/*
Theme Name: WiFiAds
Theme URI: https://wifiads.vn/
Author: WiFiAds.vn
Description: Theme landing page cho dịch vụ quảng cáo WiFi Marketing trên nền tảng AWING. Giao diện sáng, hiện đại, tối ưu SEO.
Version: 2.1.0
License: GNU General Public License v2 or later
Text Domain: wifiads
*/
:root{
  --ink:#0d1b3e; --ink2:#2c3a5e; --muted:#5b6a8f;
  --paper:#ffffff; --bg:#f5f7fd; --bg2:#edf1fa;
  --line:#e2e8f6; --line2:#d3ddf3;
  --indigo:#4f46e5; --indigo-d:#4338ca; --cyan:#06b6d4; --violet:#8b5cf6;
  --amber:#f59e0b; --amber2:#fbbf24;
  --green:#059669;
  --r:22px;
  --shadow:0 24px 60px -24px rgba(13,27,62,.28);
  --shadow-sm:0 12px 34px -20px rgba(13,27,62,.22);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--indigo);color:#fff}
::-webkit-scrollbar{width:11px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--indigo),var(--cyan));border-radius:8px}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.wrap{width:min(1180px,92%);margin:0 auto}
section{padding:100px 0}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:2.2px;text-transform:uppercase;color:var(--indigo);background:linear-gradient(135deg,#eef0ff,#e6f9fd);border:1px solid #d9e2ff;padding:9px 20px;border-radius:999px;margin-bottom:22px;box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}
.kicker::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--cyan));box-shadow:0 0 10px rgba(79,70,229,.7)}
h1,h2,h3{line-height:1.26;letter-spacing:-.6px}
.h2{font-size:clamp(29px,3.8vw,45px);font-weight:800;text-align:center;margin-bottom:16px}
.h2 .grad{background:linear-gradient(92deg,var(--indigo),var(--cyan) 65%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{text-align:center;color:var(--muted);max-width:720px;margin:0 auto 56px;font-size:17px}
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;padding:16px 34px;border-radius:15px;border:0;cursor:pointer;transition:transform .25s,box-shadow .25s;overflow:hidden}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .5s}
.btn:hover::after{left:130%}
.btn-amber{background:linear-gradient(135deg,var(--amber2),var(--amber));color:#3a2503;box-shadow:0 16px 34px -12px rgba(245,158,11,.6)}
.btn-amber:hover{transform:translateY(-3px);box-shadow:0 22px 40px -12px rgba(245,158,11,.7)}
.btn-indigo{background:linear-gradient(135deg,var(--indigo),#6d64ff);color:#fff;box-shadow:0 16px 34px -12px rgba(79,70,229,.6)}
.btn-indigo:hover{transform:translateY(-3px)}
.btn-line{background:#fff;color:var(--ink);border:1.5px solid var(--line2)}
.btn-line:hover{border-color:var(--indigo);color:var(--indigo);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
/* topbar */
.topbar{background:linear-gradient(90deg,#1e2a52,#2b3a75 50%,#3b2f7a);color:#fff;font-size:13.5px;font-weight:600;text-align:center;padding:10px 4%;position:relative;z-index:101}
.topbar b{color:var(--amber2)}
.topbar a{color:#fff;font-weight:800;text-decoration:underline;text-underline-offset:3px}
/* header */
header{position:fixed;inset:38px 0 auto 0;z-index:100;transition:.3s;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;padding:13px 0}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:var(--ink)}
.logo .mark{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--indigo),var(--cyan));display:grid;place-items:center;box-shadow:0 10px 22px -8px rgba(79,70,229,.6)}
.logo small{display:block;font-size:10.5px;font-weight:600;color:var(--muted);letter-spacing:.3px}
nav.desk{display:flex;gap:30px;align-items:center}
nav.desk a{color:var(--ink2);font-weight:600;font-size:15px;transition:.2s;position:relative;padding:4px 0}
nav.desk a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2.5px;border-radius:3px;background:linear-gradient(90deg,var(--indigo),var(--cyan));transition:width .25s}
nav.desk a:hover{color:var(--indigo)}
nav.desk a:hover::after{width:100%}
.head-cta{display:flex;gap:10px;align-items:center}
