@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&family=Inter:wght@300;400;500;600&display=swap');

  :root {
    --bg: #0a0c10;
    --bg2: #0f1218;
    --bg3: #141820;
    --surface: #1a1f2e;
    --surface2: #222838;
    --border: rgba(255,255,255,0.07);
    --border2: rgba(255,255,255,0.12);
    --accent: #ff3c00;
    --accent2: #ff6b35;
    --accent-glow: rgba(255,60,0,0.15);
    --accent-glow2: rgba(255,60,0,0.06);
    --green: #00e5a0;
    --green-dim: rgba(0,229,160,0.15);
    --yellow: #ffd60a;
    --text: #f0f2f7;
    --text2: #8892a4;
    --text3: #5a6478;
    --mono: 'Space Mono', monospace;
    --sans: 'Space Grotesk', sans-serif;
    --inter: 'Inter', sans-serif;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* ─── NAV ─── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 64px;
    background: rgba(10,12,16,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
  }

  .logo-mark {
    width: 32px;
    height: 32px;
    position: relative;
  }

  .logo-text {
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text);
  }

  .logo-text span {
    color: var(--accent);
  }

  .nav-badge {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.15em;
    color: var(--text3);
    text-transform: uppercase;
    margin-left: 2px;
    padding: 2px 6px;
    border: 1px solid var(--border2);
    border-radius: 3px;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
  }

  .nav-links a {
    font-size: 13px;
    font-weight: 500;
    color: var(--text2);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--text); }

  .nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .btn-ghost {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text2);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--border2);
    border-radius: 4px;
    transition: all 0.2s;
  }

  .btn-ghost:hover {
    color: var(--text);
    border-color: var(--text3);
  }

  .btn-primary {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    text-decoration: none;
    padding: 8px 20px;
    background: var(--accent);
    border-radius: 4px;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
  }

  .btn-primary:hover {
    background: var(--accent2);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(255,60,0,0.3);
  }

  /* ─── HERO ─── */
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px 48px 80px;
    position: relative;
    overflow: hidden;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 60% 50% at 70% 50%, rgba(255,60,0,0.08) 0%, transparent 70%),
      radial-gradient(ellipse 40% 60% at 20% 80%, rgba(0,229,160,0.04) 0%, transparent 60%);
  }

  .hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  }

  .hero-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .hero-label {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .hero-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background: var(--accent);
  }

  .hero-title {
    font-family: var(--sans);
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 24px;
  }

  .hero-title .line-accent {
    color: var(--accent);
    display: block;
  }

  .hero-title .line-dim {
    color: var(--text2);
    font-weight: 300;
  }

  .hero-desc {
    font-size: 16px;
    font-weight: 400;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 480px;
  }

  .hero-desc strong {
    color: var(--text);
    font-weight: 500;
  }

  .hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .btn-hero {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    text-decoration: none;
    padding: 14px 28px;
    background: var(--accent);
    border-radius: 4px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
  }

  .btn-hero:hover {
    background: var(--accent2);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255,60,0,0.35);
  }

  .btn-hero-outline {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text2);
    text-decoration: none;
    padding: 14px 28px;
    border: 1px solid var(--border2);
    border-radius: 4px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .btn-hero-outline:hover {
    color: var(--text);
    border-color: var(--text3);
  }

  .hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
  }

  .hero-stat-num {
    font-family: var(--mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
  }

  .hero-stat-num span {
    color: var(--accent);
  }

  .hero-stat-label {
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.05em;
    margin-top: 4px;
    text-transform: uppercase;
  }

  /* ─── HERO RIGHT — Terminal ─── */
  .hero-terminal {
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,60,0,0.1);
  }

  .terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--bg3);
    border-bottom: 1px solid var(--border);
  }

  .terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
  }

  .terminal-dot.red { background: #ff5f57; }
  .terminal-dot.yellow { background: #febc2e; }
  .terminal-dot.green { background: #28c840; }

  .terminal-title {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    margin-left: 8px;
    letter-spacing: 0.05em;
  }

  .terminal-body {
    padding: 24px;
    font-family: var(--mono);
    font-size: 12px;
    line-height: 1.8;
  }

