/* Tyger Security home page – animated, mobile-first. No frameworks. */
:root{
  --navy:#0b1630; --navy-2:#13234a; --navy-3:#1c3266; --ink:#070c1a;
  --red:#ff3b2f; --orange:#ff7a1a; --glow:#ff5a24;
  --silver:#c9d0dc; --silver-2:#8f9aae; --white:#fff;
  --radius:16px; --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:min(1180px,92vw);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.th{margin:0;background:var(--ink);color:var(--silver);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.th img{max-width:100%;display:block}
.th a{color:inherit}
.th h1,.th h2,.th h3{color:var(--white);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
.th h2{font-size:clamp(1.6rem,4.5vw,2.6rem)}
.th .wrap{width:var(--wrap);margin:0 auto}
.th .eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);margin-bottom:.6rem}
.th .glow-text{color:var(--white);text-shadow:0 0 18px rgba(255,90,36,.75),0 0 42px rgba(255,59,47,.45);animation:neon 4s ease-in-out infinite}
@keyframes neon{0%,100%{text-shadow:0 0 18px rgba(255,90,36,.75),0 0 42px rgba(255,59,47,.45)}50%{text-shadow:0 0 10px rgba(255,90,36,.5),0 0 24px rgba(255,59,47,.25)}48%,52%{opacity:1}49%{opacity:.85}}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;color:#000;padding:8px}

/* Buttons */
.btn{--b:var(--red);position:relative;display:inline-flex;align-items:center;gap:.55em;padding:.9em 1.4em;border-radius:999px;font-weight:700;text-decoration:none;color:#fff!important;background:linear-gradient(135deg,var(--red),var(--orange));box-shadow:0 8px 28px -8px rgba(255,80,30,.7);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease);isolation:isolate}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease);z-index:-1}
.btn:hover,.btn:focus-visible{transform:translateY(-2px);box-shadow:0 14px 34px -8px rgba(255,80,30,.85)}
.btn:hover::after,.btn:focus-visible::after{transform:translateX(120%)}
.btn.ghost{background:rgba(255,255,255,.06);border:1px solid rgba(201,208,220,.45);box-shadow:none;backdrop-filter:blur(6px)}
.btn.ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn svg{width:1.1em;height:1.1em;flex:none}
.btn.pulse::before{content:"";position:absolute;inset:-2px;border-radius:inherit;box-shadow:0 0 0 0 rgba(255,90,36,.6);animation:ring 2.4s infinite;z-index:-2}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(255,90,36,.55)}70%{box-shadow:0 0 0 16px rgba(255,90,36,0)}100%{box-shadow:0 0 0 0 rgba(255,90,36,0)}}

/* Header */
.th-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .35s,box-shadow .35s,padding .35s;padding:14px 0}
.th-header.scrolled{background:rgba(7,12,26,.82);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.06);padding:6px 0}
.th-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.th-logo img{height:44px;width:auto;transition:height .35s}
.th-header.scrolled .th-logo img{height:36px}
.th-nav{display:none}
.th-nav a{text-decoration:none;font-weight:600;color:var(--silver);padding:.4em .2em;position:relative}
.th-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:linear-gradient(90deg,var(--red),var(--orange));transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.th-nav a:hover{color:#fff}.th-nav a:hover::after{transform:scaleX(1)}
.th-call{display:none}
.th-burger{background:none;border:0;width:44px;height:44px;display:grid;place-items:center;cursor:pointer}
.th-burger span,.th-burger span::before,.th-burger span::after{display:block;width:24px;height:2px;background:#fff;position:relative;transition:transform .3s,background .3s}
.th-burger span::before,.th-burger span::after{content:"";position:absolute;left:0}
.th-burger span::before{top:-7px}.th-burger span::after{top:7px}
.menu-open .th-burger span{background:transparent}
.menu-open .th-burger span::before{transform:translateY(7px) rotate(45deg)}
.menu-open .th-burger span::after{transform:translateY(-7px) rotate(-45deg)}
.menu-open .th-nav{display:flex;flex-direction:column;position:fixed;inset:64px 0 auto 0;background:rgba(7,12,26,.97);padding:18px 6vw 26px;gap:8px;animation:drop .35s var(--ease)}
.menu-open .th-nav a{font-size:1.15rem;padding:.6em 0;border-bottom:1px solid rgba(255,255,255,.07)}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}}
@media(min-width:900px){
  .th-nav{display:flex;gap:26px}.th-burger{display:none}.th-call{display:inline-flex;padding:.6em 1.1em;font-size:.92rem}
  .th-logo img{height:52px}
}

