/* ============================================================
     RESET + ROOT — mobile-first tokens
  ============================================================ */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    /* ---- color tokens (clean white "type specimen" palette) ---- */
    --paper:        #ffffff;
    --surface:      #ffffff;
    --ink:          #15140f;
    --ink-2:        #5c584c;
    --ink-3:        #97927f;
    --line:         #e9e7e1;
    --line-strong:  #d7d4cb;
    --signal:       #2451c4;
    --signal-dark:  #1b3a93;
    --signal-soft:  #eef1fc;
    --success:      #1e7a4a;
    --success-soft: #e7f5ec;
    --rose:         #b23a57;

    /* ---- legacy variable names kept so existing content markup still works ---- */
    --bg: var(--paper);
    --bg2: #f7f7f5;
    --bg3: #efeeea;
    --bg4: #dcdad2;
    --border: var(--line);
    --border2: var(--line-strong);
    --text: var(--ink);
    --text2: var(--ink-2);
    --text3: var(--ink-3);
    --accent: var(--signal);
    --accent2: var(--signal-dark);
    --accent-light: var(--signal-soft);
    --green: var(--success);
    --pink: var(--rose);
    --card-shadow: 0 1px 2px rgba(22,21,19,0.05);
    --card-shadow-hover: 0 3px 10px rgba(22,21,19,0.08);
    --max-w: 980px;
    --radius: 10px;

    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-body: var(--font);
    --font-ui: var(--font);
    --font-display: var(--font);
  }

  html { font-size: 16px; scroll-behavior: smooth; }

  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  }
  :focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 4px; }

  /* ============================================================
     NAVIGATION — mobile-first
  ============================================================ */
  nav {
    position: sticky; top: 0; z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 0 1rem;
    display: flex; align-items: center; justify-content: space-between;
    height: 58px;
  }
  .logo {
    display: inline-flex; align-items: center; gap: 0.55rem;
    font-family: var(--font); font-weight: 800; font-size: 1.02rem;
    color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
  }
  .logo-mark {
    display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
    width: 26px; height: 26px; border-radius: 7px;
    background: var(--ink); color: #fff;
    font-family: var(--font); font-size: 0.72rem; font-weight: 800; letter-spacing: -0.02em;
  }
  .logo-word .logo-accent { color: var(--signal); }
  /* If you swap in an image logo, size it here so there's no layout shift while it loads */
  .logo-img { display: block; height: 26px; width: auto; }

  .nav-links { display: none; list-style: none; align-items: center; gap: 1.75rem; }
  .nav-links a {
    font-family: var(--font); color: var(--ink-2); text-decoration: none;
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.01em;
  }
  .nav-links a:hover, .nav-links a.active { color: var(--signal); }

  .nav-hamburger {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    background: none; border: none; cursor: pointer; padding: 0;
  }
  .nav-hamburger span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 2.5px 0; border-radius: 2px; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 58px; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--line); padding: 1.1rem 1.25rem 1.4rem; gap: 1rem; z-index: 99; }

  @media (min-width: 700px) {
    nav { padding: 0 2rem; height: 64px; }
    .nav-links { display: flex; }
    .nav-hamburger { display: none; }
  }

  /* ============================================================
     HERO — mobile-first, no forced nowrap (was a CLS/overflow risk)
  ============================================================ */
  .hero { padding: 2.25rem 1.1rem 1.75rem; max-width: var(--max-w); margin: 0 auto; text-align: center; }
  .hero h1 {
    font-family: var(--font); font-size: clamp(1.85rem, 7vw, 3rem);
    font-weight: 800; line-height: 1.12; color: var(--ink); letter-spacing: -0.02em;
  }
  .hero h1 .accent { color: var(--signal); }
  .hero-sub {
    font-family: var(--font); font-size: 0.98rem; color: var(--ink-2);
    margin: 0.9rem auto 0; line-height: 1.7; max-width: 540px; font-weight: 400;
  }
  .hero-specimens { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 1.5rem; }
  .specimen-chip {
    display: inline-flex; align-items: baseline; gap: 0.45rem;
    background: var(--surface); border: 1px solid var(--line); border-radius: 100px;
    padding: 0.42rem 0.95rem; font-size: 1rem; color: var(--ink);
  }
  .specimen-chip .tag { font-family: var(--font); font-size: 0.56rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
  @media (min-width: 700px) { .hero { padding: 3.5rem 2rem 2.25rem; } }

