/* ============================================
   TOOLVEXA - Main Stylesheet
   Orange & Red Theme with Dark/Light Mode
   ============================================ */

:root {
    /* Light Mode Colors */
    --primary-orange: #FF6B35;
    --primary-red: #E63946;
    --secondary-orange: #FF8C42;
    --secondary-red: #D62828;
    --accent-orange: #FFA07A;
    --accent-red: #F77F7F;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #E9ECEF;
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    --border-color: #DEE2E6;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(255, 107, 53, 0.2);
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-primary: #1A1A1A;
    --bg-secondary: #2D2D2D;
    --bg-tertiary: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #707070;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(255, 107, 53, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    background: var(--bg-primary);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-orange);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-red));
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    box-shadow: 0 5px 20px var(--shadow);
    border-radius: 8px;
    list-style: none;
    min-width: 200px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--bg-secondary);
    color: var(--primary-orange);
    padding-left: 2rem;
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.theme-toggle:hover {
    background: var(--primary-orange);
    border-color: var(--primary-orange);
    transform: rotate(15deg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-red));
    color: white;
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-orange);
}

.hero-features {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.4s ease;
}

.feature-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ============================================
   TOOL CATEGORIES
   ============================================ */

.tool-categories {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.tool-categories h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-hover);
    border-color: var(--primary-orange);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.category-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.category-link {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.category-link:hover {
    color: var(--primary-red);
    transform: translateX(5px);
}

/* ============================================
   POPULAR TOOLS
   ============================================ */

.popular-tools {
    padding: 5rem 0;
}

.popular-tools h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    display: block;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-hover);
    border-color: var(--primary-orange);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tool-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   SEO CONTENT
   ============================================ */

.seo-content {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.seo-content h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.content-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-orange);
    transition: all 0.3s ease;
}

.content-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px var(--shadow);
}

.content-card h3 {
    color: var(--primary-orange);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.content-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
    padding: 5rem 0;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 2px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-orange);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-orange);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   BLOG PREVIEW
   ============================================ */

.blog-preview {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.blog-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--bg-primary);
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-hover);
    border-color: var(--primary-orange);
}

.blog-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-red));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.blog-content {
    padding: 2rem;
}

.blog-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.blog-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.blog-link {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.blog-link:hover {
    color: var(--primary-red);
    transform: translateX(5px);
}

.blog-cta {
    text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-tertiary);
    padding: 4rem 0 2rem;
    color: var(--text-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-column h3 {
    color: var(--primary-orange);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-column p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--primary-orange);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    font-size: 1.5rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2) rotate(5deg);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
    color: var(--text-secondary);
}

/* ============================================
   TOOL PAGE STYLES
   ============================================ */

.tool-page {
    padding: 2rem 0;
    min-height: 80vh;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.tool-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tool-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.tool-container {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 2rem;
    border: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.tool-input-group {
    margin-bottom: 1.5rem;
}

.tool-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.tool-input-group input,
.tool-input-group textarea,
.tool-input-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.tool-input-group input:focus,
.tool-input-group textarea:focus,
.tool-input-group select:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.tool-button {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-red));
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 1rem;
    margin-bottom: 1rem;
}

.tool-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow-hover);
}

.tool-button:active {
    transform: translateY(0);
}

.tool-result {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    border-left: 4px solid var(--primary-orange);
    display: none;
}

.tool-result.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .categories-grid,
    .tools-grid,
    .content-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .tool-categories,
    .popular-tools,
    .seo-content,
    .faq-section,
    .blog-preview {
        padding: 3rem 0;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.hidden {
    display: none;
}

.show {
    display: block;
}