/* ===========================================================
   Briarstone Digital — stone-strata design system
   Palette: slate base, warm sandstone, signal amber, muted teal
   =========================================================== */

:root{
  --slate:#1c2129;
  --slate-2:#262d38;
  --slate-3:#323a47;
  --stone:#4a5563;
  --stone-l:#6b7889;
  --sand:#c5b8a2;
  --sand-l:#e0d7c6;
  --cream:#f3efe6;
  --amber:#c98e4a;
  --amber-l:#e0ae6e;
  --teal:#5e848a;

  --ink:#1c2129;
  --ink-soft:#3a424f;
  --paper:#f6f3ec;
  --paper-2:#ece7db;
  --line:rgba(28,33,41,.12);
  --line-strong:rgba(28,33,41,.2);

  --maxw:1180px;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 50px -24px rgba(28,33,41,.45);
  --shadow-sm:0 8px 24px -14px rgba(28,33,41,.4);

  --display:"Fraunces",Georgia,serif;
  --body:"Inter",system-ui,-apple-system,sans-serif;
  --mono:"Space Mono",ui-monospace,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;line-height:1.1;letter-spacing:-.01em;margin:0}
p{margin:0}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}

.wrap{width:min(100% - 2.6rem,var(--maxw));margin-inline:auto}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--slate);color:var(--cream);
  padding:.7rem 1.1rem;z-index:200;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--body);font-weight:600;font-size:.95rem;
  padding:.85rem 1.5rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .15s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
  line-height:1;
}
.btn-primary{background:var(--amber);color:#231a10;box-shadow:0 6px 18px -8px rgba(201,142,74,.8)}
.btn-primary:hover{background:var(--amber-l);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(28,33,41,.04);transform:translateY(-2px)}
.btn-full{width:100%}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber);margin-bottom:1rem;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,243,236,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:1.5rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:600}
.brand-mark{display:flex}
.brand-text{font-family:var(--display);font-size:1.25rem;letter-spacing:-.02em}
.brand-dot{color:var(--amber)}
.main-nav{display:flex;gap:1.8rem;margin-left:auto}
.main-nav a{text-decoration:none;font-weight:500;font-size:.95rem;color:var(--ink-soft);position:relative;padding:.2rem 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--amber);transition:width .2s ease}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{width:100%}
.nav-cta{padding:.6rem 1.1rem;font-size:.9rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:.4rem}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.mobile-nav{display:flex;flex-direction:column;padding:.5rem 1.3rem 1.2rem;border-top:1px solid var(--line)}
.mobile-nav[hidden]{display:none}
.mobile-nav a{padding:.75rem 0;text-decoration:none;font-weight:500;border-bottom:1px solid var(--line);color:var(--ink-soft)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--slate);color:var(--cream)}
.hero-bg{
  position:absolute;inset:0;
  background:url("images/hero.jpg") center/cover no-repeat;
  opacity:.9;
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(28,33,41,.95) 0%,rgba(28,33,41,.7) 45%,rgba(28,33,41,.35) 100%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center;padding:5.5rem 0 5rem}
.hero-copy{max-width:34rem}
.hero h1{font-size:clamp(2.3rem,4.4vw,3.5rem);color:#fff;margin-bottom:1.3rem}
.lede{font-size:1.12rem;color:rgba(243,239,230,.85);margin-bottom:2rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.8rem}
.hero .btn-ghost{border-color:rgba(243,239,230,.3);color:var(--cream)}
.hero .btn-ghost:hover{border-color:var(--cream);background:rgba(243,239,230,.08)}
.hero-stats{display:flex;gap:2.2rem;margin:0;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats dt{font-family:var(--display);font-size:1.5rem;color:var(--amber-l)}
.hero-stats dd{margin:0;font-size:.82rem;color:rgba(243,239,230,.7)}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.08)}
.visual-tag{
  position:absolute;bottom:-.8rem;left:1rem;background:var(--amber);color:#231a10;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;padding:.4rem .8rem;border-radius:6px;
}

