*,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    /* Brand fonts: Helvetica Neue Bold (system) for headlines, Martian Mono for body */
    :root {
      --font-display:
        "HelveticaNeue-Bold", "Helvetica Neue", "Arial Black", Helvetica,
        Arial, sans-serif;
      --font-mono: "Martian Mono", monospace;
      --white: #f9f9f9;
      --off: #f2f0eb;
      --black: #0a0a0a;
      --gray1: #1a1a1a;
      --gray2: #2a2a2a;
      --gray3: #555;
      --gray4: #888;
      --gray5: #ccc;
      --sky: #c8e6f5;
      --skydeep: #1a4a6e;
      --skymed: #5b9fc7;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--white);
      color: var(--black);
      font-family: "Martian Mono", monospace;
      overflow-x: hidden;
      cursor: none;
    }

    /* ─── CURSOR ─── */
    #cursor {
      position: fixed;
      width: 12px;
      height: 12px;
      pointer-events: none;
      z-index: 9999;
      transform: translate(-50%, -50%);
      transition:
        width 0.18s ease,
        height 0.18s ease,
        opacity 0.18s ease;
    }

    /* Inner filled dot */
    #cursor::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 50%;
      background: var(--black);
      box-shadow:
        0 0 0 1.5px var(--white),
        0 0 0 3px rgba(0,0,0,0.15);
      transition:
        transform 0.18s ease,
        background 0.18s ease,
        box-shadow 0.18s ease;
    }

    /* Outer ring */
    #cursor::after {
      content: '';
      position: absolute;
      inset: -10px;
      border-radius: 50%;
      border: 1.5px solid rgba(0,0,0,0.25);
      transition:
        inset 0.22s ease,
        border-color 0.22s ease,
        opacity 0.22s ease;
      opacity: 0;
    }

    #cursor.hover {
      width: 12px;
      height: 12px;
    }

    #cursor.hover::before {
      transform: scale(0.4);
      background: var(--black);
      box-shadow:
        0 0 0 1.5px var(--white),
        0 0 0 3px rgba(0,0,0,0.1);
    }

    #cursor.hover::after {
      inset: -16px;
      border: 1.5px solid rgba(0,0,0,0.5);
      opacity: 1;
    }

    /* ─── NAV ─── */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 200;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.4rem 4rem;
      transition:
        background 0.4s,
        border-color 0.4s;
    }

    nav.scrolled {
      background: rgba(248, 248, 246, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .nav-logo {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: 0.95rem;
      letter-spacing: -0.02em;
      color: var(--black);
    }

    .nav-logo span {
      font-family: "Martian Mono", monospace;
      font-weight: 300;
      font-size: 0.7rem;
      color: var(--gray4);
      letter-spacing: 0.04em;
      margin-left: 0.5rem;
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
      list-style: none;
    }

    .nav-links a {
      font-family: "Martian Mono", monospace;
      font-size: 0.65rem;
      text-decoration: none;
      color: var(--gray3);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: var(--black);
    }

    /* ─── FULL SCREEN SECTIONS ─── */
    .full {
      height: 100vh;
      height: calc(var(--vh, 1vh) * 100);
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    /* ─── SECTION LABELS ─── */
    .eyebrow {
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--gray4);
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1.2rem;
    }

    .eyebrow::before {
      content: "";
      display: block;
      width: 24px;
      height: 1px;
      background: var(--gray5);
    }

    .section-h {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: clamp(2.8rem, 5.5vw, 5.5rem);
      line-height: 1;
      letter-spacing: -0.03em;
      color: var(--black);
      margin-bottom: 1.4rem;
    }

    .section-h em {
      font-style: normal;
      color: var(--gray4);
      font-weight: 700;
    }

    .section-sub {
      font-family: "Martian Mono", monospace;
      font-size: 0.78rem;
      color: var(--gray3);
      max-width: 480px;
      line-height: 1.9;
    }

    /* ═══════════════════════════
   HERO
═══════════════════════════ */
    #hero {
      background: var(--white);
      padding: 0;
      align-items: stretch;
    }

    /* Arc rings removed from hero */
    .arc-ring,
    .arc-orbit-dot {
      display: none;
    }

    /* Nav bar */
    .hero-nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 3.5rem;
      padding: 1.8rem;
      z-index: 200;
      transition:
        padding 0.4s ease,
        background 0.4s ease,
        backdrop-filter 0.4s ease,
        border-color 0.4s ease,
        box-shadow 0.4s ease;
    }

