:root {
    /* Colors */
    --color-bg: #1c1917;
    /* Dark Stone */
    --color-bg-alt: #292524;
    /* Lighter Stone */
    --color-text: #f8fafc;
    /* White-ish */
    --color-text-muted: #a8a29e;
    --color-accent: #f97316;
    /* Orange */
    --color-accent-glow: rgba(249, 115, 22, 0.5);
    --color-border: #44403c;
    --color-bg-secondary: #0c0a09;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Roboto Mono', monospace;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.btn:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    background: linear-gradient(to right, #fff, var(--color-text-muted));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height);
    height: var(--header-height);
    background-color: rgba(28, 25, 23, 0.9);
    /* Dark Stone with opacity */
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.05em;
    line-height: 1;
    text-transform: uppercase;
    border: 2px solid var(--color-text);
    padding: 0.2em 0.4em;
    display: flex;
    align-items: center;
    gap: 0.05em;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.screw-dot {
    width: 0.5em;
    height: 0.5em;
    color: var(--color-accent);
    display: inline-block;
    margin-top: 0.05em;
}

.logo:hover .screw-dot {
    color: var(--color-text);
    /* Invert on hover for effect, or keep accent? Let's keep accent or maybe rotate? */
    transform: rotate(90deg);
    transition: transform 0.3s ease;
}

nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

nav a:hover {
    color: var(--color-accent);
}

.lang-toggle {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    font-family: var(--font-mono);
    border-radius: 4px;
    margin-left: var(--spacing-md);
}

.lang-toggle:hover,
.lang-toggle.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    padding-top: var(--header-height);
    background: linear-gradient(rgba(28, 25, 23, 0.8), rgba(28, 25, 23, 0.8)), url('assets/hero.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Divider Image Section */
.divider-image-section {
    width: 100%;
    height: 400px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Services */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.card p {
    color: var(--color-text-muted);
}

/* Process Section */
.process {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.process-step.card {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.card .icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card .icon svg {
    width: 100%;
    height: 100%;
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-size: 1.3rem;
}

.process-step {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    position: relative;
    transition: all var(--transition-speed) ease;
}

.process-step:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.step-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    width: 40px;
    height: 40px;
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    font-family: var(--font-mono);
}

.process-step h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-size: 1.3rem;
}

.process-step p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Workshop Image Section */
.workshop-image-section {
    width: 100%;
    height: 400px;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.workshop-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--color-bg), var(--color-bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
}

.workshop-placeholder::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at center, var(--color-accent) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.1;
}

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

/* About */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

/* Contact */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.contact-item a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

.contact-item a:hover {
    color: var(--color-accent);
}

.contact-branding {
    margin-top: auto;
    padding-top: var(--spacing-lg);
}

.innospark-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-xs);
    filter: invert(1) brightness(2);
    /* Invert to make it white/light */
    opacity: 0.8;
}

.contact-branding p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

footer .links {
    margin-bottom: var(--spacing-md);
}

footer .links a {
    margin: 0 var(--spacing-md);
}

footer .links a:hover {
    color: var(--color-accent);
}

/* Mobile Nav */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    nav ul {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-bg-alt);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
    }

    nav ul.active {
        display: flex;
    }
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background-color: var(--color-bg);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Cross Promo Section */
.cross-promo-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
}

.modal-lookalike {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    margin: 0 auto;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.modal-lookalike:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
}

.modal-header {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 10px 15px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--color-border);
}

.modal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.modal-dot.red {
    background-color: #ff5f56;
}

.modal-dot.yellow {
    background-color: #ffbd2e;
}

.modal-dot.green {
    background-color: #27c93f;
}

.modal-body {
    padding: var(--spacing-lg);
    text-align: center;
}

.modal-body h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.modal-body p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}