/* ============================================
   Satyam Industries Pvt. Ltd - Style Sheet
   ============================================ */

:root {
  --primary: #003d6b;
  --primary-dark: #002a4a;
  --primary-light: #005a9e;
  --secondary: #00a896;
  --accent: #f0a030;
  --accent-hover: #d98e20;
  --light-bg: #f6f8fb;
  --card-bg: #ffffff;
  --dark: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
  --ease: cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Poppins',system-ui,sans-serif;color:var(--dark);background:var(--white);line-height:1.65;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 28px}

/* ===== HEADER ===== */
header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background .35s var(--ease),box-shadow .35s var(--ease)}
header.scrolled{background:rgba(255,255,255,.97);backdrop-filter:blur(12px);box-shadow:0 1px 20px rgba(0,0,0,.07)}
.nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:72px}
.logo{display:flex;align-items:center;gap:11px}
.logo img{height:46px;width:auto}
.logo-text{line-height:1.15}
.logo-text h1{font-size:1.15rem;font-weight:700;color:var(--primary);letter-spacing:-.02em}
.logo-text span{font-size:.65rem;color:var(--muted);text-transform:uppercase;letter-spacing:2px;font-weight:500}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none}
.nav-menu a{padding:8px 18px;border-radius:8px;font-weight:500;font-size:.92rem;color:var(--dark);transition:all .25s var(--ease)}
.nav-menu a:hover{color:var(--primary);background:rgba(0,61,107,.06)}
.nav-cta{background:var(--primary)!important;color:var(--white)!important;padding:9px 22px!important;border-radius:8px!important;font-weight:600!important}
.nav-cta:hover{background:var(--primary-dark)!important}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{width:24px;height:2.5px;background:var(--dark);border-radius:2px;transition:all .3s var(--ease)}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== HERO SLIDER ===== */
.hero{margin-top:72px;position:relative;height:560px;overflow:hidden;background:var(--primary-dark)}
.h-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s var(--ease),visibility .9s var(--ease);background-size:cover;background-position:center}
.h-slide.active{opacity:1;visibility:visible}
.h-slide::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,30,58,.82) 0%,rgba(0,61,107,.68) 100%)}
.h-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--white);padding:0 28px}
.h-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:7px 20px;border-radius:40px;font-size:.8rem;font-weight:500;margin-bottom:22px;backdrop-filter:blur(6px)}
.h-badge i{color:var(--accent)}
.h-content h1{font-size:3rem;font-weight:800;line-height:1.12;max-width:780px;margin-bottom:18px;letter-spacing:-.03em}
.h-content h1 em{font-style:normal;color:var(--accent)}
.h-content p{font-size:1.08rem;color:#cbd5e1;max-width:620px;margin-bottom:30px;line-height:1.7}
.h-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.btn-gold{background:var(--accent);color:var(--white);padding:12px 30px;border-radius:8px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:all .3s var(--ease);font-family:inherit}
.btn-gold:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(240,160,48,.35)}
.btn-ghost{border:2px solid rgba(255,255,255,.35);color:var(--white);padding:12px 30px;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .3s var(--ease);display:inline-block}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.h-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);color:var(--white);border:none;width:50px;height:50px;border-radius:50%;cursor:pointer;font-size:1.1rem;z-index:10;display:flex;align-items:center;justify-content:center;transition:all .3s var(--ease);backdrop-filter:blur(4px)}
.h-arrow:hover{background:rgba(255,255,255,.3)}
.h-prev{left:22px}
.h-next{right:22px}
.h-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.h-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.3);border:none;cursor:pointer;transition:all .35s var(--ease)}
.h-dot.on{background:var(--white);width:32px;border-radius:5px}

/* ===== STATS ===== */
.stats{background:linear-gradient(135deg,var(--primary),var(--primary-light));padding:2.2rem 28px}
.stats-row{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);text-align:center;gap:1.5rem}
.st h3{font-size:1.9rem;font-weight:800;color:var(--accent);line-height:1.1}
.st p{font-size:.82rem;color:rgba(255,255,255,.8);margin-top:2px}

/* ===== SECTION UTILS ===== */
.sec{padding:5rem 28px;max-width:1200px;margin:0 auto}
.sec-alt{background:var(--light-bg)}
.sec-hdr{text-align:center;margin-bottom:3.2rem}
.sec-hdr h2{font-size:2.1rem;font-weight:700;color:var(--primary-dark);letter-spacing:-.02em}
.sec-hdr p{color:var(--muted);font-size:1rem;margin-top:6px}
.sec-hdr .bar{width:48px;height:3px;background:var(--accent);margin:14px auto 0;border-radius:2px}

