/*
Theme Name: eProxim
Theme URI: https://eproxim.com
Author: Jayant Chaudhary
Author URI: https://eproxim.com
Description: eProxim AI Workers — custom single-page website theme
Version: 3.0.0
License: Proprietary
Text Domain: eproxim
*/

    /* ============================================================
       CSS CUSTOM PROPERTIES — TECHNICAL AMBER DARK (DEFAULT)
    ============================================================ */
    :root {
      --bg:        #0d1117;
      --bg-alt:    #090c10;
      --bg-light:  #e8edf2;
      --accent:    #f5a623;
      --accent-dark: #d4860a;
      --accent-pale: #ffc94d;
      --text:      #e8edf2;
      --text-muted:#8899aa;
      --border:    rgba(245, 166, 35, 0.25);
      --accent-r: 245; --accent-g: 166; --accent-b: 35;
      --section-invert-bg:     #e8edf2;
      --section-invert-text:   #0d1117;
      --section-invert-muted:  #445566;
      --section-invert-accent: #d4860a;
      --section-invert-border: rgba(212, 134, 10, 0.3);
      --font-display: 'Bebas Neue', sans-serif;
      --font-body:    'Cormorant Garamond', serif;
      --font-mono:    'JetBrains Mono', monospace;
      --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
      --ease-in-out: cubic-bezier(0.87, 0, 0.13, 1);
      --transition: 0.6s var(--ease-out);
    }

    /* ============================================================
       TECHNICAL AMBER — LIGHT
    ============================================================ */

    /* ============================================================
    ============================================================ */

    /* ============================================================
    ============================================================ */

    /* ============================================================
       RESET
    ============================================================ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: 64px; }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      font-weight: 400;
      line-height: 1.6;
      overflow-x: hidden;
      transition: background-color 0.4s ease, color 0.4s ease;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    ul { list-style: none; }
    ::selection { background: var(--accent); color: var(--bg); }
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: var(--bg-alt); }
    ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

    /* ============================================================
       UTILITIES
    ============================================================ */
    .container { max-width: 1360px; margin: 0 auto; padding: 0 40px; }
    .label {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
      display: inline-block;
    }
    .gold { color: var(--accent); }
    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    }
    .reveal.revealed { 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; }
    .reveal-delay-6 { transition-delay: 0.6s; }

    /* ============================================================
       NAVIGATION
    ============================================================ */
    #nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      padding: 24px 0;
      transition: background 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
    }
    #nav.scrolled {
      background: rgba(17, 17, 17, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      padding: 14px 0;
      border-bottom: 1px solid var(--border);
    }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .nav-logo { font-family: var(--font-display); font-size: 1.9rem; letter-spacing: 0.05em; color: var(--text); flex-shrink: 0; }
    .nav-logo span { color: var(--accent); }
    .nav-links { display: flex; align-items: center; gap: 32px; }
    .nav-links a {
      font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--text-muted);
      transition: color 0.3s ease; position: relative;
    }
    .nav-links a::after {
      content: ''; position: absolute; bottom: -4px; left: 0;
      width: 0; height: 1px; background: var(--accent);
      transition: width 0.3s var(--ease-out);
    }
    .nav-links a:hover { color: var(--text); }
    .nav-links a:hover::after { width: 100%; }
    .nav-cta {
      font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--bg); background: var(--accent);
      padding: 12px 22px; transition: background 0.3s ease, transform 0.3s ease; flex-shrink: 0;
    }
    .nav-cta:hover { background: var(--accent-pale); transform: translateY(-1px); }
    .nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
    .nav-hamburger span { display: block; width: 24px; height: 1.5px; background: var(--text); transition: 0.3s ease; }
    .mobile-menu {
      display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: var(--bg-alt); z-index: 999;
      flex-direction: column; align-items: center; justify-content: center; gap: 32px;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { font-family: var(--font-display); font-size: 2.5rem; letter-spacing: 0.08em; color: var(--text); transition: color 0.3s ease; }
    .mobile-menu a:hover { color: var(--accent); }
    .mobile-close { position: absolute; top: 24px; right: 40px; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; color: var(--text-muted); cursor: pointer; }
    .mobile-menu-cta { margin-top: 20px; }

    /* ============================================================
       HERO
    ============================================================ */
    #hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      overflow: hidden;
      padding: 80px 0 40px;
      background: var(--bg);
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 55fr 45fr;
      gap: 60px;
      align-items: center;
      min-height: calc(100vh - 180px);
    }
    .hero-label { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
    .hero-label-line { width: 40px; height: 1px; background: var(--accent); }
    .hero-headline {
      font-family: var(--font-display);
      font-size: clamp(3.2rem, 6vw, 6.5rem);
      line-height: 0.94; letter-spacing: 0.02em;
      color: var(--text); margin-bottom: 28px;
    }
    .hero-headline .line-gold { color: var(--accent); display: block; }
    .hero-sub {
      font-size: clamp(1.1rem, 1.6vw, 1.35rem); font-weight: 300;
      color: var(--text-muted); line-height: 1.7; max-width: 480px; margin-bottom: 20px;
    }
    .hero-sub em { color: var(--text); font-style: italic; }
    .hero-10x {
      display: flex; gap: 32px; margin-bottom: 44px;
      padding: 24px 0;
      border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    }
    .hero-10x-item { display: flex; flex-direction: column; }
    .hero-10x-number { font-family: var(--font-display); font-size: 3rem; line-height: 1; color: var(--accent); letter-spacing: 0.02em; }
    .hero-10x-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin-top: 4px; }
    .hero-10x-divider { width: 1px; background: var(--border); align-self: stretch; }
    .hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

    /* ── Hero role selector ───────────────────────────────────── */
    .hero-roles {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 22px;
      flex-wrap: wrap;
    }
    .hero-roles-label {
      font-family: var(--font-mono);
      font-size: 9px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--text-muted);
      white-space: nowrap;
    }
    .hero-role-btns { display: flex; gap: 8px; flex-wrap: wrap; }
    .hero-role-btn {
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.1em;
      color: var(--text-muted);
      background: rgba(245,166,35,0.04);
      border: 1px solid rgba(245,166,35,0.16);
      padding: 6px 13px;
      border-radius: 2px;
      cursor: pointer;
      transition: color 0.22s, border-color 0.22s, background 0.22s;
    }
    .hero-role-btn:hover {
      color: var(--accent);
      border-color: rgba(245,166,35,0.38);
      background: rgba(245,166,35,0.08);
    }
    .hero-role-btn.active {
      color: #ffd070;
      border-color: rgba(245,166,35,0.5);
      background: rgba(245,166,35,0.11);
    }

