/* =========================================
   GLOBAL
========================================= */
.r-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #0f172a;
  background: #ffffff;
}

a {
  text-decoration: none;
}

/* =========================================
   BUTTON
========================================= */
.btn-accent {
  display: inline-block;
  background: linear-gradient(135deg, #4fd1c5, #2bb3a6);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(79, 209, 197, 0.35);
}



/* =========================================
   HERO
========================================= */
.seo-hero {
  background:
    radial-gradient(900px circle at 10% 20%, rgba(79, 209, 197, 0.18), transparent 55%),
    radial-gradient(900px circle at 90% 80%, rgba(45, 101, 169, 0.22), transparent 60%),
    linear-gradient(180deg, #0e1620 0%, #121c26 100%);
  color: #ffffff;
  padding: 120px 0 110px;
}

.seo-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.15;
  font-weight: 800;
  max-width: 900px;
  margin-bottom: 22px;
}

.seo-intro {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 720px;
  margin-bottom: 34px;
}

.seo-intro strong {
  color: #ffffff;
  font-weight: 600;
}

/* =========================================
   SECTIONS
========================================= */
.seo-section {
  padding: 90px 0;
  background: #ffffff;
}

.seo-section.alt {
  background: #f8fafc;
}

.seo-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 18px;
}

.seo-section p {
  max-width: 850px;
  color: #64748b;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

/* =========================================
   LIST
========================================= */
.seo-list {
  margin-top: 26px;
  padding-left: 0;
  list-style: none;
  max-width: 720px;
}

.seo-list li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 14px;
  font-weight: 500;
  color: #0f172a;
}

.seo-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 2px;
  color: #4fd1c5;
  font-weight: 700;
}

/* =========================================
   FEATURES GRID
========================================= */
.seo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.seo-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 28px 26px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.seo-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #0f172a;
}

.seo-card p {
  margin: 0;
  color: #64748b;
  font-size: 0.95rem;
}

.seo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
}

/* =========================================
   CTA
========================================= */
.seo-cta {
  background:
    radial-gradient(700px circle at 50% 0%, rgba(79, 209, 197, 0.25), transparent 60%),
    linear-gradient(180deg, #0e1620, #121c26);
  color: #ffffff;
  text-align: center;
  padding: 110px 20px;
}

.seo-cta h2 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.seo-cta p {
  max-width: 700px;
  margin: 0 auto 34px;
  color: rgba(255, 255, 255, 0.8);
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 768px) {
  .seo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .seo-hero {
    padding: 90px 0 80px;
  }

  .seo-section {
    padding: 70px 0;
  }
}