/* ─────────────────────────────── TOKENS (canonical palette – see HTML comment rule) */
    :root {
      --color-primary-dark:   #152558;
      --color-primary-medium: #183e7a;
      --color-accent-blue:    #0095db;
      --color-bg-light:       #eaf6fe;
      --color-accent-green:   #3ea372;
      --color-accent-pink:    #e82e82;
      --color-accent-purple:  #983082;
      --color-black:          #000000;
      --color-white:          #ffffff;

      --navy-deep:  var(--color-primary-dark);
      --navy-mid:   var(--color-primary-medium);
      --blue:       var(--color-accent-blue);
      --blue-light: var(--color-bg-light);
      --green:      var(--color-accent-green);
      --pink:       var(--color-accent-pink);
      --purple:     var(--color-accent-purple);
      --white:      var(--color-white);
      --black:      var(--color-black);

      --near-black: var(--color-black);
      --muted-d:    rgba(255,255,255,0.55);
      --muted-l:    rgba(0,0,0,0.62);
      --border-d:   rgba(255,255,255,0.09);
      --border-l:   rgba(21,37,88,0.12);
      --sans:       'Google Sans Flex', system-ui, sans-serif;
      --mono:       'JetBrains Mono', ui-monospace, monospace;
      --hero-display: 'Montserrat', system-ui, sans-serif;

      /*
        Section subhead (kicker) – mono uppercase; one fluid size sitewide.
        Use clamp() per MDN fluid typography guidance. Applies to .eyebrow,
        .system-section__sub, pod eyebrows, etc. Rule: .cursor/rules/datafields-section-subhead.mdc
      */
      --section-sub-font-size: clamp(12px, 0.5vw + 10.5px, 13px);
      --section-sub-letter-spacing: 0.2em;
      --section-sub-font-weight: 700;
      --body-font-size: 18px;
      --eyebrow-font-size: var(--section-sub-font-size);
      --eyebrow-letter-spacing: var(--section-sub-letter-spacing);

      /*
        Layout gutter: first content edge in the nav (page padding + nav inner padding)
        matches the hero column edge. Hero copy inset indents headline / body / CTAs together.
        (Same idea as Tailwind: container + consistent px – see tailwindcss.com/docs/max-width.)
      */
      --layout-page-edge: 40px;
      --layout-nav-inset: 36px;
      --layout-gutter: calc(var(--layout-page-edge) + var(--layout-nav-inset));
      --hero-copy-inset: 48px;
      --content-max: 1280px;

      /* Ecosystem puzzle (scroll-scrubbed) – sticky offset below fixed header */
      --eco-puzzle-sticky-top: 104px;

      /* Narrative section headlines (why-now, ecosystem copy, system intro) */
      --section-headline-size: clamp(26px, 3.2vw, 42px);
      --section-headline-size-sm: clamp(22px, 2.6vw, 36px);

      --r: 32px;
      --radius-brand: 32px;
    }

    .brand-shape          { border-radius: var(--radius-brand) 0 var(--radius-brand) 0; }
    .brand-shape--mirrored{ border-radius: 0 var(--radius-brand) 0 var(--radius-brand); }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    /* iOS/touch: native momentum scroll – smooth conflicts with ScrollTrigger scrub */
    @media (hover: none) and (pointer: coarse) {
      html { scroll-behavior: auto; }
    }
    body {
      font-family: var(--sans);
      line-height: 1.6;
      color: var(--near-black);
      background: var(--white);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      touch-action: pan-y;
    }
    a { text-decoration: none; color: inherit; }
    img { display: block; max-width: 100%; }







    /* ─────────────────────────────── Experimental */


#scalable .system-feature-band__points {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: clamp(10px, 1.5vw, 14px);
  max-width: min(44ch, 100%);
}
#scalable .system-feature-point {
  padding: 10px 0 10px max(14px, env(safe-area-inset-left, 0px));
  border-left: 2px solid rgba(0, 149, 219, 0.45);
}
#scalable .system-feature-point__title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--navy-deep);
  margin: 0 0 8px;
}
#scalable .system-feature-point__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted-l);
  margin: 0;
}



    /* ─────────────────────────────── HEADER + NAV */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 200;
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 28px 48px 0 var(--layout-page-edge);
      pointer-events: none;
      transition: padding 0.32s cubic-bezier(0.4,0,0.2,1);
    }
    .site-header > * { pointer-events: auto; }

    .site-header.header--scrolled {
      padding-top: 0;
      padding-left: 0;
      padding-right: 0;
    }
    @media (min-width: 851px) {
      .site-header.header--scrolled {
        padding-right: 48px;
      }
    }
    .site-header.header--scrolled .nav-bar {
      background: var(--navy-deep);
      border-bottom-right-radius: 48px;
      box-shadow: 0 4px 24px rgba(0,0,0,.32);
    }

    .nav-bar {
      flex: 1;
      min-width: 0;
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 44px 0 var(--layout-nav-inset);
      background: var(--navy-deep);
      border-bottom-right-radius: 48px;
      box-shadow: 0 8px 40px rgba(0,0,0,.28);
      transition: background 0.32s ease, box-shadow 0.32s ease, border-radius 0.32s ease;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 13px;
    }
    .logo-mark { height: 36px; width: auto; display: block; flex-shrink: 0; }
    .logo-wordmark {
      font-size: 16px;
      font-weight: 800;
      letter-spacing: 0.14em;
      color: var(--white);
      text-transform: uppercase;
    }
    .logo-wordmark em { font-style: normal; font-weight: 300; }

    .nav-links { display: flex; gap: 36px; list-style: none; }
    .nav-links a {
      font-family: var(--sans);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: rgba(255,255,255,.75);
      transition: color .2s;
    }
    .nav-links a:hover { color: var(--white); }
    .nav-links a[aria-current="page"] {
      font-weight: 800;
      color: var(--white);
    }

    .nav-menu-btn {
      display: none;
      flex-shrink: 0;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      padding: 0;
      margin-left: auto;
      border: none;
      border-radius: 0;
      background: transparent;
      color: var(--white);
      cursor: pointer;
      transition: background .2s, opacity .2s;
      -webkit-tap-highlight-color: transparent;
    }
    .nav-menu-btn:hover,
    .nav-menu-btn:focus-visible {
      background: rgba(255,255,255,.08);
    }
    .nav-menu-btn:focus-visible {
      outline: 2px solid rgba(255,255,255,.45);
      outline-offset: 3px;
    }
    .nav-menu-btn svg {
      width: 22px;
      height: 22px;
    }
    .nav-menu-btn .nav-icon-close {
      display: none;
    }
    .site-header.nav-open .nav-menu-btn .nav-icon-open {
      display: none;
    }
    .site-header.nav-open .nav-menu-btn .nav-icon-close {
      display: block;
    }




    /* ─────────────────────────────── BUTTONS */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 15px 30px;
      font-family: var(--mono);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      border: none;
      cursor: pointer;
      text-decoration: none;
      transition: background .2s, color .2s, transform .15s, box-shadow .2s, border-color .2s;
      border-radius: var(--r) 0 var(--r) 0;
      -webkit-font-smoothing: antialiased;
    }
    .btn svg { width: 13px; height: 13px; flex-shrink: 0; }

