:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-muted: #eef3fb;
  --text: #0f172a;
  --muted: #5f6c86;
  --primary: #2563eb;
  --primary-soft: #94c5ff;
  --accent: #38bdf8;
  --border: rgba(15, 23, 42, 0.12);
  --radius: 18px;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(1100px, 100% - 3rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 249, 252, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
}

.logo span {
  color: var(--primary);
}

nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  flex: 1;
}

nav a {
  color: var(--muted);
  transition: color 150ms ease;
}

nav a:hover {
  color: var(--primary);
}

.btn {
  border-radius: 999px;
  padding: 0.55rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms,
    background 150ms;
}

.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
}

.btn.primary:hover {
  transform: translateY(-1px);
}

.btn.secondary {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}

.btn.secondary:hover {
  border-color: rgba(37, 99, 235, 0.4);
}

.hero {
  padding: 5rem 0 4rem;
}

.hero .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: 1rem;
  color: var(--text);
}

.lede {
  color: rgba(15, 23, 42, 0.8);
  font-size: 1.15rem;
}

.hero-ctas {
  margin: 2rem 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-list {
  padding-left: 1.2rem;
  color: var(--muted);
}

.hero-list li + li {
  margin-top: 0.5rem;
}

.hero-visual {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
}

.visual-card {
  border-radius: var(--radius);
  background: var(--surface-muted);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.visual-pill {
  width: 60%;
  height: 8px;
  border-radius: 999px;
  background: var(--primary-soft);
}

.visual-row {
  height: 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.12);
}

.visual-row.short {
  width: 70%;
}

.visual-panel {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.visual-panel div {
  height: 70px;
  border-radius: 12px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.visual-caption {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.feature-grid {
  padding: 4rem 0;
}

.feature-grid header {
  max-width: 640px;
}

.grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.grid article {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  min-height: 180px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
}

.workflow {
  padding: 4rem 0;
  background: linear-gradient(180deg, rgba(148, 197, 255, 0.15), transparent);
}

.workflow .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}

.workflow ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.workflow-steps {
  display: grid;
  gap: 1rem;
}

.step {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1rem 1.2rem;
  background: var(--surface);
  display: flex;
  gap: 1rem;
  align-items: center;
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.07);
}

.step span {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.2em;
}

.guiding-principles {
  padding: 4rem 0;
}

.principle-list {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.principle-list article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
}

.contact {
  padding: 4rem 0 5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.contact .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3rem;
  align-items: start;
}

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

label {
  display: grid;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input,
textarea,
select {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text);
  padding: 0.8rem 1.2rem;
  font-size: 1rem;
  font-family: inherit;
}

textarea {
  min-height: 130px;
  border-radius: var(--radius);
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(37, 99, 235, 0.3);
  border-color: transparent;
  background: #fff;
}

.site-footer {
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

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

@media (max-width: 700px) {
  nav {
    display: none;
  }

  .site-header .container {
    justify-content: space-between;
  }

  .hero {
    padding-top: 4rem;
  }

  .hero-visual {
    padding: 1.5rem;
  }

  .hero-ctas {
    flex-direction: column;
  }
}