/* pencloser.com - Swiss Typography Enterprise */
/* Colors: #333333, #f7f7f7, #e0e0e0, #ffffff, #1a1a1a, #e63946, #6b6b6b */
/* Fonts: Space Grotesk (700), IBM Plex Sans (400/600), IBM Plex Mono (400) */

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

body {
    font-family: 'IBM Plex Sans', sans-serif;
    background: #ffffff;
    color: #1a1a1a;
    /* Visible 12-column grid background */
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent calc(8.33% - 12px),
            rgba(0,0,0,0.03) calc(8.33% - 12px),
            rgba(0,0,0,0.03) calc(8.33% + 12px),
            transparent calc(8.33% + 12px)
        );
}

/* Grid Container */
.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0 24px;
}

.grid-container > * {
    grid-column: 1 / -1;
}

/* Grid Rules */
.grid-rule {
    border: none;
    height: 1px;
    background: #e0e0e0;
    margin: 0;
    grid-column: 1 / -1;
}

/* Header */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    grid-column: 1 / -1;
}

.header-domain {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
    color: #1a1a1a;
}

.header-nav {
    display: flex;
    gap: 32px;
}

.nav-item {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 14px;
    color: #6b6b6b;
    cursor: pointer;
    transition: color 0.2s ease;
}

.nav-item:hover {
    color: #1a1a1a;
}

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    padding: 80px 0;
    grid-column: 1 / -1;
}

.hero-left {
    grid-column: 1 / 8;
}

.hero-right {
    grid-column: 8 / 13;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-content: start;
    padding-top: 12px;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 72px;
    letter-spacing: -0.02em;
    line-height: 1.05;
    color: #1a1a1a;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 20px;
    line-height: 1.6;
    color: #6b6b6b;
    max-width: 520px;
}

.spec-block {
    padding: 16px;
    border: 1px solid #e0e0e0;
}

.spec-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    color: #6b6b6b;
    display: block;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.spec-value {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: #1a1a1a;
}

/* Section Labels */
.section-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.08em;
    color: #333333;
    text-transform: uppercase;
    padding: 40px 0 32px;
}

/* Features Section */
.features-section {
    padding-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 24px;
}

.feature-block {
    padding-right: 20px;
}

.feature-number {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: #e63946;
    display: block;
    margin-bottom: 12px;
}

.feature-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.01em;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.feature-text {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #6b6b6b;
}

/* Metrics Section */
.metrics-section {
    padding-bottom: 60px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.metric-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-value {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 48px;
    letter-spacing: -0.02em;
    color: #1a1a1a;
    line-height: 1;
}

.metric-value.red-accent {
    color: #e63946;
}

.metric-label {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 14px;
    color: #6b6b6b;
    line-height: 1.4;
}

/* Specs Section */
.specs-section {
    padding-bottom: 60px;
}

.specs-table {
    display: flex;
    flex-direction: column;
}

.spec-row {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    padding: 14px 0;
    border-bottom: 1px solid #f7f7f7;
}

.spec-key {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: #333333;
}

.spec-val {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 15px;
    color: #6b6b6b;
}

/* Footer */
.footer-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 40px 0 60px;
    grid-column: 1 / -1;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-domain {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: #1a1a1a;
}

.footer-copy {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    color: #6b6b6b;
}

.footer-right {
    display: flex;
    gap: 24px;
}

.footer-link {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 14px;
    color: #6b6b6b;
    cursor: pointer;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #e63946;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-section {
        display: flex;
        flex-direction: column;
        padding: 40px 0;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-right {
        padding-top: 30px;
    }

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

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

    .spec-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .header-nav {
        display: none;
    }

    .footer-section {
        flex-direction: column;
        gap: 20px;
    }
}