@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@500;600;700&display=swap');

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

:root {
  --bg: hsl(222, 47%, 6%);
  --fg: hsl(210, 40%, 96%);
  --card: hsl(222, 47%, 9%);
  --primary: hsl(195, 100%, 50%);
  --primary-fg: hsl(222, 47%, 6%);
  --muted: hsl(215, 20%, 55%);
  --border: hsl(222, 30%, 18%);
  --secondary: hsl(222, 30%, 14%);
  --accent: hsl(260, 80%, 60%);
  --radius: 0.75rem;
  --gradient-primary: linear-gradient(135deg, hsl(195, 100%, 50%), hsl(220, 100%, 60%));
  --gradient-card: linear-gradient(145deg, hsl(222, 30%, 12%), hsl(222, 30%, 8%));
  --orange: linear-gradient(to right, hsl(24, 100%, 50%), hsl(20, 100%, 45%));
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Space Grotesk', sans-serif; line-height: 1.3; }

a { color: var(--primary); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.85; }

img { max-width: 100%; height: auto; border-radius: var(--radius); }

/* HEADER */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: hsla(222, 30%, 10%, 0.6);
  border-bottom: 1px solid var(--border);
}
.site-header nav {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
}
.site-header .logo { height: 40px; }
.site-header .nav-links { display: flex; gap: 2rem; list-style: none; }
.site-header .nav-links a { color: var(--muted); font-size: 0.875rem; font-weight: 500; }
.site-header .nav-links a:hover { color: var(--fg); }
.site-header .cta-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.625rem 1.5rem; border-radius: 0.5rem;
  background: var(--orange); color: #fff;
  font-weight: 600; font-size: 0.875rem; border: none; cursor: pointer;
}
.site-header .cta-btn:hover { opacity: 0.9; }
.site-header .mobile-toggle { display: none; background: none; border: none; color: var(--fg); cursor: pointer; }

@media (max-width: 768px) {
  .site-header .nav-links, .site-header .cta-btn { display: none; }
  .site-header .mobile-toggle { display: block; }
  .mobile-menu { display: flex; flex-direction: column; gap: 1rem; padding: 1rem 1.5rem 1.5rem; border-top: 1px solid var(--border); background: hsla(222, 30%, 10%, 0.9); backdrop-filter: blur(20px); }
  .mobile-menu a { color: var(--muted); font-size: 0.875rem; font-weight: 500; }
  .mobile-menu .cta-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.625rem 1.5rem; border-radius: 0.5rem; background: var(--orange); color: #fff; font-weight: 600; font-size: 0.875rem; border: none; width: fit-content; }
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border); padding: 4rem 0;
}
.site-footer .footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem;
}
.site-footer .footer-logo { height: 40px; margin-bottom: 1rem; }
.site-footer p { color: var(--muted); font-size: 0.875rem; line-height: 1.6; margin-bottom: 1.5rem; }
.site-footer h4 { font-family: 'Space Grotesk', sans-serif; font-weight: 600; margin-bottom: 1rem; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 0.625rem; }
.site-footer ul a { color: var(--muted); font-size: 0.875rem; }
.site-footer ul a:hover { color: var(--fg); }
.site-footer .footer-bottom {
  max-width: 1200px; margin: 3rem auto 0; padding: 2rem 1.5rem 0;
  border-top: 1px solid var(--border); text-align: center;
  color: var(--muted); font-size: 0.875rem;
}

@media (max-width: 768px) {
  .site-footer .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .site-footer .footer-inner { grid-template-columns: 1fr; }
}

