/* ═══════════════════════════════════════════════
   NAPOLI CARRELAGE — styles.css
   Palette : Porcelaine / Anthracite / Azzurro
   ═══════════════════════════════════════════════ */

:root{
  /* Couleurs */
  --porcelain:  #F4F5F4;   /* fond clair, gris porcelaine froid */
  --white:      #FFFFFF;
  --ink:        #0D1117;   /* anthracite profond — texte + fonds sombres */
  --ink-2:      #151B23;   /* panneaux sur sombre */
  --azzurro:    #2E7BE4;   /* PRIMAIRE — bleu Napoli moderne */
  --azzurro-hi: #4E93F2;
  --steel:      #5A6470;   /* texte secondaire sur clair */
  --mist:       #9BA6B2;   /* texte secondaire sur sombre */
  --line-d:     rgba(255,255,255,.10);
  --line-l:     rgba(13,17,23,.10);

  /* Typo */
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Manrope", system-ui, sans-serif;

  --wrap: 1200px;
  --r: 18px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--body);
  background:var(--porcelain);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 28px; }

/* Étiquette de section */
.tag{
  font-family:var(--display);
  font-size:12px; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--azzurro);
  display:inline-flex; align-items:center; gap:10px;
}
.tag::before{ content:""; width:26px; height:2px; background:var(--azzurro); }

/* ═══════════ NAV ═══════════ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  transition:background .3s, box-shadow .3s;
}
.nav.scrolled{ background:rgba(244,245,244,.85); backdrop-filter:blur(14px); box-shadow:0 1px 0 var(--line-l); }
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.brand{ display:flex; align-items:center; gap:11px; font-family:var(--display); font-weight:700; font-size:19px; letter-spacing:-.01em; }
.brand .logo{ width:30px; height:30px; flex:none; }
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{ font-size:15px; font-weight:600; color:var(--ink); opacity:.75; transition:opacity .2s; position:relative; }
.nav-links a:hover, .nav-links a.active{ opacity:1; }
.nav-links a.active::after{ content:""; position:absolute; left:0; right:0; bottom:-7px; height:2px; background:var(--azzurro); border-radius:2px; }
.nav-cta{
  font-family:var(--display); font-weight:600; font-size:14px;
  background:var(--ink); color:#fff !important; opacity:1 !important;
  padding:11px 22px; border-radius:100px;
  transition:background .25s, transform .15s;
}
.nav-cta:hover{ background:var(--azzurro); }
.nav-cta::after{ display:none !important; }
.nav.on-dark .brand, .nav.on-dark .nav-links a{ color:#fff; }
.nav.on-dark.scrolled .brand, .nav.on-dark.scrolled .nav-links a{ color:var(--ink); }
.burger{ display:none; background:none; border:0; cursor:pointer; padding:8px; z-index:110; }
.burger span{ display:block; width:25px; height:2px; background:currentColor; margin:5.5px 0; border-radius:2px; transition:.3s; color:var(--ink); }
.nav.on-dark:not(.scrolled) .burger span{ background:#fff; }
.burger.x span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
.burger.x span:nth-child(2){ opacity:0; }
.burger.x span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }

