:root {
  --blue: #1a56db;
  --blue-dark: #0f3a99;
  --ink: #16223b;
  --gray: #5b6b85;
  --bg: #f6f8fb;
  --white: #ffffff;
  --green: #25d366;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Segoe UI", "Helvetica Neue", Arial, "Segoe UI Emoji", "Noto Color Emoji", sans-serif; color: var(--ink); background: var(--bg); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.25; }
a { color: var(--blue); }

/* HEADER */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid #e3e9f2; }
.header-top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 5vw; background: var(--blue-dark); color: #fff; font-size: .85rem;
}
.header-top a { color: #fff; text-decoration: none; font-weight: 700; }
.wa-chip { display: inline-flex; align-items: center; gap: 7px; background: var(--green); padding: 4px 14px; border-radius: 999px; font-weight: 700; }
.wa-chip svg { width: 15px; height: 15px; fill: #fff; }
.slogan { font-weight: 600; letter-spacing: .5px; opacity: .95; }
.header-main { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; padding: 14px 5vw; }
.logo { font-size: 1.45rem; font-weight: 800; letter-spacing: 2px; color: var(--blue-dark); text-decoration: none; }
.logo span { color: var(--blue); }

nav.main-nav ul { display: flex; gap: 26px; list-style: none; align-items: center; }
nav.main-nav > ul > li { position: relative; }
nav.main-nav a { text-decoration: none; color: var(--gray); font-weight: 600; font-size: .95rem; padding: 8px 0; display: inline-block; }
nav.main-nav a:hover { color: var(--blue); }
nav.main-nav .nav-cta { background: var(--blue); color: #fff !important; padding: 9px 20px; border-radius: 999px; }

/* Dropdown */
.dropdown-menu {
  position: absolute; top: 100%; left: -14px; min-width: 230px;
  background: #fff; border-radius: 12px; box-shadow: 0 16px 44px rgba(22,34,59,.16);
  padding: 10px; display: none; flex-direction: column; gap: 2px; border: 1px solid #e9eef7;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { display: flex; }
.dropdown-menu a { padding: 10px 14px; border-radius: 8px; }
.dropdown-menu a:hover { background: #eef3fc; color: var(--blue-dark); }
.dropdown-menu .dd-label { font-size: .7rem; font-weight: 800; letter-spacing: 1.5px; color: #9aa8c0; text-transform: uppercase; padding: 6px 14px 4px; }
.dropdown > a::after { content: " ▾"; font-size: .7rem; color: #9aa8c0; }

/* 3-level dropdown: category (2nd level) + sub-items (3rd level) */
.dropdown-menu a.dd-cat {
  font-weight: 800; color: var(--blue-dark); font-size: .95rem;
  background: #f2f6fd; border-radius: 8px; margin-top: 6px;
}
.dropdown-menu a.dd-cat:first-child { margin-top: 0; }
.dropdown-menu a.dd-cat span { float: right; color: var(--blue); font-weight: 800; }
.dropdown-menu a.dd-cat:hover { background: #e2ebfb; color: var(--blue); }
.dropdown-menu a.dd-sub {
  padding-left: 30px; font-size: .88rem; color: var(--gray); position: relative;
}
.dropdown-menu a.dd-sub::before { content: "·"; position: absolute; left: 18px; color: var(--blue); font-weight: 800; }
.dropdown-menu a.dd-sub:hover { color: var(--blue-dark); background: transparent; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.7rem; cursor: pointer; color: var(--ink); }

