/* ========================================
   Modern SaaS Header Styles
   ======================================== */

/* CSS Variables */
:root {
    --header-height: 72px;
    --header-height-scrolled: 64px;
    --header-bg: rgba(255, 255, 255, 0.95);
    --header-bg-scrolled: rgba(255, 255, 255, 0.98);
    --header-border: rgba(226, 232, 240, 0.8);
    --header-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --header-shadow-scrolled: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --cta-color: #4FC13C;
    --cta-hover: #2EA26D;
    --cta-shadow: 0 4px 14px 0 rgba(54, 179, 126, 0.39);
    --nav-link-color: #64748B;
    --nav-link-hover: #0F172A;
    --nav-link-active: #1762BE;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ========================================
   Header Base Styles
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--header-border);
    box-shadow: var(--header-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-scrolled {
    height: var(--header-height-scrolled);
    background: var(--header-bg-scrolled);
    box-shadow: var(--header-shadow-scrolled);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ========================================
   Logo Styles
   ======================================== */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: transform 0.2s ease;
}

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

.logo img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1762BE 0%, #122A54 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: 0 2px 8px rgba(14, 146, 210, 0.3);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1762BE 0%, #4FC13C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* ========================================
   Navigation Menu
   ======================================== */
.nav-menu {
    display: flex;
    align-items: center;
    margin-left: auto;
    margin-right: 2rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--nav-link-color);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--nav-link-active);
    background: rgba(14, 146, 210, 0.06);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--nav-link-active);
    transition: all 0.2s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - 2rem);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(226, 232, 240, 0.8);
    min-width: 220px;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    list-style: none;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.dropdown-menu a:hover {
    background: #f1f5f9;
    color: #1762BE;
}

/* Dropdown arrow indicator - Using .dropdown-icon span instead of ::before */
.nav-item:has(.dropdown-menu) > .nav-link::before {
    display: none !important;
}

.nav-item:hover > .nav-link .dropdown-icon {
    transform: rotate(180deg);
}

/* ========================================
   Header Actions & CTA Button
   ======================================== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    background: var(--cta-color);
    border: none;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--cta-shadow);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-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;
}

.btn-cta:hover {
    background: var(--cta-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(54, 179, 126, 0.4);
}

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

.btn-cta:active {
    transform: translateY(0);
}

/* ========================================
   Mobile Menu Toggle
   ======================================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 10001;
    border-radius: 8px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: background 0.2s ease;
}

.menu-toggle:hover {
    background: rgba(0, 0, 0, 0.08);
}

.menu-toggle:focus {
    outline: none;
}

.menu-toggle:active {
    background: rgba(0, 0, 0, 0.1);
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #475569;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
}

.menu-toggle span:nth-child(1) {
    transform: translateY(-6px);
}

.menu-toggle span:nth-child(2) {
    transform: translateY(0);
    opacity: 1;
}

.menu-toggle span:nth-child(3) {
    transform: translateY(6px);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(0) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(0) rotate(-45deg);
}

/* ========================================
   Mobile Navigation - Fixed
   ======================================== */
@media (max-width: 1024px) {
    /* Menu Toggle Button */
    #menuToggle,
    .menu-toggle {
        display: flex !important;
    }
    
    /* Menu Overlay Backdrop */
    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
    }
    
    .menu-overlay.active {
        display: block;
    }
    
    /* Mobile Menu Drawer */
    .nav-menu {
        display: block !important;
        position: fixed !important;
        top: 0 !important;
        left: auto !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 280px !important;
        height: 100vh !important;
        background: #ffffff !important;
        box-shadow: -2px 0 20px rgba(0,0,0,0.15) !important;
        margin: 0 !important;
        padding: 70px 0 0 0 !important;
        transform: translateX(100%) !important;
        transition: transform 0.3s ease !important;
        overflow-y: auto !important;
        z-index: 999 !important;
    }

    .nav-menu.active {
        transform: translateX(0) !important;
    }
    
    /* Navigation List */
    .nav-list {
        display: block !important;
        list-style: none !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
    }
    
    /* Navigation Items */
    .nav-item {
        display: block !important;
        width: 100% !important;
        border-bottom: 1px solid #e2e8f0 !important;
        margin: 0 !important;
        padding: 0 !important;
        position: relative !important;
    }
    
