/* D. Iasio · libri.diasio.ch — nessun servizio esterno, font ospitati in locale */
:root{
  --bg:#0a0f18; --panel:#111a28; --ink:#eef1f5; --muted:#a7b2c2; --line:#22324a;
  --accent:#f0a24a; --accent-text:#f0a24a; --accent-ink:#1a1206; --glow:#f0a24a;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --display:"Oswald","Arial Narrow","Roboto Condensed",Arial,sans-serif;
  --radius:10px; --wrap:1120px;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
html{scroll-padding-top:calc(72px + env(safe-area-inset-top,0px)); scroll-behavior:smooth; -webkit-text-size-adjust:100%}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);font-size:18px;line-height:1.65;overflow-x:hidden}
body.theme-bug{--bg:#0b1a2b;--panel:#10233a;--line:#24405f;--accent:#f0a24a;--glow:#f0a24a;--muted:#a9b9cc}
body.theme-oblio{--bg:#111116;--panel:#1a1a21;--line:#34343f;--accent:#c23a42;--accent-text:#ea7078;--accent-ink:#fff;--glow:#e9b7a2;--muted:#a9a19b}
body.theme-privacy{--bg:#0b1a2b;--panel:#10233a;--line:#24405f;--accent:#f0a24a}
@media (prefers-color-scheme:light){
  body.theme-privacy{--bg:#f6f3ee;--panel:#fff;--ink:#15212f;--muted:#5b6673;--line:#ddd6ca;--accent:#b8611a;--accent-text:#9a4f12;--accent-ink:#fff}
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-text)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:6px;z-index:100}
.skip:focus{left:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:8px 16px;flex-wrap:wrap}
.brand{white-space:nowrap;font-family:var(--display);font-weight:700;letter-spacing:.28em;font-size:1.05rem;color:var(--ink);text-decoration:none}
.brand span{color:var(--accent-text)}
.nav{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.nav a{font-family:var(--display);font-weight:500;letter-spacing:.14em;text-transform:uppercase;font-size:.82rem;color:var(--muted);text-decoration:none;padding:10px 12px;border-radius:6px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);background:color-mix(in srgb,var(--accent) 14%,transparent)}

/* Tipografia */
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.05;letter-spacing:.02em;margin:0 0 .4em;text-transform:uppercase}
h1{font-size:clamp(2.4rem,7vw,4.6rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.3rem)}
h3{font-size:1.15rem;letter-spacing:.08em}
.kicker{font-family:var(--display);font-weight:500;letter-spacing:.24em;text-transform:uppercase;font-size:.82rem;color:var(--accent-text);margin:0 0 14px}
.lead{font-size:1.2rem;color:var(--muted);max-width:60ch}
p{margin:0 0 1em}
section{padding:72px 0}
.rule{border:0;border-top:1px solid var(--line);margin:0}

/* Pulsanti */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:500;letter-spacing:.14em;text-transform:uppercase;font-size:.9rem;text-decoration:none;padding:14px 22px;border-radius:8px;border:2px solid var(--accent);color:var(--accent-text);background:transparent;cursor:pointer;min-height:48px;transition:transform .15s,background .15s,color .15s}
.btn:hover{transform:translateY(-2px);background:var(--accent);color:var(--accent-ink)}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn[aria-disabled="true"]{opacity:.55;pointer-events:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0}
.pill{display:inline-block;font-family:var(--display);letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;border:1px solid var(--line);color:var(--muted);padding:6px 12px;border-radius:999px}

/* Hero */
.hero{padding:64px 0 40px;position:relative}
.hero::before{content:"";z-index:-1;position:absolute;inset:-20% -10% auto auto;width:70vw;height:70vw;max-width:900px;max-height:900px;background:radial-gradient(closest-side,color-mix(in srgb,var(--glow) 22%,transparent),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.cover{position:relative;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.06);transform:rotate(1.5deg);transition:transform .35s}
.cover:hover{transform:rotate(0) scale(1.02)}
.cover img{border-radius:8px;width:100%}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}

/* Titolo con effetto glitch (solo Il Bug) */
.glitch{position:relative;display:inline-block}
.theme-bug h1 .glitch{text-shadow:2px 0 #3ff0ff,-2px 0 #ff3fd1}
@media (prefers-reduced-motion:no-preference){
  .theme-bug h1 .glitch{animation:glitch 6s infinite steps(1)}
  @keyframes glitch{0%,92%,100%{text-shadow:2px 0 #3ff0ff,-2px 0 #ff3fd1;transform:none}93%{text-shadow:5px 0 #3ff0ff,-5px 0 #ff3fd1;transform:translateX(2px)}95%{text-shadow:-4px 0 #3ff0ff,4px 0 #ff3fd1;transform:translateX(-2px)}97%{text-shadow:2px 0 #3ff0ff,-2px 0 #ff3fd1;transform:none}}
}
.theme-oblio h1 em{font-style:normal;color:var(--accent-text)}