  /* ============================================================
     GENERATOR ZONE
  ============================================================ */
  .generator-zone { max-width: var(--max-w); margin: 0 auto; padding: 0 0.85rem 2rem; }

  .input-sticky-wrap {
    position: sticky; top: 58px; z-index: 50;
    background: var(--paper);
    padding: 0.55rem 0 0.45rem;
  }
  @media (min-width: 700px) { .input-sticky-wrap { top: 64px; } }

  .input-card {
    background: var(--surface);
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 0.5rem 0.7rem;
    box-shadow: var(--card-shadow);
    display: flex; align-items: flex-end; gap: 0.6rem;
  }
  .input-label { display: none; }
  .input-field-wrap { flex: 1; }

  /* Auto-grows with content (no internal scrollbar). JS sets height = scrollHeight on input. */
  .text-input {
    width: 100%;
    background: var(--bg2);
    border: 1.5px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    font-family: var(--font);
    font-size: 1rem; font-weight: 500;
    padding: 0.6rem 0.85rem;
    outline: none; resize: none;
    min-height: 46px; line-height: 1.4;
    overflow-y: hidden;
    display: block;
  }
  .text-input:focus { border-color: var(--signal); background: var(--surface); box-shadow: 0 0 0 3px var(--signal-soft); }
  .text-input::placeholder { color: var(--ink-3); font-weight: 400; }

  .char-count { font-family: var(--font); font-size: 0.68rem; color: var(--ink-3); font-weight: 600; white-space: nowrap; padding-bottom: 0.6rem; }

  .size-row { display: flex; align-items: center; justify-content: flex-end; gap: 0.55rem; padding: 0.45rem 0.15rem 0.05rem; }
  .size-row-label { font-family: var(--font); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
  .size-slider { accent-color: var(--signal); width: 120px; cursor: pointer; }
  @media (min-width: 700px) { .size-slider { width: 160px; } }

  @media (min-width: 700px) {
    .input-label { display: block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); padding-bottom: 0.7rem; }
  }

  /* CONTROLS BLOCK */
  .controls-block {
    background: var(--bg2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0.75rem 0.8rem;
    margin: 0.55rem 0 0.8rem;
    display: flex; flex-direction: column; gap: 0.6rem;
  }

  .filter-row { display: flex; align-items: center; gap: 0.4rem; }
  .filter-label { display: none; }
  .filter-carousel-wrap { position: relative; flex: 1; overflow: hidden; }
  .filter-carousel-wrap::before, .filter-carousel-wrap::after {
    content: ''; position: absolute; top: 0; bottom: 0; width: 22px; z-index: 2; pointer-events: none;
  }
  .filter-carousel-wrap::before { left: 0; background: linear-gradient(to right, var(--bg2), transparent); }
  .filter-carousel-wrap::after  { right: 0; background: linear-gradient(to left,  var(--bg2), transparent); }

  .filter-bar { display: flex; gap: 0.35rem; overflow-x: auto; padding: 0.15rem 0.15rem; scrollbar-width: none; }
  .filter-bar::-webkit-scrollbar { display: none; }

  .filter-btn {
    background: var(--surface); border: 1.5px solid var(--line-strong);
    border-radius: 100px; color: var(--ink-2);
    font-family: var(--font); font-size: 0.72rem; font-weight: 600;
    padding: 0.32rem 0.85rem; cursor: pointer; white-space: nowrap; flex-shrink: 0;
  }
  .filter-btn:hover { border-color: var(--signal); color: var(--signal); }
  .filter-btn.active { background: var(--signal); border-color: var(--signal); color: #fff; }

  .filter-arrow {
    flex-shrink: 0; width: 26px; height: 26px;
    background: var(--surface); border: 1.5px solid var(--line-strong);
    border-radius: 50%; color: var(--signal);
    font-size: 0.78rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
  }
  .filter-arrow:hover { background: var(--signal); color: #fff; border-color: var(--signal); }

  .search-row { display: flex; gap: 0.6rem; align-items: center; }
  .search-wrap { position: relative; flex: 1; }
  .search-icon { position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%); color: var(--ink-3); font-size: 0.78rem; pointer-events: none; }
  .search-input {
    width: 100%; background: var(--surface);
    border: 1.5px solid var(--line-strong); border-radius: 8px;
    color: var(--ink); font-family: var(--font); font-size: 0.82rem;
    padding: 0.45rem 0.85rem 0.45rem 2rem; outline: none;
  }
  .search-input:focus { border-color: var(--signal); box-shadow: 0 0 0 3px var(--signal-soft); }
  .search-input::placeholder { color: var(--ink-3); }
  .results-count { font-family: var(--font); font-size: 0.68rem; color: var(--ink-3); font-weight: 600; white-space: nowrap; }

