/* style.css - Industrial-Architectural Design System */
:root {
    --bg: #f5f7fa;
    --surface-lowest: #ffffff;
    --surface-low: #f0f2f5;
    --surface-high: #e1e4e8;
    --primary: #000000;
    --primary-container: #dfe6e9;
    --secondary: #000000;
    --secondary-container: #b2bec3;
    --on-secondary-container: #000000;
    --on-background: #000000;
    --on-surface-variant: #000000;
    --outline-variant: #c4c7cc;
    --border-milled: rgba(0, 0, 0, 0.1);
    
    --font-display: 'Newsreader', serif;
    --font-body: 'Public Sans', sans-serif;
    
    --spacing-unit: 8px;
    --section-gap: 128px;
    --gutter: 32px;
}

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

body {
    background-color: var(--bg);
    color: var(--on-background);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* Top Bar */
.top-bar {
    background-color: var(--bg);
    color: var(--on-surface-variant);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-align: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-milled);
    font-family: var(--font-body);
    font-weight: 600;
}

/* Header */
.site-header {
    background-color: var(--bg);
    border-bottom: 1px solid var(--border-milled);
    height: 80px;
    display: flex;
    align-items: center;
}

.header-inner {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    max-width: 150px;
    object-fit: contain;
}

.header-cta {
    background-color: var(--secondary-container);
    color: var(--on-background);
    padding: 10px 24px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: opacity 0.2s;
    border-radius: 0;
}

.header-cta:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 48px;
}

.label-caps {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--secondary);
    display: block;
    margin-bottom: 16px;
}

.display-xl {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 64px);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--on-background);
    max-width: 1000px;
}

/* Editorial Content */
.editorial-content {
    padding: 64px 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 32px;
}

.body-lg {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    color: #333;
}

.body-md {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: #444;
}

.intro-text {
    margin-bottom: 48px;
    font-weight: 400;
}

.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-10 { margin-bottom: 40px; }
.mb-24 { margin-bottom: 64px; }
.mt-24 { margin-top: 64px; }

.headline-md {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    line-height: 1.3;
    color: var(--on-background);
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.headline-lg {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-background);
}

.headline-decorator {
    display: block;
    width: 40px;
    height: 1px;
    background-color: var(--secondary-container);
}

.text-center { text-align: center; }

/* Technical Grid */
.technical-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .technical-grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.tech-card {
    border: 1px solid var(--border-milled);
    padding: 32px;
    background-color: var(--surface-lowest);
}

.tech-icon {
    font-size: 32px;
    color: var(--secondary);
    margin-bottom: 16px;
    display: block;
}

.tech-img-wrapper {
    height: 100%;
}

.content-img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
    border: 1px solid var(--border-milled);
}

.divider {
    height: 1px;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background-color: var(--secondary-container);
    color: var(--on-background);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.2s;
    border-radius: 0;
}

.btn-primary:hover {
    background-color: var(--on-background);
    color: var(--bg);
}

/* CTA Section */
.cta-section {
    background-color: var(--secondary-container);
    padding: 80px 32px;
    text-align: center;
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

.cta-lock-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.05;
    pointer-events: none;
}

.cta-lock-icon span {
    font-size: 300px;
}

.cta-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
}

.btn-cta {
    display: inline-block;
    background-color: var(--bg);
    color: var(--on-background);
    padding: 20px 40px;
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.2s;
    border-radius: 0;
}

.btn-cta:hover {
    background-color: var(--on-background);
    color: var(--bg);
}

.cta-logo-img {
    height: 70px;
    outline: 3px solid var(--on-background);
    outline-offset: 8px;
    background: white;
    padding: 12px;
    margin-bottom: 24px;
}

/* Disclaimer */
.disclaimer-section {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 48px;
}

.disclaimer-text {
    font-family: var(--font-body);
    font-size: 12px;
    line-height: 1.8;
    color: #666;
    text-align: center;
}

/* Footer */
.site-footer {
    background-color: var(--bg);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: 64px;
    padding: 64px 32px;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.contact-details {
    text-align: center;
}

.contact-details h4 {
    font-family: var(--font-body);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.contact-details p {
    font-size: 13px;
    color: #555;
    margin-bottom: 4px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}

.footer-links a {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #333;
    text-decoration: none;
    font-weight: 600;
}

.footer-links a:hover {
    color: var(--on-background);
    text-decoration: underline;
}