/* g1g10 · Vetrina e acquisto. Colori e caratteri del marchio (come la presentazione): carta, inchiostro, blu, lime, verde acqua. */
:root{
  --bg:#0b0b0a; --bg-soft:#141311; --bg-card:#181714;
  --paper:#ece6d8; --ink:#161410;
  --blue:#1f56d6; --blue-deep:#0f3a9e; --lime:#d7e424; --teal:#2ad9c2;
  --grey:#8f897c; --white:#f5f2ea;
  --line:rgba(245,242,234,.14); --line-strong:rgba(245,242,234,.28);
  --fg:#f5f2ea; --text-soft:#c7c3b7; --lime-text:#d7e424; --teal-text:#2ad9c2; --blue-text:#6f9bff;
  --err:#ff8a7a; --ok:#2ad9c2;
  --header-bg:rgba(11,11,10,.86);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f5f2ea; --bg-soft:#ebe5d6; --bg-card:#fbf9f3; --grey:#6b665b;
  --line:rgba(22,20,16,.14); --line-strong:rgba(22,20,16,.3);
  --fg:#161410; --text-soft:#4a4740; --lime-text:#5f6700; --teal-text:#0b7d6f; --blue-text:#1f56d6;
  --err:#b3261e; --ok:#0b7d6f; --header-bg:rgba(245,242,234,.9); color-scheme:light;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#f5f2ea; --bg-soft:#ebe5d6; --bg-card:#fbf9f3; --grey:#6b665b;
  --line:rgba(22,20,16,.14); --line-strong:rgba(22,20,16,.3);
  --fg:#161410; --text-soft:#4a4740; --lime-text:#5f6700; --teal-text:#0b7d6f; --blue-text:#1f56d6;
  --err:#b3261e; --ok:#0b7d6f; --header-bg:rgba(245,242,234,.9); color-scheme:light;
}}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:'Archivo',sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:'Anton',sans-serif;font-weight:400;letter-spacing:.01em;line-height:1.08}
a{color:inherit}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:1140px;margin:0 auto;padding:0 32px}
@media (max-width:600px){.wrap{padding:0 16px}}
.grain{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}

/* Avviso di anteprima */
.preview-bar{background:var(--lime);color:var(--ink);font:600 13px/1.4 'IBM Plex Mono',monospace;text-align:center;padding:7px 16px}

/* Testata */
header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.nav-logo{display:flex;text-decoration:none}.nav-logo .g1logo{font-size:26px}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--grey)}
.nav-links a{text-decoration:none}.nav-links a:hover{color:var(--fg)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-login{font:600 13px 'IBM Plex Mono',monospace;text-decoration:none;padding:9px 4px}
.nav-login:hover{color:var(--blue-text)}
@media (max-width:860px){.nav-links{display:none}}
@media (max-width:420px){.nav-login{display:none}}

/* Pulsanti */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 14px 'IBM Plex Mono',monospace;text-decoration:none;
  background:var(--blue);color:var(--white);padding:12px 22px;border-radius:2px;border:1px solid var(--blue);cursor:pointer;transition:background .15s}
.btn:hover{background:var(--blue-deep);border-color:var(--blue-deep)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line-strong)}
.btn.ghost:hover{border-color:var(--fg)}
.btn.small{padding:9px 16px;font-size:13px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* Etichette a strappo */
.strip{display:inline-block;background:var(--paper);color:var(--ink);font-family:'Anton',sans-serif;padding:8px 20px;
  clip-path:polygon(1% 12%,30% 0%,70% 6%,99% 0%,100% 88%,72% 100%,28% 94%,0% 100%)}
.kicker{font:600 12px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}

/* Hero */
.hero{padding:88px 0 64px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{font-size:clamp(44px,6.4vw,78px);margin:18px 0 22px}
.hero h1 .blue{color:var(--blue-text)}
.hero p.lead{font-size:20px;color:var(--text-soft);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{margin-top:16px;font:13px 'IBM Plex Mono',monospace;color:var(--grey)}
.launch-pill{display:inline-block;background:var(--lime);color:var(--ink);font:600 12px 'IBM Plex Mono',monospace;padding:6px 12px;border-radius:2px;transform:rotate(-1deg)}

