/* Shared site chrome + home sections (extracted from the original design) */
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  .skip-link {
    position: absolute; top: -60px; left: 16px; z-index: 200;
    background: var(--color-blue-500); color: #fff; padding: 10px 18px; border-radius: var(--radius-md);
    font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600; text-decoration: none;
    transition: top 150ms var(--ease-out-expo);
  }
  .skip-link:focus { top: 16px; }
  body { margin: 0; background: var(--bg-page); overflow-x: hidden; }

  .container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

  /* ── Nav ── */
  .nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(8,10,20,0.75); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-inner {
    max-width: 1160px; margin: 0 auto; padding: 16px 32px;
    display: flex; align-items: center; justify-content: space-between;
  }
  .nav-logo { height: 30px; width: auto; display: block; }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a {
    position: relative;
    font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500;
    color: var(--fg-tertiary); text-decoration: none; transition: color var(--duration-fast) var(--ease-out-expo);
  }
  .nav-links a:hover { color: var(--fg-primary); }
  .nav-links a.active { color: var(--fg-primary); }
  .nav-links a.active::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -7px; height: 2px;
    background: var(--gradient-brand); border-radius: 2px;
  }
  .nav-right { display: flex; align-items: center; gap: 16px; }

  /* Language switch: segmented pill */

  .nav-cta { display: flex; align-items: center; gap: 10px; }

  /* ── Buttons ── */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--font-body); font-weight: 500; letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-btn); border: 1px solid transparent; cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out-expo); text-decoration: none; line-height: 1;
    white-space: nowrap; user-select: none;
  }
  .btn-md { font-size: var(--text-base); padding: 10px 20px; height: 40px; }
  .btn-lg { font-size: var(--text-md); padding: 13px 28px; height: 50px; }
  .btn-primary { background: var(--color-blue-500); color: #fff; }
  .btn-primary:hover { background: var(--color-blue-400); box-shadow: var(--glow-blue); }
  .btn-primary:active { background: var(--color-blue-600); transform: scale(0.97); }
  .btn-primary:disabled { opacity: 0.6; cursor: not-allowed; box-shadow: none; transform: none; }
  .btn-ghost { background: transparent; color: var(--fg-secondary); border-color: var(--border-default); }
  .btn-ghost:hover { border-color: var(--color-blue-500); color: var(--color-blue-300); background: var(--interactive-ghost-hover); }

  /* ── Hero (split, terminal motif) ── */
  .hero {
    padding: 88px 32px 100px; max-width: 1160px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
    border: 1px solid var(--border-brand); border-radius: var(--radius-full);
    background: rgba(37,99,235,0.10); color: var(--color-blue-300);
    font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-wider);
    margin-bottom: 24px;
  }
  .eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-blue-400); box-shadow: 0 0 8px var(--color-blue-400); }
  .hero h1 {
    font-family: var(--font-display); font-size: var(--text-6xl); font-weight: 700;
    line-height: var(--leading-tight); letter-spacing: var(--tracking-tightest);
    color: var(--fg-primary); margin: 0 0 22px;
  }
  .hero h1 .accent {
    background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  }
  .hero p.lead {
    font-family: var(--font-body); font-size: var(--text-lg); line-height: var(--leading-relaxed);
    color: var(--fg-tertiary); margin: 0 0 32px; text-wrap: pretty;
  }
  .hero-actions { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
  .hero-note {
    display: flex; align-items: center; gap: 10px; font-family: var(--font-body); font-size: var(--text-sm); color: var(--fg-muted);
  }
  .hero-note svg { flex-shrink: 0; color: var(--color-blue-400); }

  /* Terminal panel wrapper — subtle grid backdrop, tall to balance the left column */
  .terminal-wrap {
    position: relative; padding: 120px 16px; width: 100%; box-sizing: border-box;
  }
  .terminal-wrap::before {
    content: ''; position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(59,130,246,0.22) 1px, transparent 1px),
      linear-gradient(90deg, rgba(59,130,246,0.22) 1px, transparent 1px);
    background-size: 24px 24px; background-position: center;
    -webkit-mask-image: radial-gradient(ellipse at center, black 55%, transparent 100%);
    mask-image: radial-gradient(ellipse at center, black 55%, transparent 100%);
  }

  /* Terminal window */
  .terminal {
    position: relative; z-index: 1; width: 100%; max-width: 560px; box-sizing: border-box;
    transition: max-width 250ms var(--ease-out-expo), border-radius 200ms var(--ease-out-expo);
    background: var(--bg-surface-raised); border: 1px solid var(--border-default); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl); overflow: hidden;
  }
  .terminal.style-linux { border-radius: var(--radius-md); border-color: var(--border-strong); }

