/* =========================================================
   ddk
   ========================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:#07080c;
  color:#e8eaf0;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

:root{
  --bg:#07080c;
  --bg-2:#0c0e14;
  --bg-3:#10131c;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#e8eaf0;
  --muted:#8a8fa3;
  --muted-2:#5e6378;
  --accent:#7c5cff;
  --accent-2:#22d3ee;
  --accent-3:#f0b86c;
  --grad:linear-gradient(120deg,#7c5cff 0%,#22d3ee 60%,#f0b86c 110%);
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.06);
  --glow:0 0 60px -10px rgba(124,92,255,.55);
  --radius:18px;
}

.container{max-width:1280px;margin:0 auto;padding:0 32px}

/* =================== TYPOGRAPHY =================== */
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.05}
h1{font-size:clamp(2.4rem,6vw,5.2rem)}
h2{font-size:clamp(1.9rem,4vw,3.4rem);line-height:1.1}
h3{font-size:clamp(1.3rem,2vw,1.7rem)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;font-size:.78rem;
  text-transform:uppercase;letter-spacing:.18em;color:var(--muted);
  margin-bottom:18px;
}
.muted{color:var(--muted)}

/* =================== NAV =================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  transition:all .35s ease;
  background:rgba(7,8,12,0);
  backdrop-filter:blur(0);
}
.nav.scrolled{
  background:rgba(7,8,12,.7);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
  padding:12px 0;
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.05rem;letter-spacing:.04em}
.logo-mark{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:1.2rem}
.logo-dot{color:var(--accent-2)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:.92rem;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  padding:9px 18px;border:1px solid var(--line-2);border-radius:99px;color:var(--text)!important;
  transition:all .25s;
}
.nav-cta:hover{background:var(--text);color:var(--bg)!important;border-color:var(--text)}
.nav-burger{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-burger span{width:22px;height:2px;background:var(--text);transition:.3s}

/* =================== BUTTONS =================== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:99px;font-weight:500;font-size:.95rem;
  transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;
}
.btn-primary{
  background:var(--grad);color:#0a0a12;font-weight:600;
  box-shadow:0 10px 40px -10px rgba(124,92,255,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 50px -10px rgba(124,92,255,.7)}
.btn-ghost{background:var(--glass);border:1px solid var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--glass-2);border-color:rgba(255,255,255,.25)}
.btn-outline{border:1px solid var(--line-2);color:var(--text)}
.btn-outline:hover{background:var(--glass)}

/* =================== HERO =================== */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;
  padding:120px 0 80px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;display:flex}
.hero-half{flex:1;position:relative;overflow:hidden}
.hero-left{
  background:linear-gradient(135deg,#13121a 0%,#1a1822 100%);
}
.hero-right{
  background:linear-gradient(135deg,#070912 0%,#0a0d1a 100%);
}
.hero-divider{
  position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(to bottom,transparent,var(--line-2) 30%,var(--line-2) 70%,transparent);
}
#particles{position:absolute;inset:0;pointer-events:none}

/* paper docs */
.paper{
  position:absolute;background:#f4efe4;
  width:160px;height:210px;border-radius:4px;padding:18px 14px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.6),0 4px 8px rgba(0,0,0,.3);
  display:flex;flex-direction:column;gap:8px;
  animation:floatA 8s ease-in-out infinite;
}
.paper-1{top:18%;left:8%;transform:rotate(-8deg)}
.paper-2{top:55%;left:22%;transform:rotate(6deg);animation-delay:-2s;width:140px;height:180px}
.paper-3{top:32%;left:38%;transform:rotate(-3deg);animation-delay:-4s;width:120px;height:160px;opacity:.7}
.paper-line{height:5px;background:#cbc1ad;border-radius:2px}
.paper-line.short{width:60%}
.paper-stamp{
  margin-top:auto;font-family:'JetBrains Mono',monospace;font-size:.6rem;
  color:#a08560;border:1.5px solid #a08560;padding:4px 6px;border-radius:3px;
  align-self:flex-end;letter-spacing:.1em;transform:rotate(-12deg);
}
.folder{
  position:absolute;width:90px;height:65px;background:#3a2f24;border-radius:4px 12px 4px 4px;
  box-shadow:0 20px 40px -10px rgba(0,0,0,.6);
}
.folder::before{content:'';position:absolute;top:-8px;left:0;width:40%;height:12px;background:#3a2f24;border-radius:4px 4px 0 0}
.folder-1{top:70%;left:6%;transform:rotate(-12deg)}
.folder-2{top:8%;left:30%;transform:rotate(15deg);width:70px;height:50px;opacity:.7}

