/* ================= ธนกฤษ แอร์ ช่างหนุ่ม ขอนแก่น — stylesheet ================= */
:root{
  --navy-950:#04122B; --navy-900:#071E45; --navy-800:#0B2C6B; --navy-700:#123E86;
  --blue-600:#1B5BC4; --blue-500:#2E7BE8; --sky-400:#38BDF8; --sky-300:#7DD3FC;
  --ice:#E9F1FF; --paper:#F4F8FE; --white:#fff;
  --ink:#0C1B33; --ink-2:#46597A; --ink-3:#7488A8;
  --line:rgba(11,44,107,.10); --line-2:rgba(11,44,107,.16);
  --line-green:#06C755;
  --sh-s:0 2px 10px rgba(7,30,69,.06);
  --sh-m:0 14px 36px -14px rgba(7,30,69,.26);
  --sh-l:0 34px 80px -28px rgba(7,30,69,.42);
  --r-s:12px; --r-m:18px; --r-l:26px; --r-xl:34px;
  --wrap:1220px;
  --hdr-h:74px;
  --f-d:"Anuphan","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-n:"Plus Jakarta Sans","Anuphan",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.75,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 12px)}
body{
  margin:0;font-family:var(--f-d);font-weight:400;font-size:clamp(15.5px,.35vw + 14.6px,17px);
  line-height:1.75;color:var(--ink);background:var(--white);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img,video,iframe{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;letter-spacing:-.012em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
[hidden]{display:none !important}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ic{width:1.15em;height:1.15em;flex:0 0 auto;fill:none;stroke:none}
.wrap{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--navy-800);color:#fff;padding:.7rem 1.2rem;border-radius:0 0 12px 0}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--sky-400);outline-offset:3px;border-radius:8px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--f-d);font-weight:600;line-height:1;white-space:nowrap;
  padding:.92em 1.5em;border-radius:999px;position:relative;isolation:isolate;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.btn .ic{width:1.2em;height:1.2em}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-sm{font-size:.88rem;padding:.78em 1.15em}
.btn-lg{font-size:1.02rem;padding:1.02em 1.75em}
.btn-block{width:100%}
.btn-primary{background:linear-gradient(135deg,var(--blue-500),var(--navy-700));color:#fff;box-shadow:0 10px 26px -10px rgba(27,91,196,.75)}
.btn-primary:hover{box-shadow:0 18px 38px -12px rgba(27,91,196,.85)}
.btn-line{background:var(--line-green);color:#fff;box-shadow:0 10px 26px -10px rgba(6,199,85,.6)}
.btn-line:hover{background:#05b34d;box-shadow:0 18px 38px -12px rgba(6,199,85,.7)}
.btn-white{background:#fff;color:var(--navy-800);box-shadow:0 12px 30px -12px rgba(0,0,0,.45)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.42);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-outline{background:#fff;color:var(--navy-700);border:1.6px solid var(--line-2);box-shadow:var(--sh-s)}
.btn-outline:hover{border-color:var(--blue-500);color:var(--blue-600);box-shadow:var(--sh-m)}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:90;transition:background .35s var(--ease),box-shadow .35s var(--ease),backdrop-filter .35s}
.hdr-in{height:var(--hdr-h);display:flex;align-items:center;gap:1.2rem}
.hdr.is-stuck{background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);box-shadow:0 1px 0 var(--line),0 10px 30px -22px rgba(7,30,69,.5)}
.brand{display:flex;align-items:center;gap:.65rem;margin-right:auto}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,var(--blue-500),var(--navy-800));color:var(--sky-300);
  box-shadow:0 8px 20px -8px rgba(11,44,107,.7);
}
.brand-mark .ic{width:24px;height:24px;stroke:currentColor;stroke-width:1.7}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:1.06rem;font-weight:700;letter-spacing:-.01em;color:#fff;transition:color .35s}
.brand-txt i{font-style:normal;font-size:.76rem;font-weight:500;color:rgba(255,255,255,.72);letter-spacing:.02em;transition:color .35s}
.hdr.is-stuck .brand-txt b{color:var(--navy-900)}
.hdr.is-stuck .brand-txt i{color:var(--ink-3)}
.nav{display:flex;gap:.2rem}
.nav a{position:relative;padding:.5rem .78rem;font-size:.94rem;font-weight:500;color:rgba(255,255,255,.9);border-radius:10px;transition:color .3s}
