/* /blog/assets/css/post.css */

/* =========================
   RESET
========================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================
   THEME
========================= */

:root {
  --bg: #f4f7fb;
  --bg-secondary: rgba(255, 255, 255, 0.72);

  --text: #0f172a;
  --text-soft: #64748b;

  --heading: #020617;

  --primary: #2563eb;
  --primary-light: #60a5fa;

  --border: rgba(255, 255, 255, 0.25);

  --glass: rgba(255, 255, 255, 0.7);

  --blur: blur(16px);

  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);

  --card-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);

  --hero-gradient:
    radial-gradient(
      circle at top left,
      rgba(37, 99, 235, 0.14),
      transparent 30%
    ),
    radial-gradient(
      circle at top right,
      rgba(96, 165, 250, 0.12),
      transparent 30%
    );
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050816;

    --bg-secondary: rgba(15, 23, 42, 0.78);

    --glass: rgba(15, 23, 42, 0.65);

    --text: #e2e8f0;

    --text-soft: #94a3b8;

    --heading: #ffffff;

    --border: rgba(255, 255, 255, 0.08);

    --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);

    --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);

    --hero-gradient:
      radial-gradient(
        circle at top left,
        rgba(37, 99, 235, 0.22),
        transparent 35%
      ),
      radial-gradient(
        circle at top right,
        rgba(59, 130, 246, 0.16),
        transparent 30%
      );
  }
}

/* =========================
   BASE
========================= */

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  background: var(--hero-gradient), var(--bg);

  color: var(--text);

  line-height: 1.85;

  overflow-x: hidden;

  min-height: 100vh;
}

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

.container {
  width: min(900px, 92%);
  margin-inline: auto;
}

/* =========================
   ARTICLE
========================= */

.blog-post {
  padding: clamp(40px, 8vw, 80px) 0;
}

/* =========================
   BREADCRUMB
========================= */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;

  margin-bottom: 48px;

  color: var(--text-soft);

  font-size: 0.92rem;
}

.breadcrumb a {
  transition: color 0.25s ease;
}

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

/* =========================
   HEADER
========================= */

.post-header {
  margin-bottom: 70px;
}

.post-category {
  display: inline-flex;
  align-items: center;

  padding: 10px 16px;

  border-radius: 999px;

  background: rgba(37, 99, 235, 0.12);

  color: var(--primary);

  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;

  text-transform: uppercase;

  margin-bottom: 26px;

  backdrop-filter: var(--blur);

  border: 1px solid rgba(37, 99, 235, 0.12);
}

.post-header h1 {
  font-size: clamp(3rem, 7vw, 5rem);

  line-height: 1.02;

  letter-spacing: -0.05em;

  color: var(--heading);

  margin-bottom: 28px;

  font-weight: 800;

  max-width: 850px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;

  color: var(--text-soft);

  font-size: 0.95rem;
}

/* =========================
   CONTENT
========================= */

.post-content {
  position: relative;

  background: var(--glass);

  backdrop-filter: var(--blur);

  border: 1px solid var(--border);

  border-radius: 32px;

  padding: clamp(28px, 5vw, 56px);

  box-shadow: var(--shadow);
}

.post-content p {
  margin-bottom: 28px;

  color: var(--text);

  font-size: clamp(1rem, 1.2vw, 1.08rem);
}

.post-content h2 {
  margin-top: 64px;
  margin-bottom: 22px;

  font-size: clamp(1.7rem, 3vw, 2.2rem);

  line-height: 1.2;

  letter-spacing: -0.03em;

  color: var(--heading);

  font-weight: 750;
}

.post-content ul {
  margin-bottom: 34px;

  padding-left: 22px;
}

.post-content li {
  margin-bottom: 14px;

  color: var(--text);
}

.post-content strong {
  color: var(--heading);
}

/* =========================
   CTA
========================= */

.cta-box {
  position: relative;

  margin: 70px 0;

  padding: clamp(28px, 5vw, 48px);

  border-radius: 32px;

  overflow: hidden;

  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.12),
    rgba(96, 165, 250, 0.08)
  );

  border: 1px solid rgba(37, 99, 235, 0.12);

  box-shadow: var(--card-shadow);
}

.cta-box::before {
  content: "";

  position: absolute;

  width: 240px;
  height: 240px;

  background: rgba(37, 99, 235, 0.12);

  border-radius: 50%;

  top: -100px;
  right: -100px;

  filter: blur(20px);
}

.cta-box h3 {
  position: relative;

  font-size: clamp(1.7rem, 4vw, 2.2rem);

  line-height: 1.2;

  margin-bottom: 18px;

  color: var(--heading);

  font-weight: 750;
}

.cta-box p {
  position: relative;

  margin-bottom: 28px;

  color: var(--text-soft);

  max-width: 650px;
}

.cta-button {
  position: relative;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 15px 28px;

  border-radius: 16px;

  background: linear-gradient(135deg, var(--primary), var(--primary-light));

  color: white;

  font-weight: 700;

  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);

  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.28);
}

/* =========================
   RELATED
========================= */

.related-posts {
  padding: 90px 0 100px;
}

.related-posts h2 {
  margin-bottom: 32px;

  font-size: clamp(2rem, 4vw, 2.6rem);

  line-height: 1.1;

  letter-spacing: -0.03em;

  color: var(--heading);
}

.related-grid {
  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

  gap: 26px;
}

.related-card {
  position: relative;

  padding: 30px;

  border-radius: 28px;

  background: var(--glass);

  backdrop-filter: var(--blur);

  border: 1px solid var(--border);

  overflow: hidden;

  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;

  box-shadow: var(--card-shadow);
}

.related-card::before {
  content: "";

  position: absolute;
  inset: 0;

  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08),
    transparent 40%
  );

  opacity: 0;

  transition: opacity 0.3s ease;
}

.related-card:hover {
  transform: translateY(-8px) scale(1.01);

  border-color: rgba(37, 99, 235, 0.22);

  box-shadow: 0 20px 45px rgba(37, 99, 235, 0.12);
}

.related-card:hover::before {
  opacity: 1;
}

.related-category {
  display: inline-flex;

  padding: 8px 14px;

  border-radius: 999px;

  background: rgba(37, 99, 235, 0.12);

  color: var(--primary);

  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;

  text-transform: uppercase;

  margin-bottom: 18px;
}

.related-card h3 {
  font-size: 1.25rem;

  line-height: 1.45;

  color: var(--heading);

  transition: color 0.25s ease;
}

.related-card:hover h3 {
  color: var(--primary);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 768px) {
  .blog-post {
    padding-top: 36px;
  }

  .post-header {
    margin-bottom: 50px;
  }

  .post-content {
    border-radius: 26px;
  }

  .cta-box {
    border-radius: 26px;
  }

  .related-card {
    border-radius: 24px;
  }
}

@media (max-width: 540px) {
  .container {
    width: min(100%, 92%);
  }

  .post-header h1 {
    line-height: 1.08;
  }

  .post-content {
    padding: 24px;
  }

  .breadcrumb {
    gap: 8px;
    font-size: 0.85rem;
  }

  .post-meta {
    gap: 10px;
    font-size: 0.88rem;
  }

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