    /* ── Nav role dropdown ────────────────────────────────────── */
    .nav-has-dropdown { position: relative; }
    .nav-dropdown {
      position: absolute;
      top: calc(100% + 14px);
      left: 50%;
      transform: translateX(-50%);
      background: rgba(5,8,18,0.97);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 6px 0;
      min-width: 210px;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
      transform: translateX(-50%) translateY(-4px);
      backdrop-filter: blur(16px);
      z-index: 200;
    }
    .nav-has-dropdown:hover .nav-dropdown,
    .nav-has-dropdown:focus-within .nav-dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateX(-50%) translateY(0);
    }
    /* Arrow caret */
    .nav-dropdown::before {
      content: '';
      position: absolute;
      top: -5px;
      left: 50%;
      transform: translateX(-50%) rotate(45deg);
      width: 8px;
      height: 8px;
      background: rgba(5,8,18,0.97);
      border-top: 1px solid var(--border);
      border-left: 1px solid var(--border);
    }
    .nav-dropdown-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 9px 18px;
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      cursor: pointer;
      transition: color 0.18s, background 0.18s;
      text-decoration: none;
      border: none;
      background: none;
      width: 100%;
      text-align: left;
    }
    .nav-dropdown-item:hover {
      color: #ffd070;
      background: rgba(245,166,35,0.07);
    }
    .nav-dropdown-icon { font-size: 14px; line-height: 1; }
    .btn-primary {
      font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--bg); background: var(--accent);
      padding: 16px 28px; display: inline-block;
      transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    }
    .btn-primary:hover {
      background: var(--accent-pale); transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.3);
    }
    .btn-outline {
      font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--text); background: transparent;
      border: 1px solid var(--border); padding: 16px 28px; display: inline-block;
      transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
    }
    .btn-outline:hover {
      border-color: var(--accent); color: var(--accent);
      background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.05);
    }

    /* Three.js hero right side */
    .hero-spline-wrapper {
      position: relative;
      height: 100%;
      min-height: 560px;
      overflow: hidden;
      border-radius: 2px;
    }
    .hero-spotlight {
      position: absolute;
      top: -40%;
      left: -20%;
      width: 138%;
      height: 169%;
      opacity: 0;
      pointer-events: none;
      z-index: 1;
      animation: spotlight-enter 2.5s ease 0.8s forwards;
    }
    @keyframes spotlight-enter {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    #glb-canvas {
      display: block;
      width: 100%;
      height: 100%;
      position: relative;
      z-index: 3;
    }

    /* ── Loading overlay ── */
    .glb-loading {
      position: absolute;
      inset: 0;
      z-index: 20;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 14px;
      background: rgba(10,10,12,0.97);
      transition: opacity 0.6s ease;
    }
    .glb-loading.fade-out { opacity: 0; pointer-events: none; }
    .loader-ring {
      width: 36px;
      height: 36px;
      border: 1.5px solid rgba(245,166,35,0.2);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin 0.75s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    .loader-label {
      font-family: var(--font-mono);
      font-size: 0.58rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--text-muted);
    }

    /* ── Error overlay ── */
    .glb-error {
      position: absolute;
      inset: 0;
      z-index: 20;
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 40px;
      text-align: center;
    }
    .glb-error.show { display: flex; }
    .glb-error-title {
      font-family: var(--font-display);
      font-size: 1.6rem;
      letter-spacing: 0.04em;
      color: var(--text-muted);
    }
    .glb-error-sub {
      font-family: var(--font-mono);
      font-size: 0.58rem;
      letter-spacing: 0.1em;
      color: var(--text-muted);
      opacity: 0.5;
    }

    /* ============================================================
       HERO — LIVE TASK STREAM OVERLAY
    ============================================================ */
    .robot-stream {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 10;
      overflow: hidden;
    }
    .robot-task {
      position: absolute;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      background: rgba(5, 8, 18, 0.88);
      border: 1px solid rgba(245, 166, 35, 0.32);
      border-radius: 3px;
      padding: 7px 12px 7px 10px;
      opacity: 0;
      backdrop-filter: blur(10px);
      max-width: 200px;
    }
    .robot-task-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #4ade80;
      flex-shrink: 0;
      margin-top: 3px;
      animation: rt-dot-pulse 1.1s ease-in-out infinite;
    }
    .robot-task-fn {
      display: block;
      font-family: var(--font-mono);
      font-size: 7px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(245, 166, 35, 0.75);
      margin-bottom: 2px;
    }
    .robot-task-text {
      display: block;
      font-family: var(--font-mono);
      font-size: 10px;
      color: #d8e8f8;
      line-height: 1.35;
    }
    @keyframes rt-dot-pulse {
      0%, 100% { opacity: 1;   transform: scale(1); }
      50%      { opacity: 0.35; transform: scale(0.7); }
    }
    /* Card appear → hold → fade */
    @keyframes rt-card {
      0%   { opacity: 0; transform: translateX(14px); }
      8%   { opacity: 1; transform: translateX(0); }
      50%  { opacity: 1; transform: translateX(0); }
      68%  { opacity: 0; transform: translateX(-8px); }
      100% { opacity: 0; }
    }
    /* Positions — left column and right column, robot in the middle */
    /* Cycle A: 7s period, 6 cards, 1.17s apart */
    .rt-1  { top:  8%; right: 5%;  animation: rt-card 7s ease infinite 0s; }
    .rt-2  { top: 24%; left:  4%;  animation: rt-card 7s ease infinite 1.17s; }
    .rt-3  { top: 42%; right: 6%;  animation: rt-card 7s ease infinite 2.33s; }
    .rt-4  { top: 58%; left:  4%;  animation: rt-card 7s ease infinite 3.5s; }
    .rt-5  { top: 73%; right: 5%;  animation: rt-card 7s ease infinite 4.67s; }
    .rt-6  { top: 15%; left:  3%;  animation: rt-card 7s ease infinite 5.83s; }
    /* Cycle B: 5.5s period, 6 more cards, offset so they interleave */
    .rt-7  { top: 32%; right: 4%;  animation: rt-card 5.5s ease infinite 0.6s; }
    .rt-8  { top: 50%; left:  3%;  animation: rt-card 5.5s ease infinite 1.52s; }
    .rt-9  { top: 68%; right: 5%;  animation: rt-card 5.5s ease infinite 2.43s; }
    .rt-10 { top: 20%; right: 6%;  animation: rt-card 5.5s ease infinite 3.35s; }
    .rt-11 { top: 62%; left:  4%;  animation: rt-card 5.5s ease infinite 4.27s; }
    .rt-12 { top: 82%; left:  3%;  animation: rt-card 5.5s ease infinite 0.9s; }

    /* ============================================================
       SECTION SHARED
    ============================================================ */
    .section-headline {
      font-family: var(--font-display);
      font-size: clamp(2.8rem, 5vw, 5rem);
      letter-spacing: 0.03em; line-height: 0.95;
      color: var(--text); margin: 16px 0 20px;
    }
    .section-subline {
      font-size: clamp(1rem, 1.4vw, 1.2rem); font-weight: 300;
      color: var(--text-muted); max-width: 560px; margin: 0 auto; line-height: 1.7;
    }

