/* Trang chủ roxleasing.com – cùng hệ màu với trang ROX Tower */
:root{--navy:#001938;--navy-2:#002a5a;--blue:#22a2ec;--gold:#fed488;--gold-dark:#e8c070;--ink:#1f2937;--muted:#5b6472;--line:#d9dde6;--bg:#f6f3f2;--radius:12px;--shadow:0 10px 30px rgba(0,25,56,.12);--container:1120px;--header-h:64px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 8px)}
body{margin:0;font-family:Manrope,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-2)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:800;color:var(--navy)}
h1{font-size:clamp(1.7rem,4.5vw,2.8rem)}h2{font-size:clamp(1.45rem,3.2vw,2.1rem)}h3{font-size:1.1rem}
p{margin:0 0 1em}ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
.ico{width:1.2em;height:1.2em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-0.25em}
.zalo-logo{stroke:none}
.section{padding:56px 0}.section-alt{background:var(--bg)}
.section-title{text-align:center;padding-bottom:14px;margin-bottom:18px}
.section-title::after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--gold);margin:12px auto 0}
.section-title.left{text-align:left}.section-title.left::after{margin-left:0}
.section-lead{text-align:center;max-width:720px;margin:0 auto 28px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:12px 20px;border-radius:10px;font-weight:700;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2;transition:background .15s}
.btn-primary{background:var(--gold);color:var(--navy);box-shadow:0 6px 18px rgba(254,212,136,.35)}.btn-primary:hover{background:var(--gold-dark)}
.btn-secondary{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.7)}.btn-outline:hover{background:rgba(255,255,255,.18)}
.btn-block{width:100%}

/* ---- Rà soát UX/UI 12/10: focus, chạm, tiêu đề, skip link ---- */
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
.btn:focus-visible,.bb-btn:focus-visible,.float-btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
a,button,input,select,textarea,label{touch-action:manipulation}
body{-webkit-tap-highlight-color:transparent}
h1,h2{text-wrap:balance}
h3,p,li{text-wrap:pretty}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--gold);color:var(--navy);font-weight:700;padding:10px 14px;border-radius:8px;text-decoration:none;transition:top .15s}
.skip-link:focus{top:12px}
.logo-text small{white-space:nowrap}
.lead-form input,.lead-form select,.lead-form textarea{min-width:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.btn-secondary:hover{background:rgba(0,25,56,.06)}
.header-call:hover{background:rgba(254,212,136,.15)}
@media (max-width:480px){.logo-text small{display:none}}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff;box-shadow:0 2px 12px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.logo img{height:40px;width:40px}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-size:1.25rem;font-weight:800;color:#fff}
.logo-text small{font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:#fff;text-decoration:none;font-weight:600;padding:8px 12px;border-radius:8px;opacity:.9}.nav a:hover{background:rgba(255,255,255,.1);color:var(--gold);opacity:1}
.header-call{padding:9px 14px;color:#fff;border-color:var(--gold)}
.nav-toggle{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}.nav-toggle .ico{width:26px;height:26px}
@media (max-width:860px){.nav{position:absolute;left:0;right:0;top:var(--header-h);background:var(--navy);flex-direction:column;padding:8px 16px 16px;display:none;border-top:1px solid rgba(255,255,255,.12)}.nav.is-open{display:flex}.nav-toggle{display:block;margin-left:auto}.header-call{margin-left:auto;padding:9px 12px;font-size:14px}}
@media (max-width:420px){.header-call span{display:none}.header-call{padding:10px}}
/* hero */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden;min-height:520px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,25,56,.92) 0%,rgba(0,25,56,.7) 60%,rgba(0,25,56,.4) 100%);z-index:1}
.hero-inner{position:relative;z-index:2;max-width:720px;margin:0;padding:64px 16px}
.eyebrow{color:var(--gold);font-weight:700;margin-bottom:10px}
.hero h1{color:#fff}.hero-sub{font-size:1.1rem;color:rgba(255,255,255,.92)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
@media (max-width:860px){.hero{min-height:0}.hero-inner{padding:40px 16px}.hero::before{background:linear-gradient(180deg,rgba(0,25,56,.92),rgba(0,25,56,.82))}}
/* loại hình */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat{display:block;border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);text-decoration:none;color:var(--ink);border:1px solid var(--line)}
.cat img{aspect-ratio:10/7;object-fit:cover;width:100%;transition:transform .3s}.cat:hover img{transform:scale(1.04)}
.cat-body{padding:18px 20px 20px}.cat-body p{color:var(--muted);font-size:.95rem}
.more{color:var(--navy-2);font-weight:700;display:inline-flex;align-items:center;gap:.3em}
@media (max-width:860px){.cat-grid{grid-template-columns:1fr}}
/* ưu đãi */
.promo-strip{background:var(--navy);color:#fff;padding:22px 0}
.promo-inner{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.promo-items{display:flex;flex-wrap:wrap;gap:8px 24px;font-weight:700}
.promo-items .ico{color:var(--gold)}
