/* SWTools - Main Stylesheet */
/* AdSense-Friendly Design - Clean, Professional, Fast-Loading */

:root {
    --primary-color: #2563eb;
    --secondary-color: #0ea5e9;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #1e293b;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
}

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

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo a {
    text-decoration: none;
    color: var(--text-dark);
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.logo .tagline {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

/* Navigation */
.main-nav {
    display: flex;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

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

.nav-menu > li > a {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-menu > li > a:hover {
    color: var(--primary-color);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 100;
}

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

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-dark);
    transition: background 0.2s;
}

.dropdown-menu li a:hover {
    background: var(--light-bg);
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 400px);
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* Search Box */
.search-box {
    max-width: 600px;
    margin: 2rem auto;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    outline: none;
    transition: border-color 0.3s;
}

.search-box input:focus {
    border-color: var(--primary-color);
}

/* Tool Categories */
.tool-categories {
    margin: 3rem 0;
}

.category-section {
    margin-bottom: 3rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.category-header h2 {
    font-size: 1.75rem;
    color: var(--text-dark);
}

.category-icon {
    font-size: 1.5rem;
}

/* Tool Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

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

.tool-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

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

/* Calculator/Tool Interface */
.tool-interface {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

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

.tool-header h1 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.tool-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #0284c7;
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

.btn-block {
    width: 100%;
}

/* Results Box */
.results-box {
    background: var(--light-bg);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin: 2rem 0;
}

.results-box h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 500;
    color: var(--text-dark);
}

.result-value {
    font-weight: 600;
    color: var(--primary-color);
}

/* Content Sections */
.content-section {
    margin: 3rem 0;
    line-height: 1.8;
}

.content-section h2 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.content-section h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.content-section p {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.content-section ul,
.content-section ol {
    margin: 1rem 0 1rem 2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* Ad Containers */
.ad-container {
    text-align: center;
    margin: 2rem auto;
    padding: 1rem;
    max-width: 100%;
}

.ad-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.ad-placeholder {
    background: var(--light-bg);
    border: 2px dashed var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-light);
    margin: 2rem auto;
}

/* Sidebar Layout */
.content-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}

.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

/* Footer */
.site-footer {
    background: var(--dark-bg);
    color: #fff;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #fff;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #fff;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden {
    display: none;
}