/* =============================================
   MASSIVE DYNAMICS — style.css
   Dark futuristic theme · Flexbox responsive
   ============================================= */

/* --- Variables --- */
:root {
    --bg:          #06060f;
    --bg-card:     #0d0d1f;
    --bg-glass:    rgba(255, 255, 255, 0.04);
    --border:      rgba(255, 255, 255, 0.08);
    --cyan:        #00f5ff;
    --violet:      #7c3aed;
    --cyan-dim:    rgba(0, 245, 255, 0.15);
    --text:        #e2e8f0;
    --text-muted:  #64748b;
    --font:        'Space Grotesk', sans-serif;
    --radius:      12px;
    --nav-h:       64px;
  }
  
  /* --- Reset --- */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    min-height: 100vh;
  }
  a { color: var(--cyan); text-decoration: none; }
  a:hover { opacity: 0.8; }
  ul { list-style: none; }
  img { max-width: 100%; }
  
  /* --- Grid background --- */
  .grid-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image:
      linear-gradient(rgba(0,245,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,245,255,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
  }
  body > * { position: relative; z-index: 1; }
  
  /* =============================================
     NAVBAR
     ============================================= */
  header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 6, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: var(--nav-h);
  }
  
  .navbar {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .logo {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .logo-icon  { color: var(--cyan); font-size: 1.4rem; }
  .logo-accent { color: var(--cyan); }
  
  .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
  }
  .nav-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--text); }
  
  .btn-nav {
    color: var(--cyan) !important;
    border: 1px solid var(--cyan);
    padding: 6px 16px;
    border-radius: 6px;
    transition: background 0.2s !important;
  }
  .btn-nav:hover { background: var(--cyan-dim) !important; }
  
  /* Hamburger (mobile) */
  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
  }
  .nav-toggle span {
    width: 24px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
  }
  
  /* =============================================
     BUTTONS
     ============================================= */
  .btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    color: #fff;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.95rem;
    transition: opacity 0.2s, transform 0.2s;
  }
  .btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
  
  .btn-ghost {
    display: inline-block;
    color: var(--cyan);
    border: 1px solid var(--cyan);
    padding: 11px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.2s;
  }
  .btn-ghost:hover { background: var(--cyan-dim); }
  
  /* =============================================
     MAIN & SECTIONS
     ============================================= */
  main { min-height: calc(100vh - var(--nav-h) - 160px); }
  
  section { padding: 80px 24px; max-width: 1200px; margin: 0 auto; }
  
  .gradient-text {
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  /* =============================================
     HERO
     ============================================= */
  .hero {
    padding-top: 100px;
    padding-bottom: 80px;
    text-align: center;
  }
  
  .hero-tag {
    display: inline-block;
    background: var(--cyan-dim);
    border: 1px solid rgba(0,245,255,0.3);
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 28px;
  }
  
  .hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
  }
  
  .hero-sub {
    max-width: 560px;
    margin: 0 auto 36px;
    color: var(--text-muted);
    font-size: 1.1rem;
  }
  
  .hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
  }
  
  .hero-numbers {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    border-top: 1px solid var(--border);
    padding-top: 40px;
  }
  
  .hero-numbers div { text-align: center; }
  .hero-numbers span {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--cyan);
  }
  .hero-numbers p { color: var(--text-muted); font-size: 0.85rem; }
  
  /* =============================================
     PRODUCT CARDS (homepage strip)
     ============================================= */
  .products-strip {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  
  .product-card {
    flex: 1 1 280px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.2s, transform 0.2s;
  }
  .product-card:hover {
    border-color: rgba(0,245,255,0.3);
    transform: translateY(-4px);
  }
  .product-icon { font-size: 2rem; margin-bottom: 16px; color: var(--cyan); }
  .product-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
  .product-card p  { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
  
  /* =============================================
     NEWS
     ============================================= */
  .news-section h2 { margin-bottom: 32px; font-size: 1.8rem; }
  
  .news-grid {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  
  .news-grid article {
    flex: 1 1 280px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
  }
  .news-tag {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--cyan);
    background: var(--cyan-dim);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
    display: inline-block;
  }
  .news-grid h4 { font-size: 1rem; margin: 10px 0 8px; line-height: 1.4; }
  .news-grid p  { color: var(--text-muted); font-size: 0.88rem; }
  .news-date    { display: block; margin-top: 16px; font-size: 0.8rem; color: var(--text-muted); }
  
