* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --primary: #f8fafc;
  --text-soft: rgba(248, 250, 252, 0.86);
  --text-body: rgba(248, 250, 252, 0.8);
  --text-muted: rgba(248, 250, 252, 0.68);
  --shadow-title: 0 12px 30px rgba(0, 0, 0, 0.32);
  --shadow-subtle: 0 4px 14px rgba(0, 0, 0, 0.18);
  --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.14);
  --line: rgba(255, 255, 255, 0.16);
  --card-bg: linear-gradient(180deg, rgba(11, 18, 32, 0.54) 0%, rgba(11, 18, 32, 0.38) 100%);
  --card-strong: rgba(15, 23, 42, 0.68);
  --accent: #c9a45c;
  --accent-soft: rgba(201, 164, 92, 0.18);
  --overlay: linear-gradient(180deg, rgba(2, 6, 23, 0.28) 0%, rgba(2, 6, 23, 0.74) 100%);
  --header-height: 84px;
  --footer-height: 30px;
  --transition: 0.82s cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

html,
body {
  height: 100%;
  font-family: var(--font-sans);
  background: #020617;
  color: var(--primary);
  overflow: hidden;
}

body {
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(1400px, 92%);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  z-index: 1000;
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.84) 0%, rgba(2, 6, 23, 0.32) 72%, transparent 100%);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 32px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-width: 0;
}

.logo {
  width: auto;
  height: 72px;
  max-width: 280px;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.18));
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  position: relative;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: rgba(248, 250, 252, 0.82);
  padding: 6px 0;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color 0.28s ease, opacity 0.28s ease;
}

.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
}

.nav a:hover::after,
.nav a.active::after {
  transform: scaleX(1);
}

.fp {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.fp-wrapper {
  position: relative;
  height: 100%;
  transition: transform var(--transition);
}

.fp-section {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 28px) 0 calc(var(--footer-height) + 44px);
}

.fp-section .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: var(--bg-position, center center);
  background-repeat: no-repeat;
  opacity: 0;
  transform: translateY(18px) scale(1.01);
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1), opacity 1s ease;
  filter: saturate(1.02) contrast(1.02) brightness(0.94);
  will-change: transform, opacity;
}

.fp-section .bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(2, 6, 23, 0.04) 0%, rgba(2, 6, 23, 0.12) 46%, rgba(2, 6, 23, 0.28) 100%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.16) 0%, rgba(2, 6, 23, 0.42) 100%);
}

#home {
  --bg-position: 52% center;
}

#solutions {
  --bg-position: 52% center;
}

#cases {
  --bg-position: 48% center;
}

#contact {
  --bg-position: 50% center;
}

.fp-section.is-active .bg {
  opacity: 1;
  transform: translateY(0) scale(1.01);
}

.fp-section.leaving .bg {
  opacity: 0;
  transform: translateY(-18px) scale(1.01);
}

.fp-section.entering .bg {
  opacity: 0;
  transform: translateY(18px) scale(1.01);
}

.fp-section .content {
  position: relative;
  z-index: 2;
  width: min(1240px, 92%);
  max-height: calc(100vh - var(--header-height) - var(--footer-height) - 84px);
  overflow: auto;
  padding: 10px 16px 12px;
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.72s ease, transform 0.72s ease;
  scrollbar-width: none;
}

.fp-section .content::-webkit-scrollbar {
  display: none;
}

.fp-section.is-active .content {
  opacity: 1;
  transform: translateY(0);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 7px 12px;
  border: 1px solid rgba(201, 164, 92, 0.32);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.42);
  color: rgba(248, 250, 252, 0.88);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-shadow: var(--shadow-soft);
}

.section-kicker::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(201, 164, 92, 0.12);
}

.fp-section h1 {
  font-size: clamp(34px, 5.8vw, 62px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  text-shadow: var(--shadow-title);
}

