:root {
  --ink: #163028;
  --ink-soft: #2f4a40;
  --paper: #f3f7f4;
  --foam: #e7f1ec;
  --moss: #3f6b5a;
  --moss-deep: #24483b;
  --lagoon: #4f7f8a;
  --sun: #e8c27a;
  --shadow: rgba(22, 48, 40, 0.14);
  --radius: 1.35rem;
  --font-brand: "Fraunces", "Iowan Old Style", "Palatino Linotype", serif;
  --font-body: "Nunito", "Avenir Next", "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 12% -10%, #d7ebe2 0%, transparent 55%),
    radial-gradient(90% 70% at 100% 0%, #d3e4ea 0%, transparent 50%),
    linear-gradient(165deg, #eef5f1 0%, #e3eee8 42%, #d9e8e2 100%);
}

.wash {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
  animation: drift 18s ease-in-out infinite alternate;
}

.wash-a {
  width: min(58vw, 34rem);
  height: min(58vw, 34rem);
  left: -8%;
  top: 18%;
  background: radial-gradient(circle, rgba(99, 158, 136, 0.45), transparent 70%);
}

.wash-b {
  width: min(50vw, 28rem);
  height: min(50vw, 28rem);
  right: -6%;
  bottom: 8%;
  background: radial-gradient(circle, rgba(99, 152, 168, 0.4), transparent 70%);
  animation-delay: -6s;
  animation-duration: 22s;
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.stage {
  position: relative;
  z-index: 1;
  width: min(42rem, calc(100% - 2.5rem));
  margin: 0 auto;
  min-height: 100svh;
  padding: clamp(2.4rem, 7vh, 4.5rem) 0 clamp(2rem, 5vh, 3.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.35rem, 3.2vh, 2rem);
}

.brand-block {
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lagoon);
}

.brand {
  margin: 0;
  font-family: var(--font-brand);
  font-weight: 650;
  font-size: clamp(2.35rem, 7.2vw, 3.55rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--moss-deep);
  max-width: 14ch;
}

.intro {
  margin: 0;
  max-width: 38rem;
  font-size: clamp(1.02rem, 2.4vw, 1.14rem);
  font-weight: 500;
  color: var(--ink-soft);
  animation: rise 1s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
}

.qr-block {
  margin: 0.35rem 0 0;
  display: grid;
  justify-items: start;
  gap: 0.85rem;
  animation: rise 1.05s cubic-bezier(0.22, 1, 0.36, 1) 0.22s both;
}

.qr-frame {
  width: min(100%, 17.5rem);
  padding: 0.85rem;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 251, 249, 0.88));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 18px 40px -24px var(--shadow),
    0 0 0 1px rgba(36, 72, 59, 0.08);
  animation: soft-float 5.5s ease-in-out infinite;
}

.qr {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 0.45rem);
  image-rendering: auto;
  background: #fff;
}

.scan-cue {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--moss);
  letter-spacing: 0.01em;
}

@media (min-width: 720px) {
  .stage {
    width: min(46rem, calc(100% - 4rem));
  }

  .qr-frame {
    width: 18.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wash,
  .brand-block,
  .intro,
  .qr-block,
  .qr-frame {
    animation: none !important;
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(3%, -4%, 0) scale(1.06);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translate3d(0, 1.1rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes soft-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -0.35rem, 0);
  }
}