/* ==========================================================
   DevPress — Tech / AI theme with glassmorphism
   ========================================================== */
:root{
  color-scheme:dark;
  --bg:#05060f;
  --bg-2:#0a0d1f;
  --text:#eef1ff;
  --muted:#9aa3c7;
  --dim:#6b7397;
  --cyan:#22d3ee;
  --blue:#4f7cff;
  --violet:#8b5cf6;
  --pink:#ec4899;
  --grad:linear-gradient(110deg,var(--cyan),var(--blue) 35%,var(--violet) 70%,var(--pink));
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.08);
  --glass-border:rgba(255,255,255,.12);
  --glass-hi:rgba(255,255,255,.22);
  --blur:18px;
  --radius:22px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Be Vietnam Pro",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  overflow-x:hidden;min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(139,92,246,.45);color:#fff}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
img{max-width:100%;display:block}
.container{max-width:1160px;margin:0 auto;padding:0 16px;position:relative}
main{position:relative;z-index:1}

/* ---------- Animated background ---------- */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:radial-gradient(ellipse at top,var(--bg-2),var(--bg) 70%)}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;mix-blend-mode:screen;will-change:transform}
.aurora.a1{width:46vw;height:46vw;left:-10vw;top:-12vw;background:radial-gradient(circle,var(--blue),transparent 65%);animation:drift1 22s ease-in-out infinite alternate}
.aurora.a2{width:40vw;height:40vw;right:-12vw;top:10vh;background:radial-gradient(circle,var(--violet),transparent 65%);animation:drift2 26s ease-in-out infinite alternate}
.aurora.a3{width:38vw;height:38vw;left:30vw;bottom:-18vw;background:radial-gradient(circle,var(--cyan),transparent 65%);opacity:.35;animation:drift3 30s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(18vw,14vh) scale(1.15)}}
@keyframes drift2{to{transform:translate(-16vw,22vh) scale(.9)}}
@keyframes drift3{to{transform:translate(-14vw,-20vh) scale(1.2)}}
.grid-bg{
  position:absolute;inset:-2px;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 80%);
  animation:gridmove 20s linear infinite;
}
@keyframes gridmove{to{background-position:0 56px,56px 0}}
#net{position:absolute;inset:0;width:100%;height:100%;opacity:.7}
.noise{position:absolute;inset:0;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- Glass primitive ---------- */
.glass,.card,header .nav,.cta,.tag,.lang{
  background:linear-gradient(145deg,var(--glass-strong),var(--glass));
  border:1px solid var(--glass-border);
  backdrop-filter:blur(var(--blur)) saturate(150%);
  -webkit-backdrop-filter:blur(var(--blur)) saturate(150%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 20px 50px -20px rgba(0,0,0,.6);
}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:50;padding:14px 0}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:62px;gap:16px;padding:0 10px 0 22px !important;border-radius:999px;
  transition:background .3s,box-shadow .3s;
}
header.scrolled .nav{background:rgba(10,13,31,.65);box-shadow:0 10px 40px -10px rgba(79,124,255,.35),inset 0 1px 0 rgba(255,255,255,.08)}
.logo{font-weight:800;font-size:1.3rem;color:var(--text);letter-spacing:-.02em;display:flex;align-items:center}
.logo-mark{width:36px;height:36px;margin-right:10px;flex-shrink:0;overflow:visible;filter:drop-shadow(0 0 10px rgba(79,124,255,.55));transition:transform .5s var(--ease),filter .4s}
.logo:hover .logo-mark{transform:rotate(-8deg) scale(1.08);filter:drop-shadow(0 0 16px rgba(139,92,246,.85))}
.logo-mark .d{stroke-dasharray:100;stroke-dashoffset:100;animation:draw 1.4s var(--ease) .2s forwards}
.logo-mark .node{transform-origin:16px 14px;animation:nodePop .5s var(--ease) 1.3s both,blink 2.4s ease-in-out 2s infinite}
.logo-mark .play{transform-origin:31px 32px;animation:nodePop .6s var(--ease) .9s both}
.logo:hover .logo-mark .play{animation:playHit .5s var(--ease)}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes nodePop{from{transform:scale(0);opacity:0}60%{transform:scale(1.4)}}
@keyframes blink{50%{fill:#ec4899}}
@keyframes playHit{50%{transform:translateX(2px) scale(1.15)}}
.logo span{background:var(--grad);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 6s linear infinite}
.logo:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav ul{display:flex;gap:2px;list-style:none}
.nav ul a{color:var(--muted);white-space:nowrap;padding:8px 16px;border-radius:999px;font-weight:500;font-size:.95rem;position:relative;transition:color .2s,background .2s}
.nav ul a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav ul a.active{color:#fff;background:rgba(255,255,255,.1);box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.nav ul a.active::after{content:"";position:absolute;left:50%;bottom:3px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.lang{font-family:var(--mono);font-size:.78rem;font-weight:600;padding:8px 14px;border-radius:999px;color:var(--text);letter-spacing:.08em}
.lang:hover{border-color:var(--cyan);box-shadow:0 0 18px rgba(34,211,238,.4)}