/* code blocks */
.code-block{
  position:absolute;background:rgba(10,14,28,.85);border:1px solid var(--line);
  border-radius:10px;padding:16px 18px;
  font-family:'JetBrains Mono',monospace;font-size:.78rem;line-height:1.7;
  color:#a8b2cf;backdrop-filter:blur(10px);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.5),inset 0 0 30px rgba(124,92,255,.05);
  animation:floatB 10s ease-in-out infinite;
}
.code-1{top:18%;right:8%;width:280px;animation-delay:-1s}
.code-2{top:55%;right:24%;width:260px;animation-delay:-5s}
.c-key{color:#c084fc}
.c-fn{color:#22d3ee}
.c-str{color:#f0b86c}
.c-com{color:#5e6378;font-style:italic}

.ui-card{
  position:absolute;top:30%;right:38%;width:180px;
  background:rgba(10,14,28,.8);border:1px solid var(--line-2);
  border-radius:10px;padding:14px;backdrop-filter:blur(10px);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.5),0 0 40px -10px rgba(34,211,238,.3);
  animation:floatA 9s ease-in-out infinite;animation-delay:-3s;
}
.ui-bar{height:6px;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:3px;margin-bottom:12px;width:75%}
.ui-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-top:1px solid var(--line)}
.ui-row span:first-child{width:70px;height:5px;background:#2a2f3e;border-radius:3px}
.ui-row .ok{width:14px;height:14px;border-radius:50%;background:#10b981;box-shadow:0 0 10px #10b981}
.ui-row .loading{width:14px;height:14px;border-radius:50%;border:2px solid var(--accent-2);border-top-color:transparent;animation:spin 1s linear infinite}

@keyframes floatA{0%,100%{transform:translateY(0) rotate(var(--r,0deg))}50%{transform:translateY(-15px) rotate(var(--r,0deg))}}
@keyframes floatB{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}
@keyframes spin{to{transform:rotate(360deg)}}
.paper-1{--r:-8deg}.paper-2{--r:6deg}.paper-3{--r:-3deg}

.hero-content{
  position:relative;z-index:2;
  max-width:1280px;margin:0 auto;padding:0 32px;width:100%;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border:1px solid var(--line-2);border-radius:99px;
  background:rgba(7,8,12,.6);backdrop-filter:blur(20px);
  font-family:'JetBrains Mono',monospace;font-size:.72rem;
  color:var(--muted);margin-bottom:32px;letter-spacing:.05em;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:#22c55e;box-shadow:0 0 10px #22c55e;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.hero-title{margin-bottom: 32px;
  max-width: 920px;
  background: rgba(7, 8, 12, 0.75);
  padding: 20px 28px;
  border-radius: 16px;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-sub{
  font-size:clamp(1.05rem,1.4vw,1.25rem);max-width:680px;color:#c8ccdc;margin-bottom:18px;
  padding:24px 28px;background:rgba(7,8,12,.55);backdrop-filter:blur(20px);
  border:1px solid var(--line);border-radius:16px;
}
.hero-sub-2{font-size:1rem;max-width:680px;color:var(--muted);margin-bottom:40px;padding:0 4px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.scroll-indicator{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.3em;color:var(--muted);
}
.scroll-line{width:1px;height:50px;background:linear-gradient(to bottom,var(--muted),transparent);position:relative;overflow:hidden}
.scroll-line::after{content:'';position:absolute;top:-50%;left:0;width:100%;height:50%;background:var(--text);animation:scrollDown 2s ease-in-out infinite}
@keyframes scrollDown{0%{top:-50%}100%{top:100%}}

/* =================== SECTIONS =================== */
.section{padding:140px 0;position:relative}
.section-dark{background:var(--bg-2)}
.section-head{max-width:780px;margin:0 auto 80px;text-align:center}
.section-head h2{margin-bottom:20px}
.section-lead{color:var(--muted);font-size:1.1rem;max-width:620px;margin:0 auto}

