/* treeship.dev shared stylesheet. Extracted verbatim from public/home.html
   on 2026-09-06 so /commerce can share the exact same system. Edit here,
   never inline in a page. */
    /* ─── TOKENS ─────────────────────────────────────── */
    :root {
      --bg:        #09090b;
      --bg-1:      #111116;
      --bg-2:      #18181d;
      --bg-3:      #222228;
      --border:    #27272e;
      --border-2:  #32323b;
      --text:      #f4f4f5;
      --text-2:    #a1a1aa;
      --text-3:    #6b6b78;
      --text-4:    #3f3f48;
      --teal:      #2dd4bf;
      --teal-dim:  #0d9488;
      --teal-glow: rgba(45,212,191,0.08);
      --teal-line: rgba(45,212,191,0.2);
      --amber:     #f59e0b;
      --blue:      #60a5fa;
      --purple:    #a78bfa;
      --green:     #4ade80;
      --red:       #f87171;

      --sans: 'Inter', system-ui, sans-serif;
      --mono: 'JetBrains Mono', 'Cascadia Code', 'SF Mono', monospace;

      --r-sm: 6px;
      --r:    10px;
      --r-lg: 16px;
      --r-xl: 24px;

      /* Motion tokens. Built-in CSS easings are too weak for deliberate
         motion; these strong curves give entrances punch and on-screen
         movement natural acceleration. Every animation references these. */
      --ease-out:    cubic-bezier(0.23, 1, 0.32, 1);
      --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
    }

    /* ─── RESET ──────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--sans);
      font-size: 1rem;
      line-height: 1.65;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    ul, ol { list-style: none; }
    button { cursor: pointer; border: none; background: none; font: inherit; }

    /* ─── LAYOUT ─────────────────────────────────────── */
    .wrap {
      max-width: 1120px;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 5vw, 3rem);
    }

    /* ─── NAV ────────────────────────────────────────── */
    /* Anchor targets must clear the fixed nav.
       The nav is `position: fixed` at 60px, and both `scrollIntoView({block:
       "start"})` below and a plain `#hash` land the target at viewport top --
       i.e. underneath the nav, with the section heading hidden behind it. A
       reader clicking "How it works" arrived mid-paragraph with no heading
       visible and no way to tell they were in the right place.

       `scroll-margin-top` fixes both paths at once, which the JS handler
       alone could not: a pasted #hash URL never runs it. */
    [id] { scroll-margin-top: 76px; }
    @media (max-width: 768px) {
      /* Logo row + one scrollable link row on mobile. */
      [id] { scroll-margin-top: 96px; }
    }

    .nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      border-bottom: 1px solid var(--border);
      background: rgba(9,9,11,0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 60px;
      max-width: 1120px;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 5vw, 3rem);
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--sans);
      font-size: 1.0625rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--text);
    }
    .nav-logo svg { flex-shrink: 0; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }
    .nav-links a {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-2);
      padding: 0.4rem 0.75rem;
      border-radius: var(--r-sm);
      transition: color 0.15s, background 0.15s;
    }
    .nav-links a:hover { color: var(--text); background: var(--bg-2); }
    .nav-cta {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--bg);
      background: var(--teal);
      padding: 0.45rem 1rem;
      border-radius: var(--r-sm);
      transition: opacity 0.15s, transform 0.14s var(--ease-out);
    }
    .nav-cta:hover { opacity: 0.88; }
    .nav-cta:active { transform: scale(0.97); }

    /* ─── HERO ───────────────────────────────────────── */
    .hero {
      padding-top: clamp(7rem, 14vw, 11rem);
      padding-bottom: clamp(4rem, 8vw, 7rem);
      position: relative;
      overflow: hidden;
    }
    /* Dimmed Treeship illustration behind the hero -- brand atmosphere.
       A real element (not a pseudo) because .hero::after is already taken by
       the ambient glow; sits at z-index 0, beneath the glow (1) and the
       content (2). Anchored top and faded out toward the bottom so the copy
       and CTAs stay clean. */
    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
      background: url("/hero-bg.png") no-repeat center top;
      background-size: 120% auto;
      opacity: 0.38;
      -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 42%, transparent 90%);
      mask-image: linear-gradient(to bottom, #000 0%, #000 42%, transparent 90%);
      pointer-events: none;
    }
    @media (max-width: 860px) { .hero-bg { opacity: 0.22; } }
    /* subtle radial glow behind hero */
    .hero::before {
      content: '';
      position: absolute;
      top: -10%;
      left: 50%;
      transform: translateX(-50%);
      width: 900px;
      height: 600px;
      background: radial-gradient(ellipse at center, rgba(45,212,191,0.055) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--teal);
      margin-bottom: 1.5rem;
    }
    .hero-eyebrow span {
      width: 20px;
      height: 1px;
      background: var(--teal-dim);
      display: inline-block;
    }
    .hero h1 {
      font-size: clamp(2.75rem, 5.5vw, 4.25rem);
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -0.03em;
      color: var(--text);
      margin-bottom: 1.5rem;
    }
    .hero h1 em {
      font-style: normal;
      color: var(--teal);
    }
    .hero-sub {
      font-size: 1.125rem;
      color: var(--text-2);
      line-height: 1.65;
      max-width: 44ch;
      margin-bottom: 2.5rem;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 0.875rem;
      flex-wrap: wrap;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--bg);
      background: var(--teal);
      padding: 0.7rem 1.4rem;
      border-radius: var(--r-sm);
      transition: opacity 0.15s, transform 0.14s var(--ease-out);
    }
    .btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
    .btn-primary:active { transform: scale(0.97); }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-2);
      border: 1px solid var(--border-2);
      padding: 0.7rem 1.4rem;
      border-radius: var(--r-sm);
      transition: border-color 0.15s, color 0.15s, transform 0.14s var(--ease-out);
    }
    .btn-secondary:hover { border-color: var(--teal-dim); color: var(--text); }
    .btn-secondary:active { transform: scale(0.97); }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 0.375rem;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-3);
      transition: color 0.15s;
    }
    .btn-ghost:hover { color: var(--text-2); }

