/* =====================================================================
   LIN COSMETIC — 2026 rebuild
   Palette: deep navy + bright brand blue (from logo) + silver/platinum
   ===================================================================== */
:root{
  --navy:#003a73;
  --navy-deep:#002545;
  --blue:#0a6db3;
  --accent:#2aa0e5;          /* bright brand blue */
  --accent-soft:#eaf5fd;
  --ink:#0d1522;
  --slate:#465667;
  --muted:#5d6b7c;
  --line:#e5eaf0;
  --platinum:#f3f6f9;
  --silver:#c9d3dd;
  --paper:#ffffff;

  --serif:'Playfair Display', Georgia, serif;
  --sans:'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --r-sm:10px; --r:16px; --r-lg:22px; --r-xl:30px;
  --shadow-s:0 4px 14px rgba(13,21,34,.06);
  --shadow-m:0 14px 34px rgba(13,21,34,.10);
  --shadow-l:0 30px 60px -18px rgba(13,21,34,.28);
  --shadow-blue:0 18px 40px -12px rgba(10,109,179,.45);

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --container:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:88px; scrollbar-gutter:stable; -webkit-text-size-adjust:100%}
body{
  font-family:var(--sans); color:var(--slate); background:var(--paper);
  font-size:16px; line-height:1.65; overflow-x:hidden;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{max-width:100%; height:auto; display:block}
a{color:inherit; text-decoration:none; transition:color .25s var(--ease)}
ul{list-style:none}
button{font-family:inherit; cursor:pointer; border:none; background:none}
input,select,textarea{font-family:inherit}
svg.icon{width:1.15em; height:1.15em; fill:none; flex:none}
[hidden]{display:none !important}

h1,h2,h3,h4{font-family:var(--serif); color:var(--ink); font-weight:700; line-height:1.3; letter-spacing:normal; word-spacing:.02em}
.container{width:100%; max-width:var(--container); margin:0 auto; padding:0 22px}
.section{padding:clamp(64px,9vw,120px) 0; position:relative}
.section--tint{background:var(--platinum)}

/* selection */
::selection{background:var(--accent); color:#fff}

/* ---------- eyebrow / heads ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:.8rem; font-weight:700; letter-spacing:.18em; text-transform:uppercase;
  color:var(--blue); margin-bottom:16px;
}
.eyebrow::before{content:""; width:30px; height:2px; background:linear-gradient(90deg,var(--accent),transparent)}
.eyebrow--light{color:var(--accent)}
.section__title{
  font-size:clamp(1.85rem,4vw,3rem); line-height:1.3; margin-bottom:16px;
}
.section__head{max-width:680px; margin:0 auto clamp(38px,5vw,60px); text-align:center}
.section__head .eyebrow::after{content:""; width:30px; height:2px; background:linear-gradient(90deg,transparent,var(--accent))}
.section__sub{color:var(--muted); font-size:1.05rem; margin-top:6px}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--navy);
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:13px 26px; border-radius:100px; font-weight:700; font-size:.98rem;
  color:#fff; position:relative; overflow:hidden; isolation:isolate;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), color .3s;
  will-change:transform;
}
.btn svg.icon{width:1.1em;height:1.1em;transition:transform .3s var(--ease)}
.btn--primary{background:linear-gradient(120deg,var(--navy),var(--blue)); box-shadow:var(--shadow-blue)}
.btn--primary::before{
  content:""; position:absolute; inset:0; z-index:-1; opacity:0;
  background:linear-gradient(120deg,var(--blue),var(--accent)); transition:opacity .35s var(--ease);
}
.btn--primary:hover{transform:translateY(-3px); box-shadow:0 24px 46px -12px rgba(10,109,179,.6)}
.btn--primary:hover::before{opacity:1}
.btn--primary:hover svg.icon{transform:translateX(4px)}
.btn--ghost{background:rgba(255,255,255,.08); color:#fff; border:1.5px solid rgba(255,255,255,.55); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px)}
.btn--ghost:hover{background:#fff; color:var(--navy); border-color:#fff; transform:translateY(-3px)}
.btn--ghost:hover svg.icon{transform:translateX(4px)}
.btn--lg{padding:16px 34px; font-size:1.05rem}
.btn--block{width:100%}
.link-arrow{display:inline-flex; align-items:center; gap:8px; font-weight:700; color:var(--navy)}
.link-arrow svg.icon{width:1.1em;height:1.1em; transition:transform .3s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg.icon{transform:translateX(4px)}

