:root {
  --bg: #08080c;
  --bg-soft: #0d0d14;
  --bg-elevated: rgba(18, 18, 28, 0.82);
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.055);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f7fb;
  --text-soft: #c7c9d4;
  --text-muted: #8f93a4;
  --pink: #ff1493;
  --pink-soft: #ff4dab;
  --purple: #8b5cf6;
  --cyan: #00bcd4;
  --red: #d32f2f;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 12px 36px rgba(0, 0, 0, 0.24);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --section-pad: clamp(5rem, 9vw, 9rem);
  --shell: min(1180px, calc(100% - 2rem));
  --prose: 820px;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(255, 20, 147, 0.12), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(0, 188, 212, 0.1), transparent 25%),
    radial-gradient(circle at 50% 85%, rgba(139, 92, 246, 0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

code,
pre {
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    Menlo,
    monospace;
}

::selection {
  background: rgba(255, 20, 147, 0.35);
  color: #fff;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 999;
  transform: translateY(-150%);
  padding: 0.8rem 1rem;
  border-radius: 10px;
  background: #fff;
  color: #000;
  font-weight: 700;
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-pad);
}

.section-contrast {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0.008)),
    rgba(255, 255, 255, 0.01);
  border-block: 1px solid rgba(255, 255, 255, 0.04);
}

.section-introduction {
  padding-top: clamp(4rem, 7vw, 7rem);
}

.section-heading {
  margin-bottom: clamp(2.2rem, 4vw, 4rem);
}

.section-heading-wide {
  max-width: 920px;
}

h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
  word-break: break-word;
}

.section-heading h2,
.closing-section h2 {
  margin: 0;
  font-size: clamp(1.5rem, 5.4vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 800;
}

.section-heading h2 span,
.closing-section h2 span,
.hero-copy h1 span {
  display: block;
  background: linear-gradient(90deg, var(--pink), #ff70bd 45%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

not-used {
  /* removed split columns */
}

.split-heading {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

.section-summary {
  margin: 0;
  max-width: 820px;
  color: var(--text-soft);
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
}

.eyebrow,
.card-label {
  margin: 0 0 0.9rem;
  color: var(--pink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.prose {
  max-width: var(--prose);
}

.prose-large {
  max-width: 900px;
}

.prose p,
.decision-essay > p,
.specification-block > p,
.alternative-card p,
.setup-content p,
.glass-card p,
.dashboard-feature-grid p,
.repository-feature-grid p,
.operational-grid p {
  color: var(--text-soft);
}

.prose p,
.decision-essay > p,
.specification-block > p {
  margin: 0 0 1.35rem;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.prose strong {
  color: var(--text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(8, 8, 12, 0.76);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header-inner {
  width: var(--shell);
  min-height: 74px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow:
    0 0 18px rgba(255, 20, 147, 0.9),
    0 0 40px rgba(255, 20, 147, 0.42);
}

.brand-name span,
.footer-brand span {
  color: var(--pink);
}

.site-navigation {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-navigation a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 650;
  transition:
    color var(--transition),
    transform var(--transition);
}

.site-navigation a:hover,
.site-navigation a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(4rem, 7vw, 7rem);
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: 25% 0 auto;
  height: 520px;
  background:
    radial-gradient(circle at 24% 30%, rgba(255, 20, 147, 0.16), transparent 25%),
    radial-gradient(circle at 80% 10%, rgba(0, 188, 212, 0.1), transparent 22%);
  pointer-events: none;
}

.hero-visual {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1600px;
  margin-inline: auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: #050509;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: clamp(3.5rem, 8vw, 7rem);
}

.hero-copy h1 {
  max-width: 1000px;
  margin: 0;
  font-size: clamp(2rem, 7.5vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
  font-weight: 850;
}

.hero-summary {
  max-width: 820px;
  margin: 2rem 0 0;
  color: var(--text);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.45;
}

.hero-detail {
  max-width: 760px;
  margin: 1.2rem 0 0;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--pink), #ff4dab);
  color: #fff;
  box-shadow: 0 12px 34px rgba(255, 20, 147, 0.27);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 16px 42px rgba(255, 20, 147, 0.38);
}

