/* ============================================================
   Houston USA Oil Technologies, LLC — Corporate Site Stylesheet
   Premium navy & gold executive design
   ============================================================ */
:root{
  --navy:#071320;
  --navy-2:#0c1f30;
  --navy-3:#12293e;
  --gold:#c9a14a;
  --gold-2:#e6c87e;
  --ink:#15202b;
  --slate:#52606f;
  --ivory:#f7f5f0;
  --white:#ffffff;
  --line:rgba(201,161,74,.35);
  --radius:6px;
  --shadow:0 14px 44px rgba(7,19,32,.14);
  --maxw:1220px;
  --font-head:'Playfair Display',Georgia,serif;
  --font-body:'Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.75;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--gold);text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.18;color:var(--navy);font-weight:700}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- Header ---------- */
.topbar{background:var(--navy);border-bottom:1px solid rgba(255,255,255,.06);color:#9fb2c4;font-size:.82rem;letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;gap:18px;padding:8px 28px;flex-wrap:wrap}
.topbar a{color:#c8d6e2}
.topbar a:hover{color:var(--gold-2)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,19,32,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:96px;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.brand{display:flex;align-items:center;gap:16px}
.brand img{height:62px;width:auto}
.brand .bname{display:flex;flex-direction:column;line-height:1.25}
.brand .bname b{font-family:var(--font-head);color:#fff;font-size:.98rem;letter-spacing:.02em;white-space:nowrap}
.brand .bname small{color:var(--gold-2);font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:17px;list-style:none}
.nav-links a{color:#d4dfe9;font-weight:600;font-size:.73rem;letter-spacing:.09em;text-transform:uppercase;transition:color .2s;padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--gold-2);border-bottom-color:var(--gold)}
.nav-cta{border:1px solid var(--gold);color:var(--gold-2)!important;padding:10px 18px!important;border-radius:var(--radius);transition:all .25s;border-bottom:1px solid var(--gold)!important}
.nav-cta:hover{background:var(--gold);color:var(--navy)!important}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:44px;height:44px}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;content:"";width:26px;height:2px;background:var(--gold-2);position:relative;margin:0 auto;transition:all .25s}
.nav-toggle span::before{position:absolute;top:-8px}
.nav-toggle span::after{position:absolute;top:8px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;background:var(--navy);overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.85}
.hero .overlay{position:absolute;inset:0;background:linear-gradient(95deg,rgba(7,19,32,.94) 18%,rgba(7,19,32,.55) 60%,rgba(7,19,32,.25))}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:120px 28px;width:100%}
.kicker{display:inline-flex;align-items:center;gap:14px;color:var(--gold-2);font-weight:600;font-size:.78rem;letter-spacing:.32em;text-transform:uppercase;margin-bottom:28px}
.kicker::before{content:"";width:46px;height:1px;background:var(--gold)}
.hero h1{color:#fff;font-size:clamp(2.5rem,5.4vw,4.2rem);max-width:820px;margin-bottom:26px}
.hero h1 em{color:var(--gold-2);font-style:italic}
.hero p{color:#c8d6e2;font-size:1.22rem;max-width:660px;margin-bottom:42px;font-weight:300}
.btn-row{display:flex;gap:18px;flex-wrap:wrap}
.btn{display:inline-block;font-family:var(--font-body);font-weight:600;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;padding:17px 38px;border-radius:var(--radius);transition:all .25s}
.btn-primary{background:linear-gradient(135deg,var(--gold),#b08a35);color:var(--navy);box-shadow:0 8px 26px rgba(201,161,74,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(201,161,74,.5);color:var(--navy)}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-dark{background:var(--navy);color:#fff;border:1px solid var(--navy)}
.btn-dark:hover{background:var(--navy-3)}
.btn-outline{border:1px solid var(--gold);color:#9c7a2e}
.btn-outline:hover{background:var(--gold);color:var(--navy)}

/* Page hero (interior) */
.page-hero{text-align:left}
.page-hero h1{font-size:clamp(2.2rem,4.6vw,3.4rem);color:#fff}
.page-hero p{color:#c8d6e2;max-width:680px;margin-top:18px;font-size:1.15rem;font-weight:300}

