/* ==========================================================
   DRK Labs – site.css
   Palette from logo: navy + gold. Mobile-first, responsive.
   ========================================================== */
:root{
  --navy:#023366; --navy-900:#01214a; --navy-700:#0a4585; --navy-50:#eef3f9;
  --gold:#ffb101; --gold-soft:#fecc64; --gold-50:#fff7e0;
  --ink:#1b2a3d; --muted:#5b6b7e; --line:#e1e8f0; --bg:#ffffff; --bg-alt:#f6f9fc;
  --radius:14px; --shadow:0 10px 30px -12px rgba(2,51,102,.25);
  --font:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --font-head:'DM Serif Display',Georgia,'Times New Roman',serif;
  --header-h:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--navy-700)}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:400;color:var(--navy);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:.2s;font-family:var(--font);line-height:1.2}
.btn--gold{background:var(--gold);color:var(--navy-900)}
.btn--gold:hover{background:var(--gold-soft);color:var(--navy-900);transform:translateY(-2px)}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-700);color:#fff;transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--navy)}
.btn--outline{border-color:var(--navy);color:var(--navy)}
.btn--outline:hover{background:var(--navy);color:#fff}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy-900);color:#d6e2f2;font-size:.85rem}
.topbar__in{display:flex;justify-content:flex-end;gap:26px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#d6e2f2;display:inline-flex;align-items:center;gap:8px}
.topbar a:hover{color:var(--gold-soft)}
.topbar svg{width:14px;height:14px;fill:var(--gold)}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 8px 24px -14px rgba(2,51,102,.35)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand img{height:62px;width:auto}
.nav>ul{display:flex;align-items:center;gap:6px}
.nav a{display:block;padding:10px 16px;font-weight:600;font-size:.95rem;color:var(--ink);border-radius:8px}
.nav a:hover,.nav a.is-active{color:var(--navy);background:var(--navy-50)}
.nav a.is-active{box-shadow:inset 0 -3px 0 var(--gold)}
.nav a.btn{color:var(--navy-900);margin-left:8px;padding:11px 22px}
.nav a.btn:hover{background:var(--gold-soft);box-shadow:none}
.has-sub{position:relative;display:flex;align-items:center}
.sub-toggle{display:none}
.has-sub>a::after{content:"";display:inline-block;width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);margin-left:8px}
.sub{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{padding:10px 14px;font-weight:500}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:2.5px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:linear-gradient(135deg,var(--navy-900) 0%,var(--navy) 55%,var(--navy-700) 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 85% 20%,rgba(255,177,1,.22),transparent 40%),
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='104' viewBox='0 0 120 104'%3E%3Cpath d='M30 2l28 16v32L30 66 2 50V18z M90 38l28 16v32l-28 16-28-16V54z' fill='none' stroke='%23ffffff' stroke-opacity='.07' stroke-width='1.5'/%3E%3C/svg%3E");}
.hero__in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:96px}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--gold);margin-bottom:14px}
.hero h1{color:#fff;margin-bottom:.4em}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero p.lead{font-size:1.1rem;color:#d3e0f1;max-width:560px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__media{position:relative}
.hero__media img{border-radius:20px;aspect-ratio:4/4.3;object-fit:cover;width:100%;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);border:6px solid rgba(255,255,255,.12)}
.hero__badge{position:absolute;left:-22px;bottom:28px;background:#fff;color:var(--navy);border-radius:14px;padding:16px 20px;box-shadow:var(--shadow);max-width:210px}
.hero__badge strong{display:block;font-family:var(--font-head);font-size:2rem;line-height:1}
.hero__badge span{font-size:.82rem;color:var(--muted)}

