:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #111827;
  --muted: #64748b;
  --border: #e5e7eb;
  --accent: #1d4ed8;
  --accent-dark: #111827;
  --surface: #f8fafc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

button {
  font: inherit;
}

.page-header {
  padding: 0 0 32px;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--border);
  position: relative;
}

.page-header::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--accent);
}

.page-header h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--accent-dark);
  letter-spacing: -0.03em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25em;
}

.page-header h1 span:last-child {
  color: var(--accent);
}

.page-header .section-subtitle {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted);
}

.page {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 56px 24px 84px;
}

.partners-section h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3.2vw, 2.9rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin: 0 0 24px;
  font-size: 1rem;
  color: var(--muted);
}

@media (max-width: 680px) {
  .page-header {
    padding: 0 0 24px;
    margin-bottom: 32px;
  }
}

.timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.year-pill {
  border: 1px solid rgba(29, 78, 216, 0.14);
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
  color: var(--text);
  padding: 14px 18px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 118px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.year-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
  border-color: rgba(29, 78, 216, 0.3);
}

.year-pill.active {
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}

.year-pill.active .year-pill__count {
  opacity: 0.9;
}

.year-pill__value {
  font-size: 1rem;
  font-weight: 700;
}

.year-pill__count {
  font-size: 0.85rem;
  opacity: 0.8;
}

.year-heading {
  margin: 0 0 16px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.startups-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.startup {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.startup:last-child {
  border-bottom: 0;
}

.logo-area {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.logo-area img {
  width: 100%;
  max-width: 260px;
  height: 160px;
  object-fit: contain;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  background: #f8fafc;
  padding: 10px;
}

.content-area {
  min-width: 0;
}

.content-area h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.content-area p {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.75;
}

.category-area {
  justify-self: end;
}

.category-tag {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--accent-dark);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.empty-state {
  margin: 8px 0 0;
  padding: 18px 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .page {
    padding: 44px 20px 70px;
  }

  .startup {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 22px;
  }

  .category-area {
    grid-column: 2;
    justify-self: start;
    margin-top: -4px;
  }
}

@media (max-width: 680px) {
  .page {
    padding: 32px 16px 56px;
  }

  .partners-section h1 {
    margin-bottom: 28px;
  }

  .timeline {
    gap: 10px;
  }

  .year-pill {
    width: 100%;
  }

  .startup {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 0;
  }

  .logo-area {
    justify-content: flex-start;
  }

  .logo-area img {
    max-width: 100%;
  }

  .category-area {
    grid-column: 1;
    justify-self: start;
    margin-top: 0;
  }
}