* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --soft-white: #f3f3f3;
  --text-light: rgba(255, 255, 255, 0.9);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

html {
  scroll-behavior: smooth;
}

/* ===================== HEADER ===================== */
.header {
    position: fixed;
    top: 8px;
    left: 0;
    width: 100%;
    z-index: 999;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.25rem 1.25rem 0.25rem 0.5rem;
    border-radius: 999px;
    background: rgba(18, 38, 71, 0.45);
    backdrop-filter: blur(1.125rem);
    -webkit-backdrop-filter: blur(1.125rem);
    border: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 0.625rem 2.1875rem rgba(0,0,0,.18);
    overflow: visible;
}

.logo {
  width: 5rem;
  height: 5rem;
  flex-shrink: 0;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-link {
  color: var(--text-light);
  font-size: clamp(0.8125rem, 1.2vw, 0.95rem);
  font-weight: 500;
  transition: color 0.25s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 0%;
  height: 2px;
  background: #dacc09;
  transition: 0.25s ease;
  transform: translateZ(0);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-action {
  flex-shrink: 0;
}

.ppq-button {
  background: var(--soft-white);
  color: #111;
  border-radius: 999px;
  padding: 0.625rem 1rem;
  font-size: clamp(0.875rem, 1.5vw, 0.95rem);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow);
  min-height: 2.75rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  color: white;
  font-size: 1.5rem;
  border: none;
  cursor: pointer;
}