/* ===========================================================
   time-lapse-chantier.com — même code couleur que rtsp-live-webcam.com
   blanc, encre #141414, rouge #e11025, héros sombre avec vidéo
   =========================================================== */
:root{
  --ink:#141414; --ink-2:#2b2b2b; --mut:#6b6b6b; --line:#e6e6e6;
  --bg:#ffffff; --bg-2:#f6f6f6; --card:#ffffff;
  --brand:#e11025; --brand-d:#b00d1e; --brand-soft:rgba(225,16,37,.08);
  --hero-1:#1a1a1a; --hero-2:#000000; --hero-ink:#ffffff;
  --ok:#14853b;
  --radius:16px; --radius-s:10px; --shadow:0 10px 30px rgba(0,0,0,.10);
  --wrap:1140px; --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{--ink:#f2f2f2;--ink-2:#d7d7d7;--mut:#9a9a9a;--line:#262626;--bg:#0c0c0c;--bg-2:#131313;--card:#181818;
    --hero-1:#141414;--hero-2:#000000;--shadow:0 10px 30px rgba(0,0,0,.45);--brand-soft:rgba(225,16,37,.14);--ok:#3fbf6a;color-scheme:dark}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img,video,iframe{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3{line-height:1.2;margin:0 0 .6em;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.55rem,3vw,2.15rem);font-weight:800}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.ico{width:22px;height:22px;flex:0 0 auto}
.lead{font-size:1.12rem;color:var(--ink-2);max-width:62ch}
.mut{color:var(--mut)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- boutons (identiques au site d'hier) ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;border:1px solid transparent;border-radius:999px;padding:.6rem 1.1rem;font-weight:600;cursor:pointer;font-size:.98rem;transition:.15s;white-space:nowrap;font-family:inherit;line-height:1.3}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-inv{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost-inv:hover{border-color:#fff}
.btn-lg{padding:.85rem 1.5rem;font-size:1.05rem}
.btn-block{display:flex;width:100%}
.btn .ico{width:18px;height:18px}

/* ---------- en-tête ---------- */
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:1.08rem;letter-spacing:-.01em;white-space:nowrap}
.logo:hover{text-decoration:none}
.logo b{font-weight:800}
.logo-mark{width:32px;height:32px;color:var(--ink)}
.logo-inv,.logo-inv .logo-mark{color:#fff}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:var(--ink-2);font-weight:500;padding:.45rem .7rem;border-radius:999px;font-size:.96rem}
.nav a:hover{text-decoration:none;color:var(--brand)}
.nav a[aria-current="page"]{color:var(--brand)}
.nav .nav-cta{color:#fff;margin-left:8px;padding:.55rem 1.05rem}
.nav .nav-cta:hover{color:#fff}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
@media (max-width:900px){
  .burger{display:flex}
  .nav{position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 20px 20px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .nav.open{display:flex}
  .nav a{padding:.8rem .6rem;font-size:1.05rem}
  .nav .nav-cta{margin:8px 0 0}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
}
.crumbs{padding-top:18px;font-size:.88rem;color:var(--mut)}
.crumbs a{color:var(--mut)}
.crumbs span[aria-current]{color:var(--ink-2)}

/* ---------- héros (vidéo de chantier en fond) ---------- */
.hero{background:linear-gradient(160deg,var(--hero-1),var(--hero-2));color:var(--hero-ink);position:relative;overflow:hidden;padding:4rem 0 0}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;pointer-events:none}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(120deg,rgba(10,10,10,.92) 0%,rgba(10,10,10,.80) 45%,rgba(10,10,10,.55) 100%)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:2.5rem;align-items:center;position:relative;z-index:2;padding-bottom:2.5rem}
.hero h1{color:#fff}
.hero .lead{color:rgba(255,255,255,.82)}
.hero-pts{list-style:none;padding:0;margin:1.2rem 0 1.6rem;display:grid;gap:.45rem}
.hero-pts li{display:flex;gap:.6rem;align-items:flex-start;color:rgba(255,255,255,.9)}
.hero-pts .ico{color:var(--brand);width:20px;height:20px;margin-top:3px}
.hero-act{display:flex;gap:.7rem;flex-wrap:wrap}
.hero-price{margin-top:1.2rem;font-size:.95rem;color:rgba(255,255,255,.7)}
.hero-price b{color:#fff;font-size:1.25rem}
.hero-demo{border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 80px rgba(0,0,0,.5);background:#000}
.hero-demo iframe{width:100%;aspect-ratio:16/10;border:0}
.hero-demo figcaption{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;font-size:.86rem;color:rgba(255,255,255,.75);background:#0e0e0e;border-top:1px solid rgba(255,255,255,.08)}
.hero-demo figcaption a{color:#fff;font-weight:600}
.dot-live{display:inline-flex;align-items:center;gap:7px}
.dot-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 rgba(225,16,37,.6);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(225,16,37,0)}100%{box-shadow:0 0 0 0 rgba(225,16,37,0)}}
@media (max-width:900px){.hero{padding-top:2.6rem}.hero-in{grid-template-columns:1fr;gap:2rem}}