    /* ============================================================
       DIFFERENTIATION
    ============================================================ */
    #differentiation {
      padding: 48px 0; background: var(--bg-alt); position: relative; overflow: hidden;
    }
    #differentiation::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
    }
    .diff-header { text-align: center; margin-bottom: 48px; }
    .diff-grid { display: grid; grid-template-columns: 1fr 80px 1fr; gap: 0; align-items: start; }
    .diff-column { display: flex; flex-direction: column; gap: 16px; }
    .diff-column-header { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; padding: 12px 0; margin-bottom: 8px; }
    .diff-not-label { color: #ef4444; }
    .diff-is-label  { color: #4ade80; }
    .diff-card { border: 1px solid; padding: 18px 22px; position: relative; transition: transform 0.3s ease, box-shadow 0.3s ease; }
    .diff-card.not-card { border-color: rgba(239, 68, 68, 0.2); background: rgba(239, 68, 68, 0.04); }
    .diff-card.not-card:hover { transform: translateX(-4px); box-shadow: -4px 0 20px rgba(239, 68, 68, 0.1); }
    .diff-card.is-card  { border-color: rgba(74, 222, 128, 0.25); background: rgba(74, 222, 128, 0.04); }
    .diff-card.is-card:hover  { transform: translateX(4px); box-shadow: 4px 0 20px rgba(74, 222, 128, 0.1); }
    .diff-icon { font-size: 1.1rem; margin-bottom: 8px; display: block; }
    .diff-card-text { font-size: 1rem; font-weight: 500; color: var(--text); line-height: 1.4; }
    .diff-card.not-card .diff-card-text { opacity: 0.5; text-decoration: line-through; text-decoration-color: rgba(239, 68, 68, 0.5); }
    .diff-card-sub { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--text-muted); margin-top: 6px; text-transform: uppercase; }
    .diff-divider { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; padding-top: 56px; gap: 24px; }
    .diff-vs { font-family: var(--font-display); font-size: 1.4rem; color: var(--accent); letter-spacing: 0.1em; writing-mode: vertical-rl; }
    .diff-vline { width: 1px; flex: 1; background: linear-gradient(to bottom, transparent, var(--border), transparent); }

    /* ============================================================
       SERVICES
    ============================================================ */
    #services { padding: 48px 0; background: var(--bg); position: relative; }
    .services-header { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; margin-bottom: 48px; }
    .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
    .service-card { background: var(--bg); padding: 40px 32px; position: relative; overflow: hidden; cursor: pointer; transition: background 0.4s ease; }
    .service-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease-out); }
    .service-card:hover { background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04); }
    .service-card:hover::before { transform: scaleX(1); }
    .service-card-icon { width: 48px; height: 48px; margin-bottom: 24px; }
    .service-card-icon svg { width: 100%; height: 100%; stroke: var(--accent); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
    .service-card-title { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 0.04em; color: var(--text); margin-bottom: 12px; }
    .service-card-dept { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }
    .service-card-actions { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
    .service-action { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text-muted); line-height: 1.4; }
    .service-action-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 6px; }
    .service-expand { max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease-out); border-top: 1px solid transparent; }
    .service-card:hover .service-expand { max-height: 200px; border-top-color: var(--border); }
    .service-expand-inner { padding-top: 16px; }
    .service-expand-text { font-size: 0.88rem; color: var(--text-muted); font-style: italic; line-height: 1.6; }
    .service-expand-cta { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-top: 12px; display: flex; align-items: center; gap: 8px; }
    .service-expand-cta::after { content: '→'; }

    /* ============================================================
       HOW IT WORKS
    ============================================================ */
    #process {
      padding: 48px 0;
      background: var(--bg-alt);
      position: relative;
    }
    .process-header { text-align: center; margin-bottom: 56px; }
    .process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
    .process-steps::before {
      content: ''; position: absolute; top: 44px; left: 12.5%; right: 12.5%; height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
      z-index: 0;
    }
    .process-step { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 24px; position: relative; z-index: 1; }
    .process-step-number {
      width: 88px; height: 88px;
      border: 1px solid var(--border);
      background: var(--bg-alt);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 32px; position: relative;
      transition: background 0.3s ease, border-color 0.3s ease;
    }
    .process-step:hover .process-step-number { background: var(--accent); border-color: var(--accent); }
    .process-step-number-inner { font-family: var(--font-display); font-size: 2rem; letter-spacing: 0.05em; color: var(--accent); transition: color 0.3s ease; }
    .process-step:hover .process-step-number-inner { color: var(--bg); }
    .process-step-tag { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
    .process-step-title { font-family: var(--font-display); font-size: 1.8rem; letter-spacing: 0.04em; color: var(--text); margin-bottom: 12px; }
    .process-step-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.65; font-weight: 300; }
    .process-control-note {
      text-align: center; margin-top: 80px; padding: 40px;
      border: 1px solid var(--border);
      max-width: 680px; margin-left: auto; margin-right: auto;
      background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.05);
    }
    .process-control-note p { font-size: 1.1rem; font-style: italic; color: var(--text); line-height: 1.7; }
    .process-control-note strong { color: var(--accent); font-style: normal; }

    /* ============================================================
       10X PROMISE
    ============================================================ */
    #promise { padding: 140px 0; background: var(--bg); position: relative; overflow: hidden; }
    #promise::after {
      content: '10×'; position: absolute; bottom: -60px; right: -20px;
      font-family: var(--font-display); font-size: 28vw;
      color: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.03);
      line-height: 1; pointer-events: none; user-select: none;
    }
    .promise-header { text-align: center; margin-bottom: 56px; }
    .promise-comparison { display: grid; grid-template-columns: 1fr 120px 1fr; gap: 0; align-items: center; max-width: 1100px; margin: 0 auto; }
    .promise-side { padding: 60px 48px; border: 1px solid var(--border); position: relative; }
    .promise-side.traditional { background: transparent; }
    .promise-side.eproxim { background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.06); border-color: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.5); }
    .promise-side-tag { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 24px; display: block; }
    .traditional .promise-side-tag { color: var(--text-muted); }
    .eproxim .promise-side-tag { color: var(--accent); }
    .promise-side-cost { font-family: var(--font-display); font-size: clamp(2.5rem, 4vw, 3.8rem); letter-spacing: 0.02em; line-height: 1; margin-bottom: 8px; }
    .traditional .promise-side-cost { color: var(--text-muted); }
    .eproxim .promise-side-cost { color: var(--accent); }
    .promise-side-desc { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.6; }
    .promise-metric-list { display: flex; flex-direction: column; gap: 12px; }
    .promise-metric { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; }
    .promise-metric-icon { flex-shrink: 0; margin-top: 2px; font-size: 0.9rem; }
    .traditional .promise-metric { color: var(--text-muted); }
    .eproxim .promise-metric { color: var(--text); }
    .promise-center { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; }
    .promise-vs-badge {
      width: 70px; height: 70px; border: 2px solid var(--accent);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display); font-size: 1.2rem; letter-spacing: 0.05em;
      color: var(--accent); background: var(--bg); position: relative; z-index: 1;
    }
    .promise-vline { width: 1px; height: 60px; background: var(--border); }
    .promise-disclaimer { text-align: center; margin-top: 60px; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--text-muted); }

