/*
Theme Name: BestFreeAITools Theme
Theme URI: https://bestfreeaitools.io
Author: BestFreeAITools Team
Author URI: https://bestfreeaitools.io
Description: A premium, dark-mode SaaS theme for BestFreeAITools.io - inspired by FlowSync's enterprise aesthetic.
Version: 2.0.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bfai-theme
*/
/**
 * ARCHITECTURE NOTE:
 * This theme uses a modular CSS architecture:
 * 
 * 1. design-tokens.css - CSS custom properties (colors, typography, spacing)
 * 2. components.css    - Reusable UI components (buttons, cards, badges)
 * 3. pages.css         - Page-specific layouts and sections
 * 4. style.css         - Base resets and theme-specific overrides (this file)
 * 
 * All files are enqueued via functions.php
 */

/* ============================================
   BASE RESET
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-body);
    font-weight: var(--weight-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY BASE
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
}

h1 {
    font-size: var(--text-h1);
}

h2 {
    font-size: var(--text-h2);
}

h3 {
    font-size: var(--text-h3);
}

h4 {
    font-size: var(--text-h4);
}

h5 {
    font-size: var(--text-body);
}

h6 {
    font-size: var(--text-sm);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--brand-primary);
}

strong,
b {
    font-weight: var(--weight-semibold);
}

small {
    font-size: var(--text-sm);
}

/* ============================================
   IMAGES & MEDIA
   ============================================ */

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

/* ============================================
   LISTS
   ============================================ */

ul,
ol {
    padding-left: var(--space-6);
}

li {
    margin-bottom: var(--space-2);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.bfai-main-container,
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.container-xs {
    max-width: var(--container-xs);
}

/* ============================================
   HEADER STYLES (Updated for Premium Dark)
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-4) 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--weight-bold);
    font-size: var(--text-h4);
    color: var(--text-primary);
}

.site-brand img {
    height: 32px;
    width: auto;
}

.main-nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: var(--space-8);
}

.main-nav a {
    font-weight: var(--weight-medium);
    font-size: var(--text-sm);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.main-nav a.active {
    color: var(--brand-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Search Trigger */
.search-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-trigger:hover {
    background: var(--glass-bg-hover);
    border-color: var(--border-default);
    color: var(--text-primary);
}

/* Primary Header CTA */
.btn-get-started {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--brand-gradient);
    color: #fff;
    font-weight: var(--weight-semibold);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-get-started:hover {
    box-shadow: var(--glow-purple);
    transform: translateY(-1px);
    color: #fff;
}

/* Theme Toggle */
.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    background: var(--glass-bg);
    border-color: var(--border-default);
    color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu-trigger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-2);
}

/* ============================================
   FOOTER STYLES (Updated for Premium Dark)
   ============================================ */

.site-footer {
    background: var(--bg-surface-solid);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-16);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer-brand p {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.footer-col h4 {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.5;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.footer-links .view-all-link {
    font-weight: 600;
    color: var(--brand-primary);
    margin-top: var(--space-2);
}

/* Footer Resource Links (Minimal version of mega-menu styles) */
.footer-resource-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-res-card-link {
    font-size: var(--text-sm);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    text-decoration: none;
    display: block;
}

.footer-res-card-link:hover {
    color: rgb(var(--res-accent));
    transform: translateX(4px);
}

.footer-socials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--glass-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--brand-gradient);
    border-color: transparent;
    color: #fff;
    transform: translateY(-2px);
}

.footer-auth-wrap {
    margin-top: var(--space-6);
}

.footer-btn-auth {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-6);
    background: var(--brand-gradient);
    color: #fff !important;
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.2);
}

.footer-btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.3);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    color: var(--text-dim);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--text-dim);
}

.footer-legal a:hover {
    color: var(--text-muted);
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */

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

/* ============================================
   WORDPRESS SPECIFIC
   ============================================ */

.wp-block-image img {
    height: auto;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.alignleft {
    float: left;
    margin-right: var(--space-4);
}

.alignright {
    float: right;
    margin-left: var(--space-4);
}

/* Screen Reader Text */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* ============================================
   SCROLLBAR (Custom Dark Mode)
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-full);
}

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

/* ============================================
   SELECTION
   ============================================ */

::selection {
    background: var(--brand-primary);
    color: #fff;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

