/* Theme tokens */
:root {
  color-scheme: light dark;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --header-height: 5rem;
  --bg: #f4f7fb;
  --bg-alt: #edf2f8;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(255, 255, 255, 0.72);
  --surface-strong: #ffffff;
  --text: #162033;
  --text-muted: #5b677a;
  --heading: #09111f;
  --border: rgba(17, 24, 39, 0.1);
  --border-strong: rgba(17, 24, 39, 0.16);
  --accent: #1d4ed8;
  --accent-strong: #173ea8;
  --accent-soft: rgba(29, 78, 216, 0.12);
  --success: #0f766e;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 32px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 24px 60px rgba(8, 15, 28, 0.1);
  --radius-sm: 18px;
  --radius-md: 26px;
  --radius-lg: 34px;
  --container: min(1120px, calc(100vw - 2rem));
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua",
    "New York", Georgia, serif;
  --font-mono: "SFMono-Regular", "SF Mono", Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  --transition: 220ms ease;
  --icon-filter: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08111f;
    --bg-alt: #0c1729;
    --surface: rgba(10, 19, 35, 0.88);
    --surface-soft: rgba(13, 24, 43, 0.74);
    --surface-strong: #0d1728;
    --text: #dde7f7;
    --text-muted: #9fb0c8;
    --heading: #f5f8ff;
    --border: rgba(148, 163, 184, 0.16);
    --border-strong: rgba(148, 163, 184, 0.28);
    --accent: #72a5ff;
    --accent-strong: #9abfff;
    --accent-soft: rgba(114, 165, 255, 0.14);
    --success: #67d5bf;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.28), 0 14px 34px rgba(0, 0, 0, 0.26);
    --shadow-md: 0 30px 80px rgba(0, 0, 0, 0.36);
    --icon-filter: brightness(0) saturate(100%) invert(92%) sepia(18%) saturate(367%)
      hue-rotate(183deg) brightness(101%) contrast(98%);
  }
}

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.1), transparent 28%),
    radial-gradient(circle at 85% 5%, rgba(14, 165, 233, 0.08), transparent 20%),
    var(--bg);
}

body[data-nav-open="true"] {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

::selection {
  background: var(--accent-soft);
}

.container {
  width: min(
    var(--container),
    calc(100vw - 2rem - var(--safe-area-left) - var(--safe-area-right))
  );
  margin: 0 auto;
}

.section {
  padding: clamp(4.5rem, 7vw, 7rem) 0;
}

.section[id] {
  scroll-margin-top: calc(6rem + var(--safe-area-top));
}

.section-alt {
  background: linear-gradient(180deg, transparent, var(--accent-soft) 40%, transparent);
}

.section-header {
  max-width: 760px;
  margin-bottom: 2.6rem;
}

.section-header h2 {
  margin: 0.25rem 0 0.8rem;
  color: var(--heading);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-header p:last-child,
.lead,
.hero-panel p,
.pricing-subtitle,
.footer-note {
  color: var(--text-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow-soft {
  color: var(--text-muted);
}

.themed-icon {
  flex: none;
  filter: var(--icon-filter);
  opacity: 0.82;
}

.eyebrow-icon {
  width: 0.92rem;
  height: 0.92rem;
  opacity: 0.72;
}

.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.glass {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.9rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-weight: 600;
  box-shadow: 0 18px 30px rgba(29, 78, 216, 0.18);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 22px 36px rgba(29, 78, 216, 0.22);
}

.button:disabled,
.button:disabled:hover,
.button:disabled:focus-visible {
  cursor: wait;
  opacity: 0.78;
  transform: none;
  box-shadow: 0 12px 24px rgba(29, 78, 216, 0.16);
}

.button-secondary,
.button-outline {
  background: transparent;
  color: var(--heading);
  border-color: var(--border-strong);
  box-shadow: none;
}

.button-small {
  min-height: 2.5rem;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
  font-weight: 600;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

/* Header & navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  isolation: isolate;
  padding-top: var(--safe-area-top);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--heading);
}