.button-secondary {
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.06);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

.hero-meta span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.52rem 0.78rem;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 4rem;
}

.feature-item,
.dashboard-feature-grid article,
.repository-feature-grid article,
.operational-grid article,
.spec-grid article,
.benefit-list article,
.deployment-grid article {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018)),
    rgba(12, 12, 18, 0.72);
  box-shadow: var(--shadow-soft);
}

.feature-item {
  min-height: 220px;
  padding: 1.5rem;
}

.feature-item::before {
  content: "";
  position: absolute;
  inset: auto -20% -55% 20%;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 20, 147, 0.16), transparent 66%);
}

.feature-number,
.architecture-number,
.setup-number {
  color: var(--pink);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.feature-item h3,
.dashboard-feature-grid h3,
.repository-feature-grid h3,
.operational-grid h3,
.glass-card h3,
.logic-card h3,
.alternative-card h3,
.specification-block h3,
.decision-essay h3,
.setup-content h3 {
  margin: 1rem 0 0.65rem;
  font-size: 1.18rem;
  line-height: 1.25;
}

.feature-item p {
  position: relative;
  margin: 0;
  color: var(--text-soft);
}

.problem-grid,
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.glass-card,
.logic-card,
.alternative-card,
.specification-block,
.decision-essay,
.engineering-note {
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018)),
    rgba(12, 12, 18, 0.76);
  box-shadow: var(--shadow-soft);
}

.glass-card {
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.pull-quote,
.statement-card,
.closing-quote {
  margin: 3.5rem 0 0;
  border: 0;
}

.pull-quote p,
.statement-card p,
.closing-quote p {
  margin: 0;
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.pull-quote {
  max-width: 900px;
  padding-left: 1.5rem;
  border-left: 3px solid var(--pink);
}

.pull-quote p {
  font-size: clamp(1.55rem, 3vw, 2.7rem);
  line-height: 1.2;
}

.statement-card {
  border: 1px solid rgba(255, 20, 147, 0.22);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 4rem);
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 20, 147, 0.15), transparent 32%),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.statement-card p {
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 1.02;
}

.comparison-list {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

.comparison-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.3rem;
  align-items: start;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.comparison-index {
  color: var(--pink);
  font-weight: 900;
}

.comparison-row h3 {
  margin: 0 0 0.35rem;
}

.comparison-row p {
  margin: 0;
  color: var(--text-soft);
}

.image-frame {
  position: relative;
  overflow: hidden;
  margin: 3rem 0 0;
  max-width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
}

.image-frame img {
  width: 100%;
  height: auto;
}

.image-frame figcaption {
  padding: 0.9rem 1.2rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.image-frame-poster {
  max-width: 1050px;
  margin-inline: auto;
}

.dashboard-feature-grid,
.repository-feature-grid,
.operational-grid,
.spec-grid,
.benefit-list,
.deployment-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.dashboard-feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.repository-feature-grid,
.operational-grid,
.spec-grid,
.benefit-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.dashboard-feature-grid article,
.repository-feature-grid article,
.operational-grid article,
.spec-grid article,
.benefit-list article,
.deployment-grid article {
  padding: 1.35rem;
}

.architecture-steps {
  display: grid;
  gap: 1rem;
  margin-top: 3rem;
}

.architecture-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.3rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.architecture-step h3 {
  margin: 0 0 0.4rem;
}

.architecture-step p {
  margin: 0;
  color: var(--text-soft);
}

.architecture-number {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 20, 147, 0.28);
  border-radius: 50%;
  background: rgba(255, 20, 147, 0.06);
  box-shadow: 0 0 28px rgba(255, 20, 147, 0.1);
}

.upsert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.logic-card {
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.2rem);
}

.logic-condition {
  margin: 0;
  color: var(--pink-soft);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.logic-arrow {
  margin-top: 1.2rem;
  color: var(--cyan);
  font-size: 1.8rem;
}

.logic-card p:last-child {
  margin-bottom: 0;
}

.callout {
  margin-top: 2rem;
  border: 1px solid rgba(0, 188, 212, 0.22);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.35rem;
  background: rgba(0, 188, 212, 0.05);
}

