/* =========================================================
   한국종합안전기술(주) · KTST — Design System v3
   Modern engineering-firm style (기술사·엔지니어링 사무소 톤)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&family=IBM+Plex+Sans+KR:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* Brand (from KTST logo) */
  --kts-red:#e2382b;
  --kts-green:#1e7a3e;
  --kts-navy:#2d3a7a;

  /* Deep base */
  --ink:#161c2b;
  --dark-900:#0e1626;
  --dark-800:#161f36;
  --dark-700:#1e2c4d;
  --dark-600:#28407a;

  /* Accent — 로고의 네이비를 그대로 확장 (기존 '골드' 톤을 대체) */
  --gold:#2d3a7a;
  --gold-l:#5568b3;
  --gold-d:#1f2a5c;
  --ivory:#f7f4ee;
  --ivory-2:#efe9df;
  --cream:#fbf9f5;

  --slate:#586074;
  --muted:#8a8f9c;
  --line:#dedad0;
  --line-2:#eceae4;
  --paper:#ffffff;

  --maxw:1220px;
  --radius:6px;
  --radius-lg:10px;
  --shadow-s:0 1px 2px rgba(22,28,43,.06);
  --shadow-m:0 10px 28px rgba(22,28,43,.08);
  --shadow-l:0 24px 64px rgba(14,22,38,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:'IBM Plex Sans KR','Noto Sans KR',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --serif:'Gowun Batang',serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.7;letter-spacing:-.01em;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.wrap{width:min(var(--maxw),92vw);margin-inline:auto}
.section{padding:clamp(64px,8vw,112px) 0}
.section--ivory{background:var(--ivory)}
.section--cream{background:var(--cream)}
.section--dark{background:var(--dark-800);color:#fff}

/* ---------- Typography ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--mono);
  font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold-d);margin-bottom:20px;
}
.kicker::before{content:"";width:34px;height:1.5px;background:var(--gold)}
.section--dark .kicker,.cta .kicker{color:#9aa8d6}
.h-xl{font-family:var(--serif);font-size:clamp(2.1rem,4.8vw,3.5rem);font-weight:700;line-height:1.26;letter-spacing:-.01em;text-wrap:balance}
.h-lg{font-family:var(--serif);font-size:clamp(1.7rem,3.5vw,2.6rem);font-weight:700;line-height:1.32;letter-spacing:-.01em;text-wrap:balance}
.h-md{font-family:var(--serif);font-size:clamp(1.2rem,2vw,1.5rem);font-weight:600}
.lead{font-size:clamp(1.02rem,1.35vw,1.16rem);color:var(--slate);max-width:62ch}
.section--dark .lead{color:#c6d0de}
.center{text-align:center}
.center .lead{margin-inline:auto}
.mt-s{margin-top:14px}.mt-m{margin-top:26px}.mt-l{margin-top:46px}
.mono,.card__no,.stat b,td.mono,td .tag,.deftable .mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:6px;font-weight:700;font-size:.94rem;letter-spacing:.01em;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,color .3s;
  cursor:pointer;border:0;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn--gold{background:var(--gold-d);color:#fff;box-shadow:0 10px 22px rgba(31,42,92,.28)}
.btn--gold:hover{transform:translateY(-2px);background:var(--dark-600);box-shadow:0 14px 30px rgba(31,42,92,.34)}
.btn--dark{background:var(--dark-800);color:#fff}
.btn--dark:hover{transform:translateY(-2px);background:var(--dark-700);box-shadow:var(--shadow-m)}
.btn--ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--outline{background:transparent;color:var(--dark-800);border:1.5px solid var(--line)}
.btn--outline:hover{border-color:var(--gold);color:var(--gold-d);transform:translateY(-2px)}

