/* MARÉ Labs — Stylesheet */
  :root{
    /* ---- Color tokens ---- */
    --ink: #0c0f0e;
    --ink-2: #12100b1a;
    --panel: #12312d34;
    --paper: #ece7dd;
    --paper-dim: #ece7dd99;
    --paper-faint: #ece7dd4d;
    --deep: #14332d;
    --deep-2: #0f2723;
    --stone: #8d9089;
    --line: #ece7dd22;
    --line-strong: #ece7dd3d;
    --current: #63e6b7;
    --current-dim: #63e6b799;

    /* ---- Type ---- */
    --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
    --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;

    /* ---- Spacing / layout ---- */
    --gutter: clamp(24px, 6vw, 96px);
    --section-pad: clamp(72px, 12vw, 160px);
    --container: 1180px;
    --radius-sm: 3px;
    --radius-md: 6px;

    /* ---- Motion ---- */
    --ease: cubic-bezier(.22,.61,.36,1);
    --dur-fast: .32s;
    --dur-med: .7s;
    --dur-slow: 1.4s;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ink);
    color:var(--paper);
    font-family:var(--font-body);
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img,svg{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  ::selection{background:var(--current);color:var(--ink);}

  h1,h2,h3,h4{
    font-family:var(--font-display);
    font-weight:600;
    margin:0;
    letter-spacing:-0.01em;
  }
  p{margin:0;}

  .container{
    max-width:var(--container);
    margin:0 auto;
    padding-left:var(--gutter);
    padding-right:var(--gutter);
  }

  section{position:relative;}

  .visually-hidden{
    position:absolute; width:1px;height:1px;overflow:hidden;
    clip:rect(0 0 0 0); white-space:nowrap;
  }

  a:focus-visible, button:focus-visible{
    outline:2px solid var(--current);
    outline-offset:3px;
    border-radius:2px;
  }

  /* ================= HEADER ================= */
  .site-header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    padding:22px var(--gutter);
    display:flex; align-items:center; justify-content:space-between;
    transition:background var(--dur-fast) var(--ease), padding var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
    border-bottom:1px solid transparent;
  }
  .site-header.scrolled{
    background:rgba(12,15,14,0.82);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
    padding-top:16px; padding-bottom:16px;
  }
  .wordmark{
    font-family:var(--font-display);
    font-weight:700;
    font-size:20px;
    display:flex; align-items:baseline; gap:8px;
    letter-spacing:-0.01em;
  }
  .wordmark .mare{ display:inline-flex; }
  .wordmark .accent-e{ color:var(--current); margin-left:-0.01em; }
  .wordmark .labs{
    font-family:var(--font-body);
    font-weight:500;
    font-size:12px;
    letter-spacing:0.14em;
    color:var(--stone);
    text-transform:uppercase;
    transform:translateY(1px);
  }
  nav.primary-nav{
    display:flex; align-items:center; gap:36px;
  }
  nav.primary-nav a.nav-link{
    font-size:14px; color:var(--paper-dim);
    transition:color var(--dur-fast) var(--ease);
    position:relative;
  }
  nav.primary-nav a.nav-link:hover{color:var(--paper);}
  nav.primary-nav a.nav-link::after{
    content:'';
    position:absolute; left:0; right:0; bottom:-4px; height:1px;
    background:var(--current);
    transform:scaleX(0); transform-origin:left;
    transition:transform var(--dur-fast) var(--ease);
  }
  nav.primary-nav a.nav-link:hover::after{transform:scaleX(1);}
  .nav-cta{
    font-size:13px; padding:9px 16px;
    border:1px solid var(--line-strong);
    border-radius:99px;
    transition:border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
    white-space:nowrap;
  }
  .nav-cta:hover{border-color:var(--current); color:var(--current);}
  .menu-toggle{display:none;}

