/* --- 1. DESIGN TOKENS --- */
:root {
    /* Palette */
    --color-bg: #ffffff;
    --color-bg-alt: #f9f9f9;
    --color-fg: #1a1a1a;
    --color-fg-muted: #666666;
    --color-accent: #000000;
    --color-line: #e0e0e0;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
    
    /* Spacing */
    --space-sm: 16px;
    --space-md: 32px;
    --space-lg: 64px;
    --space-xl: 120px;
    
    /* UI Properties */
    --border-radius: 0px; /* STRICT ZERO RADIUS */
    --transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg);
    color: var(--color-fg);
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* --- 3. TYPOGRAPHY --- */
.serif {
    font-family: var(--font-serif);
    font-weight: 400;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.section-desc {
    color: var(--color-fg-muted);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-fg-muted);
    margin-bottom: var(--space-sm);
    text-align: center;
}

h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-fg);
    margin-bottom: var(--space-md);
}

.eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-fg-muted);
    margin-bottom: var(--space-sm);
    text-align: center;
}

/* --- 4. LAYOUT UTILITIES --- */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.cta-link {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--color-fg);
    padding-bottom: 4px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.cta-link:hover {
    opacity: 0.6;
}

.cta-link.centered {
    display: table;
    margin: var(--space-lg) auto;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-xl);
}

.article-body h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-top: calc(var(--space-xl) * 1.5);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
    font-weight: 600;
    color: var(--color-fg);
    border-top: 1px solid var(--color-line);
    padding-top: var(--space-lg);
}

.article-body h2:first-of-type {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

.article-body p {
    margin-bottom: var(--space-md);
    color: var(--color-fg);
    line-height: 1.8;
    font-size: 1.05rem;
}

.article-body strong {
    font-weight: 600;
    color: var(--color-fg);
}

/* Custom Table Styling */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    border: 1px solid var(--color-line);
}

.comparison-table th {
    text-align: left;
    padding: 20px;
    border-bottom: 2px solid var(--color-fg);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--color-fg);
    background-color: var(--color-bg-alt);
}

.comparison-table td {
    padding: 20px;
    border-bottom: 1px solid var(--color-line);
    vertical-align: top;
    color: var(--color-fg-muted);
    font-size: 1rem;
    line-height: 1.5;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* SVG Illustration Container within article */
.article-illustration {
    width: 100%;
    margin: var(--space-xl) 0;
    display: flex;
    justify-content: center;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-line);
    padding: var(--space-md);
    box-sizing: border-box;
}

.article-illustration svg {
    max-width: 100%;
    height: auto;
}

/* --- 5. HEADER --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: background-color 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background-color: var(--color-bg);
    padding: 16px 0;
    box-shadow: 0 1px 0 var(--color-line);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
    text-decoration: none;
    z-index: 10;
}

/* Desktop Navigation */
.main-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list li a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-fg);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s ease;
}

/* Hover/Focus Effects */
.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-fg);
    transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.nav-list li a:hover,
.nav-list li a:focus-visible {
    color: var(--color-fg);
    opacity: 1;
}

.nav-list li a:hover::after,
.nav-list li a:focus-visible::after {
    width: 100%;
}

/* Primary CTA in Nav */
.nav-cta {
    border: 1px solid var(--color-fg) !important;
    padding: 10px 24px !important;
    font-weight: 500 !important;
    letter-spacing: 0.15em !important;
    transition: all 0.3s ease !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background-color: var(--color-fg) !important;
    color: #fff !important;
}

/* Header Right / Mobile Toggle */
.header-right {
    z-index: 10;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-fg);
    transition: var(--transition);
}

/* Responsive Behavior */
@media (max-width: 1024px) {
    .main-nav {
        display: none; /* Hide desktop nav on smaller screens */
    }
    
    .header-inner {
        padding-right: 0;
    }
}
/* --- 6. HERO SECTION --- */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero-interior.png');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    z-index: -1;
    /* Subtle zoom effect on load */
    animation: slowZoom 10s infinite alternate linear;
}

@keyframes slowZoom {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 var(--space-md);
    z-index: 1;
    background: rgba(0,0,0,0.2); /* Added slight overlay for better readability */
    backdrop-filter: blur(2px);
    padding: var(--space-lg);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.1;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.hero-content .cta-link {
    color: #fff;
    border-color: #fff;
}

/* --- 7. MANIFESTO --- */
.manifesto-section {
    padding: calc(var(--space-xl) * 1.5) 0;
    text-align: center;
    background: var(--color-bg);
}

.trust-badges {
    margin-top: var(--space-lg);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-fg-muted);
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-line);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.divider {
    color: var(--color-line);
}

