:root {
  --c-navy: #13294B;
  --c-navy-light: #1d3a66;
  --c-navy-deeper: #0c1524;
  --c-steel: #2c5f8a;
  --c-carolina: #4B9CD3;
  --c-carolina-light: #7BB8E0;
  --c-carolina-pale: #a8d1ed;
  --c-cream: #e8e0d4;
  --c-gold: #c9b896;

  --c-bg: var(--c-navy-deeper);
  --c-surface: rgba(255, 255, 255, 0.025);
  --c-surface-hover: rgba(123, 184, 224, 0.07);
  --c-border: rgba(123, 184, 224, 0.16);
  --c-border-strong: rgba(123, 184, 224, 0.4);
  --c-text: #e8eef6;
  --c-text-muted: rgba(232, 238, 246, 0.6);
  --c-text-faint: rgba(232, 238, 246, 0.32);
  --c-accent: var(--c-carolina-light);

  --gradient-prism: linear-gradient(135deg, #a8d1ed 0%, #7BB8E0 35%, #2c5f8a 70%, #13294B 100%);
  --gradient-soft: linear-gradient(180deg, rgba(75, 156, 211, 0.05), rgba(19, 41, 75, 0));

  --radius-card: 14px;
  --radius-mark: 14px;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, serif;
  --font-italic: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--c-bg);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(75, 156, 211, 0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 110%, rgba(75, 156, 211, 0.05), transparent 60%),
    var(--c-bg);
  background-attachment: fixed;
  min-height: 100dvh;
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  overscroll-behavior-y: none;
}

a { color: inherit; text-decoration: none; }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 40px) 80px;
}

/* ── Hero ───────────────────────────────────────────────────────── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: clamp(36px, 6vw, 64px);
}

.brand-mark {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-mark);
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow:
    0 14px 40px -14px rgba(75, 156, 211, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.brand-mark svg { width: 100%; height: 100%; display: block; }

.eyebrow {
  margin: 22px 0 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--c-carolina-light);
  text-transform: uppercase;
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.08s both;
}

.title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(40px, 7.5vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--c-text);
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.16s both;
}
.title em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 500;
  color: var(--c-carolina-light);
  margin-right: 0.14em;
}

.kicker {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.32s both;
}

.diamond-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: clamp(180px, 40vw, 240px);
  margin: 20px 0 16px;
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.24s both;
}
.diamond-divider .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border-strong), transparent);
}
.diamond-divider .diamond {
  color: var(--c-carolina-light);
  font-size: 9px;
  line-height: 1;
}
.diamond-divider.small {
  width: clamp(140px, 30vw, 180px);
  margin: 0 0 12px;
}

/* ── Tabs ──────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  margin: 0 auto clamp(36px, 5vw, 52px);
  border-bottom: 1px solid var(--c-border);
  max-width: 480px;
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}
.tab {
  position: relative;
  flex: 1;
  background: none;
  border: 0;
  color: var(--c-text-muted);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  padding: 14px 24px;
  cursor: pointer;
  transition: color 220ms ease;
  -webkit-tap-highlight-color: transparent;
}
.tab:hover { color: var(--c-text); }
.tab.is-active { color: var(--c-carolina-light); }
.tab.is-active::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: -1px;
  height: 2px;
  background: var(--c-carolina-light);
  border-radius: 2px;
}
.tab:focus-visible {
  outline: 2px solid var(--c-carolina-light);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ── Catalogue (sections) ──────────────────────────────────────── */
.catalogue {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 52px);
}
.catalogue[hidden],
.stack[hidden] { display: none; }

/* ── Stack tab ─────────────────────────────────────────────────── */
.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 7vw, 80px);
}
.stack-project {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stack-title {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--c-text);
  text-align: center;
}
.stack-project .diamond-divider {
  margin: 4px 0 clamp(20px, 3vw, 28px);
}
.stack-project .grid { width: 100%; }

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  overflow: hidden;
}
.service-icon img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
}

.section { display: block; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 4px 18px;
}
.section-eyebrow {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.34em;
  color: var(--c-carolina-light);
  text-transform: uppercase;
  flex-shrink: 0;
}
.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--c-border-strong), transparent 90%);
  transform: translateY(-3px);
}
.section-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-text-faint);
  flex-shrink: 0;
  font-feature-settings: "tnum";
}

