:root {
  --bg0: #070a14;
  --bg1: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  --r: 18px;
  --r2: 22px;
  --a: #7c5cff;
  --b: #2ee9a6;
  --c: #ff5c93;
}

:root[data-theme="light"] {
  --bg0: #f6f7fb;
  --bg1: #ffffff;
  --card: rgba(10, 15, 25, 0.05);
  --card2: rgba(10, 15, 25, 0.07);
  --stroke: rgba(10, 15, 25, 0.10);
  --text: rgba(10, 15, 25, 0.92);
  --muted: rgba(10, 15, 25, 0.62);
  --shadow: 0 20px 60px rgba(10, 15, 25, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 650px at 15% 15%, color-mix(in srgb, var(--a) 22%, transparent), transparent 60%),
    radial-gradient(850px 650px at 85% 20%, color-mix(in srgb, var(--b) 16%, transparent), transparent 58%),
    radial-gradient(950px 700px at 50% 95%, color-mix(in srgb, var(--c) 10%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.skip{
  position:absolute; left:-999px; top:10px; z-index:9999;
  padding:10px 12px; border-radius:12px;
  background:var(--bg1); border:1px solid var(--stroke);
}
.skip:focus{left:16px}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg1) 78%, transparent);
  border-bottom:1px solid var(--stroke);
}
.header__inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0}

.brand{display:flex; align-items:center; gap:10px; font-weight:900}
.brand__mark{
  width:38px; height:38px; border-radius:14px; display:grid; place-items:center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--a) 92%, white), color-mix(in srgb, var(--b) 75%, white));
  color:#0b1020;
}
.brand__text{font-size:14px; color:var(--text)}

/* Nav */
.nav{position:relative}
.nav__menu{list-style:none; display:flex; gap:18px; padding:0; margin:0; align-items:center}
.nav__menu a{color:var(--muted); font-weight:700; font-size:14px}
.nav__menu a:hover{color:var(--text); text-decoration:none}

.nav__toggle{
  display:none;
  width:44px; height:40px; border-radius:14px;
  background:var(--card); border:1px solid var(--stroke);
}
.nav__icon{
  display:block; width:18px; height:2px; background:var(--text); margin:0 auto; position:relative;
}
.nav__icon::before,.nav__icon::after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--text)}
.nav__icon::before{top:-6px}
.nav__icon::after{top:6px}

/* Theme button */
.theme{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:999px;
  background:var(--card); border:1px solid var(--stroke);
  font-weight:800; color:var(--text);
}
.theme__dot{
  width:10px; height:10px; border-radius:999px;
  background: linear-gradient(135deg, var(--a), var(--b));
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--a) 18%, transparent);
}
.theme__text{font-size:13px}

/* Hero */
.hero{padding:64px 0 24px}
.hero__grid{display:grid; grid-template-columns: 1.2fr .8fr; gap:24px; align-items:start}

.kicker{
  display:inline-flex;
  padding:8px 10px;
  border-radius:999px;
  background:var(--card);
  border:1px solid var(--stroke);
  color:var(--muted);
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:12px;
}

.h1{
  margin:14px 0 12px;
  font-size: clamp(34px, 3.4vw, 56px);
  line-height:1.06;
  letter-spacing:-.02em;
}
.grad{background: linear-gradient(90deg, var(--a), var(--b)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.grad2{background: linear-gradient(90deg, var(--b), var(--c)); -webkit-background-clip:text; background-clip:text; color:transparent;}

.lead{margin:0; color:var(--muted); font-size:16px; max-width: 64ch}

.hero__cta{display:flex; gap:12px; flex-wrap:wrap; margin:18px 0}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 14px; border-radius:16px;
  border:1px solid var(--stroke);
  background:var(--card);
  font-weight:900; font-size:14px;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  text-decoration:none !important;
}
.btn:hover{transform: translateY(-1px); background:var(--card2); border-color: color-mix(in srgb, var(--stroke) 70%, white)}
.btn--primary{
  border-color: transparent;
  background: linear-gradient(135deg, color-mix(in srgb, var(--a) 90%, white), color-mix(in srgb, var(--b) 70%, white));
  color:#0b1020;
}
.btn--ghost{background:transparent}
.btn--small{padding:10px 12px; border-radius:14px; font-size:13px}

