/* =============================================================
   responsive.css — Full Responsive System
   FireChars.in
   Breakpoints:
     xs  < 480px   (small phones)
     sm  < 640px   (phones)
     md  < 768px   (large phones / small tablets)
     lg  < 1024px  (tablets / small laptops)
     xl  < 1280px  (laptops)
   ============================================================= */

/* ══════════════ LARGE SCREENS  ≥ 1280px ══════════════ */
@media (min-width: 1280px) {
  .services-grid,.about-inner,.pfos-inner,.contact-layout,.feature-band-content{max-width:1300px;margin-left:auto;margin-right:auto}
  .hero-title{font-size:10rem}
}

/* ══════════════ ULTRA-WIDE  ≥ 1600px ══════════════ */
@media (min-width: 1600px) {
  nav{padding:0 8%}
  #services,#about,#pfos,#contact,.feature-band,.stats-bar{padding-left:8%;padding-right:8%}
  .services-grid,.about-inner,.pfos-inner,.contact-layout,.feature-band-content{max-width:1400px}
  .hero-title{font-size:11rem}
}

/* ══════════════ TABLET  ≤ 1024px ══════════════ */
@media (max-width: 1024px) {
  .nav-links{gap:1.6rem}
  .nav-links a{font-size:0.8rem;letter-spacing:1.5px}
  .services-grid{grid-template-columns:1fr 1fr}
  .about-inner{gap:3rem}
  .pfos-inner{gap:3rem}
  .feature-band-content{gap:3rem}
  .contact-layout{gap:4rem}
  .client-inner{gap:3rem}
  .trust-inner{gap:3.5rem}
}

/* ══════════════ TABLET  ≤ 900px ══════════════ */
@media (max-width: 900px) {

  /* Nav */
  .nav-links{display:none;flex-direction:column;position:fixed;top:72px;left:0;right:0;background:rgba(8,8,8,0.98);backdrop-filter:blur(12px);padding:0 5% 1.5rem;gap:0;border-bottom:1px solid rgba(232,98,26,0.2);z-index:999}
  .nav-links.open{display:flex}
  .nav-links li{border-bottom:1px solid rgba(245,240,235,0.05)}
  .nav-links li:last-child{border-bottom:none}
  .nav-links a{display:block;padding:14px 0;font-size:1.1rem;letter-spacing:3px;color:var(--white)!important}
  .nav-links a:hover{color:var(--fire-orange)!important}
  .nav-links a::after{display:none}
  .nav-links .nav-cta{background:var(--fire-orange)!important;color:var(--deep-black)!important;padding:12px 0;border:none!important;margin-top:8px;text-align:center;border-radius:0!important}
  .nav-toggle{display:flex}

  /* Hero */
  #hero{min-height:100svh}
  .hero-content{padding:0 1.5rem}
  .hero-logo-svg{width:90px}
  .hero-title{font-size:clamp(3.5rem,14vw,6rem);letter-spacing:3px}
  .hero-tagline{font-size:1rem;letter-spacing:1px}
  .hero-btns{flex-direction:column;align-items:center;gap:12px}
  .btn-primary,.btn-secondary{width:240px;text-align:center}

  /* Stats */
  .stats-inner{justify-content:center;gap:1rem}
  .stat-divider{display:none}
  .stat-item{min-width:100px;flex:none}

  /* Sections */
  #services{padding:5rem 5%}
  .services-grid{grid-template-columns:1fr}
  .service-card{padding:2rem 1.5rem}
  #about{padding:5rem 5%}
  #about::before{font-size:28vw}
  .about-inner{grid-template-columns:1fr;gap:2.5rem}
  .big-logo-svg{max-width:180px}
  .about-glow-box{padding:2rem}
  .feature-band{padding:5rem 5%}
  .feature-band-content{grid-template-columns:1fr;gap:2.5rem}
  .feature-quote{font-size:clamp(1.8rem,6vw,3rem)}
  #pfos{padding:5rem 5%}
  .pfos-inner{grid-template-columns:1fr;gap:3rem}
  .pfos-visual{grid-template-columns:repeat(2,1fr)}
  #contact{padding:5rem 5%}
  .contact-layout{grid-template-columns:1fr;gap:3rem}
  .form-row{grid-template-columns:1fr}
  footer{flex-direction:column;text-align:center;gap:.75rem}

  /* Products */
  .products-hero{padding:8rem 5% 4rem}
  .products-hero h1{font-size:clamp(3rem,10vw,5rem)}
  .products-filter{gap:8px}
  .filter-tag{padding:7px 14px;font-size:.62rem}
  .products-grid{grid-template-columns:1fr}
  .product-screenshot{height:260px}
  .product-info{padding:1.8rem 1.5rem 2rem}

