/* Cannes Immobilier — design "luxe sobre" bleu nuit / doré */
:root{
  --navy:#0c1a2c;
  --navy-2:#12253d;
  --navy-3:#1b3350;
  --gold:#c3a15c;
  --gold-dark:#a8853f;
  --gold-light:#e6d3a8;
  --ivory:#f7f4ee;
  --white:#ffffff;
  --text:#2b3444;
  --muted:#68707f;
  --line:#e5e0d5;
  --radius:10px;
  --shadow:0 10px 30px rgba(12,26,44,.10);
  --font-serif:"Cormorant Garamond",Georgia,serif;
  --font-sans:"Jost","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--text);background:var(--ivory);line-height:1.7;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--gold-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--navy)}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--navy);font-weight:600;line-height:1.25}
h1{font-size:clamp(2rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:.6em}
h3{font-size:1.35rem;margin-bottom:.4em}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}

/* ---------- Header ---------- */
.topbar{background:var(--navy);color:#cfd8e3;font-size:.85rem;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{color:var(--gold-light)}
header.site{background:var(--navy-2);position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.25)}
header.site .container{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.logo{display:flex;flex-direction:column;line-height:1.1}
.logo .brand{font-family:var(--font-serif);font-size:1.55rem;letter-spacing:.12em;color:var(--white);text-transform:uppercase}
.logo .brand em{color:var(--gold);font-style:normal}
.logo .tag{font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-light)}
nav.main{display:flex;align-items:center;gap:26px}
nav.main a{color:#dce4ee;font-size:.92rem;letter-spacing:.05em;text-transform:uppercase;padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a.active{color:var(--gold);border-bottom-color:var(--gold)}
nav.main a.lang{border:1px solid var(--gold);border-radius:4px;padding:4px 10px;color:var(--gold)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:2px;background:var(--gold);margin:6px 0;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-3) 100%);color:var(--white);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:url('../img/port.jpg') center/cover no-repeat;opacity:.28}
.hero .container{position:relative;z-index:2;padding-top:110px;padding-bottom:110px;max-width:900px;text-align:center}
.hero .kicker,.kicker{display:inline-block;font-size:.8rem;letter-spacing:.35em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.hero h1{color:var(--white)}
.hero h1 em{color:var(--gold);font-style:normal}
.hero p.lead{margin:22px auto 36px;max-width:640px;color:#dbe3ee;font-size:1.12rem}
.hero.inner .container{padding-top:70px;padding-bottom:70px}
.hero.inner::after{opacity:.16}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:15px 34px;border-radius:4px;font-size:.9rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;cursor:pointer;border:1px solid transparent;transition:.25s}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-dark);color:var(--white)}
.btn-outline{border-color:var(--gold);color:var(--gold);background:transparent}
.btn-outline:hover{background:var(--gold);color:var(--navy)}
.btn-navy{background:var(--navy);color:var(--white)}
.btn-navy:hover{background:var(--navy-3);color:var(--gold-light)}
.btn-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Sections ---------- */
section{padding:76px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head .rule{width:64px;height:2px;background:var(--gold);margin:18px auto 0}
.bg-white{background:var(--white)}
.bg-navy{background:var(--navy);color:#d7dfe9}
.bg-navy h2,.bg-navy h3{color:var(--white)}
.bg-navy .section-head p{color:#b9c5d4}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;box-shadow:var(--shadow)}
.card .num{font-family:var(--font-serif);font-size:2.4rem;color:var(--gold);line-height:1}
.card h3{margin-top:12px}
.card p{color:var(--muted);font-size:.97rem}
.card-link{display:inline-block;margin-top:14px;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}
.card-link::after{content:" →"}

.icon-dot{width:52px;height:52px;border-radius:50%;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:1.4rem;margin-bottom:18px;font-family:var(--font-serif)}

/* trust strip */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.trust .n{font-family:var(--font-serif);font-size:2.6rem;color:var(--gold)}
.trust .l{font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:#b9c5d4}

/* photo band */
.photo-band{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.photo-band div{aspect-ratio:4/3;background:var(--navy-2) center/cover no-repeat}

/* steps */
.steps{counter-reset:step}
.step{display:flex;gap:22px;margin-bottom:30px;align-items:flex-start}
.step .s-num{flex:0 0 54px;height:54px;border-radius:50%;background:var(--navy);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:1.5rem}
.step p{color:var(--muted);font-size:.98rem}

/* quote / reassurance */
.quote{border-left:3px solid var(--gold);padding:8px 0 8px 26px;font-family:var(--font-serif);font-size:1.35rem;color:var(--navy);font-style:italic}