/* ---------- preloader ---------- */
.preloader{
  position:fixed; inset:0; z-index:3000; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:26px;
  background:radial-gradient(120% 120% at 50% 30%,#0a3d70,#00203d);
  transition:opacity .7s var(--ease), visibility .7s;
}
.preloader.done{opacity:0; visibility:hidden}
.preloader__mark{font-family:var(--serif); font-size:clamp(1.8rem,6vw,2.6rem); font-weight:700; letter-spacing:2px; display:flex; gap:.4em}
.preloader__lin{color:#fff; opacity:0; animation:plIn .6s var(--ease-out) .1s forwards}
.preloader__cos{color:var(--accent); opacity:0; animation:plIn .6s var(--ease-out) .28s forwards}
@keyframes plIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.preloader__bar{width:150px; height:3px; border-radius:3px; background:rgba(255,255,255,.15); overflow:hidden}
.preloader__bar span{display:block; height:100%; width:40%; border-radius:3px; background:linear-gradient(90deg,var(--accent),#fff); animation:plBar 1s var(--ease) infinite}
@keyframes plBar{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed; top:0; left:0; height:3px; width:0; z-index:1600;
  background:linear-gradient(90deg,var(--accent),var(--blue)); transition:width .1s linear}

/* ---------- header ---------- */
#header{
  position:fixed; top:0; left:0; width:100%; z-index:1200; padding:20px 0;
  transition:padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
#header.scrolled{background:rgba(255,255,255,.92); -webkit-backdrop-filter:blur(12px) saturate(1.2); backdrop-filter:blur(12px) saturate(1.2);
  padding:11px 0; box-shadow:0 6px 24px rgba(13,21,34,.08)}
.nav-wrapper{display:flex; align-items:center; justify-content:space-between; gap:20px}

.logo{display:inline-flex; align-items:center; gap:11px; color:#fff}
.logo__mark{display:inline-flex; color:var(--accent); transition:transform .5s var(--ease)}
.logo:hover .logo__mark{transform:rotate(-6deg) scale(1.05)}
.logo__text{font-family:var(--serif); font-weight:700; font-size:1.5rem; letter-spacing:.5px; line-height:1}
.logo__text span{font-weight:500; color:var(--silver); margin-left:.28em}
#header.scrolled .logo{color:var(--ink)}
#header.scrolled .logo__text span{color:var(--blue)}

.nav-links{display:flex; align-items:center; gap:6px}
.nav-links>a:not(.btn){
  color:#fff; font-weight:600; font-size:.95rem; padding:9px 14px; border-radius:100px; position:relative;
}
.nav-links>a:not(.btn)::after{
  content:""; position:absolute; left:14px; right:14px; bottom:5px; height:2px; border-radius:2px;
  background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform .3s var(--ease);
}
.nav-links>a:not(.btn):hover::after,.nav-links>a.active::after{transform:scaleX(1)}
#header.scrolled .nav-links>a:not(.btn){color:var(--ink)}
.nav-cta{margin-left:10px; padding:11px 22px !important}

.menu-toggle{display:none; position:relative; z-index:1250; color:#fff; width:44px; height:44px; align-items:center; justify-content:center; border-radius:12px}
.menu-toggle svg.icon{width:26px;height:26px}
#header.scrolled .menu-toggle{color:var(--ink)}
.menu-toggle[aria-expanded="true"]{color:var(--ink)}
.nav-overlay{position:fixed; inset:0; background:rgba(6,17,32,.55); -webkit-backdrop-filter:blur(3px); backdrop-filter:blur(3px); z-index:1150; opacity:0; visibility:hidden; transition:.35s var(--ease)}
.nav-overlay.active{opacity:1; visibility:visible}