    .hero-nav a {
      font-family: "Martian Mono", monospace;
      font-weight: 500;
      font-size: 0.7rem;
      text-decoration: none;
      color: var(--black);
      letter-spacing: 0.08em;
      transition:
        opacity 0.2s,
        color 0.3s;
    }

    .hero-nav a:hover {
      opacity: 0.4;
    }

    /* Scrolled state — becomes a header bar */
    .hero-nav.scrolled {
      padding: 1rem 3rem;
      background: rgba(249, 249, 249, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0, 0, 0, 0.07);
      box-shadow: 0 1px 24px rgba(0, 0, 0, 0.04);
      justify-content: center;
    }

    /* Center wordmark */
    .hero-center {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      flex: 1;
      text-align: center;
    }

    .hero-wordmark {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: clamp(4.5rem, 13vw, 13rem);
      line-height: 0.92;
      letter-spacing: -0.03em;
      color: var(--black);
      display: block;
    }

    .hero-tagline {
      font-family: "Martian Mono", monospace;
      font-weight: 500;
      font-size: clamp(0.9rem, 2vw, 1.5rem);
      letter-spacing: 0.01em;
      color: var(--black);
      margin-top: 0.6rem;
    }

    /* Keep stat/desc strip hidden — hero is just the wordmark */
    .hero-bottom {
      display: none;
    }

    .stat-num,
    .stat-lbl {
      display: none;
    }

    /* ═══════════════════════════
   ABOUT
═══════════════════════════ */
    #about {
      background: var(--white);
      overflow: hidden;
    }

    .about-inner {
      max-width: 100%;
      margin: 0;
      width: 100%;
      padding: 0;
      position: relative;
      height: 90vh;
      height: calc(var(--vh, 1vh) * 80);
      display: block;
    }

    .about-top {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: clamp(2.2rem, 4.5vw, 5rem);
      letter-spacing: -0.03em;
      color: var(--black);
      line-height: 1;
      position: absolute;
      top: 9%;
      left: 14%;
      transition:
        opacity 0.8s ease,
        transform 0.8s ease;
      max-width: 55vw;
    }

    .about-bottom {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: clamp(2.2rem, 4.5vw, 5rem);
      letter-spacing: -0.03em;
      color: var(--black);
      line-height: 1.1;
      text-align: right;
      position: absolute;
      bottom: 9%;
      right: 5%;
      max-width: 60vw;
      transition:
        opacity 0.8s ease 0.4s,
        transform 0.8s ease 0.4s;
    }

    .about-arc-svg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
    }

    /* ── About responsive ── */
    @media (max-width: 1024px) {
      .about-top {
        font-size: clamp(2rem, 5vw, 4rem);
        top: 10%;
        left: 8%;
        max-width: 50vw;
      }

      .about-bottom {
        font-size: clamp(2rem, 5vw, 4rem);
        bottom: 10%;
        right: 5%;
        max-width: 55vw;
      }
    }

    @media (max-width: 768px) {
      .about-top {
        font-size: clamp(1.6rem, 7vw, 3rem);
        top: 12%;
        left: 6%;
        max-width: 60vw;
      }

      .about-bottom {
        font-size: clamp(1.6rem, 7vw, 3rem);
        bottom: 10%;
        right: 4%;
        max-width: 65vw;
      }

      /* Tighten about section on mobile so arc curves properly */
      /* Tighten about section on mobile so arc curves properly */
      #about {
        min-height: unset;
      }

      .about-inner {
        height: 55vh;
        height: calc(var(--vh, 1vh) * 55);
      }

      .about-top {
        top: 8%;
        left: 5%;
        font-size: clamp(1.6rem, 7vw, 3rem);
        max-width: 60vw;
      }

      .about-bottom {
        bottom: 8%;
        right: 4%;
        font-size: clamp(1.6rem, 7vw, 3rem);
        max-width: 65vw;
      }
    }

    @media (max-width: 480px) {
      .about-inner {
        height: 50vh;
        height: calc(var(--vh, 1vh) * 50);
      }

      .about-top {
        font-size: clamp(1.4rem, 8vw, 2.4rem);
        top: 8%;
        left: 5%;
        max-width: 65vw;
      }

      .about-bottom {
        font-size: clamp(1.4rem, 8vw, 2.4rem);
        bottom: 8%;
        right: 3%;
        max-width: 72vw;
      }
    }

    /* remove old about decorators */
    .about-arc-decor,
    .about-arc-decor-2 {
      display: none;
    }

