/* Base Styles */
:root {
    --primary-color: #4361ee;
    --primary-dark: #3a0ca3;
    --secondary-color: #4cc9f0;
    --accent-color: #f72585;
    --text-color: #2b2d42;
    --text-light: #8d99ae;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    
    /* Dark Theme */
    --dark-primary: #4361ee;
    --dark-secondary: #4cc9f0;
    --dark-text: #f8f9fa;
    --dark-text-light: #adb5bd;
    --dark-bg: #121212;
    --dark-card: #1e1e1e;
    --dark-border: #333333;
    --dark-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: all 0.3s ease;
}

body.dark-mode {
    color: var(--dark-text);
    background-color: var(--dark-bg);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

.dark-mode .header {
    background-color: var(--dark-card);
    box-shadow: var(--dark-shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-color);
}

.logo-text span {
    color: var(--primary-color);
}

.dark-mode .logo-text {
    color: var(--dark-text);
}

.nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dark-mode .nav a {
    color: var(--dark-text-light);
}

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

.theme-switch {
    display: flex;
    align-items: center;
    gap: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

#theme-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.dark-mode #theme-label {
    color: var(--dark-text-light);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Brand Title */
.brand-title {
    text-align: center;
    margin-bottom: 20px;
}

.title-main {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 2.8rem;
    color: var(--text-color);
}

.dark-mode .title-main {
    color: var(--dark-text);
}

.title-accent {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 2.8rem;
    color: var(--primary-color);
    position: relative;
}

.title-accent::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(67, 97, 238, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-top: 10px;
}

.dark-mode .tagline {
    color: var(--dark-text-light);
}

/* Tools Section */
.tools-section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.section-header h2 span {
    color: var(--primary-color);
}

.section-header p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.dark-mode .section-header p {
    color: var(--dark-text-light);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.tool-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(20px);
}

.dark-mode .tool-card {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
    box-shadow: var(--dark-shadow);
}

.tools-grid.loaded .tool-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.dark-mode .tool-card:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.tool-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.tool-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    text-align: center;
}

.tool-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.dark-mode .tool-card p {
    color: var(--dark-text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    gap: 8px;
}

.tool-btn {
    background-color: var(--bg-light);
    color: var(--primary-color);
    width: 100%;
}

.dark-mode .tool-btn {
    background-color: #252525;
}

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

/* Why Choose Us */
.why-choose-us {
    padding: 80px 0;
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.dark-mode .why-choose-us {
    background-color: #1a1a1a;
    border-top-color: var(--dark-border);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.benefit-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid var(--border-color);
}

.dark-mode .benefit-card {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
    box-shadow: var(--dark-shadow);
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    background-color: var(--primary-color);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.benefit-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.dark-mode .benefit-card p {
    color: var(--dark-text-light);
}

/* Footer */
.footer {
    background-color: var(--text-color);
    color: white;
    padding-top: 60px;
}

.dark-mode .footer {
    background-color: #0a0a0a;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-col p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a,
.footer-col ul li {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul li a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Animations */
.tools-grid.loaded .tool-card:nth-child(1) { transition-delay: 0.1s; }
.tools-grid.loaded .tool-card:nth-child(2) { transition-delay: 0.2s; }
.tools-grid.loaded .tool-card:nth-child(3) { transition-delay: 0.3s; }
.tools-grid.loaded .tool-card:nth-child(4) { transition-delay: 0.4s; }
.tools-grid.loaded .tool-card:nth-child(5) { transition-delay: 0.5s; }
.tools-grid.loaded .tool-card:nth-child(6) { transition-delay: 0.6s; }
.tools-grid.loaded .tool-card:nth-child(7) { transition-delay: 0.7s; }
.tools-grid.loaded .tool-card:nth-child(8) { transition-delay: 0.8s; }
.tools-grid.loaded .tool-card:nth-child(9) { transition-delay: 0.9s; }
.tools-grid.loaded .tool-card:nth-child(10) { transition-delay: 1s; }

/* Responsive */
@media (max-width: 992px) {
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background-color: var(--bg-color);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        transition: all 0.3s ease;
        box-shadow: var(--shadow);
        z-index: 999;
    }
    
    .dark-mode .nav {
        background-color: var(--dark-card);
        box-shadow: var(--dark-shadow);
    }
    
    .nav.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .brand-title {
        font-size: 2.2rem;
    }
    
    .title-main,
    .title-accent {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .brand-title {
        font-size: 2rem;
    }
    
    .title-main,
    .title-accent {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-title {
        font-size: 1.8rem;
    }
    
    .title-main,
    .title-accent {
        font-size: 1.8rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
}