/* ---------- Forms ---------- */
form.estimate{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:42px;box-shadow:var(--shadow)}
fieldset{border:0;margin-bottom:34px}
legend{font-family:var(--font-serif);font-size:1.35rem;color:var(--navy);margin-bottom:16px;border-bottom:1px solid var(--line);width:100%;padding-bottom:10px}
.f-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:18px}
.f-row.thirds{grid-template-columns:repeat(3,1fr)}
.f-field{display:flex;flex-direction:column;gap:6px}
.f-field.full{grid-column:1/-1}
label{font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);font-weight:500}
label .req{color:var(--gold-dark)}
input,select,textarea{font-family:var(--font-sans);font-size:1rem;padding:13px 14px;border:1px solid #d7d2c6;border-radius:6px;background:#fcfbf8;color:var(--text);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);border-color:var(--gold)}
textarea{min-height:120px;resize:vertical}
.radio-row{display:flex;gap:18px;flex-wrap:wrap}
.radio-row label{display:flex;align-items:center;gap:8px;text-transform:none;font-weight:400;font-size:.95rem;letter-spacing:0}
.radio-row input{width:auto}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted);margin:8px 0 22px}
.consent input{width:auto;margin-top:4px}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-note{font-size:.85rem;color:var(--muted);margin-top:14px}

/* ---------- Simulator ---------- */
.sim-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.sim-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.sim-panel h3{border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:20px}
.sim-field{margin-bottom:20px}
.sim-field .sf-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.sim-field output{font-family:var(--font-serif);font-size:1.2rem;color:var(--navy);font-weight:600}
input[type=range]{-webkit-appearance:none;width:100%;height:5px;border-radius:3px;background:#ddd6c8;padding:0;border:0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--gold);cursor:pointer;border:3px solid var(--white);box-shadow:0 1px 5px rgba(0,0,0,.3)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--gold);cursor:pointer;border:3px solid var(--white)}
.sim-results{background:var(--navy);color:#d7dfe9;border-radius:var(--radius);padding:34px;position:sticky;top:100px}
.sim-results h3{color:var(--gold);border-bottom:1px solid var(--navy-3);padding-bottom:10px;margin-bottom:22px}
.res-main{text-align:center;padding:14px 0 22px}
.res-main .big{font-family:var(--font-serif);font-size:3rem;color:var(--white);line-height:1.1}
.res-main .big small{font-size:1.2rem;color:var(--gold-light)}
.res-main .cap{font-size:.85rem;letter-spacing:.15em;text-transform:uppercase;color:var(--gold)}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--navy-3);border-radius:8px;overflow:hidden;margin-bottom:18px}
.res-cell{background:var(--navy-2);padding:16px 14px}
.res-cell .v{font-family:var(--font-serif);font-size:1.35rem;color:var(--white)}
.res-cell .k{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#9fb0c4}
.res-warn{font-size:.85rem;background:rgba(195,161,92,.12);border:1px solid var(--gold-dark);color:var(--gold-light);border-radius:8px;padding:12px 16px;margin-bottom:14px;display:none}
.res-note{font-size:.78rem;color:#8fa0b5}
.tabs{display:flex;gap:8px;margin-bottom:26px;flex-wrap:wrap}
.tabs button{flex:1;min-width:150px;padding:13px 10px;background:var(--white);border:1px solid var(--line);border-radius:6px;font-family:var(--font-sans);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;color:var(--muted)}
.tabs button.on{background:var(--navy);color:var(--gold);border-color:var(--navy)}
table.amort{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:10px}
table.amort th{background:var(--navy);color:var(--gold-light);padding:10px;text-align:right;font-weight:500;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
table.amort th:first-child{text-align:left}
table.amort td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:right}
table.amort td:first-child{text-align:left;font-weight:500;color:var(--navy)}
table.amort tr:nth-child(even) td{background:#faf8f3}

