/* ==========================================================================
           2. VERTICAL PHOTO STREAMS COMPONENT STYLES
           ========================================================================== */

.hero-slider-bg {
    position: absolute;
    top: 0;
    right: 5%;
    bottom: 0;
    width: 320px;
    display: flex;
    gap: 1rem;
    overflow: hidden;
    z-index: 2;
    pointer-events: none;
    /* Allows clicks to pass through to elements underneath */
    opacity: 0.50;
    /* Subtle aesthetic background blend */
    mix-blend-mode: luminosity;
    /* Modern monochrome blending */
    user-select: none;

    /* Gradient fade mask on top & bottom edges */
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
}

/* Light theme support */
[data-theme="light"] .hero-slider-bg {
    opacity: 0.15;
}

/* Individual Vertical Column Track */
.hero-slider-track {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    will-change: transform;
}

/* Upward scrolling column */
.hero-slider-track.track-up {
    animation: scrollTrackUp 32s linear infinite;
}

/* Downward scrolling column */
.hero-slider-track.track-down {
    animation: scrollTrackDown 32s linear infinite;
}

/* Optional: Pause stream on hover */
.hero-slider-bg:hover .hero-slider-track {
    animation-play-state: paused;
}

/* Card / Image Container */
.hero-slider-img-wrap {
    width: 145px;
    height: 200px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.03);
    flex-shrink: 0;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Image Styling */
.hero-slider-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: grayscale(100%) contrast(1.1) brightness(0.85);
    transition: filter 0.3s ease, transform 0.3s ease;
}

/* ==========================================================================
           3. KEYFRAME ANIMATIONS (Infinite Linear Seamless Loop)
           ========================================================================== */

@keyframes scrollTrackUp {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-50%);
        /* Moves exactly half the height (first set of images) */
    }
}

@keyframes scrollTrackDown {
    0% {
        transform: translateY(-50%);
    }

    100% {
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .hero-slider-bg {
        right: 2%;
        width: 160px;
        opacity: 0.18;
    }

    /* Hide the second track on smaller screens for cleaner layout */
    .hero-slider-track:first-child {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-slider-bg {
        opacity: 0.12;
    }
}

/* 1. Canvas Styling */
#particle-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* 2. Custom Cursor Styling */
.custom-cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.2s ease, transform 0.1s ease;
}

.custom-cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1),
        height 0.25s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.25s ease,
        border-color 0.25s ease,
        opacity 0.25s ease;
}

.cursor-hover .custom-cursor-outline {
    width: 62px;
    height: 62px;
    background-color: rgba(255, 255, 255, 0.08);
    border-color: #3b82f6;
}

.cursor-hover .custom-cursor-dot {
    transform: translate(-50%, -50%) scale(1.4);
    background-color: #3b82f6;
}

@media (max-width: 1024px),
(hover: none),
(pointer: coarse) {

    .custom-cursor-dot,
    .custom-cursor-outline {
        display: none !important;
    }
}



:root {
    --font-editorial: "Instrument Serif", "Times New Roman", Times, serif;
    --font-sans: "DM Sans", system-ui, sans-serif;
    --font-heading-2: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
    --bg-ink: #121212;
    --bg-soft: #eceae4;
    --text-ink: #141414;
    --text-muted: #5c5c5c;
    --accent: #d6ef4a;
    --card-1: #d6ef4a;
    --card-2: #f4f4f2;
    --card-3: #6db5a8;
    --card-4: #e8d5c4;
    --card-5: #c8b8e8;
    --card-6: #5b925d;
    --bg: #09090b;
    --bg-alt: #121215;
    --bg-card: rgba(24, 24, 27, 0.65);
    --bg-card-hover: rgba(39, 39, 42, 0.75);
    --fg: #fafafa;
    --fg-muted: #a1a1aa;
    --fg-subtle: #71717a;
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.22);
    --border-glow: rgba(255, 255, 255, 0.4);
    --accent: #3b82f6;
    --badge-bg: rgba(255, 255, 255, 0.06);
    --badge-border: rgba(255, 255, 255, 0.12);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
}



