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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    color: #fff;
    margin-bottom: 20px;
    font-weight: 700;
}

h1 { font-size: 2.8em; line-height: 1.2; }
h2 { font-size: 2.2em; border-left: 5px solid #00d4ff; padding-left: 15px; margin-top: 50px; }
h3 { font-size: 1.5em; color: #00d4ff; margin-top: 30px; }
p { margin-bottom: 20px; color: #b0b0b0; }

.highlight { color: #00d4ff; }

/* Header & Navigation */
header {
    background: rgba(10, 10, 10, 0.95);
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid #333;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 1.4em;
    font-weight: 800;
    color: #00d4ff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 500;
    transition: 0.3s;
}

nav a:hover {
    color: #00d4ff;
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.1), transparent 50%),
                radial-gradient(circle at bottom left, rgba(0, 212, 255, 0.05), transparent 50%);
    text-align: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    margin-top: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
}

/* Ad Sections */
.ad-container {
    margin: 40px auto;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
}

/* Tool Styling */
.tool-section {
    background: #111;
    border: 1px solid #333;
    border-radius: 20px;
    padding: 40px;
    margin: 60px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.tool-header { text-align: center; margin-bottom: 30px; }
.tool-header h2 { border: none; padding: 0; margin: 0; }

.progress-bar {
    width: 100%;
    height: 8px;
    background: #222;
    border-radius: 4px;
    margin-bottom: 30px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #00d4ff;
    width: 0%;
    transition: 0.5s;
}

.question-group { display: none; }
.question-group.active { display: block; animation: fadeIn 0.5s; }

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

.q-num { color: #00d4ff; font-size: 0.85em; font-weight: bold; margin-bottom: 10px; }
.q-text { font-size: 1.3em; margin-bottom: 20px; }

input[type="text"], input[type="email"], input[type="tel"], select, textarea {
    width: 100%;
    padding: 15px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    color: #fff;
    font-size: 1em;
    margin-bottom: 20px;
}

input:focus, select:focus {
    outline: none;
    border-color: #00d4ff;
    background: #222;
}

.radio-group { display: flex; flex-direction: column; gap: 12px; }
.option-card {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: 0.3s;
}

.option-card:hover { border-color: #00d4ff; background: #222; }
.option-card input { width: 18px; height: 18px; accent-color: #00d4ff; }

.btn-group { display: flex; gap: 15px; margin-top: 20px; }
.btn {
    padding: 15px 30px;
    border-radius: 8px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
    flex: 1;
}

.btn-primary { background: #00d4ff; color: #000; }
.btn-primary:hover { background: #00b8e6; transform: translateY(-2px); }
.btn-secondary { background: #222; color: #fff; border: 1px solid #333; }
.btn-secondary:hover { background: #333; }

/* Loading & Results */
.loading { display: none; text-align: center; padding: 40px 0; }
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #222;
    border-top: 5px solid #00d4ff;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

.results { display: none; }
.method-card {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 15px;
}
.method-card h4 { color: #00d4ff; margin-bottom: 10px; }
.method-card ul { list-style: none; padding-left: 0; }
.method-card li { margin-bottom: 8px; font-size: 0.9em; position: relative; padding-left: 20px; }
.method-card li::before { content: '→'; position: absolute; left: 0; color: #00d4ff; }

/* Content Sections */
section { padding: 60px 0; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: #111;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #222;
    transition: 0.3s;
}

.feature-card:hover { border-color: #00d4ff; transform: translateY(-5px); }
.feature-icon { font-size: 2.5em; margin-bottom: 15px; display: block; }

/* Table */
.table-container { overflow-x: auto; margin: 30px 0; }
table {
    width: 100%;
    border-collapse: collapse;
    background: #111;
    border-radius: 10px;
    overflow: hidden;
}
th, td { padding: 15px; text-align: left; border-bottom: 1px solid #222; }
th { background: #00d4ff; color: #000; }
tr:hover { background: #1a1a1a; }

/* FAQ */
.faq-item {
    background: #111;
    border: 1px solid #222;
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}
.faq-q {
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.3s;
}
.faq-q:hover { background: #1a1a1a; color: #00d4ff; }
.faq-a {
    padding: 0 20px 20px;
    color: #b0b0b0;
    display: none;
    border-top: 1px solid #222;
    padding-top: 20px;
}
.faq-item.active .faq-a { display: block; }

/* Footer */
footer {
    background: #050505;
    padding: 60px 0 30px;
    border-top: 1px solid #222;
    margin-top: 80px;
}

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

.footer-logo { font-size: 1.5em; font-weight: 800; color: #00d4ff; margin-bottom: 20px; display: block; }
.footer-links h4 { margin-bottom: 20px; font-size: 1.1em; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #888; text-decoration: none; transition: 0.3s; }
.footer-links a:hover { color: #00d4ff; }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #222;
    color: #555;
    font-size: 0.9em;
}

/* Legal Sections */
.legal-box {
    background: #0d0d0d;
    padding: 40px;
    border-radius: 15px;
    border: 1px solid #222;
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2em; }
    h2 { font-size: 1.6em; }
    nav { display: none; }
    .hero { padding: 120px 0 60px; }
    .tool-section { padding: 20px; }
    .btn-group { flex-direction: column; }
}