/* ============================================================
   TTech Attan — shared styles (multi-page)
   ============================================================ */
:root{
  --ink:#06070f;
  --ink-2:#0a0d1c;
  --panel:#0e1226;
  --line:rgba(137,155,255,.14);
  --bone:#e9e8e2;
  --dim:#9aa3c0;
  --cyan:#45e3ff;
  --violet:#8b5cf6;
  --grad:linear-gradient(92deg,#45e3ff 0%,#8b5cf6 55%,#e879f9 100%);
  --font-d:'Unbounded',system-ui,sans-serif;
  --font-b:'Manrope',system-ui,sans-serif;
  --font-m:'JetBrains Mono',ui-monospace,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scrollbar-width:thin;scrollbar-color:#2a3157 var(--ink);scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--bone);
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(69,227,255,.25)}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---------- 3D canvas + grain ---------- */
#bg3d{position:fixed;inset:0;z-index:0;pointer-events:none}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E")}

/* ---------- cursor ---------- */
.cursor{position:fixed;top:0;left:0;width:10px;height:10px;border-radius:50%;background:var(--cyan);z-index:99;pointer-events:none;mix-blend-mode:screen;display:none}
.cursor-ring{position:fixed;top:0;left:0;width:38px;height:38px;border-radius:50%;border:1px solid rgba(69,227,255,.5);z-index:99;pointer-events:none;display:none}
@media (hover:hover) and (pointer:fine){.cursor,.cursor-ring{display:block}}

/* ---------- nav ---------- */
nav{position:fixed;top:env(safe-area-inset-top,0px);left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(16px,4vw,48px);
  background:linear-gradient(180deg,rgba(6,7,15,.9),rgba(6,7,15,0));
  backdrop-filter:blur(10px)}
nav.solid{background:rgba(6,7,15,.92);border-bottom:1px solid var(--line)}
.logo{font-family:var(--font-d);font-weight:800;font-size:1.05rem;letter-spacing:.04em;display:flex;align-items:center;gap:10px}
.logo .t{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-mark{width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:9px;
  background:conic-gradient(from 210deg,#45e3ff,#8b5cf6,#e879f9,#45e3ff);
  font-family:var(--font-m);font-weight:600;color:#04121a;font-size:.85rem;animation:spinmark 14s linear infinite}
@keyframes spinmark{to{transform:rotate(360deg)}}

.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a,.drop-toggle{font-family:var(--font-m);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--dim);background:none;border:1px solid transparent;border-radius:999px;padding:9px 16px;cursor:pointer;transition:.25s;display:inline-flex;align-items:center;gap:6px}
.nav-links a:hover,.drop-toggle:hover{color:var(--bone)}
.nav-links a.active{color:#031018;background:var(--cyan);border-color:var(--cyan)}
.drop-toggle.active{color:var(--cyan)}
.caret{font-size:.7rem;transition:transform .3s}

/* dropdown */
.has-drop{position:relative}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:260px;
  background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:8px;
  display:grid;gap:2px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:.25s;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.8)}
.has-drop:hover .dropdown,.has-drop.open .dropdown{opacity:1;visibility:visible;transform:none}
.has-drop:hover .caret,.has-drop.open .caret{transform:rotate(180deg)}
.dropdown a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;
  font-family:var(--font-b);font-size:.85rem;letter-spacing:0;text-transform:none;color:var(--dim);border:0}
.dropdown a .di{font-size:1rem;width:22px;text-align:center}
.dropdown a:hover{background:rgba(69,227,255,.08);color:var(--bone)}
.dropdown a.active{background:transparent;color:var(--cyan)}
.dropdown .drop-all{margin-top:4px;border-top:1px solid var(--line);border-radius:0 0 10px 10px;color:var(--cyan);font-family:var(--font-m);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase}

