.container--prose { max-width: 68rem; }
.container--card { max-width: 56rem; }

/* Hero */
  .hero { padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(4rem, 8vw, 5.5rem); }
  .hero-inner { max-width: 56rem; margin: 0 auto; text-align: center; }
  .hero h1 { font-family: var(--font-serif); font-size: clamp(3.5rem, 8vw, 6.5rem); line-height: .95; margin: 1.25rem 0 0; letter-spacing: -.02em; }
  .hero .sub { color: var(--text-secondary); font-size: clamp(1.05rem, 2vw, 1.2rem); line-height: 1.5; margin: 1.5rem auto 0; max-width: 34rem; }
  .hero .cta-row { display: flex; gap: 1.25rem; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }
  .badge {
    display: inline-flex; align-items: center; gap: .5rem;
    border: 1px solid var(--border); background: rgba(255,255,255,.6);
    padding: .35rem .8rem; border-radius: 9999px; font-size: .8rem; font-weight: 500; color: var(--text-secondary); backdrop-filter: blur(8px);
  }
  .badge-dot { width: .4rem; height: .4rem; border-radius: 9999px; background: var(--gradient-arc); }

  /* Landing demo SYKs (preview frame + syk-card; matches creator/reader) */
  .landing-demo-wrap {
    position: relative;
    width: 100%;
    max-width: var(--syk-column-max);
    min-width: 0;
    margin: 3rem auto 0;
    text-align: left;
  }
  #examples .landing-demo-wrap { margin: 2.5rem auto 0; }
  .landing-demo-wrap .preview-frame-url-part { color: var(--text-secondary); }
  /* Hero h1 uses serif for marketing headline; SYK card title stays Inter */
  .hero .landing-demo .syk-title {
    font-family: Inter, system-ui, sans-serif;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.015em;
  }

  .preview-quote { font-family: var(--font-serif); font-size: 1.65rem; line-height: 1.3; margin: 0; }
  .chips { display: grid; gap: .6rem; grid-template-columns: repeat(2, 1fr); margin-top: 1.5rem; }
  @media (min-width: 640px) { .chips { grid-template-columns: repeat(4, 1fr); } }
  .chip { border: 1px solid var(--border); background: rgba(0,0,0,.025); padding: .55rem .75rem; border-radius: .7rem; font-size: .85rem; font-weight: 500; color: var(--text-secondary); }

  /* Section */
  section { padding: clamp(4rem, 8vw, 6rem) 0; }
  #examples { padding-bottom: clamp(2rem, 4vw, 3rem); }
  .section-intro { text-align: center; }
  .section-intro .title { max-width: 52rem; margin-left: auto; margin-right: auto; }
  h2.title { font-family: var(--font-serif); font-size: clamp(2.25rem, 4.5vw, 3.25rem); line-height: 1.1; margin: 1rem 0 0; letter-spacing: -.02em; }
  .two-col { display: grid; gap: clamp(1.5rem, 4vw, 3rem); margin-top: 2.5rem; align-items: start; text-align: center; max-width: 52rem; margin-left: auto; margin-right: auto; }
  @media (min-width: 768px) { .two-col { grid-template-columns: 1fr 1fr; } }
  .two-col .muted { margin: 0; }
  .muted { color: var(--text-secondary); font-size: clamp(1rem, 1.5vw, 1.125rem); line-height: 1.6; }

  /* Examples */
  .tabs { display: flex; flex-wrap: wrap; gap: .5rem; }
  .tab {
    border: 1px solid var(--border); background: rgba(255,255,255,.6);
    color: var(--text-secondary); padding: .55rem 1rem; border-radius: 9999px; font-size: .85rem; font-weight: 500;
    transition: all .2s;
  }
  .tab:hover { color: var(--fg); }
  .tab.active { background: var(--fg); color: var(--bg); border-color: transparent; }
  .example-head {
    display: flex; flex-direction: column; align-items: center;
    gap: 1.5rem; text-align: center;
  }
  .example-head .tabs { justify-content: center; }

  .landing-example-intro {
    max-width: var(--syk-column-max);
    margin: 0 auto 1.25rem;
    text-align: center;
  }
  .landing-example-intro-title {
    margin: 0;
    font-family: "Instrument Serif", Georgia, serif;
    font-size: clamp(1.35rem, 2.5vw, 1.65rem);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--fg);
  }
  .landing-example-intro-setup {
    margin: 0.45rem 0 0;
    font-size: 0.95rem;
    line-height: 1.45;
    color: var(--text-secondary);
  }