.nav a::after{content:"";position:absolute;left:.78rem;right:.78rem;bottom:.28rem;height:2px;border-radius:2px;background:var(--sky-400);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.hdr.is-stuck .nav a{color:var(--ink-2)}
.hdr.is-stuck .nav a:hover,.hdr.is-stuck .nav a.is-active{color:var(--navy-700)}
.hdr-cta{display:flex;gap:.5rem}
.burger{display:none;width:44px;height:44px;border-radius:12px;padding:12px 10px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;border-radius:2px;background:#fff;transition:transform .35s var(--ease),opacity .25s}
.hdr.is-stuck .burger span{background:var(--navy-800)}
.burger.is-open span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate;padding:calc(var(--hdr-h) + 3rem) 0 6.5rem}
.hero-bg{position:absolute;inset:0;z-index:-2;background:var(--navy-950)}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center 32%;opacity:0;transform:scale(1.08);transition:opacity 1.5s var(--ease)}
.hero-slide.is-on{opacity:1;animation:kb 11s linear forwards}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.14)}}
.hero-scrim{position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(4,18,43,.90) 0%,rgba(6,24,56,.74) 34%,rgba(7,30,69,.34) 62%,rgba(7,30,69,.16) 100%),
  radial-gradient(120% 80% at 10% 92%,rgba(27,91,196,.42),transparent 60%),
  linear-gradient(to top,rgba(4,18,43,.82) 0%,transparent 38%)}
.hero-grain{position:absolute;inset:0;opacity:.5;mix-blend-mode:overlay;
  background-image:radial-gradient(rgba(255,255,255,.16) .6px,transparent .7px);background-size:4px 4px}
.hero-flakes{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.flake{position:absolute;top:-8%;border-radius:50%;background:rgba(190,225,255,.55);filter:blur(.4px);animation:fall linear infinite}
@keyframes fall{
  0%{transform:translate3d(0,-10vh,0) scale(.7);opacity:0}
  12%{opacity:.9}
  88%{opacity:.55}
  100%{transform:translate3d(var(--dx,20px),112vh,0) scale(1.1);opacity:0}
}
.hero-in{position:relative;z-index:2;color:#fff;max-width:820px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.86rem;font-weight:500;letter-spacing:.05em;
  color:var(--sky-300);background:rgba(56,189,248,.12);border:1px solid rgba(125,211,252,.34);
  padding:.5rem 1rem;border-radius:999px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hero-eyebrow .ic{width:1.05em;height:1.05em;stroke:currentColor;stroke-width:1.9}
.hero-h1{margin:1.15rem 0 0;font-size:clamp(2.5rem,7.4vw,4.9rem);font-weight:700;letter-spacing:-.028em;line-height:1.08}
.hero-h1 span{display:block}
.hero-h1 .grad{background:linear-gradient(100deg,var(--sky-300) 8%,#fff 55%,var(--sky-400) 96%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:1.25rem;font-size:clamp(1.02rem,.5vw + .92rem,1.22rem);color:rgba(226,239,255,.92);font-weight:300;max-width:44ch}
.hero-sub b{font-weight:600;color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}
.hero-chips{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:2rem}
.hero-chips li{display:inline-flex;align-items:center;gap:.45rem;font-size:.86rem;font-weight:500;
  color:rgba(230,242,255,.94);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  padding:.45rem .9rem;border-radius:999px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hero-chips .ic{width:1.05em;height:1.05em;stroke:var(--sky-300);stroke-width:1.9}
.hero-dots{position:absolute;right:max(1.2rem,calc((100vw - var(--wrap))/2));bottom:2.6rem;z-index:3;display:flex;flex-direction:column;gap:.6rem}
.hero-dots button{width:9px;height:9px;border-radius:99px;background:rgba(255,255,255,.34);transition:all .4s var(--ease)}
.hero-dots button.is-on{background:var(--sky-400);height:26px;box-shadow:0 0 14px rgba(56,189,248,.9)}
.hero-scroll{position:absolute;left:50%;bottom:1.3rem;transform:translateX(-50%);z-index:3;display:grid;justify-items:center;gap:.3rem;color:rgba(255,255,255,.66)}
.hero-scroll span{width:1px;height:34px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.7))}
.hero-scroll .ic{width:18px;height:18px;stroke:currentColor;stroke-width:2;animation:bob 2s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
.up{opacity:0;transform:translateY(24px);animation:up .9s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes up{to{opacity:1;transform:none}}

