/* ============================================================
       CSS CUSTOM PROPERTIES
    ============================================================ */
    :root {
      --black:    #0a0a0a;
      --graphite: #1c1c1e;
      --mid:      #5a5a5a;
      --muted:    #9a9a9a;
      --border:   #e2e2e2;
      --bg:       #fafafa;
      --white:    #ffffff;
      --accent:   #1a1a1a;

      --font-body:  'DM Sans', Helvetica, Arial, sans-serif;
      --font-mono:  'DM Mono', monospace;

      --max-w: 1200px;
      --header-h: 64px;

      --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
      --ease-out: cubic-bezier(0, 0, 0.2, 1);
    }

    /* ============================================================
       RESET & BASE
    ============================================================ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html { scroll-behavior: smooth; font-size: 16px; }

    body {
      font-family: var(--font-body);
      background: var(--bg);
      color: var(--black);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    ul { list-style: none; }
    img { display: block; max-width: 100%; }

    .container {
      width: 100%;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 2rem;
    }

    /* ============================================================
       ANIMATION UTILITIES
    ============================================================ */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }

    /* ============================================================
       TYPOGRAPHY
    ============================================================ */
    .label {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      font-weight: 400;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 300;
      line-height: 1.15;
      letter-spacing: -0.03em;
      color: var(--black);
    }

    .section-title strong {
      font-weight: 600;
    }

    /* ============================================================
       HEADER
    ============================================================ */
    #header {
      position: fixed;
      top: 0; left: 0; right: 0;
      height: var(--header-h);
      background: rgba(250, 250, 250, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      z-index: 1000;
      transition: box-shadow 0.3s var(--ease);
    }

    #header.scrolled {
      box-shadow: 0 1px 20px rgba(0,0,0,0.06);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .logo {
      font-size: 1.1rem;
      font-weight: 600;
      letter-spacing: -0.03em;
      color: var(--black);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .logo-mark {
      width: 28px;
      height: 28px;
      background: var(--black);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
    }


    nav {
      display: flex;
      align-items: center;
      gap: 2.5rem;
    }

    nav a {
      font-size: 0.82rem;
      font-weight: 400;
      color: var(--mid);
      letter-spacing: 0.01em;
      transition: color 0.2s var(--ease);
      position: relative;
    }

    nav a::after {
      content: '';
      position: absolute;
      bottom: -2px; left: 0; right: 0;
      height: 1px;
      background: var(--black);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.25s var(--ease);
    }

    nav a:hover { color: var(--black); }
    nav a:hover::after { transform: scaleX(1); }

    .lang-switcher {
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }

    .lang-btn {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      font-weight: 400;
      letter-spacing: 0.08em;
      padding: 0.25rem 0.55rem;
      border: 1px solid var(--border);
      border-radius: 3px;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      transition: all 0.2s var(--ease);
    }

    .lang-btn:hover,
    .lang-btn.active {
      background: var(--black);
      border-color: var(--black);
      color: var(--white);
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 4px;
    }

    .hamburger span {
      display: block;
      width: 22px;
      height: 1.5px;
      background: var(--black);
      transition: all 0.3s var(--ease);
    }

    /* ============================================================
       MOBILE NAV
    ============================================================ */
    .mobile-menu {
      display: none;
      position: fixed;
      top: var(--header-h);
      left: 0; right: 0;
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 1.5rem 2rem;
      z-index: 999;
      flex-direction: column;
      gap: 1.2rem;
    }

    .mobile-menu.open { display: flex; }

    .mobile-menu a {
      font-size: 1rem;
      font-weight: 400;
      color: var(--mid);
    }

    .mobile-menu .lang-switcher { margin-top: 0.5rem; }

    /* ============================================================
       HERO / ABOUT
    ============================================================ */
    #about {
      padding-top: calc(var(--header-h) + 6rem);
      padding-bottom: 7rem;
      background: var(--bg);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
    }

    .hero-label {
      margin-bottom: 1.8rem;
    }

    .hero-title {
      font-size: clamp(2.4rem, 5vw, 4rem);
      font-weight: 300;
      line-height: 1.1;
      letter-spacing: -0.04em;
      margin-bottom: 1.5rem;
      color: var(--black);
    }

    .hero-title em {
      font-style: normal;
      font-weight: 600;
    }

    .hero-subtitle {
      font-size: 1rem;
      line-height: 1.65;
      color: var(--mid);
      font-weight: 300;
      max-width: 480px;
      margin-bottom: 1.5rem;
    }

    .hero-body {
      font-size: 0.9rem;
      line-height: 1.8;
      color: var(--muted);
      max-width: 460px;
      margin-bottom: 2.5rem;
    }

    .hero-features {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      margin-bottom: 3rem;
    }

