:root {
    --bg: #FFFFFF;
    --bg-2: #F5F1FC;
    --panel: #FFFFFF;
    --line: #E4DBF5;
    --text: #3E2E68;
    --text-muted: #8577A6;
    --accent: #7B5CFA;
    --accent-2: #B48CF2;
    --pass: #3F9E82;
    --shadow-color: 258deg 55% 55%;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    color-scheme: light;
  }

  :root[data-theme="dark"] {
    --bg: #16121F;
    --bg-2: #1E1830;
    --panel: #1C1729;
    --line: #332A4A;
    --text: #EDE7FA;
    --text-muted: #A99FC7;
    --accent: #9B82FF;
    --accent-2: #C6A8FF;
    --pass: #52C79A;
    --shadow-color: 258deg 60% 4%;
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background:
      radial-gradient(1100px 480px at 82% -8%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
      var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  a { color: inherit; }

  .wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 32px;
  }
  @media (max-width: 640px) { .wrap { padding: 0 20px; } }

  /* ---------- Reveal-on-scroll ---------- */
  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);
  }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
  }

  /* ---------- Nav ---------- */
  header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }
  header.scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 8px 24px -20px hsl(var(--shadow-color) / 0.6);
  }
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
  }
  .nav-mark {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 9px;
  }
  .nav-controls {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
  }
  .brand-badge {
    display: block;
    flex-shrink: 0;
    object-fit: contain;
  }
  .nav-links {
    display: flex;
    gap: 30px;
    font-size: 0.92rem;
    color: var(--text-muted);
  }
  .nav-links a { text-decoration: none; transition: color 0.2s ease; position: relative; }
  .nav-links a::after {
    content: "";
    position: absolute;
    left: 0; bottom: -5px;
    width: 100%; height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s cubic-bezier(.2,.7,.2,1);
  }
  .nav-links a:hover::after { transform: scaleX(1); }
  .nav-links a:hover { color: var(--text); }
  .theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
    padding: 0;
    position: relative;
    transition: border-color 0.2s ease, transform 0.2s ease;
  }
  .theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
  .theme-toggle svg {
    position: absolute;
    transition: opacity 0.2s ease, transform 0.3s ease;
  }
  .icon-moon { opacity: 0; transform: rotate(-40deg) scale(0.7); }
  .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
  :root[data-theme="dark"] .icon-sun { opacity: 0; transform: rotate(40deg) scale(0.7); }
  :root[data-theme="dark"] .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    cursor: pointer;
    padding: 0;
  }
  .nav-toggle span {
    display: block;
    width: 16px;
    height: 2px;
    margin: 0 auto;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  @media (max-width: 640px) {
    .nav-toggle { display: flex; }
    .nav-links {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      flex-direction: column;
      gap: 0;
      background: var(--bg);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 16px 30px -20px hsl(var(--shadow-color) / 0.5);
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transition: max-height 0.3s ease, opacity 0.25s ease;
    }
    .nav-links.open { max-height: 320px; opacity: 1; }
    .nav-links a {
      padding: 16px 20px;
      border-bottom: 1px solid var(--line);
      width: 100%;
    }
    .nav-links a::after { display: none; }
    .nav { position: relative; }
  }

  .btn {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  }
  .btn-primary {
    background: #FFFFFF;
    color: #5A3FD6;
    border: 1px solid var(--line);
    box-shadow: 0 10px 24px -8px hsl(var(--shadow-color) / 0.30);
    position: relative;
    overflow: hidden;
  }
  .btn-primary::before {
    content: "";
    position: absolute;
    top: 0; left: -60%;
    width: 40%; height: 100%;
    background: linear-gradient(115deg, transparent, color-mix(in srgb, var(--accent) 22%, transparent), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s ease;
  }
  .btn-primary:hover::before { left: 130%; }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -8px hsl(var(--shadow-color) / 0.4); }
  .btn-ghost {
    border: 1px solid var(--line);
    color: var(--text);
    background: var(--panel);
  }
  .btn-ghost:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -12px hsl(var(--shadow-color) / 0.5); }

  :root[data-theme="dark"] .btn-primary {
    background: var(--panel);
    color: var(--accent-2);
  }

  /* ---------- Hero ---------- */
  .hero { padding: 108px 0 84px; position: relative; overflow: hidden; min-height: 560px; }
  .hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
  }
  .hero-orb-1 {
    width: 340px; height: 340px;
    top: -80px; right: 6%;
    background: radial-gradient(circle, var(--accent), transparent 70%);
    animation: float-a 14s ease-in-out infinite;
  }
  .hero-orb-2 {
    width: 240px; height: 240px;
    top: 160px; right: 22%;
    background: radial-gradient(circle, var(--accent-2), transparent 70%);
    animation: float-b 18s ease-in-out infinite;
  }
  @keyframes float-a {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-24px, 30px) scale(1.08); }
  }
  @keyframes float-b {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(18px, -22px) scale(0.94); }
  }

