@layer reset, tokens, base, layout, components, utilities;

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
  }

  body,
  h1,
  h2,
  h3,
  h4,
  p,
  ul,
  ol,
  figure {
    margin: 0;
  }

  ul,
  ol {
    padding: 0;
    list-style: none;
  }

  button,
  input,
  textarea,
  select {
    font: inherit;
  }

  img,
  svg {
    display: block;
    max-inline-size: 100%;
  }

  a {
    color: inherit;
    text-decoration: none;
  }
}

@layer tokens {
  :root {
    --navy-950: #071a2d;
    --navy-900: #0e2a47;
    --navy-800: #173a5e;
    --navy-700: #24486e;
    --navy-600: #315b83;
    --gold-600: #a97f35;
    --gold-500: #c8a05a;
    --gold-200: #ead7b1;
    --gold-100: #f4ead5;
    --cyan-600: #0e7490;
    --cyan-500: #1595b3;
    --green-600: #147a55;
    --green-100: #dff5eb;
    --red-600: #b83d3d;
    --red-100: #fde9e7;
    --amber-700: #946412;
    --amber-100: #fff2d5;
    --ink: #0e2a47;
    --ink-2: #3e5368;
    --ink-3: #607387;
    --paper: #ffffff;
    --paper-blue: #f6f9fc;
    --paper-blue-2: #edf3f9;
    --line: #dbe4ee;
    --line-strong: #c6d3e1;
    --shadow-sm: 0 1px 2px rgb(14 42 71 / 0.05), 0 8px 24px -18px rgb(14 42 71 / 0.25);
    --shadow-md: 0 14px 42px -24px rgb(14 42 71 / 0.32), 0 3px 10px -5px rgb(14 42 71 / 0.12);
    --shadow-lg: 0 32px 90px -42px rgb(7 26 45 / 0.52), 0 12px 30px -20px rgb(7 26 45 / 0.22);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --container: clamp(1240px, 92vw, 3000px);
    --gutter: clamp(18px, 3vw, 72px);
    --sans: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
    --display: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
    --mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --duration-fast: 150ms;
    --duration-base: 260ms;
    --focus: 0 0 0 3px #fff, 0 0 0 6px #0e7490;
  }
}

@layer base {
  html {
    color-scheme: light;
  }

  body {
    min-inline-size: 320px;
    color: var(--ink);
    background:
      radial-gradient(1100px 620px at 88% -8%, rgb(200 160 90 / 0.12), transparent 62%),
      radial-gradient(900px 520px at 4% 6%, rgb(21 149 179 / 0.08), transparent 65%),
      linear-gradient(180deg, #f7fafc 0%, #edf3f8 52%, #f8fafc 100%);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
      linear-gradient(rgb(14 42 71 / 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgb(14 42 71 / 0.03) 1px, transparent 1px);
    background-size: 54px 54px;
    content: "";
    mask-image: linear-gradient(to bottom, #000, transparent 72%);
    pointer-events: none;
  }

  h1,
  h2,
  h3,
  h4 {
    color: var(--navy-950);
    font-family: var(--display);
    line-height: 1.16;
    letter-spacing: -0.025em;
    text-wrap: balance;
  }

  p {
    color: var(--ink-2);
  }

  ::selection {
    color: #fff;
    background: var(--navy-800);
  }

  :focus-visible {
    outline: none;
    box-shadow: var(--focus);
  }

  [hidden] {
    display: none !important;
  }

  .sr-only {
    position: absolute !important;
    inline-size: 1px !important;
    block-size: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  .skip-link {
    position: fixed;
    inset-block-start: 10px;
    inset-inline-start: 12px;
    z-index: 200;
    padding: 10px 14px;
    color: #fff;
    background: var(--navy-900);
    border-radius: 8px;
    transform: translateY(-150%);
  }

  .skip-link:focus {
    transform: translateY(0);
  }

  .icon {
    inline-size: 1.25rem;
    block-size: 1.25rem;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.65;
  }
}

@layer layout {
  .container {
    inline-size: min(100% - (var(--gutter) * 2), var(--container));
    margin-inline: auto;
  }

  .section {
    padding-block: clamp(72px, 9vw, 118px);
  }

  .section-tight {
    padding-block: clamp(56px, 7vw, 88px);
  }

  .section-head {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
    gap: clamp(28px, 6vw, 92px);
    align-items: end;
    margin-block-end: clamp(32px, 5vw, 58px);
  }

  .section-head h2 {
    max-inline-size: 15ch;
    font-size: clamp(2rem, 1.48rem + 2.3vw, 3.45rem);
  }

  .section-head p {
    max-inline-size: 62ch;
    justify-self: end;
    font-size: clamp(1rem, 0.94rem + 0.25vw, 1.14rem);
  }

  .section-head--center {
    display: block;
    max-inline-size: 760px;
    margin-inline: auto;
    text-align: center;
  }

