/* =====================================================================
   Twins Immobilier — Portail (home) design system
   SeLoger-style property portal, Twins brand, Abidjan-grounded.
   Self-contained: powers index.php (header, hero, sections, footer).
   ===================================================================== */

:root{
  --coral:#D85A30; --coral-600:#C24A24; --coral-050:#FBEDE6;
  --teal:#0E6E63;  --teal-bright:#1D9E75; --teal-050:#E7F1EF;
  --gold:#BA7517;
  --ink:#1B1A17; --ink-soft:#3C3A35; --muted:#6F6A61;
  --line:#ECE7DE; --line-soft:#F3EFE8;
  --paper:#FFFFFF; --sand:#F8F5F0; --sand-2:#F2EDE5;
  --ok:#1D9E75;

  --shadow-sm:0 1px 2px rgba(27,26,23,.05), 0 1px 3px rgba(27,26,23,.06);
  --shadow-md:0 6px 16px rgba(27,26,23,.07), 0 2px 6px rgba(27,26,23,.05);
  --shadow-lg:0 24px 48px -12px rgba(27,26,23,.18), 0 8px 20px -8px rgba(27,26,23,.12);
  --shadow-coral:0 16px 40px -12px rgba(216,90,48,.5);

  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-ui:'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.home{
  font-family:var(--font-ui);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.home a{color:inherit;text-decoration:none}
.home img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.home h1,.home h2,.home h3{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:-.02em;color:var(--ink)}
.eyebrow{font-family:var(--font-ui);font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--coral)}
.lede{color:var(--muted);font-size:18px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-weight:700;
  font-size:15px;padding:13px 22px;border-radius:var(--r-pill);border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s, color .18s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--shadow-coral)}
.btn-primary:hover{background:var(--coral-600);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--sand)}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{filter:brightness(.96);transform:translateY(-2px)}
.btn-lg{padding:16px 28px;font-size:16px}

/* =================== HEADER =================== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line-soft);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:-.01em}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--coral);display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-coral)}
.brand .mark svg{width:20px;height:20px}
.nav-links{display:flex;gap:4px;margin-left:8px}
.nav-links a{font-weight:600;font-size:15px;color:var(--ink-soft);padding:9px 14px;border-radius:var(--r-pill);transition:background .15s,color .15s}
.nav-links a:hover{background:var(--sand);color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}

/* =================== HERO =================== */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 500px at 88% -8%, rgba(29,158,117,.16), transparent 60%),
  radial-gradient(900px 520px at -6% 10%, rgba(216,90,48,.14), transparent 55%),
  linear-gradient(180deg,#FFFDFB 0%, var(--sand) 100%)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(27,26,23,.04) 1px, transparent 1px);background-size:22px 22px;mask:linear-gradient(180deg,#000,transparent 70%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding-block:64px 84px}
.hero-copy .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--coral-050);
  padding:7px 14px;border-radius:var(--r-pill);margin-bottom:20px}
.hero h1{font-size:clamp(40px,6vw,68px);margin-bottom:18px}
.hero h1 em{font-style:italic;color:var(--coral)}
.hero .lede{max-width:30rem;margin-bottom:24px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px}
.hero-trust .t{display:flex;flex-direction:column}
.hero-trust .t b{font-family:var(--font-display);font-size:26px;color:var(--ink);line-height:1}
.hero-trust .t span{font-size:12.5px;color:var(--muted);margin-top:4px;font-weight:600}
.hero-trust .t + .t{padding-left:22px;border-left:1px solid var(--line)}