.hero__chips{display:flex; flex-wrap:wrap; gap:10px; margin: 10px 0 18px}
.chip{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:var(--card);
  color:var(--muted);
  font-weight:800;
  font-size:13px;
  text-decoration:none !important;
}
.chip:hover{color:var(--text); background:var(--card2)}

/* Icon chips (Hero quick links) */
.chip--icon{
  display:inline-flex;
  align-items:center;
  gap:10px;
}

.chip__icon{
  width:16px;
  height:16px;
  display:block;
  opacity:.9;
}

.chip__text{
  line-height:1;
}

/* Contact icons */
.contact__left{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-width: 120px;
}

.contact__icon{
  width:18px;
  height:18px;
  display:block;
  opacity:.9;
}


.hero__mini{display:grid; grid-template-columns: repeat(3, 1fr); gap:10px}
.mini{
  border:1px solid var(--stroke);
  background:var(--card);
  border-radius:16px;
  padding:12px;
}
.mini__k{color:var(--muted); font-size:12px; font-weight:900; text-transform:uppercase; letter-spacing:.08em}
.mini__v{margin-top:6px; font-weight:900; font-size:13px}

/* Card */
.hero__card .card{
  border-radius: var(--r2);
  border:1px solid color-mix(in srgb, var(--stroke) 85%, white);
  background: linear-gradient(180deg, var(--card2), var(--card));
  box-shadow: var(--shadow);
  padding:18px;
  position:relative;
  overflow:hidden;
}
.hero__card .card::before{
  content:"";
  position:absolute; inset:-120px -120px auto auto;
  width: 260px; height: 260px;
  background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--b) 30%, transparent), transparent 62%);
  transform: rotate(12deg);
  pointer-events:none;
}
.card__top{display:flex; gap:14px; align-items:center; position:relative}
.avatar{
  width:68px; height:68px; border-radius:22px;
  border:1px solid var(--stroke);
  background:var(--card);
  overflow:hidden;
}
.avatar img{width:100%; height:100%; object-fit:cover}

.card__name{font-weight:1000; font-size:18px; letter-spacing:-.01em}
.card__role{color:var(--muted); font-weight:800; font-size:13px}

.card__rows{margin:14px 0; display:grid; gap:10px; position:relative}
.row{
  display:flex; justify-content:space-between; gap:12px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:var(--card)
}
.row__k{color:var(--muted); font-weight:900; font-size:12px; text-transform:uppercase; letter-spacing:.08em}
.row__v{font-weight:900; font-size:13px}
.row__v a:hover{text-decoration:none; opacity:.9}

.card__actions{display:flex; gap:10px; flex-wrap:wrap; margin:10px 0 12px; position:relative}
.card__badges{display:flex; gap:8px; flex-wrap:wrap; position:relative}
.badge{
  padding:7px 10px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:var(--card);
  color:var(--muted);
  font-weight:900;
  font-size:12px;
}

/* Sections */
.section{padding:44px 0}
.section__head{margin-bottom:16px}
.h2{margin:0; font-size:26px; letter-spacing:-.01em}
.h3{margin:0 0 10px; font-size:16px; letter-spacing:-.01em}
.muted{color:var(--muted)}
.tiny{font-size:12px}

.grid{display:grid; gap:14px}
.grid--2{grid-template-columns:1fr 1fr}

.panel{
  border-radius: var(--r);
  border:1px solid var(--stroke);
  background: var(--card);
  padding:16px;
}
.list{margin:0; padding-left:18px; color:var(--muted)}
.list li{margin:8px 0}

