:root{
  --bg: #0c0e09;
  --panel: #0f130c;
  --text: #f2f2f2;
  --muted: #cfcfcf;
  --muted2: #d6d6d6;
  --border: rgba(255,255,255,0.10);
  --hover: rgba(255,255,255,0.06);
  --active: rgba(255,255,255,0.12);
}

* { box-sizing: border-box; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
}

/* ───────── HAMBURGER ───────── */

.hamburger{
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 1001;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.hamburger span{
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 3px 0;
}

/* ───────── SIDEBAR ───────── */

.sidebar{
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 260px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 80px 18px 28px;
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  z-index: 1000;
}

.sidebar.open{
  transform: translateX(0);
}

.nav{
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

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

.nav a.active{
  background: var(--active);
  color: var(--text);
}

/* ───────── MAIN ───────── */

.main{
  padding: 96px 28px;
}

.container{
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

/* Logo in main page */
.main-logo{
  max-width: 320px;
  width: 80%;
  margin: 0 auto 56px;
  display: block;
}

h1{
  font-size: 2.6rem;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.5px;
}

h2{
  font-size: 1.4rem;
  font-weight: 400;
  margin: 0 0 48px;
  color: var(--muted);
}

.hero-image{
  max-width: 40%;
  width: 100%;
  margin-bottom: 48px;
  border-radius: 6px;
}

h3{
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--muted2);
}

/* ───────── RESPONSIVE ───────── */

@media (max-width: 768px){
  .hero-image{ max-width: 70%; }
  .main-logo{ max-width: 260px; }
}