/* ==========================================================================
   GLOBAL VARIABLES & CYBERPUNK GREEN THEME (DEFAULT FOR 5G LIVE)
   ========================================================================== */
:root, [data-theme="green"] {
  --bg-dark: #08090c;
  --bg-secondary: #0f1117;
  --card-bg: rgba(22, 27, 34, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --accent-color: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.35);
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --text-main: #ffffff;
  --text-muted: #9ba1b0;
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="blue"] {
  --accent-color: #0070f3;
  --accent-glow: rgba(0, 112, 243, 0.35);
  --accent-gradient: linear-gradient(135deg, #0070f3 0%, #00dfd8 100%);
}

[data-theme="red"] {
  --accent-color: #e50914;
  --accent-glow: rgba(229, 9, 20, 0.35);
  --accent-gradient: linear-gradient(135deg, #e50914 0%, #ff4b2b 100%);
}

[data-theme="gold"] {
  --accent-color: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.35);
  --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* LAYOUT UTILITIES */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.d-flex { display: flex !important; }
.justify-between { justify-content: space-between !important; }
.align-center { align-items: center !important; }

/* NAVBAR */
.navbar { 
  padding: 18px 0; 
  border-bottom: 1px solid var(--card-border); 
  background: rgba(8, 9, 12, 0.85);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-links { display: flex !important; align-items: center !important; gap: 24px !important; }
.nav-links a { color: var(--text-muted) !important; text-decoration: none !important; font-weight: 600 !important; font-size: 0.95rem !important; transition: var(--transition) !important; }
.nav-links a:hover { color: #ffffff !important; }

/* THEME PICKER DOTS */
.theme-picker { display: flex !important; align-items: center !important; gap: 8px !important; margin-left: 10px; }
.theme-dot { width: 18px; height: 18px; border-radius: 50%; cursor: pointer; border: 2px solid rgba(255, 255, 255, 0.2); transition: transform 0.2s ease, border-color 0.2s ease; }
.theme-dot:hover { transform: scale(1.2); border-color: #ffffff; }
.theme-dot.green { background: #10b981; }
.theme-dot.blue { background: #0070f3; }
.theme-dot.red { background: #e50914; }
.theme-dot.gold { background: #f59e0b; }

/* LOGO */
.logo { display: flex !important; align-items: center !important; gap: 12px !important; text-decoration: none !important; transition: var(--transition); }
.logo:hover { transform: translateY(-1px); }
.logo-icon { width: 38px !important; height: 38px !important; min-width: 38px !important; min-height: 38px !important; background: var(--accent-gradient); border-radius: 10px; display: flex !important; align-items: center !important; justify-content: center !important; box-shadow: 0 0 15px var(--accent-glow); border: 1px solid rgba(255, 255, 255, 0.2); flex-shrink: 0 !important; }
.logo-icon svg { width: 20px !important; height: 20px !important; fill: #ffffff !important; display: block !important; }
.logo-text-group { display: flex !important; flex-direction: column !important; line-height: 1.1; }
.brand-title { font-size: 1.4rem; font-weight: 900; color: #ffffff !important; letter-spacing: -0.5px; text-transform: uppercase; white-space: nowrap; }
.brand-title .highlight { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.brand-sub { font-size: 0.65rem; font-weight: 700; color: #9ba1b0 !important; letter-spacing: 1px; margin-top: 2px; white-space: nowrap; }

/* BUTTONS */
.btn-primary { background: var(--accent-gradient); color: #fff !important; padding: 12px 28px; border-radius: 8px; text-decoration: none; font-weight: 700; display: inline-flex !important; align-items: center; justify-content: center; border: none; cursor: pointer; box-shadow: 0 4px 20px var(--accent-glow); transition: var(--transition); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }
.btn-secondary { background: rgba(255, 255, 255, 0.05); color: #fff !important; border: 1px solid var(--card-border); padding: 12px 28px; border-radius: 8px; text-decoration: none; font-weight: 600; backdrop-filter: blur(10px); transition: var(--transition); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-2px); }

