/* ========================================
   ATELIER ASYMMETRIC - CSS
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --bg-primary: #FAFAFA;
    --bg-secondary: #F3F4F6;
    --text-primary: #111111;
    --text-secondary: #4B5563;
    --accent: #D97706;
    --accent-hover: #B45309;
    --border: #E5E7EB;
    --overlay: rgba(17, 17, 17, 0.6);
    --overlay-dark: rgba(17, 17, 17, 0.85);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: clamp(0.5rem, 1vw, 0.75rem);
    --space-sm: clamp(0.75rem, 1.5vw, 1rem);
    --space-md: clamp(1rem, 2vw, 1.5rem);
    --space-lg: clamp(1.5rem, 3vw, 2.5rem);
    --space-xl: clamp(2.5rem, 5vw, 4rem);
    --space-2xl: clamp(4rem, 8vw, 6rem);
    
    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-index */
    --z-background: -1;
    --z-content: 1;
    --z-overlay: 10;
    --z-nav: 100;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-number {
    font-family: var(--font-body);
    font-size: clamp(0.75rem, 1.2vw, 0.875rem);
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ---------- Layout Utilities ---------- */
.offset-left {
    padding-left: clamp(1rem, 8vw, 8rem);
}

.offset-right {
    padding-right: clamp(1rem, 8vw, 8rem);
    text-align: right;
}

.centered {
    text-align: center;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scrollIndicator {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(12px);
        opacity: 0.5;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes skillSlide {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeInUp var(--transition-slow) forwards;
}

.animate-slide-left {
    animation: slideInLeft var(--transition-slow) forwards;
}

.animate-slide-right {
    animation: slideInRight var(--transition-slow) forwards;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: var(--z-background);
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        var(--overlay-dark) 0%,
        var(--overlay) 40%,
        rgba(17, 17, 17, 0.3) 100%
    );
    z-index: var(--z-content);
}

.hero-content {
    position: absolute;
    bottom: clamp(3rem, 10vh, 6rem);
    left: clamp(1rem, 5vw, 4rem);
    z-index: var(--z-overlay);
    color: #FFFFFF;
}

.hero-name {
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-sm);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.9;
}

.hero-social {
    position: absolute;
    right: clamp(1rem, 3vw, 2rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.hero-social a {
    color: #FFFFFF;
    font-size: 1.25rem;
    opacity: 0.7;
    transition: all var(--transition-base);
    padding: 0.5rem;
}

.hero-social a:hover {
    opacity: 1;
    color: var(--accent);
    transform: scale(1.1);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.scroll-indicator::before {
    content: 'Scroll';
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #FFFFFF;
    opacity: 0.6;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, #FFFFFF, transparent);
    animation: scrollIndicator 2s ease-in-out infinite;
}

/* ---------- Section Headers ---------- */
.section-header {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-xl);
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.section-header.offset-left {
    flex-direction: column;
    align-items: flex-start;
}

.section-header.offset-right {
    flex-direction: column;
    align-items: flex-end;
}

.section-header.centered {
    flex-direction: column;
    align-items: center;
}

/* ---------- Projects Section ---------- */
.projects {
    background-color: var(--bg-primary);
    padding-bottom: var(--space-2xl);
}

.projects-mosaic {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(250px, auto);
    gap: var(--space-md);
    padding: 0 clamp(1rem, 4vw, 4rem);
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: transform var(--transition-slow), box-shadow var(--transition-base);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:nth-child(1) {
    grid-column: span 7;
    grid-row: span 2;
}

.project-card:nth-child(2) {
    grid-column: span 5;
    grid-row: span 1;
}

.project-card:nth-child(3) {
    grid-column: span 5;
    grid-row: span 1;
}

.project-card:nth-child(4) {
    grid-column: span 4;
    grid-row: span 2;
}

.project-card:nth-child(5) {
    grid-column: span 4;
    grid-row: span 1;
}

.project-card:nth-child(6) {
    grid-column: span 4;
    grid-row: span 1;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(17, 17, 17, 0.9) 0%,
        rgba(17, 17, 17, 0.4) 50%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0.8;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-xs);
}

.project-title {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    color: #FFFFFF;
    margin-bottom: var(--space-sm);
}

.project-view {
    font-size: 0.875rem;
    font-weight: 500;
    color: #FFFFFF;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.project-card:hover .project-view {
    opacity: 1;
    transform: translateY(0);
}

.project-view::after {
    content: '\2192';
    transition: transform var(--transition-base);
}

.project-card:hover .project-view::after {
    transform: translateX(5px);
}

/* ---------- Skills Section ---------- */
.skills {
    background-color: var(--bg-secondary);
    padding-bottom: var(--space-2xl);
    overflow: hidden;
}

.skills-container {
    position: relative;
    padding: var(--space-lg) 0;
}

.skills-strip {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) clamp(1rem, 4vw, 4rem);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.skills-strip::-webkit-scrollbar {
    display: none;
}

