/* ── ROBOVANCE TECHNOLOGIES — SHARED STYLES ── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Syne:wght@300;400;500;600&family=JetBrains+Mono:wght@300;400&display=swap');

:root {
  --neon-blue: #00d4ff;
  --electric-purple: #b400ff;
  --cyber-green: #00ff9d;
  --deep-navy: #020818;
  --navy: #060f2e;
  --glass: rgba(0, 212, 255, 0.04);
  --glass-border: rgba(0, 212, 255, 0.15);
  --text-primary: #e8f4ff;
  --text-secondary: rgba(200, 230, 255, 0.6);
  --glow-blue: 0 0 20px rgba(0,212,255,0.4), 0 0 60px rgba(0,212,255,0.15);
  --glow-purple: 0 0 20px rgba(180,0,255,0.4), 0 0 60px rgba(180,0,255,0.15);
  --glow-green: 0 0 20px rgba(0,255,157,0.4);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--deep-navy);
  color: var(--text-primary);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
  cursor: none;
}

/* CURSOR */
.cursor { position: fixed; width: 12px; height: 12px; background: var(--neon-blue); border-radius: 50%; pointer-events: none; z-index: 9999; transform: translate(-50%,-50%); box-shadow: var(--glow-blue); }
.cursor-ring { position: fixed; width: 36px; height: 36px; border: 1px solid rgba(0,212,255,0.5); border-radius: 50%; pointer-events: none; z-index: 9998; transform: translate(-50%,-50%); transition: transform 0.15s ease, width 0.2s, height 0.2s, border-color 0.2s; }

/* CIRCUIT BG */
.circuit-bg { position: fixed; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:0; background-image: linear-gradient(rgba(0,212,255,0.03) 1px,transparent 1px), linear-gradient(90deg,rgba(0,212,255,0.03) 1px,transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%); }
#particles { position: fixed; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:0; }

/* NAV */
nav { position: fixed; top:0; left:0; right:0; z-index:100; padding: 18px 60px; display: flex; align-items: center; justify-content: space-between; background: rgba(2,8,24,0.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border); }
.nav-logo { font-family: 'Orbitron', sans-serif; font-size: 1.1rem; font-weight: 900; letter-spacing: 0.12em; text-decoration: none; display: flex; flex-direction: column; gap: 1px; }
.nav-logo-main { background: linear-gradient(90deg, var(--neon-blue), var(--electric-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-logo-sub { font-size: 0.45rem; letter-spacing: 0.18em; color: var(--text-secondary); -webkit-text-fill-color: var(--text-secondary); font-weight: 400; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 400; color: var(--text-secondary); text-decoration: none; letter-spacing: 0.1em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--neon-blue); }
.nav-cta { padding: 10px 22px; background: transparent; border: 1px solid var(--neon-blue); color: var(--neon-blue); font-family: 'Orbitron', sans-serif; font-size: 0.65rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; cursor: none; text-decoration: none; transition: all 0.3s; clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%); }
.nav-cta:hover { background: var(--neon-blue); color: var(--deep-navy); box-shadow: var(--glow-blue); }

/* HAMBURGER */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: none; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--neon-blue); transition: all 0.3s; }
.mobile-menu { display: none; position: fixed; top: 60px; left: 0; right: 0; background: rgba(2,8,24,0.98); backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border); padding: 20px 28px; z-index: 99; flex-direction: column; gap: 16px; }
.mobile-menu a { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--text-secondary); text-decoration: none; letter-spacing: 0.1em; text-transform: uppercase; padding: 10px 0; border-bottom: 1px solid var(--glass-border); }
.mobile-menu.open { display: flex; }

/* PAGE HERO */
.page-hero { padding: 140px 60px 80px; text-align: center; position: relative; z-index: 1; }
.page-hero .section-tag { justify-content: center; }
.page-hero h1 { font-family: 'Orbitron', sans-serif; font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 900; letter-spacing: 0.02em; margin-bottom: 20px; }
.page-hero h1 span { background: linear-gradient(90deg, var(--neon-blue), var(--electric-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero p { color: var(--text-secondary); max-width: 560px; margin: 0 auto; line-height: 1.8; font-size: 1rem; }

/* SECTION TAGS & HEADERS */
.section-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--neon-blue); letter-spacing: 0.2em; text-transform: uppercase; display: flex; align-items: center; gap: 12px; margin-bottom: 16px; justify-content: center; }
.section-tag::before, .section-tag::after { content: ''; flex: 1; max-width: 40px; height: 1px; background: linear-gradient(90deg, transparent, var(--neon-blue)); }
.section-tag::after { background: linear-gradient(90deg, var(--neon-blue), transparent); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-family: 'Orbitron', sans-serif; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); max-width: 540px; margin: 0 auto; line-height: 1.8; }