    .about-pull,
    .about-body-old {
      display: none;
    }

    /* ═══════════════════════════
   APP SUITE
═══════════════════════════ */
    #suite {
      background: var(--white);
      overflow: hidden;
    }

    .suite-inner {
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
      padding: 3rem 3rem 4rem;
      display: flex;
      flex-direction: column;
      height: 100vh;
      justify-content: flex-end;
      align-items: center;
      text-align: center;
    }

    .suite-inner .eyebrow {
      justify-content: center;
    }

    .suite-inner .section-h,
    .suite-inner .section-sub {
      text-align: center;
    }

    .suite-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      border: 1px solid rgba(0, 0, 0, 0.08);
      margin-top: 2rem;
      flex: 1;
      max-height: calc(100vh - 14rem);
    }

    .app-card {
      padding: 1.5rem 1.4rem 1.8rem;
      border-right: 1px solid rgba(0, 0, 0, 0.08);
      position: relative;
      overflow: hidden;
      transition: background 0.35s;
      display: flex;
      flex-direction: column;
    }

    .app-card:last-child {
      border-right: none;
    }

    .app-card:hover {
      background: var(--black);
    }

    .app-card:hover .app-name,
    .app-card:hover .app-desc {
      color: rgba(255, 255, 255, 0.85);
    }

    .app-card:hover .app-cat,
    .app-card:hover .app-soon {
      color: rgba(255, 255, 255, 0.3);
    }

    .app-card:hover .app-icon-wrap {
      border-color: rgba(255, 255, 255, 0.1);
    }

    .app-bar {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      transition: height 0.3s;
    }

    .app-card:hover .app-bar {
      height: 3px;
    }

    .app-icon-wrap {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.2rem;
      border: 1px solid rgba(0, 0, 0, 0.1);
      transition: border-color 0.35s;
    }

    .app-name {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: 0.95rem;
      color: var(--black);
      letter-spacing: -0.01em;
      margin-bottom: 0.15rem;
      transition: color 0.35s;
      text-align: left;
    }

    .app-cat {
      font-family: "Martian Mono", monospace;
      font-size: 0.52rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gray4);
      margin-bottom: 0.9rem;
      transition: color 0.35s;
      text-align: left;
    }

    .app-desc {
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      color: var(--gray3);
      line-height: 1.7;
      transition: color 0.35s;
      text-align: left;
    }

    .app-soon {
      display: block;
      margin-top: auto;
      padding: 0.3rem 0.75rem;
      margin-bottom: 0.8rem;
      font-family: "Martian Mono", monospace;
      font-size: 0.5rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--black);
      background: rgba(0, 0, 0, 0.06);
      border-radius: 100px;
      border: 1px solid rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: color 0.35s, background 0.35s, border-color 0.35s;
    }

    .app-card:hover .app-soon {
      color: var(--white);
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.2);
    }

    /* ═══════════════════════════
   VISION
═══════════════════════════ */
    #vision {
      background: #f9f9f9;
      overflow: hidden;
    }

    .vision-inner {
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
      padding: 3rem 3rem 4rem;
      display: flex;
      flex-direction: column;
      height: 100vh;
      justify-content: flex-end;
      align-items: center;
      text-align: center;
    }

    .vision-inner .eyebrow {
      justify-content: center;
    }

    .vision-inner .section-h,
    .vision-inner .section-sub {
      text-align: center;
    }

    .principles {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      margin-top: 2rem;
      flex: 1;
      max-height: calc(100vh - 14rem);
    }

    .principle-card {
      padding: 1.5rem 1.4rem 1.8rem;
      border-right: none;
      position: relative;
      overflow: hidden;
      transition: background 0.35s;
      display: flex;
      flex-direction: column;
    }

    .principle-card:last-child {
      border-right: none;
    }

    .principle-card:hover {
      background: var(--black);
    }

    .principle-card:hover .p-title,
    .principle-card:hover .p-body {
      color: rgba(255, 255, 255, 0.85);
    }

    .principle-card:hover .p-tag {
      color: rgba(255, 255, 255, 0.3);
    }

    .p-tag {
      font-family: "Martian Mono", monospace;
      font-size: 0.52rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gray4);
      margin-bottom: 0.9rem;
      transition: color 0.35s;
    }

    .p-title {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-size: 1.1rem;
      letter-spacing: -0.02em;
      color: var(--black);
      margin-bottom: 0.7rem;
      line-height: 1.15;
      transition: color 0.35s;
    }

    .p-body {
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      color: var(--gray3);
      line-height: 1.7;
      transition: color 0.35s;
    }