    /* HERO RIGHT: receipt card */
    .hero-receipt {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      box-shadow: 0 0 0 1px rgba(255,255,255,0.03), 0 32px 64px rgba(0,0,0,0.5);
    }
    .receipt-header {
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
      padding: 0.875rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .receipt-dots {
      display: flex;
      gap: 0.4rem;
    }
    .receipt-dots span {
      width: 10px; height: 10px;
      border-radius: 50%;
      background: var(--border-2);
    }
    .receipt-dots span:nth-child(1) { background: #ff5f56; }
    .receipt-dots span:nth-child(2) { background: #ffbd2e; }
    .receipt-dots span:nth-child(3) { background: #27c93f; }
    .receipt-title {
      font-family: var(--mono);
      font-size: 0.6875rem;
      color: var(--text-3);
      font-weight: 500;
    }
    .receipt-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 500;
      color: var(--teal);
      background: var(--teal-glow);
      border: 1px solid var(--teal-line);
      padding: 0.2rem 0.5rem;
      border-radius: 4px;
    }
    .receipt-badge::before {
      content: '';
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--teal);
      animation: pulse-dot 2s ease-in-out infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; }
      50%       { opacity: 0.35; }
    }
    .receipt-body {
      padding: 1.25rem;
      font-family: var(--mono);
      font-size: 0.75rem;
      display: flex;
      flex-direction: column;
      gap: 0;
    }
    .rrow {
      display: flex;
      align-items: flex-start;
      gap: 0;
      padding: 0.45rem 0;
      border-bottom: 1px solid var(--border);
    }
    .rrow:last-child { border-bottom: none; }
    .rrow-key {
      color: var(--text-3);
      width: 130px;
      flex-shrink: 0;
      font-size: 0.6875rem;
    }
    .rrow-val {
      color: var(--text-2);
      flex: 1;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 0.6875rem;
    }
    .rrow-val.accent { color: var(--teal); }
    .rrow-val.amber  { color: var(--amber); }
    .rrow-val.green  { color: var(--green); }
    .rrow-val.blue   { color: var(--blue); }
    .receipt-footer {
      padding: 0.875rem 1.25rem;
      border-top: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--bg-2);
    }
    .receipt-footer-label {
      font-family: var(--mono);
      font-size: 0.6875rem;
      color: var(--text-3);
    }
    .receipt-verify-btn {
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 600;
      color: var(--teal);
      display: flex;
      align-items: center;
      gap: 0.35rem;
      cursor: pointer;
      transition: opacity 0.15s;
    }
    .receipt-verify-btn:hover { opacity: 0.7; }

    /* ─── SECTION BASE ───────────────────────────────── */
    .section {
      padding-block: clamp(4rem, 7vw, 6rem);
      border-top: 1px solid var(--border);
    }
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-3);
      margin-bottom: 1rem;
    }
    .section-label::before {
      content: '';
      display: inline-block;
      width: 16px;
      height: 1px;
      background: var(--teal-dim);
    }
    .section-heading {
      font-size: clamp(1.75rem, 3.5vw, 2.5rem);
      font-weight: 700;
      letter-spacing: -0.025em;
      line-height: 1.15;
      color: var(--text);
      margin-bottom: 0.875rem;
    }
    .section-sub {
      font-size: 1.0625rem;
      color: var(--text-2);
      max-width: 52ch;
      line-height: 1.65;
    }