.hotline{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:15.5px;color:#fff;background:linear-gradient(135deg,var(--amber2),var(--amber));padding:12px 22px;border-radius:13px;box-shadow:0 12px 26px -10px rgba(245,158,11,.65);transition:.25s}
.hotline:hover{transform:translateY(-2px) scale(1.02)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:26px;height:3px;background:var(--ink);border-radius:3px;margin:5px 0;transition:.3s}
.mmenu{display:none;position:fixed;inset:108px 0 auto 0;background:rgba(255,255,255,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:14px 4%;z-index:99}
.mmenu.open{display:block}
.mmenu a{display:block;font-weight:600;padding:13px 6px;border-bottom:1px solid var(--line);color:var(--ink2)}
/* hero */
.hero{padding:208px 0 96px;background:linear-gradient(180deg,#fbfcff 0%,#f2f5fd 100%);position:relative;overflow:hidden}
.mesh{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.mesh span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 14s ease-in-out infinite}
.mesh .b1{width:520px;height:520px;left:-140px;top:-120px;background:radial-gradient(circle,#c7d2fe,transparent 65%)}
.mesh .b2{width:460px;height:460px;right:-120px;top:6%;background:radial-gradient(circle,#a5f3fc,transparent 65%);animation-delay:4s}
.mesh .b3{width:380px;height:380px;left:38%;bottom:-160px;background:radial-gradient(circle,#ddd6fe,transparent 65%);animation-delay:8s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(46px,-30px) scale(1.08)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(35px,4.5vw,58px);font-weight:900;margin-bottom:22px}
.hero h1 .grad{background:linear-gradient(92deg,var(--indigo),var(--cyan) 55%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .ul{position:relative;white-space:nowrap}
.hero h1 .ul::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:12px;background:linear-gradient(90deg,rgba(251,191,36,.45),rgba(245,158,11,.25));z-index:-1;border-radius:4px;transform:skewX(-8deg)}
.hero .sub{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:34px}
.hero .sub b{color:var(--ink)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.mini-proof{display:flex;gap:26px;flex-wrap:wrap}
.mini-proof div{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--ink2)}
.mini-proof .dot{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#eef0ff,#e0f7fc);font-size:17px;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
/* portal mockup */
.stage{position:relative;display:flex;justify-content:center}
.portal{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:0 40px 90px -30px rgba(13,27,62,.35);overflow:hidden;position:relative;z-index:2}
.portal .p-head{background:linear-gradient(135deg,#1e2a52,#2f4486 60%,#4c3a9e);color:#fff;padding:26px 26px 22px;text-align:center;position:relative;overflow:hidden}
.portal .p-head::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(125,211,252,.35),transparent 70%);top:-110px;right:-70px}
.portal .p-head .wifi-ic{font-size:34px;display:block;margin-bottom:8px;position:relative}
.portal .p-head h4{font-size:19px;font-weight:800;position:relative}
.portal .p-head p{font-size:13px;color:#b9c6ea;position:relative}
.portal .p-ad{padding:22px}
.portal .p-ad .tag{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:1.6px;color:#92400e;background:#fef3c7;border:1px solid #fde68a;text-transform:uppercase;margin-bottom:12px;padding:5px 12px;border-radius:999px}
.creative{display:flex;gap:14px;align-items:center;background:linear-gradient(135deg,#fff7ed,#ffedd5);border:1px solid #fed7aa;border-radius:18px;padding:16px;margin-bottom:16px}
.creative-art{flex:none;width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--amber2),#f97316);display:grid;place-items:center;font-size:32px;box-shadow:0 10px 20px -8px rgba(249,115,22,.6)}
.creative h5{font-size:16.5px;font-weight:800;margin-bottom:2px}
.creative p{font-size:13px;color:var(--muted)}
.portal .p-ad .row{display:flex;gap:10px}
.portal .p-ad .go{flex:1.2;text-align:center;background:linear-gradient(135deg,var(--amber2),var(--amber));color:#3a2503;font-weight:800;font-size:14px;padding:13px;border-radius:12px;box-shadow:0 10px 22px -8px rgba(245,158,11,.6)}