/* ---------- hero ---------- */
.hero{position:relative; height:100vh; height:100svh; min-height:620px; display:flex; align-items:center; padding:88px 0 80px; overflow:hidden; background:#04203c}
.hero__slider{position:absolute; inset:0; z-index:1}
.hero__slide{position:absolute; inset:0; opacity:0; transition:opacity 1.1s var(--ease)}
.hero__slide.is-active{opacity:1}
.hero__media{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.hero__img{background-size:cover; background-position:center; transform:scale(1.05); transition:transform 7s linear}
.hero__slide.is-active .hero__img{transform:scale(1.16)}
.hero__slide.is-active video.hero__media{animation:heroZoom 8s linear forwards}
@keyframes heroZoom{from{transform:scale(1.02)}to{transform:scale(1.12)}}
.hero__overlay{position:absolute; inset:0; z-index:2; pointer-events:none;
  background:linear-gradient(105deg,rgba(3,20,38,.86) 0%,rgba(3,20,38,.55) 42%,rgba(3,20,38,.2) 100%),
             linear-gradient(0deg,rgba(3,20,38,.55),transparent 40%)}

.hero__content{position:relative; z-index:3; max-width:720px; color:#fff}
.hero__badge{display:inline-flex; align-items:center; gap:9px; padding:8px 16px; border-radius:100px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.22); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  font-size:.85rem; font-weight:600; letter-spacing:.02em; margin-bottom:24px}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(42,160,229,.7);animation:pulseDot 2s infinite}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(42,160,229,.6)}70%{box-shadow:0 0 0 10px rgba(42,160,229,0)}100%{box-shadow:0 0 0 0 rgba(42,160,229,0)}}
.hero__title{font-size:clamp(2.6rem,6.4vw,5rem); color:#fff; margin-bottom:22px; line-height:1.3; letter-spacing:normal}
.hero__title em{font-style:italic; color:var(--accent); position:relative}
.hero__desc{font-size:clamp(1rem,1.6vw,1.2rem); color:rgba(255,255,255,.85); max-width:560px; margin-bottom:34px}
.hero__btns{display:flex; flex-wrap:wrap; gap:14px; margin-bottom:34px}
.hero__chips{display:flex; flex-wrap:wrap; gap:10px 22px}
.hero__chips li{display:flex; align-items:center; gap:8px; font-size:.92rem; font-weight:600; color:rgba(255,255,255,.9)}
.hero__chips svg.icon{width:1.1em;height:1.1em; color:var(--accent); stroke:var(--accent)}

.hero__controls{position:absolute; bottom:30px; left:50%; transform:translateX(-50%); z-index:4; display:flex; align-items:center; gap:12px}
.hero__dots{display:flex; align-items:center; gap:3px}
/* Note-head dots that stretch into a filling "playback" bar */
.hero__dots .dot{padding:14px 5px; background:none; display:flex; align-items:center; cursor:pointer}
.hero__dots .dot .bar{position:relative; width:11px; height:11px; border-radius:50%; background:rgba(255,255,255,.42);
  overflow:hidden; transition:width .55s var(--ease-out), border-radius .55s var(--ease-out), background .3s}
.hero__dots .dot:hover .bar{background:rgba(255,255,255,.72)}
.hero__dots .dot.active .bar{width:60px; border-radius:20px; background:rgba(255,255,255,.26)}
.hero__dots .dot .fill{position:absolute; left:0; top:0; bottom:0; width:0; border-radius:inherit;
  background:linear-gradient(90deg,var(--blue),var(--accent) 55%,#e6f4fd)}
.hero__dots .dot.active .fill{animation:dotFill var(--dur,5s) linear forwards}
.hero.is-paused .hero__dots .dot.active .fill{animation-play-state:paused}
@keyframes dotFill{from{width:0}to{width:100%}}
.hero__pause{width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.14); color:#fff; display:flex; align-items:center; justify-content:center; border:1px solid rgba(255,255,255,.28); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); transition:background .3s var(--ease)}
.hero__pause:hover{background:rgba(255,255,255,.3)}
.hero__pause svg.icon{width:16px; height:16px; fill:#fff}
.hero__content{transition:opacity .6s var(--ease)}
.hero__dots button{width:32px; height:4px; padding:15px 0; box-sizing:content-box; background-clip:content-box; border-radius:8px; background:rgba(255,255,255,.4); transition:background .3s, width .3s}
.hero__dots button.active{background:var(--accent); background-clip:content-box; width:46px}
.hero__scroll{position:absolute; right:34px; bottom:38px; z-index:4; width:26px; height:44px; border:2px solid rgba(255,255,255,.5); border-radius:100px; display:flex; justify-content:center; padding-top:7px}
.hero__scroll span{width:4px; height:9px; border-radius:3px; background:#fff; animation:scrollCue 1.6s var(--ease) infinite}
@keyframes scrollCue{0%{opacity:0;transform:translateY(-4px)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

