:root{
    --bg: #0b0f17;
    --panel: #111827;
    --text: #e5e7eb;
    --muted: #a1a1aa;
    --border: rgba(255,255,255,.10);
    --shadow: 0 10px 30px rgba(0,0,0,.35);
    --radius: 18px;
    --max: 1100px;
    --pad: 22px;
    --accent: #60a5fa;
    --accent2: #a78bfa;

    --menu-bg: rgba(17,24,39,.92);
    --menu-backdrop: rgba(0,0,0,.35);
}

[data-theme="light"]{
    --bg: #f7f7fb;
    --panel: #ffffff;
    --text: #0b1220;
    --muted: #4b5563;
    --border: rgba(15,23,42,.12);
    --shadow: 0 10px 30px rgba(15,23,42,.08);

    --menu-bg: rgba(255,255,255,.92);
    --menu-backdrop: rgba(15,23,42,.16);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
    background:
            radial-gradient(1200px 600px at 20% -10%, rgba(96,165,250,.25), transparent 55%),
            radial-gradient(1000px 500px at 90% 0%, rgba(167,139,250,.20), transparent 55%),
            var(--bg);
    color: var(--text);
}

.container{
    width: min(var(--max), calc(100% - 32px));
    margin: 0 auto;
}

.header{
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: rgba(0,0,0,.18);
    border-bottom: 1px solid var(--border);
}

.header__inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding: 12px 0;
}

.logo{
    width: 42px;
    height: 42px;
    display:grid;
    place-items:center;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(96,165,250,.25), rgba(167,139,250,.20));
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    color: var(--text);
    text-decoration:none;
    font-weight: 800;
    letter-spacing: .5px;
}

.nav{
    display:flex;
    gap: 18px;
    align-items:center;
}

.nav a{
    color: var(--muted);
    text-decoration:none;
    font-weight: 600;
    padding: 8px 10px;
    border-radius: 12px;
}

.nav a:hover{
    color: var(--text);
    background: rgba(255,255,255,.06);
}

.theme{
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    border-radius: 14px;
    padding: 10px 12px;
    cursor:pointer;
}

.header__actions{
    display: flex;
    gap: 10px;
    align-items: center;
}

.menu{
    display: none;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    border-radius: 14px;
    padding: 10px 12px;
    cursor: pointer;
    line-height: 1;
}

.nav-backdrop{
    position: fixed;
    inset: 0;
    background: var(--menu-backdrop);
    z-index: 9;
}

.nav--mobile{
    position: fixed;
    top: 64px;
    left: 16px;
    right: 16px;
    z-index: 11;

    border: 1px solid var(--border);
    background: var(--menu-bg);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: var(--shadow);

    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav--mobile a{
    padding: 12px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
}

.nav--mobile a:hover{
    background: rgba(255,255,255,.06);
}

.nav--mobile,
.nav-backdrop{
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
}

.nav--mobile.is-open,
.nav-backdrop.is-open{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

@media (max-width: 900px){
    .hero__grid{ grid-template-columns: 1fr; }
    .nav--desktop{ display:none; }
    .menu{ display: inline-flex; }
}

.hero{
    padding: 56px 0 18px;
}

.hero__grid{
    display:grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 22px;
    align-items: stretch;
}

.badge{
    display:inline-flex;
    gap: 10px;
    align-items:center;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--muted);
    font-weight: 700;
}

h1{
    margin: 14px 0 10px;
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.subtitle{
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.55;
}

.hero__cta{
    display:flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.hero__links{
    display:flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.hero__links a{
    color: var(--muted);
    text-decoration:none;
    font-weight: 700;
}

.hero__links a:hover{ color: var(--text); }

.section{
    padding: 44px 0;
    scroll-margin-top: 80px;
}

.section__head{
    margin-bottom: 16px;
}

.section__head h2{
    margin: 0 0 6px;
    font-size: 28px;
}

.section__head p{
    margin:0;
    color: var(--muted);
}

.grid{
    display:grid;
    gap: 16px;
}

.grid.two{ grid-template-columns: repeat(2, 1fr); }
.grid.three{ grid-template-columns: repeat(3, 1fr); }

@media (max-width: 900px){
    .grid.two, .grid.three{ grid-template-columns: 1fr; }
}

.projects-grid{
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card{
    background: rgba(255,255,255,.06);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--pad);
}

.hero__card{ height: 100%; }

.profile{
    display:flex;
    flex-direction: column;
    gap: 14px;
}

.avatar{
    width: 86px;
    height: 86px;
    border-radius: 26px;
    display:grid;
    place-items:center;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(96,165,250,.25), rgba(167,139,250,.20));
    font-weight: 900;
    font-size: 26px;
}

.avatar img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 26px;
}

.profile__title{
    margin: 0;
    font-size: 20px;
}

.profile__desc{
    margin: 6px 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.chips{
    display:flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
}

.chip{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    font-weight: 700;
    font-size: 13px;
    transition: transform .12s ease;
}

.chip__icon{
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border-radius: 6px;
}

.chip__icon[src*="webflux"]{
    transform: scale(1.30);
    transform-origin: center;
}
.chip__icon[src*="redis"]{
    transform: scale(1.70);
    transform-origin: center;
}

.chip--link{
    text-decoration: none;
    color: inherit;
}

.chip--link:hover{
    transform: translateY(-1px);
}

.chip--link:focus-visible{
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    text-decoration:none;
    font-weight: 800;
    color: var(--text);
    background: rgba(255,255,255,.06);
    cursor:pointer;
}

.btn--primary{
    background: linear-gradient(135deg, rgba(96,165,250,.35), rgba(167,139,250,.28));
}

.btn--ghost{
    background: transparent;
}

.list{
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.6;
}

.muted{ color: var(--muted); }

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

.project__desc{
    color: var(--muted);
    line-height: 1.6;
}

.project__links{
    margin-top: 12px;
    display:flex;
    gap: 12px;
}

.link{
    color: var(--text);
    text-decoration:none;
    font-weight: 800;
    border-bottom: 1px dashed rgba(255,255,255,.35);
}

[data-theme="light"] .link{
    border-bottom-color: rgba(15,23,42,.35);
}

.notice{
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--muted);
    line-height: 1.55;
}

.form{
    display:flex;
    flex-direction: column;
    gap: 12px;
}

label{
    display:flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 800;
    color: var(--text);
}

input, textarea{
    width:100%;
    padding: 12px 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    outline: none;
}

input::placeholder, textarea::placeholder{
    color: rgba(161,161,170,.85);
}

.footer{
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}


@media (max-width: 900px){
    .hero__grid{
        grid-template-columns: 1fr !important;
    }

    .hero__card{
        margin-top: 14px;
    }
}