    .hero-feature {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.88rem;
      color: var(--graphite);
      font-weight: 400;
    }

    .feature-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--black);
      flex-shrink: 0;
    }

    .trion-block {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 1.5rem 1.8rem;
      background: var(--white);
      position: relative;
      overflow: hidden;
    }

    .trion-block::before {
      content: '';
      position: absolute;
      top: 0; left: 0;
      width: 3px;
      height: 100%;
      background: var(--black);
      border-radius: 0 2px 2px 0;
    }

    .trion-title {
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: -0.02em;
      margin-bottom: 0.5rem;
      color: var(--black);
    }

    .trion-desc {
      font-size: 0.82rem;
      line-height: 1.65;
      color: var(--muted);
    }

    .hero-media {
      border-radius: 12px;
      overflow: hidden;
      background: var(--graphite);
      aspect-ratio: 4/3;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-media-placeholder {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
      color: rgba(255,255,255,0.2);
    }

    .hero-media-placeholder svg {
      width: 48px;
      height: 48px;
      opacity: 0.3;
    }

    .hero-media-placeholder span {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    /* <!-- HERO IMAGE OR VIDEO HERE --> */

    /* ============================================================
       SECTION SEPARATOR
    ============================================================ */
    .sep {
      width: 100%;
      height: 1px;
      background: var(--border);
    }

    /* ============================================================
       SOLUTIONS
    ============================================================ */
    #solutions {
      padding: 7rem 0;
    }

    .section-header {
      margin-bottom: 4rem;
    }

    .section-header .label {
      margin-bottom: 1rem;
    }

    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5px;
      background: var(--border);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
    }

    .solution-card {
      background: var(--white);
      padding: 2.2rem 2rem;
      position: relative;
      transition: background 0.25s var(--ease);
      cursor: default;
      overflow: hidden;
    }

    .solution-card::after {
      content: '';
      position: absolute;
      bottom: 0; left: 2rem; right: 2rem;
      height: 1px;
      background: var(--black);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s var(--ease);
    }

    .solution-card:hover {
      background: var(--black);
    }

    .solution-card:hover::after {
      transform: scaleX(1);
    }

    .solution-card:hover .card-icon,
    .solution-card:hover .card-title,
    .solution-card:hover .card-desc {
      color: var(--white);
    }

    .solution-card:hover .card-icon {
      opacity: 1;
    }

    .card-icon {
      font-size: 1.5rem;
      margin-bottom: 1.2rem;
      opacity: 0.5;
      transition: opacity 0.25s var(--ease), color 0.25s var(--ease);
      /* <!-- ICON --> */
    }

    .card-num {
      font-family: var(--font-mono);
      font-size: 0.6rem;
      color: var(--muted);
      letter-spacing: 0.1em;
      margin-bottom: 0.8rem;
      transition: color 0.25s var(--ease);
    }

    .solution-card:hover .card-num {
      color: rgba(255,255,255,0.35);
    }

    .card-title {
      font-size: 1rem;
      font-weight: 500;
      letter-spacing: -0.02em;
      margin-bottom: 0.7rem;
      color: var(--black);
      transition: color 0.25s var(--ease);
    }

    .card-desc {
      font-size: 0.82rem;
      line-height: 1.65;
      color: var(--muted);
      transition: color 0.25s var(--ease);
    }

    /* ============================================================
       PARTNERS
    ============================================================ */
    #partners {
      padding: 7rem 0;
      background: var(--white);
    }

    .partners-grid-header {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: start;
      margin-bottom: 5rem;
    }

    .partners-desc {
      font-size: 0.9rem;
      line-height: 1.8;
      color: var(--muted);
      max-width: 380px;
      margin-bottom: 2rem;
    }

    .partners-list {
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }

    .partners-list li {
      display: flex;
      align-items: center;
      gap: 0.7rem;
      font-size: 0.85rem;
      color: var(--graphite);
    }

    .partners-list li::before {
      content: '—';
      color: var(--muted);
      font-family: var(--font-mono);
    }

    .partner-logos-grid {
      border: 1px dashed var(--border);
      border-radius: 10px;
      padding: 3rem;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      align-items: center;
      justify-items: center;
    }

    .partner-logo-slot {
      width: 100%;
      height: 48px;
      background: var(--bg);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .partner-logo-slot span {
      font-family: var(--font-mono);
      font-size: 0.6rem;
      letter-spacing: 0.08em;
      color: var(--border);
      text-transform: uppercase;
    }

    /* <!-- PARTNER LOGOS GRID HERE --> */

    /* ============================================================
       TEAM
    ============================================================ */
    #team {
      padding: 7rem 0;
    }

    .team-intro {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      margin-bottom: 4rem;
    }

    .team-desc {
      font-size: 0.9rem;
      line-height: 1.8;
      color: var(--muted);
    }

