/* ============================================================== */
/* CCA Boards · preview demo · v1                                   */
/* Mode-built · NOT Mode brand · industrial / specifier-grade       */
/* No em-dashes anywhere · middle-dot · is canonical separator      */
/* ============================================================== */

:root {
  --ink: #0B1014;
  --graphite: #161D23;
  --steel: #2A343E;
  --steel-line: #243038;
  --mist: #9CA8B3;
  --chalk: #E8EDF2;
  --chalk-bright: #F6F8FA;
  --signal: #3FB6C9;
  --signal-soft: rgba(63, 182, 201, 0.12);
  --signal-line: rgba(63, 182, 201, 0.36);
  --signal-warm: #D4A14A;
  --container: 1200px;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --hairline: 1px solid var(--steel-line);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--ink);
  color: var(--chalk);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

/* ============================================================== */
/* TYPOGRAPHY                                                      */
/* ============================================================== */

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--chalk-bright);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  letter-spacing: -0.025em;
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p { color: var(--chalk); }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 20px;
  display: inline-block;
}

.lede,
.section-lede {
  color: var(--mist);
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 60ch;
}

.section-head {
  margin-bottom: 56px;
  max-width: 760px;
}

.section-head h2 { margin-bottom: 16px; }

a { color: var(--signal); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--chalk-bright); }

/* ============================================================== */
/* HEADER                                                          */
/* ============================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 20, 0.85);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: var(--hairline);
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  gap: 32px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.brand__mark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--chalk-bright);
  line-height: 1;
}

.brand__sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.primary-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.primary-nav a {
  color: var(--mist);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.15s ease;
}

.primary-nav a:hover { color: var(--chalk-bright); }

.primary-nav .nav-cta {
  background: var(--signal);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.primary-nav .nav-cta:hover {
  background: var(--chalk-bright);
  color: var(--ink);
}

@media (max-width: 860px) {
  .primary-nav { display: none; }
  .header-grid .nav-cta { display: inline-block !important; }
  .primary-nav .nav-cta {
    display: inline-block !important;
  }
}

/* ============================================================== */
/* BUTTONS                                                         */
/* ============================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.005em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.18s ease;
  line-height: 1;
}

.btn-primary {
  background: var(--signal);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--chalk-bright);
  color: var(--ink);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--chalk);
  border: 1px solid var(--steel);
}

.btn-ghost:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.btn-full { width: 100%; padding: 16px; }

/* ============================================================== */
/* HERO                                                            */
/* ============================================================== */

.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top right, rgba(63, 182, 201, 0.08), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(63, 182, 201, 0.04), transparent 50%),
    var(--ink);
  border-bottom: var(--hairline);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--steel-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--steel-line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 1000px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .hero { padding: 80px 0 70px; }
}

.hero__copy h1 { margin-bottom: 24px; }

.hero__copy .lede {
  margin-bottom: 36px;
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--mist);
  max-width: 56ch;
}

.hero__cta {
  display: flex;
  gap: 14px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.hero__proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  list-style: none;
  padding-top: 32px;
  border-top: var(--hairline);
}

@media (max-width: 720px) {
  .hero__proof {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

.hero__proof li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.proof__num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--chalk-bright);
  letter-spacing: -0.01em;
  line-height: 1;
}

.proof__label {
  font-size: 0.85rem;
  color: var(--mist);
  letter-spacing: 0.005em;
}

/* Hero visual · spec card stack */
.hero__visual {
  position: relative;
  height: 100%;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__panel {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: linear-gradient(165deg, var(--graphite), var(--ink));
  border: 1px solid var(--steel-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 30px 60px rgba(0, 0, 0, 0.5);
}

.hero__panel::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal-line), transparent);
}

.hero__panel-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.spec-card {
  background: var(--graphite);
  border: 1px solid var(--steel-line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.spec-card:hover {
  transform: translateX(4px);
  border-color: var(--signal-line);
}

.spec-card--alt {
  background: var(--ink);
  border-left: 3px solid var(--signal);
}

.spec-card__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 10px;
  font-weight: 500;
}

.spec-card__value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--chalk-bright);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.spec-card__meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--mist);
  line-height: 1.45;
}

/* ============================================================== */
/* CERTIFICATIONS BAR                                              */
/* ============================================================== */

.certs-bar {
  background: var(--graphite);
  padding: 64px 0;
  border-bottom: var(--hairline);
}