/* RESPONSIVE HEADER (fixes layout breaking on narrow screens) */
@media (max-width: 960px) {
  .header-top { flex-wrap: wrap; gap: 8px; font-size: .78rem; }
  .wa-chip { padding: 3px 10px; }
  .header-main { flex-wrap: wrap; }
  .nav-toggle { display: block; order: 2; margin-left: auto; }
  .logo { order: 1; }
  nav.main-nav { order: 3; width: 100%; flex-basis: 100%; }
  nav.main-nav ul {
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    width: 100%; padding: 8px 0; border-top: 1px solid #e3e9f2; margin-top: 10px;
  }
  nav.main-nav ul.open { display: flex; }
  nav.main-nav ul li { width: 100%; border-bottom: 1px solid #f0f3f9; }
  nav.main-nav ul li:last-child { border-bottom: none; }
  nav.main-nav a { display: block; padding: 12px 6px; font-size: 1rem; }
  nav.main-nav .nav-cta { display: block; text-align: center; margin: 10px 6px; }
  .dropdown > a::after { content: " ▾"; float: right; }
  .dropdown-menu {
    display: flex; position: static; box-shadow: none; border: none;
    background: #f7f9fd; border-radius: 0; min-width: 0; padding: 4px 0;
  }
  .dropdown-menu a { padding: 10px 14px 10px 28px; font-size: .92rem; }
  .hero { min-height: 56vh; }
  .hero-inner { padding: 10vw 6vw; }
  .trust { gap: 22px; }
  .trust b { font-size: 1.25rem; }
  section { padding: 52px 5vw; }
  .wa-float { width: 50px; height: 50px; bottom: 18px; right: 18px; }
  .wa-float svg { width: 26px; height: 26px; }
}
@media (max-width: 480px) {
  .header-top { justify-content: center; }
  .btn { display: block; text-align: center; margin: 10px 0; }
  .btn-ghost { margin-left: 0; }
}

/* HERO */
.hero {
  position: relative; min-height: 64vh;
  background: linear-gradient(100deg, rgba(15,58,153,.88) 0%, rgba(26,86,219,.55) 45%, rgba(22,34,59,.15) 100%),
    url("images/hero.png") center/cover no-repeat;
  display: flex; align-items: center; color: #fff;
}
.hero-inner { padding: 8vw 5vw; max-width: 660px; flex: 1 1 auto; width: 100%; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; margin-bottom: 16px; }
.hero p { font-size: 1.12rem; opacity: .93; margin-bottom: 28px; }
.btn { display: inline-block; padding: 13px 30px; border-radius: 999px; font-weight: 700; text-decoration: none; transition: .2s; }
.btn-primary { background: #fff; color: var(--blue-dark); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.btn-ghost { border: 2px solid rgba(255,255,255,.7); color: #fff; margin-left: 12px; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); }

/* CATEGORY TILES */
.cat-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; max-width: 1060px; margin: 0 auto; }
.cat-tile { position: relative; border-radius: 18px; overflow: hidden; min-height: 340px; display: flex; align-items: flex-end; text-decoration: none; color: #fff; box-shadow: 0 12px 34px rgba(22,34,59,.14); transition: .25s; grid-column: span 6; }
.cat-tile.sm { grid-column: span 3; min-height: 230px; }
.cat-tile.sm h3 { font-size: 1.05rem; }
.cat-tile.sm .cat-overlay { padding: 18px 20px; }
.cat-tile.sm p { font-size: .84rem; }
.cat-tile:hover { transform: translateY(-5px); }
.cat-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cat-tile .cat-overlay { position: relative; width: 100%; padding: 26px; background: linear-gradient(transparent, rgba(15,58,153,.92)); }
.cat-tile h3 { font-size: 1.4rem; }
.cat-tile p { opacity: .92; font-size: .95rem; }
.cat-tile .arrow { font-weight: 800; }
@media (max-width: 900px) { .cat-tile, .cat-tile.sm { grid-column: span 12; min-height: 260px; } .cat-tile h3 { font-size: 1.2rem; } }

/* TRUST BAR */
.trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 44px; padding: 30px 5vw; background: #fff; border-bottom: 1px solid #e3e9f2; }
.trust div { text-align: center; }
.trust b { display: block; font-size: 1.5rem; color: var(--blue-dark); }
.trust small { color: var(--gray); }

section { padding: 68px 5vw; }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 46px; }
.section-head .eyebrow { color: var(--blue); font-weight: 800; letter-spacing: 2px; text-transform: uppercase; font-size: .8rem; }
.section-head h2 { font-size: 2rem; margin: 8px 0 12px; }
.section-head p { color: var(--gray); }

/* BREADCRUMB */
.breadcrumb { padding: 16px 5vw 0; font-size: .85rem; color: var(--gray); }
.breadcrumb a { text-decoration: none; }

/* PRODUCTS */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 26px; max-width: 1100px; margin: 0 auto; }
.card { background: #fff; border-radius: 18px; overflow: hidden; box-shadow: 0 8px 28px rgba(22,34,59,.08); transition: .25s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(15,58,153,.16); }
.card img { height: 250px; width: 100%; object-fit: cover; }
.card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.tag { align-self: flex-start; font-size: .7rem; font-weight: 800; letter-spacing: 1px; color: var(--blue); background: #e8effd; padding: 4px 12px; border-radius: 999px; margin-bottom: 10px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--gray); font-size: .93rem; flex: 1; }
.card ul { list-style: none; margin: 12px 0 4px; }
.card li { font-size: .87rem; padding: 3px 0 3px 22px; position: relative; }
.card li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }

