:root {
  --oc-navy: #0D2B45;
  --oc-blue: #1565C0;
  --oc-orange: #FF7A00;
  --oc-red: #E53935;
  --oc-red-deep: #D32F2F;
  --oc-sand: #FFB74D;
  --oc-cyan: #00E5FF;
  --oc-ink: #1A1A2E;
  --oc-bg: #F7F9FC;
  --oc-panel: #FFFFFF;
  --oc-panel-soft: #EEF4FB;
  --oc-line: #D7E3F0;
  --oc-text: #17324D;
  --oc-text-muted: #60717F;
  --oc-shadow: 0 18px 48px rgba(13, 43, 69, 0.10);
  --oc-shadow-soft: 0 10px 28px rgba(13, 43, 69, 0.08);
  --oc-radius: 22px;
  --oc-radius-sm: 14px;
}

* { box-sizing: border-box; }

html {
  margin: 0;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--oc-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--oc-text);
  background:
    radial-gradient(860px 420px at 12% -4%, rgba(21, 101, 192, 0.12), transparent 65%),
    radial-gradient(760px 360px at 88% 12%, rgba(0, 229, 255, 0.08), transparent 60%),
    linear-gradient(180deg, #f7f9fc 0%, #eff5fb 100%);
  line-height: 1.55;
}

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

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

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

@media (max-width: 720px) {
  .container {
    width: min(100%, calc(100% - 32px));
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 14px;
  border: 1px solid var(--oc-orange);
  background: var(--oc-orange);
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.01em;
  box-shadow: 0 14px 28px rgba(255, 122, 0, 0.22);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: #eb6d00;
  border-color: #eb6d00;
  box-shadow: 0 18px 32px rgba(255, 122, 0, 0.26);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.82);
  color: var(--oc-navy);
  border-color: var(--oc-line);
  box-shadow: var(--oc-shadow-soft);
}

.btn.secondary:hover {
  background: #fff;
  border-color: rgba(13, 43, 69, 0.20);
  box-shadow: 0 16px 30px rgba(13, 43, 69, 0.12);
}

.card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--oc-line);
  border-radius: var(--oc-radius);
  box-shadow: var(--oc-shadow);
}

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

.section {
  padding: 84px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(21, 101, 192, 0.08);
  color: var(--oc-blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.h1,
.h2,
.h3 {
  margin: 0;
  color: var(--oc-navy);
  font-family: Sora, Inter, ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.03em;
}

.h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.98;
}

.h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.04;
}

.h3 {
  font-size: 1.25rem;
  line-height: 1.15;
}

.lead,
.p {
  color: var(--oc-text-muted);
  font-size: clamp(1rem, 2vw, 1.16rem);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

@media (max-width: 960px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }
}

.reveal-float {
  animation: oc-float 7s ease-in-out infinite;
}

.reveal-drift {
  animation: oc-drift 16s linear infinite;
}

@keyframes oc-float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes oc-drift {
  0% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(10px, -8px, 0); }
  100% { transform: translate3d(0, 0, 0); }
}