    /* ─── PRIMITIVES ─────────────────────────────────── */
    .primitives-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      margin-top: 3rem;
    }
    .prim-card {
      background: var(--bg-1);
      padding: 2rem 1.75rem;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      transition: background 0.2s;
      position: relative;
    }
    .prim-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--accent-line, var(--border));
      transition: opacity 0.2s;
    }
    .prim-card:hover { background: var(--bg-2); }
    .prim-card[data-accent="teal"]   { --accent-line: var(--teal); }
    .prim-card[data-accent="blue"]   { --accent-line: var(--blue); }
    .prim-card[data-accent="amber"]  { --accent-line: var(--amber); }
    .prim-card[data-accent="purple"] { --accent-line: var(--purple); }
    .prim-num {
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: var(--text-4);
    }
    .prim-icon {
      width: 40px; height: 40px;
      border-radius: var(--r-sm);
      border: 1px solid var(--border-2);
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-3);
    }
    .prim-name {
      font-size: 1.0625rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--text);
      line-height: 1.25;
    }
    .prim-desc {
      font-size: 0.875rem;
      color: var(--text-2);
      line-height: 1.6;
    }
    .prim-cli {
      margin-top: auto;
      font-family: var(--mono);
      font-size: 0.6875rem;
      color: var(--teal);
      background: var(--teal-glow);
      border: 1px solid var(--teal-line);
      border-radius: 4px;
      padding: 0.35rem 0.65rem;
      display: inline-block;
    }

    /* ─── WHY SECTION (3-col) ────────────────────────── */
    .why-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-top: 3rem;
    }
    .why-card {
      padding: 2rem;
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      display: flex;
      flex-direction: column;
      gap: 1rem;
      transition: border-color 0.2s, background 0.2s;
    }
    .why-card:hover {
      border-color: var(--border-2);
      background: var(--bg-2);
    }
    .why-icon {
      width: 44px; height: 44px;
      border-radius: var(--r-sm);
      border: 1px solid var(--border-2);
      background: var(--bg-3);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .why-title {
      font-size: 1.0625rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--text);
    }
    .why-text {
      font-size: 0.9375rem;
      color: var(--text-2);
      line-height: 1.65;
    }

    /* ─── TLS COMPARISON ─────────────────────────────── */
    .compare-layout {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 4rem;
      align-items: start;
      margin-top: 3rem;
    }
    .compare-copy .section-label { margin-bottom: 1rem; }
    .compare-copy .section-heading { margin-bottom: 1rem; }
    .compare-copy p {
      font-size: 0.9375rem;
      color: var(--text-2);
      line-height: 1.7;
      margin-bottom: 1.5rem;
    }
    .compare-table {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
    }
    .ctable-head {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
    }
    .ctable-head span {
      font-size: 0.6875rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-3);
      padding: 0.75rem 1.25rem;
    }
    .ctable-head span:not(:last-child) { border-right: 1px solid var(--border); }
    .ctable-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      border-bottom: 1px solid var(--border);
    }
    .ctable-row:last-child { border-bottom: none; }
    .ctable-cell {
      font-size: 0.8125rem;
      padding: 0.875rem 1.25rem;
      color: var(--text-2);
      line-height: 1.5;
    }
    .ctable-cell:not(:last-child) { border-right: 1px solid var(--border); }
    .ctable-cell.concept { color: var(--text-3); font-weight: 500; font-size: 0.75rem; font-family: var(--mono); }
    .ctable-cell.highlight { color: var(--teal); font-weight: 600; }

    /* ─── TERMINAL ────────────────────────────────────── */
    .terminal-section .section-heading { max-width: 22ch; }
    .terminal-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 4rem;
      align-items: center;
      margin-top: 3rem;
    }
    .terminal-features {
      display: flex;
      flex-direction: column;
      gap: 1.75rem;
    }
    .tfeat {
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }
    .tfeat-num {
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 700;
      color: var(--teal);
      background: var(--teal-glow);
      border: 1px solid var(--teal-line);
      border-radius: 4px;
      padding: 0.15rem 0.5rem;
      flex-shrink: 0;
      margin-top: 0.15rem;
    }
    .tfeat-body h4 {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.25rem;
    }
    .tfeat-body p {
      font-size: 0.875rem;
      color: var(--text-2);
      line-height: 1.6;
    }
    .terminal-window {
      background: #0d0d10;
      border: 1px solid var(--border-2);
      border-radius: var(--r-lg);
      overflow: hidden;
      box-shadow: 0 24px 48px rgba(0,0,0,0.45);
    }
    .term-header {
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
      padding: 0.75rem 1.25rem;
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .term-dots { display: flex; gap: 0.375rem; }
    .term-dots span { width: 10px; height: 10px; border-radius: 50%; }
    .term-dots span:nth-child(1) { background: #ff5f56; }
    .term-dots span:nth-child(2) { background: #ffbd2e; }
    .term-dots span:nth-child(3) { background: #27c93f; }
    .term-title {
      font-family: var(--mono);
      font-size: 0.6875rem;
      color: var(--text-3);
      flex: 1;
      text-align: center;
    }
    .term-body {
      padding: 1.5rem;
      font-family: var(--mono);
      font-size: 0.75rem;
      line-height: 1.8;
    }
    .term-line { display: flex; gap: 0.75rem; align-items: flex-start; }
    .term-ps { color: var(--teal); flex-shrink: 0; user-select: none; }
    .term-cmd { color: var(--text-2); }