/* =================== ABOUT =================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;margin-bottom:100px}
.about-text p{font-size:1.05rem;margin-bottom:18px;color:#c8ccdc}
.about-text strong{color:var(--text)}
.check-list{list-style:none;margin:20px 0}
.check-list li{
  position:relative;padding:8px 0 8px 28px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.check-list li::before{
  content:'';position:absolute;left:0;top:14px;width:14px;height:14px;
  background:var(--grad);border-radius:50%;
  box-shadow:0 0 10px rgba(124,92,255,.5);
}
.about-cards{display:flex;flex-direction:column;gap:20px}
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;backdrop-filter:blur(20px);
  transition:all .35s;
}
.glass-card:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:var(--glow)}
.card-icon{font-size:2rem;margin-bottom:14px}
.glass-card h3{margin-bottom:14px}
.glass-card ul{list-style:none}
.glass-card ul li{padding:6px 0;color:var(--muted);border-bottom:1px solid var(--line);font-size:.95rem}
.glass-card ul li:last-child{border:none}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:50px;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(20px);position:relative;overflow:hidden;
}
.stats::before{content:'';position:absolute;top:-50%;left:-20%;width:60%;height:200%;background:radial-gradient(circle,rgba(124,92,255,.15),transparent 60%);pointer-events:none}
.stat{text-align:center;position:relative}
.stat-num{font-family:'Space Grotesk',sans-serif;font-size:clamp(2.4rem,4vw,3.6rem);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.stat-plus{display:inline-block;font-size:1.8rem;color:var(--accent-2);margin-left:4px}
.stat-label{color:var(--muted);font-size:.92rem;margin-top:8px}

/* =================== SERVICES =================== */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-bottom:80px}
.service-card{
  background:var(--glass);border:1px solid var(--line);border-radius:14px;
  padding:28px 24px;transition:all .35s;position:relative;overflow:hidden;
}
.service-card::before{
  content:'';position:absolute;top:0;left:-100%;width:100%;height:1px;
  background:var(--grad);transition:left .6s;
}
.service-card:hover::before{left:100%}
.service-card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--glass-2)}
.service-card .num{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--muted-2);letter-spacing:.15em}
.service-card h3{font-size:1.1rem;margin:14px 0 8px}
.service-card p{color:var(--muted);font-size:.92rem}

.consult-block{
  position:relative;padding:60px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(124,92,255,.1),rgba(34,211,238,.05));
  border:1px solid var(--line-2);overflow:hidden;text-align:center;
}
.consult-glow{
  position:absolute;width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.25),transparent 60%);
  top:-300px;left:50%;transform:translateX(-50%);pointer-events:none;
}
.consult-content{position:relative;z-index:1;max-width:700px;margin:0 auto}
.consult-content h3{font-size:clamp(1.4rem,2.4vw,2rem);margin:14px 0 16px}
.consult-content p{color:var(--muted);margin-bottom:28px}

/* =================== PROJECTS =================== */
.project{
  background:var(--bg-2);border:1px solid var(--line);border-radius:24px;
  padding:60px;margin-bottom:60px;position:relative;overflow:hidden;
}
.project::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2),transparent);
}
.project-meta{display:flex;align-items:center;gap:20px;margin-bottom:24px;font-family:'JetBrains Mono',monospace;font-size:.78rem}
.proj-num{
  width:42px;height:42px;border-radius:50%;background:var(--glass);border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;color:var(--text);
}
.proj-tag{color:var(--muted);letter-spacing:.15em}
.project-title{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:10px}
.project-title.big{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:16px}
.project-sub{color:var(--muted);font-size:1.05rem;margin-bottom:36px;max-width:760px}
.project-sub.big{font-size:1.2rem;margin-bottom:60px}
.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.project-grid.reverse .project-text{order:2}
.prob-sol{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:30px 0}
.prob-sol h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.15em;color:var(--accent-2);margin-bottom:10px;font-family:'JetBrains Mono',monospace}
.prob-sol p{color:var(--muted);font-size:.95rem}

.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.badge{padding:8px 16px;border-radius:99px;background:var(--glass);border:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.badge-comp{
  display:inline-flex;align-items:center;gap:10px;padding:8px 18px;
  background:linear-gradient(120deg,rgba(124,92,255,.15),rgba(34,211,238,.1));
  border:1px solid rgba(124,92,255,.3);border-radius:99px;font-size:.9rem;
}
.badge-comp .old{color:var(--muted);text-decoration:line-through}
.badge-comp .arr{color:var(--accent-2)}
.badge-comp .new{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:600}

