/* ============================================
   BYTENOTECHH — Theme System (Pro Redesign)
   Anchored on Brand Logo: Royal Blue (#1B0B9E), Electric Cyan (#00A6FF), Radiant Gold (#FFD700)
   ============================================ */

/* === Dark Theme (Default) === */
[data-theme="dark"] {
  --bg-primary: #040614;
  --bg-secondary: #070B24;
  --bg-tertiary: #0D1438;
  --bg-elevated: #121B4A;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-strong: rgba(255, 255, 255, 0.06);
  --bg-glass-border: rgba(0, 166, 255, 0.08);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  --text-inverse: #040614;
  --text-muted: #475569;

  --border-color: rgba(0, 166, 255, 0.16);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);

  --card-bg: rgba(7, 11, 36, 0.72);
  --card-bg-solid: #0A1033;
  --card-border: rgba(0, 166, 255, 0.12);
  --card-hover-bg: rgba(11, 19, 56, 0.88);
  --card-hover-border: rgba(0, 166, 255, 0.36);

  --nav-bg: rgba(4, 6, 20, 0.78);
  --nav-bg-scroll: rgba(4, 6, 20, 0.95);

  --input-bg: rgba(255, 255, 255, 0.04);
  --input-border: rgba(0, 166, 255, 0.16);
  --input-focus: rgba(0, 166, 255, 0.35);
  --input-hover-bg: rgba(255, 255, 255, 0.06);

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 166, 255, 0.06);
  --shadow-card-hover: 0 12px 48px rgba(0, 166, 255, 0.16), 0 0 0 1px rgba(0, 166, 255, 0.28);

  --overlay: rgba(0, 0, 0, 0.75);
  --code-bg: rgba(0, 166, 255, 0.08);
  --scrollbar-thumb: #111C4D;
  --scrollbar-track: #040614;

  /* Modal tokens */
  --modal-bg: linear-gradient(145deg, rgba(13, 20, 56, 0.98), rgba(7, 11, 34, 0.99));
  --modal-border: rgba(0, 166, 255, 0.28);
  --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px rgba(0, 166, 255, 0.25);
  --modal-overlay: rgba(3, 5, 18, 0.82);
  --modal-card-bg: rgba(255, 255, 255, 0.03);
  --modal-card-border: rgba(0, 166, 255, 0.12);
  --modal-card-hover: rgba(0, 166, 255, 0.12);
  --modal-input-bg: rgba(255, 255, 255, 0.04);
  --modal-input-border: rgba(0, 166, 255, 0.18);
  --modal-input-color: #ffffff;

  /* Noise overlay */
  --noise-opacity: 0.025;
}

/* === Light Theme === */
[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-tertiary: #E2E8F0;
  --bg-elevated: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --bg-glass-strong: rgba(255, 255, 255, 0.95);
  --bg-glass-border: rgba(27, 11, 158, 0.08);

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-tertiary: #64748B;
  --text-inverse: #F8FAFC;
  --text-muted: #94A3B8;

  --border-color: rgba(27, 11, 158, 0.14);
  --border-light: rgba(0, 0, 0, 0.06);
  --border-subtle: rgba(0, 0, 0, 0.03);

  --card-bg: rgba(255, 255, 255, 0.92);
  --card-bg-solid: #FFFFFF;
  --card-border: rgba(27, 11, 158, 0.08);
  --card-hover-bg: #FFFFFF;
  --card-hover-border: rgba(0, 166, 255, 0.35);

  --nav-bg: rgba(248, 250, 252, 0.82);
  --nav-bg-scroll: rgba(248, 250, 252, 0.96);

  --input-bg: rgba(27, 11, 158, 0.03);
  --input-border: rgba(27, 11, 158, 0.14);
  --input-focus: rgba(0, 166, 255, 0.25);
  --input-hover-bg: rgba(27, 11, 158, 0.05);

  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(27, 11, 158, 0.05);
  --shadow-card-hover: 0 8px 32px rgba(0, 166, 255, 0.14), 0 0 0 1px rgba(0, 166, 255, 0.2);
  --shadow-glow-primary: 0 2px 10px rgba(0, 166, 255, 0.18);
  --shadow-glow-secondary: 0 2px 10px rgba(255, 215, 0, 0.18);
  --shadow-glow-intense: 0 3px 14px rgba(0, 166, 255, 0.25);