  .hero-stage {
    position: absolute;
    top: 46%;
    right: 5%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    perspective: 1200px;
    z-index: 0;
    pointer-events: none;
  }
  @media (max-width: 980px) { .hero-stage { display: none; } }
  .hero-stage-glow {
    position: absolute;
    inset: 8%;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
  }
  .hero-stage-shadow {
    position: absolute;
    bottom: 10%;
    left: 50%;
    width: 46%;
    height: 22px;
    background: radial-gradient(ellipse, hsl(var(--shadow-color) / 0.4), transparent 72%);
    transform: translateX(-50%);
    border-radius: 50%;
    filter: blur(1px);
    animation: shadow-pulse 14s linear infinite;
  }
  .hero-logo-spin {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-style: preserve-3d;
    animation: spin3d 14s linear infinite;
  }
  .hero-logo-spin img {
    width: 60%;
    height: auto;
    filter: drop-shadow(0 18px 26px hsl(var(--shadow-color) / 0.32));
    backface-visibility: visible;
  }
  @keyframes spin3d {
    from { transform: rotateY(0deg) rotateX(8deg); }
    to { transform: rotateY(360deg) rotateX(8deg); }
  }
  @keyframes shadow-pulse {
    0%, 50%, 100% { transform: translateX(-50%) scaleX(1); opacity: 0.5; }
    25%, 75% { transform: translateX(-50%) scaleX(0.55); opacity: 0.3; }
  }
  .hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--pass);
    margin: 0 0 22px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--pass);
    display: inline-block;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--pass) 18%, transparent);
    animation: pulse 2.4s ease-in-out infinite;
  }
  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--pass) 18%, transparent); }
    50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--pass) 8%, transparent); }
  }
  h1 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.4rem, 5.4vw, 3.7rem);
    line-height: 1.1;
    margin: 0 0 28px;
    max-width: 16ch;
    letter-spacing: -0.02em;
  }
  .hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 54ch;
    margin: 0 0 38px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

  /* ---------- Section heads ---------- */
  .section { padding: 84px 0; }
  .section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 46px;
    flex-wrap: wrap;
  }
  .section-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.7rem, 3vw, 2.2rem);
    margin: 0;
    max-width: 20ch;
    letter-spacing: -0.01em;
    position: relative;
  }
  .section-title::after {
    content: "";
    display: block;
    height: 3px;
    width: 0;
    margin-top: 16px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 2px;
    transition: width 0.8s cubic-bezier(.2,.7,.2,1) 0.15s;
  }
  .section-head.is-visible .section-title::after { width: 56px; }
  .section-note { color: var(--text-muted); font-size: 0.96rem; max-width: 34ch; margin: 0; }

  /* ---------- Elevated card base (3D) ---------- */
  .tilt-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow:
      0 1px 2px hsl(var(--shadow-color) / 0.06),
      0 14px 30px -18px hsl(var(--shadow-color) / 0.35);
    transform-style: preserve-3d;
    will-change: transform;
    transition: box-shadow 0.3s ease, transform 0.1s ease;
  }
  .tilt-card:hover {
    box-shadow:
      0 2px 4px hsl(var(--shadow-color) / 0.08),
      0 26px 46px -20px hsl(var(--shadow-color) / 0.45);
  }
  .tilt-inner { transform: translateZ(30px); }

  /* ---------- Founders ---------- */
  .founders {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  @media (max-width: 720px) { .founders { grid-template-columns: 1fr; } }
  .founders .tilt-card:nth-child(1) { transition-delay: 0s; }
  .founders .tilt-card:nth-child(2) { transition-delay: 0.12s; }
  .founder { padding: 38px 34px; }
  .founder-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 10px 18px -10px color-mix(in srgb, var(--accent) 60%, transparent);
    margin-bottom: 18px;
    letter-spacing: 0.02em;
  }
  .founder-role {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    margin: 0 0 8px;
  }
  .founder-name {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 600;
    margin: 0 0 14px;
    letter-spacing: -0.01em;
  }
  .founder-bio { color: var(--text-muted); font-size: 0.97rem; margin: 0 0 22px; }
  .chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
  .chip {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    padding: 6px 11px;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--text-muted);
    transition: transform 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  }
  .chip:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
  .founder-contact { font-size: 0.88rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 5px; }
  .founder-contact a { text-decoration: none; border-bottom: 1px solid var(--line); }
  .founder-contact a:hover { border-color: var(--accent); color: var(--accent); }
  .founder-portfolio-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 22px;
    padding: 10px 18px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--bg-2);
    color: var(--text);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  }
  .founder-portfolio-btn svg { transition: transform 0.2s ease; }
  .founder-portfolio-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -14px hsl(var(--shadow-color) / 0.5);
  }
  .founder-portfolio-btn:hover svg { transform: translate(1px, -1px); }

