/* ═══════════════════════════════════════════════════════════
   R.R Teen Set Solution — style.css v4.0
   Dark Mode + Mobile First + Chat UI + Performance Optimized
═══════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  --navy:#0a1628; --steel:#1a3a5c; --blue:#1565c0; --sky:#2196f3;
  --accent:#ff6f00; --green:#25D366; --light:#e8f4fd;
  --bg:#ffffff; --bg-alt:#f4f7fb; --bg-card:#ffffff;
  --text:#1a2a3a; --text-muted:#6b7f96; --border:#ddeaf8;
  --shadow:0 4px 20px rgba(0,0,0,.08); --shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --font-h:'Bebas Neue',sans-serif; --font-b:'Nunito',sans-serif;
  --radius:14px; --radius-sm:8px; --nav-h:66px; --t:.3s ease;
}
[data-theme="dark"] {
  --bg:#0d1117; --bg-alt:#161b22; --bg-card:#1c2333;
  --text:#e6edf3; --text-muted:#8b949e; --border:#30363d;
  --shadow:0 4px 20px rgba(0,0,0,.4); --shadow-lg:0 12px 40px rgba(0,0,0,.5);
  --light:rgba(33,150,243,.1);
}

/* ── RESET ──────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--font-b);color:var(--text);background:var(--bg);overflow-x:hidden;line-height:1.6;transition:background var(--t),color var(--t)}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color var(--t)}
h1,h2,h3,h4,h5{font-family:var(--font-h);line-height:1.05;letter-spacing:1px}
h1{font-size:clamp(38px,7vw,80px)}
h2{font-size:clamp(28px,4.5vw,52px)}
h3{font-size:clamp(18px,3vw,28px)}
p{line-height:1.75}

/* ── LAYOUT ─────────────────────────────────────────────── */
section{padding:80px 6%}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.flex-center{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
.flex-gap{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.section-center{text-align:center;margin-bottom:52px}
.section-title{color:var(--text);margin-bottom:12px}
.section-title span{color:var(--blue)}
.section-title-white{color:#fff;margin-bottom:12px}
.section-title-white span{color:#42a5f5}
.section-sub{font-size:16px;color:var(--text-muted);max-width:580px;line-height:1.8}
.section-sub-white{color:rgba(255,255,255,.65)}
.tag{display:inline-block;background:var(--light);color:var(--blue);padding:5px 16px;border-radius:50px;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;border:1px solid rgba(21,101,192,.2)}
.tag-dark{background:rgba(33,150,243,.12);color:#42a5f5;border-color:rgba(33,150,243,.25)}

