:root {
  --black: #0a0a0a;
  --white: #f8f8f8;
  --lime: #b5e02a;
  --lime-deep: #8fb81a;
  --muted: #a3a3a0;
  --surface: #171717;
  --line: #303030;
  --error: #ff8f7a;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; background: var(--black); }

body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(70rem 40rem at 50% -12rem, rgb(181 224 42 / .16), transparent 70%),
    var(--black);
  color: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.page {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "intro" "trends" "signup";
  gap: 26px;
  width: min(100%, 520px);
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 20px max(32px, env(safe-area-inset-bottom));
}

.intro { grid-area: intro; text-align: center; animation: rise .7s var(--ease) both; }
.logo { display: block; width: min(68%, 260px); height: auto; margin: 0 auto 10px; }

.launch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 6px 12px;
  border: 1px solid rgb(181 224 42 / .35);
  border-radius: 999px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 600;
}

.launch-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 2s ease-in-out infinite;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 9vw, 40px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.03em;
}

h1 em { color: var(--lime); font-style: normal; }

.trends {
  grid-area: trends;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 0;
  animation: rise .8s .08s var(--ease) both;
}

.trend {
  position: relative;
  flex: none;
  width: var(--card);
  aspect-ratio: 2 / 3;
  margin: 0;
  overflow: hidden;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 18px 44px rgb(0 0 0 / .55), 0 0 0 1px rgb(255 255 255 / .08);
  transition: transform .45s var(--ease);
}

.trend-left, .trend-right { --card: clamp(112px, 34vw, 164px); z-index: 1; }
.trend-center { --card: clamp(142px, 43vw, 210px); z-index: 2; }
.trend-left { margin-right: -34px; transform: rotate(-7deg) translateY(8px); }
.trend-right { margin-left: -34px; transform: rotate(7deg) translateY(8px); }

.trend video { display: block; width: 100%; height: 100%; object-fit: cover; }
.trend-right video { object-position: 20% 50%; }

.trend figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 34px 12px 11px;
  background: linear-gradient(transparent, rgb(0 0 0 / .78));
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.trend-center figcaption { text-align: center; }
.trend-right figcaption { text-align: right; }

.signup { grid-area: signup; }

form { display: grid; gap: 10px; }

.field label {
  display: block;
  margin: 0 0 6px 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

input {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--white);
  font: inherit;
  font-size: 16px;
  transition: border-color .15s, box-shadow .15s;
}

input::placeholder { color: #777773; }
input:focus { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgb(181 224 42 / .22); }
input[aria-invalid="true"] { border-color: var(--error); }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

button {
  height: 54px;
  margin-top: 6px;
  border: 0;
  border-radius: 14px;
  background: var(--lime);
  color: var(--black);
  font: inherit;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -.01em;
  cursor: pointer;
  transition: transform .15s var(--ease), background .15s, opacity .15s;
}

button:hover { background: #c4ec3e; }
button:active { transform: scale(.98); }
button:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }
button:disabled { opacity: .65; cursor: progress; }

.message { min-height: 0; margin: 0; color: var(--error); font-size: 14px; text-align: center; }
.message:empty { display: none; }
.note { margin: 2px 0 0; color: var(--muted); font-size: 13px; text-align: center; }

.done {
  padding: 26px 20px;
  border: 1px solid rgb(181 224 42 / .35);
  border-radius: 20px;
  background: rgb(181 224 42 / .08);
  text-align: center;
  outline: none;
}

.done-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--black);
  font-size: 22px;
  font-weight: 800;
}

.done h2 { margin: 0 0 6px; font-size: 24px; letter-spacing: -.02em; }
.done p { margin: 0; color: #d6d6d2; font-size: 15px; line-height: 1.45; overflow-wrap: anywhere; }
.done strong { color: var(--white); font-weight: 650; }

@media (min-width: 960px) {
  .page {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    grid-template-rows: auto auto;
    grid-template-areas: "intro trends" "signup trends";
    align-content: center;
    gap: 28px 72px;
    width: min(100%, 1180px);
    min-height: 100dvh;
    padding: 48px 40px;
  }

  .intro { align-self: end; text-align: left; }
  .logo { width: 300px; margin: 0 0 14px -10px; }
  h1 { font-size: 54px; }
  .signup { align-self: start; }
  .note, .message { text-align: left; }
  .trend-left, .trend-right { --card: 232px; }
  .trend-center { --card: 292px; }
  .trend-left { margin-right: -44px; }
  .trend-right { margin-left: -44px; }
  .trend { border-radius: 26px; }
  .trend figcaption { padding: 48px 18px 15px; font-size: 16px; }
  .trend-left:hover { transform: rotate(-4deg) translateY(0); }
  .trend-right:hover { transform: rotate(4deg) translateY(0); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes pulse {
  50% { opacity: .35; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}