/* search console — the signature element */
.console{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);padding:10px;position:relative}
.console::before{content:"";position:absolute;left:24px;right:24px;top:-1px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--coral),var(--gold))}
.tabs{position:relative;display:grid;grid-template-columns:repeat(3,1fr);background:var(--sand);
  border-radius:var(--r-lg);padding:5px;margin:6px 6px 4px}
.tabs .ind{position:absolute;top:5px;bottom:5px;width:calc((100% - 10px)/3);left:5px;background:var(--paper);
  border-radius:13px;box-shadow:var(--shadow-sm);transition:transform .28s var(--ease)}
.tabs button{position:relative;z-index:2;background:none;border:none;cursor:pointer;font-family:var(--font-ui);
  font-weight:700;font-size:15px;color:var(--muted);padding:11px 8px;border-radius:13px;transition:color .2s}
.tabs button.active{color:var(--coral)}
.console-body{padding:14px 6px 6px}
.field-row{display:grid;grid-template-columns:1.3fr 1fr auto;gap:10px;align-items:end}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;font-weight:700;letter-spacing:.02em;color:var(--ink-soft);padding-left:4px}
.field .control{display:flex;align-items:center;gap:8px;background:var(--sand);border:1.5px solid transparent;
  border-radius:var(--r-md);padding:0 14px;height:54px;transition:border-color .15s,background .15s}
.field .control:focus-within{border-color:var(--coral);background:#fff}
.field .control svg{width:18px;height:18px;color:var(--muted);flex-shrink:0}
.field input,.field select{border:none;background:none;outline:none;font-family:var(--font-ui);font-size:15px;
  font-weight:600;color:var(--ink);width:100%;height:100%;cursor:pointer}
.field input{cursor:text}
.console .go{height:54px;width:54px;border-radius:var(--r-md);display:grid;place-items:center;flex-shrink:0}
.console .go.wide{width:auto;padding-inline:22px}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:14px 8px 8px}
.chips span.lbl{font-size:12.5px;color:var(--muted);font-weight:600;align-self:center;margin-right:2px}
.chip{font-size:13px;font-weight:600;color:var(--ink-soft);background:var(--sand);border:1px solid var(--line);
  padding:6px 13px;border-radius:var(--r-pill);transition:all .15s}
.chip:hover{background:var(--coral-050);border-color:var(--coral);color:var(--coral-600)}

/* service shortcuts */
.shortcuts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:-32px;position:relative;z-index:3;padding-bottom:8px}
.shortcut{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--shadow-sm);transition:transform .18s var(--ease),box-shadow .18s,border-color .18s}
.shortcut:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--coral)}
.shortcut .ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:20px;flex-shrink:0;background:var(--coral-050)}
.shortcut .ico.t{background:var(--teal-050)}
.shortcut b{font-size:14.5px;font-weight:700;display:block}
.shortcut small{color:var(--muted);font-size:12.5px}

/* =================== SECTIONS =================== */
.section{padding-block:72px}
.section.sand{background:var(--sand)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-head h2{font-size:clamp(28px,3.6vw,40px)}
.sec-head p{color:var(--muted);margin-top:8px;max-width:46ch}
.sec-head .link{font-weight:700;color:var(--coral);white-space:nowrap}
.sec-head .link:hover{text-decoration:underline}

/* property cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s,border-color .2s;will-change:transform}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.pcard .media{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,var(--sand),var(--sand-2))}
.pcard .media .ph{width:100%;height:100%;display:grid;place-items:center;font-size:54px;opacity:.7}
.pcard .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.pcard:hover .media img{transform:scale(1.05)}
.pcard .badge{position:absolute;top:12px;left:12px;background:rgba(27,26,23,.82);color:#fff;font-size:12px;
  font-weight:700;padding:5px 11px;border-radius:var(--r-pill);backdrop-filter:blur(4px)}
.pcard .badge.sale{background:var(--coral)}
.pcard .badge.rent{background:var(--teal)}
.pcard .fav{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.9);
  display:grid;place-items:center;font-size:15px;box-shadow:var(--shadow-sm)}
.pcard .body{padding:16px 18px 18px}
.pcard .type{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--coral)}
.pcard h3{font-family:var(--font-ui);font-weight:700;font-size:17px;letter-spacing:-.01em;margin:5px 0 6px}
.pcard .price{font-family:var(--font-display);font-size:21px;color:var(--ink);font-weight:600}
.pcard .price small{font-family:var(--font-ui);font-size:13px;color:var(--muted);font-weight:600}
.pcard .meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--muted);font-weight:600}
.pcard .meta span{display:flex;align-items:center;gap:5px}