/* ── NAV ─────────────────────────────────────────────────── */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);background:rgba(10,22,40,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:3px solid var(--accent);display:flex;align-items:center;justify-content:space-between;padding:0 5%;transition:box-shadow var(--t)}
nav.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.35)}
.logo{display:flex;align-items:center;gap:12px;cursor:pointer}
.logo-box{width:40px;height:40px;background:linear-gradient(135deg,var(--sky),var(--blue));border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-size:17px;color:#fff;flex-shrink:0}
.logo-name{font-family:var(--font-h);font-size:20px;color:#fff;letter-spacing:1.5px;line-height:1}
.logo-tag{font-size:9px;color:var(--accent);text-transform:uppercase;letter-spacing:2px;font-weight:700}
.nav-links{display:flex;gap:24px;list-style:none}
.nav-links a{color:rgba(255,255,255,.75);font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:4px 0;border-bottom:2px solid transparent;transition:all var(--t)}
.nav-links a:hover,.nav-links a.active{color:var(--accent);border-bottom-color:var(--accent)}
.has-dropdown{position:relative}
.dropdown{display:none;position:absolute;top:calc(100% + 10px);left:0;background:rgba(10,22,40,.98);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:10px 0;min-width:230px;z-index:100}
.has-dropdown:hover .dropdown{display:block}
.dropdown a{display:block;padding:10px 18px;color:rgba(255,255,255,.75);font-size:13px;font-weight:600;transition:all .2s;white-space:nowrap;border-bottom:none!important}
.dropdown a:hover{color:var(--accent);background:rgba(255,255,255,.05);padding-left:24px}
.nav-cta{background:var(--accent);color:#fff;padding:9px 20px;border-radius:6px;font-weight:700;font-size:12px;letter-spacing:.5px;text-transform:uppercase;transition:all var(--t);white-space:nowrap}
.nav-cta:hover{background:#e65100;transform:translateY(-1px)}
.theme-toggle{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);cursor:pointer;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:16px;transition:all var(--t);flex-shrink:0}
.theme-toggle:hover{background:rgba(255,255,255,.15);color:#fff}
.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:all var(--t)}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}
#mob-menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(10,22,40,.99);border-bottom:2px solid var(--accent);padding:16px 5%;z-index:999;flex-direction:column;gap:2px;max-height:calc(100vh - var(--nav-h));overflow-y:auto}
#mob-menu.open{display:flex}
#mob-menu a{display:block;padding:12px 0;color:rgba(255,255,255,.8);font-size:14px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.06);text-transform:uppercase;letter-spacing:.5px}
#mob-menu a:hover{color:var(--accent)}
.mob-cta-btn{background:var(--accent)!important;text-align:center;border-radius:8px;padding:13px!important;color:#fff!important;margin-top:8px!important;border-bottom:none!important}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;transition:all .25s;cursor:pointer;border:none;font-family:var(--font-b);white-space:nowrap}
.btn-blue{background:linear-gradient(135deg,var(--sky),var(--blue));color:#fff;box-shadow:0 6px 20px rgba(33,150,243,.3)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(33,150,243,.45);color:#fff}
.btn-orange{background:var(--accent);color:#fff;box-shadow:0 6px 20px rgba(255,111,0,.25)}
.btn-orange:hover{background:#e65100;transform:translateY(-1px);color:#fff}
.btn-green{background:#25D366;color:#fff;box-shadow:0 6px 20px rgba(37,211,102,.25)}
.btn-green:hover{background:#1da851;transform:translateY(-1px);color:#fff}
.btn-white{background:#fff;color:var(--accent)}
.btn-white:hover{transform:translateY(-1px);color:var(--accent)}
.btn-outline-white{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}
.btn-outline-white:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.btn-lg{padding:15px 34px;font-size:15px}
.btn-full{width:100%}

/* ── PAGE HERO ──────────────────────────────────────────── */
.page-hero{min-height:300px;background:linear-gradient(135deg,var(--navy),var(--steel));display:flex;align-items:center;padding:110px 5% 55px;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent,transparent 40px,rgba(33,150,243,.025) 40px,rgba(33,150,243,.025) 80px)}
.page-hero h1{font-size:clamp(38px,6vw,68px);color:#fff;letter-spacing:2px;margin-bottom:12px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.65);max-width:560px;line-height:1.75}
.breadcrumb{display:flex;align-items:center;gap:7px;margin-bottom:14px;font-size:12px;color:rgba(255,255,255,.45)}
.breadcrumb a{color:var(--sky)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.25)}

/* ── STATS ──────────────────────────────────────────────── */
.stats-bar{background:linear-gradient(135deg,var(--navy),#0f2540);padding:36px 5%;display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stat-item{border-right:1px solid rgba(255,255,255,.07);padding:16px}
.stat-item:last-child{border-right:none}
.stat-num{font-family:var(--font-h);font-size:40px;color:var(--accent);line-height:1}
.stat-lbl{font-size:11px;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:1.5px;margin-top:4px}

/* ── CARDS ──────────────────────────────────────────────── */
.scard{background:var(--bg-card);border:1.5px solid var(--border);border-radius:var(--radius);padding:26px;transition:all var(--t);position:relative;overflow:hidden;display:flex;flex-direction:column}
.scard::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--sky),var(--blue));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.scard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--sky)}
.scard:hover::before{transform:scaleX(1)}
.scard-icon{width:50px;height:50px;background:var(--light);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.scard h3{font-size:20px;color:var(--text);margin-bottom:8px}
.scard p{font-size:13px;color:var(--text-muted);line-height:1.7;flex:1}
.scard-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--blue);margin-top:16px;transition:gap .2s}
.scard-link:hover{gap:10px}
.wcard{background:var(--bg-card);border-radius:var(--radius);padding:26px;text-align:center;border:1px solid var(--border);transition:all var(--t)}
.wcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.wcard-icon{font-size:34px;margin-bottom:12px}
.wcard h4{font-size:18px;color:var(--text);margin-bottom:8px}
.wcard p{font-size:13px;color:var(--text-muted);line-height:1.65}
.tcard{background:var(--bg-card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--border)}
.tcard-stars{font-size:18px;color:#ffd700;margin-bottom:12px}
.tcard-text{font-size:14px;color:var(--text-muted);line-height:1.85;font-style:italic;margin-bottom:18px}
.tcard-footer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--border);padding-top:14px}
.tcard-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-size:18px;color:#fff;flex-shrink:0}
.tcard-name{font-weight:700;font-size:14px;color:var(--text)}
.tcard-loc{font-size:12px;color:var(--text-muted)}
.tcard-badge{margin-left:auto;background:var(--light);border-radius:5px;padding:3px 9px;font-size:10px;color:var(--blue);font-weight:600;white-space:nowrap}