.nav-cta{display:none;font-family:var(--font-m);font-size:.78rem;padding:10px 18px;border-radius:999px;border:1px solid var(--line);color:var(--bone);cursor:pointer;background:rgba(14,18,38,.6);transition:.25s}
.nav-cta:hover{border-color:var(--cyan);color:var(--cyan)}
@media(min-width:1000px){.nav-cta{display:block}}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--bone);padding:8px 12px;font-family:var(--font-m);cursor:pointer;font-size:1rem}

@media(max-width:820px){
  .nav-links{position:fixed;top:calc(64px + env(safe-area-inset-top,0px));right:16px;left:16px;flex-direction:column;align-items:stretch;
    background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:12px;gap:2px;
    opacity:0;pointer-events:none;transform:translateY(-10px);transition:.25s;max-height:80vh;overflow:auto}
  .nav-links.open{opacity:1;pointer-events:auto;transform:none}
  .nav-links a,.drop-toggle{justify-content:space-between;width:100%}
  .has-drop{width:100%}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(6,7,15,.5);
    min-width:0;margin:2px 0 6px;max-height:0;overflow:hidden;padding:0 8px;transition:max-height .3s,padding .3s}
  .has-drop.open .dropdown{max-height:600px;padding:8px}
  .burger{display:block}
}

/* ---------- layout ---------- */
main{position:relative;z-index:2}
.wrap{width:min(1180px,100%);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
section{padding-block:clamp(60px,9vw,116px);position:relative}

.eyebrow{font-family:var(--font-m);font-size:.75rem;letter-spacing:.28em;text-transform:uppercase;color:var(--cyan);display:flex;align-items:center;gap:12px;margin-bottom:18px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--grad)}
h1,h2,h3{font-family:var(--font-d);text-wrap:balance;line-height:1.15}
h1{font-size:clamp(2.1rem,6.2vw,4.6rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3.6vw,2.6rem);font-weight:600;margin-bottom:16px}
h3{font-size:1.08rem;font-weight:600}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--dim);max-width:62ch;font-size:1.05rem}
.mono{font-family:var(--font-m)}

.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-m);font-size:.85rem;letter-spacing:.06em;
  padding:15px 28px;border-radius:999px;cursor:pointer;border:0;transition:.3s;position:relative;overflow:hidden}
.btn-primary{background:var(--grad);color:#051018;font-weight:600}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px -8px rgba(69,227,255,.45)}
.btn-ghost{background:transparent;color:var(--bone);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn .arr{transition:transform .3s}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero{min-height:82svh;display:flex;align-items:center;padding-block:150px 60px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-m);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;color:var(--dim);margin-bottom:26px;background:rgba(14,18,38,.5)}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
.hero p.lead{margin:24px 0 36px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding-block:20px;background:rgba(10,13,28,.5)}
.marquee-track{display:flex;gap:56px;width:max-content;white-space:nowrap;font-family:var(--font-d);font-weight:600;font-size:1rem;color:var(--dim)}
.marquee-track span i{color:var(--cyan);font-style:normal;margin-right:56px}

