/* ===== bodybuildinglegends.co — Fitness & Bodybuilding ===== */
:root{
  --bg:#0a0a0b; --surface:#141416; --card:#1a1a1d; --border:#2a2a2e;
  --text:#f5f5f5; --muted:#a1a1aa; --accent:#DC2626; --accent2:#f87171;
  --accent-soft:rgba(220,38,38,.12); --radius:16px; --maxw:1160px;
  --shadow:0 10px 40px rgba(0,0,0,.5); --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* Header / Nav */
header{position:sticky;top:0;z-index:50;background:rgba(10,10,11,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#991b1b);display:grid;place-items:center;font-size:1.1rem;box-shadow:0 4px 14px var(--accent-soft)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 14px;border-radius:10px;font-size:.93rem;font-weight:600;color:var(--muted);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--card)}
.menu-btn{display:none;background:var(--card);border:1px solid var(--border);color:var(--text);width:42px;height:42px;border-radius:10px;font-size:1.3rem;cursor:pointer}

/* Hero */
.hero{padding:70px 0 50px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);width:700px;height:500px;background:radial-gradient(circle,var(--accent-soft),transparent 70%);z-index:-1}
.badge{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--border);padding:7px 15px;border-radius:100px;font-size:.83rem;color:var(--accent2);font-weight:600;margin-bottom:22px}
.hero h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.08;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.12rem;color:var(--muted);max-width:640px;margin:0 auto 30px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:12px;font-weight:700;font-size:.98rem;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),#b91c1c);color:#fff;box-shadow:0 8px 24px var(--accent-soft)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(220,38,38,.35)}
.btn-ghost{background:var(--card);border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent)}

/* Sections */
section{padding:56px 0}
.section-head{text-align:center;max-width:620px;margin:0 auto 40px}
.section-head h2{font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:1.05rem}
.eyebrow{color:var(--accent2);font-weight:700;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}

/* Cards grid */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:13px;background:var(--accent-soft);display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px}
.card h3{font-size:1.18rem;font-weight:700;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.card .arrow{margin-top:14px;color:var(--accent2);font-weight:700;font-size:.9rem}

/* Tool / Calculator */
.page-hero{padding:48px 0 26px;text-align:center;border-bottom:1px solid var(--border)}
.page-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:600px;margin:0 auto}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:16px}
.breadcrumb a:hover{color:var(--accent2)}
.tool-wrap{max-width:720px;margin:36px auto}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:8px}
.field input,.field select{width:100%;padding:13px 15px;background:var(--surface);border:1px solid var(--border);border-radius:11px;color:var(--text);font-size:1rem;font-family:inherit;transition:.2s}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.radio-group{display:flex;gap:10px}
.radio-group label{flex:1;text-align:center;padding:11px;background:var(--surface);border:1px solid var(--border);border-radius:11px;cursor:pointer;font-weight:600;font-size:.9rem;transition:.2s}
.radio-group input{display:none}
.radio-group input:checked+span{color:var(--accent2)}
.radio-group label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.result{margin-top:24px;padding:24px;background:linear-gradient(135deg,var(--accent-soft),transparent);border:1px solid var(--accent);border-radius:14px;text-align:center}
.result .big{font-size:2.6rem;font-weight:800;color:var(--accent2);line-height:1}
.result .lbl{color:var(--muted);font-size:.9rem;margin-top:8px}
.result-detail{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:18px}
.result-detail .item{background:var(--surface);padding:12px;border-radius:10px}
.result-detail .item .v{font-size:1.3rem;font-weight:700}
.result-detail .item .k{font-size:.78rem;color:var(--muted)}

/* Ad bands */
.ad-band{margin:30px auto;text-align:center;max-width:var(--maxw);padding:0 20px}
.ad-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:6px}
.ad-box{min-height:90px;display:flex;align-items:center;justify-content:center}
.ad-band:has(.ad-box:empty){display:none}

/* Article */
.article{max-width:760px;margin:0 auto;padding:44px 20px}
.article h1{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.article h2{font-size:1.5rem;font-weight:700;margin:34px 0 14px}
.article h3{font-size:1.2rem;font-weight:700;margin:26px 0 10px}
.article p{color:#d4d4d8;margin-bottom:16px;font-size:1.05rem}
.article ul,.article ol{margin:0 0 16px 22px;color:#d4d4d8}
.article li{margin-bottom:8px}
.article .lead{font-size:1.18rem;color:var(--text)}
.article blockquote{border-left:3px solid var(--accent);padding:8px 20px;margin:20px 0;color:var(--muted);font-style:italic;background:var(--card);border-radius:0 10px 10px 0}
.cta-box{background:linear-gradient(135deg,var(--accent-soft),transparent);border:1px solid var(--accent);border-radius:14px;padding:26px;margin:30px 0;text-align:center}
.cta-box h3{margin-bottom:10px}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent2);font-weight:600;margin-top:30px}

/* Blog list */
.post-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s}
.post-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.post-card .body{padding:22px}
.post-card .tag{display:inline-block;font-size:.72rem;font-weight:700;color:var(--accent2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
.post-card h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.post-card p{color:var(--muted);font-size:.92rem}

/* CTA strip */
.cta-strip{background:linear-gradient(135deg,#1a1a1d,#141416);border:1px solid var(--border);border-radius:20px;padding:44px;text-align:center;margin:40px auto}
.cta-strip h2{font-size:1.9rem;font-weight:800;margin-bottom:12px}
.cta-strip p{color:var(--muted);margin-bottom:24px}

/* Footer */
footer{border-top:1px solid var(--border);padding:48px 0 30px;margin-top:40px;background:var(--surface)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
.foot-brand p{color:var(--muted);font-size:.92rem;margin-top:12px;max-width:280px}
.foot-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.foot-col a{display:block;color:var(--text);font-size:.93rem;padding:5px 0;opacity:.8;transition:.2s}
.foot-col a:hover{opacity:1;color:var(--accent2)}
.foot-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.87rem}

/* Responsive */
@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--border);padding:12px;gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .menu-btn{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .cta-strip{padding:30px 20px}
}

/* ICON-UPGRADE */
.ico{width:56px;height:56px;border-radius:14px;background:var(--accent-soft);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:0}
.ico svg{width:28px;height:28px;color:#DC2626;stroke:#DC2626}
.logo-mark{width:30px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent-soft)}
.logo-mark svg{width:20px;height:20px;color:#DC2626;stroke:#DC2626}
.logo{gap:10px}
.burger svg{width:26px;height:26px;display:block}
.foot-grid .logo-mark{width:26px;height:26px}
.foot-grid .logo-mark svg{width:17px;height:17px}