  .section-head--center h2 {
    max-inline-size: 20ch;
    margin-inline: auto;
  }

  .section-head--center p {
    margin: 18px auto 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .bento {
    display: grid;
    gap: clamp(16px, 2.2vw, 24px);
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .bento {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .stack {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
  }

  @media (prefers-reduced-motion: no-preference) {
    html.js-enabled .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition:
        opacity 520ms var(--ease),
        transform 520ms var(--ease);
    }

    html.js-enabled .reveal.is-visible {
      opacity: 1;
      transform: none;
    }
  }

  @media (max-width: 1000px) {
    .section-head {
      grid-template-columns: 1fr;
      align-items: start;
    }

    .section-head p {
      justify-self: start;
    }

    .grid-4 {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-3 {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 680px) {
    .grid-2,
    .grid-3,
    .grid-4 {
      grid-template-columns: 1fr;
    }

    .section-head h2 {
      max-inline-size: 18ch;
    }
  }
}

@layer components {
  .internal-banner {
    color: #fff;
    background: var(--navy-950);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.02em;
  }

  .internal-banner .container {
    display: flex;
    min-block-size: 32px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
  }

  .internal-banner .status-dot {
    inline-size: 6px;
    block-size: 6px;
    background: var(--gold-500);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgb(200 160 90 / 0.12);
  }

  .nav {
    position: sticky;
    inset-block-start: 0;
    z-index: 80;
    border-block-end: 1px solid transparent;
    background: rgb(248 251 253 / 0.84);
    backdrop-filter: blur(18px);
    transition:
      background var(--duration-base) ease,
      border-color var(--duration-base) ease,
      box-shadow var(--duration-base) ease;
  }

  .nav.is-scrolled {
    background: rgb(255 255 255 / 0.96);
    border-block-end-color: var(--line);
    box-shadow: 0 10px 40px -32px rgb(14 42 71 / 0.5);
  }

  .nav-shell {
    display: flex;
    min-block-size: 74px;
    align-items: center;
    gap: 24px;
  }

  .brand {
    display: inline-flex;
    min-block-size: 44px;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
    padding-inline-end: 22px;
    border-inline-end: 1px solid var(--line-strong);
  }

  .brand img {
    inline-size: auto;
    block-size: 56px;
  }

  .brand-copy {
    display: grid;
    gap: 3px;
    min-inline-size: 0;
    padding-inline-start: 12px;
    border-inline-start: 1px solid var(--line);
  }

  .brand-copy strong,
  .brand-copy small {
    white-space: nowrap;
  }

  .brand-copy strong {
    color: var(--navy-900);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.015em;
    line-height: 1.15;
  }

  .brand-copy small {
    color: var(--ink-3);
    font-size: 0.68rem;
    line-height: 1.15;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.5vw, 34px);
    margin-inline-start: auto;
  }

  .nav-links a {
    position: relative;
    display: inline-flex;
    min-inline-size: 44px;
    min-block-size: 44px;
    align-items: center;
    justify-content: center;
    color: var(--ink-2);
    font-size: 0.92rem;
    font-weight: 600;
  }

  .nav-links a::after {
    position: absolute;
    inset-inline: 0;
    inset-block-end: 8px;
    block-size: 2px;
    background: var(--gold-500);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--duration-base) var(--ease);
  }

  .nav-links a:hover::after,
  .nav-links a[aria-current="page"]::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .nav-links a[aria-current="page"] {
    color: var(--navy-900);
  }

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

  .nav-toggle {
    display: none;
    inline-size: 46px;
    block-size: 46px;
    place-items: center;
    color: var(--navy-900);
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    cursor: pointer;
  }

  .btn {
    display: inline-flex;
    min-block-size: 46px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 10px 18px;
    color: var(--navy-900);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.94rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    transition:
      transform var(--duration-fast) var(--ease),
      color var(--duration-fast) ease,
      background var(--duration-fast) ease,
      border-color var(--duration-fast) ease,
      box-shadow var(--duration-fast) ease;
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn:active {
    transform: translateY(0);
  }

  .btn:disabled,
  .btn[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.56;
    transform: none;
  }

  .btn-primary {
    color: #fff;
    background: linear-gradient(120deg, var(--navy-950), var(--navy-800));
    box-shadow: 0 10px 26px -16px rgb(14 42 71 / 0.8);
  }

  .btn-primary:hover {
    background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
    box-shadow: 0 14px 32px -16px rgb(14 42 71 / 0.72);
  }

  .btn-gold {
    color: #271a08;
    background: linear-gradient(120deg, var(--gold-500), #d9b874);
    box-shadow: 0 12px 28px -16px rgb(169 127 53 / 0.9);
  }

  .btn-ghost {
    color: var(--navy-900);
    background: rgb(255 255 255 / 0.82);
    border-color: var(--line-strong);
  }

