/* Nexora - Professional Design */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #034230 0%, #022c22 50%, #011a15 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    backdrop-filter: blur(20px);
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at center, #034230 0%, #022c22 50%, #011a15 100%);
    backdrop-filter: blur(30px);
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(52, 211, 153, 0.6);
    box-shadow: 0 0 15px rgba(52, 211, 153, 0.8);
    animation: float 20s infinite linear;
}

.particle:nth-child(1) {
    width: 4px;
    height: 4px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.particle:nth-child(2) {
    width: 6px;
    height: 6px;
    left: 20%;
    animation-delay: 2s;
    animation-duration: 30s;
}

.particle:nth-child(3) {
    width: 3px;
    height: 3px;
    left: 30%;
    animation-delay: 4s;
    animation-duration: 20s;
}

.particle:nth-child(4) {
    width: 5px;
    height: 5px;
    left: 40%;
    animation-delay: 6s;
    animation-duration: 35s;
}

.particle:nth-child(5) {
    width: 4px;
    height: 4px;
    left: 50%;
    animation-delay: 8s;
    animation-duration: 28s;
}

.particle:nth-child(6) {
    width: 7px;
    height: 7px;
    left: 60%;
    animation-delay: 10s;
    animation-duration: 22s;
}

.particle:nth-child(7) {
    width: 3px;
    height: 3px;
    left: 70%;
    animation-delay: 12s;
    animation-duration: 32s;
}

.particle:nth-child(8) {
    width: 5px;
    height: 5px;
    left: 80%;
    animation-delay: 14s;
    animation-duration: 26s;
}

.particle:nth-child(9) {
    width: 4px;
    height: 4px;
    left: 90%;
    animation-delay: 16s;
    animation-duration: 24s;
}

.particle:nth-child(11) {
    width: 5px;
    height: 5px;
    left: 25%;
    animation-delay: 20s;
    animation-duration: 27s;
}

.particle:nth-child(12) {
    width: 3px;
    height: 3px;
    left: 35%;
    animation-delay: 22s;
    animation-duration: 31s;
}

.particle:nth-child(13) {
    width: 6px;
    height: 6px;
    left: 45%;
    animation-delay: 24s;
    animation-duration: 23s;
}

.particle:nth-child(14) {
    width: 4px;
    height: 4px;
    left: 65%;
    animation-delay: 26s;
    animation-duration: 33s;
}

.particle:nth-child(15) {
    width: 7px;
    height: 7px;
    left: 85%;
    animation-delay: 28s;
    animation-duration: 21s;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    backdrop-filter: none;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #34d399;
}

.logo-icon {
    width: 24px;
    height: 24px;
    color: #34d399;
}

.login-btn {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.4);
    color: #34d399;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: rgba(52, 211, 153, 0.25);
    border-color: rgba(52, 211, 153, 0.6);
    transform: translateY(-1px);
}

/* User Menu Styles */
.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.cart-icon {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: #34d399;
}

.cart-icon:hover {
    background: rgba(52, 211, 153, 0.1);
}

.cart-icon svg {
    width: 20px;
    height: 20px;
}

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ef4444;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.user-dropdown:hover {
    background: rgba(52, 211, 153, 0.15);
    border-color: rgba(52, 211, 153, 0.3);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.username {
    color: #34d399;
    font-weight: 500;
    font-size: 0.9rem;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    color: #34d399;
    transition: transform 0.3s ease;
}

.user-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: rgba(3, 66, 48, 0.95);
    border: 1px solid rgba(52, 211, 153, 0.3);
    border-radius: 12px;
    padding: 1rem;
    min-width: 280px;
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
}

.user-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.username-large {
    color: #34d399;
    font-weight: 600;
    font-size: 1rem;
}

.user-balance {
    color: #94a3b8;
    font-size: 0.875rem;
}

.dropdown-divider {
    height: 1px;
    background: rgba(52, 211, 153, 0.2);
    margin: 0.75rem 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: rgba(52, 211, 153, 0.1);
    color: #34d399;
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.dropdown-item.logout {
    color: #ef4444;
}

