/* ==========================================================================
   christIAn — style.css
   Bianco / nero premium + rosso opaco
   ========================================================================== */

:root{
  --ink:        #0B0B0C;
  --ink-2:      #141417;
  --ink-3:      #1D1D21;
  --paper:      #F2F0EB;
  --paper-2:    #E5E1D8;
  --paper-ink:  #14130F;
  --rosso:      #8E2B22;
  --rosso-hi:   #AC372B;
  --rosso-soft: rgba(142, 43, 34, .14);
  --line-d:     rgba(255,255,255,.13);
  --line-l:     rgba(20,19,15,.14);
  --mut-d:      rgba(242,240,235,.62);
  --mut-l:      rgba(20,19,15,.62);

  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body:    'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 40px);
  --r: 14px;
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,video{ max-width:100%; display:block; }
a{ color:inherit; }

/* ---------- tipografia ---------- */
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:800;
  line-height:1.02;
  letter-spacing:-.03em;
  margin:0;
  text-wrap:balance;
}
h1{ font-size:clamp(2.6rem, 7vw, 5.1rem); margin-bottom:22px; }
h2{ font-size:clamp(2rem, 4.6vw, 3.3rem); margin-bottom:20px; }
h3{ font-size:clamp(1.25rem, 2.2vw, 1.6rem); letter-spacing:-.02em; margin-bottom:10px; }
p{ margin:0 0 1em; }
strong{ font-weight:600; }

.kicker{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--rosso-hi);
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.kicker::before{
  content:"";
  width:26px; height:1px;
  background:var(--rosso-hi);
  flex:none;
}
.lead{ font-size:clamp(1.05rem, 1.6vw, 1.22rem); color:var(--mut-d); max-width:62ch; }

/* ---------- layout ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }
.section{ padding-block:clamp(72px, 10vw, 132px); position:relative; }
section[id]{ scroll-margin-top:84px; }
.section--tight{ padding-block:clamp(52px, 7vw, 88px); }

.paper{ background:var(--paper); color:var(--paper-ink); }
.paper .lead{ color:var(--mut-l); }
.paper .kicker{ color:var(--rosso); }
.paper .kicker::before{ background:var(--rosso); }

/* ---------- header ---------- */
.site-head{
  position:fixed; inset:0 0 auto 0; z-index:80;
  display:flex; align-items:center; justify-content:space-between;
  gap:20px;
  padding:16px var(--pad);
  transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
.site-head.is-stuck{
  background:rgba(11,11,12,.88);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line-d);
  padding-block:11px;
}
.brand{ display:flex; align-items:center; gap:11px; text-decoration:none; flex:none; }
.brand img{ width:30px; height:30px; }
.brand span{
  font-family:var(--display); font-weight:800; font-size:1.16rem;
  letter-spacing:-.03em; color:#fff;
}
.nav{ display:flex; align-items:center; gap:28px; }
.nav a{
  text-decoration:none; font-size:.93rem; color:var(--mut-d);
  transition:color .2s ease;
}
.nav a:hover{ color:#fff; }
.nav-cta{
  font-family:var(--mono); font-size:.76rem; letter-spacing:.1em; text-transform:uppercase;
  border:1px solid var(--line-d); border-radius:100px; padding:10px 18px;
  color:#fff !important; transition:background .2s ease, border-color .2s ease;
}
.nav-cta:hover{ background:var(--rosso); border-color:var(--rosso); }
.burger{
  display:none; width:44px; height:38px; border:1px solid var(--line-d);
  border-radius:9px; background:none; cursor:pointer; padding:0;
  align-items:center; justify-content:center; flex-direction:column; gap:5px;
}
.burger i{ display:block; width:17px; height:1.5px; background:#fff; transition:transform .25s ease, opacity .2s ease; }
.burger.is-open i:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.burger.is-open i:nth-child(2){ opacity:0; }
.burger.is-open i:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

/* ---------- bottoni ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 28px; border-radius:100px;
  font-family:var(--body); font-weight:600; font-size:.98rem;
  text-decoration:none; border:1px solid transparent; cursor:pointer;
  transition:transform .18s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:var(--rosso); color:#fff; }
.btn--primary:hover{ background:var(--rosso-hi); }
.btn--ghost{ border-color:var(--line-d); color:#fff; }
.btn--ghost:hover{ border-color:#fff; }
.paper .btn--ghost{ border-color:var(--line-l); color:var(--paper-ink); }
.paper .btn--ghost:hover{ border-color:var(--paper-ink); }
.btn-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }

