:root {
  color-scheme: light dark;
  --bg: #f6f4f0;
  --surface: #ffffff;
  --text: #171717;
  --muted: #5f5f5f;
  --accent: #d97706;
  --accent-strong: #b45309;
  --border: rgba(0, 0, 0, 0.12);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
}

:root[data-theme="dark"] {
  --bg: #0c0e12;
  --surface: #141821;
  --text: #f5f5f5;
  --muted: #b6b6b6;
  --accent: #f59e0b;
  --accent-strong: #fbbf24;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "DM Sans", "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at top left, rgba(217, 119, 6, 0.2), transparent 50%),
    radial-gradient(circle at bottom right, rgba(20, 184, 166, 0.25), transparent 45%),
    var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 32px;
  transition: background 220ms ease, color 220ms ease;
}

.page {
  width: min(720px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
}

.lede {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.contact {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.comments {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.comments h2 {
  margin: 0 0 16px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.contact h2 {
  margin: 0 0 16px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
}

.field input,
.field textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 14px;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.25);
}

.primary-button {
  justify-self: start;
  border: none;
  border-radius: 999px;
  padding: 12px 24px;
  background: var(--accent);
  color: #1c1204;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.primary-button:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
  box-shadow: 0 12px 24px rgba(217, 119, 6, 0.25);
}

.theme-toggle {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 20px;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}