.highlights{display:grid; gap:10px}
.hl{
  border:1px solid var(--stroke);
  background: var(--card2);
  border-radius:16px;
  padding:12px;
}
.hl__num{font-weight:1000}
.hl__txt{color:var(--muted); font-weight:800; font-size:13px; margin-top:4px}

/* Skills */
.skills-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap:16px;
  margin-top:20px;
}
.skill{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:22px 12px;
  border-radius:20px;
  border:1px solid var(--stroke);
  background:var(--card);
  transition: transform .25s ease, background .25s ease, box-shadow .25s ease;
  text-align:center;
  font-weight:900;
  font-size:14px;
  overflow:hidden;
}
.skill img{
  width:42px;
  height:42px;
  object-fit:contain;
  transition: transform .25s ease;
}
.skill:hover{
  transform: translateY(-6px);
  background:var(--card2);
  box-shadow:
    0 12px 30px rgba(0,0,0,.25),
    0 0 26px rgba(124,92,255,.25);
}
.skill:hover img{transform: scale(1.1)}

/* Experience */
.xp {
  display: grid;
  gap: 14px;
}

.xp__card {
  border-radius: var(--r2);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, var(--card2), var(--card));
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  padding: 16px;
}

.xp__top {
  display: flex;
  gap: 12px;
  align-items: center;
}

.xp__logo {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--bg1) 75%, transparent);
  padding: 10px;
}

.xp__sub {
  color: var(--muted);
  font-weight: 800;
  font-size: 13px;
  margin-top: 4px;
}

.bullets {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullets li {
  margin: 8px 0;
}

/* Contact */
.contact{display:grid; gap:10px}
.contact__item{
  display:flex; justify-content:space-between; gap:12px;
  padding:12px; border-radius:16px;
  border:1px solid var(--stroke);
  background: var(--card);
  font-weight:900;
  text-decoration:none !important;
}
.contact__item:hover{background:var(--card2)}

.form{display:grid; gap:10px}
label{display:grid; gap:6px; color:var(--muted); font-weight:900; font-size:13px}
input,textarea{
  border-radius:16px;
  border:1px solid var(--stroke);
  background: color-mix(in srgb, var(--bg1) 70%, transparent);
  color:var(--text);
  padding:12px;
  font-family:inherit;
  outline:none;
}
input:focus,textarea:focus{
  border-color: color-mix(in srgb, var(--a) 55%, white);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--a) 18%, transparent);
}

/* Footer */
.footer{
  margin-top: 20px;
  padding: 20px 0 40px;
  border-top:1px solid var(--stroke);
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap;
  color:var(--muted);
  font-weight:800;
}
.top{
  padding:8px 10px; border-radius:14px;
  border:1px solid var(--stroke);
  background:var(--card);
  text-decoration:none !important;
}
.top:hover{background:var(--card2)}

/* Mobile */
@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr}
  .hero__mini{grid-template-columns:1fr}
  .grid--2{grid-template-columns:1fr}

  .nav__toggle{display:inline-flex; align-items:center; justify-content:center}

  .nav__menu{
    position:absolute;
    right: 0;
    top: 56px;
    width: 240px;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg1) 85%, transparent);
    border:1px solid var(--stroke);
    display:none;
  }
  .nav__menu.is-open{display:flex}
}

/* Theme-specific filters */
.logo-dark {
  display: none;
}

html[data-theme="dark"] .logo-light {
  display: none;
}

html[data-theme="dark"] .logo-dark {
  display: block;
}

html[data-theme="dark"] .xp__logo--paypal {
  filter: invert(1) brightness(10);
}

html[data-theme="light"] .xp__logo--paypal {
  filter: none;
}

html[data-theme="dark"] img[src*="kafka.svg"] {
  filter: invert(1) brightness(1.15);
}

html[data-theme="light"] img[src*="kafka.svg"] {
  filter: none;
}

html[data-theme="dark"] img[src*="aws.svg"] {
  filter: invert(1) brightness(1);
}

html[data-theme="light"] img[src*="aws.svg"] {
  filter: none;
}