/* ==========================================================================
   EXEMETA — Design System
   AI-powered Omnichannel Customer Experience Platform
   Modern CSS: @layer, oklch, nesting, @property, scroll-driven, CQ
   ========================================================================== */

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

/* -------------------------------------------------------------------------- */
/* Tokens                                                                     */
/* -------------------------------------------------------------------------- */
@layer tokens {
  @property --mesh-a {
    syntax: "<percentage>";
    inherits: false;
    initial-value: 20%;
  }

  @property --mesh-b {
    syntax: "<percentage>";
    inherits: false;
    initial-value: 70%;
  }

  :root {
    --ink: oklch(0.2 0.03 245);
    --ink-soft: oklch(0.35 0.025 245);
    --muted: oklch(0.48 0.02 245);
    --line: oklch(0.88 0.015 230);
    --line-strong: oklch(0.78 0.02 230);
    --surface: oklch(0.995 0.005 220);
    --surface-2: oklch(0.965 0.012 220);
    --surface-3: oklch(0.94 0.018 215);
    --mist: oklch(0.97 0.02 210);
    --accent: oklch(0.74 0.13 230);
    --accent-deep: oklch(0.48 0.13 250);
    --accent-bright: oklch(0.78 0.12 220);
    --signal: oklch(0.58 0.14 255);
    --warm: oklch(0.68 0.14 55);
    --danger: oklch(0.58 0.18 25);

    --font-display: "Unbounded", system-ui, sans-serif;
    --font-body: "Figtree", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4.5rem;
    --space-9: 7rem;

    --radius-sm: 0.5rem;
    --radius: 0.85rem;
    --radius-lg: 1.35rem;
    --radius-xl: 2rem;

    --shadow-soft: 0 1px 0 color-mix(in oklch, var(--ink) 6%, transparent),
      0 18px 40px -24px color-mix(in oklch, var(--ink) 35%, transparent);
    --shadow-lift: 0 24px 60px -28px color-mix(in oklch, var(--accent-deep) 40%, transparent);

    --container: 72rem;
    --nav-h: 4.25rem;

    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);

    --step--1: clamp(0.84rem, 0.8rem + 0.2vw, 0.92rem);
    --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
    --step-1: clamp(1.125rem, 1.05rem + 0.4vw, 1.25rem);
    --step-2: clamp(1.4rem, 1.2rem + 0.9vw, 1.75rem);
    --step-3: clamp(1.85rem, 1.45rem + 1.6vw, 2.5rem);
    --step-4: clamp(2.4rem, 1.7rem + 2.8vw, 3.75rem);
    --step-5: clamp(3rem, 2rem + 4vw, 5rem);
  }
}

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

  html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    hanging-punctuation: first last;
  }

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

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

  body {
    margin: 0;
    min-height: 100dvh;
  }

  img,
  svg,
  video {
    display: block;
    max-width: 100%;
  }

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

  a {
    color: inherit;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
  }

  ul[role="list"],
  ol[role="list"] {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }
}

/* -------------------------------------------------------------------------- */
/* Base                                                                       */
/* -------------------------------------------------------------------------- */
@layer base {
  body {
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.6;
    color: var(--ink);
    background:
      radial-gradient(120% 80% at 100% -10%, color-mix(in oklch, var(--accent-bright) 22%, transparent), transparent 55%),
      radial-gradient(90% 60% at -10% 20%, color-mix(in oklch, var(--signal) 14%, transparent), transparent 50%),
      linear-gradient(180deg, var(--mist), var(--surface) 28%, var(--surface));
    background-attachment: fixed;
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
    background-image:
      linear-gradient(color-mix(in oklch, var(--ink) 5%, transparent) 1px, transparent 1px),
      linear-gradient(90deg, color-mix(in oklch, var(--ink) 5%, transparent) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 75%);
  }

  h1,
  h2,
  h3,
  h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-wrap: balance;
    margin: 0;
  }

  p {
    margin: 0;
    text-wrap: pretty;
  }

  .lede {
    font-size: var(--step-1);
    color: var(--ink-soft);
    max-width: 42rem;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-deep);
  }

  .eyebrow::before {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 2px;
    background: linear-gradient(135deg, var(--accent-bright), var(--signal));
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 15%, transparent);
  }
}

/* -------------------------------------------------------------------------- */
/* Layout                                                                     */
/* -------------------------------------------------------------------------- */
@layer layout {
  .shell {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
  }

  .shell-wide {
    width: min(100% - 2rem, 84rem);
    margin-inline: auto;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--nav-h);
    backdrop-filter: blur(16px) saturate(1.2);
    background: color-mix(in oklch, var(--surface) 78%, transparent);
    border-bottom: 1px solid color-mix(in oklch, var(--line) 70%, transparent);
  }

  .site-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
  }

  .brand img {
    display: block;
    height: 1.7rem;
    width: auto;
  }

  .nav {
    display: none;
    align-items: center;
    gap: 0.15rem;
  }

  .nav a {
    text-decoration: none;
    padding: 0.55rem 0.75rem;
    border-radius: 999px;
    color: var(--ink-soft);
    font-weight: 560;
    font-size: 0.95rem;
    transition: background 180ms var(--ease-out), color 180ms var(--ease-out);
  }

  .nav a:hover,
  .nav a[aria-current="page"] {
    background: color-mix(in oklch, var(--accent) 10%, transparent);
    color: var(--ink);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
  }

