:root {
  --max-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --transition-fast: 180ms ease;
  --transition-mid: 320ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-stack: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --cookie-banner-offset: 0px;
  --back-to-top-right: 1rem;
  --back-to-top-bottom: 84px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  color: var(--text-primary);
  background: var(--bg-main);
  background-image:
    radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 34%),
    radial-gradient(circle at 86% 8%, color-mix(in srgb, #1a56ff 14%, transparent), transparent 38%);
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #0b1226;
  border-radius: var(--radius-sm);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--surface-main) 88%, transparent);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 34px;
  height: 34px;
  filter:
    drop-shadow(0 0 1px rgba(8, 15, 36, 0.55))
    drop-shadow(0 0 6px rgba(26, 86, 255, 0.22));
}

.brand small {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  font-size: 0.93rem;
}

.nav-links a {
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--surface-elevated);
}

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

.icon-btn,
.ghost-btn,
.primary-btn {
  border: 0;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-elevated);
  color: var(--text-primary);
}

.icon-btn:hover,
.icon-btn:focus-visible,
.ghost-btn:hover,
.ghost-btn:focus-visible,
.primary-btn:hover,
.primary-btn:focus-visible {
  transform: translateY(-1px);
}

.lang-select {
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--surface-elevated);
  color: inherit;
  font: inherit;
  padding: 0.45rem 0.7rem;
}

.hero {
  position: relative;
  padding: clamp(4rem, 7vw, 7rem) 0 clamp(3rem, 5vw, 5rem);
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: -16% 48% auto -10%;
  height: clamp(220px, 32vw, 380px);
  border-radius: 999px;
  background: radial-gradient(circle, color-mix(in srgb, #1a56ff 26%, transparent) 0%, transparent 72%);
  filter: blur(8px);
}

.hero::after {
  inset: auto -8% 6% 52%;
  height: clamp(200px, 28vw, 340px);
  border-radius: 999px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 24%, transparent) 0%, transparent 72%);
  filter: blur(10px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero h1 strong {
  color: var(--accent);
}

.hero p {
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-muted);
}

.hero-actions {
  margin-top: 1.75rem;
  margin-bottom: 0.45rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.primary-btn {
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.72rem 1.1rem;
  font-weight: 700;
}

.ghost-btn {
  background: var(--surface-elevated);
  color: var(--text-primary);
  padding: 0.72rem 1.1rem;
  font-weight: 600;
}

.hero .hero-badge {
  margin-top: 1.05rem;
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 0.45rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text-muted);
  padding: 0.48rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.hero-card {
  background: var(--surface-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  box-shadow: var(--shadow-soft);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.stat-item {
  padding: 0.85rem;
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  border: 1px solid var(--border-soft);
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 800;
  display: block;
}

.stat-label {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.section {
  position: relative;
  padding: clamp(3.2rem, 6vw, 5.4rem) 0;
}

.section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, color-mix(in srgb, #1a56ff 5%, transparent), transparent 62%);
}

.section > .container {
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 1.3rem;
}

.section-header h2,
.section-header h1 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
}

.section-header p {
  margin-top: 0.45rem;
  color: var(--text-muted);
  max-width: 75ch;
}

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

.service-card,
.price-card,
.info-card,
.solution-card,
.testimonial-card {
  background: var(--surface-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-fast);
}

.service-card:hover,
.price-card:hover,
.info-card:hover,
.solution-card:hover,
.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border-soft));
  box-shadow: 0 20px 42px rgba(8, 15, 36, 0.25);
}

.service-media,
.pricing-media,
.info-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  margin-bottom: 0.75rem;
  background: linear-gradient(160deg, rgba(8, 15, 36, 0.75), rgba(16, 26, 53, 0.88));
}

.service-media .scene-photo,
.pricing-media .scene-photo,
.info-media .scene-photo {
  width: 100%;
  min-height: 170px;
  max-height: 220px;
  object-fit: cover;
  transition: transform var(--transition-mid);
}

.service-card:hover .service-media .scene-photo,
.price-card:hover .pricing-media .scene-photo,
.info-card:hover .info-media .scene-photo {
  transform: scale(1.04);
}

.service-card h3,
.price-card h3,
.info-card h3,
.solution-card h3,
.testimonial-card h3 {
  margin: 0 0 0.4rem;
}

.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.price-pill {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.78rem;
}

.list {
  margin: 0.65rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.93rem;
}

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

.action-row {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.visual-card {
  position: relative;
  overflow: hidden;
}

.visual-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: linear-gradient(160deg, rgba(8, 15, 36, 0.75), rgba(16, 26, 53, 0.9));
  margin-bottom: 0.85rem;
}

