/* =====================================================================
   GALLURA DESIGN SYSTEM · Giovanni Careddu
   Single source of truth: design tokens + base components.
   Linked by: prototipo-homepage.html, tradizione.html, design-system.html
   ===================================================================== */

/* ---------- 1 · DESIGN TOKENS ---------- */
:root{
  /* Brand colors */
  --c-giallo:#F4C430;        /* Safrangelb · Logo, Akzent auf Dunkel */
  --c-giallo-scuro:#D9A800;  /* Gelb, gedämpft · Hover auf Dunkel */
  --c-nero:#141210;          /* Logo-Grund, dunkle Bänder */
  --c-nero-soft:#1F1B16;
  --c-blu:#1B6CA3;           /* Gallura-Blau · nur noch T-Shirt/Merch */
  --c-blu-scuro:#15598C;
  --c-stone-2:#2B261F;       /* Anthrazit, aufgehellt · Button-Hover */
  --c-oro-scuro:#9C6B12;     /* dunkles Ocker · Akzent auf hellem Grund */
  --c-ink:#352F28;           /* Fließtext */
  --c-grigio:#5A5249;        /* Sekundärtext */
  --c-sabbia:#EFE7D6;
  --c-sabbia-chiara:#F6F1E6; /* Heller Seitenhintergrund */
  --c-bianco:#FFFFFF;
  /* Stein/Granit (Texturen, Platzhalter) */
  --c-stone1:#C9B891; --c-stone2:#B09A6F; --c-stone3:#A8915F; --c-stone4:#DED0AC;
  /* Lines */
  --c-line:rgba(53,47,40,.10);
  --c-line-strong:rgba(53,47,40,.20);
  --c-errore:#B23A2E;        /* Fehler/Validierung */
  --c-ok:#3B6D11;            /* Erfolg */

  /* Typography */
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --fw-regular:400; --fw-medium:500; --fw-semibold:600; --fw-bold:700;
  --t-eyebrow:12px; --t-small:13.5px; --t-body:16px; --t-lead:19px;
  --t-h3:21px; --t-h2:clamp(26px,3vw,40px); --t-h1:clamp(34px,4.6vw,56px);
  --lh-tight:1.12; --lh-body:1.65;

  /* Spacing scale (4px base) */
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px;
  --s-6:32px; --s-7:48px; --s-8:64px; --s-9:80px;
  --container:1140px; --gutter:24px;

  /* Radius */
  --r-sm:0; --r-md:0; --r-lg:0; --r-pill:0;

  /* Elevation */
  --shadow-card:0 16px 40px rgba(53,47,40,.10);
  --shadow-float:0 24px 60px rgba(53,47,40,.18);
  /* Bild-"in der Mauer"-Effekt */
  --img-wall:inset 0 0 0 1px rgba(0,0,0,.22),inset 0 8px 15px rgba(0,0,0,.4),inset 0 -3px 8px rgba(0,0,0,.22);
  --img-wall-accent:inset 3px 0 0 #F4C430,inset 0 0 0 1px rgba(0,0,0,.22),inset 0 8px 15px rgba(0,0,0,.4),inset 0 -3px 8px rgba(0,0,0,.22);

  /* Motion */
  --ease:cubic-bezier(.2,.6,.2,1); --dur:.18s; --dur-slow:.6s;
}

/* ---------- 1b · THEME ROLES (umschaltbar) ---------- */
:root{
  --surface-dark:var(--c-nero);
  --btn-primary-bg:var(--c-nero); --btn-primary-hover:var(--c-stone-2);
  --accent-light:var(--c-oro-scuro); --accent-ring:rgba(156,107,18,.16); --accent-soft:rgba(156,107,18,.32);
}
[data-theme="blu"]{
  --surface-dark:#14547F;
  --btn-primary-bg:var(--c-blu); --btn-primary-hover:var(--c-blu-scuro);
  --accent-light:var(--c-blu); --accent-ring:rgba(27,108,163,.16); --accent-soft:rgba(27,108,163,.30);
}