    /* click a command line to copy it: a "copy" hint on hover, "copied" on
       success. Scoped to lines that actually hold a command (not output). */
    .term-line:has(.term-cmd), .install-line:has(.iln-cmd) {
      cursor: pointer; position: relative; padding-right: 4rem;
      border-radius: var(--r-sm); transition: background 0.15s;
    }
    .term-line:has(.term-cmd)::after, .install-line:has(.iln-cmd)::after {
      content: 'copy'; position: absolute; right: 0.7rem; top: 50%; transform: translateY(-50%);
      font: 500 0.58rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--text-4); opacity: 0; transition: opacity 0.15s; pointer-events: none;
    }
    @media (hover: hover) and (pointer: fine) {
      .term-line:has(.term-cmd):hover, .install-line:has(.iln-cmd):hover { background: rgba(255,255,255,0.03); }
      .term-line:has(.term-cmd):hover::after, .install-line:has(.iln-cmd):hover::after { opacity: 1; }
    }
    .term-line.copied::after, .install-line.copied::after { content: 'copied \2713'; color: var(--teal); opacity: 1; }
    .term-comment { color: var(--text-4); font-style: italic; padding: 0.5rem 0 0.15rem; }
    .term-out { color: var(--text-3); padding-left: 1.25rem; }
    .term-out.good { color: var(--green); }
    .term-out.art  { color: var(--teal); }
    .term-out.dim  { color: var(--text-4); }
    .term-out.bad  { color: var(--red); }
    .term-out.warn { color: var(--amber); }
    .term-who { display: inline-block; width: 4.5rem; color: var(--text-4); flex-shrink: 0; }
    .term-gap { height: 0.75rem; }

    /* ─── WHAT IT SIGNS ──────────────────────────────── */
    .signs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--border);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      margin-top: 3rem;
    }
    .sign-card {
      background: var(--bg-1);
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      gap: 0.875rem;
      transition: background 0.2s;
    }
    .sign-card:hover { background: var(--bg-2); }
    .sign-num {
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 700;
      color: var(--text-4);
    }
    .sign-name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text);
      letter-spacing: -0.01em;
    }
    .sign-text {
      font-size: 0.875rem;
      color: var(--text-2);
      line-height: 1.6;
    }
    .sign-tag {
      font-family: var(--mono);
      font-size: 0.625rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-3);
      background: var(--bg-3);
      border: 1px solid var(--border-2);
      border-radius: 4px;
      padding: 0.25rem 0.6rem;
      display: inline-block;
      width: fit-content;
    }

    /* ─── AGENT RESOLVER ─────────────────────────────── */
    .resolver-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      margin-top: 3rem;
    }
    .resolver-steps {
      display: flex;
      flex-direction: column;
      gap: 0;
    }
    .rstep {
      display: flex;
      gap: 1.25rem;
      align-items: flex-start;
      padding: 1.75rem 0;
      border-bottom: 1px solid var(--border);
      position: relative;
    }
    .rstep:first-child { padding-top: 0; }
    .rstep:last-child { border-bottom: none; padding-bottom: 0; }
    .rstep-num {
      width: 32px; height: 32px;
      border-radius: 50%;
      border: 1px solid var(--border-2);
      background: var(--bg-2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 700;
      color: var(--teal);
      flex-shrink: 0;
    }
    .rstep-body h4 {
      font-size: 0.9375rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.3rem;
    }
    .rstep-body p {
      font-size: 0.875rem;
      color: var(--text-2);
      line-height: 1.6;
    }
    .resolver-card {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
    }
    .resolver-card-header {
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
      padding: 1rem 1.5rem;
      font-family: var(--mono);
      font-size: 0.75rem;
      color: var(--text-3);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .resolver-card-header span.dot {
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--teal);
      animation: pulse-dot 2s ease-in-out infinite;
    }
    .resolver-card-body {
      padding: 1.5rem;
      font-family: var(--mono);
      font-size: 0.75rem;
    }
    .rcard-row {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      padding: 0.5rem 0;
      border-bottom: 1px solid var(--border);
    }
    .rcard-row:last-child { border-bottom: none; }
    .rcard-key { color: var(--text-3); font-size: 0.6875rem; }
    .rcard-val { color: var(--text-2); font-size: 0.6875rem; text-align: right; }
    .rcard-val.teal   { color: var(--teal); }
    .rcard-val.green  { color: var(--green); }
    .rcard-val.amber  { color: var(--amber); }

    /* ─── STATS BAR ──────────────────────────────────── */
    .stats-bar {
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      background: var(--bg-1);
    }
    .stats-inner {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      max-width: 1120px;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 5vw, 3rem);
    }
    .stat-cell {
      padding: 2.25rem 2rem;
      border-right: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      gap: 0.375rem;
    }
    .stat-cell:last-child { border-right: none; }
    .stat-num {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.04em;
      color: var(--text);
      line-height: 1;
    }
    .stat-num em {
      font-style: normal;
      color: var(--teal);
    }
    .stat-label {
      font-size: 0.8125rem;
      color: var(--text-3);
      font-weight: 500;
    }