/* Hero */
.hero{position:relative;min-height:100svh;display:grid;align-items:end;overflow:hidden;background:#000 url(/assets/home/img/hero-poster.jpg) center/cover;background-image:image-set(url(/assets/home/img/hero-poster.webp) type("image/webp"),url(/assets/home/img/hero-poster.jpg) type("image/jpeg"))}
.hero video,.hero .hero-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero video{opacity:0;transition:opacity 1.2s}
.hero video.ready{opacity:1}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:
  radial-gradient(120% 70% at 50% 20%,transparent 30%,rgba(7,12,26,.55) 70%),
  linear-gradient(180deg,rgba(7,12,26,.35) 0%,rgba(7,12,26,.1) 35%,rgba(7,12,26,.85) 78%,var(--ink) 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.18;background:repeating-linear-gradient(0deg,rgba(255,255,255,.08) 0 1px,transparent 1px 3px);mix-blend-mode:overlay}
.hero-inner{position:relative;z-index:2;padding:120px 0 clamp(56px,10vh,110px)}
.hero h1{font-size:clamp(2.1rem,7.4vw,4.6rem);font-weight:800;max-width:15ch}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line>span{display:inline-block;transform:translateY(105%);animation:rise .9s var(--ease) forwards}
.hero h1 .line:nth-child(2)>span{animation-delay:.15s}.hero h1 .line:nth-child(3)>span{animation-delay:.3s}
@keyframes rise{to{transform:none}}
.hero p.lead{font-size:clamp(1.02rem,2.4vw,1.25rem);max-width:56ch;color:#dfe4ee;opacity:0;animation:fade 1s .55s forwards}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 14px;opacity:0;animation:fade 1s .75s forwards}
.hero .small{font-size:.88rem;color:var(--silver-2);opacity:0;animation:fade 1s .95s forwards}
@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.rec{position:absolute;z-index:2;top:86px;right:4vw;display:flex;align-items:center;gap:8px;font:600 .72rem/1 ui-monospace,Menlo,monospace;letter-spacing:.15em;color:#fff;background:rgba(0,0,0,.35);padding:7px 10px;border-radius:6px}
.rec i{width:9px;height:9px;border-radius:50%;background:var(--red);animation:blink 1.2s steps(2) infinite}
@keyframes blink{50%{opacity:.15}}
.scroll-cue{position:absolute;z-index:2;left:50%;bottom:18px;width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:14px;transform:translateX(-50%)}
.scroll-cue::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
.vid-toggle{position:absolute;z-index:3;left:4vw;bottom:18px;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(0,0,0,.35);color:#fff;cursor:pointer;display:grid;place-items:center}
.vid-toggle svg{width:16px;height:16px}

/* Trust ribbon */
.trust{border-block:1px solid rgba(255,255,255,.06);background:linear-gradient(90deg,var(--navy),var(--navy-2))}
.trust ul{list-style:none;margin:0 auto;padding:18px 0;display:grid;grid-template-columns:1fr 1fr;gap:14px 18px;width:var(--wrap)}
.trust li{display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:600;color:#e6eaf2}
.trust li svg{width:26px;height:26px;flex:none;color:var(--orange)}
@media(min-width:900px){.trust ul{grid-template-columns:repeat(4,1fr)}}

/* Sections */
.sec{padding:clamp(64px,10vw,120px) 0;position:relative}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head p{color:var(--silver-2)}

