/*
Theme Name: NeuraForge AI
Theme URI: https://neuraforge.ai
Author: NeuraForge AI Team
Author URI: https://neuraforge.ai
Description: Premium, production-quality, fully editable WordPress block theme for an AI automation agency. Features a secure server-side Google Gemini assistant.
Version: 1.0.0
Requires at least: 6.2
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: neuraforge-ai
Tags: block-theme, full-site-editing, custom-colors, custom-menu, portfolio, translation-ready, dark-mode, light-mode, red-mode, purple-mode
*/

/* ==========================================================================
   1. CSS RESET & VARIABLES (SUPPORTING DARK, LIGHT, RED, PURPLE SCHEMES)
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* DEFAULT DARK SCHEME (Slate & Emerald) */
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-hover: #334155;
    --color-border: #334155;
    --color-text: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-primary: #10b981;
    --color-primary-hover: #059669;
    --color-primary-rgb: 16, 185, 129;
    --color-accent: #06b6d4;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --focus-outline: 3px solid #10b981;
}

/* LIGHT SCHEME CLASS */
body.scheme-light {
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f5f9;
    --color-border: #cbd5e1;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-primary: #059669;
    --color-primary-hover: #047857;
    --color-primary-rgb: 5, 150, 105;
    --color-accent: #0891b2;
    --focus-outline: 3px solid #059669;
}

/* RED SCHEME CLASS */
body.scheme-red {
    --color-bg: #0f0505;
    --color-surface: #1f0d0d;
    --color-surface-hover: #2d1414;
    --color-border: #3d1b1b;
    --color-text: #fef2f2;
    --color-text-muted: #fca5a5;
    --color-primary: #ef4444;
    --color-primary-hover: #dc2626;
    --color-primary-rgb: 239, 68, 68;
    --color-accent: #f97316;
    --focus-outline: 3px solid #ef4444;
}

/* PURPLE SCHEME CLASS */
body.scheme-purple {
    --color-bg: #0b071e;
    --color-surface: #171038;
    --color-surface-hover: #241a54;
    --color-border: #312470;
    --color-text: #f5f3ff;
    --color-text-muted: #c084fc;
    --color-primary: #8b5cf6;
    --color-primary-hover: #7c3aed;
    --color-primary-rgb: 139, 92, 246;
    --color-accent: #d946ef;
    --focus-outline: 3px solid #8b5cf6;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Skip Link for Accessibility */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    z-index: 9999;
    text-decoration: none;
    font-weight: bold;
    transition: top 0.2s ease;
}

.skip-to-content:focus {
    top: 10px;
}

/* Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 3px;
}

/* ==========================================================================
   2. HEADER & FLUID MOBILE NAVIGATION (MANDATORY BLUEPRINT)
   ========================================================================== */
.site-header {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

body.scheme-light .site-header {
    background: rgba(248, 250, 252, 0.85);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Logo styling */
.site-logo-text a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Desktop Navigation Link Alignment */
.neuraforge-nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.neuraforge-nav-menu ul {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.neuraforge-nav-menu a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.neuraforge-nav-menu a:hover,
.neuraforge-nav-menu a:focus {
    color: var(--color-text);
}

.neuraforge-nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.neuraforge-nav-menu a:hover::after,
.neuraforge-nav-menu a:focus::after {
    width: 100%;
}

/* Hamburger Button */
.neuraforge-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1010;
    position: relative;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.hamburger-box {
    width: 24px;
    height: 18px;
    display: inline-block;
    position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: absolute;
    transition: transform 0.15s ease, background-color 0.15s ease;
    border-radius: 2px;
}

.hamburger-inner {
    top: 50%;
    transform: translateY(-50%);
}

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

.hamburger-inner::after {
    content: "";
    bottom: -8px;
}

/* Hamburger Active / Close State (X) */
.neuraforge-nav-toggle[aria-expanded="true"] .hamburger-inner {
    transform: rotate(45deg);
}

.neuraforge-nav-toggle[aria-expanded="true"] .hamburger-inner::before {
    top: 0;
    opacity: 0;
}

.neuraforge-nav-toggle[aria-expanded="true"] .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
}