.portal .p-ad .later{flex:1;text-align:center;background:var(--bg2);color:var(--ink2);font-weight:700;font-size:14px;padding:13px;border-radius:12px}
.p-timer{text-align:center;font-size:12.5px;color:var(--muted);margin-top:14px}
.p-timer b{color:#dc2626;font-variant-numeric:tabular-nums}
.portal .p-foot{padding:14px;text-align:center;font-size:12px;color:var(--muted);border-top:1px solid var(--line);background:var(--bg)}
.chip{position:absolute;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.9);border-radius:18px;box-shadow:0 20px 44px -18px rgba(13,27,62,.35);padding:14px 20px;font-size:13.5px;font-weight:700;z-index:3;animation:float 5.5s ease-in-out infinite}
.chip b{font-size:20px;background:linear-gradient(92deg,var(--indigo),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.chip small{display:block;color:var(--muted);font-weight:600;font-size:12px}
.c1{top:8%;left:-2%}
.c2{bottom:10%;right:-2%;animation-delay:2.4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
/* marquee */
.marquee{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;overflow:hidden}
.marquee .lbl{text-align:center;font-size:12px;font-weight:800;letter-spacing:2.5px;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.marquee .track{display:flex;gap:60px;width:max-content;animation:scroll 30s linear infinite;font-weight:800;font-size:17px;color:#9aa7c7;letter-spacing:1px;white-space:nowrap}
@keyframes scroll{to{transform:translateX(-50%)}}
/* stats */
.stats{background:linear-gradient(135deg,#17224d,#2b3a75 55%,#3c2f7d);color:#fff;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:30px 30px;mask-image:radial-gradient(700px 300px at 50% 50%,#000,transparent 80%)}
.stats .grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:26px 14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:20px;backdrop-filter:blur(6px);transition:.3s}
.stat:hover{transform:translateY(-5px);border-color:rgba(125,211,252,.5);background:rgba(255,255,255,.09)}
.stat .num{font-size:clamp(32px,3.6vw,48px);font-weight:900;background:linear-gradient(92deg,#7dd3fc,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat .lbl{color:#b9c6ea;font-size:14px;margin-top:8px;font-weight:500}
/* pain */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pain{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px 32px;box-shadow:var(--shadow-sm);transition:.3s;position:relative;overflow:hidden}
.pain::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,#fca5a5,#fcd34d,#a5b4fc);opacity:0;transition:.3s}
.pain:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.pain:hover::before{opacity:1}
.pain .ic{width:58px;height:58px;border-radius:17px;display:grid;place-items:center;font-size:27px;margin-bottom:22px;box-shadow:inset 0 2px 4px rgba(255,255,255,.6)}
.pain h3{font-size:18.5px;margin-bottom:10px}
.pain p{color:var(--muted);font-size:15px}
/* how */
.how{background:var(--bg);position:relative}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:st}
.hstep{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:40px 34px;position:relative;overflow:hidden;transition:.3s;box-shadow:var(--shadow-sm)}
.hstep:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.hstep::before{counter-increment:st;content:"0" counter(st);position:absolute;top:14px;right:24px;font-size:60px;font-weight:900;color:#edf1fa;line-height:1}
.hstep::after{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,var(--indigo),var(--cyan));opacity:0;transition:.3s}
.hstep:hover::after{opacity:1}
.hstep .ic{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;font-size:29px;margin-bottom:22px;background:linear-gradient(135deg,#eef0ff,#dcf5fc);box-shadow:inset 0 2px 4px rgba(255,255,255,.7)}
.hstep h3{font-size:19px;margin-bottom:10px}
.hstep p{color:var(--muted);font-size:15px}
/* formats */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px 32px;position:relative;transition:.3s;overflow:hidden;box-shadow:var(--shadow-sm)}
