@import "../brand/tokens/tokens.css";

@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("../brand/fonts/IBMPlexSans-Regular.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("../brand/fonts/IBMPlexSans-Medium.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 700; font-style: normal; font-display: swap; src: url("../brand/fonts/IBMPlexSans-Bold.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("../brand/fonts/IBMPlexMono-Regular.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("../brand/fonts/IBMPlexMono-Medium.woff2") format("woff2"); }

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

[hidden] { display: none !important; }

body { margin: 0; font-family: var(--spark-font-family-sans); line-height: 1.5; color: var(--spark-fg); background: var(--spark-canvas); }

img { display: block; max-width: 100%; }

a { color: var(--spark-accent-fg); }

a:hover { color: var(--spark-fg); }

:focus-visible { outline: 3px solid var(--spark-focus); outline-offset: 2px; }

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

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

.label-mono, .eyebrow { margin: 0; font-family: var(--spark-font-family-mono); font-size: 12px; letter-spacing: var(--spark-font-tracking-label); text-transform: uppercase; }

.eyebrow { font-size: 13px; color: var(--spark-color-cyan); }

.site-header { background: var(--spark-color-ink); border-bottom: 1px solid var(--spark-color-ink-line); }

.site-header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; min-height: 60px; }

.brand-link { display: flex; align-items: center; min-height: 44px; }

.brand-logo { height: 32px; width: auto; }

.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0 24px; }

.site-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--spark-color-cloud); font-size: 15px; font-weight: 500; text-decoration: none; }

.site-nav a:hover { color: var(--spark-color-white); }

.site-nav .nav-external { color: var(--spark-color-cyan); }

.hero { position: relative; overflow: hidden; background: var(--spark-color-ink); }

.hero-marks { position: absolute; right: -60px; top: 16px; width: 180px; height: 180px; }

.hero-marks span { position: absolute; width: 52px; height: 52px; border-radius: 10px; background: color-mix(in srgb, var(--spark-color-cyan) 10%, var(--spark-color-ink)); }

.hero-marks span:nth-child(1) { left: 60px; top: 0; }
.hero-marks span:nth-child(2) { left: 0; top: 60px; }
.hero-marks span:nth-child(3) { left: 60px; top: 60px; background: color-mix(in srgb, var(--spark-color-amber) 10%, var(--spark-color-ink)); }
.hero-marks span:nth-child(4) { left: 120px; top: 60px; }
.hero-marks span:nth-child(5) { left: 60px; top: 120px; }

.hero-inner { position: relative; display: flex; flex-direction: column; gap: 16px; padding-top: 36px; padding-bottom: 112px; }

.hero h1 { margin: 0; font-size: 34px; line-height: 1.15; font-weight: 700; color: var(--spark-color-white); }

.lead { margin: 0; font-size: 17px; color: var(--spark-color-mist); }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 0; padding: 0; list-style: none; }

.pills li { padding: 6px 12px; border: 1px solid var(--spark-color-ink-line); border-radius: var(--spark-radius-pill); background: var(--spark-color-ink-raised); color: var(--spark-color-cloud); font-size: 13px; font-weight: 500; }

.pills li::before { content: "✓"; margin-right: 8px; color: var(--spark-color-cyan); }

@media (min-width: 768px) {
  .wrap { padding: 0 40px; }
  .site-header-inner { min-height: 72px; }
  .brand-logo { height: 40px; }
  .hero-marks { right: -40px; top: 40px; width: 420px; height: 420px; }
  .hero-marks span { width: 120px; height: 120px; border-radius: 18px; }
  .hero-marks span:nth-child(1) { left: 140px; top: 0; }
  .hero-marks span:nth-child(2) { left: 0; top: 140px; }
  .hero-marks span:nth-child(3) { left: 140px; top: 140px; }
  .hero-marks span:nth-child(4) { left: 280px; top: 140px; }
  .hero-marks span:nth-child(5) { left: 140px; top: 280px; }
  .hero-inner { gap: 24px; padding-top: 72px; padding-bottom: 168px; }
  .hero h1 { max-width: 760px; font-size: 56px; line-height: 1.1; letter-spacing: -0.01em; }
  .lead { max-width: 620px; font-size: 20px; line-height: 1.55; }
  .pills { gap: 12px; margin-top: 8px; }
  .pills li { padding: 8px 14px; font-size: 14px; }
}

.generator-wrap { position: relative; margin: -80px auto 0; }

.generator { display: flex; flex-wrap: wrap; overflow: hidden; background: var(--spark-canvas); border: 1px solid var(--spark-line); border-radius: var(--spark-radius-card); box-shadow: var(--spark-shadow-lg); }

.panel { flex: 1 1 360px; display: flex; flex-direction: column; gap: 24px; min-width: 0; padding: 24px 20px; }

