/* ========================================
   Modern Horizontal Adaptive Menu
   ======================================== */

/* Base Navigation */
.main-nav {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 30px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    overflow: visible;
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 8px 16px;
    gap: 4px;
}

.nav-item {
    position: relative;
}

/* Main Navigation Links */
.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 20px;
    color: #2d3748;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    transition: all 0.25s ease;
}

.nav-link:hover {
    background: linear-gradient(135deg, #7c8fb8 0%, #6b7a9f 100%);
    color: #ffffff;
    transform: translateY(-1px);
}

.nav-link.active {
    background: linear-gradient(135deg, #7c8fb8 0%, #6b7a9f 100%);
    color: #ffffff;
}

/* Dropdown Arrow - via CSS (no HTML change) */
.has-dropdown > .nav-link::after {
    content: '▼';
    font-size: 8px;
    color: inherit;
    transition: transform 0.3s ease;
    margin-left: 6px;
    opacity: 0.7;
}

.has-dropdown.open > .nav-link::after {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .has-dropdown > .nav-link::after {
        margin-left: auto;
    }
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: #ffffff;
    min-width: 200px;
    list-style: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 1000;
    border: 1px solid #e2e8f0;
}

.has-dropdown:hover > .dropdown-menu,
.has-dropdown.open > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    display: block;
    padding: 10px 16px;
    color: #2d3748;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.dropdown-link:hover {
    background: #edf2f7;
    color: #7c8fb8;
    padding-left: 20px;
}

.dropdown-link.active {
    background: #7c8fb8;
    color: #ffffff;
}

/* Mobile Header */
.mobile-header {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.mobile-title {
    font-weight: 700;
    font-size: 1rem;
    color: #1a202c;
}

/* Burger Button */
.burger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    box-sizing: border-box;
}

.burger-btn span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: #7c8fb8;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    margin: 3px 0;
}

.burger-btn.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
    background: #c53030;
}

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

.burger-btn.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
    background: #c53030;
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ========================================
   Tablet (max-width: 1024px)
   ======================================== */
@media (max-width: 1024px) {
    .nav-list {
        justify-content: flex-start;
        gap: 2px;
    }

    .nav-link {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
}

/* ========================================
   Mobile (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {
    .main-nav {
        margin: 0 auto 20px;
        border-radius: 12px;
    }

    .mobile-header {
        display: flex !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 8px 12px !important;
    }

    .mobile-title {
        font-weight: 700 !important;
        font-size: 1rem !important;
        color: #1a202c !important;
        flex: 1 !important;
        cursor: pointer !important;
    }

    .burger-btn {
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        width: 48px !important;
        height: 48px !important;
        min-width: 48px !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        padding: 8px !important;
        z-index: 1001 !important;
        margin-left: auto !important;
        flex-shrink: 0 !important;
        box-sizing: border-box !important;
    }

    .burger-btn span {
        display: block !important;
        width: 22px !important;
        height: 2.5px !important;
        background: #7c8fb8 !important;
        border-radius: 2px !important;
        margin: 3px 0 !important;
    }

    .nav-list {
        display: none !important;
        flex-direction: column !important;
        flex-wrap: nowrap !important;
        padding: 12px !important;
        gap: 0 !important;
    }

    .nav-list.open {
        display: flex !important;
    }

    .nav-item {
        width: 100% !important;
        margin: 0 !important;
    }

    .nav-link {
        padding: 14px 16px !important;
        width: 100% !important;
        justify-content: space-between !important;
        border-radius: 8px !important;
    }

    .nav-link:hover {
        background: #edf2f7 !important;
        color: #2d3748 !important;
        transform: none !important;
    }

    .nav-link.active {
        background: #7c8fb8 !important;
        color: #ffffff !important;
    }

    .dropdown-menu {
        position: static !important;
        transform: none !important;
        left: auto !important;
        top: auto !important;
        opacity: 1 !important;
        visibility: visible !important;
        margin: 0 !important;
        border: none !important;
        border-left: 3px solid #7c8fb8 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: #f7fafc !important;
        display: none !important;
        padding: 0 !important;
        min-width: 100% !important;
    }

    .has-dropdown.open > .dropdown-menu {
        display: block !important;
    }

    .dropdown-link {
        padding: 12px 16px 12px 36px !important;
        font-size: 0.85rem !important;
        border-radius: 0 !important;
    }

    .dropdown-link:hover {
        background: #edf2f7 !important;
        color: #7c8fb8 !important;
        padding-left: 40px !important;
    }

    .dropdown-link.active {
        background: #7c8fb8 !important;
        color: #ffffff !important;
    }
}

/* ========================================
   Small Mobile (max-width: 480px)
   ======================================== */
@media (max-width: 480px) {
    .main-nav {
        border-radius: 0;
    }

    .nav-link {
        padding: 12px 14px !important;
        font-size: 0.9rem !important;
    }

    .dropdown-link {
        padding: 10px 14px 10px 32px !important;
    }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.nav-link:focus,
.dropdown-link:focus,
.burger-btn:focus {
    outline: 2px solid #7c8fb8;
    outline-offset: 2px;
}