/* transaction tiles */
.txn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.txn{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;
  padding:24px;color:#fff;isolation:isolate}
.txn::after{content:"";position:absolute;inset:0;z-index:-1;transition:transform .5s var(--ease)}
.txn:hover::after{transform:scale(1.06)}
.txn.buy::after{background:linear-gradient(160deg,#E9763F,#C24A24)}
.txn.rent::after{background:linear-gradient(160deg,#19A382,#0E6E63)}
.txn.manage::after{background:linear-gradient(160deg,#C99220,#8A5710)}
.txn .ov{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.35))}
.txn h3{color:#fff;font-size:24px;margin-bottom:4px}
.txn p{font-size:13.5px;opacity:.92;font-weight:600}
.txn .arrow{position:absolute;top:22px;right:22px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.18);
  display:grid;place-items:center;font-size:18px;transition:transform .25s var(--ease),background .2s}
.txn:hover .arrow{transform:translate(3px,-3px);background:rgba(255,255,255,.28)}

/* services row */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;transition:transform .18s var(--ease),box-shadow .18s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.svc .ico{width:48px;height:48px;border-radius:13px;background:var(--coral-050);display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.svc:nth-child(2) .ico{background:var(--teal-050)}
.svc:nth-child(3) .ico{background:#F6EFDD}
.svc:nth-child(4) .ico{background:var(--coral-050)}
.svc h3{font-family:var(--font-ui);font-size:17px;font-weight:700;margin-bottom:6px}
.svc p{font-size:13.5px;color:var(--muted)}

/* why / trust split */
.why{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.why-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(150deg,var(--teal),#0a4f48);display:grid;place-items:center}
.why-visual .big{font-family:var(--font-display);color:rgba(255,255,255,.95);text-align:center;padding:24px}
.why-visual .big b{display:block;font-size:64px;line-height:1}
.why-visual .big span{font-size:15px;font-weight:600;opacity:.85;font-family:var(--font-ui)}
.why-list{display:flex;flex-direction:column;gap:18px;margin-top:24px}
.why-list .it{display:flex;gap:14px}
.why-list .it .n{width:34px;height:34px;border-radius:10px;background:var(--coral-050);color:var(--coral);
  display:grid;place-items:center;font-weight:800;flex-shrink:0;font-size:18px}
.why-list .it b{display:block;font-size:16px;margin-bottom:2px}
.why-list .it p{font-size:14px;color:var(--muted)}

/* guides / news */
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--paper);transition:transform .2s var(--ease),box-shadow .2s}
.guide:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.guide .top{aspect-ratio:16/9;background:linear-gradient(135deg,var(--coral),var(--gold));display:grid;place-items:center;font-size:42px}
.guide:nth-child(2) .top{background:linear-gradient(135deg,var(--teal-bright),var(--teal))}
.guide:nth-child(3) .top{background:linear-gradient(135deg,var(--gold),#8A5710)}
.guide .b{padding:18px}
.guide .cat{font-size:12px;font-weight:700;color:var(--coral);text-transform:uppercase;letter-spacing:.04em}
.guide h3{font-family:var(--font-ui);font-size:17px;font-weight:700;margin:6px 0}
.guide p{font-size:13.5px;color:var(--muted)}

/* CTA band */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:56px;color:#fff;
  background:linear-gradient(135deg,var(--coral) 0%, var(--coral-600) 55%, #9c3a1c 100%);box-shadow:var(--shadow-lg)}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);background-size:20px 20px;opacity:.5}
.cta-band .in{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,38px);max-width:18ch}
.cta-band p{opacity:.92;margin-top:8px;max-width:42ch}
.cta-band .btn-primary{background:#fff;color:var(--coral-600);box-shadow:none}
.cta-band .btn-primary:hover{background:#fff;filter:brightness(.97)}

/* =================== FOOTER =================== */
.site-footer{background:var(--ink);color:#cfc9bf;padding-block:60px 28px;margin-top:8px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer p.desc{font-size:14px;color:#a59f95;max-width:30ch}
.foot-col h4{color:#fff;font-family:var(--font-ui);font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:#bdb7ad;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#8f897f}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =================== RESPONSIVE =================== */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-block:44px 64px}
  .why{grid-template-columns:1fr;gap:32px}
  .shortcuts{grid-template-columns:repeat(2,1fr)}
  .cards,.txn-grid,.guides{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;
    padding:12px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .field-row{grid-template-columns:1fr}
  .console .go.wide{width:100%}
  .cards,.txn-grid,.guides,.svc-grid,.shortcuts,.foot-grid{grid-template-columns:1fr}
  .hero-trust .t + .t{padding-left:0;border-left:none}
  .cta-band{padding:32px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}