/* ---------- stats ---------- */
.stats{position:relative;z-index:4;margin-top:-3.6rem}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-l);border:1px solid var(--line)}
.stat{background:#fff;padding:1.7rem 1.1rem;text-align:center}
.stat b{display:block;font-family:var(--f-n);font-size:clamp(1.6rem,2.6vw,2.3rem);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(135deg,var(--blue-500),var(--navy-800));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:.15rem;font-size:.86rem;color:var(--ink-3);font-weight:500}

/* ---------- sections ---------- */
.sec{padding:clamp(4.5rem,9vw,7.5rem) 0}
.sec-tight{padding-top:0}
.sec-head{max-width:660px;margin:0 auto clamp(2.4rem,4vw,3.6rem);text-align:center}
.kicker{display:inline-flex;align-items:center;gap:.45rem;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--blue-600);background:var(--ice);border:1px solid rgba(27,91,196,.14);padding:.42rem 1rem;border-radius:999px}
.kicker .ic{width:1.1em;height:1.1em;stroke:currentColor;stroke-width:1.9}
.sec-head h2{margin:1rem 0 .7rem;font-size:clamp(1.85rem,3.6vw,2.85rem);font-weight:700;letter-spacing:-.028em;color:var(--navy-900)}
.sec-head h2 .hl{background:linear-gradient(100deg,var(--blue-500),var(--sky-400));-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--ink-2);font-weight:300;font-size:1.03rem}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.svc{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:1.9rem 1.7rem;
  box-shadow:var(--sh-s);overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s}
.svc::before{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(46,123,232,.08),transparent 55%);opacity:0;transition:opacity .45s}
.svc:hover{transform:translateY(-7px);box-shadow:var(--sh-m);border-color:rgba(46,123,232,.3)}
.svc:hover::before{opacity:1}
.svc>*{position:relative}
.svc-ic{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin-bottom:1.1rem;
  background:linear-gradient(140deg,var(--ice),#fff);border:1px solid rgba(27,91,196,.16);color:var(--blue-600);
  transition:transform .45s var(--ease),background .45s,color .45s}
.svc-ic .ic{width:26px;height:26px;stroke:currentColor;stroke-width:1.8}
.svc:hover .svc-ic{transform:rotate(-6deg) scale(1.06);background:linear-gradient(140deg,var(--blue-500),var(--navy-700));color:#fff}
.svc h3{font-size:1.24rem;font-weight:600;color:var(--navy-900);margin-bottom:.5rem}
.svc p{color:var(--ink-2);font-size:.96rem;font-weight:300}
.svc-price{display:inline-block;margin-top:1.1rem;font-weight:600;font-size:.95rem;color:var(--blue-600)}
.svc-price i{font-style:normal;font-weight:400;font-size:.85rem;color:var(--ink-3)}
/* full-width feature band — image keeps its natural aspect, never cropped */
.svc-feature{display:grid;grid-template-columns:minmax(0,.44fr) minmax(0,1fr);gap:0;margin-bottom:1.1rem;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-s);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.svc-feature:hover{transform:translateY(-5px);box-shadow:var(--sh-m)}
.svc-feature-img{overflow:hidden;background:var(--ice);display:flex}
.svc-feature-img img{width:100%;height:auto;align-self:center;transition:transform .8s var(--ease)}
.svc-feature:hover .svc-feature-img img{transform:scale(1.04)}
.svc-feature-body{padding:clamp(1.7rem,3vw,2.6rem);display:flex;flex-direction:column;justify-content:center}
.svc-feature-body h3{font-size:clamp(1.35rem,2vw,1.75rem);font-weight:600;color:var(--navy-900);margin-bottom:.55rem}
.svc-feature-body>p{color:var(--ink-2);font-size:.99rem;font-weight:300;max-width:56ch}
.feat-list{display:grid;gap:.5rem;margin:1.3rem 0 1.5rem}
.feat-list li{display:flex;gap:.6rem;align-items:center;font-size:.95rem;font-weight:400;color:var(--navy-900)}
.feat-list .ic{width:1.1em;height:1.1em;stroke:var(--blue-500);stroke-width:2.4}
.feat-foot{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.4rem}
.feat-foot .svc-price{margin-top:0;font-size:1.05rem}


/* ---- new service lines (electrical / refrigeration) ---- */
.svc-extra{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem;margin-top:1.1rem}
.xcard{position:relative;display:flex;gap:1.3rem;align-items:flex-start;overflow:hidden;
  background:linear-gradient(150deg,var(--navy-800),var(--navy-950));color:#fff;
  border:1px solid rgba(125,211,252,.18);border-radius:var(--r-l);padding:1.9rem 1.7rem;
  box-shadow:var(--sh-m);transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.xcard::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(85% 70% at 92% 0%,rgba(56,189,248,.26),transparent 60%)}
.xcard:hover{transform:translateY(-7px);box-shadow:var(--sh-l)}
.xcard>*{position:relative;z-index:1}
.xcard .svc-ic{margin-bottom:0;flex:0 0 auto;background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.2);color:var(--sky-300)}
.xcard:hover .svc-ic{transform:rotate(-6deg) scale(1.06);background:var(--sky-400);color:var(--navy-950)}
.xcard h3{font-size:1.24rem;font-weight:600;color:#fff;margin-bottom:.5rem;padding-right:5.5rem}
.xcard p{font-size:.95rem;font-weight:300;color:rgba(214,232,255,.88)}
.xcard-tag{position:absolute;top:1.5rem;right:1.5rem;z-index:2;font-size:.7rem;font-weight:700;
  letter-spacing:.1em;background:var(--sky-400);color:var(--navy-950);padding:.3rem .7rem;border-radius:999px}
.xlink{display:inline-flex;align-items:center;gap:.45rem;margin-top:1.1rem;font-size:.94rem;font-weight:600;
  color:var(--sky-300);transition:gap .35s var(--ease),color .3s}
.xlink .ic{width:1.1em;height:1.1em;stroke:currentColor;stroke-width:2}
.xlink:hover{gap:.8rem;color:#fff}