/* ---------- grids/cards ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:920px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:linear-gradient(160deg,rgba(20,25,52,.75),rgba(10,13,28,.75));
  border:1px solid var(--line);border-radius:20px;padding:30px;position:relative;overflow:hidden;
  transition:transform .35s,border-color .35s}
.card:hover{border-color:rgba(69,227,255,.4)}
.card .glow{position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(69,227,255,.12),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover .glow{opacity:1}
.card .num{font-family:var(--font-m);font-size:.72rem;color:var(--violet);letter-spacing:.2em}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin:14px 0 18px;
  background:rgba(69,227,255,.08);border:1px solid rgba(69,227,255,.2);font-size:1.4rem}
.card h3{margin-bottom:10px}
.card p{color:var(--dim);font-size:.93rem}
.card .more{margin-top:16px;display:inline-block;font-family:var(--font-m);font-size:.75rem;color:var(--cyan)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.frame3d{border:1px solid var(--line);border-radius:24px;background:rgba(10,13,28,.6);padding:26px;position:relative;overflow:hidden}
.frame3d::before{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at 20% 0%,rgba(139,92,246,.14),transparent 55%)}
.frame3d .bar{display:flex;gap:6px;margin-bottom:18px}
.frame3d .bar i{width:10px;height:10px;border-radius:50%;background:#22284a}
.frame3d .bar i:first-child{background:#ff5f56}.frame3d .bar i:nth-child(2){background:#ffbd2e}.frame3d .bar i:nth-child(3){background:#27c93f}
.codeline{font-family:var(--font-m);font-size:.8rem;line-height:2;color:var(--dim);white-space:pre-wrap;position:relative}
.codeline b{color:var(--cyan);font-weight:400}
.codeline em{color:var(--violet);font-style:normal}
.check-list{list-style:none;margin-top:24px;display:grid;gap:14px}
.check-list li{display:flex;gap:14px;align-items:flex-start;color:var(--dim)}
.check-list li b{color:var(--bone);font-weight:600}
.check-list .tick{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(69,227,255,.1);border:1px solid rgba(69,227,255,.3);color:var(--cyan);font-size:.75rem;margin-top:3px}

/* ---------- process ---------- */
.steps{display:grid;gap:0;position:relative;margin-top:20px}
.step{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}
.step:last-child{border-bottom:0}
.step .sn{font-family:var(--font-d);font-weight:800;font-size:1.6rem;color:transparent;-webkit-text-stroke:1px rgba(69,227,255,.6)}
.step h3{margin-bottom:8px}
.step p{color:var(--dim);max-width:60ch}

/* ---------- testimonials ---------- */
.quote{border-left:2px solid;border-image:var(--grad) 1;padding:6px 0 6px 24px}
.quote p{font-size:1rem;color:var(--bone);font-style:italic}
.quote .who{margin-top:16px;font-family:var(--font-m);font-size:.75rem;color:var(--dim)}
.quote .who b{color:var(--cyan);font-weight:600;display:block;font-size:.8rem}

/* ---------- CTA band ---------- */
.cta-band{border:1px solid var(--line);border-radius:28px;padding:clamp(36px,6vw,70px);text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(20,25,52,.9),rgba(10,13,28,.9))}
.cta-band::before{content:"";position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent 70%,rgba(69,227,255,.14),transparent 85%);animation:sweep 7s linear infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
.cta-band>*{position:relative}
.cta-band p{color:var(--dim);max-width:56ch;margin:14px auto 30px}

/* ---------- service detail rows ---------- */
.svc-row{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,64px);align-items:center;padding-block:clamp(40px,6vw,72px);border-bottom:1px solid var(--line);scroll-margin-top:110px}
.svc-row:last-of-type{border-bottom:0}
.svc-row.flip .svc-media{order:-1}
@media(max-width:860px){.svc-row{grid-template-columns:1fr}.svc-row.flip .svc-media{order:0}}
.svc-media{aspect-ratio:4/3;max-width:100%;border-radius:24px;border:1px solid var(--line);position:relative;overflow:hidden;
  background:radial-gradient(circle at 30% 30%,rgba(69,227,255,.12),transparent 60%),radial-gradient(circle at 75% 70%,rgba(139,92,246,.16),transparent 55%),rgba(10,13,28,.8);
  display:grid;place-items:center}
.svc-media .big{font-size:4rem;filter:drop-shadow(0 0 24px rgba(69,227,255,.5));animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px) rotate(4deg)}}
.svc-media .orbit{position:absolute;inset:12%;border:1px dashed rgba(137,155,255,.25);border-radius:50%;animation:spinmark 22s linear infinite}
.svc-media .orbit i{position:absolute;top:-6px;left:50%;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tags span{font-family:var(--font-m);font-size:.7rem;letter-spacing:.08em;border:1px solid var(--line);border-radius:999px;padding:6px 13px;color:var(--dim)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:820px}
.faq details{border:1px solid var(--line);border-radius:16px;background:rgba(10,13,28,.7);overflow:hidden}
.faq summary{cursor:pointer;padding:20px 24px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-m);color:var(--cyan);font-size:1.2rem;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 24px 22px;color:var(--dim);font-size:.93rem;max-width:70ch}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:30px;display:grid;gap:34px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--violet))}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--ink);border:2px solid var(--cyan);box-shadow:0 0 14px rgba(69,227,255,.6)}
.tl-item .yr{font-family:var(--font-m);font-size:.75rem;color:var(--cyan);letter-spacing:.16em}
.tl-item h3{margin:6px 0}
.tl-item p{color:var(--dim);max-width:64ch;font-size:.93rem}

