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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation - Applying Laws of UX */
.navbar {
    background: #ffffff;
    padding: 20px 0;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 24px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: color 0.15s ease;
    padding: 8px 12px;
    border-radius: 6px;
}

.nav-links a:hover {
    color: #1e293b;
    background: #f8fafc;
}

.nav-actions .btn {
    padding: 10px 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.btn-primary {
    background: #1e293b;
    color: white;
    border: none;
    font-weight: 600;
    transition: all 0.15s ease;
    box-shadow: 0 2px 4px rgba(30, 41, 59, 0.1);
}

.btn-primary:hover {
    background: #0f172a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.3);
}

.btn-outline {
    background: transparent;
    color: #1e293b;
    border: 1px solid #e2e8f0;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-outline:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f8fafc;
    color: #64748b;
    border: 1px solid #e2e8f0;
    font-weight: 500;
}

.btn-secondary:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    min-height: 48px;
    min-width: 140px;
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 8px 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #64748b;
}

.badge-icon {
    font-size: 16px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 20px;
    color: #64748b;
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 400;
}

.hero-subtitle strong {
    color: #1e293b;
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 16px;
}

.trust-stars {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stars {
    color: #fbbf24;
    font-size: 16px;
}

.rating {
    font-weight: 600;
    color: #1e293b;
}

.trust-text {
    font-size: 14px;
    color: #64748b;
}

/* Demo Container */
.demo-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.demo-container:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(2deg);
}

.demo-header {
    background: #f8fafc;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.demo-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.demo-title {
    font-weight: 500;
    color: #64748b;
    font-size: 14px;
}

.demo-content {
    padding: 24px;
}

.demo-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.demo-stat {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.demo-stat .stat-label {
    font-size: 12px;
    color: #64748b;
    font-weight: 500;
    margin-bottom: 4px;
}

.demo-stat .stat-value {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
}

.demo-deals {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.deal-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.deal-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.deal-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.brand-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-name {
    font-weight: 600;
    color: #1e293b;
    font-size: 14px;
}

.brand-domain {
    font-size: 12px;
    color: #64748b;
}

.deal-amount {
    font-weight: 600;
    color: #059669;
    font-size: 14px;
}

.deal-status {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.deal-status.new {
    background: #dbeafe;
    color: #1d4ed8;
}

.deal-status.accepted {
    background: #d1fae5;
    color: #059669;
}

.deal-status.review {
    background: #fef3c7;
    color: #d97706;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #0f172a;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 20px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e1;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: block;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
    font-size: 16px;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
}

.about-text p {
    font-size: 16px;
    color: #6c757d;
    margin-bottom: 24px;
    line-height: 1.6;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.check {
    font-size: 16px;
}

.visual-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.visual-header {
    margin-bottom: 20px;
}

.visual-title {
    font-size: 18px;
    font-weight: 600;
}

.visual-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.security-icon {
    font-size: 20px;
}

/* Login Section */
.login {
    padding: 80px 0;
    background: white;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    max-width: 1000px;
    margin: 0 auto;
}

.login-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 16px;
}

.login-form h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-form p {
    color: #6c757d;
    margin-bottom: 32px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: #2c3e50;
}

.form-group input {
    padding: 12px 16px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #ff6b6b;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-footer {
    text-align: center;
    margin-top: 24px;
}

.forgot-password {
    color: #ff6b6b;
    text-decoration: none;
    font-size: 14px;
}

.form-footer p {
    margin-top: 16px;
    color: #6c757d;
}

.form-footer a {
    color: #ff6b6b;
    text-decoration: none;
}

.login-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 32px;
}

.info-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-number {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #ff6b6b, #ffa500);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h4 {
    font-weight: 600;
    margin-bottom: 4px;
}

.step-content p {
    color: #6c757d;
    font-size: 14px;
}

/* Subscriptions Section */
.subscriptions {
    padding: 100px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 40px 32px;
    border: 1px solid #e2e8f0;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e1;
}

.pricing-card.featured {
    border-color: #1e293b;
    box-shadow: 0 20px 60px rgba(30, 41, 59, 0.15);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1e293b;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.currency {
    font-size: 20px;
    color: #64748b;
}

.amount {
    font-size: 48px;
    font-weight: 700;
    color: #1e293b;
}

.period {
    font-size: 16px;
    color: #64748b;
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features .feature {
    padding: 12px 0;
    font-size: 14px;
    color: #64748b;
    border-bottom: 1px solid #f1f5f9;
}

.pricing-features .feature:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 32px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: #adb5bd;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 32px;
}

.link-group h4 {
    font-weight: 600;
    margin-bottom: 16px;
}

.link-group a {
    display: block;
    color: #adb5bd;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

.link-group a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #495057;
    padding-top: 32px;
    text-align: center;
    color: #adb5bd;
}

/* Login Page Styles */
.login-section {
    padding: 120px 0 80px;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.login-container {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.login-header {
    margin-bottom: 40px;
}

.login-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 8px;
}

.login-header p {
    color: #64748b;
    font-size: 16px;
}

.login-form-container {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.google-login-section {
    text-align: center;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
}

.social-icon {
    font-size: 20px;
}

.login-info {
    margin-top: 24px;
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
}

.login-info p {
    margin-bottom: 8px;
}

.privacy-note {
    font-size: 12px;
    color: #9ca3af;
    font-style: italic;
}

.nav-link.active {
    color: #1e293b;
    font-weight: 600;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.user-menu:hover {
    background: #f1f5f9;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-avatar-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 500;
    color: #374151;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile Navigation - Law of Proximity */
    .navbar .container {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav-links {
        gap: 24px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .login-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}