  @media (max-width: 520px) {
    .nav-actions .btn {
      min-height: 2.35rem;
      padding: 0.4rem 0.7rem;
      font-size: 0.78rem;
      white-space: nowrap;
    }
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    width: 2.6rem;
    height: 2.6rem;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    background: var(--surface);
    cursor: pointer;
  }

  .nav-toggle span {
    display: block;
    width: 1.1rem;
    height: 2px;
    background: var(--ink);
    position: relative;
  }

  .nav-toggle span::before,
  .nav-toggle span::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    height: 2px;
    background: inherit;
  }

  .nav-toggle span::before {
    top: -5px;
  }

  .nav-toggle span::after {
    top: 5px;
  }

  @media (min-width: 960px) {
    .nav {
      display: flex;
    }

    .nav-toggle {
      display: none;
    }
  }

  .mobile-nav {
    display: none;
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding: 1rem;
    background: color-mix(in oklch, var(--surface) 96%, transparent);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
  }

  .mobile-nav.is-open {
    display: grid;
    gap: 0.35rem;
  }

  .mobile-nav a {
    text-decoration: none;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    background: var(--surface-2);
    font-weight: 560;
  }

  .section {
    padding-block: var(--space-8);
  }

  .section-head {
    display: grid;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
  }

  .section-head h2 {
    font-size: var(--step-3);
  }

  @media (min-width: 900px) {
    .section-head:has(.lede) {
      grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 0.95fr);
      column-gap: clamp(2rem, 4vw, 4.5rem);
      row-gap: var(--space-3);
      align-items: end;
    }

    .section-head:has(.lede) > .eyebrow {
      grid-column: 1;
      grid-row: 1;
    }

    .section-head:has(.lede) > h2 {
      grid-column: 1;
      grid-row: 2;
    }

    .section-head:has(.lede) > .lede {
      grid-column: 2;
      grid-row: 2;
      max-width: none;
      margin: 0;
    }
  }

  .split {
    display: grid;
    gap: var(--space-6);
    align-items: center;
  }

  .split > .scene {
    align-self: start;
  }

  @media (min-width: 900px) {
    .split {
      grid-template-columns: 1.05fr 0.95fr;
      gap: var(--space-7);
    }

    .split--reverse > :first-child {
      order: 2;
    }
  }

  .site-footer {
    position: relative;
    isolation: isolate;
    overflow: clip;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: clamp(2.25rem, 6vh, 4rem);
    min-height: 100svh;
    margin-top: 0;
    border-top: 1px solid var(--line);
    background:
      radial-gradient(55% 42% at 50% 28%, color-mix(in oklch, var(--accent-bright) 18%, transparent), transparent 68%),
      radial-gradient(40% 36% at 12% 78%, color-mix(in oklch, var(--signal) 12%, transparent), transparent 70%),
      color-mix(in oklch, var(--surface-2) 72%, var(--surface));
    padding-block: clamp(4.5rem, 10vh, 6.5rem) clamp(1.25rem, 3vh, 2rem);
  }

  .footer-stage,
  .footer-grid,
  .footer-bottom {
    position: relative;
    z-index: 1;
  }

  .footer-stage {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 0.9rem;
    padding-top: clamp(1.5rem, 6vh, 4rem);
  }

  .footer-stage h2 {
    max-width: 12ch;
    margin: 0;
    font-size: clamp(2.45rem, 5vw, 4.15rem);
    letter-spacing: -0.045em;
    line-height: 1.02;
  }

  .footer-stage p {
    max-width: 36rem;
    margin: 0;
    color: var(--muted);
  }

  .footer-grid {
    display: grid;
    gap: clamp(1.75rem, 4vh, 2.75rem);
  }

  @media (min-width: 800px) {
    .footer-grid {
      grid-template-columns: 1.4fr repeat(3, 1fr);
    }
  }

  .footer-brand p {
    margin-top: var(--space-3);
    color: var(--muted);
    max-width: 28rem;
  }

  .contact-list {
    display: grid;
    gap: 0.7rem;
    margin: 1.15rem 0 0;
    padding: 0;
    list-style: none;
    max-width: 32rem;
  }

  .contact-list li {
    display: grid;
    gap: 0.08rem;
  }

  .contact-list li > span:first-child {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .contact-list a,
  .contact-list li > span:last-child {
    color: var(--ink);
    font-weight: 600;
    line-height: 1.4;
  }

  .contact-list a {
    text-decoration: none;
  }

  .contact-list a:hover {
    color: var(--accent-deep);
  }

  .footer-bottom a {
    color: var(--ink-soft);
    font-weight: 600;
  }

  .social-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1rem;
    max-width: 32rem;
  }

  .social-row a {
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 650;
    color: var(--ink);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 0.35rem 0.7rem;
    background: var(--surface);
  }

  .social-row a:hover {
    border-color: var(--accent);
    color: var(--accent-deep);
  }

  .footer-col h3 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-3);
  }

  .footer-col a {
    display: block;
    text-decoration: none;
    color: var(--ink-soft);
    padding-block: 0.28rem;
  }

  .footer-col a:hover {
    color: var(--accent-deep);
  }

  .footer-bottom {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: space-between;
    color: var(--muted);
    font-size: var(--step--1);
  }
}