/* Scheda illustrativa: il «ponte» delle variazioni */
.mock{background:var(--paper);color:var(--ink);padding:26px 26px 22px;border-radius:2px;box-shadow:14px 14px 0 var(--blue),0 22px 50px rgba(0,0,0,.35);transform:rotate(1deg);position:relative}
.mock h3{font-size:22px;margin-bottom:2px}
.mock .sub{font:12px 'IBM Plex Mono',monospace;color:#6b665b;margin-bottom:18px}
.bridge{display:grid;gap:9px}
.bridge .row{display:grid;grid-template-columns:128px 1fr 74px;gap:10px;align-items:center;font-size:13px}
.bridge .bar-track{position:relative;height:18px}
.bridge .bar{position:absolute;top:0;height:18px;border-radius:1px}
.bridge .v{font:600 12px 'IBM Plex Mono',monospace;text-align:right}
.bridge .tot{border-top:1.5px solid #161410;padding-top:9px;font-weight:600}
.mock .foot{margin-top:16px;font-size:13px;background:#161410;color:#ece6d8;padding:10px 12px;border-radius:2px}
.mock .foot b{color:#d7e424}

/* Sezioni */
section.block{padding:84px 0;border-top:1px solid var(--line)}
section.block h2{font-size:clamp(34px,4.6vw,52px);margin:12px 0 14px}
section.block .intro{color:var(--text-soft);max-width:44em;font-size:18px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg-card);border:1px solid var(--line);padding:26px;border-radius:2px}
.step .n{font-family:'Anton',sans-serif;font-size:44px;color:var(--blue-text);line-height:1}
.step h3{font-size:24px;margin:12px 0 8px}
.step p{color:var(--text-soft);font-size:16px}
.step .files{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.chip{font:600 11px 'IBM Plex Mono',monospace;border:1px solid var(--line-strong);padding:3px 8px;border-radius:2px;color:var(--text-soft)}

.features{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:40px}
@media (max-width:760px){.features{grid-template-columns:1fr}}
.feat{border-left:4px solid var(--blue);padding:4px 0 4px 20px}
.feat:nth-child(2){border-color:var(--lime)}.feat:nth-child(3){border-color:var(--teal)}.feat:nth-child(4){border-color:var(--paper)}
.feat:nth-child(5){border-color:var(--blue)}.feat:nth-child(6){border-color:var(--lime)}
.feat h3{font-size:24px;margin-bottom:6px}
.feat p{color:var(--text-soft);font-size:16px}

.who{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
@media (max-width:760px){.who{grid-template-columns:1fr}}
.who-card{background:var(--bg-card);border:1px solid var(--line);padding:30px;border-radius:2px}
.who-card h3{font-size:30px;margin:10px 0 10px}
.who-card ul{list-style:none;display:grid;gap:9px;margin-top:14px}
.who-card li{padding-left:24px;position:relative;color:var(--text-soft);font-size:16px}
.who-card li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:6px;border-left:2.5px solid var(--teal-text);border-bottom:2.5px solid var(--teal-text);transform:rotate(-45deg)}

/* Prezzi */
.tabs{display:inline-flex;border:1px solid var(--line-strong);border-radius:2px;margin-top:30px}
.tabs button{font:600 14px 'IBM Plex Mono',monospace;background:transparent;color:var(--fg);border:0;padding:11px 22px;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--paper);color:var(--ink)}
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:26px}
.price{background:var(--bg-card);border:1px solid var(--line);padding:26px 24px;border-radius:2px;display:flex;flex-direction:column}
.price.hl{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue) inset}
.price .band{font:600 13px 'IBM Plex Mono',monospace;color:var(--grey);min-height:2.6em}
.price .amount{font-family:'Anton',sans-serif;font-size:46px;margin-top:10px;line-height:1}
.price .amount small{font:13px 'Archivo',sans-serif;color:var(--grey);margin-left:4px}
.price .old{font:13px 'IBM Plex Mono',monospace;color:var(--grey);text-decoration:line-through;min-height:1.4em;margin-top:6px}
.price .setup{font-size:14px;color:var(--text-soft);margin:14px 0 22px}
.price .btn{margin-top:auto}
.price-notes{margin-top:22px;display:grid;gap:6px;font-size:14px;color:var(--text-soft)}
.price-notes b{color:var(--fg)}
.included{margin-top:34px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px 26px;font-size:15px;color:var(--text-soft)}
.included div::before{content:"✓ ";color:var(--teal-text);font-weight:700}

/* Sicurezza */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
@media (max-width:860px){.trust{grid-template-columns:1fr}}
.trust div{background:var(--bg-soft);padding:24px;border-radius:2px}
.trust h3{font-size:21px;margin-bottom:8px}
.trust p{font-size:15px;color:var(--text-soft)}

