:root {
    --bg: #fafafa;
    --fg: #0a0a0a;
}

[data-theme="inverted"] {
    --bg: #0a0a0a;
    --fg: #fafafa;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Instrument Sans', sans-serif;
    background: var(--bg);
    color: var(--fg);
    transition: background 0.8s ease, color 0.8s ease;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Sun & Pulse Container */
.sun-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

.sun {
    width: 200px;
    height: 200px;
    background: var(--fg);
    border-radius: 50%;
    position: relative;
    animation: heartbeat 2.8s ease-in-out infinite;
    transition: background 0.8s ease;
    opacity: 0.12;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    10% { transform: scale(1.08); }
    20% { transform: scale(1); }
    30% { transform: scale(1.05); }
    40% { transform: scale(1); }
    100% { transform: scale(1); }
}

.pulse-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    border: 1px solid var(--fg);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
    transition: border-color 0.8s ease;
}

.pulse-wave.animate {
    animation: pulseExpand 2s ease-out forwards;
}

@keyframes pulseExpand {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.2;
    }
    100% {
        transform: translate(-50%, -50%) scale(6);
        opacity: 0;
    }
}

/* Theme Toggle */
.toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    background: none;
    border: none;
    font-family: 'Instrument Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--fg);
    padding: 0.5rem 0;
    cursor: pointer;
    border-bottom: 1px solid var(--fg);
    transition: color 0.8s, border-color 0.8s;
}

/* Navigation */
.nav {
    position: fixed;
    top: 2rem;
    left: 2rem;
    z-index: 1000;
    display: flex;
    gap: 2rem;
}

.nav a {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--fg);
    text-decoration: none;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.8s;
    cursor: pointer;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--fg);
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.8s;
}

.nav a:hover::after {
    width: 100%;
}

/* Page Container */
.page {
    position: relative;
    z-index: 1;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.page.hidden {
    opacity: 0;
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

/* Main Page */
#main-page {
    min-height: 100vh;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(2.5rem, 12vw, 10rem);
    line-height: 0.9;
    letter-spacing: -0.03em;
}

.hero-sub {
    margin-top: 2rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0.5;
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.4;
}

/* Section */
.section {
    min-height: 100vh;
    padding: 8rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.section-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    opacity: 0.4;
    margin-bottom: 3rem;
}

/* Works */
.works-list {
    border-top: 1px solid var(--fg);
    max-width: 1000px;
    transition: border-color 0.8s;
    overflow: hidden;
}

.work-item {
    display: grid;
    grid-template-columns: 3rem 1fr auto auto;
    align-items: center;
    gap: 2rem;
    padding: 2rem 1.5rem;
    margin: 0 -1.5rem;
    border-bottom: 1px solid var(--fg);
    text-decoration: none;
    color: var(--fg);
    position: relative;
    overflow: hidden;
    transition: color 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.8s;
    cursor: pointer;
}

.work-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--fg);
    transform: translateX(-101%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.work-item:hover::before {
    transform: translateX(0);
}

.work-item:hover {
    color: var(--bg);
}

.work-num {
    font-size: 0.8rem;
    opacity: 0.3;
    transition: opacity 0.4s;
    padding-left: 1rem;
}

.work-item:hover .work-num {
    opacity: 0.6;
}

.work-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.work-item:hover .work-title {
    transform: translateX(1.5rem) scale(1.02);
}

.work-arrow {
    grid-column: 4 / 5;
    font-size: 2.2rem;
    opacity: 0;
    transform: translateX(-2rem);
    transition: opacity 0.4s, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    margin-right: 1rem;
}

.work-item:hover .work-arrow {
    opacity: 1;
    transform: translateX(-0.5rem);
}

.work-desc {
    grid-column: 3 / 4;
    font-size: 0.85rem;
    opacity: 0;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding-right: 1rem;
    text-align: right;
}

.work-item:hover .work-desc {
    opacity: 0.6;
}

/* About */
.about-text {
    font-size: clamp(1.3rem, 3.5vw, 2.5rem);
    font-weight: 400;
    line-height: 1.5;
    max-width: 800px;
}

.about-text strong {
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.4;
    position: relative;
    z-index: 1;
}

/* Gallery Page */
.gallery-page {
    min-height: 100vh;
    padding: 8rem 2rem 4rem;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
}

.gallery-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(2rem, 8vw, 5rem);
    letter-spacing: -0.02em;
}

.back-btn {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--fg);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--fg);
    cursor: pointer;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    transition: color 0.8s, border-color 0.8s;
}

/* Masonry Grid */
.masonry {
    columns: 4;
    column-gap: 1rem;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.masonry-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.masonry-item:hover img {
    transform: scale(1.05);
}

.masonry-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--fg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.masonry-item:hover::after {
    opacity: 0.1;
}

/* Placeholder for images */
.placeholder {
    background: var(--fg);
    opacity: 0.1;
    transition: opacity 0.3s ease;
}

.masonry-item:hover .placeholder {
    opacity: 0.2;
}

/* Contact Page */
.contact-content {
    max-width: 600px;
}

.contact-text {
    font-size: 1.1rem;
    opacity: 0.6;
    margin-bottom: 3rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--fg);
}

