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

:root {
    --black: #1a1a1a;
    --white: #fafafa;
    --gray: #888;
    --light-gray: #e5e5e5;
    --font-size-small: 0.875rem;
    --font-size-base: 1rem;
    --font-size-large: 1.25rem;
    --font-size-xl: 2rem;
    --font-size-xxl: 3.5rem;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.6s ease;
}

body.loaded {
    opacity: 1;
}

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

a:hover {
    opacity: 0.6;
}

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

/* Corner Navigation */
.nav-corner {
    position: fixed;
    z-index: 1000;
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    padding: 1.5rem;
}

.nav-corner.top-left {
    top: 0;
    left: 0;
}

.nav-corner.top-right {
    top: 0;
    right: 0;
}

.nav-corner.bottom-left {
    bottom: 0;
    left: 0;
}

.nav-corner.bottom-right {
    bottom: 0;
    right: 0;
}

.nav-corner a {
    display: block;
    transition: transform var(--transition), opacity var(--transition);
}

.nav-corner.top-left a {
    font-weight: 700;
    font-size: var(--font-size-base);
    letter-spacing: 0.05em;
}

/* Main Content */
main {
    min-height: 100vh;
    padding: 6rem 2rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Home Page */
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 12rem);
    text-align: center;
    will-change: transform, opacity;
}

.hero h1 {
    font-size: var(--font-size-xxl);
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.2s;
}

.hero p {
    font-size: var(--font-size-large);
    color: var(--gray);
    max-width: 600px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.4s;
}

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

/* Scroll reveal animations */
.project-card,
.gallery-item,
.about-text,
.about-image,
.contact-info,
.project-text,
.project-specs,
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.project-card.visible,
.gallery-item.visible,
.about-text.visible,
.about-image.visible,
.contact-info.visible,
.project-text.visible,
.project-specs.visible,
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.project-card {
    position: relative;
    overflow: hidden;
}

.project-card .project-image {
    aspect-ratio: 4/3;
    background-color: var(--light-gray);
    overflow: hidden;
}

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

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

.project-card .project-info {
    padding: 1.5rem 0;
}

.project-card h3 {
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: 0.5rem;
    transition: transform var(--transition);
}

.project-card:hover h3 {
    transform: translateX(10px);
}

.project-card .project-type {
    font-size: var(--font-size-small);
    color: var(--gray);
    transition: transform var(--transition);
}

.project-card:hover .project-type {
    transform: translateX(10px);
}

/* Page Header */
.page-header {
    margin-bottom: 4rem;
    padding-top: 2rem;
    overflow: hidden;
}

.page-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 400;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(100%);
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.1s;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.about-text h2 {
    font-size: var(--font-size-large);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--gray);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image {
    aspect-ratio: 3/4;
    background-color: var(--light-gray);
    overflow: hidden;
}

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

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

.about-subtitle {
    font-size: var(--font-size-small);
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem !important;
}

/* CV Sections */
.cv-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--light-gray);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.cv-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.cv-column h3 {
    font-size: var(--font-size-small);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    color: var(--gray);
}

.cv-list {
    list-style: none;
}

.cv-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.cv-year {
    font-size: var(--font-size-small);
    color: var(--gray);
    flex-shrink: 0;
    min-width: 90px;
}

.cv-title {
    font-size: var(--font-size-small);
    flex: 1;
}

.cv-detail {
    font-size: var(--font-size-small);
    color: var(--gray);
}

.skills-group {
    margin-bottom: 1.5rem;
}

.skills-group h4 {
    font-size: var(--font-size-small);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.skills-group p {
    font-size: var(--font-size-small);
    color: var(--gray);
}

/* Contact Page */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.contact-info h2 {
    font-size: var(--font-size-large);
    font-weight: 500;
    margin-bottom: 2rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info a {
    border-bottom: 1px solid var(--black);
    padding-bottom: 2px;
    transition: padding-bottom var(--transition), opacity var(--transition);
}

.contact-info a:hover {
    opacity: 0.6;
    padding-bottom: 4px;
}

.contact-details {
    margin-top: 3rem;
}

.contact-details h3 {
    font-size: var(--font-size-small);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    color: var(--gray);
}

/* Project Detail Page */
.project-detail {
    padding-top: 2rem;
}

.project-hero {
    margin-bottom: 4rem;
}

.project-hero h1 {
    font-size: var(--font-size-xxl);
    font-weight: 300;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.2s;
}

.project-hero .project-meta {
    font-size: var(--font-size-small);
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.4s;
}

.project-main-image {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: var(--light-gray);
    margin-bottom: 4rem;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

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

.project-main-image:hover img {
    transform: scale(1.02);
}

.project-description {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.project-specs h3 {
    font-size: var(--font-size-small);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    color: var(--gray);
}

.project-specs ul {
    list-style: none;
}

.project-specs li {
    margin-bottom: 0.5rem;
    font-size: var(--font-size-small);
}

.project-text p {
    margin-bottom: 1.5rem;
    font-size: var(--font-size-base);
    line-height: 1.8;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-gallery .gallery-item {
    aspect-ratio: 4/3;
    background-color: var(--light-gray);
    overflow: hidden;
}

.project-gallery .gallery-item.full-width {
    grid-column: span 2;
    aspect-ratio: 21/9;
}

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

.project-gallery .gallery-item:hover img {
    transform: scale(1.03);
}

/* Back Link */
.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    position: relative;
    padding-left: 20px;
}

.back-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 12px;
    height: 1px;
    background: var(--black);
    transition: width var(--transition);
}

.back-link:hover::before {
    width: 16px;
}

/* Responsive */
@media (max-width: 1024px) {
    .projects-grid {
        gap: 2rem;
    }

    .about-content,
    .contact-content,
    .project-description,
    .cv-section {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-corner {
        padding: 1rem;
        font-size: 0.75rem;
    }

    main {
        padding: 5rem 1.5rem;
    }

    .hero h1 {
        font-size: var(--font-size-xl);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-gallery {
        grid-template-columns: 1fr;
    }

    .project-gallery .gallery-item.full-width {
        grid-column: span 1;
        aspect-ratio: 16/9;
    }

    .project-hero h1 {
        font-size: var(--font-size-xl);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 4rem;
}

.mb-4 {
    margin-bottom: 4rem;
}

/* Active nav state */
.nav-corner a.active {
    opacity: 0.5;
}

/* Selection color */
::selection {
    background: var(--black);
    color: var(--white);
}

/* Image Modal */
.image-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    cursor: zoom-out;
}

.image-modal.active {
    opacity: 1;
    visibility: visible;
}

.image-modal img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    transform: scale(0.95);
    transition: transform var(--transition);
}

.image-modal.active img {
    transform: scale(1);
}

.image-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.image-modal-close::before,
.image-modal-close::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 1px;
    background: var(--white);
    transition: transform var(--transition);
}

.image-modal-close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.image-modal-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.image-modal-close:hover::before,
.image-modal-close:hover::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

/* Clickable images cursor */
.gallery-item img,
.project-main-image img {
    cursor: zoom-in;
}

/* Footer */
.site-footer {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem;
    font-size: 0.7rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    z-index: 999;
}

.site-footer a {
    color: var(--gray);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), color var(--transition);
}

.site-footer a:hover {
    color: var(--black);
    border-bottom-color: var(--black);
    opacity: 1;
}