/* ---------- Trust strip ---------- */
.strip{background:var(--slate-2);color:var(--cream)}
.strip-inner{display:flex;align-items:center;gap:2.5rem;padding:1.8rem 0;flex-wrap:wrap}
.strip-inner>p{max-width:30rem;font-size:.95rem;color:rgba(243,239,230,.8);margin:0}
.strip-points{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0;flex-wrap:wrap;margin-left:auto}
.strip-points li{font-family:var(--mono);font-size:.78rem;color:var(--sand);position:relative;padding-left:1rem}
.strip-points li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;background:var(--amber);border-radius:50%}

/* ---------- Sections ---------- */
.section{padding:5.5rem 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:42rem;margin:0 auto 3.2rem;text-align:center}
.section-head-left{text-align:left;margin-inline:0}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin-bottom:.9rem}
.section-sub{color:var(--ink-soft);font-size:1.05rem}

/* ---------- Strata (metodo) ---------- */
.strata{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.stratum{
  position:relative;background:var(--slate);color:var(--cream);
  border-radius:var(--radius);padding:2rem 1.8rem;overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
}
.stratum:nth-child(2){background:var(--slate-2)}
.stratum:nth-child(3){background:var(--slate-3)}
.stratum::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:5px;
  background:linear-gradient(90deg,var(--amber),var(--amber-l));
}
.stratum-num{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--amber-l);text-transform:uppercase}
.stratum h3{font-size:1.4rem;color:#fff;margin:.7rem 0 .8rem}
.stratum p{color:rgba(243,239,230,.82);font-size:.96rem;margin-bottom:1.3rem}
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}
.checks li{position:relative;padding-left:1.6rem;font-size:.9rem;color:rgba(243,239,230,.92)}
.checks li::before{
  content:"";position:absolute;left:0;top:.15em;width:14px;height:14px;border-radius:4px;
  background:var(--amber);box-shadow:inset 0 0 0 3px var(--slate);
}

/* ---------- Cards (servizi) ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.section-alt .card{background:#fff}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card-body{padding:1.6rem 1.7rem 1.9rem}
.card-body h3{font-size:1.3rem;margin-bottom:.6rem}
.card-body p{color:var(--ink-soft);font-size:.96rem}

/* ---------- Forecaster ---------- */
.forecaster-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:center}
.forecaster-copy h2{font-size:clamp(1.8rem,3vw,2.4rem);margin-bottom:.9rem}
.forecaster-note{margin-top:1.2rem;font-family:var(--mono);font-size:.82rem;color:var(--amber)}
.forecaster{
  background:var(--slate);color:var(--cream);border-radius:var(--radius);
  padding:2.2rem;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.06);
}
.forecaster .field{margin-bottom:1.5rem}
.forecaster label{display:block;font-size:.9rem;margin-bottom:.6rem;color:rgba(243,239,230,.85)}
.forecaster output{float:right;font-family:var(--mono);color:var(--amber-l);font-size:.9rem}
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:6px;background:var(--slate-3);outline-offset:6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--amber);cursor:pointer;border:3px solid var(--slate);box-shadow:0 0 0 1px var(--amber)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--amber);cursor:pointer;border:3px solid var(--slate)}
.forecaster-out{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.8rem 0 1rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.1)}
.out-block{display:flex;flex-direction:column;gap:.3rem}
.out-label{font-size:.72rem;color:rgba(243,239,230,.6);text-transform:uppercase;letter-spacing:.06em}
.out-value{font-family:var(--display);font-size:1.6rem;color:var(--amber-l)}
.forecaster-disclaimer{font-size:.74rem;color:rgba(243,239,230,.5);margin-top:.6rem}