    .btn-blue {
      background: var(--blue);
      color: var(--white);
      box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.18);
    }
    .btn-blue:hover {
      background: color-mix(in srgb, var(--blue) 82%, var(--black));
      transform: translateY(-2px);
      box-shadow:
        4px 6px 14px rgba(0, 0, 0, 0.2),
        0 10px 26px rgba(0, 149, 219, 0.26);
    }

    .btn-green {
      background: var(--green);
      color: var(--white);
      box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.18);
    }
    .btn-green:hover {
      background: color-mix(in srgb, var(--green) 85%, var(--black));
      transform: translateY(-2px);
      box-shadow:
        4px 6px 14px rgba(0, 0, 0, 0.2),
        0 10px 26px rgba(62, 163, 114, 0.26);
    }

    .btn-ghost-dark {
      background: transparent;
      color: rgba(255,255,255,.75);
      border: 1px solid rgba(255,255,255,.22);
      box-shadow: 2px 3px 10px rgba(0, 0, 0, 0.12);
    }
    .btn-ghost-dark:hover {
      background: rgba(255,255,255,.07);
      color: var(--white);
      box-shadow: 3px 5px 14px rgba(0, 0, 0, 0.16);
    }

    .btn-ghost-light {
      background: transparent;
      color: var(--navy-deep);
      border: 1px solid rgba(21,37,88,.28);
      box-shadow: 2px 3px 10px rgba(21, 37, 88, 0.06);
    }
    .btn-ghost-light:hover {
      background: rgba(21,37,88,.06);
      box-shadow: 3px 5px 14px rgba(21, 37, 88, 0.1);
    }

    /* ─────────────────────────────── EYEBROW */
    .eyebrow {
      font-family: var(--mono);
      font-size: var(--eyebrow-font-size);
      font-weight: var(--section-sub-font-weight);
      letter-spacing: var(--eyebrow-letter-spacing);
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .eyebrow-blue { color: var(--blue); }
    .eyebrow-dark { color: var(--navy-mid); opacity: .7; }

    /* ─────────────────────────────── REVEAL */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity .7s ease, transform .7s ease;
    }
    .reveal.visible { opacity: 1; transform: none; }
    /* Puzzle section: bypass reveal fade – GSAP owns opacity/transform on child pieces */
    #ecosystem-intro.reveal { opacity: 1; transform: none; transition: none; }

    /* ════════════════════════════════ HERO */
    #hero {
      min-height: 100vh;
      min-height: 100dvh;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      /* Solid navy backstop: prevents the body #fff from flashing through behind
         the absolute .hero-media layer during scroll / compositor repaints. */
      background: var(--navy-deep);
    }

    .hero-media {
      position: absolute;
      inset: 0;
      z-index: 0;
      overflow: hidden;
      background: var(--navy-deep);
    }

    .hero-media video {
      position: absolute;
      left: 50%;
      top: 50%;
      width: 100%;
      height: 100%;
      transform: translate(-50%, -50%);
      object-fit: cover;
      object-position: center;
      pointer-events: none;
      opacity: 0.72;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(
        180deg,
        rgba(21,37,88,0.18) 0%,
        rgba(21,37,88,0.06) 42%,
        rgba(8,10,18,0.35) 100%
      );
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: clamp(80px, 12vh, 140px) var(--layout-gutter) clamp(36px, 5vh, 48px);
      max-width: min(820px, 100%);
    }

    .hero-text-band {
      container-type: inline-size;
      min-width: 0;
      max-width: 100%;
      background: linear-gradient(
        90deg,
        rgba(21,37,88,0.82) 0%,
        rgba(21,37,88,0.48) 52%,
        rgba(21,37,88,0.12) 78%,
        rgba(21,37,88,0) 100%
      );
      padding: 36px 56px 40px var(--hero-copy-inset);
      margin-bottom: 28px;
      max-width: 100%;
    }

    #hero h1.hero-title {
      font-family: var(--hero-display);
      font-size: clamp(13px, 12px + 2.8vw, 60px);
      line-height: 1.12;
      letter-spacing: clamp(0.02em, 0.01em + 0.12vw, 0.04em);
      color: #ffffff;

      margin: 0;
      font-variant-numeric: tabular-nums;
      font-weight: 800;
      max-width: 100%;
    }

    @supports (font-size: 1cqi) {
      #hero h1.hero-title {
        font-size: clamp(13px, 8.1cqi, 60px);
      }
    }

    .hero-title-line {
      display: block;
      white-space: nowrap;
      font-weight: 800;
      font-family: var(--sans);


    }

    .hero-title-line + .hero-title-line {
      margin-top: 0.06em;
    }

    .hero-title-strong {
      font-weight: 800;
      color: #ffffff;
      font-family: var(--sans);

    }

    .hero-lede {
      color: var(--white);
      padding: 0.75rem 0 0;
      margin: 0;
      font-size: var(--body-font-size);
      line-height: 1.45;
    }

    .hero-lede-wbr {
      display: none;
    }

    /* S.S.S. tagline — white, no box, one line (scale-to-fit in mockup-1.js) */
    #hero .hero-text-band .hero-tagline {
      font-family: var(--sans);
      font-weight: 500;
      text-transform: uppercase;
      margin: 12px 0 0;
      padding: 0;
      background: none !important;
      border: none !important;
      color: #ffffff !important;
      display: block;
      width: 100%;
      max-width: 100%;
      min-width: 0;
      box-sizing: border-box;
      overflow: hidden;
    }

    #hero .hero-text-band .hero-tagline-text {
      display: inline-block;
      white-space: nowrap;
      color: #ffffff !important;
      -webkit-text-fill-color: #ffffff;
      font-size: clamp(14px, 3.5vw, 18px);
      letter-spacing: 0.05em;
      line-height: 1.2;
      transform-origin: left center;
    }

    @media (min-width: 1024px) {
      #hero .hero-text-band .hero-tagline {
        margin-top: 16px;
      }

      #hero .hero-text-band .hero-tagline-text {
        font-size: clamp(17px, 1.35vw, 22px);
        letter-spacing: 0.06em;
      }

      .hero-lede-wbr--centers {
        display: contents;
      }
    }

    .hero-body {
      font-size: var(--body-font-size);
      line-height: 1.8;
      color: rgba(255,255,255,.58);
      max-width: 560px;
      margin-left: var(--hero-copy-inset);
      margin-bottom: 44px;
    }

    .hero-btns {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      width: min(520px, 100%);
      max-width: 100%;
      box-sizing: border-box;
      align-items: stretch;
      margin-left: 0;
    }

    .hero-btns .btn {
      justify-content: center;
      text-align: center;
      white-space: normal;
      line-height: 1.35;
      min-width: 0;
      overflow: hidden;
    }

    /* Prevent sharp-corner paint bleed at hero bottom (brand radius: TL/BR only) */
    #hero .hero-btns .btn-blue {
      border-radius: var(--r) 0 var(--r) 1px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    }