  .btn-ghost:hover {
    background: #fff;
    border-color: var(--navy-700);
  }

  .btn-quiet {
    min-block-size: 40px;
    padding: 8px 12px;
    color: var(--ink-2);
  }

  .btn-sm {
    min-block-size: 44px;
    padding: 8px 14px;
    font-size: 0.875rem;
  }

  .btn-block {
    inline-size: 100%;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gold-600);
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .eyebrow::before {
    inline-size: 26px;
    block-size: 1px;
    background: linear-gradient(90deg, var(--gold-500), transparent);
    content: "";
  }

  .badge {
    display: inline-flex;
    min-block-size: 28px;
    align-items: center;
    gap: 7px;
    padding: 4px 10px;
    color: var(--ink-2);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
  }

  .badge-gold {
    color: #694b17;
    background: var(--gold-100);
    border-color: var(--gold-200);
  }

  .badge-green {
    color: #0d6646;
    background: var(--green-100);
    border-color: #bfe7d5;
  }

  .badge-cyan {
    color: #075d73;
    background: #e2f6fa;
    border-color: #bee5eb;
  }

  .card {
    position: relative;
    overflow: hidden;
    padding: clamp(22px, 2.8vw, 32px);
    background: rgb(255 255 255 / 0.94);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .card::before {
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    inline-size: 0;
    block-size: 2px;
    background: linear-gradient(90deg, var(--gold-500), var(--cyan-500));
    content: "";
    transition: inline-size 480ms var(--ease);
  }

  .card:hover::before {
    inline-size: 100%;
  }

  .card h3 {
    margin-block-start: 18px;
    font-size: 1.22rem;
  }

  .card p {
    margin-block-start: 10px;
    font-size: 0.96rem;
  }

  .icon-box {
    display: grid;
    inline-size: 46px;
    block-size: 46px;
    place-items: center;
    color: var(--navy-800);
    background: linear-gradient(145deg, #fff, var(--paper-blue-2));
    border: 1px solid var(--line);
    border-radius: 13px;
  }

  .icon-box .icon {
    inline-size: 22px;
    block-size: 22px;
  }

  .icon-box-gold {
    color: #73521b;
    background: var(--gold-100);
    border-color: var(--gold-200);
  }

  .feature-layer {
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }

  .feature-layer > div:last-child {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-inline-size: 0;
  }

  .feature-layer b {
    line-height: 1.35;
  }

  .feature-layer span {
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .hero {
    padding-block: clamp(60px, 8vw, 104px) clamp(64px, 8vw, 104px);
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
    gap: clamp(44px, 7vw, 96px);
    align-items: center;
  }

  .hero-copy h1 {
    max-inline-size: 11ch;
    margin-block-start: 20px;
    font-size: clamp(2.8rem, 1.9rem + 3.6vw, 5.2rem);
    font-weight: 800;
    letter-spacing: -0.045em;
  }

  .hero-copy h1 span {
    color: var(--gold-600);
  }

  .hero-lead {
    max-inline-size: 36rem;
    margin-block-start: 24px;
    color: var(--ink-2);
    font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.24rem);
    line-height: 1.75;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-block-start: 30px;
  }

  .hero-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-block-start: 24px;
    color: var(--ink-3);
    font-size: 0.84rem;
  }

  .hero-note {
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

  .hero-note .icon {
    inline-size: 16px;
    block-size: 16px;
    color: var(--green-600);
  }

  .hero-visual {
    position: relative;
    min-inline-size: 0;
  }

  .hero-visual::before {
    position: absolute;
    inset: 9% 0 -10% 14%;
    z-index: -1;
    background: radial-gradient(circle at 66% 25%, rgb(200 160 90 / 0.2), transparent 56%);
    filter: blur(10px);
    content: "";
  }

  .advisor-window {
    overflow: hidden;
    color: #eaf1f8;
    background: #081827;
    border: 1px solid rgb(255 255 255 / 0.12);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
  }

  .window-bar {
    display: flex;
    min-block-size: 52px;
    align-items: center;
    gap: 8px;
    padding-inline: 18px;
    background: #0e2238;
    border-block-end: 1px solid rgb(255 255 255 / 0.08);
  }

  .window-dot {
    inline-size: 7px;
    block-size: 7px;
    background: #36506b;
    border-radius: 50%;
  }

  .window-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-inline-start: auto;
    color: #8fa6bc;
    font-family: var(--mono);
    font-size: 0.7rem;
  }

  .window-title .icon {
    inline-size: 15px;
    block-size: 15px;
    color: #d7b574;
  }

  .advisor-body {
    display: grid;
    grid-template-columns: 142px minmax(0, 1fr);
    min-block-size: 468px;
  }

  .advisor-aside {
    padding: 18px 12px;
    background: #0a1c2e;
    border-inline-end: 1px solid rgb(255 255 255 / 0.07);
  }

  .mock-new {
    display: flex;
    min-block-size: 40px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #f2f6fa;
    background: #14324d;
    border: 1px solid rgb(255 255 255 / 0.1);
    border-radius: 8px;
    font-size: 0.76rem;
    font-weight: 600;
  }