.dropdown-item.logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* Main Content */
.main-content {
    padding-top: 80px;
}

/* Hero Section */
.hero-section {
    padding: 4rem 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: #34d399;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #34d399;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #94a3b8;
    margin-bottom: 4rem;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.cta-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.cta-btn.secondary {
    background: transparent;
    color: #34d399;
    border: 2px solid rgba(52, 211, 153, 0.3);
}

.cta-btn.secondary:hover {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.5);
    transform: translateY(-2px);
}

.cta-btn svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 600;
    color: #34d399;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 400;
}

/* Services Section */
.services-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: #34d399;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(51, 65, 85, 0.4);
    border: 1px solid rgba(100, 116, 139, 0.3);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card.featured {
    border-color: rgba(52, 211, 153, 0.5);
    background: rgba(52, 211, 153, 0.05);
}

.service-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #34d399, #10b981);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(52, 211, 153, 0.4);
    box-shadow: 0 20px 60px rgba(52, 211, 153, 0.1);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.service-description {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 1.5rem;
}

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

.price-amount {
    font-size: 2rem;
    font-weight: 600;
    color: #34d399;
}

.price-currency {
    font-size: 0.875rem;
    color: #64748b;
    margin-left: 0.25rem;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.service-features li {
    padding: 0.5rem 0;
    color: #cbd5e1;
    font-size: 0.875rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
}

.service-btn {
    width: 100%;
    background: linear-gradient(135deg, #34d399, #10b981);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
}

.service-btn:hover {
    background: linear-gradient(135deg, #10b981, #059669);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 211, 153, 0.3);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, rgba(3, 66, 48, 0.95), rgba(1, 50, 32, 0.9));
    border-top: 1px solid rgba(52, 211, 153, 0.3);
    padding: 3rem 2rem 1rem;
    margin-top: 4rem;
    backdrop-filter: blur(25px);
    box-shadow: 0 -10px 30px rgba(3, 66, 48, 0.4);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: #34d399;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #cbd5e1;
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 36px;
    height: 36px;
    background: rgba(3, 66, 48, 0.6);
    border: 1px solid rgba(52, 211, 153, 0.2);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(52, 211, 153, 0.3);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.5);
    transform: translateY(-2px);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #34d399;
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(52, 211, 153, 0.2);
    text-align: center;
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Floating Action Buttons */
.floating-actions {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.fab {
    width: 48px;
    height: 48px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(71, 85, 105, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.fab:hover {
    background: rgba(52, 211, 153, 0.2);
    border-color: rgba(52, 211, 153, 0.4);
    color: #34d399;
    transform: scale(1.1);
}

.fab svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .hero-section,
    .services-section {
        padding: 2rem 1rem;
    }
    
    .floating-actions {
        right: 1rem;
    }
    
    .footer {
        padding: 2rem 1rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .floating-actions {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin: 2rem 0;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card {
    animation: fadeInUp 0.6s ease forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(30, 41, 59, 0.3);
}

::-webkit-scrollbar-thumb {
    background: rgba(125, 211, 252, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(125, 211, 252, 0.5);
}

/* Calculator Section */
.calculator-section {
    padding: 4rem 0;
    background: #fff;
}

.calculator-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-form {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #2563eb;
}

.btn-calculate {
    width: 100%;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
    margin-top: 1rem;
}

.btn-calculate:hover {
    transform: translateY(-2px);
}

.btn-calculate i {
    margin-right: 0.5rem;
}

/* Custom Checkbox Styles */
.custom-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    margin-bottom: 1rem;
}

.custom-checkbox input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    background: rgba(3, 66, 48, 0.4);
    border: 2px solid rgba(52, 211, 153, 0.3);
    border-radius: 4px;
    margin-right: 0.75rem;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-checkbox input[type="checkbox"]:hover {
    border-color: rgba(52, 211, 153, 0.6);
    background: rgba(52, 211, 153, 0.1);
}

.custom-checkbox input[type="checkbox"]:checked {
    background: #34d399;
    border-color: #34d399;
}

