/* === Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { height: 100%; overflow-x: hidden; }
body {
  font-family: 'Inter', sans-serif;
  color: #111;
  min-height: 100dvh;
}

/* === Header === */
header {
  width: 100%;
  padding: 10px 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header-left {
  display: flex;
  align-items: flex-end;
  gap: 40px;
}

.header-logo img { height: 32px; width: auto; }

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 6px;
}

.header-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #000;
  text-decoration: none;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.header-nav a:hover {
  opacity: 0.7;
}

.header-nav a.active {
  font-weight: 700;
}

.header-right { display: flex; align-items: center; gap: 16px; }

.header-lang-wrap { position: relative; display: flex; align-items: center; }
.header-lang-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.header-lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 4px 0;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #000;
  cursor: pointer;
  outline: none;
}
.header-lang-flag {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.header-lang-code { font-size: 14px; }

.header-btn {
  background: transparent;
  border: 1px solid #000;
  border-radius: 45px;
  padding: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #000;
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.04em;
  transition: opacity 0.2s;
}

.header-btn:hover {
  opacity: 0.7;
}

/* === FAQ Section === */
.faq-section {
  width: 100%;
  background: #fff;
  padding: 80px 24px;
  display: flex;
  justify-content: center;
}

.faq-inner {
  max-width: 800px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.faq-title {
  font-family: 'Inter', sans-serif;
  font-size: 48px;
  font-weight: 600;
  color: #000;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid #E3E5E8;
}

.faq-question {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #000;
  letter-spacing: -0.04em;
  padding: 20px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question::after {
  content: '+';
  font-size: 24px;
  font-weight: 400;
  color: #737373;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item.open .faq-question::after {
  content: '\2212';
}

.faq-item-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-item.open .faq-item-body {
  grid-template-rows: 1fr;
}

.faq-item-body-inner {
  overflow: hidden;
}

.faq-item p {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #737373;
  letter-spacing: -0.02em;
  line-height: 1.5;
  margin: 0;
  padding: 0 0 20px;
}

@media (max-width: 480px) {
  .faq-title { font-size: 32px; }
  .faq-question { font-size: 16px; }
  .faq-item p { font-size: 14px; }
}

/* === Footer === */
footer {
  width: 100%;
  background: #000;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo img { height: 40px; width: auto; }
.footer-links { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-links a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.footer-links a:hover { text-decoration: underline; }
.lang-selector {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  outline: none;
}
.lang-selector option { background: #000; color: #fff; }

/* === Burger button (hidden on desktop) === */
.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
}

.burger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: #000;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.burger-btn.open .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger-btn.open .burger-line:nth-child(2) {
  opacity: 0;
}
.burger-btn.open .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === Mobile menu (hidden on desktop) === */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: #fff;
  z-index: 8;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 48px;
  padding: 80px 24px 40px;
}

.mobile-menu.open {
  display: flex;
}

/* Keep burger above the overlay */
.burger-btn {
  position: relative;
  z-index: 11;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-menu-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  font-weight: 600;
  color: #000;
  text-decoration: none;
  letter-spacing: -0.04em;
}

.mobile-menu-nav a:hover {
  opacity: 0.7;
}

.mobile-menu-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mobile-menu-cta {
  background: transparent;
  border: 1px solid #000;
  border-radius: 45px;
  padding: 16px 32px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: #000;
  text-decoration: none;
  letter-spacing: -0.04em;
}

/* === Responsive === */
@media (max-width: 768px) {
  header { padding: 10px 32px; }
  .header-nav { display: none; }
  .header-btn { display: none; }
  .header-right .header-lang-wrap { display: none; }
  .burger-btn { display: flex; }
}

@media (max-width: 480px) {
  header { padding: 12px 16px; }
  .header-logo img { height: 28px; }
  footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 12px;
  }
}