/* ---------- Header (레거시: 현재는 backbar.css로 대체됨) ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s,box-shadow .4s,padding .4s;padding:20px 0}
.site-header.scrolled{background:rgba(251,249,245,.9);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--line),0 12px 34px rgba(14,22,38,.07);padding:12px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px}
.brand__mark{height:44px;width:auto;transition:height .4s}
.scrolled .brand__mark{height:40px}
.brand__mark--dark{display:none}
.scrolled .brand__mark--light{display:none}
.scrolled .brand__mark--dark{display:block}
.brand__txt{line-height:1.2}
.brand__ko{display:block;font-weight:700;font-size:1.08rem;color:#fff;letter-spacing:-.01em;transition:color .4s}
.brand__en{display:block;font-size:.64rem;font-weight:600;letter-spacing:.2em;color:rgba(255,255,255,.65);transition:color .4s}
.scrolled .brand__ko{color:var(--dark-800)}
.scrolled .brand__en{color:var(--muted)}

.menu{display:flex;align-items:center;gap:4px}
.menu a{padding:10px 15px;border-radius:6px;font-weight:600;font-size:.95rem;color:rgba(255,255,255,.92);transition:color .3s,background .3s}
.scrolled .menu a{color:var(--slate)}
.menu a:hover{color:#fff;background:rgba(255,255,255,.12)}
.scrolled .menu a:hover{color:var(--gold-d);background:var(--ivory)}
.menu a.active{color:#9aa8d6}
.scrolled .menu a.active{color:var(--gold-d)}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__tel{display:flex;flex-direction:column;align-items:flex-end;line-height:1.15}
.nav__tel small{font-size:.64rem;letter-spacing:.14em;color:rgba(255,255,255,.6)}
.scrolled .nav__tel small{color:var(--muted)}
.nav__tel b{font-size:1.04rem;color:#fff;letter-spacing:.02em}
.scrolled .nav__tel b{color:var(--dark-800)}
.nav__btn{padding:11px 22px;font-size:.9rem}
.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:0;cursor:pointer}
.burger span{width:24px;height:2px;background:#fff;transition:.3s;border-radius:2px}
.scrolled .burger span{background:var(--dark-800)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;color:#fff;
  background:linear-gradient(165deg,var(--dark-800),var(--dark-900))}
.hero .wrap{position:relative;z-index:2;padding:140px 0 60px}
.hero__inner{max-width:860px}
.hero__badge{display:inline-flex;align-items:center;gap:9px;padding:8px 18px;border:1px solid rgba(255,255,255,.22);border-radius:100px;background:rgba(255,255,255,.06);font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#c6d0de;margin-bottom:28px}
.hero__badge .dot{width:7px;height:7px;border-radius:50%;background:var(--kts-green);box-shadow:0 0 0 4px rgba(30,122,62,.3)}
.hero h1{font-family:var(--serif);font-size:clamp(2.4rem,6vw,4.2rem);font-weight:700;line-height:1.24;letter-spacing:-.01em;text-wrap:balance}
.hero h1 .grad{color:#9aa8d6}
.hero__sub{margin-top:26px;font-size:clamp(1.02rem,1.5vw,1.2rem);color:#cdd6e4;max-width:56ch;line-height:1.75}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero__scroll{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.5);font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-align:center}
.hero__scroll .mouse{width:24px;height:38px;border:1.5px solid rgba(255,255,255,.32);border-radius:14px;margin:0 auto 8px;position:relative}
.hero__scroll .mouse::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:3px;height:8px;border-radius:2px;background:#9aa8d6;animation:scrolldot 1.8s infinite}
@keyframes scrolldot{0%{opacity:0;top:6px}40%{opacity:1}80%{opacity:0;top:18px}}

