/* VARIABLES */
:root {
  --accent1: #5b21b6;
  --accent2: #7c3aed;
  --accent3: #60a5fa;
  --muted: #a0a6b8;
  --bg: #0f172a;
  --glass: rgba(255,255,255,0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, sans-serif;
  background: linear-gradient(180deg, #05060a, #0d1228 60%, #0b1023);
  color: #e8ecf3;
  overflow-x: hidden;
}

/* HEADER */
.topbar {
  position: fixed;
  top:0; left:0; right:0;
  height: 64px;
  padding:10px 22px;
  background: rgba(22,26,46,0.4);
  backdrop-filter: blur(8px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  display:flex; align-items:center; justify-content:space-between;
  z-index:100;
}

.brand { display:flex; align-items:center; gap:12px; }
.logo {
  width:44px; height:44px;
  background:linear-gradient(135deg,var(--accent1),var(--accent2));
  border-radius:12px; display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:20px;
}

.tagline { font-size:12px; color:var(--muted); }

nav { display:flex; gap:20px; align-items:center; }
nav a { color:#f1f3f8; font-size:15px; padding:6px 10px; border-radius:8px; }
nav a:hover { background:rgba(255,255,255,0.05); }
.cta { background:linear-gradient(90deg,var(--accent3),#3b82f6); padding:8px 14px!important; border-radius:10px; color:#042a52!important; }

/* MOBILE NAV */
.hamburger { display:none; font-size:26px; cursor:pointer; }
.mobile-menu {
  display:none; flex-direction:column; gap:16px;
  background:rgba(15,19,35,0.98);
  position:fixed; top:64px; left:0; right:0; padding:20px;
}
.mobile-menu a { padding:12px 0; font-size:18px; }

/* HERO */
.hero {
  padding-top:140px;
  padding-bottom:90px;
  padding-left:24px; padding-right:24px;
  max-width:1200px; margin:auto; position:relative;
}

.hero-left h1 {
  font-size:46px;
  margin-bottom:12px;
}

.hero-left .grad {
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero-left p {
  font-size:18px;
  max-width:620px;
  color:#c8ccda;
}

.actions { display:flex; gap:16px; margin-top:22px; }

.btn-primary {
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  padding:14px 24px;
  border-radius:12px;
  font-weight:700;
  color:white;
}

.btn-ghost {
  border:1px solid rgba(255,255,255,0.1);
  padding:14px 22px;
  border-radius:12px;
  color:#c8ccda;
}

/* HERO GLOW */
.hero-glow {
  position:absolute;
  top:-120px;
  left:50%;
  transform:translateX(-50%);
  width:800px;
  height:800px;
  background:radial-gradient(circle,var(--accent2) 0%, transparent 60%);
  filter:blur(160px);
  opacity:0.4;
  z-index:-1;
}

/* SECTION TITLE */
.section-title {
  text-align:center;
  font-size:32px;
  margin-bottom:34px;
}

/* FEATURES */
.features { max-width:1200px; margin:50px auto; padding:0 24px; }
.feature-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:24px;
}

.feature-card {
  background:rgba(255,255,255,0.04);
  padding:22px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,0.05);
  text-align:center;
}

.feature-card .icon {
  font-size:36px;
  margin-bottom:10px;
}

.feature-card h4 {
  font-size:18px;
  margin-bottom:6px;
}

/* SCREENSHOTS */
.screenshots {
  max-width:1200px; margin:80px auto; padding:0 20px;
  text-align:center;
}

.carousel {
  display:flex;
  gap:20px;
  justify-content:center;
  flex-wrap:wrap;
}

.carousel img {
  width:240px;
  border-radius:16px;
  opacity:0.7;
  transition:0.3s;
}

.carousel img.center {
  transform:scale(1.1);
  opacity:1;
}

.dots {
  display:flex; gap:10px; justify-content:center; margin-top:10px;
}

.dot {
  width:10px; height:10px; border-radius:50%;
  background:#555; cursor:pointer;
}

.dot.active {
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
}

/* CONTACT */
.contact {
  max-width:1100px;
  margin:60px auto;
  padding:20px;
}

.contact-box {
  background:rgba(255,255,255,0.04);
  padding:26px;
  border-radius:16px;
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}

.avatar {
  width:80px; height:80px;
  background:linear-gradient(135deg,var(--accent1),var(--accent2));
  border-radius:20px;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:30px;
}

.contact-links a {
  display:inline-block;
  background:rgba(255,255,255,0.08);
  padding:12px 16px;
  margin-right:10px;
  border-radius:12px;
  font-weight:600;
}

footer {
  text-align:center;
  margin:60px 0 80px;
  color:var(--muted);
}

/* ANIMATIONS */
.fade-up {
  opacity:0;
  transform:translateY(20px);
  animation:fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  to { opacity:1; transform:none; }
}

/* RESPONSIVE */
@media (max-width:900px) {
  nav { display:none; }
  .hamburger { display:block; }
}

@media (max-width:600px) {
  .hero-left h1 { font-size:32px; }
  .carousel img { width:180px; }
}