/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #000000;
    --bg-white: #ffffff;
    --bg-light: #fafafa;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #e5e5e5;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.logo-square {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    transition: var(--transition);
}

.logo-square:hover {
    transform: rotate(45deg);
}

.logo-text {
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 1px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

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

.hero-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8vw, 8rem);
    font-weight: 700;
    line-height: 0.95;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    letter-spacing: -2px;
}

.title-word {
    display: block;
}

.title-word.highlight {
    position: relative;
}

.title-word.highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.15em;
    background: var(--primary-color);
    opacity: 0.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    line-height: 1.7;
    max-width: 600px;
    font-weight: 300;
}

.hero-scroll {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-light);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.grid-line {
    position: absolute;
    background: var(--border-color);
}

.grid-line-h {
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    transform: translateY(-50%);
}

.grid-line-v {
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
}

/* Work Section */
.work {
    padding: 10rem 0;
    background: var(--bg-light);
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 2rem;
    margin-bottom: 5rem;
}

.section-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--text-light);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.work-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.work-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 3rem;
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition);
}

.work-item:last-child {
    border-bottom: none;
}

.work-item:hover {
    padding-left: 1rem;
}

.work-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.work-content {
    max-width: 600px;
}

.work-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.work-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 300;
}

.work-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: var(--transition);
}

.work-item:hover .work-line {
    width: 100px;
}

/* Philosophy Section */
.philosophy {
    padding: 10rem 0;
    background: var(--bg-white);
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 6rem;
    align-items: center;
}

.philosophy-text .section-header {
    margin-bottom: 3rem;
}

.philosophy-paragraphs {
    margin-bottom: 4rem;
}

.philosophy-paragraphs p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-weight: 300;
}

.philosophy-stats {
    display: flex;
    gap: 4rem;
}

.philosophy-stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 400;
}

.philosophy-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.minimal-box {
    width: 300px;
    height: 300px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition);
}

.minimal-box:hover {
    border-color: var(--primary-color);
    transform: rotate(5deg);
}

.box-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    opacity: 0.05;
    transition: var(--transition);
}

.minimal-box:hover .box-inner {
    opacity: 0.1;
    transform: translate(-50%, -50%) scale(1.1);
}

/* Contact Section */
.contact {
    padding: 10rem 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    margin-top: 5rem;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.contact-info p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
    font-weight: 300;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 400;
}

.detail-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 400;
}

.contact-form {
    background: var(--bg-white);
    padding: 3rem;
    border: 1px solid var(--border-color);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 400;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 0;
    border: none;
    border-bottom: 1px solid var(--border-color);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background: transparent;
    transition: var(--transition);
    font-weight: 300;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--primary-color);
}

.form-group textarea {
    resize: none;
    min-height: 120px;
}

.btn-submit {
    margin-top: 2rem;
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
    width: fit-content;
}

.btn-submit:hover {
    background: var(--text-secondary);
}

.btn-submit svg {
    width: 16px;
    height: 16px;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: 2px;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.footer-logo .logo-square {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    font-weight: 400;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 300;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .philosophy-content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .work-item {
        grid-template-columns: 40px 1fr;
        gap: 2rem;
        padding: 3rem 0;
    }
    
    .work-number {
        font-size: 1.25rem;
    }
    
    .philosophy-stats {
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 1.25rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .work-content h3 {
        font-size: 1.25rem;
    }
    
    .philosophy-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .minimal-box {
        width: 250px;
        height: 250px;
    }
    
    .box-inner {
        width: 150px;
        height: 150px;
    }
}