/* Ken Burns slider */
.kb{position:relative;height:clamp(380px,72vh,640px);overflow:hidden;background:#000}
.kb-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease}
.kb-slide.on{opacity:1;z-index:1}
.kb-slide picture,.kb-slide img{width:100%;height:100%}
.kb-slide img{object-fit:cover;transform:scale(1.04);will-change:transform}
.kb-slide.on img{animation:var(--kb,kb1) 9s linear forwards}
@keyframes kb1{from{transform:scale(1.04) translate(0,0)}to{transform:scale(1.18) translate(-3%,-2%)}}
@keyframes kb2{from{transform:scale(1.18) translate(3%,2%)}to{transform:scale(1.04) translate(0,0)}}
@keyframes kb3{from{transform:scale(1.06) translate(-2%,2%)}to{transform:scale(1.2) translate(2%,-1%)}}
.kb::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(0deg,rgba(7,12,26,.92) 0%,rgba(7,12,26,.2) 45%,rgba(7,12,26,.35) 100%);pointer-events:none}
.kb-cap{position:absolute;z-index:3;left:0;right:0;bottom:46px}
.kb-cap h3{font-size:clamp(1.3rem,3.6vw,2.2rem);margin:0 0 .2em}
.kb-cap p{margin:0;color:#dde3ee;max-width:52ch}
.kb-cap .t{transition:opacity .5s,transform .5s}
.kb-cap.swap .t{opacity:0;transform:translateY(10px)}
.kb-dots{position:absolute;z-index:3;left:0;right:0;bottom:16px;display:flex;gap:8px;justify-content:center}
.kb-dots button{width:34px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.3);cursor:pointer;padding:0;overflow:hidden;position:relative}
.kb-dots button.on::after{content:"";position:absolute;inset:0;background:var(--orange);transform-origin:left;animation:bar 7s linear forwards}
@keyframes bar{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.kb-arrows button{position:absolute;z-index:3;top:50%;width:44px;height:44px;margin-top:-22px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(0,0,0,.3);color:#fff;font-size:20px;cursor:pointer;transition:background .2s}
.kb-arrows button:hover{background:rgba(255,90,36,.7)}
.kb-prev{left:2vw}.kb-next{right:2vw}

/* Service tiles */
.tiles{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:600px){.tiles{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.tiles{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1200px){.tiles{grid-template-columns:repeat(5,1fr)}}
.tile{--mx:50%;--my:50%;position:relative;display:flex;flex-direction:column;gap:8px;padding:22px 20px 20px;border-radius:var(--radius);text-decoration:none;background:linear-gradient(160deg,var(--navy-2),var(--navy));border:1px solid rgba(201,208,220,.12);overflow:hidden;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;isolation:isolate}
.tile::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(260px circle at var(--mx) var(--my),rgba(255,90,36,.22),transparent 60%);opacity:0;transition:opacity .3s}
.tile:hover,.tile:focus-visible{transform:translateY(-6px);border-color:rgba(255,122,26,.55);box-shadow:0 18px 40px -18px rgba(255,80,30,.55)}
.tile:hover::before,.tile:focus-visible::before{opacity:1}
.tile .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:rgba(255,90,36,.12);color:var(--orange);transition:transform .45s var(--ease),background .3s}
.tile:hover .ico{transform:rotate(-8deg) scale(1.08);background:rgba(255,90,36,.22)}
.tile .ico svg{width:26px;height:26px}
.tile h3{font-size:1.08rem;margin:6px 0 0}
.tile p{margin:0;font-size:.92rem;color:var(--silver-2)}
.tile .more{margin-top:auto;padding-top:8px;font-size:.85rem;font-weight:700;color:var(--orange)}
.tile .more::after{content:" →";display:inline-block;transition:transform .3s}
.tile:hover .more::after{transform:translateX(5px)}
.tile.feature{background:linear-gradient(150deg,#3a1408,#1a0d18 55%,var(--navy))}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--i,0)*70ms)}
.js .reveal.in{opacity:1;transform:none}