    /* ─── RECOGNITION / PRESS ────────────────────────── */
    .press-layout {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 4rem;
      align-items: center;
      margin-top: 3rem;
    }
    .press-quote-wrap {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 2.5rem;
      position: relative;
    }
    .press-quote-mark {
      font-family: Georgia, serif;
      font-size: 5rem;
      color: var(--teal-dim);
      line-height: 0.8;
      margin-bottom: 1rem;
      opacity: 0.5;
    }
    .press-quote-text {
      font-size: 1rem;
      line-height: 1.7;
      color: var(--text-2);
      font-style: italic;
      margin-bottom: 1.5rem;
    }
    .press-source {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--text-3);
    }
    .press-source a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
    .open-source-card {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 2.5rem;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    .os-title {
      font-size: 1.375rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--text);
    }
    .os-text {
      font-size: 0.9375rem;
      color: var(--text-2);
      line-height: 1.65;
    }
    .os-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .os-tag {
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 600;
      color: var(--text-3);
      background: var(--bg-3);
      border: 1px solid var(--border-2);
      border-radius: 4px;
      padding: 0.3rem 0.65rem;
    }

    /* ─── CTA ────────────────────────────────────────── */
    .cta-section {
      padding-block: clamp(4rem, 8vw, 7rem);
      border-top: 1px solid var(--border);
      background: var(--bg-1);
    }
    .cta-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }
    .cta-copy h2 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      letter-spacing: -0.03em;
      line-height: 1.15;
      color: var(--text);
      margin-bottom: 1rem;
    }
    .cta-copy h2 em {
      font-style: normal;
      color: var(--teal);
    }
    .cta-copy p {
      font-size: 1.0625rem;
      color: var(--text-2);
      line-height: 1.65;
      margin-bottom: 2rem;
    }
    .cta-copy .cta-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
    }
    .install-card {
      background: #0d0d10;
      border: 1px solid var(--border-2);
      border-radius: var(--r-lg);
      overflow: hidden;
    }
    .install-tab-row {
      display: flex;
      border-bottom: 1px solid var(--border);
      background: var(--bg-2);
    }
    .install-tab {
      font-family: var(--mono);
      font-size: 0.6875rem;
      font-weight: 600;
      padding: 0.6rem 1rem;
      color: var(--text-3);
      cursor: pointer;
      border-right: 1px solid var(--border);
      transition: color 0.15s, background 0.15s;
    }
    .install-tab:last-child { border-right: none; }
    .install-tab.active { color: var(--teal); background: var(--bg-1); }
    .install-panel { display: none; padding: 1.5rem; font-family: var(--mono); font-size: 0.8125rem; }
    .install-panel.active { display: block; }
    .install-line {
      display: flex;
      gap: 0.75rem;
      align-items: flex-start;
      margin-bottom: 0.65rem;
    }
    .install-line:last-child { margin-bottom: 0; }
    /* The hero copy of the install line. Same class as the install card so the
       click-to-copy wiring and hover affordance apply unchanged; the wrapper
       gives it a surface, since in the hero it stands alone rather than
       inside a card. */
    .hero-install { margin: 1.25rem 0 1.5rem; max-width: 30rem; }
    .hero-install-line {
      font-family: var(--mono);
      font-size: 0.8125rem;
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--r-sm);
      padding: 0.7rem 0.9rem;
      margin-bottom: 0.5rem;
    }
    .hero-install-line .iln-cmd { color: var(--text); }
    .hero-install-note {
      font-size: 0.75rem;
      color: var(--text-3);
      margin: 0;
    }
    .hero-install-note a { color: var(--text-2); text-decoration: underline; text-underline-offset: 2px; }
    .hero-install-note a:hover { color: var(--text); }
    .iln-ps { color: var(--teal); flex-shrink: 0; }
    .iln-cmd { color: var(--text-2); }
    .iln-comment { color: var(--text-4); font-size: 0.6875rem; padding: 0.35rem 0; }
    .install-card-footer {
      border-top: 1px solid var(--border);
      padding: 0.875rem 1.5rem;
      font-size: 0.75rem;
      color: var(--text-3);
      background: var(--bg-2);
    }
    .install-card-footer a { color: var(--teal); text-decoration: underline; text-underline-offset: 2px; }

    /* ─── FOOTER ─────────────────────────────────────── */
    footer {
      border-top: 1px solid var(--border);
      background: var(--bg);
    }
    .footer-inner {
      max-width: 1120px;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 5vw, 3rem);
      padding-block: 3rem;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 3rem;
    }
    .footer-brand p {
      font-size: 0.875rem;
      color: var(--text-3);
      margin-top: 0.875rem;
      line-height: 1.65;
      max-width: 28ch;
    }
    .footer-col h5 {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-3);
      margin-bottom: 1rem;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
    .footer-col ul li a {
      font-size: 0.875rem;
      color: var(--text-3);
      transition: color 0.15s;
    }
    .footer-col ul li a:hover { color: var(--text-2); }
    .footer-bottom {
      border-top: 1px solid var(--border);
      max-width: 1120px;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 5vw, 3rem);
      padding-block: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.8125rem;
      color: var(--text-4);
    }
    .footer-bottom a { color: var(--text-3); transition: color 0.15s; }
    .footer-bottom a:hover { color: var(--text-2); }

    /* ─── MOBILE ─────────────────────────────────────── */
    @media (max-width: 768px) {
      /* The links used to be `display: none` here with nothing replacing
         them, so on a phone the only reachable nav was the CTA -- Docs and
         GitHub were unreachable from the homepage entirely.