  /* Clients */
  .work-hero{padding:8rem 5% 5rem;min-height:auto}
  .work-hero-title{font-size:clamp(3.5rem,12vw,7rem)}
  .hero-stats-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(232,98,26,.15);max-width:100%}
  .hero-stat{border-right:none;border-bottom:none;background:var(--dark-charcoal);padding:1.2rem}
  .client-inner{grid-template-columns:1fr!important;direction:ltr!important;gap:2.5rem;padding:3.5rem 0}
  .client-card.reverse .client-inner{direction:ltr!important}
  .client-index{top:-1rem;right:0;font-size:4rem}
  .trust-inner{grid-template-columns:1fr;gap:3rem}
  .trust-metrics{grid-template-columns:1fr 1fr}
  .work-cta{padding:5rem 5%}
  .work-cta h2{font-size:clamp(2rem,8vw,4rem)}
  .cta-action-row{flex-direction:column;align-items:center;gap:12px}
  .cta-action-row .btn-primary,.cta-action-row .btn-secondary{width:260px;text-align:center}
}

/* ══════════════ LARGE PHONE  ≤ 768px ══════════════ */
@media (max-width: 768px) {
  .hero-eyebrow{font-size:.62rem;letter-spacing:3px}
  .hero-logo-svg{width:75px;margin-bottom:1rem}
  .hero-title{font-size:clamp(3rem,15vw,5rem)}
  .hero-tagline{font-size:.9rem}
  .hero-scroll{bottom:1.5rem}
  .section-title{font-size:clamp(2rem,8vw,3.5rem)}
  .section-label{font-size:.62rem;letter-spacing:4px}
  .stats-bar{padding:2rem 5%}
  .stat-number{font-size:2.2rem}
  .service-name{font-size:1.15rem}
  .service-card{padding:1.8rem 1.5rem}
  .service-number{font-size:3rem}
  .about-tags{gap:6px}
  .about-tag{font-size:.6rem;padding:5px 10px}
  .pillar-name{font-size:.9rem}
  .pillar-desc{font-size:.82rem}
  .pfos-module-value{font-size:2.2rem}
  .form-input,.form-select,.form-textarea{padding:12px 14px;font-size:.85rem}
  .btn-submit{padding:16px;font-size:.8rem}
  .products-hero h1{font-size:clamp(2.5rem,10vw,4.5rem)}
  .product-name{font-size:1.6rem}
  .product-actions{flex-direction:column;gap:10px}
  .btn-demo,.btn-enquire{width:100%;text-align:center}
  .products-count-bar{padding:0 5% 1.5rem}
  .work-hero-sub{font-size:.9rem}
  .client-name{font-size:clamp(1.8rem,6vw,2.8rem)}
  .client-desc{font-size:.85rem}
  .tech-tag{font-size:.6rem;padding:4px 10px}
  .mockup-url{font-size:.62rem}
  .trust-metric-num{font-size:2.8rem}
  .section-divider{padding:2rem 5%}
}

