/* ==========================================================================
   CYBER QALQAN SYSTEMS — core styles (phase 1: base, header, hero, intro)
   ========================================================================== */
:root{
  --bg:#F7F3EF;
  --bg-2:#FBF9F6;
  --ink:#33383d;
  --ink-2:#6b7075;
  --muted:#9a9d98;
  --accent:#E67E22;
  --accent-d:#cf6d16;
  --line:#e7e1d8;
  --card:#ffffff;
  --shadow:0 18px 50px -24px rgba(58,64,71,.28);
  --radius:16px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:rgba(230,126,34,.22)}

/* living network — fixed behind everything */
#net-bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.page{position:relative;z-index:1}

.container{max-width:var(--container);margin:0 auto;padding:0 40px}

/* ---------- reusable bits ---------- */
.kicker{
  font-size:13.8px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;
  color:var(--accent);display:flex;flex-wrap:wrap;gap:.2em .9em;align-items:center;
}
.kicker .dot{color:var(--muted)}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:14px 26px;border-radius:10px;cursor:pointer;border:1.5px solid transparent;
  transition:transform .25s var(--ease),background .25s,box-shadow .25s,border-color .25s,color .25s;
}
.btn i{transition:transform .25s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -13px rgba(230,126,34,.56)}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:#d9d2c8}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.arrow{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:40;
  padding:20px 0;transition:padding .3s var(--ease),background .3s,box-shadow .3s;
  opacity:0;transform:translateY(-100%);
}
.header.scrolled{
  padding:12px 0;
  background:rgba(247,243,239,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--line),0 10px 30px -18px rgba(58,64,71,.35);
}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:24px}

.brand{display:flex;align-items:center;gap:12px}
.brand-mark{height:50px;width:auto;flex:none}
.bm-dark{display:none}
.header.scrolled .bm-light{display:none}
.header.scrolled .bm-dark{display:block}
/* header over the dark hero (top, not scrolled) → light contents */
.header:not(.scrolled) .brand-text b{color:#fff}
.header:not(.scrolled) .nav a{color:rgba(255,255,255,.82)}
.header:not(.scrolled) .nav a:hover{color:#fff}
.header:not(.scrolled) .burger{background:transparent;border-color:rgba(255,255,255,.3)}
.header:not(.scrolled) .burger span{background:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text b{font-size:15.5px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.brand-text i{font-size:8.5px;font-style:normal;letter-spacing:.42em;color:var(--accent);margin-top:3px}

.nav{display:flex;align-items:center;gap:28px}
.nav a{
  position:relative;font-size:13.5px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-2);transition:color .2s;padding:4px 0;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--accent);transition:width .25s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{width:100%}

.header-cta{display:flex;align-items:center;gap:14px}
.header-cta .btn{padding:11px 22px;font-size:14px}

.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.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 menu panel */
.mobile-menu{
  position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);z-index:45;
  background:var(--bg-2);box-shadow:-20px 0 60px -30px rgba(0,0,0,.4);
  transform:translateX(100%);transition:transform .4s var(--ease);
  display:flex;flex-direction:column;gap:6px;padding:34px 28px 28px;
}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{font-size:17px;font-weight:600;color:var(--ink);padding:12px 0;border-bottom:1px solid var(--line)}
.mobile-menu .mm-brand{border-bottom:none;padding:0;margin-bottom:14px}
.mobile-menu .mm-brand img{width:188px;height:auto;display:block}
.mobile-menu .btn{margin-top:18px;justify-content:center}
.scrim{position:fixed;inset:0;background:rgba(30,30,30,.35);opacity:0;visibility:hidden;
  transition:.3s;z-index:44}
.scrim.open{opacity:1;visibility:visible}