  .mock-history-label {
    margin: 22px 8px 8px;
    color: #68819a;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
  }

  .mock-history {
    display: grid;
    gap: 5px;
  }

  .mock-history i {
    display: block;
    block-size: 8px;
    background: #19364f;
    border-radius: 4px;
  }

  .mock-history i:nth-child(2) {
    inline-size: 76%;
  }

  .mock-history i:nth-child(3) {
    inline-size: 90%;
  }

  .mock-history i:nth-child(4) {
    inline-size: 64%;
  }

  .advisor-main {
    display: flex;
    min-inline-size: 0;
    flex-direction: column;
    padding: 22px;
  }

  .mock-date {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #718aa2;
    font-family: var(--mono);
    font-size: 0.65rem;
  }

  .mock-conversation {
    display: grid;
    gap: 16px;
    margin-block-start: 22px;
  }

  .mock-user {
    max-inline-size: 86%;
    margin-inline-start: auto;
    padding: 11px 13px;
    color: #e9f1f8;
    background: #163854;
    border: 1px solid rgb(255 255 255 / 0.08);
    border-radius: 12px 12px 4px;
    font-size: 0.78rem;
  }

  .mock-answer {
    padding: 15px;
    background: #0e253b;
    border: 1px solid rgb(255 255 255 / 0.08);
    border-radius: 4px 12px 12px;
  }

  .mock-answer-head {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #e9d4aa;
    font-size: 0.73rem;
    font-weight: 700;
  }

  .mock-answer-head .icon {
    inline-size: 16px;
    block-size: 16px;
  }

  .mock-findings {
    display: grid;
    gap: 9px;
    margin-block-start: 12px;
  }

  .mock-finding {
    display: grid;
    grid-template-columns: 17px 1fr;
    gap: 8px;
    color: #b9cad9;
    font-size: 0.74rem;
    line-height: 1.55;
  }

  .mock-finding b {
    display: grid;
    inline-size: 17px;
    block-size: 17px;
    place-items: center;
    color: #9ed8c1;
    background: rgb(30 158 106 / 0.15);
    border-radius: 50%;
    font-family: var(--mono);
    font-size: 0.54rem;
  }

  .mock-source {
    margin-block-start: 13px;
    padding-block-start: 10px;
    color: #69839c;
    border-block-start: 1px dashed rgb(255 255 255 / 0.11);
    font-family: var(--mono);
    font-size: 0.61rem;
  }

  .mock-input {
    display: flex;
    min-block-size: 52px;
    align-items: center;
    gap: 8px;
    margin-block-start: auto;
    padding: 9px 10px 9px 13px;
    color: #718aa2;
    background: #0c2135;
    border: 1px solid rgb(255 255 255 / 0.1);
    border-radius: 10px;
    font-size: 0.72rem;
  }

  .mock-input .send {
    display: grid;
    inline-size: 32px;
    block-size: 32px;
    place-items: center;
    margin-inline-start: auto;
    color: #2b200e;
    background: var(--gold-500);
    border-radius: 8px;
  }

  .mock-input .send .icon {
    inline-size: 16px;
    block-size: 16px;
  }

  .proof-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: hidden;
    background: rgb(255 255 255 / 0.78);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .proof-item {
    display: flex;
    min-block-size: 104px;
    align-items: center;
    gap: 14px;
    padding: 20px;
    border-inline-end: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-inline-end: 0;
  }

  .proof-item .icon {
    color: var(--gold-600);
  }

  .proof-item b {
    display: block;
    color: var(--navy-900);
    font-size: 0.94rem;
  }

  .proof-item span {
    display: block;
    margin-block-start: 3px;
    color: var(--ink-3);
    font-size: 0.78rem;
  }

  .steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    counter-reset: step;
  }

  .step {
    position: relative;
    padding: 28px clamp(20px, 3vw, 38px);
    background: rgb(255 255 255 / 0.76);
    border-block: 1px solid var(--line);
    counter-increment: step;
  }

  .step:first-child {
    border-inline-start: 1px solid var(--line);
    border-start-start-radius: var(--radius-lg);
    border-end-start-radius: var(--radius-lg);
  }

  .step:last-child {
    border-inline-end: 1px solid var(--line);
    border-start-end-radius: var(--radius-lg);
    border-end-end-radius: var(--radius-lg);
  }

  .step + .step {
    border-inline-start: 1px solid var(--line);
  }

  .step::before {
    color: var(--gold-600);
    content: "0" counter(step);
    font-family: var(--mono);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
  }

  .step h3 {
    margin-block-start: 18px;
    font-size: 1.22rem;
  }

  .step p {
    margin-block-start: 9px;
    font-size: 0.92rem;
  }

  .compare-wrap {
    overflow: auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .compare {
    inline-size: 100%;
    min-inline-size: 780px;
    border-collapse: collapse;
  }