/* ---------- Pricing ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;align-items:stretch}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.8rem;display:flex;flex-direction:column;
}
.plan-featured{background:var(--slate);color:var(--cream);border-color:var(--amber);box-shadow:var(--shadow);transform:translateY(-8px)}
.plan-badge{
  position:absolute;top:-.85rem;left:50%;transform:translateX(-50%);
  background:var(--amber);color:#231a10;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;padding:.35rem .8rem;border-radius:999px;
}
.plan-name{font-size:1.5rem;margin-bottom:.3rem}
.plan-for{font-size:.88rem;color:var(--ink-soft);min-height:2.6em}
.plan-featured .plan-for{color:rgba(243,239,230,.75)}
.plan-price{margin:1.1rem 0 1.4rem;display:flex;align-items:baseline;gap:.4rem}
.plan-price .amount{font-family:var(--display);font-size:2.3rem}
.plan-price .per{color:var(--ink-soft);font-size:.9rem}
.plan-featured .per{color:rgba(243,239,230,.7)}
.plan-feats{list-style:none;margin:0 0 1.8rem;padding:0;display:flex;flex-direction:column;gap:.7rem;flex:1}
.plan-feats li{position:relative;padding-left:1.5rem;font-size:.92rem}
.plan-feats li::before{content:"";position:absolute;left:0;top:.45em;width:8px;height:8px;background:var(--amber);transform:rotate(45deg)}
.plan-cta{width:100%}

.pricing-extra{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.5rem}
.pricing-extra>div{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.5rem}
.section-alt .pricing-extra>div{background:#fff}
.pricing-extra h4{font-size:1.05rem;margin-bottom:.5rem}
.pricing-extra p{font-size:.9rem;color:var(--ink-soft)}
.pricing-extra a{color:var(--amber);text-decoration:underline;text-underline-offset:2px}

/* ---------- People ---------- */
.people{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.person{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.person img{aspect-ratio:1/1;object-fit:cover}
.person figcaption{padding:1.3rem 1.5rem 1.6rem;display:flex;flex-direction:column;gap:.4rem}
.person strong{font-family:var(--display);font-size:1.2rem;font-weight:500}
.person span{font-size:.9rem;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:3rem;align-items:start}
.faq{display:flex;flex-direction:column;gap:.8rem}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:.3rem 1.4rem;transition:border-color .2s}
.faq details[open]{border-color:var(--amber)}
.faq summary{cursor:pointer;font-weight:600;padding:1.1rem 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--amber);font-size:1.3rem;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 1.2rem;color:var(--ink-soft);font-size:.95rem}
.faq a{color:var(--amber);text-decoration:underline;text-underline-offset:2px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:3rem;align-items:start}
.contact-info h2{font-size:clamp(1.9rem,3vw,2.5rem);margin-bottom:.8rem}
.contact-list{list-style:none;margin:2rem 0 0;padding:0;display:flex;flex-direction:column;gap:1.3rem}
.contact-list li{display:flex;flex-direction:column;gap:.25rem}
.ci-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber)}
.contact-list a{text-decoration:none;font-size:1.1rem;font-weight:500}
.contact-list a:hover{color:var(--amber)}
.contact-list address{font-style:normal;color:var(--ink-soft);line-height:1.5}

.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem;box-shadow:var(--shadow-sm)}
.section-alt .contact-form{background:var(--paper)}
.field{margin-bottom:1.2rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field label{display:block;font-size:.88rem;font-weight:500;margin-bottom:.45rem}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem .9rem;border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);
  font-family:var(--body);font-size:.95rem;background:#fff;color:var(--ink);transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--amber);outline:none}
.field textarea{resize:vertical}
.field input.invalid,.field textarea.invalid{border-color:#b4452f}
.err{display:block;color:#b4452f;font-size:.78rem;margin-top:.35rem;min-height:1em}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--ink-soft);margin-bottom:1.4rem}
.consent input{margin-top:.25rem;width:18px;height:18px;accent-color:var(--amber);flex-shrink:0}
.consent a{color:var(--amber);text-decoration:underline;text-underline-offset:2px}
.form-status{margin-top:1rem;font-size:.9rem;font-weight:500;min-height:1.2em}
.form-status.ok{color:#2f7d4f}
.form-status.bad{color:#b4452f}

