/* ==========================
   Inter Variable Font
   ========================== */
@font-face {
  font-family: "Inter";
  src: url("assets/fonts/Inter-VariableFont_opsz,wght.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/Inter-Italic-VariableFont_opsz,wght.ttf") format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* ==========================
   Base + Theme
   ========================== */
:root{
  --bg: #0b0f14;
  --panel: rgba(255,255,255,0.04);
  --panel-2: rgba(255,255,255,0.02);
  --border: rgba(255,255,255,0.25);
  --text: rgba(255,255,255,0.88);
  --muted: rgba(255,255,255,0.62);

  --accent: #33ff99;
  --shadow: 0 25px 60px rgba(0,0,0,0.6);

  --max: 860px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }

body{
  margin: 0;
  min-height: 100vh;

  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;

  line-height: 1.65;
  color: var(--text);

  background:
    radial-gradient(900px 500px at 20% -10%, rgba(51,255,153,0.08), transparent 55%),
    linear-gradient(180deg, #070a0f 0%, var(--bg) 100%);
}

/* ==========================
   Layout
   ========================== */
.container{
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 4rem;
}

/* ==========================
   Header / Nav
   ========================== */
.site-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  margin-bottom: 1.75rem;
}

.brand{
  display: flex;
  align-items: center;
  text-decoration: none;
  margin-left: -40px;
}

.brand-mark{
  display: grid;
  place-items: center;
  transition: transform 160ms ease;
}

.brand-mark img{
  width: 140px;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.45));
}

.brand-mark:hover{
  transform: translateY(-1px);
}

/* ==========================
   Navigation
   ========================== */
nav{
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

nav a{
  position: relative;
  text-decoration: none;
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: 140ms ease;
}

nav a::after{
  content: "";
  position: absolute;
  left: 0.65rem;
  right: 0.65rem;
  bottom: 0.34rem;
  height: 2px;
  border-radius: 999px;
  background: rgba(51,255,153,0.75);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

nav a:hover::after{
  transform: scaleX(1);
}

nav a[aria-current="page"]{
  color: var(--text);
  background: rgba(51,255,153,0.15);
}

nav a[aria-current="page"]::after{
  transform: scaleX(1);
}

/* ==========================
   Terminal Panel (Refined)
   ========================== */
.terminal{
  border: 1px solid var(--border);
  border-radius: 0;
  background: linear-gradient(
    180deg,
    var(--panel),
    var(--panel-2)
  );

  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    var(--shadow);

  position: relative;
  overflow: hidden;
}

.terminal::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,0.02) 0px,
      rgba(255,255,255,0.02) 1px,
      transparent 3px,
      transparent 6px
    );
  opacity: 0.05;
  mix-blend-mode: overlay;
}

.terminal::after{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background: rgba(255,255,255,0.35);
}

.terminal-body{
  padding: 1.6rem 1.6rem 2rem;
}

/* ==========================
   Terminal Prompt
   ========================== */
.prompt{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
  color: var(--accent);
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

.prompt .dim{
  color: rgba(51,255,153,0.65);
}

.prompt::after{
  content:"";
  display:inline-block;
  width: 0.6ch;
  height: 1em;
  margin-left: 0.35ch;
  background: rgba(51,255,153,0.55);
  transform: translateY(0.1em);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink{
  50%{ opacity:0; }
}

/* ==========================
   Typography
   ========================== */
h1, h2, h3{
  margin: 0 0 0.75rem;
}

h2{
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 600;
}

p{
  margin: 0 0 1rem;
}

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

a{
  color: rgba(255,255,255,0.9);
}

a:hover{
  color: var(--accent);
}

.section{
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.kbd{
  font-family: ui-monospace, monospace;
  padding: 0.1rem 0.4rem;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 4px;
  background: rgba(0,0,0,0.25);
}

footer{
  margin-top: 1.5rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

/* ==========================
   Corner Snake Animation
   ========================== */
.corner-anim{
  position: absolute;
  bottom: 20px;
  right: 20px;
  opacity: 0.8;
  pointer-events: none;
}

.corner-anim canvas{
  display: block;
}

/* ==========================
   Responsive
   ========================== */
@media (max-width: 680px){
  .site-header{
    flex-direction: column;
    align-items: flex-start;
  }

  nav{
    flex-wrap: wrap;
  }

  .brand-mark img{
    width: 120px;
  }
}

/* ==========================
   Now Snippet
   ========================== */
.now-content{
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.now-toggle{
  margin-left: 0.6rem;
  text-decoration: none;
  color: var(--muted);
  font-family: ui-monospace, monospace;
}

.now-toggle:hover{
  color: var(--accent);
}