:root{
  /* Typography */
  --font: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  /* Radiuses */
  --r: 16px;
  --r2: 22px;

  /* Layout */
  --max: 980px;

  /* Motion */
  --t: 180ms cubic-bezier(.2,.8,.2,1);

  /* Accent (Andy vibe) */
  --accent: #4CC9FF;   /* cyan clean */
  --accent2: #A78BFA;  /* violet subtle */

  /* Dark (default) */
  --bg: #070A12;
  --bg2: #050713;

  --text: rgba(245,247,255,0.96);
  --muted: rgba(245,247,255,0.72);
  --muted2: rgba(245,247,255,0.52);

  /* Surfaces (premium) */
  --surface: rgba(255,255,255,0.06);
  --surface2: rgba(255,255,255,0.08);

  /* Borders ultra subtle */
  --hair: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.12);

  /* Shadows softer */
  --shadow: 0 24px 70px rgba(0,0,0,0.55);
  --shadow2: 0 14px 40px rgba(0,0,0,0.36);

  /* Focus */
  --focus: 0 0 0 4px rgba(76,201,255,0.18);
}

[data-theme="light"]{
  --bg: #F7F8FF;
  --bg2: #FFFFFF;

  --text: rgba(12,16,30,0.96);
  --muted: rgba(12,16,30,0.72);
  --muted2: rgba(12,16,30,0.52);

  --surface: rgba(12,16,30,0.04);
  --surface2: rgba(12,16,30,0.06);

  --hair: rgba(12,16,30,0.08);
  --border: rgba(12,16,30,0.12);

  --shadow: 0 18px 55px rgba(0,0,0,0.10);
  --shadow2: 0 10px 26px rgba(0,0,0,0.08);

  --focus: 0 0 0 4px rgba(76,201,255,0.20);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }

body{
  margin: 0;
  font-family: var(--font);
  color: var(--text);

  /* Premium background: subtle, not washed */
  background:
    radial-gradient(1200px 680px at 12% -18%, rgba(167,139,250,0.16), transparent 72%),
    radial-gradient(1200px 680px at 110% 0%, rgba(76,201,255,0.12), transparent 74%),
    radial-gradient(1400px 820px at 70% 125%, rgba(52,211,153,0.09), transparent 76%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

[data-theme="light"] body{
  background:
    radial-gradient(1200px 680px at 12% -18%, rgba(167,139,250,0.10), transparent 74%),
    radial-gradient(1200px 680px at 110% 0%, rgba(76,201,255,0.08), transparent 76%),
    radial-gradient(1400px 820px at 70% 125%, rgba(52,211,153,0.06), transparent 78%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

/* Subtle noise */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.45) 1px, transparent 0);
  background-size: 30px 30px;
  mix-blend-mode: overlay;
}
[data-theme="light"] body::before{
  opacity: 0.02;
  background-image: radial-gradient(circle at 1px 1px, rgba(0,0,0,0.32) 1px, transparent 0);
  mix-blend-mode: soft-light;
}

a{ color: inherit; text-decoration: none; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip{
  position:absolute; left:-9999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  left: 16px; top: 12px; width:auto; height:auto;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid var(--border);
  z-index: 9999;
}

/* NAV */
.nav{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hair);
  background: rgba(10,12,20,0.40);
}
[data-theme="light"] .nav{ background: rgba(255,255,255,0.55); }

.nav__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
}

.nav__left{ display:flex; align-items:center; gap: 12px; min-width: 0; }
.nav__meta{ min-width: 0; }

.nav__name{
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: 15px;
  line-height: 1.1;
}
.nav__mini{
  margin-top: 6px;
  display:flex;
  align-items:center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted2);
  font-size: 12px;
  font-weight: 700;
}
.nav__sep{ opacity: 0.55; }

.mark{
  width: 44px;
  height: 44px;
  border-radius: 16px;
  position: relative;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  box-shadow: var(--shadow2);
  overflow: hidden;
  display:grid;
  place-items: center;
}
.mark__orb{
  position:absolute;
  width: 90px; height: 90px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, rgba(76,201,255,0.75), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(167,139,250,0.68), transparent 60%);
  opacity: 0.9;
  transform: translate(-12px, -10px);
  animation: floaty 8s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{ transform: translate(-12px,-10px); }
  50%{ transform: translate(8px, 10px); }
}
.mark__txt{
  position: relative;
  z-index: 1;
  font-weight: 950;
  letter-spacing: 0.10em;
  font-size: 11px;
  opacity: 0.95;
}

.vbadge{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--hair);
  color: var(--muted);
}
.vbadge__dot{
  width: 8px; height: 8px;
  border-radius: 999px;
  background: #1d9bf0;
  box-shadow: 0 0 0 3px rgba(29,155,240,0.18);
}