/* ---------- Estimate bar ---------- */
.ebar{position:relative;z-index:3;margin-top:52px;background:rgba(251,249,245,.97);border-radius:10px;box-shadow:var(--shadow-l);padding:12px;display:grid;grid-template-columns:repeat(4,1fr) auto;gap:6px;align-items:stretch;max-width:960px}
.ebar__f{display:flex;flex-direction:column;gap:5px;padding:12px 16px;border-right:1px solid var(--line)}
.ebar__f:nth-child(4){border-right:0}
.ebar__f label{font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-d)}
.ebar__f input,.ebar__f select{border:0;background:transparent;font-family:inherit;font-size:.98rem;font-weight:600;color:var(--ink);padding:2px 0;outline:none;width:100%}
.ebar__btn{border:0;border-radius:6px;background:var(--gold-d);color:#fff;font-weight:700;font-size:.98rem;padding:0 30px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:.3s var(--ease)}
.ebar__btn svg{width:18px;height:18px;flex:none}
.ebar__btn:hover{background:var(--dark-600)}

/* ---------- Page hero ---------- */
.phero{position:relative;padding:168px 0 80px;color:#fff;overflow:hidden;background:linear-gradient(165deg,var(--dark-800),var(--dark-900))}
.phero .wrap{position:relative;z-index:2}
.crumb{font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:#a6b4c8;margin-bottom:18px}
.crumb a:hover{color:#fff}
.phero h1{font-family:var(--serif);font-size:clamp(2rem,4.6vw,3.3rem);font-weight:700;letter-spacing:-.01em}
.phero p{margin-top:16px;color:#c6d0de;max-width:58ch;font-size:1.05rem}

/* ---------- Grid ---------- */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);padding:32px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--gold-l)}
.card__ico{width:52px;height:52px;border-radius:8px;display:grid;place-items:center;background:var(--ivory);color:var(--gold-d);margin-bottom:22px;border:1px solid var(--line)}
.card__ico svg{width:26px;height:26px}
.card h3{font-family:var(--serif);font-size:1.2rem;font-weight:700;letter-spacing:-.005em}
.card p{margin-top:12px;color:var(--slate);font-size:.96rem}
.card__no{font-size:.92rem;font-weight:600;color:var(--gold);letter-spacing:.06em}
.svc__link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:700;color:var(--gold-d);font-size:.89rem;letter-spacing:.01em}
.svc:hover .svc__link{gap:10px}

/* ---------- 공인 인증서 카드 (등록증·신고증 — 관공서 서류 톤) ---------- */
.card--cert{border-top:3px solid var(--gold-d);text-align:left}
.card--cert .card__ico{display:none}
.card--cert h3{font-size:1.05rem}
.card--cert p{font-family:var(--mono);font-size:.85rem;color:var(--slate);line-height:1.8}

/* ---------- 플래그십 서비스 카드 (핵심 서비스 강조용 변형) ---------- */
.card--flagship{border-left:3px solid var(--gold);padding-left:29px}
.card--wide{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.card--wide h3{margin:0}
@media(max-width:640px){.card--wide{flex-direction:column;align-items:flex-start}}

/* ---------- 데이터 칩 (법조문/기한/대상 수치) ---------- */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{font-family:var(--mono);font-size:11px;font-weight:600;padding:4px 10px;border-radius:4px;background:var(--ivory);color:var(--gold-d);letter-spacing:.01em;border:1px solid var(--line)}
.chip--warn{background:#fdf1e8;color:#96501f;border-color:#f3ddc4}

/* ---------- 보조 서비스 컴팩트 리스트 (카드 대신 행 형태) ---------- */
.svcrow-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.svcrow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-top:1px solid var(--line)}
.svcrow:first-child{border-top:none}
.svcrow__no{font-family:var(--mono);font-size:.78rem;color:var(--muted);flex:none;width:28px}
.svcrow__body{flex:1}
.svcrow__title{font-weight:700;font-size:.98rem;color:var(--dark-800)}
.svcrow__desc{color:var(--slate);font-size:.85rem;margin-top:2px}
.svcrow__link{font-size:.85rem;font-weight:700;color:var(--gold-d);white-space:nowrap;flex:none}

