/* =========================================================
   Perfect Investment Company — Fotowoltaika & Magazyny energii
   Design system
   Palette: photovoltaic navy + solar gold + sky blue
   Type: Spectral (serif) / Manrope (sans) / IBM Plex Mono (data)
   ========================================================= */

:root{
  /* surfaces */
  --ink:#0d1b2a; --ink-2:#13263b; --ink-3:#1c3149;
  --paper:#ffffff; --paper-2:#f4f7fa; --paper-3:#eaf1f8;
  --line:#e3e9f0; --line-2:#d2dde9;

  /* text */
  --text:#15222f; --muted:#566476; --muted-2:#7d8b9d;
  --on-dark:#eaf1f9; --on-dark-soft:#a9bace;

  /* brand accents */
  --sun:#f4a81d; --sun-2:#df8e08; --sun-soft:#fdecc7;
  --sky:#2073bd; --sky-2:#175c9c;

  /* type */
  --serif:'Spectral', Georgia, 'Times New Roman', serif;
  --sans:'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* shape */
  --r:14px; --r-sm:9px; --r-lg:22px;
  --shadow:0 1px 2px rgba(13,27,42,.04), 0 10px 30px rgba(13,27,42,.07);
  --shadow-lg:0 30px 70px -25px rgba(13,27,42,.35);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--sans);font-size:17px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

/* layout helpers */
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:96px}
.section--tight{padding-block:64px}
section[id]{scroll-margin-top:90px}

/* eyebrow / labels (mono) */
.eyebrow{
  font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sky);display:inline-flex;align-items:center;gap:10px;margin:0 0 18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--sun);display:inline-block}
.eyebrow--light{color:var(--sun)}
.eyebrow--center{justify-content:center}

/* headings */
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.1;color:var(--text);margin:0}
.h1{font-size:clamp(2.3rem,5.2vw,4rem);letter-spacing:-.01em;font-weight:600}
.h2{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.01em;font-weight:600}
.h3{font-size:1.32rem;font-weight:600}
.lead{font-size:1.16rem;color:var(--muted);line-height:1.7;font-weight:400}
.section-head{max-width:680px;margin-bottom:54px}
.section-head.center{margin-inline:auto;text-align:center}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--sans);font-weight:700;font-size:15px;letter-spacing:.01em;
  padding:14px 26px;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease), background .25s, box-shadow .25s, color .2s, border-color .2s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:none}
.btn--sun{background:var(--sun);color:#221603;box-shadow:0 8px 22px -8px rgba(244,168,29,.65)}
.btn--sun:hover{background:var(--sun-2);transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(244,168,29,.7)}
.btn--ghost{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.28)}
.btn--ghost:hover{border-color:var(--sun);color:#fff;transform:translateY(-2px)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn--block{width:100%}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 6px 24px -12px rgba(13,27,42,.22)}
.nav{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:8px}
.nav-links a{
  font-size:15px;font-weight:600;color:var(--text);position:relative;padding:6px 0;letter-spacing:.005em;
  transition:color .2s;white-space:nowrap;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--sun);transition:width .28s var(--ease)}
.nav-links a:hover{color:var(--sky-2)}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-phone{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:14px;font-weight:500;color:var(--text)}
.nav-phone svg{width:16px;height:16px;color:var(--sky)}

/* language switcher */
.lang{display:inline-flex;border:1px solid var(--line-2);border-radius:999px;overflow:hidden;background:#fff}
.lang button{
  border:none;background:transparent;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.04em;
  padding:7px 11px;color:var(--muted);cursor:pointer;transition:background .2s,color .2s;text-transform:uppercase;
}
.lang button:hover{color:var(--text)}
.lang button.active{background:var(--ink);color:#fff}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile dropdown menu — hidden on desktop, shown via .open inside mobile breakpoint */
.nav-mobile{display:none}