/* ---------- hero home ---------- */
.hero{
  display:grid; align-items:center;
  padding:clamp(128px,17vh,175px) 0 clamp(56px,8vh,92px);
  position:relative; overflow:hidden;
}
.hero::after{
  content:""; position:absolute; inset:auto -20% -55% 30%;
  height:70vh; pointer-events:none;
  background:radial-gradient(45% 50% at 50% 50%, rgba(142,43,34,.30), transparent 70%);
  filter:blur(20px);
}
.hero .wrap{ position:relative; z-index:2; }
.hero-solo{ max-width:920px; }
.media-row{ max-width:880px; margin:clamp(48px,7vw,84px) auto 0; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(30px,5vw,64px); align-items:center; }
.hero h1{ margin-bottom:22px; }
.hero h1 em{ font-style:normal; color:var(--rosso-hi); }
.hero-note{
  font-family:var(--mono); font-size:.74rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--mut-d); margin-top:30px; display:flex; align-items:center; gap:10px;
}
.dot{ width:7px; height:7px; border-radius:50%; background:#2ecc71; flex:none; box-shadow:0 0 0 0 rgba(46,204,113,.5); animation:pulse 2.4s infinite; }
@keyframes pulse{ 70%{ box-shadow:0 0 0 9px rgba(46,204,113,0);} 100%{ box-shadow:0 0 0 0 rgba(46,204,113,0);} }

/* ---------- chat simulata ---------- */
.chat{
  background:#0A0A0B;
  border:1px solid var(--line-d);
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 40px 90px rgba(0,0,0,.55);
}
.chat-unit{ max-width:430px; width:100%; margin-inline:auto; }
.paper .chat{ box-shadow:0 30px 70px rgba(20,19,15,.22); border-color:rgba(0,0,0,.2); }
.chat-top{
  display:flex; align-items:center; gap:11px;
  padding:13px 16px; background:#151517; border-bottom:1px solid var(--line-d);
}
.chat-av{
  width:34px; height:34px; border-radius:50%; flex:none;
  background:var(--rosso); display:grid; place-items:center;
  font-size:16px;
}
.chat-name{ font-size:.92rem; font-weight:600; color:#fff; line-height:1.25; }
.chat-sub{ font-family:var(--mono); font-size:.66rem; color:var(--mut-d); letter-spacing:.06em; }
.chat-body{
  padding:18px 14px; min-height:430px; max-height:60vh; overflow-y:auto;
  display:flex; flex-direction:column; justify-content:flex-end; gap:9px;
  background:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,.035) 0 1px, transparent 1px),
    radial-gradient(circle at 72% 44%, rgba(255,255,255,.03) 0 1px, transparent 1px),
    #0A0A0B;
  background-size:120px 120px, 90px 90px, auto;
  scrollbar-width:thin; scrollbar-color:rgba(255,255,255,.18) transparent;
}
.chat-body::-webkit-scrollbar{ width:5px; }
.chat-body::-webkit-scrollbar-thumb{ background:rgba(255,255,255,.18); border-radius:9px; }
.msg{
  max-width:84%; padding:9px 12px; border-radius:12px;
  font-size:.87rem; line-height:1.5; white-space:pre-wrap;
  color:#EDEDED; animation:pop .26s ease both;
}
@keyframes pop{ from{ opacity:0; transform:translateY(8px) scale(.98);} to{ opacity:1; transform:none;} }
.msg--bot{ background:#10352A; align-self:flex-end; border-bottom-right-radius:4px; }
.msg--user{ background:#1F2024; align-self:flex-start; border-bottom-left-radius:4px; }
.msg b{ font-weight:700; }
.msg .t{ display:block; text-align:right; font-size:.63rem; color:rgba(255,255,255,.42); margin-top:3px; }
.typing{ display:flex; gap:4px; align-self:flex-end; background:#10352A; padding:13px 14px; border-radius:12px; border-bottom-right-radius:4px; }
.typing i{ width:6px; height:6px; border-radius:50%; background:rgba(255,255,255,.6); animation:blink 1.3s infinite; }
.typing i:nth-child(2){ animation-delay:.18s; }
.typing i:nth-child(3){ animation-delay:.36s; }
@keyframes blink{ 0%,60%,100%{ opacity:.28; transform:translateY(0);} 30%{ opacity:1; transform:translateY(-3px);} }
.chat-cap{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.09em;
  color:var(--mut-d); text-align:center; margin-top:14px;
}
.paper .chat-cap{ color:var(--mut-l); }
.chat-replay[hidden]{ display:none; }
.chat-replay{
  display:block; margin:8px auto 0; background:none; border:0; cursor:pointer;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--rosso-hi); padding:4px 8px;
}
.chat-replay:hover{ text-decoration:underline; }

