* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #f8f9fc;
  --surface: #ffffff;
  --surface-muted: #f0f2f7;
  --text: #2b3242;
  --text-muted: #637099;
  --text-soft: #7787ad;
  --border: #e2e6ef;
  --primary: #0369d1;
  --primary-hover: #0552a5;
  --secondary: #19886c;
  --badge-bg: #e0effe;
  --badge-text: #084988;
  --success-bg: #dcfce7;
  --success-text: #166534;
  --warning-bg: #fef9c3;
  --warning-text: #854d0e;
  --danger-bg: #fee2e2;
  --danger-text: #991b1b;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 18px 48px rgba(15, 23, 42, 0.08);
  --hero-from: #0f172a;
  --hero-via: #581c87;
  --hero-to: #0f172a;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-cyan: #22d3ee;
  --glass-border: rgba(139, 92, 246, 0.28);
  --glass-surface: rgba(255, 255, 255, 0.78);
  --section-light: #ffffff;
  --section-alt: #f8f9fc;
}

html.dark {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #111827;
  --surface-muted: #1f2937;
  --text: #f8f9fc;
  --text-muted: #ced5e4;
  --text-soft: #b3bdd5;
  --border: #374151;
  --primary: #38a3f7;
  --primary-hover: #7cc5fb;
  --secondary: #4fd1a5;
  --badge-bg: rgba(10, 60, 113, 0.5);
  --badge-text: #7cc5fb;
  --success-bg: rgba(20, 83, 45, 0.34);
  --success-text: #bbf7d0;
  --warning-bg: rgba(113, 63, 18, 0.34);
  --warning-text: #fde68a;
  --danger-bg: rgba(127, 29, 29, 0.34);
  --danger-text: #fecaca;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.18), 0 18px 42px rgba(0, 0, 0, 0.2);
  --glass-border: rgba(139, 92, 246, 0.36);
  --glass-surface: rgba(15, 23, 42, 0.56);
  --section-light: #0f172a;
  --section-alt: #111827;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

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

button {
  font: inherit;
}

a,
button {
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease,
    box-shadow 160ms ease, transform 160ms ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #0f172a 0, #111827 34rem, var(--section-alt) 34rem, var(--section-light) 100%);
}

html.dark .page {
  background:
    linear-gradient(180deg, #0f172a 0, #111827 34rem, var(--section-alt) 34rem, var(--section-light) 100%);
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  margin: 0;
  padding: 0 max(16px, calc((100vw - 1180px) / 2));
  min-height: 72px;
  border-bottom: 1px solid rgba(229, 231, 235, 0.2);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(16px);
}

html.dark .topbar {
  border-bottom-color: rgba(55, 65, 81, 0.36);
  background: rgba(17, 24, 39, 0.82);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 0;
  color: #111827;
  font-weight: 800;
}

html.dark .brand {
  color: #ffffff;
}

.brand span:last-child {
  display: grid;
  line-height: 1.05;
  white-space: nowrap;
}

.brand span:last-child::after {
  content: "Cloud Architect";
  margin-top: 4px;
  color: #6b7280;
  font-size: 12px;
  font-weight: 600;
}

html.dark .brand span:last-child::after {
  color: #9ca3af;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(90deg, #3b82f6, #9333ea);
  color: #ffffff;
  font-size: 18px;
  box-shadow: 0 10px 28px rgba(59, 130, 246, 0.24);
}

.nav-actions,
.hero-actions,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-actions {
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 4px;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  min-height: 42px;
  padding: 0;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle-lines::before {
  top: -6px;
}

.menu-toggle-lines::after {
  top: 6px;
}

.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.46);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.topbar .button {
  min-height: 40px;
  padding: 0 14px;
  border-color: transparent;
  border-radius: 8px;
  color: #374151;
  background: transparent;
  box-shadow: none;
  font-weight: 700;
  backdrop-filter: none;
}

html.dark .topbar .button {
  color: #e5e7eb;
}

.topbar .button:hover,
.topbar .button.is-active {
  border-color: transparent;
  background: #dbeafe;
  color: #2563eb;
  box-shadow: none;
}

html.dark .topbar .button:hover,
html.dark .topbar .button.is-active {
  background: rgba(30, 64, 175, 0.22);
  color: #60a5fa;
}

