/* ===========================
   MEGAWATT BRAND PAGE
   Carbon background, Inter + JetBrains Mono, brand-tokens-driven.
   =========================== */

:root {
  --mw-green:        #42e7aa;
  --mw-carbon:       #030907;
  --mw-paper:        #ffffff;
  --mw-conduit-gray: #737373;
  --mw-mist:         #f5f5f5;

  --mw-surface:        #0a1310;
  --mw-surface-strong: #121b17;
  --mw-hairline:       rgba(255, 255, 255, 0.08);
  --mw-text-soft:      rgba(255, 255, 255, 0.7);

  --mw-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mw-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html {
  background: var(--mw-carbon);
  color: var(--mw-paper);
  font-family: var(--mw-font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background: var(--mw-carbon);
  color: var(--mw-paper);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ===========================
   LAYOUT
   =========================== */
.b-container {
  width: min(1240px, 100% - 48px);
  margin-inline: auto;
}

.b-section {
  padding-block: 96px;
  border-top: 1px solid var(--mw-hairline);
}

.b-section:first-of-type { border-top: 0; }

.b-section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 56px;
}

@media (max-width: 720px) {
  .b-section { padding-block: 64px; }
  .b-section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
}

.b-eyebrow {
  font-family: var(--mw-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mw-conduit-gray);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.b-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mw-green);
}

.b-title {
  font-family: var(--mw-font-sans);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-top: 14px;
  color: var(--mw-paper);
}

.b-lede {
  font-size: 16px;
  line-height: 1.6;
  color: var(--mw-text-soft);
  max-width: 44ch;
}

/* ===========================
   NAV
   =========================== */
.b-nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(3, 9, 7, 0.85);
  border-bottom: 1px solid var(--mw-hairline);
}

.b-nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.b-nav-logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: -0.01em;
}

.b-nav-logo img { width: 28px; height: 28px; }
.b-nav-logo img.b-nav-wordmark { width: auto; height: 26px; }

.b-nav-back {
  font-family: var(--mw-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mw-text-soft);
  transition: color .15s;
}

.b-nav-back:hover { color: var(--mw-green); }

/* ===========================
   HERO
   =========================== */
.b-hero {
  padding-block: 120px 96px;
  border-bottom: 1px solid var(--mw-hairline);
}

.b-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}

@media (max-width: 720px) {
  .b-hero { padding-block: 64px 56px; }
  .b-hero-grid { grid-template-columns: 1fr; }
}

.b-hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 32px;
}

.b-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-family: var(--mw-font-sans);
  font-size: 14px; font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s, background .15s, color .15s, border-color .15s;
  white-space: nowrap;
}

.b-btn:active { transform: translateY(1px); }

.b-btn-primary {
  background: var(--mw-green);
  color: var(--mw-carbon);
}
.b-btn-primary:hover { background: #5cf0b8; }

.b-btn-ghost {
  background: transparent;
  color: var(--mw-paper);
  border-color: var(--mw-hairline);
}
.b-btn-ghost:hover { border-color: var(--mw-text-soft); }

.b-btn svg { width: 14px; height: 14px; }

/* ===========================
   LOGO GRID
   =========================== */
.b-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.b-logo-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--mw-hairline);
  border-radius: 16px;
  overflow: hidden;
  background: var(--mw-surface);
}

.b-logo-preview {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 16 / 10;
  padding: 32px;
  background: var(--mw-mist);
}
.b-logo-preview img { max-height: 80px; width: auto; }

.b-logo-preview[data-bg="dark"]  { background: var(--mw-carbon); }
.b-logo-preview[data-bg="light"] { background: var(--mw-mist); }

.b-logo-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 20px;
  gap: 16px;
}

.b-logo-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--mw-paper);
}

.b-logo-sub {
  font-family: var(--mw-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mw-conduit-gray);
  margin-top: 2px;
}

.b-logo-downloads {
  display: flex; gap: 6px;
}

.b-format-chip {
  font-family: var(--mw-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mw-text-soft);
  padding: 6px 10px;
  border: 1px solid var(--mw-hairline);
  border-radius: 999px;
  transition: color .15s, border-color .15s, background .15s;
}
.b-format-chip:hover {
  color: var(--mw-green);
  border-color: var(--mw-green);
  background: rgba(66, 231, 170, 0.08);
}

/* ===========================
   COLOR GRID
   =========================== */
.b-color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.b-color-card {
  border: 1px solid var(--mw-hairline);
  border-radius: 16px;
  overflow: hidden;
  background: var(--mw-surface);
  position: relative;
}

.b-color-swatch {
  aspect-ratio: 1.4;
  position: relative;
}

.b-color-swatch::after {
  /* Subtle border for white swatch on dark surface */
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.b-color-body {
  padding: 18px 20px 20px;
  font-family: var(--mw-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mw-text-soft);
  display: grid;
  gap: 6px;
}

.b-color-name {
  font-family: var(--mw-font-sans);
  font-size: 15px; font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--mw-paper);
  margin-bottom: 6px;
}

.b-color-row {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}

.b-color-row button {
  font-family: var(--mw-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mw-conduit-gray);
  padding: 4px 8px;
  border: 1px solid var(--mw-hairline);
  border-radius: 999px;
  transition: color .15s, border-color .15s;
}
.b-color-row button:hover { color: var(--mw-green); border-color: var(--mw-green); }
.b-color-row button.copied { color: var(--mw-green); border-color: var(--mw-green); }

.b-color-actions {
  display: flex; gap: 6px; margin-top: 6px;
}

/* ===========================
   TYPOGRAPHY
   =========================== */
.b-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 720px) {
  .b-type-grid { grid-template-columns: 1fr; }
}

.b-type-card {
  border: 1px solid var(--mw-hairline);
  border-radius: 16px;
  padding: 36px;
  background: var(--mw-surface);
  display: flex; flex-direction: column;
  min-height: 280px;
}

.b-type-sample {
  font-size: 88px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--mw-paper);
  margin-bottom: auto;
}
.b-type-card[data-family="mono"] .b-type-sample {
  font-family: var(--mw-font-mono);
  font-weight: 500;
  letter-spacing: 0;
}

.b-type-foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-top: 32px;
}

.b-type-name {
  font-size: 16px; font-weight: 600;
  color: var(--mw-paper);
}
.b-type-desc {
  font-size: 13px; color: var(--mw-text-soft);
  margin-top: 2px;
}

/* ===========================
   FOOTER
   =========================== */
.b-foot {
  padding-block: 56px;
  border-top: 1px solid var(--mw-hairline);
  font-family: var(--mw-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mw-conduit-gray);
}
.b-foot-inner {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.b-foot a:hover { color: var(--mw-green); }