.skill-card {
    flex-shrink: 0;
    min-width: 160px;
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--border);
    border-radius: 4px;
    background-color: var(--bg-primary);
    text-align: center;
    scroll-snap-align: start;
    opacity: 0;
    transform: translateX(-30px);
    transition: all var(--transition-base);
}

.skill-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.skill-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(217, 119, 6, 0.15);
}

.skill-name {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.skill-category {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* ---------- Experience Section ---------- */
.experience {
    background-color: var(--bg-primary);
    padding-bottom: var(--space-2xl);
}

.experience-layout {
    display: grid;
    grid-template-columns: clamp(150px, 20vw, 280px) 1fr;
    gap: var(--space-xl);
    padding: 0 clamp(1rem, 4vw, 4rem);
}

.experience-label {
    position: sticky;
    top: var(--space-xl);
    height: fit-content;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.experience-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.experience-card {
    position: relative;
    padding: var(--space-lg);
    padding-left: calc(var(--space-lg) + 4px);
    background-color: var(--bg-secondary);
    border-radius: 4px;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.experience-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.experience-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--accent);
    border-radius: 4px 0 0 4px;
}

.experience-card:hover {
    background-color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.experience-role {
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.experience-company {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.experience-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.experience-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- Education Section ---------- */
.education {
    background-color: var(--bg-secondary);
    padding-bottom: var(--space-2xl);
}

.education-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 4rem);
}

.education-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.education-item.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.education-year {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}

.education-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.education-degree {
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    font-weight: 600;
}

.education-institution {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.education-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: var(--space-xs);
}

/* ---------- Contact Section ---------- */
.contact {
    background-color: var(--bg-primary);
    padding: var(--space-2xl) clamp(1rem, 4vw, 4rem);
}

.contact-block {
    background-color: var(--text-primary);
    color: #FFFFFF;
    padding: clamp(3rem, 8vw, 6rem) clamp(2rem, 6vw, 4rem);
    text-align: center;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.contact-block::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(217, 119, 6, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.contact-block .section-number {
    color: var(--accent);
    margin-bottom: var(--space-md);
    display: block;
}

.contact-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.contact-email {
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    font-weight: 500;
    color: #FFFFFF;
    display: inline-block;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
    transition: color var(--transition-base);
}

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

.contact-email::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    position: relative;
    z-index: 1;
}

.contact-social a {
    color: #FFFFFF;
    font-size: 1.5rem;
    opacity: 0.7;
    transition: all var(--transition-base);
    padding: 0.5rem;
}

.contact-social a:hover {
    opacity: 1;
    color: var(--accent);
    transform: translateY(-3px);
}

/* ---------- Footer ---------- */
.footer {
    background-color: var(--text-primary);
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    padding: var(--space-lg);
    font-size: 0.875rem;
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
    .projects-mosaic {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .project-card:nth-child(1) {
        grid-column: span 4;
        grid-row: span 2;
    }
    
    .project-card:nth-child(2) {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .project-card:nth-child(3) {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .project-card:nth-child(4) {
        grid-column: span 3;
        grid-row: span 1;
    }
    
    .project-card:nth-child(5) {
        grid-column: span 3;
        grid-row: span 1;
    }
    
    .project-card:nth-child(6) {
        grid-column: span 6;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .hero-social {
        position: static;
        flex-direction: row;
        justify-content: center;
        transform: none;
        padding: var(--space-md);
        background-color: rgba(17, 17, 17, 0.8);
    }
    
    .hero-content {
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
        width: 90%;
    }
    
    .projects-mosaic {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .project-card:nth-child(n) {
        grid-column: span 1;
        grid-row: span 1;
        min-height: 280px;
    }
    
    .experience-layout {
        grid-template-columns: 1fr;
    }
    
    .experience-label {
        position: static;
        flex-direction: row;
        align-items: baseline;
        justify-content: space-between;
        padding-bottom: var(--space-md);
        border-bottom: 1px solid var(--border);
    }
    
    .education-item {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .education-year {
        font-size: 1.25rem;
    }
    
    .skills-strip {
        padding: var(--space-md);
    }
    
    .skill-card {
        min-width: 140px;
        padding: var(--space-sm) var(--space-md);
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 0.875rem;
    }
    
    .section-header {
        padding-top: var(--space-xl);
        padding-bottom: var(--space-lg);
    }
    
    .offset-left,
    .offset-right {
        padding-left: 1rem;
        padding-right: 1rem;
        text-align: left;
    }
    
    .offset-right {
        align-items: flex-start;
    }
    
    .contact-block {
        padding: 2rem 1.5rem;
    }
    
    .contact-social {
        gap: var(--space-md);
    }
    
    .contact-social a {
        font-size: 1.25rem;
    }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ---------- Focus Styles ---------- */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ---------- Print Styles ---------- */
@media print {
    .hero-social,
    .scroll-indicator,
    .contact-social {
        display: none;
    }
    
    .hero {
        height: auto;
        min-height: 300px;
        page-break-after: always;
    }
    
    .project-card,
    .experience-card,
    .education-item {
        break-inside: avoid;
    }
}