  .t-prompt { color: var(--green); }
  .t-cmd { color: var(--text); }
  .t-comment { color: var(--text3); }
  .t-success { color: var(--green); }
  .t-error { color: var(--accent); }
  .t-info { color: #7eb8f7; }
  .t-warn { color: var(--yellow); }
  .t-dim { color: var(--text3); }

  .t-line {
    display: flex;
    gap: 8px;
    margin-bottom: 2px;
  }

  .t-cursor {
    display: inline-block;
    width: 8px;
    height: 14px;
    background: var(--green);
    animation: blink 1s step-end infinite;
    vertical-align: middle;
    margin-left: 2px;
  }

  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
  }

  .terminal-divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
  }

  /* ─── STATUS BADGES ─── */
  .status-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 16px;
  }

  .status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
  }

  .status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .status-dot.ok { background: var(--green); box-shadow: 0 0 6px var(--green); }
  .status-dot.warn { background: var(--yellow); }
  .status-dot.err { background: var(--accent); }

  .status-badge-text {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text2);
  }

  .status-badge-val {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text);
    margin-left: auto;
  }

  /* ─── SECTION COMMON ─── */
  section {
    padding: 100px 48px;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
  }

  .section-label {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .section-label::before {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--accent);
  }

  .section-title {
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--text);
    margin-bottom: 16px;
  }

  .section-desc {
    font-size: 16px;
    color: var(--text2);
    line-height: 1.7;
    max-width: 600px;
  }

  /* ─── TICKER ─── */
  .ticker-wrap {
    background: var(--accent);
    padding: 12px 0;
    overflow: hidden;
    white-space: nowrap;
  }

  .ticker-inner {
    display: inline-flex;
    gap: 0;
    animation: ticker 30s linear infinite;
  }

  .ticker-item {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #fff;
    padding: 0 40px;
    text-transform: uppercase;
  }

  .ticker-sep {
    color: rgba(255,255,255,0.4);
    padding: 0 8px;
  }

  @keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* ─── ENVIRONMENTS ─── */
  .env-section {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .env-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 60px;
  }

  .env-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
  }

  .env-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    padding: 36px 32px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
  }

  .env-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s;
    transform-origin: left;
  }

  .env-card:hover::before,
  .env-card.active::before {
    transform: scaleX(1);
  }

  .env-card:hover,
  .env-card.active {
    background: var(--surface);
    border-color: rgba(255,60,0,0.2);
  }

  .env-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 20px;
    color: #4a9eff;
    transition: color 0.3s;
  }

  .env-card:hover .env-icon,
  .env-card.active .env-icon {
    color: var(--accent);
  }

  .env-name {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text);
    margin-bottom: 8px;
  }

  .env-desc {
    font-size: 13px;
    color: var(--text3);
    line-height: 1.6;
    margin-bottom: 20px;
  }

  .env-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .env-tag {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.05em;
    color: #4a9eff;
    padding: 3px 8px;
    border: 1px solid rgba(74,158,255,0.35);
    border-radius: 3px;
    transition: all 0.2s;
  }

  .env-card:hover .env-tag,
  .env-card.active .env-tag {
    color: var(--accent);
    border-color: rgba(255,60,0,0.3);
  }

  /* ─── FEATURES GRID ─── */
  .features-section {
    background: var(--bg);
  }

  .features-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 60px;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
  }

  .feature-cell {
    background: var(--bg);
    padding: 32px 28px;
    position: relative;
    transition: background 0.2s;
  }

  .feature-cell:hover {
    background: var(--surface);
  }

  .feature-num {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
  }

  .feature-icon-wrap {
    width: 40px;
    height: 40px;
    background: rgba(74,158,255,0.08);
    border: 1px solid rgba(74,158,255,0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: #4a9eff;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
  }

  .feature-cell:hover .feature-icon-wrap {
    background: var(--accent-glow2);
    border-color: rgba(255,60,0,0.25);
    color: var(--accent);
  }

  .feature-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.3;
  }

  .feature-desc {
    font-size: 12px;
    color: var(--text3);
    line-height: 1.6;
  }

  /* ─── SPHERECYBERX ─── */
  .sphere-section {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .sphere-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }

  .sphere-diagram {
    position: relative;
    aspect-ratio: 1;
    max-width: 480px;
  }