/* HERO */
.hero-gradient { position: relative; padding: 80px 0 60px; background: radial-gradient(circle at 50% -10%, var(--accent-glow) 0%, rgba(8, 9, 12, 1) 70%); }
.badge-live { display: inline-flex !important; align-items: center; gap: 10px; background: rgba(46, 160, 67, 0.1); color: #3fb950; border: 1px solid rgba(46, 160, 67, 0.3); padding: 6px 18px; border-radius: 30px; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 25px; }
.pulse-dot { width: 8px; height: 8px; background-color: #3fb950; border-radius: 50%; box-shadow: 0 0 0 rgba(63, 185, 80, 0.4); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(63, 185, 80, 0.8); } 70% { box-shadow: 0 0 0 12px rgba(63, 185, 80, 0); } 100% { box-shadow: 0 0 0 0 rgba(63, 185, 80, 0); } }
.hero-title { font-size: 3.5rem; line-height: 1.15; margin-bottom: 24px; font-weight: 900; letter-spacing: -1px; }
.gradient-text { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* STRIP & CARDS */
.device-strip { display: flex !important; flex-direction: row !important; justify-content: center !important; align-items: center !important; gap: 15px !important; flex-wrap: wrap !important; padding: 20px 0 !important; border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border); background: rgba(255, 255, 255, 0.015); }
.device-badge { display: inline-flex !important; align-items: center !important; gap: 8px !important; color: var(--text-muted); font-weight: 600; font-size: 0.9rem; background: var(--card-bg); padding: 8px 18px; border-radius: 30px; border: 1px solid var(--card-border); }
.app-hero-card { background: linear-gradient(145deg, rgba(22, 27, 34, 0.95) 0%, rgba(15, 17, 23, 0.98) 100%); border: 1px solid var(--card-border); border-radius: 24px; padding: 40px; box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6); backdrop-filter: blur(20px); }
.download-badge-grid { display: grid !important; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)) !important; gap: 16px !important; margin-top: 30px; }
.dl-button-card { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--card-border); padding: 18px 20px; border-radius: 14px; text-decoration: none; color: #fff !important; display: flex !important; align-items: center !important; gap: 15px !important; transition: var(--transition); }
.dl-button-card:hover { background: var(--accent-glow); border-color: var(--accent-color); transform: translateY(-3px); }
.dl-button-card .icon { font-size: 1.8rem; }
.dl-button-card .title { font-weight: 700; font-size: 1rem; display: block; }
.dl-button-card .sub { font-size: 0.8rem; color: var(--text-muted); }
.activate-box { background: var(--accent-glow); border: 1px dashed var(--accent-color); border-radius: 16px; padding: 24px; margin: 20px 0; text-align: center; }
.code-display { display: inline-block !important; background: var(--bg-dark); color: #fff; font-family: monospace; font-size: 1.8rem; font-weight: 800; padding: 8px 24px; border-radius: 8px; border: 1px solid var(--accent-color); letter-spacing: 2px; margin: 10px 0; }

/* TABS & PRICING */
.tab-container { display: flex !important; justify-content: center !important; gap: 12px !important; margin-bottom: 35px; flex-wrap: wrap !important; }
.tab-btn { background: var(--card-bg); border: 1px solid var(--card-border); color: var(--text-muted); padding: 12px 24px; border-radius: 30px; font-weight: 700; cursor: pointer; transition: var(--transition); }
.tab-btn.active, .tab-btn:hover { background: var(--accent-gradient); color: #fff; border-color: transparent; box-shadow: 0 4px 20px var(--accent-glow); }
.tab-content { display: none; }
.tab-content.active { display: grid !important; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important; gap: 20px !important; }
.showcase-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; padding: 24px; transition: var(--transition); }
.showcase-card:hover { transform: translateY(-5px); border-color: var(--accent-color); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.pricing-card { background: var(--card-bg); border: 1px solid var(--card-border); padding: 35px 25px; border-radius: 20px; backdrop-filter: blur(12px); transition: var(--transition); position: relative; text-align: center; display: flex !important; flex-direction: column !important; justify-content: space-between !important; }
.pricing-card.popular { border: 2px solid var(--accent-color); box-shadow: 0 0 35px var(--accent-glow); }
.pricing-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--accent-gradient); color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 0.75rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }

/* FAQ & FLOATING WA */
.faq-item { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; margin-bottom: 15px; overflow: hidden; }
.faq-question { padding: 20px; font-weight: 700; cursor: pointer; display: flex !important; justify-content: space-between !important; align-center: center !important; }
.faq-answer { padding: 0 20px 20px; color: var(--text-muted); display: none; font-size: 0.95rem; line-height: 1.6; border-top: 1px solid var(--card-border); padding-top: 15px; }
.float-wa { position: fixed; width: 60px; height: 60px; bottom: 30px; right: 30px; background-color: #25d366; color: #FFF !important; border-radius: 50px; font-size: 28px; box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4); z-index: 100; display: flex !important; align-items: center !important; justify-content: center !important; text-decoration: none; transition: var(--transition); }
.float-wa:hover { transform: scale(1.1); }

@media (max-width: 768px) {
  .hero-title { font-size: 2.3rem; }
  .navbar .container { flex-direction: column !important; gap: 15px; text-align: center; }
  .nav-links { flex-wrap: wrap; justify-content: center; gap: 15px !important; }
  .app-hero-card { padding: 20px 15px; }
  .device-strip { gap: 10px !important; }
}