/* ==========================================
   EIGHTLEGGED - Base Styles
   ========================================== */

:root {
    /* Brand Colors */
    --brand-orange: #f97316;
    --brand-orange-dark: #ea580c;

    /* Neutral Colors */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    --gray-950: #09090b;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: white;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================
   Typography
   ========================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.highlight {
    color: var(--brand-orange);
}

/* ==========================================
   Header & Navigation
   ========================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--gray-900);
    border-bottom: 1px solid var(--gray-700);
}

.main-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
}

.logo-img {
    width: 220px;
    object-fit: contain;
    padding: 0;
    margin: 0;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: white;
}

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

.nav-links > li {
    position: relative;
}

.nav-links > li > a {
    display: block;
    padding: var(--space-4) var(--space-4);
    font-weight: 500;
    color: var(--gray-300);
    transition: all var(--transition-fast);
}

.nav-links > li > a:hover,
.nav-links > li:hover > a {
    color: white;
    background: var(--gray-800);
}

/* Dropdown Menu */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-top: 2px solid var(--brand-orange);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    list-style: none;
    padding: var(--space-2) 0;
    margin: 0;
    z-index: 1001;
}

.nav-links > li:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown li a {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--gray-300);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.nav-dropdown li a:hover {
    color: white;
    background: var(--gray-700);
    padding-left: var(--space-6);
}

/* ==========================================
   Two-Tier Flyout Menu System
   ========================================== */

/* Tier 1: Main dropdown - vertical list of categories */
.nav-dropdown-wide {
    display: flex;
    flex-direction: column;
    min-width: 280px;
    padding: var(--space-2) 0;
    gap: 0;
}

/* Each section is a tier 1 item with potential tier 2 flyout */
.nav-dropdown-section {
    position: relative;
}

/* Overview link at top */
.nav-dropdown-section:first-child {
    border-bottom: 1px solid var(--gray-700);
    margin-bottom: var(--space-1);
}

.nav-dropdown-section:first-child > a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-weight: 600;
    color: var(--brand-orange);
    font-size: 0.9rem;
}

.nav-dropdown-section:first-child > a:hover {
    background: var(--gray-700);
}

/* Tier 1: Category heading links */
.nav-dropdown-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-200);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-dropdown-heading::after {
    content: ">";
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--gray-500);
    transition: all var(--transition-fast);
}

.nav-dropdown-heading:hover,
.nav-dropdown-section:hover > .nav-dropdown-heading {
    background: var(--gray-700);
    color: white;
}

.nav-dropdown-section:hover > .nav-dropdown-heading::after {
    color: var(--brand-orange);
}

.nav-dropdown-heading .nav-badge {
    color: var(--brand-orange);
    font-size: 0.65rem;
    font-weight: 600;
}

/* Tier 2: Subcategory flyout */
.nav-dropdown-sub {
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 240px;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-left: 2px solid var(--brand-orange);
    list-style: none;
    padding: var(--space-2) 0;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
    z-index: 1002;
}

/* Show tier 2 on hover of tier 1 */
.nav-dropdown-section:hover > .nav-dropdown-sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Tier 2 links */
.nav-dropdown-sub li a {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: 0.8rem;
    color: var(--gray-300);
    transition: all var(--transition-fast);
}

.nav-dropdown-sub li a:hover {
    background: var(--gray-700);
    color: white;
    padding-left: var(--space-6);
}

.nav-dropdown-sub li a .nav-badge {
    color: var(--brand-orange);
    opacity: 0.8;
    font-size: 0.6rem;
}

/* Mobile/tablet: stack instead of flyout */
@media (max-width: 1024px) {
    .nav-dropdown-wide {
        min-width: 260px;
    }

    .nav-dropdown-sub {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        border-left: 2px solid var(--gray-600);
        margin-left: var(--space-4);
        background: transparent;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .nav-dropdown-section:hover > .nav-dropdown-sub {
        max-height: 300px;
    }
}

.nav-cta {
    background: var(--brand-orange);
    color: white !important;
    padding: var(--space-2) var(--space-4);
    border-radius: 6px;
    transition: background var(--transition-fast);
}

.nav-cta:hover {
    background: var(--brand-orange-dark);
}

.nav-desktop-btn {
    background: var(--brand-orange) !important;
    color: white !important;
    padding: var(--space-2) var(--space-4) !important;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.nav-desktop-btn:hover {
    background: var(--brand-orange-dark) !important;
}

/* Auth Buttons (Login/Register) */
.nav-auth-btn {
    font-size: 0.875rem !important;
    font-weight: 500;
    padding: var(--space-2) var(--space-3) !important;
    transition: all var(--transition-fast);
}

.nav-auth-register {
    background: transparent !important;
    color: var(--brand-orange) !important;
    border: 1px solid var(--brand-orange);
    border-radius: 6px;
    padding: var(--space-2) var(--space-4) !important;
}

.nav-auth-register:hover {
    background: var(--brand-orange) !important;
    color: white !important;
}

