/* Bamidele Aly — site styles.
   Skeletonic CSS is loaded first; this file owns the visual system,
   inspired by Apple's restraint: generous whitespace, tight typography,
   a refined grayscale palette with a single accent. */

/* Self-hosted Atkinson Hyperlegible — no Google Fonts dependency.
   Total 4 subsets ≈ 53 KB; font-display: swap so text paints immediately. */
@font-face {
  font-family: 'Atkinson Hyperlegible';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/atkinson-400-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: 'Atkinson Hyperlegible';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/atkinson-400-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: 'Atkinson Hyperlegible';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/atkinson-700-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: 'Atkinson Hyperlegible';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/atkinson-700-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;
}

/* Skeletonic primitives are inlined directly below — the few resets we
   actually depend on, sourced from Skeletonic 2.0.0's base layer. */

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

/* Body word-wrap so long technical terms never blow out the viewport */
a, abbr, address, article, aside, audio, b, blockquote, body, button,
caption, cite, code, dd, del, dfn, dl, dt, em, fieldset, figure, footer,
form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins,
kbd, label, legend, li, mark, menu, nav, object, ol, p, pre, q, samp,
section, select, small, span, strong, sub, sup, table, tbody, td, tfoot,
th, thead, time, tr, ul, var, video { word-break: break-word; }

[hidden] { display: none; }

@view-transition { navigation: auto; }

@layer site {
  :root,
  :root[data-theme="light"] {
    --bg: #fbfbfd;
    --bg-soft: #f5f5f7;
    --surface: #ffffff;
    --surface-soft: #f5f5f7;
    --surface-elev: #ffffff;
    --ink: #1d1d1f;
    --ink-soft: #3a3a3d;
    --ink-muted: #545458;
    --line: #c7c7cc;
    --line-soft: #e8e8ed;
    --accent: #0066c8;
    --accent-hover: #0070d8;
    --accent-press: #005db5;
    --accent-soft: #e8f1fd;
    --accent-ink: #ffffff;
    --dark: #1d1d1f;
    --dark-ink: #f5f5f7;
    --focus: #0071e3;
    --shadow-sm: 0 1px 1px rgba(0, 0, 0, .04), 0 2px 4px rgba(0, 0, 0, .04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, .06), 0 18px 30px rgba(0, 0, 0, .04);
    --shadow-lg: 0 30px 60px rgba(0, 0, 0, .08);
    --header-bg: rgba(251, 251, 253, .72);
    --header-border: rgba(0, 0, 0, .12);
    color-scheme: light;
  }

  :root[data-theme="dark"] {
    --bg: #000000;
    --bg-soft: #0a0a0a;
    --surface: #1d1d1f;
    --surface-soft: #161617;
    --surface-elev: #2a2a2c;
    --ink: #f5f5f7;
    --ink-soft: #e5e5ea;
    --ink-muted: #a8a8ae;
    --line: #3a3a3d;
    --line-soft: #1f1f22;
    --accent: #2997ff;
    --accent-hover: #3aa1ff;
    --accent-press: #1e8bf5;
    --accent-soft: #0d2640;
    --accent-ink: #001026;
    --dark: #000000;
    --dark-ink: #f5f5f7;
    --focus: #2997ff;
    --shadow-sm: 0 1px 1px rgba(0, 0, 0, .4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, .5);
    --shadow-lg: 0 30px 60px rgba(0, 0, 0, .6);
    --header-bg: rgba(0, 0, 0, .72);
    --header-border: rgba(255, 255, 255, .15);
    color-scheme: dark;
  }

  :root {
    --radius-sm: 10px;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-pill: 980px;
    --container: 1180px;
    --pad: clamp(1.1rem, 3.5vw, 2rem);
    --font-text: "Atkinson Hyperlegible", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
    --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Atkinson Hyperlegible", system-ui, sans-serif;
    --ease-out: cubic-bezier(.2, .8, .2, 1);
    --ease-in-out: cubic-bezier(.4, 0, .2, 1);
  }

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

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
    text-size-adjust: 100%;
    overflow-x: clip;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-text);
    font-size: 17px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transition: background-color .4s var(--ease-out), color .4s var(--ease-out);
    overflow-x: clip;
  }

