/* ============================================================
   KTech IT Solution Co. — Design System
   Brand derived from logo: deep blue gradient + charcoal navy
============================================================ */
:root{
  --brand-900:#0a2a52;
  --brand-800:#0d3a70;
  --brand-700:#124a8c;
  --brand-600:#1657a8;
  --brand-500:#1f6bc7;
  --brand-400:#3b82d6;
  --brand-100:#e8f1fc;
  --ink-900:#161b24;
  --ink-700:#2b3242;
  --ink-500:#5c6577;
  --ink-300:#98a1b3;
  --ink-100:#eef1f6;
  --accent-teal:#0fb98a;
  --accent-amber:#f5a524;
  --accent-red:#e5484d;
  --surface:#ffffff;
  --surface-soft:#f6f9fd;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(15,35,65,.06);
  --shadow-md:0 10px 30px rgba(15,35,65,.10);
  --shadow-lg:0 20px 50px rgba(15,35,65,.16);
  --font-body:'Manrope',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-head:'Sora',var(--font-body);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink-700);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-head);color:var(--ink-900);font-weight:700}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.section{padding:5rem 0}
.section-sm{padding:3rem 0}
@media (max-width:768px){.section{padding:3.25rem 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-600);background:var(--brand-100);
  padding:.4rem .9rem;border-radius:100px;margin-bottom:1rem;
}
.section-title{font-size:clamp(1.6rem,3.2vw,2.4rem);margin-bottom:.75rem;line-height:1.2}
.section-sub{color:var(--ink-500);font-size:1.05rem;max-width:640px}

/* ---------------- Buttons ---------------- */
.btn{border-radius:10px;font-weight:600;padding:.65rem 1.4rem;transition:.2s ease}
.btn-brand{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-800));
  color:#fff;border:none;box-shadow:0 8px 20px rgba(18,74,140,.28);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(18,74,140,.36);color:#fff}
.btn-outline-brand{border:2px solid var(--brand-600);color:var(--brand-700);background:transparent}
.btn-outline-brand:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.btn-accent{background:linear-gradient(135deg,var(--accent-amber),#e8890c);color:#fff;border:none}
.btn-accent:hover{color:#fff;transform:translateY(-2px)}
.btn-whatsapp{background:#25D366;color:#fff;border:none}
.btn-whatsapp:hover{background:#1ebe5a;color:#fff}
.btn-icon{width:42px;height:42px;border-radius:50%;background:var(--ink-100);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-700);border:none}
.btn-icon:hover{background:var(--brand-100);color:var(--brand-700)}
.btn-lg{padding:.85rem 2rem;font-size:1.05rem}
.btn-sm-pill{border-radius:100px;padding:.4rem 1rem;font-size:.85rem}

/* ---------------- Topbar / Navbar ---------------- */
.topbar{background:linear-gradient(90deg,var(--brand-900),var(--brand-700));color:#dbe8fb}
.topbar a{color:#dbe8fb}
.topbar a:hover{color:#fff}
.main-navbar{background:#fff;box-shadow:0 2px 16px rgba(15,35,65,.06);padding:.6rem 0}
.main-navbar .nav-link{font-weight:600;color:var(--ink-700);padding:.6rem 1rem!important;position:relative}
.main-navbar .nav-link:hover,.main-navbar .nav-link.active{color:var(--brand-600)}
.main-navbar .nav-link.active::after{content:"";position:absolute;left:1rem;right:1rem;bottom:.2rem;height:3px;background:var(--brand-500);border-radius:3px}
.cart-count-badge{position:absolute;top:-4px;right:-4px;background:var(--accent-red);color:#fff;font-size:.65rem;min-width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}
.nav-cta{margin-left:1rem}