/* frise du chantier : avance avec la vidéo du héros */
.phases{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.1);background:rgba(0,0,0,.35)}
.phases ol{list-style:none;margin:0;padding:16px 0 18px;display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.phases li{font-size:.85rem;color:rgba(255,255,255,.55);padding-top:18px;position:relative;transition:color .4s}
.phases li::before{content:"";position:absolute;top:0;left:0;width:11px;height:11px;border-radius:50%;background:#2a2a2a;border:2px solid rgba(255,255,255,.35);transition:.4s}
.phases li.on{color:#fff}
.phases li.on::before{background:var(--brand);border-color:var(--brand)}
.phases .track{position:absolute;left:20px;right:20px;top:21px;height:2px;background:rgba(255,255,255,.12)}
.phases .track i{position:absolute;left:0;top:0;bottom:0;width:var(--p,0%);background:var(--brand);transition:width .25s linear}
.phases .lbl{position:absolute;right:0;top:-2px;font-size:.78rem;color:rgba(255,255,255,.5)}
@media (max-width:640px){.phases li,.phases li.on{font-size:.8rem;color:transparent;white-space:nowrap}.phases li.on.cur{color:#fff}}

/* ---------- sections ---------- */
.sec{padding:4.5rem 0}
.sec-alt{background:var(--bg-2)}
.sec-head{max-width:720px;margin-bottom:2.2rem}
.sec-head.center{margin-left:auto;margin-right:auto}
.kicker{display:inline-block;color:var(--brand);font-weight:700;font-size:.92rem;margin-bottom:.5rem}
@media (max-width:640px){.sec{padding:3.2rem 0}}

.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card p:last-child{margin-bottom:0}
.feat .fi{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.feat p{color:var(--ink-2);font-size:.97rem}
a.card{color:inherit;transition:.15s;display:block}
a.card:hover{text-decoration:none;border-color:var(--brand);transform:translateY(-2px)}
a.card .more{color:var(--brand);font-weight:600;font-size:.94rem;display:inline-flex;align-items:center;gap:6px}
a.card .more .ico{width:16px;height:16px}

/* étapes : c'est bien une séquence */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{position:relative;padding-top:52px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-weight:800}
.step::after{content:"";position:absolute;top:19px;left:48px;right:-8px;height:2px;background:var(--line)}
.step:last-child::after{display:none}
.step p{color:var(--ink-2);font-size:.96rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.step::after{display:none}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- tarifs ---------- */
.price-card{position:relative;display:flex;flex-direction:column}
.price-card.reco{border:2px solid var(--brand);box-shadow:var(--shadow)}
.price-card .badge{position:absolute;top:-12px;left:22px;background:var(--brand);color:#fff;font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:999px}
.price-card ul{list-style:none;padding:0;margin:.4rem 0 1.2rem;display:grid;gap:.4rem;flex:1}
.price-card li{display:flex;gap:.5rem;font-size:.95rem;color:var(--ink-2)}
.price-card li .ico{color:var(--ok);width:18px;height:18px;margin-top:3px}
.amount{font-size:2.3rem;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.amount small{font-size:.95rem;font-weight:500;color:var(--mut);margin-left:4px}
.price-sub{color:var(--mut);font-size:.92rem;margin-bottom:.8rem}

.forfait{display:grid;grid-template-columns:.85fr 1.15fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.forfait-l{padding:30px;background:var(--hero-1);color:#fff}
.forfait-l h3,.forfait-l .amount{color:#fff}
.forfait-l .amount small,.forfait-l .price-sub{color:rgba(255,255,255,.65)}
.forfait-l .req{margin-top:1.2rem;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.07);font-size:.92rem;color:rgba(255,255,255,.85)}
.forfait-r{padding:26px 30px}
.forfait-r ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.forfait-r li{display:flex;gap:12px}
.forfait-r li .ico{color:var(--brand);margin-top:2px}
.forfait-r li b{display:block}
.forfait-r li span{color:var(--ink-2);font-size:.94rem}
@media (max-width:860px){.forfait{grid-template-columns:1fr}}

.opt{display:flex;gap:16px;align-items:flex-start}
.opt .fi{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.opt .amount{font-size:1.5rem}
.tag{display:inline-block;font-size:.78rem;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--bg-2);color:var(--ink-2);border:1px solid var(--line);margin-bottom:.5rem}