  /* Ensure long words always break — no horizontal scroll on phones */
  h1, h2, h3, h4, p, li, dd, dt, blockquote, a {
    overflow-wrap: break-word;
    word-break: normal;
  }

  img { display: block; max-width: 100%; height: auto; }
  a { color: var(--accent); text-decoration: none; transition: color .15s var(--ease-out); }
  a:hover { color: var(--accent-hover); text-decoration: underline; text-underline-offset: .25em; }
  p { margin-block: 0 1em; }
  p:last-child { margin-block-end: 0; }

  h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.08;
    margin: 0 0 .5em;
    color: var(--ink);
  }

  :focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
    border-radius: 6px;
  }

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

  .honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }

  .container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--pad);
  }
  .narrow { max-width: 820px; }

  .grid { display: grid; gap: clamp(1.25rem, 2.8vw, 2.5rem); }
  .grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  [class*="col-span-"] { grid-column: span 12 / span 12; }

  /* Skip link */
  .skip-link {
    position: fixed;
    inset-block-start: .75rem;
    inset-inline-start: .75rem;
    z-index: 9999;
    transform: translateY(-160%);
    background: var(--ink);
    color: var(--bg);
    padding: .8rem 1.1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: transform .25s var(--ease-out);
  }
  .skip-link:focus { transform: translateY(0); text-decoration: none; }

  /* ============================================================
     Header / navigation — Apple-style slim sticky bar
     ============================================================ */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 100;
    background: var(--header-bg);
    border-block-end: 1px solid transparent;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    transition: background-color .3s var(--ease-out), border-color .25s var(--ease-out);
  }
  .site-header.scrolled { border-block-end-color: var(--header-border); }

  .header-inner {
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: var(--ink);
    text-decoration: none;
    font-family: var(--font-display);
  }
  .brand:hover { color: var(--ink); text-decoration: none; }
  .brand-mark {
    inline-size: 28px;
    block-size: 28px;
    display: inline-grid;
    place-items: center;
    border-radius: 50%;
    background: var(--ink);
    color: var(--bg);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .03em;
  }
  .brand-text {
    font-weight: 600;
    letter-spacing: .04em;
    font-size: .95rem;
  }

  /* Nav: links + theme toggle live side by side; mobile collapses links to a drawer */
  .site-nav {
    display: flex;
    align-items: center;
    gap: .25rem;
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: .15rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav-link {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    padding: .35rem .85rem;
    border-radius: 999px;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: -.005em;
    transition: color .15s var(--ease-out), background-color .15s var(--ease-out);
  }
  .nav-link:hover {
    color: var(--ink);
    background: var(--surface-soft);
    text-decoration: none;
  }
  .nav-link.active {
    color: var(--ink);
    text-decoration: none;
  }
  .nav-link.active::after {
    content: "";
    display: inline-block;
    inline-size: 4px;
    block-size: 4px;
    margin-inline-start: .45rem;
    border-radius: 50%;
    background: var(--accent);
  }

  /* Hamburger (mobile) */
  .nav-toggle {
    display: none;
    appearance: none;
    inline-size: 36px;
    block-size: 36px;
    border: none;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    transition: background-color .2s var(--ease-out);
  }
  .nav-toggle:hover { background: var(--surface-soft); }
  .nav-toggle span {
    display: block;
    inline-size: 18px;
    block-size: 1.5px;
    margin: 4px auto;
    background: currentColor;
    border-radius: 999px;
    transition: transform .25s var(--ease-out), opacity .2s var(--ease-out);
  }
  .site-nav.open .nav-toggle span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
  .site-nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-nav.open .nav-toggle span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

  /* Search trigger button (sits in nav next to theme toggle) */
  .search-trigger {
    display: inline-grid;
    place-items: center;
    inline-size: 36px;
    block-size: 36px;
    appearance: none;
    border: none;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    border-radius: 50%;
    padding: 0;
    font-family: var(--font-text);
    transition: background-color .2s var(--ease-out), color .15s var(--ease-out);
  }
  .search-trigger:hover { background: var(--surface-soft); }
  .search-trigger:active { transform: scale(.92); }
  .search-trigger svg {
    inline-size: 18px;
    block-size: 18px;
    display: block;
    pointer-events: none;
  }
  .search-trigger-label,
  .search-trigger .search-shortcut { display: none; }

