:root {
  --bg: #f6f4ef;
  --glow-1: rgba(169, 128, 62, 0.12);
  --glow-2: rgba(40, 48, 66, 0.07);
  --ink: #17181b;
  --muted: #5c5a55;
  --faint: #6f6b62;
  --border: rgba(23, 24, 27, 0.10);
  --panel-bg: rgba(255, 255, 255, 0.66);
  --panel-shadow: rgba(23, 24, 27, 0.08);
  --gold: #a9803e;
  --gold-strong: #7d5f2c;
  --button-bg: #17181b;
  --button-text: #f6f4ef;
  --focus: #8a6a30;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0d0f;
    --glow-1: rgba(205, 168, 102, 0.10);
    --glow-2: rgba(120, 150, 200, 0.06);
    --ink: #f2f0ea;
    --muted: #b4b1a8;
    --faint: #8a8780;
    --border: rgba(242, 240, 234, 0.12);
    --panel-bg: rgba(255, 255, 255, 0.045);
    --panel-shadow: rgba(0, 0, 0, 0.45);
    --gold: #cda866;
    --gold-strong: #cda866;
    --button-bg: #f2f0ea;
    --button-text: #101114;
    --focus: #cda866;
  }
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1.25rem;
  background-color: var(--bg);
  background-image:
    radial-gradient(38rem 30rem at 12% -10%, var(--glow-1), transparent 60%),
    radial-gradient(34rem 28rem at 88% 108%, var(--glow-2), transparent 60%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.panel {
  position: relative;
  width: 100%;
  max-width: 32rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3.25rem 2.5rem 2.75rem;
  text-align: center;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow: 0 1px 2px var(--panel-shadow), 0 20px 48px -24px var(--panel-shadow);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3.5rem;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

h1 {
  margin: 0 0 1.5rem;
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.brand-mark {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 1.85rem;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1rem; }

.lead {
  font-size: 1.1rem;
  color: var(--ink);
}

.sub {
  color: var(--muted);
  margin-bottom: 0;
}

.rule {
  width: 3rem;
  height: 1px;
  margin: 1.75rem auto;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

.action {
  margin: 0 0 1.15rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.75rem 1.5rem;
  background: var(--button-bg);
  color: var(--button-text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--button-bg);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.button svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.button:hover {
  opacity: 0.94;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -8px var(--panel-shadow);
}

.button:active {
  transform: translateY(0);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.email {
  margin-bottom: 2.25rem;
  font-size: 0.9rem;
}

.email a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.85rem;
}

.email svg {
  width: 13px;
  height: 13px;
  flex: none;
  opacity: 0.8;
}

.note {
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--faint);
}

a { color: var(--gold-strong); }

a:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 8px;
}

.foot {
  margin-top: 1.75rem;
  font-size: 0.78rem;
  color: var(--faint);
  letter-spacing: 0.01em;
}

.foot p { margin: 0; }

@media (max-width: 30rem) {
  .panel { padding: 2.5rem 1.5rem 2.25rem; }
  h1 { font-size: 1.4rem; }
  .brand-mark { font-size: 1.55rem; }
}