.panel-preview { background: var(--spark-surface); }

.step { display: flex; flex-direction: column; gap: 14px; }

.label-mono { color: var(--spark-fg-muted); }

.step-no { color: var(--spark-accent-fg); font-weight: 500; }

.optional { text-transform: none; letter-spacing: 0; }

.field-label { font-size: 15px; font-weight: 500; }

.hint { margin: 0; font-size: 14px; color: var(--spark-fg-muted); }

button, select, input[type="file"], textarea { min-height: 44px; font-size: 16px; }

textarea { width: 100%; padding: 12px 14px; border: 2px solid var(--spark-line); border-radius: var(--spark-radius-control); font-family: var(--spark-font-family-mono); color: var(--spark-fg); background: var(--spark-canvas); resize: vertical; }

textarea:focus { border-color: var(--spark-focus); outline: 3px solid color-mix(in srgb, var(--spark-color-cyan) 25%, transparent); outline-offset: 0; }

.step:has(.error:not([hidden])) textarea { border-color: var(--spark-danger); }

.error { display: flex; margin: 0; padding: 12px; border-radius: var(--spark-radius-control); background: color-mix(in srgb, var(--spark-color-red-deep) 6%, var(--spark-color-white)); color: var(--spark-danger); font-size: 14px; font-weight: 500; }

.segmented, .size-options { position: relative; }

.segmented input, .size-options input { position: absolute; opacity: 0; pointer-events: none; }

.segmented { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; margin: 0; padding: 4px; border: 0; border-radius: 10px; background: var(--spark-surface); }

.segmented label { display: flex; align-items: center; justify-content: center; min-height: 44px; border-radius: var(--spark-radius-control); color: var(--spark-fg-muted); font-size: 15px; font-weight: 500; cursor: pointer; }

.segmented input:checked + label { background: var(--spark-canvas); color: var(--spark-fg); font-weight: 700; box-shadow: var(--spark-shadow-sm); }

.segmented input:focus-visible + label, .size-options input:focus-visible + label { outline: 3px solid var(--spark-focus); outline-offset: 2px; }

.dropzone { display: flex; align-items: center; justify-content: center; min-height: 112px; border: 2px dashed var(--spark-line); border-radius: var(--spark-radius-card); background: var(--spark-surface); font-size: 15px; font-weight: 500; cursor: pointer; }

#logo-input:focus-visible ~ .dropzone, #logo-input:focus-visible ~ .logo-card { outline: 3px solid var(--spark-focus); outline-offset: 2px; }

.logo-card { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 16px; border: 1px solid var(--spark-line); border-radius: var(--spark-radius-card); background: var(--spark-canvas); }

.logo-thumb { display: flex; align-items: center; justify-content: center; flex: 0 0 64px; width: 64px; height: 64px; border-radius: var(--spark-radius-control); background: var(--spark-surface); }

.logo-thumb img { max-width: 44px; max-height: 44px; }

.logo-info { display: flex; flex: 1 1 140px; flex-direction: column; min-width: 0; }

.logo-name { overflow: hidden; font-size: 15px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }

.logo-meta { font-family: var(--spark-font-family-mono); font-size: 13px; color: var(--spark-fg-muted); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 0 16px; border: 1px solid transparent; border-radius: var(--spark-radius-control); font-family: inherit; font-size: 15px; font-weight: 500; cursor: pointer; }

.btn-secondary { border-color: var(--spark-line); background: var(--spark-canvas); color: var(--spark-fg); }

.btn-danger { background: transparent; color: var(--spark-danger); }

.preview-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--spark-line); border-radius: var(--spark-radius-pill); background: var(--spark-canvas); font-family: var(--spark-font-family-mono); font-size: 12px; color: var(--spark-success); }

.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--spark-success); }

.preview-box { align-self: center; width: 100%; max-width: 340px; padding: 20px; border: 1px solid var(--spark-line); border-radius: var(--spark-radius-card); background: var(--spark-canvas); }

#preview svg { display: block; width: 100%; height: auto; }

#preview:empty { display: none; }

.placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; min-height: 200px; margin: 0; border: 2px dashed var(--spark-line); border-radius: var(--spark-radius-control); color: var(--spark-fg-muted); font-size: 14px; text-align: center; }

.placeholder::before { content: ""; width: 56px; height: 56px; background: url("../brand/logo/spark-mark-color.svg") center / contain no-repeat; opacity: 0.25; }

.size-group { min-width: 0; margin: 0; padding: 0; border: 0; }

.size-group legend { margin-bottom: 8px; padding: 0; font-size: 14px; font-weight: 500; }

.size-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }

.size-options label { display: flex; align-items: center; justify-content: center; min-height: 44px; border: 1px solid var(--spark-line); border-radius: var(--spark-radius-control); background: var(--spark-canvas); font-family: var(--spark-font-family-mono); font-size: 14px; cursor: pointer; }

