/* Header Layout */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--dark-surface-1);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 0.75rem 0;
    height: var(--top-bar-height);
    display: flex;
    align-items: center;
}

body:not(.dark-mode) .header {
    background-color: var(--bg-light);
    box-shadow: var(--shadow);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
    padding: 0 1.5rem;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    transform-origin: center;
    will-change: transform;
}

.logo-img {
    height: 50px;
    width: auto;
    filter: brightness(1.1);
}

.logo.no-animation {
    animation: none !important;
}

/* Logo Animations */
@keyframes slideAndSquish {
    0% {
        transform: translateX(0) translateY(-50%) scale(1);
    }
    50% {
        transform: translateX(calc(50vw - 55% - 0.75rem)) translateY(calc(-50% + 5px)) scale(0.95, 1.05);
    }
    100% {
        transform: translateX(calc(50vw - 55% - 0.75rem)) translateY(calc(-50% + 10px)) scale(1.75);
    }
}

@keyframes unsquish {
    0% {
        transform: translateX(calc(50vw - 55% - 0.75rem)) translateY(calc(-50% + 10px)) scale(1.75);
    }
    50% {
        transform: translateX(calc(50vw - 55% - 0.75rem)) translateY(-50%) scale(1);
    }
    100% {
        transform: translateX(0) translateY(-50%) scale(1);
    }
}

/* Navigation Styles */
.nav {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-left: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--gray-500);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--light);
}

.nav-link.active {
    color: var(--primary-light);
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--light);
    cursor: pointer;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
    position: absolute;
    right: 1.5rem;
    bottom: 0.65rem;
    transition: transform 0.3s ease;
}

.mobile-nav-toggle i {
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.mobile-nav-toggle .fa-bars {
    opacity: 1;
    transform: rotate(0deg);
    position: absolute;
    right: 0;
}

.mobile-nav-toggle .fa-times {
    opacity: 0;
    transform: rotate(-90deg);
    position: absolute;
    right: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .fa-bars {
    opacity: 0;
    transform: rotate(90deg);
}

.mobile-nav-toggle[aria-expanded="true"] .fa-times {
    opacity: 1;
    transform: rotate(0deg);
}

/* Phone CTA */
.nav-phone {
    margin-top: auto;
}

.nav-phone-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-light) !important;
}

.nav-cta {
    margin-top: 0.5rem;
}

.nav-cta .btn {
    width: 100%;
    padding: 0.75rem 1rem;
    justify-content: center;
}

/* Responsive Styles */
@media (min-width: 769px) {
    .nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .nav-list {
        display: flex;
        align-items: center;
    }

    .nav-phone,
    .nav-cta {
        margin-left: auto;
    }

    .nav-phone {
        margin-right: 1rem;
    }

    body.nav-header .nav {
        position: absolute;
        right: 4rem;
        top: 50%;
        transform: translateY(-50%);
    }
}

@media (max-width: 768px) {
    .header {
        height: 70px;
    }

    body.nav-header .nav {
        display: none;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100dvw;
        height: 100dvh;
        background-color: var(--bg-dark);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        box-shadow: var(--shadow);
        transition: var(--transition);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-list.active {
        right: 0;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: 0.75rem 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .mobile-nav-toggle {
        display: block;
    }

    body.nav-open .logo {
        animation: slideAndSquish 0.45s cubic-bezier(0.68, -0.6, 0.32, 1.6) forwards;
    }

    body.nav-closed .logo {
        animation: unsquish 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    }
}

@media (max-width: 576px) {
    .header {
        height: 60px;
    }

    .logo-img {
        height: 40px;
    }
}

body.nav-closed .nav-list {
  display: none;
}

/* Theme-specific styles */
body:not(.dark-mode) .nav-link {
    color: var(--gray-500);
}

body:not(.dark-mode) .nav-link:hover {
    color: var(--gray-700);
}

body:not(.dark-mode) .nav-link.active {
    color: var(--primary);
}

body:not(.dark-mode) .nav-list {
    background-color: var(--bg-light);
}

body:not(.dark-mode) .nav-link {
    border-bottom: 1px solid var(--gray-200);
}

body:not(.dark-mode) .mobile-nav-toggle {
    color: var(--gray-800);
}

body:not(.dark-mode) .nav-phone-link {
    color: var(--primary) !important;
}