@charset "utf-8";

/* =============================================================================
   LemonCode — design system
   Layer order is declared once, up front, so specificity never depends on
   source order and page-level overrides always win over components.
   ========================================================================== */

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

/* -----------------------------------------------------------------------------
   Fonts — self-hosted variable Montserrat, split by script so a Latin reader
   never downloads the Cyrillic subset.
   -------------------------------------------------------------------------- */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/assets/fonts/montserrat-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/assets/fonts/montserrat-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/assets/fonts/montserrat-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("/assets/fonts/montserrat-cyrillic-ext.woff2") format("woff2");
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F,
    U+FE2E-FE2F;
}

/* -----------------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------------- */

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

  * {
    margin: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    /* Sticky header height, so in-page anchors are not hidden behind it. */
    scroll-padding-block-start: 5.5rem;
  }

  body {
    min-block-size: 100svb;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

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

  button {
    background: none;
    border: 0;
    cursor: pointer;
  }

  ul[class],
  ol[class] {
    list-style: none;
    padding-inline-start: 0;
  }

  :target {
    scroll-margin-block-start: 5.5rem;
  }

  @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;
    }
  }
}

/* -----------------------------------------------------------------------------
   Tokens
   -------------------------------------------------------------------------- */

@layer tokens {
  :root {
    color-scheme: dark;

    /* Brand palette (carried over from the previous design system). */
    --background: hsl(216 55% 8%);
    --foreground: hsl(220 13% 91%);
    --card: hsl(216 40% 13%);
    --surface-alt: hsl(216 45% 11%);
    --accent: hsl(216 45% 11%);

    --primary: hsl(82 80% 45%);
    --primary-foreground: hsl(216 55% 8%);
    --primary-hover: hsl(82 85% 38%);

    --destructive: hsl(0 72% 58%);
    --success: hsl(152 60% 45%);

    --border: hsl(218 24% 22%);
    --text-primary: hsl(220 13% 91%);
    --text-secondary: hsl(214 32% 81%);
    --text-tertiary: hsl(220 14% 72%);

    /* Derived tints. color-mix replaces the old `bg-primary/10` utilities. */
    --primary-05: color-mix(in srgb, var(--primary) 5%, transparent);
    --primary-10: color-mix(in srgb, var(--primary) 10%, transparent);
    --primary-20: color-mix(in srgb, var(--primary) 20%, transparent);
    --primary-50: color-mix(in srgb, var(--primary) 50%, transparent);

    --radius: 0.7rem;
    --radius-sm: calc(var(--radius) - 4px);
    --radius-pill: 999px;

    /* Fluid type scale. */
    --step--1: clamp(0.83rem, 0.8rem + 0.15vi, 0.9rem);
    --step-0: clamp(1rem, 0.96rem + 0.2vi, 1.09rem);
    --step-1: clamp(1.15rem, 1.07rem + 0.4vi, 1.35rem);
    --step-2: clamp(1.4rem, 1.25rem + 0.75vi, 1.85rem);
    --step-3: clamp(1.75rem, 1.5rem + 1.25vi, 2.5rem);
    --step-4: clamp(2.1rem, 1.7rem + 2vi, 3.25rem);

    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.1rem;
    --space-lg: 1.6rem;
    --space-xl: 2.2rem;
    --space-2xl: 3rem;

    --section-padding: clamp(2.5rem, 5vw, 4.5rem);
    --container: min(1120px, 92vw);

    --shadow-card: 0 10px 30px rgb(0 0 0 / 0.55);
    --shadow-lift: 0 16px 40px rgb(0 0 0 / 0.65);

    --ease: cubic-bezier(0.2, 0, 0, 1);
    --duration: 200ms;
  }

  /* Honour a forced-light preference without abandoning the brand identity. */
  @media (prefers-contrast: more) {
    :root {
      --text-secondary: hsl(220 13% 93%);
      --text-tertiary: hsl(220 13% 86%);
      --border: hsl(218 24% 38%);
    }
  }
}

/* -----------------------------------------------------------------------------
   Base elements
   -------------------------------------------------------------------------- */