  --overlay: rgba(0, 0, 0, 0.45);
  --code-bg: rgba(0, 166, 255, 0.06);
  --scrollbar-thumb: #CBD5E1;
  --scrollbar-track: #F1F5F9;

  /* Modal tokens */
  --modal-bg: #FFFFFF;
  --modal-border: rgba(27, 11, 158, 0.16);
  --modal-shadow: 0 25px 60px -12px rgba(27, 11, 158, 0.18), 0 0 25px rgba(0, 166, 255, 0.1);
  --modal-overlay: rgba(7, 11, 34, 0.5);
  --modal-card-bg: #FFFFFF;
  --modal-card-border: rgba(27, 11, 158, 0.12);
  --modal-card-hover: rgba(0, 166, 255, 0.06);
  --modal-input-bg: rgba(27, 11, 158, 0.03);
  --modal-input-border: rgba(27, 11, 158, 0.16);
  --modal-input-color: #0F172A;

  --noise-opacity: 0.012;

  /* Light theme gradient overrides */
  --gradient-hero: linear-gradient(160deg, #F8FAFC 0%, #F1F5F9 50%, #F8FAFC 100%);
  --gradient-text: linear-gradient(135deg, #1B0B9E, #0077CC, #B38600);
  --gradient-text-vivid: linear-gradient(135deg, #1B0B9E, #0088FF, #D99B00);
  --gradient-mesh: radial-gradient(at 15% 85%, rgba(27, 11, 158, 0.08) 0%, transparent 50%),
                   radial-gradient(at 85% 15%, rgba(0, 166, 255, 0.08) 0%, transparent 50%),
                   radial-gradient(at 50% 50%, rgba(255, 215, 0, 0.03) 0%, transparent 50%);
}

/* === Light Theme Professional Refinements (Crisp & Clean) === */
[data-theme="light"] .btn-primary {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 3px 12px rgba(27, 11, 158, 0.25);
}

[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1), 0 6px 20px rgba(0, 166, 255, 0.32);
}

[data-theme="light"] .btn-secondary {
  border-color: rgba(27, 11, 158, 0.2);
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-primary);
}

[data-theme="light"] .btn-secondary:hover {
  border-color: var(--primary-500);
  background: rgba(0, 166, 255, 0.06);
  box-shadow: 0 2px 10px rgba(0, 166, 255, 0.14);
}

[data-theme="light"] .cta-v2-actions .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
}

[data-theme="light"] .cta-v2-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--accent-gold, #FFD700);
  color: #FFFFFF;
}

[data-theme="light"] .hero-badge {
  background: rgba(0, 166, 255, 0.08);
  border-color: rgba(0, 166, 255, 0.22);
  color: var(--primary-700);
}

[data-theme="light"] .hero-float-card {
  background: #FFFFFF;
  border-color: rgba(27, 11, 158, 0.16);
  box-shadow: 0 4px 16px rgba(27, 11, 158, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
}

[data-theme="light"] .hero-float-card:hover {
  box-shadow: 0 6px 20px rgba(0, 166, 255, 0.18);
  border-color: var(--accent-cyan);
}

[data-theme="light"] .hero-orbit-ring {
  border-color: rgba(27, 11, 158, 0.18);
  box-shadow: 0 0 25px rgba(27, 11, 158, 0.05), inset 0 0 25px rgba(27, 11, 158, 0.03);
}

/* === Theme Transition — only on bg/color/border, not all properties === */
body,
.navbar,
.card,
.glass-card,
.contact-form,
.faq-item,
.faq-question,
.pricing-card,
.portfolio-card,
.blog-card,
.testimonial-card,
.overview-stat-card,
.industry-card,
.culture-card,
.cert-item,
.tech-badge,
.social-link,
.testimonial-btn,
.footer,
.scroll-top,
.btn,
.form-input,
.form-textarea,
.newsletter-form input,
.newsletter-form button,
.cm-dialog,
.cm-service-chip,
.cm-input,
.cm-textarea,
.cm-phone-prefix {
  transition: background-color var(--duration-normal) var(--ease-out),
              color var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}