.topbar .theme-toggle {
  width: 40px;
  padding: 0;
  color: #6b7280;
}

.topbar .theme-toggle:hover {
  color: #111827;
}

html.dark .topbar .theme-toggle {
  color: #9ca3af;
}

html.dark .topbar .theme-toggle:hover {
  color: #ffffff;
}

.topbar .theme-toggle #theme-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.topbar .menu-toggle {
  display: none;
}

.button:hover,
.text-link:hover,
.filter-button:hover {
  transform: translateY(-1px);
  border-color: rgba(96, 165, 250, 0.72);
  background: rgba(255, 255, 255, 0.1);
}

.button.primary,
.text-link.primary {
  border-color: rgba(96, 165, 250, 0.4);
  background: linear-gradient(90deg, #7c3aed, #2563eb);
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(124, 58, 237, 0.28);
}

.button.primary:hover,
.text-link.primary:hover {
  background: linear-gradient(90deg, #6d28d9, #1d4ed8);
}

.button.is-active {
  border-color: rgba(96, 165, 250, 0.55);
  background: rgba(59, 130, 246, 0.18);
  color: #ffffff;
}

.theme-toggle {
  gap: 8px;
}

.theme-toggle::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #60a5fa;
  box-shadow: inset 4px -4px 0 rgba(15, 23, 42, 0.8);
}

html.dark .theme-toggle::before {
  background: #facc15;
  box-shadow: none;
}

.topbar .button:hover,
.topbar .button.is-active {
  transform: translateY(-1px);
  border-color: transparent;
  background: #dbeafe;
  color: #2563eb;
  box-shadow: none;
}

html.dark .topbar .button:hover,
html.dark .topbar .button.is-active {
  background: rgba(30, 64, 175, 0.22);
  color: #60a5fa;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  max-width: none;
  padding: 148px max(16px, calc((100vw - 1180px) / 2)) 74px;
  background:
    radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.18), transparent 28rem),
    radial-gradient(circle at 18% 18%, rgba(139, 92, 246, 0.26), transparent 30rem),
    linear-gradient(135deg, var(--hero-from), var(--hero-via), var(--hero-to));
  color: #ffffff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.75;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: min(9vw, 7rem);
  bottom: 3rem;
  z-index: -1;
  width: 20rem;
  height: 20rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.24), rgba(168, 85, 247, 0.2));
  filter: blur(64px);
  opacity: 0.9;
  pointer-events: none;
}

.kicker {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 18px;
  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.16);
  color: #93c5fd;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.48rem 0.82rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  color: #ffffff;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  color: var(--text);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: 0;
}

h3 {
  color: var(--text);
  font-size: 21px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 790px;
  color: #d1d5db;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.58;
}

.hero-support,
.section-head p,
.card p,
.detail p,
.lab-note p,
.footer,
.empty-state {
  color: var(--text-muted);
}

.hero-actions {
  margin-top: 28px;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.section {
  padding: 76px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-head p {
  max-width: 660px;
  line-height: 1.65;
}

.filter-bar {
  position: sticky;
  top: 75px;
  z-index: 3;
  padding: 14px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
  background: color-mix(in srgb, var(--section-light) 86%, transparent);
  backdrop-filter: blur(16px);
}

.filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-button {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 8px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.filter-button[aria-pressed="true"] {
  border-color: rgba(96, 165, 250, 0.58);
  background: linear-gradient(90deg, #7c3aed, #2563eb);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(59, 130, 246, 0.22);
}

.grid {
  display: grid;
  gap: 20px;
}

.featured-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid {
  align-items: stretch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid[data-count="1"] {
  grid-template-columns: minmax(0, 380px);
}

.card-grid[data-count="2"] {
  grid-template-columns: repeat(2, minmax(0, 380px));
}