@layer base {
  body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: var(--step-0);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    line-height: 1.15;
    font-weight: 700;
    text-wrap: balance;
    color: var(--foreground);
  }

  h1 {
    font-size: var(--step-4);
    font-weight: 800;
    letter-spacing: -0.02em;
  }

  h2 {
    font-size: var(--step-3);
    letter-spacing: -0.01em;
  }

  h3 {
    font-size: var(--step-2);
  }

  h4 {
    font-size: var(--step-1);
  }

  p {
    text-wrap: pretty;
  }

  a {
    color: inherit;
    text-decoration-thickness: from-font;
    text-underline-offset: 0.15em;
  }

  strong {
    color: var(--foreground);
    font-weight: 700;
  }

  :focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }

  ::selection {
    background: var(--primary);
    color: var(--primary-foreground);
  }

  hr {
    border: 0;
    border-block-start: 1px solid var(--border);
    margin-block: var(--space-lg);
  }
}

/* -----------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

@layer layout {
  .container {
    inline-size: var(--container);
    margin-inline: auto;
  }

  .section {
    padding-block: var(--section-padding);

    &.is-alt {
      background-color: var(--surface-alt);
    }
  }

  .page-body {
    flex: 1;
  }

  .stack > * + * {
    margin-block-start: var(--flow, var(--space-md));
  }

  .measure {
    max-inline-size: 72ch;
    margin-inline: auto;
  }

  .measure-narrow {
    max-inline-size: 52ch;
    margin-inline: auto;
  }

  .center {
    text-align: center;
  }

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

  /* Auto-fitting card grids: no breakpoint maths, no orphan rows. */
  .grid-cards {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  }

  .grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  }

  .cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);

    &.is-center {
      justify-content: center;
    }
  }

  .section-head {
    text-align: center;
    margin-block-end: var(--space-xl);
    display: grid;
    gap: var(--space-sm);
    justify-items: center;

    & p {
      font-size: var(--step-1);
      color: var(--text-secondary);
      max-inline-size: 60ch;
    }
  }
}

/* -----------------------------------------------------------------------------
   Components
   -------------------------------------------------------------------------- */

@layer components {
  /* --- Icons ----------------------------------------------------------- */

  /* Presentation attributes on the sprite's root <svg> are NOT inherited
     through <use>, so the stroke styling has to live here instead. */
  .icon {
    inline-size: 1.15em;
    block-size: 1.15em;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .icon-sm {
    inline-size: 1em;
    block-size: 1em;
  }

  /* --- Skip link ------------------------------------------------------- */

  .skip-link {
    position: absolute;
    inset-block-start: -100%;
    inset-inline-start: var(--space-md);
    z-index: 100;
    padding: var(--space-xs) var(--space-md);
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;

    &:focus {
      inset-block-start: var(--space-md);
    }
  }

  /* --- Header ---------------------------------------------------------- */

  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--background) 88%, transparent);
    backdrop-filter: blur(10px);
    border-block-end: 1px solid transparent;
    transition: border-color var(--duration) var(--ease);

    /* Toggled by a tiny scroll listener; also survives with JS disabled. */
    &[data-scrolled="true"] {
      border-block-end-color: var(--border);
    }
  }

  .site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block: var(--space-md);
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--step-2);
    font-weight: 700;
    text-decoration: none;
    transition: opacity var(--duration) var(--ease);

    & img {
      block-size: clamp(1.9rem, 1.5rem + 1.2vi, 2.5rem);
      inline-size: auto;
    }

    & .brand-mark {
      color: var(--primary);
    }

    &:hover {
      opacity: 0.82;
    }
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);

    & a {
      color: var(--text-secondary);
      font-weight: 500;
      text-decoration: none;
      transition: color var(--duration) var(--ease);

      &:hover,
      &[aria-current="page"] {
        color: var(--primary);
      }
    }
  }

  .nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs);
    color: var(--foreground);
    border-radius: var(--radius-sm);
    transition: color var(--duration) var(--ease);

    & .icon {
      inline-size: 1.5rem;
      block-size: 1.5rem;
    }

    &:hover {
      color: var(--primary);
    }
  }

  /* Mobile navigation. The panel is a real <div hidden>, toggled by JS;
     without JS the links remain reachable from the footer. */
  .nav-panel {
    display: none;
  }

  @media (width < 62rem) {
    .nav-links {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .nav-panel:not([hidden]) {
      display: grid;
      gap: var(--space-sm);
      padding-block: var(--space-md);
      margin-block-start: var(--space-xs);
      border-block-start: 1px solid var(--border);

