nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: calc(var(--space-unit) * 4) calc(var(--space-unit) * 7);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: padding 0.5s var(--ease-out-expo), background 0.5s ease, box-shadow 0.5s ease;
}

nav .nav-center {
    display: flex;
    align-items: center;
    justify-content: space-around;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    max-width: 800px;
}

nav.scrolled {
    padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 7);
    background: rgba(250, 249, 247, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
}

.logo {
    display: inline-flex;
    align-items: center;
    height: 32px;
    text-decoration: none;
    transition: transform 0.4s var(--ease-out-expo);
}

.logo svg {
    height: 100%;
    width: auto;
}

.logo-svg path, .logo-svg polygon {
    fill: var(--white);
}

nav.scrolled .logo-svg path,
nav.scrolled .logo-svg polygon {
    fill: var(--text-primary);
}

.logo:hover {
    transform: scale(1.03);
    letter-spacing: 0;
}

nav.scrolled .logo {
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: calc(var(--space-unit) * 6);
    list-style: none;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 100;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

nav.scrolled .mobile-menu-btn span {
    background: var(--text-primary);
}

.nav-links a {
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    transition: color 0.35s ease;
    position: relative;
    padding: 10px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s var(--ease-out-expo);
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

nav.scrolled .nav-links a {
    color: var(--text-secondary);
}

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

.search-container {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.35s ease;
}

.search-icon {
    color: rgba(255, 255, 255, 0.7);
    margin-right: 8px;
    flex-shrink: 0;
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--white);
    font-size: 0.75rem;
    width: 180px;
    padding: 6px 0;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-container:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

nav.scrolled .search-container {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
}

nav.scrolled .search-icon {
    color: var(--text-secondary);
}

nav.scrolled .search-input {
    color: var(--text-primary);
}

nav.scrolled .search-input::placeholder {
    color: var(--text-tertiary);
}

.nav-cta {
    padding: 14px 28px;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 100px;
    transition: background 0.35s ease, transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.nav-cta:hover::before {
    left: 100%;
}

.nav-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(224, 122, 95, 0.4);
}

.nav-cta:active {
    transform: translateY(-1px);
}