  /* Search overlay (modal) */
  .search-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(2rem, 12vh, 12vh) clamp(.75rem, 4vw, 1.5rem) 1rem;
    background: rgba(0, 0, 0, .45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity .18s var(--ease-out);
  }
  .search-overlay.open {
    display: flex;
    opacity: 1;
  }
  .search-box {
    inline-size: 100%;
    max-inline-size: 600px;
    max-block-size: 80vh;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 25px 60px rgba(0, 0, 0, .35);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: search-pop .22s var(--ease-out);
  }
  @keyframes search-pop {
    from { transform: translateY(-8px) scale(.98); opacity: 0; }
    to   { transform: translateY(0)    scale(1);   opacity: 1; }
  }
  .search-input-row {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .85rem 1rem;
    border-block-end: 1px solid var(--line-soft);
  }
  .search-input-row svg {
    inline-size: 18px;
    block-size: 18px;
    color: var(--ink-muted);
    flex: none;
  }
  .search-input {
    inline-size: 100%;
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--ink);
    font: inherit;
    font-size: 1.05rem;
    line-height: 1.4;
    outline: 0;
    padding: .15rem 0;
  }
  .search-input::placeholder { color: var(--ink-muted); }
  .search-cancel {
    flex: none;
    display: inline-grid;
    place-items: center;
    appearance: none;
    inline-size: 32px;
    block-size: 32px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--ink-muted);
    cursor: pointer;
    transition: background-color .15s var(--ease-out), color .15s var(--ease-out);
  }
  .search-cancel:hover { color: var(--ink); background: var(--surface-soft); }
  .search-cancel svg { inline-size: 18px; block-size: 18px; pointer-events: none; }

  .search-results {
    overflow-y: auto;
    flex: 1;
    min-block-size: 0;
  }
  .search-result {
    display: block;
    padding: .8rem 1rem;
    border-block-end: 1px solid var(--line-soft);
    color: var(--ink);
    text-decoration: none;
    transition: background-color .12s var(--ease-out), color .12s var(--ease-out);
  }
  .search-result:last-child { border-block-end: 0; }
  .search-result:hover,
  .search-result.active {
    background: var(--surface-soft);
    color: var(--ink);
    text-decoration: none;
  }
  .search-result.active .search-result-title { color: var(--accent); }
  .search-result-title {
    margin: 0;
    font-weight: 600;
    font-size: .98rem;
    letter-spacing: -.005em;
  }
  .search-result-desc {
    margin: .2rem 0 0;
    color: var(--ink-muted);
    font-size: .85rem;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .search-empty {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--ink-muted);
    font-size: .92rem;
  }
  .search-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: .55rem 1rem;
    border-block-start: 1px solid var(--line-soft);
    color: var(--ink-muted);
    font-size: .72rem;
    background: var(--bg-soft);
  }
  .search-footer kbd {
    display: inline-block;
    padding: 1px 6px;
    margin-inline-end: .25em;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--surface);
    color: var(--ink-soft);
    font-family: ui-monospace, SF Mono, Menlo, monospace;
    font-size: .68rem;
    font-weight: 600;
    line-height: 1.5;
  }
  @media (max-width: 560px) {
    .search-overlay { padding-block-start: 1rem; padding-block-end: 0; align-items: stretch; }
    .search-box { max-block-size: 100vh; border-radius: 0; max-inline-size: none; }
    .search-footer { display: none; }
  }

  /* Theme toggle — refined, monochrome */
  .theme-toggle {
    display: inline-grid;
    place-items: center;
    inline-size: 36px;
    block-size: 36px;
    appearance: none;
    border: none;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    border-radius: 50%;
    margin-inline-start: .25rem;
    transition: background-color .2s var(--ease-out), color .15s var(--ease-out), transform .3s var(--ease-out);
  }
  .theme-toggle:hover { background: var(--surface-soft); }
  .theme-toggle:active { transform: scale(.92); }
  .theme-toggle svg {
    inline-size: 18px;
    block-size: 18px;
    display: block;
    pointer-events: none;
  }
  .theme-toggle .icon-sun { display: none; }
  .theme-toggle .icon-moon { display: block; }
  :root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
  :root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