.contact-link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--fg);
    text-decoration: none;
    color: var(--fg);
    position: relative;
    overflow: hidden;
    transition: color 0.4s;
}

.contact-link-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--fg);
    transform: translateX(-101%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.contact-link-item:hover::before {
    transform: translateX(0);
}

.contact-link-item:hover {
    color: var(--bg);
}

.contact-link-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.contact-link-value {
    font-size: 1rem;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-link-item:hover .contact-link-value {
    transform: translateX(-0.5rem);
}

/* Price Section */
.price-section {
    margin-top: 4rem;
}

.price-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.4;
    margin-bottom: 1.5rem;
}

.price-category {
    margin-bottom: 3rem;
}

.price-category-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.price-list {
    border-top: 1px solid var(--fg);
    transition: border-color 0.8s;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--fg);
    transition: border-color 0.8s;
}

.price-name {
    font-size: 1rem;
}

.price-value {
    font-size: 1rem;
    font-weight: 600;
}

.price-note {
    font-size: 0.8rem;
    opacity: 0.5;
    margin-top: 1rem;
    line-height: 1.8;
}

/* Patron Page */
.patron-form {
    margin-top: 2rem;
}

.patron-amount-group,
.patron-type-group {
    margin-bottom: 2rem;
}

.patron-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 0.75rem;
}

.patron-input {
    width: 100%;
    font-family: 'Instrument Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    padding: 1rem;
    background: transparent;
    border: 1px solid var(--fg);
    color: var(--fg);
    transition: border-color 0.3s, background 0.3s;
}

.patron-input:focus {
    outline: none;
    background: var(--fg);
    color: var(--bg);
}

.patron-input::placeholder {
    color: var(--fg);
    opacity: 0.3;
}

.patron-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.patron-type-btn {
    font-family: 'Instrument Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: 1px solid var(--fg);
    color: var(--fg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.patron-type-btn:hover {
    background: var(--fg);
    color: var(--bg);
}

.patron-type-btn.active {
    background: var(--fg);
    color: var(--bg);
}

.patron-submit-btn {
    width: 100%;
    font-family: 'Instrument Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1.5rem 2rem;
    background: var(--fg);
    border: none;
    color: var(--bg);
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 1rem;
}

.patron-submit-btn:hover {
    transform: scale(1.02);
}

.patron-submit-btn:active {
    transform: scale(0.98);
}

.patron-note {
    font-size: 0.75rem;
    opacity: 0.4;
    margin-top: 1rem;
    text-align: center;
}

/* Blog Page */
.blog-list {
    max-width: 800px;
}

.blog-item {
    display: block;
    padding: 2rem 0;
    border-bottom: 1px solid var(--fg);
    text-decoration: none;
    color: var(--fg);
    position: relative;
    transition: color 0.4s, border-color 0.8s;
}

.blog-item:first-child {
    border-top: 1px solid var(--fg);
}

.blog-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2rem;
    right: -2rem;
    bottom: 0;
    background: var(--fg);
    transform: translateX(-101%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.blog-item:hover::before {
    transform: translateX(0);
}

.blog-item:hover {
    color: var(--bg);
}

.blog-date {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

.blog-title {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-item:hover .blog-title {
    transform: translateX(1rem);
}

.blog-excerpt {
    font-size: 0.95rem;
    opacity: 0.6;
    line-height: 1.6;
}

.blog-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.blog-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
    border: 1px solid currentColor;
    opacity: 0.5;
}

.blog-empty {
    text-align: center;
    padding: 4rem 2rem;
    opacity: 0.5;
}

.blog-empty-text {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.blog-empty-sub {
    font-size: 0.85rem;
}

/* App Cards */
.app-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 800px;
}

.app-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--fg);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-card:hover {
    transform: translateY(-8px);
}

.app-card-icon {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 22%;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    transition: box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-card:hover .app-card-icon {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.app-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.app-card-name {
    font-family: 'Archivo Black', sans-serif;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    letter-spacing: -0.01em;
    text-align: center;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img,
.lightbox-content .placeholder {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--fg);
    cursor: pointer;
    transition: color 0.8s;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--fg);
    cursor: pointer;
    padding: 1rem;
    transition: color 0.8s;
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive */
@media (max-width: 1200px) {
    .masonry {
        columns: 3;
    }
}

@media (max-width: 900px) {
    .masonry {
        columns: 2;
    }

    .app-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav {
        top: auto;
        bottom: 2rem;
        left: 50%;
        transform: translateX(-50%);
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .sun {
        width: 150px;
        height: 150px;
    }

    .pulse-wave {
        width: 150px;
        height: 150px;
    }

    .work-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .work-num {
        font-size: 0.7rem;
    }

    .work-arrow {
        display: none;
    }

    .work-desc {
        display: none;
    }

    .section {
        padding: 6rem 1.5rem;
    }

    .scroll-hint {
        display: none;
    }

    .gallery-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .masonry {
        columns: 1;
    }

    .app-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .patron-buttons {
        grid-template-columns: 1fr;
    }

    .price-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

::selection {
    background: var(--fg);
    color: var(--bg);
}