/* =========================================================
   HERO  (signature: PV grid + sun glow)
   ========================================================= */
.hero{position:relative;background:var(--ink);color:var(--on-dark);overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-3}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero__overlay{
  position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(105deg, var(--ink) 18%, rgba(13,27,42,.82) 48%, rgba(13,27,42,.45) 100%),
    linear-gradient(0deg, var(--ink) 2%, rgba(13,27,42,0) 42%);
}
.hero__glow{
  position:absolute;z-index:-2;width:60vw;height:60vw;max-width:760px;max-height:760px;
  top:-16%;right:-10%;border-radius:50%;
  background:radial-gradient(circle, rgba(244,168,29,.42) 0%, rgba(244,168,29,.12) 38%, transparent 66%);
  filter:blur(8px);
}
.hero__grid{
  position:absolute;inset:0;z-index:-1;opacity:.13;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:54px 30px;
  -webkit-mask-image:linear-gradient(95deg, #000 35%, transparent 78%);
          mask-image:linear-gradient(95deg, #000 35%, transparent 78%);
}
.hero .container{position:relative;padding-block:104px 0}
.hero__inner{max-width:760px}
.hero h1{color:#fff;margin-bottom:22px}
.hero h1 .accent{color:var(--sun);font-style:italic;font-weight:500}
.hero__sub{font-size:1.2rem;color:var(--on-dark-soft);max-width:600px;line-height:1.7;margin-bottom:34px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:64px}
.hero__stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.14);
}
.stat{padding:26px 26px 40px 0;border-right:1px solid rgba(255,255,255,.1)}
.stat:last-child{border-right:none}
.stat__num{font-family:var(--serif);font-size:2rem;font-weight:600;color:#fff;line-height:1}
.stat__num.mono{font-family:var(--mono);font-size:1.45rem;letter-spacing:-.01em}
.stat__lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--on-dark-soft);margin-top:10px}

/* =========================================================
   APPROACH BAND (Projektujemy. Budujemy. ...)
   ========================================================= */
.approach{background:var(--ink-2);color:var(--on-dark);border-top:1px solid rgba(255,255,255,.06)}
.approach__head{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:40px}
.approach__head .verbs{font-family:var(--serif);font-size:clamp(1.4rem,2.6vw,2rem);color:#fff;font-weight:500}
.approach__head .verbs b{color:var(--sun);font-weight:500}
.approach__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:var(--r)}
.appr{background:var(--ink-2);padding:30px 26px;transition:background .3s}
.appr:hover{background:var(--ink-3)}
.appr__ico{width:42px;height:42px;color:var(--sun);margin-bottom:18px}
.appr__ico svg{width:100%;height:100%;stroke-width:1.4}
.appr h3{color:#fff;font-size:1.18rem;margin-bottom:9px}
.appr p{color:var(--on-dark-soft);font-size:.96rem;line-height:1.6;margin:0}

/* =========================================================
   ABOUT
   ========================================================= */
.about__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about__media{position:relative}
.about__media img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;aspect-ratio:4/5;object-fit:cover}
.about__badge{
  position:absolute;left:-22px;bottom:32px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);padding:18px 22px;box-shadow:var(--shadow);
}
.about__badge .y{font-family:var(--serif);font-size:2.1rem;font-weight:700;color:var(--ink);line-height:1}
.about__badge .t{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.about p{margin:0 0 18px}
.checks{list-style:none;padding:0;margin:24px 0;display:grid;gap:12px}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:1.02rem}
.checks svg{width:21px;height:21px;color:var(--sun);flex:none;margin-top:3px}
.about__note{
  margin-top:26px;padding:16px 20px;border-left:3px solid var(--sun);background:var(--paper-2);
  border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:.97rem;color:var(--muted);
}

/* =========================================================
   ADVANTAGES
   ========================================================= */
.adv{background:var(--paper-2)}
.adv__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.adv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-2)}
.adv-card__ico{width:46px;height:46px;border-radius:11px;background:var(--sun-soft);display:grid;place-items:center;margin-bottom:20px}
.adv-card__ico svg{width:24px;height:24px;color:var(--sun-2);stroke-width:1.6}
.adv-card h3{font-size:1.16rem;margin-bottom:8px}
.adv-card p{margin:0;color:var(--muted);font-size:.97rem;line-height:1.6}