/* ═══════════ HERO (accueil) ═══════════ */
.hero{
  position:relative; min-height:100svh;
  display:flex; align-items:flex-end;
  color:#fff; overflow:hidden;
}
.hero .bg{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  transform:scale(1.06);
  animation:heroZoom 8s ease-out forwards;
}
@keyframes heroZoom{ to{ transform:scale(1); } }
.hero::before{
  content:""; position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(13,17,23,.25) 0%, rgba(13,17,23,.15) 40%, rgba(13,17,23,.82) 100%);
}
/* fine grille calepinage */
.hero::after{
  content:""; position:absolute; inset:0; z-index:1;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:90px 90px;
  pointer-events:none;
}
.hero .wrap{ position:relative; z-index:2; padding-bottom:72px; padding-top:140px; }
.hero .tag{ color:#fff; }
.hero .tag::before{ background:var(--azzurro-hi); }
.hero h1{
  font-family:var(--display); font-weight:700;
  font-size:clamp(2.9rem, 7.5vw, 6rem);
  line-height:.98; letter-spacing:-.03em;
  margin:22px 0 20px; max-width:14ch;
}
.hero h1 .blue{ color:var(--azzurro-hi); }
.hero .lead{ font-size:clamp(1.05rem,1.5vw,1.25rem); font-weight:500; color:rgba(255,255,255,.85); max-width:50ch; margin-bottom:36px; }
.btn{
  font-family:var(--display); font-weight:600; font-size:16px;
  padding:16px 30px; border-radius:100px; border:0; cursor:pointer;
  display:inline-flex; align-items:center; gap:10px;
  transition:transform .2s, background .25s, box-shadow .25s;
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }
.btn-blue{ background:var(--azzurro); color:#fff; box-shadow:0 8px 30px rgba(46,123,228,.35); }
.btn-blue:hover{ background:var(--azzurro-hi); }
.btn-glass{ background:rgba(255,255,255,.12); color:#fff; backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,.25); }
.btn-glass:hover{ background:rgba(255,255,255,.2); }
.btn-dark{ background:var(--ink); color:#fff; }
.btn-dark:hover{ background:var(--azzurro); }
.btns{ display:flex; gap:14px; flex-wrap:wrap; }

.hero .stats{
  display:flex; gap:56px; flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.18);
  margin-top:56px; padding-top:30px;
}
.hero .stats .s .n{ font-family:var(--display); font-weight:700; font-size:2rem; }
.hero .stats .s .l{ font-size:13px; color:rgba(255,255,255,.65); letter-spacing:.04em; text-transform:uppercase; font-weight:600; }

.scroll-hint{
  position:absolute; right:36px; bottom:36px; z-index:2;
  width:44px; height:70px; border:1.5px solid rgba(255,255,255,.35); border-radius:100px;
  display:flex; justify-content:center; padding-top:12px;
}
.scroll-hint i{ width:4px; height:10px; background:#fff; border-radius:4px; animation:drop 1.8s infinite; }
@keyframes drop{ 0%{ transform:translateY(0); opacity:1;} 70%{ transform:translateY(26px); opacity:0;} 100%{opacity:0;} }

/* ═══════════ SECTIONS ═══════════ */
section{ padding:110px 0; }
.head{ max-width:640px; margin-bottom:56px; }
.head h2{
  font-family:var(--display); font-weight:700;
  font-size:clamp(2rem,4vw,3.2rem);
  letter-spacing:-.025em; line-height:1.05;
  margin:18px 0 14px;
}
.head p{ color:var(--steel); font-size:1.1rem; }
.head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.head.center .tag{ justify-content:center; }
.head.center .tag::before{ display:none; }

/* ═══════════ SERVICES ═══════════ */
.services-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.svc{
  background:var(--white); border-radius:var(--r);
  padding:36px 32px 40px;
  border:1px solid var(--line-l);
  transition:transform .3s, box-shadow .3s, border-color .3s;
  position:relative; overflow:hidden;
}
.svc::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg, var(--azzurro), var(--azzurro-hi));
  transform:scaleX(0); transform-origin:left; transition:transform .35s;
}
.svc:hover{ transform:translateY(-6px); box-shadow:0 24px 50px rgba(13,17,23,.09); border-color:transparent; }
.svc:hover::before{ transform:scaleX(1); }
.svc .ico{
  width:52px; height:52px; border-radius:14px;
  background:rgba(46,123,228,.1); color:var(--azzurro);
  display:grid; place-items:center; margin-bottom:22px;
}
.svc .ico svg{ width:26px; height:26px; }
.svc h3{ font-family:var(--display); font-weight:600; font-size:1.3rem; letter-spacing:-.01em; margin-bottom:8px; }
.svc p{ color:var(--steel); font-size:.98rem; }

