/* -------------------------
   Visual / Theme variables
   ------------------------- */
:root{
  --bg: #fbfbfb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #d63384;
  --accent-2: #2563eb;
  --radius: 12px;
  --glass: rgba(255,255,255,0.6);
  --shadow: 0 10px 30px rgba(2,6,23,0.06);
  --max-width: 1100px;
}
[data-theme="dark"]{
  --bg:#071026; --surface:#0b1220; --text:#e6eef8; --muted:#9aa6b2; --shadow: 0 10px 30px rgba(2,6,23,0.5);
}

/* Base */
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,-apple-system,Helvetica,Arial;}
a{color:inherit}
.container{width:90%;max-width:var(--max-width);margin:0 auto;padding:36px 0}

/* Utility */
.muted{color:var(--muted)}
.small{font-size:0.9rem}
.section-title{font-family:'Merriweather', serif;font-size:1.5rem;margin:8px 0 18px}

/* Header */
.site-header{position:sticky;top:0;background:var(--surface);backdrop-filter:blur(6px);z-index:30;border-bottom:1px solid rgba(0,0,0,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand .logo{font-weight:700;font-size:1.05rem}
.brand .tagline{font-size:0.9rem;color:var(--muted)}
.main-nav{display:flex;gap:14px;align-items:center}
.main-nav a{font-weight:600;padding:8px 10px;border-radius:8px}
.main-nav a:hover{background:linear-gradient(90deg, rgba(0,0,0,0.03), transparent)}
.chip{padding:8px 10px;border-radius:10px;border:none;background:transparent;cursor:pointer}

/* Intro */
.intro{background:linear-gradient(180deg,transparent,rgba(0,0,0,0.02));padding:48px 0}
.intro-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.profile-pic{width:140px;height:140px;border-radius:50%;object-fit:cover;border:4px solid var(--accent);box-shadow:var(--shadow)}
.intro-text{max-width:720px}
.lead{font-size:1.05rem;color:var(--muted);margin-top:6px}
.accent{color:var(--accent);font-weight:700}
.cta-row{margin-top:16px;display:flex;gap:12px}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;background:var(--text);color:#fff;font-weight:600;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid rgba(0,0,0,0.06);color:var(--text)}
.btn:hover{transform:translateY(-3px)}
.btn.ghost:hover{background:rgba(0,0,0,0.02)}

/* Featured */
.featured-card{display:grid;grid-template-columns:1fr;gap:18px;background:var(--surface);padding:18px;border-radius:12px;box-shadow:var(--shadow)}
.featured-card img{width:100%;height:420px;object-fit:cover;border-radius:10px}
.featured-card h3{font-family:'Merriweather', serif;margin:0;font-size:1.6rem}
.featured-card p{color:var(--muted)}

/* Blog grid */
.blog-grid{padding-top:12px}
.posts-grid{display:grid;gap:20px}
@media(min-width:740px){
  .posts-grid{grid-template-columns:repeat(2,1fr)}
}
.post-card{background:var(--surface);padding:14px;border-radius:12px;box-shadow:0 6px 20px rgba(2,6,23,0.04);transition:transform .22s, box-shadow .22s}
.post-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(2,6,23,0.08)}
.post-card img{width:100%;height:180px;object-fit:cover;border-radius:8px}
.post-card h4{margin:12px 0 6px;font-family:'Merriweather', serif}
.post-card p{color:var(--muted);margin:0 0 10px}

/* Modal reader */
.modal{position:fixed;inset:0;background:rgba(2,6,23,0.6);display:none;align-items:center;justify-content:center;padding:24px;z-index:60}
.modal[aria-hidden="false"]{display:flex}
.modal-panel{width:100%;max-width:900px;background:var(--surface);padding:22px;border-radius:12px;overflow:auto;max-height:90vh;box-shadow:var(--shadow)}
.close{position:absolute;right:28px;top:24px;background:none;border:none;font-size:1.1rem;cursor:pointer}
.post-article img.reader-image{width:100%;height:360px;object-fit:cover;border-radius:8px;margin:12px 0}

/* About / Contact */
.about,.contact{background:var(--surface);padding:28px;border-radius:12px;margin-top:26px;box-shadow:var(--shadow)}
.contact-form{display:flex;flex-direction:column;gap:12px;max-width:640px}
.contact-form input, .contact-form textarea{padding:12px;border-radius:8px;border:1px solid rgba(0,0,0,0.06);font-size:1rem}
.form-row{display:flex;gap:10px;align-items:center}

/* Footer */
.site-footer{padding:28px 0;color:var(--muted);text-align:center}

/* Progress bar */
#progressBar{position:fixed;top:0;left:0;height:4px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));z-index:120}

/* Responsive tweaks */
@media(max-width:720px){
  .intro-inner{flex-direction:column;text-align:center}
  .main-nav{flex-wrap:wrap;gap:6px}
  .profile-pic{width:110px;height:110px}
  .featured-card img{height:240px}
}