.fcard::after{content:"";position:absolute;inset:auto 0 0 0;height:5px;background:linear-gradient(90deg,var(--indigo),var(--cyan),var(--violet));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.fcard:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.fcard:hover::after{transform:scaleX(1)}
.fcard .ic{width:60px;height:60px;border-radius:17px;display:grid;place-items:center;font-size:29px;margin-bottom:22px;background:linear-gradient(135deg,#eef0ff,#f1eaff);box-shadow:inset 0 2px 4px rgba(255,255,255,.7)}
.fcard h3{font-size:18.5px;margin-bottom:10px}
.fcard p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.fcard .tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--indigo);background:#eef0ff;border:1px solid #dfe6ff;padding:6px 15px;border-radius:999px}
/* packages */
.pkgs{background:var(--bg)}
.pkg-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:980px;margin:0 auto;align-items:stretch}
.pkg{background:#fff;border:1px solid var(--line);border-radius:26px;padding:48px 44px;position:relative;transition:.3s;display:flex;flex-direction:column}
.pkg:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pkg.hot{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--indigo),var(--cyan),var(--violet)) border-box;box-shadow:0 30px 70px -28px rgba(79,70,229,.45)}
.pkg .badge{position:absolute;top:-17px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;font-size:12.5px;font-weight:800;letter-spacing:1.2px;padding:9px 24px;border-radius:999px;white-space:nowrap;box-shadow:0 12px 26px -10px rgba(79,70,229,.6)}
.pkg h3{font-size:25px;font-weight:800;margin-bottom:6px}
.pkg .for{color:var(--muted);font-size:14.5px;margin-bottom:26px}
.pkg ul{list-style:none;display:grid;gap:14px;margin-bottom:32px;flex:1}
.pkg li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink2)}
.pkg .ck{flex:none;width:25px;height:25px;border-radius:50%;background:#e6fbf3;color:var(--green);display:grid;place-items:center;font-weight:800;font-size:13px;margin-top:2px}
.pkg .no .ck{background:#fdeaea;color:#dc2626}
/* venues */
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.venue{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;display:flex;gap:20px;align-items:flex-start;transition:.3s;box-shadow:var(--shadow-sm)}
.venue:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#c3d0f5}
.venue .em{font-size:36px;flex:none;width:76px;height:76px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(135deg,#eef0ff,#dcf5fc);box-shadow:inset 0 2px 4px rgba(255,255,255,.7)}
.venue h3{font-size:18px;margin-bottom:4px}
.venue .count{display:inline-block;font-weight:800;color:#fff;font-size:13.5px;background:linear-gradient(135deg,var(--indigo),var(--cyan));padding:4px 14px;border-radius:999px;margin:6px 0 4px}
.venue p{color:var(--muted);font-size:14px;margin-top:6px}
/* proof */
.proof{background:linear-gradient(135deg,#17224d,#2b3a75 60%,#3c2f7d);color:#fff;position:relative;overflow:hidden}
.proof::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:28px 28px}
.proof .wrap{position:relative}
.proof .h2{color:#fff}
.proof .lead{color:#b9c6ea}
.proof .kicker{background:rgba(125,211,252,.12);border-color:rgba(125,211,252,.35);color:#7dd3fc}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--r);padding:36px 28px;text-align:center;transition:.3s;backdrop-filter:blur(6px)}
.pcard:hover{transform:translateY(-6px) scale(1.02);border-color:rgba(125,211,252,.55);background:rgba(255,255,255,.09)}
.pcard .num{font-size:clamp(36px,3.8vw,52px);font-weight:900;color:#7dd3fc;font-variant-numeric:tabular-nums}
.pcard p{color:#b9c6ea;font-size:14px;margin-top:10px}
.proof .src{text-align:center;color:#8fa0c9;font-size:13px;margin-top:36px}
/* process */
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px 30px;transition:.3s;position:relative;box-shadow:var(--shadow-sm);overflow:hidden}