/* Logged-in User Menu */
.nav-user-menu {
    position: relative;
}

.nav-user-btn {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 4px 10px 4px 4px !important;
    border-radius: 24px;
    background: rgba(249, 115, 22, 0.1) !important;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.nav-user-btn:hover {
    background: rgba(249, 115, 22, 0.2) !important;
}

.nav-user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--brand-orange);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.nav-user-name {
    font-weight: 600;
    color: white;
}

.nav-user-btn svg {
    opacity: 0.5;
    transition: transform var(--transition-fast);
}

.nav-user-menu:hover .nav-user-btn svg {
    transform: rotate(180deg);
    opacity: 1;
}

/* User dropdown styling */
.nav-user-menu .nav-dropdown {
    min-width: 180px;
    right: 0;
    left: auto;
}

.nav-user-menu .nav-dropdown a {
    display: flex !important;
    align-items: center;
    gap: 10px;
}

.nav-user-menu .nav-dropdown svg {
    opacity: 0.5;
    flex-shrink: 0;
}

.nav-user-menu .nav-dropdown a:hover svg {
    opacity: 1;
}

.nav-admin-link {
    color: #ef4444 !important;
}

.nav-admin-link svg {
    stroke: #ef4444 !important;
}

.nav-dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 4px 0;
}

.mobile-desktop-btn {
    display: block;
    background: transparent;
    color: rgba(255, 255, 255, 0.5) !important;
    padding: var(--space-3) var(--space-4);
    border-radius: 6px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.85rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--brand-orange);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.mobile-menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-950);
    padding: 80px var(--space-6) var(--space-6);
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-menu.open {
    transform: translateX(0);
    opacity: 1;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Top-level mobile links */
.mobile-nav-links > li > a,
.mobile-nav-parent > a {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: #fff;
    transition: color var(--transition-fast);
}

.mobile-nav-links > li > a:hover,
.mobile-nav-parent > a:hover {
    color: var(--brand-orange);
}

/* Parent row with expand button */
.mobile-nav-parent {
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.mobile-nav-parent > a {
    flex: 1;
    border-bottom: none;
}

.mobile-expand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--gray-500);
    transition: all var(--transition-fast);
    border-radius: 6px;
}

.mobile-expand:hover {
    color: var(--brand-orange);
    background: rgba(249,115,22,0.1);
}

.mobile-expand svg {
    transition: transform var(--transition-fast);
}

.has-children.expanded .mobile-expand svg {
    transform: rotate(180deg);
}

.has-children.expanded .mobile-expand {
    color: var(--brand-orange);
}

/* Sub-menu (accordion) */
.mobile-sub {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 0;
}

.has-children.expanded .mobile-sub {
    max-height: 500px;
}

.mobile-sub li a {
    display: block;
    padding: 10px 0 10px 20px;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--gray-400);
    border-left: 2px solid rgba(249,115,22,0.3);
    margin-left: 8px;
    transition: all var(--transition-fast);
}

.mobile-sub li a:hover {
    color: var(--brand-orange);
    border-left-color: var(--brand-orange);
}

/* Action buttons at bottom */
.mobile-nav-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.mobile-nav-actions + .mobile-nav-actions,
.mobile-nav-user + .mobile-nav-actions {
    margin-top: 10px;
    padding-top: 0;
    border-top: none;
}

/* Mobile Auth Buttons */
.mobile-auth-btn {
    flex: 1;
    text-align: center;
    padding: 12px 16px !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.mobile-auth-login {
    background: var(--brand-orange) !important;
    color: white !important;
}

.mobile-auth-login:hover {
    background: var(--brand-orange-dark) !important;
}

.mobile-auth-register {
    border: 1px solid var(--brand-orange) !important;
    color: var(--brand-orange) !important;
}

.mobile-auth-register:hover {
    background: var(--brand-orange) !important;
    color: white !important;
}

/* Mobile Logged-in User */
.mobile-nav-user {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.mobile-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--brand-orange);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.mobile-user-name {
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.mobile-user-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mobile-auth-admin {
    border: 1px solid #ef4444 !important;
    color: #ef4444 !important;
}

.mobile-auth-admin:hover {
    background: #ef4444 !important;
    color: white !important;
}

.mobile-auth-logout {
    border: 1px solid rgba(255,255,255,0.2) !important;
    color: rgba(255,255,255,0.6) !important;
}

.mobile-auth-logout:hover {
    border-color: rgba(255,255,255,0.4) !important;
    color: white !important;
}

/* ==========================================
   Main Content
   ========================================== */

.site-main {
    padding-top: 80px;
    min-height: calc(100vh - 200px);
}

/* ==========================================
   Footer
   ========================================== */

.site-footer {
    background: var(--gray-950);
    color: white;
    padding: var(--space-16) var(--space-6) var(--space-8);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: inline-block;
}

.footer-logo-img {
    width: 180px;
    object-fit: contain;
}

.footer-tagline {
    color: var(--gray-400);
    margin-top: var(--space-2);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: var(--space-4);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-col a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--brand-orange);
}

.footer-bottom {
    max-width: 1400px;
    margin: var(--space-12) auto 0;
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

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

    .mobile-menu {
        display: block;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
}