/* ============================================
   COMPRESSION — CSS-Only Kinetic Portfolio
   TM-620
   https://templatemo.com/tm-620-compression
   Design: TemplateMo
   ============================================ */

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

:root {
    --off-white: #F0F0F0;
    --carbon: #1A1A1A;
    --graphite: #2C2C2C;
    --steel: #4A4A4A;
    --ash: #6B6B6B;
    --neon-chartreuse: #DFFF00;
    --seam: #111111;
    --font-spine: 'Anton', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --ease-heavy: cubic-bezier(0.77, 0, 0.175, 1);
    --duration: 0.8s;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    background: var(--carbon);
    color: var(--off-white);
    overflow: hidden;
    overflow-x: hidden;
    height: 100vh;
    width: 100%;
}

/* --- THE TRACK --- */
main.track {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    gap: 0;
}

/* --- THE SLICES --- */
article.panel {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-right: 1px solid var(--seam);
    border-radius: 0;
    transition: flex var(--duration) var(--ease-heavy);
}

article.panel:last-child {
    border-right: none;
}

.panel__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.panel__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 0;
    filter: brightness(0.4) grayscale(100%);
    transform: scale(1.05);
    transition:
        filter var(--duration) var(--ease-heavy),
        transform var(--duration) var(--ease-heavy);
}

.panel__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(26, 26, 26, 0.5) 0%,
        transparent 30%,
        transparent 60%,
        rgba(26, 26, 26, 0.6) 100%
    );
    z-index: 2;
    transition: opacity var(--duration) var(--ease-heavy);
}

/* Panel index */
.panel__index {
    position: absolute;
    top: 42px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--off-white);
    opacity: 0.35;
    transition: opacity var(--duration) var(--ease-heavy);
    white-space: nowrap;
}

/* --- THE SPINE --- */
.spine {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%) rotate(180deg);
    z-index: 10;
    writing-mode: vertical-rl;
    font-family: var(--font-spine);
    font-size: clamp(2rem, 4vw, 3.5rem);
    text-transform: uppercase;
    color: var(--off-white);
    letter-spacing: 0.05em;
    line-height: 1;
    white-space: nowrap;
    opacity: 1;
    transition:
        opacity 0.4s var(--ease-heavy),
        transform 0.4s var(--ease-heavy);
    pointer-events: none;
}

/* --- THE DETAILS --- */
.details {
    position: absolute;
    bottom: 48px;
    left: 48px;
    right: 48px;
    z-index: 10;
    opacity: 0;
    transform: translateX(-30px);
    transition:
        opacity 0.5s var(--ease-heavy) 0.15s,
        transform 0.5s var(--ease-heavy) 0.15s;
    pointer-events: none;
}

.details__category {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--neon-chartreuse);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.details__category::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--neon-chartreuse);
}

.details__title {
    font-family: var(--font-spine);
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    text-transform: uppercase;
    color: var(--off-white);
    line-height: 0.95;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.details__meta {
    display: flex;
    gap: 32px;
    margin-bottom: 28px;
}

.details__meta-item {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
}

.details__meta-label {
    color: var(--steel);
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.details__meta-value {
    color: var(--off-white);
}

.details__description {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.7;
    color: rgba(240, 240, 240, 0.6);
    max-width: 420px;
    margin-bottom: 32px;
}

.btn-view {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--neon-chartreuse);
    color: var(--carbon);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 0;
    border: none;
    cursor: pointer;
    transition:
        background 0.3s var(--ease-heavy),
        transform 0.3s var(--ease-heavy);
}

.btn-view:hover {
    background: var(--off-white);
    transform: translateX(4px);
}

.btn-view svg {
    width: 14px;
    height: 14px;
    transition: transform 0.3s var(--ease-heavy);
}