      & a {
        color: var(--text-secondary);
        text-decoration: none;
        font-weight: 500;
        padding-block: var(--space-2xs);

        &:hover {
          color: var(--primary);
        }
      }
    }
  }

  /* --- Language switcher ----------------------------------------------- */

  .lang-switch {
    position: relative;

    & summary {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2xs);
      padding: var(--space-2xs) var(--space-xs);
      border-radius: var(--radius-sm);
      color: var(--text-secondary);
      font-size: var(--step--1);
      font-weight: 600;
      text-transform: uppercase;
      cursor: pointer;
      list-style: none;

      &::-webkit-details-marker {
        display: none;
      }

      &:hover {
        color: var(--primary);
      }
    }

    & .lang-menu {
      position: absolute;
      inset-inline-end: 0;
      inset-block-start: calc(100% + 0.4rem);
      min-inline-size: 10rem;
      display: grid;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-card);
      padding: var(--space-2xs);
      z-index: 60;

      & a {
        display: flex;
        gap: var(--space-xs);
        padding: var(--space-2xs) var(--space-xs);
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        text-decoration: none;
        font-size: var(--step--1);

        &:hover {
          background: var(--surface-alt);
          color: var(--primary);
        }

        &[aria-current="true"] {
          color: var(--primary);
          font-weight: 600;
        }
      }

      & .lang-code {
        text-transform: uppercase;
        font-weight: 600;
        min-inline-size: 1.6rem;
      }
    }
  }

  /* On mobile the switcher sits inside the panel, so drop the absolute menu. */
  .nav-panel .lang-switch .lang-menu {
    position: static;
    box-shadow: none;
    border: 0;
    padding: 0;
    background: none;
  }

  /* --- Buttons --------------------------------------------------------- */

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.7rem 1.3rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--step-0);
    text-decoration: none;
    line-height: 1.2;
    border: 1px solid transparent;
    transition:
      background-color var(--duration) var(--ease),
      border-color var(--duration) var(--ease),
      color var(--duration) var(--ease),
      transform var(--duration) var(--ease);

    & svg {
      inline-size: 1.1em;
      block-size: 1.1em;
      flex-shrink: 0;
    }

    &:active {
      transform: translateY(1px);
    }

    &:disabled,
    &[aria-disabled="true"] {
      opacity: 0.55;
      pointer-events: none;
    }
  }

  .btn-primary {
    background: var(--primary);
    color: var(--primary-foreground);

    &:hover {
      background: var(--primary-hover);
    }
  }

  .btn-ghost {
    color: var(--text-secondary);

    &:hover {
      background: var(--surface-alt);
      color: var(--primary);
    }
  }

  .btn-outline {
    border-color: var(--border);
    color: var(--foreground);

    &:hover {
      border-color: var(--primary);
      color: var(--primary);
    }
  }

  .btn-lg {
    padding: 0.9rem 1.6rem;
    font-size: var(--step-1);
  }

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

  /* --- Badges ---------------------------------------------------------- */

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    background: var(--primary);
    color: var(--primary-foreground);
    border: 1px solid transparent;
  }

  .badge-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
  }

  /* --- Cards ----------------------------------------------------------- */

  .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
  }

  .card-link {
    display: block;
    text-decoration: none;
    transition:
      border-color var(--duration) var(--ease),
      transform var(--duration) var(--ease),
      box-shadow var(--duration) var(--ease);

    &:hover {
      border-color: var(--primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lift);
    }

    & h3 {
      transition: color var(--duration) var(--ease);
    }

    &:hover h3 {
      color: var(--primary);
    }
  }

  .card-accent {
    border-color: var(--primary-20);
  }

  .card-feature {
    border-color: var(--primary);
    background: linear-gradient(180deg, var(--primary-05), transparent 60%),
      var(--card);
  }

  .card-icon {
    display: inline-flex;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--primary-10);
    border: 1px solid var(--primary-20);
    color: var(--primary);
    margin-block-end: var(--space-md);

    & svg {
      inline-size: 1.5rem;
      block-size: 1.5rem;
    }
  }

  .card-step {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 2.5rem;
    block-size: 2.5rem;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    background: var(--primary-10);
    border: 1px solid var(--primary-20);
    color: var(--primary);
    font-size: var(--step-1);
    font-weight: 700;
  }

  /* --- Bullet lists ---------------------------------------------------- */

  .bullets {
    display: grid;
    gap: var(--space-sm);