  .sphere-rings {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
  }

  .sphere-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .ring-1 {
    inset: 0;
    border-color: rgba(255,60,0,0.2);
    background: rgba(255,60,0,0.02);
  }

  .ring-2 {
    inset: 12%;
    border-color: rgba(255,60,0,0.3);
    background: rgba(255,60,0,0.03);
  }

  .ring-3 {
    inset: 24%;
    border-color: rgba(255,60,0,0.4);
    background: rgba(255,60,0,0.05);
  }

  .ring-4 {
    inset: 36%;
    border-color: rgba(255,60,0,0.6);
    background: rgba(255,60,0,0.08);
  }

  .ring-center {
    inset: 42%;
    border-color: var(--accent);
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .ring-center-text {
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent);
    text-align: center;
    line-height: 1.3;
  }

  .ring-label {
    position: absolute;
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.08em;
    color: var(--text3);
    text-transform: uppercase;
    white-space: nowrap;
  }

  .ring-label-1 { top: 2%; left: 50%; transform: translateX(-50%); color: var(--text2); font-size: 10px; }
  .ring-label-2 { top: 14%; left: 50%; transform: translateX(-50%); }
  .ring-label-3 { top: 26%; left: 50%; transform: translateX(-50%); }
  .ring-label-4 { top: 38%; left: 50%; transform: translateX(-50%); }

  .sphere-tiers {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
  }

  .tier-card {
    padding: 20px 24px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg3);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all 0.2s;
  }

  .tier-card:hover {
    border-color: rgba(255,60,0,0.3);
    background: var(--surface);
  }

  .tier-badge {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 2px;
  }

  .tier-badge.t1 { background: rgba(0,229,160,0.1); color: var(--green); border: 1px solid rgba(0,229,160,0.2); }
  .tier-badge.t2 { background: rgba(126,184,247,0.1); color: #7eb8f7; border: 1px solid rgba(126,184,247,0.2); }
  .tier-badge.t3 { background: rgba(255,60,0,0.1); color: var(--accent); border: 1px solid rgba(255,60,0,0.2); }

  .tier-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
  }

  .tier-desc {
    font-size: 12px;
    color: var(--text3);
    line-height: 1.5;
  }

  /* ─── KALKULATOR ─── */
  .calc-section {
    background: var(--bg);
  }

  .calc-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }

  .calc-box {
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 12px;
    overflow: hidden;
  }

  .calc-header {
    padding: 20px 28px;
    background: var(--bg3);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .calc-header-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-glow);
    border: 1px solid rgba(255,60,0,0.2);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
  }

  .calc-header-title {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text);
  }

  .calc-header-sub {
    font-size: 11px;
    color: var(--text3);
    margin-top: 2px;
  }

  .calc-body {
    padding: 28px;
  }

  .calc-label {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text3);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
  }

  .calc-env-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 24px;
  }

  .calc-env-btn {
    padding: 12px 16px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
  }

  .calc-env-btn:hover,
  .calc-env-btn.active {
    background: var(--surface);
    border-color: rgba(255,60,0,0.4);
  }

  .calc-env-btn.active {
    box-shadow: 0 0 0 1px rgba(255,60,0,0.3);
  }

  .calc-env-name {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
  }

  .calc-env-sub {
    font-size: 10px;
    color: var(--text3);
  }

  .calc-row {
    margin-bottom: 20px;
  }

  .calc-input-wrap {
    position: relative;
  }

  .calc-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
  }

  .calc-input:focus {
    border-color: rgba(255,60,0,0.5);
    box-shadow: 0 0 0 3px rgba(255,60,0,0.08);
  }

  .calc-input-unit {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    pointer-events: none;
  }

  .calc-slider {
    width: 100%;
    margin-top: 10px;
    accent-color: var(--accent);
  }

  .calc-slider-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text3);
    margin-top: 4px;
  }

  .calc-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    border: none;
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
  }

  .calc-btn:hover {
    background: var(--accent2);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(255,60,0,0.3);
  }

  .calc-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: none;
  }

  .calc-result.visible {
    display: block;
  }

  .calc-result-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--text3);
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .calc-result-main {
    font-family: var(--mono);
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
    margin-bottom: 4px;
  }