/* ---------- problems ---------- */
.problems{background:linear-gradient(180deg,#fff,var(--paper))}
.prob-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.9rem}
.prob-grid li{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:1.5rem 1.1rem;text-align:center;
  box-shadow:var(--sh-s);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s}
.prob-grid li:hover{transform:translateY(-6px);box-shadow:var(--sh-m);border-color:rgba(46,123,232,.32)}
.prob-grid .ic{width:30px;height:30px;stroke:var(--blue-500);stroke-width:1.7;margin:0 auto .7rem}
.prob-grid b{display:block;font-size:1rem;font-weight:600;color:var(--navy-900)}
.prob-grid span{display:block;font-size:.83rem;color:var(--ink-3);font-weight:300;margin-top:.15rem}

/* ---------- pricing ---------- */
.pricing{background:var(--paper)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem;align-items:stretch}
.price{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:2.1rem 1.85rem;
  display:flex;flex-direction:column;box-shadow:var(--sh-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.price:hover{transform:translateY(-8px);box-shadow:var(--sh-m)}
.price-feat{background:linear-gradient(165deg,var(--navy-800),var(--navy-950));border-color:transparent;color:#fff;box-shadow:var(--sh-l)}
.price-feat::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(90% 60% at 80% 0%,rgba(56,189,248,.28),transparent 62%)}
.price-feat>*{position:relative;z-index:1}
.price-flag{position:absolute;top:1.4rem;right:1.4rem;z-index:2;font-size:.74rem;font-weight:700;letter-spacing:.1em;
  background:var(--sky-400);color:var(--navy-950);padding:.35rem .8rem;border-radius:999px}
.price-ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:1.1rem;
  background:var(--ice);color:var(--blue-600);border:1px solid rgba(27,91,196,.14)}
.price-feat .price-ic{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:var(--sky-300)}
.price-ic .ic{width:25px;height:25px;stroke:currentColor;stroke-width:1.8}
.price h3{font-size:1.35rem;font-weight:600;color:var(--navy-900)}
.price-feat h3{color:#fff}
.price-lead{margin-top:.35rem;font-size:.92rem;font-weight:300;color:var(--ink-2)}
.price-feat .price-lead{color:rgba(214,232,255,.86)}
.price-amt{display:flex;align-items:baseline;gap:.4rem;margin:1.3rem 0 1.2rem;padding-bottom:1.2rem;border-bottom:1px dashed var(--line-2)}
.price-feat .price-amt{border-bottom-color:rgba(255,255,255,.2)}
.price-amt i{font-style:normal;font-size:.84rem;color:var(--ink-3);font-weight:400}
.price-feat .price-amt i{color:rgba(190,216,255,.8)}
.price-amt b{font-family:var(--f-n);font-size:2.7rem;font-weight:800;letter-spacing:-.035em;line-height:1;color:var(--navy-900)}
.price-feat .price-amt b{color:#fff}
.price-amt em{font-style:normal;font-size:.95rem;font-weight:500;color:var(--ink-2)}
.price-feat .price-amt em{color:rgba(214,232,255,.86)}
.price-list{display:grid;gap:.65rem;margin-bottom:1.7rem;flex:1}
.price-list li{display:flex;gap:.6rem;align-items:flex-start;font-size:.93rem;font-weight:300;color:var(--ink-2)}
.price-feat .price-list li{color:rgba(214,232,255,.9)}
.price-list .ic{width:1.15em;height:1.15em;margin-top:.32em;stroke:var(--blue-500);stroke-width:2.3}
.price-feat .price-list .ic{stroke:var(--sky-400)}
.price-note{display:flex;gap:.6rem;align-items:flex-start;justify-content:center;max-width:760px;margin:2rem auto 0;
  font-size:.88rem;font-weight:300;color:var(--ink-3);text-align:left}
.price-note .ic{width:1.2em;height:1.2em;margin-top:.32em;stroke:var(--ink-3);stroke-width:1.9;flex:0 0 auto}

