/* ===========================================================================
   Alfa Building Solutions — Premium Corporate Design System
   Executive · Minimalist · Modern American Branding
   Colors are injected as CSS variables from the CMS (see layout.php :root).
   =========================================================================== */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --navy:#0F172A; --gold:#C8A96B; --white:#FFFFFF; --offwhite:#F8FAFC;
    --navy-700:#1e293b; --navy-600:#334155; --ink:#0F172A;
    --muted:#64748b; --line:#e7e9ee; --gold-dark:#b08f4f;
    --maxw:1200px; --radius:14px;
    --ff-display:"Playfair Display",Georgia,serif;
    --ff-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    --shadow-sm:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
    --shadow-md:0 10px 30px rgba(15,23,42,.08);
    --shadow-lg:0 24px 60px rgba(15,23,42,.14);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    font-family:var(--ff-sans);color:var(--ink);background:var(--white);
    line-height:1.65;font-size:17px;font-weight:400;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ------------------------------------------------------------- typography */
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:700;line-height:1.12;color:var(--navy);letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,5vw,4rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{color:var(--navy-600)}
.lead{font-size:1.18rem;color:var(--navy-600);line-height:1.7}

.eyebrow{
    display:inline-flex;align-items:center;gap:.6rem;
    font-family:var(--ff-sans);font-weight:600;font-size:.78rem;letter-spacing:.18em;
    text-transform:uppercase;color:var(--gold-dark);margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:30px;height:1.5px;background:var(--gold)}
.eyebrow.center{justify-content:center}
.text-gold{color:var(--gold)}

/* ---------------------------------------------------------------- layout */
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,4vw,2rem)}
.section{padding:clamp(4rem,9vw,7.5rem) 0}
.section.tight{padding:clamp(3rem,6vw,5rem) 0}
.section.navy{background:var(--navy);color:#fff}
.section.navy h1,.section.navy h2,.section.navy h3{color:#fff}
.section.navy p{color:rgba(255,255,255,.72)}
.section.offwhite{background:var(--offwhite)}
.section-head{max-width:720px;margin-bottom:3.2rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.divider-gold{width:54px;height:3px;background:var(--gold);border:none;margin:1.4rem 0}
.center .divider-gold{margin-left:auto;margin-right:auto}

/* ---------------------------------------------------------------- buttons */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
    font-family:var(--ff-sans);font-weight:600;font-size:.95rem;letter-spacing:.01em;
    padding:.95rem 1.9rem;border-radius:8px;border:1.5px solid transparent;cursor:pointer;
    transition:all .25s ease;white-space:nowrap;
}
.btn-gold{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-dark);border-color:var(--gold-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,169,107,.34)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-ghost{padding:.5rem 0;color:var(--gold-dark);font-weight:600}
.btn-ghost .arr{transition:transform .25s}
.btn-ghost:hover .arr{transform:translateX(5px)}
.btn-row{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}

/* ----------------------------------------------------------------- header */
.site-header{
    position:fixed;top:0;left:0;right:0;z-index:1000;
    background:rgba(255,255,255,0);
    border-bottom:1px solid transparent;
    transition:background .35s,box-shadow .35s,border-color .35s;
}
.site-header.scrolled{
    background:rgba(255,255,255,.95);
    backdrop-filter:saturate(140%) blur(10px);
    border-bottom-color:var(--line);
    box-shadow:var(--shadow-sm);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;gap:2rem}
.nav-logo{flex-shrink:0}
.logo-wrap{position:relative;display:inline-flex;flex-shrink:0}
.logo-wrap .logo-default{display:block;height:auto;transition:opacity .3s}
.logo-wrap .logo-inverted{display:block;position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;opacity:0;pointer-events:none;transition:opacity .3s}
/* Transparent (not scrolled) + has inverted: swap logos */
.site-header:not(.scrolled) .logo-wrap.has-inverted .logo-default{opacity:0;pointer-events:none}
.site-header:not(.scrolled) .logo-wrap.has-inverted .logo-inverted{opacity:1;pointer-events:auto}
/* Fallback: no inverted logo — keep default visible with drop-shadow on dark hero */
.site-header:not(.scrolled) .logo-wrap:not(.has-inverted) .logo-default{
    filter:drop-shadow(0 1px 6px rgba(0,0,0,.55)) drop-shadow(0 0 2px rgba(0,0,0,.4));
}
/* Nav text + toggle color on transparent header */
.site-header:not(.scrolled) .nav-links a{color:rgba(255,255,255,.9)}
.site-header:not(.scrolled) .nav-toggle span{background:#fff}
/* Offset content below fixed header */
.hero-grid{padding-top:max(clamp(4rem,8vw,7rem), calc(84px + 2rem))}
.hero-inner-wrap{padding-top:max(6rem, calc(84px + 1.5rem))}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{
    font-size:.92rem;font-weight:500;color:var(--navy);position:relative;
    padding:.4rem 0;transition:color .2s;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .25s}
.nav-links a:hover,.nav-links a.active{color:var(--gold-dark)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);transition:.3s}
.mobile-menu{display:none}

/* ------------------------------------------------------------------- hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
    radial-gradient(1200px 600px at 75% -10%,rgba(200,169,107,.16),transparent 60%),
    linear-gradient(180deg,#0b1120 0%,#0F172A 100%);}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;padding:clamp(4rem,8vw,7rem) 0}
.hero h1{color:#fff;margin-bottom:1.4rem}
.hero .eyebrow{color:var(--gold)}
.hero p{color:rgba(255,255,255,.78);font-size:1.2rem;max-width:38ch}
.hero-media{position:relative}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.hero-media::after{content:"";position:absolute;inset:auto -18px -18px auto;width:60%;height:60%;border:1.5px solid rgba(200,169,107,.4);border-radius:var(--radius);z-index:-1}
.hero.inner{padding:0}
.hero-inner-wrap{position:relative;padding:clamp(3.5rem,7vw,6rem) 0 clamp(3rem,6vw,5rem)}
.hero-inner-wrap .eyebrow{color:var(--gold)}
.hero-inner-wrap h1{max-width:18ch}
.hero-inner-wrap p{max-width:60ch}