    #hero .hero-btns .btn-blue:hover {
      box-shadow:
        0 6px 14px rgba(0, 0, 0, 0.2),
        0 10px 26px rgba(0, 149, 219, 0.26);
    }

    #hero .hero-btns .btn-ghost-dark {
      border-radius: var(--r) 0 var(--r) 1px;
    }

    /* hero – client logo marquee */
    .hero-clients {
      position: relative;
      z-index: 2;
      padding: 16px 0 20px;
      background: linear-gradient(
        180deg,
        rgba(21,37,88,0.28) 0%,
        rgba(21,37,88,0.5) 100%
      );
      overflow: hidden;
    }

    .hero-clients-label {
      font-family: var(--mono);
      font-size: 8px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: rgba(255,255,255,.38);
      text-align: center;
      margin: 0 0 14px;
      padding: 0 20px;
    }

    .hero-clients-marquee {
      -webkit-mask-image: linear-gradient(
        90deg,
        transparent 0%,
        #000 10%,
        #000 90%,
        transparent 100%
      );
      mask-image: linear-gradient(
        90deg,
        transparent 0%,
        #000 10%,
        #000 90%,
        transparent 100%
      );
    }

    .hero-clients-track {
      display: flex;
      width: max-content;
      animation: hero-clients-scroll var(--hero-marquee-duration, 42s) linear infinite;
    }

    .hero-clients-set {
      display: flex;
      align-items: center;
      gap: clamp(32px, 5vw, 72px);
      padding: 4px 36px 4px 0;
      flex-shrink: 0;
    }

    .hero-clients-logo {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--sans);
      font-size: clamp(11px, 1.35vw, 15px);
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: rgba(255,255,255,.72);
      white-space: nowrap;
      transition: color .2s, opacity .2s;
      opacity: 0.85;
    }
    .hero-clients-logo:hover {
      color: var(--white);
      opacity: 1;
    }

    .hero-clients-logo .accent {
      color: var(--blue);
      font-weight: 500;
      letter-spacing: 0.18em;
      margin-left: 0.15em;
    }

    @keyframes hero-clients-scroll {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }

    /* ════════════════════════════════ ECOSYSTEM INTRO
       Two-column stage: copy on left, puzzle on right. */
    #ecosystem-intro {
      background: var(--white);
      padding: 0;
      position: relative;
      overflow-x: clip;
    }

    .eco-viewport {
      min-height: 100vh;
      display: grid;
      grid-template-columns: minmax(0, min(48ch, 100%)) minmax(0, 1fr);
      justify-content: stretch;
      align-items: start;
      box-sizing: border-box;
      width: 100%;
      max-width: none;
      margin-inline: 0;
      padding: calc(var(--eco-puzzle-sticky-top) + 12px) var(--layout-gutter) clamp(56px, 9vh, 88px);
      gap: clamp(40px, 4.5vw, 72px);
    }

    .eco-copy {
      max-width: 48ch;
      text-align: left;
      align-self: start;
      justify-self: start;
      padding-top: clamp(24px, 4vh, 48px);
    }

    .eco-copy .eyebrow,
    .why-header .eyebrow {
      font-family: var(--mono);
      font-size: var(--eyebrow-font-size);
      font-weight: var(--section-sub-font-weight);
      letter-spacing: var(--eyebrow-letter-spacing);
      text-transform: uppercase;
      line-height: 1.45;
    }

    .eco-copy h2,
    .eco-copy h2 .eco-h2-strong {
      font-family: var(--sans);
      font-size: var(--section-headline-size);
      font-weight: 600;
      line-height: 1.08;
      letter-spacing: -0.025em;
      color: var(--navy-deep);
      margin-bottom: clamp(22px, 2.5vw, 28px);
      text-transform: none;
    }

    .eco-copy p:not(.eyebrow) {
      font-size: var(--body-font-size);
      line-height: 1.8;
      color: var(--color-primary-dark);
      margin-bottom: 14px;
    }

    .eco-copy p:not(.eyebrow):last-of-type {
      margin-bottom: 0;
    }

    .eco-puzzle-stage {
      display: flex;
      align-items: flex-start;
      justify-content: center;
      justify-self: stretch;
      width: 100%;
      max-width: 100%;
      min-width: 0;
      overflow: visible;
      container-type: inline-size;
      container-name: eco-puzzle;
      --eco-puzzle-shift: 0px;
    }

    /* Puzzle block – parent #eco-puzzle-pin is pinned during scrub (no sticky needed) */
    .eco-puzzle-sticky {
      position: relative;
      top: auto;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      width: 100%;
      max-width: 100%;
      padding: 0;
    }

    .eco-puzzle-layout {
      --eco-puzzle-canvas: clamp(130px, 46cqw, 400px);
      --eco-puzzle-fit: 1;
      display: grid;
      grid-template-areas:
        ".    top    ."
        "left puzzle right"
        ".    bottom .";
      grid-template-columns:
        minmax(0, 1fr)
        var(--eco-puzzle-canvas)
        minmax(0, 1fr);
      grid-template-rows: auto auto auto;
      align-items: center;
      column-gap: clamp(4px, 1.6cqw, 12px);
      row-gap: clamp(6px, 2.2cqw, 12px);
      width: max-content;
      max-width: 100%;
      margin-inline: auto;
      transform: translateX(var(--eco-puzzle-shift, 0px)) scale(var(--eco-puzzle-fit, 1));
      transform-origin: top center;
    }

    .eco-puzzle-canvas-wrap {
      grid-area: puzzle;
      width: 100%;
      position: relative;
    }

    #eco-psvg {
      width: 100%;
      overflow: visible;
    }

    .eco-pp {
      fill: transparent;
      stroke: var(--border-l);
      stroke-width: 1.5;
      stroke-linejoin: round;
      stroke-linecap: round;
      vector-effect: non-scaling-stroke;
      /* transition intentionally removed: GSAP scrub drives fill; CSS transition fights it and causes snap */
    }

    #eco-pp-center {
      stroke: rgba(255, 255, 255, 0.22);
      fill: rgba(33,56,112, 1);
      filter: none;
    }

    #eco-pp-top {
      stroke: #0FA58E;
      fill: rgba(15, 165, 142, 0.12);
    }

    #eco-pp-right {
      stroke: #FF4A44;
      fill: rgba(255, 74, 68, 0.08);
    }

    #eco-pp-bottom {
      stroke: #0A5E8A;
      fill: rgba(10, 94, 138, 0.08);
    }

    #eco-pp-left {
      stroke: #0B74E8;
      fill: rgba(11, 116, 232, 0.08);
    }

    .eco-plabel {
      padding: 0.5rem 0;
      text-align: center;
    }
    #eco-pl-left.eco-plabel,
    #eco-pl-right.eco-plabel {
      padding-top: 0;
      padding-bottom: 0.5rem;
    }

    #eco-pl-left.eco-plabel {
      text-align: right;
      align-items: flex-end;
    }

    #eco-pl-right.eco-plabel {
      text-align: left;
      align-items: flex-start;
    }

