/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Roboto", sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ---------- Header Container ---------- */
.at-header {
  background-color: #000a2a;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.at-header__inner {
  max-width: 1300px;
  margin: 0 auto;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
}

/* ---------- Logo ---------- */
.at-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.at-logo img {
  width: 246px;
}

/* ---------- Navigation ---------- */
.at-nav {
  display: flex;
  align-items: center;
}

.at-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.at-nav__item {
  position: relative;
}

.at-nav__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: white;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.3px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
  cursor: pointer;
  white-space: nowrap;
}

.at-nav__link:hover .at-nav__icon {
  color: #d32f2f;
}

.at-nav__link.at-nav__link--active {}

.at-nav__icon {
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

/* SVG icon sizing */
.at-nav__icon svg {
  width: 19px;
  fill: currentColor;
}

/* ---------- Hamburger (mobile) ---------- */
.at-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  border: none;
  background: transparent;
  transition: background 0.2s;
}



.at-hamburger__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Open state */
.at-hamburger.is-open .at-hamburger__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.at-hamburger.is-open .at-hamburger__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.at-hamburger.is-open .at-hamburger__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Mobile Drawer ---------- */
@media (max-width: 768px) {
  .at-hamburger {
    display: flex;
  }

  .at-logo img {
    width: 207px;
  }

  .at-header__inner {
    height: 77px;
  }


  .at-nav {
    position: absolute;
    top: 77px;
    left: 0;
    right: 0;
    background: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .at-nav.is-open {
    max-height: 100vh;
    height: 100vh;
    align-items: flex-start;
    background: #000a2a;
    border-top: 1px solid #2b2f3d;
  }

  .at-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    width: 100%;
  }

  .at-nav__link {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    padding: 20px 0;
    font-size: 14px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
  }

  .at-logo__brand {
    font-size: 16px;
  }

  .at-logo__tagline {
    display: none;
  }

  .at-nav__icon svg {
    width: 22px;
    height: 22px;
  }
}