/* ==========================================================================
   HERO
   ========================================================================== */
/* HERO — single dark scene: live tech network (left) + office photo (right)
   dissolving into the graphite. */
.hero{position:relative;min-height:64vh;display:flex;align-items:center;
  padding:108px 0 44px;background:#1b1f24;overflow:hidden}
#hero-net{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.hero-photo{position:absolute;top:0;right:0;width:60%;height:100%;z-index:2;
  background:url(../img/about-office.jpg) center/cover;
  -webkit-mask-image:linear-gradient(to right,transparent 0%,rgba(0,0,0,.55) 32%,#000 60%);
  mask-image:linear-gradient(to right,transparent 0%,rgba(0,0,0,.55) 32%,#000 60%)}
.hero-photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to right,#1b1f24 0%,rgba(27,31,36,.35) 34%,rgba(27,31,36,0) 58%)}
.hero .container{
    position:relative;
    z-index:3;
    width:100%;
    display:flex;
    justify-content:flex-start;
}
.hero-copy{
    width:620px;
    margin-left:0;
}
.hero-copy{max-width:560px}
.hero h1{
  font-size:clamp(38px,5vw,60px);font-weight:400;line-height:1.08;letter-spacing:-.01em;
  margin:20px 0 24px;color:#fff;
}
.h1-line{display:block}
.hero-rule{display:block;height:3px;width:0;max-width:236px;background:var(--accent);border-radius:2px;margin:14px 0 4px}
.hero-lead{font-size:clamp(16px,1.3vw,18px);color:rgba(255,255,255,.66);max-width:470px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* ==========================================================================
   INTRO LOADER — approved splash (magnetic assembly), ported 1:1
   ========================================================================== */
#intro{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:var(--bg);overflow:hidden}
#intro-net{position:absolute;inset:0;width:100%;height:100%;z-index:0}
#intro .core{display:flex;flex-direction:column;align-items:flex-start;position:relative;z-index:1}
#intro .row{display:flex;align-items:flex-start;gap:36px}
#intro .txt{padding-top:12px}
#intro .mark{width:138px;height:auto;overflow:visible}
#intro .txt .tline{overflow:hidden;padding:2px 0}
#intro .txt .tline>span{display:inline-block}
#intro .txt .main{font-family:'Jost',sans-serif;font-weight:500;font-size:47px;line-height:1;letter-spacing:.015em;color:var(--ink)}
#intro .txt .sys{font-family:'Jost',sans-serif;font-weight:500;font-size:20px;letter-spacing:.44em;color:var(--accent);margin-top:8px}
#intro .txt .rule{height:1px;background:#ded7cd;margin:15px 0 13px;width:0}
#intro .txt .tag{font-family:'Jost',sans-serif;font-weight:400;font-size:11.5px;letter-spacing:.17em;color:var(--ink-2)}
#intro .txt .tag b{color:var(--accent);font-weight:600}
#intro .progress-wrap{width:100%;margin-top:28px}
#intro .p-label{font-size:12px;letter-spacing:.30em;color:var(--ink-2);margin-bottom:16px}
#intro .p-bar{display:flex;align-items:center;gap:20px}
#intro .p-track{position:relative;flex:1;height:3px;background:var(--line);border-radius:3px;overflow:hidden}
#intro .p-fill{position:absolute;inset:0 auto 0 0;width:0;background:var(--accent);border-radius:3px}
#intro .p-pct{width:48px;text-align:right;font-size:13px;color:var(--ink);font-variant-numeric:tabular-nums}

/* reveal helper */
.reveal{opacity:0}

/* ==========================================================================
   SECTIONS
   ========================================================================== */
.section{padding:60px 0;position:relative}
.section-head{max-width:860px;margin:0 0 34px;text-align:left}
.section-head .kicker{margin-bottom:13px;justify-content:flex-start}
.section-head .section-sub{max-width:none}
h2{font-size:clamp(28px,3.4vw,42px);font-weight:600;letter-spacing:-.01em;line-height:1.1;color:var(--ink)}
.section-sub{margin-top:16px;color:var(--ink-2);font-size:17px}
.ico{display:inline-flex;align-items:center;justify-content:center}
.ico svg{width:26px;height:26px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:14px;font-weight:600;color:var(--accent)}
.more .arrow{width:15px;height:15px}
.more:hover .arrow{transform:translateX(4px)}

/* solutions — 4 cards */
.cards-4{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cards-4 .card{padding:28px 22px;display:flex;flex-direction:column;align-items:center;text-align:center}
.cards-4 .card h3{font-size:17px}
.cards-4 .card p{font-size:13.5px}
.cards-4 .card .more{margin-top:auto;padding-top:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow);border-color:transparent}
.card .ico{width:52px;height:52px;border-radius:13px;background:rgba(230,126,34,.1);color:var(--accent);margin-bottom:20px}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14.5px;color:var(--ink-2)}

/* stats */
.stats{padding:26px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:20px;padding:46px 40px}
.stat{display:flex;flex-direction:column;align-items:center;text-align:center;gap:5px;position:relative}
.stat+.stat::before{content:"";position:absolute;left:-12px;top:6px;bottom:6px;width:1px;background:var(--line)}
.stat .ico{width:38px;height:38px;color:var(--accent);margin-bottom:6px}
.stat-num{font-size:clamp(32px,3.6vw,44px);font-weight:600;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.stat-label{font-size:13.5px;color:var(--ink-2)}

/* services grid (each opens a modal) */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.svc-item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font:inherit;color:var(--ink);
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 16px;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.svc-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent}
.svc-item .ico{width:38px;height:38px;flex:none;border-radius:10px;background:rgba(230,126,34,.1);color:var(--accent)}
.svc-item .ico svg{width:20px;height:20px}
.svc-item span:last-child{font-size:13.5px;font-weight:600;line-height:1.25}

