/* ==========================================================================
   SIMULATEUR PTZ 2025 — OFFICE PROMOTION HABITAT
   Charte graphique calquée sur https://www.officepromotionhabitat.fr/
   ========================================================================== */
:root {
    --navy:       #1B2A4A;
    --navy-deep:  #111D35;
    --navy-lt:    #2A3F66;
    --red:        #E30613;
    --red-hov:    #C70511;
    --red-lt:     #FF3340;
    --white:      #FFFFFF;
    --off-white:  #F7F8FA;
    --g100:       #ECEEF2;
    --g200:       #D5D9E2;
    --g300:       #A0A8B8;
    --g400:       #6B7586;
    --g500:       #4A5264;
    --txt:        #1A1A2E;
    --body:       #3A3E4C;
    --font:       'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px;
    --sh-md: 0 4px 12px rgba(27,42,74,.08),0 2px 4px rgba(27,42,74,.04);
    --sh-lg: 0 12px 32px rgba(27,42,74,.12),0 4px 8px rgba(27,42,74,.06);
    --sh-xl: 0 20px 48px rgba(27,42,74,.16),0 8px 16px rgba(27,42,74,.08);
    --ease: cubic-bezier(.25,.46,.45,.94);
    --dur: .3s;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);font-weight:400;color:var(--body);background:var(--off-white);line-height:1.6;min-height:100vh;overflow-x:hidden}

/* ---- HEADER ---- */
.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--g100);padding:.75rem 1.5rem;position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.header-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;text-decoration:none}
.logo-img{height:auto;display:block}
.nav-tag{font-size:.72rem;font-weight:600;color:var(--white);background:var(--navy);padding:.35em .9em;border-radius:var(--r-sm);letter-spacing:.03em;text-transform:uppercase}

/* ---- HERO ---- */
.hero{background:var(--white);padding:3rem 1.5rem 2rem;display:flex;align-items:center;justify-content:center;gap:3rem;max-width:1280px;margin:0 auto}
.hero-content{max-width:560px}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;color:var(--navy-deep);line-height:1.15;margin-bottom:.75rem}
.text-accent{color:var(--red);font-weight:800}
.hero-desc{font-size:1rem;color:var(--g500);line-height:1.7;max-width:480px}
.hero-visual{display:none;animation:float 3s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(min-width:900px){.hero-visual{display:block}}

/* dots */
.dot-sep{display:flex;gap:6px;margin:.75rem 0}
.dot-sep.sm{margin:.4rem 0 .75rem}
.d{width:8px;height:8px;border-radius:50%;background:var(--navy)}
.dot-sep.sm .d{width:6px;height:6px}
.dr{background:var(--red)!important}
.dw{background:rgba(255,255,255,.4)!important}

/* ---- SIMULATOR ---- */
.simulator{padding:1.5rem;max-width:1280px;margin:0 auto}
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}

/* ---- FORM PANEL ---- */
.form-panel{background:var(--navy);border-radius:var(--r-lg);padding:2rem;color:var(--white);box-shadow:var(--sh-xl);position:relative;overflow:hidden}
.form-panel::before{content:'';position:absolute;top:-40%;right:-20%;width:300px;height:300px;background:radial-gradient(circle,rgba(227,6,19,.06) 0%,transparent 70%);pointer-events:none}
.panel-hd h2{font-size:1.45rem;font-weight:700;color:var(--white)}
.panel-sub{font-size:.82rem;color:var(--g300);margin-top:2px}
.fg{border:none;margin-bottom:1.5rem;position:relative}
.fl{display:flex;align-items:center;gap:.5rem;font-size:.92rem;font-weight:600;color:var(--white);margin-bottom:.75rem;width:100%}
.sn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--red);color:var(--white);border-radius:50%;font-size:.78rem;font-weight:700;flex-shrink:0}

/* radio cards */
.radio-cards{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.rc{cursor:pointer;position:relative}
.rc input{position:absolute;opacity:0;width:0;height:0}
.rcc{display:flex;flex-direction:column;align-items:center;text-align:center;padding:1rem .75rem;border:2px solid rgba(255,255,255,.12);border-radius:var(--r-md);transition:all var(--dur) var(--ease);background:rgba(255,255,255,.03)}
.rc:hover .rcc{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.06)}
.rc input:checked+.rcc{border-color:var(--red);background:rgba(227,6,19,.08);box-shadow:0 0 0 1px var(--red)}
.rc input:focus-visible+.rcc{outline:2px solid var(--white);outline-offset:2px}
.rci{color:var(--g300);margin-bottom:.4rem;transition:color var(--dur)}
.rc input:checked+.rcc .rci{color:var(--red-lt)}
.rcl{font-size:.88rem;font-weight:600;color:var(--white)}
.rcs{font-size:.7rem;color:var(--g300);margin-top:2px}