    /* ============================================================
       ABOUT
    ============================================================ */
    #about { padding: 48px 0; background: var(--bg-alt); position: relative; overflow: hidden; }
    #about::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); }
    .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; align-items: start; }
    .about-headline { font-family: var(--font-display); font-size: clamp(2.5rem, 4vw, 4rem); letter-spacing: 0.03em; line-height: 0.96; color: var(--text); margin: 16px 0 28px; }
    .about-body { font-size: 1.05rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; font-weight: 300; }
    .about-body strong { color: var(--text); font-weight: 500; }
    .about-clients { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--border); }
    .about-clients-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 16px; }
    .about-clients-grid { display: flex; flex-wrap: wrap; gap: 8px; }
    .about-client-tag {
      font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--accent); border: 1px solid var(--border); padding: 6px 12px;
      transition: border-color 0.3s ease, background 0.3s ease;
    }
    .about-client-tag:hover { border-color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08); }
    .about-quote-block { margin-top: 28px; padding: 24px 28px; border-left: 2px solid var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04); }
    .about-quote-text { font-size: 1.05rem; font-style: italic; color: var(--text); line-height: 1.65; margin-bottom: 12px; }
    .about-quote-author { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
    .about-header { text-align: center; margin-bottom: 48px; }
    .about-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; }
    .about-tab-btn {
      font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase;
      padding: 12px 28px; border: 1px solid var(--border); color: var(--text-muted); background: transparent;
      transition: all 0.3s ease; cursor: pointer;
    }
    .about-tab-btn:hover { border-color: var(--accent); color: var(--accent); }
    .about-tab-btn.active { border-color: var(--accent); color: var(--bg); background: var(--accent); }
    .about-tab-panel { display: none; }
    .about-tab-panel.active { display: block; }
    .about-photo-wrap { position: relative; aspect-ratio: 4/5; overflow: hidden; }
    .about-photo-img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(80%) contrast(1.1); transition: filter 0.5s ease; }
    .about-photo-wrap:hover .about-photo-img { filter: grayscale(20%) contrast(1.05); }
    .about-photo-caption { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-top: 12px; }
    @media (max-width: 768px) {
      .about-grid { grid-template-columns: 1fr; gap: 40px; }
      .about-tabs { flex-wrap: wrap; }
    }

    /* ============================================================
       TESTIMONIALS
    ============================================================ */
    #testimonials { padding: 48px 0; background: var(--bg); }
    .testimonials-header { text-align: center; margin-bottom: 48px; }
    .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .testimonial-card {
      border: 1px solid var(--border); padding: 40px 32px; position: relative;
      background: transparent;
      transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
    }
    .testimonial-card:hover { border-color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04); transform: translateY(-4px); }
    .testimonial-card.placeholder {
      border-style: dashed; border-color: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.15);
      display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; min-height: 240px;
    }
    .testimonial-card.placeholder:hover { border-color: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.35); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.02); transform: none; }
    .testimonial-quote-mark { font-family: var(--font-display); font-size: 4rem; color: var(--accent); line-height: 1; margin-bottom: 20px; opacity: 0.6; }
    .testimonial-text { font-size: 1rem; font-style: italic; color: var(--text); line-height: 1.7; margin-bottom: 24px; }
    .testimonial-name { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
    .testimonial-role { font-size: 0.85rem; color: var(--text-muted); font-weight: 300; }
    .testimonial-placeholder-text { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
    .testimonial-placeholder-sub { font-size: 0.85rem; color: var(--text-muted); font-style: italic; opacity: 0.6; }

    /* ============================================================
       PRICING
    ============================================================ */
    #pricing { padding: 48px 0; background: var(--bg-alt); position: relative; }
    #pricing::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); }
    .pricing-header { text-align: center; margin-bottom: 48px; }
    .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
    .pricing-card {
      border: 1px solid var(--border); padding: 48px 36px; position: relative;
      background: transparent;
      transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
    }
    .pricing-card:hover { transform: translateY(-6px); }
    .pricing-card.featured { border-color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.05); }
    .pricing-card.featured:hover { box-shadow: 0 20px 60px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.15); }
    .pricing-featured-badge { position: absolute; top: -1px; left: 32px; right: 32px; height: 3px; background: var(--accent); }
    .pricing-tier { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; display: block; }
    .pricing-title { font-family: var(--font-display); font-size: 2rem; letter-spacing: 0.04em; color: var(--text); margin-bottom: 8px; }
    .pricing-price { font-family: var(--font-display); font-size: 3rem; letter-spacing: 0.02em; color: var(--accent); line-height: 1; margin: 24px 0 8px; }
    .pricing-price-note { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 28px; }
    .pricing-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--border); font-weight: 300; }
    .pricing-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 40px; }
    .pricing-feature { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text-muted); line-height: 1.4; }
    .pricing-check { color: var(--accent); flex-shrink: 0; margin-top: 1px; font-size: 0.9rem; }
    .pricing-cta { display: block; text-align: center; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; padding: 16px; transition: 0.3s ease; }
    .pricing-card:not(.featured) .pricing-cta { color: var(--text); border: 1px solid var(--border); }
    .pricing-card:not(.featured) .pricing-cta:hover { border-color: var(--accent); color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.05); }
    .pricing-card.featured .pricing-cta { color: var(--bg); background: var(--accent); }
    .pricing-card.featured .pricing-cta:hover { background: var(--accent-pale); }