/* ---------- works / gallery ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:2rem}
.chip{font-size:.92rem;font-weight:500;padding:.6rem 1.25rem;border-radius:999px;color:var(--ink-2);
  background:#fff;border:1.5px solid var(--line-2);transition:all .35s var(--ease)}
.chip:hover{border-color:var(--blue-500);color:var(--blue-600)}
.chip.is-on{background:linear-gradient(135deg,var(--blue-500),var(--navy-700));border-color:transparent;color:#fff;box-shadow:0 10px 24px -12px rgba(27,91,196,.8)}
.masonry{column-count:4;column-gap:1rem}
.masonry>*{display:block}
.gitem{break-inside:avoid;margin-bottom:1rem;display:block;position:relative;width:100%;
  border-radius:var(--r-m);overflow:hidden;background:var(--ice);border:1px solid var(--line);
  box-shadow:var(--sh-s);cursor:zoom-in;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),opacity .5s var(--ease)}
.js .gitem{opacity:0;transform:translateY(18px) scale(.985)}
.js .gitem.in{opacity:1;transform:none}
.gitem img{width:100%;height:auto;display:block;transition:transform .7s var(--ease),filter .5s}
.gitem:hover{box-shadow:var(--sh-m);transform:translateY(-4px)}
.gitem:hover img{transform:scale(1.045)}
.gitem::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(4,18,43,.55),transparent 46%);opacity:0;transition:opacity .45s}
.gitem:hover::after{opacity:1}
.gitem .gzoom{position:absolute;right:.7rem;bottom:.7rem;z-index:2;width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--navy-800);
  opacity:0;transform:translateY(8px) scale(.85);transition:all .45s var(--ease)}
.gitem:hover .gzoom{opacity:1;transform:none}
.gitem .gzoom .ic{width:17px;height:17px;stroke:currentColor;stroke-width:2.2}
.gitem[hidden]{display:none}
.more-wrap{display:flex;justify-content:center;margin-top:2.4rem}
.more-count{font-style:normal;font-size:.85rem;opacity:.6;font-weight:400}

/* ---------- videos ---------- */
.videos{background:linear-gradient(180deg,var(--paper),#fff)}
.vid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.vcard{margin:0;display:flex;flex-direction:column;gap:.85rem}
.vframe{position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--navy-950);
  border:1px solid var(--line);box-shadow:var(--sh-m);aspect-ratio:9/16;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.vcard:hover .vframe{transform:translateY(-6px);box-shadow:var(--sh-l)}
.vframe video{width:100%;height:100%;object-fit:contain;background:#04122B;display:block}
.vplay{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(to top,rgba(4,18,43,.5),rgba(4,18,43,.06) 55%);transition:opacity .35s}
.vplay::before{content:"";position:absolute;width:66px;height:66px;border-radius:50%;background:rgba(255,255,255,.94);box-shadow:0 12px 32px -10px rgba(0,0,0,.7);transition:transform .4s var(--ease)}
.vplay .ic{position:relative;width:24px;height:24px;fill:var(--navy-800);margin-left:3px}
.vcard:hover .vplay::before{transform:scale(1.09)}
.vplay.is-hidden{opacity:0;pointer-events:none}
.vcard figcaption{padding:0 .2rem}
.vcard figcaption b{display:block;font-size:1rem;font-weight:600;color:var(--navy-900)}
.vcard figcaption span{display:block;font-size:.85rem;font-weight:300;color:var(--ink-3)}
.social-cta{margin-top:3rem;text-align:center}
.social-cta p{color:var(--ink-2);font-weight:300;margin-bottom:1rem}
.social-row{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center}
.soc{display:inline-flex;align-items:center;gap:.55rem;font-weight:600;font-size:.95rem;color:#fff;
  padding:.85rem 1.5rem;border-radius:999px;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.soc:hover{transform:translateY(-3px)}
.soc .ic{width:1.25em;height:1.25em;fill:currentColor}
.soc-fb{background:#1877F2;box-shadow:0 12px 28px -14px rgba(24,119,242,.9)}
.soc-tt{background:#111;box-shadow:0 12px 28px -14px rgba(0,0,0,.8)}
.soc-ln{background:var(--line-green);box-shadow:0 12px 28px -14px rgba(6,199,85,.9)}

/* ---------- products ---------- */
.marquee{overflow:hidden;padding:1.4rem 0;margin:.5rem 0 1rem;
  background:linear-gradient(90deg,var(--navy-900),var(--navy-700),var(--navy-900));
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:2rem;width:max-content;animation:mq 34s linear infinite}
.marquee-track span{font-family:var(--f-n);font-size:1.05rem;font-weight:700;letter-spacing:.13em;color:rgba(207,229,255,.75);white-space:nowrap}
@keyframes mq{to{transform:translateX(-50%)}}
.brand-note{text-align:center;font-size:.9rem;font-weight:300;color:var(--ink-3);margin-bottom:2.2rem}
.stock-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;align-items:start}
.stock-strip .gitem{margin-bottom:0}