    #eco-pl-top {
      grid-area: top;
      justify-self: center;
      width: 100%;
      max-width: var(--eco-puzzle-canvas);
      padding-bottom: 0.15rem;
    }
    #eco-pl-bottom {
      grid-area: bottom;
      justify-self: center;
      width: 100%;
      max-width: var(--eco-puzzle-canvas);
      padding-top: 0.15rem;
    }
    #eco-pl-left,
    #eco-pl-right {
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      align-self: center;
      min-height: 0;
      min-width: 0;
      width: 100%;
      padding-top: 0;
      padding-bottom: 0;
    }
    #eco-pl-left {
      grid-area: left;
      justify-self: end;
      align-items: flex-end;
      text-align: right;
      padding-right: clamp(2px, 0.8cqw, 8px);
      max-width: 100%;
      box-sizing: border-box;
    }
    #eco-pl-right {
      grid-area: right;
      justify-self: start;
      align-items: flex-start;
      text-align: left;
      padding-left: clamp(2px, 0.8cqw, 8px);
      max-width: 100%;
      box-sizing: border-box;
    }
    #eco-pl-left .eco-pl-tag,
    #eco-pl-right .eco-pl-tag {
      margin-top: 0;
      min-height: 1.15em;
      line-height: 1.15;
      max-width: 100%;
      white-space: normal;
      text-wrap: balance;
    }

    #eco-pl-left .eco-pl-tag,
    #eco-pl-left .eco-pl-sub {
      text-align: right;
      align-self: flex-end;
    }

    #eco-pl-right .eco-pl-tag,
    #eco-pl-right .eco-pl-sub {
      text-align: left;
      align-self: flex-start;
    }

    .eco-pl-tag {
      font-family: var(--mono);
      font-size: clamp(0.55rem, 2.5cqw, 0.8rem);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      margin-bottom: 0.35rem;
      line-height: 1.25;
    }

    #eco-pl-top .eco-pl-tag,
    #eco-pl-bottom .eco-pl-tag,
    #eco-pl-left .eco-pl-tag,
    #eco-pl-right .eco-pl-tag {
      margin-bottom: 0.25rem;
    }

    .eco-pl-tag.eco-pl-tag--green {
      font-weight: 600;
      color: #0FA58E;
      white-space: nowrap;
    }

    .eco-pl-tag.eco-pl-tag--cyan {
      color: #0B74E8;
      font-weight: 600;
    }

    .eco-pl-tag.eco-pl-tag--navy {
      color: var(--navy-deep);
      font-weight: 600;
    }

    .eco-pl-tag.eco-pl-tag--accent {
      color: #FF4A44;
      font-weight: 600;
    }

    .eco-pl-tag.eco-pl-tag--pink {
      color: #0A5E8A;
      font-weight: 600;
    }

    .eco-pl-name {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--navy-deep);
      letter-spacing: -0.01em;
      line-height: 1.25;
      margin-bottom: 0.15rem;
    }

    .eco-pl-sub {
      font-size: clamp(0.5rem, 2.1cqw, 0.76rem);
      font-weight: 400;
      color: var(--muted-l);
      line-height: 1.35;
      text-wrap: balance;
    }

    /* Side-by-side layout: puzzle right-aligned in column (from 1024px up) */
    @media (min-width: 1024px) {
      .eco-viewport {
        min-height: 100dvh;
        width: 100%;
        max-width: var(--content-max, 1280px);
        margin-inline: auto;
        box-sizing: border-box;
      }

      .eco-copy {
        padding-top: 0;
      }

      .eco-puzzle-stage {
        padding-top: calc(var(--eyebrow-font-size) * 1.45 + 30px);
        align-self: start;
        justify-self: stretch;
        justify-content: center;
        margin-left: 0;
        margin-right: 0;
        --eco-puzzle-shift: 0px;
      }

      .eco-viewport {
        grid-template-columns: minmax(0, min(44ch, 100%)) minmax(0, 1fr);
        align-items: start;
        gap: clamp(20px, 2.5vw, 40px);
      }

      .eco-puzzle-layout {
        --eco-puzzle-canvas: clamp(150px, 36cqw, 400px);
        --eco-puzzle-fit: 1;
        transform: translateX(0) scale(1);
      }

      #eco-pl-top {
        padding-top: 0;
        padding-bottom: 0;
        margin-top: 0;
      }

      /* Powered Land + Heat: vertically centred beside puzzle; equal min-height keeps tags aligned */
      #eco-pl-left,
      #eco-pl-right {
        align-self: center;
        justify-content: flex-start;
      }

    }

    .eco-puzzle-spacer {
      display: none;
    }

    /* Mobile label list – hidden on desktop, shown below puzzle on ≤850px */
    .eco-labels-mobile {
      display: none;
    }

    /* Desktop-only puzzle labels – shown by default, hidden on ≤850px */
    .eco-plabel--desktop {
      /* inherits .eco-plabel styles; no override needed on desktop */
    }

    /* ════════════════════════════════ ECOSYSTEM EXPANDED */
    #ecosystem-expanded {
      display: none;
      background: linear-gradient(135deg, #152558 0%, #183e7a 100%);
      padding: 80px var(--layout-gutter);
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    #ecosystem-expanded.open {
      display: grid;
    }

    .eco-exp-img img {
      width: 100%;
      border-radius: 4px;
      opacity: .85;
    }

    .eco-exp-copy .eyebrow {
      color: rgba(255,255,255,.4);
      margin-bottom: 20px;
    }

    .eco-exp-copy h3 {
      font-size: clamp(22px, 2.8vw, 38px);
      font-weight: 800;
      color: var(--white);
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

    .eco-exp-copy p {
      font-size: var(--body-font-size);
      line-height: 1.85;
      color: var(--muted-d);
      margin-bottom: 14px;
    }

    /* ════════════════════════════════ WHY NOW / STATS */
    #why-now {
      --muted-d: rgba(255, 255, 255, 0.75);
      background: linear-gradient(135deg, #152558 0%, #183e7a 100%);
      padding: 80px var(--layout-gutter);
      border-top: 1px solid var(--border-d);
    }

    .why-header {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: start;
      margin-bottom: 64px;
    }

    .why-header--follow {
      margin-bottom: 0;
      margin-top: clamp(56px, 7vw, 80px);
    }

    .why-header h2,
    .why-header h2 .why-h2-em {
      font-family: var(--sans);
      font-size: var(--section-headline-size);
      font-weight: 600;
      line-height: 1.08;
      letter-spacing: -0.025em;
      color: var(--white);
    }

    .why-header p:not(.eyebrow) {
      font-size: var(--body-font-size);
      line-height: 1.8;
      color: var(--muted-d);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--border-d);
      align-items: stretch;
    }

    .stat-block {
      display: flex;
      flex-direction: column;
      height: 100%;
      box-sizing: border-box;
      background: rgba(24, 62, 122, 0.18);
      padding: 48px 40px;
      position: relative;
    }

    .stat-block::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--blue);
      opacity: 0.6;
    }

    .stat-val {
      font-family: var(--sans);
      font-size: clamp(36px, 5vw, 60px);
      font-weight: 500;
      color: var(--white);
      letter-spacing: -0.03em;
      line-height: 1;
      margin-bottom: 12px;
    }

    .stat-desc {
      font-size: 13.5px;
      line-height: 1.7;
      color: var(--muted-d);
      flex: 1 1 auto;
    }