/* ── GALLERY ────────────────────────────────────────────── */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery-item{border-radius:12px;overflow:hidden;position:relative}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;display:block}
.gallery-item:hover img{transform:scale(1.07)}
.gallery-item.big{grid-column:span 2;aspect-ratio:16/9}
.gallery-item.sm{aspect-ratio:1/1}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(0,rgba(10,22,40,.7) 0%,transparent 55%);opacity:0;transition:opacity var(--t);display:flex;align-items:flex-end;padding:16px}
.gallery-item:hover .gallery-overlay{opacity:1}
.gallery-overlay-text{color:#fff;font-size:13px;font-weight:600}

/* ── PROCESS ────────────────────────────────────────────── */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.process-grid::before{content:'';position:absolute;top:34px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--sky),var(--blue));z-index:0}
.pstep{text-align:center;padding:16px 10px;position:relative;z-index:1}
.pnum{width:68px;height:68px;background:linear-gradient(135deg,var(--sky),var(--blue));border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-size:24px;color:#fff;margin:0 auto 14px;box-shadow:0 6px 20px rgba(33,150,243,.3)}
.pstep h4{font-size:15px;color:var(--text);margin-bottom:6px}
.pstep p{font-size:12px;color:var(--text-muted);line-height:1.6}

/* ── CONTACT FORM ───────────────────────────────────────── */
.cform{background:rgba(255,255,255,.06);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:34px}
.fgroup{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.fgroup label{font-size:11px;font-weight:700;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:1px}
.fgroup input,.fgroup textarea,.fgroup select{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-sm);padding:11px 14px;color:#fff;font-size:14px;font-family:var(--font-b);outline:none;transition:border var(--t);width:100%}
.fgroup input::placeholder,.fgroup textarea::placeholder{color:rgba(255,255,255,.3)}
.fgroup input:focus,.fgroup textarea:focus,.fgroup select:focus{border-color:var(--sky)}
.fgroup select option{background:var(--navy)}
.fgroup textarea{resize:vertical;min-height:90px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.submit-btn{width:100%;background:linear-gradient(135deg,var(--sky),var(--blue));border:none;border-radius:var(--radius-sm);color:#fff;font-family:var(--font-h);font-size:20px;letter-spacing:1px;padding:14px;cursor:pointer;transition:all var(--t)}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(33,150,243,.4)}
.cinfo-item{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px}
.cinfo-icon{width:46px;height:46px;background:rgba(33,150,243,.14);border:1px solid rgba(33,150,243,.3);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.cinfo-label{font-family:var(--font-h);font-size:13px;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:1px;margin-bottom:3px}
.cinfo-value{font-size:15px;color:#fff;font-weight:600}
.cinfo-value a{color:var(--sky)}

