/* ===== MERCURY DESIGNS — shared styles ===== */
:root{
  --void:#08080A;
  --coal:#101013;
  --slate:#16161A;
  --card:#1A1A1F;
  --line:#26262E;
  --line2:#32323C;
  --silver:#C9CDD4;
  --fog:#8A8F99;
  --fog2:#6A6F79;
  --white:#F5F6F8;
  --accent:#6FA8C7;
  --accent2:#9FC5DA;
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--void);color:var(--white);font-family:'Archivo',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,.display{font-family:'Sora',sans-serif;letter-spacing:-0.02em;line-height:1.06}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.chrome{background:linear-gradient(100deg,#F5F6F8 0%,#9BA2AD 28%,#F5F6F8 50%,#6E7681 72%,#E8EBF0 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* NAV */
header{position:fixed;inset:0 0 auto 0;z-index:200;transition:all .4s ease;background:transparent;border-bottom:1px solid transparent}
header.scrolled{background:rgba(8,8,10,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{font-family:'Sora';font-weight:800;font-size:1.3rem;letter-spacing:-0.03em;display:flex;align-items:center;gap:11px;color:var(--white)}
.logo .mark{width:25px;height:25px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#FFF 0%,#C9CDD4 26%,#5C636E 68%,#16161A 100%);box-shadow:0 0 16px rgba(201,205,212,.4)}
.logo img.logo-img{height:34px;width:auto;display:block}
footer .logo img.logo-img{height:30px}
.nav-links{display:flex;gap:16px;align-items:center}
.nav-links a{font-size:.92rem;color:var(--silver);font-weight:500;transition:all .25s}
.nav-links a:not(.nav-cta){padding:8px 15px;border-radius:30px;text-shadow:0 1px 8px rgba(0,0,0,.55)}
.nav-links a:not(.nav-cta):hover,.nav-links a:not(.nav-cta).active{background:var(--accent);color:var(--void);text-shadow:none;box-shadow:0 6px 22px rgba(111,168,199,.32)}
.nav-cta{padding:10px 20px;border:1px solid var(--silver);border-radius:40px;color:var(--white)!important;font-weight:600;transition:all .3s}
.nav-cta:hover{background:var(--white);color:var(--void)!important}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;z-index:210}
.burger span{width:26px;height:2px;background:var(--white);transition:.3s;border-radius:2px}

/* BUTTONS */
.btn{padding:15px 30px;border-radius:44px;font-family:'Sora';font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s;border:1px solid transparent;display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.btn-primary{background:linear-gradient(100deg,#F5F6F8,#C9CDD4 60%,#9BA2AD);color:var(--void)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(201,205,212,.3)}
.btn-ghost{border-color:var(--line2);color:var(--white)}
.btn-ghost:hover{border-color:var(--silver);background:var(--coal)}

/* SECTION */
section{position:relative}
.pad{padding:110px 0}
.sec-eyebrow{font-size:.76rem;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;font-weight:600}
.sec-title{font-size:clamp(2rem,4.2vw,3.3rem);font-weight:700;margin-bottom:20px}
.sec-intro{color:var(--silver);max-width:640px;font-size:1.08rem;font-weight:300}

/* PAGE HERO (interior pages) */
.page-hero{padding:150px 0 70px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:800;margin-bottom:18px}
.page-hero p{color:var(--silver);max-width:600px;font-size:1.12rem;font-weight:300}
.page-hero .glow{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 70% 60% at 75% 30%,rgba(111,168,199,.12),transparent 60%),radial-gradient(ellipse 50% 50% at 15% 80%,rgba(201,205,212,.06),transparent 55%)}

