/* === LANGUAGE SWITCHER === */
.lang-switcher {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.375rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  line-height: 1;
  transition: color var(--transition), background-color var(--transition);
}

.lang-btn:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.lang-btn--active {
  background-color: var(--color-accent);
  color: #000000;
  pointer-events: none;
}

/* === SITE HEADER / NAV === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  height: 64px;
  gap: var(--space-8);
}

.nav__logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.04em;
}

.nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}

@media (min-width: 900px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.nav__cta {
  margin-left: auto;
}

@media (min-width: 900px) {
  .nav__cta {
    margin-left: 0;
  }
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
  order: 3;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 900px) {
  .nav__toggle {
    display: none;
  }
}

/* Mobile menu open state */
.nav--open .nav__links {
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 64px 0 0 0;
  background-color: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  gap: var(--space-6);
  align-items: flex-start;
  border-top: 1px solid var(--color-border);
  z-index: 99;
}

.nav--open .nav__links a {
  font-size: var(--text-lg);
  color: var(--color-text);
}

/* === HERO === */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-32) var(--space-24);
  text-align: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 55% at 50% -5%, rgba(0, 162, 232, 0.13) 0%, transparent 70%),
    radial-gradient(ellipse 50% 35% at 50% 105%, rgba(0, 162, 232, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin-inline: auto;
}

.hero__content .section-label {
  display: inline-block;
}

.hero__title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-10);
  max-width: 62ch;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .hero__subtitle {
    font-size: var(--text-xl);
  }
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* === PROOF STRIP === */
.proof-strip {
  padding-block: var(--space-5);
  border-block: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.proof-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.proof-strip__dot {
  color: var(--color-border);
  font-size: var(--text-lg);
  line-height: 1;
}

/* === SERVICES OVERVIEW === */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (min-width: 560px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition), background-color var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 162, 232, 0.35);
  background-color: var(--color-surface-2);
}

.service-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  flex-shrink: 0;
}

.service-card:hover .service-card__icon {
  background-color: rgba(0, 162, 232, 0.08);
  border-color: rgba(0, 162, 232, 0.3);
}

.service-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--space-2);
  transition: gap var(--transition);
}

.service-card__link:hover {
  gap: var(--space-3);
}

.services-overview__cta {
  text-align: center;
}

/* === WHY US === */
.why-us {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 560px) {
  .why-us__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .why-us__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.why-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.why-card__number {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.why-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.why-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === FEATURE GROUPS === */
.feature-group--alt {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.feature-group__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .feature-group__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-16);
  }

  .feature-group__inner--reverse {
    flex-direction: row-reverse;
  }
}

.feature-group__text {
  flex: 1;
}

.feature-group__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.feature-group__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.feature-group__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.6;
}

.feature-group__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.feature-group__list strong {
  color: var(--color-text);
  font-weight: 600;
}

.feature-group__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.feature-group__visual {
  flex: 0 0 auto;
  width: 100%;
}

@media (min-width: 768px) {
  .feature-group__visual {
    width: 340px;
  }
}

/* Decorative metric card */
.visual-block {
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.visual-block__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.visual-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-muted);
}

.visual-tag--green {
  border-color: rgba(0, 162, 232, 0.4);
  color: var(--color-accent);
}

.visual-block__metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
}

.visual-metric__number {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.visual-metric__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* === PROCESS === */
.process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 560px) {
  .process__steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .process__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.process-step__num {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.process-step__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.process-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === STATS === */
.stats {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8) var(--space-4);
  text-align: center;
}

@media (min-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
}

.stat-item__number {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1;
}

.stat-item__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* === FAQ === */
.faq__list {
  max-width: 720px;
  margin-inline: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

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

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition), background-color var(--transition);
  user-select: none;
  -webkit-user-select: none;
}

.faq-item__question::after {
  content: '+';
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-text-muted);
  transition: transform var(--transition);
  line-height: 1;
}

details[open] > .faq-item__question {
  color: var(--color-accent);
}

details[open] > .faq-item__question::after {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq-item__question:hover {
  background-color: var(--color-surface);
  color: var(--color-accent);
}

.faq-item__answer {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* === CTA BANNER === */
.cta-banner {
  background:
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(0, 162, 232, 0.07) 0%, transparent 70%);
}

.cta-banner__inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}

.cta-banner__inner .section-label {
  display: inline-block;
}

.cta-banner__title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.cta-banner__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.65;
}

.cta-banner__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .cta-banner__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16) var(--space-8);
  background-color: var(--color-surface);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 560px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .footer__grid {
    grid-template-columns: 2fr 1.5fr 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
  }
}

.footer__logo {
  display: inline-block;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-4);
}

.footer__logo-img {
  height: 30px;
  width: auto;
  display: block;
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 28ch;
}

.footer__nav-title {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}