    /* ═══════════════════════════
   THE ARC INTRO
═══════════════════════════ */
    #arc-intro {
      background: var(--white);
      overflow: hidden;
    }

    #arc-intro .arc-inner {
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
      padding: 0 3rem;
      height: 100vh;
      height: calc(var(--vh, 1vh) * 100);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
    }

    #arc-intro .eyebrow {
      justify-content: center;
    }

    #arc-intro .section-sub {
      max-width: 560px;
    }

    /* ═══════════════════════════
   THE ARC
═══════════════════════════ */
    #arc {
      height: 500dvh;
      position: relative;
      scroll-snap-align: start;
      display: block;
      min-height: unset;
      background: transparent;
      overflow: visible;
    }

    .arc-sticky {
      position: sticky;
      top: 0;
      height: 100vh;
      height: calc(var(--vh, 1vh) * 100);
      width: 100%;
      overflow: hidden;
      display: flex;
      align-items: center;
      background: var(--white);
    }

    .arc-inner {
      max-width: 1400px;
      margin: 0 auto;
      width: 100%;
      padding: 3rem 5rem 5rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 0;
    }

    .arc-diagram-wrap {
      margin-top: 1rem;
      position: relative;
    }

    .arc-svg-wrap {
      width: 100%;
      overflow: visible;
      margin-bottom: -1px;
    }

    .arc-stages {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      margin: 0 calc(50 / 1400 * 100%);
    }

    .arc-stage {
      padding: 2.4rem 2rem 2.8rem;
      opacity: 0;
      transform: translateY(18px);
      transition:
        background 0.3s,
        opacity 0.6s ease,
        transform 0.6s ease;
    }

    .arc-stage.active {
      opacity: 1 !important;
      transform: translateY(0) !important;
    }

    .arc-dot {
      transition:
        fill 0.4s ease,
        stroke 0.4s ease;
    }

    .arc-dot.lit {
      fill: #0a0a0a !important;
      stroke: none !important;
    }

    .arc-stage:hover {
      background: var(--black);
    }

    .arc-stage:hover .arc-stage-n {
      color: rgba(255, 255, 255, 0.4);
    }

    .arc-stage:hover .arc-stage-title {
      color: rgba(255, 255, 255, 0.9);
    }

    .arc-stage:hover .arc-stage-body {
      color: rgba(255, 255, 255, 0.55);
    }

    .arc-stage-n {
      font-family: "Martian Mono", monospace;
      font-size: 0.58rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--gray4);
      margin-bottom: 0.8rem;
    }

    .arc-stage-title {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: 1.3rem;
      letter-spacing: -0.02em;
      color: var(--black);
      margin-bottom: 0.7rem;
      line-height: 1.15;
    }

    .arc-stage-body {
      font-family: "Martian Mono", monospace;
      font-size: 0.7rem;
      color: var(--gray3);
      line-height: 1.85;
    }

    /* ═══════════════════════════
   PHILOSOPHY
═══════════════════════════ */
    #philosophy {
      position: relative;
      overflow: hidden;
      background: var(--white);
      border-top: none;
      padding: 0 !important;
    }

    .philosophy-bg-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center 40%;
      pointer-events: none;
      -webkit-mask-image: linear-gradient(180deg,
          transparent 0%,
          black 18%,
          black 100%);
      mask-image: linear-gradient(180deg,
          transparent 0%,
          black 18%,
          black 100%);
    }

    .philosophy-inner {
      position: relative;
      z-index: 2;
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
      padding: 0 3rem;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
    }

    .philosophy-quote {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-size: clamp(2.2rem, 4.2vw, 4.4rem);
      letter-spacing: -0.03em;
      line-height: 1.08;
      color: var(--black);
      padding: 0;
      margin: 0;
      max-width: 780px;
    }

    .philosophy-quote em {
      font-style: normal;
      color: var(--gray4);
      font-weight: 700;
    }

    .phil-eyebrow {
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--gray4);
      margin-bottom: 1.4rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
    }

    .phil-eyebrow::before {
      content: "";
      display: block;
      width: 24px;
      height: 1px;
      background: var(--gray5);
    }

    .phil-attr {
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--gray4);
      margin-top: 1.6rem;
    }

    /* ── Philosophy responsive ── */
    @media (max-width: 1024px) {
      .philosophy-inner {
        padding: 0 2.5rem;
      }

      .philosophy-quote {
        font-size: clamp(2rem, 4vw, 3.8rem);
        max-width: 680px;
      }
    }