/* -------------------------------------------------------------------------- */
/* Components                                                                 */
/* -------------------------------------------------------------------------- */
@layer components {
  .btn {
    --btn-bg: var(--ink);
    --btn-fg: var(--surface);
    --btn-border: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 2.9rem;
    padding: 0.7rem 1.25rem;
    border-radius: 999px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-weight: 650;
    letter-spacing: -0.01em;
    text-decoration: none;
    cursor: pointer;
    transition:
      transform 200ms var(--ease-out),
      background 200ms var(--ease-out),
      box-shadow 200ms var(--ease-out),
      border-color 200ms var(--ease-out);
  }

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

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

  .btn--primary {
    --btn-bg: linear-gradient(135deg, var(--accent-deep), var(--accent));
    background: linear-gradient(135deg, var(--accent-deep), color-mix(in oklch, var(--accent) 80%, var(--signal)));
    box-shadow: 0 12px 28px -16px color-mix(in oklch, var(--accent-deep) 70%, transparent);
  }

  .btn--ghost {
    --btn-bg: color-mix(in oklch, var(--surface) 70%, transparent);
    --btn-fg: var(--ink);
    --btn-border: var(--line-strong);
    backdrop-filter: blur(8px);
  }

  .btn--ghost:hover {
    --btn-border: color-mix(in oklch, var(--accent) 45%, var(--line-strong));
    background: color-mix(in oklch, var(--accent) 8%, var(--surface));
  }

  .btn--light {
    --btn-bg: var(--surface);
    --btn-fg: var(--ink);
  }

  .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  /* Module rails — interaction containers, not decorative cards */
  .module-rail {
    container-type: inline-size;
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    overflow: clip;
    box-shadow: var(--shadow-soft);
  }

  .module-item {
    display: grid;
    gap: var(--space-3);
    padding: clamp(1.25rem, 2vw, 1.75rem);
    background: var(--surface);
    text-decoration: none;
    transition: background 220ms var(--ease-out);
  }

  .module-item:hover {
    background: color-mix(in oklch, var(--accent) 6%, var(--surface));
  }

  .module-item h3 {
    font-size: var(--step-1);
  }

  .module-item p {
    color: var(--muted);
    max-width: 36rem;
  }

  .module-item .meta {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    color: var(--accent-deep);
    letter-spacing: 0.04em;
  }

  @container (min-width: 40rem) {
    .module-item {
      grid-template-columns: 7rem 1fr auto;
      align-items: center;
      gap: var(--space-5);
    }
  }

  .feature-grid {
    display: grid;
    gap: var(--space-4);
  }

  @media (min-width: 720px) {
    .feature-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .feature-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .feature {
    padding: var(--space-5);
    border-top: 1px solid var(--line);
    background:
      linear-gradient(180deg, color-mix(in oklch, var(--surface-2) 65%, transparent), transparent 40%),
      var(--surface);
  }

  .feature h3 {
    font-size: var(--step-1);
    margin-block: var(--space-3) var(--space-2);
  }

  .feature p {
    color: var(--muted);
  }

  .icon-mark {
    width: 2.4rem;
    height: 2.4rem;
    display: grid;
    place-items: center;
    border-radius: 0.7rem;
    background: color-mix(in oklch, var(--accent) 12%, var(--surface));
    color: var(--accent-deep);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
  }

  .pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .pill {
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: color-mix(in oklch, var(--surface) 80%, transparent);
    font-size: var(--step--1);
    font-weight: 560;
    color: var(--ink-soft);
  }

  .quote-band {
    position: relative;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-inline-start: 3px solid var(--accent);
    background: linear-gradient(90deg, color-mix(in oklch, var(--accent) 8%, transparent), transparent);
    font-family: var(--font-display);
    font-size: var(--step-2);
    letter-spacing: -0.02em;
    line-height: 1.25;
  }

  .cta-band {
    position: relative;
    overflow: clip;
    border-radius: var(--radius-xl);
    padding: clamp(2rem, 5vw, 3.5rem);
    color: white;
    background:
      radial-gradient(80% 120% at 100% 0%, color-mix(in oklch, var(--accent-bright) 45%, transparent), transparent 55%),
      radial-gradient(70% 100% at 0% 100%, color-mix(in oklch, var(--signal) 30%, transparent), transparent 50%),
      linear-gradient(145deg, oklch(0.24 0.04 240), oklch(0.28 0.06 210));
  }

  .cta-band h2 {
    font-size: var(--step-3);
    max-width: 18ch;
    margin-bottom: var(--space-3);
  }

  .cta-band p {
    max-width: 40rem;
    color: color-mix(in oklch, white 78%, transparent);
    margin-bottom: var(--space-5);
  }

  @media (min-width: 900px) {
    .cta-band {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 0.95fr);
      column-gap: clamp(2rem, 4vw, 4.5rem);
      row-gap: var(--space-4);
      align-items: end;
    }

    .cta-band h2 {
      grid-column: 1;
      grid-row: 1;
      max-width: none;
      margin-bottom: 0;
    }

    .cta-band > p {
      grid-column: 1;
      grid-row: 2;
      max-width: none;
      margin-bottom: 0;
    }

    .cta-band .cta-side {
      grid-column: 2;
      grid-row: 1 / span 2;
    }

    .cta-band .cta-points,
    .cta-band .btn-row {
      max-width: none;
      margin: 0;
    }
  }

