/* ===== HEADER / NAV ===== */
header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--parchment);
  z-index: 100;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 0.5px solid var(--ink);
}

/* ===== LOGO ===== */
.logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

/* ===== NAV LINKS ===== */
nav ul {
  display: flex;
  gap: 40px;
}

nav ul a {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
  padding-bottom: 4px;
  position: relative;
}

nav ul a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--coral);
  transition: width 0.3s ease;
}

nav ul a:hover {
  font-weight: 700;
}

nav ul a:hover::after {
  width: 100%;
}

/* ===== CTA BUTTON ===== */
.btn-primary {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  background-color: var(--ink);
  border: 0.5px solid var(--ink);
  padding: 12px 24px;
}

.btn-primary:hover {
  background-color: var(--coral);
  color: var(--white);
}

/* ===== BURGER ===== */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.burger span {
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  nav {
    padding: 0 20px;
    height: var(--nav-height);
    position: relative;
  }

  /* ლოგო მარცხნივ — burger მარჯვნივ, space-between ყვება */
  .logo {
    font-size: 20px;
  }

  /* burger ჩნდება */
  .burger {
    display: flex;
  }

  /* CTA იმალება */
  .btn-primary {
    display: none;
  }

  /* ===== NAV DROPDOWN ===== */
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background-color: var(--parchment);
    border-bottom: 2px solid var(--ink);
    padding: 8px 0;
    gap: 0;
    z-index: 200;
  }

  nav ul.nav-open {
    display: flex;
  }

  nav ul li {
    width: 100%;
    border-bottom: 0.5px solid rgba(10, 17, 40, 0.1);
  }

  nav ul li:last-child {
    border-bottom: none;
  }

  nav ul a {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    padding: 18px 20px;
    text-align: center;
  }

  nav ul a::after {
    display: none;
  }

  nav ul a:hover {
    background-color: rgba(10, 17, 40, 0.04);
    color: var(--coral);
  }

  /* ===== BURGER ANIMATION ===== */
  .burger-open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .burger-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .burger-open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}