  .calc-result-main span {
    color: var(--accent);
  }

  .calc-result-sub {
    font-size: 12px;
    color: var(--text3);
    margin-bottom: 16px;
  }

  .calc-result-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .calc-bar-row {
    display: none !important;
  }

  .calc-bar-row-DISABLED {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .calc-bar-label {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text3);
    width: 80px;
    flex-shrink: 0;
  }

  .calc-bar-track {
    flex: 1;
    height: 4px;
    background: var(--border2);
    border-radius: 2px;
    overflow: hidden;
  }

  .calc-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s ease;
  }

  .calc-bar-fill.green { background: var(--green); }
  .calc-bar-fill.yellow { background: var(--yellow); }
  .calc-bar-fill.red { background: var(--accent); }

  .calc-bar-val {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text2);
    width: 50px;
    text-align: right;
    flex-shrink: 0;
  }

  .calc-right {
    padding-top: 20px;
  }

  .calc-right-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
  }

  .calc-right-desc {
    font-size: 15px;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: 32px;
  }

  .calc-matrix {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .matrix-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
  }

  .matrix-env {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    width: 140px;
    flex-shrink: 0;
  }

  .matrix-rec {
    font-size: 12px;
    color: var(--text2);
    flex: 1;
  }

  .matrix-badge {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 3px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .matrix-badge.essential { background: var(--green-dim); color: var(--green); }
  .matrix-badge.advanced { background: rgba(126,184,247,0.1); color: #7eb8f7; }
  .matrix-badge.critical { background: var(--accent-glow); color: var(--accent); }

  /* ─── COMPLIANCE ─── */
  .compliance-section {
    background: var(--bg2);
    border-top: 1px solid var(--border);
  }

  .compliance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 48px;
  }

  .compliance-card {
    padding: 24px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
    transition: all 0.2s;
  }

  .compliance-card:hover {
    border-color: rgba(255,60,0,0.2);
    background: var(--surface);
  }

  .compliance-logo {
    font-family: var(--mono);
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
  }

  .compliance-desc {
    font-size: 11px;
    color: var(--text3);
    line-height: 1.5;
  }

  /* ─── CTA ─── */
  .cta-section {
    background: var(--bg);
    text-align: center;
    padding: 120px 48px;
  }

  .cta-inner {
    max-width: 700px;
    margin: 0 auto;
  }

  .cta-label {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
  }

  .cta-title {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--text);
    margin-bottom: 20px;
  }

  .cta-desc {
    font-size: 16px;
    color: var(--text2);
    line-height: 1.7;
    margin-bottom: 40px;
  }

  .cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .cta-note {
    margin-top: 20px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.05em;
  }

  /* ─── FOOTER ─── */
  footer {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    padding: 60px 48px 32px;
  }

  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
  }

  .footer-brand-desc {
    font-size: 13px;
    color: var(--text3);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
  }

  .footer-col-title {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text2);
    text-transform: uppercase;
    margin-bottom: 20px;
  }

  .footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    font-size: 13px;
    color: var(--text3);
    text-decoration: none;
    transition: color 0.2s;
  }

  .footer-links a:hover { color: var(--text2); }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
  }

  .footer-copy {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.05em;
  }

  .footer-powered {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.05em;
  }

  .footer-powered span {
    color: var(--accent);
  }

  /* ─── SCROLLBAR ─── */
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--surface2); border-radius: 2px; }

  /* ─── FAQ ─── */
  .faq-section {
    background: var(--bg);
    border-top: 1px solid var(--border);
  }

  .faq-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 64px;
  }

  .faq-intro-note {
    font-size: 14px;
    color: var(--text3);
    line-height: 1.7;
    border-left: 2px solid rgba(255,60,0,0.3);
    padding-left: 20px;
  }

  .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-bottom: 48px;
  }

  .faq-item {
    background: var(--bg);
    padding: 0;
    transition: background 0.2s;
  }

  .faq-item:hover {
    background: var(--bg2);
  }

  .faq-q {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 28px 32px;
    cursor: pointer;
    list-style: none;
    user-select: none;
  }

