/* =========================================================================
   A.S International — main stylesheet
   Palette: black/charcoal ink + teal accent (from logo tone)
   ========================================================================= */

:root{
	--ink:#14171c;
	--ink-2:#232a31;
	--ink-3:#39424c;
	--teal:#12a99e;
	--teal-d:#0c837b;
	--teal-l:#e7f6f4;
	--muted:#5b6670;
	--line:#e6eaed;
	--bg:#ffffff;
	--bg-alt:#f5f8f9;
	--white:#ffffff;
	--radius:14px;
	--radius-sm:8px;
	--shadow:0 10px 30px rgba(20,23,28,.08);
	--shadow-lg:0 20px 50px rgba(20,23,28,.14);
	--container:1180px;
	--ease:cubic-bezier(.22,.61,.36,1);
	--font-head:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
	--font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.asi-site{
	margin:0;font-family:var(--font-body);color:var(--ink-2);
	background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-d);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--teal)}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.2;margin:0 0 .5em}

.asi-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.asi-skip-link{position:absolute;left:-9999px}
.asi-skip-link:focus{left:16px;top:16px;background:#fff;padding:8px 16px;z-index:9999;border-radius:6px}

/* ---------- Typography helpers ---------- */
.asi-h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700}
.asi-h3{font-size:clamp(1.35rem,2.4vw,1.8rem);font-weight:600}
.asi-h4{font-size:1.15rem;font-weight:600}
.asi-center{text-align:center}
.asi-narrow{max-width:820px;margin-left:auto;margin-right:auto}
.asi-lead{font-size:1.12rem;color:var(--ink-3)}
.asi-eyebrow{display:inline-block;font-family:var(--font-head);font-weight:600;letter-spacing:.12em;
	text-transform:uppercase;font-size:.78rem;color:var(--teal-d);margin-bottom:.6rem}
.asi-richtext + .asi-btn{margin-top:1.8rem}
.asi-richtext p{margin:0 0 1rem}
.asi-richtext p:last-child{margin-bottom:0}
.asi-richtext ul{padding-left:1.2rem}

/* ---------- Buttons ---------- */
.asi-btn{
	display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;
	font-size:.95rem;padding:.8rem 1.7rem;border-radius:40px;cursor:pointer;border:2px solid transparent;
	transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
	line-height:1;white-space:nowrap;
}
.asi-btn:hover{transform:translateY(-2px)}
.asi-btn--accent{background:var(--teal);color:#fff}
.asi-btn--accent:hover{background:var(--teal-d);color:#fff;box-shadow:0 8px 20px rgba(18,169,158,.35)}
.asi-btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.asi-btn--outline:hover{border-color:var(--teal);color:var(--teal-d)}
.asi-btn--light{background:#fff;color:var(--ink)}
.asi-btn--light:hover{background:var(--teal-l);color:var(--teal-d)}

/* ---------- Sections ---------- */
.asi-section{padding:84px 0}
.asi-section--alt{background:var(--bg-alt)}
.asi-main{display:block}

/* ---------- Topbar ---------- */
.asi-topbar{background:var(--ink);color:#cfd6dc;font-size:.85rem}
.asi-topbar__inner{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:16px}
.asi-topbar__contact{display:flex;gap:22px;flex-wrap:wrap}
.asi-topbar__contact a{color:#cfd6dc;display:inline-flex;align-items:center;gap:6px}
.asi-topbar__contact a:hover{color:#fff}
.asi-topbar__contact .asi-ico{width:14px;height:14px;color:var(--teal)}
.asi-topbar__tag{color:#8b96a0;letter-spacing:.04em}

/* ---------- Header ---------- */
.asi-header{position:sticky;top:0;z-index:500;background:rgba(255,255,255,.96);
	backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line);
	transition:box-shadow .25s var(--ease)}
.asi-header.is-stuck{box-shadow:0 6px 24px rgba(20,23,28,.08)}
.asi-header__inner{display:flex;align-items:center;gap:24px;min-height:76px}
.asi-brand__link{display:flex;align-items:center;gap:12px}
.asi-brand__logo{width:52px;height:52px;object-fit:contain}
.asi-brand__text{display:flex;flex-direction:column;line-height:1.1}
.asi-brand__text strong{font-family:var(--font-head);font-weight:700;color:var(--ink);font-size:1.12rem;letter-spacing:.02em}
.asi-brand__text em{font-style:normal;font-size:.72rem;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.asi-nav{margin-left:auto}
.asi-menu{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.asi-menu a{display:block;font-family:var(--font-head);font-weight:500;font-size:.96rem;color:var(--ink-2);
	padding:.55rem .9rem;border-radius:8px;position:relative}
.asi-menu a::after{content:"";position:absolute;left:.9rem;right:.9rem;bottom:.35rem;height:2px;
	background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.asi-menu a:hover,.asi-menu .current-menu-item>a,.asi-menu .current_page_item>a{color:var(--teal-d)}
.asi-menu a:hover::after,.asi-menu .current-menu-item>a::after,.asi-menu .current_page_item>a::after{transform:scaleX(1)}
.asi-header__cta{margin-left:8px}
.asi-nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.asi-nav-toggle span{width:26px;height:2px;background:var(--ink);transition:.25s var(--ease)}
.asi-nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.asi-nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.asi-nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.asi-mobile-nav{border-top:1px solid var(--line);padding:16px 24px 24px;background:#fff}
.asi-mobile-nav .asi-menu{flex-direction:column;gap:2px}
.asi-mobile-nav .asi-menu a{padding:.75rem .5rem;border-bottom:1px solid var(--line)}
.asi-mobile-nav .asi-menu a::after{display:none}
.asi-mobile-nav .asi-btn{margin-top:14px;width:100%;justify-content:center}