/* mockup */
.mockup{
  background:var(--bg-3);border:1px solid var(--line-2);border-radius:14px;overflow:hidden;
  box-shadow:0 40px 80px -20px rgba(0,0,0,.6),0 0 60px -20px rgba(124,92,255,.3);
}
.mockup-bar{display:flex;gap:6px;padding:12px 14px;background:rgba(255,255,255,.02);border-bottom:1px solid var(--line)}
.mockup-bar span{width:10px;height:10px;border-radius:50%;background:#3a3f50}
.mockup-body{padding:28px}
.flow{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
.flow-node{display:flex;flex-direction:column;align-items:center;gap:8px;flex:0 0 auto}
.flow-icon{
  width:50px;height:50px;border-radius:12px;background:var(--glass);border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;
  transition:all .3s;
}
.flow-node.done .flow-icon{background:var(--grad);color:#0a0a12;box-shadow:0 0 20px rgba(124,92,255,.5)}
.flow-node span{font-size:.7rem;color:var(--muted);font-family:'JetBrains Mono',monospace}
.flow-line{flex:1;height:1px;background:linear-gradient(90deg,var(--line-2),var(--accent-2));margin:0 6px;position:relative;overflow:hidden}
.flow-line::after{content:'';position:absolute;top:0;left:-30%;width:30%;height:100%;background:var(--accent-2);animation:flowMove 2s ease-in-out infinite}
@keyframes flowMove{to{left:100%}}
.data-rows{display:flex;flex-direction:column;gap:8px}
.data-row{display:flex;justify-content:space-between;padding:10px 14px;background:rgba(255,255,255,.02);border-radius:8px;font-size:.88rem}
.data-row .ok{color:#22c55e;font-family:'JetBrains Mono',monospace;font-size:.78rem}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.compare-col{padding:20px;border-radius:12px;border:1px solid var(--line)}
.compare-col h5{font-family:'JetBrains Mono',monospace;font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:14px}
.compare-col.was h5{color:#ef4444}
.compare-col.now h5{color:#22c55e}
.compare-col ul{list-style:none}
.compare-col ul li{padding:6px 0;color:var(--muted);font-size:.92rem;border-bottom:1px solid var(--line)}
.compare-col ul li:last-child{border:none}
.compare-col.was{background:rgba(239,68,68,.04)}
.compare-col.now{background:rgba(34,197,94,.04)}

/* calc mock */
.calc-mock{
  background:var(--bg-3);border:1px solid var(--line-2);border-radius:16px;padding:28px;
  box-shadow:0 40px 80px -20px rgba(0,0,0,.6),0 0 60px -20px rgba(34,211,238,.3);
}
.calc-head{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--muted);letter-spacing:.15em;text-transform:uppercase;margin-bottom:20px}
.calc-input{margin-bottom:24px}
.calc-input label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:8px}
.calc-field{
  padding:18px 22px;background:rgba(255,255,255,.03);border:1px solid var(--line-2);
  border-radius:12px;font-family:'Space Grotesk',sans-serif;font-size:1.6rem;font-weight:600;
}
.calc-results{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.calc-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line);font-size:.9rem;color:var(--muted)}
.calc-row b{color:var(--text);font-weight:500}
.calc-row.total{border:none;padding-top:18px;font-size:1rem;color:var(--text)}
.calc-row.total b{font-size:1.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}
.calc-copy{
  width:100%;padding:14px;border-radius:10px;background:var(--grad);color:#0a0a12;font-weight:600;
  transition:transform .2s;
}
.calc-copy:hover{transform:translateY(-2px)}