  .terminal-bar {
    display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--bg-overlay);
    border-bottom: 1px solid var(--border-subtle);
  }
  .terminal.style-linux .terminal-bar { background: var(--bg-page); border-bottom-color: var(--border-default); }
  .terminal-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--color-base-500); }
  .mac-controls { display: flex; gap: 8px; }
  .terminal.style-linux .mac-controls { display: none; }
  .terminal-title {
    margin-left: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted);
  }
  .terminal.style-linux .terminal-title { margin-left: 0; color: var(--fg-secondary); }
  .linux-controls { display: none; gap: 6px; margin-left: auto; }
  .terminal.style-linux .linux-controls { display: flex; }
  .lin-btn {
    width: 20px; height: 18px; border-radius: 3px; display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono); font-size: 12px; line-height: 1; color: var(--fg-muted); background: var(--bg-surface-raised);
    border: 1px solid var(--border-subtle);
  }
  .lin-close:hover { background: rgba(220,38,38,0.20); color: var(--color-error-400); border-color: rgba(220,38,38,0.4); }
  .terminal-body { padding: 20px 18px; display: flex; flex-direction: column; gap: 14px; overflow-x: auto; }
  .term-line { display: flex; gap: 10px; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.6; }
  .term-time { color: var(--fg-muted); flex-shrink: 0; }
  .term-who { flex-shrink: 0; font-weight: 700; }
  .term-who.you { color: var(--color-cyan-300); }
  .term-who.us { color: var(--color-blue-300); }
  .term-text { color: var(--fg-secondary); }
  .term-cursor {
    display: inline-block; width: 7px; height: 14px; background: var(--color-blue-400);
    animation: blink 1s step-end infinite; vertical-align: middle; margin-left: 2px;
  }
  @keyframes blink { 50% { opacity: 0; } }

  /* ── Section shell ── */
  section.block { padding: 88px 32px; position: relative; }
  .section-eyebrow {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-widest);
    text-transform: uppercase; color: var(--brand-primary); margin: 0 0 12px; text-align: center;
  }
  .section-title {
    font-family: var(--font-display); font-size: var(--text-4xl); font-weight: 700;
    letter-spacing: var(--tracking-tighter); color: var(--fg-primary); text-align: center;
    margin: 0 0 16px;
  }
  .section-sub {
    font-family: var(--font-body); font-size: var(--text-md); color: var(--fg-tertiary);
    text-align: center; max-width: 560px; margin: 0 auto 56px; line-height: var(--leading-relaxed); text-wrap: pretty;
  }

  /* ── Principles: editorial numbered rows (not icon cards) ── */
  .principles { display: flex; flex-direction: column; }
  .principle-row {
    display: grid; grid-template-columns: 90px 260px 1fr; gap: 32px; align-items: baseline;
    padding: 28px 0; border-top: 1px solid var(--border-subtle);
  }
  .principle-row:last-child { border-bottom: 1px solid var(--border-subtle); }
  .principle-num {
    font-family: var(--font-mono); font-size: var(--text-2xl); font-weight: 700; color: var(--color-blue-600);
  }
  .principle-title {
    font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; color: var(--fg-primary);
  }
  .principle-desc {
    font-family: var(--font-body); font-size: var(--text-base); line-height: var(--leading-relaxed); color: var(--fg-tertiary); text-wrap: pretty;
  }

  /* ── Founder strip ── */
  .founder-strip {
    background: var(--bg-surface); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
    padding: 48px 32px; display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap;
  }
  .founder-photo {
    width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0; object-fit: cover;
    border: 2px solid var(--border-default); box-shadow: var(--glow-blue);
  }
  .founder-name-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
  .founder-name { font-family: var(--font-display); font-size: var(--text-md); font-weight: 700; color: var(--fg-primary); }
  .founder-title { font-family: var(--font-body); font-size: var(--text-sm); color: var(--fg-tertiary); }
  .founder-link {
    font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500; color: var(--brand-primary); text-decoration: none; white-space: nowrap;
  }
  .founder-link:hover { color: var(--color-blue-300); }
  .team-quote {
    font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; color: var(--fg-primary);
    max-width: 480px; letter-spacing: var(--tracking-tight);
  }
  .team-label {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-wider); text-transform: uppercase;
    color: var(--fg-muted); display: block; margin-bottom: 6px;
  }

