/* Enhanced Header with White Background */

.main-header {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 6px solid #51854c;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

/* Logo Section */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 0 0 auto;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 1rem;
    border-radius: 12px;
}

.logo a:hover {
    background: rgba(26, 61, 106, 0.05);
    transform: scale(1.02);
}

.logo-img {
    height: 60px;
    width: auto;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(1) drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.logo a:hover .logo-img {
    filter: brightness(1.05) drop-shadow(0 4px 12px rgba(81, 133, 76, 0.3));
    transform: scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-text h1 {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.75rem;
    color: #51854c;
    margin: 0;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Navigation */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.main-nav a,
.main-nav .dropdown-trigger {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-nav a::before,
.main-nav .dropdown-trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(81, 133, 76, 0.1) 0%, rgba(81, 133, 76, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.main-nav a::after,
.main-nav .dropdown-trigger::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #51854c, #6ba065);
    border-radius: 2px 2px 0 0;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav a:hover,
.main-nav a.active,
.main-nav .dropdown-trigger:hover,
.main-nav .dropdown-trigger.active {
    color: #51854c;
}

.main-nav a:hover::before,
.main-nav a.active::before,
.main-nav .dropdown-trigger:hover::before,
.main-nav .dropdown-trigger.active::before {
    opacity: 1;
}

.main-nav a:hover::after,
.main-nav a.active::after,
.main-nav .dropdown-trigger:hover::after,
.main-nav .dropdown-trigger.active::after {
    width: 70%;
}

.main-nav li.dropdown > .dropdown-trigger i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.main-nav li.dropdown:hover > .dropdown-trigger i,
.main-nav li.dropdown.active > .dropdown-trigger i {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.main-nav .dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    background: linear-gradient(135deg, #1a3d6a 0%, #0f1419 100%);
    min-width: 280px;
    list-style: none;
    padding: 0.75rem 0;
    margin: 0;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    border: 1px solid rgba(81, 133, 76, 0.3);
    pointer-events: none;
}

.main-nav li.dropdown:hover .dropdown-menu,
.main-nav li.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.main-nav .dropdown-menu a {
    display: block;
    width: 100%;
    color: rgba(255, 255, 255, 0.9);
    padding: 0.85rem 1.75rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-radius: 0;
    position: relative;
    white-space: nowrap;
    text-align: left;
}

.main-nav .dropdown-menu a::before,
.main-nav .dropdown-menu a::after {
    display: none;
}

.main-nav .dropdown-menu a:hover {
    background: linear-gradient(135deg, rgba(81, 133, 76, 0.2) 0%, rgba(81, 133, 76, 0.1) 100%);
    color: #51854c;
    padding-left: 2.25rem;
}

.main-nav .dropdown-menu a.active {
    background: linear-gradient(135deg, rgba(81, 133, 76, 0.3) 0%, rgba(81, 133, 76, 0.2) 100%);
    color: #51854c;
    font-weight: 600;
}

.main-nav .dropdown-trigger {
    color: var(--primary-color) !important;
}

.main-nav .dropdown-menu a::before,
.main-nav .dropdown-menu a::after {
    display: none;
}

.main-nav .dropdown-menu a:hover {
    background: linear-gradient(135deg, rgba(81, 133, 76, 0.2) 0%, rgba(81, 133, 76, 0.1) 100%);
    color: #51854c;
    padding-left: 2.25rem;
}

.main-nav .dropdown-menu a.active {
    background: linear-gradient(135deg, rgba(81, 133, 76, 0.3) 0%, rgba(81, 133, 76, 0.2) 100%);
    color: #51854c;
    font-weight: 600;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.75rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.mobile-menu-toggle:hover {
    background: rgba(81, 133, 76, 0.1);
    transform: scale(1.1);
}

.mobile-menu-toggle:focus {
    outline: 2px solid #51854c;
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 1024px) {
    .logo-text h1 {
        font-size: 1.2rem;
    }

    .main-nav a,
    .main-nav .dropdown-trigger {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 1.5rem;
    }

    .logo-img {
        height: 50px;
    }

    .logo-text h1 {
        font-size: 1.1rem;
    }

    .logo-text p {
        font-size: 0.7rem;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1rem 0;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        flex-direction: column;
        width: 100%;
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

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

    .main-nav a,
    .main-nav .dropdown-trigger {
        display: block;
        padding: 1rem 1.5rem;
        border-radius: 0;
        width: 100%;
        text-align: left;
        color: var(--primary-color);
    }

    .main-nav .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        background: #f8f7f4;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        border: none;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        padding: 0;
    }

    .main-nav li.dropdown.active .dropdown-menu,
    .main-nav li.dropdown.open .dropdown-menu {
        display: block;
    }

    .main-nav .dropdown-menu a {
        padding-left: 2.5rem;
        color: var(--primary-color);
    }

    .main-nav .dropdown-menu a:hover {
        background: rgba(81, 133, 76, 0.1);
        color: #51854c;
        padding-left: 3rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 1rem;
    }

    .logo {
        gap: 0.75rem;
    }

    .logo-img {
        height: 45px;
    }

    .logo-text h1 {
        font-size: 1rem;
    }

    .logo-text p {
        font-size: 0.65rem;
    }

    .main-nav a,
    .main-nav .dropdown-trigger {
        padding: 0.85rem 1.25rem;
        font-size: 0.85rem;
    }
}