.only-mobile{display:none}

/* ---------- stats ---------- */
.stats{background:linear-gradient(120deg,var(--navy),var(--blue)); padding:0}
.stats__grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; padding:46px 22px}
.stat{text-align:center; color:#fff; position:relative}
.stat:not(:last-child)::after{content:""; position:absolute; right:-10px; top:15%; height:70%; width:1px; background:rgba(255,255,255,.18)}
.stat__num{font-family:var(--serif); font-size:clamp(2.2rem,4vw,3.2rem); font-weight:700; line-height:1; color:#fff; display:flex; justify-content:center; align-items:baseline}
.stat p{color:rgba(255,255,255,.82); font-size:.92rem; margin-top:8px}

/* ---------- about ---------- */
.about__grid{display:grid; grid-template-columns:1fr 1fr; gap:clamp(36px,5vw,70px); align-items:center}
.about__visual{position:relative}
.about__frame{border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-l); aspect-ratio:16/11}
.about__frame img{width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease)}
.about__visual:hover .about__frame img{transform:scale(1.05)}
.about__mini{position:absolute; bottom:-34px; left:-26px; display:flex; gap:12px; width:56%}
.about__mini img{width:50%; aspect-ratio:1/1; object-fit:cover; border-radius:14px; border:4px solid #fff; box-shadow:var(--shadow-m)}
.about__badge{position:absolute; top:-24px; right:-16px; background:linear-gradient(140deg,var(--navy),var(--blue)); color:#fff;
  width:120px; height:120px; border-radius:50%; display:flex; flex-direction:column; align-items:center; justify-content:center;
  box-shadow:var(--shadow-blue); border:5px solid #fff; text-align:center}
.about__badge strong{font-family:var(--serif); font-size:2.1rem; line-height:1}
.about__badge span{font-size:.72rem; margin-top:3px; line-height:1.2}
.about__lead{font-family:var(--serif); font-style:italic; color:var(--blue); font-size:1.15rem; margin-bottom:12px}
.about__text p{margin-bottom:18px}
.feature-list{margin:22px 0 28px; display:flex; flex-direction:column; gap:14px}
.feature-list li{display:flex; align-items:flex-start; gap:13px; font-weight:600; color:var(--ink)}
.feature-list__ic{flex:none; width:38px; height:38px; border-radius:11px; background:var(--accent-soft); color:var(--blue);
  display:flex; align-items:center; justify-content:center}
.feature-list__ic svg.icon{width:20px;height:20px; stroke:var(--blue)}
.about__actions{display:flex; align-items:center; gap:24px; flex-wrap:wrap}

/* ---------- services ---------- */
.services__grid{display:grid; grid-template-columns:repeat(3,1fr); gap:26px}
.service-card{position:relative; background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:38px 30px; overflow:hidden; transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s}
.service-card::before{content:""; position:absolute; left:0; top:0; height:4px; width:100%;
  background:linear-gradient(90deg,var(--accent),var(--blue)); transform:scaleX(0); transform-origin:left; transition:transform .4s var(--ease)}
.service-card:hover{transform:translateY(-8px); box-shadow:var(--shadow-l); border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-card__ic{width:64px; height:64px; border-radius:18px; background:var(--accent-soft); color:var(--blue);
  display:flex; align-items:center; justify-content:center; margin-bottom:22px; transition:.4s var(--ease)}
.service-card__ic svg.icon{width:30px;height:30px; stroke:var(--blue)}
.service-card:hover .service-card__ic{background:linear-gradient(140deg,var(--navy),var(--blue)); color:#fff; transform:rotate(-6deg)}
.service-card:hover .service-card__ic svg.icon{stroke:#fff}
.service-card h3{font-size:1.35rem; margin-bottom:10px}
.service-card p{font-size:.98rem}
.service-card__no{position:absolute; right:22px; bottom:10px; font-family:var(--serif); font-weight:700; font-size:3.4rem; color:var(--platinum); z-index:0; line-height:1; pointer-events:none}
.service-card h3,.service-card p{position:relative; z-index:1}
.service-card:hover .service-card__no{color:var(--accent-soft)}