    .stat-source {
      margin-top: 28px;
      flex-shrink: 0;
      font-family: var(--mono);
      font-size: 9px;
      letter-spacing: 0.14em;
      color: rgba(255,255,255,.2);
      text-transform: uppercase;
    }

    /* ════════════════════════════════ SOVEREIGN */
    #sovereign {
      padding: clamp(80px, 12vh, 140px) var(--layout-gutter);
      background: var(--white);
      min-height: 100vh;
    }

    .sovereign-inner {
      max-width: var(--content-max);
      margin: 0 auto;
    }

    .sovereign-body {
      font-size: var(--body-font-size);
      line-height: 1.8;
      color: var(--muted-l);
      margin: 0 0 40px;
      max-width: 640px;
    }

    .sovereign-band {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 20px 24px;
      padding: 26px 28px;
      align-items: start;
      background: var(--white);
    }

    .sovereign-band:not(:last-child) {
      border-bottom: 1px solid var(--border-l);
    }

    .sovereign-band:nth-child(even) {
      background: rgba(234, 246, 254, 0.45);
    }

    .sovereign-band__ic {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--blue);
      flex-shrink: 0;
      background: none;
      border: none;
      padding: 0;
    }

    .sovereign-band__ic svg {
      width: 28px;
      height: 28px;
      overflow: visible;
    }

    .sovereign-band__title {
      font-size: 14px;
      font-weight: 700;
      letter-spacing: -0.015em;
      color: var(--navy-deep);
      margin: 0 0 8px;
    }

    .sovereign-band__body {
      font-size: 13px;
      line-height: 1.65;
      color: var(--muted-l);
      margin: 0;
    }

    @media (max-width: 560px) {
      .sovereign-band {
        grid-template-columns: 1fr;
      }
    }

    .principle-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: start;
    }

    .principle-left h2 {
      font-size: clamp(52px, 8vw, 110px);
      font-weight: 800;
      line-height: 0.92;
      letter-spacing: -0.04em;
      color: var(--navy-deep);
      margin-bottom: 28px;
    }

    .principle-left .principle-sub {
      font-size: var(--body-font-size);
      line-height: 1.8;
      color: var(--muted-l);
      margin-bottom: 14px;
      max-width: 440px;
    }

    .principle-right {
      padding-top: 16px;
    }

    .principle-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: var(--border-l);
    }

    .principle-card {
      background: var(--white);
      padding: 32px 28px;
      transition: background .2s;
      opacity: 0.6;
    }
    .principle-card:hover { background: var(--blue-light); }

    .principle-card h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--navy-deep);
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }
    .principle-card p {
      font-size: 13px;
      line-height: 1.75;
      color: var(--muted-l);
    }

    .principle-card-icon {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      margin-bottom: 16px;
    }
    .principle-card-icon svg { width: 22px; height: 22px; color: var(--blue); }

    /* ════════════════════════════════ SUSTAINABLE */
    #sustainable {
      position: relative;
      padding: clamp(72px, 9vw, 120px) var(--layout-gutter);
      overflow: hidden;
      color: var(--white);
    }

    .sustainable-bg {
      position: absolute;
      inset: 0;
      background-image: url('../assets/images/andreas-renewable.jpg');
      background-size: cover;
      background-position: center;
      transform: scale(1.02);
    }

    .sustainable-overlay {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(
          165deg,
          rgba(21, 37, 88, 0.91) 0%,
          rgba(18, 52, 42, 0.88) 42%,
          rgba(21, 37, 88, 0.93) 100%
        ),
        linear-gradient(
          90deg,
          rgba(62, 163, 114, 0.18) 0%,
          transparent 55%
        );
      pointer-events: none;
    }

    .sustainable-inner {
      position: relative;
      z-index: 1;
      max-width: var(--content-max);
      margin: 0 auto;
    }

    .sustainable-head {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    #sustainable .sustainable-head .eyebrow {
      color: rgba(255, 255, 255, 0.72);
      margin-bottom: 20px;
    }

    .section-title {
      font-family: var(--sans);
      font-size: clamp(52px, 8vw, 110px);
      font-weight: 800;
      line-height: 0.98;
      letter-spacing: -0.028em;

      color: var(--white);
      margin: 0 0 18px;
    }

    .sustainable-tagline {
      font-family: var(--sans);
      font-size: clamp(14px, 1.35vw, 17px);
      font-weight: 400;
      letter-spacing: -0.01em;
      text-transform: none;
      color: rgba(255, 255, 255, 0.88);
      line-height: 1.72;
      margin: 0;
      max-width: 640px;
      margin-inline: auto;
    }

    .sustainable-card-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: clamp(18px, 2.5vw, 26px);
      margin-top: clamp(40px, 5vw, 64px);
      align-items: stretch;
    }

    /* Glass panel cards – large TL radius, frosted panel, circular icon ring (reference layout) */
    .sust-glass-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: clamp(26px, 2.8vw, 34px) clamp(22px, 2.4vw, 30px);
    background: linear-gradient(
      145deg,
      rgba(22, 58, 42, 0.55) 0%,
      rgba(16, 30, 52, 0.50) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--r) 0 var(--r) 0;
    box-shadow:
      0 8px 36px rgba(0, 0, 0, 0.22),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  }

    .sust-glass-card:hover {
      border-color: rgba(255, 255, 255, 0.38);
      box-shadow:
        0 16px 48px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
      transform: translateY(-2px);
    }

    .sust-glass-card:focus-within {
      outline: 2px solid rgba(0, 149, 219, 0.55);
      outline-offset: 3px;
    }

    @media (prefers-reduced-motion: reduce) {
      .sust-glass-card:hover {
        transform: none;
      }
    }

    @supports not (backdrop-filter: blur(1px)) {
      .sust-glass-card {
        background: rgba(16, 30, 52, 0.88);
      }
    }

    .sust-glass-card__head {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 22px;
    }

    .sust-glass-card__icon {
      flex-shrink: 0;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.06);
      border: 2px solid var(--color-accent-green);
      color: var(--color-accent-green);
      box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
    }

    .sust-glass-card__icon svg {
      width: 24px;
      height: 24px;
      flex-shrink: 0;
      color: var(--color-accent-green);

    }

    .sust-glass-card__title {
      font-family: var(--sans);
      font-size: clamp(15px, 1.35vw, 17px);
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--white);
      margin: 0;
    }

    .sust-glass-card__copy {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .sust-glass-card__para {
      font-size: 16px;
      line-height: 1.72;
      font-weight: 400;
      color: rgba(255, 255, 255, 0.92);
      margin: 0;
    }

    @media (max-width: 1100px) {
      .sustainable-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 1100px) and (min-width: 601px) {
      .sustainable-card-grid .sust-glass-card:nth-child(3) {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 600px) {
      #sustainable {
        padding-left: var(--layout-page-edge, 20px);
        padding-right: var(--layout-page-edge, 20px);
      }
      .sustainable-card-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ════════════════════════════════ SCALABLE */