  /* Language switcher — sits beside the theme toggle in the header */
  .lang-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-inline-start: .15rem;
  }
  .lang-switch-trigger {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    appearance: none;
    border: none;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    padding: .35rem .6rem;
    min-height: 36px;
    border-radius: 999px;
    font-family: var(--font-text);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
    transition: background-color .2s var(--ease-out), color .15s var(--ease-out);
  }
  .lang-switch-trigger:hover { background: var(--surface-soft); }
  .lang-switch-trigger svg {
    inline-size: 16px;
    block-size: 16px;
    display: block;
  }
  .lang-switch-trigger .lang-chevron {
    inline-size: 12px;
    block-size: 12px;
    transition: transform .2s var(--ease-out);
  }
  .lang-switch-trigger[aria-expanded="true"] .lang-chevron { transform: rotate(180deg); }
  .lang-switch-menu {
    position: absolute;
    inset-block-start: calc(100% + 6px);
    inset-inline-end: 0;
    min-inline-size: 180px;
    margin: 0;
    padding: .35rem;
    list-style: none;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    z-index: 60;
    transform-origin: top right;
    opacity: 0;
    transform: translateY(-6px) scale(.98);
    pointer-events: none;
    transition: opacity .18s var(--ease-out), transform .18s var(--ease-out);
  }
  .lang-switch[data-open="true"] .lang-switch-menu {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .lang-switch-menu a {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem .75rem;
    border-radius: 10px;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
  }
  .lang-switch-menu a:hover { background: var(--surface-soft); color: var(--ink); text-decoration: none; }
  .lang-switch-menu a[aria-current="true"] {
    color: var(--ink);
    background: var(--accent-soft);
  }
  .lang-switch-menu .lang-code {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-muted);
    min-inline-size: 22px;
  }
  .lang-switch-menu a[aria-current="true"] .lang-code { color: var(--ink); }
  .lang-switch-menu .lang-name { flex: 1; }
  @media (max-width: 768px) {
    .lang-switch-trigger .lang-globe { display: none; }
  }

  /* ============================================================
     Hero
     ============================================================ */
  .hero,
  .studio-hero {
    padding-block: clamp(3rem, 8vw, 7rem);
    background: var(--bg);
  }
  .hero-grid { align-items: center; }
  .hero-image-wrap { display: flex; justify-content: center; }
  .hero-image {
    inline-size: min(360px, 80vw);
    aspect-ratio: 1;
    border-radius: 50%;
    padding: 8px;
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-soft) 100%);
    box-shadow: var(--shadow-md);
    view-transition-name: hero-portrait;
  }
  .hero-image.square { border-radius: var(--radius-lg); }
  .hero-image img,
  .hero-image picture,
  .hero-image picture img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    border-radius: inherit;
  }
  .hero-content { max-width: 720px; }
  .section-eyebrow {
    margin: 0 0 .85rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .78rem;
    font-weight: 600;
  }
  h1,
  .page-hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.8rem);
    line-height: 1.05;
    letter-spacing: -.035em;
    font-weight: 700;
  }
  .hero-subhead,
  .page-hero p,
  .intro-body p,
  .rich-text p {
    color: var(--ink-soft);
    font-size: clamp(1.1rem, 1.6vw, 1.32rem);
    line-height: 1.45;
  }
  .hero-subhead {
    max-width: 620px;
    margin-block: 1.3rem 1.7rem;
  }
  .hero-list {
    display: grid;
    gap: .55rem;
    padding: 0;
    margin: 0 0 1.9rem;
    list-style: none;
  }
  .hero-list li {
    position: relative;
    padding-inline-start: 1.55rem;
    color: var(--ink);
    font-size: 1.02rem;
    font-weight: 500;
  }
  .hero-list li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    inset-block-start: .58em;
    inline-size: .42rem;
    block-size: .42rem;
    border-radius: 50%;
    background: var(--accent);
  }