/* ---------- Final CTA ---------- */
.final-cta{background:var(--slate);color:var(--cream);position:relative;overflow:hidden}
.final-cta::before{content:"";position:absolute;inset:0;background:url("images/og.jpg") center/cover;opacity:.25}
.final-inner{position:relative;text-align:center;padding:5rem 0;max-width:40rem;margin-inline:auto}
.final-inner h2{font-size:clamp(2rem,3.6vw,2.9rem);color:#fff;margin-bottom:1rem}
.final-inner p{color:rgba(243,239,230,.82);margin-bottom:2rem;font-size:1.08rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--slate-2);color:rgba(243,239,230,.8);padding-top:3.5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;padding-bottom:2.5rem}
.footer-brand .brand-text{color:var(--cream);font-size:1.3rem}
.footer-brand p{font-size:.9rem;margin-top:.8rem;max-width:24rem}
.footer-legal-id{font-size:.78rem;color:rgba(243,239,230,.5);margin-top:1rem}
.footer-col h4{color:var(--cream);font-size:1rem;margin-bottom:1rem;font-family:var(--body);font-weight:600}
.footer-col a{display:block;text-decoration:none;font-size:.9rem;padding:.35rem 0;color:rgba(243,239,230,.75)}
.footer-col a:hover{color:var(--amber-l)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 0;border-top:1px solid rgba(255,255,255,.1);flex-wrap:wrap;gap:1rem}
.footer-bottom p{font-size:.82rem;color:rgba(243,239,230,.55)}
.link-btn{background:none;border:0;color:rgba(243,239,230,.75);font-family:var(--body);font-size:.85rem;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link-btn:hover{color:var(--amber-l)}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:150;
  background:var(--slate);color:var(--cream);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);box-shadow:0 20px 60px -20px rgba(0,0,0,.6);
  max-width:920px;margin-inline:auto;padding:1.4rem 1.6rem;
}
.cookie-inner{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}
.cookie-text{flex:1;min-width:16rem}
.cookie-text strong{display:block;margin-bottom:.3rem;font-family:var(--display);font-size:1.1rem}
.cookie-text p{font-size:.86rem;color:rgba(243,239,230,.78)}
.cookie-text a{color:var(--amber-l)}
.cookie-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.cookie-actions .btn{padding:.6rem 1rem;font-size:.85rem}
.cookie-banner .btn-ghost{border-color:rgba(243,239,230,.3);color:var(--cream)}
.cookie-banner .btn-ghost:hover{border-color:var(--cream);background:rgba(255,255,255,.06)}
.cookie-prefs{margin-top:1.2rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.1)}
.pref-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.6rem 0;font-size:.86rem}
.pref-row span strong{font-family:var(--body)}
.pref-row input{width:18px;height:18px;accent-color:var(--amber)}
.cookie-prefs-actions{margin-top:.8rem}

/* ---------- Legal pages ---------- */
.legal-page{max-width:46rem;margin:0 auto;padding:3.5rem 0 4rem}
.legal-page h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:.5rem}
.legal-meta{font-family:var(--mono);font-size:.8rem;color:var(--ink-soft);margin-bottom:2.5rem}
.legal-page h2{font-size:1.4rem;margin:2.2rem 0 .8rem}
.legal-page h3{font-size:1.1rem;margin:1.5rem 0 .5rem;font-family:var(--body);font-weight:600}
.legal-page p,.legal-page li{color:var(--ink-soft);font-size:.97rem;margin-bottom:.8rem}
.legal-page ul{padding-left:1.3rem}
.legal-page a{color:var(--amber);text-decoration:underline;text-underline-offset:2px}
.legal-back{display:inline-flex;align-items:center;gap:.4rem;font-weight:600;text-decoration:none;margin-bottom:2rem;font-size:.9rem}
.legal-back:hover{color:var(--amber)}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .hero-grid,.forecaster-grid,.contact-grid,.faq-wrap{grid-template-columns:1fr;gap:2.5rem}
  .hero-visual{order:-1}
  .strata,.cards,.pricing,.pricing-extra,.people{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .plan-featured{transform:none}
}
@media (max-width:680px){
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .section{padding:3.8rem 0}
  .strata,.cards,.pricing,.pricing-extra,.people,.footer-grid,.field-row,.forecaster-out{grid-template-columns:1fr}
  .strip-points{margin-left:0}
  .hero-stats{gap:1.4rem}
  .cookie-inner{flex-direction:column;align-items:flex-start}
  .cookie-actions{width:100%}
  .cookie-actions .btn{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}