  .faq-q::-webkit-details-marker { display: none; }

  .faq-q-num {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--accent);
    letter-spacing: 0.1em;
    flex-shrink: 0;
    margin-top: 3px;
    min-width: 28px;
  }

  .faq-q-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    flex: 1;
  }

  .faq-q-arrow {
    color: var(--text3);
    transition: transform 0.2s, color 0.2s;
    flex-shrink: 0;
    margin-top: 2px;
  }

  details[open] .faq-q-arrow {
    transform: rotate(90deg);
    color: var(--accent);
  }

  .faq-a {
    padding: 0 32px 28px 76px;
    font-size: 13px;
    color: var(--text2);
    line-height: 1.75;
  }

  .faq-a strong {
    color: var(--text);
    font-weight: 600;
  }

  .faq-a code {
    font-family: var(--mono);
    font-size: 11px;
    background: var(--surface);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--green);
  }

  .faq-a ul {
    margin: 10px 0 0 0;
    padding-left: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .faq-a ul li {
    color: var(--text2);
  }

  .faq-dd-box {
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 8px;
    padding: 20px 24px;
    margin-top: 16px;
  }

  .faq-dd-title {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text3);
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .faq-dd-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }

  .faq-dd-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .faq-dd-label {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text3);
    min-width: 120px;
    flex-shrink: 0;
    padding-top: 1px;
  }

  .faq-dd-val {
    font-size: 12px;
    color: var(--text2);
    line-height: 1.5;
  }

  .faq-dd-val strong {
    color: var(--text);
  }

  .faq-cta-row {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
  }

  .faq-cta-text {
    flex: 1;
  }

  .faq-cta-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
  }

  .faq-cta-sub {
    font-size: 13px;
    color: var(--text3);
  }

  /* ─── CONTACT SECTION ─── */
  .contact-section {
    padding: 120px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
  }

  .contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 64px;
    align-items: start;
  }

  .contact-desc {
    font-size: 15px;
    color: var(--text2);
    line-height: 1.75;
    margin-top: 20px;
    margin-bottom: 36px;
  }

  .contact-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
  }

  .contact-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.2s;
  }

  .contact-card:hover {
    border-color: var(--accent);
  }

  .contact-card-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 6px;
    color: var(--accent);
    flex-shrink: 0;
  }

  .contact-card-label {
    font-family: var(--mono);
    font-size: 9px;
    color: var(--text3);
    letter-spacing: 0.1em;
    margin-bottom: 2px;
  }

  .contact-card-val {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
  }

  .contact-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .contact-badge {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--green);
    background: var(--green-dim);
    border: 1px solid rgba(0,229,160,0.2);
    border-radius: 4px;
    padding: 4px 10px;
    letter-spacing: 0.05em;
  }

  /* ─── TERMINAL ─── */
  .contact-terminal {
    background: #0d1117;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(255,60,0,0.08), 0 24px 64px rgba(0,0,0,0.5);
    font-family: var(--mono);
  }

  .term-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: #161b22;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }

  .term-dots {
    display: flex;
    gap: 6px;
  }

  .term-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
  }

  .term-dot.red { background: #ff5f57; }
  .term-dot.yellow { background: #febc2e; }
  .term-dot.green { background: #28c840; }

  .term-title {
    flex: 1;
    font-size: 11px;
    color: var(--text3);
    letter-spacing: 0.05em;
    text-align: center;
  }

  .term-status {
    font-size: 9px;
    font-family: var(--mono);
    color: var(--green);
    background: var(--green-dim);
    border: 1px solid rgba(0,229,160,0.2);
    border-radius: 3px;
    padding: 2px 8px;
    letter-spacing: 0.1em;
  }

  .term-status.busy {
    color: var(--yellow);
    background: rgba(255,214,10,0.1);
    border-color: rgba(255,214,10,0.2);
  }

  .term-status.sent {
    color: var(--green);
    background: var(--green-dim);
    border-color: rgba(0,229,160,0.3);
  }

  .term-body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .term-line {
    font-size: 12px;
    line-height: 1.8;
    color: var(--text2);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .term-prompt {
    color: var(--accent);
    font-size: 10px;
  }