/* ── MISC ───────────────────────────────────────────────── */
.feat-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.feat-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--text-muted);line-height:1.6}
.feat-list li::before{content:'✅';flex-shrink:0;margin-top:1px}
.highlight-box{background:linear-gradient(135deg,var(--light),#d6edff);border-left:4px solid var(--blue);border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0}
.highlight-box p{font-size:14px;color:var(--text);line-height:1.7}
.warning-box{background:#fff8e1;border-left:4px solid #ff6f00;border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0}
.warning-box p{font-size:13px;color:#5a4000;line-height:1.7}
details{background:var(--bg-card);border-radius:var(--radius-sm);padding:18px 22px;border:1px solid var(--border);cursor:pointer;margin-bottom:12px;transition:box-shadow .2s}
details:hover{box-shadow:var(--shadow)}
details[open]{box-shadow:var(--shadow);border-color:var(--sky)}
summary{font-weight:700;color:var(--text);font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:'﹢';font-size:20px;color:var(--blue);font-weight:400}
details[open] summary::after{content:'－'}
details p{margin-top:12px;font-size:14px;color:var(--text-muted);line-height:1.75}
.price-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.price-table th{background:var(--navy);color:#fff;padding:14px 20px;text-align:left;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.price-table td{padding:13px 20px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text)}
.price-table tr:last-child td{border-bottom:none}
.price-table tr:hover td{background:var(--bg-alt)}
.price-accent{font-family:var(--font-h);font-size:18px;color:var(--accent)}
.cta-banner{background:linear-gradient(135deg,#ff6f00,#e65100);padding:60px 5%;text-align:center}
.cta-banner h2{font-size:clamp(30px,4.5vw,52px);color:#fff;letter-spacing:2px;margin-bottom:12px}
.cta-banner p{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:28px}