/* about (own section) */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}
.about-visual{height:340px;border-radius:20px;border:1px solid var(--line);overflow:hidden;
  box-shadow:var(--shadow)}
.about-visual img{width:100%;height:100%;object-fit:cover;display:block}
.about-copy h2{margin:14px 0 18px}
.about-text{color:var(--ink-2);font-size:16px;margin-bottom:26px}

/* projects */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s}
.project:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.project-media{height:176px;display:flex;align-items:center;justify-content:center;color:#fff}
.project-media svg{width:46px;height:46px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:.95}
.project-media.m1{background:linear-gradient(135deg,#3a4047,#565e66)}
.project-media.m2{background:linear-gradient(135deg,#E67E22,#c9611a)}
.project-media.m3{background:linear-gradient(135deg,#4a5560,#2f363d)}
.project-body{padding:24px}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:rgba(230,126,34,.1);padding:5px 11px;border-radius:20px;margin-bottom:12px}
.project-body h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.project-body p{font-size:14px;color:var(--ink-2)}

/* tech / approach */
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tech{padding:28px 24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-2);text-align:center;
  transition:transform .3s var(--ease),background .3s,border-color .3s,box-shadow .3s}
.tech:hover{transform:translateY(-4px) scale(1.02);background:var(--card);border-color:transparent;box-shadow:var(--shadow)}
.tech .ico{width:48px;height:48px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--accent);margin:0 auto 16px}
.tech h4{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.tech p{font-size:13.5px;color:var(--ink-2)}

/* CTA band */
.cta-band{padding:40px 0 100px}
.cta-inner{background:linear-gradient(120deg,#33383d,#454c54);border-radius:24px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff;
  box-shadow:0 30px 60px -30px rgba(58,64,71,.55)}
.cta-inner h2{color:#fff;font-weight:600}
.cta-inner p{color:rgba(255,255,255,.72);margin-top:10px;font-size:16px}
.btn-lg{padding:16px 30px;font-size:16px}

/* footer */
.footer{background:#2b3036;color:#c9ccce;position:relative;z-index:1;padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;padding-bottom:44px;align-items:start}
.footer-grid .footer-col:last-child{text-align:right;justify-self:end}
.footer-logo{height:52px;width:auto;margin-bottom:18px}
.footer-brand p{font-size:14px;color:#9aa0a4;max-width:320px;margin-bottom:20px}
.socials{display:flex;gap:12px}
.socials a{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#c9ccce;transition:.25s}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.socials svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.footer-col h5{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:14px;color:#9aa0a4;padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#7f858a;gap:16px}
.footer-bottom a:hover{color:var(--accent)}
.fb-legal{display:flex;flex-direction:column;gap:5px}
.footer-tg{color:var(--accent)!important;font-weight:600;margin-top:10px}

/* section rhythm — "sandwich" bands + anchor offset */
[id]{scroll-margin-top:88px}
.band{background:var(--bg-2);box-shadow:inset 0 1px 0 var(--line),inset 0 -1px 0 var(--line)}

/* clickable cards are <button> — reset to look like blocks */
.card,.project{display:block;width:100%;text-align:left;font:inherit;color:inherit;cursor:pointer}
.tech{display:block;width:100%;text-align:center;font:inherit;color:inherit;cursor:pointer}
.card:focus-visible,.project:focus-visible,.tech:focus-visible,.svc-item:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* projects 3D carousel (coverflow) */
.carousel{position:relative;display:flex;align-items:center;justify-content:center;gap:6px}
.car-stage{position:relative;width:100%;max-width:860px;height:420px;perspective:1500px;overflow:hidden;cursor:grab}
.car-stage.dragging{cursor:grabbing}
.car-track{position:absolute;inset:0;transform-style:preserve-3d}
.car-card{position:absolute;top:50%;left:50%;width:296px;height:352px;
  transform:translate(-50%,-50%);transition:transform .6s var(--ease),opacity .55s var(--ease);
  background:linear-gradient(165deg,#363b41,#23272c);border:1px solid rgba(255,255,255,.09);
  border-radius:22px;box-shadow:0 40px 70px -34px rgba(0,0,0,.6);color:#fff;
  display:flex;flex-direction:column;align-items:center;text-align:center;padding:34px 26px;
  backface-visibility:hidden;will-change:transform,opacity}
.car-card.is-active{border-color:rgba(230,126,34,.45)}
.car-illus{width:116px;height:136px;margin-bottom:16px;filter:drop-shadow(0 12px 22px rgba(0,0,0,.4))}
.car-illus svg{width:100%;height:100%}
.car-illus .sh{fill:rgba(255,255,255,.03);stroke:currentColor;stroke-width:5;stroke-linejoin:round}
.car-illus .sym{fill:none;stroke:currentColor;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.car-illus.c-orange{color:#E67E22}
.car-illus.c-gray{color:#c2c6cb}
.car-card h3{font-size:22px;font-weight:800;margin-bottom:8px}
.car-card p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:auto}
.car-more{margin-top:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;padding:11px 22px;font-size:14px}
.car-more:hover{background:var(--accent);border-color:var(--accent)}
.car-arrow{flex:none;width:52px;height:52px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink);transition:.25s;z-index:30;position:relative}
.car-arrow:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.car-arrow svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.car-dots{position:absolute;bottom:-2px;left:0;right:0;display:flex;justify-content:center;gap:9px}
.car-dot{width:8px;height:8px;border-radius:50%;border:none;background:var(--line);cursor:pointer;transition:.25s;padding:0}
.car-dot.active{background:var(--accent);width:22px;border-radius:5px}

