:root {
    --bg: #000000;
    --cyan: #00f2ff;
    --text: #ffffff;
    --text-dim: #94a3b8;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.6; overflow-x: hidden; }

/* --- PRELOADER --- */
#preloader { position: fixed; inset: 0; background: #000; z-index: 10000; display: flex; justify-content: center; align-items: center; }
.sz-glitch { font-weight: 800; font-size: 2.5rem; letter-spacing: 8px; animation: glowPulse 2s infinite alternate; }
.loader-track { width: 250px; height: 1px; background: #111; margin: 20px 0; position: relative; }
.fill { height: 100%; background: var(--cyan); width: 0; animation: fillBar 2.5s forwards; }
.status-msg { font-family: 'JetBrains Mono'; font-size: 9px; color: var(--text-dim); letter-spacing: 3px; }

/* --- BACKGROUND --- */
.viewport-bg { position: fixed; inset: 0; z-index: -1; }
.aura { position: absolute; border-radius: 50%; filter: blur(150px); opacity: 0.15; }
.a1 { width: 600px; height: 600px; background: var(--cyan); top: -200px; right: -100px; }
.a2 { width: 400px; height: 400px; background: #0066ff; bottom: -100px; left: -100px; }
.noise-layer { position: absolute; inset: 0; background: url('https://grainy-gradients.vercel.app/noise.svg'); opacity: 0.04; }

/* --- NAV --- */
nav { position: fixed; width: 100%; top: 0; z-index: 1000; padding: 25px 0; border-bottom: 1px solid var(--border); backdrop-filter: blur(25px); }
.nav-inner { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 40px; }
.logo { display: flex; align-items: center; gap: 15px; }
.logo img { height: 40px; }
.sz-main { font-weight: 800; font-size: 1.2rem; letter-spacing: 2px; display: block; }
.sz-sub { font-size: 9px; color: var(--cyan); letter-spacing: 4px; }
.nav-links a { text-decoration: none; color: var(--text-dim); margin-left: 35px; font-size: 12px; font-weight: 700; text-transform: uppercase; transition: 0.3s; }
.nav-links a:hover { color: #fff; }
.nav-cta { border: 1px solid var(--cyan); padding: 8px 25px !important; color: var(--cyan) !important; font-size: 11px !important; }

/* --- HERO --- */
.hero { height: 100vh; display: flex; align-items: center; position: relative; }
.hero-wrap { max-width: 1400px; margin: 0 auto; padding: 0 40px; width: 100%; }
.hero-kicker { font-family: 'JetBrains Mono'; font-size: 11px; color: var(--cyan); letter-spacing: 5px; }
.hero-heading { font-size: 5.5rem; font-weight: 800; line-height: 1; letter-spacing: -3px; margin: 20px 0; }
.cyan-glow { color: var(--cyan); text-shadow: 0 0 30px rgba(0,242,255,0.4); }
.hero-sub { font-size: 1.3rem; color: var(--text-dim); max-width: 600px; margin-bottom: 40px; }

/* MISSION BUTTON */
.mission-btn { 
    position: relative; display: inline-block; padding: 20px 45px; border: 1px solid #fff; 
    text-decoration: none; color: #fff; font-weight: 800; font-size: 13px; letter-spacing: 2px; 
    transition: 0.4s; z-index: 1; overflow: hidden;
}
.mission-btn:hover { color: #000; box-shadow: 0 10px 40px rgba(255,255,255,0.1); border-color: transparent; }
.btn-hover-fx { 
    position: absolute; inset: 0; background: #fff; transform: translateY(100%); 
    transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1); z-index: -1; 
}
.mission-btn:hover .btn-hover-fx { transform: translateY(0); }

/* SCROLL INDICATOR */
.scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); text-align: center; }
.mouse { width: 25px; height: 40px; border: 2px solid var(--text-dim); border-radius: 15px; margin: 0 auto 10px; position: relative; }
.wheel { width: 3px; height: 8px; background: var(--cyan); position: absolute; left: 50%; top: 8px; transform: translateX(-50%); animation: scrollMouse 2s infinite; }
.scroll-indicator span { font-size: 9px; letter-spacing: 4px; color: var(--text-dim); }

