/* ===================================
   VITRERIE CRISTAL — Vitrerie & miroiterie · Lyon
   Clair · lumineux · glassy
   =================================== */
:root{
  --blanc:#FFFFFF;
  --brume:#F2F6FA;
  --brume-2:#E6EEF4;
  --verre:#3E9AD0;
  --verre-d:#2E7DA8;
  --encre:#14202B;
  --acier:#5B6B78;
  --ligne:#DCE6EE;
  --display:"Outfit",system-ui,sans-serif;
  --body:"Manrope",system-ui,sans-serif;
  --pad:clamp(20px,5vw,80px);
  --r:16px;
  --r-lg:20px;
  --shadow:0 10px 40px rgba(20,32,43,.08);
  --shadow-sm:0 4px 18px rgba(20,32,43,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--brume);color:var(--encre);font-family:var(--body);font-size:16px;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--display);color:var(--encre);line-height:1.08;letter-spacing:-0.02em}
h1{font-size:clamp(38px,6vw,68px);font-weight:700}
h2{font-size:clamp(30px,4.4vw,52px);font-weight:700}
h3{font-size:clamp(19px,2vw,23px);font-weight:600}
h4{font-size:18px;font-weight:600}
p{color:var(--acier)}
.accent{color:var(--verre)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--verre-d);font-family:var(--display);font-weight:600;font-size:13px;letter-spacing:0.14em;text-transform:uppercase;margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--verre);border-radius:2px}

/* ========== TOP BAR ========== */
.top-bar{background:var(--encre);color:#cdd9e2;padding:9px var(--pad);display:flex;justify-content:space-between;align-items:center;gap:18px;font-size:13.5px;flex-wrap:wrap}
.top-items{display:flex;gap:22px;flex-wrap:wrap}
.top-items .ti{display:inline-flex;align-items:center;gap:7px}
.top-items svg{color:var(--verre)}
.top-phone{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:600;font-family:var(--display)}
.top-phone:hover{color:var(--verre)}

/* ========== HEADER ========== */
.site-header{background:rgba(255,255,255,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--ligne);padding:14px var(--pad);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px;position:sticky;top:0;z-index:50}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:flex}
.brand-text{font-family:var(--display);font-weight:700;font-size:20px;color:var(--encre);line-height:1;letter-spacing:-0.01em}
.brand-text small{display:block;font-family:var(--body);font-weight:500;font-size:11px;color:var(--acier);margin-top:4px;letter-spacing:0.08em;text-transform:uppercase}

.main-nav{display:flex;justify-content:center;gap:30px}
.main-nav a{font-family:var(--display);font-weight:500;font-size:15.5px;color:var(--encre);padding:6px 2px;position:relative;transition:color .2s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--verre);border-radius:2px;transition:width .25s ease}
.main-nav a:hover,.main-nav a.active{color:var(--verre-d)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}

.btn-quote{background:var(--verre);color:#fff;padding:11px 18px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 18px rgba(62,154,208,.32);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-quote:hover{background:var(--verre-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(62,154,208,.4)}

.burger{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}
.burger span{width:24px;height:2px;background:var(--encre);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:900px){
  .site-header{grid-template-columns:auto auto}
  .btn-quote{display:none}
  .burger{display:flex}
  .main-nav{position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);background:rgba(255,255,255,.97);backdrop-filter:blur(16px);flex-direction:column;justify-content:center;gap:8px;transform:translateX(100%);transition:transform .3s ease;box-shadow:-20px 0 50px rgba(20,32,43,.12);z-index:60}
  .main-nav.open{transform:translateX(0)}
  .main-nav a{font-size:20px;padding:12px 32px}
  .burger{position:relative;z-index:61}
}

/* ========== HERO ========== */
.hero{position:relative;min-height:clamp(560px,82vh,760px);display:flex;align-items:center;padding:80px var(--pad);overflow:hidden;background:var(--brume-2)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.78) 42%,rgba(242,246,250,.45) 70%,rgba(230,238,244,.25) 100%)}
.hero-inner{position:relative;z-index:2;max-width:640px}
.hero h1{margin:6px 0 22px}
.hero .lede{font-size:clamp(16px,1.7vw,19px);color:#3a4a57;max-width:54ch;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}

.btn-primary{background:var(--verre);color:#fff;padding:15px 28px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:16px;display:inline-flex;align-items:center;gap:9px;border:none;cursor:pointer;box-shadow:0 10px 26px rgba(62,154,208,.34);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary:hover{background:var(--verre-d);transform:translateY(-2px);box-shadow:0 14px 32px rgba(62,154,208,.42)}
.btn-primary.full{width:100%;justify-content:center;margin-top:6px}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--encre);padding:15px 26px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:16px;display:inline-flex;align-items:center;gap:9px;border:1px solid var(--ligne);transition:background .2s ease,border-color .2s ease,transform .2s ease}
.btn-ghost:hover{background:#fff;border-color:var(--verre);color:var(--verre-d);transform:translateY(-2px)}