.step:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.step .n{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900;font-size:21px;margin-bottom:22px;box-shadow:0 12px 26px -10px rgba(79,70,229,.65)}
.step h3{font-size:17.5px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14.5px}
/* faq */
.faq{background:var(--bg)}
.faq-list{max-width:830px;margin:0 auto;display:grid;gap:15px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;transition:.3s}
.faq-item.open{box-shadow:var(--shadow);border-color:#c3d0f5}
.faq-q{width:100%;background:none;border:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:23px 28px;font-family:inherit;font-size:16px;font-weight:700;color:var(--ink);text-align:left}
.faq-q .plus{flex:none;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#eef0ff,#dcf5fc);color:var(--indigo);display:grid;place-items:center;font-size:20px;font-weight:700;transition:.3s}
.faq-item.open .plus{transform:rotate(45deg);background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 28px 26px;color:var(--muted);font-size:15px}
/* cta */
.cta{background:radial-gradient(900px 440px at 50% -40px,rgba(79,70,229,.28),transparent 65%),linear-gradient(160deg,#121c40,#232f66 70%,#2c2560);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:26px 26px}
.cta .wrap{position:relative}
.cta h2{font-size:clamp(29px,4vw,47px);font-weight:900;margin-bottom:18px}
.cta h2 .hl{background:linear-gradient(92deg,var(--amber2),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
.cta p{color:#b9c6ea;max-width:640px;margin:0 auto 38px;font-size:17px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:30px}
.cta .btn-line{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.3);color:#fff}
.cta .btn-line:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5);color:#fff}
.cta-note{color:#8fa0c9;font-size:14px}
/* footer */
footer{background:#0a1128;color:#8fa0c9;padding:70px 0 30px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;margin-bottom:48px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:18px}
.foot-grid a{display:block;padding:5px 0;transition:.2s}
.foot-grid a:hover{color:#7dd3fc;transform:translateX(3px)}
.foot-contact{list-style:none}
.foot-contact li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px}
/* floating */
.float-contact{position:fixed;right:20px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:12px}
.float-contact a{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:0 16px 34px -10px rgba(0,0,0,.45);transition:.25s;font-size:26px}
.float-contact a:hover{transform:scale(1.12) rotate(6deg)}
.fc-call{background:linear-gradient(135deg,var(--amber2),var(--amber))}
.fc-zalo{background:linear-gradient(135deg,var(--cyan),var(--indigo));color:#fff;font-weight:900;font-size:15px!important}
.back-top{position:fixed;right:20px;bottom:158px;z-index:90;width:48px;height:48px;border-radius:50%;border:1px solid var(--line2);background:rgba(255,255,255,.92);backdrop-filter:blur(8px);color:var(--indigo);font-size:20px;font-weight:800;cursor:pointer;box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:.3s;display:grid;place-items:center}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-4px)}
/* reveal */
.rv{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
/* responsive */
@media(max-width:980px){
  header{inset:38px 0 auto 0}
  .hero-grid{grid-template-columns:1fr;gap:60px}
  .hero{padding-top:196px}
  .pain-grid,.steps3,.fgrid,.vgrid{grid-template-columns:1fr 1fr}
  .steps4{grid-template-columns:1fr 1fr}
  .pkg-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr}
  .stats .grid{grid-template-columns:1fr 1fr}
  nav.desk,.head-cta .hotline{display:none}
  .burger{display:block}
  .foot-grid{grid-template-columns:1fr 1fr}
  .c1{left:0}.c2{right:0}
  .mmenu{inset:100px 0 auto 0}
}
@media(max-width:620px){
  section{padding:72px 0}
  .pain-grid,.steps3,.fgrid,.vgrid,.steps4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr}
  .stats .grid{grid-template-columns:1fr 1fr}
  .topbar{font-size:12px}
  .back-top{bottom:150px}
}