/* ARTICLE */
.article-wrapper {
  max-width: 800px; margin: 0 auto; padding: 7rem 1.5rem 4rem;
}
.article-wrapper .breadcrumb {
  font-size: 0.875rem; color: var(--muted); margin-bottom: 2rem;
}
.article-wrapper .breadcrumb a { color: var(--primary); }
.article-wrapper .article-meta {
  display: flex; gap: 1.5rem; align-items: center;
  font-size: 0.8rem; color: var(--muted); margin-bottom: 1.5rem;
}
.article-wrapper .article-category {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--primary); background: hsla(195, 100%, 50%, 0.1);
  padding: 0.25rem 0.75rem; border-radius: 999px; margin-bottom: 1rem;
}
.article-wrapper h1 {
  font-size: 2.25rem; font-weight: 700; margin-bottom: 1rem; line-height: 1.2;
}
.article-wrapper h2 {
  font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
}
.article-wrapper h3 {
  font-size: 1.2rem; font-weight: 600; margin: 2rem 0 0.75rem;
}
.article-wrapper p { margin-bottom: 1rem; color: hsla(210, 40%, 90%, 0.85); }
.article-wrapper ul, .article-wrapper ol {
  margin: 1rem 0 1.5rem 1.5rem; color: hsla(210, 40%, 90%, 0.85);
}
.article-wrapper li { margin-bottom: 0.5rem; }
.article-wrapper .article-img {
  width: 100%; border-radius: var(--radius); margin: 2rem 0;
  border: 1px solid var(--border);
}
.article-wrapper blockquote {
  border-left: 3px solid var(--primary); padding: 1rem 1.5rem;
  margin: 1.5rem 0; background: var(--card); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted); font-style: italic;
}
.article-wrapper .cta-box {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem; text-align: center; margin: 2.5rem 0;
}
.article-wrapper .cta-box h3 { margin-top: 0; }
.article-wrapper .cta-box .btn-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 2rem; border-radius: 0.5rem; margin-top: 1rem;
  background: var(--orange); color: #fff;
  font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer;
}
.article-wrapper .cta-box .btn-cta:hover { opacity: 0.9; }

/* ARTICLE HERO BANNER */
.article-hero {
  width: 100%; height: 280px; border-radius: var(--radius);
  margin: 1.5rem 0 2rem; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem;
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.article-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 40%, hsla(0,0%,100%,0.08) 0%, transparent 60%),
              radial-gradient(circle at 70% 80%, hsla(0,0%,100%,0.05) 0%, transparent 50%);
}
.article-hero-icon {
  font-size: 4.5rem; z-index: 1;
  filter: drop-shadow(0 4px 20px hsla(0,0%,0%,0.4));
  animation: heroFloat 3s ease-in-out infinite;
}
.article-hero-label {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem;
  font-weight: 600; color: hsla(0,0%,100%,0.9); z-index: 1;
  text-transform: uppercase; letter-spacing: 0.1em;
  text-shadow: 0 2px 10px hsla(0,0%,0%,0.5);
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@media (max-width: 640px) {
  .article-hero { height: 200px; }
  .article-hero-icon { font-size: 3.5rem; }
  .article-hero-label { font-size: 0.9rem; }
}

/* Also support .blog-post styles same as .article-wrapper */
.blog-post .container {
  max-width: 800px; margin: 0 auto; padding: 7rem 1.5rem 4rem;
}
.blog-post .breadcrumb {
  font-size: 0.875rem; color: var(--muted); margin-bottom: 2rem;
}
.blog-post .breadcrumb a { color: var(--primary); }
.blog-post .meta {
  display: flex; gap: 1.5rem; align-items: center;
  font-size: 0.8rem; color: var(--muted); margin-bottom: 0.5rem;
}
.blog-post .category-badge {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--primary); background: hsla(195, 100%, 50%, 0.1);
  padding: 0.25rem 0.75rem; border-radius: 999px;
}
.blog-post h1 {
  font-size: 2.25rem; font-weight: 700; margin-bottom: 1rem; line-height: 1.2;
}
.blog-post h2 {
  font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
}
.blog-post h3 {
  font-size: 1.2rem; font-weight: 600; margin: 2rem 0 0.75rem;
}
.blog-post p { margin-bottom: 1rem; color: hsla(210, 40%, 90%, 0.85); }
.blog-post ul, .blog-post ol {
  margin: 1rem 0 1.5rem 1.5rem; color: hsla(210, 40%, 90%, 0.85);
}
.blog-post li { margin-bottom: 0.5rem; }
.blog-post code {
  background: var(--card); padding: 0.15rem 0.5rem; border-radius: 0.25rem;
  font-size: 0.875rem; border: 1px solid var(--border);
}
.blog-post .cta-box {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem; text-align: center; margin: 2.5rem 0;
}
.blog-post .cta-box h3 { margin-top: 0; }
.blog-post .cta-button {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 2rem; border-radius: 0.5rem; margin-top: 1rem;
  background: var(--orange); color: #fff;
  font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer;
}
.blog-post .cta-button:hover { opacity: 0.9; }

@media (max-width: 640px) {
  .blog-post h1 { font-size: 1.75rem; }
  .blog-post h2 { font-size: 1.25rem; }
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 640px) {
  .article-wrapper h1 { font-size: 1.75rem; }
  .article-wrapper h2 { font-size: 1.25rem; }
}