:root {
  --bg: #1f3a2e;
  --bg-deep: #162a22;
  --ink: #e8dfc8;
  --ink-soft: rgba(232, 223, 200, 0.72);
  --line: rgba(232, 223, 200, 0.85);
  --font-display: "Syne", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 12% 30%, rgba(255, 255, 255, 0.05), transparent 55%),
    radial-gradient(ellipse 70% 50% at 88% 70%, rgba(0, 0, 0, 0.22), transparent 50%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-deep) 100%);
  z-index: 0;
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  width: min(1120px, calc(100% - 4rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: 4rem;
  padding: 3.5rem 0;
}

.identity {
  animation: rise 700ms ease-out both;
}

.name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.name span {
  display: block;
}

.title {
  margin: 1.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.profile-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.profile-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  transition: color 180ms ease, transform 180ms ease;
}

.profile-link:hover,
.profile-link:focus-visible {
  color: #fff8e8;
  transform: translateX(2px);
}

.profile-mark {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: lowercase;
}

.projects {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  animation: rise 700ms ease-out 120ms both;
}

.project-link {
  display: grid;
  place-items: center;
  min-height: 3.35rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(0.78rem, 1.3vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.project-link:hover,
.project-link:focus-visible {
  background: rgba(232, 223, 200, 0.1);
  border-color: #fff8e8;
  color: #fff8e8;
  transform: translateY(-1px);
}

.project-link:focus-visible,
.profile-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— SSO catalog page —— */
.shell.sso-page {
  grid-template-columns: 1fr;
  align-content: start;
  gap: 2rem;
  padding: 3rem 0 4rem;
  max-width: 720px;
  width: min(720px, calc(100% - 4rem));
  animation: rise 700ms ease-out both;
}

.back-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-weight: 500;
  transition: color 180ms ease;
  width: fit-content;
}

.back-link:hover,
.back-link:focus-visible {
  color: #fff8e8;
}

.sso-header {
  margin: 0;
}

.sso-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.1;
}

.sso-lead {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 36rem;
  line-height: 1.45;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
}

.sso-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 28rem;
}

.sso-table th,
.sso-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(232, 223, 200, 0.25);
  vertical-align: top;
}

.sso-table tr:last-child td {
  border-bottom: none;
}

.sso-table th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom-color: var(--line);
}

.sso-table a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sso-table a:hover {
  color: #fff8e8;
}

.sso-muted {
  color: var(--ink-soft);
  font-size: 0.85em;
}

.sso-arch {
  margin: 0;
}

.sso-section-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.sso-note {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.45;
  max-width: 36rem;
}

.sso-diagram {
  margin: 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.78rem;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 2.5rem, 560px);
    grid-template-columns: 1fr;
    align-content: center;
    gap: 2.75rem;
    padding: 3rem 0;
  }

  .shell.sso-page {
    width: min(100% - 2.5rem, 560px);
    align-content: start;
    gap: 1.75rem;
  }

  .identity {
    text-align: left;
  }

  .name {
    font-size: clamp(2.4rem, 11vw, 3.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .identity,
  .projects,
  .project-link,
  .profile-link,
  .shell.sso-page {
    animation: none;
    transition: none;
  }
}