/* ── Grid ───────────────────────────────────────────────────────── */
/* Flex-wrap (not grid) so every under-filled row centers independently —
   grid auto-fit shares column tracks across rows, leaving a lone 4th card
   stranded left. */
.grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
@media (min-width: 640px) {
  .grid {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
  }
  .grid > .card {
    flex: 1 0 260px;
    max-width: 320px;
  }
}

/* ── Card ───────────────────────────────────────────────────────── */
.card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  min-height: 76px;
  background: var(--c-surface);
  background-image: var(--gradient-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  isolation: isolate;
  transition:
    transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 220ms ease,
    background-color 220ms ease,
    box-shadow 220ms ease;
  -webkit-tap-highlight-color: transparent;
  animation: card-rise 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--i, 0) * 55ms + 380ms);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-prism);
  opacity: 0;
  transition: opacity 280ms ease;
  z-index: -1;
  mix-blend-mode: overlay;
}

a.card:hover,
a.card:focus-visible {
  border-color: var(--c-border-strong);
  background-color: var(--c-surface-hover);
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -18px rgba(75, 156, 211, 0.32);
}
a.card:hover::before,
a.card:focus-visible::before { opacity: 0.06; }
a.card:active { transform: translateY(0) scale(0.99); }
a.card:focus-visible {
  outline: 2px solid var(--c-carolina-light);
  outline-offset: 3px;
}

.project-card:hover {
  border-color: var(--c-border-strong);
  background-color: var(--c-surface-hover);
  box-shadow: 0 18px 36px -18px rgba(75, 156, 211, 0.32);
}
.project-card:hover::before { opacity: 0.06; }

/* ── Mini prism mark on each card ──────────────────────────────── */
.prism {
  display: flex;
  width: 44px;
  height: 36px;
  flex-shrink: 0;
  transform: skewX(-12deg);
  filter: drop-shadow(0 6px 12px rgba(75, 156, 211, 0.35));
  border-radius: 2px;
  overflow: hidden;
}
.prism > span { flex: 1; display: block; }
.prism > span:nth-child(1) { background: #a8d1ed; }
.prism > span:nth-child(2) { background: #7BB8E0; }
.prism > span:nth-child(3) { background: #2c5f8a; }
.prism > span:nth-child(4) { background: #13294B; }

/* Per-project SVG mark — replaces .prism on cards that map to ICON_MARKS. */
.icon-mark {
  display: block;
  width: 44px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 12px rgba(75, 156, 211, 0.32));
}
.icon-mark svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

/* ── Card body ──────────────────────────────────────────────────── */
.card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}
.card-name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--c-text);
  word-break: break-word;
}
.card-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.01em;
  color: var(--c-text-muted);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.card-arrow {
  font-size: 22px;
  line-height: 1;
  color: var(--c-text-faint);
  font-weight: 300;
  transition: color 220ms ease, transform 220ms ease;
  flex-shrink: 0;
}
.card:hover .card-arrow,
.card:focus-visible .card-arrow {
  color: var(--c-carolina-light);
  transform: translate(2px, -2px);
}

/* ── Card actions (deployment + repo buttons) ───────────────────── */
.card-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
  transition:
    color 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease,
    transform 200ms ease,
    box-shadow 200ms ease;
  -webkit-tap-highlight-color: transparent;
}
.card-action svg {
  width: 18px;
  height: 18px;
  display: block;
}
.card-action:hover,
.card-action:focus-visible {
  color: var(--c-carolina-light);
  border-color: var(--c-border-strong);
  background-color: rgba(123, 184, 224, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px -10px rgba(75, 156, 211, 0.55);
}
.card-action:focus-visible {
  outline: 2px solid var(--c-carolina-light);
  outline-offset: 2px;
}
.card-action:active { transform: translateY(0) scale(0.96); }

/* ── Footer ─────────────────────────────────────────────────────── */
.foot {
  margin-top: clamp(48px, 8vw, 76px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.foot p {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--c-text-faint);
  text-transform: uppercase;
}

/* ── Animations ─────────────────────────────────────────────────── */
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes card-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
  }
}