/* ---------- griglia servizi ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line-l); border:1px solid var(--line-l); border-radius:var(--r); overflow:hidden; margin-top:44px; }
.svc{
  background:var(--paper); padding:30px 26px 26px; text-decoration:none; color:inherit;
  display:flex; flex-direction:column; min-height:212px; position:relative;
  transition:background .25s ease, color .25s ease;
}
.svc:hover{ background:var(--ink); color:var(--paper); }
.svc-n{ font-family:var(--mono); font-size:.7rem; letter-spacing:.14em; opacity:.5; margin-bottom:auto; }
.svc h3{ margin-bottom:8px; }
.svc p{ font-size:.9rem; line-height:1.5; margin:0; opacity:.7; }
.svc-arrow{ font-family:var(--mono); font-size:.95rem; margin-top:16px; color:var(--rosso); transition:transform .25s ease; }
.svc:hover .svc-arrow{ transform:translateX(6px); color:var(--rosso-hi); }
.svc--main{ background:var(--ink); color:var(--paper); }
.svc--main:hover{ background:#000; }
.svc--main .svc-n{ color:var(--rosso-hi); opacity:1; }
.tag{
  position:absolute; top:26px; right:24px;
  font-family:var(--mono); font-size:.6rem; letter-spacing:.12em; text-transform:uppercase;
  background:var(--rosso); color:#fff; padding:4px 9px; border-radius:100px;
}

/* ---------- blocchi contenuto ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,5vw,72px); align-items:center; }
.split--top{ align-items:start; }
.head-block{ max-width:74ch; }


.bullets{ list-style:none; padding:0; margin:26px 0 0; display:grid; gap:2px; }
.bullets li{ position:relative; padding:13px 0 13px 30px; border-top:1px solid var(--line-l); font-size:.97rem; }
.bullets li:last-child{ border-bottom:1px solid var(--line-l); }
.bullets li::before{
  content:""; position:absolute; left:4px; top:22px;
  width:7px; height:7px; background:var(--rosso); border-radius:2px;
}
.section:not(.paper) .bullets li{ border-color:var(--line-d); }

.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-l); border-block:1px solid var(--line-l); margin-top:48px; }
.section:not(.paper) .steps{ background:var(--line-d); border-color:var(--line-d); }
.step{ background:var(--paper); padding:30px 26px; }
.section:not(.paper) .step{ background:var(--ink); }
.step-n{ font-family:var(--display); font-weight:800; font-size:2.6rem; color:var(--rosso); line-height:1; letter-spacing:-.04em; }
.step h3{ margin:14px 0 8px; font-size:1.12rem; }
.step p{ font-size:.92rem; margin:0; opacity:.72; }

/* ---------- tabella confronto ---------- */
.cmp{ width:100%; border-collapse:collapse; margin-top:40px; font-size:.95rem; }
.cmp th, .cmp td{ padding:16px 18px; text-align:left; border-bottom:1px solid var(--line-l); vertical-align:top; }
.section:not(.paper) .cmp th, .section:not(.paper) .cmp td{ border-color:var(--line-d); }
.cmp thead th{
  font-family:var(--mono); font-size:.7rem; letter-spacing:.13em; text-transform:uppercase;
  border-bottom-width:2px; border-bottom-color:currentColor;
}
.cmp tbody th{ font-weight:600; width:26%; }
.cmp .col-us{ background:var(--rosso-soft); font-weight:600; }
.cmp thead .col-us{ color:var(--rosso); }
.cmp-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; }

/* ---------- specifiche ---------- */
.specs{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-l); border:1px solid var(--line-l); border-radius:var(--r); overflow:hidden; margin-top:44px; }
.section:not(.paper) .specs{ background:var(--line-d); border-color:var(--line-d); }
.spec{ background:var(--paper); padding:26px 24px; }
.section:not(.paper) .spec{ background:var(--ink-2); }
.spec h4{ font-size:1.02rem; margin-bottom:7px; letter-spacing:-.02em; }
.spec p{ margin:0; font-size:.9rem; line-height:1.55; opacity:.72; }

/* ---------- prezzo ---------- */
.price{
  border:1px solid var(--line-d); border-radius:var(--r);
  padding:clamp(28px,4vw,44px); margin-top:52px;
  background:linear-gradient(180deg, rgba(142,43,34,.14), transparent 70%);
}
.paper .price{ border-color:var(--line-l); }
.price h3{ margin-bottom:12px; }
.price p{ margin:0; max-width:60ch; opacity:.78; }

/* ---------- video ---------- */
.video-box{ border:1px solid var(--line-d); border-radius:var(--r); overflow:hidden; background:#000; }
.video-box video{ width:100%; height:auto; display:block; }

