:root {
      color-scheme: light;
      --paper: #f4f1eb;
      --paper-2: #fbf9f4;
      --ink: #181512;
      --muted: #5f594f;
      --quiet: #8a8277;
      --line: #cbc3b7;
      --line-strong: #a99f92;
      --coral: #c9624d;
      --coral-soft: #fff2ec;
      --green: #276f5b;
      --green-soft: #edf7f2;
      --blue: #244d73;
      --blue-soft: #eef4fa;
      --accent: #a24d3b;
      --accent-soft: #fef5f1;
      --shadow: 0 24px 60px rgba(24, 21, 18, .08);
      --mono: "IBM Plex Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;
      --sans: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    }

    * { box-sizing: border-box; }
    html {
      background: var(--paper);
      scroll-behavior: smooth;
      scroll-padding-top: 68px;
    }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: var(--sans);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      overscroll-behavior-y: contain;
    }

    /* Layout Components */
    .shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .section-shell { width: min(1000px, calc(100% - 40px)); margin: 0 auto; }

    /* Topbar */
    .topbar {
      position: sticky; top: 0; z-index: 100;
      backdrop-filter: blur(14px);
      background: rgba(244, 241, 235, .82);
      border-bottom: 1px solid rgba(24, 21, 18, .06);
    }
    .topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
    .brand-mark {
      width: 22px; height: 22px; border: 1px solid var(--ink);
      background: linear-gradient(90deg, transparent 10px, var(--ink) 10px 11px, transparent 11px),
                  linear-gradient(0deg, transparent 10px, var(--ink) 10px 11px, transparent 11px),
                  var(--paper-2);
    }
    .brand-name { font-size: 14px; font-weight: 800; }
    /* .nav-link { padding: 0 12px; font-size: 12px; font-weight: 600; color: var(--muted); text-decoration: none; } */
    .nav-link { padding: 0 12px; font-size: 13px; font-weight: 600; color: var(--muted); text-decoration: none; transition: 0.2s; }
    .nav-link:hover { color: var(--coral); }
    .nav-link:focus-visible {
      outline: 2px solid rgba(201, 98, 77, 0.34);
      outline-offset: 4px;
      border-radius: 4px;
    }
    .btn-outline { background: transparent; border: 1px solid var(--line-strong); color: var(--ink); }
    .nav-link-cta {
      padding: 8px 16px;
      border-radius: 4px;
    }

    /* Hero & Trust Bar */
    .hero {
      min-height: 80vh; display: flex; flex-direction: column; 
      justify-content: center; align-items: center; text-align: center;
      padding: 80px 20px;
      scroll-snap-align: start;
      scroll-snap-stop: always;
    }
    
    .hero-kicker {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 6px 14px; border: 1px solid var(--line-strong);
      font-family: var(--mono); font-size: 12px; margin-bottom: 32px;
      border-radius: 20px; background: #fff;
    }
    .hero-kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
    @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(39,111,91,0.4); } 70% { box-shadow: 0 0 0 10px rgba(39,111,91,0); } 100% { box-shadow: 0 0 0 0 rgba(39,111,91,0); } }
    
    .hero h1 { font-size: clamp(40px, 8vw, 82px); letter-spacing: -3px; line-height: 1.04; margin: 0; }
    .hero p { max-width: 650px; font-size: 18px; color: var(--muted); margin: 24px 0 40px; }
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 22px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .hero-actions .cta-main,
    .hero-actions .ghost-link {
      width: 220px;
      min-height: 62px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      white-space: nowrap;
    }
    .ghost-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 62px;
      padding: 0 30px;
      border: 1px solid rgba(39, 111, 91, 0.22);
      border-radius: 10px;
      color: #fff;
      background: var(--green);
      text-decoration: none;
      font-size: 15px;
      font-weight: 700;
      transition: 0.24s;
    }
    .ghost-link:hover {
      border-color: rgba(39, 111, 91, 0.28);
      background: #215b4a;
      color: #fff;
      transform: translateY(-2px);
    }

    .trust-bar {
      padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
      margin-bottom: 44px; text-align: center;
    }
    .logo-grid {
      display: flex; justify-content: center; gap: 40px; opacity: 0.5; filter: grayscale(1);
      flex-wrap: wrap; align-items: center;
    }
    .logo-item { font-family: var(--mono); font-weight: 700; letter-spacing: 2px; }