    /* ============================================================
       CONTACT
    ============================================================ */
    #contact { padding: 48px 0; background: var(--bg); position: relative; overflow: hidden; }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; align-items: start; }
    .contact-headline { font-family: var(--font-display); font-size: clamp(2.8rem, 4.5vw, 4.5rem); letter-spacing: 0.03em; line-height: 0.95; color: var(--text); margin: 16px 0 20px; }
    .contact-sub { font-size: 1.05rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 40px; font-weight: 300; font-style: italic; }
    .contact-promise { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border: 1px solid var(--border); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04); }
    .contact-promise-dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; flex-shrink: 0; animation: pulse-dot-green 2s ease-in-out infinite; }
    @keyframes pulse-dot-green { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4); } 50% { opacity: 0.9; box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); } }
    .contact-promise-text { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
    .contact-form { display: flex; flex-direction: column; gap: 20px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .form-field { display: flex; flex-direction: column; gap: 8px; }
    .form-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); }
    .form-input, .form-textarea {
      background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.03); border: 1px solid var(--border);
      color: var(--text); font-family: var(--font-body); font-size: 1rem;
      padding: 14px 18px; outline: none;
      transition: border-color 0.3s ease, background 0.3s ease; width: 100%; -webkit-appearance: none;
    }
    .form-input:focus, .form-textarea:focus { border-color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.04); }
    .form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); opacity: 0.4; font-style: italic; }
    .form-textarea { resize: vertical; min-height: 120px; }
    .form-submit {
      font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--bg); background: var(--accent); padding: 18px 32px; border: none; cursor: pointer;
      transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease; align-self: flex-start;
    }
    .form-submit:hover { background: var(--accent-pale); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.3); }
    .form-success { display: none; text-align: center; padding: 60px 40px; border: 1px solid rgba(74, 222, 128, 0.3); background: rgba(74, 222, 128, 0.04); }
    .form-success.visible { display: block; }
    .form-success-icon { font-size: 2.5rem; margin-bottom: 16px; }
    .form-success-title { font-family: var(--font-display); font-size: 2rem; letter-spacing: 0.04em; color: var(--text); margin-bottom: 12px; }
    .form-success-text { font-size: 1rem; color: var(--text-muted); line-height: 1.7; font-style: italic; }

    /* ============================================================
       FOOTER
    ============================================================ */
    #footer { background: var(--bg-alt); padding: 60px 0 32px; border-top: 1px solid var(--border); }
    .footer-top { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 60px; align-items: start; padding-bottom: 48px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
    .footer-logo { font-family: var(--font-display); font-size: 2.2rem; letter-spacing: 0.05em; }
    .footer-logo span { color: var(--accent); }
    .footer-tagline { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin-top: 8px; }
    .footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .footer-nav a { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); transition: color 0.3s ease; padding: 4px 0; }
    .footer-nav a:hover { color: var(--accent); }
    .footer-social { display: flex; gap: 12px; justify-content: flex-end; }
    .footer-social-link { width: 40px; height: 40px; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; transition: border-color 0.3s ease, background 0.3s ease; }
    .footer-social-link:hover { border-color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08); }
    .footer-social-link svg { width: 16px; height: 16px; fill: var(--text-muted); transition: fill 0.3s ease; }
    .footer-social-link:hover svg { fill: var(--accent); }
    .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .footer-copy { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
    .footer-legal { display: flex; gap: 24px; }
    .footer-legal a { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); transition: color 0.3s ease; }
    .footer-legal a:hover { color: var(--accent); }

    /* ============================================================
       ABOUT PHOTO — EDITORIAL B&W
    ============================================================ */
    .about-photo-wrap {
      position: relative;
      border: 1px solid var(--border);
      overflow: hidden;
      max-height: 480px;
    }
    .about-photo-img {
      width: 100%;
      max-height: 480px;
      object-fit: cover;
      object-position: center top;
      display: block;
      filter: grayscale(100%) contrast(1.18) brightness(0.88) sepia(8%);
    }
    .about-photo-wrap::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, transparent 55%, rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.12) 100%);
      pointer-events: none;
    }
    .about-photo-caption {
      font-family: var(--font-mono);
      font-size: 0.6rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--text-muted);
      padding: 12px 0 0;
    }

    /* ============================================================
       FOOTER THEME SWITCHER
    ============================================================ */
    .footer-theme-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 28px;
      padding: 20px 0;
      border-top: 1px solid var(--border);
      margin-bottom: 32px;
    }
    .footer-switch-label {
      font-family: var(--font-mono);
      font-size: 0.55rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--text-muted);
    }
    .footer-scheme-group, .footer-variant-group { display: flex; align-items: center; gap: 10px; }
    .footer-divider { width: 1px; height: 22px; background: var(--border); }
    .scheme-btn {
      font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em;
      text-transform: uppercase; padding: 7px 16px;
      border: 1px solid var(--border); background: transparent; color: var(--text-muted);
      cursor: pointer; transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
    }
    .scheme-btn:hover { border-color: var(--accent); color: var(--text); }
    .scheme-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(var(--accent-r), var(--accent-g), var(--accent-b), 0.08); }
    .variant-toggle { display: flex; border: 1px solid var(--border); overflow: hidden; }
    .variant-btn {
      font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em;
      text-transform: uppercase; padding: 7px 16px;
      background: transparent; color: var(--text-muted);
      cursor: pointer; transition: background 0.25s ease, color 0.25s ease; border: none;
    }
    .variant-btn + .variant-btn { border-left: 1px solid var(--border); }
    .variant-btn.active { background: var(--accent); color: var(--bg); }

    /* ============================================================
       UTILITIES — PRICE UNIT / SECTION MODIFIERS
    ============================================================ */
    .price-unit { font-size: 1.4rem; color: var(--text-muted); }
    .section-subline.full-width { margin: 0; max-width: 100%; }
    .about-quote-block + .about-quote-block { margin-top: 16px; }

    /* ============================================================
       NEXT STEPS (CONTACT)
    ============================================================ */
    .next-steps { margin-top: 40px; }
    .next-steps-label { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 16px; }
    .next-steps-list { display: flex; flex-direction: column; gap: 16px; }
    .next-step { display: flex; gap: 16px; align-items: flex-start; }
    .next-step-num { font-family: var(--font-display); font-size: 1.3rem; color: var(--accent); flex-shrink: 0; line-height: 1.3; }
    .next-step-title { font-size: 0.95rem; color: var(--text); font-weight: 500; margin-bottom: 4px; }
    .next-step-desc { font-size: 0.88rem; color: var(--text-muted); font-weight: 300; line-height: 1.6; }
    .footer-connect-label { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 12px; }

    /* ============================================================
       B&W SCHEME — SEMANTIC COLOR OVERRIDES
    ============================================================ */