.callout-strong {
  border-color: rgba(255, 20, 147, 0.26);
  background:
    linear-gradient(90deg, rgba(255, 20, 147, 0.08), rgba(0, 188, 212, 0.05));
}

.callout p {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.decision-essay {
  margin-top: 2rem;
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 4vw, 3rem);
}

.decision-essay h3 {
  margin-top: 0;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  letter-spacing: -0.04em;
}

.decision-essay h4,
.alternative-card h4,
.specification-block h4 {
  margin: 1.4rem 0 0.45rem;
  color: var(--text);
  font-size: 1rem;
}

.alternative-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.alternative-card {
  border-radius: var(--radius-lg);
  padding: 1.6rem;
}

.alternative-card.selected {
  border-color: rgba(255, 20, 147, 0.34);
  box-shadow:
    0 0 0 1px rgba(255, 20, 147, 0.08),
    0 22px 55px rgba(255, 20, 147, 0.08);
}

.alternative-summary {
  color: var(--text) !important;
  font-weight: 700;
}

.alternative-card ul {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
}

.alternative-card li + li {
  margin-top: 0.35rem;
}

.specification-block {
  margin-top: 1.2rem;
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 4vw, 3rem);
}

.specification-block h3 {
  margin-top: 0;
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  letter-spacing: -0.04em;
}

pre {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
  background: #050509;
  color: #eef1f7;
  font-size: 0.88rem;
  line-height: 1.7;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.3);
}

code {
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
  padding: 0.08rem 0.32rem;
  color: #ffd2ea;
}

pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.parameter-table-wrapper {
  overflow-x: auto;
  margin-top: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.parameter-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  background: rgba(255, 255, 255, 0.02);
}

.parameter-table th,
.parameter-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
  vertical-align: top;
}

.parameter-table th {
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.parameter-table td {
  color: var(--text-soft);
}

.parameter-table tbody tr:last-child td {
  border-bottom: 0;
}

.visual-constants {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.visual-constants article {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.025);
}

.visual-constants h4 {
  margin: 0 0 0.45rem;
}

.security-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.setup-steps {
  display: grid;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.setup-step {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 1.2rem;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2.4rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.018)),
    rgba(12, 12, 18, 0.72);
  box-shadow: var(--shadow-soft);
}

.setup-number {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 20, 147, 0.3);
  border-radius: 50%;
  background: rgba(255, 20, 147, 0.06);
}

.setup-content h3 {
  margin-top: 0;
  font-size: 1.4rem;
}

.engineering-note {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  padding: 1rem;
  background: rgba(139, 92, 246, 0.06);
}

.engineering-note p:last-child {
  margin-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
  transition:
    border-color var(--transition),
    background var(--transition);
}

.faq-list details[open] {
  border-color: rgba(255, 20, 147, 0.24);
  background: rgba(255, 20, 147, 0.035);
}

.faq-list summary {
  position: relative;
  cursor: pointer;
  padding: 1.2rem 3.2rem 1.2rem 1.2rem;
  color: var(--text);
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 1.2rem;
  transform: translateY(-50%);
  color: var(--pink);
  font-size: 1.5rem;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list details p {
  margin: 0;
  padding: 0 1.2rem 1.2rem;
  color: var(--text-soft);
}

.closing-section {
  padding-block: clamp(6rem, 11vw, 11rem);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 20, 147, 0.18), transparent 28%),
    radial-gradient(circle at 85% 70%, rgba(0, 188, 212, 0.12), transparent 30%),
    #07070b;
}

.closing-section h2 {
  max-width: 1050px;
}

.closing-prose {
  margin-top: 2rem;
}

.closing-quote {
  max-width: 1000px;
  margin-top: 3rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(255, 20, 147, 0.24);
  border-radius: var(--radius-lg);
  background: rgba(255, 20, 147, 0.045);
}

.closing-quote p {
  font-size: clamp(1.8rem, 4vw, 3.8rem);
  line-height: 1.08;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #050508;
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2.2rem;
}

.site-footer p {
  margin: 0.2rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-brand {
  color: var(--text) !important;
  font-weight: 900;
  letter-spacing: 0.04em;
}

