/* Perkan Solutions — static site (HTML, CSS, JavaScript only) */
:root{
  --ink:#171314; --ink-2:#3d3537; --muted:#6f6668; --line:#e7dfdc;
  --paper:#fbf8f6; --card:#fff; --soft:#f4ece9;
  --wine:#7c1813; --wine-2:#a12a1e; --wine-3:#c44536; --blush:#f6e4df;
  --night:#131011; --night-2:#1d1819; --night-line:rgba(255,255,255,.12);
  --radius:14px; --wrap:1160px; --head:72px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink-2);background:var(--paper)}
img,svg{max-width:100%;display:block}
a{color:var(--wine-2)}
h1,h2,h3{color:var(--ink);line-height:1.12;letter-spacing:-.022em;margin:0;font-weight:750}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[id]{scroll-margin-top:calc(var(--head) + 20px)}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:#fff;color:var(--ink);padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--wine-3);outline-offset:3px;border-radius:4px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:999px;border:1.5px solid transparent;
  font:inherit;font-size:15.5px;font-weight:650;line-height:1.2;text-decoration:none;cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .2s}
.btn--solid{background:var(--wine);color:#fff}
.btn--solid:hover{background:var(--wine-2)}
.hero .btn--solid,.head .btn--solid,.plan--top .btn--solid{background:var(--wine-2)}
.hero .btn--solid:hover,.head .btn--solid:hover{background:var(--wine-3)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--blush)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--line:hover{background:var(--ink);color:#fff}
.btn[disabled]{opacity:.6;cursor:progress}
.more{font-weight:650;text-decoration:none;color:var(--wine)}
.more:hover{text-decoration:underline}

/* header */
.head{position:sticky;top:0;z-index:50;background:rgba(19,16,17,.94);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--night-line)}
.head__in{display:flex;align-items:center;gap:28px;min-height:var(--head)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:750;letter-spacing:-.01em;font-size:18px;white-space:nowrap}
.brand img{width:42px;height:42px;padding:5px;border-radius:10px;background:#2a2223;border:1px solid var(--night-line)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{color:rgba(255,255,255,.82);text-decoration:none;font-size:15.5px;font-weight:550;padding:10px 12px;border-radius:8px}
.nav a:hover,.nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.08)}
.head__side{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--night-line);border-radius:999px;padding:3px;font-size:13.5px;font-weight:700}
.lang a,.lang span{padding:5px 11px;border-radius:999px;text-decoration:none;color:rgba(255,255,255,.7)}
.lang span{background:#fff;color:var(--ink)}
.lang a:hover{color:#fff}
.head .btn{min-height:42px;padding:9px 18px;font-size:14.5px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--night-line);border-radius:10px;background:transparent;color:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s,opacity .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-6px}.burger span::after{top:6px}
.head.is-open .burger span{background:transparent}
.head.is-open .burger span::before{transform:translateY(6px) rotate(45deg)}
.head.is-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}

/* hero */
.hero{position:relative;background:var(--night);color:rgba(255,255,255,.8);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(760px 420px at 82% 8%,rgba(196,69,54,.34),transparent 70%),
  radial-gradient(620px 420px at 6% 96%,rgba(124,24,19,.42),transparent 70%)}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero__in{position:relative;z-index:1;padding:104px 0 112px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero--page .hero__in{grid-template-columns:1fr;padding:84px 0 80px}
.hero--page .hero__in>div{max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--wine)}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor}
.hero .eyebrow{color:#f0a79c}
.hero h1{color:#fff;font-size:clamp(38px,5.6vw,68px);margin:18px 0 22px;letter-spacing:-.035em}
.hero h1 em{font-style:normal;color:#f0a79c}
.hero__lead{font-size:clamp(18px,1.6vw,21px);max-width:560px}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.panel{background:rgba(255,255,255,.05);border:1px solid var(--night-line);border-radius:20px;padding:10px}
.panel li{display:flex;align-items:center;gap:14px;padding:15px 16px;border-radius:12px;color:#fff;font-weight:600;font-size:16px}
.panel li+li{border-top:1px solid var(--night-line)}
.panel a{color:inherit;text-decoration:none;display:flex;align-items:center;gap:14px;flex:1}
.panel a:hover{color:#f0a79c}
.panel .ic{background:rgba(196,69,54,.2);color:#f6b9af}
.panel i{margin-left:auto;font-style:normal;opacity:.5}

/* sections */
.sec{padding:96px 0}
.sec--soft{background:var(--soft)}
.sec--night{background:var(--night);color:rgba(255,255,255,.78)}
.sec--night h2,.sec--night h3{color:#fff}
.sec--night .eyebrow{color:#f0a79c}
.sec__head{max-width:720px;margin-bottom:48px}
.sec__head h2{font-size:clamp(30px,3.6vw,44px);margin:14px 0 14px}
.sec__head p{font-size:18.5px}
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.ic{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--blush);color:var(--wine)}
.ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;display:flex;flex-direction:column;gap:14px;transition:border-color .2s,box-shadow .2s}
.card:hover{border-color:#d8c4be;box-shadow:0 18px 40px -26px rgba(60,20,16,.35)}
.card h3{font-size:21px}
.card p{font-size:16px}
.ticks{display:grid;gap:8px;font-size:15.5px}
.ticks li{position:relative;padding-left:24px}
.ticks li::before{content:"";position:absolute;left:2px;top:.55em;width:11px;height:6px;border-left:2px solid var(--wine-2);border-bottom:2px solid var(--wine-2);transform:rotate(-45deg)}
.card .more{margin-top:auto;padding-top:6px}