/* Toggles */
.nav__right{ display:flex; gap: 10px; }
.chipBtn{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: transform var(--t), background var(--t), border-color var(--t), box-shadow var(--t);
  box-shadow: none;
}
[data-theme="light"] .chipBtn{ background: rgba(255,255,255,0.70); }
.chipBtn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.09);
  border-color: var(--border);
  box-shadow: 0 10px 26px rgba(0,0,0,0.08);
}
[data-theme="dark"] .chipBtn:hover{
  box-shadow: 0 14px 34px rgba(0,0,0,0.22);
}
.chipBtn:active{ transform: translateY(0px) scale(0.99); }
.chipBtn:focus-visible{ outline: none; box-shadow: var(--focus), 0 12px 28px rgba(0,0,0,0.10); }

.chipBtn__k{ font-size: 12px; color: var(--muted2); font-weight: 800; }
.chipBtn__v{ font-size: 12px; font-weight: 900; }
.chipBtn__chev{ opacity: 0.6; font-weight: 950; transform: translateY(-1px); }

/* HERO */
.hero{ padding: 22px 0 12px; }
.hero__card{
  border-radius: var(--r2);
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
[data-theme="light"] .hero__card{ background: rgba(255,255,255,0.72); }

/* Localized halo (light mode only) */
[data-theme="light"] .hero__card::before{
  content:"";
  position:absolute;
  inset:-40px -60px;
  background:
    radial-gradient(520px 260px at 20% 20%, rgba(76,201,255,0.14), transparent 60%),
    radial-gradient(520px 260px at 80% 10%, rgba(167,139,250,0.12), transparent 62%);
  filter: blur(6px);
  opacity: 0.9;
  pointer-events:none;
}

.hero__card::after{
  content:"";
  position:absolute;
  inset:-120px -180px auto auto;
  width: 420px;
  height: 420px;
  background:
    radial-gradient(circle at 35% 35%, rgba(76,201,255,0.20), transparent 62%),
    radial-gradient(circle at 70% 70%, rgba(167,139,250,0.16), transparent 62%);
  opacity: 0.9;
  pointer-events:none;
  transform: rotate(14deg);
}

.hero__top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
}
.hero__badge{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-weight: 850;
  font-size: 12px;
}

.pulse{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(52,211,153,0.85);
  box-shadow: 0 0 0 0 rgba(52,211,153,0.28);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(52,211,153,0.26); }
  70%{ box-shadow: 0 0 0 10px rgba(52,211,153,0); }
  100%{ box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

/* Typo (editorial) */
.hero__title{
  margin: 14px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 950;
}
.hero__sub{
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 78ch;
  font-weight: 650;
  font-size: 15.5px;
  line-height: 1.55;
}

.hero__stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 16px;
}
@media (max-width: 860px){
  .hero__stats{ grid-template-columns: 1fr; }
}

.stat{
  border-radius: var(--r);
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.05);
  padding: 12px;
}
[data-theme="light"] .stat{ background: rgba(12,16,30,0.03); }
.stat__k{
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  font-size: 11px;
}
.stat__v{
  margin-top: 6px;
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: 13px;
}

/* CTA */
.hero__cta .ghost{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(76,201,255,0.22);
  background: rgba(76,201,255,0.10);
  color: var(--text);
  font-weight: 900;
  transition: transform var(--t), background var(--t), box-shadow var(--t);
}
.hero__cta .ghost:hover{
  transform: translateY(-1px);
  background: rgba(76,201,255,0.14);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

/* BLOCKS */
.block{
  padding: 18px 0;
  margin-top: 14px;
  border-top: 1px solid var(--hair);
}

.block__head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.block__title{
  margin: 0;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted2);
  font-weight: 900;
}

.block__note{ display:flex; gap: 8px; flex-wrap: wrap; }

.block__lead{
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 650;
  font-size: 14.5px;
  line-height: 1.55;
  max-width: 84ch;
}

.tag{
  border-radius: 999px;
  padding: 5px 9px;
  font-weight: 900;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  opacity: 0.92;
}

/* GRID */
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 940px){ .grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .grid{ grid-template-columns: 1fr; } }

.card{
  position: relative;
  border-radius: 18px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.05);
  padding: 14px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.10);
  transition: transform var(--t), border-color var(--t), background var(--t), box-shadow var(--t);
}
[data-theme="dark"] .card{ box-shadow: 0 16px 44px rgba(0,0,0,0.30); }
[data-theme="light"] .card{ background: rgba(255,255,255,0.72); }
.card:hover{
  transform: translateY(-3px);
  border-color: rgba(76,201,255,0.28);
  background: rgba(255,255,255,0.07);
  box-shadow: var(--shadow);
}
[data-theme="light"] .card:hover{ background: rgba(255,255,255,0.86); }