/* BUTTONS */
.btn-primary { padding: 14px 32px; background: linear-gradient(135deg, var(--neon-blue), var(--electric-purple)); color: #fff; border: none; font-family: 'Orbitron', sans-serif; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; cursor: none; text-decoration: none; clip-path: polygon(12px 0%,100% 0%,calc(100% - 12px) 100%,0% 100%); transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px; position: relative; overflow: hidden; }
.btn-primary::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.15); transform: translateX(-100%) skewX(-20deg); transition: transform 0.4s; }
.btn-primary:hover::after { transform: translateX(200%) skewX(-20deg); }
.btn-primary:hover { box-shadow: var(--glow-blue); transform: translateY(-2px); }
.btn-secondary { padding: 14px 32px; background: transparent; border: 1px solid rgba(180,0,255,0.5); color: var(--text-primary); font-family: 'Orbitron', sans-serif; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; cursor: none; text-decoration: none; clip-path: polygon(12px 0%,100% 0%,calc(100% - 12px) 100%,0% 100%); transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px; }
.btn-secondary:hover { border-color: var(--electric-purple); color: var(--electric-purple); box-shadow: var(--glow-purple); transform: translateY(-2px); }
.btn-outline { padding: 12px 28px; background: transparent; border: 1px solid var(--glass-border); color: var(--text-secondary); font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; cursor: none; text-decoration: none; transition: all 0.3s; clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%); display: inline-flex; align-items: center; gap: 8px; }
.btn-outline:hover { border-color: var(--neon-blue); color: var(--neon-blue); }

/* GLASS CARD */
.glass-card { background: var(--glass); border: 1px solid var(--glass-border); transition: all 0.3s; }
.glass-card:hover { border-color: rgba(0,212,255,0.35); }

/* FORM ELEMENTS */
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--neon-blue); letter-spacing: 0.12em; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(0,212,255,0.04); border: 1px solid var(--glass-border);
  color: var(--text-primary); padding: 14px 16px;
  font-family: 'Syne', sans-serif; font-size: 0.88rem;
  outline: none; transition: border-color 0.3s, box-shadow 0.3s;
  width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--neon-blue); box-shadow: 0 0 0 2px rgba(0,212,255,0.1); }
.form-group select option { background: var(--navy); color: var(--text-primary); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* FOOTER */
footer { padding: 64px 60px 36px; background: rgba(2,8,24,0.97); border-top: 1px solid var(--glass-border); position: relative; z-index: 1; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 52px; margin-bottom: 48px; }
.footer-logo-wrap { display: flex; flex-direction: column; gap: 14px; }
.footer-logo-main { font-family: 'Orbitron', sans-serif; font-size: 1.1rem; font-weight: 900; letter-spacing: 0.12em; background: linear-gradient(90deg, var(--neon-blue), var(--electric-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.footer-logo-sub { font-family: 'JetBrains Mono', monospace; font-size: 0.6rem; letter-spacing: 0.2em; color: var(--text-secondary); text-transform: uppercase; }
.footer-desc { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.8; max-width: 260px; }
.social-links { display: flex; gap: 10px; margin-top: 4px; }
.social-link { width: 34px; height: 34px; border: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; color: var(--text-secondary); text-decoration: none; transition: all 0.3s; }
.social-link:hover { border-color: var(--neon-blue); color: var(--neon-blue); box-shadow: var(--glow-blue); }
.footer-col h5 { font-family: 'Orbitron', sans-serif; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.18em; color: var(--neon-blue); margin-bottom: 18px; text-transform: uppercase; }
.footer-links { display: flex; flex-direction: column; gap: 10px; list-style: none; }
.footer-links a { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-copy { font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; color: var(--text-secondary); letter-spacing: 0.06em; }
.cert-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.cert-badge { padding: 4px 10px; border: 1px solid rgba(0,255,157,0.2); background: rgba(0,255,157,0.04); font-family: 'JetBrains Mono', monospace; font-size: 0.58rem; color: var(--cyber-green); letter-spacing: 0.08em; }

/* BACK TO TOP */
.back-home { display: inline-flex; align-items: center; gap: 8px; font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--neon-blue); text-decoration: none; letter-spacing: 0.1em; transition: opacity 0.2s; margin-bottom: 24px; }
.back-home:hover { opacity: 0.7; }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .page-hero { padding: 100px 20px 60px; }
  .section-header { margin-bottom: 40px; }
  footer { padding: 48px 20px 28px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}