/* ---------- Guides ---------- */
.crumbs{font-size:.82rem;color:var(--muted);padding:18px 0 0;letter-spacing:.03em}
.crumbs a{color:var(--gold-dark)}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
article.guide{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow)}
article.guide h1{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px}
article.guide .g-meta{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-dark);margin-bottom:22px}
article.guide h2{margin-top:38px;font-size:1.55rem}
article.guide p{margin-bottom:16px}
article.guide ul,article.guide ol{margin:0 0 16px 22px}
article.guide li{margin-bottom:8px}
article.guide table{width:100%;border-collapse:collapse;margin:14px 0 22px;font-size:.93rem}
article.guide th{background:var(--navy);color:var(--gold-light);padding:10px 12px;text-align:left;font-weight:500}
article.guide td{padding:9px 12px;border-bottom:1px solid var(--line)}
.g-intro{font-size:1.1rem;color:var(--navy);font-family:var(--font-serif);font-style:italic;border-left:3px solid var(--gold);padding-left:20px;margin-bottom:26px}
.faq{margin-top:38px}
.faq details{border:1px solid var(--line);border-radius:8px;margin-bottom:10px;background:#fcfbf8}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:500;color:var(--navy);list-style:none;position:relative;padding-right:40px}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;color:var(--gold);font-size:1.3rem;font-family:var(--font-serif)}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 18px 16px;color:var(--muted);font-size:.96rem}
aside.g-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px}
.side-cta{background:var(--navy);color:#d7dfe9;border-radius:var(--radius);padding:30px;text-align:center}
.side-cta h3{color:var(--white);margin-bottom:8px}
.side-cta p{font-size:.9rem;color:#b9c5d4;margin-bottom:18px}
.side-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.side-box h3{font-size:1.1rem;border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:12px}
.side-box ul{list-style:none}
.side-box li{margin-bottom:9px;font-size:.92rem}
.side-box li a{color:var(--text)}
.side-box li a:hover{color:var(--gold-dark)}
.side-box li::before{content:"›";color:var(--gold);margin-right:8px;font-weight:600}

/* guides hub */
.hub-cat{margin-bottom:52px}
.hub-cat h2{display:flex;align-items:center;gap:14px}
.hub-cat h2::after{content:"";flex:1;height:1px;background:var(--line)}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.hub-grid a{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:18px 20px;color:var(--navy);font-weight:500;font-size:.95rem;transition:.2s;display:block}
.hub-grid a:hover{border-color:var(--gold);box-shadow:var(--shadow);transform:translateY(-2px)}
.hub-grid a span{display:block;font-weight:400;font-size:.82rem;color:var(--muted);margin-top:4px}

/* cta band */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--navy-3));text-align:center;color:var(--white)}
.cta-band h2{color:var(--white)}
.cta-band p{max-width:620px;margin:0 auto 30px;color:#c6d1de}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:36px;align-items:start}
.c-info{background:var(--navy);color:#d7dfe9;border-radius:var(--radius);padding:38px}
.c-info h3{color:var(--gold);margin-bottom:20px}
.c-info p{margin-bottom:16px}
.c-info a{color:var(--gold-light)}
.c-info .big-tel{font-family:var(--font-serif);font-size:1.7rem;color:var(--white);display:block;margin:4px 0 18px}

/* alert / success */
.notice{max-width:760px;margin:0 auto;background:var(--white);border:1px solid var(--gold);border-radius:var(--radius);padding:48px;text-align:center;box-shadow:var(--shadow)}
.notice .check{width:70px;height:70px;border-radius:50%;background:var(--gold);color:var(--navy);font-size:2rem;display:flex;align-items:center;justify-content:center;margin:0 auto 22px}

/* ---------- Footer ---------- */
footer.site{background:var(--navy);color:#9fb0c4;padding:64px 0 0;font-size:.92rem}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
footer.site h4{color:var(--gold);font-family:var(--font-sans);font-size:.85rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:18px}
footer.site ul{list-style:none}
footer.site li{margin-bottom:9px}
footer.site a{color:#c3cedd}
footer.site a:hover{color:var(--gold)}
.f-brand{font-family:var(--font-serif);font-size:1.5rem;color:var(--white);letter-spacing:.1em;text-transform:uppercase}
.f-brand em{color:var(--gold);font-style:normal}
.f-bottom{border-top:1px solid var(--navy-3);padding:20px 0;font-size:.8rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid-3,.grid-4,.hub-grid{grid-template-columns:repeat(2,1fr)}
  .guide-layout{grid-template-columns:1fr}
  aside.g-side{position:static}
  .sim-wrap{grid-template-columns:1fr}
  .sim-results{position:static}
  .contact-grid{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr}
  .trust{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .photo-band{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  nav.main{position:fixed;inset:76px 0 auto 0;background:var(--navy-2);flex-direction:column;padding:26px;gap:18px;transform:translateY(-130%);transition:.35s;box-shadow:0 14px 24px rgba(0,0,0,.35);align-items:flex-start;z-index:49}
  nav.main.open{transform:translateY(0)}
  .burger{display:block}
  .grid-2,.grid-3,.grid-4,.f-row,.f-row.thirds,.hub-grid{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr}
  article.guide{padding:28px 22px}
  form.estimate{padding:26px 20px}
  section{padding:54px 0}
  .hero .container{padding-top:70px;padding-bottom:70px}
}