/* ---------- 2 · BASE / RESET ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);color:var(--c-ink);background:var(--c-sabbia-chiara);
  line-height:var(--lh-body);-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--fw-semibold);line-height:var(--lh-tight);letter-spacing:-.01em;color:var(--c-ink)}
/* Accessibility */
:focus-visible{outline:2px solid var(--accent-light);outline-offset:2px;border-radius:3px}
.band-dark :focus-visible,.site-footer :focus-visible,.site-header :focus-visible{outline-color:var(--c-giallo)}
.skip{position:absolute;left:8px;top:-52px;z-index:100;background:var(--surface-dark);color:#fff;
  padding:10px 16px;border-radius:8px;font-weight:600;transition:top .15s var(--ease)}
.skip:focus{top:8px}

/* ---------- 3 · LAYOUT ---------- */
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:var(--s-9) 0}
.section--alt{background:linear-gradient(180deg,#fff,#fbf8f1)}
.sec-head{max-width:680px;margin-bottom:var(--s-7)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{font-size:var(--t-h2);margin:var(--s-3) 0 var(--s-3)}
.sec-head p{color:var(--c-grigio);font-size:17px}

/* ---------- 4 · TYPOGRAPHY HELPERS ---------- */
.eyebrow{display:inline-block;font-size:var(--t-eyebrow);font-weight:var(--fw-bold);
  letter-spacing:.22em;text-transform:uppercase;color:var(--accent-light)}
.eyebrow--gold{color:var(--c-giallo)}
.lead{font-size:var(--t-lead);color:var(--c-grigio)}
.gold-rule{width:48px;height:4px;background:var(--c-giallo);border-radius:2px;margin-bottom:var(--s-5)}
.gold-rule.center{margin-inline:auto}

/* ---------- 5 · BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-body);
  font-weight:var(--fw-semibold);font-size:15px;line-height:1;padding:13px 24px;
  border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.btn:active{transform:translateY(0)}
.btn .gico{width:18px;height:18px}
.btn--primary{background:var(--btn-primary-bg);color:#fff}
.btn--primary:hover{background:var(--btn-primary-hover);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line-strong)}
.btn--ghost:hover{border-color:var(--c-ink);color:var(--c-nero)}
.btn--gold{background:var(--c-giallo);color:var(--c-nero)}
.btn--gold:hover{background:var(--c-giallo-scuro);transform:translateY(-1px)}
.btn--on-dark.btn--ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.btn--on-dark.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 6 · ICONS ---------- */
/* Canonical icon: viewBox 0 0 24 24, fill none, stroke currentColor,
   stroke-width 1.6, round caps/joins. Color via `color`. */
.gico{display:inline-block;width:24px;height:24px;flex:none;stroke:currentColor;
  fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* Brand "seal" tiles: saffron glyph on black with a fine saffron frame — echoes the logo. */
.ico-tile{width:54px;height:54px;border-radius:0;display:flex;align-items:center;
  justify-content:center;background:var(--surface-dark);color:var(--c-giallo);
  box-shadow:inset 0 0 0 1.5px rgba(244,196,48,.45)}
.ico-tile .gico{width:33px;height:33px}
.ico-chip{width:42px;height:42px;border-radius:0;display:flex;align-items:center;
  justify-content:center;background:var(--surface-dark);color:var(--c-giallo);
  box-shadow:inset 0 0 0 1.3px rgba(244,196,48,.40)}
.ico-chip .gico{width:25px;height:25px}