  .term-cmd {
    color: var(--green);
  }

  .term-comment {
    color: var(--text3);
    font-size: 11px;
  }

  .term-spacer {
    height: 8px;
  }

  .term-spacer-line {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
  }

  .term-key {
    font-size: 10px;
    color: var(--accent);
    letter-spacing: 0.1em;
    font-weight: 700;
  }

  .term-colon {
    color: var(--text3);
  }

  .term-field-block {
    margin-bottom: 14px;
  }

  .term-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    padding: 2px 0;
  }

  .term-textarea-row {
    align-items: flex-start;
  }

  .term-cursor-prefix {
    color: var(--green);
    font-size: 10px;
    flex-shrink: 0;
  }

  .term-input {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    color: var(--text);
    font-family: var(--mono);
    font-size: 12px;
    padding: 4px 0;
    outline: none;
    transition: border-color 0.2s;
    caret-color: var(--green);
  }

  .term-input:focus {
    border-bottom-color: var(--green);
  }

  .term-input::placeholder {
    color: var(--text3);
  }

  .term-textarea {
    resize: none;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 8px 10px;
    line-height: 1.6;
    min-height: 72px;
  }

  .term-textarea:focus {
    border-color: var(--green);
  }

  .term-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
    margin-left: 18px;
  }

  .term-chip {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text2);
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 0.03em;
  }

  .term-chip:hover {
    border-color: var(--accent);
    color: var(--accent);
  }

  .term-chip.selected {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
  }

  .term-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 6px;
    margin-left: 18px;
    cursor: pointer;
  }

  .term-checkbox {
    display: none;
  }

  .term-checkbox-custom {
    width: 14px;
    height: 14px;
    border: 1px solid var(--border2);
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 2px;
    position: relative;
    transition: all 0.15s;
  }

  .term-checkbox:checked + .term-checkbox-custom {
    background: var(--accent);
    border-color: var(--accent);
  }

  .term-checkbox:checked + .term-checkbox-custom::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 1px;
    width: 5px;
    height: 8px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
  }

  .term-checkbox-label {
    font-size: 10px;
    color: var(--text3);
    line-height: 1.6;
  }

  .term-submit-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 4px;
  }

  .term-submit-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s;
  }

  .term-submit-btn:hover {
    background: var(--accent2);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(255,60,0,0.3);
  }

  .term-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
  }

  .term-submit-icon {
    font-size: 10px;
  }

  .term-submit-hint {
    font-size: 10px;
    color: var(--text3);
    font-family: var(--mono);
  }

  .term-success {
    display: none;
    flex-direction: column;
    gap: 0;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
  }

  .term-success.visible {
    display: flex;
  }

  .term-ok {
    color: var(--green) !important;
    font-size: 13px !important;
    font-weight: 700;
  }

  .term-ok-icon {
    color: var(--green);
    font-size: 14px;
  }

  .term-progress-bar {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 12px;
    overflow: hidden;
  }

  .term-progress-fill {
    height: 100%;
    background: var(--green);
    border-radius: 2px;
    width: 0%;
    transition: width 2s ease;
  }

  .term-error-line {
    font-size: 11px;
    color: var(--accent);
    font-family: var(--mono);
    margin-top: 4px;
    margin-left: 18px;
    display: none;
  }

  .term-error-line.visible {
    display: block;
  }

  @media (max-width: 900px) {
    .contact-layout {
      grid-template-columns: 1fr;
      gap: 40px;
    }
  }

  /* ─── DOCS SECTION ─── */
  .docs-section {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 120px 0;
  }

  .docs-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 64px;
  }

  .docs-intro-note {
    font-size: 14px;
    color: var(--text3);
    line-height: 1.7;
    border-left: 2px solid rgba(255,60,0,0.3);
    padding-left: 20px;
  }

  .docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 48px;
  }

  .docs-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }

  .docs-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.2s;
  }

  .docs-card:hover {
    border-color: var(--border2);
    background: var(--surface2);
    transform: translateY(-2px);
  }

  .docs-card:hover::before {
    opacity: 1;
  }

  .docs-card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 10px;
    color: var(--accent);
    flex-shrink: 0;
  }

  .docs-card-type {
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text3);
    margin-bottom: 4px;
  }

