:root{
  --bg:#0b0f14;
  --panel:#0f1620;
  --text:#e9edf2;
  --muted:#b7c2cf;
  --border:rgba(255,255,255,.10);
  --accent:#7c5cff;
  --accent2:#00d0ff;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% -10%, rgba(124,92,255,.20), transparent 60%),
              radial-gradient(900px 600px at 80% 0%, rgba(0,208,255,.14), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit}
.container{width:min(1100px, 92%); margin:0 auto}

.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(11,15,20,.65);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.logo{display:flex; align-items:baseline; gap:10px; font-weight:700; letter-spacing:.2px}
.logo-mark{
  padding:6px 10px; border-radius:999px;
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(0,208,255,.75));
  color:#0b0f14;
}
.logo-text{opacity:.95}

.nav{display:flex; gap:18px; align-items:center}
.nav a{opacity:.92; text-decoration:none}
.nav a:hover{opacity:1; text-decoration:underline}

.nav-toggle{
  display:none;
  background:transparent; border:1px solid var(--border);
  border-radius:10px; padding:10px; color:var(--text);
}
.nav-toggle span{
  display:block; width:20px; height:2px; background:var(--text); margin:4px 0; opacity:.85;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px; border-radius:12px;
  border:1px solid var(--border);
  text-decoration:none;
  cursor:pointer;
}
.btn-primary{
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(0,208,255,.75));
  border-color: transparent;
  color:#0b0f14;
  font-weight:700;
}
.btn-outline{background:transparent}
.btn-ghost{background:rgba(255,255,255,.06)}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0)}

.hero{padding:48px 0 26px}
.hero-grid{display:grid; grid-template-columns: 1.1fr .9fr; gap:26px; align-items:start}
.hero-text h1{font-size: clamp(32px, 4vw, 46px); line-height:1.05; margin:0 0 12px}
.accent{
  background: linear-gradient(135deg, rgba(124,92,255,1), rgba(0,208,255,1));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-text p{color:var(--muted); margin:0 0 16px}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin:16px 0}
.hero-subtext{font-size:14px; opacity:.9}

.hero-card{
  background: rgba(15,22,32,.72);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px 18px 14px;
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
}
.hero-tag{display:inline-block; font-size:12px; letter-spacing:.3px; color:var(--muted); margin-bottom:10px}
.hero-card h2{margin:0 0 10px; font-size:18px}
.hero-card ul{margin:0 0 10px; padding-left:18px; color:var(--muted)}
.small{font-size:13px; color:var(--muted); margin:0}

.section{padding:40px 0}
.section-alt{background: rgba(255,255,255,.04); border-top:1px solid var(--border); border-bottom:1px solid var(--border)}
.section-title{margin:0 0 10px; font-size:26px}
.section-intro{margin:0 0 20px; color:var(--muted)}

.cards-grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:16px}
.card{
  background: rgba(15,22,32,.6);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}
.card h3{margin:0 0 8px}
.card p, .card li{color:var(--muted)}
.card ul{margin:10px 0 0; padding-left:18px}

.portfolio-grid{display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap:16px}
.portfolio-item{
  background: rgba(15,22,32,.6);
  border:1px solid var(--border);
  border-radius:18px;
  padding:14px;
}
.portfolio-thumb{
  height:150px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  display:flex;
  align-items:center;
  justify-content:center;
}
.placeholder-thumb span{color:var(--muted); font-size:13px; padding:10px; text-align:center}
.portfolio-img{width:100%; height:100%; object-fit:cover; display:block}
.demo-btn{margin-top:10px}

.note{
  margin-top:18px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  color: var(--muted);
}
.note code{
  background: rgba(0,0,0,.28);
  padding:2px 6px;
  border-radius:8px;
  border: 1px solid rgba(255,255,255,.10);
}

.steps-grid{display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap:20px}
.step{
  background: rgba(15,22,32,.6);
  border:1px solid var(--border);
  border-radius:18px;
  padding:16px;
}
.step-number{
  display:inline-flex; align-items:center; justify-content:center;
  width:28px; height:28px; border-radius:10px;
  background: rgba(124,92,255,.20);
  border:1px solid rgba(124,92,255,.35);
  margin-bottom:10px;
  font-weight:700;
}

.about-grid{display:grid; grid-template-columns: 1.1fr .9fr; gap:18px}
.about-highlight{
  background: rgba(15,22,32,.6);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}
.about-highlight li{color:var(--muted)}