         They wrap onto a second row instead of hiding. Deliberately not a
         hamburger: a drawer is a new interaction to build, test and get
         wrong, and four short links fit. The nav grows to two rows rather
         than staying 60px, which is the honest trade. */
      .nav-inner {
        flex-wrap: wrap;
        height: auto;
        row-gap: 0.25rem;
        padding-block: 0.6rem;
      }
      .nav-links {
        order: 3;
        width: 100%;
        /* One scrollable row, not a wrapping block.
           Wrapping put five links on three rows at 375px, so the nav ate a
           third of a phone screen before any content. A single row that
           scrolls sideways stays two rows total at any width, and swiping a
           link strip is a pattern people already know -- unlike a drawer,
           which is a new interaction to build and get wrong. */
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 0.125rem;
        /* Momentum on iOS, and no scrollbar gutter stealing a row back. */
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        /* Pull flush with the logo above it. */
        margin-inline: -0.75rem;
        padding-inline: 0.75rem;
      }
      .nav-links::-webkit-scrollbar { display: none; }
      /* Links must not compress to unreadable slivers when the row overflows. */
      .nav-links a { font-size: 0.8125rem; padding: 0.3rem 0.75rem; flex: 0 0 auto; white-space: nowrap; }
      .hero-inner { grid-template-columns: 1fr; }
      .hero-receipt { display: none; }
      .primitives-grid { grid-template-columns: 1fr 1fr 1fr; }
      .why-grid { grid-template-columns: 1fr 1fr; }
      .compare-layout { grid-template-columns: 1fr; }
      .terminal-layout { grid-template-columns: 1fr; }
      .signs-grid { grid-template-columns: 1fr 1fr; }
      .resolver-layout { grid-template-columns: 1fr; }
      .stats-inner { grid-template-columns: 1fr 1fr; }
      .press-layout { grid-template-columns: 1fr; }
      .cta-inner { grid-template-columns: 1fr; }
      .footer-inner { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 520px) {
      .primitives-grid { grid-template-columns: 1fr 1fr; }
      .why-grid { grid-template-columns: 1fr; }
      .signs-grid { grid-template-columns: 1fr; }
      .stats-inner { grid-template-columns: 1fr 1fr; }
      .footer-inner { grid-template-columns: 1fr; }
    }
    /* selective disclosure */
    .disclose-layout{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:2.5rem}
    @media(max-width:820px){.disclose-layout{grid-template-columns:1fr}}
    .disclose-pane{background:var(--bg-1);padding:1.75rem}
    .disclose-pane.verifier{background:var(--bg)}
    .dp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}
    .dp-title{font:600 0.9rem/1 var(--mono);color:var(--text-2);letter-spacing:-0.01em}
    .dp-tag{font:600 0.62rem/1 var(--mono);letter-spacing:0.14em;text-transform:uppercase;color:var(--text-3);border:1px solid var(--border-2);border-radius:999px;padding:0.35rem 0.6rem}
    .dp-count{font:600 0.72rem/1 var(--mono);color:var(--teal)}
    .cap-row{display:flex;align-items:center;gap:0.75rem;padding:0.7rem 0.85rem;border:1px solid var(--border);border-radius:var(--r);margin-bottom:0.55rem;cursor:pointer;transition:border-color 0.15s,background 0.15s;user-select:none}
    .cap-row:hover{border-color:var(--border-2)}
    .cap-row.on{border-color:var(--teal-line);background:var(--teal-glow)}
    .cap-box{width:16px;height:16px;flex:none;border:1.5px solid var(--text-4);border-radius:4px;display:grid;place-items:center;transition:0.15s}
    .cap-row.on .cap-box{background:var(--teal);border-color:var(--teal)}
    .cap-box svg{opacity:0}.cap-row.on .cap-box svg{opacity:1}
    .cap-name{font:500 0.83rem/1 var(--mono);color:var(--text)}
    .cap-role{margin-left:auto;font:600 0.58rem/1 var(--mono);letter-spacing:0.1em;text-transform:uppercase;color:var(--text-3)}
    .v-row{display:flex;align-items:center;gap:0.6rem;padding:0.7rem 0.85rem;border:1px solid var(--border);border-radius:var(--r);margin-bottom:0.55rem;font:500 0.8rem/1 var(--mono)}
    .v-row.shown{border-color:var(--teal-line);background:var(--teal-glow);color:var(--text)}
    .v-row.hidden{color:var(--text-4);background:rgba(255,255,255,0.012)}
    .v-row .vlk{margin-left:auto;font-size:0.6rem;letter-spacing:0.08em;text-transform:uppercase}
    .v-row.shown .vlk{color:var(--teal)}.v-row.hidden .vlk{color:var(--text-4)}
    /* toggling a capability swaps the verifier row; a quick opacity fade
       softens the content change instead of a hard teleport (opacity-only,
       so it is safe under reduced motion). */
    .v-row{animation:vrow-in 0.16s var(--ease-out)}
    @keyframes vrow-in{from{opacity:0.4}to{opacity:1}}
    .disclose-sig{margin-top:1rem;display:flex;align-items:center;gap:0.6rem;padding:0.75rem 0.9rem;border:1px solid var(--teal-line);background:var(--teal-glow);border-radius:var(--r);font:600 0.76rem/1 var(--mono);color:var(--text)}
    .disclose-sig .sc{color:var(--teal)}
    .disclose-note{margin-top:1.5rem;font:0.82rem/1.65 var(--sans);color:var(--text-3);max-width:64ch}
    .disclose-note code{font-family:var(--mono);color:var(--text-2);font-size:0.85em}
    /* ═══════════════════════════════════════════════════
       FX LAYER: grain, cursor-tracked light, and a
       receipt that verifies itself. Every motion here is
       the product working: signing, scanning, verifying.
       All of it yields to prefers-reduced-motion. ─────── */