  /* ---------- Services ---------- */
  .services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  @media (max-width: 800px) { .services { grid-template-columns: 1fr; } }
  .section-more { display: flex; justify-content: center; margin-top: 34px; }

  /* ---------- Services page (what we do, full catalog) ---------- */
  .services-page { padding-top: 8px; }
  .services-group-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    margin: 56px 0 22px;
  }
  .services-group-title:first-child { margin-top: 0; }
  .services-coming { margin-top: 8px; }
  .services-coming .services-group-title { margin-bottom: 6px; }

  .service.is-coming-soon { position: relative; opacity: 0.72; border-style: dashed; }
  .coming-soon-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--bg-2);
    border: 1px solid var(--line);
    color: var(--text-muted);
    z-index: 1;
  }
  .services .tilt-card:nth-child(1) { transition-delay: 0s; }
  .services .tilt-card:nth-child(2) { transition-delay: 0.1s; }
  .services .tilt-card:nth-child(3) { transition-delay: 0.2s; }
  .service { padding: 30px 26px; }
  .service-icon {
    width: 40px; height: 40px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2)));
    margin-bottom: 20px;
    box-shadow: 0 10px 18px -10px color-mix(in srgb, var(--accent) 60%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .service h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.16rem; margin: 0 0 10px; letter-spacing: -0.01em; }
  .service p { color: var(--text-muted); font-size: 0.93rem; margin: 0; }

  /* ---------- Process ---------- */
  .process { display: flex; flex-direction: column; gap: 16px; }
  .process .step:nth-child(1) { transition-delay: 0s; }
  .process .step:nth-child(2) { transition-delay: 0.08s; }
  .process .step:nth-child(3) { transition-delay: 0.16s; }
  .process .step:nth-child(4) { transition-delay: 0.24s; }
  .step {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 22px;
    align-items: start;
    padding: 26px 28px;
  }
  .step-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(120deg, var(--accent), var(--accent-2), var(--accent));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 6s ease-in-out infinite;
  }
  @keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }
  .step-body h4 { margin: 0 0 6px; font-size: 1.06rem; font-weight: 600; }
  .step-body p { margin: 0; color: var(--text-muted); font-size: 0.93rem; max-width: 56ch; }

  /* ---------- Stack ---------- */
  .stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  @media (max-width: 720px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
  .stack-grid .tilt-card:nth-child(1) { transition-delay: 0s; }
  .stack-grid .tilt-card:nth-child(2) { transition-delay: 0.08s; }
  .stack-grid .tilt-card:nth-child(3) { transition-delay: 0.16s; }
  .stack-grid .tilt-card:nth-child(4) { transition-delay: 0.24s; }
  .stack-group { padding: 24px 22px; }
  .stack-group h5 { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); margin: 0 0 12px; font-weight: 500; }
  .stack-group ul { list-style: none; padding: 0; margin: 0; font-size: 0.94rem; }
  .stack-group li { padding: 4px 0; color: var(--text); }

  /* ---------- CTA ---------- */
  .cta { padding: 90px 0 100px; }
  .cta-panel {
    padding: 56px 48px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
  }
  .cta-panel::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(600px 260px at 90% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 65%);
    pointer-events: none;
  }
  @media (max-width: 640px) { .cta-panel { padding: 40px 26px; } }
  .cta-badge {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--pass);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 16px;
  }
  .cta-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    max-width: 18ch;
    margin: 0 0 22px;
    letter-spacing: -0.02em;
  }
  .cta-row { display: flex; gap: 44px; flex-wrap: wrap; margin-top: 38px; position: relative; }
  .cta-col p { margin: 2px 0; color: var(--text-muted); font-size: 0.95rem; }
  .cta-col a { text-decoration: none; color: var(--text); border-bottom: 1px solid var(--line); }
  .cta-col a:hover { color: var(--accent); border-color: var(--accent); }
  .cta-col h6 { font-family: var(--font-mono); font-size: 0.76rem; color: var(--pass); margin: 0 0 8px; font-weight: 500; }

  footer {
    border-top: 1px solid var(--line);
    padding: 28px 0;
    color: var(--text-muted);
    font-size: 0.82rem;
  }
  footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