    /* Capability Portal */
    .portal-overlay {
      position: fixed;
      inset: 0;
      z-index: 200;
      background: var(--paper);
      backdrop-filter: blur(12px);
      overflow-y: auto;
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.26s ease, visibility 0.26s;
    }
    .portal-overlay.is-open {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
    }
    @keyframes portalCardIn {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .portal-overlay.is-open .portal-card {
      animation: portalCardIn 0.38s ease both;
    }
    .portal-overlay.is-open .portal-section:nth-child(1) .portal-card { animation-delay: 0.04s; }
    .portal-overlay.is-open .portal-section:nth-child(2) .portal-card { animation-delay: 0.08s; }
    .portal-overlay.is-open .portal-section:nth-child(3) .portal-card { animation-delay: 0.12s; }
    .portal-overlay.is-open .portal-section:nth-child(4) .portal-card { animation-delay: 0.16s; }
    .portal-shell {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      padding: 28px 0 56px;
    }
    .portal-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 8px 0 18px;
      position: sticky;
      top: 0;
      z-index: 4;
      background: var(--paper);
      border-bottom: 1px solid rgba(24, 21, 18, 0.06);
      box-shadow: 0 12px 24px rgba(244, 241, 235, 0.7);
    }
    .portal-close {
      width: 42px;
      height: 42px;
      border: 1px solid rgba(24, 21, 18, 0.12);
      background: rgba(255, 255, 255, 0.9);
      color: var(--ink);
      font-size: 18px;
      cursor: pointer;
    }
    .portal-intro {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 28px;
      align-items: start;
      margin-bottom: 28px;
    }
    .portal-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 12px;
      border: 1px solid rgba(24, 21, 18, 0.1);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.8);
      font-family: var(--mono);
      font-size: 11px;
      color: var(--muted);
    }
    .portal-intro h2 {
      margin: 18px 0 14px;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.02;
      letter-spacing: -2px;
    }
    .portal-intro p {
      max-width: 620px;
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }
    .portal-quicklinks {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
    .portal-quicklinks--feature {
      display: block;
    }
    .quick-card {
      min-height: 116px;
      padding: 18px 18px 16px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid rgba(24, 21, 18, 0.08);
      border-radius: 10px;
      text-decoration: none;
      color: var(--ink);
      box-shadow: 0 12px 24px rgba(24, 21, 18, 0.04);
    }
    .quick-card strong {
      display: block;
      margin-bottom: 6px;
      font-size: 16px;
    }
    .quick-card span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .portal-feature-panel {
      display: flex;
      min-height: 248px;
      padding: 28px;
      flex-direction: column;
      justify-content: center;
      border: 1px solid rgba(37, 78, 118, 0.14);
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(238, 244, 250, 0.72));
      box-shadow: 0 18px 40px rgba(24, 21, 18, 0.05);
      color: var(--ink);
      text-decoration: none;
    }
    .portal-feature-eyebrow {
      margin-bottom: 14px;
      color: var(--blue);
      font-size: 12px;
      font-weight: 800;
    }
    .portal-feature-panel strong {
      max-width: 360px;
      font-size: 26px;
      line-height: 1.25;
      letter-spacing: -.03em;
    }
    .portal-feature-panel p {
      margin: 16px 0 18px;
      max-width: 430px;
      font-size: 14px;
      line-height: 1.8;
    }
    .portal-feature-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
    }
    .portal-feature-points span {
      min-height: 26px;
      padding: 4px 9px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }
    .portal-feature-action {
      color: var(--ink);
      font-size: 14px;
      font-weight: 800;
    }
    .portal-feature-panel--forum {
      position: relative;
      overflow: hidden;
      border-color: rgba(39, 111, 91, 0.34);
      background:
        linear-gradient(135deg, rgba(24, 21, 18, 0.96), rgba(39, 111, 91, 0.92)),
        var(--ink);
      color: #fff;
      box-shadow: 0 24px 54px rgba(24, 21, 18, 0.16);
    }
    .portal-feature-panel--forum::after {
      content: "";
      position: absolute;
      right: -48px;
      top: -48px;
      width: 160px;
      height: 160px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      transform: rotate(16deg);
    }
    .portal-feature-panel--forum .portal-feature-eyebrow {
      color: rgba(255, 255, 255, 0.72);
    }
    .portal-feature-panel--forum strong,
    .portal-feature-panel--forum p,
    .portal-feature-panel--forum .portal-feature-action {
      position: relative;
      z-index: 1;
    }
    .portal-feature-panel--forum p {
      color: rgba(255, 255, 255, 0.78);
    }
    .portal-feature-panel--forum .portal-feature-points {
      position: relative;
      z-index: 1;
    }
    .portal-feature-panel--forum .portal-feature-points span {
      background: rgba(255, 255, 255, 0.12);
      color: rgba(255, 255, 255, 0.82);
    }
    .portal-feature-panel--forum .portal-feature-action {
      width: fit-content;
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--ink);
    }
    .portal-toolbar {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      margin: 8px 0 22px;
    }
    .portal-search {
      min-height: 52px;
      padding: 0 16px;
      border: 1px solid rgba(24, 21, 18, 0.12);
      background: rgba(255, 255, 255, 0.84);
      font-size: 15px;
      border-radius: 8px;
    }
    .filter-group {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .filter-chip {
      min-height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(24, 21, 18, 0.10);
      background: rgba(255, 255, 255, 0.8);
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
    }
    .filter-chip:hover {
      transform: translateY(-1px);
    }
    .filter-chip.is-active {
      background: var(--ink);
      color: #fff;
      border-color: var(--ink);
    }
    .filter-chip--experiment.is-active {
      background: var(--green);
      border-color: var(--green);
    }
    .filter-chip--workflow.is-active {
      background: #8a5f1d;
      border-color: #8a5f1d;
    }
    .filter-chip--guide.is-active {
      background: var(--blue);
      border-color: var(--blue);
    }
    .filter-chip--signal.is-active {
      background: var(--accent);
      border-color: var(--accent);
    }
    .portal-section {
      padding: 28px 0 22px;
      border-top: 1px solid rgba(24, 21, 18, 0.08);
