:root {
    --bg-color: #f6f8fb;
    --text-color: #0b0c10;
    --accent-color: #0000ff; /* Klein Blue */
    --border-color: rgba(11, 12, 16, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none !important;
}

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

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    will-change: transform;
    mix-blend-mode: difference;
    background: transparent;
    transition: width 0.2s, height 0.2s, background 0.2s, border-width 0.2s;
}

.custom-cursor.hover {
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 255, 0.1);
    border-width: 2px;
}

/* Base Typographic Grid / Basel Style */
.grid-container {
    display: grid;
    grid-template-columns: 4fr 6fr; /* 40% negative/logo, 60% content */
    min-height: 100vh;
}

/* Left side header - Fixed */
.header {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 4vw;
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* Push to bottom for that extreme look */
    border-right: 1px solid var(--border-color);
}

.logo {
    font-family: var(--font-heading);
    font-size: 6vw;
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
}

.acronym {
    font-size: 1rem;
    font-weight: 500;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Right side content */
.content-block {
    padding: 8vw 6vw;
}

.massive-typo {
    font-family: var(--font-heading);
    font-size: 5vw;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

.sub-hero {
    font-size: 1.5rem;
    font-weight: 400;
    max-width: 80%;
    color: #444;
}

.hero-section {
    margin-bottom: 15vh;
}

/* Services */
.services {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-bottom: 15vh;
}

.service-item {
    border-top: 1px solid var(--text-color);
    padding-top: 1rem;
}

.service-item h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-item p {
    font-size: 1.1rem;
    color: #555;
    max-width: 80%;
}

/* Contact Section */
.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    letter-spacing: -0.04em;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 100%;
}

.form-row.col-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.input-group label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.input-group input,
.input-group textarea,
.input-group select {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.3s;
    appearance: none;
    border-radius: 0;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    border-bottom-color: var(--accent-color);
}

.input-group textarea {
    resize: vertical;
    min-height: 100px;
}

.select-wrapper {
    position: relative;
    width: 100%;
}

.select-icon {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    pointer-events: none;
}

.submit-btn {
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    padding: 1.25rem 2.5rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: fit-content;
    will-change: transform;
    margin-top: 1rem;
    border-radius: 0;
}

.submit-btn:hover {
    background: var(--accent-color);
}

.btn-icon {
    width: 24px;
    height: 24px;
}

.footer {
    margin-top: 15vh;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: #777;
}

/* Animations & Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .grid-container {
        grid-template-columns: 1fr;
        display: block;
    }
    
    .header {
        position: relative;
        height: auto;
        padding: 15vw 6vw 8vw 6vw;
        border-right: none;
        border-bottom: 1px solid var(--text-color);
    }
    
    .logo {
        font-size: 18vw;
    }
    
    .massive-typo {
        font-size: 12vw;
    }
    
    .form-row.col-2 {
        grid-template-columns: 1fr;
    }
    
    .sub-hero, .service-item p {
        max-width: 100%;
    }
}