    /* filmic grain: a whisper of tooth over the flat dark */
    .fx-grain {
      position: fixed;
      inset: 0;
      z-index: 500;
      pointer-events: none;
      opacity: 0.045;
      mix-blend-mode: soft-light;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
      background-size: 140px 140px;
    }

    /* hero: engineered substrate + a static ambient glow (see .hero::after) */
    .hero-inner { z-index: 2; }
    .hero::after {
      content: '';
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      /* Static ambient glow toward the receipt. Previously cursor-tracked
         via a per-frame rAF repaint; that was decorative and cost a large
         gradient repaint on every mousemove, so it is now fixed in place. */
      background: radial-gradient(460px circle at 72% 38%, rgba(45,212,191,0.10), transparent 62%);
    }

    /* nav sharpens once you scroll off the hero */
    .nav { transition: background 0.25s, border-color 0.25s; }
    .nav.scrolled { background: rgba(9,9,11,0.92); border-bottom-color: var(--border-2); }

    /* card craft: accent bar ignites and the card lifts on hover */
    .prim-card, .sign-card { transition: background 0.2s, transform 0.2s var(--ease-out), box-shadow 0.2s; }
    .prim-card::before { opacity: 0.5; }
    /* Lift on hover only where a real pointer exists: on touch, a tap fires a
       false :hover and the card would stay lifted until the next tap. */
    @media (hover: hover) and (pointer: fine) {
      .prim-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 30px rgba(0,0,0,0.35);
      }
      .prim-card:hover::before {
        opacity: 1;
        box-shadow: 0 0 16px var(--accent-line, var(--teal));
      }
      .sign-card:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
    }

    /* the receipt invites a click to re-run verification */
    .receipt-verify-btn { user-select: none; }
    .receipt-verify-btn:active { transform: scale(0.97); }
    .hero h1 em { display: inline-block; position: relative; }

    @media (prefers-reduced-motion: no-preference) {
      /* the receipt card settles in */
      .hero-receipt { animation: card-in 0.75s var(--ease-out) both; }
      @keyframes card-in {
        from { opacity: 0; transform: translateY(14px) scale(0.985); }
        to   { opacity: 1; transform: none; }
      }
      /* fields stream in, one hash at a time */
      .hero-receipt .rrow { opacity: 0; animation: rrow-in 0.5s var(--ease-out) both; }
      .hero-receipt .rrow:nth-child(1)  { animation-delay: 0.40s; }
      .hero-receipt .rrow:nth-child(2)  { animation-delay: 0.47s; }
      .hero-receipt .rrow:nth-child(3)  { animation-delay: 0.54s; }
      .hero-receipt .rrow:nth-child(4)  { animation-delay: 0.61s; }
      .hero-receipt .rrow:nth-child(5)  { animation-delay: 0.68s; }
      .hero-receipt .rrow:nth-child(6)  { animation-delay: 0.75s; }
      .hero-receipt .rrow:nth-child(7)  { animation-delay: 0.82s; }
      .hero-receipt .rrow:nth-child(8)  { animation-delay: 0.89s; }
      .hero-receipt .rrow:nth-child(9)  { animation-delay: 0.96s; }
      .hero-receipt .rrow:nth-child(10) { animation-delay: 1.03s; }
      @keyframes rrow-in {
        from { opacity: 0; transform: translateY(6px); }
        to   { opacity: 1; transform: none; }
      }
      /* VERIFIED settles in after the fields resolve. A firm ease-out, not a
         bouncy overshoot: this is a security stamp on a crisp product, not a
         playful moment. */
      .receipt-badge { opacity: 0; animation: stamp-in 0.45s var(--ease-out) 1.22s both; }
      @keyframes stamp-in {
        0%   { opacity: 0; transform: scale(1.35); }
        60%  { opacity: 1; }
        100% { opacity: 1; transform: none; }
      }
      /* a teal scan sweeps the ledger when it (re)verifies */
      .receipt-body { position: relative; overflow: hidden; }
      .hero-receipt.scan-run .receipt-body::after {
        content: '';
        position: absolute;
        left: 0; right: 0;
        top: -44px;
        height: 44px;
        pointer-events: none;
        background: linear-gradient(180deg, transparent, rgba(45,212,191,0.20), transparent);
        animation: scan 1.5s ease-in-out both;
      }
      @keyframes scan {
        0%   { top: -44px; opacity: 0; }
        12%  { opacity: 1; }
        88%  { opacity: 1; }
        100% { top: 100%; opacity: 0; }
      }
      /* the PASS line flares green as the scan clears it */
      .hero-receipt.scan-run .rrow-val.green { animation: pass-flare 1.1s ease-out 1.05s; }
      @keyframes pass-flare {
        0%   { text-shadow: none; }
        35%  { text-shadow: 0 0 14px rgba(74,222,128,0.85); }
        100% { text-shadow: none; }
      }
      /* the headline signs itself with a drawn underline */
      .hero h1 em::after {
        content: '';
        position: absolute;
        left: 0; bottom: 0.04em;
        height: 2px; width: 100%;
        background: linear-gradient(90deg, var(--teal), rgba(45,212,191,0));
        transform: scaleX(0);
        transform-origin: left;
        animation: underline-draw 0.9s var(--ease-out) 0.55s both;
      }
      @keyframes underline-draw { to { transform: scaleX(1); } }
    }