/* ---------- Hero slider ---------- */
.asi-hero{position:relative;overflow:hidden;height:clamp(460px,72vh,680px)}
.asi-hero__track{position:relative;height:100%}
.asi-hero__slide{position:absolute;inset:0;background-size:cover;background-position:center;
	display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity .8s var(--ease)}
.asi-hero__slide.is-active{opacity:1;visibility:visible}
.asi-hero__overlay{position:absolute;inset:0;
	background:linear-gradient(90deg,rgba(20,23,28,.82) 0%,rgba(20,23,28,.55) 45%,rgba(20,23,28,.25) 100%)}
.asi-hero__inner{position:relative;z-index:2}
.asi-hero__content{max-width:640px;color:#fff}
.asi-hero__title{color:#fff;font-size:clamp(1.9rem,4.6vw,3.2rem);font-weight:800;margin-bottom:.6rem;
	opacity:0;transform:translateY(24px)}
.asi-hero__text{font-size:clamp(1rem,1.6vw,1.2rem);color:#e6eaed;margin-bottom:1.6rem;max-width:560px;
	opacity:0;transform:translateY(24px)}
.asi-hero__content .asi-btn{opacity:0;transform:translateY(24px)}
.asi-hero__slide.is-active .asi-hero__title{animation:asiUp .7s var(--ease) .15s forwards}
.asi-hero__slide.is-active .asi-hero__text{animation:asiUp .7s var(--ease) .3s forwards}
.asi-hero__slide.is-active .asi-btn{animation:asiUp .7s var(--ease) .45s forwards}
@keyframes asiUp{to{opacity:1;transform:none}}
.asi-hero__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:48px;height:48px;
	border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:1.6rem;cursor:pointer;
	backdrop-filter:blur(4px);transition:background .2s var(--ease);line-height:1}
.asi-hero__nav:hover{background:var(--teal)}
.asi-hero__nav--prev{left:20px}
.asi-hero__nav--next{right:20px}
.asi-hero__dots{position:absolute;bottom:22px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:3}
.asi-hero__dot{width:11px;height:11px;border-radius:50%;border:0;background:rgba(255,255,255,.45);cursor:pointer;transition:.2s var(--ease)}
.asi-hero__dot.is-active{background:var(--teal);width:28px;border-radius:6px}

/* ---------- Welcome / Split ---------- */
.asi-welcome__grid,.asi-split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.asi-split--rev{direction:rtl}
.asi-split--rev>*{direction:ltr}
.asi-welcome__media img,.asi-split__media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;
	aspect-ratio:4/3;object-fit:cover}
.asi-welcome__text .asi-btn,.asi-split__text .asi-btn{margin-top:1.4rem}

/* ---------- Features ---------- */
.asi-features__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.asi-feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;
	text-align:center;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.asi-feature:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.asi-feature__icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;
	border-radius:50%;background:var(--teal-l);color:var(--teal-d);margin-bottom:18px}
.asi-feature__icon .asi-ico{width:30px;height:30px}
.asi-feature__title{font-size:1.1rem;margin-bottom:.5rem}
.asi-feature__text{color:var(--muted);font-size:.95rem;margin:0}

/* ---------- Units ---------- */
.asi-units__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.asi-unit{display:block;border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow);
	background:#000}
.asi-unit__img{display:block;height:250px;background-size:cover;background-position:center;
	transition:transform .5s var(--ease);opacity:.92}
.asi-unit:hover .asi-unit__img{transform:scale(1.07);opacity:1}
.asi-unit__title{position:absolute;left:0;right:0;bottom:0;padding:26px 22px 18px;color:#fff;
	font-family:var(--font-head);font-weight:600;font-size:1.2rem;z-index:2;
	background:linear-gradient(180deg,transparent,rgba(20,23,28,.85))}