.visual-media img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.visual-card:hover .visual-media img {
  transform: scale(1.04);
}

.stats-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.portfolio-track,
.testimonial-track {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: var(--surface-main);
}

.portfolio-track {
  overflow: hidden;
}

.portfolio-row {
  display: flex;
  gap: 0.9rem;
  padding: 1rem 1rem 1.1rem;
  width: max-content;
}

.testimonial-row {
  display: flex;
  width: max-content;
  gap: 0.7rem;
  padding: 0.8rem;
  animation: marquee 72s linear infinite;
}

.portfolio-track:hover .portfolio-row,
.testimonial-track:hover .testimonial-row {
  animation-play-state: paused;
}

.portfolio-card {
  flex: 0 0 clamp(250px, 28vw, 340px);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--surface-elevated);
  transition: transform var(--transition-mid), border-color var(--transition-fast);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border-soft));
}

.portfolio-shot {
  height: 220px;
  overflow: hidden;
  background: #0b1226;
}

.portfolio-shot .scene-photo,
.portfolio-shot-inner {
  width: 100%;
  min-height: 260px;
  object-fit: cover;
  animation: slowScroll 20s ease-in-out infinite alternate;
}

.portfolio-card-body {
  padding: 0.8rem;
}

.portfolio-card-body h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.portfolio-card-body p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.testimonial-card {
  flex: 0 0 min(360px, calc(100vw - 4.5rem));
}

.testimonial-head {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.testimonial-avatar {
  border-radius: 999px;
  border: 1px solid var(--border-soft);
}

.testimonial-meta h3 {
  margin: 0;
  font-size: 1rem;
}

.testimonial-meta p {
  margin: 0;
}

.testimonial-text {
  margin: 0.7rem 0 0;
  overflow-wrap: anywhere;
}

.pricing-grid {
  display: grid;
  grid-template-columns: minmax(210px, 0.8fr) minmax(0, 1.5fr);
  gap: 1rem;
  align-items: stretch;
}

.pricing-side-nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.pricing-nav-btn {
  border: 1px solid var(--border-soft);
  background: var(--surface-main);
  color: var(--text-primary);
  border-radius: 12px;
  font: inherit;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.pricing-nav-btn:hover,
.pricing-nav-btn:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border-soft));
  transform: translateX(2px);
}

.pricing-nav-btn.active {
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-main));
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border-soft));
}

.pricing-nav-arrow {
  font-size: 1.15rem;
  line-height: 1;
  opacity: 0.75;
}

.pricing-detail-window {
  background: var(--surface-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.pricing-detail-inner {
  padding: 1rem;
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 280ms ease, transform 280ms ease;
}

.pricing-detail-inner.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.9rem;
}

.scene-card {
  background: var(--surface-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition-mid), border-color var(--transition-fast), box-shadow var(--transition-mid);
}

.scene-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border-soft));
  box-shadow: 0 20px 42px rgba(8, 15, 36, 0.25);
}

.scene-media {
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(160deg, rgba(8, 15, 36, 0.72), rgba(16, 26, 53, 0.9));
}

.scene-media .scene-photo {
  width: 100%;
  min-height: 185px;
  max-height: 260px;
  object-fit: cover;
}

.scene-meta {
  padding: 0.8rem;
}

.scene-meta h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.scene-meta p {
  margin: 0;
}

.scene-slot {
  margin: 0 0 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.95;
}

.price-item {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  border-top: 1px solid var(--border-soft);
  padding-top: 0.45rem;
  margin-top: 0.45rem;
  font-size: 0.92rem;
}

.price-item strong {
  white-space: nowrap;
}

.about-grid,
.contact-grid,
.map-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}

.split-grid > *,
.about-grid > *,
.contact-grid > *,
.map-grid > * {
  height: 100%;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.about-highlight-card {
  background: var(--surface-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
}

.about-highlight-card strong {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.about-highlight-card p {
  margin: 0;
}

.contact-form {
  display: grid;
  gap: 0.7rem;
}

.form-row {
  display: grid;
  gap: 0.35rem;
}

.form-row label {
  font-weight: 600;
  font-size: 0.9rem;
}

.form-row input,
.form-row textarea,
.form-row select {
  border: 1px solid var(--border-soft);
  background: var(--surface-elevated);
  color: inherit;
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-row textarea {
  min-height: 132px;
  resize: vertical;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.35rem 0.45rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.topic-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.form-error,
.form-success {
  font-size: 0.85rem;
  margin: 0;
}

