:root {
  --bg: #f4efe8;
  --bg-strong: #102a2e;
  --surface: #fffaf3;
  --ink: #182025;
  --ink-soft: #43505a;
  --accent: #e96f2b;
  --mint: #3ea890;
  --line: #d5c9bc;
  --shadow: 0 14px 40px rgba(16, 42, 46, 0.15);
}

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

html,
body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", sans-serif;
  background: radial-gradient(140% 90% at 0% 0%, #fbe9db 0%, var(--bg) 48%, #ede6dd 100%);
  color: var(--ink);
  line-height: 1.5;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 78vh;
  color: #fffaf3;
  overflow: hidden;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 18%, rgba(233, 111, 43, 0.35), transparent 32%),
    radial-gradient(circle at 20% 90%, rgba(62, 168, 144, 0.3), transparent 38%),
    linear-gradient(130deg, #1e3d44, #102a2e 60%);
}

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.3rem 0 0;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.menu {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.9rem;
}

.menu a {
  text-decoration: none;
  color: #fffaf3;
  font-weight: 700;
  font-size: 0.95rem;
  opacity: 0.92;
  border-bottom: 1px solid transparent;
}

.menu a:hover {
  opacity: 1;
  border-bottom-color: rgba(255, 250, 243, 0.8);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 6rem 0 5.5rem;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.2;
  margin: 0 0 0.7rem;
}

h1 {
  margin-top: 1.1rem;
  font-size: clamp(2rem, 7vw, 4.3rem);
  max-width: 920px;
}

.hero__content p {
  max-width: 700px;
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin: 0;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  gap: 0.6rem;
}

.hero__chips li {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.13);
  border: 1px solid rgba(255, 250, 243, 0.3);
  font-size: 0.93rem;
}

.section {
  padding: 4rem 0;
}

.card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.routes,
.roles,
.co-design__grid,
.library,
.diagnostics,
.chat__grid,
.principles {
  display: grid;
  gap: 1rem;
}

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

.principle {
  padding: 1.2rem;
  border-color: #c8d5cf;
  background:
    linear-gradient(180deg, rgba(62, 168, 144, 0.08), rgba(255, 250, 243, 1) 42%),
    var(--surface);
}

.library {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.library .card,
.diagnostics .card {
  padding: 1.2rem;
}

.library ul {
  margin: 0.7rem 0 0;
  padding-left: 1rem;
  color: var(--ink-soft);
}

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

.routes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.route {
  padding: 1.4rem;
}

.route--urgent {
  background:
    linear-gradient(160deg, rgba(233, 111, 43, 0.08), rgba(255, 250, 243, 1) 42%),
    var(--surface);
}

.route ul {
  margin: 0.8rem 0 1.2rem;
  padding-left: 1rem;
  color: var(--ink-soft);
}

.route-tags {
  list-style: none;
  margin: 0.8rem 0 0.2rem;
  padding: 0;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.route-tags li {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  color: #12353a;
  background: #d4efe6;
  border: 1px solid #a8d8c9;
}

button {
  border: none;
  border-radius: 10px;
  padding: 0.72rem 1rem;
  background: var(--bg-strong);
  color: #fffaf3;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 14px rgba(16, 42, 46, 0.18);
}

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

.roles .card {
  padding: 1.2rem;
}

.co-design {
  padding: 1.4rem;
  background:
    radial-gradient(circle at right top, rgba(233, 111, 43, 0.08), transparent 40%),
    var(--surface);
}

.co-design__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.chat {
  padding: 1.4rem;
}

.chat__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 1rem;
}

.section--cta {
  padding-top: 1.3rem;
}

.cta {
  padding: 2rem;
  border-radius: 22px;
  background: var(--bg-strong);
  color: #fffaf3;
  box-shadow: var(--shadow);
}

.cta button {
  background: var(--accent);
}

.footer {
  padding: 2rem 0 2.5rem;
  color: #6a737a;
}

.section,
.hero__content,
.route,
.roles .card,
.co-design,
.cta {
  animation: rise 0.7s ease both;
}

@keyframes rise {
  from {
    transform: translateY(12px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 960px) {
  .routes,
  .roles,
  .co-design__grid,
  .diagnostics,
  .library,
  .chat__grid,
  .principles {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    gap: 0.6rem;
    flex-direction: column;
  }

  .menu {
    flex-wrap: wrap;
    gap: 0.55rem 0.9rem;
  }

  .container {
    width: min(1120px, calc(100% - 1.4rem));
  }

  .section {
    padding: 3rem 0;
  }

  .routes,
  .roles,
  .co-design__grid,
  .diagnostics,
  .library,
  .chat__grid,
  .principles {
    grid-template-columns: 1fr;
  }
}