/* WHY */
.why { background: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 26px; max-width: 1100px; margin: 0 auto; }
.why-item { text-align: center; padding: 24px 18px; }
.why-item .icon { font-size: 2.1rem; margin-bottom: 10px; }
.why-item h3 { font-size: 1.02rem; margin-bottom: 8px; }
.why-item p { color: var(--gray); font-size: .9rem; }

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; }
details { background: #fff; border-radius: 12px; margin-bottom: 12px; padding: 18px 22px; box-shadow: 0 4px 16px rgba(22,34,59,.06); }
summary { font-weight: 700; cursor: pointer; list-style: none; }
summary::before { content: "+ "; color: var(--blue); font-weight: 800; }
details[open] summary::before { content: "− "; }
details p { margin-top: 10px; color: var(--gray); font-size: .94rem; }

/* TESTIMONIALS */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; max-width: 1060px; margin: 0 auto; }
.testi-card { background: #fff; border-radius: 16px; padding: 26px 24px; box-shadow: 0 10px 30px rgba(22,34,59,.08); display: flex; flex-direction: column; gap: 14px; }
.quote-mark { font-size: 2.6rem; line-height: .6; color: var(--blue); font-weight: 800; font-family: Georgia, serif; margin-top: 12px; }
.testi-card .quote { font-size: .96rem; color: #3c4a63; flex: 1; }
.testi-foot { display: flex; align-items: center; gap: 12px; }
.avatar { width: 44px; height: 44px; min-width: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: #fff; font-weight: 800; font-size: .9rem; display: flex; align-items: center; justify-content: center; }
.testi-foot strong { display: block; font-size: .95rem; }
.testi-foot span { display: block; font-size: .78rem; color: #8b98ad; margin-top: 2px; }
.testi-stat { font-size: .84rem; font-weight: 700; color: var(--blue-dark); background: #eef3fc; border-radius: 10px; padding: 9px 13px; }
.testi-cta { text-align: center; margin-top: 32px; }
@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr; } }

/* BLOG */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 26px; max-width: 1100px; margin: 0 auto; }
.post-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 28px rgba(22,34,59,.08); text-decoration: none; color: var(--ink); transition: .25s; display: block; }
.post-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(15,58,153,.15); }
.post-card img { height: 190px; width: 100%; object-fit: cover; }
.post-card .post-body { padding: 20px 22px; }
.post-card .meta { font-size: .78rem; color: var(--gray); letter-spacing: 1px; text-transform: uppercase; font-weight: 700; }
.post-card h3 { margin: 6px 0 8px; font-size: 1.08rem; }
.post-card p { color: var(--gray); font-size: .92rem; }
.article { max-width: 760px; margin: 0 auto; background: #fff; border-radius: 18px; padding: 40px 44px; box-shadow: 0 8px 28px rgba(22,34,59,.08); }
.article h1 { font-size: 1.9rem; margin-bottom: 8px; }
.article .meta { color: var(--gray); font-size: .85rem; margin-bottom: 24px; }
.article h2 { font-size: 1.3rem; margin: 26px 0 10px; color: var(--blue-dark); }
.article p, .article li { color: #38455e; }
.article ul, .article ol { margin: 10px 0 10px 22px; }
@media (max-width: 600px) { .article { padding: 26px 20px; } }

/* CONTACT */
.contact { background: var(--blue-dark); color: #fff; }
.contact-flex { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; max-width: 1060px; margin: 0 auto; align-items: start; }
@media (max-width: 820px) { .contact-flex { grid-template-columns: 1fr; } }
.contact h2 { font-size: 1.9rem; margin-bottom: 12px; }
.contact .info-item { margin: 14px 0; display: flex; gap: 12px; align-items: flex-start; }
.contact .info-item b { display: block; font-size: .8rem; letter-spacing: 1.5px; text-transform: uppercase; opacity: .75; }
.contact .info-item a { color: #fff; text-decoration: none; font-weight: 700; }
.contact-form { background: #fff; border-radius: 16px; padding: 28px; color: var(--ink); }
.contact-form label { display: block; font-weight: 700; font-size: .85rem; margin: 14px 0 5px; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 12px 14px; border: 1px solid #d7dfec; border-radius: 10px; font-size: .95rem; font-family: inherit;
}
.contact-form button { margin-top: 18px; width: 100%; padding: 14px; border: none; border-radius: 999px; background: var(--blue); color: #fff; font-weight: 800; font-size: 1rem; cursor: pointer; }
.contact-form button:hover { background: var(--blue-dark); }

