* { box-sizing: border-box; }
:root {
  --bg: #0b0e13;
  --panel: #121723;
  --text: #e6ecf2;
  --muted: #a5b1c2;
  --primary: #6aa3ff;
  --primary-600: #3b82f6;
  --accent: #22d3ee;
  --card: #151b28;
  --chip: #1d2535;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 14px;
}
html, body {
  height: 100%;
}
body {
  margin: 0;
  background: linear-gradient(180deg, #0b0e13 0%, #0e1320 100%);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
}
.container {
  max-width: 1180px;
  padding: 0 20px;
  margin: 0 auto;
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,14,19,0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.logo { width: 28px; height: 28px; filter: drop-shadow(0 0 10px rgba(106,163,255,0.4)); }
nav a { color: var(--text); text-decoration: none; margin-left: 18px; opacity: 0.9; }
nav a:hover { opacity: 1; color: var(--primary); }
.btn { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%); padding: 10px 16px; border-radius: 10px; color: white; text-decoration: none; display: inline-block; border: 0; cursor: pointer; font-weight: 600; }
.btn:hover { filter: brightness(1.05); transform: translateY(-1px) scale(1.02); }
.btn-secondary { background: #1f2937; }
.btn-sm { padding: 8px 12px; font-size: 14px; }

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 10px;
}

.hamburger {
  width: 100%;
  height: 3px;
  background: var(--text);
  margin: 2px 0;
  transition: 0.3s;
  border-radius: 2px;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--bg);
  z-index: 100;
  padding: 80px 20px 20px;
  transition: right 0.3s ease;
  overflow-y: auto;
  display: none;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-left: 0;
}

.mobile-nav .btn-sm {
  width: 100%;
  text-align: center;
  margin-top: 10px;
}

@media (max-width: 768px) {
  .mobile-nav {
    display: block;
  }
  
  .mobile-nav.active {
    right: 0;
  }
}

.menu-toggle.active .hamburger:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.menu-toggle.active .hamburger:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .hamburger:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.hero { padding: 64px 0 24px; }
.grid2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: center; }
.lead { color: var(--muted); }
.highlights { margin-top: 16px; padding-left: 18px; color: var(--muted); }
.device-mockup { background: radial-gradient(1000px 400px at 20% 20%, rgba(106,163,255,0.15), transparent 60%); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.06); padding: 18px; position: relative; isolation: isolate; }
.device-mockup img { width: 100%; border-radius: 12px; display: block; mix-blend-mode: multiply; filter: contrast(1.08) saturate(1.03); }

.section { padding: 64px 0; }
.section.alt { background: radial-gradient(1000px 400px at 80% 20%, rgba(34,211,238,0.07), transparent 60%); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.section h2 { margin-top: 0; margin-bottom: 18px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius); padding: 16px; }
.card h3 { margin-top: 6px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { background: var(--chip); color: var(--text); border: 1px solid rgba(255,255,255,0.06); padding: 8px 12px; border-radius: 999px; font-size: 14px; }

.screens-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.shot { margin: 0; background: var(--panel); border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,0.06); }
.shot img { width: 100%; display: block; }
.shot figcaption { padding: 10px 12px; font-size: 14px; color: var(--muted); }

.checklist { list-style: none; padding-left: 0; }
.checklist li::before { content: "✔"; color: var(--success); margin-right: 8px; }

.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.price-card { background: linear-gradient(180deg, #141a29, #0f1420); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; padding: 18px; position: relative; }
.price-card .price { font-size: 28px; font-weight: 700; margin: 8px 0 12px; }
.price-card .price span { font-size: 44px; }
.price-card.popular { border-color: rgba(106,163,255,0.6); box-shadow: 0 0 0 2px rgba(106,163,255,0.2) inset; }
.price-card .badge { position: absolute; top: -10px; right: 16px; background: var(--accent); color: #001018; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }

.contact .contact-list { list-style: none; padding-left: 0; }
.contact .contact-list a { color: var(--primary); text-decoration: none; }
.contact-form { background: var(--panel); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; padding: 16px; }
.contact-form label { display: grid; gap: 6px; margin-bottom: 12px; }
.contact-form input, .contact-form textarea { background: #0e1420; border: 1px solid rgba(255,255,255,0.08); color: var(--text); border-radius: 10px; padding: 10px 12px; font: inherit; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }

.site-footer { padding: 32px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; align-items: center; }
.footer-nav a { color: var(--muted); margin-right: 12px; text-decoration: none; }
.footer-nav a:hover { color: var(--text); }

/* Admin styles */
.admin-box { background: var(--panel); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; padding: 18px; max-width: 520px; margin: 0 auto; }
.admin-box form label { display: grid; gap: 6px; margin-bottom: 12px; }
.admin-grid { display: grid; grid-template-columns: 220px 1fr; gap: 18px; }
.admin-nav { background: var(--panel); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 12px; position: sticky; top: 84px; height: fit-content; }
.tab-btn { width: 100%; text-align: left; background: #0f1420; color: var(--text); border: 1px solid rgba(255,255,255,0.06); padding: 10px 12px; border-radius: 10px; margin-bottom: 8px; cursor: pointer; }
.tab-btn.active { border-color: rgba(106,163,255,0.6); box-shadow: 0 0 0 2px rgba(106,163,255,0.2) inset; }
.admin-content .tab label { display: grid; gap: 6px; margin-bottom: 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.uploader { background: var(--panel); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 12px; margin-top: 12px; }

@media (max-width: 900px) {
  .admin-grid { grid-template-columns: 1fr; }
  .admin-nav { position: static; }
}

/* Activity animations */
[data-animate] {
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
  will-change: transform, opacity;
}
[data-animate].in-view { opacity: 1; transform: none; }
[data-animate="fade-in"] { transform: none; opacity: 0; }
[data-animate="slide-left"] { transform: translateX(-24px); }
[data-animate="zoom-in"] { transform: scale(.96); }
[data-animate].in-view { transition-delay: var(--anim-delay, 0ms); }

/* Floating hero mockup */
.device-mockup { animation: floatY 7s ease-in-out infinite; }
@keyframes floatY { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-8px) } }

/* Interactive hover effects */
.card, .shot, .price-card, .chip, .btn { transition: transform .25s ease, box-shadow .25s ease; }
.card:hover, .shot:hover, .price-card:hover { transform: translateY(-6px); box-shadow: 0 12px 24px rgba(0,0,0,.25); }
.chip:hover { transform: translateY(-2px); }


/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  [data-animate] { opacity: 1 !important; transform: none !important; }
}

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .screens-grid { grid-template-columns: repeat(2, 1fr); }
  .grid2 { grid-template-columns: 1fr; }
  nav a { margin-left: 12px; }
}
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .screens-grid { grid-template-columns: repeat(2, 1fr); }
  .grid2 { grid-template-columns: 1fr; }
  nav a { margin-left: 12px; }
  
  /* Show mobile menu button */
  .menu-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  /* Hide desktop nav and show mobile menu toggle */
  .desktop-nav {
    display: none;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .mobile-nav.active {
    right: 0;
  }
}

@media (max-width: 640px) {
  .features-grid, .pricing { grid-template-columns: 1fr; }
  .screens-grid { grid-template-columns: 1fr; }
  .nav { padding: 10px 0; }
}