/* ── Reset & base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-white-gradient: linear-gradient(180deg, #ffffff 0%, #e7e9e9 27%, #cacccc 77%, #c7c7c7 100%);
  --color-orange-gradient: linear-gradient(180deg, #ca4b20 25%, #c94a21 50%, #b74321 73%, #a53c21 100%);
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e8e8e8;
  --color-gray-500: #888888;
  --font-mono: "JetBrains Mono", "Courier New", Courier, monospace;
  --header-h: 56px;
  --max-w: 960px;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-96: 96px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-mono);
  background: var(--color-white);
  color: var(--color-black);
  font-size: 8pt;
  font-weight: 200;
  line-height: 1.6;
}

/* ── Arrow ── */
.arrow {
  position: relative;
  top: -2px;
}

/* ── Hero ── */
.hero {
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-96) var(--space-32);
}

.hero-inner {
  max-width: var(--max-w);
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-48);
}

.hero-logo {
  display: block;
}

.hero-label {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

.hero-taglines {
  display: flex;
  flex-direction: column;
  gap: var(--space-48);
}

.hero-taglines p {
  font-size: clamp(16pt, 3.5vw, 28pt);
  font-weight: 200;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-black);
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-black);
  text-decoration: none;
  padding: var(--space-8) var(--space-24);
  align-self: flex-start;
  margin-top: var(--space-16);
  transition: opacity 0.15s;
}
.hero-cta:hover {
  opacity: 0.7;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-32);
}

.site-header a {
  text-decoration: none;
  color: inherit;
}
.site-header img {
  display: block;
}

.site-nav {
  display: flex;
  gap: var(--space-32);
  list-style: none;
}

.site-nav a {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  transition: color 0.15s;
}
.site-nav a:hover {
  color: var(--color-black);
}

/* ── Sections ── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-96) var(--space-32);
  border-bottom: 1px solid var(--color-gray-200);
}
.section:last-of-type {
  border-bottom: none;
}

.section-label {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--space-48);
}

/* ── Logo section ── */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-16);
}

.logo-card {
  border: 1px solid var(--color-gray-200);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.logo-card--dark {
  background: var(--color-black);
}

.logo-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
}

.logo-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-name,
.download-separator {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

.logo-downloads {
  display: flex;
  align-items: baseline;
  gap: var(--space-8);
}

.logo-card--dark {
  .logo-name,
  .download-separator {
    color: #666;
  }
}

.download-link {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-black);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: 1px;
  transition: border-color 0.15s;
}
.download-link:hover {
  border-color: var(--color-black);
}
.logo-card--dark .download-link {
  color: var(--color-white);
  border-color: #444;
}
.logo-card--dark .download-link:hover {
  border-color: var(--color-white);
}

/* ── Colors section ── */
.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-16);
}

.color-box {
  aspect-ratio: 1;
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  text-transform: uppercase;
}

.color-hex {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.05em;
  color: inherit;
}

.color-copied-toast {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-black);
  color: var(--color-white);
  padding: 4px 8px;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  white-space: nowrap;
}
.color-swatch.show-toast .color-copied-toast {
  opacity: 1;
}

/* ── Typography section ── */
.type-specimens {
  display: flex;
  flex-direction: column;
  gap: var(--space-48);
}

.type-specimen {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-32);
  align-items: baseline;
  padding-bottom: var(--space-48);
  border-bottom: 1px solid var(--color-gray-200);
}
.type-specimen:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.type-meta {
  font-size: 7pt;
  font-weight: 200;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.type-sample {
  font-family: var(--font-mono);
  color: var(--color-black);
  line-height: 1.2;
}

/* ── Signature section ── */
.signature-preview-wrap {
  border: 1px solid var(--color-gray-200);
  padding: var(--space-32);
  display: inline-block;
  margin-bottom: var(--space-24);
}

.signature-cta {
  display: flex;
  align-items: center;
  gap: var(--space-32);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8pt;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-black);
  color: var(--color-white);
  text-decoration: none;
  padding: var(--space-8) var(--space-24);
  transition: opacity 0.15s;
}
.btn-primary:hover {
  opacity: 0.75;
}

.signature-note {
  font-size: 7pt;
  font-weight: 200;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-16) var(--space-32);
  font-size: 7pt;
  font-weight: 200;
  color: var(--color-gray-500);
  display: flex;
  justify-content: space-between;
  max-width: 100%;
}
.site-footer a {
  color: inherit;
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--color-black);
}

/* ── Body layout variants ── */
body.layout-flex-col {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.layout-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: var(--space-32);
  text-align: center;
}

/* ── Signature page main ── */
.signature-main {
  flex: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-48) var(--space-32);
  width: 100%;
}

/* ── Page title (h1 on content pages) ── */
.page-title {
  font-size: 10pt;
  font-weight: 200;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-48);
}

/* ── Copy button ── */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-mono);
  font-size: 8pt;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-black);
  color: var(--color-white);
  border: none;
  padding: var(--space-8) var(--space-24);
  cursor: pointer;
  margin-bottom: var(--space-48);
  transition: opacity 0.15s;
}
.copy-btn:hover {
  opacity: 0.75;
}
.copy-btn.copied {
  background: #333;
}

/* ── Signature instructions ── */
.instructions h2 {
  font-size: 8pt;
  font-weight: 200;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-24);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-gray-200);
}

.client-steps {
  margin-bottom: var(--space-32);
}

.client-steps h3 {
  font-size: 8pt;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-16);
  color: var(--color-gray-500);
}

.client-steps ol {
  list-style: decimal;
  padding-left: var(--space-24);
}

.client-steps ol li {
  font-size: 8pt;
  font-weight: 200;
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.client-steps ol li strong {
  font-weight: 300;
}

/* ── Note block ── */
.note {
  font-size: 7pt;
  font-weight: 200;
  color: var(--color-gray-500);
  margin-top: var(--space-24);
  line-height: 1.6;
  border-left: 2px solid var(--color-gray-200);
  padding-left: var(--space-16);
}

/* ── 404 page ── */
body.page-404 p {
  font-size: 8pt;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

body.page-404 a {
  font-size: 7pt;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-black);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: 1px;
  transition: border-color 0.15s;
}
body.page-404 a:hover {
  border-color: var(--color-black);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .site-header {
    padding: 0 var(--space-16);
  }
  .site-nav {
    gap: var(--space-16);
  }
  .section {
    padding: var(--space-48) var(--space-16);
  }
  .type-specimen {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }
  .signature-main {
    padding: var(--space-48) var(--space-16);
  }
  .color-box {
    aspect-ratio: auto;
    min-height: 140px;
  }
}