/* ---------- products ---------- */
.products__grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px}
.product-card{border-radius:var(--r-lg); overflow:hidden; background:#fff; box-shadow:var(--shadow-s); border:1px solid var(--line);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease)}
.product-card:hover{transform:translateY(-8px); box-shadow:var(--shadow-l)}
.product-card__img{aspect-ratio:4/5; overflow:hidden; position:relative}
.product-card__img::after{content:""; position:absolute; inset:0; background:linear-gradient(to top,rgba(3,20,38,.35),transparent 55%)}
.product-card__img img{width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease)}
.product-card:hover .product-card__img img{transform:scale(1.08)}
.product-card__body{padding:22px 20px; position:relative}
.product-card__ic{position:absolute; top:-26px; right:20px; width:52px; height:52px; border-radius:14px;
  background:linear-gradient(140deg,var(--navy),var(--blue)); color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-blue)}
.product-card__ic svg.icon{width:24px;height:24px; stroke:#fff}
.product-card h3{font-size:1.16rem; line-height:1.25; margin-bottom:7px}
.product-card h3 span{display:block; font-family:var(--sans); font-size:.78rem; font-weight:600; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); margin-top:3px}
.product-card p{font-size:.92rem; color:var(--muted)}

/* ---------- why (dark) ---------- */
.why{background:linear-gradient(160deg,#062a4d,#031a31); color:#fff; overflow:hidden}
.why .section__title{color:#fff}
.why__glow{position:absolute; width:60vw; height:60vw; max-width:640px; max-height:640px; border-radius:50%;
  background:radial-gradient(circle,rgba(42,160,229,.28),transparent 65%); top:-15%; right:-10%; pointer-events:none; filter:blur(10px)}
.why__row{display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,64px); align-items:center; margin-bottom:clamp(30px,5vw,56px)}
.why__row:last-child{margin-bottom:0}
.why__row--rev .why__media{order:2}
.why__media{border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--shadow-l); aspect-ratio:16/11; position:relative}
.why__media::after{content:""; position:absolute; inset:0; border:1px solid rgba(255,255,255,.12); border-radius:var(--r-lg)}
.why__media img{width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease)}
.why__row:hover .why__media img{transform:scale(1.05)}
.why__step{display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.15em; text-transform:uppercase; color:var(--accent);
  padding:6px 14px; border:1px solid rgba(42,160,229,.4); border-radius:100px; margin-bottom:16px}
.why__info h3{color:#fff; font-size:clamp(1.4rem,2.4vw,1.9rem); margin-bottom:12px}
.why__info p{color:rgba(255,255,255,.78)}

/* ---------- process timeline ---------- */
.timeline{position:relative; max-width:920px; margin:0 auto; display:flex; flex-direction:column; gap:26px}
.timeline__line{position:absolute; left:50%; top:6px; bottom:6px; width:3px; transform:translateX(-50%); background:var(--line); border-radius:3px; overflow:hidden}
.timeline__line span{position:absolute; top:0; left:0; width:100%; height:0; background:linear-gradient(var(--accent),var(--blue)); transition:height .1s linear}
.tl-item{width:50%; position:relative}
.tl-item.left{align-self:flex-start; padding-right:46px}
.tl-item.right{align-self:flex-end; padding-left:46px}
.tl-item::after{content:""; position:absolute; top:26px; width:18px; height:18px; border-radius:50%;
  background:#fff; border:4px solid var(--accent); box-shadow:0 0 0 5px var(--platinum); z-index:2; transition:transform .3s var(--ease)}
.tl-item.left::after{right:-9px}
.tl-item.right::after{left:-9px}
.tl-item:hover::after{transform:scale(1.25)}
.tl-card{background:#fff; border:1px solid var(--line); border-radius:var(--r); padding:26px 28px; position:relative; overflow:hidden;
  box-shadow:var(--shadow-s); transition:transform .4s var(--ease), box-shadow .4s var(--ease)}
.tl-card:hover{transform:translateY(-5px); box-shadow:var(--shadow-m)}
.tl-num{position:absolute; top:6px; right:16px; font-family:var(--serif); font-weight:700; font-size:3.2rem; color:var(--platinum); line-height:1}
.tl-card h3{font-size:1.2rem; margin-bottom:7px; position:relative}
.tl-card p{font-size:.95rem; margin:0; position:relative}