/* ---------- why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.wcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:2rem 1.6rem;
  box-shadow:var(--sh-s);overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.wcard:hover{transform:translateY(-7px);box-shadow:var(--sh-m)}
.wnum{position:absolute;top:.2rem;right:.9rem;font-family:var(--f-n);font-size:4.2rem;font-weight:800;
  letter-spacing:-.05em;color:var(--ice);line-height:1;user-select:none}
.wcard .ic{position:relative;width:30px;height:30px;stroke:var(--blue-500);stroke-width:1.7;margin-bottom:.9rem}
.wcard h3{position:relative;font-size:1.15rem;font-weight:600;color:var(--navy-900);margin-bottom:.4rem}
.wcard p{position:relative;font-size:.93rem;font-weight:300;color:var(--ink-2)}


/* ---------- reviews ---------- */
.reviews{background:linear-gradient(180deg,#fff,var(--paper))}
.rv-score{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:1.6rem 3rem;
  max-width:660px;margin:0 auto 2.4rem;padding:1.6rem 2rem;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-m)}
.rv-score-main{display:flex;flex-direction:column;align-items:center;line-height:1}
.rv-score-main b{font-family:var(--f-n);font-size:clamp(2.4rem,5vw,3.2rem);font-weight:800;letter-spacing:-.04em;
  background:linear-gradient(135deg,var(--blue-500),var(--navy-800));-webkit-background-clip:text;background-clip:text;color:transparent}
.rv-score-main span{margin-top:.4rem;font-size:.92rem;font-weight:500;color:var(--ink-2)}
.rv-score-meta{display:flex;gap:2.2rem}
.rv-score-meta div{text-align:center}
.rv-score-meta b{display:block;font-family:var(--f-n);font-size:1.5rem;font-weight:700;color:var(--navy-900)}
.rv-score-meta span{font-size:.82rem;color:var(--ink-3);font-weight:400}
.rv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.rv{position:relative;margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:2.4rem 1.7rem 1.6rem;box-shadow:var(--sh-s);overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s}
.rv:hover{transform:translateY(-6px);box-shadow:var(--sh-m);border-color:rgba(46,123,232,.28)}
.rv-q{position:absolute;top:1.2rem;left:1.6rem;width:34px;height:34px;fill:var(--ice);stroke:none}
.rv blockquote{position:relative;margin:0 0 1.3rem;font-size:1.04rem;font-weight:400;line-height:1.7;color:var(--navy-900)}
.rv figcaption{display:flex;align-items:center;gap:.7rem;padding-top:1rem;border-top:1px solid var(--line)}
.rv-av{width:38px;height:38px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue-500),var(--navy-700));color:#fff;font-weight:700;font-size:1rem}
.rv-av .ic{width:17px;height:17px;stroke:currentColor;stroke-width:2}
.rv-who{display:flex;flex-direction:column;line-height:1.3}
.rv-who b{font-size:.95rem;font-weight:600;color:var(--navy-900)}
.rv-who i{font-style:normal;font-size:.8rem;color:var(--ink-3)}
.rv-cta{display:flex;justify-content:center;margin-top:2.2rem}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(125deg,var(--navy-900),var(--navy-700) 52%,var(--blue-600));
  padding:clamp(3rem,6vw,4.6rem) 0;color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(70% 120% at 88% 8%,rgba(56,189,248,.35),transparent 60%),
             radial-gradient(60% 100% at 6% 100%,rgba(125,211,252,.22),transparent 60%)}
.cta-in{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.8rem}
.cta-txt h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:700;letter-spacing:-.025em}
.cta-txt p{margin-top:.5rem;color:rgba(214,232,255,.9);font-weight:300}
.cta-btns{display:flex;flex-wrap:wrap;gap:.7rem}

/* ---------- contact ---------- */
.contact{background:linear-gradient(180deg,#fff,var(--paper))}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:1.5rem;align-items:start}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem}
.ccard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:1.5rem 1.4rem;
  box-shadow:var(--sh-s);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s}
.ccard:hover{transform:translateY(-5px);box-shadow:var(--sh-m);border-color:rgba(46,123,232,.3)}
.ccard-static{cursor:default}
.ccard-static:hover{transform:none;box-shadow:var(--sh-s);border-color:var(--line)}
.cic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:.9rem;color:#fff}
.cic .ic{width:22px;height:22px}
.cic-blue{background:linear-gradient(140deg,var(--blue-500),var(--navy-700))}
.cic-blue .ic{stroke:currentColor;stroke-width:1.9}
.cic-green{background:var(--line-green)}
.cic-green .ic{fill:currentColor}
.cic-red{background:linear-gradient(140deg,#F05252,#C81E1E)}
.cic-red .ic{stroke:currentColor;stroke-width:1.9}
.cic-fb{background:#1877F2}
.cic-fb .ic{fill:currentColor}
.cic-dark{background:#111}
.cic-dark .ic{fill:currentColor}
.ccard b{display:block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.cval{display:block;margin-top:.15rem;font-size:1.1rem;font-weight:600;color:var(--navy-900)}
.cnote{display:block;font-size:.83rem;font-weight:300;color:var(--ink-3);margin-top:.1rem}
.carr{position:absolute;right:1.3rem;bottom:1.4rem;width:20px;height:20px;stroke:var(--blue-500);stroke-width:2;
  opacity:0;transform:translateX(-6px);transition:all .4s var(--ease)}
.ccard:hover .carr{opacity:1;transform:none}
.map-card{position:sticky;top:calc(var(--hdr-h) + 1.2rem);display:grid;gap:.9rem}
.map-frame{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-m);aspect-ratio:4/3.4;background:var(--ice)}
.map-frame iframe{width:100%;height:100%;border:0;filter:saturate(1.05)}

