:root {
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --ink: #15202b;
  --muted: #5f6d7c;
  --line: #d6dde6;
  --line-strong: #aeb9c7;
  --accent: #1f5fa8;
  --accent-strong: #16497f;
  --accent-soft: #e7f0fb;
  --success: #1f7a46;
  --success-soft: #e8f6ee;
  --warning: #7b5a1d;
  --warning-soft: #f8f1df;
  --danger: #b5493c;
  --danger-soft: #fceceb;
  --shadow: 0 14px 34px rgba(21, 32, 43, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.skip {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  z-index: 20;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100vw - 2rem));
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem 0 0.9rem;
}

.brand {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  width: 2.6rem;
  height: 2.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: var(--shadow);
}

.brand-name,
.brand-line {
  display: block;
}

.brand-name {
  font-weight: 800;
  font-size: 1.08rem;
}

.brand-line {
  color: var(--muted);
  font-size: 0.84rem;
  margin-top: 0.12rem;
}

.nav {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0.55rem 0.7rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent);
  background: var(--surface);
  border-color: var(--line);
}

.hero {
  display: grid;
  gap: 1rem;
  padding: 1.15rem 0 1rem;
}

.hero-copy,
.project-slider,
.service-card,
.principle-box,
.about-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: clamp(1.25rem, 3vw, 2rem);
  display: grid;
  align-content: center;
}

.kicker,
.panel-kicker {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0.45rem 0 0;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.08;
}

.hero p,
.section-head p,
.about-copy p {
  color: var(--muted);
  line-height: 1.58;
}

.hero p {
  max-width: 47rem;
  font-size: 1rem;
  margin: 1rem 0 0;
}

.hero-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  border-radius: 4px;
  border: 1px solid var(--accent);
  padding: 0.72rem 0.95rem;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button.secondary {
  background: #fff;
  color: var(--accent);
}

.button.secondary:hover {
  background: var(--accent-soft);
}

.project-slider {
  position: relative;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: var(--surface-soft);
}

.slider-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 0;
  background: #e9eef5;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}

.slider-frame.is-dragging {
  cursor: grabbing;
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
}

.slide-preview-link {
  display: block;
  min-height: 0;
  overflow: hidden;
  background: #edf2f7;
}

.slide-preview-link:focus-visible {
  outline: 3px solid rgba(31, 95, 168, 0.35);
  outline-offset: -3px;
}

.slide img {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  object-fit: contain;
  object-position: top center;
  background: #edf2f7;
}

.slide::after {
  content: none;
}

.slide-copy {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0.8rem 1rem;
  align-items: center;
  min-height: 4.7rem;
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.slide-copy .status {
  flex: 0 0 auto;
  margin: 0;
}

.project-meta,
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.project-meta {
  flex: 0 0 auto;
  max-width: 15rem;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.22rem 0.5rem;
  color: var(--muted);
  background: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}

.slide-copy p {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.slide-open {
  flex: 0 0 auto;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.slide-open:hover {
  text-decoration: underline;
}

.slider-controls {
  position: absolute;
  right: 1rem;
  bottom: 1.2rem;
  z-index: 2;
  display: flex;
  gap: 0.45rem;
}

.slider-dot {
  width: 0.72rem;
  height: 0.72rem;
  min-height: 0;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  cursor: pointer;
}

.slider-dot.active {
  background: var(--accent);
  border-color: var(--accent);
}

.status,
.service-link {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.section {
  margin-top: 2rem;
  scroll-margin-top: 1rem;
}

.section-head {
  max-width: 48rem;
  margin-bottom: 1rem;
}

.section-head.compact {
  margin-bottom: 0;
}

.section-head h2,
.about-section h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.section-head p {
  margin: 0.55rem 0 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  position: relative;
  min-height: 15rem;
  padding: 1rem;
  text-decoration: none;
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.service-card:hover,
.service-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 40px rgba(21, 32, 43, 0.12);
}

.service-card.featured {
  border-color: rgba(31, 95, 168, 0.35);
  background: linear-gradient(180deg, #ffffff, #f4f8fe);
}

.status {
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.24rem 0.55rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.status.live {
  color: var(--success);
  background: var(--success-soft);
  border-color: rgba(31, 122, 70, 0.18);
}

.status.alpha,
.status.prototype {
  color: var(--warning);
  background: var(--warning-soft);
  border-color: rgba(148, 106, 32, 0.18);
}

.status.beta {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(31, 95, 168, 0.18);
}

.status.build,
.status.demo {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(31, 95, 168, 0.18);
}

.status.release {
  color: var(--success);
  background: var(--success-soft);
  border-color: rgba(31, 122, 70, 0.18);
}

.status.planned {
  color: var(--muted);
  background: #fff;
}

.service-card h3,
.principle-box h3 {
  margin: 0;
  font-size: 1.2rem;
}

.card-meta {
  margin-bottom: 0.85rem;
}

.card-meta .status {
  margin-bottom: 0;
}

.service-card p {
  margin: 0.65rem 0 2rem;
  color: var(--muted);
  line-height: 1.55;
}

.service-card p.service-stats {
  margin-top: -1.25rem;
  margin-bottom: 2.15rem;
  color: var(--ink);
  font-weight: 700;
}

.status-guide {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.status-item {
  min-height: 8.5rem;
  padding: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.status-item .status {
  margin-bottom: 0.65rem;
}

.status-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.service-link {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.principle-box {
  padding: 1.1rem;
}

.principle-box ol {
  margin: 0.8rem 0 0;
  padding-left: 1.35rem;
  color: var(--muted);
  line-height: 1.65;
}

.principle-box p {
  margin: 0.9rem 0 0;
  font-weight: 800;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 1.2rem;
}

.about-copy {
  display: grid;
  gap: 0.8rem;
}

.about-copy p {
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 2rem;
  margin-top: 2rem;
}

@media (max-width: 940px) {
  .hero,
  .split-section,
  .about-section {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .status-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .slider-frame {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 700px) {
  .site-header,
  main,
  .site-footer {
    width: calc(100vw - 1rem);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero-copy,
  .project-slider,
  .principle-box,
  .about-section {
    padding: 1rem;
  }

  .project-slider {
    padding: 0;
  }

  .slider-frame {
    aspect-ratio: auto;
    min-height: 32rem;
  }

  .slide-copy {
    align-items: flex-start;
    flex-direction: column;
    min-height: 9.5rem;
    padding-bottom: 2rem;
  }

  .project-meta {
    max-width: none;
  }

  .slider-controls {
    left: 1rem;
    right: auto;
    bottom: 0.7rem;
  }

  .service-grid,
  .status-guide,
  .about-section {
    grid-template-columns: 1fr;
  }
}