/* --- 8. SERVICES GRID --- */
.services-section {
    padding: calc(var(--space-xl) * 1.5) 0;
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: var(--space-md);
    border: 1px solid var(--color-line);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-fg);
}

.card-image {
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.card-image img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    transition: transform 1s ease;
}

.service-card:hover .card-image img {
    transform: scale(1.03);
}

.card-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--color-fg-muted);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

.card-desc {
    color: var(--color-fg-muted);
    font-size: 1rem;
    margin-bottom: var(--space-md);
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.card-link {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-bottom: 1px solid transparent;
    padding-bottom: 4px;
}

.card-link:hover {
    border-bottom: 1px solid var(--color-fg);
}

/* --- 9. TECH SECTION --- */
.tech-section {
    background-color: var(--color-bg-alt);
    padding: calc(var(--space-xl) * 1.5) 0;
}

.tech-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (max-width: 992px) {
    .tech-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

.tech-list li {
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-line);
    padding-bottom: var(--space-md);
}

.tech-list strong {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-size: 0.95rem;
    color: var(--color-fg);
}

.tech-list span {
    color: var(--color-fg-muted);
    font-size: 1rem;
    line-height: 1.5;
}

/* --- 10. CASES SCROLL --- */
.cases-section {
    padding: calc(var(--space-xl) * 1.5) 0;
    overflow: hidden;
}

.cases-scroll-wrapper {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--space-lg);
    padding: 0 var(--space-md) calc(var(--space-lg) * 1.5) var(--space-md);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cases-scroll-wrapper::-webkit-scrollbar {
    display: none;
}

.case-item {
    flex: 0 0 auto;
    width: 80vw;
    scroll-snap-align: center;
    position: relative;
}

@media (min-width: 768px) {
    .case-item {
        width: 600px;
    }
}

.case-img {
    margin-bottom: var(--space-md);
}

.case-img img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.case-item:hover .case-img img {
    filter: grayscale(0%);
}

.case-data h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 12px;
    line-height: 1.2;
}

.case-data p {
    color: var(--color-fg-muted);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
}

/* --- 11. JOURNAL --- */
.journal-section {
    padding: calc(var(--space-xl) * 1.5) 0;
    background: var(--color-bg);
}

.journal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

@media (max-width: 768px) {
    .journal-grid {
        grid-template-columns: 1fr;
    }
}

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

.journal-card > a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.journal-img {
    margin-bottom: var(--space-md);
}

.journal-img img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.journal-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.journal-desc {
    color: var(--color-fg-muted);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.journal-date {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-fg-muted);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

/* --- 12. FORM --- */
.form-section {
    padding: calc(var(--space-xl) * 1.5) 0;
    background: var(--color-bg-alt);
    text-align: center;
}

.minimal-form {
    max-width: 500px;
    margin: var(--space-lg) auto 0;
}

.input-group {
    margin-bottom: var(--space-lg);
    text-align: left;
}

.input-group label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    color: var(--color-fg-muted);
    font-weight: 500;
}

.input-group input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-fg);
    padding: 12px 0;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: var(--color-fg);
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-bottom: 2px solid var(--color-fg);
}

.form-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: calc(var(--space-lg) * 1.5);
    padding: 0;
    transition: var(--transition);
}

.form-btn:hover {
    opacity: 0.6;
}

/* --- 13. FOOTER --- */
.site-footer {
    background-color: #111;
    color: #fff;
    padding: calc(var(--space-xl) * 1.5) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--space-sm);
    color: #fff;
}

.footer-tagline {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: #666;
}

.footer-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-lg);
    color: #888;
    font-weight: 500;
}

.footer-col ul li {
    margin-bottom: 16px;
}

.footer-col ul li a {
    color: #fff;
    font-size: 0.95rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-col ul li a:hover {
    opacity: 1;
}

.footer-col address {
    font-style: normal;
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.8;
}

.social-links {
    margin-top: var(--space-md);
}

.social-links a {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid #333;
    color: #fff;
}

.footer-bottom {
    margin-top: calc(var(--space-xl) * 1.5);
    padding-top: var(--space-lg);
    border-top: 1px solid #222;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.7rem;
    color: #555;
    letter-spacing: 0.1em;
}

/* --- 14. MOBILE MENU --- */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.99);
    backdrop-filter: blur(10px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-menu-content a {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 2rem;
    text-decoration: none;
    color: var(--color-fg);
    position: relative;
    transition: opacity 0.3s ease;
}

.mobile-menu-content a:hover {
    opacity: 0.7;
}

.mobile-cta {
    margin-top: 16px;
    font-family: var(--font-sans) !important;
    font-size: 0.9rem !important;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 12px 32px;
    border: 1px solid var(--color-fg);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}