/* --- WHY SHELLZERO --- */
.why-sz { padding: 150px 0; background: #080808; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.why-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; align-items: center; }
.image-frame { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--border); }
.vision-img { width: 100%; display: block; filter: brightness(0.8); }
.frame-overlay { position: absolute; inset: 0; background: linear-gradient(to top, #000, transparent); }
.sec-title { font-size: 3.5rem; font-weight: 800; margin-bottom: 30px; }
.cyan { color: var(--cyan); }
.p-story.lead { font-size: 1.8rem; color: #fff; font-weight: 700; margin-bottom: 30px; line-height: 1.3; }
.p-story { color: var(--text-dim); font-size: 1.1rem; margin-bottom: 25px; }
.manifesto-card { border-left: 3px solid var(--cyan); padding: 40px; background: rgba(0,242,255,0.03); margin: 40px 0; font-size: 1.4rem; font-style: italic; }

/* --- PILLARS --- */
.pillars { padding: 120px 0; }
.center-head { text-align: center; margin-bottom: 80px; }
.sub-head { font-family: 'JetBrains Mono'; color: var(--cyan); font-size: 11px; letter-spacing: 6px; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.pillar-card { background: var(--glass); border: 1px solid var(--border); padding: 60px 40px; border-radius: 30px; transition: 0.5s; position: relative; overflow: hidden; }
.pillar-card:hover { transform: translateY(-15px); border-color: var(--cyan); box-shadow: 0 20px 50px rgba(0,242,255,0.05); }
.p-icon { font-size: 3rem; color: var(--cyan); margin-bottom: 30px; }
.pillar-card h3 { font-size: 1.8rem; margin-bottom: 20px; }
.pillar-card p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 30px; }
.p-details { list-style: none; }
.p-details li { font-size: 0.85rem; color: #fff; margin-bottom: 12px; opacity: 0.8; }
.p-details i { color: var(--cyan); margin-right: 10px; font-size: 0.8rem; }

/* --- BOARD (CIRCULAR) --- */
.leadership { padding: 150px 0; background: #000; }
.board-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.director { text-align: center; }
.circle-wrap { width: 220px; height: 220px; border-radius: 50%; margin: 0 auto 30px; position: relative; padding: 12px; border: 1px solid var(--border); }
.circle-wrap img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; filter: grayscale(1); transition: 0.6s; }
.glow-ring { position: absolute; inset: 0; border: 1px solid var(--cyan); border-radius: 50%; opacity: 0; transition: 0.5s; transform: scale(1.1); }
.director:hover img { filter: grayscale(0); transform: scale(1.05); }
.director:hover .glow-ring { opacity: 0.6; transform: scale(1); }
.director h4 { font-size: 1.2rem; margin-bottom: 8px; }
.role { font-family: 'JetBrains Mono'; color: var(--cyan); font-size: 10px; letter-spacing: 2px; text-transform: uppercase; }

/* --- CONTACT --- */
.contact-box { background: #0a0a0a; border: 1px solid var(--border); padding: 100px 40px; border-radius: 40px; text-align: center; }
.link-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-top: 60px; }
.link { text-decoration: none; color: #fff; padding: 25px; border: 1px solid #1a1a1a; font-family: 'Orbitron'; font-size: 11px; font-weight: 700; transition: 0.3s; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.link i { font-size: 1.5rem; }
.wa:hover { border-color: #25d366; color: #25d366; }
.li:hover { border-color: #0a66c2; color: #0a66c2; }
.fb:hover { border-color: #1877f2; color: #1877f2; }
.em:hover { border-color: var(--cyan); color: var(--cyan); }

footer { padding: 80px 0; text-align: center; font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 4px; border-top: 1px solid #111; }

/* --- ANIMATIONS --- */
@keyframes fillBar { to { width: 100%; } }
@keyframes glowPulse { from { opacity: 0.4; } to { opacity: 1; } }
@keyframes scrollMouse { 0% { top: 8px; opacity: 1; } 100% { top: 25px; opacity: 0; } }

@media (max-width: 1024px) {
    .hero-heading { font-size: 3.5rem; }
    .why-grid, .pillar-grid, .board-grid, .link-grid { grid-template-columns: 1fr; }
}