  #sovereign {
      background-image: url('../assets/images/EU_test_0.png');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      background-color: transparent;
      padding: clamp(64px, 9vh, 100px) var(--layout-gutter) clamp(48px, 7vh, 80px);
      border-top: 1px solid var(--border-l);
    }

  #scalable {
      background-image: url('../assets/images/scalable_stairs.png');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      background-attachment: scroll;
      background-color: transparent;
      padding: clamp(80px, 12vh, 140px) var(--layout-gutter);
      border-top: 1px solid var(--border-l);
    }

  /* Parallax – desktop non-touch only. background-attachment: fixed breaks on iOS Safari.
     Touch/mobile overrides below (@media pointer: coarse and max-width: 768px) force scroll. */
  @media (hover: hover) and (pointer: fine) {
    #sovereign {
      background-attachment: fixed;
    }
  }

    /* ════════════════════════════════ SYSTEM INTRO */

    #system-intro {
      background: linear-gradient(135deg, #152558 0%, #183e7a 100%);
      padding: clamp(80px, 12vh, 140px) var(--layout-gutter);
      border-top: 1px solid var(--border-d);
    }

    .system-intro__eyebrow {
      margin-bottom: 20px;
    }

    .system-header {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: start;
      margin-bottom: 40px;
    }

    .system-header h2 {
      font-family: var(--sans);
      font-size: var(--section-headline-size-sm);
      font-weight: 600;
      line-height: 1.18;
      letter-spacing: -0.025em;
      color: var(--white);
      margin: 0;
    }

    .system-header__line {
      display: block;
    }

    .system-header__lead {
      font-size: 18px;
      line-height: 1.8;
      color: var(--muted-d);
      margin: 0;
    }

    .system-intro__actions {
      margin-top: 0;
    }

    .system-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }

    .system-diagram {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .system-photo {
      margin: 0;
      width: 100%;
      max-width: min(480px, 100%);
      border-radius: 4px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.14);
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
    }

    .system-photo img {
      width: 100%;
      height: auto;
      display: block;
      vertical-align: middle;
      object-fit: contain;
    }

    /* Shared band behind final CTA + footer so footer's TL radius shows CTA layer, not body white */
    .land-footer-stack {
      position: relative;
      background: linear-gradient(135deg, #152558 0%, #183e7a 100%);
    }
    .land-footer-stack::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url('../assets/images/binary-code.jpg');
      background-size: cover;
      background-position: center 38%;
      opacity: 0.14;
      pointer-events: none;
      z-index: 0;
    }

    /* ════════════════════════════════ FINAL CTA */
    #final-cta {
      position: relative;
      z-index: 1;
      overflow: hidden;
      padding: 120px var(--layout-gutter);
      background: transparent;
      text-align: center;
    }

    .final-cta-content {
      position: relative;
      z-index: 1;
      max-width: 700px;
      margin: 0 auto;
    }

    #final-cta h2 {
      font-size: clamp(32px, 5vw, 64px);
      font-weight: 800;
      line-height: 1.08;
      letter-spacing: -0.03em;
      color: var(--white);
      margin-bottom: clamp(28px, 4vw, 40px);
      text-wrap: balance;
    }

    #final-cta h2 .final-cta-h2-em {
      font-weight: 800;
    }

    #final-cta .sub {
      font-size: 18px;
      font-weight: 300;
      color: rgba(255,255,255,.65);
      margin-bottom: 28px;
      letter-spacing: 0.02em;
    }

    #final-cta p {
      font-size: 15px;
      line-height: 1.8;
      color: var(--muted-d);
      margin-bottom: 44px;
    }

    #final-cta .final-cta-content > p.eyebrow {
      font-size: var(--eyebrow-font-size);
      line-height: 1.45;
      color: var(--color-accent-blue);
      font-weight: 700;
      letter-spacing: 0.22em;
      text-shadow: 0 1px 20px rgba(8, 14, 32, 0.45);
      margin-bottom: 20px;
    }

    /* Beat section `p { font-size }` rules (e.g. .eco-copy p, #final-cta p) */
    #final-cta p.eyebrow,
    p.eyebrow {
      font-size: var(--eyebrow-font-size);
      letter-spacing: var(--eyebrow-letter-spacing);
      line-height: 1.45;
    }

    #final-cta .btn-row {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ════════════════════════════════ FOOTER (navy panel, TL radius, column rules – ref layout) */
    footer {
      position: relative;
      z-index: 1;
      background: linear-gradient(135deg, #152558 0%, #183e7a 100%);
      color: var(--white);
      padding: 56px var(--layout-gutter) 32px;
      border-top: none;
      border-top-left-radius: clamp(36px, 6vw, 64px);
      margin-top: 0;
    }

    /* Icon + wordmark as separate links; fixed grid keeps spacing stable at all breakpoints */
    .footer-brand-lockup {
      display: grid;
      grid-template-columns: 33px auto;
      column-gap: 13px;
      align-items: center;
      width: fit-content;
    }
    .footer-brand__icon,
    .footer-brand__wordmark {
      display: block;
      text-decoration: none;
      color: var(--white);
    }
    .footer-brand__icon img {
      display: block;
      height: 36px;
      width: auto;
    }
    .footer-brand__wordmark {
      font-family: var(--sans);
      font-size: 16px;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      white-space: nowrap;
      line-height: 1;
    }
    .footer-brand__wordmark em {
      font-style: normal;
      font-weight: 300;
      color: rgba(255, 255, 255, 0.92);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(200px, 2fr) 1fr 1fr 1fr;
      column-gap: clamp(28px, 4vw, 48px);
      align-items: start;
      margin-bottom: 0;
    }

    .footer-brand-info {
      margin-top: 18px;
      font-size: 13px;
      font-weight: 400;
      color: var(--white);
      line-height: 1.85;
      max-width: 280px;
    }

    .footer-col {
      min-width: 0;
    }

    .footer-col--rules {
      border-left: 1px solid rgba(255, 255, 255, 0.42);
      padding-left: clamp(24px, 3.5vw, 40px);
      align-self: start;
    }

    .footer-col h4 {
      font-family: var(--sans);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: var(--white);
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col ul a {
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--white);
      text-decoration: none;
      transition: opacity .2s;
    }
    .footer-col ul a:hover { opacity: 0.72; }

    .footer-col--legal {
      text-align: right;
    }
    .footer-col--legal ul {
      align-items: flex-end;
    }

    .footer-social {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      margin-top: 28px;
    }
    .social-btn {
      width: 36px;
      height: 36px;
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      transition: opacity .2s, border-color .2s;
    }
    .social-btn:hover {
      opacity: 0.85;
      border-color: var(--white);
    }

    .footer-rule {
      height: 0;
      margin: 40px 0 0;
      border: 0;
      border-top: 1px solid rgba(255, 255, 255, 0.42);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      padding-top: 22px;
    }
    .footer-copy {
      font-family: var(--sans);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.72);
    }

    /* ════════════════════════════════ DARK SECTION SHARED */
    .dark-section-head h2 { color: var(--white); }
    .dark-section-head p { color: var(--muted-d); }