  .cta-side {
    display: grid;
    gap: 0.9rem;
    align-content: end;
  }

  .form {
    display: grid;
    gap: var(--space-4);
  }

  .field {
    display: grid;
    gap: 0.4rem;
  }

  .field label {
    font-weight: 600;
    font-size: 0.92rem;
  }

  .field input,
  .field select,
  .field textarea {
    width: 100%;
    min-height: 2.9rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius);
    border: 1px solid var(--line-strong);
    background: var(--surface);
    transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
  }

  .field textarea {
    min-height: 8rem;
    resize: vertical;
  }

  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 18%, transparent);
  }

  .form-note {
    color: var(--muted);
    font-size: var(--step--1);
  }

  .form-success {
    display: none;
    padding: var(--space-4);
    border-radius: var(--radius);
    background: color-mix(in oklch, var(--signal) 14%, var(--surface));
    border: 1px solid color-mix(in oklch, var(--signal) 35%, var(--line));
  }

  .form-success.is-visible {
    display: block;
  }

  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 700ms var(--ease-out),
      transform 700ms var(--ease-out);
  }

  .reveal.is-in {
    opacity: 1;
    transform: none;
  }

  @supports (animation-timeline: view()) {
    .reveal-scroll {
      opacity: 0;
      transform: translateY(24px);
      animation: rise-in linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 28%;
    }

    @keyframes rise-in {
      to {
        opacity: 1;
        transform: none;
      }
    }
  }
}

/* -------------------------------------------------------------------------- */
/* Hero + product stage                                                       */
/* -------------------------------------------------------------------------- */
@layer pages {
  .hero {
    position: relative;
    display: block;
    overflow: clip;
    isolation: isolate;
  }

  .hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      radial-gradient(60% 50% at 78% 42%, color-mix(in oklch, var(--accent) 28%, transparent), transparent 70%),
      radial-gradient(45% 40% at 18% 70%, color-mix(in oklch, var(--signal) 18%, transparent), transparent 70%),
      linear-gradient(180deg, color-mix(in oklch, var(--mist) 40%, transparent), var(--surface) 85%);
  }

  .hero__mesh {
    position: absolute;
    inset: -10% -5%;
    z-index: -1;
    opacity: 0.55;
    background:
      conic-gradient(from 180deg at var(--mesh-a) var(--mesh-b),
        color-mix(in oklch, var(--accent-bright) 35%, transparent),
        transparent 28%,
        color-mix(in oklch, var(--signal) 25%, transparent) 55%,
        transparent 72%,
        color-mix(in oklch, var(--accent) 30%, transparent));
    filter: blur(48px);
    animation: mesh-drift 14s var(--ease-out) infinite alternate;
  }

  @keyframes mesh-drift {
    to {
      --mesh-a: 68%;
      --mesh-b: 38%;
    }
  }

  .hero__content {
    width: min(100% - 2rem, 76rem);
    margin-inline: auto;
    padding-block: clamp(1.5rem, 3.2vh, 2.5rem) clamp(1.35rem, 3vh, 2rem);
    display: grid;
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: center;
  }

  .hero--stage {
    min-height: calc(100svh - var(--nav-h));
    display: grid;
    align-items: center;
  }

  .hero--stage .hero__bg {
    background:
      radial-gradient(circle, color-mix(in oklch, var(--accent) 42%, transparent) 1px, transparent 1.6px),
      radial-gradient(48% 42% at 50% 46%, color-mix(in oklch, var(--accent-bright) 28%, transparent), transparent 70%),
      radial-gradient(36% 32% at 18% 72%, color-mix(in oklch, var(--signal) 16%, transparent), transparent 72%),
      linear-gradient(180deg, color-mix(in oklch, var(--mist) 55%, var(--surface)), var(--surface) 88%);
    background-size: 26px 26px, auto, auto, auto;
  }

  .hero--stage .hero__content {
    position: relative;
    z-index: 2;
    width: min(100% - 2.5rem, 40rem);
    min-height: 0;
    justify-items: center;
    text-align: center;
    gap: 0.85rem;
    padding-block: clamp(3.5rem, 8vh, 5rem);
    background: radial-gradient(closest-side, color-mix(in oklch, var(--surface) 88%, transparent), transparent 76%);
  }

  .hero--stage h1 {
    max-width: 14ch;
    margin-inline: auto;
    font-size: clamp(2.55rem, 5.2vw, 4.35rem);
    line-height: 1.02;
  }

  .hero--stage .hero__lead,
  .hero--stage .hero__tagline {
    margin-inline: auto;
  }

  .hero--stage .btn-row {
    justify-content: center;
  }

  .product-home {
    padding-block: clamp(0.5rem, 2vh, 1.25rem) clamp(2.5rem, 6vh, 4rem);
  }

  .sky {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
  }

  .net {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  .spark {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: color-mix(in oklch, var(--accent) 75%, white);
    box-shadow: 0 0 0 5px color-mix(in oklch, var(--accent-bright) 22%, transparent);
  }

  .spark--1 { top: 18%; left: 22%; }
  .spark--2 { top: 30%; right: 18%; }
  .spark--3 { bottom: 24%; left: 16%; }
  .spark--4 { top: 12%; right: 30%; width: 4px; height: 4px; }
  .spark--5 { bottom: 16%; right: 24%; }
  .spark--6 { top: 46%; left: 8%; width: 4px; height: 4px; }