  /* ---------- Language switcher ---------- */
  .lang-switch{ position:relative; }
  .lang-switch-mobile{ display:none; }
  .lang-current{
    display:flex; align-items:center; gap:7px;
    background:transparent; border:1px solid var(--line-strong);
    color:var(--paper-dim);
    font-family:var(--font-body); font-size:12.5px; font-weight:600;
    letter-spacing:0.04em;
    padding:8px 12px;
    border-radius:99px;
    cursor:pointer;
    transition:border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  }
  .lang-current:hover{ border-color:var(--current); color:var(--paper); }
  .lang-current svg{ transition:transform var(--dur-fast) var(--ease); color:var(--stone); }
  .lang-switch.is-open .lang-current svg{ transform:rotate(180deg); }
  .lang-menu{
    list-style:none; margin:0; padding:6px;
    position:absolute; top:calc(100% + 10px); right:0;
    min-width:158px;
    background:#101413;
    border:1px solid var(--line-strong);
    border-radius:10px;
    box-shadow:0 18px 40px rgba(0,0,0,0.45);
    opacity:0; visibility:hidden; transform:translateY(-6px);
    transition:opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
    z-index:200;
  }
  .lang-switch.is-open .lang-menu{ opacity:1; visibility:visible; transform:translateY(0); }
  .lang-menu li{ margin:0; }
  .lang-menu button{
    width:100%;
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    background:none; border:none; cursor:pointer;
    color:var(--paper-dim);
    font-family:var(--font-body); font-size:13px; font-weight:600;
    padding:9px 10px;
    border-radius:6px;
    text-align:left;
    transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  }
  .lang-menu button span{ font-weight:400; font-size:12px; color:var(--stone); }
  .lang-menu li:hover button, .lang-menu button:focus-visible{ background:var(--line); color:var(--paper); }
  .lang-menu li[aria-selected="true"] button{ color:var(--current); }
  .lang-menu li[aria-selected="true"] button span{ color:var(--current-dim); }

  /* ================= HERO ================= */
  .hero{
    min-height:100svh;
    display:flex; flex-direction:column; justify-content:flex-end;
    padding-top:140px;
    padding-bottom:var(--section-pad);
    overflow:hidden;
  }
  #flow-canvas{
    position:absolute; inset:0; z-index:0;
    width:100%; height:100%;
    opacity:0.85;
  }
  .hero-inner{
    position:relative; z-index:2;
  }
  .hero-eyebrow{
    display:flex; align-items:center; gap:10px;
    font-size:13px; color:var(--stone);
    margin-bottom:28px;
  }
  .hero-eyebrow .dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--current);
    box-shadow:0 0 12px 2px var(--current-dim);
  }
  .hero h1{
    font-size:clamp(2.6rem, 7vw, 6.2rem);
    line-height:0.98;
    max-width:16ch;
  }
  .hero h1 .line{display:block;}
  .hero-sub{
    margin-top:34px;
    max-width:44ch;
    font-size:clamp(1.05rem, 1.6vw, 1.3rem);
    color:var(--paper-dim);
    font-weight:400;
  }
  .hero-actions{
    margin-top:44px;
    display:flex; align-items:center; gap:28px; flex-wrap:wrap;
  }
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:15px 26px;
    background:var(--paper);
    color:var(--ink);
    border-radius:99px;
    font-family:var(--font-display);
    font-weight:600;
    font-size:15px;
    transition:transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
    border:1px solid var(--paper);
  }
  .btn:hover{ transform:translateY(-2px); background:var(--current); border-color:var(--current); }
  .btn-ghost{
    background:transparent; color:var(--paper);
    border:1px solid var(--line-strong);
  }
  .btn-ghost:hover{ background:transparent; border-color:var(--current); color:var(--current); transform:translateY(-2px);}
  .scroll-hint{
    position:absolute; right:var(--gutter); bottom:48px; z-index:2;
    display:flex; flex-direction:column; align-items:center; gap:12px;
    color:var(--stone); font-size:12px; letter-spacing:0.08em;
  }
  .scroll-hint .stem{
    width:1px; height:52px;
    background:linear-gradient(var(--stone), transparent);
  }

  /* ================= THREAD (current motif) ================= */
  .thread-wrap{
    position:absolute; left:50%; top:0; bottom:0;
    width:1px; transform:translateX(-50%);
    z-index:1; pointer-events:none;
  }

  /* ================= SECTION HEADINGS ================= */
  .kicker{
    font-size:13px; color:var(--current);
    font-family:var(--font-display);
    margin-bottom:18px;
    display:block;
  }
  .section-head{
    max-width:820px;
    margin-bottom:clamp(48px, 6vw, 88px);
  }
  .section-head h2{
    font-size:clamp(1.9rem, 4vw, 3.1rem);
    line-height:1.08;
  }

  /* ================= MANIFESTO ================= */
  .manifesto{
    padding:var(--section-pad) 0;
    border-top:1px solid var(--line);
  }
  .manifesto-grid{
    display:grid;
    grid-template-columns: 0.9fr 1.6fr;
    gap:clamp(32px, 6vw, 96px);
    align-items:start;
  }
  .manifesto-lead{
    font-family:var(--font-display);
    font-size:clamp(1.6rem, 3vw, 2.3rem);
    line-height:1.22;
    color:var(--paper);
  }
  .manifesto-body p{
    font-size:clamp(1.05rem, 1.6vw, 1.25rem);
    color:var(--paper-dim);
    margin-bottom:1.4em;
    max-width:56ch;
  }
  .manifesto-body p:last-child{margin-bottom:0;}
  .manifesto-body strong{ color:var(--paper); font-weight:600; }