/* ---------- Sections ---------- */
section{padding:96px 0}
.section-label{display:inline-flex;align-items:center;gap:14px;color:#9c7a2e;font-weight:600;font-size:.76rem;letter-spacing:.3em;text-transform:uppercase;margin-bottom:18px}
.section-label::before{content:"";width:38px;height:1px;background:var(--gold)}
h2.title{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:20px}
.lead{color:var(--slate);font-size:1.13rem;max-width:740px;font-weight:300}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.rounded-img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* Cards */
.card{background:var(--white);border:1px solid #e7e2d6;border-top:3px solid var(--gold);border-radius:var(--radius);padding:42px 34px;box-shadow:0 6px 22px rgba(7,19,32,.06);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .icon{font-size:2rem;margin-bottom:20px}
.card h3{font-size:1.35rem;margin-bottom:14px}
.card p,.card li{color:var(--slate);font-size:.99rem}
.card ul{list-style:none;margin-top:8px}
.card ul li{padding:7px 0 7px 26px;position:relative;border-bottom:1px dashed #ece6d8}
.card ul li:last-child{border-bottom:none}
.card ul li::before{content:"◆";position:absolute;left:0;color:var(--gold);font-size:.6rem;top:13px}
.card .more{display:inline-block;margin-top:20px;font-weight:600;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:#9c7a2e}
.card .more::after{content:" →"}

/* Stats */
.stats{background:var(--navy);position:relative;overflow:hidden;padding:84px 0}
.stats::before{content:"";position:absolute;inset:0;background:radial-gradient(700px circle at 85% 20%,rgba(201,161,74,.14),transparent 60%)}
.stats .grid-4{position:relative;z-index:2}
.stat{text-align:center;padding:0 10px}
.stat .num{font-family:var(--font-head);font-size:clamp(2.4rem,4.2vw,3.6rem);color:var(--gold-2)}
.stat .lbl{color:#aebfce;font-size:.95rem;margin-top:8px;font-weight:300}

/* Bands */
.band{background:var(--ivory)}
.band-dark{background:linear-gradient(115deg,var(--navy) 30%,var(--navy-3));color:#fff;position:relative;overflow:hidden}
.band-dark::after{content:"";position:absolute;right:-140px;bottom:-140px;width:440px;height:440px;border:1px solid rgba(201,161,74,.25);border-radius:50%}
.band-dark h2,.band-dark h3{color:#fff}
.band-dark p,.band-dark li{color:#c8d6e2}
.cta-band{text-align:center}
.cta-band h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:16px}
.cta-band p{max-width:680px;margin:0 auto 36px}
.phone-big{font-family:var(--font-head);font-size:clamp(1.7rem,3.6vw,2.5rem);color:var(--gold-2);display:block;margin:12px 0 30px}

/* Checklist */
.checks{list-style:none;margin-top:24px}
.checks li{padding-left:38px;position:relative;margin-bottom:15px;color:var(--slate)}
.checks li::before{content:"✓";position:absolute;left:0;top:2px;width:24px;height:24px;border:1px solid var(--gold);color:#9c7a2e;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.8rem;border-radius:50%}
.band-dark .checks li{color:#c8d6e2}
.band-dark .checks li::before{color:var(--gold-2)}

/* Pill tags (industries, markets, products) */
.pills{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.pill{border:1px solid var(--line);background:rgba(201,161,74,.06);color:var(--navy);font-weight:600;font-size:.88rem;padding:12px 22px;border-radius:999px}
.band-dark .pill{color:#e9eff5;background:rgba(201,161,74,.1)}

/* Leadership */
.ceo-card{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.ceo-photo{background:linear-gradient(160deg,var(--navy),var(--navy-3));border:1px solid var(--line);border-radius:var(--radius);min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gold-2);overflow:hidden;box-shadow:var(--shadow)}
.ceo-photo .monogram{font-family:var(--font-head);font-size:4.4rem;letter-spacing:.06em}
.ceo-photo .role{font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;color:#9fb2c4;margin-top:10px}
.ceo-photo img{width:100%;height:auto;display:block}
.signature{font-family:var(--font-head);font-style:italic;font-size:1.5rem;color:var(--navy);margin-top:30px}
.sig-role{color:var(--slate);font-size:.9rem;letter-spacing:.08em;text-transform:uppercase}

/* Compliance list blocks */
.gov-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.gov-item{border-left:3px solid var(--gold);background:var(--white);padding:30px 28px;box-shadow:0 6px 22px rgba(7,19,32,.06)}
.gov-item h3{font-size:1.15rem;margin-bottom:10px}
.gov-item p{color:var(--slate);font-size:.96rem}

/* Insights */
.insight{background:#fff;border:1px solid #e7e2d6;border-radius:var(--radius);padding:34px 30px;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.insight:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.insight .tag{color:#9c7a2e;font-size:.72rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;margin-bottom:14px}
.insight h3{font-size:1.22rem;margin-bottom:12px}
.insight p{color:var(--slate);font-size:.95rem;flex:1}