.brand img {
  flex: none;
}

.brand-avatar {
  width: clamp(2.75rem, 4vw, 3rem);
  height: clamp(2.75rem, 4vw, 3rem);
  border-radius: 999px;
  object-fit: cover;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand-text small {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 500;
}

.site-nav a:not(.button) {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.1rem;
  transition:
    color var(--transition),
    transform var(--transition),
    opacity var(--transition);
}

.site-nav a:not(.button)::after {
  content: "";
  position: absolute;
  left: 0.1rem;
  right: 0.1rem;
  bottom: 0.18rem;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transform: scaleX(0.55);
  transform-origin: center;
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.site-nav a:not(.button):hover,
.site-nav a:not(.button):focus-visible {
  color: var(--heading);
  transform: translateY(-1px);
}

.site-nav a:not(.button):hover::after,
.site-nav a:not(.button):focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-nav a:not(.button):focus-visible,
.footer-links a:focus-visible,
.footer-meta a:focus-visible {
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 84%, transparent);
}

.nav-toggle {
  display: none;
  position: relative;
  flex: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--heading);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color 260ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 260ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 260ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-toggle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.14rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: translate3d(-50%, -50%, 0) rotate(0deg) scaleX(1);
  transform-origin: 50% 50%;
  backface-visibility: hidden;
  will-change: top, transform, opacity;
  transition:
    top 300ms cubic-bezier(0.34, 1.12, 0.64, 1),
    transform 300ms cubic-bezier(0.34, 1.12, 0.64, 1),
    opacity 220ms cubic-bezier(0.32, 0, 0.2, 1),
    background-color 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-toggle span:nth-child(1) {
  top: calc(50% - 0.36rem);
}

.nav-toggle span:nth-child(2) {
  top: 50%;
}

.nav-toggle span:nth-child(3) {
  top: calc(50% + 0.36rem);
}

body[data-nav-open="true"] .nav-toggle {
  background: color-mix(in srgb, var(--surface-strong) 88%, var(--bg) 12%);
  border-color: var(--border-strong);
}

body[data-nav-open="true"] .nav-toggle span:nth-child(1) {
  top: 50%;
  transform: translate3d(-50%, -50%, 0) rotate(45deg) scaleX(1);
}

body[data-nav-open="true"] .nav-toggle span:nth-child(2) {
  opacity: 0;
  transform: translate3d(-50%, -50%, 0) scaleX(0.42);
}

body[data-nav-open="true"] .nav-toggle span:nth-child(3) {
  top: 50%;
  transform: translate3d(-50%, -50%, 0) rotate(-45deg) scaleX(1);
}

/* Hero */
.hero {
  padding-top: clamp(3.4rem, 6vw, 6rem);
}

.hero-grid,
.about-grid,
.contact-grid,
.footer-grid {
  display: grid;
  gap: 1.5rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
}

.hero-copy h1 {
  margin: 0.5rem 0 1rem;
  color: var(--heading);
  font-family: var(--font-serif);
  font-size: clamp(2.55rem, 5.4vw, 4.35rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.lead {
  max-width: 62ch;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 1rem;
}

.trust-line {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text-muted);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.hero-pills span,
.option-list span,
.status-dot,
.badge,
.method-step {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--heading);
}

.hero-pills span,
.option-list span {
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
}

.hero-panel {
  padding: 1.6rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.status-dot {
  padding: 0.68rem 1.05rem;
  color: var(--success);
  font-size: 0.82rem;
  font-weight: 600;
}

.hero-panel h2 {
  margin: 0 0 0.8rem;
  color: var(--heading);
  font-size: clamp(1.55rem, 2.8vw, 2.3rem);
  line-height: 1.15;
}

.feature-list {
  display: grid;
  gap: 0.7rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.35rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 0.25rem var(--accent-soft);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.hero-metrics article,
.maintenance-card,
.benefit-card,
.service-card,
.method-card {
  padding: 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
}

.hero-metrics span,
.price,
.service-index,
.method-step {
  font-family: var(--font-mono);
}

.hero-metrics span {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 0.2rem;
}