  /* ================= ABOUT / WHAT IT IS ================= */
  .about{
    padding:var(--section-pad) 0;
    border-top:1px solid var(--line);
  }
  .about-grid{
    display:grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap:clamp(32px, 6vw, 96px);
  }
  .about-copy p{
    font-size:clamp(1.05rem,1.5vw,1.2rem);
    color:var(--paper-dim);
    max-width:52ch;
  }
  .about-copy p + p{margin-top:1.3em;}
  .fact-list{
    display:flex; flex-direction:column;
    border-top:1px solid var(--line);
  }
  .fact-item{
    padding:22px 0;
    border-bottom:1px solid var(--line);
    display:flex; justify-content:space-between; gap:24px;
  }
  .fact-item .fact-label{
    font-size:13px; color:var(--stone);
    max-width:14ch;
  }
  .fact-item .fact-value{
    font-family:var(--font-display);
    font-size:15px;
    text-align:right;
    max-width:22ch;
    color:var(--paper);
  }

  /* ================= PRODUCTS ================= */
  .products{
    padding:var(--section-pad) 0;
    border-top:1px solid var(--line);
  }
  .product-block{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:clamp(28px, 5vw, 72px);
    align-items:center;
    padding:clamp(40px, 6vw, 72px) 0;
    border-top:1px solid var(--line);
  }
  .product-block:last-of-type{border-bottom:1px solid var(--line);}
  .product-block.reverse .product-visual{order:2;}
  .product-block.reverse .product-copy{order:1;}

  .product-visual{
    display:block;
    position:relative;
    aspect-ratio: 4/3;
    border-radius:var(--radius-md);
    overflow:hidden;
    border:1px solid var(--line-strong);
    transition:border-color var(--dur-fast) var(--ease);
  }
  .product-visual:hover{ border-color:var(--current); }

  .product-title-link{ transition:color var(--dur-fast) var(--ease); }
  .product-title-link:hover{ color:var(--current); }

  .fact-value a{
    color:var(--paper);
    border-bottom:1px solid var(--line-strong);
    transition:color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  }
  .fact-value a:hover{ color:var(--current); border-color:var(--current); }
  .product-visual canvas{width:100%;height:100%;display:block;}

  .product-tag{
    display:inline-block;
    font-size:12px; letter-spacing:0.06em;
    color:var(--stone);
    margin-bottom:16px;
  }
  .product-copy h3{
    font-size:clamp(1.7rem, 3vw, 2.4rem);
    margin-bottom:6px;
  }
  .product-copy .product-line{
    font-size:14px; color:var(--current);
    font-family:var(--font-display);
    margin-bottom:20px;
    display:block;
  }
  .product-copy p{
    font-size:1.05rem; color:var(--paper-dim);
    max-width:46ch; margin-bottom:24px;
  }
  .product-link{
    font-size:14px; font-family:var(--font-display); font-weight:600;
    display:inline-flex; align-items:center; gap:8px;
    color:var(--paper);
    border-bottom:1px solid var(--line-strong);
    padding-bottom:3px;
    transition:border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  }
  .product-link:hover{ color:var(--current); border-color:var(--current); }

  .product-note{
    margin-top:12px;
    font-size:13px; color:var(--stone);
  }

  /* ================= PHILOSOPHY / FLOW ================= */
  .philosophy{
    padding:var(--section-pad) 0;
    border-top:1px solid var(--line);
  }
  .flow-track{
    display:grid;
    grid-template-columns: repeat(5, 1fr);
    gap:0;
    margin-top:16px;
    position:relative;
  }
  .flow-track::before{
    content:'';
    position:absolute; left:0; right:0; top:11px;
    height:1px; background:var(--line-strong);
    z-index:0;
  }
  .flow-node{
    position:relative; z-index:1;
    padding-right:20px;
  }
  .flow-node .node-dot{
    width:11px; height:11px; border-radius:50%;
    background:var(--ink); border:1px solid var(--line-strong);
    margin-bottom:22px;
    transition:background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  }
  .flow-node.is-visible .node-dot{
    background:var(--current); border-color:var(--current);
    box-shadow:0 0 14px 2px var(--current-dim);
  }
  .flow-node h4{
    font-size:15px; margin-bottom:10px;
  }
  .flow-node p{
    font-size:13.5px; color:var(--paper-dim);
    max-width:22ch;
  }

