:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.8);
  --text: #0c0c0d;
  --muted: #5c5c60;
  --border: rgba(0, 0, 0, 0.08);
  --primary: #0a84ff;
  --positive: #34c759;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  --radius: 20px;
  --max-width: 980px;
  --transition: 180ms ease;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0f;
    --surface: rgba(22, 22, 26, 0.72);
    --text: #f7f7f8;
    --muted: #a1a1aa;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at top, rgba(10, 132, 255, 0.08), transparent 45%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--primary);
}

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.hero {
  padding: 96px 0 64px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.5rem, 3vw, 3.4rem);
  margin: 0 0 16px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 620px;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(10, 132, 255, 0.3);
}

.button.primary:hover {
  transform: translateY(-1px);
}

.button.primary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.features {
  padding: 24px 0 80px;
}

.features h2 {
  margin: 0 0 20px;
  font-size: 1.5rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.feature-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.page {
  padding: 72px 0 96px;
}

.page h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.subtle {
  color: var(--muted);
  margin-top: 0;
}

.support-form {
  margin-top: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

label {
  font-weight: 600;
}

input,
textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}

input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.field-error {
  color: #d61f1f;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-status {
  margin-top: 16px;
  font-weight: 600;
}

.form-status[data-type="success"] {
  color: var(--positive);
}

.form-status[data-type="error"] {
  color: #d61f1f;
}

.turnstile {
  margin: 20px 0 16px;
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.policy h2 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.policy p {
  margin-top: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 32px;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-nav nav {
  display: flex;
  gap: 16px;
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .support-form {
    padding: 20px;
  }
}