:root {
  --brand-purple: #4b0d4b;
  --nav-blue: #223e69;
  --active-green: #008000;
  --contact-blue: #4f74b0;
  --phone-dark: #2f3d53;
  --wa-green: #4caf63;
}

* {
  box-sizing: border-box;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #fff;
  color: #222;
}

body.nav-open,
body.contact-modal-open {
  overflow: hidden;
}

.site-header {
  width: 100%;
}

.topbar {
  background: var(--brand-purple);
  padding: 5px 16px;
}

.topbar-inner {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.topbar-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.topbar-title {
  margin: 0;
  color: #fff;
  font-size: clamp(2rem, 2.4vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
}

.nav-bar {
  position: relative;
  background: #fff;
  border-top: 2px solid #111;
  border-bottom: 1px solid #dcdcdc;
  padding: 22px 18px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.nav-bar.is-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1200;
}

.nav-bar.is-sticky {
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.14);
}

.nav-spacer {
  height: 0;
}

.nav-inner {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.header-brand-mobile {
  display: none;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--nav-blue);
  font-weight: 800;
  font-size: 1.1rem;
}

.header-brand-mobile-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid #d8deea;
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #1f3252;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.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);
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex: 1;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--nav-blue);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.main-nav a.active {
  color: var(--active-green);
}

.contact-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.contact-links a {
  text-decoration: none;
  color: var(--contact-blue);
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.contact-links a:nth-child(2) {
  color: var(--phone-dark);
}

.contact-links a:last-child {
  color: var(--wa-green);
}

.icon {
  font-size: 0.85em;
  font-weight: 700;
  line-height: 1;
}

@media (max-width: 1200px) {
  .nav-panel {
    gap: 20px;
  }

  .main-nav {
    gap: 20px;
  }

  .main-nav a,
  .contact-links a {
    font-size: 17px;
  }
}

@media (max-width: 980px) {
  .topbar {
    padding: 8px 14px;
  }

  .topbar-logo {
    width: 48px;
    height: 48px;
  }

  .topbar-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }

  .nav-bar {
    padding: 14px;
  }

  .nav-inner {
    flex-wrap: wrap;
    gap: 12px;
  }

  .header-brand-mobile,
  .nav-toggle {
    display: inline-flex;
  }

  .nav-panel {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding-top: 8px;
  }

  .nav-bar.menu-open .nav-panel {
    display: flex;
  }

  .main-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    border-radius: 18px;
    background: #f7f9fd;
  }

  .main-nav a {
    width: 100%;
    font-size: 1rem;
  }

  .contact-links {
    display: grid;
    gap: 12px;
    justify-content: stretch;
    padding: 18px;
    border-radius: 18px;
    background: #f7f9fd;
  }

  .contact-links a {
    width: 100%;
    font-size: 1rem;
    white-space: normal;
  }
}

@media (max-width: 700px) {
  .topbar-inner {
    gap: 8px;
  }

  .topbar-logo {
    width: 42px;
    height: 42px;
  }

  .nav-bar {
    padding: 12px;
  }

  .header-brand-mobile {
    font-size: 1rem;
  }

  .header-brand-mobile-logo {
    width: 34px;
    height: 34px;
  }

  .nav-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }

  .main-nav,
  .contact-links {
    padding: 14px;
  }
}