/* Dahua band */
.dahua{background:linear-gradient(120deg,#08132b 0%,#0d2150 60%,#132c6b 100%);overflow:hidden}
.dahua::before{content:"";position:absolute;inset:-40% -10% auto auto;width:60vw;height:60vw;border-radius:50%;background:radial-gradient(circle,rgba(60,120,255,.25),transparent 65%);animation:drift 12s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(-8vw,6vw)}}
.dahua .grid{display:grid;gap:34px;align-items:center;position:relative}
@media(min-width:900px){.dahua .grid{grid-template-columns:1.05fr 1fr}}
.dahua ul{padding-left:1.1em}.dahua li{margin:.3em 0}
.scan{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 60px -25px rgba(0,0,0,.7);background:#fff}
.scan img{width:100%;height:auto;transform:scale(1.15)}
.scan .par{will-change:transform}
.scan::after{content:"";position:absolute;left:0;right:0;top:0;height:30%;background:linear-gradient(180deg,transparent,rgba(255,90,36,.28) 85%,rgba(255,140,60,.85) 100%);mix-blend-mode:multiply;animation:scan 3.6s ease-in-out infinite;pointer-events:none}
@keyframes scan{0%{transform:translateY(-100%)}100%{transform:translateY(340%)}}
.scan-corners{position:absolute;inset:12px;pointer-events:none;border:0}
.scan-corners::before,.scan-corners::after{content:"";position:absolute;width:26px;height:26px;border:3px solid var(--red)}
.scan-corners::before{left:0;top:0;border-right:0;border-bottom:0}.scan-corners::after{right:0;bottom:0;border-left:0;border-top:0}
.dahua-thumbs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.dahua-thumbs figure{margin:0;border-radius:12px;overflow:hidden;position:relative}
.dahua-thumbs img{aspect-ratio:4/3;height:auto;object-fit:cover;width:100%;transition:transform .8s var(--ease)}
.dahua-thumbs figure:hover img{transform:scale(1.08)}
.dahua-thumbs figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 10px 8px;font-size:.78rem;color:#fff;background:linear-gradient(0deg,rgba(0,0,0,.75),transparent)}

a.dahua-link{text-decoration:none;background:linear-gradient(90deg,var(--orange),var(--orange)) 0 100%/0 2px no-repeat;transition:background-size .4s var(--ease)}
a.dahua-link:hover{background-size:100% 2px}
.dahua-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.dahua-thumbs figure a{display:block}
.dahua-thumbs figure:first-child img{object-position:50% 100%}

/* Projects gallery strip */
.strip{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.strip-track{display:flex;gap:16px;width:max-content;animation:marq 48s linear infinite}
.strip:hover .strip-track,.strip:focus-within .strip-track{animation-play-state:paused}
@keyframes marq{to{transform:translateX(-50%)}}
.strip figure{margin:0;position:relative;width:clamp(240px,62vw,380px);aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;flex:none;background:var(--navy)}
.strip figure img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .6s}
.strip figure:hover img{transform:scale(1.1);filter:saturate(1.15)}
.strip figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 16px 14px;color:#fff;font-weight:600;font-size:.95rem;background:linear-gradient(0deg,rgba(7,12,26,.9),transparent);transform:translateY(8px);transition:transform .4s var(--ease)}
.strip figure:hover figcaption{transform:none}

/* Areas */
.areas{background:var(--navy);overflow:hidden}
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(min-width:900px){.area-grid{grid-template-columns:repeat(4,1fr)}}
.area{position:relative;padding:22px 18px;border-radius:var(--radius);background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);transition:transform .3s var(--ease),border-color .3s}
.area:hover{transform:translateY(-4px);border-color:rgba(255,122,26,.5)}
.area svg{width:28px;height:28px;color:var(--red);margin-bottom:8px;animation:bob 2.6s ease-in-out infinite}
.area:nth-child(2) svg{animation-delay:.3s}.area:nth-child(3) svg{animation-delay:.6s}.area:nth-child(4) svg{animation-delay:.9s}
@keyframes bob{50%{transform:translateY(-5px)}}
.area h3{font-size:1.15rem;margin:0}.area p{margin:.2em 0 0;font-size:.88rem;color:var(--silver-2)}
.area.base{border-color:rgba(255,90,36,.5);background:linear-gradient(160deg,rgba(255,90,36,.12),rgba(255,255,255,.02))}
.ticker{margin-top:34px;overflow:hidden;border-block:1px solid rgba(255,255,255,.08);padding:14px 0;white-space:nowrap}
.ticker div{display:inline-block;animation:marq 30s linear infinite;font-weight:800;font-size:clamp(1.2rem,3vw,1.8rem);color:rgba(201,208,220,.25);letter-spacing:.04em;text-transform:uppercase}
.ticker b{color:var(--orange);margin:0 .6em}