  .float-msg,
  .float-chip {
    position: absolute;
    background: color-mix(in oklch, white 94%, var(--mist));
    border: 1px solid color-mix(in oklch, white 65%, var(--line));
    box-shadow: 0 18px 40px -28px color-mix(in oklch, var(--ink) 70%, transparent);
    animation: float-y 8s ease-in-out infinite alternate;
  }

  .float-msg {
    display: grid;
    gap: 0.15rem;
    width: min(15.5rem, 28vw);
    padding: 0.72rem 0.85rem 0.65rem;
    border-radius: 1.05rem;
    color: var(--ink);
    text-align: left;
  }

  .float-msg strong {
    font-size: 0.78rem;
  }

  .float-msg span {
    font-size: 0.92rem;
    line-height: 1.35;
  }

  .float-msg small {
    color: var(--muted);
    font-size: 0.72rem;
  }

  .float-msg--ai {
    background: color-mix(in oklch, var(--accent-bright) 16%, white);
  }

  .float-msg--a { top: 12%; left: max(1rem, 2.5vw); }
  .float-msg--b { bottom: 13%; left: max(1.4rem, 5vw); animation-duration: 10s; }
  .float-msg--c { top: 15%; right: max(1rem, 2.5vw); animation-duration: 9s; }
  .float-msg--d { bottom: 14%; right: max(1.2rem, 4.5vw); animation-duration: 11s; }

  .float-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.42rem 0.72rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 650;
    color: var(--ink);
  }

  .float-chip::before {
    content: "";
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: var(--accent);
  }

  .float-chip--1 { top: 42%; left: max(0.8rem, 3vw); animation-duration: 9.5s; }
  .float-chip--2 { top: 4%; left: max(1rem, 2.2vw); animation-duration: 7.5s; }
  .float-chip--3 { top: 44%; right: max(0.8rem, 3vw); animation-duration: 8.5s; }
  .float-chip--4 { bottom: 8%; right: max(1rem, 8vw); animation-duration: 10.5s; }

  .glyph,
  .note {
    position: absolute;
    animation: float-y 8s ease-in-out infinite alternate;
  }

  .glyph {
    display: grid;
    justify-items: center;
    gap: 0.28rem;
    width: max-content;
    max-width: 7.2rem;
    padding: 0.62rem 0.55rem 0.5rem;
    border-radius: 1.05rem;
    background: color-mix(in oklch, white 96%, var(--mist));
    border: 1px solid color-mix(in oklch, white 70%, var(--line));
    box-shadow: 0 14px 30px -20px color-mix(in oklch, var(--ink) 55%, transparent);
    color: var(--ink);
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.15;
    text-align: center;
  }

  .glyph i {
    display: grid;
    place-items: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 0.75rem;
    background: color-mix(in oklch, var(--glyph) 18%, white);
    color: var(--glyph);
  }

  .glyph svg {
    width: 1.45rem;
    height: 1.45rem;
    fill: currentColor;
  }

  .glyph--1 { --glyph: oklch(0.62 0.16 250); top: 16%; left: max(4.2rem, calc(50% - 38rem)); }
  .glyph--2 { --glyph: oklch(0.62 0.15 155); top: 42%; left: max(5.4rem, calc(50% - 34rem)); animation-duration: 9s; }
  .glyph--3 { --glyph: oklch(0.58 0.13 230); top: 58%; left: max(4.6rem, calc(50% - 36rem)); animation-duration: 10s; }
  .glyph--4 { --glyph: oklch(0.62 0.14 230); bottom: 20%; left: max(8.5rem, calc(50% - 26rem)); animation-duration: 8.5s; }
  .glyph--5 { --glyph: oklch(0.62 0.16 155); top: auto; bottom: 1.2rem; left: 14.5rem; animation-duration: 11s; }
  .glyph--6 { --glyph: oklch(0.62 0.18 350); top: 18%; right: max(4.4rem, calc(50% - 38rem)); animation-duration: 9.5s; }
  .glyph--7 { --glyph: oklch(0.55 0.14 255); top: 36%; right: max(0.8rem, calc(50% - 32rem)); animation-duration: 8s; }
  .glyph--8 { --glyph: oklch(0.62 0.14 200); top: 56%; right: max(4.2rem, calc(50% - 36rem)); animation-duration: 10.5s; }
  .glyph--9 { --glyph: oklch(0.58 0.15 155); bottom: 16%; right: max(1rem, calc(50% - 30rem)); animation-duration: 9.2s; }
  .glyph--10 { --glyph: oklch(0.62 0.16 300); top: 24%; right: max(8rem, calc(50% - 26rem)); animation-duration: 7.6s; }

  .note {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    max-width: 16rem;
  }

  .note--end { flex-direction: row-reverse; }

  .note__face {
    position: relative;
    flex: none;
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 50%;
    overflow: hidden;
    background: var(--face, #7d6af2);
    box-shadow: 0 0 0 2px white;
  }

  .note__face::before,
  .note__face::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .note__face::before {
    top: -8%;
    width: 78%;
    height: 52%;
    border-radius: 50% 50% 42% 42%;
    background: var(--hair, #2c2144);
  }

  .note__face::after {
    top: 32%;
    width: 52%;
    height: 42%;
    border-radius: 50%;
    background: #f4c7ae;
  }

  .note__text {
    display: grid;
    gap: 0.05rem;
    padding: 0.42rem 0.7rem;
    border-radius: 0.95rem;
    background: var(--bubble);
    color: var(--bubble-ink);
    font-size: 0.78rem;
    font-weight: 650;
    line-height: 1.25;
    box-shadow: 0 10px 24px -16px color-mix(in oklch, var(--ink) 50%, transparent);
  }

