/* RSO Traders — static site */
:root{
  --navy:#0f2c52;
  --navy-2:#1a3d6d;
  --red:#d92027;
  --red-dark:#b71a20;
  --gold:#d4a745;
  --bg:#ffffff;
  --soft:#f5f7fb;
  --ink:#1a2340;
  --muted:#5a6784;
  --border:#e4e8f0;
  --shadow:0 10px 30px rgba(15,44,82,.08);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:44px;width:auto;background:transparent}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{color:var(--navy);font-size:1.05rem;letter-spacing:.5px}
.brand-text span{color:var(--muted);font-size:.72rem;letter-spacing:2px;text-transform:uppercase}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--ink);font-weight:500;font-size:.95rem;position:relative;padding:6px 0}
.nav-links a.active,.nav-links a:hover{color:var(--red)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--red);border-radius:2px}
.cta{background:var(--red);color:#fff !important;padding:10px 20px;border-radius:999px;font-weight:600;font-size:.9rem;transition:background .2s}
.cta:hover{background:var(--red-dark)}
.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--navy);cursor:pointer}

/* Hero */
.hero{
  position:relative;
  background:linear-gradient(135deg,#0f2c52 0%,#1a3d6d 60%,#264b85 100%);
  color:#fff;
  padding:96px 0 120px;
  overflow:hidden;
}
.hero-bg{
  background:
    linear-gradient(135deg,rgba(10,26,58,.85) 0%,rgba(15,44,82,.75) 60%,rgba(26,61,109,.7) 100%),
    url("hero-bg.jpg") center/cover no-repeat;
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;
  background:radial-gradient(circle,rgba(217,32,39,.25) 0%,transparent 70%);
  filter:blur(20px);pointer-events:none;
}
.hero::before{width:520px;height:520px;top:-160px;right:-140px}
.hero::after{width:380px;height:380px;bottom:-160px;left:-100px;background:radial-gradient(circle,rgba(212,167,69,.2) 0%,transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-centered{position:relative;z-index:1;max-width:820px;text-align:center;margin:0 auto}
.hero-centered .lead{margin-left:auto;margin-right:auto}
.hero-centered .hero-actions{justify-content:center}
.hero-centered .hero-stats{max-width:560px;margin-left:auto;margin-right:auto}
.eyebrow{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:999px;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;color:#e6ecf7;margin-bottom:22px}
.hero h1{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.1;font-weight:700;margin-bottom:20px;letter-spacing:-.5px}
.hero h1 .accent{color:#ff6b70}
.hero p.lead{font-size:1.1rem;color:#c8d2e5;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:600;transition:transform .15s,box-shadow .15s,background .2s;font-size:.95rem}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(217,32,39,.35)}
.btn-outline{border:1.5px solid rgba(255,255,255,.35);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);
  border-radius:20px;
  padding:28px;
  backdrop-filter:blur(10px);
  width:100%;
  max-width:380px;
}
.hero-card img{margin:0 auto;height:120px;width:auto}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.hero-stats .stat{text-align:center}
.hero-stats .num{font-size:1.5rem;font-weight:700;color:#fff}
.hero-stats .lbl{font-size:.72rem;color:#c8d2e5;letter-spacing:1px;text-transform:uppercase}

/* Section */
section{padding:80px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .eyebrow{background:rgba(217,32,39,.08);border-color:rgba(217,32,39,.2);color:var(--red)}
.section-head h2{font-size:clamp(1.8rem,3vw,2.4rem);color:var(--navy);margin-bottom:14px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:1.05rem}

/* Products grid */
.products{background:var(--soft)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.product-card{
  background:#fff;border-radius:var(--radius);padding:26px;
  border:1px solid var(--border);
  transition:transform .2s,box-shadow .2s,border-color .2s;
  position:relative;overflow:hidden;
}
.product-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--red),var(--navy));
  transform:scaleY(0);transform-origin:top;transition:transform .3s;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.product-card:hover::before{transform:scaleY(1)}
.product-card .icon{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#fde8ea,#fff);
  color:var(--red);font-size:1.4rem;margin-bottom:16px;
  border:1px solid #f5d3d6;
}
.product-card h3{color:var(--navy);font-size:1.05rem;margin-bottom:8px;font-weight:600}
.product-card p{color:var(--muted);font-size:.9rem}

