:root {
  --bg: #0d0d0d;
  --surface: #171717;
  --surface-strong: #202020;
  --text: #f2eee6;
  --muted: #a8a29a;
  --gold: #d7a84b;
  --gold-strong: #f0c66d;
  --danger: #ffb4a8;
  --border: rgba(242, 238, 230, 0.16);
  --border-strong: rgba(242, 238, 230, 0.34);
  color-scheme: dark;
}

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

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(242, 238, 230, 0.026) 1px, transparent 1px),
    linear-gradient(180deg, rgba(242, 238, 230, 0.018) 1px, transparent 1px),
    radial-gradient(circle at 80% 0%, rgba(215, 168, 75, 0.12), transparent 30rem),
    var(--bg);
  background-size: 44px 44px, 44px 44px, auto, auto;
}

button,
input {
  font: inherit;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gold-strong);
  outline-offset: 3px;
}

.activation-shell {
  width: min(100%, 1040px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px 16px 36px;
  display: grid;
  gap: 22px;
  align-content: center;
}

.intro-panel,
.form-panel {
  border: 1px solid var(--border);
  background: rgba(23, 23, 23, 0.84);
}

.intro-panel {
  min-height: 340px;
  padding: 26px 18px;
  display: grid;
  align-content: space-between;
  gap: 28px;
  border-color: var(--border-strong);
}

.brand,
.eyebrow,
label,
.review-note,
.goal,
.result-title {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(3.3rem, 19vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  margin-top: 6px;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.lede {
  max-width: 34rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.6;
}

.goal {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
}

.goal span {
  width: 34px;
  height: 1px;
  background: var(--gold);
}

.form-panel {
  padding: 18px;
}

.panel-heading {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"] {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--border-strong);
  border-radius: 0;
  padding: 0 12px;
  color: var(--text);
  background: var(--surface-strong);
}

input::placeholder {
  color: rgba(168, 162, 154, 0.72);
}

.privacy-check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px 0 2px;
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: none;
}

.privacy-check input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--gold);
}

button {
  min-height: 54px;
  border: 1px solid var(--gold);
  border-radius: 0;
  color: var(--bg);
  background: var(--gold);
  cursor: pointer;
  font-weight: 950;
  letter-spacing: 0.04em;
}

button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.review-note {
  color: var(--muted);
  line-height: 1.45;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
}

.result {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.result-title {
  color: var(--gold);
}

.result-message {
  margin-top: 10px;
  color: var(--text);
  line-height: 1.6;
}

.result-message p + p {
  margin-top: 10px;
}

.result.error .result-title {
  color: var(--danger);
}

@media (min-width: 820px) {
  .activation-shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 24px;
    padding: 34px 22px;
  }

  .intro-panel {
    min-height: 650px;
    padding: 34px 30px;
  }

  .form-panel {
    padding: 26px;
    align-self: center;
  }
}