/* ---------- partners ---------- */
.trust-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px}
.trust-card{text-align:center; padding:34px 24px; border-radius:var(--r-lg); background:#fff; border:1px solid var(--line); box-shadow:var(--shadow-s); transition:transform .4s var(--ease), box-shadow .4s var(--ease)}
.trust-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-m)}
.trust-card__ic{width:58px; height:58px; margin:0 auto 16px; border-radius:16px; background:var(--accent-soft); color:var(--blue); display:flex; align-items:center; justify-content:center}
.trust-card__ic svg.icon{width:26px; height:26px; stroke:var(--blue)}
.trust-card h3{font-size:1.15rem; margin-bottom:8px}
.trust-card p{font-size:.94rem; color:var(--muted); margin:0}

/* ---------- cta / contact ---------- */
.cta{background:var(--ink); color:#fff; overflow:hidden; position:relative}
.cta__bg{position:absolute; inset:0; background:url('../image/lab_03.jpg') center/cover no-repeat; opacity:.14}
.cta__bg::after{content:""; position:absolute; inset:0; background:linear-gradient(120deg,rgba(3,20,38,.9),rgba(3,20,38,.75))}
.cta__grid{position:relative; z-index:2; display:grid; grid-template-columns:1fr 1fr; gap:clamp(34px,5vw,64px); align-items:start}
.cta__info .section__title{color:#fff}
.cta__info>p{color:rgba(255,255,255,.8); margin-bottom:26px; max-width:460px}
.cta__contacts{display:flex; flex-direction:column; gap:15px; margin-bottom:26px}
.cta__contacts li,.cta__contacts a{display:flex; align-items:flex-start; gap:13px; color:rgba(255,255,255,.9); font-weight:500}
.cta__contacts a:hover{color:var(--accent)}
.cta__ic{flex:none; width:40px; height:40px; border-radius:11px; background:rgba(42,160,229,.16); color:var(--accent);
  display:flex; align-items:center; justify-content:center}
.cta__ic svg.icon{width:19px;height:19px; stroke:var(--accent)}
.cta__map{border-radius:var(--r); overflow:hidden; border:1px solid rgba(255,255,255,.14); height:210px; box-shadow:var(--shadow-l)}
.cta__map iframe{width:100%; height:100%; border:0; filter:grayscale(.2) contrast(1.05)}

.cta__form-wrap{background:#fff; border-radius:var(--r-xl); padding:clamp(26px,3.4vw,42px); box-shadow:var(--shadow-l); color:var(--slate)}
.cta__form h3{font-size:1.6rem; margin-bottom:6px}
.cta__form-sub{color:var(--muted); font-size:.95rem; margin-bottom:24px}
.field{position:relative; margin-bottom:18px}
.field input,.field select,.field textarea{
  width:100%; padding:20px 16px 8px; border:1.5px solid var(--line); border-radius:var(--r-sm);
  background:#fbfcfe; font-size:1rem; color:var(--ink); outline:none; transition:border-color .25s, box-shadow .25s; resize:none;
}
.field textarea{padding-top:22px}
.field select{-webkit-appearance:none; -moz-appearance:none; appearance:none; cursor:pointer; color:var(--ink)}
.field label{position:absolute; left:16px; top:15px; color:var(--muted); font-size:1rem; pointer-events:none;
  transition:.2s var(--ease); background:transparent}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent); box-shadow:0 0 0 4px rgba(42,160,229,.14)}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label,
.field select:focus+label,.field select:valid+label{
  top:7px; font-size:.72rem; font-weight:700; color:var(--blue); letter-spacing:.03em}
.field__chev{position:absolute; right:16px; top:50%; transform:translateY(-50%); width:18px; height:18px;
  stroke:var(--muted); transform-origin:center; rotate:90deg; pointer-events:none}
.cta__result{margin-top:16px; padding:18px 18px; border-radius:var(--r-sm); font-size:.96rem; line-height:1.55}
.cta__result.ok{background:#eafaf0; border:1px solid #bbf0cb; color:#166534}
.cta__result.err{background:#fdecec; border:1px solid #f6c5c5; color:#a32323}
.cta__result strong{display:block; margin-bottom:4px; font-size:1.02rem}