  /* ── Services: diff-style comparison ── */
  .services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .service-card {
    background: var(--gradient-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl);
    padding: 36px; display: flex; flex-direction: column; gap: 14px;
  }
  .service-card.brand { border-color: var(--color-blue-700); }
  .service-card.accent { border-color: var(--color-purple-700); }
  .service-tag {
    display: inline-flex; align-self: flex-start; padding: 4px 10px; border-radius: var(--radius-badge);
    font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: var(--tracking-wide);
  }
  .service-card.brand .service-tag { background: rgba(37,99,235,0.15); color: var(--color-blue-300); border: 1px solid rgba(37,99,235,0.3); }
  .service-card.accent .service-tag { background: rgba(124,58,237,0.15); color: var(--color-purple-300); border: 1px solid rgba(124,58,237,0.3); }
  .service-card h3 {
    font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--fg-primary); margin: 0;
  }
  .service-card > p {
    font-family: var(--font-body); font-size: var(--text-sm); line-height: var(--leading-relaxed); color: var(--fg-secondary); margin: 0; text-wrap: pretty;
  }
  .diff-block {
    background: var(--bg-page); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
    padding: 4px 0; margin-top: 6px; overflow: hidden;
  }
  .diff-line {
    display: flex; align-items: flex-start; gap: 10px; padding: 7px 14px; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.5;
  }
  .diff-marker { flex-shrink: 0; font-weight: 700; width: 12px; }
  .diff-minus { background: rgba(220,38,38,0.07); color: var(--color-error-400); }
  .diff-minus .diff-marker { color: var(--color-error-400); }
  .diff-minus span:last-child { color: var(--fg-muted); text-decoration: line-through; text-decoration-color: rgba(220,38,38,0.4); }
  .diff-plus { background: rgba(5,150,105,0.07); color: var(--color-success-400); }
  .diff-plus .diff-marker { color: var(--color-success-400); }
  .diff-plus span:last-child { color: var(--fg-secondary); }

  /* ── Approach / open source ── */
  .approach-wrap {
    display: flex; align-items: center; gap: 64px; background: var(--bg-surface); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl); padding: 56px; max-width: 1160px; margin: 0 auto;
  }
  .approach-text { flex: 1.2; }
  .approach-text h2 {
    font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 700; color: var(--fg-primary);
    letter-spacing: var(--tracking-tighter); margin: 0 0 16px;
  }
  .approach-text p {
    font-family: var(--font-body); font-size: var(--text-md); line-height: var(--leading-relaxed); color: var(--fg-tertiary); margin: 0; text-wrap: pretty;
  }
  .tech-chips { flex: 1; display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }
  .tech-chip {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: var(--radius-full);
    border: 1px solid var(--border-default); background: var(--bg-surface-raised);
    font-family: var(--font-mono); font-size: var(--text-sm); color: var(--fg-secondary);
  }
  .tech-chip .dot { width: 6px; height: 6px; border-radius: 50%; }

  /* ── Process: terminal changelog (reuses hero motif) ── */
  .process-terminal { max-width: 760px; margin: 0 auto; }
  .log-line {
    display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid var(--border-subtle); font-family: var(--font-mono);
  }
  .log-line:last-child { border-bottom: 1px solid var(--border-subtle); }
  .log-cmd { color: var(--color-blue-400); font-size: 13px; flex-shrink: 0; width: 90px; }
  .log-desc { color: var(--fg-secondary); font-size: 13px; line-height: 1.6; }
  .log-desc b { color: var(--fg-primary); font-weight: 600; font-family: var(--font-body); }

  /* ── CTA band ── */
  .cta-band {
    margin: 0 32px 96px; padding: 72px 40px; border-radius: var(--radius-2xl);
    background: var(--gradient-brand); text-align: center; position: relative; overflow: hidden;
  }
  .cta-band::after {
    content: ''; position: absolute; inset: 0; background-image: var(--gradient-scanline); opacity: 0.5; pointer-events: none;
  }
  .cta-band h2 {
    font-family: var(--font-display); font-size: var(--text-4xl); font-weight: 700; color: #fff;
    letter-spacing: var(--tracking-tighter); margin: 0 0 16px; position: relative; z-index: 1;
  }
  .cta-band p {
    font-family: var(--font-body); font-size: var(--text-md); color: rgba(255,255,255,0.85);
    margin: 0 0 36px; position: relative; z-index: 1;
  }
  .cta-band .btn-primary { background: #fff; color: var(--color-blue-700); position: relative; z-index: 1; }
  .cta-band .btn-primary:hover { background: #fff; box-shadow: 0 0 30px rgba(255,255,255,0.4); }