    @media (max-width: 768px) {
      .philosophy-inner {
        padding: 0 1.8rem;
      }

      .philosophy-quote {
        font-size: clamp(1.6rem, 5.5vw, 2.8rem);
        max-width: 100%;
        line-height: 1.15;
      }

      .phil-eyebrow {
        font-size: 0.55rem;
        margin-bottom: 1rem;
      }

      .phil-attr {
        font-size: 0.55rem;
        margin-top: 1.2rem;
      }
    }

    @media (max-width: 480px) {
      .philosophy-inner {
        padding: 0 1.2rem;
      }

      .philosophy-quote {
        font-size: clamp(1.4rem, 6.5vw, 2.2rem);
        line-height: 1.2;
        letter-spacing: -0.02em;
      }
    }

    /* ═══════════════════════════
   POSITIONING
═══════════════════════════ */
    #positioning {
      background: var(--white);
      border-top: 1px solid rgba(0, 0, 0, 0.06);
    }

    .pos-inner {
      max-width: 1100px;
      margin: 0 auto;
      width: 100%;
      padding: 0 4rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
      align-items: center;
    }

    .pos-table {
      border: 1px solid rgba(0, 0, 0, 0.08);
    }

    .pos-row {
      display: grid;
      grid-template-columns: 140px 1fr;
      border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    }

    .pos-row:last-child {
      border-bottom: none;
    }

    .pos-them {
      background: var(--black);
      padding: 1.6rem 1.2rem;
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      color: var(--gray4);
      letter-spacing: 0.06em;
      border-right: 1px solid rgba(0, 0, 0, 0.07);
      display: flex;
      align-items: center;
    }

    .pos-us {
      padding: 1.6rem 1.5rem;
      font-family: "Martian Mono", monospace;
      font-size: 0.67rem;
      color: var(--gray3);
      line-height: 1.65;
    }

    .pos-us strong {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      color: var(--black);
      display: block;
      margin-bottom: 0.2rem;
      font-size: 0.82rem;
    }

    /* ═══════════════════════════
   CLOSING
═══════════════════════════ */
    #closing {
      background: var(--white);
      border-top: none;
      text-align: center;
    }

    .closing-inner {
      max-width: 900px;
      margin: 0 auto;
      width: 100%;
      padding: 0 4rem;
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .closing-arc-svg {
      position: absolute;
      bottom: -40%;
      left: 50%;
      transform: translateX(-50%);
      width: 130%;
      opacity: 0.08;
      pointer-events: none;
    }

    .closing-h {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: clamp(3.5rem, 9vw, 9rem);
      letter-spacing: -0.03em;
      line-height: 0.95;
      color: var(--black);
      margin-bottom: 2rem;
    }

    .closing-h em {
      font-style: normal;
      color: rgba(0, 0, 0, 0.25);
    }

    .closing-sub {
      font-family: "Martian Mono", monospace;
      font-size: 0.72rem;
      color: rgba(0, 0, 0, 0.4);
      margin-bottom: 3rem;
    }

    .closing-grid {
      display: flex;
      gap: 5rem;
      font-family: "Martian Mono", monospace;
      font-size: 0.65rem;
      letter-spacing: 0.08em;
      justify-content: center;
      width: 100%;
    }

    .closing-col {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      align-items: center;
      text-align: center;
    }

    .closing-col-label {
      font-size: 0.58rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: rgba(0, 0, 0, 0.3);
      margin-bottom: 0.25rem;
      font-weight: 500;
    }

    .closing-col a {
      color: rgba(0, 0, 0, 0.55);
      text-decoration: none;
      border-bottom: 1px solid transparent;
      padding-bottom: 1px;
      transition: color 0.2s, border-color 0.2s;
    }

    .closing-col a:hover {
      color: var(--black);
      border-color: var(--black);
    }

    /* kept for backward compat */
    .closing-links {
      display: flex;
      justify-content: center;
      gap: 3rem;
      font-family: "Martian Mono", monospace;
      font-size: 0.6rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: rgba(0, 0, 0, 0.4);
    }

    .closing-links span {
      cursor: none;
      border-bottom: 1px solid transparent;
      padding-bottom: 2px;
      transition:
        border-color 0.2s,
        color 0.2s;
    }

    .closing-links span:hover {
      color: var(--black);
      border-color: var(--black);
    }

    /* ─── FOOTER ─── */
    footer {
      background: var(--white);
      border-top: none;
      padding: 1.8rem 4rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .f-logo {
      font-family: "Martian Mono", monospace;
      font-size: 0.58rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--gray4);
    }

