/* =========================================
   Global Variables & Reset
   ========================================= */
:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    /* Neon Colors */
    --neon-blue: #38bdf8;
    --neon-purple: #c084fc;
    --neon-pink: #f472b6;
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* =========================================
   Background Orbs (Neon Aesthetics)
   ========================================= */
.background-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 10s infinite alternate ease-in-out;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: var(--neon-purple);
}

.orb-2 {
    bottom: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: var(--neon-blue);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* =========================================
   Navigation Bar (Glassmorphism)
   ========================================= */
.glass-nav {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 1px;
}

.neon-text {
    color: var(--neon-blue);
    text-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: var(--transition-speed);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--neon-blue);
    text-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

/* Dropdown Menu Styles */
.dropdown {
    display: inline-block;
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgba(15, 23, 42, 0.95);
    min-width: 200px;
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    z-index: 1000;
    top: 100%;
    right: 0;
    backdrop-filter: blur(12px);
    overflow: hidden;
    padding: 0.5rem 0;
}

.dropdown-content a {
    color: var(--text-primary);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    margin: 0;
    transition: background-color var(--transition-speed);
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--neon-blue);
    text-shadow: none;
}

.dropdown-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.text-small {
    font-size: 0.8rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   Main Layout
   ========================================= */
.main-container {
    flex: 1;
    max-width: 1200px;
    margin: 100px auto 40px; /* offset for fixed header */
    padding: 0 2rem;
    width: 100%;
}

/* =========================================
   Reusable Glass Card
   ========================================= */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
}

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

.tool-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tool-header p {
    color: var(--text-secondary);
}

/* =========================================
   Password Generator Styles
   ========================================= */
.password-display-container {
    position: relative;
    margin-bottom: 2rem;
}

.password-display {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: var(--neon-blue);
    font-size: 2rem;
    padding: 1.2rem;
    border-radius: 12px;
    text-align: center;
    letter-spacing: 3px;
    word-break: break-all;
    font-family: monospace;
}

.copy-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--neon-purple);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-speed);
    box-shadow: 0 0 10px rgba(192, 132, 252, 0.4);
}

.copy-btn:hover {
    background: #d8b4fe;
    box-shadow: 0 0 15px rgba(192, 132, 252, 0.7);
}

/* Controls */
.controls-group {
    margin-bottom: 1.5rem;
}

.slider-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

/* Range Slider Styling */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
    margin-bottom: 2rem;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: var(--neon-blue);
    cursor: pointer;
    margin-top: -8px;
    box-shadow: 0 0 10px var(--neon-blue);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    cursor: pointer;
    background: #334155;
    border-radius: 5px;
}

/* Toggles */
.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.toggle-row:last-child {
    border-bottom: none;
}

/* Custom Checkbox (Switch) */
.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: #334155;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--neon-blue);
    box-shadow: 0 0 8px var(--neon-blue);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 1.2rem;
    margin-top: 1rem;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(192, 132, 252, 0.4);
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(192, 132, 252, 0.6);
}

/* =========================================
   SEO Content Section
   ========================================= */
.seo-content {
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(30, 41, 59, 0.4);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.02);
}

.seo-content h2 {
    color: var(--neon-purple);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.seo-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    margin-top: 1.2rem;
}

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

.seo-content ul {
    margin-left: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

/* =========================================
   Home Page Grid
   ========================================= */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tool-card {
    display: block;
    text-decoration: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition-speed);
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.2);
}

.tool-icon {
    font-size: 3rem;
    color: var(--neon-blue);
    margin-bottom: 1rem;
}

.tool-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.tool-card p {
    color: var(--text-secondary);
}

/* =========================================
   Footer
   ========================================= */
.glass-footer {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

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

.footer-left span {
    color: var(--neon-blue);
}

.footer-left p {
    color: var(--text-secondary);
}

.footer-links h4, .footer-legal h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links a, .footer-legal a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition-speed);
}

.footer-links a:hover, .footer-legal a:hover {
    color: var(--neon-purple);
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
}

/* =========================================
   Calculator Styles
   ========================================= */
.calculator-container {
    max-width: 800px;
    margin: 0 auto;
}

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    color: var(--neon-blue);
    font-size: 1.1rem;
}

.input-with-icon input {
    width: 100%;
    padding: 1rem 1rem 1rem 2.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1.1rem;
    outline: none;
    transition: var(--transition-speed);
}

.input-with-icon input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.calculator-results {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.result-card {
    text-align: center;
    margin-bottom: 2rem;
}

.result-card h4 {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
}

.neon-blue-text {
    color: var(--neon-blue);
    text-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.neon-pink-text {
    color: var(--neon-pink);
    text-shadow: 0 0 10px rgba(244, 114, 182, 0.4);
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.detail-row span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

.detail-row.total {
    border-bottom: none;
    margin-top: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* =========================================
   Contact Page Styles
   ========================================= */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    resize: vertical;
    transition: var(--transition-speed);
}

.contact-form textarea:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.contact-alert {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.contact-alert.success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #4ade80;
}

.contact-alert.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.contact-info {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
    .main-container {
        padding: 0 1rem;
    }
    .glass-card {
        padding: 1.5rem;
    }
    .tool-header h1 {
        font-size: 2rem;
    }
    .calculator-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .result-value {
        font-size: 2rem;
    }
}