.form-error {
  color: #ff7a7a;
}

.form-success {
  color: #31d67a;
}

.field-error {
  display: none;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.3;
  color: #ff6b6b;
}

.field-error.show {
  display: block;
}

.form-row input.input-invalid,
.form-row textarea.input-invalid,
.form-row select.input-invalid,
.form-row.field-invalid .topics-grid {
  border-color: #ff4d4f;
  box-shadow: 0 0 0 1px rgba(255, 77, 79, 0.2);
}

.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.form-submit button[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.map-card iframe {
  width: 100%;
  min-height: 250px;
  flex: 1;
  border: 0;
  border-radius: var(--radius-md);
}

.map-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

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

.interactive-carousel {
  display: grid;
  gap: 0.45rem;
}

.interactive-carousel-controls {
  display: flex;
  justify-content: flex-end;
  gap: 0.45rem;
  padding: 0.2rem 0.2rem 0;
}

.interactive-carousel-viewport {
  overflow: hidden;
}

.interactive-carousel-track {
  display: flex;
  gap: 0.9rem;
  width: 100%;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  cursor: grab;
}

.interactive-carousel-track.card-grid {
  grid-template-columns: none;
}

.interactive-carousel-track.dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}

.interactive-carousel-track > * {
  scroll-snap-align: start;
}

.services-carousel-track {
  padding: 1rem;
}

.services-carousel-track > .service-card {
  flex: 0 0 min(360px, calc(100vw - 3.8rem));
}

.portfolio-carousel-track > .portfolio-card {
  flex: 0 0 clamp(250px, 28vw, 340px);
}

.carousel-btn,
.carousel-toggle {
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--surface-main);
  color: var(--text-primary);
  font: inherit;
  cursor: pointer;
  min-height: 38px;
}

.carousel-btn {
  width: 38px;
  font-size: 1.1rem;
  line-height: 1;
}

.carousel-toggle {
  padding: 0 0.75rem;
  font-weight: 600;
}

.carousel-btn:hover,
.carousel-btn:focus-visible,
.carousel-toggle:hover,
.carousel-toggle:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border-soft));
}

.carousel-btn:disabled,
.carousel-toggle:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 1.1rem 0 2.2rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
}

.footer-title {
  margin: 0 0 0.4rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.footer-bottom {
  margin-top: 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-soft);
  padding-top: 0.8rem;
  flex-wrap: wrap;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 85;
  background: var(--surface-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 0.8rem;
  display: none;
  max-width: 960px;
  margin-inline: auto;
}

.cookie-banner.show {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.chat-widget {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + var(--cookie-banner-offset));
  z-index: 90;
  transition: bottom var(--transition-mid);
}

body.cookie-banner-open .chat-widget {
  z-index: 70;
}

.chat-toggle {
  border: 0;
  border-radius: 999px;
  padding: 0.74rem 1rem;
  font: inherit;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.chat-panel {
  width: min(410px, calc(100vw - 2rem));
  height: min(560px, calc(100vh - 7rem));
  margin-top: 0.7rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--surface-main);
  display: none;
}

.chat-panel.open {
  display: grid;
  grid-template-rows: auto 1fr;
}

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border-soft);
}

.chat-title {
  margin: 0;
  font-size: 0.95rem;
}

.chat-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.chat-frame {
  border: 0;
  width: 100%;
  height: 100%;
  background: #fff;
}

.back-to-top {
  position: fixed;
  right: var(--back-to-top-right);
  bottom: calc(var(--back-to-top-bottom) + var(--cookie-banner-offset) + env(safe-area-inset-bottom, 0px));
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-main) 86%, transparent);
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
  z-index: 96;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: color-mix(in srgb, var(--accent) 24%, var(--surface-main));
}

.three-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
}

.page-hero {
  padding: clamp(2.8rem, 6vw, 4.6rem) 0 1.4rem;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

.page-hero p {
  margin-top: 0.45rem;
  color: var(--text-muted);
}

.page-home .page-hero {
  display: none;
}

.only-home {
  display: none;
}

.page-home .only-home {
  display: block;
}

.hidden {
  display: none !important;
}

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

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

  .nav-links {
    display: none;
  }
}

@media (max-width: 680px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    min-height: 64px;
  }

  .hero-actions {
    width: 100%;
  }

  .primary-btn,
  .ghost-btn {
    width: 100%;
    justify-content: center;
  }

  .chat-widget {
    left: 1rem;
    right: 1rem;
  }

  .testimonial-track {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .testimonial-row {
    animation: none;
    width: max-content;
    padding: 0.8rem;
  }

  .testimonial-card {
    flex: 0 0 min(340px, calc(100vw - 3.2rem));
  }

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

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