/* =========================================================
   SERVICES
   ========================================================= */
.services__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.svc{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s,border-color .3s;
}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.svc__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.svc:hover .svc__media img{transform:scale(1.06)}
.svc__num{
  position:absolute;top:14px;left:14px;font-family:var(--mono);font-size:12px;font-weight:500;
  color:#fff;background:rgba(13,27,42,.72);backdrop-filter:blur(4px);
  padding:5px 11px;border-radius:999px;letter-spacing:.05em;
}
.svc__body{padding:28px 28px 30px;display:flex;flex-direction:column;flex:1}
.svc__body h3{font-size:1.34rem;margin-bottom:10px}
.svc__desc{color:var(--muted);font-size:.99rem;margin-bottom:18px;line-height:1.6}
.svc__list{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:9px}
.svc__list li{position:relative;padding-left:22px;font-size:.95rem;color:var(--text);line-height:1.5}
.svc__list li::before{
  content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;border-radius:2px;
  background:var(--sun);transform:rotate(45deg)
}
.svc__link{margin-top:auto;font-family:var(--mono);font-size:13px;font-weight:500;color:var(--sky-2);
  display:inline-flex;align-items:center;gap:7px;letter-spacing:.03em;transition:gap .25s,color .2s}
.svc__link svg{width:15px;height:15px}
.svc__link:hover{color:var(--ink);gap:11px}

/* =========================================================
   PROCESS (numbered 01–04 — real sequence)
   ========================================================= */
.process{background:var(--ink);color:var(--on-dark);position:relative;overflow:hidden}
.process__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:50px}
.step{padding:34px 28px 34px 0;position:relative;border-top:2px solid rgba(255,255,255,.16)}
.step::after{content:"";position:absolute;top:-2px;left:0;width:46px;height:2px;background:var(--sun)}
.step__n{font-family:var(--mono);font-size:13px;color:var(--sun);letter-spacing:.1em;margin-bottom:18px}
.step h3{color:#fff;font-size:1.22rem;margin-bottom:11px}
.step p{color:var(--on-dark-soft);font-size:.96rem;line-height:1.6;margin:0}

/* =========================================================
   PORTFOLIO / GALLERY
   ========================================================= */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:230px;gap:16px}
.gal{position:relative;overflow:hidden;border-radius:var(--r);background:var(--ink)}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),opacity .4s}
.gal::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,27,42,.55),transparent 55%);opacity:.7;transition:opacity .3s}
.gal:hover img{transform:scale(1.07)}
.gal:hover::after{opacity:.35}
.gal__cap{position:absolute;left:16px;bottom:14px;z-index:2;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.gal.tall{grid-row:span 2}
.gal.wide{grid-column:span 2}

/* =========================================================
   CAREERS PAGE
   ========================================================= */
.hero--page .container{padding-block:92px 84px}
.hero--page .hero__cta{margin-bottom:0}
.hero--page .hero__sub{margin-bottom:30px}

.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cjobs{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.job{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 30px 32px;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.job:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.job__head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.job__head h3{font-size:1.3rem}
.job__meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--sky-2);background:var(--paper-3);padding:6px 12px;border-radius:999px;white-space:nowrap}
.job__desc{color:var(--muted);font-size:1rem;line-height:1.6;margin:0 0 18px}
.job__reqt{font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.job .svc__list{margin-bottom:24px}
.job .btn{align-self:flex-start;margin-top:auto}
@media (max-width:900px){.cgrid{grid-template-columns:1fr 1fr}}
@media (max-width:820px){.cjobs{grid-template-columns:1fr}}
@media (max-width:560px){.cgrid{grid-template-columns:1fr}}

/* =========================================================
   FAQ (Q&A — optimised for AI search / GEO)
   ========================================================= */
.faq-list{max-width:820px;margin-inline:auto;display:grid;gap:14px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;font-family:var(--serif);font-size:1.16rem;font-weight:600;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--sans);font-weight:400;font-size:1.6rem;color:var(--sun-2);transition:transform .3s var(--ease);flex:none;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 26px 24px;color:var(--muted);line-height:1.7;font-size:1.02rem}
.faq-a p{margin:0}

/* =========================================================
   CONTACT
   ========================================================= */
.contact{background:var(--paper-2)}
.contact__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--shadow)}
.field{margin-bottom:20px}
.field label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{
  width:100%;font-family:var(--sans);font-size:16px;color:var(--text);
  padding:13px 15px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:#fdfefe;
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--sun);box-shadow:0 0 0 3px var(--sun-soft)}
.field textarea{resize:vertical;min-height:128px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__note{font-size:12.5px;color:var(--muted-2);margin-top:6px}
.form__msg{margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);font-size:.95rem;display:none}
.form__msg.ok{display:block;background:#e8f6ee;color:#1f6b43;border:1px solid #bfe6cf}
.form__msg.err{display:block;background:#fdecec;color:#a23030;border:1px solid #f3c9c9}