/* ---------- footer ---------- */
.ftr{background:var(--navy-950);color:rgba(207,224,248,.8);padding:clamp(3rem,5vw,4.2rem) 0 1.4rem;font-weight:300}
.ftr-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;gap:2.2rem}
.ftr .brand-txt b{color:#fff}
.ftr .brand-txt i{color:var(--sky-300)}
.ftr-brand p{margin-top:1rem;font-size:.92rem;max-width:38ch;color:rgba(184,206,238,.72)}
.ftr-soc{display:flex;gap:.55rem;margin-top:1.3rem}
.ftr-soc a{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;transition:all .35s var(--ease)}
.ftr-soc a:hover{background:var(--blue-500);border-color:transparent;transform:translateY(-3px)}
.ftr-soc .ic{width:19px;height:19px;fill:currentColor;stroke:currentColor;stroke-width:0}
.ftr-soc a:nth-child(4) .ic{fill:none;stroke-width:1.9}
.ftr-col h4{font-size:.82rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:#fff;margin-bottom:1rem}
.ftr-col a,.ftr-time{display:block;font-size:.92rem;padding:.28rem 0;color:rgba(184,206,238,.75);transition:color .3s}
.ftr-col a:hover{color:var(--sky-300)}
.ftr-btm{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;margin-top:2.6rem;padding-top:1.4rem;
  border-top:1px solid rgba(255,255,255,.09);font-size:.82rem;color:rgba(160,186,224,.6)}

/* ---------- dock (mobile sticky CTA) ---------- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;gap:1px;background:var(--line);
  padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 30px -14px rgba(7,30,69,.5);
  transform:translateY(110%);transition:transform .45s var(--ease)}
.dock.is-on{transform:none}
.dock-b{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;
  padding:.7rem .4rem .75rem;font-size:.78rem;font-weight:600;color:#fff}
.dock-b .ic{width:20px;height:20px}
.dock-call{background:linear-gradient(135deg,var(--blue-500),var(--navy-700))}
.dock-call .ic{stroke:currentColor;stroke-width:1.9}
.dock-line{background:var(--line-green)}
.dock-line .ic{fill:currentColor}
.dock-map{background:var(--navy-900)}
.dock-map .ic{stroke:currentColor;stroke-width:1.9}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:clamp(1rem,4vw,3rem);
  background:rgba(4,14,32,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;transition:opacity .35s var(--ease)}
.lb.is-on{opacity:1}
.lb[hidden]{display:none}
.lb-fig{margin:0;display:grid;gap:.9rem;justify-items:center;max-width:100%;max-height:100%}
.lb-fig img{max-width:min(100%,1200px);max-height:78vh;width:auto;height:auto;object-fit:contain;
  border-radius:var(--r-m);box-shadow:0 40px 90px -30px rgba(0,0,0,.9);
  transform:scale(.965);opacity:0;transition:transform .45s var(--ease),opacity .35s}
.lb.is-on .lb-fig img{transform:none;opacity:1}
.lb-fig figcaption{color:rgba(214,232,255,.82);font-size:.9rem;font-weight:300;text-align:center;max-width:60ch}
.lb-x,.lb-nav{position:absolute;z-index:2;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:background .3s,transform .3s var(--ease)}
.lb-x:hover,.lb-nav:hover{background:rgba(255,255,255,.24);transform:scale(1.07)}
.lb-x{top:clamp(.8rem,2.5vw,1.6rem);right:clamp(.8rem,2.5vw,1.6rem)}
.lb-prev{left:clamp(.6rem,2.5vw,1.8rem);top:50%;margin-top:-24px}
.lb-next{right:clamp(.6rem,2.5vw,1.8rem);top:50%;margin-top:-24px}
.lb-x .ic,.lb-nav .ic{width:22px;height:22px;stroke:currentColor;stroke-width:2.1}