    .f-links {
      display: flex;
      gap: 2rem;
      list-style: none;
    }

    .f-links a {
      font-family: "Martian Mono", monospace;
      font-size: 0.55rem;
      text-decoration: none;
      color: var(--gray4);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      transition: color 0.2s;
    }

    .f-links a:hover {
      color: var(--black);
    }

    /* ─── REVEAL ─── */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition:
        opacity 0.75s ease,
        transform 0.75s ease;
    }

    .reveal.in {
      opacity: 1;
      transform: translateY(0);
    }

    /* arc stages controlled by scroll JS */
    .d1 {
      transition-delay: 0.1s;
    }

    .d2 {
      transition-delay: 0.2s;
    }

    .d3 {
      transition-delay: 0.3s;
    }

    .d4 {
      transition-delay: 0.4s;
    }

    /* Scroll indicator */
    .scroll-hint {
      position: absolute;
      bottom: 2.5rem;
      left: 50%;
      transform: translateX(-50%);
      font-family: "Martian Mono", monospace;
      font-size: 0.56rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--gray4);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
      animation: fadeUpDown 2s ease-in-out infinite;
    }

    @keyframes fadeUpDown {

      0%,
      100% {
        opacity: 0.4;
        transform: translateX(-50%) translateY(0);
      }

      50% {
        opacity: 0.8;
        transform: translateX(-50%) translateY(-4px);
      }
    }

    /* ═══════════════════════════
   SCROLL SLIDER
═══════════════════════════ */
    .slider {
      position: relative;
      width: 100%;
      height: 400vh;
      /* More height = more scroll time per slide */
      background: #000;
    }

    .slider-sticky {
      position: sticky;
      top: 0;
      width: 100%;
      height: 100vh;
      overflow: hidden;
    }

    .slider-images {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      overflow: hidden;
    }

    .slider-images::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.35);
      z-index: 1;
      pointer-events: none;
    }

    .slider-images img {
      position: absolute;
      width: 100%;
      height: 100%;
      transform-origin: center;
      will-change: transform, opacity;
      object-fit: cover;
    }

    .slider-title {
      position: absolute;
      top: 50%;
      left: 4rem;
      transform: translateY(-50%);
      z-index: 10;
      color: #fff;
      pointer-events: none;
    }

    .slider-title h1 {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-size: clamp(2.5rem, 5vw, 5rem);
      line-height: 1.1;
      letter-spacing: -0.03em;
      color: #fff;
      margin: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 0 0.3em;
    }

    .slider-title .word {
      display: inline-block;
      opacity: 0;
      transform: translateY(100%);
      transition:
        opacity 0.5s ease,
        transform 0.5s ease;
    }

    .slider-title .word.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .slider-indicator {
      position: absolute;
      top: 50%;
      right: 4rem;
      transform: translateY(-50%);
      z-index: 10;
      pointer-events: none;
    }

    .slider-indices {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      padding: 1rem 1.25rem;
    }

    .slider-indices p {
      display: flex;
      align-items: center;
      gap: 1rem;
      color: #fff;
      font-family: "Martian Mono", monospace;
      font-size: 0.75rem;
      margin: 0;
    }

    .index {
      position: relative;
      width: 1.25rem;
      display: flex;
      justify-content: flex-end;
      will-change: opacity;
    }

    .marker {
      position: relative;
      width: 0.75rem;
      height: 1px;
      background-color: #fff;
      transform-origin: right;
      will-change: transform;
      transform: scaleX(0);
    }

    .slider-progress-bar {
      position: absolute;
      top: 0;
      right: 0;
      width: 1px;
      height: 100%;
      background-color: rgba(255, 255, 255, 0.35);
    }

    .slider-progress {
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%) scaleY(0);
      width: 3px;
      height: 100%;
      background-color: #fff;
      transform-origin: top;
      will-change: transform;
    }

    @media (max-width: 1000px) {
      .slider-title {
        left: 2rem;
      }

      .slider-indicator {
        right: 2rem;
      }
    }

    @media (max-width: 768px) {
      .slider-title {
        left: 1.5rem;
        right: 1.5rem;
      }

      .slider-indicator {
        display: none;
      }

      .slider-title h1 {
        font-size: clamp(1.8rem, 6vw, 3rem);
      }
    }

    /* ═══════════════════════════
   CONTACT FORM
═══════════════════════════ */
    .contact-section {
      width: 100%;
      padding: 0 4rem 4rem;
      background: #fff;
    }

    .contact-inner {
      max-width: 900px;
      margin: 0 auto;
      width: 100%;
    }