/* ---------- caso in uso ---------- */
.live{
  display:flex; gap:16px; align-items:flex-start;
  border-left:3px solid var(--rosso); padding:6px 0 6px 22px; margin-top:40px;
  max-width:60ch;
}
.live p{ margin:0; font-size:.98rem; }
.live .kicker{ margin-bottom:6px; }

/* ---------- chi sono ---------- */
.about-card{
  border:1px solid var(--line-d); border-radius:var(--r);
  padding:clamp(28px,4vw,48px);
  background:var(--ink-2);
}
.sig{ font-family:var(--display); font-weight:800; font-size:1.3rem; letter-spacing:-.03em; margin-top:26px; }
.sig small{ display:block; font-family:var(--mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--mut-d); font-weight:400; margin-top:6px; }

/* ---------- contatti ---------- */
.contact{ text-align:center; }
.contact h2{ margin-bottom:18px; }
.contact .lead{ margin-inline:auto; }
.contact-rows{ display:grid; gap:1px; background:var(--line-d); border-block:1px solid var(--line-d); margin-top:52px; text-align:left; }
.crow{
  background:var(--ink); padding:26px clamp(18px,3vw,32px);
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  text-decoration:none; transition:background .2s ease;
}
.crow:hover{ background:var(--ink-2); }
.crow-l{ font-family:var(--mono); font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--mut-d); }
.crow-v{ font-family:var(--display); font-weight:800; font-size:clamp(1.1rem,2.4vw,1.65rem); letter-spacing:-.03em; }
.crow-a{ color:var(--rosso-hi); font-family:var(--mono); }

/* ---------- footer ---------- */
.site-foot{ border-top:1px solid var(--line-d); padding-block:56px 32px; background:var(--ink); }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
.foot-logo{ width:150px; margin-bottom:18px; }
.foot h5{
  font-family:var(--mono); font-size:.7rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--mut-d); margin:0 0 16px; font-weight:400;
}
.foot ul{ list-style:none; padding:0; margin:0; display:grid; gap:9px; }
.foot a{ text-decoration:none; font-size:.92rem; color:var(--mut-d); transition:color .2s ease; }
.foot a:hover{ color:#fff; }
.foot-bot{
  margin-top:46px; padding-top:22px; border-top:1px solid var(--line-d);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.1em; color:var(--mut-d);
}

/* ---------- hero pagina servizio ---------- */
.svc-hero{ padding:clamp(140px,20vh,190px) 0 clamp(56px,8vh,90px); position:relative; overflow:hidden; }
.svc-hero::after{
  content:""; position:absolute; inset:auto -30% -70% 40%; height:60vh;
  background:radial-gradient(45% 50% at 50% 50%, rgba(142,43,34,.26), transparent 70%);
  pointer-events:none;
}
.svc-hero .wrap{ position:relative; z-index:2; }
.back{
  display:inline-flex; align-items:center; gap:8px; text-decoration:none;
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--mut-d); margin-bottom:26px;
}
.back:hover{ color:#fff; }

/* ---------- reveal ---------- */
.rv{ opacity:0; transform:translateY(22px); transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.rv.in{ opacity:1; transform:none; }

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .svc-grid{ grid-template-columns:repeat(2,1fr); }
  .specs{ grid-template-columns:repeat(2,1fr); }
  .foot-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:860px){
  .hero-grid{ grid-template-columns:1fr; gap:44px; }
  .hero{ min-height:auto; }
  .split{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .nav{
    position:fixed; inset:0; z-index:70;
    background:rgba(8,8,9,.97); backdrop-filter:blur(16px);
    flex-direction:column; justify-content:center; gap:26px;
    transform:translateX(100%); transition:transform .34s cubic-bezier(.4,0,.2,1);
  }
  .nav.is-open{ transform:none; }
  .nav a{ font-size:1.4rem; font-family:var(--display); font-weight:800; letter-spacing:-.03em; color:#fff; }
  .nav-cta{ font-family:var(--mono); font-size:.8rem; }
  .burger{ display:flex; position:relative; z-index:90; }
  .crow{ flex-direction:column; align-items:flex-start; gap:8px; }
  .crow-a{ display:none; }
}
@media (max-width:620px){
  body{ font-size:16px; }
  .svc-grid{ grid-template-columns:1fr; }
  .specs{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; gap:32px; }
  .chat-body{ min-height:380px; }
  .btn{ width:100%; justify-content:center; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .rv{ opacity:1; transform:none; }
}

:focus-visible{ outline:2px solid var(--rosso-hi); outline-offset:3px; border-radius:4px; }