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

.card,
.lab-note,
.empty-state {
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 12px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface-muted) 28%, var(--surface))),
    var(--surface);
  box-shadow: var(--shadow);
}

.card {
  display: flex;
  min-height: 100%;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.14);
}

.card.engineering {
  border-color: color-mix(in srgb, var(--accent-purple) 30%, var(--border));
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 16px;
  padding: 26px;
}

.meta-row,
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(59, 130, 246, 0.22);
  border-radius: 999px;
  background: color-mix(in srgb, var(--badge-bg) 78%, transparent);
  color: var(--badge-text);
  font-size: 12px;
  font-weight: 800;
}

.pill.live {
  border-color: color-mix(in srgb, var(--secondary) 26%, transparent);
  background: var(--success-bg);
  color: var(--success-text);
}

.pill.soon {
  border-color: color-mix(in srgb, var(--warning-text) 18%, transparent);
  background: var(--warning-bg);
  color: var(--warning-text);
}

.pill.beta {
  border-color: color-mix(in srgb, var(--danger-text) 18%, transparent);
  background: var(--danger-bg);
  color: var(--danger-text);
}

.product-details {
  display: grid;
  gap: 10px;
}

.detail {
  display: grid;
  gap: 4px;
}

.mini-label {
  color: var(--text);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tags {
  margin-top: auto;
  padding-top: 2px;
}

.tag {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
}

.tag::before {
  content: "#";
  color: var(--accent-blue);
}

.link-row {
  margin-top: 4px;
}

.lab-note,
.final-cta {
  padding: 28px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-purple) 9%, var(--surface)), var(--surface));
}

.final-cta {
  margin: 34px auto 58px;
  border: 1px solid color-mix(in srgb, var(--accent-purple) 30%, var(--border));
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.footer {
  padding: 36px 0 52px;
  border-top: 1px solid var(--border);
  background: var(--section-alt);
}

.footer a {
  color: var(--primary);
  font-weight: 700;
}

.empty-state {
  display: none;
  padding: 28px;
}

.detail-article {
  display: grid;
  gap: 28px;
  padding-top: 70px;
  padding-bottom: 70px;
}

.detail-panel {
  padding: 24px;
}

.detail-hero {
  padding-bottom: 88px;
}

.detail-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.48fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.detail-hero-content {
  max-width: 760px;
}

.product-visual-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(139, 92, 246, 0.36);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 27, 75, 0.72)),
    rgba(15, 23, 42, 0.7);
  box-shadow: 0 28px 90px rgba(2, 6, 23, 0.48), 0 0 60px rgba(139, 92, 246, 0.14);
  padding: 24px;
}

.product-visual-card::before {
  content: "";
  position: absolute;
  inset: -30% auto auto 45%;
  width: 14rem;
  height: 14rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.38), rgba(34, 211, 238, 0.28));
  filter: blur(34px);
}

.product-visual-card > * {
  position: relative;
  z-index: 1;
}

.visual-score {
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  margin-bottom: 24px;
  border: 1px solid rgba(96, 165, 250, 0.32);
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  color: #ffffff;
  font-size: 30px;
  font-weight: 800;
}

.visual-list {
  display: grid;
  gap: 12px;
}

.visual-list span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #dbeafe;
  background: rgba(15, 23, 42, 0.52);
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
}

.visual-list span::after {
  content: "";
  width: 34px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, #7c3aed, #22d3ee);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.section-copy {
  color: var(--text-muted);
  line-height: 1.75;
}

.check-list,
.timeline-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.timeline-list li {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text-muted);
  padding: 14px 14px 14px 42px;
  line-height: 1.55;
}

.check-list li::before,
.timeline-list li::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 16px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
}

.compact-grid,
.feature-grid,
.related-grid {
  display: grid;
  gap: 16px;
}

.compact-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.feature-grid,
.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-card {
  min-height: 100%;
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.06);
  padding: 18px;
}

.mini-card h3,
.mini-card p {
  margin: 0;
}

.mini-card h3 {
  font-size: 16px;
  line-height: 1.3;
}

.mini-card p {
  margin-top: 8px;
  color: var(--text-muted);
  line-height: 1.6;
}