/* ---------- simulateur ---------- */
.sim{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:start}
@media (max-width:900px){.sim{grid-template-columns:1fr}}
.sim fieldset{border:0;padding:0;margin:0 0 22px}
.sim legend{font-weight:700;margin-bottom:10px;font-size:1.02rem}
.choices{display:grid;gap:10px}
.choices.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.choices.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:640px){.choices.c2{grid-template-columns:1fr}}
.fam{display:flex;align-items:center;gap:10px;font-size:1.2rem;margin-bottom:.3rem}
.fam .ico{color:var(--brand)}
.fam-sub{margin-bottom:1.1rem;max-width:70ch}
@media (max-width:640px){.choices.c3{grid-template-columns:1fr}}
.choice{position:relative;display:block;cursor:pointer}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice span{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);transition:.15s;height:100%}
.choice b{display:block;font-size:.97rem}
.choice em{font-style:normal;font-size:.86rem;color:var(--mut)}
.choice:hover span{border-color:var(--mut)}
.choice input:checked + span{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand);background:var(--brand-soft)}
.choice input:focus-visible + span{outline:2px solid var(--brand);outline-offset:2px}
.range-row{display:flex;align-items:center;gap:14px}
.range-row input{flex:1;accent-color:var(--brand)}
.range-row output{font-weight:700;min-width:84px;text-align:right}
.total{position:sticky;top:86px;background:var(--hero-1);color:#fff;border-radius:var(--radius);padding:24px;border:1px solid rgba(255,255,255,.1)}
.total h3{color:#fff}
.total dl{margin:0 0 16px;display:grid;gap:10px}
.total dl div{display:flex;justify-content:space-between;gap:12px;font-size:.95rem;color:rgba(255,255,255,.8)}
.total dl dd{margin:0;color:#fff;font-weight:600;text-align:right}
.total .big{border-top:1px solid rgba(255,255,255,.15);padding-top:14px;margin-top:4px}
.total .big dd{font-size:1.5rem;font-weight:800}
.total .note{font-size:.82rem;color:rgba(255,255,255,.6);margin:12px 0 0}
.total .detail{font-size:.86rem;color:rgba(255,255,255,.7);margin:0 0 16px;padding:0;list-style:none;display:grid;gap:4px}

/* ---------- bandeau d'appel ---------- */
.band{background:linear-gradient(160deg,var(--hero-1),var(--hero-2));color:#fff}
.band-in{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:3rem 20px;flex-wrap:wrap}
.band h2{color:#fff;margin-bottom:.3em}
.band p{color:rgba(255,255,255,.75);margin:0;max-width:60ch}
.band-act{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-weight:600;font-size:1.04rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:24px;width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:28px}
.faq details p{color:var(--ink-2);padding-bottom:6px}

/* ---------- pages de contenu ---------- */
.page-head{padding-top:2.2rem;padding-bottom:1rem}
.page-head .lead{margin-top:.4rem}
.prose{max-width:760px}
.prose h2{margin-top:2rem;font-size:1.45rem}
.prose ul{padding-left:1.2rem}
.prose li{margin-bottom:.3rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.chips li{padding:6px 12px;border-radius:999px;background:var(--bg-2);border:1px solid var(--line);font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.chips .ico{width:15px;height:15px;color:var(--brand)}
.note-box{border-left:3px solid var(--brand);background:var(--bg-2);padding:16px 18px;border-radius:0 12px 12px 0}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr}}

/* réalisations */
.demo-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#000;box-shadow:var(--shadow)}
.demo-frame iframe{width:100%;aspect-ratio:16/9;border:0;min-height:320px}

/* ---------- formulaire ---------- */
.form{display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:640px){.form .row{grid-template-columns:1fr}}
.form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px}
.form label .opt-l{font-weight:400;color:var(--mut)}
.form input,.form select,.form textarea{width:100%;font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px 13px}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.9rem;color:var(--ink-2)}
.form .check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.f-err{display:block;color:var(--brand);font-size:.86rem;margin-top:5px}
.form [aria-invalid="true"]{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.contact-tel a{display:inline-flex;align-items:center;gap:8px;font-size:1.35rem;font-weight:700;color:var(--ink)}
.contact-tel .ico{color:var(--brand)}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.alert{padding:14px 16px;border-radius:12px;margin-bottom:18px}
.alert-ok{background:color-mix(in srgb,var(--ok) 12%,transparent);border:1px solid color-mix(in srgb,var(--ok) 40%,transparent)}
.alert-err{background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 40%,transparent)}
.recap{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:.92rem;white-space:pre-line}

/* ---------- pied de page ---------- */
.foot{background:#0a0a0a;color:rgba(255,255,255,.7);padding:3.5rem 0 1.5rem;font-size:.94rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot h3{color:#fff;font-size:.98rem;margin-bottom:.8rem}
.foot a{color:rgba(255,255,255,.7);display:block;padding:3px 0}
.foot a:hover{color:#fff}
.foot-brand .logo{display:inline-flex;margin-bottom:12px}
.foot-by{color:#fff;font-weight:600}
.foot-legal{display:flex;flex-wrap:wrap;gap:8px 22px;border-top:1px solid rgba(255,255,255,.1);margin-top:2.2rem;padding-top:1.2rem;font-size:.86rem}
.foot-legal a{display:inline;padding:0}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}