:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
}

body {
    font-family: 'Inter', sans-serif;
    color: #1e293b;
    line-height: 1.6;
}

/* Navigation Styles */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Hero Section Styles */
.hero-section {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.1;
}


.hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* URL Shortener Form Styles */
.url-shortener-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 2rem;
}

.url-shortener-form .form-control {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.url-shortener-form .form-control:focus {
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.url-shortener-form .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0.75rem;
    background: #ffffff;
    color: var(--primary-color);
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.url-shortener-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    background: #ffffff;
    color: var(--primary-hover);
}

/* Feature Card Styles */
.feature-card {
    border: none;
    border-radius: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    background: #ffffff;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
}

/* Stats Section Styles */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.stats-section .display-4 {
    color: #2d3436;
}

.stats-section .lead {
    color: #636e72;
}

.stat-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1.1rem;
    color: #636e72;
    font-weight: 500;
}

/* CTA Section Styles */
.cta-section {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: white;
    padding: 8rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.1;
}

.cta-section .btn {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 1rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.cta-section .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* Footer Styles */
.footer {
    background-color: #1e293b;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

/* Why Join Us Section Styles */
.why-join-section {
    background: white;
    position: relative;
    overflow: hidden;
}

.why-join-section .display-4 {
    color: #2d3436;
}

.why-join-section .lead {
    color: #636e72;
}

.why-join-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f1f2f6' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: 0;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    height: 100%;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.benefit-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2d3436;
    margin-bottom: 15px;
}

.benefit-text {
    color: #636e72;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* FAQ Section Styles */
.faq-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f1f2f6' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: 0;
}

.accordion-item {
    border: none;
    margin-bottom: 1rem;
    background: transparent;
}

.accordion-button {
    background: white;
    border-radius: 10px !important;
    font-weight: 600;
    color: #2d3436;
    padding: 1.25rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.accordion-button::after {
    background-size: 1.2rem;
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1);
}

.accordion-body {
    background: white;
    border-radius: 0 0 10px 10px;
    padding: 1.5rem;
    color: #636e72;
    line-height: 1.6;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.accordion-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Pricing Section Styles */
.pricing-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.pricing-section .display-4 {
    color: #2d3436;
}

.pricing-section .lead {
    color: #636e72;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3436;
    margin-bottom: 1rem;
}

.pricing-price {
    margin-bottom: 1.5rem;
}

.pricing-price .price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.pricing-price .period {
    font-size: 1.2rem;
    color: #636e72;
    margin-left: 0.5rem;
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features ul li {
    padding: 0.75rem 0;
    color: #2d3436;
    font-size: 1.1rem;
}

.pricing-features ul li i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.pricing-footer .btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
    transition: all 0.3s ease;
}

.pricing-footer .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(79, 70, 229, 0.3);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 4rem 0;
    }
}

/* Content Section Styles */
.content-section {
    padding: 4rem 0;
}

/* Form Styles */
.form-control {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

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

/* Card Styles */
.card {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
}

/* Password Strength Indicator */
.password-strength {
    height: 5px;
    margin-top: 5px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.password-strength.weak { background-color: #dc3545; width: 30%; }
.password-strength.medium { background-color: #ffc107; width: 60%; }
.password-strength.strong { background-color: #198754; width: 100%; }