  .docs-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 6px;
  }

  .docs-card-desc {
    font-size: 12px;
    color: var(--text3);
    line-height: 1.6;
    flex: 1;
  }

  .docs-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }

  .docs-card-badge {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    padding: 3px 8px;
    border-radius: 3px;
    font-weight: 700;
    text-transform: uppercase;
  }

  .docs-card-badge.pdf {
    background: rgba(255,60,0,0.12);
    color: var(--accent);
  }

  .docs-card-badge.link {
    background: rgba(74,158,255,0.12);
    color: #4a9eff;
  }

  .docs-card-badge.download {
    background: rgba(0,229,160,0.12);
    color: var(--green);
  }

  .docs-card-badge.new {
    background: rgba(255,214,10,0.12);
    color: var(--yellow);
  }

  .docs-card-arrow {
    color: var(--text3);
    font-size: 16px;
    transition: color 0.2s, transform 0.2s;
  }

  .docs-card:hover .docs-card-arrow {
    color: var(--accent);
    transform: translateX(3px);
  }

  .docs-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 48px;
  }

  .docs-highlight-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s;
  }

  .docs-highlight-card:hover {
    border-color: var(--accent);
  }

  .docs-highlight-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 12px;
    color: var(--accent);
    flex-shrink: 0;
    font-size: 22px;
  }

  .docs-highlight-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
  }

  .docs-highlight-desc {
    font-size: 13px;
    color: var(--text2);
    line-height: 1.65;
  }

  .docs-highlight-meta {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--text3);
    margin-top: 12px;
    letter-spacing: 0.05em;
  }

  .docs-compat-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 48px;
    font-size: 13px;
  }

  .docs-compat-table th {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text3);
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
  }

  .docs-compat-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text2);
    vertical-align: middle;
  }

  .docs-compat-table tr:hover td {
    background: var(--surface);
  }

  .docs-compat-check {
    color: var(--green);
    font-size: 14px;
  }

  .docs-compat-partial {
    color: var(--yellow);
    font-size: 14px;
  }

  .docs-compat-no {
    color: var(--text3);
    font-size: 14px;
  }

  .docs-section-title {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .docs-section-title::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--accent);
  }

  @media (max-width: 900px) {
    .docs-grid { grid-template-columns: 1fr; }
    .docs-highlight { grid-template-columns: 1fr; }
    .docs-intro { grid-template-columns: 1fr; gap: 32px; }
  }





/* === CLIENTS SECTION v2 === */
#clients {
    padding: 100px 0;
    background: #0d0f14;
    position: relative;
}
#clients::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74,158,255,0.3), transparent);
}
.clients-header {
    text-align: center;
    margin-bottom: 64px;
}
.clients-title {
    font-family: 'Share Tech Mono', monospace;
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0;
    white-space: nowrap;
    display: block;
}
.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}
@media (max-width: 900px) {
    .clients-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
}
.client-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    border: 1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.02);
    cursor: default;
    transition: background 0.25s ease, border-color 0.25s ease;
    min-height: 130px;
    position: relative;
    overflow: hidden;
}
.client-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(74,158,255,0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.client-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(74,158,255,0.25);
}
.client-card:hover::after { opacity: 1; }
.client-logo {
    max-width: 200px;
    max-height: 90px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: filter 0.35s ease, opacity 0.35s ease;
}
/* Ciemne logo (czarne/ciemne na przezroczystym tle) → invert do białego */
.logo-invert {
    filter: brightness(0) invert(1);
    opacity: 0.75;
}
.client-card:hover .logo-invert {
    filter: none;
    opacity: 1;
}
/* Kolorowe logo → grayscale+jasność, hover: oryginał */
.logo-color {
    filter: grayscale(1) brightness(1.8);
    opacity: 0.7;
}
.client-card:hover .logo-color {
    filter: none;
    opacity: 1;
}
/* Logo Zagłębie — okrągłe, ciemne — mniejszy brightness żeby nie przepalić */
.logo-zaglebie {
    filter: grayscale(1) brightness(1.0);
    opacity: 0.75;
}
.client-card:hover .logo-zaglebie {
    filter: none;
    opacity: 1;
}
/* Białe logo — zostaje białe, tylko opacity */
.logo-white {
    filter: brightness(0) invert(1);
    opacity: 0.75;
}
.client-card:hover .logo-white {
    filter: brightness(0) invert(1);
    opacity: 1;
}
/* === END CLIENTS SECTION v2 === */