/* Responsive Mobile Navigation Overlay */
@media (max-width: 991px) {
    .neuraforge-nav-toggle {
        display: flex;
    }

    .neuraforge-nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-surface);
        border-left: 1px solid var(--color-border);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 100px 40px 40px 40px;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1005;
        overflow-y: auto;
    }

    .neuraforge-nav-menu.is-active {
        right: 0;
    }

    .neuraforge-nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 20px;
    }

    .neuraforge-nav-menu li {
        width: 100%;
    }

    .neuraforge-nav-menu a {
        font-size: 1.25rem;
        display: block;
        width: 100%;
        padding: 10px 0;
    }

    .header-cta-buttons {
        margin-top: 30px;
        width: 100%;
    }

    .header-cta-btn,
    .header-cta-btn .wp-block-button__link {
        width: 100% !important;
        text-align: center;
    }
}

/* Prevent background scroll when mobile navigation is active */
body.nav-active {
    overflow: hidden;
}

/* ==========================================================================
   3. COLOR SCHEME CHANGER WIDGET (PREMIUM USER INTERACTION)
   ========================================================================== */
.scheme-selector {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 999;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 10px;
    border-radius: 30px;
    display: flex;
    gap: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.scheme-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.scheme-btn:hover,
.scheme-btn:focus-visible {
    transform: scale(1.15);
    border-color: var(--color-text);
}

.scheme-btn.btn-dark { background-color: #10b981; }
.scheme-btn.btn-light { background-color: #059669; border: 1px solid #cbd5e1; }
.scheme-btn.btn-red { background-color: #ef4444; }
.scheme-btn.btn-purple { background-color: #8b5cf6; }

/* ==========================================================================
   4. PREMIUM INTERACTIVE AI ASSISTANT PANEL
   ========================================================================== */
.neuraforge-assistant-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    max-width: 850px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    height: 600px;
}

.assistant-header {
    background: linear-gradient(135deg, var(--color-surface-hover), var(--color-bg));
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 15px;
}

.assistant-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

.assistant-header-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
}

.assistant-status {
    font-size: 0.8rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.assistant-status::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.assistant-messages {
    flex-grow: 1;
    padding: 25px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
    background: rgba(15, 23, 42, 0.15);
}

.assistant-message {
    max-width: 80%;
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
    animation: messageFadeIn 0.3s ease forwards;
}

@keyframes messageFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.assistant-message.bot {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--color-border);
}

.assistant-message.user {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.assistant-message.error-msg {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    align-self: center;
    width: 100%;
    text-align: center;
}

.assistant-typing-indicator {
    display: none;
    align-self: flex-start;
    background-color: var(--color-surface-hover);
    padding: 12px 18px;
    border-radius: 12px;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--color-border);
}

.assistant-typing-dots {
    display: flex;
    gap: 5px;
    align-items: center;
    height: 10px;
}

.assistant-typing-dots span {
    width: 6px;
    height: 6px;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.assistant-typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.assistant-typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.assistant-form {
    padding: 20px;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 12px;
}

.assistant-form input[type="text"] {
    flex-grow: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 14px 20px;
    border-radius: 30px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.assistant-form input[type="text"]:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.25);
}

.assistant-form button {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    border: none;
    color: #ffffff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.assistant-form button:hover,
.assistant-form button:focus {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.4);
}

/* ==========================================================================
   5. COMPREHENSIVE RESPONSIVE LAYOUT AUDIT & ACCESSIBILITY FIXES
   ========================================================================== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Ensure all columns stack nicely on mobile viewports */
@media (max-width: 768px) {
    .wp-block-columns {
        flex-direction: column !important;
    }
    
    .wp-block-column {
        flex-basis: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 20px;
    }

    .about-story-section {
        flex-direction: column !important;
    }

    .about-story-section > div {
        flex-basis: 100% !important;
        margin-bottom: 30px;
    }
}

/* Footer layout */
.site-footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 60px 20px 30px;
    color: var(--color-text-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col h4 {
    color: var(--color-text);
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover,
.footer-col a:focus {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    margin-top: 50px;
    text-align: center;
    font-size: 0.9rem;
}