/* ---------- CTA ---------- */
.asi-cta{background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff}
.asi-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.asi-cta__title{color:#fff;margin-bottom:.3rem;font-size:clamp(1.5rem,3vw,2.1rem)}
.asi-cta__text{color:#c4ccd3;margin:0;max-width:560px}

/* ---------- Page hero ---------- */
.asi-page-hero{position:relative;background:var(--ink);background-size:cover;background-position:center;
	color:#fff;padding:120px 0 90px;text-align:center;overflow:hidden}
.asi-page-hero--sm{padding:80px 0 60px}
.asi-page-hero__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,23,28,.6),rgba(20,23,28,.78))}
.asi-page-hero__inner{position:relative;z-index:2}
.asi-page-hero__title{color:#fff;font-size:clamp(2rem,4.5vw,3rem);font-weight:800;margin:0}
.asi-page-hero__sub{color:#dbe1e6;margin:.8rem auto 0;max-width:680px;font-size:1.1rem}

/* ---------- Vision / Mission ---------- */
.asi-vm{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.asi-vm__card{background:#fff;border-radius:var(--radius);padding:40px 34px;box-shadow:var(--shadow);
	border-top:4px solid var(--teal)}
.asi-vm__icon{display:inline-flex;width:56px;height:56px;border-radius:14px;background:var(--teal-l);
	color:var(--teal-d);align-items:center;justify-content:center;margin-bottom:16px}
.asi-vm__icon .asi-ico{width:28px;height:28px}
.asi-vm__card p{color:var(--muted);margin:0}

/* ---------- Stats ---------- */
.asi-stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.asi-stat{text-align:center;padding:24px}
.asi-stat__num{display:block;font-family:var(--font-head);font-weight:800;font-size:clamp(1.8rem,3.4vw,2.6rem);
	color:var(--teal-d);line-height:1}
.asi-stat__label{display:block;margin-top:.5rem;color:var(--muted);font-size:.95rem}

/* ---------- MD message / owner ---------- */
.asi-md__grid{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:center}
.asi-md__photo img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;height:auto;display:block}
.asi-md__sign{margin-top:1.4rem;line-height:1.5}
.asi-md__sign strong{font-family:var(--font-head);color:var(--ink);font-size:1.1rem}
.asi-md__sign span{color:var(--teal-d)}

/* ---------- Products page ---------- */
.asi-product{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;
	border-bottom:1px solid var(--line)}
.asi-product:last-child{border-bottom:0}
.asi-product--rev .asi-product__media{order:2}
.asi-product__media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:3/2;object-fit:cover}
.asi-product__desc{color:var(--ink-3)}
.asi-product__specs{margin:1.2rem 0 0;display:grid;gap:.7rem}
.asi-product__specs>div{display:grid;grid-template-columns:180px 1fr;gap:14px;padding:.7rem 0;border-top:1px dashed var(--line)}
.asi-product__specs dt{font-family:var(--font-head);font-weight:600;color:var(--ink);font-size:.9rem;margin:0}
.asi-product__specs dd{margin:0;color:var(--muted);font-size:.95rem}

/* ---------- Certifications ---------- */
.asi-certs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;margin-top:44px;justify-content:center}
.asi-cert{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
	box-shadow:var(--shadow);transition:transform .25s var(--ease)}
.asi-cert:hover{transform:translateY(-6px)}
.asi-cert__img{background:var(--bg-alt);padding:24px;display:flex;justify-content:center}
.asi-cert__img img{max-height:380px;width:auto;border-radius:6px}
.asi-cert__cap{padding:22px 24px}
.asi-cert__cap h3{margin-bottom:.35rem}
.asi-cert__cap p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- Contact ---------- */
.asi-contact{display:grid;grid-template-columns:380px 1fr;gap:48px;align-items:start}
.asi-infocard{display:flex;gap:16px;align-items:flex-start;padding:20px;background:#fff;border:1px solid var(--line);
	border-radius:var(--radius);margin-bottom:16px}
.asi-infocard__ic{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:var(--teal-l);color:var(--teal-d);
	display:inline-flex;align-items:center;justify-content:center}
.asi-infocard__ic .asi-ico{width:22px;height:22px}
.asi-infocard h4{margin:0 0 .2rem;font-size:1rem}
.asi-infocard p{margin:0;color:var(--muted);font-size:.95rem}
.asi-contact__form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.asi-form{display:grid;gap:16px;margin-top:1rem}
.asi-form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.asi-form label{display:grid;gap:6px;font-size:.9rem;font-weight:500;color:var(--ink-2)}
.asi-form input,.asi-form textarea{font-family:var(--font-body);font-size:1rem;padding:.75rem .9rem;
	border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.asi-form input:focus,.asi-form textarea:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-l)}
.asi-form .asi-btn{justify-self:start;margin-top:.4rem}
.asi-form__note{font-size:.85rem;color:var(--muted);margin:0}
.asi-hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.asi-form-notice{padding:.9rem 1.1rem;border-radius:var(--radius-sm);font-size:.95rem;margin-bottom:.6rem}
.asi-form-notice--ok{background:#e7f7ef;color:#1f7a4d;border:1px solid #bfe6d1}
.asi-form-notice--err{background:#fdecec;color:#b23b3b;border:1px solid #f3c9c9}
.asi-map{line-height:0}
.asi-map iframe{display:block}