.certs-bar__intro {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--chalk-bright);
  margin-bottom: 32px;
  text-align: center;
  letter-spacing: -0.01em;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  list-style: none;
  border: var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (max-width: 860px) {
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.certs-grid li {
  padding: 32px 24px;
  border-right: var(--hairline);
  background: var(--ink);
  text-align: center;
  transition: background 0.18s ease;
}

@media (max-width: 860px) {
  .certs-grid li:nth-child(2) { border-right: none; }
  .certs-grid li:nth-child(1),
  .certs-grid li:nth-child(2) { border-bottom: var(--hairline); }
}

.certs-grid li:last-child { border-right: none; }
.certs-grid li:hover { background: var(--steel); }

.cert__name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--signal);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.cert__scope {
  font-size: 0.85rem;
  color: var(--mist);
  line-height: 1.45;
}

.certs-bar__note {
  text-align: center;
  margin-top: 28px;
  color: var(--mist);
  font-size: 0.95rem;
}

/* ============================================================== */
/* PRODUCT RANGE                                                   */
/* ============================================================== */

.products {
  padding: 100px 0;
  border-bottom: var(--hairline);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

@media (max-width: 860px) {
  .product-grid { grid-template-columns: 1fr; }
}

.product-card {
  background: var(--graphite);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  border-color: var(--signal-line);
  transform: translateY(-2px);
}

.product-card--feature {
  grid-column: span 2;
  background: linear-gradient(155deg, var(--graphite), var(--ink));
  border-color: var(--signal-line);
  position: relative;
}

@media (max-width: 860px) {
  .product-card--feature { grid-column: span 1; }
}

.product-card__line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 14px;
}

.product-card h3 {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.product-card--feature h3 { font-size: 2rem; }

.product-card__sub {
  color: var(--mist);
  font-size: 0.95rem;
  margin-bottom: 18px;
  font-style: italic;
}

.product-card__copy {
  color: var(--chalk);
  margin-bottom: 24px;
  line-height: 1.6;
}

.product-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
  padding: 24px 0;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}

@media (max-width: 720px) {
  .product-tiers {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.tier__name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--signal);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.tier__density {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--chalk-bright);
  margin-bottom: 8px;
}

.tier__use {
  font-size: 0.85rem;
  color: var(--mist);
  line-height: 1.5;
}

.product-card__surfaces {
  font-size: 0.9rem;
  color: var(--mist);
  padding-top: 12px;
}

.product-card__surfaces strong {
  color: var(--chalk-bright);
  font-weight: 600;
}

.product-cta {
  text-align: center;
  padding: 32px;
  border: 1px dashed var(--steel);
  border-radius: var(--radius);
  background: var(--graphite);
}

.product-cta p {
  margin-bottom: 16px;
  color: var(--chalk);
  font-size: 1.05rem;
}

/* ============================================================== */
/* MARKETS                                                         */
/* ============================================================== */

.markets {
  padding: 100px 0;
  background: var(--graphite);
  border-bottom: var(--hairline);
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 1000px) {
  .market-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .market-grid { grid-template-columns: 1fr; }
}

.market-card {
  background: var(--ink);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: all 0.2s ease;
}

.market-card:hover {
  border-color: var(--signal-line);
  transform: translateY(-3px);
}

.market-card__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--signal);
  margin-bottom: 16px;
}

.market-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.market-card__copy {
  color: var(--chalk);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.market-card__buyers {
  font-size: 0.82rem;
  color: var(--mist);
  padding-top: 14px;
  border-top: var(--hairline);
  font-style: italic;
}

/* ============================================================== */
/* WHY CCA                                                         */
/* ============================================================== */

.why { padding: 100px 0; border-bottom: var(--hairline); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1000px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .why-grid { grid-template-columns: 1fr; }
}

.why-card {
  padding: 28px 0;
  border-top: 2px solid var(--signal);
  padding-top: 24px;
}

.why-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--chalk-bright);
}

.why-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ============================================================== */
/* CNC                                                             */
/* ============================================================== */

.cnc {
  padding: 100px 0;
  background: var(--graphite);
  border-bottom: var(--hairline);
}

.cnc-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}

@media (max-width: 1000px) {
  .cnc-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}

.cnc__copy h2 { margin-bottom: 20px; }

.cnc__list {
  list-style: none;
  margin: 32px 0;
}

.cnc__list li {
  padding: 14px 0;
  border-bottom: var(--hairline);
  color: var(--chalk);
  font-size: 0.96rem;
  line-height: 1.55;
}