@media (max-width: 1080px) {
  .feature-strip,
  .dashboard-feature-grid,
  .security-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .repository-feature-grid,
  .operational-grid,
  .spec-grid,
  .benefit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-heading {
    align-items: flex-start;
    gap: 1.25rem;
  }

  .section-summary {
    max-width: var(--prose);
  }
}

@media (max-width: 860px) {
  .site-header-inner {
    position: relative;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-navigation {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--border);
    background: rgba(8, 8, 12, 0.97);
    backdrop-filter: blur(18px);
  }

  .site-navigation.is-open {
    display: flex;
  }

  .site-navigation a {
    width: var(--shell);
    margin-inline: auto;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .hero-visual img {
    aspect-ratio: 16 / 7.5;
  }

  .alternative-grid,
  .upsert-grid,
  .deployment-grid {
    grid-template-columns: 1fr;
  }

  .visual-constants {
    grid-template-columns: 1fr;
  }

  .setup-step,
  .architecture-step {
    grid-template-columns: 1fr;
  }

  .setup-number,
  .architecture-number {
    width: 48px;
    height: 48px;
  }

  .site-footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  :root {
    --shell: min(100% - 1.2rem, 1180px);
  }

  .section {
    padding-block: clamp(4rem, 14vw, 6rem);
  }

  .hero-copy h1 {
    font-size: clamp(1.75rem, 12vw, 3.8rem);
  }

  .hero-summary {
    font-size: 1.1rem;
  }

  .feature-strip,
  .problem-grid,
  .dashboard-feature-grid,
  .repository-feature-grid,
  .operational-grid,
  .spec-grid,
  .benefit-list,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .feature-item {
    min-height: auto;
  }

  .comparison-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .image-frame {
    border-radius: 18px;
  }

  .parameter-table {
    min-width: 620px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   Landing Page Interactive Additions (Tabs, Accordions, Code Blocks)
   ========================================================================== */

/* Spec Accordion */
.spec-accordion-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.spec-details {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(12, 12, 18, 0.72);
  padding: 1.5rem;
  transition: border-color var(--transition), background var(--transition);
  cursor: pointer;
}

.spec-details[open] {
  border-color: rgba(255, 20, 147, 0.28);
  background: rgba(255, 20, 147, 0.035);
}

.spec-details summary {
  list-style: none;
  outline: none;
}

.spec-details summary::-webkit-details-marker {
  display: none;
}

.spec-details-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.spec-details-header h3 {
  margin: 0.4rem 0 0;
  font-size: 1.25rem;
}

.spec-details-arrow {
  color: var(--pink-soft);
  font-size: 1.25rem;
  font-weight: 700;
  transition: transform var(--transition);
}

.spec-details[open] .spec-details-arrow {
  transform: rotate(180deg);
}

.spec-content {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Setup Tabs & Code Window */
.setup-container {
  margin-top: 3rem;
}

.setup-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: -1px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.setup-tab-btn {
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

.setup-tab-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.setup-tab-btn.active {
  border-color: rgba(255, 20, 147, 0.3);
  background: rgba(12, 12, 18, 0.85);
  color: var(--pink-soft);
  box-shadow: inset 0 2px 0 var(--pink);
}

.setup-pane {
  display: none;
  border: 1px solid var(--border);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  padding: 2rem;
  background: rgba(12, 12, 18, 0.85);
  box-shadow: var(--shadow);
}

.setup-pane.active {
  display: block;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.btn-copy {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.btn-copy.copied {
  border-color: var(--cyan);
  background: rgba(0, 188, 212, 0.1);
  color: var(--cyan);
}

.code-block-wrapper {
  position: relative;
}

.code-block-wrapper pre {
  margin: 0;
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.35);
  overflow-x: auto;
  font-size: 0.88rem;
  color: var(--text-soft);
}

@media (max-width: 680px) {
  .setup-pane {
    padding: 1.2rem;
    border-radius: var(--radius-md);
  }
  .setup-tabs {
    border-bottom: none;
  }
  .setup-tab-btn {
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius-sm);
  }
}