/* ---------- to top ---------- */
.totop{position:fixed;right:1.1rem;bottom:1.4rem;z-index:75;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;background:#fff;color:var(--navy-800);border:1px solid var(--line);
  box-shadow:var(--sh-m);opacity:0;pointer-events:none;transform:translateY(14px) scale(.9);
  transition:all .45s var(--ease)}
.totop.is-on{opacity:1;pointer-events:auto;transform:none}
.totop:hover{background:var(--navy-800);color:#fff}
.totop .ic{width:21px;height:21px;stroke:currentColor;stroke-width:2.1}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}
.reveal{transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}

/* ================= responsive ================= */
@media (max-width:1180px){
  .masonry{column-count:3}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .rv-grid{grid-template-columns:repeat(2,1fr)}
  .prob-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  :root{--hdr-h:66px}
  .svc-feature{grid-template-columns:minmax(0,.5fr) minmax(0,1fr)}
  .nav,.hdr-cta{display:none}
  .burger{display:flex}
  .hdr.is-nav-open{background:rgba(255,255,255,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--sh-m)}
  .hdr.is-nav-open .brand-txt b{color:var(--navy-900)}
  .hdr.is-nav-open .brand-txt i{color:var(--ink-3)}
  .hdr.is-nav-open .burger span{background:var(--navy-800)}
  .nav.is-open{display:flex;flex-direction:column;position:absolute;top:var(--hdr-h);left:0;right:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    padding:.7rem 1.2rem 1.3rem;gap:.1rem;box-shadow:var(--sh-m);border-top:1px solid var(--line)}
  .nav.is-open a{color:var(--navy-900);font-size:1.02rem;padding:.85rem .4rem;border-bottom:1px solid var(--line)}
  .nav.is-open a::after{display:none}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .xcard h3{padding-right:5rem}
  .vid-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .map-card{position:static}
  .map-frame{aspect-ratio:16/10}
  .ftr-in{grid-template-columns:1fr 1fr}
  .ftr-brand{grid-column:1 / -1}
  .stats-in{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .stock-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  body{padding-bottom:70px}
  .dock{display:flex}
  .totop{bottom:calc(70px + env(safe-area-inset-bottom) + .8rem)}
  .hero{min-height:92svh;padding-bottom:8rem}
  .hero-slide{background-position:center 26%}
  .hero-scrim{background:
    linear-gradient(180deg,rgba(4,18,43,.82) 0%,rgba(6,24,56,.52) 40%,rgba(4,18,43,.93) 100%),
    radial-gradient(110% 60% at 20% 100%,rgba(27,91,196,.5),transparent 62%)}
  .hero-actions .btn{flex:1 1 100%}
  .hero-dots{flex-direction:row;left:50%;right:auto;transform:translateX(-50%);bottom:3.2rem}
  .hero-dots button.is-on{height:9px;width:26px}
  .hero-scroll{display:none}
  .stats{margin-top:-2.4rem}
  .stat{padding:1.25rem .7rem}
  .svc-grid{grid-template-columns:1fr}
  .svc-extra{grid-template-columns:1fr}
  .xcard{flex-direction:column;gap:1rem;padding:1.7rem 1.5rem}
  .xcard h3{padding-right:5.5rem}
  .svc-feature{grid-template-columns:1fr}
  .feat-foot .btn{width:100%}
  .prob-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr}
  .masonry{column-count:2;column-gap:.7rem}
  .gitem{margin-bottom:.7rem;border-radius:var(--r-s)}
  .vid-grid{grid-template-columns:repeat(2,1fr);gap:.8rem}
  .why-grid{grid-template-columns:1fr}
  .rv-grid{grid-template-columns:1fr}
  .rv-score{gap:1.2rem 2rem;padding:1.4rem 1.2rem}
  .rv-score-meta{gap:1.6rem}
  .contact-cards{grid-template-columns:1fr}
  .cta-in{flex-direction:column;align-items:flex-start}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1}
  .ftr-in{grid-template-columns:1fr;gap:1.8rem}
  .ftr-btm{flex-direction:column;text-align:left}
  .lb-prev{left:.5rem}.lb-next{right:.5rem}
  .lb-x,.lb-nav{width:42px;height:42px}
  .lb-fig img{max-height:70vh}
}
@media (max-width:420px){
  .wrap{width:calc(100% - 1.8rem)}
  .hero-h1{font-size:2.25rem}
  .vid-grid{grid-template-columns:1fr}
  .prob-grid{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal,.gitem,.up{opacity:1 !important;transform:none !important}
  .hero-slide.is-on{animation:none;transform:scale(1.04)}
  .hero-flakes{display:none}
}
@media print{
  .hdr,.dock,.totop,.hero-dots,.hero-scroll,.lb,.marquee{display:none !important}
  body{padding-bottom:0}
}