  .compare th,
  .compare td {
    padding: 18px 22px;
    border-block-end: 1px solid var(--line);
    text-align: start;
    vertical-align: top;
  }

  .compare thead th {
    color: var(--ink-2);
    background: var(--paper-blue);
    font-size: 0.84rem;
  }

  .compare thead th:nth-child(2) {
    color: var(--navy-900);
  }

  .compare thead th:nth-child(3) {
    color: #6f501b;
    background: #fbf6ec;
  }

  .compare tbody th {
    color: var(--ink-3);
    font-size: 0.84rem;
    font-weight: 500;
  }

  .compare td {
    color: var(--ink-2);
    font-size: 0.92rem;
  }

  .compare tr:last-child th,
  .compare tr:last-child td {
    border-block-end: 0;
  }

  .compare strong {
    color: var(--navy-900);
  }

  .capability-grid .card:nth-child(1) {
    grid-column: span 7;
  }

  .capability-grid .card:nth-child(2) {
    grid-column: span 5;
  }

  .capability-grid .card:nth-child(3) {
    grid-column: span 4;
  }

  .capability-grid .card:nth-child(4) {
    grid-column: span 4;
  }

  .capability-grid .card:nth-child(5) {
    grid-column: span 4;
  }

  .capability-card {
    min-block-size: 260px;
  }

  .capability-card--spotlight {
    color: #eef4f9;
    background:
      radial-gradient(360px 220px at 90% 0%, rgb(200 160 90 / 0.2), transparent 70%),
      linear-gradient(140deg, #0b2239, #153b5e);
    border-color: rgb(255 255 255 / 0.12);
  }

  .capability-card--spotlight h3 {
    color: #fff;
  }

  .capability-card--spotlight p {
    color: #bfd0df;
  }

  .capability-card--spotlight .icon-box {
    color: #f0d6a3;
    background: rgb(255 255 255 / 0.08);
    border-color: rgb(255 255 255 / 0.13);
  }

  .capability-list {
    display: grid;
    gap: 8px;
    margin-block-start: 18px;
  }

  .capability-list li {
    display: flex;
    gap: 9px;
    align-items: flex-start;
    color: inherit;
    font-size: 0.88rem;
  }

  .capability-list .icon {
    inline-size: 17px;
    block-size: 17px;
    margin-block-start: 3px;
    color: var(--green-600);
  }

  .capability-card--spotlight .capability-list .icon {
    color: #9ed8c1;
  }

  .trust-band {
    position: relative;
    overflow: hidden;
    padding: clamp(32px, 5vw, 58px);
    color: #e7eff7;
    background:
      radial-gradient(520px 320px at 90% 10%, rgb(200 160 90 / 0.22), transparent 64%),
      linear-gradient(125deg, var(--navy-950), #143a5e);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
  }

  .trust-band::after {
    position: absolute;
    inset-block-start: -120px;
    inset-inline-end: -90px;
    inline-size: 360px;
    block-size: 360px;
    border: 1px solid rgb(255 255 255 / 0.08);
    border-radius: 50%;
    content: "";
  }

  .trust-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    gap: 44px;
    align-items: center;
  }

  .trust-band h2 {
    max-inline-size: 15ch;
    color: #fff;
    font-size: clamp(2rem, 1.5rem + 2.2vw, 3.25rem);
  }

  .trust-band p {
    max-inline-size: 58ch;
    margin-block-start: 18px;
    color: #b9cad9;
  }

  .trust-rules {
    display: grid;
    gap: 10px;
  }

  .trust-rule {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 12px;
    align-items: start;
    padding: 14px;
    background: rgb(255 255 255 / 0.06);
    border: 1px solid rgb(255 255 255 / 0.1);
    border-radius: 12px;
  }

  .trust-rule b {
    display: grid;
    inline-size: 30px;
    block-size: 30px;
    place-items: center;
    color: #f0d6a3;
    background: rgb(200 160 90 / 0.14);
    border-radius: 8px;
    font-family: var(--mono);
    font-size: 0.7rem;
  }

  .trust-rule span {
    color: #d4e0eb;
    font-size: 0.9rem;
  }

  .cta-band {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) auto;
    gap: 34px;
    overflow: hidden;
    align-items: center;
    padding: clamp(32px, 5vw, 58px);
    background:
      linear-gradient(90deg, rgb(255 255 255 / 0.96), rgb(246 249 252 / 0.92)),
      radial-gradient(circle at 100% 0%, var(--gold-100), transparent 48%);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
  }

  .cta-band h2 {
    max-inline-size: 17ch;
    font-size: clamp(1.9rem, 1.45rem + 2vw, 3rem);
  }

  .cta-band p {
    max-inline-size: 62ch;
    margin-block-start: 12px;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
  }