/* video compare */
.video-compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:60px}
.video-card{display:flex;flex-direction:column;gap:12px}
.video-label{font-family:'JetBrains Mono',monospace;font-size:.78rem;letter-spacing:.15em;text-transform:uppercase}
.was-label{color:#ef4444}
.now-label{color:#22c55e}
.video-frame{
  position:relative;aspect-ratio:16/10;border-radius:14px;overflow:hidden;
  background:var(--bg-3);border:1px solid var(--line-2);
}
.video-frame.slow{background:linear-gradient(135deg,#1a0f0f,#1a1822)}
.video-frame.fast{background:linear-gradient(135deg,#0a1a14,#0f1a22)}
.cursor{position:absolute;width:14px;height:14px;background:var(--text);border-radius:50%;animation:moveCursor 4s ease-in-out infinite;box-shadow:0 0 15px rgba(255,255,255,.5)}
@keyframes moveCursor{
  0%{top:20%;left:15%}25%{top:30%;left:60%}50%{top:55%;left:25%}75%{top:40%;left:70%}100%{top:20%;left:15%}
}
.typing-area{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60%;display:flex;flex-direction:column;gap:8px}
.typing-line{height:6px;background:var(--line-2);border-radius:3px;width:0;animation:typing 4s ease-in-out infinite}
.typing-line:nth-child(2){animation-delay:1.3s}
.typing-line:nth-child(3){animation-delay:2.6s}
@keyframes typing{0%{width:0}50%,100%{width:100%}}
.timer{position:absolute;bottom:14px;right:14px;font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--text);background:rgba(0,0,0,.5);padding:6px 12px;border-radius:6px}
.flash{position:absolute;inset:0;background:radial-gradient(circle at center,rgba(34,211,238,.4),transparent 60%);animation:flash 2s ease-in-out infinite}
@keyframes flash{0%,100%{opacity:0}30%{opacity:1}}
.result-pop{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:'Space Grotesk',sans-serif;font-size:2rem;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:popIn 2s ease-in-out infinite;
}
@keyframes popIn{0%,100%{opacity:0;transform:translate(-50%,-50%) scale(.8)}40%,80%{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.video-card p{color:var(--muted);font-size:.9rem}

/* project 3 — flagship */
.project-feature{padding:80px;background:linear-gradient(135deg,var(--bg-2),#0d0f18)}
.workflow{
  display:flex;
  align-items:stretch;
  gap:14px;
  margin:60px 0;
  overflow-x:auto;
  padding-bottom:10px;
  scrollbar-width: none;           /* Firefox */
  -ms-overflow-style: none;        /* IE/Edge */
}

.workflow::-webkit-scrollbar {
  display:flex;
  align-items:stretch;
  gap:14px;
  margin:60px 0;
  overflow-x:auto;
  padding-bottom:10px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.workflow::-webkit-scrollbar {
  display: none;
}

/* Краща адаптивність */
@media (min-width: 1200px) {
  .wf-node {
    min-width: 160px;
  }
}

@media (max-width: 980px) {
  .workflow {
    flex-direction: column;
    gap: 20px;
  }
  .wf-conn {
    width: 1px;
    height: 30px;
  }
}
.wf-node{
  flex:1;min-width:180px;padding:24px;background:var(--glass);border:1px solid var(--line-2);
  border-radius:14px;text-align:center;position:relative;
  transition:all .35s;
}
.wf-node:hover{transform:translateY(-4px);border-color:var(--accent)}
.wf-node.glow{border-color:rgba(124,92,255,.5);box-shadow:0 0 40px -10px rgba(124,92,255,.5);background:linear-gradient(135deg,rgba(124,92,255,.1),rgba(34,211,238,.05))}
.wf-num{
  width:40px;height:40px;border-radius:50%;background:var(--bg-3);border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
  font-family:'JetBrains Mono',monospace;font-weight:600;
}
.wf-node.glow .wf-num{background:var(--grad);color:#0a0a12;border:none}
.wf-node h4{font-size:1.05rem;margin-bottom:8px}
.wf-node p{color:var(--muted);font-size:.85rem}
.wf-conn{
  flex:0 0 30px;align-self:center;height:1px;
  background:linear-gradient(90deg,var(--line-2),var(--accent-2),var(--line-2));
  position:relative;
}
.wf-conn::after{
  content:'';position:absolute;right:-2px;top:-3px;width:7px;height:7px;border-radius:50%;
  background:var(--accent-2);box-shadow:0 0 10px var(--accent-2);
}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:50px 0}
.feat{
  padding:14px 18px;background:var(--glass);border:1px solid var(--line);border-radius:10px;
  font-size:.9rem;color:var(--muted);text-align:center;
  font-family:'JetBrains Mono',monospace;font-size:.82rem;
  transition:all .25s;
}
.feat:hover{color:var(--text);border-color:var(--accent);background:var(--glass-2)}

.big-compare{
  display:flex;align-items:center;justify-content:center;gap:40px;margin-top:50px;
  padding:50px;background:var(--bg-3);border-radius:18px;border:1px solid var(--line-2);
  flex-wrap:wrap;
}
.bc-side{text-align:center}
.bc-label{font-family:'JetBrains Mono',monospace;font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}
.bc-time{font-family:'Space Grotesk',sans-serif;font-size:clamp(2.5rem,5vw,4rem);font-weight:700;margin:10px 0}
.bc-now .bc-time{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.bc-side p{color:var(--muted);font-size:.9rem}
.bc-arrow{font-size:2.5rem;color:var(--accent-2);font-weight:300}

