:root{
  --bg:#f7f4ef;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e7ded1;
  --orange:#f97316;--orange2:#fff4e8;--green:#10b981;--yellow:#f59e0b;--red:#ef4444;
  --shadow:0 18px 60px rgba(15,23,42,.10);--radius:24px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
a{color:inherit;text-decoration:none}button,input{font:inherit}
.site-header{position:sticky;top:0;z-index:50;margin:16px auto 0;max-width:1180px;height:70px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.8);border-radius:22px;box-shadow:0 12px 40px rgba(15,23,42,.08)}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.35rem;letter-spacing:-.04em}.logo span span,footer strong span{color:var(--orange)}.logo-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--orange2);color:var(--orange)}
.nav{display:flex;gap:28px;font-size:.93rem;font-weight:700}.nav a:hover{color:var(--orange)}.mobile-menu{display:none;border:0;background:var(--ink);color:#fff;border-radius:12px;padding:8px 11px}
main{max-width:1180px;margin:auto}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:72px 10px 36px}.kicker{text-transform:uppercase;letter-spacing:.13em;color:var(--orange);font-size:.75rem;font-weight:900;margin:0 0 12px}.hero h1{font-size:clamp(2.45rem,5vw,4.65rem);line-height:.97;letter-spacing:-.07em;margin:0 0 22px}.lead{font-size:1.12rem;color:#475569;max-width:610px;margin:0 0 28px}.search-box{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;max-width:610px;box-shadow:0 14px 40px rgba(15,23,42,.08)}.search-box span{font-size:1.35rem;color:var(--muted);padding-left:8px}.search-box input{flex:1;border:0;outline:0;font-size:1rem}.search-box button,.newsletter button{border:0;background:var(--orange);color:#fff;padding:13px 22px;border-radius:13px;font-weight:900;cursor:pointer}.search-box button:hover,.newsletter button:hover{filter:brightness(.95)}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px}.trust-row div{background:rgba(255,255,255,.65);border:1px solid var(--line);border-radius:18px;padding:14px 18px;min-width:130px}.trust-row b{display:block;font-size:1rem}.trust-row span{font-size:.83rem;color:var(--muted)}
.hero-visual{position:relative;min-height:500px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.hero-card{position:absolute;left:22px;bottom:22px;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.8);border-radius:18px;padding:16px 18px;box-shadow:0 12px 30px rgba(15,23,42,.12)}.hero-card strong{display:block}.hero-card span{color:var(--muted);font-size:.9rem}
.problem-strip{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(6,1fr);overflow:hidden;margin:8px 10px 60px}.problem-strip article{padding:22px 18px;text-align:center;border-right:1px solid var(--line);cursor:pointer;transition:.2s}.problem-strip article:last-child{border-right:0}.problem-strip article:hover{background:var(--orange2);transform:translateY(-2px)}.problem-strip span{font-size:2rem}.problem-strip h3{font-size:.98rem;margin:10px 0 6px}.problem-strip p{margin:0;color:var(--muted);font-size:.82rem}
.section{padding:0 10px 70px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}.section h2,.diagnostic h2,.newsletter h2{font-size:2.2rem;line-height:1.05;letter-spacing:-.05em;margin:0}.ghost,.ghost-link{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer}
.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tutorial-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 30px rgba(15,23,42,.05);transition:.22s}.tutorial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.tutorial-card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}.card-body{padding:18px}.badge{display:inline-block;font-size:.72rem;font-weight:900;padding:5px 10px;border-radius:999px;margin-bottom:12px}.easy{background:#e7f8f0;color:#047857}.medium{background:#fff3d7;color:#92400e}.hard{background:#fee2e2;color:#991b1b}.tutorial-card h3{font-size:1.12rem;margin:0 0 8px;letter-spacing:-.02em}.tutorial-card p{color:var(--muted);font-size:.93rem;margin:0 0 16px}.meta{display:flex;gap:14px;color:#475569;font-size:.84rem;font-weight:700}.empty{display:none;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:18px;padding:22px;text-align:center}
.diagnostic{margin:0 10px 70px;display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;background:#111827;color:#fff;border-radius:var(--radius);padding:40px;overflow:hidden}.diagnostic p:not(.kicker){color:#cbd5e1}.symptoms{display:flex;flex-wrap:wrap;gap:12px;align-content:center}.symptoms button{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:#fff;border-radius:999px;padding:12px 16px;font-weight:800;cursor:pointer}.symptoms button:hover{background:var(--orange)}
.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.material-grid article{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.material-grid img{width:100%;aspect-ratio:16/9;object-fit:cover}.material-grid h3{margin:16px 18px 4px}.material-grid p{margin:0 18px 20px;color:var(--muted)}
.newsletter{margin:0 10px 70px;text-align:center;background:linear-gradient(135deg,#fff 0%,#fff7ed 100%);border:1px solid var(--line);border-radius:var(--radius);padding:46px 20px}.newsletter p:not(.kicker){color:var(--muted);max-width:560px;margin:12px auto 24px}.newsletter form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.newsletter input{width:min(360px,100%);border:1px solid var(--line);border-radius:14px;padding:13px 16px}
footer{max-width:1180px;margin:0 auto 30px;padding:24px 10px;display:flex;justify-content:space-between;gap:20px;color:var(--muted)}footer strong{font-size:1.25rem;color:var(--ink);letter-spacing:-.04em}.footer-links{display:flex;gap:18px;flex-wrap:wrap;font-weight:800;color:var(--ink)}
.hidden{display:none!important}