/* location toggle */
.loc-toggle{display:flex;background:rgba(255,255,255,.06);border-radius:var(--r-sm);padding:3px;margin-bottom:.75rem}
.tbtn{flex:1;padding:.45em .8em;font-family:var(--font);font-size:.8rem;font-weight:500;color:var(--g300);background:transparent;border:none;border-radius:4px;cursor:pointer;transition:all var(--dur)}
.tbtn.active{background:rgba(255,255,255,.12);color:var(--white);font-weight:600}
.tbtn:hover:not(.active){color:var(--white)}
.hidden{display:none!important}

/* inputs */
.iw{position:relative}
.iw input,.sw select{width:100%;background:transparent;border:none;border-bottom:2px solid rgba(255,255,255,.2);padding:.75em 0;font-family:var(--font);font-size:1rem;font-weight:500;color:var(--white);outline:none;transition:border-color var(--dur)}
.iw input::placeholder{color:var(--g400);font-weight:300}
.iw input:focus,.sw select:focus{border-bottom-color:var(--red)}
.iw.cur{position:relative}
.csym{position:absolute;right:0;bottom:.75em;font-size:1rem;font-weight:600;color:var(--g300);pointer-events:none}
.istatus{position:absolute;right:0;bottom:.75em;font-size:.8rem;font-weight:500}
.istatus.ok{color:#4CAF50}.istatus.no{color:var(--red-lt)}
.sw{position:relative}
.sw select{appearance:none;cursor:pointer;padding-right:2em}
.sw::after{content:'';position:absolute;right:4px;bottom:1.1em;width:8px;height:8px;border-right:2px solid var(--g300);border-bottom:2px solid var(--g300);transform:rotate(45deg);pointer-events:none}
.sw select option{background:var(--navy);color:var(--white)}
.ihelp{font-size:.73rem;color:var(--g400);margin-top:.4rem;line-height:1.5}
.ihelp em{font-style:italic;color:var(--g300)}
.zone-result{font-size:.83rem;font-weight:600;margin-top:.4rem;min-height:1.3em}
.zone-result.ok{color:#6FCF97}
.zone-result.man{color:var(--g300)}
.iw input.err{border-bottom-color:var(--red-lt)}

/* stepper */
.stepper{display:flex;align-items:center;gap:1.25rem;justify-content:center}
.stbtn{width:44px;height:44px;border-radius:50%;border:2px solid rgba(255,255,255,.2);background:transparent;color:var(--white);font-size:1.3rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--dur);font-family:var(--font)}
.stbtn:hover{border-color:var(--red);background:rgba(227,6,19,.1);color:var(--red-lt)}
.stbtn:active{transform:scale(.92)}
.stdisp{text-align:center;min-width:80px}
.stval{display:block;font-size:2rem;font-weight:800;color:var(--white);line-height:1}
.stlbl{font-size:.73rem;color:var(--g300)}

/* actions */
.form-actions{margin-top:1.5rem}
.btn-primary{width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1em 2em;background:var(--red);color:var(--white);border:none;border-radius:var(--r-md);font-family:var(--font);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--dur);box-shadow:0 4px 16px rgba(227,6,19,.3);letter-spacing:.02em}
.btn-primary:hover{background:var(--red-hov);box-shadow:0 6px 24px rgba(227,6,19,.4);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}

/* ---- RESULTS PANEL ---- */
.results-panel{background:var(--white);border-radius:var(--r-lg);padding:2rem;box-shadow:var(--sh-lg);position:sticky;top:90px;min-height:400px;display:flex;flex-direction:column}
.res-ph{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 1.5rem}
.res-ph p{font-size:.92rem;color:var(--g300);max-width:260px;line-height:1.6;margin-top:1rem}
.res-h{font-size:1.2rem;font-weight:700;color:var(--navy)}
.badge{display:inline-flex;align-items:center;gap:.4rem;padding:.45em 1em;border-radius:var(--r-xl);font-size:.83rem;font-weight:600;margin:.75rem 0}
.badge.eligible{background:#E8F5E9;color:#2E7D32}
.bi{font-size:1rem}

/* PTZ amount */
.ptz-box{text-align:center;padding:1.25rem 1rem;background:linear-gradient(135deg,var(--navy),var(--navy-lt));border-radius:var(--r-md);margin-bottom:1.5rem}
.ptz-lbl{display:block;font-size:.78rem;font-weight:500;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.4rem}
.ptz-val{display:block;font-size:clamp(2rem,5vw,2.8rem);font-weight:800;color:var(--white);line-height:1}

/* details */
.res-details{display:flex;flex-direction:column;gap:1rem}
.ds{border-bottom:1px solid var(--g100);padding-bottom:1rem}
.ds:last-child{border-bottom:none}
.dt{font-size:.76rem;font-weight:600;color:var(--navy);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.4rem}
.dl{display:flex;flex-direction:column;gap:5px}
.dr{display:flex;justify-content:space-between;align-items:baseline;font-size:.86rem}
.dr dt{color:var(--g400);font-weight:400}
.dr dd{color:var(--txt);font-weight:600;text-align:right}
.dr.hl{padding-top:.5rem;border-top:1px dashed var(--g200)}
.dr.hl dt{color:var(--navy);font-weight:600}
.dr.hl dd{color:var(--red);font-weight:700;font-size:1.05rem}
.dr.hl2 dt{color:var(--navy);font-weight:500}
.dr.hl2 dd{color:var(--navy);font-weight:700;font-size:.95rem}