/* ---------- Badges ---------- */
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.badge{display:flex;gap:16px;align-items:flex-start;padding:24px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13)}
.badge__ico{width:44px;height:44px;flex:none;border-radius:8px;display:grid;place-items:center;background:rgba(255,255,255,.1);color:#fff}
.badge__ico svg{width:23px;height:23px}
.badge b{display:block;font-size:1.02rem;color:#fff}
.badge span{font-size:.85rem;color:#a6b4c8}
.badge--cert{border-left:3px solid var(--gold-l);background:rgba(255,255,255,.03)}
.badge--cert .badge__ico{display:none}
.badge--cert span{font-family:var(--mono)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;text-align:center;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.stat{padding:26px 18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(1.6rem,2.8vw,2.1rem);font-weight:500;color:var(--slate);line-height:1}
.stat b .u{font-size:.9rem;color:var(--slate);margin-left:2px}
.stat > span{display:block;margin-top:12px;color:var(--slate);font-size:.9rem;font-weight:600;letter-spacing:.01em}

/* ---------- Table ---------- */
.tbl-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-s)}
table{width:100%;border-collapse:collapse;min-width:560px;background:#fff}
th,td{padding:15px 20px;text-align:left;font-size:.95rem;border-bottom:1px solid var(--line-2)}
thead th{background:var(--dark-800);color:#fff;font-weight:600;letter-spacing:.01em;border-bottom:0}
tbody tr:nth-child(even){background:var(--ivory)}
tbody tr:hover{background:var(--ivory-2)}
td .tag{display:inline-block;padding:4px 12px;border-radius:4px;background:var(--ivory-2);color:var(--gold-d);font-weight:600;font-size:.82rem}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.step{position:relative;padding:28px 20px;border-radius:var(--radius);background:#fff;border:1px solid var(--line-2);transition:.3s var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--gold-l)}
.step__n{counter-increment:s;font-family:var(--mono);width:42px;height:42px;border-radius:6px;display:grid;place-items:center;font-weight:600;font-size:1rem;color:var(--gold-d);background:var(--ivory);border:1px solid var(--line);margin-bottom:16px}
.step__n::before{content:"0" counter(s)}
.step h4{font-family:var(--serif);font-size:1.03rem;font-weight:700}
.step p{margin-top:8px;font-size:.88rem;color:var(--slate)}

/* ---------- Checks ---------- */
.checks{display:grid;gap:14px}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:1rem;color:var(--slate)}
.checks svg{width:22px;height:22px;flex:none;color:var(--kts-green);margin-top:2px}
.section--dark .checks li{color:#c6d0de}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split__media{border-radius:var(--radius-lg);min-height:360px;position:relative;overflow:hidden;background:linear-gradient(165deg,var(--dark-700),var(--dark-900));border:1px solid rgba(255,255,255,.08)}
.split__media .emblem{position:absolute;inset:0;display:grid;place-items:center}

/* ---------- Def table ---------- */
.deftable{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.defrow{display:grid;grid-template-columns:210px 1fr;border-bottom:1px solid var(--line-2)}
.defrow:last-child{border-bottom:0}
.defrow dt{background:var(--ivory);padding:16px 24px;font-weight:700;color:var(--dark-800)}
.defrow dd{padding:16px 24px;color:var(--slate)}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:clamp(44px,6vw,72px);color:#fff;text-align:center;background:var(--dark-800)}
.cta h2{font-family:var(--serif);font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:700;letter-spacing:-.01em}
.cta p{margin-top:16px;color:#c6d0de;max-width:54ch;margin-inline:auto}
.cta .hero__cta{justify-content:center;margin-top:32px}