  @media (min-width: 700px) {
    .filter-label, .filter-label { display: block; font-family: var(--font); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
  }

  /* CATEGORY HEADING */
  .category-heading { display: flex; align-items: center; gap: 0.7rem; margin: 1.3rem 0 0.65rem; }
  .category-heading:first-child { margin-top: 0; }
  .category-heading h2 {
    font-family: var(--font); font-size: 1.05rem; font-weight: 800;
    color: var(--ink); letter-spacing: -0.01em; line-height: 1.2; white-space: nowrap;
  }
  .category-heading h2 em { color: var(--signal); font-style: normal; }
  .category-heading-line { flex: 1; height: 1px; background: var(--line-strong); }
  .category-heading-count {
    font-family: var(--font); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--ink-2); background: var(--signal-soft);
    border: 1px solid var(--line); padding: 0.16rem 0.55rem; border-radius: 100px; white-space: nowrap; flex-shrink: 0;
  }
  @media (min-width: 700px) { .category-heading h2 { font-size: 1.2rem; } }

  /* FONT GRID — render off-screen groups cheaply (big Core Web Vitals win) */
  .font-grid { display: grid; gap: 0.55rem; grid-template-columns: 1fr; }
  .cat-section { margin-bottom: 0.5rem; content-visibility: auto; contain-intrinsic-size: 0 640px; }

  @media (min-width: 700px) { .font-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1000px) { .font-grid { grid-template-columns: repeat(3, 1fr); } }

  .font-card {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 0.9rem 1.05rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  }
  .font-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); border-color: var(--line-strong); }
  .font-card.copied { border-color: var(--success); background: var(--success-soft); }

  .font-meta { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--line); }
  .font-name { font-family: var(--font); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-2); }
  .font-tag { font-family: var(--font); font-size: 0.56rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; padding: 0.1rem 0.45rem; border-radius: 4px; background: var(--bg2); color: var(--ink-3); margin-left: auto; }

  .font-preview {
    font-family: 'Noto Sans Symbols 2', 'Segoe UI Symbol', var(--font);
    font-size: var(--preview-size, 1.25rem); line-height: 1.8; color: var(--ink);
    word-break: break-word; overflow-wrap: break-word; padding: 0.1rem 0; min-height: 2rem;
    font-variant-ligatures: none; font-kerning: none;
    font-feature-settings: "liga" 0, "clig" 0, "calt" 0, "rlig" 0, "kern" 0;
  }
  .font-preview.has-combining { line-height: 2.6; padding: 0.3rem 0; overflow: visible; letter-spacing: 0.03em; }

  .card-actions { display: flex; align-items: center; justify-content: flex-end; gap: 0.5rem; margin-top: 0.75rem; }
  .copy-btn {
    background: var(--signal); border: 1.5px solid var(--signal);
    border-radius: 8px; color: #fff;
    font-family: var(--font); font-size: 0.66rem; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.45rem 1rem; cursor: pointer; white-space: nowrap;
  }
  .copy-btn:hover { background: var(--signal-dark); border-color: var(--signal-dark); }
  .copy-btn.done { background: var(--success); border-color: var(--success); }
  .favorite-btn { background: none; border: 1.5px solid var(--line); border-radius: 8px; cursor: pointer; font-size: 0.95rem; color: var(--ink-3); padding: 0.35rem 0.6rem; line-height: 1; }
  .favorite-btn:hover { color: var(--rose); border-color: var(--rose); }
  .favorite-btn.faved { color: var(--rose); border-color: var(--rose); }

  .empty-state { text-align: center; padding: 3rem 1rem; color: var(--ink-3); font-family: var(--font); font-size: 0.85rem; }

  /* ============================================================
     CONTENT SECTIONS — SEO content (kept), mobile-first single column
  ============================================================ */
  .content-outer { background: var(--surface); border-top: 1px solid var(--line); margin-top: 0.5rem; }
  .content-inner { max-width: var(--max-w); margin: 0 auto; padding: 3.25rem 1.1rem; }
  @media (min-width: 700px) { .content-inner { padding: 4.5rem 2rem; } }
  .content-inner > div { content-visibility: auto; contain-intrinsic-size: 0 900px; }

  .content-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
  @media (min-width: 800px) { .content-grid { grid-template-columns: 1fr 1fr; gap: 2.75rem; align-items: start; } }

