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

html, body {
    height: 100%;
}

body {
    font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #ffffff;
    color: #000000;
}

/* Page frame like letterhead */
.page-frame {
    min-height: 100vh;
    border: 1px solid #888888; /* soft grey frame */
    margin: 16px;
    padding: 24px 24px 16px;
}

/* HEADER */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.logo-text {
    font-weight: 600;
    letter-spacing: 0.12em;
    font-size: 14px;
}

.main-nav {
    display: flex;
    gap: 16px;
    font-size: 13px;
}

.main-nav a {
    text-decoration: none;
    color: #000;
    opacity: 0.8;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}

.main-nav a:hover {
    opacity: 1;
    border-color: #000;
}

/* HERO */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
    gap: 32px;
    align-items: center;
    margin-bottom: 32px;
}

.hero-content h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 14px;
    line-height: 1.6;
    max-width: 480px;
    margin-bottom: 18px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn-primary,
.btn-ghost {
    font-size: 13px;
    padding: 9px 18px;
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    transition: 0.2s ease;
}

.btn-primary {
    background-color: #000;
    color: #fff;
    border: 1px solid #000;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-ghost {
    background-color: transparent;
    color: #000;
    border: 1px solid #000;
}

.btn-ghost:hover {
    background-color: #000;
    color: #fff;
}

.btn-primary.small,
.btn-ghost.small {
    padding: 7px 14px;
    font-size: 12px;
}

.hero-image-placeholder {
    border-radius: 12px;
    border: 1px dashed #b0b0b0;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    text-align: center;
    color: #555;
}

/* Highlights */
.highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 32px;
}

.highlight-item h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.highlight-item p {
    font-size: 13px;
    line-height: 1.5;
    color: #333;
}

/* Sections */
.section {
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 18px;
    margin-bottom: 4px;
}

.section-header p {
    font-size: 13px;
    color: #555;
}

.section-body {
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.7;
    color: #222;
}

.section-body p + p {
    margin-top: 8px;
}

/* Two columns layout */
.two-columns {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
}

/* Product cards */
.product-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
}

.product-card {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 14px;
}

.product-card h3 {
    font-size: 14px;
    margin-bottom: 6px;
}

.product-card p {
    font-size: 13px;
    color: #333;
    line-height: 1.6;
}

/* Clean list */
.clean-list {
    list-style: none;
    margin-top: 10px;
}

.clean-list li {
    margin-bottom: 6px;
    font-size: 13px;
}

/* Customers */
.customer-tags {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.customer-tags span {
    border-radius: 999px;
    border: 1px solid #d0d0d0;
    padding: 6px 12px;
    font-size: 12px;
    background-color: #fafafa;
}

/* Contact */
.contact-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
    gap: 24px;
}

.contact-grid h3 {
    font-size: 14px;
    margin-bottom: 6px;
}

.contact-grid p {
    font-size: 13px;
    line-height: 1.6;
}

.contact-grid a {
    color: #000;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.contact-grid a:hover {
    border-bottom: 1px solid #000;
}

.contact-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

/* Footer */
.site-footer {
    margin-top: 24px;
    border-top: 1px solid #e0e0e0;
    padding-top: 10px;
    text-align: center;
    font-size: 11px;
    color: #777;
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-frame {
        margin: 8px;
        padding: 18px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .main-nav {
        flex-wrap: wrap;
    }

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