/* ===================================
   CSS VARIABLES - COLOR SCHEME
   =================================== */
:root {
    --primary-color-1: #4c8a89;
    --secondary-color-1: #3a506b;
    --tertiary-color-1: #1c2541;
    --dark-color-1: #0b132b;
    --text-color-1: #171717;
    --text-secondary-1: #575757;
    --bg-color-1: #ffffff;
    --header-bg-1: #ffffff;
    --footer-bg-1: #fafafa;
    --nav-text-1: #171717;
    --border-color-1: #e5e5e5;
    --card-bg-1: #ffffff;
    --shadow-1: rgba(0, 0, 0, 0.05);
    --font-family-1: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Status Colors */
    --error-color: #dc2626;
    --error-bg: rgba(239, 68, 68, 0.1);
    --error-border: rgba(239, 68, 68, 0.3);
    --success-color: #16a34a;
    --success-bg: rgba(22, 163, 74, 0.1);
    --success-border: rgba(22, 163, 74, 0.3);

    /* Additional Colors */
    --white: #ffffff;
    --black: #000000;
    --overlay-bg: rgba(0, 0, 0, 0.7);
    --spinner-border: rgba(255, 255, 255, 0.3);

    /* Shadow Variations */
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-primary: 0 10px 20px rgba(76, 138, 137, 0.3);
    --focus-shadow: 0 0 0 3px rgba(76, 138, 137, 0.1);
}

/* Dark mode variables */
[data-theme="dark"] {
    --text-color-1: #fafafa;
    --text-secondary-1: #a1a1aa;
    --bg-color-1: #000000;
    --header-bg-1: #0a0a0a;
    --footer-bg-1: #0a0a0a;
    --nav-text-1: #fafafa;
    --border-color-1: #27272a;
    --card-bg-1: #0a0a0a;
    --shadow-1: rgba(0, 0, 0, 0.2);
}

/* ===================================
   BASE STYLES - RESET & TYPOGRAPHY
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-1);
    background-color: var(--bg-color-1);
    color: var(--text-color-1);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* ===================================
   CUSTOM SCROLLBAR STYLES
   =================================== */
/* Main scrollbar (body/html) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color-1);
    border-left: 1px solid var(--border-color-1);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color-1);
    border-radius: 5px;
    border: 2px solid var(--bg-color-1);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary-1);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color-1) var(--bg-color-1);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* For containers that might have overflow */
.scrollable-container,
.mobile-nav,
.modal-content,
.dropdown-menu,
.overflow-auto,
.overflow-y-auto,
.overflow-x-auto {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color-1) var(--card-bg-1);
}

.scrollable-container::-webkit-scrollbar,
.mobile-nav::-webkit-scrollbar,
.modal-content::-webkit-scrollbar,
.dropdown-menu::-webkit-scrollbar,
.overflow-auto::-webkit-scrollbar,
.overflow-y-auto::-webkit-scrollbar,
.overflow-x-auto::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.scrollable-container::-webkit-scrollbar-track,
.mobile-nav::-webkit-scrollbar-track,
.modal-content::-webkit-scrollbar-track,
.dropdown-menu::-webkit-scrollbar-track,
.overflow-auto::-webkit-scrollbar-track,
.overflow-y-auto::-webkit-scrollbar-track,
.overflow-x-auto::-webkit-scrollbar-track {
    background: var(--card-bg-1);
    border-radius: 3px;
}

.scrollable-container::-webkit-scrollbar-thumb,
.mobile-nav::-webkit-scrollbar-thumb,
.modal-content::-webkit-scrollbar-thumb,
.dropdown-menu::-webkit-scrollbar-thumb,
.overflow-auto::-webkit-scrollbar-thumb,
.overflow-y-auto::-webkit-scrollbar-thumb,
.overflow-x-auto::-webkit-scrollbar-thumb {
    background: var(--border-color-1);
    border-radius: 3px;
}

.scrollable-container::-webkit-scrollbar-thumb:hover,
.mobile-nav::-webkit-scrollbar-thumb:hover,
.modal-content::-webkit-scrollbar-thumb:hover,
.dropdown-menu::-webkit-scrollbar-thumb:hover,
.overflow-auto::-webkit-scrollbar-thumb:hover,
.overflow-y-auto::-webkit-scrollbar-thumb:hover,
.overflow-x-auto::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary-1);
}


/* ===================================
   HEADER STYLES
   =================================== */
.header {
    background-color: var(--header-bg-1);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color-1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    gap: 2rem;
}

/* Logo */
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--nav-text-1);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo:hover {
    color: var(--primary-color-1);
    transform: translateY(-1px);
}

.logo i {
    color: var(--primary-color-1);
}

/* Navigation */
.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 800px;
    background: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1rem;
    justify-content: center;
    flex-wrap: nowrap;
    background: transparent;
}

.nav-link {
    color: var(--nav-text-1);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 14px;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color-1);
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--primary-color-1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color-1);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--nav-text-1);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.mobile-menu-toggle:hover {
    background-color: var(--border-color-1);
}