  .footer {
    margin-block-start: 40px;
    padding-block: 54px 28px;
    background: #f8fafc;
    border-block-start: 1px solid var(--line);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: minmax(250px, 1.3fr) repeat(3, minmax(130px, 0.7fr));
    gap: 36px;
  }

  .footer-brand img {
    block-size: 44px;
    inline-size: auto;
  }

  .footer-brand p {
    max-inline-size: 36ch;
    margin-block-start: 16px;
    font-size: 0.86rem;
  }

  .footer-col h3 {
    color: var(--navy-900);
    font-family: var(--sans);
    font-size: 0.84rem;
    letter-spacing: 0;
  }

  .footer-col ul {
    display: grid;
    gap: 9px;
    margin-block-start: 13px;
  }

  .footer-col a,
  .footer-col button {
    display: inline-flex;
    min-block-size: 44px;
    align-items: center;
    padding: 0;
    color: var(--ink-3);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-size: 0.84rem;
    text-align: start;
  }

  .footer-col button {
    min-inline-size: 44px;
  }

  .footer-col a:hover,
  .footer-col button:hover {
    color: var(--navy-900);
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-block-start: 40px;
    padding-block-start: 20px;
    color: var(--ink-3);
    border-block-start: 1px solid var(--line);
    font-family: var(--mono);
    font-size: 0.7rem;
  }

  .legal-page {
    padding-block: 60px 100px;
  }

  .legal-layout {
    display: grid;
    grid-template-columns: 250px minmax(0, 780px);
    gap: 70px;
    justify-content: center;
    align-items: start;
  }

  .legal-nav {
    position: sticky;
    inset-block-start: 98px;
    display: grid;
    gap: 4px;
    padding: 17px;
    background: rgb(255 255 255 / 0.78);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
  }

  .legal-nav a {
    min-block-size: 44px;
    padding: 9px 10px;
    color: var(--ink-3);
    border-radius: 8px;
    font-size: 0.86rem;
  }

  .legal-nav a:hover {
    color: var(--navy-900);
    background: var(--paper-blue);
  }

  .legal-content h1 {
    font-size: clamp(2.2rem, 1.8rem + 2vw, 3.5rem);
  }

  .legal-content > p:first-of-type {
    margin-block-start: 18px;
  }

  .legal-content section {
    padding-block: 36px;
    border-block-end: 1px solid var(--line);
    scroll-margin-block-start: 100px;
  }

  .legal-content h2 {
    font-size: 1.45rem;
    letter-spacing: -0.015em;
  }

  .legal-content h3 {
    margin-block-start: 22px;
    font-size: 1.05rem;
    letter-spacing: 0;
  }

  .legal-content p,
  .legal-content li {
    margin-block-start: 12px;
    color: var(--ink-2);
    font-size: 0.94rem;
  }

  .legal-content ul {
    display: grid;
    gap: 7px;
    padding-inline-start: 1.15rem;
    list-style: disc;
  }

  .legal-callout {
    margin-block-start: 18px;
    padding: 18px;
    color: var(--ink-2);
    background: var(--gold-100);
    border: 1px solid var(--gold-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
  }

  dialog {
    inline-size: min(calc(100% - 28px), 660px);
    max-block-size: min(88dvh, 850px);
    padding: 0;
    overflow: hidden;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: 0 40px 120px -34px rgb(7 26 45 / 0.55);
  }

  dialog::backdrop {
    background: rgb(7 26 45 / 0.63);
    backdrop-filter: blur(5px);
  }

  body:has(dialog[open]) {
    overflow: hidden;
  }

  .dialog-head {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 22px 24px 16px;
    border-block-end: 1px solid var(--line);
  }

  .dialog-head-text {
    flex: 1;
  }

  .dialog-head h2 {
    font-size: 1.5rem;
  }

  .dialog-head p {
    margin-block-start: 5px;
    font-size: 0.88rem;
  }

  .dialog-close {
    display: grid;
    inline-size: 44px;
    block-size: 44px;
    place-items: center;
    flex: 0 0 auto;
    color: var(--ink-2);
    background: var(--paper-blue);
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
  }

  .dialog-body {
    max-block-size: calc(88dvh - 100px);
    padding: 20px 24px 26px;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 4px;
    background: var(--paper-blue);
    border: 1px solid var(--line);
    border-radius: 10px;
  }

  .auth-tab {
    min-block-size: 42px;
    color: var(--ink-3);
    background: transparent;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
  }

  .auth-tab[aria-selected="true"] {
    color: var(--navy-900);
    background: #fff;
    box-shadow: 0 2px 8px -4px rgb(14 42 71 / 0.35);
  }

  .form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
    margin-block-start: 20px;
  }

  .field {
    display: grid;
    gap: 6px;
    min-inline-size: 0;
  }

  .field--full {
    grid-column: 1 / -1;
  }

  .field label,
  .field-label {
    color: var(--navy-900);
    font-size: 0.84rem;
    font-weight: 700;
  }

  .field-help {
    color: var(--ink-3);
    font-size: 0.76rem;
    line-height: 1.5;
  }

