:root {
  color-scheme: light;
  --sand: #f6efe4;
  --paper: rgba(255, 251, 246, 0.72);
  --ink: #14213d;
  --muted: #425466;
  --line: rgba(20, 33, 61, 0.12);
  --gold: #c9862f;
  --coral: #df6c57;
  --teal: #4f8c8d;
  --shadow: 0 24px 70px rgba(20, 33, 61, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(201, 134, 47, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(79, 140, 141, 0.20), transparent 28%),
    linear-gradient(180deg, #fef7ed 0%, #f3eadf 58%, #efe4d7 100%);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 33, 61, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 33, 61, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  pointer-events: none;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 24px auto 48px;
}

.hero,
.signal-band,
.platform-section,
.capabilities-section,
.launch-section {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 56px;
}

.brand,
.topbar-links a,
.button {
  text-decoration: none;
}

.brand {
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.topbar-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 28px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
.panel-label,
.launch-list span {
  font-family: "Space Grotesk", sans-serif;
}

h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(3rem, 8vw, 6.1rem);
  line-height: 0.94;
}

.hero-text,
.platform-grid p,
.capability-card p,
.launch-copy p,
.launch-list p,
.signal-band p {
  color: var(--muted);
  line-height: 1.6;
}

.hero-text {
  max-width: 58ch;
  margin: 20px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
}

.button-primary {
  background: var(--ink);
  color: #fff7ef;
}

.button-secondary {
  border-color: rgba(20, 33, 61, 0.18);
  color: var(--ink);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(223, 108, 87, 0.24), transparent 34%),
    linear-gradient(160deg, rgba(20, 33, 61, 0.98), rgba(38, 67, 98, 0.92));
  color: #f9f3ec;
}

.hero-panel::after {
  position: absolute;
  inset: auto -48px -56px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(201, 134, 47, 0.16);
  content: "";
}

.panel-label {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  color: #f6c27f;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-stack {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agent-stack li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.agent-stack li:first-child {
  border-top: 0;
  padding-top: 0;
}

.agent-stack span {
  color: rgba(249, 243, 236, 0.72);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.agent-stack strong {
  font-size: 1.04rem;
  font-weight: 600;
}

.signal-band,
.platform-section,
.capabilities-section,
.launch-section {
  margin-top: 22px;
  padding: 28px;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.signal-band div {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.45);
}

.signal-band strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.signal-band p {
  margin: 0;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  max-width: 15ch;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.platform-grid,
.capability-grid {
  display: grid;
  gap: 18px;
}

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

.platform-grid article,
.capability-card,
.launch-list div {
  padding: 22px;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.5);
}

.platform-grid h3,
.capability-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.platform-grid p,
.capability-card p {
  margin: 0;
}

.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.accent-card {
  background: linear-gradient(180deg, rgba(201, 134, 47, 0.18), rgba(223, 108, 87, 0.18));
}

.launch-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 20px;
}

.launch-copy h2 {
  margin: 0 0 18px;
  max-width: 13ch;
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  line-height: 1;
}

.launch-copy p:last-child {
  margin: 0;
}

.launch-list {
  display: grid;
  gap: 16px;
}

.launch-list div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
}

.launch-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--ink);
  color: #fff7ef;
  font-size: 1.1rem;
  font-weight: 700;
}

.launch-list p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .launch-section,
  .signal-band,
  .platform-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .section-heading h2,
  .launch-copy h2,
  h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 18px, 1180px);
    margin: 10px auto 28px;
  }

  .hero,
  .signal-band,
  .platform-section,
  .capabilities-section,
  .launch-section {
    padding: 20px;
    border-radius: 24px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 34px;
  }

  .topbar-links {
    gap: 12px;
  }

  h1 {
    font-size: clamp(2.6rem, 16vw, 4.1rem);
  }

  .launch-list div {
    grid-template-columns: 1fr;
  }
}