/* Swiss Design / International Typographic Style */
/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: Helvetica, Arial, system-ui, sans-serif;
    background-color: #FFFFFF;
    color: #000000;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container and Grid System */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px;
}

/* Typography Scale */
h1 {
    font-size: 48px;
    line-height: 56px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

h2 {
    font-size: 32px;
    line-height: 40px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

h3 {
    font-size: 24px;
    line-height: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

p {
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 24px;
}

/* Header Section */
.header {
    margin-bottom: 64px;
    padding-bottom: 48px;
    border-bottom: 2px solid #000000;
}

.headline {
    color: #FF0000;
    text-align: left;
}

.subheadline {
    max-width: 800px;
    font-size: 18px;
    line-height: 28px;
    margin-bottom: 32px;
}

/* Main Grid - Asymmetric 2-column */
.main-grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    margin-bottom: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid #000000;
}

.main-content h2 {
    color: #000000;
}

.sidebar-content {
    padding-left: 24px;
    border-left: 2px solid #000000;
}

.sidebar-content h3 {
    font-size: 20px;
    line-height: 28px;
}

/* Feature Blocks - Grid Layout */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid #000000;
}

.feature-block {
    text-align: left;
}

.feature-number {
    font-size: 64px;
    line-height: 64px;
    font-weight: 700;
    color: #FF0000;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 20px;
    line-height: 28px;
    margin-bottom: 16px;
}

.feature-text {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 16px;
}

.feature-image {
    width: 100%;
    height: auto;
    display: block;
    margin-top: 16px;
    border: 1px solid #000000;
}

/* Information Section */
.info-section {
    margin-bottom: 64px;
}

.info-section h2 {
    margin-bottom: 24px;
}

.info-section p {
    max-width: 800px;
    margin-bottom: 32px;
}

/* CTA Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    border: 2px solid #000000;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-right: 16px;
    margin-bottom: 16px;
}

.btn-primary {
    background-color: #000000;
    color: #FFFFFF;
    border-color: #000000;
}

.btn-primary:hover {
    background-color: #FF0000;
    border-color: #FF0000;
}

.btn-secondary {
    background-color: #FFFFFF;
    color: #000000;
    border-color: #000000;
}

.btn-secondary:hover {
    background-color: #000000;
    color: #FFFFFF;
}

.cta-group {
    margin-top: 32px;
}

/* Footer */
.footer {
    padding-top: 32px;
    border-top: 2px solid #000000;
    text-align: left;
}

.footer p {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 32px 16px;
    }

    h1 {
        font-size: 36px;
        line-height: 44px;
    }

    h2 {
        font-size: 24px;
        line-height: 32px;
    }

    h3 {
        font-size: 20px;
        line-height: 28px;
    }

    .main-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .sidebar-content {
        padding-left: 0;
        border-left: none;
        border-top: 2px solid #000000;
        padding-top: 32px;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-number {
        font-size: 48px;
        line-height: 48px;
    }

    .btn {
        display: block;
        width: 100%;
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 32px;
        line-height: 40px;
    }

    .subheadline {
        font-size: 16px;
        line-height: 24px;
    }
}