/* ==========================================================================
   Base
   ========================================================================== */

:root{
  --bg: #0b1020;
  --surface: rgba(255,255,255,0.06);
  --surface-2: rgba(255,255,255,0.09);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --muted-2: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.16);

  --accent: #3b82f6;
  --accent-2: #22c55e;
  --danger: #ef4444;

  --shadow: 0 18px 50px rgba(0,0,0,0.35);
  --shadow-soft: 0 10px 30px rgba(0,0,0,0.25);

  --radius: 16px; 
  --radius-sm: 12px;

  --maxw: 1080px;

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body{
  margin: 0;
  padding: 0;
  height: 100%;
}

body{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;

  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;

  background:
    radial-gradient(900px 500px at 20% 10%, rgba(59,130,246,0.25), transparent 55%),
    radial-gradient(900px 500px at 80% 30%, rgba(34,197,94,0.18), transparent 55%),
    radial-gradient(1100px 700px at 50% 100%, rgba(255,255,255,0.08), transparent 60%),
    var(--bg);
}

.site-main{
  flex: 1;
  overflow-y: auto;
  padding: 26px 20px 42px 20px;
}

.site-footer{
  flex-shrink: 0;
}

main { flex: 1; }
footer { flex-shrink: 0; }

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

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

a:focus-visible, button:focus-visible{
  outline: 3px solid rgba(59,130,246,0.6);
  outline-offset: 2px;
  border-radius: 10px;
}

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

.section{
  padding: 28px 0;
}

.h1{
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin: 0 0 10px 0;
}

.h2{
  font-size: clamp(22px, 2.8vw, 28px);
  margin: 0 0 10px 0;
}

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

/* ==========================================================================
   Header
   ========================================================================== */

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11,16,32,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px ;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 14px;
  user-select: none;
}

.brand:hover{
  background: rgba(255,255,255,0.05);
}

.site-nav{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link{
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.nav-link:hover{
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.nav-link.is-active{
  background: linear-gradient(135deg, rgba(59,130,246,0.22), rgba(34,197,94,0.14));
  border-color: rgba(255,255,255,0.18);
  color: var(--text);
}

/* ==========================================================================
   Main layout
   ========================================================================== */

.site-main{
  padding: 26px 20px 42px 20px;
}

.hero{
  padding: 30px 0 10px 0;
}

.hero-card{
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow-soft);
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
  align-items: center;
}

@media (max-width: 860px){
  .hero-grid{
    grid-template-columns: 1fr;
  }
}

.badges{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.badge{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  padding: 6px 10px;
  border-radius: 999px;
}

.card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-soft);
}

.card-pad{
  padding: 22px;
}

.hr{
  height: 1px;
  background: rgba(255,255,255,0.12);
  border: 0;
  margin: 18px 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  user-select: none;
}

.button:hover{
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.20);
  transform: translateY(-1px);
}

.button.primary{
  background: linear-gradient(135deg, rgba(59,130,246,0.88), rgba(34,197,94,0.70));
  border-color: rgba(255,255,255,0.16);
}

.button.primary:hover{
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.button.ghost{
  background: transparent;
}

/* ==========================================================================
   Projects
   ========================================================================== */

.projects{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.project-card{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-soft);
}

.project-media{
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  display: grid;
  place-items: center;
  min-height: 180px;
  user-select: none;
  pointer-events: none;
}

.project-media img{
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.project-content h2{
  margin: 0 0 8px 0;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.project-content p{
  margin: 0 0 12px 0;
  color: var(--muted);
}

.project-actions{
  margin: 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 720px){
  .project-card{
    grid-template-columns: 1fr;
  }
  .project-media img{
    width: 160px;
    height: 160px;
  }
}

/* ==========================================================================
   About
   ========================================================================== */

.about{
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  align-items: start;
  margin-top: 18px;
}

.about-media{
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(244, 240, 240, 0.1);
  box-shadow: var(--shadow-soft);
  user-select: none;
  pointer-events: none;
}

.about-media img{
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.about-content{
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-soft);
}

@media (max-width: 860px){
  .about{
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Imprint
   ========================================================================== */

.url-hint{
  color: var(--muted);
  font-size: 1.0em;
}


/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer{
  border-top: 1px solid rgba(255,255,255,0.10);
  background: rgba(11,16,32,0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 20px;
}

.footer-inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  color: var(--muted-2);
}

.footer-inner a{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.footer-inner a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
}

/* ===================================================================*