      scroll-margin-top: 92px;
    }
    .portal-section:first-of-type { border-top: none; }
    .portal-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }
    .portal-head-side {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 14px;
      min-width: 0;
    }
    .portal-headline {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .portal-headline::before {
      content: "";
      width: 4px;
      height: 22px;
      border-radius: 999px;
      background: var(--blue);
      flex: 0 0 auto;
    }
    .portal-section--workflow .portal-headline::before { background: #8a5f1d; }
    .portal-section--experiment .portal-headline::before { background: var(--green); }
    .portal-section--signal .portal-headline::before { background: var(--coral); }
    .portal-head h3 {
      margin: 0;
      font-size: 22px;
      letter-spacing: -.02em;
    }
    .portal-head p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      max-width: 420px;
    }
    .portal-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .portal-card {
      display: flex;
      flex-direction: column;
      width: 100%;
      max-width: 100%;
      min-width: 0;
      min-height: 220px;
      padding: 22px;
      border: 1px solid rgba(24, 21, 18, 0.10);
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.84);
      box-shadow: 0 12px 28px rgba(24, 21, 18, 0.03);
      color: var(--ink);
      text-decoration: none;
      cursor: pointer;
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .portal-card:hover {
      transform: translateY(-2px);
      border-color: rgba(24, 21, 18, 0.18);
      box-shadow: 0 18px 38px rgba(24, 21, 18, 0.07);
    }
    .portal-card:focus-visible {
      outline: 2px solid rgba(37, 78, 118, 0.32);
      outline-offset: 3px;
    }
    .portal-card.is-hidden { display: none; }
    .portal-card.is-collapsed { display: none; }
    .portal-card--featured {
      grid-column: 1 / -1;
      min-height: 168px;
      background: linear-gradient(90deg, rgba(37, 78, 118, 0.08), rgba(255, 255, 255, 0.86) 62%);
      border-color: rgba(37, 78, 118, 0.16);
    }
    .portal-card--featured h4 {
      font-size: 22px;
    }
    .portal-card--featured p {
      max-width: 720px;
    }
    .portal-card--featured .portal-tags {
      margin-top: 0;
    }
    .portal-card-title {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 10px;
    }
    .portal-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      width: auto;
      min-width: 0;
      height: 24px;
      padding: 0 8px;
      background: var(--paper-2);
      border: 1px solid rgba(24, 21, 18, 0.08);
      border-radius: 999px;
      font-family: var(--mono);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: .04em;
    }
    .portal-card h4 {
      min-width: 0;
      margin: 0;
      font-size: 20px;
      letter-spacing: -.02em;
    }
    .portal-card p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      overflow-wrap: anywhere;
    }
    .portal-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: auto;
      margin-bottom: 18px;
    }
    .portal-tag {
      display: inline-flex;
      align-items: center;
      min-height: 24px;
      padding: 0 8px;
      border-radius: 999px;
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
      font-size: 11px;
      font-weight: 700;
    }
    .portal-card--experiment .portal-tag--1 {
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
    }
    .portal-card--experiment .portal-tag--2 {
      background: rgba(37, 78, 118, 0.08);
      color: var(--blue);
    }
    .portal-card--experiment .portal-tag--3 {
      background: rgba(151, 106, 35, 0.09);
      color: #8a5f1d;
    }
    .portal-card--experiment .portal-tag--4 {
      background: rgba(162, 77, 59, 0.08);
      color: var(--accent);
    }
    .portal-card--workflow .portal-tag--1 {
      background: rgba(151, 106, 35, 0.10);
      color: #8a5f1d;
    }
    .portal-card--workflow .portal-tag--2 {
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
    }
    .portal-card--workflow .portal-tag--3 {
      background: rgba(37, 78, 118, 0.08);
      color: var(--blue);
    }
    .portal-card--workflow .portal-tag--4 {
      background: rgba(162, 77, 59, 0.08);
      color: var(--accent);
    }
    .portal-card--guide .portal-tag--1 {
      background: rgba(37, 78, 118, 0.09);
      color: #254e76;
    }
    .portal-card--guide .portal-tag--2 {
      background: rgba(151, 106, 35, 0.10);
      color: #8a5f1d;
    }
    .portal-card--guide .portal-tag--3 {
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
    }
    .portal-card--guide .portal-tag--4 {
      background: rgba(162, 77, 59, 0.08);
      color: var(--accent);
    }
    .portal-card--signal .portal-tag--1 {
      background: rgba(162, 77, 59, 0.10);
      color: var(--accent);
    }
    .portal-card--signal .portal-tag--2 {
      background: rgba(37, 78, 118, 0.08);
      color: var(--blue);
    }
    .portal-card--signal .portal-tag--3 {
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
    }
    .portal-card--signal .portal-tag--4 {
      background: rgba(151, 106, 35, 0.09);
      color: #8a5f1d;
    }
    .portal-card--experiment .portal-badge {
      background: rgba(39, 111, 91, 0.06);
      border-color: rgba(39, 111, 91, 0.14);
    }
    .portal-card--workflow .portal-badge {
      background: rgba(151, 106, 35, 0.08);
      border-color: rgba(151, 106, 35, 0.16);
    }
    .portal-card--guide .portal-badge {
      background: rgba(37, 78, 118, 0.07);
      border-color: rgba(37, 78, 118, 0.14);
    }
    .portal-card--signal .portal-badge {
      background: rgba(162, 77, 59, 0.08);
      border-color: rgba(162, 77, 59, 0.16);
    }
    .portal-card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: var(--quiet);
      font-size: 12px;
      font-family: var(--mono);
    }
    .portal-card-foot .portal-card-action {
      color: var(--ink);
      text-decoration: none;
      font-weight: 700;
    }
    .portal-more {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border: 1px solid rgba(39, 111, 91, 0.22);
      border-radius: 999px;
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
      font-size: 13px;
      font-weight: 800;
      cursor: pointer;
      white-space: nowrap;
    }
    .portal-more:hover {
      background: rgba(39, 111, 91, 0.12);
      border-color: rgba(39, 111, 91, 0.34);
    }
    .portal-more:focus-visible {
      outline: 2px solid rgba(39, 111, 91, 0.34);
      outline-offset: 3px;
    }
    .portal-more.is-hidden {
      display: none;
    }
    .portal-section.is-empty {
      display: none;
    }