  /* ── Footer ── */
  footer {
    border-top: 1px solid var(--border-subtle);
  }
  .footer-inner {
    max-width: 1160px; margin: 0 auto; padding: 40px 32px; display: flex; flex-direction: column; gap: 28px;
  }
  .footer-bar {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  }
  .footer-logo { height: 36px; width: auto; opacity: 0.7; }
  .footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
  .footer-links a { font-family: var(--font-body); font-size: var(--text-sm); color: var(--fg-muted); text-decoration: none; }
  .footer-links a:hover { color: var(--fg-secondary); }
  .footer-meta { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--fg-muted); }

  /* ── Modal ── */
  .modal-overlay {
    position: fixed; inset: 0; background: rgba(5,6,13,0.7); backdrop-filter: blur(6px);
    display: none; align-items: center; justify-content: center; z-index: 100;
  }
  .modal-overlay.open { display: flex; }
  .modal {
    width: 420px; max-width: calc(100vw - 32px); background: var(--bg-surface-raised); border: 1px solid var(--border-default);
    border-radius: var(--radius-modal); padding: 32px; box-shadow: var(--shadow-xl);
  }
  .modal h3 { font-family: var(--font-display); font-size: var(--text-xl); color: var(--fg-primary); margin: 0 0 8px; }
  .modal p { font-family: var(--font-body); font-size: var(--text-sm); color: var(--fg-tertiary); margin: 0 0 24px; }
  .modal-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
  .modal-field label { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500; color: var(--fg-secondary); }
  .modal-field input, .modal-field textarea {
    background: var(--bg-input); border: 1px solid var(--border-default); border-radius: var(--radius-input);
    padding: 10px 12px; color: var(--fg-primary); font-family: var(--font-body); font-size: var(--text-sm); outline: none; width: 100%;
  }
  .modal-field input:focus, .modal-field textarea:focus { border-color: var(--color-blue-500); box-shadow: 0 0 0 3px rgba(37,99,235,0.18); }
  .modal-actions { display: flex; gap: 10px; margin-top: 24px; }
  .modal-actions .btn { flex: 1; }
  .modal-status {
    font-family: var(--font-body); font-size: var(--text-sm); line-height: var(--leading-relaxed);
    margin: 16px 0 0; color: var(--fg-muted);
  }

  /* ── Hamburger + mobile menu ── */
  .hamburger {
    display: none; flex-direction: column; justify-content: center; gap: 4px;
    width: 34px; height: 34px; border: 1px solid var(--border-default); border-radius: var(--radius-md);
    background: var(--bg-surface-raised); cursor: pointer; padding: 0;
  }
  .hamburger span { display: block; width: 16px; height: 1.5px; background: var(--fg-secondary); margin: 0 auto; transition: all 200ms var(--ease-out-expo); }
  .hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

  .mobile-menu {
    position: fixed; top: 63px; left: 0; right: 0; z-index: 49;
    background: rgba(8,10,20,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-subtle);
    padding: 20px 32px 28px; display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center;
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: all 220ms var(--ease-out-expo);
  }
  .mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .mobile-menu a {
    font-family: var(--font-body); font-size: var(--text-md); font-weight: 500; color: var(--fg-secondary); text-decoration: none;
  }
  .mobile-menu a:hover { color: var(--fg-primary); }
  .mobile-menu a.active { color: var(--color-blue-300); }
  .mobile-menu-row { display: flex; align-items: center; justify-content: center; gap: 20px; padding-top: 16px; border-top: 1px solid var(--border-subtle); width: 100%; }

  @media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; }
    .terminal { max-width: 100%; }
    .terminal-wrap { padding: 24px; }
    .services-grid { grid-template-columns: 1fr; }
    .principle-row { grid-template-columns: 50px 1fr; }
    .principle-row .principle-desc { grid-column: 2 / 3; }
    .approach-wrap { flex-direction: column; padding: 40px; }
    .nav-links { display: none; }
    .nav-right .lang-switch { display: none; }
    .nav-cta .btn-ghost { display: none; }
    .hamburger { display: flex; }
  }

  /* Desktop: balance the Process section's bottom spacing with the gap above it,
     and give the following CTA band room to breathe. */
  @media (min-width: 1025px) {
    #process { padding-bottom: 176px; }
  }

/* ── Contact form: honeypot (hidden) + flash banners (no-JS fallback) ── */
/* display:none keeps browser autofill from ever filling the honeypot (which would drop real submissions). */
.hp-field { display: none; }
.flash {
  max-width: 1160px; margin: 16px auto 0; padding: 12px 18px; border-radius: var(--radius-md);
  font-family: var(--font-body); font-size: var(--text-sm);
}
.flash-success { background: rgba(5,150,105,0.12); border: 1px solid var(--color-success-400); color: var(--color-success-400); }
.flash-error { background: rgba(220,38,38,0.10); border: 1px solid var(--color-error-400); color: var(--color-error-400); }