/* ── FOOTER ─────────────────────────────────────────────── */
footer{background:var(--navy);border-top:1px solid rgba(255,255,255,.07);padding:52px 5% 24px}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-about p{font-size:13px;color:rgba(255,255,255,.45);line-height:1.8;margin-top:14px;max-width:270px}
.footer-col h5{font-family:var(--font-h);font-size:15px;color:#fff;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col ul li a{color:rgba(255,255,255,.45);font-size:13px;transition:color var(--t)}
.footer-col ul li a:hover{color:var(--sky)}
.footer-contact p{color:rgba(255,255,255,.45);font-size:13px;margin-bottom:9px;display:flex;align-items:flex-start;gap:8px;line-height:1.5}
.footer-contact a{color:var(--sky)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-copy{font-size:12px;color:rgba(255,255,255,.3)}
.gst-pill{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:5px;padding:4px 12px;font-size:11px;color:rgba(255,255,255,.35)}
.social-icons{display:flex;gap:10px;margin-top:14px}
.social-btn{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all var(--t);text-decoration:none;flex-shrink:0}
.social-btn svg{width:18px;height:18px}
.social-btn.yt{background:#ff0000;color:#fff}
.social-btn.yt:hover{background:#cc0000;transform:translateY(-2px)}
.social-btn.fb{background:#1877f2;color:#fff}
.social-btn.fb:hover{background:#0d6efd;transform:translateY(-2px)}
.social-btn.ig{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);color:#fff}
.social-btn.ig:hover{opacity:.85;transform:translateY(-2px)}
.wa-float{position:fixed;bottom:80px;right:22px;z-index:998;width:54px;height:54px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.45);animation:wabounce 3s ease infinite}
@keyframes wabounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ═══════════════════════════════════════════════════════════
   AI CHAT WIDGET — WhatsApp-speed UI
══════════════════════════════════════════════════════════ */
#chat-trigger{position:fixed;bottom:144px;right:22px;z-index:9999;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#0a1628,#1565c0);border:none;cursor:pointer;box-shadow:0 6px 24px rgba(21,101,192,.5);display:flex;align-items:center;justify-content:center;transition:transform .2s}
#chat-trigger:hover{transform:scale(1.08)}
#chat-trigger svg{width:24px;height:24px;fill:white}
#chat-notif{position:absolute;top:0;right:0;width:18px;height:18px;background:var(--accent);border-radius:50%;font-size:10px;font-weight:700;color:white;display:flex;align-items:center;justify-content:center;border:2px solid white;font-family:sans-serif}
#chat-win{position:fixed;bottom:210px;right:22px;z-index:9998;width:340px;max-height:500px;background:var(--bg-card);border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden;transform:scale(0) translateY(20px);transform-origin:bottom right;transition:transform .3s cubic-bezier(.34,1.56,.64,1),opacity .3s;opacity:0;border:1px solid var(--border)}
#chat-win.open{transform:scale(1) translateY(0);opacity:1}
.ch{background:linear-gradient(135deg,#0a1628,#1565c0);padding:14px 16px;display:flex;align-items:center;gap:10px;border-bottom:3px solid var(--accent);flex-shrink:0}
.ch-av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#e65100);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;color:white;flex-shrink:0;border:2px solid rgba(255,255,255,.25)}
.ch-inf{flex:1}
.ch-name{font-weight:700;font-size:14px;color:white}
.ch-status{font-size:10px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:4px;margin-top:2px}
.ch-online{width:6px;height:6px;background:#00e676;border-radius:50%;animation:pdot 2s infinite}
@keyframes pdot{0%,100%{opacity:1}50%{opacity:.3}}
.ch-close{width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.1);border:none;cursor:pointer;color:white;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .2s}
.ch-close:hover{background:rgba(255,255,255,.2)}
#ch-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth;background:var(--bg-alt)}
#ch-msgs::-webkit-scrollbar{width:3px}
#ch-msgs::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.cmsg{display:flex;gap:7px;align-items:flex-end;max-width:88%;animation:msgIn .2s ease}
.cmsg.bot{align-self:flex-start}
.cmsg.usr{align-self:flex-end;flex-direction:row-reverse}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.cmsg-av{width:26px;height:26px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--accent),#e65100);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:white}
.cmsg-b{padding:9px 13px;border-radius:14px;font-size:13px;line-height:1.55;max-width:100%;word-wrap:break-word;font-family:var(--font-b)}
.cmsg.bot .cmsg-b{background:var(--bg-card);color:var(--text);border-radius:4px 14px 14px 14px;border:1px solid var(--border)}
.cmsg.usr .cmsg-b{background:linear-gradient(135deg,#1565c0,#0d47a1);color:white;border-radius:14px 4px 14px 14px}
.cmsg-t{font-size:10px;color:var(--text-muted);margin-top:3px;display:block}
.cmsg.bot .cmsg-t{text-align:left}
.cmsg.usr .cmsg-t{text-align:right}
.ch-typing{display:flex;gap:4px;padding:10px 14px;background:var(--bg-card);border-radius:4px 14px 14px 14px;border:1px solid var(--border);width:fit-content;align-self:flex-start;animation:msgIn .2s ease}
.ch-dot2{width:6px;height:6px;background:var(--blue);border-radius:50%;animation:typing 1.2s ease infinite}
.ch-dot2:nth-child(2){animation-delay:.2s}
.ch-dot2:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-4px);opacity:1}}
.ch-qr{display:flex;flex-wrap:wrap;gap:5px;padding:6px 14px;flex-shrink:0;background:var(--bg-alt)}
.ch-qrb{background:var(--bg-card);border:1.5px solid var(--blue);color:var(--blue);padding:5px 10px;border-radius:50px;font-size:11px;font-weight:700;cursor:pointer;transition:all .15s;white-space:nowrap;font-family:var(--font-b)}
.ch-qrb:hover{background:var(--blue);color:white}
.ch-qrb:active{transform:scale(.95)}
.ch-inp{padding:10px 12px;border-top:1px solid var(--border);display:flex;gap:7px;align-items:flex-end;background:var(--bg-card);flex-shrink:0}
#ch-input{flex:1;border:1.5px solid var(--border);border-radius:18px;padding:8px 12px;font-size:13px;outline:none;resize:none;font-family:var(--font-b);max-height:70px;line-height:1.4;transition:border-color var(--t);background:var(--bg-alt);color:var(--text)}
#ch-input:focus{border-color:var(--blue)}
#ch-input::placeholder{color:var(--text-muted)}
#ch-send{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--sky),var(--blue));border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
#ch-send:hover{transform:scale(1.1);box-shadow:0 4px 12px rgba(33,150,243,.4)}
#ch-send:active{transform:scale(.95)}
#ch-send svg{width:16px;height:16px;fill:white}
#ch-send:disabled{opacity:.5;cursor:not-allowed;transform:none}
.cta-btns{display:flex;flex-direction:column;gap:5px;margin-top:5px}
.cta-btn{display:flex;align-items:center;gap:7px;padding:8px 12px;border-radius:9px;font-size:12px;font-weight:700;text-decoration:none;transition:all .2s;font-family:var(--font-b)}
.cta-btn.call{background:var(--accent);color:white}
.cta-btn.call:hover{background:#e65100}
.cta-btn.wa{background:#25D366;color:white}
.cta-btn.wa:hover{background:#1da851}
.cta-btn.form{background:var(--navy);color:white}
.cta-btn.form:hover{background:var(--steel)}