.cnc__list li:last-child { border-bottom: none; }

.cnc__list strong {
  color: var(--chalk-bright);
  font-weight: 600;
  display: inline-block;
  min-width: 130px;
}

.cnc__visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cnc-stat {
  background: var(--ink);
  border: var(--hairline);
  border-left: 3px solid var(--signal);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s ease;
}

.cnc-stat:hover { transform: translateX(4px); }

.cnc-stat__num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--chalk-bright);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.cnc-stat__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ============================================================== */
/* TRADE                                                           */
/* ============================================================== */

.trade { padding: 100px 0; border-bottom: var(--hairline); }

.trade-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1000px) {
  .trade-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .trade-grid { grid-template-columns: 1fr; }
}

.trade-card {
  background: var(--graphite);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.trade-card__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal-warm);
  margin-bottom: 14px;
}

.trade-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.trade-card p {
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.55;
  flex-grow: 1;
  margin-bottom: 16px;
}

.trade-card__link {
  color: var(--signal);
  font-weight: 500;
  font-size: 0.9rem;
  border-top: var(--hairline);
  padding-top: 14px;
}

.trade-card__link:hover { color: var(--chalk-bright); }

/* ============================================================== */
/* CONTACT                                                         */
/* ============================================================== */

.contact {
  padding: 100px 0;
  background: var(--graphite);
  border-bottom: var(--hairline);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 1000px) {
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
}

.contact__copy h2 { margin-bottom: 20px; }

.contact-detail {
  list-style: none;
  margin-top: 36px;
}

.contact-detail li {
  padding: 18px 0;
  border-bottom: var(--hairline);
}

.contact-detail__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 6px;
}

.contact-detail__value {
  color: var(--chalk-bright);
  font-size: 1rem;
  line-height: 1.5;
}

.contact-detail__value a { color: var(--chalk-bright); }
.contact-detail__value a:hover { color: var(--signal); }

/* Form */
.contact-form {
  background: var(--ink);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-form fieldset {
  border: none;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: var(--hairline);
}

.contact-form legend {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 16px;
  padding: 0;
}

.radio {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  cursor: pointer;
  color: var(--chalk);
  font-size: 0.96rem;
  transition: color 0.15s ease;
}

.radio:hover { color: var(--chalk-bright); }

.radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--signal);
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form label.full {
  margin-bottom: 24px;
}

.contact-form label > span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

/* Form inputs · explicit dark styling, no white autofill per memory feedback_form_inputs_never_white.md */
.contact-form input,
.contact-form textarea {
  background: var(--graphite);
  border: 1px solid var(--steel);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--chalk-bright);
  font-family: 'Inter', sans-serif;
  font-size: 0.96rem;
  transition: border-color 0.15s ease, background 0.15s ease;
  width: 100%;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: var(--ink);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--mist);
  opacity: 0.6;
}

/* Chrome autofill override */
.contact-form input:-webkit-autofill,
.contact-form input:-webkit-autofill:hover,
.contact-form input:-webkit-autofill:focus,
.contact-form textarea:-webkit-autofill {
  -webkit-box-shadow: 0 0 0px 1000px var(--graphite) inset !important;
  -webkit-text-fill-color: var(--chalk-bright) !important;
  caret-color: var(--chalk-bright);
  transition: background-color 5000s ease-in-out 0s;
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
}

.form-note {
  text-align: center;
  margin-top: 14px;
  color: var(--mist);
  font-size: 0.85rem;
}

/* ============================================================== */
/* FOOTER                                                          */
/* ============================================================== */

.site-footer {
  background: var(--ink);
  padding: 64px 0 28px;
  border-top: var(--hairline);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer__brand { grid-column: span 2; }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer__brand { grid-column: span 1; }
}

.footer__mark {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--chalk-bright);
  margin-bottom: 10px;
  line-height: 1;
}

.footer__sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 12px;
}

.footer__abn {
  font-size: 0.85rem;
  color: var(--mist);
  line-height: 1.5;
  max-width: 32ch;
}

.footer__head {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 16px;
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a,
.footer__col li {
  color: var(--mist);
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

.footer__col a:hover { color: var(--chalk-bright); }

.footer__bottom {
  border-top: var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--mist);
  letter-spacing: 0.005em;
}

.footer__demo {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
  color: var(--signal-warm);
  font-size: 0.7rem;
}

@media (max-width: 600px) {
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}