    & li {
      display: flex;
      align-items: start;
      gap: var(--space-sm);
      color: var(--text-secondary);
    }

    & li::before {
      content: "";
      inline-size: 0.4rem;
      block-size: 0.4rem;
      margin-block-start: 0.62em;
      border-radius: 50%;
      background: var(--primary);
      flex-shrink: 0;
    }

    &.is-negative li::before {
      background: var(--destructive);
    }

    &.is-check li::before {
      content: "✓";
      inline-size: auto;
      block-size: auto;
      margin-block-start: 0;
      background: none;
      color: var(--primary);
      font-weight: 700;
    }

    &.is-small li {
      font-size: var(--step--1);
    }
  }

  /* --- Notice / callout ------------------------------------------------ */

  .notice {
    background: color-mix(in srgb, var(--accent) 60%, transparent);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-md);
    color: var(--text-secondary);
  }

  /* --- Hero ------------------------------------------------------------ */

  .hero {
    position: relative;
    overflow: clip;
  }

  .hero-grid {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
  }

  @media (width >= 62rem) {
    .hero-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  .hero-copy {
    display: grid;
    gap: var(--space-lg);
    justify-items: start;
  }

  .hero-lede {
    font-size: var(--step-1);
    color: var(--text-secondary);
    max-inline-size: 40ch;
  }

  .hero-art {
    display: none;
    place-items: center;
    position: relative;
  }

  @media (width >= 62rem) {
    .hero-art {
      display: grid;
    }
  }

  .hero-art img {
    inline-size: min(100%, 26rem);
    filter: drop-shadow(0 20px 45px rgb(0 0 0 / 0.6));
    animation: float 6s ease-in-out infinite;
  }

  .hero-glow {
    position: absolute;
    inset: 12%;
    background: var(--primary-10);
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
  }

  /* Decorative blurred blobs. Hidden from assistive tech and from anyone who
     asked for reduced motion. */
  .hero-bubbles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: clip;

    & span {
      position: absolute;
      border-radius: 50%;
      filter: blur(64px);
      background: var(--primary-05);
      will-change: transform;
    }

    & span:nth-child(1) {
      inline-size: 16rem;
      block-size: 16rem;
      inset-block-start: 5rem;
      inset-inline-start: 3rem;
      animation: drift 20s ease-in-out infinite;
    }

    & span:nth-child(2) {
      inline-size: 24rem;
      block-size: 24rem;
      inset-block-start: 10rem;
      inset-inline-end: 5rem;
      background: var(--primary-10);
      animation: drift 25s ease-in-out 5s infinite;
    }

    & span:nth-child(3) {
      inline-size: 20rem;
      block-size: 20rem;
      inset-block-end: 5rem;
      inset-inline-start: 33%;
      animation: drift 30s ease-in-out 10s infinite;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .hero-bubbles {
      display: none;
    }
  }

  /* --- Blog cards ------------------------------------------------------ */

  .post-card {
    display: flex;
    flex-direction: column;
    overflow: clip;
    padding: 0;

    & .post-card-media {
      inline-size: 100%;
      overflow: clip;
      background: var(--surface-alt);
      flex-shrink: 0;
    }

    /* The ratio belongs on the replaced element. On the wrapper, `min-block-size:
       auto` lets the image's intrinsic height push the box past the ratio. */
    & .post-card-media img {
      inline-size: 100%;
      block-size: auto;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      transition: transform 300ms var(--ease);
    }

    &:hover .post-card-media img {
      transform: scale(1.04);
    }

    & .post-card-body {
      padding: var(--space-lg);
      display: grid;
      gap: var(--space-sm);
      align-content: start;
    }
  }

  .post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-tertiary);
    font-size: var(--step--1);
  }

  .post-excerpt {
    color: var(--text-secondary);
  }

  /* --- Forms ----------------------------------------------------------- */

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

  .field {
    display: grid;
    gap: var(--space-2xs);
  }

  .field label {
    font-weight: 600;
    font-size: var(--step--1);
  }

  .field .hint {
    font-size: 0.8rem;
    color: var(--text-tertiary);
  }

  .input,
  .select,
  .textarea {
    inline-size: 100%;
    padding: 0.7rem 0.85rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--foreground);
    transition: border-color var(--duration) var(--ease);

    &::placeholder {
      color: var(--text-tertiary);
    }

    &:hover {
      border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
    }