  .note__text small {
    font-size: 0.62rem;
    font-weight: 550;
    opacity: 0.72;
  }

  .note--ig { --bubble: oklch(0.62 0.17 305); --bubble-ink: white; --face: oklch(0.78 0.06 305); --hair: #3a2468; }
  .note--wa { --bubble: oklch(0.9 0.08 150); --bubble-ink: oklch(0.28 0.05 155); --face: oklch(0.82 0.06 150); --hair: #24382c; }
  .note--web { --bubble: white; --bubble-ink: var(--ink); --face: oklch(0.86 0.04 70); --hair: #6a3e28; }
  .note--fb { --bubble: oklch(0.58 0.16 255); --bubble-ink: white; --face: oklch(0.78 0.05 255); --hair: #1d3558; }

  .note--1 { top: 8%; left: max(0.6rem, 2vw); }
  .note--2 { top: 34%; left: max(0.5rem, 1.2vw); animation-duration: 9s; }
  .note--3 { bottom: 12%; left: max(1rem, 4vw); animation-duration: 11s; }
  .note--4 { top: 10%; right: max(0.6rem, 2vw); animation-duration: 10s; }

  .sky--foot .float-msg--a { top: 16%; }
  .sky--foot .float-msg--c { top: 20%; }
  .sky--foot .float-chip--1 { top: 9%; left: max(1rem, 16vw); }
  .sky--foot .float-chip--3 { top: 8%; right: max(1rem, 16vw); }

  @keyframes float-y {
    to { transform: translateY(-10px); }
  }

  @media (max-width: 1080px) {
    .sky { display: none; }
  }

  .hero__copy {
    display: grid;
    gap: 0.95rem;
    align-content: center;
  }

  .hero .eyebrow {
    color: var(--accent-deep);
  }

  .hero h1 {
    font-size: var(--step-4);
    font-weight: 600;
    letter-spacing: -0.04em;
    max-width: 18ch;
    color: var(--ink);
  }

  .hero__lead {
    max-width: 38rem;
    color: var(--ink-soft);
    font-size: var(--step-1);
  }

  .hero__tagline {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--accent-deep);
  }

  .hero__copy .btn-row {
    margin-top: 0.35rem;
  }

  .flow {
    position: relative;
    display: grid;
    align-content: center;
    min-width: 0;
  }

  .flow::before {
    content: "";
    position: absolute;
    inset: 18% 6% -6%;
    z-index: 0;
    background: radial-gradient(closest-side, color-mix(in oklch, var(--accent) 42%, transparent), transparent 72%);
    filter: blur(10px);
    pointer-events: none;
  }

  .flow__sources,
  .flow__card {
    position: relative;
    z-index: 1;
  }

  .flow__sources {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    margin-inline: 0.7rem;
    margin-bottom: -1.15rem;
  }

  .flow__sources button {
    display: grid;
    justify-items: center;
    gap: 0.35rem;
    padding: 0.7rem 0.35rem 0.75rem;
    border: 1px solid color-mix(in oklch, white 70%, var(--line));
    border-radius: 0.95rem;
    background: color-mix(in oklch, white 88%, var(--mist));
    color: var(--ink);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 650;
    line-height: 1.2;
  }

  .flow__sources button:hover,
  .flow__sources button:focus-visible {
    border-color: color-mix(in oklch, var(--accent) 55%, white);
    transform: translateY(-2px);
  }

  .flow__mark {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.65rem;
    color: white;
  }

  .flow__mark--wa { background: #1f8f5f; }
  .flow__mark--ig { background: linear-gradient(145deg, #7b4dff, #e05a9a); }
  .flow__mark--tel { background: var(--accent-deep); }

  .flow__mark svg {
    width: 1.05rem;
    height: 1.05rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .flow__card {
    display: grid;
    gap: 0.55rem;
    width: 100%;
    padding: 1.7rem 0.9rem 0.9rem;
    border: 0;
    border-radius: 1.25rem;
    background:
      linear-gradient(180deg, #243044, #1b2433 28%);
    color: #e8eef7;
    text-align: start;
    cursor: pointer;
    box-shadow:
      0 28px 50px -30px color-mix(in oklch, #071018 80%, transparent),
      inset 0 1px 0 color-mix(in oklch, white 14%, transparent);
  }

  .flow__card:hover,
  .flow__card:focus-visible {
    transform: translateY(-2px);
  }

  .flow__who {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.6rem;
    align-items: center;
  }

  .flow__av {
    display: grid;
    place-items: center;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    background: #31445a;
    font-size: 0.72rem;
    font-weight: 700;
  }

  .flow__who strong {
    display: block;
    font-size: 0.92rem;
    line-height: 1.2;
  }

  .flow__who small,
  .flow__bubble small {
    display: block;
    margin-top: 0.12rem;
    color: #93a0b5;
    font-size: 0.72rem;
    line-height: 1.3;
  }

  .flow__who em {
    font-style: normal;
    font-size: 0.75rem;
    font-weight: 700;
    color: #06281c;
    background: #2fce8b;
    border-radius: 999px;
    padding: 0.28rem 0.6rem;
  }