.size-options input:checked + label { border: 2px solid var(--spark-color-ink); background: var(--spark-color-ink); color: var(--spark-color-white); font-weight: 500; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn-primary, .btn-outline { flex: 1 1 140px; min-height: 52px; font-size: 16px; font-weight: 700; }

.btn-primary { background: var(--spark-accent); color: var(--spark-on-accent); }

.btn-outline { border: 2px solid var(--spark-color-ink); background: var(--spark-canvas); color: var(--spark-fg); }

.btn-primary::before, .btn-outline::before { content: ""; width: 18px; height: 18px; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4v12M6 10l6 6 6-6M4 20h16'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4v12M6 10l6 6 6-6M4 20h16'/%3E%3C/svg%3E") center / contain no-repeat; }

.btn:disabled { border-color: var(--spark-line); background: var(--spark-line); color: var(--spark-fg-muted); cursor: not-allowed; }

@media (min-width: 768px) {
  .generator-wrap { margin-top: -120px; }
  .panel { gap: 32px; padding: 40px; }
  .panel-form { flex-basis: 480px; }
  .panel-preview { flex-basis: 400px; }
  .step { gap: 16px; }
}

.section { display: flex; flex-direction: column; gap: 24px; padding-top: 64px; padding-bottom: 24px; }

.eyebrow-dark { margin: 0; font-family: var(--spark-font-family-mono); font-size: 13px; letter-spacing: var(--spark-font-tracking-label); text-transform: uppercase; color: var(--spark-accent-fg); }

.section h2 { margin: 0; font-size: 26px; line-height: 1.2; font-weight: 700; }

.steps { display: flex; flex-wrap: wrap; gap: 16px; margin: 0; padding: 0; list-style: none; }

.step-card { display: flex; flex: 1 1 260px; flex-direction: column; gap: 12px; padding: 24px; border-radius: var(--spark-radius-card); background: var(--spark-surface); }

.step-num { font-family: var(--spark-font-family-mono); font-size: 32px; font-weight: 500; color: var(--spark-accent-fg); }

.step-card h3 { margin: 0; font-size: 20px; font-weight: 700; }

.step-card p { margin: 0; color: var(--spark-fg-muted); }

.faq { flex-direction: row; flex-wrap: wrap; gap: 32px 48px; padding-top: 48px; padding-bottom: 48px; }

.faq-intro { display: flex; flex: 1 1 280px; flex-direction: column; gap: 12px; }

.faq-intro p { margin: 0; color: var(--spark-fg-muted); }

.faq-list { flex: 2 1 480px; min-width: 0; border-top: 1px solid var(--spark-line); }

.faq-list details { padding: 20px 0; border-bottom: 1px solid var(--spark-line); }

.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; font-size: 18px; font-weight: 500; cursor: pointer; list-style: none; }

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after { content: "+"; flex: 0 0 auto; font-size: 24px; line-height: 1; }

.faq-list details[open] summary::after { content: "−"; }

.faq-list details p { margin: 12px 0 0; max-width: 640px; color: var(--spark-fg-muted); }

.promo-wrap { padding-bottom: 48px; }

.promo { position: relative; overflow: hidden; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px; padding: 32px 24px; border-radius: var(--spark-radius-card); background: var(--spark-color-ink); }

.promo-text { display: flex; flex: 1 1 360px; flex-direction: column; gap: 16px; min-width: 0; }

.promo h2 { margin: 0; font-size: 26px; line-height: 1.2; font-weight: 700; color: var(--spark-color-white); }

.promo p { margin: 0; max-width: 600px; font-size: 17px; color: var(--spark-color-mist); }

.promo .eyebrow { color: var(--spark-color-cyan); }

.btn-accent { align-self: flex-start; margin-top: 8px; min-height: 52px; padding: 0 24px; background: var(--spark-highlight); color: var(--spark-on-highlight); font-size: 16px; font-weight: 700; text-decoration: none; }

.btn-accent:hover { color: var(--spark-on-highlight); }

.promo-mark { flex: 0 0 auto; width: 120px; height: 120px; }

.site-footer { border-top: 1px solid var(--spark-line); }

.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; padding-top: 24px; padding-bottom: 24px; }

.footer-logo { height: 32px; width: auto; }

.footer-inner p { margin: 0; font-size: 14px; color: var(--spark-fg-muted); }

@media (min-width: 768px) {
  .section { padding-top: 96px; }
  .section h2 { font-size: 36px; }
  .step-card { padding: 32px; }
  .faq { padding-top: 72px; padding-bottom: 72px; }
  .promo { padding: 48px; }
  .promo h2 { font-size: 32px; }
  .promo-mark { width: 168px; height: 168px; }
}