:root {
  --color-bg: #050816;
  --color-surface: #0f172a;
  --color-accent: #0ea5e9;
  --color-accent-soft: rgba(14, 165, 233, 0.12);
  --color-text: #e5e7eb;
  --color-muted: #9ca3af;
  --color-border: #1f2933;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.85);
  --transition-fast: 0.2s ease-out;
  --transition-med: 0.3s ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0b1120 0, #020617 50%, #020617 100%);
  color: var(--color-text);
  line-height: 1.6;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #e0f2fe 0, #0ea5e9 40%, #0369a1 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #0b1120;
  font-size: 1.1rem;
  box-shadow: 0 10px 30px rgba(56, 189, 248, 0.6);
}

.logo-text {
  font-size: 1.05rem;
  text-transform: uppercase;
}

.main-nav {
  position: relative;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.nav-list a {
  padding: 0.45rem 0.2rem;
  border-radius: 999px;
  color: var(--color-muted);
  transition: color var(--transition-fast), background-color var(--transition-fast), transform 0.12s ease-out;
}

.nav-list a:hover {
  color: #e0f2fe;
  background-color: rgba(15, 23, 42, 0.7);
  transform: translateY(-1px);
}

.nav-list a[aria-current="page"] {
  color: #e0f2fe;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.18), rgba(129, 140, 248, 0.16));
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.9);
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #e5e7eb;
  display: block;
  border-radius: 999px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle span + span {
  margin-top: 4px;
}

.hero-section {
  padding: 4.5rem 0 3rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
  gap: 3.5rem;
}

.hero-text h1 {
  font-size: clamp(2.1rem, 2.5vw + 1.5rem, 2.8rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

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

.hero-keywords {
  margin-top: 0.75rem;
  font-weight: 500;
  color: #7dd3fc;
}

.hero-longtail {
  font-size: 0.9rem;
  margin-top: 0.7rem;
  color: #9ca3af;
}

.hero-actions {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-image {
  position: relative;
}

.hero-image::before {
  content: "";
  position: absolute;
  inset: -16%;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.45), transparent 60%);
  opacity: 0.5;
  filter: blur(22px);
  z-index: -1;
}

.hero-image img {
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.section {
  padding: 3.5rem 0;
}

.section-header {
  max-width: 620px;
  margin: 0 auto 2.4rem;
  text-align: center;
}

.section-header h2 {
  font-size: 1.6rem;
  margin-bottom: 0.7rem;
}

.section-header p {
  color: var(--color-muted);
  font-size: 0.98rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.product-card {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), rgba(15, 23, 42, 0.96));
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.product-card img {
  height: 220px;
  object-fit: cover;
}

.product-content {
  padding: 1.3rem 1.5rem 1.4rem;
}

.product-content h3,
.product-content h2 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
}

.product-content p {
  font-size: 0.96rem;
  color: var(--color-muted);
}

.product-meta {
  margin-top: 0.7rem;
  font-size: 0.84rem;
  color: #a5b4fc;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.8rem;
  font-size: 0.9rem;
  color: #7dd3fc;
}

.section-cta {
  margin-top: 2.4rem;
  text-align: center;
  color: var(--color-muted);
}

.section-cta .btn {
  margin-top: 0.7rem;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.about-text h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
}

.about-text p {
  color: var(--color-muted);
  font-size: 0.97rem;
}

.about-image img {
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: var(--shadow-soft);
}

.section-news {
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), rgba(15, 23, 42, 0.98));
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.6rem;
}

.news-card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  padding: 1.3rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.news-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.news-date {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.news-card p {
  font-size: 0.96rem;
  color: var(--color-muted);
}

.news-link {
  display: inline-flex;
  margin-top: 0.7rem;
  font-size: 0.9rem;
  color: #7dd3fc;
}

.page-hero {
  padding: 3.5rem 0 2.3rem;
}

.page-hero h1 {
  font-size: 1.9rem;
  margin-bottom: 0.7rem;
}

.page-hero p {
  max-width: 620px;
  color: var(--color-muted);
}

.section-filter {
  padding-top: 0;
}

.filter-bar {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.filter-bar label {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.9rem;
}

.filter-select {
  background: rgba(15, 23, 42, 0.95);
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  color: var(--color-text);
  padding: 0.4rem 0.9rem;
}

.filter-note p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.product-features {
  margin: 0.6rem 0;
  padding-left: 1.2rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.product-features li {
  margin-bottom: 0.18rem;
}

.section-team {
  padding-top: 1.5rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.7rem;
}

.team-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 1rem 1.1rem;
}

.team-card img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 999px;
}

.team-role {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-top: 0;
}

.section-values {
  padding-top: 1.4rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.value-item {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
}

.value-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.value-item p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.section-contact {
  padding-top: 2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2.4rem;
  align-items: flex-start;
}

.contact-form-wrapper,
.contact-info {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 1.7rem 1.6rem 1.8rem;
  box-shadow: var(--shadow-soft);
}

.contact-form h2,
.contact-info h2 {
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.contact-form {
  margin-top: 0.4rem;
}

.form-row {
  margin-bottom: 0.9rem;
}

.form-row label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.9);
  background: #020617;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.94rem;
}

.form-row textarea {
  resize: vertical;
  min-height: 110px;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.9rem;
}

.form-feedback {
  margin-top: 0.8rem;
  font-size: 0.88rem;
  color: #bbf7d0;
}

.contact-info p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.contact-map {
  margin: 1rem 0;
}

.contact-map img {
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.contact-extra-seo p {
  font-size: 0.88rem;
  color: var(--color-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-med), transform 0.15s ease-out, box-shadow var(--transition-med);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #0b1120;
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.65);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.85);
}

.btn-outline {
  background: transparent;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.7);
}

.btn-outline:hover {
  background: rgba(15, 23, 42, 0.95);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-accent-soft);
  color: #e0f2fe;
  border-color: rgba(56, 189, 248, 0.5);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.22);
  transform: translateY(-1px);
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid rgba(148, 163, 184, 0.32);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), #020617 70%);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding: 2.4rem 0 1.3rem;
}

.footer-brand {
  max-width: 260px;
}

.footer-brand p {
  color: var(--color-muted);
}

.footer-columns {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.8rem;
}

.footer-columns h4 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.footer-columns ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-columns li {
  margin-bottom: 0.25rem;
}

.footer-columns a {
  color: var(--color-muted);
}

.footer-columns a:hover {
  color: #e0f2fe;
}

.footer-longtail {
  font-size: 0.84rem;
  color: var(--color-muted);
}

.footer-bottom {
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  background: #020617;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1.2rem;
}

.back-to-top {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.9);
  color: var(--color-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform 0.12s ease-out;
}

.back-to-top:hover {
  background: rgba(15, 23, 42, 1);
  color: #e5e7eb;
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .hero-inner,
  .about-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-section {
    padding-top: 4rem;
  }

  .hero-image {
    order: -1;
  }

  .section {
    padding: 3rem 0;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    position: absolute;
    right: 0;
    top: 110%;
    flex-direction: column;
    gap: 0.3rem;
    background: rgba(15, 23, 42, 0.98);
    padding: 0.6rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    transform-origin: top right;
    transform: scale(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med), transform var(--transition-med);
  }

  .nav-list.is-open {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }

  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .team-card {
    grid-template-columns: 72px minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}