/* ============================================
   FIX #6: DAY MODE HEADER POLISH
   ============================================ */

[data-theme="light"] .site-header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .site-brand a {
    color: #0f172a;
}

[data-theme="light"] .brand-accent {
    color: var(--brand-primary);
}

[data-theme="light"] .main-nav a {
    color: #475569;
}

[data-theme="light"] .main-nav a:hover {
    color: #0f172a;
}

[data-theme="light"] .search-trigger {
    background: #f1f5f9;
    border-color: rgba(0, 0, 0, 0.08);
    color: #475569;
}

[data-theme="light"] .search-trigger:hover {
    background: #e2e8f0;
    color: #0f172a;
}

[data-theme="light"] .theme-toggle-btn {
    border-color: rgba(0, 0, 0, 0.08);
    color: #475569;
}

[data-theme="light"] .theme-toggle-btn:hover {
    background: #f1f5f9;
    color: #0f172a;
}

[data-theme="light"] .mobile-menu-trigger {
    color: #0f172a;
}

/* ============================================
   HEADER BRAND STYLING
   ============================================ */

.site-brand a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.brand-text {
    font-weight: var(--weight-bold);
    font-size: var(--text-h4);
}

.brand-accent {
    color: var(--brand-primary);
}

/* ============================================
   FIX #5: MOBILE MENU PANEL (SLIDE DOWN)
   ============================================ */

.mobile-menu-panel {
    position: fixed;
    top: 72px;
    /* Below header */
    left: 0;
    right: 0;
    bottom: 0;
    z-index: calc(var(--z-sticky) - 1);
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
}

.mobile-menu-panel.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-inner {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-nav li {
    margin: 0;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-body);
    font-weight: var(--weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.mobile-nav a:hover {
    background: var(--glass-bg-hover);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.mobile-nav svg {
    color: var(--brand-primary);
    flex-shrink: 0;
}

.mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--brand-gradient);
    color: #fff !important;
    font-size: var(--text-body);
    font-weight: var(--weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md), 0 0 20px rgba(168, 85, 247, 0.2);
}

.mobile-cta-btn:hover {
    box-shadow: var(--glow-purple);
    transform: translateY(-2px);
}

/* Light Mode Mobile Menu */
[data-theme="light"] .mobile-menu-panel {
    background: rgba(255, 255, 255, 0.98);
}

[data-theme="light"] .mobile-nav a {
    background: #f1f5f9;
    border-color: rgba(0, 0, 0, 0.08);
    color: #0f172a;
}

[data-theme="light"] .mobile-nav a:hover {
    background: #e2e8f0;
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* ============================================
   FIX #5: MOBILE BOTTOM NAVIGATION
   ============================================ */

.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-2) 0;
    padding-bottom: max(var(--space-2), env(safe-area-inset-bottom));
}

.mobile-bottom-nav {
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-2) var(--space-4);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 11px;
    font-weight: var(--weight-medium);
    transition: all var(--transition-fast);
}

.bottom-nav-item svg {
    flex-shrink: 0;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--brand-primary);
}

[data-theme="light"] .mobile-bottom-nav {
    background: rgba(255, 255, 255, 0.98);
    border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .bottom-nav-item {
    color: #475569;
}

[data-theme="light"] .bottom-nav-item:hover,
[data-theme="light"] .bottom-nav-item.active {
    color: var(--brand-primary);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }

    .mobile-menu-trigger {
        display: flex;
        align-items: center;
        justify-content: center;
    }

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

    /* Hide desktop CTA on mobile header */
    .header-actions .btn-get-started {
        display: none;
    }
}

@media (max-width: 768px) {

    /* Show bottom nav on mobile */
    .mobile-bottom-nav {
        display: flex;
    }

    /* Reduce header padding on mobile */

    /* Reduce header padding on mobile */
    .site-header {
        padding: var(--space-3) 0;
    }

    .site-brand {
        font-size: var(--text-body);
    }

    .brand-text {
        font-size: var(--text-body);
    }

    /* Adjust body padding for bottom nav */
    body {
        padding-bottom: 70px;
    }

    /* Adjust floating CTA to be above bottom nav */
    .floating-cta-bar.visible {
        bottom: 82px !important;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        order: -1;
    }

    .footer-socials {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    /* Hide search trigger on very small screens */
    .search-trigger {
        display: none;
    }
}