    /* Contact Bridge */
    .contact-bridge {
      padding: 0;
      background: var(--paper-2);
    }
    .contact-bridge-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      padding: 18px 0 20px;
      border-top: 1px solid rgba(24, 21, 18, 0.08);
    }
    .bridge-kicker {
      display: inline-flex;
      margin-bottom: 10px;
      color: var(--green);
      font-family: var(--mono);
      font-size: 11px;
      font-weight: 900;
      letter-spacing: .08em;
    }
    .contact-bridge h2 {
      margin: 0 0 8px;
      color: var(--ink);
      font-size: 24px;
      line-height: 1.2;
      letter-spacing: 0;
    }
    .contact-bridge p {
      max-width: 680px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }
    .bridge-actions {
      display: flex;
      flex: 0 0 auto;
      gap: 10px;
      align-items: center;
    }
    .bridge-actions .expert-primary,
    .bridge-actions .expert-secondary {
      min-width: 154px;
      min-height: 48px;
    }

    /* Expert Contact */
    #expert-section {
      padding: 38px 0 40px;
      background: var(--paper-2);
    }

    /* Diagnosis Section */
    #diagnosis-section {
      padding: 18px 0 34px;
      background: var(--paper-2);
    }
    .expert-contact {
      display: grid;
      grid-template-columns: 1fr;
      gap: 26px;
      align-items: start;
      padding-bottom: 34px;
    }
    .expert-copy {
      min-width: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      max-width: 760px;
      padding: 8px 0 4px;
    }
    .expert-kicker {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 12px;
      border: 1px solid rgba(24, 21, 18, 0.12);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--green);
      font-family: var(--mono);
      font-size: 11px;
      font-weight: 800;
      letter-spacing: .08em;
    }
    .expert-copy h2 {
      max-width: 700px;
      margin: 18px 0 14px;
      color: var(--ink);
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.08;
      letter-spacing: -1px;
    }
    .expert-copy p {
      max-width: 760px;
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }
    .expert-primary,
    .expert-secondary {
      min-width: 176px;
      min-height: 52px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      padding: 0 18px;
      text-decoration: none;
      font-size: 14px;
      font-weight: 800;
      transition: transform 0.2s, background 0.2s, border-color 0.2s;
    }
    .expert-primary {
      background: var(--ink);
      color: #fff;
    }
    .expert-secondary {
      border: 1px solid rgba(24, 21, 18, 0.16);
      background: rgba(255, 255, 255, 0.72);
      color: var(--ink);
    }
    .expert-primary:hover,
    .expert-secondary:hover {
      transform: translateY(-1px);
    }
    .expert-primary:hover {
      background: var(--coral);
    }
    .expert-secondary:hover {
      border-color: rgba(39, 111, 91, 0.28);
      color: var(--green);
    }
    .expert-primary:focus-visible,
    .expert-secondary:focus-visible {
      outline: 3px solid rgba(201, 98, 77, 0.30);
      outline-offset: 3px;
    }
    .expert-panel {
      min-width: 0;
      padding: 30px;
      border: 1px solid rgba(39, 111, 91, 0.24);
      border-radius: 10px;
      background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.90), rgba(241, 247, 244, 0.82)),
        #fff;
      box-shadow: 0 18px 42px rgba(24, 21, 18, 0.055);
    }
    .expert-panel-head {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.72fr);
      gap: 12px;
      align-items: end;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid rgba(24, 21, 18, 0.08);
    }
    .expert-panel-head strong {
      display: block;
      color: var(--ink);
      font-size: 22px;
      line-height: 1.25;
    }
    .expert-panel-head p {
      max-width: 420px;
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .expert-form {
      align-self: center;
      width: 100%;
      max-width: none;
      justify-self: stretch;
    }
    .expert-form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .expert-field {
      display: grid;
      gap: 8px;
    }
    .expert-field--full {
      grid-column: 1 / -1;
    }
    .expert-field label {
      color: var(--ink);
      font-size: 13px;
      font-weight: 800;
    }
    .expert-field input,
    .expert-field select,
    .expert-field textarea {
      width: 100%;
      min-height: 46px;
      border: 1px solid rgba(24, 21, 18, 0.14);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.76);
      color: var(--ink);
      font: inherit;
      font-size: 14px;
      padding: 0 14px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    }
    .expert-field select,
    .field select {
      appearance: none;
      padding-right: 42px;
      background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.5 5.25L7 8.75L10.5 5.25' stroke='%23181512' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      background-size: 14px 14px;
    }
    .expert-field textarea {
      min-height: 108px;
      resize: vertical;
      padding-top: 12px;
      line-height: 1.7;
    }
    .expert-field input:focus,
    .expert-field select:focus,
    .expert-field textarea:focus {
      border-color: rgba(39, 111, 91, 0.48);
      background-color: #fff;
      box-shadow: 0 0 0 3px rgba(39, 111, 91, 0.10);
    }
    .expert-submit {
      width: 100%;
      min-height: 50px;
      margin-top: 16px;
      border: none;
      border-radius: 8px;
      background: var(--ink);
      color: #fff;
      font: inherit;
      font-size: 14px;
      font-weight: 900;
      cursor: pointer;
      transition: transform 0.2s, background 0.2s;
    }
    .expert-submit:hover:not(:disabled) {
      transform: translateY(-1px);
      background: var(--coral);
    }
    .expert-submit:disabled {
      cursor: wait;
      opacity: 0.68;
      transform: none;
    }
    .expert-submit:focus-visible {
      outline: 3px solid rgba(201, 98, 77, 0.30);
      outline-offset: 3px;
    }
    .expert-form-note {
      margin: 12px 0 0;
      color: var(--quiet);
      font-size: 12px;
      line-height: 1.7;
    }
    .expert-form-note.is-success {
      color: var(--green);
      font-weight: 800;
    }
    .expert-form-note.is-error {
      color: var(--coral);
      font-weight: 800;
    }
    .expert-priority {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 16px;
      border: 1px solid rgba(24, 21, 18, 0.08);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.62);
    }
    .expert-priority span {
      color: var(--green);
      font-family: var(--mono);
      font-size: 11px;
      font-weight: 900;
      letter-spacing: .08em;
      text-transform: uppercase;
    }
    .expert-priority p {
      flex: 1;
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    .expert-priority a {
      color: var(--ink);
      font-size: 13px;
      font-weight: 900;
      text-decoration: none;
      white-space: nowrap;
    }
    .expert-checks {
      display: grid;
      gap: 12px;
    }
    .expert-checks div {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(24, 21, 18, 0.06);
    }
    .expert-checks b {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: rgba(39, 111, 91, 0.10);
      color: var(--green);
      font-family: var(--mono);
      font-size: 12px;
    }
    .expert-checks p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }
    .diagnosis-grid { display: grid; grid-template-columns: minmax(0, 1fr) 332px; gap: 34px; align-items: start; }
    
