/* Moduvia marketing site — native CSS only
   Dials: VARIANCE 3 | MOTION 2 | DENSITY 7 */

:root {
  --bg: #07090d;
  --bg-elevated: #0c1017;
  --surface: #10161f;
  --surface-2: #141b26;
  --border: #1e2836;
  --border-strong: #2a3648;
  --text: #e8eef6;
  --text-muted: #8a9bb0;
  --text-dim: #5f7086;
  --accent: #3db8f5;
  --accent-strong: #1a8fd9;
  --accent-soft: rgba(61, 184, 245, 0.12);
  --success: #3dcf9a;
  --warning: #d4a017;
  --danger: #e26d6d;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --max: 1120px;
  --gap: 0.75rem;
  --gap-lg: 1.25rem;
  --radius: 8px;
  --header-h: 3.5rem;
  --ease: 160ms ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: #7ad0f8;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ——— Shell ——— */

.shell {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
}

.brand img {
  height: 28px;
  width: auto;
}

.nav {
  display: none;
  justify-content: end;
  gap: 0.25rem 1.25rem;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.35rem 0;
  transition: color var(--ease);
}

.nav a:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
}

@media (min-width: 860px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

.nav-drawer {
  display: none;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.nav-drawer.is-open {
  display: block;
}

.nav-drawer .shell {
  display: grid;
  gap: 0.15rem;
  padding-block: 0.75rem;
}

.nav-drawer a {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.nav-drawer a:last-child {
  border-bottom: 0;
}

/* ——— Buttons ——— */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.25rem;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 560;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #041018;
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #041018;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--text-dim);
  background: var(--surface);
  color: var(--text);
}

/* ——— Typography ——— */

.eyebrow {
  margin: 0 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem);
  font-weight: 620;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
}

.section-lead {
  margin: 0;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.section-head {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.section {
  padding-block: 3rem;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: 0;
}

/* ——— Hero ——— */

.hero {
  min-height: calc(100dvh - var(--header-h));
  display: grid;
  align-items: center;
  padding-block: 2.5rem 3rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 70% 50% at 85% 10%, rgba(26, 143, 217, 0.14), transparent 55%),
    linear-gradient(180deg, #080b11 0%, var(--bg) 100%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: end;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
  }
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 1.4rem + 2.2vw, 3rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.hero__copy {
  margin: 0 0 1.25rem;
  max-width: 48ch;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

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

@media (min-width: 640px) {
  .hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.meta-chip {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 0.65rem 0.7rem;
}

.meta-chip strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.meta-chip span {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-dim);
  line-height: 1.35;
}

.hero__panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.hero__panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero__panel-caption {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero__panel-caption code {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--accent);
}

/* ——— Matrices / grids ——— */

.matrix-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.matrix-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.matrix-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.matrix-6 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 640px) {
  .matrix-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .matrix-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .matrix-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .matrix-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .matrix-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .matrix-6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.tile {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.9rem 0.95rem;
  transition: border-color var(--ease);
}

.tile:hover {
  border-color: var(--border-strong);
}

.tile__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.65rem;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--accent);
}

.tile__icon svg {
  width: 16px;
  height: 16px;
}

.tile h3 {
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.tile p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.tile__tag {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Delivery */

.delivery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 860px) {
  .delivery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.delivery-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 1rem;
  min-height: 100%;
}

.delivery-card--accent {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background:
    linear-gradient(180deg, rgba(61, 184, 245, 0.06), transparent 42%),
    var(--bg-elevated);
}

.delivery-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 620;
}

.delivery-card .mode {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.delivery-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.delivery-card li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.delivery-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 1px;
  background: var(--accent);
}

/* Compliance */

.compliance {
  background: var(--bg-elevated);
}

.compliance-banner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-lg);
  margin-bottom: 1.25rem;
}

@media (min-width: 860px) {
  .compliance-banner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

.cert-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 640px) {
  .cert-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.cert {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.8rem 0.85rem;
}

.cert strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.cert span {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.security-callouts {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 720px) {
  .security-callouts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 0.95rem;
}

.callout__icon {
  color: var(--accent);
}

.callout__icon svg {
  width: 20px;
  height: 20px;
}

.callout h3 {
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.callout p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Solutions */

.solution {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  min-height: 100%;
  transition: border-color var(--ease);
}

.solution:hover {
  border-color: var(--border-strong);
}

.solution img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.solution__body {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.35rem;
  padding: 0.85rem 0.9rem 1rem;
}

.solution__body h3 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 620;
  letter-spacing: -0.015em;
}

.solution__family {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.solution__body p:last-child {
  margin: 0.25rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.badge {
  display: inline-block;
  margin-top: 0.15rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--warning);
}

/* FAQ */

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 800px) {
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.85rem 0.9rem;
}

.faq-item h3 {
  margin: 0 0 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.faq-item p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Split / media strip */

.media-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 800px) {
  .media-strip {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--gap-lg);
    align-items: center;
  }
}

.media-strip__copy h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.5rem);
  font-weight: 620;
  letter-spacing: -0.02em;
}

.media-strip__copy p {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.spec-rows {
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-rows div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  background: var(--surface);
}

.spec-rows div:last-child {
  border-bottom: 0;
}

.spec-rows dt,
.spec-rows .k {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  align-self: center;
}

.spec-rows .v {
  color: var(--text-muted);
}

.media-strip__frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.media-strip__frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* CTA band */

.cta-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(61, 184, 245, 0.08), transparent 55%),
    var(--surface);
  padding: 1.1rem 1.15rem;
}

@media (min-width: 800px) {
  .cta-band {
    grid-template-columns: 1fr auto;
  }
}

.cta-band h2 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
  font-weight: 620;
}

.cta-band p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.25rem 1.5rem;
  background: #05070a;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.6fr repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.site-footer h2 {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.site-footer p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  max-width: 36ch;
  line-height: 1.45;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

.site-footer a {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.site-footer a:hover {
  color: var(--text);
}

.footer-base {
  display: grid;
  gap: 0.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
}

@media (min-width: 720px) {
  .footer-base {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ——— Legal / document pages ——— */

.doc-hero {
  padding-block: 2.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #080b11 0%, var(--bg) 100%);
}

.doc-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.doc-hero__meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-block: 2rem 3rem;
  align-items: start;
}

@media (min-width: 900px) {
  .doc-layout {
    grid-template-columns: 13.5rem minmax(0, 1fr);
    gap: 2rem;
  }
}

.doc-toc {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.85rem 0.9rem;
}

@media (min-width: 900px) {
  .doc-toc {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

.doc-toc h2 {
  margin: 0 0 0.55rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.doc-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.3rem;
}

.doc-toc a {
  display: block;
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.35;
  padding: 0.2rem 0;
}

.doc-toc a:hover {
  color: var(--text);
}

.doc-body {
  display: grid;
  gap: 1.35rem;
}

.doc-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem 1.05rem 1.1rem;
}

.doc-section h2 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 620;
  letter-spacing: -0.015em;
}

.doc-section h3 {
  margin: 1rem 0 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.doc-section p,
.doc-section li {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.doc-section p {
  margin: 0 0 0.7rem;
}

.doc-section p:last-child {
  margin-bottom: 0;
}

.doc-section ul,
.doc-section ol {
  margin: 0 0 0.7rem;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.35rem;
}

.doc-section ul:last-child,
.doc-section ol:last-child {
  margin-bottom: 0;
}

.doc-callout {
  margin: 0.75rem 0 0;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--bg-elevated);
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.doc-callout strong {
  color: var(--text);
  font-weight: 600;
}