  /* ---------- WhatsApp floating button ---------- */
  @media (prefers-reduced-motion: reduce) {
    * { transition: none !important; scroll-behavior: auto !important; animation: none !important; }
    .tilt-card { transform: none !important; }
  }
  .whatsapp-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: #fff;
    box-shadow: 0 12px 28px -10px hsl(258deg 20% 20% / 0.5);
    z-index: 60;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .whatsapp-fab::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    opacity: 0.55;
    animation: fab-pulse 2.6s ease-out infinite;
    z-index: -1;
  }
  .whatsapp-fab:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 16px 34px -10px hsl(258deg 20% 20% / 0.6);
  }
  @keyframes fab-pulse {
    0% { transform: scale(1); opacity: 0.45; }
    100% { transform: scale(1.6); opacity: 0; }
  }
  @media (max-width: 640px) {
    .whatsapp-fab { right: 16px; bottom: 34px; width: 52px; height: 52px; }
  }
  @media (prefers-reduced-motion: reduce) {
    .whatsapp-fab::before { animation: none; display: none; }
  }

  /* ---------- Nav mark as a link (click logo to scroll to top) ---------- */
  a.nav-mark {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
  }

  /* ---------- Portfolio / work preview ---------- */
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  @media (max-width: 800px) { .portfolio-grid { grid-template-columns: 1fr; } }
  .portfolio-grid .tilt-card:nth-child(1) { transition-delay: 0s; }
  .portfolio-grid .tilt-card:nth-child(2) { transition-delay: 0.1s; }
  .portfolio-grid .tilt-card:nth-child(3) { transition-delay: 0.2s; }
  .portfolio-card { overflow: hidden; }
  .portfolio-thumb {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--line);
  }
  .portfolio-thumb-1 { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, white), color-mix(in srgb, var(--accent-2) 25%, white)); }
  .portfolio-thumb-2 { background: linear-gradient(135deg, color-mix(in srgb, var(--accent-2) 22%, white), var(--bg-2)); }
  .portfolio-thumb-3 {
    background: var(--bg-2);
    border: 1px dashed var(--line);
    color: var(--accent);
  }

  :root[data-theme="dark"] .portfolio-thumb-1 { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 30%, var(--bg-2)), color-mix(in srgb, var(--accent-2) 30%, var(--bg-2))); }
  :root[data-theme="dark"] .portfolio-thumb-2 { background: linear-gradient(135deg, color-mix(in srgb, var(--accent-2) 32%, var(--bg-2)), var(--bg-2)); }
  .portfolio-body { padding: 22px 24px; }
  .portfolio-body h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin: 0 0 8px; }
  .portfolio-body p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

  /* ---------- Reviews / testimonials ---------- */
  .reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  @media (max-width: 800px) { .reviews-grid { grid-template-columns: 1fr; } }
  .reviews-grid .tilt-card:nth-child(1) { transition-delay: 0s; }
  .reviews-grid .tilt-card:nth-child(2) { transition-delay: 0.12s; }
  .review-card { padding: 30px 28px; }
  .review-quote {
    font-size: 1rem;
    color: var(--text);
    margin: 0 0 18px;
    font-style: italic;
  }
  .review-quote.placeholder { color: var(--text-muted); }
  .review-author { font-size: 0.86rem; color: var(--text-muted); font-family: var(--font-mono); }

  /* ---------- Work / case-study page ---------- */
  .work-hero { padding-top: 84px; padding-bottom: 24px; }
  .work-hero .section-note { max-width: 40ch; }

  .filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
  }
  .filter-chip {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
  }
  .filter-chip:hover { border-color: var(--accent); color: var(--text); }
  .filter-chip.is-active {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 16%, var(--panel));
    color: var(--accent-2);
  }
  .case-card.is-hidden { display: none; }

  .case-study { padding-top: 24px; }
  .case-card { padding: 38px; margin-bottom: 34px; }
  .case-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 22px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
  }
  .case-head h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.4rem;
    margin: 0 0 8px;
    letter-spacing: -0.01em;
  }
  .case-meta { color: var(--text-muted); font-size: 0.92rem; margin: 0; }
  .case-tag {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    padding: 7px 14px;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--accent);
    white-space: nowrap;
    height: fit-content;
  }
  .case-body p { color: var(--text-muted); font-size: 0.98rem; margin: 0 0 18px; max-width: 70ch; }
  .case-body ul { margin: 0 0 30px; padding-left: 22px; color: var(--text-muted); font-size: 0.96rem; }
  .case-body li { margin-bottom: 8px; }
  .case-body li::marker { color: var(--accent); }

  .case-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  @media (max-width: 720px) { .case-gallery { grid-template-columns: 1fr; } }
  .case-gallery figure {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-2);
  }
  .case-gallery figure.wide { grid-column: 1 / -1; }
  .case-gallery img {
    display: block;
    width: 100%;
    height: auto;
  }
  .case-gallery figcaption {
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    border-top: 1px solid var(--line);
  }

  .case-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
  }
  .case-links .founder-portfolio-btn { margin-top: 0; }
  .case-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    border-top: 1px solid var(--line);
    padding-top: 18px;
    margin: 0 !important;
  }

  .case-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    padding: 30px 0 60px;
  }
  .case-cta p { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; margin: 0; }