.card__icon{ font-size: 18px; line-height: 1; }
.card__name{ margin-top: 10px; font-weight: 950; letter-spacing: -0.02em; font-size: 14.5px; }
.card__desc{ margin-top: 6px; color: var(--muted); font-weight: 650; font-size: 13.25px; line-height: 1.45; opacity: 0.92; }
.card__go{ position:absolute; top: 12px; right: 12px; color: var(--muted2); font-weight: 950; opacity: 0.55; }
.card:hover .card__go{ opacity: 0.85; }

/* SOCIAL */
.rail{ display:flex; flex-wrap: wrap; gap: 10px; }
.rail__btn{
  display:inline-flex;
  align-items:center;
  gap: 9px;
  border-radius: 999px;
  padding: 9px 11px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.05);
  font-weight: 900;
  color: var(--text);
  font-size: 13px;
  transition: transform var(--t), background var(--t), border-color var(--t), box-shadow var(--t);
}
[data-theme="light"] .rail__btn{ background: rgba(255,255,255,0.72); }
.rail__btn:hover{
  transform: translateY(-2px);
  border-color: rgba(76,201,255,0.26);
  box-shadow: 0 14px 34px rgba(0,0,0,0.10);
}
.ico{ width: 16px; height: 16px; display:inline-grid; place-items:center; opacity: .95; }
.ico svg{ width:16px; height:16px; fill: currentColor; opacity: .95; }

/* CONTACT */
.contact{
  display:grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
}
@media (max-width: 900px){ .contact{ grid-template-columns: 1fr; } }

.panel, .form{
  border-radius: 18px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.05);
  box-shadow: var(--shadow2);
  padding: 14px;
}
[data-theme="light"] .panel,
[data-theme="light"] .form{ background: rgba(255,255,255,0.72); }

.panel__title{ font-weight: 950; letter-spacing: -0.02em; font-size: 14px; }
.panel__text{ margin-top: 8px; color: var(--muted); font-weight: 650; font-size: 13px; line-height: 1.5; }

.emailBox{
  margin-top: 14px;
  border-radius: var(--r);
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.04);
  padding: 12px;
}
[data-theme="light"] .emailBox{ background: rgba(12,16,30,0.03); }
.emailBox__k{
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  font-size: 11px;
}
.emailBox__v{
  margin-top: 8px;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.emailBox__actions{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.field{ display:flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field__label{ color: var(--muted2); font-weight: 900; font-size: 12px; }

.field__input{
  border-radius: 15px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 12px 12px;
  font: 14px/1.4 var(--font);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
[data-theme="light"] .field__input{ background: rgba(255,255,255,0.90); }
.field__input:focus{
  border-color: rgba(76,201,255,0.40);
  box-shadow: var(--focus);
}
.field__textarea{ resize: vertical; min-height: 130px; }
.recaptcha{ margin: 10px 0 12px; }

/* Buttons */
.btn{
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 11px 14px;
  font-weight: 950;
  cursor: pointer;
  transition: transform var(--t), background var(--t), border-color var(--t), box-shadow var(--t);
}
[data-theme="light"] .btn{ background: rgba(255,255,255,0.82); }
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(76,201,255,0.22);
  box-shadow: 0 14px 34px rgba(0,0,0,0.10);
}
.btn:active{ transform: translateY(0) scale(0.99); }
.btn:focus-visible{ outline: none; box-shadow: var(--focus), 0 14px 34px rgba(0,0,0,0.10); }

.btn--primary{
  border-color: transparent;
  background: linear-gradient(90deg, rgba(76,201,255,0.95), rgba(167,139,250,0.90));
  color: #071018;
}
.btn--ghost{ background: transparent; }

.ghost{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-weight: 950;
  transition: transform var(--t), background var(--t), box-shadow var(--t);
}
[data-theme="light"] .ghost{ background: rgba(255,255,255,0.80); }
.ghost:hover{
  transform: translateY(-1px);
  border-color: rgba(76,201,255,0.22);
  box-shadow: 0 10px 26px rgba(0,0,0,0.10);
}

.fine{ margin-top: 10px; color: var(--muted2); font-size: 12px; font-weight: 650; }
.hidden{ display:none; }

/* FOOTER */
.footer{
  padding: 26px 0 44px;
  border-top: 1px solid var(--hair);
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted2);
  font-weight: 700;
}
.footer__left{ max-width: 82ch; line-height: 1.35; }
.footer__link{
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer__link:hover{ opacity: 0.9; }

/* Back to top */
#backToTop{ opacity: 0.92; }
#backToTop:hover{ opacity: 1; }