@media(max-width:400px){
  #chat-win{width:calc(100vw - 16px);right:8px;bottom:180px}
  #chat-trigger{bottom:130px;right:16px}
}

/* ═══════════════════════════════════════════════════════════
   MOBILE RESPONSIVE
══════════════════════════════════════════════════════════ */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .process-grid{grid-template-columns:1fr 1fr;gap:20px}
  .process-grid::before{display:none}
  .grid-4{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  :root{--nav-h:60px}
  nav{padding:0 4%}
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}
  .theme-toggle{margin-left:auto;margin-right:8px}
  section{padding:52px 5%}
  .grid-2,.footer-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-auto{grid-template-columns:1fr 1fr}
  .stats-bar{grid-template-columns:1fr 1fr;padding:24px 5%}
  .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.06);padding:12px}
  .stat-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.06)}
  .stat-num{font-size:32px}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .gallery-item.big{grid-column:span 2;aspect-ratio:4/3}
  .gallery-item.sm{aspect-ratio:4/3}
  .frow{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .page-hero{padding:95px 5% 44px}
  .page-hero h1{font-size:40px;letter-spacing:1.5px}
  .flex-gap{flex-direction:column;align-items:stretch}
  .flex-gap .btn{width:100%;justify-content:center}
  h1{font-size:clamp(36px,8vw,60px)}
}
@media(max-width:480px){
  .grid-3,.grid-auto{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  section{padding:44px 5%}
}
@media print{
  nav,.wa-float,#chat-trigger,#chat-win,.hamburger,#mob-menu{display:none!important}
  section{padding:20px 0}
}


/* ═══════════════════════════════════════════════════════════
   STRUCTURAL FIXES v4.1
═══════════════════════════════════════════════════════════ */

/* Hero — ensure full viewport on all devices */
section[style*="min-height:100vh"] {
  padding-top: calc(var(--nav-h) + 40px) !important;
  min-height: 100svh !important;
}

/* Stats bar — equal columns, no cut-off on mobile */
@media(max-width:768px) {
  .stats-bar {
    grid-template-columns: 1fr 1fr !important;
    gap: 0 !important;
  }
  .stat-item {
    border-right: none !important;
    border-bottom: 1px solid rgba(255,255,255,.07) !important;
    padding: 18px 12px !important;
  }
  .stat-item:nth-child(1),
  .stat-item:nth-child(3) {
    border-right: 1px solid rgba(255,255,255,.07) !important;
  }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-bottom: none !important;
  }
  .stat-num { font-size: 36px !important; }
  .stat-lbl { font-size: 10px !important; margin-top: 3px; }
}

/* Section backgrounds respect dark mode */
[data-theme="dark"] section[style*="background:var(--gray)"],
[data-theme="dark"] .bg-gray { background: var(--bg-alt) !important; }

/* Fix inline background overrides in dark mode */
[data-theme="dark"] section[style*="background:#f4f7fb"],
[data-theme="dark"] section[style*="background:var(--gray)"] {
  background: var(--bg-alt) !important;
}

/* Cookie banner — ensure above WA float and chat */
#cc-banner { z-index: 99990 !important; }

/* Chat and WA positioning — no overlap with cookie banner */
.wa-float { bottom: 80px !important; right: 22px !important; }
#chat-trigger { bottom: 144px !important; right: 22px !important; }
#chat-win { bottom: 210px !important; right: 22px !important; }

/* When cookie banner is visible, push floats up */
body:has(#cc-banner.cc-visible) .wa-float { bottom: 110px !important; }
body:has(#cc-banner.cc-visible) #chat-trigger { bottom: 174px !important; }

/* Feat list items — better mobile rendering */
@media(max-width:768px) {
  .feat-list li { font-size: 13.5px; }
  .flex-gap.hero-btns {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .flex-gap.hero-btns .btn {
    width: 100% !important;
    justify-content: center !important;
  }
}

/* Dark mode toggle in nav — proper position desktop */
@media(min-width:769px) {
  .theme-toggle { margin-left: 8px; }
}

/* Grid sections — consistent card heights */
.grid-auto .scard,
.grid-3 .scard {
  height: 100%;
}

/* Smooth section transitions for dark mode */
section, .stats-bar, footer, nav {
  transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}