    /* ============================================================
       RESPONSIVE
    ============================================================ */
    @media (max-width: 1024px) {
      .container { padding: 0 32px; }
      .hero-inner { grid-template-columns: 1fr; gap: 40px; min-height: unset; }
      .hero-spline-wrapper { min-height: 380px; }
      .diff-grid { grid-template-columns: 1fr; gap: 0; }
      .diff-divider { display: none; }
      .diff-column-not { order: 1; }
      .diff-column-is  { order: 2; margin-top: 32px; }
      .services-header { grid-template-columns: 1fr; gap: 32px; }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps { grid-template-columns: repeat(2, 1fr); gap: 60px 40px; }
      .process-steps::before { display: none; }
      .promise-comparison { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
      .promise-center { flex-direction: row; padding: 20px 0; }
      .promise-vline { width: 60px; height: 1px; }
      .about-grid { grid-template-columns: 1fr; gap: 60px; }
      .about-photo-placeholder { max-height: 340px; aspect-ratio: unset; height: 340px; }
      .testimonials-grid { grid-template-columns: 1fr 1fr; }
      .pricing-grid { grid-template-columns: 1fr; gap: 24px; max-width: 480px; margin: 0 auto; }
      .contact-grid { grid-template-columns: 1fr; gap: 60px; }
      .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
      .footer-social { justify-content: flex-start; }
    }
    @media (max-width: 640px) {
      .container { padding: 0 20px; }
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .nav-hamburger { display: flex; }
      #hero { padding: 70px 0 40px; }
      .hero-10x { gap: 20px; }
      .hero-ctas { flex-direction: column; }
      .btn-primary, .btn-outline { text-align: center; }
      .hero-spline-wrapper { min-height: 280px; }
      .section-headline { font-size: clamp(2.2rem, 8vw, 3rem); }
      .services-grid { grid-template-columns: 1fr; }
      .process-steps { grid-template-columns: 1fr; gap: 40px; }
      .form-row { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; gap: 32px; }
      .footer-nav { grid-template-columns: repeat(2, 1fr); }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
    }

    /* ============================================================
       EXPLAINER SECTION
       ============================================================ */
    .explainer-section {
        background: var(--bg-alt);
        padding: 48px 0 40px;
    }

    .explainer-section .section-headline {
        margin-bottom: 12px;
    }

    .explainer-section .section-subline {
        margin-bottom: 48px;
        color: #b0bfce;
        font-size: 1.15rem;
    }

    /* ── Tab navigation ─────────────────────────────────────── */
    .exp-tabs {
        display: flex;
        justify-content: center;
        gap: 0;
        border-bottom: 1px solid var(--border);
        margin-bottom: 52px;
    }

    .exp-tab-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        padding: 14px 36px 16px;
        background: none;
        border: none;
        border-bottom: 3px solid transparent;
        cursor: pointer;
        transition: border-color 0.22s, color 0.22s;
        margin-bottom: -1px;
        position: relative;
    }

    .exp-tab-icon {
        font-size: 20px;
        line-height: 1;
        opacity: 0.55;
        transition: opacity 0.22s;
    }

    .exp-tab-label {
        font-family: var(--font-mono);
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--text-muted);
        transition: color 0.22s;
    }

    .exp-tab-btn.active {
        border-bottom-color: #ffc855;
    }

    .exp-tab-btn.active .exp-tab-icon {
        opacity: 1;
    }

    .exp-tab-btn.active .exp-tab-label {
        color: #ffd070;
    }

    .exp-tab-btn:not(.active):hover .exp-tab-label {
        color: #a0b0c4;
    }

    .exp-tab-btn:not(.active):hover .exp-tab-icon {
        opacity: 0.75;
    }

    /* ── Tab panels ─────────────────────────────────────────── */
    .exp-tab-panel {
        display: none;
    }

    .exp-tab-panel.active {
        display: block;
    }

    /* ── Stage grid ─────────────────────────────────────────── */
    .explainer-stage {
        display: grid;
        grid-template-columns: 1fr 56px 1fr;
        max-width: 1100px;
        margin: 0 auto;
        align-items: start;
    }

    /* ── Panels ──────────────────────────────────────────────── */
    .exp-panel {
        border-radius: 6px;
        overflow: hidden;
        border: 1px solid rgba(255,255,255,0.07);
    }

    .exp-panel--human {
        border-color: rgba(255, 100, 100, 0.22);
    }

    .exp-panel--ai {
        border-color: rgba(245, 166, 35, 0.30);
    }

    /* ── Badges ──────────────────────────────────────────────── */
    .exp-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-family: var(--font-mono);
        font-size: 9px;
        font-weight: 700;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        padding: 5px 12px;
        margin: 14px 0 0 14px;
        border-radius: 3px;
    }

    .exp-badge--human {
        color: #ff9090;
        background: rgba(255, 80, 80, 0.12);
        border: 1px solid rgba(255, 100, 100, 0.25);
    }

    .exp-badge--ai {
        color: #ffd070;
        background: rgba(245, 166, 35, 0.10);
        border: 1px solid rgba(245, 166, 35, 0.28);
    }

    /* ── Scene ───────────────────────────────────────────────── */
    .exp-scene {
        position: relative;
        height: 320px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }

    /* ── Environment backgrounds ─────────────────────────────── */
    .env-bg {
        position: absolute;
        inset: 0;
        z-index: 0;
    }

    .env-admin {
        background: linear-gradient(180deg, #f5ede0, #e8d5bc);
    }

    .env-accounting {
        background: linear-gradient(180deg, #0d1828, #08101e);
    }

    .env-legal {
        background: linear-gradient(180deg, #2a1c10, #1a1008);
    }

    .env-ai {
        background: linear-gradient(180deg, #04081a, #020510);
    }

    .env-ai::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
            linear-gradient(rgba(245,166,35,0.06) 1px, transparent 1px),
            linear-gradient(90deg, rgba(245,166,35,0.06) 1px, transparent 1px);
        background-size: 28px 28px;
        z-index: 0;
    }

    .env-ai::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 260px;
        height: 220px;
        background: radial-gradient(ellipse at 50% 80%, rgba(245,166,35,0.13) 0%, transparent 68%);
        z-index: 0;
        pointer-events: none;
    }

    /* ── Characters ──────────────────────────────────────────── */
    .exp-character {
        width: 150px;
        z-index: 1;
        position: relative;
    }

    /* ── Human animations ────────────────────────────────────── */
    @keyframes human-droop {
        0%   { transform: translateY(0px) rotate(0deg); }
        40%  { transform: translateY(5px) rotate(1.8deg); }
        75%  { transform: translateY(3px) rotate(-1deg); }
        100% { transform: translateY(0px) rotate(0deg); }
    }

    .char-human {
        animation: human-droop 4.5s ease-in-out infinite;
        transform-origin: 50% 92%;
    }

    @keyframes steam-rise {
        0%   { opacity: 0.7; transform: translateY(0) scaleX(1); }
        50%  { opacity: 0.4; transform: translateY(-10px) scaleX(1.3); }
        100% { opacity: 0;   transform: translateY(-22px) scaleX(0.8); }
    }

    .steam.s1 {
        animation: steam-rise 2.2s ease-out infinite 0s;
    }

    .steam.s2 {
        animation: steam-rise 2.2s ease-out infinite 1.1s;
    }

    @keyframes sweat-fall {
        0%   { opacity: 0; transform: translateY(-4px); }
        20%  { opacity: 0.85; }
        100% { opacity: 0; transform: translateY(14px); }
    }