/* ---------- footer ---------- */
.footer{background:#0a1420; color:#8f9caa; padding:clamp(56px,7vw,84px) 0 0}
.footer__grid{display:grid; grid-template-columns:2fr 1fr 1.6fr; gap:44px; padding-bottom:46px}
.footer__brand p{margin:18px 0 20px; font-size:.95rem; max-width:340px}
.logo--light .logo__text{color:#fff}
.logo--light .logo__text span{color:var(--silver)}
.footer .logo__mark{color:var(--accent)}
.socials{display:flex; gap:11px}
.socials a{width:42px; height:42px; border-radius:12px; background:rgba(255,255,255,.06); color:#fff; display:flex; align-items:center; justify-content:center; transition:.3s var(--ease)}
.socials a svg.icon{width:20px;height:20px; fill:currentColor}
.socials a:hover{background:linear-gradient(140deg,var(--navy),var(--blue)); transform:translateY(-3px)}
.footer__col h3{color:#fff; font-family:var(--sans); font-size:.95rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; margin-bottom:22px}
.footer__links li{margin-bottom:13px}
.footer__links a{display:flex; align-items:center; gap:7px; font-size:.96rem}
.footer__links a svg.icon{width:16px;height:16px; stroke:var(--accent); transition:transform .3s var(--ease)}
.footer__links a:hover{color:#fff}
.footer__links a:hover svg.icon{transform:translateX(3px)}
.footer__contact li,.footer__contact a{display:flex; align-items:flex-start; gap:11px; margin-bottom:14px; font-size:.95rem}
.footer__contact svg.icon{width:18px;height:18px; flex:none; margin-top:3px; stroke:var(--accent)}
.footer__contact a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08); padding:20px 0; font-size:.88rem; text-align:center}

/* ---------- floating contact + to-top ---------- */
.float-contact{position:fixed; right:18px; bottom:calc(20px + env(safe-area-inset-bottom)); z-index:1300; display:flex; flex-direction:column; gap:12px; transition:opacity .3s var(--ease), visibility .3s var(--ease)}
body.nav-open .float-contact{opacity:0; visibility:hidden; pointer-events:none}
.float-btn{width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  color:#fff; box-shadow:var(--shadow-m); transition:transform .25s var(--ease)}
.float-btn svg.icon{width:24px;height:24px; fill:currentColor}
.float-btn:hover{transform:scale(1.12); color:#fff}
.float-btn--phone{background:linear-gradient(140deg,var(--navy),var(--blue)); animation:ring 2.4s infinite}
.float-btn--zalo{background:#0068ff; font-weight:800; font-size:.9rem}
.float-btn--mess{background:linear-gradient(45deg,#00b2ff,#006aff)}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(10,109,179,.55)}70%{box-shadow:0 0 0 16px rgba(10,109,179,0)}100%{box-shadow:0 0 0 0 rgba(10,109,179,0)}}
.to-top{position:fixed; left:18px; bottom:calc(20px + env(safe-area-inset-bottom)); z-index:1300; width:46px; height:46px; border-radius:50%;
  background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-m); opacity:0; visibility:hidden; transform:translateY(12px); transition:.35s var(--ease)}
.to-top.show{opacity:1; visibility:visible; transform:none}
.to-top:hover{background:var(--blue); transform:translateY(-3px)}
.to-top svg.icon{width:22px;height:22px}

/* ---------- reveal animations ---------- */
.reveal,.reveal-left,.reveal-right{opacity:0; transition:opacity .8s var(--ease-out), transform .8s var(--ease-out)}
.reveal{transform:translateY(34px)}
.reveal-left{transform:translateX(-46px)}
.reveal-right{transform:translateX(46px)}
.reveal.in,.reveal-left.in,.reveal-right.in{opacity:1; transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}
.reveal[data-delay="4"]{transition-delay:.4s}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width:1024px){
  .products__grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid{gap:14px}
}

