:root {
  /* Основне тло */
  --bg-0: #2b2316;
  --bg-1: #3a2c18;
  --bg-2: #4c3a1f;

  /* Поверхні (панелі, картки) */
  --surface: rgba(60, 44, 22, 0.9);
  --surface-strong: rgba(48, 34, 17, 0.94);
  --surface-subtle: rgba(72, 52, 26, 0.78);

  /* Рамки й скло */
  --glass-border: rgba(205, 153, 63, 0.32);
  --glass-border-strong: rgba(212, 141, 37, 0.5);

  /* Текст */
  --text-primary: #f3e6cd;
  --text-secondary: #dabe84;
  --text-muted: #b08a4f;

  /* Акценти */
  --accent: #d48d25;
  --accent-alt: #aa6c1a;
  --accent-soft: rgba(212, 141, 37, 0.24);

  /* Контури */
  --outline: rgba(212, 141, 37, 0.32);
  --outline-strong: rgba(212, 141, 37, 0.52);

  /* Тіні */
  --shadow-lg: 0 28px 70px rgba(8, 5, 2, 0.58);
  --shadow-md: 0 18px 44px rgba(8, 5, 2, 0.46);
  --shadow-sm: 0 8px 24px rgba(8, 5, 2, 0.36);

  /* Радіуси */
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;

  /* Анімації */
  --transition-fast: 0.22s ease;
  --transition-normal: 0.4s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
body{
  font-family:'Manrope', 'Space Grotesk', 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  font-weight:400;
  letter-spacing:0.01em;
  line-height:1.6;
  color:var(--text-primary);
  background:
    radial-gradient(140% 140% at 0% 0%, rgba(212,141,37,0.2) 0%, rgba(212,141,37,0) 60%),
    radial-gradient(120% 120% at 100% 0%, rgba(120,74,20,0.28) 0%, rgba(120,74,20,0) 58%),
    linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 48%, var(--bg-2) 100%);
  display:flex;
  flex-direction:column;
  padding-top:96px;
  transition:opacity 0.28s ease;
}
body.lang-transition{opacity:0}

main{flex:1}

a{color:var(--accent);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--accent-alt)}

p{margin:0 0 18px;color:var(--text-secondary)}
strong{color:var(--text-primary)}

.container{
  width:min(1180px,92%);
  margin:0 auto 110px auto;
  display:grid;
  gap:72px;
}

h1,h2,h3{
  font-weight:600;
  margin:0 0 14px;
  color:var(--text-primary);
}
h1{font-size:clamp(34px,6vw,56px);line-height:1.1}
h2{font-size:clamp(24px,4vw,36px);line-height:1.15}
h3{font-size:clamp(18px,2.6vw,22px);letter-spacing:0.08em;text-transform:uppercase;color:var(--text-muted)}

.lead{
  font-size:clamp(18px,2.6vw,20px);
  color:var(--text-secondary);
  margin-bottom:12px;
  max-width:62ch;
}

.section-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 16px;
  border-radius:999px;
  border:1px solid var(--glass-border-strong);
  color:var(--accent);
  font-size:12px;
  letter-spacing:0.22em;
  text-transform:uppercase;
  margin-bottom:18px;
  background:linear-gradient(120deg, rgba(212,141,37,0.3), rgba(114,72,18,0.2));
}
.section-label::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:currentColor;
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  display:flex;
  align-items:center;
  gap:24px;
  padding:20px min(6vw,54px);
  background:rgba(24, 18, 10, 0.9);
  border-bottom:1px solid var(--outline);
  backdrop-filter:blur(18px);
  z-index:40;
  box-shadow:0 18px 44px rgba(0, 0, 0, 0.5);
}
.site-header::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(65% 200% at 90% 0%, rgba(212,141,37,0.22), rgba(212,141,37,0));
  pointer-events:none;
}
.logo{
  font-weight:800;
  font-size:18px;
  letter-spacing:0.3em;
  text-transform:uppercase;
  color:var(--text-primary);
  position:relative;
  z-index:1;
}
.logo::after{
  content:"";
  position:absolute;
  inset:60% -12px -10px -14px;
  background:radial-gradient(circle at right, rgba(212,141,37,0.25), rgba(212,141,37,0));
  filter:blur(14px);
  opacity:0.8;
}
.header-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
  position:relative;
  z-index:1;
}
.site-header nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.site-header nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 18px;
  font-size:14px;
  letter-spacing:0.04em;
  color:var(--text-secondary);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:transform var(--transition-fast), color var(--transition-fast);
}
.site-header nav a::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg, rgba(212,141,37,0.26), rgba(128,86,26,0.18));
  opacity:0;
  transition:opacity var(--transition-fast);
}
.site-header nav a:hover,
.site-header nav a.active{
  color:var(--text-primary);
  transform:translateY(-1px);
}
.site-header nav a:hover::before,
.site-header nav a.active::before{opacity:1}
.site-header nav a.cta{
  font-weight:700;
  background:linear-gradient(120deg, var(--accent), var(--accent-alt));
  color:#fef8ed;
  box-shadow:0 18px 36px rgba(0, 0, 0, 0.48);
  border-radius:999px;
}
.site-header nav a.cta::before{display:none}

