/* ============================================
   TURNONLINE — PREMIUM DESIGN SYSTEM
   Light/Dark Mode + Gradient Themes
   ============================================ */

/* THEME VARIABLES — DARK (default) */
:root, [data-theme="dark"] {
  --bg-primary:#0a0a0f;--bg-secondary:#0e0e16;--bg-card:rgba(255,255,255,0.03);
  --bg-glass:rgba(255,255,255,0.05);--border-glass:rgba(255,255,255,0.08);
  --text-primary:#f0f0f5;--text-secondary:#9090a5;--text-muted:#606078;
  --accent-blue:#4a7cff;--accent-cyan:#00d4ff;--accent-purple:#7c4aff;
  --accent-teal:#00e5a0;--accent-violet:#b44aff;
  --glow-blue:rgba(74,124,255,0.3);--glow-cyan:rgba(0,212,255,0.3);
  --glow-purple:rgba(124,74,255,0.3);
  --gradient-1:linear-gradient(135deg,#4a7cff,#00d4ff);
  --gradient-2:linear-gradient(135deg,#7c4aff,#b44aff);
  --gradient-3:linear-gradient(135deg,#00d4ff,#00e5a0);
  --gradient-hero:linear-gradient(135deg,#4a7cff,#7c4aff,#00d4ff);
  --shadow-card:0 8px 32px rgba(0,0,0,0.3);
  --nav-bg:rgba(10,10,15,0.85);
  --form-bg:var(--bg-card);--form-focus-bg:var(--bg-primary);
  --code-bg:rgba(74,124,255,0.08);--code-border:rgba(74,124,255,0.2);
  --noise-opacity:0.03;
}

/* THEME — LIGHT */
[data-theme="light"] {
  --bg-primary:#f5f5fa;--bg-secondary:#eeeef4;--bg-card:rgba(0,0,0,0.03);
  --bg-glass:rgba(255,255,255,0.7);--border-glass:rgba(0,0,0,0.08);
  --text-primary:#1a1a2e;--text-secondary:#555570;--text-muted:#8888a0;
  --glow-blue:rgba(74,124,255,0.15);--glow-cyan:rgba(0,180,220,0.15);
  --glow-purple:rgba(124,74,255,0.15);
  --shadow-card:0 8px 32px rgba(0,0,0,0.08);
  --nav-bg:rgba(245,245,250,0.85);
  --form-bg:rgba(255,255,255,0.8);--form-focus-bg:#fff;
  --code-bg:rgba(74,124,255,0.05);--code-border:rgba(74,124,255,0.15);
  --noise-opacity:0.015;
}

/* GRADIENT THEMES */
[data-gradient="ocean"]{--accent-blue:#0077b6;--accent-cyan:#00b4d8;--accent-purple:#0096c7;--gradient-1:linear-gradient(135deg,#0077b6,#00b4d8);--gradient-2:linear-gradient(135deg,#0096c7,#48cae4);--gradient-hero:linear-gradient(135deg,#023e8a,#0077b6,#00b4d8)}
[data-gradient="sunset"]{--accent-blue:#f72585;--accent-cyan:#ff6b6b;--accent-purple:#7209b7;--gradient-1:linear-gradient(135deg,#f72585,#ff6b6b);--gradient-2:linear-gradient(135deg,#7209b7,#f72585);--gradient-hero:linear-gradient(135deg,#7209b7,#f72585,#ff6b6b)}
[data-gradient="emerald"]{--accent-blue:#06d6a0;--accent-cyan:#1b9aaa;--accent-purple:#118ab2;--gradient-1:linear-gradient(135deg,#06d6a0,#1b9aaa);--gradient-2:linear-gradient(135deg,#118ab2,#06d6a0);--gradient-hero:linear-gradient(135deg,#118ab2,#06d6a0,#1b9aaa)}
[data-gradient="aurora"]{--accent-blue:#6366f1;--accent-cyan:#a78bfa;--accent-purple:#c084fc;--gradient-1:linear-gradient(135deg,#6366f1,#a78bfa);--gradient-2:linear-gradient(135deg,#c084fc,#6366f1);--gradient-hero:linear-gradient(135deg,#4f46e5,#6366f1,#a78bfa)}
[data-gradient="cyber"]{--accent-blue:#00ff88;--accent-cyan:#00ffcc;--accent-purple:#00cc66;--gradient-1:linear-gradient(135deg,#00ff88,#00ffcc);--gradient-2:linear-gradient(135deg,#00cc66,#00ff88);--gradient-hero:linear-gradient(135deg,#00cc66,#00ff88,#00ffcc)}