    .contact-split {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      border: 1px solid rgba(0, 0, 0, 0.08);
      border-radius: 12px;
      overflow: hidden;
      min-height: 540px;
    }

    .contact-left {
      background: var(--black);
      padding: 4rem 3rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--white);
    }

    .contact-h {
      font-family:
        "HelveticaNeue-Bold", "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-weight: 900;
      font-weight: 900;
      font-size: clamp(2rem, 3.5vw, 2.8rem);
      letter-spacing: -0.02em;
      margin-bottom: 2.5rem;
      line-height: 1.1;
    }

    .contact-icon {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .contact-right {
      background: var(--white);
      padding: 3.5rem 3.5rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 1.6rem;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }

    .form-group label {
      font-family: "Martian Mono", monospace;
      font-size: 0.52rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--gray4);
      margin-left: 2px;
    }

    .form-group input,
    .form-group textarea {
      font-family: "Martian Mono", monospace;
      font-size: 0.65rem;
      padding: 1.1rem 1.4rem;
      background: #f9f9f9;
      border: 1px solid rgba(0, 0, 0, 0.06);
      border-radius: 8px;
      color: var(--black);
      outline: none;
      transition:
        border-color 0.2s,
        background 0.2s,
        box-shadow 0.2s;
      resize: vertical;
    }

    .form-group input::placeholder,
    .form-group textarea::placeholder {
      color: var(--gray4);
    }

    .form-group input:focus,
    .form-group textarea:focus {
      border-color: rgba(0, 0, 0, 0.15);
      background: #fff;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    }

    .contact-submit {
      margin-top: 0.8rem;
      font-family: "Martian Mono", monospace;
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      padding: 1.4rem;
      background: var(--black);
      color: var(--white);
      border: none;
      border-radius: 8px;
      cursor: none;
      transition:
        opacity 0.2s,
        transform 0.2s;
    }

    .contact-submit:hover {
      opacity: 0.8;
      cursor: pointer;
    }

    .contact-submit:active {
      transform: scale(0.98);
    }

    /* ─── Contact responsive ─── */
    @media (max-width: 1024px) {
      .contact-split {
        grid-template-columns: 1fr;
      }

      .contact-left {
        padding: 3rem 2rem;
        min-height: 250px;
      }

      .contact-h {
        margin-bottom: 2rem;
      }

      .contact-icon svg {
        width: 80px;
        height: 80px;
      }

      .contact-right {
        padding: 3rem 3rem;
      }
    }

    @media (max-width: 768px) {
      .contact-section {
        padding: 0 1.5rem 3rem;
      }

      .contact-right {
        padding: 2.5rem 1.5rem;
      }
    }

    /* ─── HAMBURGER MENU ─── */
    .nav-hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 28px;
      height: 28px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 0;
      z-index: 300;
      position: fixed;
      top: 1.2rem;
      right: 1.4rem;
    }

    .nav-hamburger span {
      display: block;
      width: 100%;
      height: 1.5px;
      background: var(--black);
      transition:
        transform 0.3s ease,
        opacity 0.3s ease;
      transform-origin: center;
    }

    .nav-hamburger.open span:nth-child(1) {
      transform: translateY(6.5px) rotate(45deg);
    }

    .nav-hamburger.open span:nth-child(2) {
      opacity: 0;
    }

    .nav-hamburger.open span:nth-child(3) {
      transform: translateY(-6.5px) rotate(-45deg);
    }

    /* Mobile nav overlay */
    .mobile-nav-overlay {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 250;
      background: rgba(249, 249, 249, 0.98);
      backdrop-filter: blur(20px);
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2.5rem;
    }

    .mobile-nav-overlay.open {
      display: flex;
    }

    .mobile-nav-overlay a {
      font-family: "Martian Mono", monospace;
      font-size: 1rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--black);
      transition: opacity 0.2s;
    }

    .mobile-nav-overlay a:hover {
      opacity: 0.4;
    }

    /* ═══════════════════════════
   RESPONSIVE — MEDIUM (≤1024px)
═══════════════════════════ */
    @media (max-width: 1024px) {
      .suite-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .app-card:nth-child(4),
      .app-card:nth-child(5) {
        border-top: 1px solid rgba(0, 0, 0, 0.08);
      }

      .app-card:nth-child(3) {
        border-right: none;
      }

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

      .principle-card {
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
      }

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

      .arc-stage:nth-child(4),
      .arc-stage:nth-child(5) {
        display: none;
      }