.business-model {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.placeholder-box {
  padding: 28px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  background: var(--surface);
}

.project-hero {
  padding-bottom: 68px;
}

.project-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(28px, 5vw, 64px);
  align-items: end;
}

.project-hero-copy {
  max-width: 820px;
}

.project-summary-card,
.sidebar-panel,
.case-section,
.repo-card,
.tool-group-card,
.skill-card,
.star-card,
.screenshot-card {
  border: 1px solid color-mix(in srgb, var(--border) 74%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 88%, transparent), color-mix(in srgb, var(--surface-muted) 34%, var(--surface))),
    var(--surface);
  box-shadow: var(--shadow);
}

.project-summary-card {
  border-color: rgba(139, 92, 246, 0.32);
  border-radius: 18px;
  color: #dbeafe;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.84), rgba(30, 27, 75, 0.72)),
    rgba(15, 23, 42, 0.7);
  padding: 22px;
  backdrop-filter: blur(16px);
}

.summary-eyebrow {
  display: block;
  margin-bottom: 14px;
  color: #93c5fd;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-summary-card dl,
.sidebar-panel dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.project-summary-card div,
.sidebar-panel div {
  display: grid;
  gap: 4px;
}

.project-summary-card dt,
.sidebar-panel dt {
  color: inherit;
  opacity: 0.72;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-summary-card dd,
.sidebar-panel dd {
  margin: 0;
  line-height: 1.45;
}

.project-summary-card a,
.sidebar-panel a {
  color: #93c5fd;
  font-weight: 800;
}

.case-study {
  padding-top: 62px;
  padding-bottom: 72px;
}

.case-study-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.case-sidebar {
  position: sticky;
  top: 96px;
}

.sidebar-panel {
  border-radius: 16px;
  padding: 20px;
}

.case-main {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.case-section {
  overflow: hidden;
  border-radius: 18px;
  padding: clamp(22px, 3vw, 34px);
}

.case-section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.case-section-head .kicker {
  margin-bottom: 0;
}

.case-section h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.12;
}

.case-section-head p,
.summary-copy p,
.repo-card p,
.skill-card p,
.star-card p,
.screenshot-card p {
  color: var(--text-muted);
  line-height: 1.68;
}

.star-grid,
.architecture-grid,
.tool-group-grid,
.skill-grid,
.links-grid,
.screenshot-grid {
  display: grid;
  gap: 16px;
}

.star-grid,
.tool-group-grid,
.links-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skill-grid,
.screenshot-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.star-card,
.tool-group-card,
.skill-card,
.repo-card,
.screenshot-card {
  border-radius: 16px;
  padding: 18px;
}

.star-card span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.architecture-grid {
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 1fr);
  align-items: stretch;
}

.architecture-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.architecture-copy h3,
.tool-group-card h3,
.skill-card h3,
.repo-card h3,
.process-timeline h3,
.screenshot-card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.25;
}

.architecture-visual {
  display: grid;
  gap: 10px;
  margin: 0;
}

.architecture-visual img {
  width: 100%;
  min-height: 260px;
  max-height: 460px;
  object-fit: contain;
  border: 1px solid rgba(96, 165, 250, 0.26);
  border-radius: 16px;
  background: #0f172a;
  padding: 12px;
}

.architecture-visual figcaption {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
}

.diagram-placeholder,
.shot-placeholder {
  display: grid;
  place-items: center;
  min-height: 260px;
  border: 1px dashed color-mix(in srgb, var(--accent-purple) 40%, var(--border));
  border-radius: 16px;
  color: var(--text-muted);
  background:
    linear-gradient(rgba(59, 130, 246, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.08) 1px, transparent 1px),
    color-mix(in srgb, var(--surface-muted) 50%, transparent);
  background-size: 28px 28px;
  padding: 24px;
  text-align: center;
}

.diagram-placeholder strong,
.shot-placeholder strong {
  display: block;
  color: var(--text);
  font-size: 18px;
}

.diagram-placeholder span,
.shot-placeholder span {
  margin-top: 6px;
  font-size: 13px;
}