/* ---------------- Hero ---------------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-700) 55%,var(--brand-500) 100%);
  padding:6.5rem 0 7rem;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 15% 20%,rgba(255,255,255,.12) 0,transparent 40%),
    radial-gradient(circle at 85% 80%,rgba(255,255,255,.10) 0,transparent 45%);
  pointer-events:none;
}
.hero .grid-overlay{
  position:absolute;inset:0;opacity:.15;
  background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 85%);
}
.hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.15}
.hero p.lead{color:#cfe0f7;font-size:1.15rem;max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.5rem}
.hero-badge{background:rgba(255,255,255,.12);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.2);border-radius:100px;padding:.4rem .9rem;font-size:.82rem;font-weight:600}
.hero-stats{display:flex;gap:2.2rem;margin-top:2.2rem;flex-wrap:wrap}
.hero-stats .num{font-family:var(--font-head);font-size:1.9rem;font-weight:800;color:#fff}
.hero-stats .lbl{color:#bcd3f2;font-size:.85rem}
.hero-visual{position:relative;z-index:1}
.hero-visual img{border-radius:20px;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.hero-mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.hero-mock-card{
  background:rgba(255,255,255,.08);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:1.4rem;color:#fff;display:flex;flex-direction:column;gap:.6rem;
  box-shadow:0 15px 35px rgba(0,0,0,.2);transition:.3s ease;
}
.hero-mock-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.14)}
.hero-mock-card i{font-size:1.6rem;color:#fff;background:linear-gradient(135deg,var(--accent-amber),#e8890c);width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center}
.hero-mock-card strong{display:block;font-family:var(--font-head);font-size:1rem}
.hero-mock-card span{display:block;font-size:.8rem;color:#cfe0f7}
.hero-mock-card.big{grid-column:span 1;grid-row:span 2;justify-content:center}
.hero-mock-card.wide{grid-column:span 2}

/* ---------------- Cards ---------------- */
.card-modern{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:.25s ease;overflow:hidden}
.card-modern:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}

.category-card{display:block;text-align:center;padding:2rem 1rem;border-radius:var(--radius-lg);background:var(--surface-soft);border:1px solid var(--ink-100);transition:.25s ease}
.category-card:hover{background:#fff;box-shadow:var(--shadow-md);transform:translateY(-4px)}
.category-card .icon-wrap{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--brand-500),var(--brand-800));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin:0 auto 1rem}
.category-card h6{margin:0;font-size:.95rem}

.product-card{position:relative;display:flex;flex-direction:column;height:100%}
.product-card .thumb{position:relative;aspect-ratio:1/1;background:var(--surface-soft);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card .thumb img{width:100%;height:100%;object-fit:contain;padding:1.2rem;transition:.35s ease}
.product-card:hover .thumb img{transform:scale(1.06)}
.product-card .badge-discount{position:absolute;top:.75rem;left:.75rem;background:var(--accent-red);color:#fff;font-size:.72rem;font-weight:700;padding:.3rem .6rem;border-radius:8px}
.product-card .badge-stock{position:absolute;top:.75rem;right:.75rem;font-size:.7rem;font-weight:700;padding:.3rem .6rem;border-radius:8px}
.product-card .body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}
.product-card .cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-600);font-weight:700}
.product-card h3{font-size:1rem;margin:.35rem 0 .5rem;line-height:1.35}
.product-card h3 a{color:var(--ink-900)}
.product-card .price-row{margin-top:auto;display:flex;align-items:baseline;gap:.5rem;padding-top:.6rem}
.product-card .price{font-family:var(--font-head);font-weight:800;color:var(--brand-700);font-size:1.15rem}
.product-card .price-old{text-decoration:line-through;color:var(--ink-300);font-size:.85rem}
.product-card .actions{display:flex;gap:.5rem;margin-top:.8rem}

.service-card, .software-card{padding:1.8rem;height:100%}
.service-card-img{margin:-1.8rem -1.8rem 1.2rem;border-radius:var(--radius-lg) var(--radius-lg) 0 0;overflow:hidden;aspect-ratio:16/9}
.service-card-img img{width:100%;height:100%;object-fit:cover}
.service-card .icon-badge, .software-card .icon-badge{width:56px;height:56px;border-radius:14px;background:var(--brand-100);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:1rem}
.service-card h3, .software-card h3{font-size:1.15rem}
.service-card .price-tag{font-weight:700;color:var(--brand-700)}
.software-card .demo-tag{display:inline-flex;align-items:center;gap:.35rem;background:#e8fbf4;color:var(--accent-teal);font-weight:700;font-size:.78rem;padding:.3rem .7rem;border-radius:100px;margin-bottom:.7rem}
.software-card ul.feat-list{list-style:none;padding:0;margin:.8rem 0}
.software-card ul.feat-list li{font-size:.88rem;color:var(--ink-500);padding:.25rem 0}
.software-card ul.feat-list li i{color:var(--accent-teal);margin-right:.5rem}