      .pos-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 0 3rem;
      }

      footer {
        padding: 1.5rem 2rem;
      }
    }

    /* ═══════════════════════════
   RESPONSIVE — SMALL (≤768px)
═══════════════════════════ */
    @media (max-width: 768px) {

      /* Fix squishing on mobile */
      .full {
        height: auto;
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
      }

      /* Disable custom cursor on touch */
      body {
        cursor: auto;
      }

      #cursor {
        display: none;
      }

      /* Snap less aggressively on mobile */
      html {
        scroll-snap-type: none;
      }

      /* Nav — hide links, show hamburger */
      .hero-nav {
        display: none;
      }

      .nav-hamburger {
        display: flex;
      }

      /* Hero */
      .hero-wordmark {
        font-size: clamp(3.5rem, 18vw, 8rem);
      }

      .hero-tagline {
        font-size: clamp(0.8rem, 3.5vw, 1.1rem);
      }

      /* Arc intro */
      #arc-intro .arc-inner {
        padding: 0 1.5rem;
      }

      .section-sub {
        font-size: 0.72rem;
        max-width: 100%;
      }

      /* Arc section — simplified on mobile */
      .arc-inner {
        padding: 2rem 1.5rem 3rem;
      }

      .arc-stages {
        grid-template-columns: 1fr;
        position: relative;
        margin: 0;
      }

      .arc-stage {
        grid-column: 1;
        grid-row: 1;
        padding: 1.5rem 1rem;
        pointer-events: none;
      }

      .arc-stage.active {
        pointer-events: auto;
      }

      .arc-stage:nth-child(4),
      .arc-stage:nth-child(5) {
        display: block;
      }

      /* Philosophy — ensure it's fully visible and isolated */
      #philosophy {
        height: auto;
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
        position: relative;
        z-index: 1;
        overflow: hidden;
        padding: 5rem 0 !important;
      }

      .philosophy-inner {
        height: auto;
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
        padding: 0 1.8rem;
      }

      /* Suite */
      .suite-inner {
        padding: 2rem 1.2rem 3rem;
        height: auto;
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
      }

      .suite-grid {
        grid-template-columns: 1fr 1fr;
        max-height: none;
      }

      .app-card:nth-child(odd) {
        border-right: 1px solid rgba(0, 0, 0, 0.08);
      }

      .app-card:nth-child(even) {
        border-right: none;
      }

      .app-card {
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
      }

      /* Vision */
      .vision-inner {
        padding: 2rem 1.2rem 3rem;
        height: auto;
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
      }

      .principles {
        grid-template-columns: 1fr;
        max-height: none;
      }

      .principle-card {
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        border-right: none;
      }

      /* Positioning */
      .pos-inner {
        padding: 0 1.5rem;
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .pos-row {
        grid-template-columns: 110px 1fr;
      }

      .pos-them {
        font-size: 0.55rem;
        padding: 1.2rem 0.8rem;
      }

      .pos-us {
        padding: 1.2rem 1rem;
        font-size: 0.62rem;
      }

      /* Closing */
      .closing-inner {
        padding: 0 1.5rem;
      }

      .closing-h {
        font-size: clamp(2.5rem, 12vw, 5rem);
      }

      .closing-grid {
        flex-direction: column;
        gap: 2.5rem;
      }

      .closing-links {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
      }

      /* Section headings */
      .section-h {
        font-size: clamp(2rem, 8vw, 3.5rem);
      }

      /* Footer */
      footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1.5rem 1.5rem;
      }

      .f-links {
        gap: 1.2rem;
      }

      /* Scroll hint */
      .scroll-hint {
        bottom: 1.5rem;
      }
    }

    /* ═══════════════════════════
   RESPONSIVE — MOBILE (≤480px)
═══════════════════════════ */
    @media (max-width: 480px) {
      .hero-wordmark {
        font-size: clamp(3rem, 20vw, 5rem);
      }

      /* Suite — single column */
      .suite-grid {
        grid-template-columns: 1fr;
      }

      .app-card {
        border-right: none !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
      }

      /* Arc stages — handled by 768px block */

      /* Closing */
      .closing-links {
        gap: 1rem;
        font-size: 0.55rem;
      }

      /* Vision */
      .principles {
        grid-template-columns: 1fr;
      }

      .pos-row {
        grid-template-columns: 1fr;
      }

      .pos-them {
        border-right: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.07);
      }
    }

    .scroll-hint::after {
      content: "";
      display: block;
      width: 1px;
      height: 30px;
      background: var(--gray5);
    }