    /* ════════════ ECO LABELS – shared styles (legacy mobile grid; hidden by default) */
    .eco-lm-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .eco-lm-dot {
      flex-shrink: 0;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      margin-top: 2px;
    }
    .eco-lm-tag {
      font-family: var(--mono);
      font-size: 0.65rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: 2px;
    }
    .eco-lm-name {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--navy-deep);
      line-height: 1.3;
      margin-bottom: 2px;
    }
    .eco-lm-sub {
      font-size: 0.72rem;
      font-weight: 400;
      color: var(--muted-l);
      line-height: 1.3;
    }
    .eco-lm-item--core {
      grid-column: span 2;
      padding-top: 10px;
    }

    /* Narrow: copy stacked above puzzle; labels stay around a smaller puzzle */
    @media (max-width: 1023px) {
      .eco-viewport {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: clamp(32px, 5vh, 56px);
      }

      .eco-copy {
        max-width: 100%;
        padding-top: 0;
        justify-self: stretch;
      }

      .eco-puzzle-stage {
        justify-self: center;
        margin-inline: auto;
        min-height: auto;
        width: 100%;
        max-width: 100%;
        --eco-puzzle-shift: 0px;
      }

      .eco-puzzle-layout {
        --eco-puzzle-canvas: clamp(120px, 48cqw, 300px);
        width: max-content;
        max-width: 100%;
        column-gap: clamp(3px, 1.2cqw, 8px);
      }

      #eco-pl-left,
      #eco-pl-right {
        min-width: 0;
        overflow-wrap: anywhere;
      }

      #eco-pl-left .eco-pl-name,
      #eco-pl-right .eco-pl-name {
        font-size: 0.72rem;
        line-height: 1.2;
      }

      #eco-pl-left .eco-pl-tag,
      #eco-pl-right .eco-pl-tag {
        font-size: 0.58rem;
        letter-spacing: 0.06em;
      }

    }

    /* ════════════════════════════════ RESPONSIVE (see MDN: width media queries + flex nav) */
    @media (max-width: 850px) {
      :root {
        --layout-page-edge: 16px;
        --layout-nav-inset: 16px;
        --hero-copy-inset: 20px;
        --eco-puzzle-sticky-top: 84px;
      }

      /* ── Section padding reduction ── */
      #why-now {
        padding: clamp(44px, 8vw, 64px) var(--layout-gutter);
      }
      .why-header {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 40px;
      }
      #sovereign {
        padding: clamp(44px, 8vw, 64px) var(--layout-gutter);
        min-height: 0;
        background-size: cover;
        background-position: center;
        background-attachment: scroll;
      }
      #scalable {
        padding: clamp(44px, 8vw, 64px) var(--layout-gutter);
        min-height: 0;
        background-image: none;
        background-color: var(--white);
      }

      .principle-layout {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .principle-left h2 {
        font-size: clamp(44px, 12vw, 80px);
      }

      #final-cta {
        padding: clamp(56px, 9vw, 88px) var(--layout-gutter);
      }

      .hero-btns {
        grid-template-columns: 1fr;
        width: min(380px, 100%);
      }

      .stats-grid {
        grid-template-columns: 1fr;
      }

      .site-header {
        padding: 16px var(--layout-page-edge) 0;
        gap: 10px;
        align-items: flex-start;
      }

      .nav-bar {
        flex: 1;
        min-width: 0;
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 56px;
        padding: 10px 14px 10px var(--layout-nav-inset);
        flex-wrap: wrap;
        align-items: center;
        row-gap: 4px;
        border-bottom-right-radius: 32px;
      }

      .logo {
        gap: 10px;
        min-width: 0;
      }
      .logo-mark { height: 32px; width: auto; display: block; flex-shrink: 0; }
      .logo-wordmark {
        font-size: clamp(9px, 2.8vw, 12px);
        letter-spacing: 0.12em;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-menu-btn {
        display: inline-flex;
      }

      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        flex-basis: 100%;
        gap: 0;
        padding: 4px 0 4px;
        margin: 0;
        border-top: 1px solid rgba(255,255,255,.14);
      }
      .site-header.nav-open .nav-links {
        display: flex;
        border-bottom: 1px solid rgba(255,255,255,.10);
        padding-top: 8px;
        padding-bottom: 8px;
        margin-bottom: 8px;
      }
      .site-header.nav-open .nav-bar {
        border-bottom-right-radius: 0;
      }
      .nav-links a {
        padding: clamp(16px, 3.2vh, 22px) 8px;
        font-size: 13px;
        letter-spacing: 0.13em;
      }
      .nav-links li {
        border-bottom: 1px solid rgba(255,255,255,.06);
      }
      .nav-links li:last-child {
        border-bottom: none;
      }




      .hero-content {
        padding: 96px var(--layout-gutter) 24px;
        max-width: none;
        justify-content: center;
      }
      .hero-text-band {
        padding: 24px 16px 28px var(--hero-copy-inset);
        margin-bottom: 24px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
      }
      #hero h1.hero-title {
        font-size: clamp(24px, 7.2vw, 38px);
      }
      @supports (font-size: 1cqi) {
        #hero h1.hero-title {
          font-size: clamp(24px, 7.2vw, 38px);
        }
      }
      .hero-lede-wbr--operates,
      .hero-lede-wbr--centers {
        display: contents;
      }
      .hero-lede {
        font-size: clamp(13px, 3.6vw, 17px);
        line-height: 1.22;
      }
      .hero-body {
        font-size: 14px;
        margin-bottom: 32px;
      }

      .hero-clients {
        padding: 12px 0 16px;
      }
      .hero-clients-label {
        font-size: 7px;
        letter-spacing: 0.16em;
        margin-bottom: 10px;
      }
      .hero-clients-set {
        gap: 28px;
        padding-right: 28px;
      }

      #ecosystem-intro {
        padding: 0;
      }
      .eco-viewport {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: calc(var(--eco-puzzle-sticky-top) + 8px) var(--layout-gutter) clamp(40px, 7vh, 64px);
        gap: clamp(28px, 5vh, 52px);
      }
      .eco-copy {
        max-width: 100%;
      }
      .eco-copy h2 {
        margin-bottom: clamp(20px, 3vw, 24px);
      }
      .eco-puzzle-stage {
        flex-direction: column;
        align-items: center;
        justify-self: center;
        margin-inline: auto;
        width: 100%;
        max-width: 100%;
      }

      .eco-labels-mobile {
        display: none !important;
      }

      .eco-puzzle-layout {
        margin-inline: auto;
        column-gap: 3px;
        row-gap: 6px;
      }

      #eco-pl-left,
      #eco-pl-right {
        min-height: 0;
        align-self: center;
      }

      #eco-pl-top,
      #eco-pl-bottom {
        max-width: 100%;
      }

      #eco-pl-top .eco-pl-sub,
      #eco-pl-bottom .eco-pl-sub {
        font-size: 0.68rem;
      }

      #eco-pl-top .eco-pl-tag,
      #eco-pl-bottom .eco-pl-tag,
      #eco-pl-left .eco-pl-tag,
      #eco-pl-right .eco-pl-tag {
        font-size: 0.58rem;
        letter-spacing: 0.07em;
      }

      #sustainable {
        padding-left: var(--layout-gutter);
        padding-right: var(--layout-gutter);
      }