  /* Demo-only blocks (no creator equivalent yet) */
  .landing-demo .video-thumb::after {
    background: var(--g, linear-gradient(135deg, rgba(255,162,75,.4), rgba(162,89,255,.4)));
  }
  .landing-demo .file-icon {
    width: 2rem; height: 2.4rem; border-radius: .35rem; background: #fff;
    border: 1px solid var(--border); position: relative; flex-shrink: 0;
    display: grid; place-items: end center; font-size: .5rem; font-weight: 700;
    padding-bottom: .2rem; color: #fff; letter-spacing: .03em;
  }
  .landing-demo .file-icon::before {
    content: ""; position: absolute; top: 0; right: 0;
    width: .5rem; height: .5rem; background: var(--bg);
    border-left: 1px solid var(--border); border-bottom: 1px solid var(--border);
  }
  .landing-demo .file-icon.pdf { background: linear-gradient(180deg, #fff 55%, #ff5a7a 55%); }
  .landing-demo .file-icon.doc { background: linear-gradient(180deg, #fff 55%, #5aa9ff 55%); }
  .landing-demo .file-icon.img { background: linear-gradient(180deg, #fff 55%, #a259ff 55%); }
  .landing-demo .file-icon.sheet { background: linear-gradient(180deg, #fff 55%, #34c081 55%); }
  .landing-demo .pay-card {
    background: linear-gradient(135deg, rgba(255,162,75,.1), rgba(162,89,255,.1));
    border: 1px solid rgba(162,89,255,.25); border-radius: 1rem; padding: 1rem 1.1rem;
  }
  .landing-demo .pay-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap;
  }
  .landing-demo .pay-amount {
    font-size: 1.5rem; font-weight: 600; line-height: 1; letter-spacing: -.02em;
  }
  .landing-demo .pay-due {
    font-size: .8rem; font-weight: 500; color: var(--text-secondary); margin-top: .25rem;
  }
  .landing-demo .pay-btn {
    background: var(--fg); color: var(--bg); border: 0;
    padding: .55rem 1rem; border-radius: 9999px;
    font-size: .8rem; font-weight: 500; cursor: pointer;
  }
  .landing-demo .pay-url {
    margin-top: .7rem; padding: .25rem .5rem; background: rgba(0,0,0,.04);
    border-radius: .35rem; font-family: ui-monospace, monospace;
    font-size: .75rem; font-weight: 500; color: var(--text-secondary);
    overflow-wrap: anywhere;
  }




  /* How it works bridge (between examples and comparison) */
  .section-bridge {
    padding: clamp(1.25rem, 2.5vw, 1.75rem) 0;
  }
  .section-bridge .section-intro .title {
    margin-top: 0;
    font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  }
  .section-bridge .section-intro .muted {
    margin: 0.65rem auto 0;
    max-width: 34rem;
  }
  .section-bridge .syk-flow {
    margin-top: 1rem;
  }
  .section-bridge + section {
    padding-top: clamp(2rem, 4vw, 3rem);
  }

  .syk-flow {
    margin: 2rem auto 0;
    max-width: 52rem;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
  }

  /* Message vs SYK comparison */
  .vs-section { padding-bottom: clamp(3rem, 6vw, 4.5rem); }
  .vs-compare {
    display: grid;
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
    max-width: var(--syk-column-max);
    margin: 0 auto;
  }
  @media (min-width: 768px) {
    .vs-compare { grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2rem); }
  }
  .vs-col { display: flex; flex-direction: column; min-width: 0; }
  .vs-col-label {
    margin: 0 0 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
    text-align: center;
  }
  .vs-col-caption {
    margin: 1rem 0 0;
    font-size: 0.95rem;
    line-height: 1.45;
    color: var(--text-secondary);
    text-align: center;
  }
  .vs-message-thread {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(0, 0, 0, 0.025);
    border: 1px solid var(--border);
  }
  .vs-message-bubble {
    align-self: flex-start;
    max-width: 92%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 0.85rem;
    background: #fff;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--fg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  }
  .vs-message-link {
    display: block;
    margin-top: 0.2rem;
    color: #2563eb;
    text-decoration: underline;
    text-underline-offset: 2px;
    overflow-wrap: anywhere;
  }
  .vs-syk-mini { flex: 1; min-width: 0; }
  .vs-syk-mini .preview-frame-wrap { margin: 0; }
  .vs-syk-mini .preview-frame-glow-host { display: none; }
  .vs-syk-mini .preview-frame-body .syk-card {
    padding: 1rem 1.15rem 1.15rem;
  }
  .vs-syk-mini .syk-title {
    font-size: 1.05rem;
    margin: 0;
  }
  .vs-syk-mini .syk-section-label {
    font-size: 0.72rem;
    margin-bottom: 0.65rem;
  }
  .vs-syk-mini .syk-section-label svg {
    width: 0.85rem;
    height: 0.85rem;
  }
  .vs-syk-mini .item-card { padding: 0.65rem 0.75rem; }
  .vs-syk-mini .video-thumb { width: 4.5rem; height: 2.75rem; }
  .vs-syk-mini .item-title { font-size: 0.85rem; }
  .vs-syk-mini .item-meta { font-size: 0.75rem; }
  .vs-syk-mini .notes-block { padding: 0.75rem 0.85rem; }
  .vs-syk-mini .syk-text-content { font-size: 0.85rem; }
  .vs-syk-mini .pay-card { padding: 0.75rem 0.85rem; }
  .vs-syk-mini .pay-amount { font-size: 1.15rem; }
  .vs-syk-mini .pay-btn {
    padding: 0.45rem 0.75rem;
    font-size: 0.72rem;
  }

  /* Waitlist */
  .waitlist { width: 100%; max-width: 52rem; margin: 0 auto; text-align: center; }
  .waitlist h2 { font-family: var(--font-serif); font-size: clamp(2.5rem, 5vw, 3.75rem); line-height: 1.05; margin: 1rem 0 0; letter-spacing: -.02em; }
  .form { display: flex; flex-direction: column; gap: .6rem; width: 100%; max-width: 36rem; margin: 2.5rem auto 0; }
  @media (min-width: 560px) { .form { flex-direction: row; } }
  .form input {
    flex: 1; padding: .85rem 1.25rem; border-radius: 9999px;
    border: 1px solid var(--border); background: rgba(255,255,255,.8);
    font-family: inherit; font-size: 1rem; outline: none; backdrop-filter: blur(8px);
    transition: border-color .2s;
  }
  .form input:focus { border-color: rgba(22,19,31,.3); }

  @media (max-width: 767px) {
    .badge,
    .tab,
    .vs-message-bubble,
    .form input {
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      background: rgba(255, 255, 255, 0.92);
    }
  }