.testimonial-card{background:var(--surface-soft);border-radius:var(--radius-lg);padding:2rem;height:100%}
.testimonial-card .stars{color:var(--accent-amber);margin-bottom:.8rem}
.testimonial-card .who{display:flex;align-items:center;gap:.8rem;margin-top:1.2rem}
.testimonial-card .avatar{width:46px;height:46px;border-radius:50%;background:var(--brand-600);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}

.why-item{display:flex;gap:1rem;padding:1.2rem 0;border-bottom:1px solid var(--ink-100)}
.why-item:last-child{border-bottom:none}
.why-item .num{font-family:var(--font-head);font-weight:800;font-size:1.4rem;color:var(--brand-500);min-width:2.4rem}

.faq-accordion .accordion-item{border:1px solid var(--ink-100);border-radius:var(--radius-md)!important;margin-bottom:.8rem;overflow:hidden}
.faq-accordion .accordion-button{font-weight:700;color:var(--ink-900)}
.faq-accordion .accordion-button:not(.collapsed){background:var(--brand-100);color:var(--brand-700)}
.faq-accordion .accordion-button:focus{box-shadow:none}

/* ---------------- Section variants ---------------- */
.bg-soft{background:var(--surface-soft)}
.bg-dark-brand{background:linear-gradient(135deg,var(--brand-900),var(--brand-700));color:#fff}
.bg-dark-brand .section-sub{color:#c9dcf5}
.bg-dark-brand h2{color:#fff}

.cta-banner{
  background:linear-gradient(120deg,var(--brand-800),var(--brand-500));
  border-radius:var(--radius-lg);color:#fff;padding:3rem;
  position:relative;overflow:hidden;
}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--ink-900);color:#c4cbda}
.footer-logo{filter:brightness(0) invert(1)}
.footer-heading{color:#fff;font-family:var(--font-head);font-size:1rem;margin-bottom:1rem}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:.6rem;font-size:.92rem;color:#a7b0c2}
.footer-links a{color:#a7b0c2}
.footer-links a:hover{color:#fff}
.social-icon{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff}
.social-icon:hover{background:var(--brand-500)}
.footer-bottom{background:#0d1119;font-size:.85rem;color:#8a91a3}

.whatsapp-float{
  position:fixed;bottom:22px;right:22px;width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;box-shadow:0 10px 25px rgba(37,211,102,.5);z-index:1050;
  animation:pulse-wa 2.4s infinite;
}
@keyframes pulse-wa{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 14px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------------- Forms ---------------- */
.form-control,.form-select{border-radius:10px;border:1px solid #dfe4ee;padding:.65rem .9rem}
.form-control:focus,.form-select:focus{border-color:var(--brand-500);box-shadow:0 0 0 .2rem rgba(31,107,199,.14)}
.form-label{font-weight:600;color:var(--ink-700);font-size:.9rem}
.form-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:2.2rem}

/* ---------------- Misc ---------------- */
.breadcrumb-bar{background:var(--surface-soft);padding:1.2rem 0;border-bottom:1px solid var(--ink-100)}
.page-header{background:linear-gradient(135deg,var(--brand-900),var(--brand-700));color:#fff;padding:3.4rem 0}
.filter-sidebar{background:#fff;border:1px solid var(--ink-100);border-radius:var(--radius-md);padding:1.4rem}
.filter-sidebar h6{font-weight:700;margin-bottom:.8rem;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-500)}
.spec-table{width:100%}
.spec-table td{padding:.55rem .8rem;border-bottom:1px solid var(--ink-100);font-size:.92rem}
.spec-table td:first-child{color:var(--ink-500);font-weight:600;width:40%}

.step-badge{width:36px;height:36px;border-radius:50%;background:var(--brand-600);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;margin-right:.6rem}

.animate-up{opacity:0;transform:translateY(24px)}
.animate-up.is-visible{animation:fadeUp .7s ease forwards}
@keyframes fadeUp{to{opacity:1;transform:none}}

.swiper-pagination-bullet-active{background:var(--brand-600)!important}