.contact-info{display:grid;gap:14px}
.ci-card{display:flex;gap:16px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;transition:border-color .2s,transform .2s}
.ci-card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.ci-card__ico{width:42px;height:42px;border-radius:10px;background:var(--paper-3);display:grid;place-items:center;flex:none}
.ci-card__ico svg{width:21px;height:21px;color:var(--sky);stroke-width:1.6}
.ci-card .t{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);margin-bottom:4px}
.ci-card .v{font-size:1.02rem;font-weight:600;color:var(--text);line-height:1.4}
.ci-card .v a:hover{color:var(--sky-2)}
.socials{display:flex;gap:10px;margin-top:6px}
.socials a{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;background:var(--paper);transition:.25s}
.socials a svg{width:20px;height:20px;color:var(--ink);transition:color .2s}
.socials a:hover{background:var(--ink);transform:translateY(-3px)}
.socials a:hover svg{color:#fff}
.legal-box{margin-top:8px;padding:18px 22px;border:1px dashed var(--line-2);border-radius:var(--r);font-size:.86rem;color:var(--muted);line-height:1.6}
.legal-box b{color:var(--text);font-weight:600}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--ink);color:var(--on-dark-soft);padding-block:64px 28px}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand img{height:34px;margin-bottom:18px}
.footer__brand .tag{font-family:var(--serif);font-style:italic;font-size:1.05rem;color:var(--on-dark);max-width:300px;line-height:1.5}
.footer__col h4{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--sun);margin-bottom:18px}
.footer__col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer__col a,.footer__col li{font-size:.96rem;color:var(--on-dark-soft);transition:color .2s}
.footer__col a:hover{color:#fff}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;flex-wrap:wrap}
.footer__bottom p{margin:0;font-size:.85rem;color:#7a8ba0}
.footer__bottom .made{font-family:var(--mono);font-size:11px;letter-spacing:.04em}

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
.reveal{opacity:1;transform:none}
.has-js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.has-js .reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1040px){
  .about__grid{grid-template-columns:1fr;gap:40px}
  .about__media{max-width:460px}
  .contact__grid{grid-template-columns:1fr;gap:36px}
  .footer__top{grid-template-columns:1fr 1fr;gap:34px}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:900px){
  .nav-links,.nav-phone{display:none}
  .nav-cta{display:none}
  .burger{display:flex}
  .nav-right{gap:10px}
  .nav-mobile{
    position:fixed;inset:74px 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:18px 24px 26px;display:none;flex-direction:column;gap:4px;box-shadow:var(--shadow);z-index:55;
  }
  .nav-mobile.open{display:flex}
  .nav-mobile a{padding:13px 6px;font-size:1.05rem;font-weight:600;border-bottom:1px solid var(--line)}
  .nav-mobile a:last-of-type{border-bottom:none}
  .nav-mobile .btn{margin-top:14px}
  .approach__grid,.services__grid,.adv__grid,.process__grid,.hero__stats,.gallery{grid-template-columns:1fr 1fr}
  .gal.wide{grid-column:span 2}
  .process__grid .step{border-top:none;padding:22px 0}
  .process__grid .step::after{display:none}
  .step{border-left:2px solid rgba(255,255,255,.16);padding-left:20px!important;position:relative}
  .step::before{content:"";position:absolute;left:-2px;top:0;width:2px;height:46px;background:var(--sun)}
}
@media (max-width:680px){
  body{font-size:16px}
  .section{padding-block:64px}
  .hero .container{padding-block:72px 0}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .hero__stats,.approach__grid,.services__grid,.adv__grid,.gallery{grid-template-columns:1fr}
  .gal.wide,.gal.tall{grid-column:auto;grid-row:auto}
  .gallery{grid-auto-rows:200px}
  .stat{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:20px 0}
  .stat:last-child{border-bottom:none}
  .about__badge{left:0}
  .footer__top{grid-template-columns:1fr}
  .form{padding:26px}
  .section-head{margin-bottom:38px}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal,.has-js .reveal{opacity:1!important;transform:none!important}
}

/* focus visibility */
:focus-visible{outline:2px solid var(--sun);outline-offset:3px;border-radius:3px}