  /* =============================================
     PARTNERS
     ============================================= */
  .partners { text-align: center; padding: 40px 24px; }
  .partners-label { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; }
  .partners-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
  }
  .partners-list span {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    opacity: 0.5;
    transition: opacity 0.2s;
  }
  .partners-list span:hover { opacity: 1; }
  
  /* =============================================
     PAGE HERO (inner pages)
     ============================================= */
  .page-hero {
    padding-top: 80px;
    padding-bottom: 48px;
    text-align: center;
  }
  .page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; margin-bottom: 16px; }
  .page-hero p  { color: var(--text-muted); max-width: 560px; margin: 0 auto; }
  
  /* =============================================
     PRODUCTS (detail page)
     ============================================= */
  .product-full {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 24px;
  }
  .product-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
  }
  .product-icon-lg { font-size: 2.5rem; color: var(--cyan); flex-shrink: 0; }
  .product-full h2 { font-size: 1.6rem; }
  .product-tagline  { color: var(--text-muted); font-size: 0.9rem; }
  .product-full > p { color: var(--text-muted); margin-bottom: 24px; }
  
  .feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  .feature-list div {
    background: rgba(0,245,255,0.05);
    border: 1px solid rgba(0,245,255,0.15);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 0.88rem;
    flex: 1 1 240px;
  }
  code {
    background: rgba(0,245,255,0.1);
    color: var(--cyan);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: monospace;
  }
  
  /* =============================================
     ABOUT
     ============================================= */
  .about-grid {
    display: flex;
    gap: 64px;
    flex-wrap: wrap;
  }
  .about-grid > div { flex: 1 1 300px; }
  .about-grid h2 { font-size: 1.4rem; margin: 32px 0 12px; }
  .about-grid h2:first-child { margin-top: 0; }
  .about-grid p  { color: var(--text-muted); margin-bottom: 12px; }
  
  .timeline { padding-left: 16px; border-left: 2px solid var(--border); }
  .tl-item  { margin-bottom: 24px; padding-left: 20px; position: relative; }
  .tl-item::before {
    content: '';
    position: absolute;
    left: -7px; top: 6px;
    width: 10px; height: 10px;
    background: var(--cyan);
    border-radius: 50%;
  }
  .tl-item span { color: var(--cyan); font-weight: 700; font-size: 0.9rem; display: block; }
  .tl-item p    { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
  
  .team-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }
  .member-card {
    flex: 1 1 200px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
  }
  .member-avatar {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: #fff;
  }
  .member-card h3       { font-size: 1rem; margin-bottom: 4px; }
  .member-role          { color: var(--cyan); font-size: 0.8rem; margin-bottom: 10px; }
  .member-card p:last-child { color: var(--text-muted); font-size: 0.85rem; }
  
  /* =============================================
     CAREERS
     ============================================= */
  .perks {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
  }
  .perk-item {
    flex: 1 1 220px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
  }
  
  .jobs {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .job-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.2s;
  }
  .job-card:hover { border-color: rgba(0,245,255,0.3); }
  .job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
  }
  .job-card h3   { font-size: 1.1rem; margin-bottom: 4px; }
  .job-tag       { color: var(--text-muted); font-size: 0.82rem; }
  .job-type      { color: var(--cyan); font-size: 0.8rem; font-weight: 600; white-space: nowrap; }
  .job-card p    { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 12px; }
  .job-stack     { font-size: 0.85rem !important; }
  
  /* =============================================
     CONTACT
     ============================================= */
  .contact-layout {
    display: flex;
    gap: 64px;
    flex-wrap: wrap;
  }
  .contact-form {
    flex: 2 1 400px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .form-row > div { flex: 1 1 180px; display: flex; flex-direction: column; gap: 6px; }
  
  label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
  
  input, select, textarea {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 12px 14px;
    width: 100%;
    transition: border-color 0.2s;
    outline: none;
  }
  input:focus, select:focus, textarea:focus {
    border-color: var(--cyan);
  }
  select option { background: var(--bg-card); }
  textarea { resize: vertical; }
  
  .contact-info {
    flex: 1 1 220px;
    color: var(--text-muted);
  }
  .contact-info h3 { color: var(--text); margin-bottom: 12px; margin-top: 24px; font-size: 1rem; }
  .contact-info h3:first-child { margin-top: 0; }
  .contact-info p  { font-size: 0.9rem; margin-bottom: 8px; }
  