/* Domande */
.faq{margin-top:34px;max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::after{content:"+";font-family:'IBM Plex Mono',monospace;color:var(--blue-text)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:10px;color:var(--text-soft);font-size:16px}

/* Chiusura e piè di pagina */
.final{text-align:center;padding:90px 0}
.final h2{font-size:clamp(34px,5vw,56px);margin-bottom:24px}
footer{border-top:1px solid var(--line);padding:36px 0 44px;font-size:14px;color:var(--grey)}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
footer a{text-decoration:none}footer a:hover{color:var(--fg)}
footer .links{display:flex;flex-wrap:wrap;gap:18px}
.todo{background:var(--lime);color:var(--ink);padding:0 4px;border-radius:2px;font-family:'IBM Plex Mono',monospace;font-size:.85em}

/* ---------- Pagina di acquisto ---------- */
.buy{padding:56px 0 90px}
.buy-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:start}
@media (max-width:900px){.buy-grid{grid-template-columns:1fr}}
.buy h1{font-size:clamp(36px,5vw,54px);margin:10px 0 8px}
.buy .intro{color:var(--text-soft)}
fieldset{border:1px solid var(--line);border-radius:2px;padding:22px 22px 8px;margin-top:26px}
legend{font:600 12px 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);padding:0 8px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media (max-width:600px){.fields{grid-template-columns:1fr}}
.field{margin-bottom:16px}.field.full{grid-column:1/-1}
label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
label .opt{font-weight:400;color:var(--grey);font-size:13px}
input[type=text],input[type=email],input[type=number],select{width:100%;font:16px 'Archivo',sans-serif;color:var(--fg);background:var(--bg-card);
  border:1px solid var(--line-strong);border-radius:2px;padding:11px 12px}
input:focus,select:focus{outline:2px solid var(--blue);outline-offset:0;border-color:var(--blue)}
.hint{font-size:13px;color:var(--grey);margin-top:5px}
.err{font-size:13px;color:var(--err);margin-top:5px;display:none}
.field.bad .err{display:block}.field.bad input,.field.bad select{border-color:var(--err)}
.plan-pick{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.plan-pick label{border:1px solid var(--line-strong);border-radius:2px;padding:14px 16px;cursor:pointer;margin:0;font-weight:400}
.plan-pick label b{display:block;font-family:'Anton',sans-serif;font-weight:400;font-size:22px}
.plan-pick label span{font-size:13px;color:var(--grey)}
.plan-pick input{position:absolute;opacity:0;pointer-events:none}
.plan-pick label:has(input:checked){border-color:var(--blue);box-shadow:0 0 0 1px var(--blue) inset}
.plan-pick label:has(input:focus-visible){outline:2px solid var(--lime)}
.check{display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start;font-weight:400;font-size:15px;margin-bottom:14px;cursor:pointer}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--blue)}
.check a{color:var(--blue-text)}
.summary{position:sticky;top:88px;background:var(--paper);color:var(--ink);padding:26px;border-radius:2px}
.summary h2{font-size:28px;margin-bottom:4px}
.summary .plan{font:13px 'IBM Plex Mono',monospace;color:#6b665b;margin-bottom:18px}
.summary table{width:100%;border-collapse:collapse;font-size:15px}
.summary td{padding:7px 0;vertical-align:top}.summary td:last-child{text-align:right;font-family:'IBM Plex Mono',monospace;white-space:nowrap;padding-left:12px}
.summary tr.tot td{border-top:1.5px solid #161410;font-weight:700;padding-top:10px}
.summary td.when{text-align:left;font:600 11px 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase;color:#6b665b;padding-top:16px}
.summary .note{font-size:13px;margin-top:16px;color:#4a4740}
.summary .btn{width:100%;margin-top:20px}
.summary .quote{font-size:15px}
.msg{margin-top:14px;padding:12px 14px;border-radius:2px;font-size:14px;display:none}
.msg.show{display:block}.msg.warn{background:#161410;color:#ece6d8}
.list{margin:0 0 4px 20px;display:grid;gap:6px;font-size:16px;color:var(--text-soft)}
.list a,.hint a{color:var(--blue-text)}
.thanks{padding-top:90px;padding-bottom:110px;max-width:760px}
.thanks h1{font-size:clamp(40px,6vw,64px);margin:14px 0 18px}
.thanks ol{margin:26px 0 30px 22px;display:grid;gap:12px;font-size:18px;color:var(--text-soft)}
.thanks ol b{color:var(--fg)}