  .field-error {
    color: var(--red-600);
    font-size: 0.76rem;
  }

  .input,
  .select,
  .textarea {
    inline-size: 100%;
    min-block-size: 46px;
    padding: 10px 12px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: 9px;
    outline: none;
    transition:
      border-color var(--duration-fast) ease,
      box-shadow var(--duration-fast) ease;
  }

  .textarea {
    min-block-size: 104px;
    resize: vertical;
  }

  .input::placeholder,
  .textarea::placeholder {
    color: #8292a3;
  }

  .input:focus,
  .select:focus,
  .textarea:focus {
    border-color: var(--cyan-600);
    box-shadow: 0 0 0 3px rgb(14 116 144 / 0.13);
  }

  .input[aria-invalid="true"],
  .textarea[aria-invalid="true"],
  .select[aria-invalid="true"] {
    border-color: var(--red-600);
    box-shadow: 0 0 0 3px rgb(184 61 61 / 0.1);
  }

  .check-row {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 9px;
    align-items: start;
    color: var(--ink-2);
    font-size: 0.8rem;
    line-height: 1.55;
  }

  .check-row input {
    inline-size: 18px;
    block-size: 18px;
    margin: 2px 0 0;
    accent-color: var(--navy-800);
  }

  .check-row a {
    color: var(--cyan-600);
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  .form-error-summary {
    margin-block-start: 16px;
    padding: 12px 14px;
    color: #7f2828;
    background: var(--red-100);
    border: 1px solid #f1c3bf;
    border-radius: 9px;
    font-size: 0.82rem;
  }

  .form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-block-start: 20px;
  }

  .form-actions .btn-primary {
    min-inline-size: 148px;
  }

  .form-footnote {
    margin-block-start: 13px;
    color: var(--ink-3);
    font-size: 0.75rem;
    line-height: 1.55;
  }

  .spinner {
    inline-size: 16px;
    block-size: 16px;
    border: 2px solid currentColor;
    border-inline-end-color: transparent;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
  }

  @keyframes spin {
    to {
      transform: rotate(360deg);
    }
  }

  .toast-region {
    position: fixed;
    inset-inline-end: 18px;
    inset-block-end: max(18px, env(safe-area-inset-bottom));
    z-index: 160;
    display: grid;
    gap: 10px;
    inline-size: min(380px, calc(100% - 36px));
    pointer-events: none;
  }

  .toast {
    display: grid;
    grid-template-columns: 22px 1fr auto;
    gap: 10px;
    align-items: start;
    padding: 14px 14px 14px 15px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    pointer-events: auto;
    animation: toast-in 240ms var(--ease);
  }

  .toast[data-kind="error"] {
    border-color: #efc3bf;
  }

  .toast[data-kind="success"] .toast-icon {
    color: var(--green-600);
  }

  .toast[data-kind="error"] .toast-icon {
    color: var(--red-600);
  }

  .toast-copy b {
    display: block;
    font-size: 0.88rem;
  }

  .toast-copy span {
    display: block;
    margin-block-start: 2px;
    color: var(--ink-3);
    font-size: 0.78rem;
  }

  .toast-close {
    display: grid;
    inline-size: 32px;
    block-size: 32px;
    place-items: center;
    color: var(--ink-3);
    background: transparent;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
  }

  @keyframes toast-in {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
  }

  .skeleton {
    overflow: hidden;
    background: var(--paper-blue-2);
    border-radius: 6px;
  }

  .skeleton::after {
    display: block;
    inline-size: 50%;
    block-size: 100%;
    background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.72), transparent);
    content: "";
    animation: skeleton 1.4s infinite;
  }

  @keyframes skeleton {
    from {
      transform: translateX(-120%);
    }

    to {
      transform: translateX(240%);
    }
  }

  @media (max-width: 1200px) {
    .brand-copy small {
      display: none;
    }
  }

  @media (max-width: 1140px) {
    .brand {
      padding-inline-end: 0;
      border-inline-end: 0;
    }

    .brand-copy {
      display: none;
    }
  }

  @media (max-width: 1100px) {
    .hero-grid {
      grid-template-columns: 1fr;
    }

    .hero-copy {
      max-inline-size: 760px;
    }

    .hero-copy h1 {
      max-inline-size: 13ch;
    }

    .hero-visual {
      max-inline-size: 780px;
    }

    .trust-grid {
      grid-template-columns: 1fr;
    }

    .trust-rules {
      max-inline-size: 720px;
    }

    .capability-grid .card:nth-child(n) {
      grid-column: span 6;
    }

    .capability-grid .card:last-child {
      grid-column: span 12;
    }
  }

  @media (max-width: 900px) {
    .nav-shell {
      flex-wrap: wrap;
      gap: 10px 16px;
      padding-block: 10px;
    }