/* FOOTER */
footer{background:var(--coal);border-top:1px solid var(--line);padding:70px 0 36px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:50px}
.foot-col h5{font-family:'Sora';font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fog);margin-bottom:18px}
.foot-col a{display:block;color:var(--silver);font-size:.95rem;margin-bottom:11px;transition:color .25s}
.foot-col a:hover{color:var(--white)}
.foot-brand p{color:var(--fog);font-size:.92rem;font-weight:300;margin-top:16px;max-width:280px}
.foot-base{padding-top:28px;border-top:1px solid var(--line);color:var(--fog2);font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot-cities{color:var(--fog2);font-size:.82rem;margin-top:6px}

/* REVEAL */
.reveal{opacity:0;transform:translateY(26px);transition:all .8s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* CHAT WIDGET */
#mchat-btn{position:fixed;bottom:24px;right:24px;z-index:300;width:62px;height:62px;border-radius:50%;border:none;cursor:pointer;background:linear-gradient(135deg,#C9CDD4,#6E7681);box-shadow:0 8px 30px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:transform .3s}
#mchat-btn:hover{transform:scale(1.06)}
#mchat-btn svg{width:27px;height:27px;stroke:var(--void)}
#mchat-panel{position:fixed;bottom:100px;right:24px;z-index:300;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 140px);background:var(--coal);border:1px solid var(--line2);border-radius:20px;box-shadow:0 24px 70px rgba(0,0,0,.6);display:none;flex-direction:column;overflow:hidden}
#mchat-panel.open{display:flex}
.mchat-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;background:var(--slate)}
.mchat-head .mark{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#FFF,#C9CDD4 26%,#5C636E 68%,#16161A 100%);flex-shrink:0}
.mchat-head b{font-family:'Sora';font-size:1rem;display:block}
.mchat-head small{color:var(--fog);font-size:.78rem}
.mchat-head .x{margin-left:auto;background:none;border:none;color:var(--fog);font-size:1.5rem;cursor:pointer;line-height:1}
.mchat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.mmsg{max-width:84%;padding:12px 15px;border-radius:15px;font-size:.92rem;line-height:1.5}
.mmsg.bot{background:var(--card);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:5px}
.mmsg.user{background:linear-gradient(120deg,#C9CDD4,#9BA2AD);color:var(--void);align-self:flex-end;border-bottom-right-radius:5px;font-weight:500}
.mchat-foot{padding:14px;border-top:1px solid var(--line);display:flex;gap:9px}
.mchat-foot input{flex:1;background:var(--slate);border:1px solid var(--line2);border-radius:11px;padding:12px 14px;color:var(--white);font-family:'Archivo';font-size:.92rem}
.mchat-foot input:focus{outline:none;border-color:var(--silver)}
.mchat-foot button{background:var(--white);border:none;border-radius:11px;padding:0 16px;cursor:pointer;font-weight:700;color:var(--void)}
.mchat-quick{display:flex;flex-wrap:wrap;gap:7px;margin-top:4px}
.mchat-quick button{background:var(--slate);border:1px solid var(--line2);color:var(--silver);font-size:.8rem;padding:7px 11px;border-radius:20px;cursor:pointer;transition:.25s;font-family:'Archivo'}
.mchat-quick button:hover{border-color:var(--silver);color:var(--white)}

@media(max-width:900px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:rgba(8,8,10,.98);backdrop-filter:blur(16px);flex-direction:column;padding:32px;gap:24px;transform:translateY(-130%);transition:.4s;border-bottom:1px solid var(--line)}
  .nav-links.open{transform:translateY(0)}
  .burger{display:flex}
  .foot-top{grid-template-columns:1fr 1fr;gap:30px}
  .pad{padding:80px 0}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .foot-top{grid-template-columns:1fr}
  #mchat-panel{bottom:88px;right:16px;left:16px;width:auto}
  #mchat-btn{bottom:18px;right:18px}
}

/* serve grid responsive (used on home + services) */
@media(max-width:900px){.serve-grid{grid-template-columns:repeat(3,1fr)!important}}
@media(max-width:560px){.serve-grid{grid-template-columns:repeat(2,1fr)!important}}