:root {
    --primary: #4B49EB;
    --primary-glow: #7a78ff;
    --secondary: #00D1FF;
    --accent: #F428FF;
    --dark: #0A0B10;
    --deep-dark: #050609;
    --light: #F0F2F5;
    --grey: #8A8F98;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #00DB8B;
    --warning: #FFBF00;
    --error: #FF4E4E;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* Offset for fixed nav */
}

body {
    background-color: var(--deep-dark);
    color: var(--light);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px; /* Base padding for fixed nav */
}

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

/* Background Animated Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: move 15s infinite alternate;
}

.blob-1 { background: var(--primary); top: 10%; left: 10%; }
.blob-2 { background: var(--secondary); bottom: 10%; right: 10%; animation-delay: -5s; }
.blob-3 { background: var(--accent); top: 50%; left: 40%; animation-delay: -10s; }

@keyframes move {
    0% { transform: translate(0, 0) scale(1.0); }
    100% { transform: translate(50px, 50px) scale(1.2); }
}

/* Glassmorphism utility */
.glass {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, background 0.3s ease;
}

.glass:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(10, 11, 16, 0.7);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    gap: 10px;
}

.logo i {
    color: var(--secondary);
    text-shadow: 0 0 10px var(--secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0.8;
    position: relative;
    padding: 10px 0;
}

.nav-links a:hover {
    color: var(--secondary);
    opacity: 1;
}

.nav-links a.active {
    color: var(--secondary);
    font-weight: 700;
    opacity: 1;
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 20%;
    width: 60%;
    height: 3px;
    background: var(--secondary);
    box-shadow: 0 0 15px var(--secondary);
    border-radius: 10px;
}

.nav-btn {
    display: inline-block;
    padding: 12px 28px !important;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    background: var(--primary);
    color: white !important;
    text-decoration: none !important;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 15px rgba(75, 73, 235, 0.3);
    line-height: 1;
}

.nav-btn:hover {
    background: var(--primary-glow);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(75, 73, 235, 0.5);
    color: #FFFFFF !important;
}

/* Hero & Header Spacing */
header {
    padding: 140px 0 80px;
    text-align: center;
}

.inner-header {
    padding: 80px 0 40px;
}

h1 {
    font-family: var(--font-heading);
    font-size: 72px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 18px;
    color: var(--grey);
    max-width: 800px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.hero-search {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 10px;
    border-radius: 50px;
    display: flex;
    max-width: 600px;
    margin: 0 auto 30px;
    box-shadow: 0 0 30px rgba(75, 73, 235, 0.1);
}

.hero-search input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px 20px;
    color: var(--light);
    font-size: 16px;
    outline: none;
}

.hero-search input::placeholder {
    color: var(--grey);
}

.btn {
    padding: 12px 30px;
    border-radius: 40px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main);
}

.btn-primary {
    background: linear-gradient(135deg, #3D3AF9 0%, #00D1FF 100%);
    color: #FFFFFF !important;
    box-shadow: 0 4px 15px rgba(61, 58, 249, 0.3);
    border: 1px solid rgba(255,255,255,0.1);
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(0, 209, 255, 0.4);
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-glow {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(75, 73, 235, 0.4);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(75, 73, 235, 0.6);
}

.badge {
    background: var(--glass);
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 12px;
    color: var(--grey);
    margin: 0 5px;
}

/* Toolbox Grid */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.tool-container {
    margin-bottom: 60px;
}

.toolbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.tool-item {
    padding: 30px;
    text-align: left;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%;
}

.tool-item i {
    font-size: 32px;
    color: var(--secondary);
    margin-bottom: 20px;
    display: block;
}

.tool-item h4 {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 10px;
}

.tool-item p {
    font-size: 15px;
    margin: 0;
    color: var(--grey);
}

.tool-item:hover {
    transform: translateY(-8px);
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.08);
}

.tool-link {
    margin-top: 20px;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.tool-link:hover {
    gap: 12px;
    color: var(--light);
}

/* Page Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* Contact Form */
.contact-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--grey);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--light);
    font-family: inherit;
    font-size: 16px;
    outline: none;
    transition: all 0.3s;
}

.form-group select option {
    background-color: var(--dark);
    color: var(--light);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.08);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

@media (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
    .contact-section { padding: 30px; }
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.result-card {
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.card-icon {
    font-size: 24px;
    color: var(--secondary);
    margin-bottom: 15px;
}

.card-content {
    font-size: 14px;
}

.card-content p {
    margin: 0 0 10px;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
}

.status-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.status-valid { background: rgba(0, 219, 139, 0.2); color: var(--success); }
.status-warning { background: rgba(255, 191, 0, 0.2); color: var(--warning); }
.status-error { background: rgba(255, 78, 78, 0.2); color: var(--error); }

.detail-row {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--glass-border);
}

.detail-row span {
    color: var(--light);
    display: block;
    word-break: break-all;
    margin-top: 5px;
}

.action-bar {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-secondary { background: var(--glass); color: white; border: 1px solid var(--glass-border); }
.btn-outline { 
    background: rgba(255,255,255,0.03); 
    color: var(--light); 
    border: 1px solid var(--glass-border); 
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    background: rgba(0, 209, 255, 0.1);
    border-color: var(--secondary);
    color: #FFFFFF;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 209, 255, 0.2);
}

/* Multi-Column Footer (Seobility Style) */
footer {
    padding: 80px 0 40px;
    margin-top: 100px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--grey);
    margin-bottom: 25px;
    font-weight: 800;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    text-decoration: none;
    color: var(--light);
    font-size: 14px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    opacity: 1;
    color: var(--secondary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--grey);
    font-size: 13px;
}

/* Animations */
.animate-up { opacity: 0; transform: translateY(30px); animation: fadeInUp 0.8s forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

@media (max-width: 768px) {
    h1 { font-size: 40px; }
    .hero-search { flex-direction: column; border-radius: 20px; }
    .hero-search button { margin-top: 10px; width: 100%; }
    .nav-links { display: none; }
}