  /* ============================================================
     Buttons
     ============================================================ */
  .cta-row,
  .contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
  }
  .btn-primary,
  .btn-secondary {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: .65rem 1.2rem;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: .95rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .15s var(--ease-out), color .15s var(--ease-out), border-color .15s var(--ease-out), transform .12s var(--ease-out);
  }
  .btn-primary:active,
  .btn-secondary:active { transform: translateY(1px) scale(.99); }
  .btn-primary {
    color: var(--accent-ink);
    background: var(--accent);
  }
  .btn-primary:hover {
    color: var(--accent-ink);
    background: var(--accent-hover);
    text-decoration: none;
  }
  .btn-primary.light {
    background: var(--surface);
    color: var(--ink);
  }
  .btn-primary.light:hover { background: var(--bg-soft); color: var(--ink); }
  .btn-secondary {
    color: var(--ink);
    background: transparent;
    border-color: var(--line);
  }
  .btn-secondary:hover {
    color: var(--ink);
    border-color: var(--ink);
    text-decoration: none;
  }
  .btn-primary:disabled,
  .btn-secondary:disabled {
    opacity: .5;
    cursor: not-allowed;
  }

  /* ============================================================
     Sections
     ============================================================ */
  .intro,
  .expertise,
  .feature-project,
  .approach,
  .speaking,
  .content-section,
  .contact-options,
  .contact-card-section,
  .project-detail,
  .agents-section {
    padding-block: clamp(3rem, 7vw, 6rem);
    background: var(--surface);
  }
  .expertise,
  .approach,
  .content-section.alt,
  .project-detail.alt,
  .agents-section {
    background: var(--surface-soft);
  }
  .trusted-section {
    padding-block: clamp(1.5rem, 3.5vw, 2.5rem);
    background: var(--bg);
    border-block: 1px solid var(--line-soft);
  }
  .page-hero {
    padding-block: clamp(3rem, 8vw, 7rem);
    background: var(--bg);
  }

  .intro-body h2,
  .section-title,
  .feature-project h2,
  .approach h2,
  .project-detail h2,
  .content-section h2,
  .contact-card h2,
  .agents-section h2 {
    margin: 0 0 1rem;
    font-size: clamp(1.85rem, 4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -.025em;
  }
  .intro-body { max-width: 880px; }

  /* Trusted strip */
  .trusted-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: clamp(1.4rem, 4vw, 2.8rem);
    margin-block-start: .9rem;
  }
  .trusted-label {
    flex-basis: 100%;
    text-align: center;
    margin: 0;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .72rem;
    font-weight: 600;
  }
  .trusted-item {
    color: var(--ink-muted);
    font-weight: 600;
    font-size: .92rem;
    transition: color .15s var(--ease-out);
  }
  .trusted-item:hover { color: var(--ink); }

  /* Cards */
  .card-grid { margin-block-start: 1.4rem; }
  .card,
  .feature-card,
  .timeline-item,
  .publication,
  .contact-card {
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .25s var(--ease-out);
  }
  .feature-card:hover,
  .timeline-item:hover,
  .publication:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--line);
  }
  .feature-card,
  .timeline-item,
  .publication {
    padding: clamp(1.3rem, 2.4vw, 1.75rem);
  }
  .feature-card h3,
  .timeline-item h3,
  .publication h3,
  .project-detail h3 {
    margin: 0 0 .55rem;
    font-size: clamp(1.1rem, 1.7vw, 1.32rem);
    letter-spacing: -.015em;
  }
  .feature-card p,
  .timeline-item p,
  .publication p {
    margin: 0;
    color: var(--ink-soft);
  }
  .feature-card p + p,
  .timeline-item p + p,
  .publication p + p { margin-block-start: .6rem; }

  .split-grid { align-items: start; }
  .project-kicker {
    margin: 0;
    color: var(--ink-muted);
    font-weight: 600;
  }
  .rich-text p { margin-block: 0 1rem; }
  .text-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-block-start: .5rem;
    font-weight: 500;
  }
  .text-link:hover { text-decoration: none; }
  .text-link span { transition: transform .2s var(--ease-out); }
  .text-link:hover span { transform: translateX(4px); }