/* Feature strip */
.features{background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.feature{padding:24px;border-left:3px solid var(--red)}
.feature h4{color:var(--navy);font-size:1.05rem;margin-bottom:8px}
.feature p{color:var(--muted);font-size:.92rem}

/* Detailed product sections (products page) */
.detail{padding:56px 0;border-bottom:1px solid var(--border)}
.detail:nth-child(even){background:var(--soft)}
.detail h3{color:var(--navy);font-size:1.6rem;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.detail h3::before{content:"";width:6px;height:28px;background:var(--red);border-radius:3px}
.detail p.desc{color:var(--muted);max-width:860px;margin-bottom:22px;font-size:1.02rem}
.detail ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px 24px;margin-bottom:16px}
.detail ul li{position:relative;padding-left:22px;color:var(--ink);font-size:.95rem}
.detail ul li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:700}
.detail .tag{display:inline-block;background:rgba(15,44,82,.06);color:var(--navy);padding:4px 12px;border-radius:999px;font-size:.8rem;margin-top:8px}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0;text-align:center;border-radius:0}
.cta-banner h2{font-size:2rem;margin-bottom:12px}
.cta-banner p{color:#c8d2e5;margin-bottom:24px;max-width:600px;margin-left:auto;margin-right:auto}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-grid img{border-radius:var(--radius)}
.about-text h2{color:var(--navy);font-size:2rem;margin-bottom:16px}
.about-text p{color:var(--muted);margin-bottom:14px}
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:40px}
.value{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.value .num{color:var(--red);font-weight:700;font-size:1.4rem;margin-bottom:8px}
.value h4{color:var(--navy);margin-bottom:6px}
.value p{color:var(--muted);font-size:.92rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{background:var(--navy);color:#fff;border-radius:var(--radius);padding:36px}
.contact-info h3{margin-bottom:20px;font-size:1.3rem}
.contact-info .row{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.contact-info .row .ico{width:36px;height:36px;background:rgba(255,255,255,.1);border-radius:10px;display:grid;place-items:center;flex:none}
.contact-info .row strong{display:block;font-size:.78rem;letter-spacing:1.5px;text-transform:uppercase;color:#a9b8d4;margin-bottom:2px}
.contact-info .row span{color:#fff}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:36px}
.contact-form h3{color:var(--navy);margin-bottom:20px;font-size:1.3rem}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:.85rem;font-weight:500;color:var(--ink);margin-bottom:6px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink);
  transition:border-color .15s,box-shadow .15s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(217,32,39,.12)}
.form-row textarea{resize:vertical;min-height:110px}
.form-btn{background:var(--red);color:#fff;border:none;padding:14px 28px;border-radius:999px;font-weight:600;cursor:pointer;font-size:.95rem;transition:background .2s}
.form-btn:hover{background:var(--red-dark)}
.form-note{color:var(--muted);font-size:.85rem;margin-top:12px}

/* Footer */
footer{background:#0a1e3a;color:#c8d2e5;padding:60px 0 24px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand img{height:50px;margin-bottom:14px;background:#fff;padding:6px;border-radius:8px}
.foot-brand p{color:#a9b8d4;font-size:.9rem;max-width:300px}
footer h5{color:#fff;font-size:.9rem;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer ul li a{color:#a9b8d4;font-size:.92rem;transition:color .15s}
footer ul li a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;color:#8595b3;font-size:.85rem}
.foot-bottom .disclaimer{max-width:820px;margin:0 auto 12px;font-size:.78rem;color:#7889a8}

/* Responsive */
@media (max-width:900px){
  .hero-grid,.about-grid,.contact-grid,.foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero{padding:64px 0 80px}
  section{padding:56px 0}
  .menu-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;flex-direction:column;padding:20px 24px;gap:16px;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
}