/* ===== PRODUCTS ===== */
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.p-card{background:var(--card-bg);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .35s var(--ease);display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.p-img{height:230px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.p-img img{width:100%;height:100%;object-fit:contain;padding:18px;transition:transform .45s var(--ease)}
.p-card:hover .p-img img{transform:scale(1.06)}
.p-img .fallback{font-size:4.5rem;display:none}
.p-body{padding:1.4rem 1.5rem 1.6rem;flex:1;display:flex;flex-direction:column}
.p-tag{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--secondary);margin-bottom:5px}
.p-body h3{font-size:1.12rem;font-weight:700;color:var(--primary-dark);margin-bottom:6px}
.p-body p{font-size:.88rem;color:var(--muted);line-height:1.65;flex:1}
.p-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.p-tags span{background:rgba(0,168,150,.07);color:var(--secondary);font-size:.68rem;font-weight:600;padding:4px 9px;border-radius:5px}

/* ===== ABOUT ===== */
.abt{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.abt-txt h2{font-size:2rem;font-weight:700;color:var(--primary-dark);margin-bottom:16px;letter-spacing:-.02em}
.abt-txt h2 em{font-style:normal;color:var(--accent)}
.abt-txt p{color:var(--muted);margin-bottom:14px;font-size:.96rem;line-height:1.8}
.abt-features{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}
.af{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--white);border-radius:8px;border:1px solid var(--border)}
.af i{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--accent-hover));border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:.8rem;flex-shrink:0}
.af span{font-size:.84rem;font-weight:600;color:var(--primary-dark)}
.abt-vis{background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:18px;padding:50px 40px;text-align:center;position:relative;overflow:hidden;min-height:370px;display:flex;align-items:center;justify-content:center}
.abt-vis::before{content:'';position:absolute;top:-70px;right:-70px;width:220px;height:220px;background:rgba(255,255,255,.04);border-radius:50%}
.abt-vis::after{content:'';position:absolute;bottom:-40px;left:-40px;width:160px;height:160px;background:rgba(255,255,255,.03);border-radius:50%}
.abt-vis img{max-height:210px;position:relative;z-index:1;filter:drop-shadow(0 12px 36px rgba(0,0,0,.3))}
.abt-badge{position:absolute;bottom:-14px;right:22px;background:var(--accent);color:var(--white);padding:16px 26px;border-radius:14px;text-align:center;box-shadow:0 8px 24px rgba(240,160,48,.4);z-index:2}
.abt-badge h3{font-size:1.7rem;font-weight:800;line-height:1}
.abt-badge p{font-size:.62rem;text-transform:uppercase;letter-spacing:1.5px;opacity:.9}

/* ===== CONTACT ===== */
.ct-full{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);padding:4rem 44px;border-radius:var(--radius);text-align:center}
.ct-full h2{font-size:2rem;font-weight:700;margin-bottom:6px}
.ct-full>p{opacity:.78;margin-bottom:2.5rem;font-size:1rem}
.ct-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-bottom:2.5rem}
.ct-item{display:flex;flex-direction:column;align-items:center;gap:10px}
.ct-icon{width:54px;height:54px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;transition:all .3s var(--ease)}
.ct-item:hover .ct-icon{background:rgba(255,255,255,.2);transform:translateY(-3px)}
.ct-item h4{font-size:.68rem;text-transform:uppercase;letter-spacing:1.8px;opacity:.55;font-weight:600}
.ct-item p{font-size:.95rem;font-weight:500;line-height:1.65}
.ct-item a{color:var(--accent);font-size:.9rem;font-weight:500;transition:color .25s var(--ease)}
.ct-item a:hover{color:var(--white)}
.ct-social{display:flex;gap:14px;justify-content:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.12)}
.ct-social a{width:48px;height:48px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.15rem;transition:all .3s var(--ease)}
.ct-social a:hover{background:var(--accent);transform:translateY(-4px) scale(1.08)}

/* ===== FOOTER ===== */
footer{background:var(--primary-dark);color:var(--white);padding:1.5rem 28px;text-align:center}
footer p{font-size:.82rem;color:rgba(255,255,255,.5)}
footer a{color:var(--accent);transition:color .25s var(--ease)}
footer a:hover{color:var(--white)}

/* ===== RESPONSIVE ===== */
@media(max-width:992px){
  .p-grid{grid-template-columns:repeat(2,1fr)}
  .abt{grid-template-columns:1fr;gap:2.5rem}
  .stats-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:72px;left:0;right:0;background:var(--white);flex-direction:column;padding:16px 28px;box-shadow:0 12px 32px rgba(0,0,0,.1);gap:2px}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 16px;width:100%;border-radius:8px}
  .burger{display:flex}
  .hero{height:440px}
  .h-content h1{font-size:2rem}
  .h-content p{font-size:.95rem}
  .p-grid{grid-template-columns:1fr}
  .ct-grid{grid-template-columns:1fr}
  .abt-features{grid-template-columns:1fr}
  .sec{padding:3.5rem 20px}
}
@media(max-width:480px){
  .hero{height:400px}
  .h-content h1{font-size:1.6rem}
  .stats-row{grid-template-columns:1fr 1fr;gap:1rem}
  .st h3{font-size:1.5rem}
  .ct-full{padding:2.5rem 20px}
}