  .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    padding: 0;
    margin: 1.2rem 0 0;
    list-style: none;
  }
  .tag-list li {
    padding: .35rem .8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--ink-soft);
    font-size: .85rem;
    font-weight: 500;
  }

  .timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.4rem);
    margin-block-start: 1.4rem;
  }
  .quote-block {
    margin-block-start: .9rem;
    padding-inline-start: 1rem;
    border-inline-start: 2px solid var(--accent);
    color: var(--ink);
    font-style: italic;
    font-size: .95rem;
    line-height: 1.5;
  }

  /* ============================================================
     Mermaid agent diagram container
     ============================================================ */
  .agent-diagram-wrap {
    margin-block-start: 1.8rem;
    padding: clamp(1rem, 2.4vw, 2rem);
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
  }
  /* Pre-rendered diagram — light SVG on a card so the dark theme still
     reads it on a soft surface, no Mermaid runtime required. */
  .mermaid-svg {
    display: block;
    inline-size: 100%;
    max-inline-size: 100%;
    block-size: auto;
    background: #ffffff;
    border-radius: var(--radius);
    padding: clamp(.5rem, 1.5vw, 1rem);
  }
  .agent-legend {
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: .55rem 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
  .agent-legend li {
    font-size: .92rem;
    color: var(--ink-soft);
    line-height: 1.4;
  }
  .agent-legend strong { color: var(--ink); font-weight: 600; }

  /* ============================================================
     Intake form — Apple-style minimal
     ============================================================ */
  .intake-form {
    margin-block-start: 1.75rem;
    display: grid;
    gap: 1.25rem;
  }
  .field { display: flex; flex-direction: column; gap: .4rem; }
  .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .field label {
    font-weight: 600;
    font-size: .92rem;
    color: var(--ink);
    letter-spacing: -.005em;
  }
  .field .hint {
    font-size: .85rem;
    color: var(--ink-muted);
    margin: 0;
  }
  .field .required-mark {
    color: var(--ink-muted);
    font-weight: 400;
    margin-inline-start: .15em;
  }
  .field input,
  .field select,
  .field textarea {
    inline-size: 100%;
    appearance: none;
    -webkit-appearance: none;
    padding: .85rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 1rem;
    line-height: 1.4;
    transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out), background-color .2s var(--ease-out);
  }
  .field select {
    background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
    background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 13px) calc(50% - 2px);
    background-size: 5px 5px;
    background-repeat: no-repeat;
    padding-inline-end: 2.5rem;
  }
  .field input::placeholder,
  .field textarea::placeholder { color: var(--ink-muted); }
  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 4px var(--accent-soft);
  }
  .field textarea { min-block-size: 140px; resize: vertical; }
  .field [aria-invalid="true"] {
    border-color: #d70015;
    box-shadow: 0 0 0 3px rgba(215, 0, 21, .12);
  }
  :root[data-theme="dark"] .field [aria-invalid="true"] {
    border-color: #ff453a;
    box-shadow: 0 0 0 3px rgba(255, 69, 58, .18);
  }
  .intake-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    align-items: center;
    margin-block-start: .35rem;
  }
  .intake-fallback {
    margin: 0;
    font-size: .88rem;
    color: var(--ink-muted);
  }
  .reveal-email {
    appearance: none;
    border: none;
    background: transparent;
    padding: 0;
    color: var(--accent);
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: .2em;
  }
  .reveal-email:hover { color: var(--accent-hover); }
  .reveal-email-out a {
    color: var(--accent);
    font-weight: 500;
  }
  .reveal-email-copied {
    color: var(--ink-muted);
    font-size: .85rem;
  }
  .intake-status {
    margin: 0;
    min-block-size: 1.4em;
    font-size: .92rem;
    color: var(--ink-soft);
  }
  .intake-status[data-state="error"] { color: #d70015; }
  .intake-status[data-state="success"] { color: #1d8348; }
  :root[data-theme="dark"] .intake-status[data-state="error"] { color: #ff453a; }
  :root[data-theme="dark"] .intake-status[data-state="success"] { color: #30d158; }