/* ---------- Footer ---------- */
.asi-footer{background:var(--ink);color:#aeb8c1;font-size:.95rem}
.asi-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px}
.asi-footer__logo{width:78px;height:78px;object-fit:contain;margin-bottom:16px}
.asi-footer__desc{color:#8f9aa4;margin:0 0 18px;max-width:340px}
.asi-footer__meta p{margin:0 0 12px}
.asi-footer__meta strong{color:#fff;font-family:var(--font-head);font-weight:600;font-size:.85rem}
.asi-footer__meta a{color:#aeb8c1}
.asi-footer__meta a:hover{color:var(--teal)}
.asi-footer__social{display:flex;gap:16px;margin-top:8px}
.asi-footer__social a{color:var(--teal)}
.asi-footer__title{color:#fff;font-size:1.05rem;margin-bottom:18px}
.asi-footer-menu{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.asi-footer-menu a{color:#aeb8c1}
.asi-footer-menu a:hover{color:var(--teal);padding-left:4px}
.asi-footer__address{color:#8f9aa4;margin:0}
.asi-footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.asi-footer__bottom p{margin:0;color:#78848e;font-size:.88rem;text-align:center}

/* ---------- Back to top ---------- */
.asi-to-top{position:fixed;right:24px;bottom:24px;z-index:400;width:46px;height:46px;border-radius:50%;border:0;
	background:var(--teal);color:#fff;font-size:1.3rem;cursor:pointer;box-shadow:var(--shadow);
	opacity:0;transform:translateY(12px);transition:.25s var(--ease)}
.asi-to-top.is-show{opacity:1;transform:none}
.asi-to-top:hover{background:var(--teal-d)}

/* ---------- Reveal on scroll ---------- */
.asi-reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease);
	transition-delay:var(--d,0s)}
.asi-reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
	.asi-reveal{opacity:1;transform:none;transition:none}
	.asi-hero__slide.is-active .asi-hero__title,
	.asi-hero__slide.is-active .asi-hero__text,
	.asi-hero__slide.is-active .asi-btn{animation:none;opacity:1;transform:none}
	html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
	.asi-features__grid{grid-template-columns:repeat(2,1fr)}
	.asi-stats__grid{grid-template-columns:repeat(2,1fr)}
	.asi-units__grid{grid-template-columns:repeat(2,1fr)}
	.asi-md__grid{grid-template-columns:260px 1fr;gap:32px}
	.asi-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
	.asi-header__cta{display:none}
	.asi-nav{display:none}
	.asi-nav-toggle{display:flex}
	.asi-welcome__grid,.asi-split,.asi-vm,.asi-contact,.asi-product,.asi-md__grid{grid-template-columns:1fr;gap:32px}
	.asi-split--rev{direction:ltr}
	.asi-product--rev .asi-product__media{order:0}
	.asi-md__grid{text-align:center}
	.asi-md__photo{max-width:280px;margin:0 auto}
	.asi-topbar__tag{display:none}
	.asi-section{padding:56px 0}
	/* Footer: single column with clear separation between blocks */
	.asi-footer__grid{grid-template-columns:1fr;gap:40px;padding:52px 0 40px}
	.asi-footer__col{text-align:left}
	.asi-cta__inner{padding:48px 0;gap:24px}
}
@media (max-width:560px){
	.asi-features__grid,.asi-units__grid,.asi-stats__grid{grid-template-columns:1fr}
	.asi-form__row{grid-template-columns:1fr}
	.asi-product__specs>div{grid-template-columns:1fr}
	.asi-cta__inner{flex-direction:column;align-items:flex-start;text-align:left}
	.asi-topbar__contact{gap:14px;font-size:.8rem}
	.asi-section{padding:48px 0}
	.asi-container{padding:0 20px}
	.asi-contact__form{padding:26px 22px}
	.asi-hero__content{padding-right:8px}
	/* keep the back-to-top button clear of footer text */
	.asi-footer__bottom{padding-bottom:26px}
	.asi-to-top{right:16px;bottom:16px}
}