/* ══════════════ PHONE  ≤ 640px ══════════════ */
@media (max-width: 640px) {
  nav{padding:0 4%;height:64px}
  .nav-logo-text{font-size:1.4rem}
  .nav-logo-icon{width:32px;height:32px}
  .nav-links{top:64px}
  .hero-content{padding:0 1rem}
  .hero-logo-svg{width:65px}
  .hero-title{font-size:clamp(2.8rem,16vw,4.5rem);letter-spacing:2px}
  .hero-tagline{font-size:.85rem;margin:1rem 0 2rem}
  .hero-glow-center{width:100%}
  .btn-primary,.btn-secondary{width:220px;padding:13px 20px;font-size:.78rem}
  .stats-inner{gap:.5rem}
  .stat-item{min-width:80px}
  .stat-number{font-size:1.8rem}
  .stat-label{font-size:.6rem;letter-spacing:1.5px}
  #services{padding:4rem 4%}
  .service-card{padding:1.5rem 1.2rem}
  .service-icon{width:44px;height:44px}
  .service-tag{font-size:.6rem}
  #about{padding:4rem 4%}
  .big-logo-svg{max-width:150px}
  .about-glow-box{padding:1.5rem}
  .about-pillars{gap:1.2rem}
  .pillar-num{font-size:1.5rem;min-width:1.5rem}
  .feature-band{padding:4rem 4%}
  .feature-band-content{gap:2rem}
  .feature-list li{font-size:.85rem}
  #pfos{padding:4rem 4%}
  .pfos-visual{grid-template-columns:1fr 1fr;gap:1px}
  .pfos-module{padding:1.2rem}
  .pfos-module-value{font-size:1.8rem}
  .pfos-module-label{font-size:.6rem;letter-spacing:1px}
  #contact{padding:4rem 4%}
  .contact-detail{gap:12px}
  .contact-detail-icon{width:34px;height:34px;flex-shrink:0}
  .contact-detail-text span{font-size:.82rem}
  .recaptcha-notice{flex-direction:column;gap:8px;text-align:center}
  footer{padding:2rem 4%;gap:.5rem}
  .footer-tagline{display:none}
  .whatsapp-fab{bottom:16px;right:16px}
  .whatsapp-fab a,.whatsapp-fab a::before{width:52px;height:52px}
  .whatsapp-fab svg{width:26px;height:26px}
  .whatsapp-fab a::after{display:none}
  .products-hero{padding:7rem 4% 3rem}
  .products-hero h1{font-size:clamp(2.2rem,12vw,4rem)}
  .products-hero p{font-size:.88rem}
  .products-filter{gap:6px}
  .filter-tag{padding:6px 12px;font-size:.6rem;letter-spacing:2px}
  .products-section{padding:3rem 4% 5rem}
  .products-count-bar{padding:0 4% 1rem}
  .product-screenshot{height:220px}
  .product-info{padding:1.5rem 1.2rem 1.8rem}
  .product-name{font-size:1.5rem}
  .product-features{gap:5px}
  .product-feature{font-size:.58rem;padding:4px 8px}
  .products-cta-strip{padding:3.5rem 4%}
  .products-cta-strip h2{font-size:clamp(1.8rem,8vw,3rem)}
  .products-cta-strip .cta-btns{flex-direction:column;align-items:center;gap:10px}
  .products-cta-strip .cta-btns .btn-primary,.products-cta-strip .cta-btns .btn-secondary{width:240px;text-align:center}
  .work-hero{padding:7rem 4% 4rem}
  .work-hero-title{font-size:clamp(2.8rem,14vw,5rem);letter-spacing:3px}
  .work-eyebrow{font-size:.6rem;letter-spacing:3px}
  .work-hero-sub{font-size:.85rem}
  .hero-stats-row{grid-template-columns:1fr 1fr}
  .hero-stat-num{font-size:1.8rem}
  .hero-stat-lbl{font-size:.58rem;letter-spacing:1.5px}
  .clients-section{padding:0 0 4rem}
  .client-card{padding:0 4%}
  .client-inner{padding:3rem 0;gap:2rem}
  .client-category{font-size:.58rem;letter-spacing:3px}
  .client-name{font-size:clamp(1.6rem,7vw,2.4rem);letter-spacing:2px}
  .client-desc{font-size:.82rem;line-height:1.7}
  .client-visit{font-size:.72rem;letter-spacing:2px}
  .mockup-frame{border-radius:8px}
  .mockup-bar{padding:8px 12px}
  .mockup-preview{aspect-ratio:16/9}
  .trust-section{padding:4rem 4%}
  .trust-metrics{grid-template-columns:1fr 1fr}
  .trust-metric{padding:1.8rem 1.2rem}
  .trust-metric-num{font-size:2.5rem}
  .work-cta{padding:4rem 4%}
  .section-divider{padding:2rem 4%}
  .section-divider-label{font-size:.58rem;letter-spacing:3px}
  .marquee-item{font-size:.65rem;letter-spacing:2px;padding:0 24px}
}

/* ══════════════ SMALL PHONE  ≤ 480px ══════════════ */
@media (max-width: 480px) {
  .nav-logo-text{font-size:1.2rem;letter-spacing:1px}
  .nav-logo-icon{width:28px;height:28px}
  .hero-title{font-size:clamp(2.5rem,18vw,4rem)}
  .hero-logo-svg{width:55px}
  .hero-eyebrow{font-size:.58rem;letter-spacing:2px}
  .btn-primary,.btn-secondary{width:200px;padding:12px 16px;font-size:.75rem;letter-spacing:2px}
  .stats-bar{padding:1.5rem 4%}
  .stat-number{font-size:1.6rem}
  .stat-label{font-size:.55rem}
  .section-title{font-size:clamp(1.8rem,9vw,3rem);letter-spacing:2px}
  .service-name{font-size:1rem}
  .service-desc{font-size:.82rem}
  .pfos-module-value{font-size:1.6rem}
  .pfos-module{padding:1rem}
  .product-screenshot{height:180px}
  .product-name{font-size:1.3rem;letter-spacing:1px}
  .product-tagline{font-size:.82rem}
  .product-desc{font-size:.8rem}
  .work-hero-title{font-size:clamp(2.4rem,16vw,4rem)}
  .client-name{font-size:clamp(1.5rem,8vw,2rem)}
  .trust-metrics{grid-template-columns:1fr 1fr;gap:1px}
  .trust-metric-num{font-size:2rem}
  .feature-quote{font-size:clamp(1.5rem,7vw,2.5rem)}
}