/* dự án */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.proj{position:relative;display:block;border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 4px 16px rgba(0,25,56,.06);text-decoration:none;color:var(--ink)}
.proj img{aspect-ratio:10/7;object-fit:cover;width:100%;transition:transform .3s}.proj:hover img{transform:scale(1.04)}
.proj-body{padding:16px 18px 18px}.proj-body p{font-size:.92rem;color:var(--muted);margin:0}
.proj .addr{color:var(--navy);font-weight:600;margin-bottom:6px}.proj .addr .ico{color:var(--blue)}
.proj-hot{grid-column:span 1;outline:3px solid var(--gold)}
.tag{position:absolute;top:12px;left:12px;background:var(--gold);color:var(--navy);font-weight:800;font-size:.78rem;padding:4px 10px;border-radius:999px;z-index:1}
@media (max-width:960px){.proj-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.proj-grid{grid-template-columns:1fr}}
/* về chúng tôi */
.about-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.why-grid li{background:var(--bg);border-radius:var(--radius);padding:18px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:12px}
.why-grid .ico{grid-row:1/3;width:32px;height:32px;color:var(--blue)}
.why-grid strong{color:var(--navy)}.why-grid span{font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.about-inner{grid-template-columns:1fr}}@media (max-width:420px){.why-grid{grid-template-columns:1fr}}
/* tin tức */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.news-card{background:#fff;border-radius:var(--radius);padding:18px;box-shadow:0 4px 16px rgba(0,25,56,.06);display:flex;flex-direction:column;gap:8px}
.news-card time{font-size:.8rem;color:var(--muted);font-weight:600}
.news-card a{font-weight:700;text-decoration:none;color:var(--navy);line-height:1.4}.news-card a:hover{color:var(--blue)}
.news-card .src{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:.4em;margin-top:auto}
@media (max-width:760px){.news-grid{grid-template-columns:1fr}}
/* liên hệ */
.contact{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.contact h2{color:#fff}.contact-text p{color:rgba(255,255,255,.9)}.contact-alt a{color:var(--gold)}.contact-alt .ico{color:var(--gold)}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;color:var(--ink)}
.lead-form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:12px;color:var(--navy)}
.lead-form label i{color:#c62828;font-style:normal}
.lead-form input:not([type=checkbox]),.lead-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);font:inherit;font-size:16px;color:var(--ink)}
.lead-form input:focus,.lead-form textarea:focus{outline:2px solid var(--blue);outline-offset:1px;background:#fff}
.lead-form .consent{font-weight:500;font-size:.85rem;color:var(--muted);display:flex;gap:8px;align-items:flex-start}
.lead-form .consent input{margin-top:4px}
.lead-form .hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
.form-msg{min-height:1.4em;margin:10px 0 0;font-weight:600}.form-msg.is-error{color:#c62828}
@media (max-width:860px){.contact-inner{grid-template-columns:1fr}}
/* footer */
.site-footer{background:#0b1220;color:rgba(255,255,255,.85);padding:40px 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr .7fr;gap:28px}
.legal{font-size:.9rem;margin-top:12px;line-height:1.7}.legal.small{font-size:.8rem;opacity:.7}
.site-footer address{font-style:normal}.site-footer address p{display:flex;gap:.5em;align-items:flex-start;margin:0 0 8px}.site-footer address .ico{color:var(--gold);margin-top:.2em}
.site-footer a{color:#fff}
.footer-links{display:flex;flex-direction:column;gap:6px}.footer-links a{text-decoration:none;opacity:.85}.footer-links a:hover{color:var(--gold);opacity:1}
.copyright{text-align:center;font-size:.8rem;opacity:.6;margin:28px 16px 0}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
/* nút cố định */
.bottom-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.12);padding:8px 10px calc(8px + env(safe-area-inset-bottom));grid-template-columns:1fr 1fr 1fr;gap:8px}
.bb-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:12px 6px;border-radius:10px;font-weight:700;font-size:.9rem;text-decoration:none;border:2px solid var(--navy);color:var(--navy);background:#fff}
.bb-btn .ico{width:20px;height:20px}.bb-btn .zalo-logo{width:24px;height:24px}
.bb-primary{background:var(--gold);border-color:var(--gold)}
.float-btns{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-btn{position:relative;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.float-btn .ico{width:24px;height:24px}
.float-call{background:#e53935;animation:rung 3.2s ease-in-out infinite}
.float-zalo{background:transparent;box-shadow:none;animation:rung 3.2s ease-in-out .9s infinite}
.float-zalo .zalo-logo{width:50px;height:50px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.3))}
@keyframes rung{0%,70%,100%{transform:rotate(0) scale(1)}73%{transform:rotate(-14deg) scale(1.08)}76%{transform:rotate(12deg) scale(1.08)}79%{transform:rotate(-10deg) scale(1.06)}82%{transform:rotate(8deg) scale(1.04)}85%{transform:rotate(-4deg) scale(1.02)}88%{transform:rotate(0) scale(1)}}
@media (max-width:860px){.bottom-bar{display:grid}.float-btns{display:none}body{padding-bottom:72px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}