:root {
  --bg: #14171c;
  --surface-1: #1b1f26;
  --surface-2: #21262f;
  --border: #2c323d;
  --border-strong: #3a4250;
  --text-primary: #e6e9ef;
  --text-secondary: #9aa3b2;
  --text-muted: #6b7280;
  --accent-blue: #4b8fd9;
  --accent-blue-dim: #2c4a6e;
  --accent-purple: #8b7fd9;
  --accent-purple-dim: #3a3660;
  --accent-green: #5cba8a;
  --accent-green-dim: #2c4a3c;
  --shadow-color: 0, 0, 0;
  --radius-lg: 12px;
  --radius-sm: 8px;
  --dur: 180ms;
  --ease: cubic-bezier(0.2, 0, 0, 1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.page {
  max-width: 1064px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* header */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--accent-blue-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  font-size: 14px;
}

.brand-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-secondary);
}

.nav a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
}

@media (max-width: 620px) {
  .header {
    position: relative;
    flex-wrap: wrap;
  }

  .nav {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    order: 3;
    margin-top: 16px;
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 6px;
    max-height: 240px;
    overflow-y: auto;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
  }

  .nav a:hover {
    background: var(--surface-2);
  }

  .nav-toggle {
    display: flex;
  }
}

/* hero */

.hero {
  padding: 44px 0 24px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 500;
  margin: 0;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* two-column top section */

.top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 16px;
  padding-bottom: 40px;
}

@media (max-width: 620px) {
  .top-grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--surface-1);
  border-radius: var(--radius-lg);
  padding: 20px;
  min-height: 200px;
  box-shadow: 0 1px 2px rgba(var(--shadow-color), 0.2), 0 4px 12px rgba(var(--shadow-color), 0.18);
}

.panel-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 10px;
  letter-spacing: 0.02em;
}

.panel-body {
  font-size: 14px;
  color: var(--text-primary);
  margin: 0;
}

.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-primary);
}

.highlight-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  flex-shrink: 0;
}

/* projects grid */

.section-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 14px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.search-bar {
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 14px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--dur) var(--ease);
}

.search-bar::placeholder {
  color: var(--text-muted);
}

.search-bar:focus {
  outline: none;
  border-color: var(--border-strong);
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.filter-tag:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.filter-tag.active {
  background: var(--accent-blue-dim);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.card.hidden {
  display: none;
}

.load-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 32px 16px;
  color: var(--text-secondary);
  font-size: 13px;
}

.load-error p {
  margin: 0 0 14px;
}

.load-error .card-btn {
  width: auto;
  padding: 8px 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 2px rgba(var(--shadow-color), 0.2), 0 2px 6px rgba(var(--shadow-color), 0.16);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(var(--shadow-color), 0.24), 0 12px 24px rgba(var(--shadow-color), 0.22);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.card-logo {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.card-logo.blue {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
}

.card-logo.purple {
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
}

.card-logo.green {
  background: var(--accent-green-dim);
  color: var(--accent-green);
}

.card-description {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 18px;
}

.card-btn {
  width: 100%;
  font-size: 13px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  margin-top: auto;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.card-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: scale(1.03);
}

.card-btn-href {
  text-decoration: none;
  text-align: center;
  display: block;
  width: 100%;
  font-size: 13px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  margin-top: auto;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.card-btn-href:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  transform: scale(1.03);
}

/* carousel */

.carousel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(var(--shadow-color), 0.2), 0 4px 12px rgba(var(--shadow-color), 0.18);
}

.carousel-track {
  display: flex;
  transition: transform 0.3s var(--ease);
}

.carousel-slide {
  flex: 0 0 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.carousel-indicators {
  display: flex;
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.carousel-indicator {
  flex: 1;
  padding: 8px 0;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.carousel-indicator:last-child {
  border-right: none;
}

.carousel-indicator:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

.carousel-indicator.active {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
}

/* project hero */

.project-hero {
  padding: 44px 0 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.project-hero-text h1 {
  font-size: 32px;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.project-hero-subtext {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 auto 20px;
  max-width: 480px;
}

.project-hero-cta {
  display: inline-block;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.project-hero-cta:hover {
  background: var(--accent-blue);
  color: var(--bg);
  transform: scale(1.03);
}

.project-hero-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  align-self: center;
}

.project-hero-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (min-width: 700px) {
  .project-hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .project-hero-subtext {
    margin-left: 0;
  }

  .project-hero-text {
    flex: 1;
  }

  .project-hero-logo {
    flex-shrink: 0;
    align-self: auto;
  }
}

/* description block */

.description-block {
  background: var(--surface-1);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
  box-shadow: 0 1px 2px rgba(var(--shadow-color), 0.2), 0 4px 12px rgba(var(--shadow-color), 0.18);
}

.description-block p {
  font-size: 14px;
  color: var(--text-primary);
  margin: 0 0 14px;
}

.description-block p:last-child {
  margin-bottom: 0;
}

/* media + content split: side-by-side above 950px, stacked below */

@media (min-width: 950px) {
  .media-content-split {
    display: grid;
    grid-template-columns: minmax(0, 480px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .media-content-split .description-block {
    margin-top: 0;
  }
}

@view-transition {
  navigation: auto;
}