/* UPDATE GLOW ON GRADIENT CHANGE */
[data-gradient="ocean"]{--glow-blue:rgba(0,119,182,0.3);--glow-cyan:rgba(0,180,216,0.3);--glow-purple:rgba(0,150,199,0.3)}
[data-gradient="sunset"]{--glow-blue:rgba(247,37,133,0.3);--glow-cyan:rgba(255,107,107,0.3);--glow-purple:rgba(114,9,183,0.3)}
[data-gradient="emerald"]{--glow-blue:rgba(6,214,160,0.3);--glow-cyan:rgba(27,154,170,0.3);--glow-purple:rgba(17,138,178,0.3)}
[data-gradient="aurora"]{--glow-blue:rgba(99,102,241,0.3);--glow-cyan:rgba(167,139,250,0.3);--glow-purple:rgba(192,132,252,0.3)}
[data-gradient="cyber"]{--glow-blue:rgba(0,255,136,0.25);--glow-cyan:rgba(0,255,204,0.25);--glow-purple:rgba(0,204,102,0.25)}

/* Recalculate scrollbar, selection on theme change */
[data-theme="light"] ::-webkit-scrollbar-thumb{background:var(--accent-blue)}
[data-theme="light"] ::selection{background:var(--accent-blue);color:#fff}

/* ============================================
   THEME SWITCHER PANEL
   ============================================ */
.theme-toggle-btn{position:fixed;bottom:2rem;right:2rem;z-index:999;width:48px;height:48px;border-radius:50%;background:var(--bg-glass);border:1px solid var(--border-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--text-primary);transition:all 0.3s ease;box-shadow:var(--shadow-card)}
.theme-toggle-btn:hover{transform:scale(1.1);border-color:var(--accent-blue);box-shadow:0 0 20px var(--glow-blue)}

.theme-panel{position:fixed;bottom:6rem;right:2rem;z-index:998;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:16px;padding:1.5rem;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);opacity:0;visibility:hidden;transform:translateY(10px) scale(0.95);transition:all 0.3s ease;min-width:220px;box-shadow:var(--shadow-card)}
.theme-panel.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.theme-panel h4{font-size:0.75rem;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-muted);margin-bottom:0.8rem}
.theme-panel-section{margin-bottom:1.2rem}
.theme-panel-section:last-child{margin-bottom:0}

.mode-toggle{display:flex;gap:0.5rem}
.mode-toggle button{flex:1;padding:0.5rem;border-radius:8px;border:1px solid var(--border-glass);background:transparent;color:var(--text-secondary);font-size:0.8rem;font-family:var(--font-sans);cursor:pointer;transition:all 0.3s ease;display:flex;align-items:center;justify-content:center;gap:0.4rem}
.mode-toggle button.active{background:var(--gradient-1);color:#fff;border-color:transparent}
.mode-toggle button:hover:not(.active){border-color:var(--accent-blue)}

.gradient-options{display:grid;grid-template-columns:repeat(5,1fr);gap:0.5rem}
.gradient-swatch{width:32px;height:32px;border-radius:8px;cursor:pointer;border:2px solid transparent;transition:all 0.3s ease;position:relative}
.gradient-swatch:hover,.gradient-swatch.active{transform:scale(1.15);border-color:var(--text-primary)}
.gradient-swatch.active::after{content:'✓';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:0.7rem;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,0.5)}
.gradient-swatch[data-g="default"]{background:linear-gradient(135deg,#4a7cff,#00d4ff)}
.gradient-swatch[data-g="ocean"]{background:linear-gradient(135deg,#0077b6,#00b4d8)}
.gradient-swatch[data-g="sunset"]{background:linear-gradient(135deg,#f72585,#ff6b6b)}
.gradient-swatch[data-g="emerald"]{background:linear-gradient(135deg,#06d6a0,#1b9aaa)}
.gradient-swatch[data-g="aurora"]{background:linear-gradient(135deg,#6366f1,#a78bfa)}
.gradient-swatch[data-g="cyber"]{background:linear-gradient(135deg,#00ff88,#00ffcc)}

/* ============================================
   ENHANCED GLOBAL STYLES
   ============================================ */

/* Noise texture overlay */
body::before{content:'';position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:var(--noise-opacity);background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");mix-blend-mode:overlay}

/* Animated gradient background accent */
body::after{content:'';position:fixed;top:-50%;left:-50%;width:200%;height:200%;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 20% 50%,var(--glow-blue),transparent 50%),radial-gradient(ellipse at 80% 20%,var(--glow-purple),transparent 50%),radial-gradient(ellipse at 50% 80%,var(--glow-cyan),transparent 50%);opacity:0.3;animation:bgShift 20s ease-in-out infinite}
@keyframes bgShift{0%,100%{transform:translate(0,0) rotate(0deg)}33%{transform:translate(2%,-2%) rotate(1deg)}66%{transform:translate(-1%,1%) rotate(-1deg)}}

/* Section dividers */
.section-divider{width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent-blue),var(--accent-purple),transparent);opacity:0.3;margin:0}