    .sweat.s1 {
        animation: sweat-fall 2.8s ease-in infinite 0.4s;
    }

    .sweat.s2 {
        animation: sweat-fall 2.8s ease-in infinite 1.6s;
    }

    @keyframes glasses-glint {
        0%, 80%, 100% { opacity: 0; }
        85%            { opacity: 0.8; }
    }

    @keyframes doc-rustle {
        0%   { transform: rotate(-2deg); }
        50%  { transform: rotate(2deg); }
        100% { transform: rotate(-2deg); }
    }

    .doc-held {
        animation: doc-rustle 3.2s ease-in-out infinite;
        transform-origin: 50% 30%;
    }

    /* ── AI animations ───────────────────────────────────────── */
    @keyframes ai-bounce {
        0%   { transform: translateY(0px); }
        50%  { transform: translateY(-7px); }
        100% { transform: translateY(0px); }
    }

    .char-ai {
        animation: ai-bounce 2.2s ease-in-out infinite;
    }

    @keyframes visor-pulse {
        0%, 100% { filter: drop-shadow(0 0 3px rgba(245,166,35,0.6)); }
        50%       { filter: drop-shadow(0 0 14px rgba(245,166,35,0.95)); }
    }

    .ai-visor {
        animation: visor-pulse 2.2s ease-in-out infinite;
    }

    @keyframes eye-pulse {
        0%, 100% { opacity: 0.85; }
        50%       { opacity: 1; filter: drop-shadow(0 0 4px #ffd070); }
    }

    .ai-eye {
        animation: eye-pulse 2.2s ease-in-out infinite;
    }

    @keyframes energy-radiate {
        0%   { opacity: 0;    transform: translateY(0px)   scale(1); }
        30%  { opacity: 0.9; }
        100% { opacity: 0;    transform: translateY(-10px) scale(1.25); }
    }

    .el-1 { animation: energy-radiate 2.1s ease-out infinite 0s; }
    .el-2 { animation: energy-radiate 2.1s ease-out infinite 0.7s; }
    .el-3 { animation: energy-radiate 2.1s ease-out infinite 1.4s; }

    /* ── Floating elements ───────────────────────────────────── */
    .stress-el,
    .success-el {
        position: absolute;
        z-index: 2;
        pointer-events: none;
    }

    .work-tag {
        position: absolute;
        z-index: 2;
        font-family: var(--font-mono);
        font-size: 9px;
        font-weight: 600;
        color: #c0ccd8;
        background: rgba(10, 14, 22, 0.82);
        border: 1px solid rgba(160, 180, 210, 0.18);
        border-radius: 3px;
        padding: 4px 8px;
        white-space: nowrap;
        pointer-events: none;
    }

    @keyframes wt-float-1 {
        0%   { opacity: 0;   transform: translate(0px, 0px) rotate(-2deg); }
        15%  { opacity: 1; }
        100% { opacity: 0;   transform: translate(-18px, -55px) rotate(5deg); }
    }

    @keyframes wt-float-2 {
        0%   { opacity: 0;   transform: translate(0px, 0px) rotate(3deg); }
        15%  { opacity: 1; }
        100% { opacity: 0;   transform: translate(22px, -60px) rotate(-4deg); }
    }

    @keyframes wt-float-3 {
        0%   { opacity: 0;   transform: translate(0px, 0px) rotate(-1deg); }
        15%  { opacity: 1; }
        100% { opacity: 0;   transform: translate(-8px, -50px) rotate(6deg); }
    }

    @keyframes wt-float-4 {
        0%   { opacity: 0;   transform: translate(0px, 0px) rotate(2deg); }
        15%  { opacity: 1; }
        100% { opacity: 0;   transform: translate(14px, -58px) rotate(-6deg); }
    }

    .wt-1 { top: 22%;  left: 8%;   animation: wt-float-1 3.8s ease-out infinite 0s; }
    .wt-2 { top: 15%;  right: 10%; animation: wt-float-2 4.2s ease-out infinite 1.2s; }
    .wt-3 { top: 38%;  left: 5%;   animation: wt-float-3 3.5s ease-out infinite 2.1s; }
    .wt-4 { top: 50%;  right: 6%;  animation: wt-float-4 4.0s ease-out infinite 0.6s; }

    @keyframes money-fly {
        0%   { opacity: 0;   transform: translate(0, 0) scale(0.8); }
        20%  { opacity: 1; }
        100% { opacity: 0;   transform: translate(var(--mx, 20px), -50px) scale(1.3); }
    }

    .se-m1 {
        font-size: 18px;
        top: 30%;
        left: 12%;
        --mx: -15px;
        animation: money-fly 3.4s ease-out infinite 0.3s;
    }

    .se-m2 {
        font-size: 18px;
        top: 40%;
        right: 14%;
        --mx: 18px;
        animation: money-fly 3.4s ease-out infinite 1.7s;
    }

    @keyframes check-pop {
        0%   { opacity: 0; transform: scale(0.5) translateY(6px); }
        25%  { opacity: 1; transform: scale(1.15) translateY(0); }
        70%  { opacity: 1; transform: scale(1) translateY(-4px); }
        100% { opacity: 0; transform: scale(0.9) translateY(-12px); }
    }

    .se-c1 {
        font-family: var(--font-mono);
        font-size: 15px;
        font-weight: 900;
        color: #5aed8a;
        top: 20%;
        left: 10%;
        animation: check-pop 2.6s ease-out infinite 0s;
    }

    .se-c2 {
        font-family: var(--font-mono);
        font-size: 15px;
        font-weight: 900;
        color: #5aed8a;
        top: 30%;
        right: 12%;
        animation: check-pop 2.6s ease-out infinite 0.9s;
    }

    .se-c3 {
        font-family: var(--font-mono);
        font-size: 15px;
        font-weight: 900;
        color: #5aed8a;
        top: 48%;
        left: 18%;
        animation: check-pop 2.6s ease-out infinite 1.8s;
    }

    @keyframes star-sparkle {
        0%   { opacity: 0; transform: scale(0.6) rotate(0deg); }
        30%  { opacity: 1; transform: scale(1.2) rotate(20deg); }
        70%  { opacity: 0.8; transform: scale(1) rotate(35deg); }
        100% { opacity: 0; transform: scale(0.7) rotate(60deg); }
    }

    .se-s1 {
        font-size: 16px;
        color: #ffc855;
        top: 55%;
        right: 10%;
        animation: star-sparkle 3.0s ease-in-out infinite 0.5s;
    }

    /* ── Annotation tags ──────────────────────────────────────── */
    .exp-annotation {
        position: absolute;
        bottom: 8px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.75);
        border: 1px solid rgba(255, 255, 255, 0.18);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        border-radius: 4px;
        padding: 7px 14px 8px;
        text-align: center;
        white-space: nowrap;
        z-index: 4;
    }