.fp-section p {
  color: var(--text-body);
}

.lead {
  max-width: 860px;
  font-size: clamp(15px, 1.45vw, 19px);
  font-weight: 400;
  line-height: 1.72;
  letter-spacing: 0.01em;
  text-shadow: var(--shadow-subtle);
}

.hero-content {
  text-align: left;
  width: min(1120px, 92%);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 13px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.18);
  transition: transform 0.28s ease, background 0.28s ease, border-color 0.28s ease, color 0.28s ease, box-shadow 0.28s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(2, 6, 23, 0.24);
}

.btn-primary {
  background: linear-gradient(135deg, #d9b36d 0%, #b8863d 100%);
  color: #0f172a;
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 16px 34px rgba(184, 134, 61, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero-highlights,
.mission-panel,
.products-grid,
.service-flow,
.cases-grid,
.contact-layout,
.contact-cards,
.trust-strip {
  display: grid;
}

.hero-highlights {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.highlight-item,
.mission-card,
.product-card,
.case-card,
.info-card,
.process-item,
.flow-item {
  border: 1px solid var(--line);
  background: var(--card-bg);
  border-radius: 22px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease, box-shadow 0.28s ease;
}

.highlight-item:hover,
.mission-card:hover,
.product-card:hover,
.case-card:hover,
.info-card:hover,
.process-item:hover,
.flow-item:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 164, 92, 0.28);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.24);
}

.highlight-item {
  padding: 17px 18px;
}

.highlight-item strong,
.flow-item strong,
.process-item strong,
.case-result {
  display: block;
  color: var(--primary);
}

.highlight-item strong {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-shadow: var(--shadow-soft);
}

.highlight-item span,
.flow-item span {
  color: rgba(248, 250, 252, 0.74);
  font-size: 13px;
  line-height: 1.65;
}

.mission-panel {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mission-card {
  padding: 22px 22px 20px;
}

.card-label {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-shadow: var(--shadow-soft);
}

.mission-card p,
.product-description p,
.case-card p,
.info-card p,
.process-item p {
  font-size: 14px;
  line-height: 1.72;
  letter-spacing: 0.01em;
}

.products-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.product-card,
.case-card,
.info-card {
  padding: 24px;
}

.product-card h3,
.case-card h3,
.info-card h3 {
  margin-bottom: 10px;
  font-size: clamp(21px, 2.1vw, 28px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  text-shadow: var(--shadow-subtle);
}

.product-description {
  display: grid;
  gap: 14px;
}

.feature-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  color: rgba(248, 250, 252, 0.84);
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.feature-list li::marker {
  color: var(--accent);
}

.tag-list,
.trust-strip {
  grid-template-columns: repeat(auto-fit, minmax(120px, max-content));
  gap: 8px;
}

.tag-list span,
.trust-strip span {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(201, 164, 92, 0.16);
  color: rgba(248, 250, 252, 0.88);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: center;
}

.service-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.flow-item,
.process-item {
  padding: 16px 18px;
}

.cases-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.case-card {
  display: grid;
  gap: 10px;
}

.case-result {
  margin-top: 2px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.62;
  letter-spacing: 0.01em;
  text-shadow: var(--shadow-soft);
}

.trust-strip {
  margin-top: 18px;
  justify-content: start;
}

.contact-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 20px;
  margin-top: 20px;
}

.contact-main,
.contact-meta,
.contact-side,
.contact-process {
  display: grid;
}

.contact-main {
  gap: 14px;
}

.contact-meta {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-side {
  align-content: start;
  gap: 14px;
}

.contact-process {
  gap: 12px;
}

.placeholder-note {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.62;
  letter-spacing: 0.01em;
  color: var(--text-muted);
}

#contact .content {
  padding-bottom: 8px;
}

#contact .lead {
  max-width: 980px;
}

#contact .info-card,
#contact .process-item {
  border-radius: 18px;
}

#contact .info-card {
  padding: 22px 22px;
}

#contact .process-item {
  padding: 16px 18px;
}

.contact-email-card {
  display: grid;
  gap: 14px;
  align-content: start;
  min-height: 100%;
}

