/* ============================
   BYTESITE Dark Theme Styles
   ----------------------------
   How to read this file:
   - Variables: change colors in one place
   - Base: global typography and page background
   - Components: navbar, buttons, cards, sections, etc.
   - Utilities: helpers used across the site
   ============================ */

/* ---------- Theme Variables ---------- */
:root {
    /* Core palette */
    --bg: #0b0f14;              /* page background */
    --bg-soft: #0f141b;         /* section background */
    --card: #111720;            /* card background */
    --card-2: #0e141c;          /* alt card */
    --border: #1f2a37;          /* soft border */
    --muted: #9aa4b2;           /* secondary text */
    --text: #e6edf3;            /* primary text */
  
    /* Brand accent (orange) */
    --orange: #ff7a18;
    --orange-700: #fb6a00;
    --orange-300: #ffb86b;
  
    /* Other accents */
    --primary: #3b82f6;         /* blue */
    --success: #22c55e;         /* green */
    --info: #06b6d4;            /* cyan */
    --warning: #f59e0b;         /* yellow */
  
    /* Effects */
    --shadow: 0 10px 30px rgba(0,0,0,.35);
    --shadow-soft: 0 6px 20px rgba(0,0,0,.25);
    --blur: saturate(120%) blur(8px);
    --radius: 14px;
    --radius-sm: 10px;
  
    /* Layout */
    --section-pad-y: 5rem;
  }
  
  /* ---------- Base & Typography ---------- */
  html, body {
    height: 100%;
  }
  
  body {
    background: radial-gradient(1200px 600px at 20% -10%, rgba(255,122,24,0.10), transparent 40%),
                radial-gradient(900px 500px at 100% 10%, rgba(59,130,246,0.08), transparent 45%),
                var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    line-height: 1.6;
  }
  
  a { color: var(--text); }
  a:hover { color: #fff; }
  
  img { max-width: 100%; height: auto; }
  
  /* Smooth transitions for interactive elements */
  .btn, .card, .navbar, .nav-link, .accordion-button {
    transition: all .25s ease;
  }
  
  /* ---------- Navbar ---------- */
  .navbar {
    background: rgba(10, 14, 20, 0.6);
    backdrop-filter: var(--blur);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  
  .navbar .navbar-brand {
    letter-spacing: .5px;
  }
  
  .navbar .nav-link {
    color: var(--muted);
    margin: 0 .3rem;
  }
  .navbar .nav-link:hover,
  .navbar .nav-link.active {
    color: #fff;
  }
  
  /* Toggler better contrast */
  .navbar .navbar-toggler {
    background: rgba(255,255,255,.08);
  }
  
  /* ---------- Buttons ---------- */
  .btn-orange {
    background: linear-gradient(135deg, var(--orange), var(--orange-700));
    color: #111;
    border: none;
    box-shadow: 0 8px 20px rgba(251,106,0,.35);
  }
  .btn-orange:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
    color: #111;
  }
  
  .btn-outline-light {
    border-color: rgba(255,255,255,.25);
    color: var(--text);
  }
  .btn-outline-light:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.35);
    color: #fff;
  }
  
  /* ---------- Utilities ---------- */
  .text-orange { color: var(--orange) !important; }
  .text-light-gray { color: var(--muted) !important; }
  
  .bg-dark-card {
    background: linear-gradient(180deg, var(--card), var(--card-2));
    border-color: var(--border) !important;
    box-shadow: var(--shadow-soft);
  }
  .border-orange { border-color: rgba(255,122,24,.45) !important; }
  .border-secondary { border-color: var(--border) !important; }
  
  .bg-gradient-orange {
    background: linear-gradient(135deg, var(--orange-300), var(--orange));
  }
  .bg-gradient-primary {
    background: linear-gradient(135deg, #60a5fa, var(--primary));
  }
  .bg-gradient-success {
    background: linear-gradient(135deg, #86efac, var(--success));
  }
  .bg-gradient-warning {
    background: linear-gradient(135deg, #facc15, var(--warning));
  }
  
  /* Rounded */
  .rounded-3 { border-radius: var(--radius) !important; }
  .rounded-pill { border-radius: 999px !important; }
  
  /* ---------- Hero Section ---------- */
  /* Tip: This creates a full-screen hero with subtle gradients and an overlaid pattern */
  .hero-section {
    position: relative;
    padding-top: 6rem; /* room for fixed navbar */
    background:
      radial-gradient(1000px 600px at 80% 10%, rgba(59,130,246,.10), transparent 40%),
      radial-gradient(1200px 700px at 0% 70%, rgba(255,122,24,.10), transparent 45%);
    overflow: hidden;
  }
  
  .hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 40px 40px, 40px 40px;
    mask-image: radial-gradient(1000px 700px at 50% 10%, rgba(0,0,0,.8), transparent 70%);
    pointer-events: none;
  }
  
  /* Floating skill cards animation */
  .floating-cards .card {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
    box-shadow: var(--shadow-soft);
  }
  .floating-card-1 { animation: float1 7s ease-in-out infinite; }
  .floating-card-2 { animation: float2 8s ease-in-out infinite; }
  .floating-card-3 { animation: float1 9s ease-in-out infinite; }
  .floating-card-4 { animation: float2 10s ease-in-out infinite; }
  
  @keyframes float1 {
    0%,100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-8px) translateX(6px); }
  }
  @keyframes float2 {
    0%,100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-10px) translateX(-6px); }
  }
  
  /* ---------- Section Cards & Pillars ---------- */
  .pillar-card:hover,
  .program-card:hover,
  .pricing-card:hover,
  .contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
  }
  
  /* ---------- Outcomes ---------- */
  .outcome-item h5 { margin-bottom: .25rem; }
  
  /* ---------- Programs ---------- */
  .program-card .badge {
    opacity: .95;
  }
  
  /* ---------- How It Works ---------- */
  .step-number {
    box-shadow: 0 8px 20px rgba(0,0,0,.3);
  }
  
  /* ---------- Pricing ---------- */
  .pricing-card .popular-badge {
    box-shadow: 0 8px 20px rgba(255,122,24,.25);
  }
  
  /* ---------- FAQ (Accordion) ---------- */
  .accordion-dark .accordion-item {
    background: var(--card);
  }
  .accordion-dark .accordion-button {
    color: var(--text);
    background: var(--card);
    border-bottom: 1px solid var(--border);
  }
  .accordion-dark .accordion-button:not(.collapsed) {
    background: linear-gradient(180deg, rgba(255,255,255,.03), transparent);
    color: #fff;
  }
  .accordion-dark .accordion-button:focus {
    box-shadow: none;
    border-color: var(--border);
  }
  .accordion-dark .accordion-button::after {
    filter: invert(1) brightness(1.4);
    transform: rotate(0);
    transition: transform .2s ease;
  }
  .accordion-dark .accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
  }
  
  /* ---------- Forms ---------- */
  .form-control, .form-select {
    background: #0c121a !important;
    border: 1px solid var(--border) !important;
    color: var(--text) !important;
  }
  .form-control:focus, .form-select:focus {
    border-color: var(--orange) !important;
    box-shadow: 0 0 0 .25rem rgba(251,106,0,.15) !important;
  }
  
  /* ---------- Footer ---------- */
  .footer-section {
    background: rgba(255,255,255,.02);
  }
  
  /* ---------- Back To Top ---------- */
  .back-to-top {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    padding: .7rem .9rem;
    box-shadow: var(--shadow-soft);
  }
  .back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  /* ---------- Responsive tweaks ---------- */
  @media (max-width: 991.98px) {
    .hero-section { padding-top: 5.5rem; }
  }