  .medium-line{
    margin-top:clamp(56px,7vw,96px);
    padding-top:clamp(40px,5vw,64px);
    border-top:1px solid var(--line);
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:32px;
    align-items:end;
  }
  .medium-line h3{
    font-size:clamp(1.6rem, 3vw, 2.2rem);
    line-height:1.2;
    max-width:14ch;
  }
  .medium-line .medium-caps{
    display:flex; flex-wrap:wrap; gap:10px 14px;
  }
  .medium-caps span{
    font-size:13px; color:var(--stone);
    padding:7px 14px;
    border:1px solid var(--line);
    border-radius:99px;
  }

  /* ================= MOTION SECTION ================= */
  .motion-section{
    padding:var(--section-pad) 0;
    border-top:1px solid var(--line);
    text-align:left;
  }
  .motion-marquee{
    overflow:hidden;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:34px 0;
    margin-top:48px;
  }
  .motion-marquee .track{
    display:flex; gap:56px;
    width:max-content;
    animation: marquee 32s linear infinite;
  }
  .motion-marquee .track span{
    font-family:var(--font-display);
    font-size:clamp(1.6rem, 4vw, 3rem);
    color:var(--paper-faint);
    white-space:nowrap;
  }
  .motion-marquee .track span.on{ color:var(--current); }
  @keyframes marquee{
    from{ transform:translateX(0); }
    to{ transform:translateX(-50%); }
  }

  /* ================= FINAL CTA ================= */
  .final-cta{
    padding:var(--section-pad) 0;
    border-top:1px solid var(--line);
    text-align:center;
    display:flex; flex-direction:column; align-items:center;
  }
  .final-cta h2{
    font-size:clamp(2.2rem, 6vw, 4.2rem);
    max-width:16ch;
    line-height:1.04;
  }
  .final-cta p{
    margin-top:24px;
    color:var(--paper-dim);
    font-size:1.1rem;
    max-width:44ch;
  }
  .final-cta .hero-actions{ justify-content:center; margin-top:40px; }

  /* ================= FOOTER ================= */
  footer.site-footer{
    border-top:1px solid var(--line);
    padding:var(--section-pad) 0 40px;
  }
  .footer-top{
    display:grid;
    grid-template-columns: 1.4fr 0.6fr 0.6fr 0.9fr;
    gap:32px;
    padding-bottom:56px;
  }
  .footer-brand .wordmark{ font-size:24px; margin-bottom:14px;}
  .footer-brand p{ color:var(--stone); font-size:14px; max-width:32ch; }
  .footer-col h5{
    font-size:12px; color:var(--stone); letter-spacing:0.08em;
    margin-bottom:16px; font-weight:500; font-family:var(--font-body);
  }
  .footer-col a{
    display:block; font-size:14px; color:var(--paper-dim);
    margin-bottom:10px;
    transition:color var(--dur-fast) var(--ease);
  }
  .footer-col a:hover{ color:var(--current); }
  .footer-bottom{
    border-top:1px solid var(--line);
    padding-top:28px;
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:16px;
    color:var(--stone); font-size:13px;
  }
  .footer-bottom .tagline{ color:var(--paper-dim); }

  /* ================= REVEAL ANIMATION ================= */
  .reveal{
    opacity:0; transform:translateY(18px);
    transition:opacity .8s var(--ease), transform .8s var(--ease);
  }
  .reveal.is-in{ opacity:1; transform:translateY(0); }

  /* ================= RESPONSIVE ================= */
  @media (max-width:900px){
    nav.primary-nav{ display:none; }
    .lang-switch-mobile{ display:block; }
    .site-header{ gap:16px; }
    .manifesto-grid, .about-grid{ grid-template-columns:1fr; }
    .product-block, .product-block.reverse{
      grid-template-columns:1fr;
    }
    .product-block .product-visual, .product-block.reverse .product-visual{ order:1; }
    .product-block .product-copy, .product-block.reverse .product-copy{ order:2; }
    .flow-track{ grid-template-columns: repeat(2, 1fr); row-gap:32px; }
    .flow-track::before{ display:none; }
    .medium-line{ grid-template-columns:1fr; }
    .footer-top{ grid-template-columns: 1fr 1fr; row-gap:36px; }
  }
  @media (max-width:560px){
    .hero{ padding-top:110px; }
    .fact-item{ flex-direction:column; gap:6px; }
    .fact-item .fact-value{ text-align:left; }
    .footer-top{ grid-template-columns: 1fr; }
  }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
    .reveal{ opacity:1; transform:none; }
  }