.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-badge,.badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.72);backdrop-filter:blur(8px);border:1px solid var(--ligne);color:var(--encre);font-family:var(--display);font-weight:500;font-size:13.5px;padding:8px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}
.badge svg{color:var(--verre)}

/* ========== TRUST ========== */
.trust{background:#fff;border-bottom:1px solid var(--ligne);padding:30px var(--pad);display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.trust .item strong{display:block;font-family:var(--display);font-weight:700;font-size:clamp(26px,3vw,34px);color:var(--verre-d);line-height:1}
.trust .item small{display:block;color:var(--acier);font-size:13.5px;margin-top:6px}
@media(max-width:640px){.trust{grid-template-columns:1fr 1fr;gap:18px}}

/* ========== SECTION SHELL ========== */
section{padding:clamp(60px,8vw,110px) var(--pad)}
.section-head{max-width:620px;margin:0 auto clamp(40px,5vw,60px);text-align:center}
.section-head h2{margin-bottom:14px}
.section-head .desc{font-size:17px;color:var(--acier)}

/* ========== SERVICES ========== */
.services{background:var(--brume)}
.serv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.serv{background:#fff;border:1px solid var(--ligne);border-radius:var(--r-lg);padding:28px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.serv:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(62,154,208,.4)}
.serv-ic{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;background:linear-gradient(150deg,var(--brume-2),#fff);color:var(--verre-d);margin-bottom:18px;box-shadow:inset 0 0 0 1px var(--ligne)}
.serv h3{margin-bottom:9px}
.serv p{font-size:14.5px}
@media(max-width:1040px){.serv-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.serv-grid{grid-template-columns:1fr}}

/* ========== GALLERY ========== */
.gallery{background:#fff}
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:18px}
.gal-tile{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.gal-tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gal-tile:hover img{transform:scale(1.06)}
.gal-tile.big{grid-column:span 2;grid-row:span 2}
.gal-tile.wide{grid-column:span 2}
.gal-tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px;font-family:var(--display);font-weight:600;font-size:14.5px;color:#fff;background:linear-gradient(to top,rgba(20,32,43,.78),transparent)}
@media(max-width:820px){.gal-grid{grid-template-columns:1fr 1fr;grid-auto-rows:170px}.gal-tile.big{grid-column:span 2;grid-row:span 1}.gal-tile.wide{grid-column:span 2}}
@media(max-width:520px){.gal-grid{grid-template-columns:1fr;grid-auto-rows:200px}.gal-tile.big,.gal-tile.wide{grid-column:span 1}}

/* ========== REASSURE ========== */
.reassure{background:var(--brume)}
.re-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1200px;margin:0 auto}
.re-item{background:#fff;border:1px solid var(--ligne);border-radius:var(--r-lg);padding:30px 26px;text-align:center}
.re-ic{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:50%;background:rgba(62,154,208,.1);color:var(--verre-d);margin-bottom:16px}
.re-item h4{margin-bottom:8px}
.re-item p{font-size:14.5px}
@media(max-width:920px){.re-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.re-grid{grid-template-columns:1fr}}

/* ========== PROCESS ========== */
.process{background:var(--encre);color:#fff;position:relative;overflow:hidden}
.process::before{content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;background:radial-gradient(circle,rgba(62,154,208,.22),transparent 70%);pointer-events:none}
.process h2,.process .section-head h2{color:#fff}
.process .eyebrow{color:#7fc1e6}
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1080px;margin:0 auto;position:relative;z-index:2}
.proc-step{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:34px 30px;backdrop-filter:blur(6px)}
.proc-num{font-family:var(--display);font-weight:700;font-size:42px;color:var(--verre);line-height:1;display:block;margin-bottom:14px}
.proc-step h4{color:#fff;margin-bottom:10px;font-size:20px}
.proc-step p{color:#aebfca;font-size:14.5px}
@media(max-width:780px){.proc-grid{grid-template-columns:1fr}}

/* ========== TARIFS ========== */
.tarifs{background:#fff}
.tar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1080px;margin:0 auto;align-items:start}
.tar-card{background:var(--brume);border:1px solid var(--ligne);border-radius:var(--r-lg);padding:32px 28px;position:relative;transition:transform .3s ease,box-shadow .3s ease}
.tar-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tar-card.featured{background:linear-gradient(165deg,#fff,var(--brume));border:1.5px solid var(--verre);box-shadow:0 16px 40px rgba(62,154,208,.16)}
.tar-tag{position:absolute;top:-13px;left:28px;background:var(--verre);color:#fff;font-family:var(--display);font-weight:600;font-size:12.5px;padding:5px 14px;border-radius:999px;box-shadow:0 6px 16px rgba(62,154,208,.34)}
.tar-card h3{margin-bottom:10px}
.tar-price{display:block;font-family:var(--display);font-weight:700;font-size:34px;color:var(--verre-d);line-height:1;margin-bottom:18px}
.tar-price small{font-family:var(--body);font-weight:500;font-size:14px;color:var(--acier)}
.tar-card ul{list-style:none;display:grid;gap:10px}
.tar-card li{position:relative;padding-left:26px;font-size:14.5px;color:var(--encre)}
.tar-card li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:rgba(62,154,208,.14);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%232E7DA8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
@media(max-width:880px){.tar-grid{grid-template-columns:1fr;max-width:480px}}