/* CTA band */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#ff3b2f,#ff7a1a,#c4231c,#ff3b2f);background-size:300% 300%;animation:grad 12s ease infinite;color:#fff}
@keyframes grad{50%{background-position:100% 50%}}
.cta-band .wrap{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding:46px 0}
.cta-band h2{margin:0;font-size:clamp(1.4rem,4vw,2.2rem)}
.cta-band p{margin:.3em 0 0;color:#fff3ea}
.cta-band .btn{background:#0b1630;box-shadow:0 10px 30px -10px rgba(0,0,0,.6)}
.cta-band .btn.ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}

/* Footer */
.th-footer{background:#050914;padding:54px 0 90px;font-size:.92rem;color:var(--silver-2)}
.th-footer .cols{display:grid;gap:28px}
@media(min-width:800px){.th-footer .cols{grid-template-columns:1.3fr 1fr 1fr 1fr}}
.th-footer h4{color:#fff;margin:0 0 .6em;font-size:1rem}
.th-footer a{text-decoration:none}.th-footer a:hover{color:#fff}
.th-footer ul{list-style:none;padding:0;margin:0}.th-footer li{margin:.35em 0}
.th-footer .partner{margin-top:34px}
.dahua-badge{display:inline-flex;flex-wrap:wrap;align-items:center;gap:14px 18px;padding:14px 20px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.03);transition:border-color .3s,transform .3s var(--ease),background .3s}
.dahua-badge img{width:150px;height:auto;opacity:.92;transition:opacity .3s}
.dahua-badge span{font-weight:600;color:#e6eaf2;font-size:.92rem}
.dahua-badge:hover{border-color:rgba(230,0,18,.7);background:rgba(230,0,18,.07);transform:translateY(-2px)}
.dahua-badge:hover img{opacity:1}
.th-footer .legal{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.07);font-size:.8rem}

/* Sticky mobile call bar */
.callbar{position:fixed;z-index:40;left:0;right:0;bottom:0;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:1px;background:rgba(255,255,255,.08);transform:translateY(110%);transition:transform .4s var(--ease)}
.callbar.show{transform:none}
.callbar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 8px;font-weight:700;text-decoration:none;color:#fff;background:var(--navy)}
.callbar a:first-child{background:linear-gradient(135deg,var(--red),var(--orange))}
.callbar svg{width:18px;height:18px}
@media(min-width:900px){.callbar{display:none}}

/* Mobile: two-up compact tiles */
@media(max-width:599px){
  .tiles{grid-template-columns:1fr 1fr;gap:10px}
  .tile{padding:16px 14px}
  .tile h3{font-size:.98rem}.tile p{font-size:.82rem;line-height:1.45}
  .tile .more{display:none}
  .tile .ico{width:40px;height:40px}
  .hero .ctas .btn{flex:1 1 100%;justify-content:center}
}
@media(max-width:599px){body:not(.callbar-on) #tyh-bubble{display:none!important}}
/* Lift the helper launcher above the mobile call bar */
@media(max-width:899px){
  body.callbar-on #tyh-launcher{bottom:70px}
  body.callbar-on #tyh-bubble{bottom:140px}
  .th-footer{padding-bottom:110px}
}

/* Reduced motion: keep everything, just still. */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .hero h1 .line>span,.hero p.lead,.hero .ctas,.hero .small{transform:none;opacity:1}
  .js .reveal{opacity:1;transform:none}
  .hero video{display:none}
  .strip{overflow-x:auto}.strip-track{width:auto}
  .kb-slide img{transform:none!important}
}