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

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --accent: #f093fb;
    --dark: #1a202c;
    --dark-light: #2d3748;
    --gray: #4a5568;
    --gray-light: #718096;
    --gray-lighter: #e2e8f0;
    --white: #ffffff;
    --success: #48bb78;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hover: linear-gradient(135deg, #5568d3 0%, #653a8e 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--dark);
}

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-gradient {
    background: var(--gradient);
    color: var(--white);
}

.btn-gradient:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    display: block;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--gray);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-lighter);
}

.dashboard-header {
    background: var(--dark);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dashboard-dots {
    display: flex;
    gap: 0.5rem;
}

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray);
}

.dashboard-title {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
}

.dashboard-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.metric-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    background: var(--gray-lighter);
    border-radius: 8px;
}

.metric-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon.cpu {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.metric-icon.memory {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.metric-icon.disk {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.metric-icon.network {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.metric-icon.packets {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.metric-info {
    text-align: left;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.metric-chart {
    flex-shrink: 0;
}

.donut-chart {
    width: 50px;
    height: 50px;
}

.line-chart {
    width: 60px;
    height: 30px;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.feature-description {
    color: var(--gray);
    line-height: 1.7;
}

/* Pricing Section */
.pricing {
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.calculator-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 3rem;
}

.calculator-left {
    padding: 3rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.calculator-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.calculator-subtitle {
    color: var(--gray);
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--dark);
    font-size: 0.95rem;
}

.input-group input[type="number"],
.input-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-lighter);
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    transition: all 0.3s ease;
}

.input-group input[type="number"]:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.input-group input[type="range"] {
    width: 100%;
    margin-top: 1rem;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-lighter);
    outline: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient);
    cursor: pointer;
}

.input-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient);
    cursor: pointer;
    border: none;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.radio-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid var(--gray-lighter);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-option:hover {
    border-color: var(--primary);
}

.radio-option input[type="radio"] {
    margin-right: 1rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.radio-option input[type="radio"]:checked + .radio-label {
    color: var(--primary);
}

.radio-option:has(input[type="radio"]:checked) {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.radio-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
}

.radio-title {
    font-weight: 600;
    color: var(--dark);
}

.radio-price {
    color: var(--gray);
    font-size: 0.875rem;
}

.calculator-right {
    padding: 3rem;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cost-breakdown {
    background: var(--gray-lighter);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.breakdown-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.breakdown-label {
    color: var(--gray);
    font-size: 0.95rem;
}

.breakdown-value {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--dark);
}

.breakdown-divider {
    height: 1px;
    background: var(--gray);
    margin: 1.5rem 0;
}

.breakdown-item.total .breakdown-label {
    font-weight: 700;
    color: var(--dark);
    font-size: 1.125rem;
}

.breakdown-item.total .breakdown-value {
    font-size: 1.75rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cost-per-device {
    text-align: center;
    color: var(--gray);
    font-size: 0.875rem;
    margin-top: 1rem;
}

.cost-per-device span {
    font-weight: 700;
    color: var(--primary);
    font-size: 1rem;
}

.pricing-features {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-features h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-list li {
    text-align: left;
    color: var(--gray);
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.step {
    text-align: center;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.step-description {
    color: var(--gray);
    line-height: 1.7;
}

/* Roadmap Section */
.roadmap {
    background: linear-gradient(180deg, #f7fafc 0%, #ffffff 100%);
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.roadmap-card {
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.roadmap-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.roadmap-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.roadmap-status.current {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success);
}

.roadmap-status.upcoming {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
}

.roadmap-status.future {
    background: rgba(113, 128, 150, 0.1);
    color: var(--gray);
}

.roadmap-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.roadmap-features {
    list-style: none;
}

.roadmap-features li {
    padding: 0.75rem 0;
    color: var(--gray);
    border-bottom: 1px solid var(--gray-lighter);
}

.roadmap-features li:last-child {
    border-bottom: none;
}

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray);
}

.contact-item svg {
    color: var(--primary);
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--gray-lighter);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-lighter);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--dark);
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(72, 187, 120, 0.1);
    color: var(--success);
}

.form-message.error {
    display: block;
    background: rgba(245, 87, 108, 0.1);
    color: #f5576c;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-description {
    color: var(--gray-light);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-column a {
    display: block;
    color: var(--gray-light);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-light);
    color: var(--gray-light);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        order: -1;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .calculator-card {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .roadmap-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    .calculator-left,
    .calculator-right {
        padding: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}