.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--night-line);border-left:1px solid var(--night-line)}
.why li{padding:30px 28px;border-right:1px solid var(--night-line);border-bottom:1px solid var(--night-line)}
.why b{display:block;font-size:13px;letter-spacing:.14em;color:#f0a79c;margin-bottom:12px}
.why h3{font-size:20px;margin-bottom:8px}
.why p{font-size:16px}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 28px;position:relative}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--wine);line-height:1;margin-bottom:14px}
.steps h3{font-size:19px;margin-bottom:6px}
.steps p{font-size:16px}

.chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.chips li{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--wine);border-radius:12px;padding:20px 22px}
.chips h3{font-size:18px;margin-bottom:4px}
.chips p{font-size:15.5px;color:var(--muted)}

.plan{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px 28px;display:flex;flex-direction:column;gap:16px}
.plan--top{background:var(--night);border-color:var(--night);color:rgba(255,255,255,.8);box-shadow:0 30px 60px -34px rgba(60,20,16,.7)}
.plan--top h3,.plan--top .plan__price{color:#fff}
.plan--top .ticks li::before{border-color:#f0a79c}
.plan__tag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;background:var(--wine);color:#fff;padding:5px 11px;border-radius:999px}
.plan h3{font-size:24px}
.plan__price{font-size:19px;font-weight:700;color:var(--ink);padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.plan--top .plan__price{border-color:var(--night-line)}
.plan__price small{display:block;font-size:14.5px;font-weight:400;color:inherit;opacity:.75;margin-top:2px}
.plan .btn{margin-top:auto}

.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 0;font-size:19px;font-weight:650;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-weight:400;font-size:22px;line-height:1;color:var(--wine);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 52px 24px 0}

.cta{background:linear-gradient(120deg,var(--wine),#4f0d09);color:rgba(255,255,255,.85)}
.cta__in{padding:72px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(28px,3.2vw,40px);margin-bottom:10px}
.cta__btns{display:flex;flex-wrap:wrap;gap:12px}

/* services page */
.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.jump a{color:#fff;text-decoration:none;font-size:14.5px;font-weight:600;border:1px solid var(--night-line);border-radius:999px;padding:8px 14px}
.jump a:hover{background:rgba(255,255,255,.1)}
.svc{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;padding:64px 0;border-bottom:1px solid var(--line);align-items:start}
.svc:last-child{border-bottom:0}
.svc__n{font-size:14px;font-weight:700;letter-spacing:.14em;color:var(--wine)}
.svc h2{font-size:clamp(26px,3vw,36px);margin:12px 0 14px}
.svc__box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 28px}
.svc__box h3{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tags li{font-size:13.5px;font-weight:600;background:var(--soft);border-radius:999px;padding:5px 12px;color:var(--ink-2)}
.svc .btn{margin-top:26px}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}
.facts{display:grid;gap:14px;margin-top:28px}
.facts li{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.facts div>span{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.facts a,.facts b{font-size:18px;font-weight:650;color:var(--ink);text-decoration:none}
.facts a:hover{color:var(--wine)}
.form{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px 30px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:grid;gap:7px;font-size:14.5px;font-weight:650;color:var(--ink)}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
.form input,.form select{min-height:50px}
.form textarea{min-height:150px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--wine-2);box-shadow:0 0 0 3px rgba(161,42,30,.15)}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.note{grid-column:1/-1;border-radius:10px;padding:12px 14px;font-size:15.5px;font-weight:600}
.note--ok{background:#e8f4ea;color:#1d5a2a}
.note--err{background:#fbe9e7;color:#8c1d14}

/* footer */
.foot{background:var(--night);color:rgba(255,255,255,.66);font-size:15.5px}
.foot__in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px}
.foot .brand{margin-bottom:14px}
.foot h3{color:#fff;font-size:14px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.foot li{margin-bottom:9px}
.foot a{color:rgba(255,255,255,.78);text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot__bar{border-top:1px solid var(--night-line);padding:20px 0;font-size:14px}

/* reveal on scroll (only when JavaScript is running and motion is welcome) */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .rv{opacity:1;transform:none;transition:none}.btn,.card{transition:none}}

@media (max-width:1020px){
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--night);border-bottom:1px solid var(--night-line);padding:10px 20px 18px;display:none}
  .head.is-open .nav{display:flex}
  .nav a{padding:14px 8px;font-size:17px;border-bottom:1px solid var(--night-line);border-radius:0}
  .burger{display:inline-flex}
  .head__side{margin-left:auto}
  .hero__in{grid-template-columns:1fr;padding:76px 0 80px;gap:40px}
  .grid--3,.why,.steps,.chips{grid-template-columns:repeat(2,minmax(0,1fr))}
  .svc,.contact{grid-template-columns:1fr;gap:28px}
  .foot__in{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .sec{padding:68px 0}
  .head .btn{display:none}
  .head__in{gap:12px}
  .head__side{gap:8px}
  .brand{font-size:16px;gap:8px}
  .brand img{width:38px;height:38px}
  .lang a,.lang span{padding:5px 9px}
  .grid--3,.grid--2,.why,.steps,.chips,.form{grid-template-columns:1fr}
  .hero__btns .btn,.cta__btns .btn{width:100%}
  .cta__in{padding:56px 0}
  .faq summary{font-size:17.5px}
  .faq details p{padding-right:0}
  .foot__in{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
}