.btn-view:hover svg {
    transform: translateX(4px);
}

/* ===========================================
   COMPRESSION ENGINE — HOVER STATES
   =========================================== */

main.track:hover > article.panel {
    flex: 1;
}

main.track > article.panel:hover {
    flex: 6;
}

article.panel:hover .panel__bg img {
    filter: brightness(0.85) grayscale(0%);
    transform: scale(1);
}

article.panel:hover .spine {
    opacity: 0.2;
    transform: translateX(-50%) rotate(180deg) translateY(-20px);
}

article.panel:hover .details {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

main.track:hover > article.panel .panel__index {
    opacity: 0;
}

article.panel:hover .panel__index {
    opacity: 0.35 !important;
}

/* ===========================================
   GLOBAL HEADER
   =========================================== */
.global-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 22px 36px 0;
    height: 140px;
    background: linear-gradient(
        180deg,
        rgba(26, 26, 26, 0.9) 0%,
        rgba(26, 26, 26, 0.5) 40%,
        rgba(26, 26, 26, 0.15) 70%,
        transparent 100%
    );
    pointer-events: none;
}

.logo {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--off-white);
    pointer-events: auto;
    text-decoration: none;
}

.logo span {
    color: var(--neon-chartreuse);
    font-weight: 400;
}

.nav {
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: auto;
}

.nav a {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(240, 240, 240, 0.5);
    text-decoration: none;
    padding: 8px 14px;
    border: 1px solid transparent;
    transition:
        color 0.3s var(--ease-heavy),
        border-color 0.3s var(--ease-heavy);
}

.nav a:hover {
    color: var(--neon-chartreuse);
    border-color: rgba(223, 255, 0, 0.3);
}

/* ===========================================
   CSS-ONLY MODALS (:target)
   =========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(26, 26, 26, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.5s var(--ease-heavy),
        visibility 0s linear 0.5s;
}

.modal-overlay:target {
    opacity: 1;
    visibility: visible;
    transition:
        opacity 0.5s var(--ease-heavy),
        visibility 0s linear 0s;
}

.modal-overlay:target .modal__content {
    opacity: 1;
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: 28px;
    right: 36px;
    z-index: 10;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--off-white);
    font-family: var(--font-mono);
    font-size: 1.4rem;
    border: 1px solid var(--steel);
    border-radius: 0;
    transition:
        border-color 0.3s var(--ease-heavy),
        color 0.3s var(--ease-heavy);
}

.modal__close:hover {
    border-color: var(--neon-chartreuse);
    color: var(--neon-chartreuse);
}

.modal__content {
    max-width: 680px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.5s var(--ease-heavy) 0.1s,
        transform 0.5s var(--ease-heavy) 0.1s;
    scrollbar-width: thin;
    scrollbar-color: var(--steel) transparent;
}

.modal__content::-webkit-scrollbar {
    width: 4px;
}

.modal__content::-webkit-scrollbar-track {
    background: transparent;
}

.modal__content::-webkit-scrollbar-thumb {
    background: var(--steel);
    border-radius: 0;
}

.modal__content::-webkit-scrollbar-thumb:hover {
    background: var(--ash);
}

.modal__label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--neon-chartreuse);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal__label::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--neon-chartreuse);
}

.modal__heading {
    font-family: var(--font-spine);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    text-transform: uppercase;
    color: var(--off-white);
    line-height: 0.95;
    margin-bottom: 36px;
}

.modal__text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.9;
    color: rgba(240, 240, 240, 0.6);
    margin-bottom: 24px;
}

.modal__text strong {
    color: var(--off-white);
    font-weight: 700;
}

.modal__text a {
    color: var(--off-white);
    text-decoration: none;
    border-bottom: 1px solid var(--steel);
    padding-bottom: 2px;
    transition: border-color 0.3s var(--ease-heavy);
}

.modal__text a:hover {
    border-color: var(--neon-chartreuse);
}

.modal__divider {
    width: 48px;
    height: 1px;
    background: var(--steel);
    margin: 36px 0;
    border: none;
}

/* Work modal — project list */
.modal__project-list {
    list-style: none;
    padding: 0;
}