/* ---------- Stats strip ---------- */
.stats{margin-top:-48px;position:relative;z-index:2}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.stat{padding:26px 22px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--font-head);font-size:2.1rem;color:var(--navy);font-weight:400;line-height:1.1}
.stat span{font-size:.88rem;color:var(--muted)}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--navy{background:var(--navy);color:#d3e0f1}
.section--navy h2,.section--navy h3{color:#fff}
.section__head{max-width:680px;margin:0 auto 48px;text-align:center}
.section__head .eyebrow{color:var(--navy-700)}
.section__head p{color:var(--muted)}
.rule{display:block;width:56px;height:4px;border-radius:4px;background:var(--gold);margin:14px 0 22px}
.section__head .rule{margin:14px auto 20px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split img{border-radius:20px;box-shadow:var(--shadow);width:100%;object-fit:cover}
.checks li{position:relative;padding-left:32px;margin-bottom:12px}
.checks li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--gold-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='%23023366' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{width:54px;height:54px;border-radius:14px;background:var(--navy-50);display:grid;place-items:center;margin-bottom:18px}
.card .ico svg{width:28px;height:28px;stroke:var(--navy);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- Product lists ---------- */
.plist-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.plist{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.plist__head{padding:20px 26px;background:var(--navy);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:12px}
.plist__head h3{color:#fff;margin:0;font-size:1.25rem}
.plist__head span{background:var(--gold);color:var(--navy-900);font-size:.78rem;font-weight:700;padding:3px 12px;border-radius:999px;white-space:nowrap}
.plist--trade .plist__head{background:var(--navy-700)}
.plist ol{list-style:none;margin:0;padding:8px 0;counter-reset:p}
.plist li{counter-increment:p;display:flex;gap:14px;padding:12px 26px;border-bottom:1px solid var(--line);font-size:.95rem;overflow-wrap:anywhere}
.plist li:last-child{border-bottom:0}
.plist li::before{content:counter(p,decimal-leading-zero);color:var(--gold);font-weight:700;font-size:.85rem;padding-top:2px;min-width:22px}
.plist li:hover{background:var(--navy-50)}
.plist__more{padding:16px 26px;background:var(--bg-alt);border-top:1px solid var(--line)}

.search{position:relative;max-width:520px;margin:0 auto 36px}
.search input{width:100%;padding:15px 22px 15px 50px;border:1.5px solid var(--line);border-radius:999px;font:inherit;background:#fff}
.search input:focus{border-color:var(--navy);outline:none;box-shadow:0 0 0 4px var(--navy-50)}
.search svg{position:absolute;left:19px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--muted);fill:none;stroke-width:2}
.no-result{display:none;text-align:center;color:var(--muted);padding:28px}

/* ---------- Page banner ---------- */
.banner{background:linear-gradient(135deg,var(--navy-900),var(--navy));color:#fff;padding:60px 0 56px;position:relative;overflow:hidden}
.banner::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,177,1,.28),transparent 70%)}
.banner h1{color:#fff;font-size:clamp(2rem,4.5vw,3rem);margin-bottom:.25em}
.crumbs{font-size:.88rem;color:#b9cbe3;position:relative;z-index:1}
.crumbs a{color:var(--gold-soft)}
.crumbs span{margin:0 8px}

/* ---------- Vision / mission ---------- */
.vm{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.vm article{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:34px}
.vm h3{color:var(--gold-soft)}
.vm p{margin:0;color:#d3e0f1}
.ethics{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;justify-content:center}
.ethics li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:10px 20px;border-radius:999px;font-size:.92rem;color:#fff}

/* ---------- Directors ---------- */
.person{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;transition:.25s}
.person:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.avatar{width:112px;height:112px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),var(--navy-700));color:var(--gold-soft);font-family:var(--font-head);font-size:2.2rem;border:4px solid var(--gold-50);outline:2px solid var(--gold);overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover;object-position:top}
.person h3{margin-bottom:2px}
.person .role{color:var(--navy-700);font-weight:600;font-size:.9rem;margin-bottom:12px}
.person .exp{display:inline-block;background:var(--gold-50);color:var(--navy-900);font-weight:700;font-size:.78rem;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.person p{color:var(--muted);font-size:.93rem;margin:0}
.profile{display:grid;grid-template-columns:240px 1fr;gap:36px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;margin-bottom:24px}
.profile .avatar{width:200px;height:200px;margin:0;font-size:3.4rem}
.profile .role{color:var(--navy-700);font-weight:600;margin-bottom:12px}
.profile p{color:var(--muted)}
.quote{max-width:780px;margin:0 auto;text-align:center;font-family:var(--font-head);font-size:clamp(1.25rem,2.4vw,1.7rem);color:var(--navy);line-height:1.4}
.quote small{display:block;font-family:var(--font);font-size:.9rem;color:var(--muted);margin-top:14px}