    &:user-invalid {
      border-color: var(--destructive);
    }
  }

  .textarea {
    resize: vertical;
    min-block-size: 8rem;
  }

  .select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-tertiary) 50%),
      linear-gradient(135deg, var(--text-tertiary) 50%, transparent 50%);
    background-position:
      calc(100% - 1.1rem) 1.15rem,
      calc(100% - 0.75rem) 1.15rem;
    background-size:
      0.35rem 0.35rem,
      0.35rem 0.35rem;
    background-repeat: no-repeat;
    padding-inline-end: 2.2rem;
  }

  .checkbox-row {
    display: flex;
    align-items: center;
    gap: var(--space-xs);

    & input[type="checkbox"] {
      inline-size: 1.05rem;
      block-size: 1.05rem;
      accent-color: var(--primary);
      flex-shrink: 0;
    }

    & label {
      font-weight: 400;
      font-size: var(--step-0);
      cursor: pointer;
    }
  }

  /* Honeypot: off-screen but not display:none, so bots still fill it. */
  .trap {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .form-status {
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--step--1);
    border: 1px solid var(--border);

    &[data-state="success"] {
      border-color: var(--success);
      color: var(--success);
      background: color-mix(in srgb, var(--success) 10%, transparent);
    }

    &[data-state="error"] {
      border-color: var(--destructive);
      color: var(--destructive);
      background: color-mix(in srgb, var(--destructive) 10%, transparent);
    }
  }

  /* --- Tabs (pricing) --------------------------------------------------- */

  .tabs {
    display: flex;
    justify-content: center;
    margin-block-end: var(--space-xl);
  }

  .tablist {
    display: inline-flex;
    gap: 0.25rem;
    padding: 0.25rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
  }

  .tab {
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--step--1);
    transition:
      background-color var(--duration) var(--ease),
      color var(--duration) var(--ease);

    &[aria-selected="true"] {
      background: var(--primary);
      color: var(--primary-foreground);
    }
  }

  /* --- Tables ---------------------------------------------------------- */

  .table-scroll {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }

  .data-table {
    inline-size: 100%;
    border-collapse: collapse;
    min-inline-size: 40rem;

    & th,
    & td {
      padding: var(--space-sm) var(--space-md);
      border-block-end: 1px solid var(--border);
      text-align: center;
    }

    & thead th {
      font-size: var(--step-0);
      color: var(--foreground);
    }

    & tbody th,
    & td:first-child {
      text-align: start;
      color: var(--text-secondary);
      font-weight: 500;
    }

    & tr:last-child td {
      border-block-end: 0;
    }

    & .is-highlight {
      background: var(--primary-05);
    }

    & .row-emphasis {
      background: color-mix(in srgb, var(--accent) 50%, transparent);
      font-weight: 600;
      color: var(--foreground);
    }
  }

  /* --- Pricing plans --------------------------------------------------- */

  .plan {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

  .plan-flag {
    position: absolute;
    inset-block-start: calc(var(--space-md) * -1);
    inset-inline-start: 50%;
    translate: -50% 0;
  }

  .plan-price {
    font-size: var(--step-3);
    font-weight: 800;
    color: var(--foreground);
    line-height: 1.1;
  }

  .plan-price-note {
    font-size: var(--step--1);
    color: var(--text-tertiary);
  }

  .plan-divider {
    border-block-start: 1px solid var(--border);
    padding-block-start: var(--space-md);
  }

  /* --- Footer ---------------------------------------------------------- */

  .site-footer {
    background: var(--card);
    border-block-start: 1px solid var(--border);
    margin-block-start: auto;
    padding-block: var(--space-2xl);

    & h2 {
      font-size: var(--step--1);
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--foreground);
      margin-block-end: var(--space-sm);
    }

    & ul {
      display: grid;
      gap: var(--space-xs);
    }

    & a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: var(--step--1);

      &:hover {
        color: var(--primary);
      }
    }
  }

  .footer-grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
    margin-block-end: var(--space-xl);
  }

  .footer-legal {
    border-block-start: 1px solid var(--border);
    padding-block-start: var(--space-lg);
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--step--1);
  }

  /* --- 404 ------------------------------------------------------------- */

  .error-page {
    display: grid;
    place-items: center;
    gap: var(--space-md);
    text-align: center;
    min-block-size: 60svb;
    padding-block: var(--section-padding);
  }