/* ---------- team ---------- */
.member{text-align:center}
.member .ava{width:96px;height:96px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--font-d);font-weight:800;font-size:1.5rem;color:#051018;
  background:conic-gradient(from 180deg,#45e3ff,#8b5cf6,#e879f9,#45e3ff);position:relative}
.member .ava::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1px dashed rgba(69,227,255,.4);animation:spinmark 16s linear infinite}
.member .role{font-family:var(--font-m);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-top:6px}
.member p{color:var(--dim);font-size:.85rem;margin-top:10px}

/* ---------- values ---------- */
.value-strip{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.value-strip .v{flex:1 1 200px;border:1px solid var(--line);border-radius:18px;padding:22px;background:rgba(10,13,28,.7)}
.value-strip .v b{display:block;font-family:var(--font-d);font-size:.9rem;font-weight:600;margin-bottom:8px;color:var(--bone)}
.value-strip .v span{color:var(--dim);font-size:.87rem}

/* ---------- contact ---------- */
.page-hero{padding-top:150px;padding-bottom:20px}
.crumb{font-family:var(--font-m);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.crumb b{color:var(--cyan);font-weight:400}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,56px);align-items:start}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.info-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:rgba(10,13,28,.75);display:flex;gap:18px;align-items:flex-start}
.info-card .ic{flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.3);font-size:1.2rem}
.info-card b{display:block;margin-bottom:4px}
.info-card span{color:var(--dim);font-size:.9rem}
.info-card .copyable{font-family:var(--font-m);font-size:.85rem;color:var(--cyan);cursor:pointer}
form.contact{display:grid;gap:16px;border:1px solid var(--line);border-radius:24px;padding:clamp(22px,4vw,40px);background:linear-gradient(160deg,rgba(20,25,52,.85),rgba(10,13,28,.85))}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.frow{grid-template-columns:1fr}}
.field label{display:block;font-family:var(--font-m);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;background:rgba(6,7,15,.7);border:1px solid var(--line);border-radius:12px;
  color:var(--bone);font-family:var(--font-b);font-size:.95rem;padding:14px 16px;transition:border-color .25s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(69,227,255,.12)}
.field textarea{min-height:130px;resize:vertical}
.form-ok{display:none;border:1px solid rgba(39,201,63,.4);background:rgba(39,201,63,.08);border-radius:12px;padding:14px 18px;color:#8ff0a4;font-size:.9rem}
.form-ok.show{display:block}

/* ---------- footer ---------- */
footer{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(6,7,15,.9);padding-block:56px 40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
footer h4{font-family:var(--font-m);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
footer ul{list-style:none;display:grid;gap:10px}
footer ul a{color:var(--dim);font-size:.9rem;transition:.2s}
footer ul a:hover{color:var(--cyan)}
footer ul li{color:var(--dim);font-size:.9rem}
.foot-brand p{color:var(--dim);font-size:.88rem;max-width:34ch;margin-top:14px}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
  font-family:var(--font-m);font-size:.72rem;color:var(--dim)}

/* ---------- progress bar ---------- */
.progress{position:fixed;top:0;left:0;height:3px;background:var(--grad);width:0;z-index:60}

/* ---------- reveal (animate in from visible fallback) ---------- */
.reveal{opacity:1}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}