  /* =============================================
     LOGIN
     ============================================= */
  .login-screen {
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
  }
  .login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
  }
  .login-logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  .login-subtitle { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 8px; }
  .login-warning  {
    font-size: 0.8rem; color: #f59e0b;
    background: rgba(245,158,11,0.08);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 28px;
  }
  .login-card form { display: flex; flex-direction: column; gap: 14px; }
  .login-error  { color: #ef4444; font-size: 0.88rem; margin-top: 12px; }
  .login-footer { margin-top: 20px; text-align: center; font-size: 0.8rem; color: var(--text-muted); }
  
  /* =============================================
     DASHBOARD
     ============================================= */
  .dashboard { padding: 40px 24px 80px; max-width: 1200px; margin: 0 auto; }
  
  .dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
  }
  .dash-header h1 { font-size: 1.8rem; }
  .badge-confidential {
    font-size: 0.75rem; font-weight: 700; letter-spacing: 1px;
    color: #ef4444;
    border: 1px solid rgba(239,68,68,0.4);
    background: rgba(239,68,68,0.08);
    padding: 6px 14px; border-radius: 6px;
  }
  
  .dash-kpis {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }
  .kpi-card {
    flex: 1 1 180px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
  }
  .kpi-card.alert { border-color: rgba(34,197,94,0.3); }
  .kpi-label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
  .kpi-value { font-size: 2rem; font-weight: 700; color: var(--cyan); margin-bottom: 4px; }
  .kpi-delta { font-size: 0.8rem; color: #22c55e; }
  .kpi-link  { font-size: 0.82rem; color: var(--cyan); }
  
  .dash-grid {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  .dash-block {
    flex: 1 1 340px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
  }
  .dash-block h2 { font-size: 1.1rem; margin-bottom: 20px; }
  
  .dash-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
  .dash-table th { text-align: left; color: var(--text-muted); font-weight: 500; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
  .dash-table td { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.04); color: var(--text-muted); vertical-align: top; }
  .dash-table tr:last-child td { border-bottom: none; }
  .dash-table td:first-child { color: var(--text); white-space: nowrap; padding-right: 16px; }
  
  .dash-links { display: flex; flex-direction: column; gap: 10px; }
  .dash-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text);
    transition: border-color 0.2s, background 0.2s;
  }
  .dash-links a:hover { border-color: rgba(0,245,255,0.3); background: var(--cyan-dim); }
  
  /* =============================================
     FOOTER
     ============================================= */
  footer {
    border-top: 1px solid var(--border);
    padding: 40px 24px 24px;
    margin-top: auto;
  }
  .footer-inner {
    max-width: 1200px;
    margin: 0 auto 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 32px;
  }
  .footer-brand .logo-icon { color: var(--cyan); }
  .footer-brand p { color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; }
  .footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  .footer-links a { color: var(--text-muted); font-size: 0.9rem; }
  .footer-links a:hover { color: var(--text); }
  .footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }
  .build-info { font-family: monospace; font-size: 0.75rem !important; }
  
  /* =============================================
     RESPONSIVE
     ============================================= */
  
  /* Tablette */
  @media (max-width: 768px) {
    .nav-links { display: none; flex-direction: column; gap: 0; }
    .nav-links.open {
      display: flex;
      position: absolute;
      top: var(--nav-h);
      left: 0; right: 0;
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
      padding: 16px 24px;
    }
    .nav-links.open li { padding: 10px 0; border-bottom: 1px solid var(--border); }
    .nav-toggle { display: flex; }
  
    .hero { padding-top: 60px; }
    .hero-numbers { gap: 24px; }
  
    .about-grid { flex-direction: column; gap: 40px; }
  
    .contact-layout { flex-direction: column; }
  
    .dash-header { flex-direction: column; align-items: flex-start; }
  
    .product-full { padding: 24px; }
  }
  
  /* Mobile */
  @media (max-width: 480px) {
    section { padding: 48px 16px; }
  
    .hero h1 { font-size: 2rem; }
    .hero-cta { flex-direction: column; align-items: center; }
  
    .login-card { padding: 32px 20px; }
  
    .dash-kpis { gap: 12px; }
    .kpi-value  { font-size: 1.6rem; }
  
    .form-row { flex-direction: column; }
  
    .footer-bottom { flex-direction: column; }
  }