:root {
  --paper: #f6f2ea;
  --ink: #1b1a17;
  --muted: #6d675c;
  --rule: #d9d2c4;
  --red: #c8102e;
  --sans: Inter, sans-serif;
  --helvetica: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --display: "Inter Tight", Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--helvetica);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 5vw;
  background: #000; color: #fff;
  font-family: var(--sans); font-size: 11px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
}
.bar .mark { display: block; height: 36px; width: auto; }

/* Layout */
main {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  min-height: calc(100vh - 62px - 56px);
}

/* Cover side */
.stage {
  display: grid; place-items: center;
  padding: 5vh 3vw;
  background:
    radial-gradient(ellipse at 50% 45%, #ffffff 0%, rgba(255,255,255,0) 60%),
    #e6ddcc;
  border-right: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
  isolation: isolate;
}
.stage::before {
  content: ""; position: absolute; inset: -60px; z-index: -1;
  background: var(--red) url("Burger-cover-11-27-23-red2.jpg") center / cover no-repeat;
  filter: blur(40px) saturate(1.1) brightness(.55);
  transform: scale(1.1);
}

.cover {
  position: relative;
  height: min(80vh, 900px);
  max-width: 92%;
  aspect-ratio: 724 / 1024;
  background: var(--red);
  transform: rotate(-2.5deg);
  box-shadow:
    0 2px 2px rgba(0,0,0,.1),
    0 18px 36px -10px rgba(0,0,0,.35),
    0 60px 120px -24px rgba(60,20,10,.5);
  animation: arrive 1.1s cubic-bezier(.2,.8,.2,1) both;
}
.cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.cover::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, rgba(255,255,255,.18) 0%, rgba(255,255,255,0) 30%, rgba(0,0,0,0) 85%, rgba(0,0,0,.12) 100%);
}

/* Blur zones sit over the cover in percent of its size; move them to match the cover lines. */
.blur {
  position: absolute;
  left: var(--x); top: var(--y); width: var(--w); height: var(--h);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  -webkit-mask:
    linear-gradient(to right, transparent, #000 15%, #000 85%, transparent),
    linear-gradient(transparent, #000 25%, #000 75%, transparent);
  -webkit-mask-composite: source-in;
  mask:
    linear-gradient(to right, transparent, #000 15%, #000 85%, transparent),
    linear-gradient(transparent, #000 25%, #000 75%, transparent);
  mask-composite: intersect;
}

@keyframes arrive {
  from { opacity: 0; transform: translateY(24px) rotate(-5deg); }
  to   { opacity: 1; transform: translateY(0) rotate(-2.5deg); }
}

/* Text side */
.copy {
  display: flex; flex-direction: column; justify-content: center;
  padding: 8vh 7vw 8vh 5vw;
  max-width: 640px;
}
.kicker {
  font-family: var(--sans); font-size: 11px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--red);
  display: flex; align-items: center; gap: 12px;
}
.kicker::before { content: ""; width: 28px; height: 1px; background: var(--red); }

h1 {
  font-family: var(--helvetica); font-weight: 700;
  font-size: clamp(40px, 4.8vw, 68px); line-height: 1;
  letter-spacing: -.035em;
  margin: 22px 0 26px;
}
h1 em { font-family: var(--display); font-style: normal; font-weight: 800; color: var(--red); }

.lede { color: #3a3731; max-width: 30em; }
.lede + .lede { margin-top: 14px; }

.rule { height: 1px; background: var(--rule); margin: 36px 0 28px; }

/* Sign-up form */
form { display: flex; gap: 0; max-width: 460px; border: 1px solid var(--ink); background: #fff; }
input[type=email] {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  padding: 16px 18px; font: inherit; font-size: 16px; color: var(--ink);
}
button {
  border: 0; background: var(--ink); color: var(--paper);
  padding: 0 24px; cursor: pointer;
  font-family: var(--sans); font-size: 11px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  transition: background .2s;
}
button:hover { background: var(--red); }
.fine { margin-top: 12px; font-size: 13px; color: var(--muted); }
.fine a { color: inherit; }

/* Footer */
footer {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 18px 5vw; border-top: 1px solid var(--rule);
  font-family: var(--sans); font-size: 11px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
footer a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--red); }

/* Mobile */
@media (max-width: 860px) {
  main { grid-template-columns: 1fr; }
  .stage { border-right: 0; border-bottom: 1px solid var(--rule); padding: 48px 0 56px; }
  .cover { height: auto; width: min(360px, 78%); }
  .copy { padding: 44px 7vw 56px; }
}