.hero-metrics strong {
  color: var(--heading);
  font-size: 1rem;
}

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

.about-card {
  padding: 1.7rem;
}

.about-card h3,
.pricing-head h3,
.contact-card h3,
.maintenance-card h4,
.options-block h4,
.demo-copy h3,
.method-card h3,
.benefit-card h3 {
  margin-top: 0;
  color: var(--heading);
}

.about-highlight {
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 55%),
    var(--surface);
}

.about-highlight .text-link {
  margin-top: 0.9rem;
}

.service-grid,
.pricing-grid,
.demo-grid,
.method-grid,
.benefit-grid {
  display: grid;
  gap: 1rem;
}

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

.service-card {
  padding: 1.4rem;
}

.service-head,
.card-title-row {
  display: flex;
  align-items: center;
  gap: 0.58rem;
}

.service-head {
  justify-content: flex-start;
  margin-bottom: 0.75rem;
}

.service-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.card-title-row {
  margin-bottom: 0.45rem;
}

.card-title-row h3,
.card-title-row h4 {
  margin: 0;
}

.card-title-row-tight {
  margin-bottom: 0;
}

.card-icon-frame,
.service-icon-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  flex: none;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.card-icon-frame img,
.service-icon-frame img {
  width: 1rem;
  height: 1rem;
  opacity: 0.76;
}

.service-index {
  display: inline-block;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

/* Offer sections */
.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.6rem;
  overflow: visible;
}

.pricing-card-featured {
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
  box-shadow: var(--shadow-md);
}

.pricing-head {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

.badge {
  padding: 0.45rem 0.75rem;
  margin-bottom: 0.9rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-corner {
  position: absolute;
  top: -0.85rem;
  right: 1rem;
  margin: 0;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 18px 30px rgba(29, 78, 216, 0.22);
}

.price {
  margin: 0.45rem 0 0.3rem;
  color: var(--heading);
  font-size: 1.05rem;
}

.price span {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.06em;
}

.pricing-card .button {
  width: 100%;
  margin-top: 1.6rem;
}

.pricing-card .feature-list {
  flex: 1;
}

.maintenance-block {
  margin-top: 1.5rem;
  padding: 1.6rem;
}

.maintenance-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.2rem;
  margin-bottom: 1.4rem;
}

.maintenance-header h3 {
  margin: 0.35rem 0 0;
  color: var(--heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.options-block {
  margin-top: 1.4rem;
}

.option-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.demo-card {
  overflow: clip;
}

.demo-visual {
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent);
}

.demo-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.demo-copy {
  padding: 1.4rem;
}

.demo-copy p {
  color: var(--text-muted);
}

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

.method-card,
.benefit-card {
  padding: 1.4rem;
}

.maintenance-card,
.method-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.method-step {
  align-self: flex-start;
  width: fit-content;
  max-width: 100%;
  flex: 0 0 auto;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  color: var(--accent);
}

.method-step-icon {
  width: 0.95rem;
  height: 0.95rem;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  padding: 1.2rem 3.5rem 1.2rem 1.3rem;
  color: var(--heading);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-50%);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
  margin: 0;
  padding: 0 1.3rem 1.2rem;
  color: var(--text-muted);
}

.section-contact {
  padding-bottom: clamp(4.5rem, 7vw, 8rem);
}

.contact-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.contact-card {
  padding: 1.6rem;
}

.contact-stack {
  display: grid;
  gap: 0.9rem;
  margin: 1.3rem 0 1.2rem;
}

.contact-link {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border-strong));
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.contact-link span {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.contact-link strong {
  color: var(--heading);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  color: var(--heading);
  font-weight: 600;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    color var(--transition);
}

.social-link img {
  width: 1rem;
  height: 1rem;
}

.social-logo-brand {
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 0.35rem;
  opacity: 1;
}

.social-link:hover,
.social-link:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border-strong));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, transparent), var(--accent-soft)),
    var(--surface-soft);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.devis-note {
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--heading);
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-soft);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  color: var(--text);
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible,
.faq-item summary:focus-visible,
.nav-toggle:focus-visible,
.button:focus-visible,
.social-link:focus-visible,
.contact-link:focus-visible,
.text-link:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible,
.footer-links a:focus-visible,
.footer-meta a:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 0.25rem var(--accent-soft);
}