/* ---------- Hero ---------- */
.hero{padding:90px 0 60px;text-align:center}
.tag{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 12px;border-radius:999px;
  color:var(--text);font-family:var(--mono);font-size:.8rem;letter-spacing:.04em;margin-bottom:26px;
}
.tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(34,211,238,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}
.hero h1{font-size:clamp(2.3rem,6vw,4.4rem);line-height:1.08;letter-spacing:-.035em;font-weight:800;margin-bottom:22px}
.hero h1 em,.grad-text{
  font-style:normal;background:var(--grad);background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 5s linear infinite;
}
@keyframes shift{to{background-position:200% center}}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 36px;font-size:1.12rem}
.btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* hero split layout (home) */
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;text-align:left}
.hero-grid p{margin-left:0}
.hero-grid .btns{justify-content:flex-start}
.hero-meta{display:flex;gap:22px;margin-top:34px;flex-wrap:wrap;font-family:var(--mono);font-size:.78rem;color:var(--dim)}
.hero-meta span::before{content:"▹ ";color:var(--cyan)}

.hero-visual{position:relative;height:540px;display:grid;place-items:center;perspective:1200px}
.orbit{position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.14)}
.orbit.o1{width:420px;height:420px;animation:spin 40s linear infinite}
.orbit.o2{width:540px;height:540px;border-style:solid;border-color:rgba(139,92,246,.18);animation:spin 60s linear infinite reverse}
.orbit::after{content:"";position:absolute;top:50%;left:-5px;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
.orbit.o2::after{background:var(--pink);box-shadow:0 0 16px var(--pink);left:auto;right:-5px}
@keyframes spin{to{transform:rotate(360deg)}}
.glow-core{position:absolute;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(79,124,255,.55),transparent 70%);filter:blur(30px);animation:breathe 5s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.2);opacity:.7}}

.phone{
  position:relative;width:260px;height:500px;border-radius:42px;padding:14px;
  transform-style:preserve-3d;transition:transform .3s var(--ease);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 40px 80px -20px rgba(0,0,0,.8),0 0 60px -10px rgba(79,124,255,.5);
}
.phone::before{content:"";position:absolute;top:22px;left:50%;width:80px;height:22px;margin-left:-40px;border-radius:12px;background:rgba(0,0,0,.6);z-index:2}
.phone-screen{
  position:relative;height:100%;border-radius:30px;overflow:hidden;padding:56px 16px 16px;
  background:linear-gradient(180deg,rgba(15,20,48,.85),rgba(8,10,25,.9));
  border:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;gap:12px;text-align:left;
}
.chip{align-self:flex-start;font-family:var(--mono);font-size:.68rem;padding:5px 10px;border-radius:999px;background:rgba(34,211,238,.1);color:var(--cyan);border:1px solid rgba(34,211,238,.3)}
.screen-title{font-weight:700;font-size:1.05rem;line-height:1.3}
.app-row{display:flex;gap:12px;align-items:center;padding:10px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);animation:rowIn .8s var(--ease) both}
.app-row:nth-of-type(2){animation-delay:.15s}.app-row:nth-of-type(3){animation-delay:.3s}
@keyframes rowIn{from{opacity:0;transform:translateX(-20px)}}
.app-row img{width:42px;height:42px;border-radius:12px}
.app-row b{display:block;font-size:.82rem;font-weight:600}
.bar{display:block;height:5px;border-radius:5px;margin-top:6px;background:rgba(255,255,255,.08);overflow:hidden;width:110px}
.bar i{display:block;height:100%;background:var(--grad);border-radius:5px;animation:load 3s var(--ease) infinite}
.app-row:nth-of-type(2) .bar i{animation-delay:.6s}.app-row:nth-of-type(3) .bar i{animation-delay:1.2s}
@keyframes load{0%{width:0}60%,100%{width:100%}}
.scan-line{position:absolute;left:0;right:0;height:80px;top:-80px;background:linear-gradient(180deg,transparent,rgba(34,211,238,.25),transparent);border-bottom:1px solid rgba(34,211,238,.8);box-shadow:0 2px 14px rgba(34,211,238,.6);animation:scan 3.5s ease-in-out infinite}
@keyframes scan{0%{top:-80px}100%{top:100%}}
.eq{display:flex;gap:4px;align-items:flex-end;height:36px;margin-top:auto;padding:0 4px}
.eq i{flex:1;border-radius:3px;background:var(--grad);background-size:100% 300%;animation:eq 1.2s ease-in-out infinite}
.eq i:nth-child(odd){animation-duration:1.6s}.eq i:nth-child(3n){animation-delay:.3s}.eq i:nth-child(4n){animation-delay:.6s}
@keyframes eq{0%,100%{height:20%}50%{height:100%}}