      /* From Principles to System – stack on narrow viewports */
      #system-intro {
        padding-top: clamp(48px, 10vw, 80px);
        padding-bottom: clamp(48px, 10vw, 80px);
        padding-left: var(--layout-gutter);
        padding-right: var(--layout-gutter);
      }
      .system-header {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 32px;
      }
      #system-intro .system-inner {
        grid-template-columns: 1fr;
        gap: clamp(24px, 5vw, 40px);
        align-items: stretch;
      }
      #system-intro .system-diagram {
        order: -1;
      }
      #system-intro .system-photo {
        max-width: min(480px, 100%);
        margin-left: auto;
        margin-right: auto;
      }

      #sovereign {
        padding-left: var(--layout-gutter);
        padding-right: var(--layout-gutter);
      }

      footer {
        padding: 48px var(--layout-gutter) 28px;
        border-top-left-radius: 32px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        row-gap: 32px;
      }
      .footer-brand-info {
        margin-top: 24px;
      }
      .footer-col--rules {
        border-left: none;
        padding-left: 0;
        padding-top: 28px;
        border-top: 1px solid rgba(255, 255, 255, 0.35);
      }
      .footer-col--legal {
        text-align: left;
      }
      .footer-col--legal ul {
        align-items: flex-start;
      }
      .footer-social {
        justify-content: flex-start;
      }
    }

    @media (max-width: 480px) {
      .eco-puzzle-layout {
        column-gap: 2px;
        row-gap: 4px;
      }

      #eco-pl-left .eco-pl-sub,
      #eco-pl-right .eco-pl-sub {
        font-size: 0.6rem;
      }

      #eco-pl-top .eco-pl-sub,
      #eco-pl-bottom .eco-pl-sub {
        font-size: 0.62rem;
      }

      .site-header .logo-wordmark {
        display: none;
      }
      .logo {
        gap: 0;
      }

      .hero-text-band {
        padding: 20px 16px 24px var(--hero-copy-inset);
      }

      .eco-viewport {
        padding-left: var(--layout-gutter);
        padding-right: var(--layout-gutter);
      }

      /* ── Stats stacked ── */
      .stat-block {
        padding: 32px 24px;
      }
      .stat-val {
        font-size: clamp(30px, 8vw, 48px);
      }

      /* ── Sovereign / Scalable principles ── */
      .principle-left h2 {
        font-size: clamp(40px, 14vw, 72px);
      }

      /* ── Section-title scaling ── */
      .section-title {
        font-size: clamp(40px, 12vw, 72px);
      }

      /* ── Final CTA heading ── */
      #final-cta h2 {
        font-size: clamp(28px, 7.5vw, 48px);
      }

      /* ── Sustainable cards already single column ── */
      #sustainable {
        padding-left: var(--layout-gutter);
        padding-right: var(--layout-gutter);
      }

      /* ── Btn row stack ── */
      .hero-btns {
        grid-template-columns: 1fr;
      }
      .btn {
        min-height: 44px;
        width: 100%;
        justify-content: center;
      }
    }

    @media (max-width: 400px) {
      :root {
        --layout-page-edge: 10px;
        --layout-nav-inset: 12px;
        --hero-copy-inset: 12px;
      }

      .site-header {
        display: block;
        padding: 12px var(--layout-page-edge) 0;
      }

      .nav-bar {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        padding: 8px 10px 8px var(--layout-nav-inset);
        border-bottom-right-radius: 26px;
      }

      .logo {
        gap: 8px;
      }
      .logo-mark { height: 28px; width: auto; display: block; flex-shrink: 0; }
      .logo-wordmark {
        font-size: clamp(8px, 2.9vw, 10px);
        letter-spacing: 0.08em;
      }

      .nav-menu-btn {
        margin-left: 4px;
      }
      .nav-menu-btn svg {
        width: 22px;
        height: 22px;
      }
    }


    /* Extra-narrow: stack header rows + typographic safety (MDN: wrapping, minmax(0,1fr), overflow-wrap) */
    @media (max-width: 349px) {
      :root {
        --layout-page-edge: 10px;
        --layout-nav-inset: 10px;
        --hero-copy-inset: 12px;
      }

      .hero-lede {
        font-size: clamp(11px, 3.15vw, 14px);
        line-height: 1.22;
      }

      .site-header {
        display: block;
        padding: 10px var(--layout-page-edge) 0;
      }

      .nav-bar {
        width: 100%;
        min-height: 50px;
        padding: 8px 10px 8px var(--layout-nav-inset);
        border-bottom-right-radius: 22px;
      }

      .logo {
        flex: 1 1 auto;
        min-width: 0;
        max-width: calc(100% - 48px);
      }
      .logo-mark { height: 26px; width: auto; display: block; flex-shrink: 0; }
      .logo-wordmark {
        font-size: 8px;
        letter-spacing: 0.06em;
      }

      .hero-content {
        padding: 84px var(--layout-gutter) 24px;
      }
      .hero-text-band {
        padding: 16px 10px 20px var(--hero-copy-inset);
        margin-bottom: 20px;
      }
      #hero h1.hero-title {
        font-size: clamp(22px, 6.8vw, 34px);
      }
      @supports (font-size: 1cqi) {
        #hero h1.hero-title {
          font-size: clamp(22px, 6.8vw, 34px);
        }
      }
      .hero-tagline {
        margin-top: 10px;
      }
      .hero-lede {
        font-size: clamp(11.5px, 3.25vw, 14.5px);
        line-height: 1.22;
      }
      .hero-body {
        font-size: 13px;
        line-height: 1.75;
      }

      .hero-btns {
        width: min(480px, 100%);
        gap: 8px;
      }
      .hero-btns .btn {
        padding: 12px 10px;
        font-size: 8px;
        letter-spacing: 0.1em;
      }

      .hero-clients {
        --hero-marquee-duration: 52s;
      }
    }

    /* ════════════════════════════════ MOBILE BACKGROUND IMAGE SAFETY
       iOS Safari does not support background-attachment: fixed on non-body
       elements. Always use scroll. Ensure cover + center at mobile widths. */
    @media (max-width: 768px) {
      #sovereign {
        background-attachment: scroll;
        background-size: cover;
        background-position: center;
      }
    }

    @media (pointer: coarse) {
      .nav-menu-btn {
        min-width: 44px;
        min-height: 44px;
      }
      /* Prevent parallax on touch devices – iOS Safari bug with fixed backgrounds */
      #sovereign,
      #scalable {
        background-attachment: scroll;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .reveal {
        transition: none;
      }
      .reveal.visible {
        transform: none;
      }
      .hero-clients-track {
        animation: none;
        width: 100%;
        max-width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        padding: 8px 16px 12px;
        box-sizing: border-box;
      }
      .hero-clients-set:last-of-type {
        display: none;
      }
      .hero-clients-set {
        flex-wrap: wrap;
        justify-content: center;
        padding: 0;
        gap: 16px 24px;
        width: 100%;
      }
      .hero-clients-marquee {
        mask-image: none;
        -webkit-mask-image: none;
      }
    }

    /* Large-screen type + container scale: see css/large-screens.css */