:root {
  --bg: #f8fafc;
  --bg-soft: #eef2ff;
  --bg-dark: #0b1220;
  --text: #0f172a;
  --text-muted: #475569;
  --text-light: #e2e8f0;
  --primary: #0ea5a4;
  --primary-strong: #0f766e;
  --accent: #f59e0b;
  --card: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
  --radius: 18px;
}

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

body {
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #e0f2fe 0%, #f8fafc 35%, #fef3c7 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 14px;
}

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

.hero {
  padding: 32px 8vw 90px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -20% 40% 20% -10%;
  background: radial-gradient(circle, rgba(14, 165, 164, 0.2), transparent 70%);
  pointer-events: none;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  z-index: 2;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.3px;
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--text);
}

.hero-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  line-height: 1.1;
  margin: 14px 0 18px;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  color: var(--primary-strong);
}

.hero-copy p {
  color: var(--text-muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin: 22px 0 18px;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-badges span {
  background: rgba(14, 165, 164, 0.12);
  padding: 6px 12px;
  border-radius: 999px;
}

.hero-media {
  background: #0f172a;
  padding: 14px;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.section {
  padding: 90px 8vw;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-card h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
}

.feature-card ul {
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.feature-card a {
  margin-top: auto;
  color: var(--primary-strong);
  font-weight: 600;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section-dark .section-head p {
  color: #cbd5f5;
}

.diagram {
  background: #0f172a;
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 30px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.flow-grid h3 {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 6px;
}

.flow-grid p {
  color: #cbd5f5;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.section-muted {
  background: linear-gradient(135deg, #ecfeff, #fef9c3);
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.ops-grid h3 {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 6px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.faq-grid h3 {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 6px;
}

.footer {
  padding: 40px 8vw 60px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
}

.footer p {
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 16px;
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(14, 165, 164, 0.25);
}

.btn.secondary {
  border-color: rgba(14, 165, 164, 0.4);
  color: var(--primary-strong);
  background: rgba(14, 165, 164, 0.08);
}

.btn.ghost {
  border-color: var(--border);
  color: var(--text);
  background: #fff;
}

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

@media (max-width: 900px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links {
    flex-wrap: wrap;
  }
}