.custom-checkbox input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    left: 2px;
    top: -2px;
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.custom-checkbox .checkbox-text {
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.4;
}

.custom-checkbox .checkbox-text a {
    color: #34d399;
    text-decoration: none;
    transition: color 0.3s ease;
}

.custom-checkbox .checkbox-text a:hover {
    color: #10b981;
    text-decoration: underline;
}

/* Animated Checkbox */
.animated-checkbox {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    user-select: none;
    margin-bottom: 1.5rem;
    gap: 0.75rem;
}

.animated-checkbox input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    background: rgba(3, 66, 48, 0.6);
    border: 2px solid rgba(52, 211, 153, 0.4);
    border-radius: 6px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.animated-checkbox input[type="checkbox"]:hover {
    border-color: #34d399;
    background: rgba(52, 211, 153, 0.15);
    transform: scale(1.05);
}

.animated-checkbox input[type="checkbox"]:checked {
    background: #34d399;
    border-color: #34d399;
    box-shadow: 0 0 10px rgba(52, 211, 153, 0.4);
}

.animated-checkbox input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    left: 3px;
    top: -1px;
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.animated-checkbox .checkbox-text {
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.5;
}

.animated-checkbox .checkbox-text a {
    color: #34d399;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.animated-checkbox .checkbox-text a:hover {
    color: #10b981;
    text-decoration: underline;
}

/* Results Panel */
.results-panel {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
}

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

.results-header h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
}

.competitive-warning {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #92400e;
}

.competitive-warning.high-competition {
    background: #fee2e2;
    border-color: #ef4444;
    color: #991b1b;
}

.competitive-warning.low-competition {
    background: #dcfce7;
    border-color: #22c55e;
    color: #166534;
}

.main-result {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 2rem;
}

.result-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

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

.result-breakdown {
    background: #f8fafc;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-item.profit {
    font-weight: 600;
    color: #059669;
}

.breakdown-item.profit-margin {
    font-weight: 600;
    color: #2563eb;
}

.price-suggestions h4 {
    margin-bottom: 1rem;
    color: #374151;
}

.suggestion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.suggestion-card {
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.suggestion-card:hover {
    border-color: #2563eb;
    background: #eff6ff;
}

.suggestion-card.recommended {
    border-color: #10b981;
    background: #ecfdf5;
}

.suggestion-profit {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.suggestion-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

.suggestion-margin {
    font-size: 0.75rem;
    color: #059669;
    font-weight: 500;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: #f8fafc;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    padding: 4rem 0;
    background: #fff;
}

.pricing-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: transform 0.3s;
}

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

.pricing-card.featured {
    border-color: #2563eb;
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 2rem;
}

.price span {
    font-size: 1rem;
    color: #64748b;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features .fa-check {
    color: #10b981;
}

.pricing-features .fa-times {
    color: #ef4444;
}

.btn-pricing {
    width: 100%;
    padding: 1rem;
    border: 2px solid #2563eb;
    background: transparent;
    color: #2563eb;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-pricing:hover {
    background: #2563eb;
    color: white;
}

.btn-pricing.featured {
    background: #2563eb;
    color: white;
}

.btn-pricing.featured:hover {
    background: #1d4ed8;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, rgba(3, 66, 48, 0.95), rgba(1, 50, 32, 0.9));
    color: #cbd5e1;
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(52, 211, 153, 0.3);
    backdrop-filter: blur(25px);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #34d399;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #34d399;
}

.footer-bottom {
    border-top: 1px solid rgba(52, 211, 153, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
    text-align: center;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #64748b;
}

.close:hover {
    color: #1e293b;
}

.modal-content h2 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.modal-content h2 i {
    color: #f59e0b;
    margin-right: 0.5rem;
}

.modal-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

.modal-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #374151;
}

.modal-feature i {
    color: #2563eb;
}

.btn-modal-pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1.1rem;
    transition: transform 0.2s;
}

.btn-modal-pro:hover {
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .calculator-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .suggestion-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .calculator-form,
    .results-panel {
        padding: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}