    .form-card {
      background: rgba(255, 255, 255, 0.92);
      padding: 42px 40px 38px;
      border: none;
      border-radius: 10px;
      box-shadow: 0 18px 42px rgba(24, 21, 18, 0.06);
    }
    .field { margin-bottom: 26px; }
    .field label { display: block; margin-bottom: 12px; font-size: 16px; font-weight: 700; }
    .field select, .field input, .field textarea {
      width: 100%;
      padding: 15px 16px;
      min-height: 56px;
      border: 1px solid var(--line);
      background: #fcfbf8;
      font-size: 15px;
      border-radius: 6px;
      font-family: inherit;
    }
    .field select {
      appearance: none;
      padding-right: 46px;
      background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.5 5.25L7 8.75L10.5 5.25' stroke='%23181512' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 18px center;
      background-size: 14px 14px;
    }
    .form-title { margin: 0 0 28px; font-size: 15px; color: var(--muted); font-weight: 500; }
    .submit-note { font-size: 11px; color: var(--quiet); margin-top: 15px; text-align: center; }
    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }
    .honeypot { display: none; }
    .diagnosis-side {
      padding-top: 18px;
    }
    .side-stack {
      position: sticky;
      top: 100px;
      display: grid;
      gap: 16px;
    }
    .side-card {
      background: transparent;
    }
    .side-panel {
      padding: 0;
    }
    .side-card.safety-panel .side-panel {
      padding: 4px 6px 0 2px;
    }
    .side-card.data-panel .side-panel {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 22px 20px;
      box-shadow: 0 12px 24px rgba(24, 21, 18, 0.045);
    }
    .data-head {
      display: flex;
      align-items: start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }
    .data-kicker {
      color: var(--quiet);
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .data-badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 10px;
      border: 1px solid rgba(39, 111, 91, 0.18);
      border-radius: 999px;
      background: rgba(39, 111, 91, 0.08);
      color: var(--green);
      font-family: var(--mono);
      font-size: 10px;
      white-space: nowrap;
    }
    .side-card.data-panel h4 {
      margin: 0;
      font-size: 17px;
      letter-spacing: -.02em;
    }
    .data-updated {
      margin: 0 0 14px;
      color: var(--quiet);
      font-size: 12px;
    }
    .side-metrics {
      display: grid;
      gap: 8px;
    }
    .metric-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: baseline;
      padding-bottom: 8px;
      border-bottom: 1px solid rgba(24, 21, 18, 0.08);
      font-size: 13px;
      color: var(--muted);
    }
    .metric-row:last-child {
      padding-bottom: 0;
      border-bottom: none;
    }
    .metric-row strong {
      color: var(--ink);
      font-weight: 700;
    }
    .metric-row .good {
      color: var(--green);
      font-weight: 700;
    }
    .side-divider {
      border: 0;
      border-top: 1px solid var(--paper);
      margin: 14px 0 12px;
    }
    .side-quote {
      margin: 0;
      font-size: 12px;
      color: var(--quiet);
      line-height: 1.65;
    }
    .quote-source {
      display: inline-block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 600;
    }
    .data-source {
      margin-top: 12px;
      color: var(--quiet);
      font-size: 11px;
      line-height: 1.6;
    }
    .side-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
    }
    .side-head::before {
      content: "";
      width: 3px;
      height: 26px;
      background: var(--coral);
    }
    .side-head h4 {
      margin: 0;
      font-size: 17px;
      letter-spacing: -.02em;
    }
    .side-group { margin-bottom: 18px; }
    .side-group strong {
      display: block;
      margin-bottom: 4px;
      font-size: 14px;
    }
    .side-group p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    /* Analyzing Animation */
    #analyzing {
      display: none;
      text-align: center;
    }
    .analysis-card {
      min-height: 560px;
      padding: 42px 40px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.92);
      box-shadow: 0 18px 42px rgba(24, 21, 18, 0.06);
      place-items: center;
    }
    #steps { max-width: 360px; }
    .spinner { width: 44px; height: 44px; border: 2px solid var(--line); border-top-color: var(--coral); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 24px; }