.tool-group-card,
.repo-card {
  display: grid;
  align-content: start;
  gap: 14px;
}

.tool-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(59, 130, 246, 0.22);
  border-radius: 999px;
  color: var(--badge-text);
  background: color-mix(in srgb, var(--badge-bg) 72%, transparent);
  font-size: 12px;
  font-weight: 800;
}

.process-timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-timeline li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  padding: 16px;
}

.step-number {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #ffffff;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  font-weight: 900;
}

.process-timeline p {
  margin: 8px 0 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.process-timeline .tool-chip-row {
  margin-top: 12px;
}

.summary-copy {
  display: grid;
  gap: 14px;
  max-width: 820px;
}

.screenshot-card {
  display: grid;
  gap: 14px;
  color: inherit;
}

.screenshot-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  border: 1px solid rgba(96, 165, 250, 0.18);
  border-radius: 14px;
  background: #0f172a;
  padding: 10px;
}

.screenshot-card.placeholder {
  padding: 0;
}

.screenshot-card .shot-placeholder {
  min-height: 210px;
}

.repo-card .text-link {
  justify-self: start;
}

.case-related-grid .mini-card {
  display: grid;
  gap: 10px;
  align-content: start;
}

.case-related-grid .mini-card::after {
  content: "View";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  color: #ffffff;
  background: linear-gradient(90deg, #7c3aed, #2563eb);
  font-size: 13px;
  font-weight: 900;
}

.case-final-cta {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .filter-bar {
    top: 73px;
  }

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

  .card-grid[data-count="1"] {
    grid-template-columns: minmax(0, 420px);
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .detail-hero-grid,
  .project-hero-grid,
  .case-study-layout,
  .architecture-grid,
  .split-section,
  .business-model {
    grid-template-columns: 1fr;
  }

  .case-sidebar {
    position: static;
  }

  .star-grid,
  .tool-group-grid,
  .links-grid,
  .screenshot-grid,
  .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .topbar {
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
    min-height: 64px;
    padding: 10px 16px;
  }

  .topbar .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-actions {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    width: 100%;
    justify-content: stretch;
    gap: 8px;
    padding: 14px 16px 16px;
    border-top: 1px solid rgba(229, 231, 235, 0.86);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(16px);
  }

  html.dark .nav-actions {
    border-top-color: rgba(55, 65, 81, 0.9);
    background: rgba(17, 24, 39, 0.98);
  }

  .nav-actions.is-open {
    display: grid;
    grid-template-columns: 1fr;
  }

  .topbar .button {
    min-height: 44px;
    justify-content: flex-start;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .brand span:last-child {
    font-size: 16px;
  }

  .brand span:last-child::after {
    font-size: 11px;
  }

  .topbar .menu-toggle,
  .topbar .theme-toggle {
    justify-content: center;
  }

  .filter-bar {
    top: 64px;
  }

  .hero {
    padding-top: 118px;
  }

  h1 {
    font-size: clamp(40px, 14vw, 56px);
    line-height: 1.02;
  }

  .filters {
    padding-bottom: 6px;
    scroll-padding-inline: 16px;
  }

  .filter-button {
    min-height: 42px;
  }

  .featured-grid,
  .card-grid,
  .card-grid[data-count="1"],
  .card-grid[data-count="2"],
  .two-grid,
  .compact-grid,
  .feature-grid,
  .related-grid,
  .star-grid,
  .tool-group-grid,
  .skill-grid,
  .links-grid,
  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .card-body,
  .lab-note,
  .final-cta,
  .detail-panel,
  .project-summary-card,
  .case-section,
  .repo-card,
  .tool-group-card,
  .skill-card,
  .star-card {
    padding: 20px;
  }

  .button,
  .text-link,
  .link-row,
  .cta-actions {
    width: 100%;
  }

  .detail-article {
    padding-top: 42px;
  }

  .case-study {
    padding-top: 42px;
  }

  .process-timeline li {
    grid-template-columns: 1fr;
  }

  .repo-card .text-link {
    justify-self: stretch;
  }
}