:root {
  color-scheme: dark;
  --bg: #111312;
  --panel: rgba(29, 31, 29, 0.78);
  --panel-strong: rgba(35, 37, 35, 0.94);
  --line: rgba(245, 241, 232, 0.16);
  --line-strong: rgba(245, 241, 232, 0.3);
  --text: #f5f1e8;
  --muted: rgba(245, 241, 232, 0.66);
  --soft: rgba(245, 241, 232, 0.42);
  --accent: #64d7ad;
  --accent-2: #8faad4;
  --grid: rgba(245, 241, 232, 0.045);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 76% 12%, rgba(100, 215, 173, 0.12), transparent 34rem),
    radial-gradient(circle at 18% 4%, rgba(143, 170, 212, 0.13), transparent 28rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 80px),
    linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 80px),
    var(--bg);
  color: var(--text);
  font-family: "Suisse Intl", "Neue Haas Grotesk Text", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.seo-shell {
  width: min(92rem, calc(100% - clamp(1.2rem, 4vw, 5rem)));
  margin: 0 auto;
}

.seo-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: min(92rem, calc(100% - clamp(1.2rem, 4vw, 5rem)));
  margin: 0 auto;
  padding: 1.05rem 0;
  backdrop-filter: blur(20px);
}

.seo-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.6rem 0.7rem 0.6rem 1rem;
  background: rgba(17, 19, 18, 0.82);
}

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.seo-mark {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), rgba(143, 170, 212, 0.82));
  box-shadow: 0 0 0 6px rgba(100, 215, 173, 0.08);
}

.seo-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
}

.seo-links a,
.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--line);
  background: rgba(245, 241, 232, 0.04);
  color: var(--text);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 800;
}

.seo-button-primary {
  border-color: rgba(100, 215, 173, 0.48);
  background: var(--text);
  color: #141514;
}

.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 0.72fr);
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: center;
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
}

.seo-kicker {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: 1.1rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 950;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.seo-kicker::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 10.4ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3.25rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.seo-lead {
  max-width: 46rem;
  color: var(--muted);
  font-size: clamp(1.12rem, 1.6vw, 1.42rem);
  line-height: 1.6;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
  margin-top: 1.75rem;
}

.seo-panel {
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  padding: clamp(1.15rem, 2.4vw, 1.7rem);
  background:
    linear-gradient(150deg, rgba(245, 241, 232, 0.08), rgba(245, 241, 232, 0.025)),
    var(--panel);
  box-shadow: none;
}

.seo-preview {
  display: grid;
  gap: 0.9rem;
}

.seo-preview-head {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 950;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.seo-preview-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  background: rgba(17, 19, 18, 0.58);
}

.seo-preview-card span,
.seo-mini span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.seo-preview-card strong {
  display: block;
  color: var(--text);
  line-height: 1.35;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.15rem);
  margin: clamp(1.2rem, 3vw, 2rem) 0;
}

.seo-mini {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem;
  background: rgba(245, 241, 232, 0.045);
}

.seo-section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.seo-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(16rem, 0.28fr);
  gap: 1.4rem;
  align-items: end;
  margin-bottom: 1.2rem;
}

.seo-section h2 {
  max-width: 16ch;
  margin-bottom: 0;
  font-size: clamp(2.1rem, 4.2vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.seo-section-head p,
.seo-card p,
.seo-faq p {
  color: var(--muted);
  line-height: 1.62;
}

.seo-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.15rem);
}

.seo-card {
  min-height: 13rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1rem, 2vw, 1.25rem);
  background: rgba(245, 241, 232, 0.04);
}

.seo-card h3 {
  margin-bottom: 0.65rem;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
}

.seo-keyword-band {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.seo-keyword-band span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.72rem;
  color: var(--muted);
  background: rgba(245, 241, 232, 0.035);
  font-size: 0.84rem;
  font-weight: 800;
}

.seo-faq {
  display: grid;
  gap: 0.8rem;
}

.seo-faq details {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  background: rgba(245, 241, 232, 0.04);
}

.seo-faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 900;
}

.seo-footer {
  padding: 2.2rem 0 3rem;
  color: var(--soft);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .seo-hero,
  .seo-section-head {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 11ch;
  }

  .seo-card-grid,
  .seo-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .seo-shell,
  .seo-header {
    width: min(100% - 1.1rem, 92rem);
  }

  .seo-header {
    padding-top: 0.55rem;
  }

  .seo-nav {
    align-items: flex-start;
    border-radius: 22px;
    flex-direction: column;
  }

  .seo-links {
    justify-content: flex-start;
  }

  .seo-links a {
    min-height: 2.25rem;
    padding: 0.55rem 0.75rem;
  }

  .seo-hero {
    padding-top: 3.3rem;
  }

  h1 {
    font-size: clamp(2.75rem, 15vw, 4.7rem);
  }

  .seo-card-grid,
  .seo-grid {
    grid-template-columns: 1fr;
  }
}