@media(max-width:900px){.nav{display:none}.mobile-menu{display:block}.site-header{margin:10px 10px 0}.hero{grid-template-columns:1fr;padding:42px 10px 28px}.hero-visual{min-height:320px}.problem-strip{grid-template-columns:repeat(2,1fr)}.problem-strip article{border-bottom:1px solid var(--line)}.tutorial-grid,.material-grid{grid-template-columns:1fr 1fr}.diagnostic{grid-template-columns:1fr}.hero h1{font-size:3rem}}
@media(max-width:620px){.hero h1{font-size:2.55rem}.search-box{align-items:stretch;flex-wrap:wrap}.search-box input{min-width:0;width:calc(100% - 52px)}.search-box button{width:100%}.tutorial-grid,.material-grid{grid-template-columns:1fr}.problem-strip{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}footer{flex-direction:column}.trust-row div{flex:1}.diagnostic{padding:28px 22px}}


/* ===== generated project additions ===== */
.card-cat{display:block;margin-top:12px;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.68rem}.tutorial-card a{display:block;height:100%}.hero-mark{color:var(--orange)}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:0 10px 70px}.category-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.category-card .emoji{font-size:2rem}.category-card h2{margin:8px 0;font-size:1.35rem}.category-card p{color:var(--muted);margin:0 0 16px}.category-card a{font-weight:900;color:var(--orange)}
.article-main{max-width:1180px;margin:auto;padding:42px 10px 70px}.article-hero{display:grid;grid-template-columns:1fr .92fr;gap:34px;align-items:center;margin-bottom:34px}.article-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}.crumb{font-size:.9rem;color:var(--muted);font-weight:800;margin:0 0 16px}.article-hero h1{font-size:clamp(2.2rem,5vw,4rem);line-height:.98;letter-spacing:-.06em;margin:0 0 18px}.quick-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.quick-row span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 13px;font-weight:900;color:#334155}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 10px 30px rgba(15,23,42,.045);margin-bottom:18px}.panel h2{font-size:1.65rem;letter-spacing:-.04em;margin:0 0 14px}.panel p{color:#475569}.warning{background:#fff7ed;border-color:#fed7aa}.warning strong{color:var(--orange)}.materials-list{display:grid;gap:10px}.material-item{display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:12px;background:#fffdf8}.material-item small{display:block;color:var(--muted);font-weight:700}.material-item b{font-size:.95rem}.price{font-weight:950;color:var(--orange);white-space:nowrap}.tools-list{display:flex;flex-wrap:wrap;gap:10px}.tools-list span{background:var(--orange2);border:1px solid #fed7aa;border-radius:999px;padding:8px 12px;font-weight:850;font-size:.9rem}.steps{counter-reset:step}.step{counter-increment:step;display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step:before{content:counter(step);width:36px;height:36px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:950}.step h3{margin:0 0 6px;font-size:1.05rem}.step p{margin:0;color:#475569}.sidebar{position:sticky;top:100px;align-self:start}.toc a{display:block;border-bottom:1px solid var(--line);padding:10px 0;font-weight:900;color:#334155}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.newsletter-note{background:#111827;color:#fff}.newsletter-note p{color:#cbd5e1}.empty{margin-top:18px}
@media(max-width:900px){.article-hero,.article-layout{grid-template-columns:1fr}.sidebar{position:static}.category-grid{grid-template-columns:1fr 1fr}.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.article-hero h1{font-size:2.35rem}.category-grid,.related-grid{grid-template-columns:1fr}.material-item{grid-template-columns:38px 1fr}.price{grid-column:2}.article-main{padding-top:28px}}

/* ===== NIGHTSHIFT CALCULATORS ===== */
.calc-hero{grid-template-columns:1fr 360px}.calc-visual{min-height:280px;border-radius:24px;background:linear-gradient(135deg,#111827,#1f2937);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:5rem;box-shadow:var(--shadow)}.calc-visual strong{font-size:1.3rem;margin-top:12px}.calc-visual span{font-size:.9rem;color:#cbd5e1}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.calc-field{display:block;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fffdf8}.calc-field>span{display:block;font-weight:900;margin-bottom:8px}.calc-field div{display:flex;align-items:center;gap:8px}.calc-field input{width:100%;border:1px solid #cbd5e1;border-radius:12px;padding:12px;font:inherit;font-weight:850}.calc-field em{font-style:normal;color:var(--muted);white-space:nowrap}.calc-field small{display:block;color:var(--muted);margin-top:7px}.calc-button{margin-top:18px;border:0;border-radius:14px;background:var(--orange);color:#fff;font-weight:950;padding:14px 20px;font-size:1rem;cursor:pointer}.calc-result{margin-top:18px;border:1px dashed #fb923c;background:#fff7ed;border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:5px}.calc-result span{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:#9a3412}.calc-result strong{font-size:1.45rem}.calc-result small{color:#7c2d12}.calc-result.ready{border-style:solid;box-shadow:0 10px 25px rgba(249,115,22,.12)}.calc-list{display:grid;gap:10px;color:#475569}.faq-list details{border-bottom:1px solid var(--line);padding:12px 0}.faq-list summary{font-weight:900;cursor:pointer}.calculator-home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.calculator-home-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.calculator-home-card h3{margin:10px 0}.calculator-home-card p{color:var(--muted)}.calculator-home-card a{font-weight:950;color:var(--orange)}@media(max-width:900px){.calc-hero{grid-template-columns:1fr}.calc-grid,.calculator-home-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.calc-grid,.calculator-home-grid{grid-template-columns:1fr}.calc-visual{min-height:200px}}