/* ---------- 7 · HEADER / NAV ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface-dark);
  background-image:url("wall-net.svg");background-size:340px auto;background-repeat:repeat;
  border-bottom:1px solid rgba(244,196,48,.20)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:42px;height:42px;flex:none}
.wordmark{display:flex;flex-direction:column;line-height:1}
.wordmark b{font-family:var(--font-display);font-size:18px;font-weight:var(--fw-semibold);letter-spacing:.01em;color:var(--c-giallo)}
.wordmark span{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:rgba(239,231,214,.75);margin-top:3px}
.menu{display:flex;align-items:center;gap:28px}
.menu nav{display:flex;gap:26px}
.menu nav a{font-size:14.5px;font-weight:var(--fw-medium);color:rgba(239,231,214,.85);transition:color var(--dur) var(--ease)}
.menu nav a:hover,.menu nav a.active{color:var(--c-giallo)}
.lang{position:relative}
.lang>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:var(--fw-bold);letter-spacing:.04em;color:rgba(239,231,214,.85);
  border:1px solid rgba(244,196,48,.30);padding:8px 12px;min-height:36px}
.lang>summary::-webkit-details-marker{display:none}
.lang>summary::after{content:"\25BE";font-size:9px;opacity:.85}
.lang[open]>summary{color:var(--c-giallo)}
.lang-list{position:absolute;top:calc(100% + 6px);right:0;min-width:150px;z-index:60;
  background:var(--surface-dark);border:1px solid rgba(244,196,48,.30);
  box-shadow:0 12px 30px rgba(0,0,0,.35);display:flex;flex-direction:column;padding:4px}
.lang-list a{display:block;padding:11px 14px;font-size:14px;color:rgba(239,231,214,.85);text-decoration:none}
.lang-list a:hover{background:rgba(255,255,255,.06);color:#fff}
.lang-list a.on{color:var(--c-giallo);font-weight:var(--fw-bold)}
.burger{display:none;width:44px;height:44px;border:none;background:none;cursor:pointer;
  color:var(--c-sabbia-chiara);border-radius:10px;align-items:center;justify-content:center}
.burger .gico{width:26px;height:26px;stroke-width:2}
.burger .gico[data-icon="close"]{display:none}
.site-header.open .burger .gico[data-icon="menu"]{display:none}
.site-header.open .burger .gico[data-icon="close"]{display:inline-block}

/* ---------- 8 · CARD ---------- */
.card{background:linear-gradient(rgba(247,242,231,.72),rgba(247,242,231,.72)),#EFE7D6 url("card-stone.svg") center/cover no-repeat;border:1px solid var(--c-line);border-radius:var(--r-md);padding:30px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:var(--accent-soft)}
.card h3{font-size:var(--t-h3);margin:18px 0 8px}
.card p{color:var(--c-grigio);font-size:15px}

/* ---------- 9 · DARK BAND (claim / CTA) ---------- */
.band-dark{background:var(--surface-dark);color:var(--c-sabbia-chiara);
  background-image:url("wall-net.svg");background-size:340px auto;background-repeat:repeat}
.band-dark h2{color:#fff}
.band-dark p{color:rgba(239,231,214,.80)}

/* ---------- 10 · FORM ---------- */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:var(--t-small);font-weight:var(--fw-semibold);color:var(--c-grigio)}
.field input,.field textarea{font-family:inherit;font-size:15px;padding:12px 14px;
  border:1px solid var(--c-line-strong);border-radius:var(--r-sm);background:#fdfbf6;color:var(--c-ink);
  transition:border-color var(--dur) var(--ease)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent-light);box-shadow:0 0 0 3px var(--accent-ring)}
.form-card{background:linear-gradient(rgba(247,242,231,.72),rgba(247,242,231,.72)),#EFE7D6 url("card-stone.svg") center/cover no-repeat;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;
  display:flex;flex-direction:column;gap:16px}
.form-card > .btn{align-self:flex-start}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--c-grigio);line-height:1.5}
.consent input{margin-top:2px;flex:none}
.consent a{color:var(--accent-light);text-decoration:underline}
.field .err{font-size:13px;color:var(--c-errore);display:flex;align-items:center;gap:6px;margin-top:2px}
.field.error input,.field.error textarea{border-color:var(--c-errore);box-shadow:0 0 0 3px rgba(178,58,46,.14)}
.field.ok input{border-color:var(--c-ok)}

/* ---------- 11 · FOOTER ---------- */
.site-footer{background:var(--surface-dark);color:rgba(239,231,214,.72);
  background-image:url("wall-net.svg");background-size:340px auto;background-repeat:repeat}
.site-footer .foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;
  max-width:var(--container);margin:0 auto;padding:56px var(--gutter) 30px}
.site-footer .foot-logo{width:170px;margin-bottom:14px}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.04em;margin-bottom:14px;font-weight:var(--fw-bold)}
.site-footer a{display:block;font-size:14px;margin-bottom:9px;color:rgba(239,231,214,.72);transition:color var(--dur) var(--ease)}
.site-footer a:hover{color:#fff}
.site-footer .ftag{font-size:14px;max-width:300px;color:rgba(239,231,214,.66)}
.site-footer .copy{border-top:1px solid rgba(255,255,255,.12);padding:18px var(--gutter);font-size:12.5px;text-align:center;line-height:1.9}
.site-footer .copy a{display:inline;color:rgba(239,231,214,.85);text-decoration:underline;margin:0}