  .article-eyebrow {
    font-family: var(--font); font-size: 0.66rem; font-weight: 700;
    letter-spacing: 0.11em; text-transform: uppercase; color: var(--signal);
    margin-bottom: 0.7rem; display: flex; align-items: center; gap: 0.5rem;
  }
  .article-eyebrow::before { content: ''; display: inline-block; width: 16px; height: 2px; background: var(--signal); border-radius: 2px; }

  .article h2 { font-family: var(--font); font-weight: 800; font-size: clamp(1.4rem, 4vw, 1.9rem); color: var(--ink); line-height: 1.22; letter-spacing: -0.02em; margin-bottom: 1rem; }
  .article h3 { font-family: var(--font); font-weight: 700; font-size: 1.05rem; color: var(--ink); margin: 1.3rem 0 0.55rem; letter-spacing: -0.01em; }
  .article p { font-family: var(--font); font-size: 0.92rem; color: var(--ink-2); line-height: 1.8; margin-bottom: 0.9rem; }
  .article ul, .article ol { padding-left: 1.2rem; margin-bottom: 0.9rem; }
  .article ul li, .article ol li { font-family: var(--font); font-size: 0.9rem; color: var(--ink-2); line-height: 1.75; margin-bottom: 0.4rem; }
  .article strong { color: var(--ink); font-weight: 700; }

  .usecase-grid { display: grid; grid-template-columns: 1fr; gap: 0.75rem; margin: 1.4rem 0; }
  @media (min-width: 560px) { .usecase-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1000px) { .usecase-grid { grid-template-columns: repeat(3, 1fr); } }

  .usecase-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--card-shadow); transition: transform 0.15s ease, box-shadow 0.15s ease; }
  .usecase-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
  .usecase-icon { font-size: 1.3rem; margin-bottom: 0.55rem; display: block; }
  .usecase-card h4 { font-family: var(--font); font-size: 0.86rem; font-weight: 700; color: var(--ink); margin-bottom: 0.35rem; }
  .usecase-card p { font-family: var(--font); font-size: 0.78rem; color: var(--ink-2); line-height: 1.7; margin: 0; }

  .platform-table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-family: var(--font); display: block; overflow-x: auto; white-space: nowrap; }
  .platform-table th { background: var(--signal-soft); color: var(--signal-dark); font-size: 0.64rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; padding: 0.6rem 0.9rem; text-align: left; border-bottom: 2px solid var(--line-strong); }
  .platform-table td { padding: 0.65rem 0.9rem; font-size: 0.8rem; color: var(--ink-2); border-bottom: 1px solid var(--line); white-space: normal; }
  @media (min-width: 700px) { .platform-table { display: table; white-space: normal; } }

  .highlight-box { background: var(--signal-soft); border-left: 3px solid var(--signal); border-radius: 0 10px 10px 0; padding: 1rem 1.2rem; margin: 1.4rem 0; font-family: var(--font); font-size: 0.86rem; color: var(--ink); line-height: 1.75; }

  .content-illustration { width: 100%; height: auto; display: block; margin: 0 0 2.25rem; }
  .specimen-wall { width: 100%; height: auto; display: block; margin: 1.5rem 0 0.5rem; }
  .specimen-wall text { font-family: var(--font); }

  /* HOW IT WORKS — numbering kept (it's a real ordered process) */
  .how-section { max-width: var(--max-w); margin: 0 auto; padding: 3rem 1.1rem; }
  @media (min-width: 700px) { .how-section { padding: 4rem 2rem; } }
  .how-grid { display: grid; grid-template-columns: 1fr; gap: 0.85rem; margin-top: 1.5rem; position: relative; }
  @media (min-width: 560px) { .how-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1000px) {
    .how-grid { grid-template-columns: repeat(4, 1fr); }
    .how-grid::before { content: ''; position: absolute; top: 2.4rem; left: 6%; right: 6%; height: 1px; background: var(--line-strong); z-index: 0; }
  }
  .how-card { position: relative; z-index: 1; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; box-shadow: var(--card-shadow); transition: transform 0.15s ease, box-shadow 0.15s ease; }
  .how-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
  .how-num { font-family: var(--font); font-size: 1.7rem; font-weight: 800; color: #fff; background: var(--signal); line-height: 1; margin-bottom: 0.75rem; display: inline-flex; align-items: center; justify-content: center; width: 2.4rem; height: 2.4rem; border-radius: 50%; }
  .how-card h3 { font-family: var(--font); font-size: 0.88rem; font-weight: 700; color: var(--ink); margin-bottom: 0.35rem; }
  .how-card p { font-family: var(--font); font-size: 0.78rem; color: var(--ink-2); line-height: 1.75; }