  /* ============================================================
     Contact band + footer
     ============================================================ */
  .contact-band {
    background: var(--dark);
    color: var(--dark-ink);
    padding-block: clamp(2.5rem, 6vw, 4.5rem);
  }
  .contact-band .section-eyebrow,
  .contact-band h2 { color: var(--dark-ink); }
  .contact-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
  }
  .contact-inner h2 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.12;
  }
  .contact-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: clamp(1.5rem, 4vw, 2.5rem);
  }

  .site-footer {
    background: var(--bg-soft);
    color: var(--ink-soft);
    padding-block: 1.5rem;
    border-block-start: 1px solid var(--line-soft);
    font-size: .85rem;
  }
  .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
  }
  .site-footer p { margin: 0; }
  .site-footer a { color: var(--ink-soft); }
  .site-footer a:hover { color: var(--ink); }

  /* ============================================================
     Responsive
     ============================================================ */
  @media (min-width: 768px) {
    .col-span-4 { grid-column: span 4 / span 4; }
    .col-span-5 { grid-column: span 5 / span 5; }
    .col-span-7 { grid-column: span 7 / span 7; }
  }

  @media (max-width: 900px) {
    .nav-toggle { display: inline-block; order: 3; }
    .theme-toggle { order: 1; }
    .lang-switch { order: 2; }
    .lang-switch-trigger { padding-inline: .5rem; }
    .nav-menu {
      position: absolute;
      inset-block-start: calc(100% + 1px);
      inset-inline: 0;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding: .5rem var(--pad) 1rem;
      background: var(--header-bg);
      backdrop-filter: saturate(180%) blur(20px);
      -webkit-backdrop-filter: saturate(180%) blur(20px);
      border-block-end: 1px solid var(--header-border);
      opacity: 0;
      pointer-events: none;
      transform: translateY(-6px);
      transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
    }
    .site-nav.open .nav-menu {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }
    .nav-link {
      min-height: 48px;
      padding: .85rem .25rem;
      border-bottom: 1px solid var(--line-soft);
      font-size: 1.05rem;
      border-radius: 0;
    }
    .nav-link:hover { background: transparent; color: var(--ink); }
    .nav-link.active::after { display: none; }
    .nav-link.active { color: var(--accent); }
    .timeline { grid-template-columns: 1fr; }
    .contact-inner,
    .contact-card {
      flex-direction: column;
      align-items: stretch;
    }
    .field-row { grid-template-columns: 1fr; }
    .btn-primary,
    .btn-secondary { inline-size: 100%; }
  }

  @media (max-width: 560px) {
    body { font-size: 16px; }
    .brand-text { font-size: .82rem; }
    .hero-image { inline-size: min(260px, 76vw); }
    h1, .page-hero h1 { font-size: clamp(2rem, 11vw, 3rem); }
  }

  /* ============================================================
     Editorial / longform essays (Apple-style chapters with soft snap)
     ============================================================ */
  .essay-hero {
    padding-block: clamp(4rem, 12vw, 9rem) clamp(2rem, 6vw, 5rem);
    background: var(--bg);
    text-align: center;
  }
  .essay-hero .container { max-inline-size: 760px; }
  .essay-eyebrow {
    display: inline-block;
    margin: 0 0 1rem;
    padding: .3rem .8rem;
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .72rem;
    font-weight: 700;
  }
  .essay-title {
    font-size: clamp(2.4rem, 6.5vw, 4.2rem);
    line-height: 1.04;
    letter-spacing: -.04em;
    margin: 0 0 1rem;
  }
  .essay-dek {
    color: var(--ink-soft);
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    line-height: 1.4;
    margin: 0 auto 1.5rem;
    max-inline-size: 640px;
  }
  .essay-meta {
    display: inline-flex;
    gap: .8rem;
    align-items: center;
    color: var(--ink-muted);
    font-size: .85rem;
  }
  .essay-meta .dot {
    inline-size: 3px;
    block-size: 3px;
    border-radius: 50%;
    background: var(--ink-muted);
  }

  .essay-body { padding-block: clamp(1rem, 3vw, 2rem) clamp(4rem, 10vw, 7rem); }
  .essay-body .container { max-inline-size: 680px; }