.float{position:absolute;width:64px;height:64px;border-radius:18px;padding:6px;animation:float 6s ease-in-out infinite}
.float img{border-radius:13px}
.float.f1{top:60px;left:6%}
.float.f2{top:46%;right:2%;animation-delay:-2s}
.float.f3{bottom:50px;left:12%;animation-delay:-4s}
@keyframes float{50%{transform:translateY(-18px) rotate(4deg)}}
.badge{position:absolute;font-family:var(--mono);font-size:.72rem;padding:8px 12px;border-radius:12px;display:flex;align-items:center;gap:8px;animation:float 7s ease-in-out infinite}
.badge b{color:var(--cyan)}
.badge.b1{top:22%;right:0;animation-delay:-1s}
.badge.b2{bottom:18%;right:8%;animation-delay:-3s}

/* ---------- Sections ---------- */
section{padding:70px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.03em;line-height:1.15;margin-bottom:10px}
.section-title p{color:var(--muted)}
.section-title::before{
  content:attr(data-kicker);display:block;font-family:var(--mono);font-size:.75rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}

/* ---------- Cards ---------- */
.card{
  position:relative;border-radius:var(--radius);padding:30px;overflow:hidden;isolation:isolate;
  transition:transform .4s var(--ease),border-color .3s,box-shadow .4s;
}
.card::before{ /* mouse spotlight */
  content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .3s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(79,124,255,.18),transparent 45%);
}
.card::after{ /* glowing border following mouse */
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;opacity:0;transition:opacity .3s;pointer-events:none;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(34,211,238,.9),rgba(139,92,246,.5) 40%,transparent 70%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);
}
.card:hover{transform:translateY(-6px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 30px 60px -20px rgba(79,124,255,.45)}
.card:hover::before,.card:hover::after{opacity:1}
.card h3{margin:18px 0 8px;font-size:1.18rem;letter-spacing:-.01em}
.card p{color:var(--muted)}
.icon{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-size:1.55rem;flex-shrink:0;
  background:linear-gradient(145deg,rgba(79,124,255,.25),rgba(139,92,246,.15));
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 0 24px -4px rgba(79,124,255,.6),inset 0 1px 0 rgba(255,255,255,.2);
  transition:transform .4s var(--ease);
}
.card:hover .icon{transform:scale(1.08) rotate(-6deg)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px;text-align:center;padding:38px}
.stats>div{position:relative}
.stats>div+div::before{content:"";position:absolute;left:-10px;top:15%;bottom:15%;width:1px;background:linear-gradient(transparent,rgba(255,255,255,.18),transparent)}
.stats strong{display:block;font-size:clamp(1.8rem,4vw,2.5rem);letter-spacing:-.03em;background:var(--grad);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shift 6s linear infinite}
.stats span{color:var(--muted);font-family:var(--mono);font-size:.8rem;letter-spacing:.04em}

/* ---------- App cards ---------- */
.app{display:flex;flex-direction:column}
.app-head{display:flex;gap:16px;align-items:center}
.app-head img{width:76px;height:76px;border-radius:20px;border:1px solid var(--glass-border);box-shadow:0 12px 30px -8px rgba(79,124,255,.6);transition:transform .5s var(--ease)}
.app:hover .app-head img{transform:scale(1.06) rotate(-4deg)}
.app-head h3{margin:0}
.app-head small{color:var(--cyan);font-family:var(--mono);font-size:.75rem}
.app ul{margin:22px 0 26px;list-style:none;color:var(--muted)}
.app li{padding:6px 0 6px 26px;position:relative}
.app li::before{content:"";position:absolute;left:4px;top:15px;width:8px;height:8px;border-radius:2px;background:var(--grad);transform:rotate(45deg);box-shadow:0 0 10px rgba(34,211,238,.6)}
.app .btn{margin-top:auto;align-self:flex-start}