  /* ============================================================
     FAQ
  ============================================================ */
  .faq-section { max-width: var(--max-w); margin: 0 auto; padding: 3rem 1.1rem; }
  @media (min-width: 700px) { .faq-section { padding: 4rem 2rem; } }
  .faq-list { margin-top: 1.5rem; display: grid; gap: 0.55rem; content-visibility: auto; contain-intrinsic-size: 0 700px; }
  .faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .faq-q { width: 100%; background: none; border: none; padding: 0.95rem 1.1rem; text-align: left; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-family: var(--font); font-size: 0.84rem; font-weight: 600; color: var(--ink); }
  .faq-q:hover { color: var(--signal); }
  .faq-icon { font-size: 1rem; color: var(--signal); flex-shrink: 0; transition: transform 0.2s; }
  .faq-q.open .faq-icon { transform: rotate(45deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height 0.25s ease, padding 0.25s ease; font-family: var(--font); font-size: 0.84rem; color: var(--ink-2); line-height: 1.8; padding: 0 1.1rem; }
  .faq-a.open { max-height: 280px; padding: 0 1.1rem 1.05rem; }

  /* ============================================================
     FOOTER
  ============================================================ */
  footer { border-top: 1px solid var(--line); padding: 2.5rem 1.1rem 1.75rem; background: var(--surface); }
  .footer-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 2rem; }
  @media (min-width: 700px) { .footer-inner { grid-template-columns: 1.8fr 1fr 1fr; } }
  .footer-brand .logo { font-size: 1.05rem; }
  .footer-brand p { font-family: var(--font); font-size: 0.8rem; color: var(--ink-2); margin-top: 0.8rem; line-height: 1.75; max-width: 280px; }
  .footer-col h4 { font-family: var(--font); font-size: 0.64rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 0.9rem; }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 0.5rem; }
  .footer-col ul a { font-family: var(--font); font-size: 0.8rem; color: var(--ink-2); text-decoration: none; }
  .footer-col ul a:hover { color: var(--signal); }
  .footer-bottom { max-width: var(--max-w); margin: 1.75rem auto 0; padding-top: 1.4rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.9rem; }
  .footer-bottom p { font-family: var(--font); font-size: 0.7rem; color: var(--ink-3); }
  .footer-bottom a { color: var(--ink-3); text-decoration: none; }
  .footer-bottom a:hover { color: var(--signal); }

  .social-links { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 0.2rem; }
  .social-link { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font); font-size: 0.8rem; color: var(--ink-2); text-decoration: none; padding: 0.38rem 0.8rem; background: var(--bg2); border: 1px solid var(--line); border-radius: 100px; }
  .social-link:hover { color: var(--signal); border-color: var(--signal); }
  .social-link .s-icon { font-size: 0.95rem; line-height: 1; }

  /* ============================================================
     TOAST & BACK-TO-TOP
  ============================================================ */
  .toast { position: fixed; bottom: 1.25rem; left: 1rem; right: 1rem; text-align: center; background: var(--success); color: #fff; font-family: var(--font); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 0.75rem 1.1rem; border-radius: 10px; opacity: 0; transform: translateY(8px); transition: opacity 0.2s, transform 0.2s; pointer-events: none; z-index: 999; }
  .toast.show { opacity: 1; transform: translateY(0); }
  @media (min-width: 700px) { .toast { left: 2rem; right: auto; text-align: left; } }

  .back-top { position: fixed; bottom: 1.25rem; right: 1rem; background: var(--surface); border: 1.5px solid var(--line-strong); border-radius: 8px; color: var(--signal); font-family: var(--font); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.07em; padding: 0.5rem 0.75rem; cursor: pointer; text-decoration: none; display: none; box-shadow: var(--card-shadow); }
  .back-top.visible { display: block; }
  .back-top:hover { background: var(--signal); color: #fff; border-color: var(--signal); }

  .loading { display: flex; gap: 5px; padding: 2rem 0; }
  .loading span { width: 7px; height: 7px; background: var(--signal); border-radius: 50%; animation: pulse 0.9s ease-in-out infinite; }
  .loading span:nth-child(2) { animation-delay: 0.15s; }
  .loading span:nth-child(3) { animation-delay: 0.3s; }
  @keyframes pulse { 0%,100%{opacity:.2;transform:scale(.8)} 50%{opacity:1;transform:scale(1)} }