/* ═══════════ RÉALISATIONS (tilt 3D) ═══════════ */
.work{ background:var(--ink); color:#fff; }
.work .head p{ color:var(--mist); }
.work-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:26px;
  perspective:1400px;
}
.card3d{
  position:relative; border-radius:var(--r); overflow:hidden;
  transform-style:preserve-3d;
  transition:transform .18s ease-out, box-shadow .3s;
  background:var(--ink-2);
  will-change:transform;
  cursor:pointer;
}
.card3d img{ width:100%; aspect-ratio:16/11; object-fit:cover; transition:transform .5s; }
.card3d:hover img{ transform:scale(1.04); }
.card3d .info{
  position:absolute; left:0; right:0; bottom:0;
  padding:26px 26px 22px;
  background:linear-gradient(transparent, rgba(13,17,23,.92));
  transform:translateZ(40px);
}
.card3d .info .cat{
  font-family:var(--display); font-size:11px; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--azzurro-hi);
}
.card3d .info h3{ font-family:var(--display); font-weight:600; font-size:1.4rem; letter-spacing:-.01em; margin-top:6px; }
.card3d .shine{
  position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,.14), transparent 45%);
  opacity:0; transition:opacity .3s;
}
.card3d:hover .shine{ opacity:1; }

/* ═══════════ HISTOIRE ═══════════ */
.story .grid{ display:grid; grid-template-columns:1.05fr 1fr; gap:72px; align-items:center; }
.story .photo{
  border-radius:var(--r); overflow:hidden; position:relative;
  box-shadow:0 30px 70px rgba(13,17,23,.16);
}
.story .photo img{ width:100%; aspect-ratio:4/5; object-fit:cover; }
.story .photo .badge{
  position:absolute; bottom:22px; left:22px;
  background:rgba(255,255,255,.92); backdrop-filter:blur(8px);
  border-radius:14px; padding:16px 22px;
}
.story .photo .badge .n{ font-family:var(--display); font-weight:700; font-size:1.7rem; color:var(--azzurro); line-height:1; }
.story .photo .badge .l{ font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--steel); }
.story .txt p{ color:var(--steel); font-size:1.06rem; margin-bottom:18px; }
.story .txt p b{ color:var(--ink); }
.vals{ display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:30px; }
.val{ background:var(--white); border:1px solid var(--line-l); border-radius:14px; padding:18px 20px; }
.val .t{ font-family:var(--display); font-weight:600; font-size:1.02rem; display:flex; align-items:center; gap:9px; }
.val .t::before{ content:""; width:8px; height:8px; border-radius:2px; background:var(--azzurro); transform:rotate(45deg); flex:none; }
.val p{ font-size:.9rem; color:var(--steel); margin-top:5px; }

/* ═══════════ BANDE CTA ═══════════ */
.cta-band{
  background:linear-gradient(120deg, var(--azzurro) 0%, #1d5fc0 100%);
  color:#fff; border-radius:26px;
  padding:64px 60px;
  display:flex; align-items:center; justify-content:space-between; gap:36px;
  position:relative; overflow:hidden;
}
.cta-band::after{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size:70px 70px;
  pointer-events:none;
}
.cta-band h2{ font-family:var(--display); font-weight:700; font-size:clamp(1.7rem,3vw,2.5rem); letter-spacing:-.02em; max-width:20ch; position:relative; z-index:1; }
.cta-band .btn{ background:#fff; color:var(--ink); position:relative; z-index:1; flex:none; }
.cta-band .btn:hover{ background:var(--porcelain); }

/* ═══════════ PAGE CONTACT ═══════════ */
.contact-hero{
  background:var(--ink); color:#fff;
  padding:190px 0 90px;
  position:relative; overflow:hidden;
}
.contact-hero::after{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-d) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-d) 1px, transparent 1px);
  background-size:90px 90px;
  mask-image:radial-gradient(90% 100% at 70% 0%, #000, transparent 75%);
  pointer-events:none;
}
.contact-hero .wrap{ position:relative; z-index:1; }
.contact-hero h1{
  font-family:var(--display); font-weight:700;
  font-size:clamp(2.4rem,5.5vw,4.2rem);
  letter-spacing:-.03em; line-height:1.02; margin:20px 0 16px; max-width:18ch;
}
.contact-hero p{ color:var(--mist); font-size:1.15rem; max-width:52ch; }

.contact-body{ padding:90px 0 110px; }
.contact-grid{ display:grid; grid-template-columns:1fr 1.35fr; gap:64px; align-items:start; }