/* Mobile Close Button */
.mobile-nav-close {
    background: none;
    border: none;
    color: var(--nav-text-1);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.mobile-nav-close:hover {
    background-color: var(--border-color-1);
    color: var(--primary-color-1);
}

/* ===================================
   BUTTON STYLES
   =================================== */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Disabled / non-interactive buttons (including anchor-like buttons) */
.btn.disabled,
.btn[aria-disabled="true"],
.btn.is-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
}

.btn-primary {
    background-color: var(--primary-color-1);
    color: white;
    border-color: var(--primary-color-1);
}

.btn-primary:hover {
    background-color: #4ca8a6;
    border-color: #4ca8a6;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-color-1);
    border-color: var(--border-color-1);
}

.btn-secondary:hover {
    background-color: var(--border-color-1);
    border-color: var(--primary-color-1);
    color: var(--primary-color-1);
}

/* ===================================
   MOBILE NAVIGATION
   =================================== */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--header-bg-1);
    border-left: 1px solid var(--border-color-1);
    transition: right 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
    display: block !important;
    visibility: hidden;
}

.mobile-nav.active {
    right: 0;
    visibility: visible;
}

.mobile-nav-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color-1);
    background: var(--header-bg-1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.mobile-nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color-1);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-nav-logo i {
    color: var(--primary-color-1);
}

.mobile-nav-close {
    background: none;
    border: none;
    color: var(--nav-text-1);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.mobile-nav-close:hover {
    background-color: var(--border-color-1);
    color: var(--primary-color-1);
}

.mobile-nav-menu {
    list-style: none;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color-1);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.mobile-nav-link:hover {
    background-color: var(--border-color-1);
    color: var(--primary-color-1);
}

.mobile-nav-link.active {
    background-color: var(--primary-color-1);
    color: white;
}

/* Mobile Divider */
.mobile-nav-divider {
    height: 1px;
    background-color: var(--border-color-1);
    margin: 1rem 0;
}

/* Mobile Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}



/* ===================================
   FOOTER STYLES
   =================================== */
.footer {
    background-color: var(--footer-bg-1);
    color: var(--text-color);
    margin-top: auto;
    transition: all 0.3s ease;
    border-top: 1px solid var(--border-color-1);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border-color-1);
}

/* Footer Brand */
.footer-brand {
    max-width: 280px;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color-1);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.footer-logo i {
    color: var(--primary-color-1);
}

.footer-description {
    color: var(--text-secondary-1);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary-1);
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-link:hover {
    border-color: var(--primary-color-1);
    color: var(--primary-color-1);
    transform: translateY(-1px);
}

/* Footer Columns */
.footer-column h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-color-1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link {
    color: var(--text-secondary-1);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.footer-link:hover {
    color: var(--primary-color-1);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    flex-wrap: nowrap;
    gap: 1rem;
}

.footer-copyright {
    color: var(--text-secondary-1);
    font-size: 12px;
    flex-shrink: 0;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
    flex-shrink: 0;
}

.footer-legal .footer-link {
    font-size: 12px;
}

/* ===================================
   THEME TOGGLE
   =================================== */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    background: var(--card-bg-1);
    border: 1px solid var(--border-color-1);
    border-radius: 6px;
    padding: 2px;
    gap: 2px;
    flex-shrink: 0;
}

.theme-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary-1);
    font-size: 14px;
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.theme-toggle-btn:hover {
    color: var(--text-color-1);
    background-color: var(--border-color-1);
}

.theme-toggle-btn.active {
    background: var(--primary-color-1);
    color: white;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Desktop - Hide mobile elements */
@media (min-width: 1025px) {
    .mobile-nav {
        display: none !important;
    }
    
    .mobile-nav-overlay {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: none !important;
    }
}

/* Tablet - Show mobile menu */
@media (max-width: 1024px) {
    .nav-center {
        display: none;
    }
    
    .nav-actions .btn {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-nav {
        display: block !important;
    }
}

/* Medium screens - Adjust navigation */
@media (max-width: 900px) {
    .nav-menu {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 13px;
    }
    
    .header-container {
        gap: 1rem;
    }
}

/* Mobile - Adjust layouts */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
    }
    
    .mobile-nav-menu {
        padding-bottom: 2rem;
    }
    
    .mobile-nav-menu .btn {
        margin-top: 1rem;
    }
    
    .mobile-nav-link {
        margin-bottom: 0.5rem;
    }
    
    .footer-container {
        padding: 0 0.75rem;
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        padding: 2rem 0 1.5rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
        padding: 1.5rem 0;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .theme-toggle {
        order: -1;
    }
}

/* Small Mobile - Single column */
@media (max-width: 480px) {
    .header-container {
        padding: 0 0.75rem;
    }
    
    .main-content {
        padding: 0 0.5rem;
        padding-top: 4.5rem;
    }
    
    .footer-container {
        padding: 0 0.5rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        text-align: center;
        align-items: center;
    }
    
    .theme-toggle {
        order: 0;
    }
}