    @keyframes spin { to { transform: rotate(360deg); } }
    .step-item { font-family: var(--mono); font-size: 13px; color: var(--quiet); margin: 10px 0; opacity: 0.3; transition: 0.3s; }
    .step-item.active { opacity: 1; color: var(--ink); }

    /* Report Paper */
    #reportArea {
      display: none;
      margin-top: 0;
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.36s ease, transform 0.36s ease;
    }
    #reportArea.is-visible {
      opacity: 1;
      transform: translateY(0);
    }
    .report-paper {
      background: #fff;
      padding: 56px 52px 48px;
      border: 1px solid rgba(24, 21, 18, 0.12);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }
    .report-watermark {
      position: absolute;
      top: 38px;
      right: 28px;
      font-family: var(--mono);
      font-size: 11px;
      letter-spacing: .16em;
      color: rgba(24, 21, 18, 0.12);
      border: 1px solid rgba(24, 21, 18, 0.08);
      padding: 6px 10px;
      transform: rotate(14deg);
      pointer-events: none;
    }
    .report-header {
      border-bottom: 2px solid var(--ink);
      padding-bottom: 18px;
      margin-bottom: 30px;
    }
    .report-ref {
      font-family: var(--mono);
      font-size: 11px;
      color: var(--quiet);
      letter-spacing: .08em;
    }
    .report-paper h3 {
      margin: 12px 0 14px;
      font-size: 30px;
      letter-spacing: -.03em;
      line-height: 1.15;
    }
    .report-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }
    .report-status {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 12px;
      border-radius: 999px;
      background: var(--coral-soft);
      color: var(--coral);
      font-size: 12px;
      font-weight: 700;
    }
    .report-date {
      font-size: 12px;
      color: var(--quiet);
    }
    .report-section-title {
      margin: 0 0 10px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .02em;
    }
    .report-logic {
      margin: 0;
      line-height: 1.85;
      color: var(--muted);
      font-size: 14px;
    }
    .roi-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin: 28px 0 24px;
    }
    .roi-card {
      padding: 24px;
      background: var(--paper);
      border-radius: 6px;
      text-align: center;
    }
    .roi-val {
      display: block;
      font-size: 24px;
      font-weight: 800;
      color: var(--coral);
      margin-top: 8px;
      line-height: 1.25;
    }
    .roi-label {
      font-size: 11px;
      color: var(--quiet);
    }
    .roi-model {
      font-size: 16px;
    }
    .report-detail-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 22px;
      margin-top: 24px;
    }
    .report-panel {
      padding: 0;
      background: transparent;
      border: 0;
    }
    .report-steps {
      margin: 0;
      padding-left: 18px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }
    .report-steps li + li {
      margin-top: 4px;
    }
    .report-advice {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }
    .report-actions {
      margin-top: 28px;
      padding-top: 24px;
      border-top: 1px solid rgba(24, 21, 18, 0.10);
    }
    .report-actions p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }
    .report-action-row {
      display: flex;
      gap: 12px;
      align-items: stretch;
    }
    .report-action-row .cta-main {
      flex: 1;
      min-height: 58px;
      padding: 16px 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      line-height: 1.35;
      white-space: normal;
      overflow-wrap: anywhere;
    }
    .report-action-row .report-action-primary {
      flex: 1.25;
    }
    .report-action-row .cta-outline {
      background: transparent;
      color: var(--ink);
      border: 1px solid rgba(24, 21, 18, 0.18);
    }
    .report-action-row .cta-outline:hover {
      background: #fff4ee;
      border-color: rgba(201, 98, 77, 0.28);
      color: var(--coral);
    }
    .report-action-row .cta-main:disabled {
      cursor: wait;
      opacity: 0.72;
    }
    .pdf-export-stage {
      position: fixed;
      top: 0;
      left: -10000px;
      width: 760px;
      background: #fff;
      pointer-events: none;
    }
    .report-pdf-export {
      width: 760px;
      padding: 48px 48px 44px;
      border: none;
      box-shadow: none;
    }
    .report-pdf-export .report-actions {
      display: none;
    }

