/* ==========================================
   HEADER
========================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px;
}

.navbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 0 24px;
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.75);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 40px;
}

.navbar-logo {
  display: flex;
  align-items: center;
}

.navbar-logo img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-primary);
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--transition-base);
}

.nav-links a:hover {
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-primary-600);
}

/* ==========================================
   THEME BUTTON
========================================== */

.theme-toggle {
  width: 58px;
  height: 58px;
  border: none;
  cursor: pointer;
  border-radius: 18px;
  background: var(--color-primary-600);
  color: white;
  font-size: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.theme-toggle:hover {
  transform: translateY(-0.5px);
}

.theme-toggle span {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.moon-icon {
  opacity: 0;
  transform: rotate(-180deg);
}

[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: rotate(0);
}

/* ==========================================
   MOBILE NAV
========================================== */

.mobile-navbar {
  display: none;
}

.mobile-menu {
  display: none;
}

@media (max-width: 992px) {
  .navbar-right,
  .navbar-left {
    display: none;
  }

  .navbar {
    padding: 0 18px;
  }

  .mobile-navbar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-title {
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-menu-btn {
    width: 52px;
    height: 52px;
    border: none;
    cursor: pointer;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
  }

  .mobile-menu-btn span {
    width: 28px;
    height: 3px;
    border-radius: 20px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .mobile-menu {
    display: flex;
    flex-direction: column;
    margin-top: 12px;
    background: var(--color-bg-primary);
    border-radius: 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-lg);
  }

  .mobile-menu.active {
    max-height: 500px;
    padding: 14px;
  }

  .mobile-menu a {
    color: var(--color-text-primary);
    text-decoration: none;
    padding: 16px;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-fast);
  }

  .mobile-menu a:hover {
    background: var(--color-bg-secondary);
  }
}
/* ===========================================
   FOOTER
   =========================================== */
.site-footer {
  background: var(--color-bg-footer, #f1f5f9);
  background: linear-gradient(
    180deg,
    var(--color-bg-secondary) 0%,
    var(--color-bg-primary) 100%
  );
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--color-border-light);
  transition: background var(--transition-base);
  position: relative;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent) 50%,
    transparent 100%
  );
  opacity: 0.7;
}

/* Brand column */
.footer__logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
  margin-bottom: 1rem;
}

.footer__desc {
  color: var(--color-text-secondary);
  line-height: 1.9;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

/* ---- Social Icons ---- */
.footer__social {
  display: flex;
  gap: 0.8rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  transform: translateY(-3px);
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

/* Image inside social icon container */
.social-icon__img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  transition: filter var(--transition-fast);
}

/* ---- Footer Headings & Links ---- */
.footer__head {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer__head::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.footer__links,
.footer__contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer__links a {
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  font-size: 0.95rem;
}

.footer__links a:hover {
  color: var(--color-accent);
  padding-right: 6px;
}

/* ---- Contact Items ---- */
.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer__contact a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

/* Contact icon image */
.contact-icon-img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  margin-top: 4px; /* align with text baseline */
  flex-shrink: 0;
  opacity: 0.7; /* slight muted look */
}

/* ---- Bottom Bar ---- */
.footer__bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 50px;
}

/* ===========================================
   FOOTER RESPONSIVE
   =========================================== */
@media (max-width: 768px) {
  .site-footer {
    padding: 2.5rem 1.2rem 1.5rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .footer__desc {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .footer__logo {
    width: 60px;
    height: 60px;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__links,
  .footer__contact {
    align-items: center;
    text-align: center;
  }

  .footer__contact li {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
  }

  .footer__head::after {
    right: 50%;
    transform: translateX(50%);
  }
}

/* ===========================================
   EXTRA INFO ACCORDION
   =========================================== */
.extra-info {
  background-color: var(--color-bg-secondary);
  padding: 0 2rem 4rem;
  transition: background-color var(--transition-base);
}

.extra-info__accordion {
  max-width: 900px;
  margin: 0 auto;
}

.extra-item {
  background-color: var(--color-bg-primary);
  border-radius: 16px;
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.extra-item:hover {
  box-shadow: var(--shadow-md);
}

.extra-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: right;
  line-height: 1.6;
  gap: 1rem;
  transition: color var(--transition-fast);
}

.extra-item__trigger:hover {
  color: var(--color-primary-600);
}

.extra-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  position: relative;
  transition: transform var(--transition-base);
}

.extra-item__icon::before,
.extra-item__icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.extra-item__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 3px;
  transform: translateY(-50%);
}

.extra-item__icon::after {
  top: 0;
  left: 50%;
  width: 3px;
  height: 100%;
  transform: translateX(-50%);
}

.extra-item.active .extra-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.extra-item.active .extra-item__trigger {
  color: var(--color-primary-600);
}

.extra-item__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.5s ease;
}

.extra-item.active .extra-item__content {
  max-height: 2500px;
  padding: 0 2rem 1.8rem;
}

.extra-item__content p {
  color: var(--color-text-secondary);
  line-height: 2;
  font-size: 0.95rem;
}

/* Responsive for Accordion */
@media (max-width: 768px) {
  .extra-info {
    padding: 0 1rem 3rem;
  }

  .extra-item__trigger {
    padding: 1.2rem 1.2rem;
    font-size: 1rem;
  }

  .extra-item.active .extra-item__content {
    padding: 0 1.2rem 1.5rem;
  }
}