/* ===== Mo Dung Blog — style.css ===== */
:root{
  --rose:#d6336c;
  --rose-dark:#a61e4d;
  --rose-soft:#ffe3ee;
  --plum:#3a1024;
  --ink:#2b2730;
  --muted:#6b6470;
  --cream:#fff8f4;
  --card:#ffffff;
  --line:#f0e3ea;
  --shadow:0 10px 30px rgba(166,30,77,.08);
  --radius:18px;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.75;
  font-size:17px;
}
a{color:var(--rose);text-decoration:none}
a:hover{color:var(--rose-dark)}
img{max-width:100%}

/* ---- Header ---- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,248,244,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--max);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--plum);font-size:1.15rem}
.brand .logo{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--rose),#ff9bbb);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.1rem;
  box-shadow:var(--shadow);
}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:.72rem;letter-spacing:.5px}
.nav-links{display:flex;gap:22px;font-weight:600;font-size:.95rem}
.nav-links a{color:var(--ink)}
.nav-links a:hover{color:var(--rose)}

/* ---- Hero ---- */
.hero{
  background:radial-gradient(1200px 400px at 80% -10%,var(--rose-soft),transparent),
             linear-gradient(180deg,#fff,transparent);
  padding:64px 20px 36px;
}
.hero-inner{max-width:var(--max);margin:0 auto;text-align:center}
.hero .eyebrow{
  display:inline-block;background:var(--rose-soft);color:var(--rose-dark);
  font-weight:700;font-size:.8rem;letter-spacing:1px;text-transform:uppercase;
  padding:7px 16px;border-radius:999px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.2;margin:.2em 0;color:var(--plum);
  font-weight:800;max-width:18ch;margin-inline:auto;
}
.hero p{font-size:1.1rem;color:var(--muted);max-width:60ch;margin:18px auto 0}

/* ---- Layout ---- */
.container{max-width:var(--max);margin:0 auto;padding:40px 20px 10px}
.section-title{
  font-size:1.4rem;font-weight:800;color:var(--plum);margin:0 0 22px;
  display:flex;align-items:center;gap:12px;
}
.section-title::before{content:"";width:28px;height:4px;border-radius:4px;background:var(--rose)}

/* ---- Cards grid ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:26px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(166,30,77,.14)}
.card.feature{grid-column:1/-1;background:linear-gradient(120deg,#fff,var(--rose-soft))}
.pill{
  align-self:flex-start;background:var(--rose-soft);color:var(--rose-dark);
  font-weight:700;font-size:.74rem;padding:5px 13px;border-radius:999px;letter-spacing:.3px;
}
.card h3{margin:0;font-size:1.2rem;line-height:1.4;color:var(--plum);font-weight:700}
.card.feature h3{font-size:1.5rem}
.card p{margin:0;color:var(--muted);font-size:.98rem}
.card .read{margin-top:auto;font-weight:700;color:var(--rose);display:inline-flex;align-items:center;gap:6px}
.card .read::after{content:"→";transition:transform .18s}
.card:hover .read::after{transform:translateX(4px)}
.card .meta{font-size:.82rem;color:var(--muted)}

/* ---- Article ---- */
.article{max-width:760px;margin:0 auto;padding:30px 20px 10px}
.article .pill{margin-bottom:16px}
.article h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.25;color:var(--plum);font-weight:800;margin:.2em 0 .3em}
.article .byline{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.92rem;margin-bottom:8px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.article .byline .logo{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--rose),#ff9bbb);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.95rem}
.content{font-size:1.06rem}
.content h2{font-size:1.4rem;color:var(--plum);font-weight:800;margin:1.7em 0 .5em;padding-left:14px;border-left:4px solid var(--rose)}
.content p{margin:0 0 1.1em}
.content ul,.content ol{margin:0 0 1.3em;padding-left:1.3em}
.content li{margin-bottom:.6em}
.content blockquote{
  margin:1.5em 0;padding:18px 24px;background:var(--rose-soft);
  border-left:5px solid var(--rose);border-radius:0 12px 12px 0;
  font-size:1.12rem;font-style:italic;color:var(--rose-dark);font-weight:500;
}
.content blockquote p{margin:0}

/* ---- CTA box ---- */
.cta{
  margin:40px auto;max-width:760px;padding:30px;border-radius:var(--radius);
  background:linear-gradient(120deg,var(--rose),var(--rose-dark));color:#fff;text-align:center;
  box-shadow:var(--shadow);
}
.cta h3{margin:0 0 8px;font-size:1.4rem;font-weight:800}
.cta p{margin:0 0 18px;opacity:.95}
.btn{
  display:inline-block;background:#fff;color:var(--rose-dark);font-weight:800;
  padding:13px 28px;border-radius:999px;font-size:1rem;transition:transform .15s;
}
.btn:hover{transform:scale(1.04);color:var(--rose-dark)}
.back{display:inline-flex;align-items:center;gap:8px;margin:30px 0 10px;font-weight:700}
.back::before{content:"←"}

/* ---- Footer ---- */
.site-footer{
  margin-top:60px;background:var(--plum);color:#f6e9f0;padding:46px 20px 26px;
}
.footer-inner{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.footer-brand{max-width:380px}
.footer-brand .brand{color:#fff;margin-bottom:12px}
.footer-brand p{color:#d9b8c8;font-size:.95rem;margin:0}
.socials{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start}
.socials a{
  background:rgba(255,255,255,.1);color:#fff;font-weight:600;font-size:.88rem;
  padding:9px 16px;border-radius:999px;transition:background .15s;
}
.socials a:hover{background:var(--rose)}
.copyright{max-width:var(--max);margin:26px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#c79bb0;font-size:.84rem;text-align:center}

@media(max-width:640px){
  body{font-size:16px}
  .nav-links{display:none}
  .hero{padding:44px 18px 24px}
  .footer-inner{flex-direction:column}
}