/* ------------------------------------------------------------------ stats */
.stats{background:var(--navy);border-top:1px solid rgba(255,255,255,.06)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:2.6rem 1.5rem;text-align:center;border-right:1px solid rgba(255,255,255,.07)}
.stat:last-child{border-right:none}
.stat-num{font-family:var(--ff-display);font-size:2.9rem;font-weight:800;color:var(--gold);line-height:1}
.stat-label{margin-top:.6rem;font-size:.86rem;color:rgba(255,255,255,.62);letter-spacing:.02em}

/* --------------------------------------------------------------- split row */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split.rev .split-media{order:2}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow-md)}

/* ------------------------------------------------------------------ cards */
.grid{display:grid;gap:1.6rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:2.1rem 1.9rem;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(200,169,107,.5)}
.card .icon{
    width:50px;height:50px;border-radius:11px;display:grid;place-items:center;margin-bottom:1.3rem;
    background:rgba(200,169,107,.12);color:var(--gold-dark);
}
.card .icon svg{width:24px;height:24px}
.card h3{margin-bottom:.7rem}
.card p{font-size:.97rem}
.card-num{font-family:var(--ff-display);font-size:1.1rem;color:var(--gold);font-weight:700;margin-bottom:.9rem;display:block}

/* list of ticks */
.ticks{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem 2rem;margin-top:1.5rem}
.tick{display:flex;align-items:flex-start;gap:.7rem;font-weight:500;color:var(--navy)}
.tick svg{flex:0 0 auto;width:20px;height:20px;color:var(--gold-dark);margin-top:3px}
.navy .tick{color:#fff}

/* ------------------------------------------------------------- CTA band */
.cta-band{background:linear-gradient(120deg,#0b1120,#13203a);color:#fff;border-radius:var(--radius);padding:clamp(2.6rem,5vw,4rem);text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 50% -40%,rgba(200,169,107,.2),transparent 70%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;margin-bottom:1rem}
.cta-band p{color:rgba(255,255,255,.78);max-width:54ch;margin:0 auto 1.8rem}
.cta-band .btn-row{justify-content:center}

/* ------------------------------------------------------------------ forms */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,4vw,3.5rem);align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.8rem,3vw,2.6rem);box-shadow:var(--shadow-sm)}
.field{margin-bottom:1.2rem}
.field.row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:.45rem}
.field label .req{color:var(--gold-dark)}
.field input,.field textarea,.field select{
    width:100%;font-family:inherit;font-size:1rem;color:var(--navy);
    padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:8px;background:#fff;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(200,169,107,.16)}
.field textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-9999px}
.info-list{display:grid;gap:1.5rem;margin-top:1.5rem}
.info-item{display:flex;gap:1rem;align-items:flex-start}
.info-item .icon{flex:0 0 auto;width:46px;height:46px;border-radius:11px;background:rgba(200,169,107,.12);color:var(--gold-dark);display:grid;place-items:center}
.info-item .icon svg{width:21px;height:21px}
.info-item .lbl{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.info-item .val{font-weight:600;color:var(--navy);margin-top:2px}

/* ------------------------------------------------------------------ alerts */
.alert{padding:.95rem 1.2rem;border-radius:9px;margin-bottom:1rem;font-size:.95rem;font-weight:500}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* ------------------------------------------------------------------ footer */
.site-footer{background:var(--navy);color:#fff;padding:clamp(3.5rem,6vw,5rem) 0 2rem}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.5rem}
.footer-brand img{height:40px;margin-bottom:1.2rem}
.footer-brand p{color:rgba(255,255,255,.6);font-size:.95rem;max-width:34ch}
.footer-col h4{font-family:var(--ff-sans);font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);margin-bottom:1.1rem}
.footer-col ul li{margin-bottom:.7rem}
.footer-col a{color:rgba(255,255,255,.66);font-size:.94rem;transition:color .2s}
.footer-col a:hover{color:var(--gold)}
.footer-contact div{color:rgba(255,255,255,.66);font-size:.94rem;margin-bottom:.7rem}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-top:3rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom p,.footer-bottom a{color:rgba(255,255,255,.4);font-size:.82rem}
.footer-bottom a:hover{color:var(--gold)}

/* --------------------------------------------------------------- reveal fx */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* -------------------------------------------------------------- responsive */
@media (max-width:980px){
    .hero-grid{grid-template-columns:1fr}
    .hero-media{display:none}
    .split{grid-template-columns:1fr}
    .split.rev .split-media{order:0}
    .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .stat:nth-child(2){border-right:none}
    .contact-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
    body{font-size:16px}
    .container{padding-left:2rem;padding-right:2rem}
    .nav-links,.nav-cta .btn{display:none}
    .nav-toggle{display:flex}
    .mobile-menu{display:block;position:fixed;inset:84px 0 auto 0;background:var(--navy);padding:1.4rem 1.5rem 2rem;transform:translateY(-120%);transition:transform .35s;z-index:999}
    .mobile-menu.open{transform:translateY(0)}
    .mobile-menu a{display:block;color:#fff;padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.08);font-weight:500}
    .mobile-menu .btn{margin-top:1.2rem;width:100%}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .ticks{grid-template-columns:1fr}
    .field.row{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:1fr 1fr}
}