/* ---------- CTA band ---------- */
.cta{background:linear-gradient(120deg,var(--navy),var(--navy-700));color:#fff;border-radius:22px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 6px;font-size:clamp(1.5rem,3vw,2.1rem)}
.cta p{margin:0;color:#cddcf0}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.info-list{display:grid;gap:16px}
.info{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.info .ico{flex:none;width:46px;height:46px;border-radius:12px;background:var(--navy-50);display:grid;place-items:center}
.info .ico svg{width:22px;height:22px;stroke:var(--navy);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.info h4{font-family:var(--font);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 4px}
.info p{margin:0;font-size:.95rem;overflow-wrap:anywhere}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form h3{font-size:1.6rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field label i{color:#c0392b;font-style:normal}
.field input,.field select,.field textarea{scroll-margin-top:calc(var(--header-h) + 24px);width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:.95rem;background:#fff;color:var(--ink);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px var(--navy-50)}
.field textarea{min-height:120px;resize:vertical}
.field .err{display:none;color:#c0392b;font-size:.8rem;margin-top:4px}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#c0392b}
.field.invalid .err{display:block}
.phone{display:grid;grid-template-columns:74px 1fr;gap:10px}
.phone input[readonly]{background:var(--bg-alt);text-align:center}
.map{margin-top:40px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:340px}
.map iframe{width:100%;height:100%;border:0}

.captcha-box{background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:16px}
.captcha-box input{max-width:140px;background:#fff}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.alert{padding:14px 16px;border-radius:10px;margin-bottom:18px;font-size:.93rem}
.alert--ok{background:#e8f6ec;color:#176b34;border:1px solid #b9e2c6}
.alert--err{background:#fdecea;color:#a12622;border:1px solid #f3c1bd}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#b9cbe3;font-size:.93rem}
.footer__grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1.4fr;gap:40px;padding-top:64px;padding-bottom:48px}
.footer__brand img{background:#fff;border-radius:12px;padding:6px 10px;margin-bottom:16px}
.site-footer h4{font-family:var(--font);font-weight:700;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.site-footer li{margin-bottom:9px}
.site-footer a{color:#b9cbe3}
.site-footer a:hover{color:var(--gold-soft)}
.site-footer address{font-style:normal;margin-bottom:12px}
.footer__bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.85rem}
.footer__bar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:1080px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .hero__in{gap:36px}
}
@media (max-width:900px){
  :root{--header-h:72px}
  .brand img{height:52px}
  .nav-toggle{display:block}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;padding:90px 20px 30px;transform:translateX(105%);transition:transform .3s ease;overflow-y:auto;box-shadow:-20px 0 40px -20px rgba(0,0,0,.3);z-index:150}
  .nav.open{transform:none}
  .nav>ul{flex-direction:column;align-items:stretch;gap:2px}
  .nav a{padding:14px 12px;font-size:1rem}
  .has-sub{flex-wrap:wrap}
  .has-sub>a{flex:1}
  .has-sub>a::after{display:none}
  .sub-toggle{display:block;width:46px;height:46px;background:none;border:0;cursor:pointer;position:relative}
  .sub-toggle::before{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:translate(-50%,-70%) rotate(45deg);transition:.2s}
  .sub-toggle[aria-expanded="true"]::before{transform:translate(-50%,-30%) rotate(-135deg)}
  .sub{position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--gold);border-radius:0;margin:0 0 6px 12px;padding:0 0 0 6px;min-width:0;max-height:0;overflow:hidden;transition:max-height .3s}
  .has-sub:hover .sub{max-height:0}
  .has-sub.open .sub{max-height:200px}
  .nav__cta{margin-top:14px}
  .nav a.btn{margin:0;width:100%}
  .nav-overlay{position:fixed;inset:0;background:rgba(1,33,74,.55);z-index:99;opacity:0;visibility:hidden;transition:.3s}
  .nav-overlay.show{opacity:1;visibility:visible}
  .nav-toggle{position:relative;z-index:160}
  .hero__in,.split,.contact{grid-template-columns:1fr}
  .hero__in{padding-top:56px;padding-bottom:84px}
  .hero__media{max-width:440px;margin:0 auto}
  .hero__badge{left:12px}
  .split{gap:36px}
  .plist-wrap,.vm{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .section{padding:64px 0}
  .profile{grid-template-columns:1fr;text-align:center;padding:28px}
  .profile .avatar{margin:0 auto}
}
@media (max-width:600px){
  .topbar__in{justify-content:center;gap:16px;font-size:.78rem}
  .grid--4,.grid--3,.grid--2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:30px}
  .form{padding:24px 18px}
  .form .row{grid-template-columns:1fr;gap:0}
  .cta{padding:32px 24px;text-align:center;justify-content:center}
  .hero__cta .btn{flex:1 1 100%}
  .stat{padding:20px 12px}
  .stat b{font-size:1.7rem}
  .plist li,.plist__head,.plist__more{padding-left:18px;padding-right:18px}
  .footer__bar .container{justify-content:center;text-align:center}
  .map{height:280px}
}
@media (max-width:360px){
  .topbar a:nth-child(2){display:none}
}