.lang-switcher{
  display:flex;
  gap:8px;
  padding-left:14px;
  border-left:1px solid var(--outline);
}
.lang-switcher button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 12px;
  border-radius:12px;
  border:1px solid var(--outline);
  background:var(--surface-subtle);
  color:var(--text-muted);
  font-size:11px;
  font-weight:700;
  letter-spacing:0.28em;
  text-transform:uppercase;
  cursor:pointer;
  transition:var(--transition-fast);
}
.lang-switcher button:hover{color:var(--text-primary);border-color:var(--glass-border-strong)}
.lang-switcher button.active{
  color:var(--text-primary);
  border-color:var(--glass-border-strong);
  background:var(--accent-soft);
}
.lang-switcher button:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.hamburger{
  display:none;
  background:none;
  border:0;
  font-size:26px;
  color:var(--text-primary);
  z-index:2;
  cursor:pointer;
}

#scroll-progress{
  position:fixed;
  top:0;
  left:0;
  height:3px;
  width:0;
  background:linear-gradient(120deg, var(--accent), var(--accent-alt));
  box-shadow:0 0 12px rgba(212, 141, 37, 0.4);
  z-index:45;
  transform-origin:left center;
  transition:width 0.15s ease;
}

.hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,0.85fr);
  gap:54px;
  padding:54px clamp(26px,5vw,56px);
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(37,25,11,0.94), rgba(58, 38, 16, 0.88));
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
  isolation:isolate;
}
.hero::before,
.hero::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(70px);
  opacity:0.7;
  z-index:-1;
}
.hero::before{
  width:360px;
  height:360px;
  top:-160px;
  right:-120px;
  background:radial-gradient(circle, rgba(212,141,37,0.28), rgba(212,141,37,0));
}
.hero::after{
  width:420px;
  height:420px;
  bottom:-200px;
  left:-140px;
  background:radial-gradient(circle, rgba(120,74,20,0.35), rgba(120,74,20,0));
}
.hero-text{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.hero .accent{
  background:linear-gradient(120deg, var(--accent), var(--accent-alt));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:6px;
}
.hero .badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  padding:0;
  margin:14px 0 0 0;
  list-style:none;
}
.hero .badges li{
  padding:8px 14px;
  border-radius:999px;
  background:rgba(61, 43, 21, 0.78);
  border:1px solid var(--glass-border);
  color:var(--text-secondary);
  font-size:13px;
  letter-spacing:0.05em;
}

.hero-card{
  align-self:stretch;
  display:grid;
  gap:18px;
  padding:26px;
  border-radius:22px;
  background:var(--surface);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-md);
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:"";
  position:absolute;
  inset:-40% 10% auto;
  height:70%;
  background:radial-gradient(circle, rgba(212,141,37,0.2), rgba(212,141,37,0));
  opacity:0.7;
}
.stat{
  position:relative;
  padding:18px 20px;
  border-radius:18px;
  background:linear-gradient(135deg, rgba(44, 30, 15, 0.92), rgba(63, 41, 18, 0.88));
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-sm);
}
.stat .num{
  display:block;
  font-size:34px;
  font-weight:700;
  color:var(--accent-alt);
  margin-bottom:4px;
}
.stat .label{
  display:block;
  color:var(--text-secondary);
  font-size:13px;
  letter-spacing:0.1em;
  text-transform:uppercase;
}

.grid-2,
.grid-3{
  display:grid;
  gap:32px;
}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}

.card,
.glass{
  position:relative;
  padding:34px clamp(22px,4vw,34px);
  border-radius:var(--radius-md);
  background:var(--surface-subtle);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);
}
.card::after,
.glass::after{
  content:"";
  position:absolute;
  inset:-70% 25% auto -30%;
  height:240px;
  background:radial-gradient(circle, rgba(212,141,37,0.2), rgba(212,141,37,0));
  opacity:0.6;
  pointer-events:none;
}
.card:hover,
.glass:hover{
  transform:translateY(-8px);
  border-color:var(--glass-border-strong);
  box-shadow:var(--shadow-md);
}
.card.card-highlight{
  background:linear-gradient(130deg, rgba(48, 34, 16, 0.92), rgba(72, 48, 20, 0.88));
  border-color:var(--glass-border-strong);
  box-shadow:var(--shadow-md);
}
.card.card-outline{
  background:rgba(36, 25, 12, 0.82);
  border-style:dashed;
  border-color:var(--glass-border);
}

