:root {
  --primary: #2c8d4f;
  --primary-dark: #1f6b3b;
  --secondary: #b7df4a;
  --accent: #f4f8e8;
  --bg: #f6fbf5;
  --text: #203126;
  --card: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 10%, rgba(183, 223, 74, 0.25), transparent 35%),
    radial-gradient(circle at 10% 90%, rgba(44, 141, 79, 0.12), transparent 40%),
    var(--bg);
  line-height: 1.6;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  background: linear-gradient(120deg, #1e6a3c, #2c8d4f 55%, #4daf62);
  color: white;
  padding: 1.2rem 1rem 2.2rem;
  border-bottom: 4px solid var(--secondary);
}

.nav {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand img {
  width: 76px;
  height: 76px;
  object-fit: contain;
  border-radius: 0.75rem;
  border: 2px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 8px 24px rgba(18, 56, 32, 0.28);
  background: #ffffff;
  padding: 0.2rem;
}

.nav-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.45rem;
}

.language-switch {
  display: flex;
  gap: 0.25rem;
}

.lang-btn {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.15);
  color: white;
  width: 2rem;
  height: 1.5rem;
  border-radius: 0.35rem;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  background: rgba(255, 255, 255, 0.28);
  outline: none;
}

.lang-btn.active {
  border-color: var(--secondary);
  background: rgba(183, 223, 74, 0.3);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

nav a {
  color: #ffffff;
  font-weight: 700;
  padding: 0.4rem 0.7rem;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

nav a:hover,
nav a:focus-visible {
  text-decoration: none;
  background: rgba(183, 223, 74, 0.35);
  box-shadow: 0 4px 14px rgba(11, 38, 22, 0.2);
  transform: translateY(-1px);
  outline: none;
}

nav a[aria-current="page"] {
  background: rgba(183, 223, 74, 0.45);
  border-color: rgba(183, 223, 74, 0.9);
  color: #10331d;
}

.hero {
  max-width: 1080px;
  margin: 1.8rem auto 0;
}

.hero h1 { margin-bottom: 0.6rem; font-size: clamp(1.8rem, 3vw, 2.8rem); }
.hero p { max-width: 760px; margin-top: 0; }

main {
  max-width: 1080px;
  margin: -1rem auto 0;
  padding: 0 1rem 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.seminar-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: var(--card);
  border-radius: 0.9rem;
  padding: 1rem;
  border: 1px solid rgba(44, 141, 79, 0.15);
  box-shadow: 0 10px 24px rgba(24, 62, 37, 0.08);
}

.card h3 { margin-top: 0; color: var(--primary-dark); }

.seminar-grid {
  grid-template-columns: 1fr;
}

.variant-section {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(44, 141, 79, 0.15);
}

.variant-section h4 {
  margin: 0 0 0.35rem;
  color: var(--primary-dark);
}

.variant-section p {
  margin: 0 0 0.85rem;
}

.variant-section h5 {
  margin: 0 0 0.35rem;
  color: var(--primary-dark);
  font-size: 1rem;
}

.variant-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 0.8rem;
}

.variant-link {
  appearance: none;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #fff;
  border: 1px solid rgba(44, 141, 79, 0.18);
  border-radius: 0.65rem;
  padding: 0.5rem 0.65rem;
  min-height: 3rem;
  color: var(--primary-dark);
  font-size: 0.95rem;
  font-weight: 600;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.variant-link:hover,
.variant-link:focus-visible {
  text-decoration: none;
  border-color: rgba(44, 141, 79, 0.45);
  box-shadow: 0 6px 16px rgba(24, 62, 37, 0.1);
  transform: translateY(-1px);
  outline: none;
}

.variant-picker {
  border: 1px solid rgba(44, 141, 79, 0.2);
  border-radius: 0.7rem;
  padding: 0.55rem 0.7rem 0.7rem;
  background: #fcfffa;
}

.variant-picker-label {
  margin: 0;
  font-weight: 700;
  color: var(--primary-dark);
}

.variant-preview {
  margin-top: 1rem;
  border: 1px solid rgba(44, 141, 79, 0.2);
  border-radius: 0.7rem;
  padding: 0.8rem;
  background: #fcfffa;
}

.variant-preview-hint {
  margin: 0;
  color: #365844;
}

.variant-preview-title {
  margin: 0.2rem 0 0;
  font-weight: 700;
  color: var(--primary-dark);
}

.variant-preview-link {
  display: inline-block;
  margin: 0.2rem 0 0.65rem;
  font-weight: 600;
}

.variant-preview-frame {
  width: 100%;
  height: min(78vh, 900px);
  min-height: 620px;
  border: 1px solid rgba(44, 141, 79, 0.25);
  border-radius: 0.6rem;
  background: #fff;
}

.process-highlight {
  padding: 1.2rem;
}

.process-highlight p {
  margin-top: 0;
  font-size: 1.05rem;
}

.process-figure {
  margin: 0.5rem 0 0;
}

.process-figure img {
  width: 100%;
  max-width: 900px;
  display: block;
  margin: 0 auto;
  border-radius: 0.8rem;
  border: 1px solid rgba(44, 141, 79, 0.25);
  box-shadow: 0 12px 28px rgba(24, 62, 37, 0.14);
}

.process-figure figcaption {
  margin-top: 0.6rem;
  text-align: center;
  font-size: 0.95rem;
  color: #365844;
}

.button {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.55rem 0.9rem;
  border-radius: 0.5rem;
  background: var(--secondary);
  color: #1a2c1f;
  font-weight: 700;
}

.button:hover {
  text-decoration: none;
  background: #cbe96f;
}

.section-title {
  margin-top: 2rem;
  color: var(--primary-dark);
}

footer {
  margin-top: 2rem;
  background: #1f6b3b;
  color: #deefdf;
  padding: 1.3rem 1rem;
}

footer .inner {
  max-width: 1080px;
  margin: 0 auto;
}

.list-clean {
  padding-left: 1.1rem;
}

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

.profile-card img {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 4 / 5;
  border-radius: 0.75rem;
  display: block;
  margin: 0 auto 0.75rem;
  object-fit: cover;
}

.partner-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
  justify-content: center;
}

.partner-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.partner-links img {
  max-height: 72px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
}

.funding-note {
  text-align: center;
  margin-top: 0.8rem;
  font-weight: 600;
}

.funding-note-card {
  margin-top: 1rem;
  border-top: 1px solid rgba(44, 141, 79, 0.15);
  padding-top: 0.9rem;
}

@media (max-width: 900px) {
  .variant-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .nav-right {
    align-items: flex-start;
    width: 100%;
  }

  nav ul {
    flex-wrap: wrap;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .profile-card img {
    max-width: 220px;
  }

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

  .variant-preview-frame {
    height: 560px;
    min-height: 560px;
  }

  .seminar-layout {
    margin-top: 0.8rem;
  }
}