.form-note {
  margin: -0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.form-note:empty {
  display: none;
}

.form-note[data-state="success"] {
  color: var(--success);
}

.form-note[data-state="error"] {
  color: color-mix(in srgb, #b42318 72%, var(--heading));
}

/* Footer */
.site-footer {
  padding: 2rem 0 calc(2.5rem + var(--safe-area-bottom));
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  background: color-mix(in srgb, var(--bg-alt) 70%, transparent);
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr 0.75fr;
  align-items: start;
}

.footer-brand {
  margin-bottom: 0.9rem;
}

.footer-brand .brand-avatar {
  width: 2.65rem;
  height: 2.65rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: 0.6rem 1.4rem;
  justify-content: start;
  align-content: start;
}

.footer-links a,
.footer-meta a {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.25rem 0;
  color: var(--text-muted);
  transition:
    color var(--transition),
    transform var(--transition),
    opacity var(--transition);
}

.footer-links a::after,
.footer-meta a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transform: scaleX(0.5);
  transform-origin: center;
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible,
.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--heading);
  transform: translateY(-1px);
}

.footer-links a:hover::after,
.footer-links a:focus-visible::after,
.footer-meta a:hover::after,
.footer-meta a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-footer .text-link,
.site-footer .text-link:hover,
.site-footer .text-link:focus-visible {
  text-decoration: none;
  text-underline-offset: 0;
}

.footer-meta {
  display: grid;
  gap: 0.7rem;
  justify-items: start;
}

.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 550ms ease,
    transform 550ms ease;
}

.js-enabled [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .contact-grid,
  .footer-grid,
  .pricing-grid,
  .method-grid,
  .benefit-grid,
  .maintenance-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .pricing-card-featured {
    transform: none;
  }

  .maintenance-header {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 860px) {
  .site-header {
    --mobile-nav-gap: 0.7rem;
  }

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

  .site-nav {
    position: fixed;
    inset:
      calc(var(--header-height) + var(--safe-area-top) + var(--mobile-nav-gap))
      calc(1rem + var(--safe-area-right))
      auto
      calc(1rem + var(--safe-area-left));
    display: grid;
    gap: 0.35rem;
    padding: 1rem 1rem max(1rem, calc(0.85rem + var(--safe-area-bottom)));
    width: auto;
    max-width: calc(100vw - 2rem - var(--safe-area-left) - var(--safe-area-right));
    max-height: calc(
      100dvh - var(--header-height) - var(--safe-area-top) - var(--safe-area-bottom) -
        var(--mobile-nav-gap) - 1rem
    );
    border: 1px solid var(--border-strong);
    border-radius: 24px;
    z-index: 31;
    background-color: color-mix(in srgb, var(--surface) 82%, transparent);
    background:
      linear-gradient(
        180deg,
        color-mix(in srgb, var(--surface-strong) 76%, transparent),
        color-mix(in srgb, var(--surface) 90%, transparent)
      );
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    box-shadow: var(--shadow-md);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.85rem) scale(0.985);
    transform-origin: top center;
    transition:
      opacity 260ms cubic-bezier(0.22, 1, 0.36, 1),
      transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .site-nav a:not(.button) {
    width: 100%;
    padding: 0.8rem 0.45rem;
  }

  body[data-nav-open="true"] .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .site-nav .button {
    margin-top: 0.35rem;
    width: 100%;
  }

  .hero-copy h1 {
    font-size: clamp(2.3rem, 10vw, 3.6rem);
  }

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

  .service-grid,
  .demo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4rem 0;
  }

  .site-header {
    --header-height: 4.5rem;
  }

  .header-bar {
    min-height: var(--header-height);
  }

  .brand-text small {
    display: none;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .hero-actions,
  .contact-links {
    flex-direction: column;
  }

  .hero-actions .button,
  .contact-links .social-link,
  .demo-copy .button {
    width: 100%;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .about-card,
  .pricing-card,
  .contact-card,
  .maintenance-block {
    padding: 1.3rem;
  }

  .pricing-card-featured .badge-corner {
    top: -0.55rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}