/* ---------- 12 · STONE TEXTURE (image placeholders) ---------- */
.stone-tex{background:
  repeating-linear-gradient(28deg, rgba(0,0,0,.05) 0 2px, transparent 2px 26px),
  repeating-linear-gradient(-15deg, rgba(0,0,0,.04) 0 2px, transparent 2px 34px),
  linear-gradient(150deg,var(--c-stone4),var(--c-stone1) 45%,var(--c-stone2) 78%,var(--c-stone3))}
.ph{position:relative;overflow:hidden}
.ph-label{position:absolute;top:14px;left:14px;font-size:11px;letter-spacing:.06em;
  background:rgba(255,255,255,.82);color:var(--c-grigio);padding:5px 10px;border-radius:var(--r-pill)}
.ph-cap{position:absolute;bottom:0;left:0;padding:20px;color:#fff;font-weight:var(--fw-semibold);
  text-shadow:0 1px 8px rgba(0,0,0,.4);font-size:15px}

/* ---------- 12b · TRUST PATTERNS (process / faq / quotes / area) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;background:linear-gradient(rgba(247,242,231,.72),rgba(247,242,231,.72)),#EFE7D6 url("card-stone.svg") center/cover no-repeat;border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 22px}
.step .ico-tile{margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--c-grigio);font-size:14.5px}
.step .num{position:absolute;top:18px;right:20px;font-family:var(--font-display);font-size:22px;color:rgba(53,47,40,.16)}

.faq{max-width:760px;margin:0 auto}
.faq details{border-bottom:1px solid var(--c-line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:var(--fw-semibold);font-size:17px;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-display);font-size:24px;color:var(--accent-light);line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq details p{color:var(--c-grigio);padding:0 0 18px;font-size:15.5px;max-width:66ch}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:linear-gradient(rgba(247,242,231,.72),rgba(247,242,231,.72)),#EFE7D6 url("card-stone.svg") center/cover no-repeat;border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px}
.quote .stars{color:var(--c-giallo);letter-spacing:2px;font-size:15px;margin-bottom:10px}
.quote p{font-style:italic;color:var(--c-ink);margin-bottom:14px}
.quote .who{font-size:14px;color:var(--c-grigio);font-weight:var(--fw-semibold)}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip-loc{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:8px 16px;font-size:14px;color:var(--c-ink)}

/* ---------- 13 · MOTION: reveal on scroll ---------- */
/* Only hide when JS is available (html.js); without JS everything stays visible. */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* ---------- 14 · RESPONSIVE ---------- */
@media(max-width:900px){
  .burger{display:flex}
  .menu nav{position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--surface-dark);border-bottom:1px solid rgba(244,196,48,.20);
    padding:6px 24px 16px;display:none;box-shadow:0 16px 30px rgba(0,0,0,.35)}
  .site-header.open .menu nav{display:flex}
  .menu nav a{padding:14px 0;font-size:16px;border-bottom:1px solid rgba(255,255,255,.10)}
  .menu nav a:last-child{border-bottom:none}
  .steps{grid-template-columns:1fr 1fr}
  .quotes{grid-template-columns:1fr}
  .site-footer .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .steps{grid-template-columns:1fr}
  .site-footer .foot{grid-template-columns:1fr}
}


/* ---------- 16 · BILD-"IN DER MAUER" (Schatten) ---------- */
.hero-visual,.gallery figure,.materia,.about-ph,.gal .ph,.ph{position:relative}
.hero-visual::after,.gallery figure::after,.materia::after,.about-ph::after,.gal .ph::after,.ph.stone-tex::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:var(--img-wall);z-index:2}
.hero-visual::after,.materia::after,.about-ph::after{box-shadow:var(--img-wall-accent)}

@media(max-width:400px){.wordmark span{display:none}.wordmark b{font-size:16px}}

/* ---------- 17 · MOBILE-FEINSCHLIFF ---------- */
.ba-range{touch-action:pan-y}
@media(max-width:640px){.gmap{display:none}}
picture{display:contents}