: #0ea5e9;
  --primary-dark: #0369a1;
  --accent: #14b8a6;
  --card: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #eef2ff 0%, #f5f7fb 45%, #f8fafc 100%);
}

h1, h2, h3, h4 {
  font-family: "Sora", "Segoe UI", Arial, sans-serif;
  margin: 0 0 12px 0;
}

p {
  margin: 0 0 16px 0;
  color: var(--muted);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 70px 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 10px;
}

.section-subtitle {
  max-width: 700px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #0ABAB5;
  letter-spacing: 1px;
}
.logo span {
  color: #8A2BE2;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  color: #1f2937;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-links a.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 12px 25px rgba(14, 165, 233, 0.25);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
}

.hero {
  padding: 80px 0 70px;
}

.hero-card {
  background: linear-gradient(120deg, #0f172a 0%, #1d4ed8 60%, #0ea5e9 100%);
  color: #ffffff;
  border-radius: 28px;
  padding: 56px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  background: rgba(20, 184, 166, 0.3);
  top: -120px;
  right: -80px;
  border-radius: 50%;
  filter: blur(0.5px);
}

.hero h1 {
  font-size: clamp(2.4rem, 3.5vw, 3.4rem);
  max-width: 700px;
  color: #ffffff;
}

.hero p {
  color: #e2e8f0;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-primary,
.btn-outline {
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: #ffffff;
  color: #0f172a;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat strong {
  font-size: 1.8rem;
  color: var(--ink);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 600;
}

.icon-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-weight: 600;
}

.pricing-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  background: #ffffff;
  position: relative;
}

.pricing-card.highlight {
  border: 2px solid var(--primary);
  box-shadow: 0 18px 40px rgba(14, 165, 233, 0.2);
}

.pricing-card h3 {
  margin-bottom: 6px;
}

.pricing-card .price {
  font-size: 2.2rem;
  color: var(--ink);
}

.pricing-card ul {
  padding-left: 18px;
  color: var(--muted);
}

.case-card img,
.blog-card img {
  width: 100%;
  border-radius: 14px;
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input,
textarea {
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.95rem;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: #ffffff;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border);
    padding: 16px;
    position: absolute;
    top: 64px;
    right: 4vw;
    border-radius: 14px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .hero-card {
    padding: 36px;
  }
}