.modal__project-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 18px 0;
    border-bottom: 1px solid rgba(74, 74, 74, 0.3);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.modal__project-list li:first-child {
    border-top: 1px solid rgba(74, 74, 74, 0.3);
}

.modal__project-name {
    color: var(--off-white);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.modal__project-year {
    color: var(--steel);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
}

/* Contact modal — grid */
.modal__contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 40px;
}

.modal__contact-item {
    font-family: var(--font-mono);
}

.modal__contact-label {
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 8px;
}

.modal__contact-value {
    font-size: 0.8rem;
    color: var(--off-white);
}

.modal__contact-value a {
    color: var(--off-white);
    text-decoration: none;
    border-bottom: 1px solid var(--steel);
    padding-bottom: 2px;
    transition: border-color 0.3s var(--ease-heavy);
}

.modal__contact-value a:hover {
    border-color: var(--neon-chartreuse);
}

/* --- BOTTOM STRIP --- */
.global-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 36px;
    pointer-events: none;
    background: linear-gradient(
        0deg,
        rgba(26, 26, 26, 0.6) 0%,
        transparent 100%
    );
}

.footer__credit {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(240, 240, 240, 0.3);
    pointer-events: auto;
}

.footer__credit a {
    color: rgba(240, 240, 240, 0.5);
    text-decoration: none;
}

.footer__scroll-hint {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(240, 240, 240, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer__scroll-hint::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background: rgba(240, 240, 240, 0.3);
}

/* --- ENTRANCE ANIMATION --- */
@keyframes sliceIn {
    0% { transform: scaleX(0); opacity: 0; }
    100% { transform: scaleX(1); opacity: 1; }
}

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

article.panel {
    transform-origin: left center;
    animation: sliceIn 1s var(--ease-heavy) both;
}

article.panel:nth-child(1) { animation-delay: 0.05s; }
article.panel:nth-child(2) { animation-delay: 0.15s; }
article.panel:nth-child(3) { animation-delay: 0.25s; }
article.panel:nth-child(4) { animation-delay: 0.35s; }
article.panel:nth-child(5) { animation-delay: 0.45s; }

.global-header,
.global-footer {
    animation: fadeUp 0.6s var(--ease-heavy) 0.7s both;
}

.spine {
    animation: fadeUp 0.5s var(--ease-heavy) backwards;
}

article.panel:nth-child(1) .spine { animation-delay: 0.6s; }
article.panel:nth-child(2) .spine { animation-delay: 0.7s; }
article.panel:nth-child(3) .spine { animation-delay: 0.8s; }
article.panel:nth-child(4) .spine { animation-delay: 0.9s; }
article.panel:nth-child(5) .spine { animation-delay: 1.0s; }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    main.track {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }

    article.panel {
        flex: none !important;
        width: 100%;
        height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--seam);
    }

    article.panel:last-child {
        border-bottom: none;
    }

    .panel__bg img {
        filter: brightness(0.7) grayscale(0%) !important;
        transform: scale(1) !important;
    }

    .spine { display: none; }

    .panel__index {
        opacity: 0.35 !important;
        top: 20px;
        font-size: 0.55rem;
    }

    .details {
        opacity: 1 !important;
        transform: none !important;
        pointer-events: auto !important;
        bottom: 24px;
        left: 24px;
        right: 24px;
    }

    .details__title { font-size: 1.8rem; }
    .details__description { display: none; }

    .global-header {
        padding: 16px 20px 0;
        height: 80px;
        align-items: flex-start;
    }

    .global-footer { display: none; }

    .nav a {
        padding: 6px 10px;
        font-size: 0.55rem;
    }

    body {
        overflow-y: auto;
        overflow-x: hidden;
        height: auto;
    }

    .modal__content { padding: 40px 24px; }
    .modal__contact-grid { grid-template-columns: 1fr; }

    .modal-overlay {
        align-items: flex-start;
    }

    .modal__content {
        max-height: 100vh;
        margin-top: 40px;
        padding-bottom: 60px;
    }

    .modal__close {
        top: 20px;
        right: 50px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}