:root {
    --bg: #02040a;
    --card: rgba(0, 30, 60, 0.25);
    --neon: #00d5ff;
    --neon-soft: #0090ff;
    --text: #e7f4ff;
    --muted: #90a5c7;
    --font: 'Segoe UI', sans-serif;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    font-family: var(--font);
    min-height: 100vh;
}

#particles {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -3;
}

header {
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    padding: 10px 50px;
    box-sizing: border-box;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(5px);
    z-index: 999;
}
header nav a {
    margin:0 15px;
    color:var(--text);
    text-decoration:none;
    font-weight:500;
}

@media(max-width:768px){
    nav { justify-content: center; gap: 10px; }
    nav a { font-size:14px; }
}
@media(max-width:480px){
    nav { justify-content: center; gap: 8px; }
    nav a { font-size:13px; padding:4px 6px; }
}

.logo {
    display: flex;
    align-items: center;
    color: var(--neon);
    font-weight: bold;
    font-size: 22px;
}

.logo span { margin-left: 15px; }

.hero {
    min-height: 100vh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    margin-top: 100px;
    box-sizing: border-box;
}
.hero-logo-3d .logo-3d {
    animation: rotate3d 8s linear infinite, glow 2s ease-in-out infinite alternate;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}
@keyframes rotate3d { from { transform: rotateY(0deg) rotateX(0deg);} to { transform: rotateY(360deg) rotateX(10deg); } }
@keyframes glow { from { filter: drop-shadow(0 0 8px #00d5ff); } to { filter: drop-shadow(0 0 22px #00ffff); } }

.holo {
    font-size:90px;
    color:var(--neon);
    text-shadow:0 0 30px var(--neon-soft);
    animation:holoMove 3s infinite alternate ease-in-out;
}
@keyframes holoMove { 0%{opacity:.7;transform:translateY(0);}100%{opacity:1;transform:translateY(-6px);} }

.btn {
    margin-top:30px;
    padding:12px 32px;
    border:2px solid var(--neon);
    color: var(--neon);
    border-radius:8px;
    text-decoration:none;
}
.btn:hover { background: var(--neon); color:black; }

.section {
    max-width: 1200px;
    margin:120px auto;
    padding:30px;
    text-align:center;
}
.section h2 { color: var(--neon); margin-bottom: 20px; }

.crystal-panel {
    background: rgba(0, 80, 120, 0.15);
    backdrop-filter: blur(18px) saturate(180%);
    border:1px solid rgba(0,220,255,.4);
    border-radius:12px;
    padding:40px;
}

.card {
    padding:25px;
    border-radius:12px;
    background: rgba(0,25,50,.18);
    backdrop-filter:blur(10px);
    border:1px solid rgba(0,255,255,.15);
    transition:0.3s;
}
.card:hover {
    border-color: var(--neon);
    box-shadow:0 0 25px rgba(0,200,255,.5);
    transform:translateY(-5px);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

input, textarea {
    width:100%;
    background: rgba(0,20,40,.25);
    border:1px solid rgba(0,100,150,.4);
    padding:12px;
    margin:10px 0;
    border-radius:8px;
    color:var(--text);
}
button {
    background: var(--neon);
    border:none;
    padding:12px 20px;
    font-weight:bold;
    border-radius:8px;
}

footer { text-align:center; padding:40px; color:var(--muted); }

#boot-screen {
    position: fixed;
    inset: 0;
    background: #000;
    color: var(--neon);
    font-family: monospace;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.boot-hide { 
    animation: bootFadeOut 1s forwards; 
}
@keyframes bootFadeOut { 
    to { opacity: 0; visibility: hidden; } 
}

.boot-lines { 
    height: 120px; 
    font-size: 14px; 
    white-space: pre-line; 
    margin-bottom: 20px;
}

.boot-loading { 
    width: 300px; 
    height: 6px; 
    background: rgba(255,255,255,0.1); 
    border-radius: 3px; 
    overflow: hidden; 
    margin-bottom: 20px;
}

.loader-bar { 
    height: 100%; 
    width: 0%; 
    background: linear-gradient(90deg, var(--neon), var(--neon-soft)); 
    transition: width 0.15s ease-in-out;
}

.boot-logo { 
    font-size: 20px; 
    color: var(--neon); 
    margin-top: 10px; 
    text-align: center;
}

html {
  scroll-padding-top: 115px;
  scroll-behavior: smooth;
}