.projects{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
  gap:26px;
}
.project{
  display:grid;
  gap:18px;
}
.project h2{margin:0;color:var(--text-primary)}
.project p{margin:0;color:var(--text-secondary)}
.project .actions{display:flex;gap:10px}

.check{
  list-style:none;
  padding:0;
  display:grid;
  gap:14px;
  color:var(--text-secondary);
}
.check li{
  position:relative;
  padding-left:28px;
}
.check li::before{
  content:"";
  position:absolute;
  top:7px;
  left:7px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:linear-gradient(120deg, var(--accent), var(--accent-alt));
  box-shadow:0 0 12px rgba(212,141,37,0.38);
}

.stack-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
  gap:20px;
  margin-top:24px;
}
.stack-cluster{
  border-radius:18px;
  padding:20px 22px;
  background:var(--surface-strong);
  border:1px solid var(--glass-border);
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}
.stack-cluster h3{
  margin:0;
  color:var(--text-muted);
  font-size:13px;
  letter-spacing:0.26em;
  text-transform:uppercase;
}
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:0.6rem;
  align-items:flex-start;
  justify-content:flex-start;
  width:100%;
  margin:0;
  padding:0;
}
.chips span{
  display:inline-flex;
  align-items:center;
  justify-content:flex-start;
  padding:0.35rem 0.9rem;
  border-radius:14px;
  border:1px solid var(--glass-border);
  background:rgba(58, 42, 20, 0.72);
  color:var(--text-primary);
  font-size:0.9rem;
  letter-spacing:0.02em;
  line-height:1.2;
  white-space:nowrap;
  text-align:left;
}

.contact-grid{gap:34px}
.contact-card{display:flex;flex-direction:column;gap:18px}
.contact-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:16px;
}
.contact-list li{
  padding:18px 20px;
  border-radius:18px;
  border:1px solid var(--glass-border);
  background:rgba(52, 38, 18, 0.85);
  display:grid;
  gap:8px;
}
.contact-list .label{
  font-size:11px;
  letter-spacing:0.32em;
  text-transform:uppercase;
  color:var(--text-muted);
}
.contact-list a{
  font-weight:600;
  color:var(--text-primary);
}
.contact-list small{
  color:var(--text-secondary);
  font-size:13px;
}
.contact-meta ul{
  list-style:none;
  padding:0;
  margin:18px 0 0 0;
  display:grid;
  gap:14px;
}
.contact-meta li{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 22px;
  border-radius:18px;
  border:1px solid var(--glass-border);
  background:rgba(48, 35, 16, 0.82);
}
.contact-meta span{
  color:var(--text-muted);
  font-size:12px;
  letter-spacing:0.28em;
  text-transform:uppercase;
}
.contact-meta strong{
  color:var(--text-primary);
  font-size:15px;
  font-weight:600;
}

.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 20px;
  border-radius:14px;
  border:1px solid var(--glass-border);
  background:var(--surface-strong);
  color:var(--text-primary);
  font-weight:600;
  letter-spacing:0.12em;
  text-transform:uppercase;
  font-size:13px;
  transition:transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.btn::after{
  content:"";
  position:absolute;
  inset:-30% 10% auto;
  height:200%;
  background:radial-gradient(circle, rgba(212,141,37,0.22), rgba(212,141,37,0));
  opacity:0;
  transition:opacity var(--transition-fast);
}
.btn.primary{
  background:linear-gradient(120deg, var(--accent), var(--accent-alt));
  color:#fef8ed;
  border-color:transparent;
  box-shadow:0 18px 40px rgba(0, 0, 0, 0.48);
}
.btn.ghost{
  background:var(--surface);
}
.btn:hover{
  transform:translateY(-2px);
  border-color:var(--glass-border-strong);
  box-shadow:0 14px 36px rgba(0, 0, 0, 0.45);
}
.btn:hover::after{opacity:0.6}

.form{
  display:grid;
  gap:16px;
  margin-top:12px;
}
.field label{
  display:block;
  margin-bottom:6px;
  color:var(--text-muted);
}
.field input,
.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--glass-border);
  background:rgba(56, 40, 18, 0.82);
  color:var(--text-primary);
  font-size:15px;
  transition:border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--glass-border-strong);
  box-shadow:0 0 0 3px rgba(212, 141, 37, 0.35);
}

