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

:root {
    --primary: #2C3E50;
    --primary-light: #34495E;
    --accent: #7F8C8D;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --background: #FFFFFF;
    --surface: #F8F9FA;
    --border: #E1E4E8;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 2px 8px 0 rgb(0 0 0 / 0.08);
    --shadow-lg: 0 8px 16px 0 rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #E8EAED;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--background);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Header & Logo */
.header {
    background: var(--primary);
    padding: 3.5rem 2rem;
    text-align: center;
    color: white;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin: 0;
    text-transform: uppercase;
}

.tagline {
    font-size: 0.9375rem;
    font-weight: 400;
    opacity: 0.85;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Main Content */
.main-content {
    padding: 4rem 2rem;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 5rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
}

/* About */
.about {
    margin-bottom: 5rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.9;
}

.about-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Sections */
.section-title {
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    font-weight: 400;
}

/* Services */
.services {
    margin-bottom: 5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--background);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.service-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.service-card h4 {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.875rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.focus-box {
    background: var(--primary);
    padding: 3rem 2.5rem;
    text-align: center;
    color: white;
    border: 1px solid var(--primary);
}

.focus-box p {
    font-size: 1.0625rem;
    margin-bottom: 0.875rem;
    line-height: 1.8;
    font-weight: 400;
}

.focus-box p:last-child {
    margin-bottom: 0;
}

/* Traffic */
.traffic {
    margin-bottom: 5rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}

.traffic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.traffic-card {
    background: var(--surface);
    padding: 2rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
}

.traffic-card:hover {
    box-shadow: var(--shadow-sm);
    background: white;
}

.traffic-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.traffic-card h4 {
    font-size: 1.0625rem;
    font-weight: 500;
    margin-bottom: 0.625rem;
    color: var(--text-primary);
}

.traffic-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Data Monetization */
.data-monetization {
    margin-bottom: 5rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}

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

.data-content p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    text-align: center;
    line-height: 1.9;
}

.data-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2.5rem 0;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.data-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    text-align: center;
}

.data-feature span {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 400;
}

.data-note {
    text-align: center;
    font-weight: 500;
    color: var(--text-primary) !important;
    font-size: 1.0625rem !important;
}

/* Partners */
.partners {
    margin-bottom: 5rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.partner-card {
    background: var(--surface);
    padding: 2.5rem 2rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.partner-card:hover {
    box-shadow: var(--shadow-sm);
    background: white;
}

.partner-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card h4 {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.875rem;
    color: var(--text-primary);
}

.partner-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.values-box {
    background: white;
    padding: 3rem 2.5rem;
    text-align: center;
    border: 1px solid var(--border);
}

.values-box p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 0.875rem;
    line-height: 1.8;
}

.values-box p:last-child {
    margin-bottom: 0;
}

/* Contact Form */
.contact-form {
    background: var(--surface);
    padding: 3.5rem 3rem;
    margin-bottom: 4rem;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.form {
    max-width: 700px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(127, 140, 141, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    width: 100%;
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.submit-button:hover {
    background: var(--primary-light);
}

.submit-button:active {
    transform: translateY(0);
}

/* Summary */
.summary {
    margin-bottom: 4rem;
    text-align: center;
}

.summary-content {
    background: var(--primary);
    padding: 3.5rem 3rem;
    color: white;
}

.summary-content h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.summary-list {
    list-style: none;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.summary-list li {
    padding: 0.875rem 0;
    font-size: 1.0625rem;
    position: relative;
    line-height: 1.7;
    font-weight: 400;
}

.summary-list li:before {
    content: "—";
    margin-right: 0.75rem;
    opacity: 0.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: white;
    color: var(--primary);
    padding: 1rem 2.5rem;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.cta-button:hover {
    background: var(--surface);
}

/* Footer */
.footer {
    background: var(--surface);
    padding: 2.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 400;
    color: var(--text-primary);
    font-size: 1rem;
    letter-spacing: 0.1em;
}

.logo-icon-small {
    color: var(--primary);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 0;
    }

    .container {
        box-shadow: none;
    }

    .logo h1 {
        font-size: 2rem;
    }

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

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

    .section-title {
        font-size: 1.625rem;
    }

    .services-grid,
    .traffic-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-form {
        padding: 2.5rem 2rem;
    }

    .main-content {
        padding: 3rem 2rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .summary-content {
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 2.5rem 1.5rem;
    }

    .logo {
        flex-direction: column;
        gap: 0.75rem;
    }

    .logo h1 {
        font-size: 1.75rem;
    }

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

    .main-content {
        padding: 2.5rem 1.5rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }
}

/* Form Status Messages */
.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.form-status.success {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #10B981;
}

.form-status.error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #EF4444;
}