/* PROPHET-EQUITY PREMIUM NAVIGATION v3 */

/* Root Variables for Consistency */
:root {
    --nav-bg-glass: rgba(255, 255, 255, 0.85);
    --nav-border: rgba(255, 255, 255, 0.5);
    --nav-text: #0f172a;
    --nav-text-hover: #2563eb;
    --nav-height: 80px;
    --nav-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    --glass-blur: blur(20px);
    --transition-curve: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Navigation Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.5s var(--transition-curve);
    background: var(--nav-bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--nav-border);
    height: var(--nav-height);
    display: flex;
    align-items: center;
}

/* Scrolled State - More Compact */
.main-header.scrolled {
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--nav-shadow);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar {
    width: 100%;
    max-width: 1400px; /* Slightly wider for modern feel */
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    z-index: 1003; /* Above mobile menu */
}

.logo img {
    height: 42px;
    width: auto;
    transition: all 0.5s var(--transition-curve);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.05));
}

.main-header.scrolled .logo img {
    height: 36px;
}

.logo a:hover img {
    transform: scale(1.02);
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links li {
    position: relative;
    padding: 10px 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--nav-text);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 0;
    transition: color 0.3s ease;
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.01em;
    position: relative;
    display: inline-block;
}

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

/* Refined Underline Animation */
.nav-links > li > a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--nav-text-hover);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.4s var(--transition-curve);
    border-radius: 2px;
}

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

/* Dropdown Menu - Premium Feel */
.dropdown {
    position: relative;
}

.dropdown > a {
    padding-right: 20px !important;
}

/* Animated chevron */
.dropdown > a i.fa-chevron-down {
    font-size: 0.7em;
    margin-left: 6px;
    transition: transform 0.3s ease;
    opacity: 0.7;
    display: inline-block;
}

.dropdown:hover > a i.fa-chevron-down {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--nav-text-hover);
}

/* Dropdown Content */
.dropdown-content {
    position: absolute;
    top: calc(100% + 20px); /* Increased gap for safe hover area via pseudo-element */
    left: 50%;
    transform: translateX(-50%) translateY(10px) scale(0.98);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    min-width: 260px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0,0,0,0.03);
    border-radius: 20px;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--transition-curve);
    z-index: 1001;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

/* Safe Hover Area */
.dropdown-content::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: transparent;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
    top: calc(100% + 15px);
}

.dropdown-content li {
    display: block;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.dropdown-content a {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #475569;
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.dropdown-content a:hover {
    background-color: #f1f5f9;
    color: var(--nav-text-hover);
    padding-left: 20px; /* Slight shift */
}

.dropdown-content a::after {
    display: none;
}

/* Mobile Menu Button */
.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 1004; /* Highest */
    padding: 0;
    outline: none;
    justify-content: center;
    align-items: center;
}

.hamburger-box {
    width: 24px;
    height: 24px;
    position: relative;
}

.hamburger-inner {
    width: 100%;
    height: 2px;
    background-color: var(--nav-text);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    transition: background-color 0.1s 0.2s ease;
    border-radius: 2px;
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
    width: 100%;
    height: 2px;
    background-color: var(--nav-text);
    position: absolute;
    border-radius: 2px;
    transition: transform 0.3s ease, top 0.3s ease 0.3s; /* Delay transform, animate top first */
}

.hamburger-inner::before { top: -8px; }
.hamburger-inner::after { top: 8px; }

.hamburger-menu.active .hamburger-inner {
    background-color: transparent;
}

.hamburger-menu.active .hamburger-inner::before {
    top: 0;
    transform: rotate(45deg);
    transition: top 0.3s ease, transform 0.3s ease 0.3s;
}

.hamburger-menu.active .hamburger-inner::after {
    top: 0;
    transform: rotate(-45deg);
    transition: top 0.3s ease, transform 0.3s ease 0.3s;
}


/* Mobile Styles */
@media (max-width: 992px) {
    .hamburger-menu {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        height: 100dvh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        padding: 80px 0;
        transition: clip-path 0.6s cubic-bezier(0.19, 1, 0.22, 1);
        clip-path: circle(0% at 100% 0%); /* Circular reveal from corner */
        z-index: 1002;
    }

    .nav-links.active {
        clip-path: circle(150% at 100% 0%);
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease;
    }

    /* Staggered Animation Logic handled in JS by adding classes, 
       but here's the CSS part if we did it pure CSS (we will do JS for better control) */
    
    .nav-links.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-links a {
        font-size: 1.5rem;
        display: inline-block;
        padding: 15px 0;
        color: #1a1f2c;
    }

    .nav-links > li > a::after {
        display: none;
    }

    /* Mobile Dropdown */
    .dropdown > a i.fa-chevron-down {
        display: none; 
    }
    
    .dropdown > a::after {
        content: '+';
        margin-left: 10px;
        font-weight: 300;
        display: inline-block;
        transition: transform 0.3s;
    }

    .dropdown.active > a::after {
        transform: rotate(45deg);
    }

    .dropdown-content {
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        box-shadow: none;
        border: none;
        background: #f8fafc;
        max-height: 0;
        overflow: hidden;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
        border-radius: 16px;
    }

    .dropdown.active .dropdown-content {
        max-height: 500px; /* Arbitrary large number */
        padding: 10px;
        margin-top: 10px;
        margin-bottom: 20px;
    }
    
    .dropdown-content::before {
        display: none;
    }

    .dropdown-content a {
        padding: 12px;
        justify-content: center;
        font-size: 1.1rem;
        color: #64748b;
    }
}