    /* Persistent motion (the pulsing status dot) is exactly what
       reduced-motion users want stilled. Stop it; the content stays fully
       legible in place. */
    @media (prefers-reduced-motion: reduce) {
      .receipt-badge::before { animation: none; }
    }

    /* ─── MERKLE INCLUSION PROOF ───────────────────────── */
    .mk-layout {
      display: grid;
      grid-template-columns: 1.35fr 1fr;
      gap: 1.5rem;
      margin-top: 2.5rem;
      align-items: stretch;
    }
    .mk-tree-wrap {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.75rem 1.5rem;
      display: flex; align-items: center; justify-content: center;
    }
    .mk-svg { width: 100%; height: auto; overflow: visible; }
    .mk-edge { stroke: rgba(45,212,191,0.13); stroke-width: 1.5; transition: stroke 0.35s, stroke-width 0.35s; }
    .mk-edge.on { stroke: var(--teal); stroke-width: 2.4; }
    .mk-node { fill: #101018; stroke: rgba(45,212,191,0.28); stroke-width: 1.5; transition: fill 0.35s, stroke 0.35s; }
    .mk-node.leaf { cursor: pointer; }
    .mk-node.leaf:hover { stroke: var(--teal); }
    .mk-node.on { fill: rgba(45,212,191,0.18); stroke: var(--teal); }
    .mk-node.sib { fill: rgba(245,158,11,0.16); stroke: var(--amber); }
    .mk-node.root.on { fill: rgba(45,212,191,0.30); }
    .mk-nlabel { fill: var(--text-4); font-family: var(--mono); font-size: 9px; text-anchor: middle; pointer-events: none; transition: fill 0.35s; }
    .mk-nlabel.on { fill: var(--teal); }
    .mk-nlabel.sib { fill: var(--amber); }
    .mk-cap { fill: var(--text-3); font-family: var(--mono); font-size: 10px; }

    .mk-panel {
      background: var(--bg-1);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.5rem;
      display: flex; flex-direction: column;
    }
    .mk-panel-head {
      font-family: var(--mono); font-size: 0.75rem; color: var(--text-3);
      padding-bottom: 0.9rem; margin-bottom: 1rem;
      border-bottom: 1px solid var(--border);
      display: flex; justify-content: space-between; align-items: center;
    }
    .mk-panel-head b { color: var(--teal); font-weight: 500; }
    .mk-steps { display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
    .mk-step {
      font-family: var(--mono); font-size: 0.7rem; color: var(--text-2);
      opacity: 0; transform: translateX(-6px);
      animation: mk-step-in 0.35s var(--ease-out) forwards;
    }
    @keyframes mk-step-in { to { opacity: 1; transform: none; } }
    .mk-step sub { font-size: 0.72em; }
    .mk-step .mk-h { color: var(--teal); }
    .mk-step .mk-s { color: var(--amber); }
    .mk-result {
      margin-top: 1rem; padding-top: 1rem;
      border-top: 1px solid var(--border);
      font-family: var(--mono); font-size: 0.72rem; color: var(--green);
      display: flex; align-items: center; gap: 0.45rem; flex-wrap: wrap;
    }
    .mk-legend {
      display: flex; gap: 1.25rem; margin-top: 1rem;
      font-family: var(--mono); font-size: 0.66rem; color: var(--text-3);
    }
    .mk-legend span { display: inline-flex; align-items: center; gap: 0.4rem; }
    .mk-legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
    @media (max-width: 820px) {
      .mk-layout { grid-template-columns: 1fr; }
    }