/* Delta Sierra framework — lite landing build
   Public-facing brand: HarryCollins.xyz / HC
   Internal system naming only: DS */

:root {
  --ds-bg: #0b1020;
  --ds-bg-2: #111827;
  --ds-text: #f8fafc;
  --ds-muted: #cbd5e1;
  --ds-soft: rgba(255, 255, 255, 0.08);
  --ds-line: rgba(255, 255, 255, 0.16);
  --ds-accent: #8bd3ff;
  --ds-accent-2: #d6b4ff;
  --ds-radius: 28px;
  --ds-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --ds-max: 960px;
  --ds-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  min-height: 100vh;
  margin: 0;
  font-family: var(--ds-font);
  color: var(--ds-text);
  background:
    radial-gradient(circle at 20% 20%, rgba(139, 211, 255, 0.18), transparent 32rem),
    radial-gradient(circle at 80% 10%, rgba(214, 180, 255, 0.18), transparent 28rem),
    linear-gradient(135deg, var(--ds-bg), var(--ds-bg-2));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
}

.ds-shell {
  width: min(calc(100% - 32px), var(--ds-max));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 28px;
  padding: 48px 0;
}

.ds-card {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 7vw, 72px);
  border: 1px solid var(--ds-line);
  border-radius: var(--ds-radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
  box-shadow: var(--ds-shadow);
  backdrop-filter: blur(18px);
}

.ds-card::after {
  content: "HC";
  position: absolute;
  right: clamp(18px, 5vw, 52px);
  bottom: clamp(-20px, -2vw, -6px);
  font-size: clamp(80px, 22vw, 220px);
  font-weight: 900;
  line-height: .75;
  letter-spacing: -0.09em;
  color: rgba(255, 255, 255, 0.045);
  pointer-events: none;
}

.ds-kicker {
  margin: 0 0 18px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ds-accent);
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.4rem, 11vw, 7.5rem);
  line-height: .86;
  letter-spacing: -0.075em;
}

.ds-lede {
  max-width: 660px;
  margin: 28px 0 0;
  font-size: clamp(1.25rem, 3.6vw, 2rem);
  line-height: 1.18;
  color: var(--ds-text);
}

.ds-copy {
  max-width: 560px;
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ds-muted);
}

.ds-status {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  padding: 12px 16px;
  border: 1px solid var(--ds-line);
  border-radius: 999px;
  background: var(--ds-soft);
  color: var(--ds-muted);
  font-size: .95rem;
}

.ds-pulse {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--ds-accent);
  box-shadow: 0 0 0 0 rgba(139, 211, 255, .6);
  animation: ds-pulse 1.8s infinite;
}

.ds-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgba(248, 250, 252, .68);
  font-size: .9rem;
  padding: 0 4px;
}

@keyframes ds-pulse {
  70% { box-shadow: 0 0 0 12px rgba(139, 211, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(139, 211, 255, 0); }
}

@media (max-width: 640px) {
  .ds-shell { width: min(calc(100% - 24px), var(--ds-max)); padding: 24px 0; }
  .ds-card { border-radius: 22px; }
  .ds-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}