.contact-email-card h3 {
  margin-bottom: 0;
  font-size: clamp(26px, 2.3vw, 34px);
  letter-spacing: -0.03em;
  word-break: break-word;
}

.contact-meta-card {
  display: grid;
  align-content: start;
}

.contact-list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  color: rgba(248, 250, 252, 0.82);
  font-size: 14px;
  line-height: 1.68;
}

.contact-list li::marker {
  color: var(--accent);
}

.contact-process-header {
  display: grid;
  gap: 8px;
  padding: 0 2px;
}

.contact-process-header h3 {
  font-size: clamp(24px, 2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: var(--shadow-subtle);
}

.contact-process-header p {
  font-size: 14px;
  line-height: 1.62;
  color: rgba(248, 250, 252, 0.72);
}

.contact-email-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(201, 164, 92, 0.34);
  background: rgba(201, 164, 92, 0.14);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform 0.24s ease, background 0.24s ease, border-color 0.24s ease;
}

.contact-email-link:hover {
  transform: translateY(-2px);
  background: rgba(201, 164, 92, 0.2);
  border-color: rgba(201, 164, 92, 0.48);
}

#contact .process-item strong {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 220;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  background: linear-gradient(180deg, rgba(8, 15, 28, 0.12) 0%, rgba(8, 15, 28, 0.3) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.site-footer a {
  color: rgba(248, 250, 252, 0.84);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.24s ease, opacity 0.24s ease;
}

.site-footer a:hover {
  color: var(--primary);
}

.fp-dots {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fp-dots button {
  position: relative;
  width: 14px;
  height: 14px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.fp-dots button:hover {
  transform: scale(1.18);
  border-color: var(--accent);
}

.fp-dots button[aria-current="true"] {
  border-color: var(--accent);
}

.fp-dots button[aria-current="true"]::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fp-section.is-active .section-kicker,
.fp-section.is-active h1,
.fp-section.is-active .lead,
.fp-section.is-active .hero-actions,
.fp-section.is-active .hero-highlights,
.fp-section.is-active .mission-panel,
.fp-section.is-active .products-grid,
.fp-section.is-active .service-flow,
.fp-section.is-active .cases-grid,
.fp-section.is-active .trust-strip,
.fp-section.is-active .contact-layout,
.fp-section.is-active .placeholder-note {
  animation: fadeUp 0.8s ease both;
}

.fp-section.is-active h1 {
  animation-delay: 0.08s;
}

.fp-section.is-active .lead {
  animation-delay: 0.16s;
}

.fp-section.is-active .hero-actions,
.fp-section.is-active .products-grid,
.fp-section.is-active .cases-grid,
.fp-section.is-active .contact-layout {
  animation-delay: 0.24s;
}

.fp-section.is-active .mission-panel,
.fp-section.is-active .service-flow,
.fp-section.is-active .trust-strip,
.fp-section.is-active .placeholder-note {
  animation-delay: 0.3s;
}

.is-linear,
.is-linear body {
  overflow: auto;
}

.is-linear {
  scroll-behavior: smooth;
}

.is-linear .fp {
  height: auto;
  overflow: visible;
}

.is-linear .fp-wrapper {
  height: auto;
  transform: none !important;
}

.is-linear .fp-section {
  min-height: 100svh;
  height: auto;
}

.is-linear .fp-section .content {
  max-height: none;
  overflow: visible;
}

.is-linear .fp-dots {
  display: none;
}

.is-linear .site-footer {
  position: static;
}

@media (max-width: 1100px) {
  .site-header .container {
    padding: 0 20px;
  }

  .nav {
    gap: 18px;
  }

  .hero-highlights,
  .products-grid,
  .service-flow,
  .cases-grid,
  .contact-layout,
  .contact-main,
  .contact-meta,
  .mission-panel {
    grid-template-columns: 1fr;
  }