  .flow__bubble {
    justify-self: start;
    max-width: 92%;
    padding: 0.55rem 0.7rem;
    border-radius: 0.85rem 0.85rem 0.85rem 0.3rem;
    background: #2d3648;
    font-size: 0.86rem;
    line-height: 1.4;
  }

  .flow__bubble--ai {
    justify-self: end;
    border-radius: 0.85rem 0.85rem 0.3rem 0.85rem;
    background: #1d6b52;
  }

  .flow__bubble--ai small {
    color: rgb(255 255 255 / 72%);
  }

  @media (max-width: 640px) {
    .hero h1 {
      max-width: none;
    }

    .flow__sources {
      margin-inline: 0.2rem;
    }
  }

  /* Product stage — dominant visual plane */
  .product-stage {
    position: relative;
    border-radius: calc(var(--radius-xl) + 0.25rem);
    overflow: clip;
    border: 1px solid color-mix(in oklch, white 50%, var(--line));
    background:
      linear-gradient(160deg, oklch(0.22 0.035 240), oklch(0.28 0.05 215) 55%, oklch(0.24 0.04 200));
    box-shadow: var(--shadow-lift);
    transform-origin: center bottom;
    animation: stage-enter 1.1s var(--ease-out) both;
  }

  @keyframes stage-enter {
    from {
      opacity: 0;
      transform: translateY(28px) scale(0.985);
    }
  }

  .product-stage__chrome {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid color-mix(in oklch, white 10%, transparent);
    background: color-mix(in oklch, black 18%, transparent);
  }

  .dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: color-mix(in oklch, white 28%, transparent);
  }

  .dot:nth-child(1) {
    background: oklch(0.72 0.14 25);
  }
  .dot:nth-child(2) {
    background: oklch(0.8 0.14 85);
  }
  .dot:nth-child(3) {
    background: oklch(0.72 0.14 150);
  }

  .product-stage__title {
    margin-inline-start: 0.5rem;
    color: color-mix(in oklch, white 70%, transparent);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .product-stage__body {
    display: grid;
    grid-template-columns: 8.75rem 1fr;
  }

  @media (max-width: 640px) {
    .product-stage__body {
      grid-template-columns: 1fr;
    }

    .stage-nav {
      display: none;
    }
  }

  .stage-nav {
    padding: 1rem 0.75rem;
    border-right: 1px solid color-mix(in oklch, white 10%, transparent);
    display: grid;
    gap: 0.35rem;
    align-content: start;
  }

  .stage-nav span {
    display: block;
    padding: 0.55rem 0.65rem;
    border-radius: 0.55rem;
    color: color-mix(in oklch, white 55%, transparent);
    font-size: 0.78rem;
  }

  .stage-nav span.is-active {
    background: color-mix(in oklch, var(--accent) 28%, transparent);
    color: white;
  }

  .stage-inbox {
    padding: 0.85rem;
    display: grid;
    gap: 0.55rem;
    align-content: start;
  }

  .stage-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .stage-metrics span {
    padding: 0.5rem 0.6rem;
    border-radius: 0.65rem;
    background: color-mix(in oklch, white 6%, transparent);
    border: 1px solid color-mix(in oklch, white 8%, transparent);
    color: color-mix(in oklch, white 62%, transparent);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .stage-metrics b {
    display: block;
    margin-bottom: 0.1rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    text-transform: none;
    color: white;
  }

  .thread {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.8rem 0.9rem;
    border-radius: 0.85rem;
    background: color-mix(in oklch, white 7%, transparent);
    border: 1px solid color-mix(in oklch, white 8%, transparent);
    color: white;
    animation: thread-in 700ms var(--ease-out) both;
  }

  .thread:nth-child(1) {
    animation-delay: 0.25s;
  }
  .thread:nth-child(2) {
    animation-delay: 0.4s;
  }
  .thread:nth-child(3) {
    animation-delay: 0.55s;
  }
  .thread:nth-child(4) {
    animation-delay: 0.7s;
  }

  @keyframes thread-in {
    from {
      opacity: 0;
      transform: translateX(12px);
    }
  }

  .thread__avatar {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 0.55rem;
    display: grid;
    place-items: center;
    font-size: 0.7rem;
    font-weight: 700;
    background: color-mix(in oklch, var(--accent-bright) 35%, transparent);
  }

  .thread__meta strong {
    display: block;
    font-size: 0.86rem;
    font-weight: 650;
  }

  .thread__meta span {
    display: block;
    font-size: 0.74rem;
    color: color-mix(in oklch, white 58%, transparent);
  }

  .thread__tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.04em;
    padding: 0.28rem 0.45rem;
    border-radius: 999px;
    background: color-mix(in oklch, var(--signal) 25%, transparent);
    color: color-mix(in oklch, white 90%, transparent);
  }

  .thread--ai .thread__tag {
    background: color-mix(in oklch, var(--accent) 35%, transparent);
  }

  .stage-ai {
    margin-top: 0.35rem;
    padding: 0.9rem 1rem;
    border-radius: 0.85rem;
    border: 1px dashed color-mix(in oklch, var(--accent-bright) 45%, transparent);
    background: color-mix(in oklch, var(--accent) 14%, transparent);
    color: color-mix(in oklch, white 88%, transparent);
    font-size: 0.84rem;
    animation: thread-in 800ms 0.85s var(--ease-out) both;
  }

  .stage-ai strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-bright);
    margin-bottom: 0.35rem;
  }