.toast{
  position:fixed;
  right:22px;
  bottom:26px;
  background:rgba(38, 27, 13, 0.9);
  border:1px solid var(--glass-border);
  padding:16px 18px;
  border-radius:14px;
  box-shadow:var(--shadow-sm);
  display:none;
  color:var(--text-primary);
}
.toast.show{display:block}

.site-footer{
  border-top:1px solid var(--outline);
  padding:36px 6% 96px;
  color:var(--text-secondary);
  text-align:center;
  background:rgba(18, 13, 7, 0.9);
  backdrop-filter:blur(8px);
}

.to-top{
  position:fixed;
  right:26px;
  bottom:32px;
  width:50px;
  height:50px;
  border-radius:50%;
  border:1px solid var(--glass-border);
  background:rgba(41, 29, 13, 0.86);
  color:var(--text-primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  opacity:0;
  pointer-events:none;
  transform:translateY(16px);
  transition:opacity var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
  box-shadow:var(--shadow-sm);
  z-index:35;
}
.to-top.show{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}
.to-top:hover{background:rgba(58, 38, 16, 0.88)}
.to-top:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

#bg{
  position:fixed;
  inset:0;
  z-index:-1;
  mix-blend-mode:screen;
  opacity:0.24;
}

[data-animate]{
  --anim-duration:0.7s;
  --anim-delay:0ms;
  opacity:0;
  transform:translateY(18px);
  transition:
    opacity var(--anim-duration) cubic-bezier(.3,.7,.4,1),
    transform var(--anim-duration) cubic-bezier(.3,.7,.4,1);
  transition-delay:var(--anim-delay);
  will-change:transform,opacity;
}
[data-animate].animate-in{
  opacity:1;
  transform:none;
}
[data-animate][data-animate="zoom-in"]{
  transform:scale(0.96);
}
[data-animate].animate-in[data-animate="zoom-in"]{transform:scale(1)}
[data-animate][data-animate-delay]{transition-delay:var(--anim-delay)}

@media (prefers-reduced-motion: reduce){
  [data-animate]{opacity:1 !important;transform:none !important;transition:none !important}
  body{transition:none}
}

@media (max-width:1080px){
  .hero{grid-template-columns:1fr;gap:46px}
  .hero-card{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
}

@media (max-width:920px){
  body{padding-top:90px;}
  .site-header{
    padding:18px 6%;
    flex-wrap:wrap;
    row-gap:12px;
  }
  .header-right{
    order:3;
    width:100%;
    justify-content:flex-end;
    gap:12px;
  }
  .hamburger{
    display:block;
    order:2;
    margin-left:auto;
  }
  .site-header nav{
    position:absolute;
    top:calc(100% + 12px);
    right:6%;
    flex-direction:column;
    align-items:flex-start;
    padding:16px;
    border-radius:18px;
    background:rgba(26, 19, 11, 0.94);
    border:1px solid var(--glass-border);
    box-shadow:var(--shadow-md);
    min-width:220px;
    display:none;
    gap:6px;
  }
  .site-header nav.open{display:flex;}
  .site-header nav a{
    width:100%;
    justify-content:flex-start;
    margin:2px 0;
  }
  .site-header nav a.cta{width:100%;justify-content:center;}
  .lang-switcher{
    border-left:0;
    padding-left:0;
  }
}

@media (max-width:720px){
  body{padding-top:86px;}
  .container{gap:52px;margin-bottom:90px;}
  .hero{
    padding:42px 26px;
    gap:36px;
  }
  .hero-card{padding:22px}
  .hero .badges{gap:10px}
  .grid-2,
  .grid-3{grid-template-columns:1fr}
  .section-label{letter-spacing:0.18em}
  .to-top{right:20px;bottom:90px}
  .site-footer{padding-bottom:120px}
  [data-animate]{transform:translateY(12px)}
}

@media (max-width:540px){
  .site-header{padding:16px 5%;}
  .logo{font-size:16px;letter-spacing:0.22em;}
  .lang-switcher button{
    padding:6px 10px;
    font-size:10px;
    letter-spacing:0.18em;
  }
  .hero{
    padding:36px 20px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:flex-start;
  }
  .hero-card{
    grid-template-columns:1fr;
  }
  .stat{text-align:left;}
  .projects{grid-template-columns:1fr}
  .chips span{font-size:12px;padding:6px 12px;}
}