:root {
  --bg: #090c14;
  --bg-alt: #0e1422;
  --surface: #131c2f;
  --text: #e7edf9;
  --text-muted: #a6b3d1;
  --accent: #20d3ee;
  --accent-strong: #2c8dff;
  --border: rgba(188, 209, 255, 0.2);
  --danger: #ff7f9a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(32, 211, 238, 0.15), transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(44, 141, 255, 0.2), transparent 35%),
    linear-gradient(180deg, #070b12 0%, #0b1120 100%);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(8, 12, 20, 0.75);
  border-bottom: 1px solid rgba(190, 214, 255, 0.12);
}

.header-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--accent);
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.3px;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
}

.hero-text {
  margin-top: 1.25rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Proxy form styles */
.proxy-form {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.8rem;
}

.proxy-form input {
  min-height: 56px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 1rem;
  font: inherit;
  color: var(--text);
  background: rgba(15, 23, 40, 0.95);
}

.proxy-form input:focus {
  outline: 2px solid rgba(32, 211, 238, 0.4);
  border-color: transparent;
}

.proxy-form button {
  min-height: 56px;
  border: 0;
  border-radius: 12px;
  padding: 0 1.2rem;
  font: inherit;
  font-weight: 700;
  color: #07111f;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  cursor: pointer;
}

.proxy-form button:hover,
.proxy-form button:focus-visible {
  filter: brightness(1.05);
}

.form-error {
  min-height: 1.3rem;
  margin: 0.55rem 0 0;
  color: var(--danger);
  font-weight: 600;
}

.hero-note {
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(15, 24, 40, 0.5), rgba(8, 12, 19, 0.5));
  border-block: 1px solid rgba(190, 214, 255, 0.1);
}

.how-grid,
.feature-grid {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

.how-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.how-grid article,
.feature-card {
  background: rgba(15, 24, 40, 0.85);
  border: 1px solid rgba(188, 209, 255, 0.15);
  border-radius: 14px;
  padding: 1rem 1.1rem;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card svg {
  width: 28px;
  height: 28px;
  fill: var(--accent);
}

.feature-card h3 {
  margin: 0.8rem 0 0.45rem;
}

.feature-card p,
.how-grid p,
.section p {
  color: var(--text-muted);
}

.site-footer {
  border-top: 1px solid rgba(188, 209, 255, 0.14);
  padding: 1.2rem 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.site-footer p {
  margin: 0;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

.sr-only,
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

@media (max-width: 900px) {
  .how-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-wrap {
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.65rem 0;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
  }

  .hero {
    padding-top: 3.8rem;
  }

  .proxy-form {
    grid-template-columns: 1fr;
  }

  .proxy-form button {
    width: 100%;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}