/* FOOTER */
footer { background: #101a30; color: #aeb9cf; padding: 46px 5vw 26px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 34px; max-width: 1100px; margin: 0 auto 30px; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
footer h4 { color: #fff; font-size: .95rem; margin-bottom: 12px; }
footer ul { list-style: none; }
footer li { margin: 7px 0; font-size: .9rem; }
footer a { color: #aeb9cf; text-decoration: none; }
footer a:hover { color: #fff; }
.footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; font-size: .82rem; }

/* B2B STRIP */
.b2b-strip { display: flex; justify-content: space-between; align-items: center; gap: 30px; max-width: 1060px; margin: 0 auto; flex-wrap: wrap; }
.b2b-strip h2 { font-size: 1.7rem; margin-bottom: 8px; }
.b2b-strip p { opacity: .9; max-width: 560px; }

/* ABOUT */
.about-lead { max-width: 800px; margin: 0 auto 44px; text-align: center; font-size: 1.08rem; color: #3c4a63; }
.about-row { display: flex; align-items: center; gap: 44px; max-width: 1060px; margin: 0 auto 48px; }
.about-row.rev { flex-direction: row-reverse; }
.about-row img { width: 46%; border-radius: 18px; box-shadow: 0 12px 34px rgba(22,34,59,.14); object-fit: cover; }
.about-row .about-txt { flex: 1; }
.about-txt h3 { font-size: 1.5rem; margin-bottom: 14px; }
.about-txt p { color: var(--gray); margin-bottom: 12px; }
.about-checks { list-style: none; margin-top: 10px; }
.about-checks li { position: relative; padding: 6px 0 6px 30px; color: #3c4a63; font-size: .95rem; }
.about-checks li::before { content: "\2713"; position: absolute; left: 2px; top: 6px; color: var(--blue); font-weight: 800; }
.about-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; max-width: 1060px; margin: 0 auto; }
.about-stat { background: #eef3fc; color: var(--blue-dark); font-weight: 800; font-size: .9rem; padding: 10px 20px; border-radius: 999px; }
@media (max-width: 800px) {
  .about-row, .about-row.rev { flex-direction: column; gap: 24px; margin-bottom: 36px; }
  .about-row img { width: 100%; }
  .about-lead { margin-bottom: 32px; }
}

/* QUOTE FORM */
.quote-form-wrap { max-width: 680px; margin: 0 auto; background: #fff; border-radius: 18px; padding: 34px; box-shadow: 0 12px 40px rgba(15,58,153,.14); }
@media (max-width: 600px) { .quote-form-wrap { padding: 24px 18px; } }

/* FACTORY SECTION */
.factory-flex { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; max-width: 1100px; margin: 0 auto; }
.factory-img { border-radius: 18px; box-shadow: 0 18px 44px rgba(15,58,153,.18); width: 100%; }
.factory-points .why-item { padding: 14px 0; }
.factory-points h3 { margin-bottom: 6px; font-size: 1.02rem; }
@media (max-width: 820px) { .factory-flex { grid-template-columns: 1fr; } }

/* FLOATING WHATSAPP */
.wa-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%; background: var(--green);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px rgba(37,211,102,.45); transition: .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* BRAND SHOWCASE (image slideshow, replaces video) */
.showcase { max-width: 900px; margin: 0 auto; border-radius: 18px; overflow: hidden; box-shadow: 0 24px 60px rgba(15,58,153,.18); position: relative; aspect-ratio: 16/9; background: #000; }
.showcase img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; animation: showcaseFade 16s infinite; }
.showcase img:nth-child(1) { animation-delay: 0s; }
.showcase img:nth-child(2) { animation-delay: 4s; }
.showcase img:nth-child(3) { animation-delay: 8s; }
.showcase img:nth-child(4) { animation-delay: 12s; }
@keyframes showcaseFade { 0% {opacity:0;} 5% {opacity:1;} 25% {opacity:1;} 30% {opacity:0;} 100% {opacity:0;} }