/* Fascia frasi (Il Bug) */
.strip{border-block:1px solid var(--line);background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,0));overflow:hidden;padding:18px 0}
.strip ul{list-style:none;margin:0;padding:0;display:flex;gap:44px;white-space:nowrap;width:max-content;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:1.5rem;color:var(--accent-text)}
.strip li:nth-child(3n){color:#f7c98b}
.strip li:nth-child(4n){opacity:.75}
@media (prefers-reduced-motion:no-preference){.strip ul{animation:scroll 60s linear infinite}@keyframes scroll{to{transform:translateX(-50%)}}}
@media (prefers-reduced-motion:reduce){.strip{overflow-x:auto}}

/* Pannello notifica app (Il Bug) */
.app{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:18px 22px;max-width:560px}
.app small{display:block;font-family:var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);font-size:.78rem;margin-bottom:6px}
.app p{margin:0;font-style:italic;font-size:1.15rem;min-height:3.4em}

/* Pannello modulo (L'Economia) */
.module{background:#0c0c10;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:20px 24px;font-family:"Courier New",Courier,monospace;font-weight:700;font-size:.95rem;line-height:1.55;color:#e8e2dc;max-width:620px}
.module .dim{color:#8f8983}
.module .red{color:#e0505a}
.counter{font-family:var(--display);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);margin-top:16px}
blockquote.epigraph{margin:0 0 22px;padding:0;font-style:italic;font-size:1.3rem;color:var(--glow)}

/* Griglie e schede */
.grid{display:grid;gap:28px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{color:var(--accent-text)}
.books{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
.book-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;color:inherit;transition:transform .2s,border-color .2s}
.book-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.book-card img{border-radius:6px;box-shadow:0 14px 36px rgba(0,0,0,.5)}
.book-card h3{font-size:1.5rem;margin-bottom:6px}
.book-card p{color:var(--muted);margin:0 0 12px;font-size:1rem}
.book-card.bug{--accent:#f0a24a;--accent-text:#f0a24a}
.book-card.oblio{--accent:#c23a42;--accent-text:#ea7078}
.book-card.oblio h3{color:#e2d9d2}
.warn{border:1px dashed var(--line);border-radius:var(--radius);padding:18px 22px;color:var(--muted);font-size:.98rem}
.warn strong{color:var(--ink)}
.dl{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.store-note{color:var(--muted);font-size:.95rem;margin:14px 0 0}

/* Newsletter */
.news{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 14%,var(--panel)),var(--panel));border:1px solid var(--line);border-radius:16px;padding:44px}
.news .fine{font-size:.9rem;color:var(--muted);margin-top:14px}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:38px 0 46px;color:var(--muted);font-size:.95rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--accent-text)}

/* Testo lungo (privacy) */
.prose{max-width:760px;margin:0 auto;padding:56px 24px 90px}
.prose h1{font-size:clamp(1.9rem,5vw,2.8rem)}
.prose h2{font-size:1.25rem;margin:38px 0 8px;padding-top:20px;border-top:1px solid var(--line);text-transform:none;letter-spacing:.01em;font-family:var(--serif);font-weight:600}
.prose h2 span{color:var(--accent-text);font-family:var(--display);font-size:.9rem;letter-spacing:.1em;margin-right:10px}
.prose ul{padding-left:1.25em}
.prose li{margin:.45em 0}
.box{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);padding:16px 20px;border-radius:8px;margin:20px 0}

/* Errore 404 */
.center{text-align:center;min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px}

/* Responsive */
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .hero .cover{max-width:340px;margin:0 auto}
  .books,.grid.two,.grid.three{grid-template-columns:1fr}
  .news{padding:28px 22px}
  section{padding:52px 0}
  body{font-size:17px}
}
@media (max-width:520px){
  .book-card{grid-template-columns:110px minmax(0,1fr);gap:16px;padding:18px}
  .nav a{padding:8px 6px;font-size:.74rem;letter-spacing:.1em}
  .brand{letter-spacing:.2em}
}
@media print{.site-header,.strip,.btn-row,.news{display:none}body{background:#fff;color:#000}}