  /* Value strip under hero */
  .value-strip {
    padding-block: 0;
    border-block: 1px solid var(--line);
    background: color-mix(in oklch, var(--surface) 92%, var(--accent));
  }

  .value-strip__grid {
    display: grid;
  }

  @media (min-width: 900px) {
    .value-strip__grid {
      grid-template-columns: repeat(5, minmax(0, 1fr));
    }
  }

  .value-strip article,
  .value-strip button {
    padding: 1.05rem 1rem 1.15rem;
    border-top: 1px solid var(--line);
  }

  .value-strip button {
    display: block;
    width: 100%;
    text-align: start;
    font: inherit;
    color: inherit;
    background: transparent;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    cursor: pointer;
  }

  .value-strip button:hover,
  .value-strip button.is-on {
    background: color-mix(in oklch, var(--accent) 10%, var(--surface));
  }

  .value-strip article:first-child,
  .value-strip button:first-child {
    border-top: 0;
  }

  @media (min-width: 900px) {
    .value-strip article,
    .value-strip button {
      border-top: 0;
      border-left: 1px solid var(--line);
    }

    .value-strip article:first-child,
    .value-strip button:first-child {
      border-left: 0;
    }
  }

  .value-strip .k {
    display: block;
    margin-bottom: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--accent-deep);
  }

  .value-strip h3 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    margin-bottom: 0.35rem;
  }

  .value-strip p {
    font-size: var(--step--1);
    color: var(--muted);
  }

  .page-hero {
    padding-block: clamp(3rem, 8vh, 5.5rem) var(--space-6);
  }

  @media (min-width: 900px) {
    .page-hero .shell:has(.scene) {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 0.9fr);
      gap: clamp(1.75rem, 4vw, 4rem);
      align-items: center;
    }
  }

  .page-hero h1 {
    font-size: var(--step-4);
    max-width: 18ch;
    margin-block: var(--space-3) var(--space-4);
  }

  .page-hero .shell:not(:has(.scene)) h1,
  .page-hero .shell:not(:has(.scene)) .lede {
    max-width: 40rem;
  }

  .page-hero .lede {
    max-width: none;
  }

  .split .article {
    width: auto;
    margin: 0;
    padding-bottom: 0;
  }

  .checklist {
    display: grid;
    gap: 0.75rem;
  }

  .checklist li {
    display: grid;
    grid-template-columns: 1.25rem 1fr;
    gap: 0.75rem;
    align-items: start;
    color: var(--ink-soft);
  }

  .checklist li::before {
    content: "";
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.2rem;
    border-radius: 0.3rem;
    background:
      linear-gradient(135deg, var(--accent), var(--signal)) center / 55% 2px no-repeat,
      linear-gradient(135deg, var(--accent), var(--signal)) 55% 70% / 2px 45% no-repeat,
      color-mix(in oklch, var(--accent) 14%, var(--surface));
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent) 30%, transparent);
  }

  .sector-grid {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    overflow: clip;
  }

  @media (min-width: 800px) {
    .sector-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .sector-grid a {
    display: grid;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--surface);
    text-decoration: none;
    min-height: 12rem;
    transition: background 200ms var(--ease-out);
  }

  .sector-grid a:hover {
    background: color-mix(in oklch, var(--accent) 7%, var(--surface));
  }

  .sector-grid h3 {
    font-size: var(--step-1);
  }

  .sector-grid p {
    color: var(--muted);
  }

  .flow {
    display: grid;
    gap: 0.75rem;
    counter-reset: step;
  }

  .flow li {
    counter-increment: step;
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
  }

  .flow li::before {
    content: counter(step, decimal-leading-zero);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-deep);
    padding-top: 0.2rem;
  }

  .pricing-grid {
    display: grid;
    gap: 1rem;
  }

  @media (min-width: 900px) {
    .pricing-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .price-plan {
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    display: grid;
    gap: 1rem;
    align-content: start;
  }

  .price-plan--featured {
    border-color: color-mix(in oklch, var(--accent) 45%, var(--line));
    background:
      linear-gradient(180deg, color-mix(in oklch, var(--accent) 10%, transparent), transparent 40%),
      var(--surface);
    box-shadow: var(--shadow-soft);
  }

  .price-plan h3 {
    font-size: var(--step-1);
  }

  .price-plan .amount {
    font-family: var(--font-display);
    font-size: var(--step-3);
    letter-spacing: -0.03em;
  }

  .price-plan .amount small {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--muted);
    font-weight: 500;
  }

  .channel-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: var(--space-4);
  }

  .channel {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: color-mix(in oklch, var(--surface-2) 90%, var(--accent));
    border: 1px solid var(--line);
    font-size: 0.85rem;
    font-weight: 560;
  }

  .channel i {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--accent);
  }
}

/* -------------------------------------------------------------------------- */
/* Utilities                                                                  */
/* -------------------------------------------------------------------------- */
@layer utilities {
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .mt-0 {
    margin-top: 0;
  }
  .mt-3 {
    margin-top: var(--space-3);
  }
  .mt-4 {
    margin-top: var(--space-4);
  }
  .mt-5 {
    margin-top: var(--space-5);
  }
  .mt-6 {
    margin-top: var(--space-6);
  }
  .mb-4 {
    margin-bottom: var(--space-4);
  }
  .text-muted {
    color: var(--muted);
  }
  .max-prose {
    max-width: 42rem;
  }
}