.contact-grid{display:grid; grid-template-columns: 1fr 1fr; gap:18px}
.contact-list{margin:0; padding-left:18px; color:var(--muted)}

.contact-form{
  background: rgba(15,22,32,.6);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}
.form-field{display:flex; flex-direction:column; gap:6px; margin-bottom:12px}
label{font-size:13px; color:var(--muted)}
input, textarea{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus{border-color: rgba(124,92,255,.65)}
.full-width{width:100%}
.form-message{margin:10px 0 0; color:var(--muted); font-size:13px}

.site-footer{
  border-top:1px solid var(--border);
  padding:24px 0;
  background: rgba(0,0,0,.18);
}
.footer-inner{display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}
.footer-note{color:var(--muted); margin:0}

@media (max-width: 900px){
  .hero-grid, .about-grid, .contact-grid{grid-template-columns: 1fr}
  .cards-grid, .portfolio-grid{grid-template-columns: 1fr}
  .steps-grid{grid-template-columns: 1fr 1fr}
  .nav{display:none}
  .nav.open{display:flex; position:absolute; right:4%; top:64px; flex-direction:column; gap:10px;
            background: rgba(11,15,20,.92); border:1px solid var(--border); border-radius:16px; padding:12px; width:min(260px, 92vw)}
  .nav-toggle{display:inline-block}
}


@media (max-width: 1200px){.portfolio-grid{grid-template-columns: repeat(2, minmax(0, 1fr))}.steps-grid{grid-template-columns: repeat(2, minmax(0, 1fr))}}
@media (max-width: 800px){.hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.cards-grid{grid-template-columns:1fr}.portfolio-grid{grid-template-columns:1fr}.steps-grid{grid-template-columns:1fr}.nav{display:none}.nav-toggle{display:inline-block}}

/* --- Hero Media (screenshot OR video) --- */
.hero-media{ margin: 0 0 10px; }
.hero-media .media-caption{ margin: 10px 2px 0; color: var(--muted); font-size: 13px; }
.media-frame{
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(15,22,32,.6);
  box-shadow: 0 18px 60px rgba(0,0,0,.28);
}
.media-frame img,
.media-frame video{
  width: 100%;
  height: auto;          
  display: block;
  object-fit: contain;   
  background: #000;      
}

.media-overlay{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; pointer-events:none; }
.media-badge{
  position:absolute; left:14px; bottom:14px;
  background: rgba(11,15,20,.75);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 12px;
  opacity: .95;
}
.media-play{
  width: 62px; height: 62px; border-radius: 999px;
  background: rgba(124,92,255,.22);
  border: 1px solid rgba(124,92,255,.40);
  display:grid; place-items:center; font-size:20px; color: var(--text);
}
.media-link{ text-decoration:none; display:block; }
.media-link:hover .media-frame{ transform: translateY(-1px); }
.media-link:active .media-frame{ transform: translateY(0); }
.hero-media[data-mode="link"] .media-video{ display:none; }
.hero-media[data-mode="video"] .media-link{ display:none; }

/* --- Lightbox --- */
.portfolio-thumb img{ cursor: zoom-in; }

.lightbox{
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.72);
  z-index: 9999;
  padding: 18px;
}
.lightbox.open{ display: flex; }
.lightbox-surface{
  max-width: min(1100px, 92vw);
  max-height: min(82vh, 900px);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(15,22,32,.85);
  box-shadow: 0 24px 90px rgba(0,0,0,.45);
}
.lightbox-img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: rgba(0,0,0,.25);
}
.lightbox-close{
  position: absolute;
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(11,15,20,.75);
  color: var(--text);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}
.lightbox-close:hover{ transform: translateY(-1px); }
.lightbox-close:active{ transform: translateY(0); }
/* --- Real vs Virtual Section (final sizing) --- */
#real-vs-virtual .rvv-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap:20px;
}

#real-vs-virtual .rvv-item{
  max-width: 820px;     /* KEY: caps the card width */
  margin: 0 auto;       /* centers the card */
  background: rgba(15,22,32,.6);
  border:1px solid var(--border);
  border-radius:18px;
  padding:14px;
}

#real-vs-virtual .rvv-item img{
  width:100%;
  max-height: 360px;    /* KEY: caps image height */
  object-fit: contain;
  display:block;
  margin:0 auto;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
}

#real-vs-virtual .rvv-caption{
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
  text-align:center;
}