    .ann-name {
        display: block;
        font-family: var(--font-mono);
        font-size: 11px;
        font-weight: 700;
        color: #ffffff;
        letter-spacing: 0.04em;
    }

    .ann-role {
        display: block;
        font-family: var(--font-mono);
        font-size: 9px;
        color: #b0c0d8;
        letter-spacing: 0.06em;
        margin-top: 2px;
    }

    .ann-cost {
        display: block;
        font-family: var(--font-mono);
        font-size: 11px;
        font-weight: 700;
        margin-top: 4px;
    }

    .ann-cost--human {
        color: #ff9090;
    }

    .ann-cost--ai {
        color: #ffd070;
    }

    /* ── Status badges ───────────────────────────────────────── */
    .status-badge {
        position: absolute;
        font-family: var(--font-mono);
        font-size: 10px;
        font-weight: 600;
        opacity: 0;
        pointer-events: none;
        border-radius: 3px;
        padding: 4px 9px;
        white-space: nowrap;
        z-index: 3;
    }

    .status-badge--human {
        background: rgba(8, 6, 10, 0.92);
        border: 1px solid rgba(255, 80, 80, 0.55);
        color: #ff8888;
    }

    .status-badge--ai {
        background: rgba(180, 120, 0, 0.18);
        border: 1px solid rgba(245, 166, 35, 0.30);
        color: #ffd070;
    }

    .sb-sick     { top: 10%; left: 4%; }
    .sb-overtime { top: 10%; right: 4%; }
    .sb-burnout  { top: 26%; left: 4%; }
    .sb-hours    { top: 10%; right: 4%; }
    .sb-tasks    { top: 26%; right: 4%; }
    .sb-happy    { top: 26%; left: 4%; }

    @keyframes badge-cycle {
        0%   { opacity: 0; transform: translateY(5px); }
        12%  { opacity: 1; transform: translateY(0); }
        82%  { opacity: 1; transform: translateY(0); }
        100% { opacity: 0; transform: translateY(5px); }
    }

    /* ── AI counters ─────────────────────────────────────────── */
    .ai-counters {
        display: flex;
        flex-direction: row;
        gap: 12px;
        margin-bottom: 14px;
        z-index: 3;
        position: relative;
        padding: 0 14px;
        padding-top: 12px;
    }

    .ai-counter {
        flex: 1;
        background: rgba(245, 166, 35, 0.07);
        border: 1px solid rgba(245, 166, 35, 0.22);
        border-radius: 4px;
        padding: 10px 14px;
        text-align: center;
    }

    .ai-counter-icon {
        font-size: 15px;
        line-height: 1;
        display: block;
        margin-bottom: 3px;
    }

    .ai-counter-value {
        display: block;
        font-family: var(--font-mono);
        font-size: 20px;
        font-weight: 700;
        color: #ffd070;
        letter-spacing: -0.02em;
    }

    .ai-counter-label {
        display: block;
        font-family: var(--font-mono);
        font-size: 8px;
        font-weight: 500;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        color: #7090b0;
        margin-top: 2px;
    }

    /* ── Task feed ───────────────────────────────────────────── */
    .ai-task-feed {
        margin-top: 12px;
        z-index: 3;
        position: relative;
        padding: 0 14px 14px;
    }

    .ai-task-feed-label {
        font-family: var(--font-mono);
        font-size: 9px;
        font-weight: 600;
        letter-spacing: 0.18em;
        text-transform: uppercase;
        color: #506080;
        margin-bottom: 8px;
        padding-bottom: 5px;
        border-bottom: 1px solid rgba(245, 166, 35, 0.18);
    }

    .task-feed-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 5px;
        max-height: 90px;
        overflow: hidden;
    }

    .task-feed-item {
        display: flex;
        align-items: baseline;
        gap: 8px;
        font-family: var(--font-mono);
        font-size: 10px;
        opacity: 0;
        transform: translateY(4px);
        transition: opacity 0.5s ease, transform 0.5s ease;
    }

    .task-feed-item.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .task-feed-check {
        color: #5aed8a;
        font-size: 13px;
        font-weight: 900;
        flex-shrink: 0;
    }

    .task-feed-time {
        color: #445566;
        font-size: 9px;
        flex-shrink: 0;
    }

    .task-feed-text {
        color: #c0d0e8;
        line-height: 1.4;
    }

    /* ── Divider ─────────────────────────────────────────────── */
    .exp-divider {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding-top: 90px;
    }

    .exp-arrow {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

    .exp-arrow-line {
        width: 2px;
        height: 65px;
        background: linear-gradient(180deg, transparent, #ffc855 40%, #ffa820);
        border-radius: 1px;
    }

    .exp-arrow-label {
        font-family: var(--font-mono);
        font-size: 8px;
        font-weight: 700;
        color: #ffc855;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        writing-mode: vertical-rl;
        text-orientation: mixed;
    }

    @keyframes arrow-pulse {
        0%, 100% { opacity: 0.7; transform: scale(1); }
        50%       { opacity: 1;   transform: scale(1.18); }
    }

    .exp-arrow-head {
        font-size: 24px;
        color: #ffc855;
        line-height: 1;
        animation: arrow-pulse 1.6s ease-in-out infinite;
    }

    /* ── Captions ────────────────────────────────────────────── */
    .exp-caption {
        text-align: center;
        padding: 18px 10px 4px;
    }

    .exp-caption h3 {
        font-family: var(--font-display);
        font-size: 22px;
        letter-spacing: 0.06em;
        color: #ffffff;
        margin: 0 0 6px;
        text-transform: uppercase;
    }

    .exp-caption p {
        font-family: var(--font-body);
        font-size: 16px;
        color: #d0dae8;
        margin: 0;
        line-height: 1.55;
    }

    /* ── Responsive ──────────────────────────────────────────── */
    @media (max-width: 960px) {
        .explainer-stage {
            grid-template-columns: 1fr;
            grid-template-rows: auto auto auto;
            max-width: 480px;
        }

        .exp-divider {
            flex-direction: row;
            padding-top: 0;
            padding: 14px 0;
            justify-content: center;
            gap: 10px;
        }

        .exp-arrow {
            flex-direction: row;
            gap: 8px;
        }

        .exp-arrow-line {
            width: 65px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #ffc855 40%, #ffa820);
        }

        .exp-arrow-label {
            writing-mode: horizontal-tb;
        }
    }

    @media (max-width: 560px) {
        .exp-tabs {
            gap: 0;
        }

        .exp-tab-btn {
            padding: 10px 18px 12px;
        }

        .exp-tab-icon {
            font-size: 16px;
        }

        .exp-tab-label {
            font-size: 9px;
        }
    }