    .team-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
    }

    .team-card {
      position: relative;
      overflow: hidden;
      border-radius: 8px;
    }

    .team-photo {
      aspect-ratio: 3/4;
      background: var(--border);
      border-radius: 8px;
      overflow: hidden;
      position: relative;
      transition: transform 0.35s var(--ease);
    }

    .team-photo-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      color: var(--muted);
    }

    .team-photo-placeholder svg {
      width: 32px;
      height: 32px;
      opacity: 0.3;
    }

    .team-photo-placeholder span {
      font-family: var(--font-mono);
      font-size: 0.55rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      opacity: 0.5;
    }

    /* <!-- TEAM PHOTOS HERE --> */

    .team-overlay {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      padding: 1rem;
      background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
      border-radius: 0 0 8px 8px;
      transform: translateY(4px);
      opacity: 0;
      transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
    }

    .team-card:hover .team-overlay {
      opacity: 1;
      transform: translateY(0);
    }

    .team-card:hover .team-photo {
      transform: scale(1.03);
    }

    .team-name {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--white);
      letter-spacing: -0.01em;
    }

    .team-role {
      font-size: 0.72rem;
      color: rgba(255,255,255,0.6);
      margin-top: 0.15rem;
      font-family: var(--font-mono);
    }

    .team-card-info {
      padding: 0.75rem 0 0;
    }

    .team-card-info .team-name {
      color: var(--black);
      display: block;
    }

    .team-card-info .team-role {
      color: var(--muted);
      display: block;
      margin-top: 0.15rem;
    }

    /* ============================================================
       CONTACTS
    ============================================================ */
    #contacts {
      padding: 7rem 0;
      background: var(--white);
    }

    .contacts-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
    }

    .contacts-desc {
      font-size: 0.9rem;
      line-height: 1.8;
      color: var(--muted);
      margin-bottom: 3rem;
    }

    .contact-items {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .contact-item {
      display: grid;
      grid-template-columns: 100px 1fr;
      gap: 1rem;
      align-items: start;
    }

    .contact-label {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--muted);
      padding-top: 2px;
    }

    .contact-value {
      font-size: 0.9rem;
      color: var(--graphite);
      line-height: 1.5;
    }

    .contact-value a {
      color: var(--graphite);
      transition: color 0.2s var(--ease);
    }

    .contact-value a:hover {
      color: var(--black);
    }

    .map-slot {
      border: 1px dashed var(--border);
      border-radius: 10px;
      overflow: hidden;
      height: 380px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg);
    }

    .map-placeholder {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      color: var(--muted);
    }

    .map-placeholder svg {
      width: 36px;
      height: 36px;
      opacity: 0.3;
    }

    .map-placeholder span {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    /* <!-- MAP EMBED HERE --> */

    /* ============================================================
       FOOTER
    ============================================================ */
    #footer {
      padding: 2.5rem 0;
      border-top: 1px solid var(--border);
      background: var(--bg);
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
    }

    .footer-logo {
      font-size: 0.9rem;
      font-weight: 600;
      letter-spacing: -0.02em;
      color: var(--black);
    }

    .footer-nav {
      display: flex;
      gap: 2rem;
    }

    .footer-nav a {
      font-size: 0.78rem;
      color: var(--muted);
      transition: color 0.2s var(--ease);
    }

    .footer-nav a:hover { color: var(--black); }

    .footer-copy {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      color: var(--muted);
      letter-spacing: 0.04em;
    }

    /* ============================================================
       LANGUAGE LAYERS
    ============================================================ */
    [data-lang] { display: none; }
    [data-lang].lang-active { display: block; }
    span[data-lang].lang-active { display: inline; }

    /* ============================================================
       RESPONSIVE
    ============================================================ */
    @media (max-width: 960px) {
      .hero-grid,
      .partners-grid-header,
      .team-intro,
      .contacts-grid { grid-template-columns: 1fr; gap: 3rem; }

      .solutions-grid { grid-template-columns: repeat(2, 1fr); }
      .team-grid { grid-template-columns: repeat(2, 1fr); }
      .partner-logos-grid { grid-template-columns: repeat(2, 1fr); }

      nav { display: none; }
      .hamburger { display: flex; }

      .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
      .footer-nav { flex-wrap: wrap; gap: 1rem; }
    }

    @media (max-width: 600px) {
      .solutions-grid { grid-template-columns: 1fr; }
      .team-grid { grid-template-columns: repeat(2, 1fr); }
      .partner-logos-grid { grid-template-columns: repeat(2, 1fr); }
      .container { padding: 0 1.2rem; }
      .contact-item { grid-template-columns: 1fr; gap: 0.25rem; }
    }

    /* ============================================================
       SCROLLBAR
    ============================================================ */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

  </style>