/* =================== VISION =================== */
.section-vision{
  position:relative;overflow:hidden;
  background:radial-gradient(ellipse at top,#1a1430 0%,var(--bg) 60%);
  text-align:center;padding:160px 0;
}
.vision-grid-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
  opacity:.5;
}
.vision-inner{position:relative;z-index:1;max-width:900px}
.vision-title{margin:20px 0 50px;font-size:clamp(2rem,5vw,4rem)}
.vision-text p{font-size:1.15rem;color:#c8ccdc;margin-bottom:18px;max-width:720px;margin-left:auto;margin-right:auto}
.vision-final{font-size:1.3rem!important;color:var(--text)!important;margin-top:40px!important;font-weight:500;line-height:1.5}

/* =================== CONTACT =================== */
.section-contact{padding:120px 0}
.contact-card{
  position:relative;padding:80px 60px;border-radius:24px;
  background:linear-gradient(135deg,rgba(124,92,255,.08),rgba(34,211,238,.05));
  border:1px solid var(--line-2);text-align:center;overflow:hidden;
}
.contact-card::before{
  content:'';position:absolute;width:800px;height:800px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.18),transparent 60%);
  top:-400px;right:-200px;pointer-events:none;
}
.contact-card::after{
  content:'';position:absolute;width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.12),transparent 60%);
  bottom:-300px;left:-100px;pointer-events:none;
}
.contact-card>*{position:relative;z-index:1}
.contact-card h2{margin:14px 0 20px}
.contact-card p{color:var(--muted);max-width:520px;margin:0 auto 36px;font-size:1.05rem}
.contact-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* =================== FOOTER =================== */
.footer{padding:80px 0 40px;border-top:1px solid var(--line);background:var(--bg-2)}
.footer-inner{text-align:center}
.footer-quote{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.8rem,4vw,3rem);font-weight:600;line-height:1.2;letter-spacing:-.02em;margin-bottom:60px}
.footer-bottom{display:flex;justify-content:space-between;color:var(--muted-2);font-size:.85rem;font-family:'JetBrains Mono',monospace;padding-top:30px;border-top:1px solid var(--line);flex-wrap:wrap;gap:14px}

/* =================== REVEAL =================== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* =================== RESPONSIVE =================== */
@media(max-width:980px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .about-grid,.project-grid,.project-grid.reverse>*,.video-compare,.prob-sol,.compare{grid-template-columns:1fr;display:grid;gap:30px}
  .project-grid.reverse .project-text{order:0}
  .stats{grid-template-columns:repeat(2,1fr);padding:30px}
  .project,.project-feature{padding:36px 24px}
  .workflow{flex-direction:column}
  .wf-conn{width:1px;height:30px;background:linear-gradient(180deg,var(--line-2),var(--accent-2))}
  .wf-conn::after{right:-3px;top:auto;bottom:-2px}
  .hero-left .paper-3,.hero-right .ui-card,.code-2{display:none}
  .hero-content{padding:0 24px}
  .container{padding:0 20px}
  .section{padding:90px 0}
  .contact-card{padding:50px 28px}
  .consult-block{padding:36px 24px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:600px){
  .paper-2,.code-1{opacity:.4}
  .hero-sub{padding:18px 20px}
  .stats{grid-template-columns:1fr}
  .big-compare{gap:20px;padding:30px 20px}
  .bc-arrow{transform:rotate(90deg)}
}



/* =================== MOBILE IMPROVEMENTS =================== */

@media (max-width: 980px) {
  .hero {
    min-height: 100vh;
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: clamp(2.2rem, 8vw, 3.8rem) !important;
  }

  .hero-sub {
    font-size: 1.05rem;
    padding: 20px 24px;
  }

  .project {
    padding: 40px 24px;
    margin-bottom: 40px;
  }

  .project-grid,
  .project-grid.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .video-compare {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 32px 20px;
  }

  .about-grid {
    gap: 40px;
  }

  .section {
    padding: 100px 0;
  }

  .section-head {
    margin-bottom: 60px;
  }

  .workflow {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .hero-content {
    padding: 0 16px;
  }

  .contact-card {
    padding: 50px 20px;
  }

  .big-compare {
    padding: 30px 20px;
    gap: 20px;
  }
}