/* Contact */
.contact-cards .card{text-align:center}
.contact-cards .card a{font-family:var(--font-head);font-weight:700;color:var(--navy);font-size:1.06rem;word-break:break-word}
.contact-cards .card a:hover{color:#9c7a2e}
form .field{margin-bottom:22px}
form label{display:block;font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:9px;color:var(--navy)}
form input,form textarea{width:100%;border:1px solid #d9d2c2;border-radius:var(--radius);padding:15px 17px;font:inherit;background:#fff;transition:border .2s}
form input:focus,form textarea:focus{outline:none;border-color:var(--gold)}

/* Breadcrumbs */
.crumbs{position:relative;z-index:2;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:#9fb2c4;margin-bottom:22px}
.crumbs a{color:var(--gold-2)}
.crumbs span::before{content:"/";margin:0 10px;color:#56707f}

/* Legal pages */
.legal{max-width:860px;margin:0 auto}
.legal h2{font-size:1.45rem;margin:44px 0 14px}
.legal p,.legal li{color:var(--slate)}
.legal ul{margin:12px 0 12px 24px}
.legal .updated{font-size:.9rem;color:var(--slate);font-style:italic;margin-bottom:8px}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#aebfce;padding:80px 0 0;border-top:3px solid var(--gold)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;max-width:var(--maxw);margin:0 auto;padding:0 28px 56px}
.site-footer img.flogo{height:88px;width:auto;border-radius:10px;margin-bottom:20px}
.site-footer h4{color:var(--gold-2);font-family:var(--font-body);font-size:.78rem;letter-spacing:.26em;text-transform:uppercase;margin-bottom:20px}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:11px}
.site-footer a{color:#aebfce;transition:color .2s}
.site-footer a:hover{color:var(--gold-2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 28px;text-align:center;font-size:.88rem;color:#7e93a6}
.footer-bottom a{color:#aebfce}

/* Language switcher */
.lang-switch{display:inline-flex;gap:6px;align-items:center;margin-left:14px}
.lang-switch button{background:none;border:1px solid rgba(201,161,74,.45);color:#c8d6e2;font:600 .72rem/1 var(--font-body);letter-spacing:.08em;padding:4px 9px;border-radius:4px;cursor:pointer;transition:all .2s}
.lang-switch button:hover{border-color:var(--gold);color:var(--gold-2)}
.lang-switch button.active{background:var(--gold);border-color:var(--gold);color:var(--navy)}
/* Hide Google Translate chrome */
#google_translate_element{display:none}
body{top:0!important}
.goog-te-banner-frame,.skiptranslate iframe{display:none!important;visibility:hidden!important}
body .goog-logo-link,body .goog-te-gadget{display:none!important}

/* Live map presets & legend */
.map-presets{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.map-presets button{background:#fff;border:1px solid var(--line);color:var(--navy);font:600 .82rem/1 var(--font-body);letter-spacing:.04em;padding:11px 18px;border-radius:999px;cursor:pointer;transition:all .2s}
.map-presets button:hover{border-color:var(--gold);color:#9c7a2e}
.map-presets button.active{background:linear-gradient(135deg,var(--gold),#b08a35);border-color:var(--gold);color:var(--navy)}
.map-legend{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:14px;font-size:.82rem;color:var(--slate)}
.map-legend span{display:inline-flex;align-items:center;gap:6px}
.map-legend i{width:11px;height:11px;border-radius:3px;display:inline-block}
.preset-divider{width:1px;height:26px;background:var(--line);margin:0 4px;align-self:center}
.map-presets .type-btn{background:var(--navy);color:#d4dfe9;border-color:var(--navy)}
.map-presets .type-btn:hover{color:var(--gold-2);border-color:var(--gold)}
.map-presets .type-btn.active{background:linear-gradient(135deg,var(--gold),#b08a35);border-color:var(--gold);color:var(--navy)}
.map-legend.filter span{opacity:.25;transition:opacity .25s}
.map-legend.filter span.on{opacity:1;font-weight:700}

/* WhatsApp float */
.wa-float{position:fixed;right:24px;bottom:24px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .brand .bname{display:none}
  .nav-links{gap:14px}
  .nav-links a{font-size:.72rem;letter-spacing:.08em}
  .nav-cta{padding:10px 16px!important}
}
@media (max-width:960px){
  .grid-2,.grid-3,.gov-grid,.ceo-card{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ceo-photo{max-width:320px}
}
@media (max-width:1000px){
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:96px 0 auto 0;background:var(--navy);flex-direction:column;gap:0;padding:12px 0 26px;transform:translateY(-140%);transition:transform .3s;box-shadow:0 24px 44px rgba(0,0,0,.35);z-index:99}
  .nav-links.open{transform:none}
  .nav-links li{width:100%;text-align:center;padding:13px 0}
  .nav-cta{margin-top:10px}
  section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr}
  .topbar .wrap > span:not(.lang-switch){display:none}
  .topbar .wrap{justify-content:center;padding:7px 16px}
  .lang-switch{margin-left:0}
}