    .nav-toggle {
      display: grid;
      margin-inline-start: auto;
    }

    .brand {
      padding-inline-end: 0;
      border-inline-end: 0;
    }

    .brand-copy {
      display: grid;
      padding-inline-start: 10px;
    }

    html.js-enabled .nav-links,
    html.js-enabled .nav-actions {
      display: none;
      inline-size: 100%;
    }

    html.js-enabled .nav.nav-open .nav-links,
    html.js-enabled .nav.nav-open .nav-actions {
      display: flex;
    }

    html.js-enabled .nav.nav-open .nav-links {
      flex-direction: column;
      align-items: stretch;
      gap: 2px;
      order: 3;
      padding-block: 8px 4px;
      border-block-start: 1px solid var(--line);
    }

    html.js-enabled .nav.nav-open .nav-links a {
      min-block-size: 48px;
      padding-inline: 10px;
    }

    html.js-enabled .nav.nav-open .nav-actions {
      order: 4;
      padding-block-end: 8px;
    }

    .hero-grid {
      gap: 40px;
    }

    .proof-strip {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .proof-item:nth-child(2) {
      border-inline-end: 0;
    }

    .proof-item:nth-child(-n + 2) {
      border-block-end: 1px solid var(--line);
    }

    .steps {
      grid-template-columns: 1fr;
    }

    .step {
      border-inline: 1px solid var(--line);
    }

    .step:first-child {
      border-start-start-radius: var(--radius-lg);
      border-start-end-radius: var(--radius-lg);
      border-end-start-radius: 0;
    }

    .step:last-child {
      border-start-end-radius: 0;
      border-end-start-radius: var(--radius-lg);
      border-end-end-radius: var(--radius-lg);
    }

    .step + .step {
      border-block-start: 0;
    }

    .cta-band {
      grid-template-columns: 1fr;
    }

    .cta-actions {
      justify-content: flex-start;
    }

    .footer-grid {
      grid-template-columns: minmax(220px, 1.3fr) repeat(2, minmax(120px, 0.7fr));
    }

    .footer-col:last-child {
      grid-column: 2;
    }

    .legal-layout {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .legal-nav {
      position: static;
      display: flex;
      overflow-x: auto;
    }

    .legal-nav a {
      flex: 0 0 auto;
    }
  }

  @media (max-width: 680px) {
    .brand img {
      block-size: 48px;
    }

    .brand {
      gap: 8px;
    }

    .brand-copy strong {
      font-size: 0.68rem;
    }

    .nav-actions .btn-ghost {
      display: none;
    }

    .hero {
      padding-block-start: 42px;
    }

    .hero-copy h1 {
      font-size: clamp(2.55rem, 2rem + 4vw, 3.5rem);
    }

    .hero-actions .btn {
      inline-size: 100%;
    }

    .advisor-body {
      grid-template-columns: 1fr;
      min-block-size: 430px;
    }

    .advisor-aside {
      display: none;
    }

    .advisor-main {
      padding: 16px;
    }

    .proof-strip {
      grid-template-columns: 1fr;
    }

    .proof-item {
      min-block-size: 84px;
      border-inline-end: 0;
      border-block-end: 1px solid var(--line);
    }

    .proof-item:nth-child(2) {
      border-block-end: 1px solid var(--line);
    }

    .proof-item:last-child {
      border-block-end: 0;
    }

    .capability-grid {
      grid-template-columns: 1fr;
    }

    .capability-grid .card:nth-child(n) {
      grid-column: auto;
    }

    .trust-band {
      padding-inline: 22px;
    }

    .cta-band {
      padding: 28px 22px;
    }

    .cta-actions .btn {
      inline-size: 100%;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
      grid-column: 1 / -1;
    }

    .footer-col:last-child {
      grid-column: auto;
    }

    .footer-bottom {
      flex-direction: column;
    }

    .form-grid {
      grid-template-columns: 1fr;
    }

    .field--full {
      grid-column: auto;
    }

    .dialog-head,
    .dialog-body {
      padding-inline: 18px;
    }

    .form-actions .btn {
      inline-size: 100%;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }

  @media (max-width: 900px) {
    html {
      scrollbar-gutter: auto;
    }
  }

  @media (prefers-contrast: more) {
    :root {
      --line: #8da1b4;
      --line-strong: #597086;
      --ink-3: #425a70;
    }

    .card,
    .proof-strip,
    .compare-wrap {
      border-width: 2px;
    }
  }
}

@layer utilities {
  .text-center {
    text-align: center;
  }

  .mt-0 {
    margin-block-start: 0;
  }

  .mt-1 {
    margin-block-start: 8px;
  }

  .mt-2 {
    margin-block-start: 16px;
  }

  .mt-3 {
    margin-block-start: 24px;
  }

  .mt-4 {
    margin-block-start: 32px;
  }

  .muted {
    color: var(--ink-3);
  }

  .mono {
    font-family: var(--mono);
  }

  .tabular {
    font-variant-numeric: tabular-nums;
  }
}