  #home {
    --bg-position: 58% center;
  }

  #solutions {
    --bg-position: 54% center;
  }

  #cases {
    --bg-position: 46% center;
  }

  .contact-cards .info-card:first-child {
    grid-column: auto;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 126px;
  }

  html,
  body {
    background: #040b18;
  }

  .site-header {
    height: auto;
    background:
      linear-gradient(180deg, rgba(2, 6, 23, 0.94) 0%, rgba(2, 6, 23, 0.8) 72%, rgba(2, 6, 23, 0.28) 100%);
  }

  .site-header .container {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding: 12px 16px 14px;
  }

  .brand {
    justify-content: flex-start;
  }

  .logo {
    height: 42px;
    max-width: 180px;
  }

  .nav {
    width: 100%;
    gap: 8px;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    font-size: 13px;
    letter-spacing: 0.01em;
    line-height: 1;
  }

  .nav a::after {
    display: none;
  }

  .nav a.active,
  .nav a:hover {
    background: rgba(201, 164, 92, 0.16);
    border-color: rgba(201, 164, 92, 0.3);
  }

  .fp-section {
    padding: calc(var(--header-height) + 18px) 0 24px;
  }

  #home,
  #solutions,
  #cases,
  #contact {
    --bg-position: center center;
  }

  .fp-section .content {
    width: min(100%, 92%);
    padding: 0 0 8px;
  }

  .hero-content {
    width: min(100%, 100%);
  }

  .fp-section h1 {
    font-size: clamp(30px, 9vw, 42px);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
  }

  .lead {
    max-width: none;
    font-size: 15px;
    line-height: 1.74;
  }

  .section-kicker {
    margin-bottom: 14px;
    padding: 6px 10px;
    font-size: 10px;
    letter-spacing: 0.1em;
  }

  .btn {
    width: 100%;
    min-width: 0;
    min-height: 48px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    margin: 22px 0 20px;
  }

  .hero-highlights,
  .mission-panel,
  .products-grid,
  .service-flow,
  .cases-grid,
  .contact-layout,
  .contact-main,
  .contact-meta,
  .contact-process {
    gap: 12px;
  }

  .highlight-item,
  .mission-card,
  .product-card,
  .case-card,
  .info-card,
  .process-item,
  .flow-item {
    border-radius: 20px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  }

  .product-card,
  .case-card,
  .info-card {
    padding: 18px;
  }

  .mission-card,
  .highlight-item,
  .flow-item,
  .process-item {
    padding: 16px;
  }

  .highlight-item strong,
  .flow-item strong,
  .process-item strong,
  .case-result {
    font-size: 15px;
  }

  .product-card h3,
  .case-card h3,
  .info-card h3,
  .contact-process-header h3 {
    font-size: clamp(22px, 6.5vw, 28px);
  }

  .feature-list,
  .contact-list,
  .mission-card p,
  .product-description p,
  .case-card p,
  .info-card p,
  .process-item p {
    font-size: 13px;
    line-height: 1.68;
  }

  .tag-list,
  .trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .tag-list span,
  .trust-strip span {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .contact-email-link {
    width: 100%;
  }

  #contact .info-card,
  #contact .process-item {
    border-radius: 20px;
  }

  .site-footer {
    position: static;
    height: auto;
    padding: 12px 16px 14px;
    background: rgba(8, 15, 28, 0.72);
  }

  .site-footer a {
    font-size: 11px;
    letter-spacing: 0.02em;
  }

  .fp-dots {
    display: none;
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 132px;
  }

  .site-header .container {
    padding: 10px 14px 12px;
  }

  .logo {
    height: 38px;
    max-width: 164px;
  }

  .fp-section {
    padding-top: calc(var(--header-height) + 14px);
  }

  .fp-section .content {
    width: min(100%, 93%);
  }

  .fp-section h1 {
    font-size: clamp(28px, 8.6vw, 36px);
  }

  .lead {
    font-size: 14px;
  }

  .product-card,
  .case-card,
  .info-card,
  .mission-card,
  .highlight-item,
  .flow-item,
  .process-item {
    padding: 16px;
  }

  .contact-email-card h3 {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