  .essay-chapter {
    padding-block: clamp(2.5rem, 7vw, 5rem);
    border-block-start: 1px solid var(--line-soft);
    scroll-snap-align: start;
    scroll-snap-stop: normal;
    scroll-margin-top: 88px;
  }
  .essay-chapter:first-of-type { border-block-start: 0; padding-block-start: 0; }
  .essay-chapter h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    line-height: 1.1;
    letter-spacing: -.025em;
    margin: 0 0 1.25rem;
  }
  .essay-chapter h2::before {
    content: counter(essay-chapter, decimal-leading-zero);
    counter-increment: essay-chapter;
    display: block;
    color: var(--ink-muted);
    font-family: ui-monospace, SF Mono, Menlo, monospace;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .1em;
    margin-block-end: .5rem;
  }
  .essay-body { counter-reset: essay-chapter; }
  .essay-chapter p {
    color: var(--ink-soft);
    font-size: clamp(1.05rem, 1.5vw, 1.18rem);
    line-height: 1.65;
    margin-block: 0 1.1em;
  }
  .essay-chapter p:first-of-type:first-letter {
    color: var(--ink);
    float: left;
    font-family: var(--font-display);
    font-size: 4.2em;
    line-height: .85;
    font-weight: 700;
    padding-inline-end: .12em;
    padding-block-start: .08em;
  }
  .essay-chapter:not(:first-of-type) p:first-of-type:first-letter {
    /* drop-cap only on the very first chapter */
    all: unset;
  }
  .essay-pull {
    margin: clamp(2.5rem, 6vw, 4rem) 0;
    padding-block: 1.25rem;
    border-block: 1px solid var(--line-soft);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.8vw, 1.9rem);
    line-height: 1.25;
    letter-spacing: -.02em;
    text-align: center;
  }
  .essay-pull::before, .essay-pull::after {
    content: '';
    display: block;
    inline-size: 32px;
    block-size: 2px;
    background: var(--accent);
    margin: 0 auto .8rem;
  }
  .essay-pull::after { margin: .8rem auto 0; }

  .essay-footer {
    margin-block-start: clamp(2rem, 5vw, 3.5rem);
    padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--line-soft);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    color: var(--ink-muted);
    font-size: .9rem;
  }

  /* Soft snap on the chapters (opt-in via class, no motion if user opts out) */
  @media (prefers-reduced-motion: no-preference) {
    .essay-snap {
      scroll-snap-type: y proximity;
    }
  }

  /* Notes index page */
  .notes-grid {
    display: grid;
    gap: clamp(1rem, 2vw, 1.4rem);
    grid-template-columns: 1fr;
    margin-block-start: 1.8rem;
  }
  @media (min-width: 768px) {
    .notes-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  .note-card {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    padding: clamp(1.3rem, 2.4vw, 1.75rem);
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    color: var(--ink);
    text-decoration: none;
    transition: transform .25s var(--ease-out), border-color .25s var(--ease-out), box-shadow .25s var(--ease-out);
  }
  .note-card:hover {
    transform: translateY(-2px);
    border-color: var(--line);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--ink);
  }
  .note-card .essay-eyebrow { align-self: flex-start; }
  .note-card h3 {
    font-size: clamp(1.15rem, 1.8vw, 1.4rem);
    letter-spacing: -.02em;
    margin: 0;
  }
  .note-card p {
    color: var(--ink-soft);
    margin: 0;
    font-size: .96rem;
    line-height: 1.5;
  }
  .note-card .note-meta {
    margin-block-start: auto;
    color: var(--ink-muted);
    font-size: .82rem;
    padding-block-start: .4rem;
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      scroll-behavior: auto !important;
      transition-duration: .01ms !important;
    }
    @view-transition { navigation: none; }
    .essay-snap { scroll-snap-type: none; }
  }

  @media print {
    .site-header,
    .site-footer,
    .skip-link,
    .nav-toggle,
    .theme-toggle { display: none !important; }
    body { background: #fff; color: #000; }
    a { color: #000; text-decoration: underline; }
  }
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: .35s;
  animation-timing-function: cubic-bezier(.2, .8, .2, 1);
}