@media (max-width:900px){
  .services__grid{grid-template-columns:1fr; gap:20px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1.4fr 1fr; gap:34px 30px}
  .why__row,.why__row--rev{grid-template-columns:1fr; gap:22px}
  .why__row--rev .why__media{order:0}
  .cta__grid{grid-template-columns:1fr}
  .about__grid{grid-template-columns:1fr; gap:60px}
  .about__visual{max-width:520px}
  .about__mini{width:52%}
}

/* nav drawer — activates early so the horizontal nav never overflows / clips the CTA */
@media (max-width:960px){
  .menu-toggle{display:flex}
  .nav-links{
    position:fixed; top:0; right:0; bottom:0; width:min(330px,86vw); z-index:1200;
    flex-direction:column; align-items:stretch; gap:4px; padding:calc(84px + env(safe-area-inset-top)) 22px calc(30px + env(safe-area-inset-bottom));
    background:#fff; overscroll-behavior:contain; visibility:hidden;
    transform:translateX(112%); transition:transform .4s var(--ease), visibility .4s var(--ease); overflow-y:auto; -webkit-overflow-scrolling:touch;
  }
  .nav-links.active{transform:none; visibility:visible; box-shadow:-24px 0 60px rgba(13,21,34,.22)}
  .nav-links>a:not(.btn){color:var(--ink); font-size:1.05rem; padding:14px 16px; border-radius:12px}
  .nav-links>a:not(.btn)::after{display:none}
  .nav-links>a:not(.btn):hover,.nav-links>a.active{background:var(--platinum)}
  .nav-cta{margin:12px 0 0 !important; text-align:center}
}

@media (max-width:768px){
  .stats__grid{grid-template-columns:repeat(2,1fr); gap:26px 14px; padding:40px 22px}
  .stat:nth-child(2)::after{display:none}
  .stat:not(:last-child)::after{top:auto; bottom:-13px; right:auto; left:15%; width:70%; height:1px}
  .stat:nth-child(3)::after,.stat:nth-child(4)::after{display:none}

  .products__grid{grid-template-columns:repeat(2,1fr); gap:16px}
  .product-card__img{aspect-ratio:1/1}

  /* timeline -> single column left rail */
  .timeline__line{left:20px; transform:none}
  .tl-item,.tl-item.left,.tl-item.right{width:100%; align-self:stretch !important; padding:0 0 0 52px}
  .tl-item::after,.tl-item.left::after,.tl-item.right::after{left:11px; right:auto}

  .footer__grid{grid-template-columns:1fr; gap:34px; padding-bottom:38px}
  .about__actions{gap:16px}
  /* Hero (mobile): grow to fit content + reserve space at the bottom so the
     slider controls never overlap the copy, and clear the fixed header on top */
  .hero{align-items:flex-start; height:auto; min-height:100svh; padding:88px 0 96px}
  .hero__content{width:100%}
  .hero__badge{margin-bottom:14px; font-size:.8rem}
  .hero__title{font-size:clamp(2.05rem,7.6vw,2.7rem); line-height:1.32; margin-bottom:14px}
  .hero__desc{font-size:1rem; line-height:1.6; margin-bottom:20px}
  .hero__btns{margin-bottom:18px; gap:10px}
  .hero__chips{gap:8px 16px}
  .hero__controls{bottom:26px}
  .hero__scroll{display:none}
  .only-desktop{display:none}
  .only-mobile{display:block}
  .float-btn{width:48px;height:48px}
  .float-btn svg.icon{width:22px;height:22px}
}

@media (max-width:480px){
  .container{padding:0 18px}
  .products__grid{grid-template-columns:1fr}
  .product-card__img{aspect-ratio:16/11}
  .about__mini{position:static; width:100%; margin-top:14px}
  .about__mini img{border-width:3px}
  .about__badge{width:96px;height:96px;top:-16px;right:-6px}
  .about__badge strong{font-size:1.7rem}
  .hero__btns .btn{width:100%}
  .trust-grid{grid-template-columns:1fr; gap:14px}
  .trust-card{padding:26px 22px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important}
  .reveal,.reveal-left,.reveal-right{opacity:1 !important; transform:none !important}
  .hero__slide.is-active .hero__img,.hero__slide.is-active video.hero__media{transform:none !important; animation:none !important}
}