:root {
    --ig-orange: #f09433;
    --ig-red: #e6683c;
    --ig-magenta: #dc2743;
    --ig-purple: #cc2366;
    --ig-blue: #bc1888;
    --bg-dark: #0f1115;
    --bg-panel: #1a1c23;
    --bg-card: #22252e;
    --text-main: #f8f9fa;
    --text-muted: #a0a5b1;
    --accent-blue: #4d7cff;
    --accent-glow: 0 0 25px rgba(77, 124, 255, 0.4);
    --border: #2a2e39;
    --gradient: linear-gradient(135deg, #4d7cff, #a64dff);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background: var(--bg-dark); color: var(--text-main); line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* Tech Nav */
.nav { background: rgba(15, 17, 21, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); padding: 0 5%; height: 72px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; }
.nav-brand { font-size: 22px; font-weight: 800; display: flex; align-items: center; gap: 10px; letter-spacing: 0.5px; }
.nav-brand::before { content: '</>'; font-size: 16px; color: var(--accent-blue); font-family: monospace; font-weight: bold; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.nav-links a:hover, .nav-links a.active { color: var(--text-main); text-shadow: 0 0 8px rgba(255,255,255,0.3); }
.nav-btn { background: rgba(77, 124, 255, 0.1); border: 1px solid var(--accent-blue); color: var(--accent-blue) !important; padding: 8px 20px; border-radius: 6px; }
.nav-btn:hover { background: var(--accent-blue); color: white !important; box-shadow: var(--accent-glow); }

/* Tech Hero Background */
.hero { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 100px 20px 80px; min-height: 80vh; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at 50% 0%, rgba(77, 124, 255, 0.15) 0%, transparent 60%); z-index: -1; }
.hero-tag { display: inline-block; padding: 6px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 30px; font-size: 12px; font-weight: 600; color: var(--accent-blue); margin-bottom: 30px; letter-spacing: 2px; }
.hero h1 { font-size: 56px; font-weight: 800; line-height: 1.2; margin-bottom: 25px; letter-spacing: -1px; }
.hero h1 span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 18px; color: var(--text-muted); max-width: 650px; margin: 0 auto 40px; font-weight: 400; line-height: 1.8; }
.btn-group { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.btn { padding: 16px 32px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; border: none; transition: 0.3s; letter-spacing: 0.5px; }
.btn-primary { background: var(--gradient); color: white; box-shadow: var(--accent-glow); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(166, 77, 255, 0.4); }
.btn-secondary { background: var(--bg-panel); color: var(--text-main); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-card); border-color: var(--accent-blue); }

/* Data Panels */
.stats { display: flex; justify-content: center; gap: 30px; padding: 0 20px 80px; flex-wrap: wrap; margin-top: -40px; position: relative; z-index: 10; }
.stat-box { background: var(--bg-panel); border: 1px solid var(--border); padding: 30px; border-radius: 12px; text-align: center; min-width: 220px; box-shadow: 0 15px 30px rgba(0,0,0,0.2); }
.stat-box h3 { font-size: 32px; font-weight: 700; color: var(--text-main); margin-bottom: 5px; font-family: monospace; }
.stat-box p { font-size: 13px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px 80px; }
.section-title { font-size: 36px; font-weight: 800; text-align: center; margin-bottom: 60px; letter-spacing: -0.5px; }
.section-title span { color: var(--accent-blue); }

/* Glass Panel About */
.about-box { background: var(--bg-panel); border-radius: 16px; padding: 50px; text-align: center; border: 1px solid var(--border); margin-bottom: 80px; position: relative; overflow: hidden; }
.about-box::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--gradient); }
.about-box p { font-size: 16px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.8; }
.about-box p:last-child { margin-bottom: 0; }

/* Tech Grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-bottom: 80px; }
.card { background: var(--bg-panel); border-radius: 12px; padding: 40px 30px; border: 1px solid var(--border); transition: 0.3s; }
.card:hover { transform: translateY(-5px); border-color: var(--accent-blue); box-shadow: var(--accent-glow); background: var(--bg-card); }
.card-icon { font-size: 24px; color: var(--accent-blue); margin-bottom: 20px; display: inline-block; padding: 15px; background: rgba(77, 124, 255, 0.1); border-radius: 12px; font-family: monospace; }
.card h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--text-main); }
.card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* Image Display */
.showcase-img { width: 100%; border-radius: 16px; border: 1px solid var(--border); margin-bottom: 80px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); display: block; opacity: 0.9; transition: 0.4s; }
.showcase-img:hover { opacity: 1; border-color: var(--accent-blue); }

/* Code-like Steps */
.list-wrapper { max-width: 800px; margin: 0 auto 80px; background: #0d0f12; border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.list-item { padding: 25px; border-bottom: 1px dashed var(--border); }
.list-item:last-child { border-bottom: none; }
.list-num { font-family: monospace; color: var(--accent-blue); font-size: 14px; margin-bottom: 10px; display: block; }
.list-text h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text-main); }
.list-text p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* Footer */
.footer { background: var(--bg-panel); border-top: 1px solid var(--border); padding: 50px 20px; text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 30px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
.footer-links a:hover { color: var(--accent-blue); }
.footer p { color: #666; font-size: 12px; font-family: monospace; }