/* ---------- Buttons ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  font:inherit;font-weight:600;font-size:.95rem;color:var(--text);cursor:pointer;overflow:hidden;
  background:rgba(255,255,255,.06);border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .25s var(--ease),box-shadow .3s,border-color .3s;
}
.btn:hover{color:#fff;transform:translateY(-2px);border-color:var(--glass-hi);box-shadow:0 10px 30px -10px rgba(79,124,255,.6)}
.btn.primary{background:var(--grad);background-size:200% auto;border:0;color:#fff;box-shadow:0 10px 30px -8px rgba(79,124,255,.7);animation:shift 6s linear infinite}
.btn.primary:hover{box-shadow:0 14px 40px -6px rgba(139,92,246,.85)}
.btn::after{ /* shine */
  content:"";position:absolute;top:0;left:-75%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .7s var(--ease);
}
.btn:hover::after{left:130%}

/* ---------- CTA ---------- */
.cta{position:relative;border-radius:30px;padding:64px 24px;text-align:center;overflow:hidden;isolation:isolate}
.cta::before{
  content:"";position:absolute;inset:-60%;z-index:-2;
  background:conic-gradient(from 0deg,transparent 0 60%,var(--cyan),var(--violet),var(--pink),transparent 90%);
  animation:spin 8s linear infinite;opacity:.6;
}
.cta::after{content:"";position:absolute;inset:1px;border-radius:29px;z-index:-1;background:linear-gradient(145deg,rgba(14,18,42,.92),rgba(8,10,25,.88));backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.cta h2{font-size:clamp(1.6rem,3.5vw,2.3rem);letter-spacing:-.03em;margin-bottom:12px}
.cta p{color:var(--muted);margin-bottom:28px}
.cta .btn{background:#fff;color:#0a0d1f;border:0}
.cta .btn:hover{color:#0a0d1f}

/* ---------- Contact ---------- */
.contact{display:grid;gap:24px;grid-template-columns:1fr 1.4fr;align-items:start}
.contact .card:hover{transform:none}
.info-item{display:flex;gap:16px;align-items:center;margin-bottom:22px;padding:12px;border-radius:16px;transition:background .3s}
.info-item:hover{background:rgba(255,255,255,.04)}
.info-item p{color:var(--muted);word-break:break-word}
form label{display:block;font-weight:500;font-size:.85rem;color:var(--muted);margin:16px 0 6px;font-family:var(--mono);letter-spacing:.03em}
form input,form textarea,form select{
  width:100%;padding:13px 16px;border-radius:14px;border:1px solid var(--glass-border);
  background:rgba(5,6,15,.45);color:var(--text);font:inherit;outline:none;
  transition:border-color .25s,box-shadow .25s,background .25s;
}
form select option{background:#0a0d1f}
form input:focus,form textarea:focus,form select:focus{border-color:var(--cyan);background:rgba(5,6,15,.65);box-shadow:0 0 0 4px rgba(34,211,238,.15),0 0 24px -6px rgba(34,211,238,.6)}
form textarea{min-height:150px;resize:vertical}
form .btn{margin-top:24px}

/* ---------- Footer ---------- */
footer{position:relative;z-index:1;padding:30px 0;color:var(--dim);font-size:.88rem;margin-top:40px;border-top:1px solid rgba(255,255,255,.07);background:rgba(5,6,15,.4);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(34px) scale(.98);filter:blur(6px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}
.hero .reveal{transition-duration:1.1s}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-grid p{margin-left:auto}
  .hero-grid .btns,.hero-meta{justify-content:center}
  .hero-visual{height:480px;transform:scale(.9)}
}
@media (max-width:720px){
  .contact{grid-template-columns:1fr}
  .hero{padding:50px 0 30px}
  section{padding:48px 0}
  .stats>div+div::before{display:none}
  .orbit.o2{width:420px;height:420px}.orbit.o1{width:330px;height:330px}
  .badge{display:none}
}
@media (max-width:560px){
  header{padding:10px 0}
  .nav{padding:0 6px 0 14px !important;height:56px}
  .logo{font-size:1.05rem}.logo-mark{width:30px;height:30px;margin-right:8px}
  .nav ul a{padding:7px 9px;font-size:.84rem}
  .nav ul a.active::after{display:none}
  .lang{padding:6px 9px}
  .hero-visual{height:540px;transform:scale(.82);margin:-40px 0 -30px}
  .float.f1{left:0}.float.f3{left:2%}
}
@media (max-width:440px){
  .logo{font-size:0}.logo-mark{margin-right:0}
  .nav ul a{padding:7px 8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important}
  .reveal{opacity:1;transform:none;filter:none}
}