/* ---------- Form ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(26px,4vw,42px);box-shadow:var(--shadow-m)}
.field{margin-bottom:20px}
.field label{display:block;font-weight:700;font-size:.88rem;margin-bottom:8px;color:var(--dark-800)}
.field label .req{color:var(--kts-red)}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:6px;font-family:inherit;font-size:1rem;color:var(--ink);background:var(--cream);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(45,58,122,.12)}
.field textarea{resize:vertical;min-height:130px}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-note{font-size:.83rem;color:var(--muted);margin-top:8px}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line-2)}
.faq details:last-child{border-bottom:0}
.faq summary{padding:20px 24px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:16px;list-style:none;color:var(--dark-800)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:1.3rem;color:var(--gold-d);transition:transform .3s;line-height:1}
.faq details[open] summary{background:var(--ivory)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq__a{padding:0 24px 22px;color:var(--slate)}

/* ---------- Contact cards ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.ccard{display:flex;gap:16px;padding:22px;border:1px solid var(--line-2);border-radius:var(--radius);background:#fff;transition:.25s var(--ease)}
.ccard:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--gold-l)}
.ccard__ico{width:46px;height:46px;flex:none;border-radius:8px;display:grid;place-items:center;background:var(--ivory);color:var(--gold-d)}
.ccard__ico svg{width:22px;height:22px}
.ccard small{color:var(--muted);font-family:var(--mono);font-size:.76rem;letter-spacing:.03em}
.ccard b{display:block;font-size:1.02rem;color:var(--dark-800);margin-top:2px}

/* ---------- Footer ---------- */
.footer{background:var(--dark-900);color:#a6b4c8;padding:70px 0 0}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer .brand__mark{height:46px}
.footer .brand__ko{color:#fff}
.footer h5{font-family:var(--serif);color:#fff;font-size:.96rem;font-weight:700;margin-bottom:18px;letter-spacing:.01em}
.footer li{margin-bottom:11px;font-size:.9rem}
.footer a:hover{color:#fff}
.footer__info{margin-top:22px;font-size:.89rem;line-height:1.9}
.footer__info b{color:#cdd7e6;font-weight:600}
.footer__badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.footer__badges span{font-family:var(--mono);font-size:.74rem;padding:6px 12px;border:1px solid rgba(255,255,255,.18);border-radius:4px;color:#9aa8d6}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:22px 0;font-size:.82rem;color:#6a7891}

/* ---------- Mobile quick bar ---------- */
.quickbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;grid-template-columns:1fr 1fr;background:var(--dark-800);box-shadow:0 -8px 24px rgba(14,22,38,.3)}
.quickbar a{padding:15px;text-align:center;color:#fff;font-weight:700;font-size:.94rem;display:flex;align-items:center;justify-content:center;gap:8px}
.quickbar a svg{width:18px;height:18px}
.quickbar a+a{border-left:1px solid rgba(255,255,255,.12)}
.quickbar a.q-quote{background:var(--gold-d);color:#fff}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .g-4,.g-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .badges{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:36px}
  .footer__top{grid-template-columns:1fr 1fr}
  .nav__tel{display:none}
  .ebar{grid-template-columns:repeat(2,1fr);max-width:520px}
  .ebar__f:nth-child(2){border-right:0}
  .ebar__btn{grid-column:1/-1;padding:15px}
}
@media(max-width:720px){
  .menu,.nav__cta .nav__btn{display:none}
  .burger{display:flex}
  .menu.open{display:flex;position:absolute;top:100%;left:4vw;right:4vw;flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:14px;border-radius:10px;box-shadow:var(--shadow-l);margin-top:10px}
  .menu.open a{color:var(--slate)}
  .g-2,.g-3,.g-4,.steps,.form-2,.contact-cards,.defrow{grid-template-columns:1fr}
  .svcgrid .card--flagship{grid-column:span 1}
  .svcrow{flex-direction:column;align-items:flex-start;gap:8px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:1px solid var(--line);padding:22px 12px}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .stat b{font-size:1.4rem}
  .defrow dt{background:var(--ivory)}
  .quickbar{display:grid}
  body{padding-bottom:54px}
  .ebar{grid-template-columns:1fr;max-width:380px}
  .ebar__f{border-right:0;border-bottom:1px solid var(--line)}
  .footer__top{grid-template-columns:1fr}
}