:root {
  --landing-bg-top: #f8fbff;
  --landing-bg-bottom: #edf3fb;
  --card-border: #dbe5f2;
  --card-shadow: rgba(18, 40, 73, 0.12);
  --text-main: #1d2633;
  --text-muted: #5f6b7a;
  --accent: #0d6efd;
  --accent-soft: #eaf2ff;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 8% 12%, #e5efff 0, transparent 32%),
    radial-gradient(circle at 92% 88%, #dfeaff 0, transparent 34%),
    linear-gradient(180deg, var(--landing-bg-top) 0%, var(--landing-bg-bottom) 100%);
}

.landing-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.landing-card {
  max-width: 1060px;
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 20px 40px -24px var(--card-shadow);
  overflow: hidden;
}

.media-wrap {
  position: relative;
  min-height: 305px;
  background: linear-gradient(145deg, #eff5ff, #e5edf9);
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.content-wrap {
  padding: 2rem 1.65rem;
}

.kicker {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #3c4f67;
  font-weight: 700;
}

.site-title {
  margin: 0;
  font-family: "Merriweather", "Georgia", serif;
  font-weight: 900;
  font-size: clamp(2rem, 3.8vw, 3rem);
  line-height: 1.1;
  padding-bottom: 0.4rem;
  border-bottom: 4px solid #1b2a42;
}

.lead {
  color: var(--text-muted);
  font-size: 1.2rem;
}

.projects-panel {
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  background: #fcfdff;
  padding: 1rem 1.1rem;
}

.certificate-panel {
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  background: #fcfdff;
  padding: 0.75rem 1.1rem;
}

.projects-title {
  margin: 0;
  color: #31465f;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.project-links li + li {
  margin-top: 0.45rem;
}

.project-link {
  display: inline-block;
  color: #123a66;
  text-decoration: none;
  padding: 0.15rem 0.45rem;
  border-radius: 0.4rem;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.project-link:hover,
.project-link:focus-visible {
  color: #0a2c54;
  background-color: var(--accent-soft);
  transform: translateX(2px);
}

.project-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.certificate-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  line-height: 1.3;
}

.certificate-link-icon {
  width: 0.95em;
  height: 0.95em;
  flex: 0 0 auto;
  vertical-align: middle;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.certificate-modal .modal-content {
  border: 1px solid var(--card-border);
  border-radius: 0.9rem;
  box-shadow: 0 20px 40px -24px var(--card-shadow);
  overflow: hidden;
}

.certificate-modal .modal-header {
  background: #fcfdff;
  border-bottom-color: var(--card-border);
}

.certificate-modal .modal-title {
  color: #31465f;
  font-family: "Merriweather", "Georgia", serif;
  font-weight: 700;
}

.certificate-modal .modal-body {
  padding: 0;
  background: #f8fbff;
}

.certificate-frame {
  width: 100%;
  min-height: min(76vh, 900px);
  border: 0;
}

.template-help {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.template-help code {
  color: #1f4f86;
}

@media (max-width: 991px) {
  .landing-card {
    max-width: 790px;
  }

  .media-wrap {
    min-height: 280px;
  }

  .content-wrap {
    padding: 1.5rem 1.3rem;
  }

  .certificate-frame {
    min-height: 70vh;
  }
}

@media (max-width: 575px) {
  .certificate-link {
    gap: 0.3rem;
    align-items: center;
  }

  .certificate-link-icon {
    width: 0.9em;
    height: 0.9em;
  }
}