/* export & reset */
.export-actions{margin-top:1.5rem}
.btn-export{width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.8em 1.5em;background:var(--red);color:var(--white);border:none;border-radius:var(--r-md);font-family:var(--font);font-size:.88rem;font-weight:600;cursor:pointer;transition:all var(--dur);box-shadow:0 4px 16px rgba(227,6,19,.25)}
.btn-export:hover{background:var(--red-hov);box-shadow:0 6px 24px rgba(227,6,19,.35);transform:translateY(-1px)}
.btn-reset{width:100%;padding:.65em 1em;background:transparent;color:var(--g400);border:1px solid var(--g200);border-radius:var(--r-md);font-family:var(--font);font-size:.83rem;font-weight:500;cursor:pointer;margin-top:.75rem;transition:all var(--dur)}
.btn-reset:hover{color:var(--navy);border-color:var(--navy)}

/* ineligible */
.res-no{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 1.5rem}
.no-title{font-size:1.25rem;font-weight:700;color:var(--red);margin:.75rem 0 .5rem}
.no-reason{font-size:.9rem;color:var(--g500);line-height:1.6;max-width:320px;margin-bottom:1.5rem}

/* ---- FOOTER ---- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.5);padding:2rem 1.5rem;margin-top:3rem}
.footer-inner{max-width:1280px;margin:0 auto;text-align:center}
.legal{font-size:.7rem;line-height:1.7;max-width:720px;margin:0 auto .75rem}
.copy{font-size:.68rem;font-weight:500}

/* ---- PDF TEMPLATE ---- */
#pdfTpl{width:794px;font-family:'Poppins',Arial,Helvetica,sans-serif;background:#fff;color:#1A1A2E}
.pdf-pg{padding:32px 40px;width:794px;min-height:1100px;box-sizing:border-box;position:relative}
.pdf-hd{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:3px solid #1B2A4A;padding-bottom:12px;margin-bottom:16px}
.pdf-logo{height:48px;width:auto}
.pdf-date{font-size:9px;color:#6B7586;text-align:right}
.pdf-ttl{text-align:center;font-size:15px;font-weight:700;color:#1B2A4A;margin-bottom:16px;padding-bottom:8px}
.pdf-ttl span{display:block;font-size:9px;font-weight:400;color:#6B7586;margin-top:4px}
.pdf-dots{display:flex;gap:4px;justify-content:center;margin-bottom:14px}
.pdf-d{width:6px;height:6px;border-radius:50%;background:#1B2A4A}
.pdf-dr{background:#E30613}
.pdf-sec{margin-bottom:12px}
.pdf-st{font-size:9.5px;font-weight:700;color:#1B2A4A;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;padding-bottom:3px;border-bottom:1.5px solid #ECEEF2}
.pdf-r{display:flex;justify-content:space-between;padding:3px 0;font-size:9.5px;border-bottom:1px solid #f4f5f7}
.pdf-rl{color:#6B7586}
.pdf-rv{font-weight:600;color:#1A1A2E;text-align:right}
.pdf-hlbox{background:linear-gradient(135deg,#1B2A4A,#2A3F66);border-radius:10px;padding:18px;text-align:center;margin:14px 0}
.pdf-hll{font-size:8.5px;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
.pdf-hlv{font-size:28px;font-weight:800;color:#fff}
.pdf-hls{font-size:8.5px;color:rgba(255,255,255,.6);margin-top:4px}
.pdf-ft{position:absolute;bottom:28px;left:40px;right:40px;border-top:1px solid #D5D9E2;padding-top:8px}
.pdf-ft p{font-size:7px;color:#A0A8B8;line-height:1.6;margin-bottom:3px}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.res-ok.vis,.res-no.vis{animation:fadeUp .5s var(--ease) both}

/* ---- RESPONSIVE ---- */
@media(max-width:960px){
    .sim-grid{grid-template-columns:1fr}
    .results-panel{position:static}
    .hero{padding:2rem 1rem}
}
@media(max-width:640px){
    .site-header{padding:.5rem .75rem}
    .logo-img{width:120px}
    .nav-tag{font-size:.63rem;padding:.25em .6em}
    .hero{padding:1.5rem .75rem}
    .simulator{padding:.75rem}
    .form-panel,.results-panel{padding:1.25rem;border-radius:var(--r-md)}
    .radio-cards{grid-template-columns:1fr}
    .panel-hd h2{font-size:1.2rem}
    .ptz-val{font-size:2rem}
}
@media print{
    body{background:#fff}
    .site-header,.hero,.form-panel,.site-footer,.btn-export,.btn-reset,.export-actions{display:none}
    .results-panel{box-shadow:none;position:static}
}