    @media print {
      @page {
        margin: 14mm;
      }
      body {
        background: #fff;
      }
      body > *:not(main),
      main > section:not(#diagnosis-section),
      #b2bForm,
      #analyzing,
      .diagnosis-side,
      .report-actions {
        display: none !important;
      }
      #diagnosis-section {
        padding: 0 !important;
        background: #fff !important;
      }
      #diagnosis-section .shell,
      .diagnosis-grid {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        padding: 0 !important;
      }
      #reportArea {
        display: block !important;
        margin: 0 !important;
        opacity: 1 !important;
        transform: none !important;
      }
      .report-paper {
        width: 100% !important;
        padding: 0 !important;
        border: 0 !important;
        box-shadow: none !important;
      }
    }

    /* Third Screen */
    .ops-section {
      padding: 38px 0 76px;
      background: #fff;
    }
    .ops-head {
      max-width: 760px;
      margin: 0 auto 38px;
      text-align: center;
    }
    .ops-head h2 {
      margin: 0;
      font-size: clamp(32px, 4vw, 50px);
      letter-spacing: -1.4px;
      line-height: 1.12;
    }
    .ops-head p {
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
    }
    .ops-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }
    .ops-card {
      min-height: 202px;
      padding: 26px;
      border: 1px solid rgba(24, 21, 18, 0.10);
      border-radius: 6px;
      background: rgba(251, 249, 244, 0.56);
    }
    .ops-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--paper-2);
      color: var(--ink);
      font-family: var(--mono);
      font-size: 13px;
      font-weight: 700;
    }
    .ops-card h4 {
      margin: 18px 0 14px;
      font-size: 18px;
      letter-spacing: -.02em;
    }
    .ops-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .caps-section {
      padding: 120px 0 110px;
      background: var(--paper);
    }
    .caps-head { text-align: center; }
    .caps-head h2 { margin: 0; font-size: clamp(34px, 4.5vw, 54px); letter-spacing: -1.6px; }
    .caps-head p { margin: 22px auto 0; max-width: 460px; color: var(--muted); font-size: 16px; line-height: 1.8; }
    .cap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px; margin-top: 84px; }
    .cap-item {
      padding: 28px 28px 26px;
      border: 1px solid rgba(24, 21, 18, 0.10);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.72);
      box-shadow: 0 12px 30px rgba(24, 21, 18, 0.04);
    }
    .cap-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 42px;
      height: 42px;
      padding: 0 12px;
      margin-bottom: 18px;
      background: var(--paper-2);
      border: 1px solid rgba(24, 21, 18, 0.08);
      color: var(--ink);
      font-family: var(--mono);
      font-size: 13px;
      font-weight: 700;
    }
    .cap-item h4 { margin: 0 0 14px; font-size: 20px; letter-spacing: -.02em; }
    .cap-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
    .reason-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 60px;
      margin-top: 76px;
    }
    .reason-item h4 {
      margin: 0 0 14px;
      font-size: 18px;
      letter-spacing: -.02em;
    }
    .reason-line {
      width: 32px;
      height: 2px;
      margin-bottom: 14px;
      background: var(--coral);
    }
    .reason-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.9;
    }

    /* Buttons */
    .cta-main {
      padding: 20px 40px; background: var(--ink); color: #fff;
      font-size: 16px; font-weight: 700; border: none; cursor: pointer;
      transition: 0.3s; display: inline-block; text-decoration: none;
      border-radius: 10px;
    }
    .cta-main:hover { background: var(--coral); transform: translateY(-2px); }
    .cta-main:focus-visible {
      outline: 3px solid rgba(201, 98, 77, 0.32);
      outline-offset: 3px;
    }
    .cta-full { width: 100%; }