/* Enhanced card hover glow */
.glow-border{position:relative;overflow:hidden}
.glow-border::before{content:'';position:absolute;inset:-2px;background:conic-gradient(from var(--angle,0deg),transparent 30%,var(--accent-blue),var(--accent-purple),transparent 70%);opacity:0;transition:opacity 0.5s ease;border-radius:inherit;z-index:-1}
.glow-border:hover::before{opacity:1;animation:rotateBorder 3s linear infinite}
@keyframes rotateBorder{to{--angle:360deg}}
@property --angle{syntax:'<angle>';initial-value:0deg;inherits:false}

/* Code-style labels */
.code-label{font-family:'JetBrains Mono','Fira Code',monospace;font-size:0.7rem;padding:0.2rem 0.6rem;border-radius:4px;background:var(--code-bg);border:1px solid var(--code-border);color:var(--accent-blue);letter-spacing:0.05em}

/* Animated gradient text utility */
.gradient-text{background:var(--gradient-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-size:200% auto;animation:gradientShift 4s ease infinite}

/* Floating badge */
.floating-badge{display:inline-flex;align-items:center;gap:0.5rem;padding:0.5rem 1.2rem;border-radius:100px;background:var(--bg-glass);border:1px solid var(--border-glass);font-size:0.8rem;color:var(--text-secondary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;overflow:hidden}
.floating-badge::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.05),transparent);animation:shimmer 3s infinite}
@keyframes shimmer{to{left:100%}}

/* Status dot */
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-teal);animation:statusPulse 2s ease-in-out infinite;box-shadow:0 0 8px var(--accent-teal)}
@keyframes statusPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(0.8)}}

/* Industries grid (new section) */
.industries{position:relative}
.industries-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;margin-top:3rem}
.industry-card{padding:1.5rem;border-radius:16px;background:var(--bg-glass);border:1px solid var(--border-glass);text-align:center;transition:all 0.4s ease;cursor:pointer;position:relative;overflow:hidden}
.industry-card:hover{background:var(--bg-card);border-color:var(--accent-blue);transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,0.2)}
.industry-card:hover .industry-icon{transform:scale(1.2)}
.industry-icon{font-size:2rem;margin-bottom:0.6rem;transition:transform 0.4s ease;display:block}
.industry-card h4{font-size:0.85rem;font-weight:500}

/* Floating contact CTA */
.floating-cta{position:fixed;bottom:2rem;left:2rem;z-index:997;display:flex;align-items:center;gap:0.6rem;padding:0.7rem 1.4rem;border-radius:100px;background:var(--gradient-1);color:#fff;font-size:0.85rem;font-weight:600;cursor:pointer;border:none;box-shadow:0 8px 30px var(--glow-blue);transition:all 0.3s ease;text-decoration:none}
.floating-cta:hover{transform:translateY(-3px);box-shadow:0 12px 40px var(--glow-blue)}
.floating-cta .pulse-ring{width:8px;height:8px;border-radius:50%;background:#fff;position:relative}
.floating-cta .pulse-ring::before{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(255,255,255,0.5);animation:pulseRing 2s infinite}
@keyframes pulseRing{0%{transform:scale(1);opacity:1}100%{transform:scale(2.5);opacity:0}}

/* Back to top */
.back-to-top{position:fixed;bottom:2rem;right:5.5rem;z-index:997;width:40px;height:40px;border-radius:50%;background:var(--bg-glass);border:1px solid var(--border-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--text-secondary);opacity:0;visibility:hidden;transform:translateY(10px);transition:all 0.3s ease}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{border-color:var(--accent-blue);color:var(--text-primary);transform:translateY(-3px)}

/* Footer status */
.footer-status{display:inline-flex;align-items:center;gap:0.5rem;font-size:0.8rem;color:var(--accent-teal);margin-top:1rem}
.footer-status .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-teal);box-shadow:0 0 8px var(--accent-teal)}

/* Enhanced service card number */
.service-num{font-family:'JetBrains Mono',monospace;font-size:0.65rem;color:var(--text-muted);letter-spacing:0.1em;margin-bottom:0.8rem;display:block}

/* Process step enhanced */
.process-step-phase{font-size:0.6rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--accent-cyan);margin-top:0.4rem}

/* Testimonial enhanced */
.testimonial-quote-mark{font-size:3rem;line-height:1;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:0.5rem;display:block}

/* ============================================
   RESPONSIVE OVERRIDES
   ============================================ */
@media(max-width:1024px){
  .industries-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .theme-toggle-btn{bottom:1.2rem;right:1.2rem;width:42px;height:42px}
  .theme-panel{bottom:4.5rem;right:1.2rem;min-width:200px;padding:1.2rem}
  .floating-cta{bottom:1.2rem;left:1.2rem;padding:0.6rem 1rem;font-size:0.8rem}
  .back-to-top{bottom:1.2rem;right:4.5rem;width:36px;height:36px}
  .industries-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .industries-grid{grid-template-columns:repeat(2,1fr)}
}