/* ===================================================
   HAMBURGER MENU
=================================================== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border2);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================
   RESPONSIVE - TABLET (max-width: 1024px)
=================================================== */
@media (max-width: 1024px) {
  nav { padding: 0 24px; }
  .nav-links { gap: 20px; }
  .hero { padding: 100px 24px 60px; }
  section { padding: 80px 24px; }
  .hero-inner { gap: 48px; }
  .features-header { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .sphere-inner { gap: 48px; }
  .calc-wrap { gap: 40px; }
  .compliance-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* ===================================================
   RESPONSIVE - MOBILE (max-width: 768px)
=================================================== */
@media (max-width: 768px) {
  nav { padding: 0 20px; height: 60px; flex-wrap: wrap; position: fixed; }
  .nav-badge { display: none; }
  .nav-hamburger { display: flex; }
  .btn-ghost { display: none; }
  .nav-cta .btn-primary { display: none; }
  .nav-links {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: rgba(10,12,16,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 20px 24px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
  .nav-links li:last-child a { border-bottom: none; }
  .hero { padding: 80px 20px 60px; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: clamp(32px, 8vw, 48px); }
  .hero-desc { font-size: 15px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .btn-hero, .btn-hero-outline { width: 100%; justify-content: center; }
  .hero-terminal { width: 100%; }
  .terminal-body { padding: 16px; font-size: 11px; }
  .status-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 60px 20px; }
  .section-title { font-size: clamp(24px, 6vw, 36px); }
  .env-header { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 32px; }
  .env-grid { grid-template-columns: 1fr; }
  .env-card { padding: 24px 20px; }
  .features-header { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-cell { padding: 24px 20px; }
  .sphere-inner { grid-template-columns: 1fr; gap: 40px; }
  .sphere-diagram { max-width: 280px; margin: 0 auto; }
  .calc-wrap { grid-template-columns: 1fr; gap: 32px; }
  .calc-env-grid { grid-template-columns: 1fr 1fr; }
  .calc-right { padding-top: 0; }
  .calc-right-title { font-size: 22px; }
  .matrix-row { flex-wrap: wrap; gap: 8px; }
  .matrix-env { width: 100%; }
  .compliance-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .faq-intro { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-q { padding: 20px; }
  .faq-a { padding: 0 20px 20px 52px; }
  .faq-cta-row { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px; }
  .contact-section { padding: 60px 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; padding: 0 20px; }
  .docs-section { padding: 60px 0; }
  .docs-intro { grid-template-columns: 1fr; gap: 20px; margin-bottom: 32px; }
  .docs-grid { grid-template-columns: 1fr; }
  .docs-highlight { grid-template-columns: 1fr; }
  .docs-highlight-card { flex-direction: column; gap: 12px; }
  .docs-compat-table { font-size: 11px; }
  .docs-compat-table th, .docs-compat-table td { padding: 8px 6px; }
  #clients { padding: 60px 0; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); padding: 0 20px; }
  .client-card { padding: 24px 16px; min-height: 100px; }
  .client-logo { max-width: 120px; max-height: 60px; }
  .clients-title { font-size: clamp(1.8rem, 6vw, 2.8rem); white-space: normal; }
  .cta-section { padding: 60px 20px; }
  .cta-actions { flex-direction: column; align-items: center; gap: 12px; }
  .cta-actions .btn-hero, .cta-actions .btn-hero-outline { width: 100%; max-width: 320px; justify-content: center; }
  footer { padding: 48px 20px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; margin-bottom: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ticker-item { font-size: 11px; padding: 0 24px; }
}

/* ===================================================
   RESPONSIVE - SMALL MOBILE (max-width: 480px)
=================================================== */
@media (max-width: 480px) {
  .hero-title { font-size: clamp(28px, 7vw, 40px); }
  .calc-env-grid { grid-template-columns: 1fr; }
  .compliance-grid { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .contact-layout { padding: 0 16px; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); padding: 0 16px; }
  .faq-a { padding: 0 16px 16px 44px; }
}