  .error-code {
    font-size: clamp(4rem, 3rem + 8vi, 7rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
  }
}

/* -----------------------------------------------------------------------------
   Long-form prose (blog post bodies and legal pages)
   -------------------------------------------------------------------------- */

@layer prose {
  .prose {
    color: var(--text-secondary);
    font-size: var(--step-0);
    line-height: 1.75;

    & > * + * {
      margin-block-start: var(--space-md);
    }

    & .prose-heading {
      color: var(--foreground);
      margin-block-start: var(--space-xl);
      margin-block-end: var(--space-xs);
      scroll-margin-block-start: 6rem;
    }

    & h2.prose-heading {
      font-size: var(--step-2);
    }

    & h3.prose-heading {
      font-size: var(--step-1);
    }

    & h4.prose-heading {
      font-size: var(--step-0);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-tertiary);
    }

    & a {
      color: var(--primary);
      text-decoration: underline;

      &:hover {
        text-decoration-thickness: 2px;
      }
    }

    & .prose-list {
      display: grid;
      gap: var(--space-xs);
      padding-inline-start: 1.4rem;
      list-style: disc;

      & li {
        padding-inline-start: 0.25rem;

        &::marker {
          color: var(--primary);
        }
      }
    }

    & .prose-list-ordered {
      list-style: decimal;

      & li::marker {
        font-weight: 700;
      }
    }

    & .prose-quote {
      border-inline-start: 4px solid var(--primary);
      background: var(--card);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      padding: var(--space-md) var(--space-lg);
      margin-block: var(--space-lg);
      color: var(--foreground);
      font-style: italic;
    }

    & .prose-code {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: var(--space-md);
      overflow-x: auto;
      font-size: 0.9rem;
      line-height: 1.55;
    }

    & code {
      font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
      font-size: 0.88em;
    }

    & :not(pre) > code {
      background: var(--surface-alt);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 0.1em 0.35em;
    }
  }

  /* Article header */
  .article-header {
    display: grid;
    gap: var(--space-md);
    margin-block-end: var(--space-xl);
  }

  .article-media {
    inline-size: 100%;
    align-self: start;
    border-radius: var(--radius);
    overflow: clip;

    /* Ratio on the image, not the wrapper — see .post-card-media. */
    & img {
      inline-size: 100%;
      block-size: auto;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }
  }

  .article-footer {
    margin-block-start: var(--space-2xl);
    padding-block-start: var(--space-lg);
    border-block-start: 1px solid var(--border);
  }

  .back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;

    &:hover {
      color: var(--primary);
    }
  }

  /* Legal documents */
  .legal-section {
    border-block-end: 1px solid var(--border);
    padding-block-end: var(--space-lg);

    &:last-child {
      border-block-end: 0;
    }

    & h2 {
      font-size: var(--step-1);
      margin-block-end: var(--space-xs);
    }

    & p {
      color: var(--text-secondary);
    }

    & a {
      color: var(--primary);
    }
  }
}

/* -----------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */

@layer utilities {
  .visually-hidden {
    position: absolute !important;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }

  .text-secondary {
    color: var(--text-secondary);
  }

  .text-tertiary {
    color: var(--text-tertiary);
  }

  .text-primary {
    color: var(--primary);
  }

  .text-lead {
    font-size: var(--step-1);
    color: var(--text-secondary);
  }

  .text-small {
    font-size: var(--step--1);
  }

  .fw-600 {
    font-weight: 600;
  }

  .mt-md {
    margin-block-start: var(--space-md);
  }

  .mt-lg {
    margin-block-start: var(--space-lg);
  }

  .mt-xl {
    margin-block-start: var(--space-xl);
  }

  .mb-md {
    margin-block-end: var(--space-md);
  }

  .mb-lg {
    margin-block-end: var(--space-lg);
  }

  .mb-xl {
    margin-block-end: var(--space-xl);
  }

  [hidden] {
    display: none !important;
  }
}

/* -----------------------------------------------------------------------------
   Motion
   -------------------------------------------------------------------------- */

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-18px);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -3rem, 0) scale(1.12);
  }
}

/* Cross-document view transitions: same-origin navigations cross-fade instead
   of flashing white. Progressive — browsers without support just navigate. */
@view-transition {
  navigation: auto;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition {
    navigation: none;
  }
}