.kernel {
  --kr-canvas: #000;
  --kr-card: #141414;
  --kr-card-hover: #1e1e1e;
  --kr-ink: #fff;
  --kr-gray: rgba(255, 255, 255, 0.65);
  --kr-light: rgba(255, 255, 255, 0.45);
  --kr-gap: 4px;
  --kr-sans: 'Inter', sans-serif;
  --kr-mono: 'JetBrains Mono', monospace;
  --kr-ease: cubic-bezier(0.215, 0.61, 0.355, 1);

  background: var(--kr-canvas);
  color: var(--kr-ink);
  font-family: var(--kr-sans);
  -webkit-font-smoothing: antialiased;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
}

.kernel .kernel-wrapper {
  max-width: 1600px;
  margin: 0 auto;
  padding: 40px;
  width: 100%;
  min-width: 0;
}

.kernel .bento-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(300px, auto);
  gap: var(--kr-gap);
  width: 100%;
  min-width: 0;
}

.kernel .card {
  background-color: var(--kr-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: background-color 0.4s var(--kr-ease);
  text-decoration: none;
  color: var(--kr-ink);
  min-height: 320px;
}

.kernel .card:hover {
  background-color: var(--kr-card-hover);
}

.kernel .card:hover .arrow-icon {
  transform: translate(4px, -4px);
}

.kernel .card.dark {
  background-color: #fff;
  color: #111;
}

.kernel .card.dark:hover {
  background-color: #f0f0f0;
}

.kernel .card.dark .meta-tag,
.kernel .card.dark .copy {
  color: #666;
}

.kernel .meta-tag {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--kr-light);
  margin-bottom: 16px;
  display: block;
}

.kernel .headline {
  font-size: 28px;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 90%;
}

.kernel .headline-large {
  font-size: 48px;
  font-weight: 200;
}

.kernel .copy {
  font-size: 13px;
  color: var(--kr-gray);
  line-height: 1.5;
  max-width: 300px;
}

.kernel .card.card--top-head {
  justify-content: flex-start;
}

.kernel .card.card--top-head .copy,
.kernel .card.card--top-head .stat-large,
.kernel .card.card--top-head .contact-card__terminal {
  margin-top: auto;
}

.kernel .card--contact .headline {
  margin-bottom: 28px;
}

.kernel .contact-display {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 48px);
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.kernel .contact-display__status {
  display: block;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--kr-light);
  margin-bottom: 14px;
}

.kernel .contact-display__cta {
  font-family: var(--kr-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--kr-gray);
  margin: 0;
  max-width: 280px;
}

.kernel .contact-display__email {
  font-family: var(--kr-mono);
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 8px;
  word-break: break-all;
}

.kernel .contact-display__phone {
  font-family: var(--kr-mono);
  font-size: 13px;
  color: var(--kr-gray);
  margin: 0;
  letter-spacing: 0.06em;
}

.kernel .contact-display__scope {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 160px;
}

.kernel .contact-display__scope p {
  margin: 0;
  font-size: 11px;
  color: var(--kr-gray);
  letter-spacing: 0.04em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.kernel .contact-display__scope span {
  font-family: var(--kr-mono);
  font-size: 9px;
  color: var(--kr-light);
  flex-shrink: 0;
}

.kernel .stat-large {
  font-size: 64px;
  font-weight: 200;
  letter-spacing: -0.04em;
}

.kernel .arrow-icon {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 14px;
  transition: transform 0.3s var(--kr-ease);
}

.kernel .span-2 { grid-column: span 2; }
.kernel .span-4 { grid-column: span 4; }
.kernel .row-2 { grid-row: span 2; }

.kernel .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  filter: grayscale(100%) contrast(1.1);
  transition: filter 0.4s ease, transform 0.6s ease;
  z-index: 0;
}

.kernel .card:hover .card-image {
  filter: grayscale(0%) contrast(1);
  transform: scale(1.02);
}

.kernel .content-overlay {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kernel .terminal-block {
  font-family: var(--kr-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: auto;
  border-top: 1px solid #333;
  padding-top: 20px;
  width: 100%;
}

.kernel .card.dark .terminal-block {
  color: #444;
  border-top: 1px solid #ddd;
}

.kernel .prompt::before {
  content: '➜ ';
  color: var(--kr-light);
}

.kernel .cursor {
  display: inline-block;
  width: 6px;
  height: 14px;
  background-color: var(--kr-ink);
  animation: kr-blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 4px;
}

.kernel .card.dark .cursor {
  background-color: #111;
}

.kernel .newsletter-input {
  margin-top: auto;
  width: 100%;
  display: flex;
  border-bottom: 1px solid #444;
  padding-bottom: 8px;
}

.kernel .newsletter-input span:first-child {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.kernel .newsletter-input span:last-child {
  margin-left: auto;
  font-size: 12px;
}

@keyframes kr-blink {
  50% { opacity: 0; }
}

@media (max-width: 1000px) {
  .kernel .bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kernel .span-2,
  .kernel .span-4 {
    grid-column: span 2;
  }

  .kernel .row-2 {
    grid-row: span 1;
  }
}

@media (max-width: 640px) {
  .kernel .kernel-wrapper {
    padding: 12px;
  }

  .kernel .bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: minmax(160px, auto);
  }

  .kernel .span-2,
  .kernel .span-4 {
    grid-column: span 2;
  }

  .kernel .headline-large {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .kernel .contact-display {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }
}