    .nav-item:last-child {
        border-bottom: none !important;
    }
    
    /* Dropdown item specific */
    .nav-item.has-dropdown {
        padding: 0 !important;
    }
    
    /* Navigation Links */
    .nav-link {
        display: block !important;
        width: 100% !important;
        padding: 15px 20px !important;
        font-size: 16px !important;
        font-weight: 500 !important;
        color: #122A54 !important;
        text-decoration: none !important;
        background: transparent !important;
        border: none !important;
        text-align: left !important;
        cursor: pointer !important;
        box-sizing: border-box !important;
    }
    
    .nav-link:hover {
        background: #f1f5f9 !important;
        color: #1762BE !important;
    }
    
    /* Active state */
    .nav-link.active {
        background: #f1f5f9 !important;
        color: #1762BE !important;
    }
    
    /* Remove any underline from active links */
    .nav-link.active::after,
    .nav-link.active::before {
        display: none !important;
        content: none !important;
        border: none !important;
        text-decoration: none !important;
    }
    
    /* Dropdown Menu */
    .dropdown-menu {
        display: none;
        list-style: none !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #f8fafc !important;
        width: 100% !important;
        border: none !important;
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        box-shadow: none !important;
    }
    
    .nav-item.dropdown-open .dropdown-menu {
        display: block !important;
    }
    
    .dropdown-menu li {
        display: block !important;
        width: 100% !important;
        border-top: 1px solid #e2e8f0 !important;
        margin: 0 !important;
    }
    
    .dropdown-menu a {
        display: block !important;
        width: 100% !important;
        padding: 12px 20px 12px 40px !important;
        font-size: 14px !important;
        color: #475569 !important;
        text-decoration: none !important;
        background: transparent !important;
        box-sizing: border-box !important;
        border-radius: 0 !important;
    }
    
    .dropdown-menu a:hover {
        background: #f1f5f9 !important;
        color: #1762BE !important;
    }
    
    /* Dropdown Arrow - Simple text-based */
    .has-dropdown > .nav-link {
        position: relative !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }
    
    .has-dropdown > .nav-link .dropdown-icon {
        font-size: 10px !important;
        color: #94a3b8 !important;
        transition: transform 0.2s ease !important;
        margin-left: 8px !important;
        flex-shrink: 0 !important;
    }
    
    .nav-item.dropdown-open .dropdown-icon {
        transform: rotate(180deg) !important;
    }
    
    /* Hide any pseudo-elements that might show arrows */
    .nav-item.has-dropdown > .nav-link::before,
    .nav-item.has-dropdown > .nav-link::after,
    .nav-item:has(.dropdown-menu) > .nav-link::before {
        display: none !important;
        content: none !important;
    }
    
    /* Hide desktop CTA */
    .header-actions .btn-cta:not(.mobile-cta) {
        display: none !important;
    }
    
    /* Mobile CTA Button */
    .mobile-cta {
        display: block !important;
        width: calc(100% - 40px) !important;
        margin: 20px auto !important;
        padding: 14px !important;
        background: linear-gradient(135deg, #1762BE 0%, #4FC13C 100%) !important;
        color: #ffffff !important;
        text-align: center !important;
        text-decoration: none !important;
        border-radius: 8px !important;
        font-weight: 600 !important;
        font-size: 16px !important;
        box-sizing: border-box !important;
    }
}

/* Small mobile screens */
@media (max-width: 480px) {
    .nav-menu {
        width: 260px !important;
    }
    
    .nav-link {
        padding: 14px 16px !important;
        font-size: 15px !important;
    }
    
    .dropdown-menu a {
        padding: 12px 16px 12px 32px !important;
        font-size: 14px !important;
    }
    
    .mobile-cta {
        width: calc(100% - 32px) !important;
        margin: 16px auto !important;
        padding: 12px !important;
        font-size: 15px !important;
    }
}

/* Show CTA on larger screens */
@media (min-width: 1025px) {
    .mobile-cta {
        display: none;
    }
}

/* ========================================
   Scroll Behavior
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-padding-top: calc(var(--header-height) + 2rem);
    }
}

/* ========================================
   Tablet Adjustments
   ======================================== */
@media (max-width: 1200px) and (min-width: 1025px) {
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    .btn-cta {
        padding: 0.5rem 1.25rem;
        font-size: 0.875rem;
    }
}