    /* Footer */
    footer { background: var(--ink); color: #fff; padding: 100px 0 60px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 80px; margin-bottom: 80px; }
    .footer-col h4 { font-size: 14px; color: var(--quiet); margin-bottom: 20px; }
    .footer-col a { display: block; color: #fff; text-decoration: none; margin-bottom: 12px; font-size: 14px; opacity: 0.6; }
    .footer-col a:hover { opacity: 1; }
    .footer-brand {
      color: #fff;
      margin-bottom: 30px;
    }
    .footer-brand-mark {
      border-color: #fff;
      background: var(--ink);
    }
    .footer-note {
      font-size: 14px;
      opacity: 0.5;
      max-width: 300px;
    }
    .footer-meta {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 40px;
      font-size: 12px;
      opacity: 0.4;
    }

    @media (max-width: 850px) {
      .portal-shell {
        width: calc(100% - 32px);
        max-width: 640px;
      }
      .expert-contact, .diagnosis-grid, .roi-box, .footer-grid, .ops-grid, .cap-grid, .reason-grid { grid-template-columns: 1fr; }
      .contact-bridge-inner {
        align-items: stretch;
        flex-direction: column;
        gap: 18px;
        padding: 18px 0;
      }
      .contact-bridge h2 {
        font-size: 22px;
      }
      .bridge-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
      }
      .bridge-actions .expert-primary,
      .bridge-actions .expert-secondary {
        width: 100%;
      }
      .hero-actions {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }
      .hero-actions .cta-main,
      .hero-actions .ghost-link {
        width: 100%;
        min-height: 56px;
        padding: 0 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
      }
      .portal-intro, .portal-toolbar, .portal-grid {
        grid-template-columns: minmax(0, 1fr);
        min-width: 0;
      }
      .portal-quicklinks { grid-template-columns: 1fr; }
      .portal-topbar, .portal-head { align-items: start; }
      .portal-head { flex-direction: column; }
      .portal-head-side {
        width: 100%;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
      }
      .portal-head p { max-width: none; }
      .portal-card--featured {
        display: flex;
        grid-column: auto;
        min-height: 220px;
        background: rgba(255, 255, 255, 0.86);
      }
      .portal-card--featured .portal-card-top {
        margin-bottom: 16px;
        grid-row: auto;
      }
      .portal-card--featured h4 {
        font-size: 22px;
      }
      .portal-card--featured .portal-tags {
        margin-top: auto;
      }
      .filter-group { justify-content: flex-start; }
      .portal-more {
        min-width: 0;
        max-width: 100%;
      }
      .report-paper { padding: 30px; }
      .report-detail-grid { grid-template-columns: 1fr; }
      .report-action-row { flex-direction: column; }
      .report-action-row .cta-main {
        width: 100%;
        min-height: 54px;
      }
      .expert-contact {
        gap: 18px;
        padding-bottom: 24px;
      }
      .expert-copy {
        padding: 18px 0 4px;
      }
      .expert-copy h2 {
        font-size: 34px;
        letter-spacing: 0;
      }
      .expert-copy p {
        font-size: 15px;
      }
      .expert-panel-head {
        grid-template-columns: 1fr;
      }
      .expert-form {
        max-width: none;
        justify-self: stretch;
      }
      .expert-primary,
      .expert-secondary {
        width: 100%;
        min-width: 0;
      }
      .expert-panel {
        padding: 22px 20px;
      }
      .expert-form-grid {
        grid-template-columns: 1fr;
      }
      .expert-priority {
        align-items: flex-start;
        flex-direction: column;
      }
      .expert-priority a {
        white-space: normal;
      }
      .expert-checks div {
        grid-template-columns: 38px minmax(0, 1fr);
      }
      .ops-section { padding: 42px 0 60px; }
      .ops-head { margin-bottom: 26px; }
      .caps-section { padding: 100px 0 80px; }
      .caps-head p { max-width: 320px; }
      .form-card { padding: 28px 24px; box-shadow: 0 14px 30px rgba(24, 21, 18, 0.05); }
      .analysis-card {
        min-height: 500px;
        padding: 32px 24px;
      }
      .diagnosis-side { padding-top: 0; }
      .side-stack { position: static; margin-top: 8px; }
      .cap-item { padding: 24px 22px; }
    }
  


@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* Skip-to-content link for keyboard users */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 9999;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s ease-out;
}
.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}


/* --- Mid breakpoints (laptop & narrow desktop) --- */
@media (max-width: 1280px) {
  .shell { width: min(1120px, calc(100% - 40px)); }
  .hero h1 { font-size: clamp(40px, 4.6vw, 64px); line-height: 1.08; }
  .diagnosis-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
  .reason-grid { gap: 20px; }
  .cap-grid { gap: 20px; }
}

@media (max-width: 1024px) {
  .shell { width: min(960px, calc(100% - 32px)); }
  .hero h1 { font-size: clamp(36px, 5.4vw, 56px); }
  .diagnosis-grid { grid-template-columns: minmax(0, 1fr) 280px; gap: 22px; }
  .reason-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-bar .logo-grid { gap: 18px; flex-wrap: wrap; }
}