.coords .item{
  display:flex; gap:18px; align-items:flex-start;
  padding:22px 0; border-bottom:1px solid var(--line-l);
}
.coords .item:first-child{ padding-top:0; }
.coords .ico{
  width:46px; height:46px; border-radius:13px; flex:none;
  background:rgba(46,123,228,.1); color:var(--azzurro);
  display:grid; place-items:center;
}
.coords .ico svg{ width:22px; height:22px; }
.coords .t{ font-family:var(--display); font-weight:600; font-size:.85rem; letter-spacing:.14em; text-transform:uppercase; color:var(--steel); }
.coords .v{ font-weight:700; font-size:1.08rem; margin-top:2px; }
.coords .v a:hover{ color:var(--azzurro); }

.form-card{
  background:var(--white); border-radius:22px;
  border:1px solid var(--line-l);
  box-shadow:0 30px 80px rgba(13,17,23,.08);
  padding:44px;
}
.form-card h3{ font-family:var(--display); font-weight:700; font-size:1.5rem; letter-spacing:-.01em; margin-bottom:6px; }
.form-card .sub{ color:var(--steel); font-size:.98rem; margin-bottom:28px; }
form{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.full{ grid-column:1/-1; }
label{
  font-family:var(--display); font-size:12px; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase; color:var(--steel);
  display:block; margin-bottom:8px;
}
input, select, textarea{
  width:100%; font-family:var(--body); font-size:15px; font-weight:500;
  color:var(--ink); background:var(--porcelain);
  border:1.5px solid transparent; border-radius:12px;
  padding:14px 16px;
  transition:border-color .2s, background .2s;
}
input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--azzurro); background:#fff; }
textarea{ resize:vertical; min-height:130px; }
select{ appearance:none; cursor:pointer; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6470' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 16px center; }
form .btn{ width:100%; justify-content:center; }
.form-note{ font-size:12.5px; color:var(--steel); text-align:center; }
.sent{
  display:none; text-align:center; padding:50px 20px;
}
.sent.show{ display:block; }
.sent .check{
  width:74px; height:74px; margin:0 auto 22px; border-radius:50%;
  background:rgba(46,123,228,.12); color:var(--azzurro);
  display:grid; place-items:center;
}
.sent h3{ margin-bottom:8px; }
.sent p{ color:var(--steel); }

/* ═══════════ FOOTER ═══════════ */
footer{ background:var(--ink); color:var(--mist); padding:70px 0 34px; }
.foot{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:48px; margin-bottom:52px; }
footer .brand{ color:#fff; margin-bottom:16px; }
footer .baseline{ max-width:36ch; font-size:.97rem; }
.foot h5{ font-family:var(--display); font-size:12px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:#fff; margin-bottom:16px; }
.foot a, .foot p{ display:block; font-size:.97rem; margin-bottom:9px; color:var(--mist); }
.foot a:hover{ color:#fff; }
.legal{
  border-top:1px solid var(--line-d); padding-top:26px;
  display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap;
  font-size:13px;
}

/* ═══════════ REVEAL ═══════════ */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s; } .reveal.d2{ transition-delay:.16s; } .reveal.d3{ transition-delay:.24s; }

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width:920px){
  .nav-links{
    position:fixed; inset:0; z-index:105;
    background:var(--ink); color:#fff;
    flex-direction:column; justify-content:center; gap:30px;
    transform:translateX(100%); transition:transform .35s cubic-bezier(.7,0,.3,1);
  }
  .nav-links.open{ transform:none; }
  .nav-links a{ color:#fff !important; font-size:1.5rem; font-family:var(--display); }
  .nav-links a.active::after{ bottom:-4px; }
  .burger{ display:block; }
  .nav.menu-open .burger span{ background:#fff; }
  .services-grid{ grid-template-columns:1fr 1fr; }
  .work-grid{ grid-template-columns:1fr; }
  .story .grid{ grid-template-columns:1fr; gap:44px; }
  .contact-grid{ grid-template-columns:1fr; gap:48px; }
  .cta-band{ flex-direction:column; text-align:center; padding:52px 32px; }
}
@media (max-width:560px){
  section{ padding:76px 0; }
  .services-grid{ grid-template-columns:1fr; }
  form{ grid-template-columns:1fr; }
  .form-card{ padding:30px 22px; }
  .hero .stats{ gap:28px; }
  .foot{ grid-template-columns:1fr; gap:32px; }
  .vals{ grid-template-columns:1fr; }
  .scroll-hint{ display:none; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}