/* --- Variables: bright theme, white + blue accents --- */
:root {
  --bg: #f0f5fb;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-tint: #e8f0fe;
  --text: #1e3a5f;
  --text-muted: #5a7a9e;
  --accent: #46A1AD;
  --accent-hover: #46A1AD;
  --accent-light: #3b82f6;
  --accent-muted: rgba(37, 99, 235, 0.12);
  --white: #ffffff;
  --border: #c7d9ed;
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', 'DM Sans', system-ui, sans-serif;
  --container: min(1120px, 100% - 2rem);
  --header-h: 72px;
  --tap: 44px;
  --shadow: 0 4px 20px rgba(30, 58, 95, 0.08);
  --shadow-hover: 0 8px 32px rgba(37, 99, 235, 0.12);
}

/* --- Reset & base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: opacity 0.25s ease;
}

body.lang-updating {
  opacity: 0.7;
}

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

a:hover {
  color: var(--accent-hover);
}

/* --- Layout --- */
.container {
  width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 1.5rem);
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  flex-shrink: 0;
}

.logo-link:hover {
  color: var(--accent);
}

.logo-link .logo-icon {
  display: flex;
  color: var(--accent);
}

.logo-link:hover .logo-icon {
  color: var(--accent-hover);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  letter-spacing: -0.02em;
}

.nav {
  display: none;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.35em 0;
  transition: color 0.2s;
}

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

.nav-icon {
  display: inline-flex;
  opacity: 0.85;
}

.nav-icon svg {
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
}

.lang-option {
  padding: 0.35rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.lang-option:hover {
  color: var(--text);
}

.lang-option.is-active {
  color: var(--white);
  background: var(--accent);
}

.lang-switcher-mobile {
  margin-bottom: 0.5rem;
  align-self: stretch;
}

.lang-switcher-mobile .lang-option {
  flex: 1;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--tap);
  height: var(--tap);
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.menu-toggle:hover {
  background: var(--bg-tint);
  color: var(--accent);
}

.menu-toggle .menu-close {
  display: none;
}

.menu-toggle .menu-open[hidden] {
  display: none !important;
}

.menu-toggle .menu-close:not([hidden]) {
  display: flex;
}

.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-elevated);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s, visibility 0.25s;
  overflow-y: auto;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.5rem;
  max-width: 20rem;
  margin: 0 auto;
}

.mobile-nav-inner a {
  display: block;
  padding: 0.875rem 1rem;
  color: var(--text);
  font-weight: 500;
  font-size: 1.0625rem;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}


.mobile-nav-inner a:hover {
  background: var(--bg-tint);
  color: var(--accent);
}

.mobile-nav-inner .btn-block {
  margin-top: 1rem;
  justify-content: center;
}

@media (min-width: 769px) {
  .nav {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  min-height: var(--tap);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--white);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-muted);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: min(85vh, 720px);
  display: flex;
  align-items: center;
  padding-block: clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-glass {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: 32px;
  padding: 0;
  background: transparent;
}

.hero-img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 32px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  color: var(--text);
}

.hero-lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 36ch;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 70% 40%, rgba(37, 99, 235, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

/* --- Sections --- */
.section {
  padding-block: clamp(3rem, 8vw, 5rem);
  border-top: 1px solid var(--border);
}

.section.alt-bg {
  background: var(--bg-tint);
}

.section-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.section-title-icon {
  display: inline-flex;
  color: var(--accent);
  flex-shrink: 0;
}

.section-lead {
  color: var(--text-muted);
  font-size: clamp(0.9375rem, 1.5vw, 1.125rem);
  margin: 0 0 2rem;
  max-width: 50ch;
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.about-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--shadow-hover);
}

.about-card-icon {
  display: inline-flex;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.about-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.about-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* --- Integrations --- */
.integrations-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.integration-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: clamp(1.25rem, 3vw, 1.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.integration-item:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--shadow-hover);
}

.integration-icon {
  display: inline-flex;
  color: var(--accent);
  opacity: 0.9;
}

.integration-logo {
  width: 80px;
  height: 48px;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.integration-logo-placeholder {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-muted);
  border-radius: var(--radius);
}

.integration-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text);
}

.integration-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- Partners (company logos) --- */
.partners-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 5vw, 3rem);
  margin-top: 2rem;
}

.partner-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
  min-width: 160px;
}

.partner-logo-item:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow-hover);
}

.partner-logo-item img {
  width: 140px;
  height: 70px;
  object-fit: contain;
  display: block;
}

.partner-logo-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* --- FAQ --- */
.faq-list {
  margin: 0;
  padding: 0;
  max-width: 42rem;
}

.faq-item {
  padding: clamp(1rem, 2.5vw, 1.5rem) 0;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item dt {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  margin: 0 0 0.5rem;
  color: var(--text);
}

.faq-num {
  flex-shrink: 0;
  color: var(--accent);
  font-size: 0.875em;
}

.faq-item dd {
  margin: 0 0 0 2rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

@media (max-width: 480px) {
  .faq-item dd {
    margin-left: 0;
  }
}

/* --- Contacts --- */
.contacts-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .contacts-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .contacts-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr));
  gap: 1rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s;
}

.contact-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
}

.contact-card-icon {
  display: inline-flex;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
}

.contact-card a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--accent);
  word-break: break-all;
}

.contact-card a:hover {
  color: var(--accent-hover);
}

/* --- Section images --- */
.about-visual {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
  gap: 0.75rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-visual img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.contact-form-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 0 1rem;
  color: var(--text);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* --- Footer --- */
.site-footer {
  padding-block: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo {
  margin-bottom: 0.25rem;
}

.footer-logo .logo-icon {
  width: 28px;
  height: 28px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin: 0;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin: 0.5rem 0 0;
}

/* --- Responsive tweaks --- */
@media (max-width: 899px) {
  /* Hide hero image on mobile/tablet */
  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-actions .btn-primary {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-stats {
    padding-top: 1.5rem;
    gap: 1.5rem;
  }

  .section {
    padding-block: clamp(2.5rem, 6vw, 3.5rem);
  }

  .about-grid,
  .integrations-list {
    gap: 1rem;
  }

  .partners-logos {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Keep stats in one line on mobile */
  .hero-stats {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.75rem;
    justify-content: space-between;
  }

  .stat {
    flex: 1;
    min-width: 0;
    align-items: center;
    text-align: center;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.6875rem;
  }
}