/* ========== ZONES ========== */
.zones{background:var(--brume)}
.zones-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center;max-width:1120px;margin:0 auto;background:#fff;border:1px solid var(--ligne);border-radius:var(--r-lg);padding:clamp(32px,5vw,54px)}
.zones-txt h2{margin:6px 0 14px}
.zones-tags{display:flex;flex-wrap:wrap;gap:10px}
.zones-tags span{background:var(--brume);border:1px solid var(--ligne);color:var(--encre);font-family:var(--display);font-weight:500;font-size:14px;padding:9px 16px;border-radius:999px;transition:background .2s ease,color .2s ease,border-color .2s ease}
.zones-tags span:hover{background:var(--verre);color:#fff;border-color:var(--verre)}
@media(max-width:780px){.zones-inner{grid-template-columns:1fr;gap:28px}}

/* ========== AVIS ========== */
.avis{background:#fff}
.avis-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.avis-card{background:var(--brume);border:1px solid var(--ligne);border-radius:var(--r-lg);padding:26px}
.avis-card .stars{color:#f5b417;font-size:16px;letter-spacing:2px;margin-bottom:12px}
.avis-card p{color:var(--encre);font-size:14.5px;margin-bottom:18px}
.avis-card cite{font-family:var(--display);font-weight:600;font-size:14.5px;color:var(--encre);font-style:normal}
.avis-card cite small{display:block;font-family:var(--body);font-weight:400;font-size:12.5px;color:var(--acier);margin-top:3px}
@media(max-width:960px){.avis-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.avis-grid{grid-template-columns:1fr}}

/* ========== FAQ ========== */
.faq{background:var(--brume)}
.faq-list{max-width:780px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--ligne);border-radius:var(--r);overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;font-family:var(--display);font-weight:600;font-size:16.5px;color:var(--encre);padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-ico{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--verre);border-radius:2px;transition:transform .25s ease}
.faq-ico::before{top:8px;left:0;width:18px;height:2px}
.faq-ico::after{top:0;left:8px;width:2px;height:18px}
.faq-item.open .faq-ico::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 20px;font-size:14.5px}
.faq-item.open .faq-a{max-height:260px}

/* ========== CONTACT ========== */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;max-width:1120px;margin:0 auto;align-items:start}
.contact-info h2{margin:6px 0 14px}
.contact-phone{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:26px;color:var(--verre-d);margin:22px 0;transition:color .2s ease}
.contact-phone:hover{color:var(--verre)}
.contact-meta{list-style:none;display:grid;gap:10px;margin-top:6px}
.contact-meta li{font-size:14.5px;color:var(--acier)}
.contact-meta strong{display:inline-block;min-width:84px;color:var(--encre);font-family:var(--display);font-weight:600}

.contact-form{background:var(--brume);border:1px solid var(--ligne);border-radius:var(--r-lg);padding:clamp(26px,3.5vw,38px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--display);font-weight:600;font-size:13px;color:var(--encre);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;background:#fff;border:1px solid var(--ligne);border-radius:12px;font-family:var(--body);font-size:15px;color:var(--encre);outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--verre);box-shadow:0 0 0 3px rgba(62,154,208,.15)}
.field textarea{min-height:118px;resize:vertical}
.form-msg{display:none;margin-top:14px;padding:13px 16px;background:rgba(62,154,208,.1);border:1px solid rgba(62,154,208,.3);border-radius:12px;color:var(--verre-d);font-size:14.5px;font-weight:500}
.form-msg.show{display:block}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr;gap:34px}}
@media(max-width:480px){.form-row{grid-template-columns:1fr}}

/* ========== FOOTER ========== */
.site-footer{background:var(--encre);color:#9fb1be;padding:clamp(50px,6vw,72px) var(--pad) 30px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-text{color:#fff;font-size:21px}
.footer-brand p{margin:16px 0 18px;max-width:38ch;font-size:14px;color:#9fb1be}
.footer-phone{display:inline-flex;align-items:center;gap:9px;color:#fff;font-family:var(--display);font-weight:700;font-size:19px}
.footer-phone:hover{color:var(--verre)}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:15px;letter-spacing:0.02em}
.footer-col a,.footer-col span{display:block;padding:5px 0;font-size:14px;color:#9fb1be}
.footer-col a:hover{color:var(--verre)}
.footer-bot{display:flex;justify-content:space-between;gap:14px;padding-top:24px;font-size:12.5px;color:#6f8290;flex-wrap:wrap}
@media(max-width:820px){.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:480px){.footer-top{grid-template-columns:1fr}.footer-bot{flex-direction:column;text-align:left}}

/* ========== REVEAL ========== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.hero-video{display:none}}