/* modal */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.modal.open{opacity:1;visibility:visible}
.modal-scrim{position:absolute;inset:0;background:rgba(28,30,34,.5);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.modal-card{position:relative;background:var(--card);border-radius:20px;max-width:520px;width:100%;
  max-height:88vh;overflow:auto;padding:40px;box-shadow:0 40px 90px -34px rgba(0,0,0,.55);
  transform:translateY(18px) scale(.98);transition:transform .35s var(--ease)}
.modal.open .modal-card{transform:none}
.modal-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:11px;
  border:1px solid rgba(230,126,34,.30);background:rgba(230,126,34,.10);cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--accent);transition:.2s}
.modal-close:hover{color:#fff;background:var(--accent);border-color:var(--accent);transform:rotate(90deg)}
.modal-close svg{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round}
.modal-body .kicker{margin-bottom:14px}
.modal-body h3{font-size:clamp(22px,3vw,27px);font-weight:800;color:var(--ink);margin-bottom:12px;line-height:1.15}
.modal-bot{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--accent);margin:2px 0 16px;transition:.2s}
.modal-bot:hover{color:var(--accent-d)}
.modal-bot svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.modal-lead{color:var(--ink-2);font-size:16px;margin-bottom:22px}
.modal-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.modal-list li{position:relative;padding-left:28px;font-size:15px;color:var(--ink)}
.modal-list li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:5px;background:rgba(230,126,34,.14)}
.modal-list li::after{content:"";position:absolute;left:5px;top:11px;width:6px;height:6px;border-radius:2px;background:var(--accent)}
.modal-sub{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:2px 0 14px}
.modal-tech{margin-bottom:26px}
.modal-tech li::before{background:rgba(58,64,71,.10)}
.modal-tech li::after{background:var(--ink-2)}
.modal-cta{width:100%;justify-content:center}

/* section responsive */
@media (max-width:1180px){ .cards-4{grid-template-columns:repeat(3,1fr)} }
@media (max-width:1000px){
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(3,1fr)}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .about-visual{height:220px}
  .cards-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 20px}
  .stat+.stat::before{display:none}
  .cta-inner{flex-direction:column;text-align:center;padding:40px 28px}
}
@media (max-width:680px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .car-stage{height:362px}
  .car-card{width:228px;height:306px;padding:24px 18px;border-radius:18px}
  .car-illus{width:94px;height:110px;margin-bottom:12px}
  .car-card h3{font-size:19px}
  .car-card p{font-size:13px}
  .car-more{padding:9px 18px;font-size:13px}
  .car-arrow{width:42px;height:42px}
}
@media (max-width:560px){
  .section{padding:58px 0}
  .cards-4{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;text-align:center;padding:34px 24px}
  .stat{align-items:center}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid .footer-col:last-child{text-align:left;justify-self:start}
  .footer-bottom .container{flex-direction:column;gap:10px;text-align:center}
  .fb-legal{align-items:center}
  .modal-card{padding:30px 24px}
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1000px){
  .nav,.header-cta .btn{display:none}
  .burger{display:flex}
  .hero{padding:120px 0 64px;min-height:auto}
  .hero-photo{width:100%;opacity:.28;
    -webkit-mask-image:linear-gradient(to bottom,transparent,#000 55%);
    mask-image:linear-gradient(to bottom,transparent,#000 55%)}
  .hero-photo::after{background:linear-gradient(to bottom,#1b1f24,rgba(27,31,36,.2))}
  .hero-copy{max-width:100%}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
}
@media (max-width:640px){
  #intro .row{gap:18px}
  #intro .mark{width:68px}
  #intro .txt .main{font-size:28px}
  #intro .txt .sys{font-size:12.5px;letter-spacing:.32em}
  #intro .txt .tag{font-size:10px}
  #intro .p-label{font-size:10.5px}

  #intro .progress-wrap{
    width:min(260px,90vw);
    margin-top:32px;
    align-self:center;
}
}