/* ——— Stack ——— */
.stack {
    position: relative;
    color: #fff;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(1.75rem, 4vh, 2.75rem) 1.25rem clamp(2rem, 5vh, 3.5rem);
}

.stack__header {
    flex-shrink: 0;
    text-align: center;
    z-index: 20;
    pointer-events: none;
    margin-bottom: clamp(1.5rem, 5vh, 3.5rem);
    margin-top: 2rem;
}

.stack__header h2 {
    font-family: var(--heading);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
}

.stack__stage {
    position: relative;
    width: min(1100px, 100%);
    flex: 0 0 auto;
    margin-top: auto;
    margin-bottom: auto;
}

.stack__deck {
    position: relative;
    width: 100%;
    height: min(62vh, 540px);
}

.card {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(1rem, 3vw, 2.5rem);
    padding: clamp(1.25rem, 3vw, 2.25rem);
    border-radius: 2px;
    transform-origin: center top;
    will-change: transform;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.card[data-tone="1"] {
    background: var(--card-1);
    color: var(--text-ink);
}

.card[data-tone="2"] {
    background: var(--card-2);
    color: var(--text-ink);
}

.card[data-tone="3"] {
    background: var(--card-3);
    color: var(--text-ink);
}

.card[data-tone="4"] {
    background: var(--card-4);
    color: var(--text-ink);
}

.card[data-tone="5"] {
    background: var(--card-5);
    color: var(--text-ink);
}

.card[data-tone="6"] {
    background: var(--card-6);
    color: var(--text-ink);
}

.card__content {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.card__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.65rem;
}

.card__title {
    font-family: var(--font-editorial);
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: 1;
    letter-spacing: -0.02em;
}

.card__index {
    font-family: var(--font-editorial);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    opacity: 0.35;
    line-height: 1;
    flex-shrink: 0;
}

.card__lede {
    font-size: clamp(0.85rem, 1.4vw, 1rem);
    line-height: 1.45;
    opacity: 0.75;
    margin-bottom: auto;
    display: flex;
    gap: 0.5rem;
}

.card__body {
    font-size: clamp(0.8rem, 1.2vw, 0.92rem);
    line-height: 1.55;
    max-width: 36ch;
    opacity: 0.85;
    margin: 1.5rem 0 1.25rem;
}

.card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    align-self: flex-start;
    background: #111;
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.55rem 0.55rem 0.55rem 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.25s ease;
}

.card__cta:hover {
    transform: translateY(-1px);
}

.card__cta-arrow {
    display: grid;
    place-items: center;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--accent);
    color: #111;
    font-size: 0.95rem;
}

.card__media {
    position: relative;
    min-height: 0;
    display: flex;
    justify-content: flex-end;
    align-items: stretch;
}

.card__frame {
    width: min(100%, 260px);
    height: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #1a1a1a;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

.card__frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.card__lede .tag {
    color: #000000;
}

@media (max-width: 768px) {
    .stack__header {
        margin-bottom: clamp(1.75rem, 5vh, 2.75rem);
    }

    .card {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .card__media {
        order: -1;
        height: 36%;
        min-height: 130px;
    }

    .card__frame {
        width: 100%;
        aspect-ratio: auto;
    }

    .card__body {
        margin: 1rem 0;
    }

    .stack__deck {
        height: min(68vh, 580px);
    }
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
    display: block;
}



/* projects section  */
/* Projects Grid & Cards */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.project-section-head {
    margin: 0 0 2.5rem;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1100px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.project-thumb-wrap {
    position: relative;
    width: 100%;
    height: 230px;
    overflow: hidden;
    background-color: #000;
}

.project-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-thumb {
    transform: scale(1.06);
}

.project-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.project-cat {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.project-year {
    font-size: 0.78rem;
    color: var(--fg-subtle);
}

.project-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--fg);
}

.project-card-desc {
    font-size: 0.92rem;
    color: var(--fg-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.tech-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    background-color: var(--badge-bg);
    border: 1px solid var(--badge-border);
    color: var(--fg-muted);
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--fg);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-full);
    background-color: var(--primary);
    color: var(--primary-fg);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-full);
    background-color: var(--badge-bg);
    border: 1px solid var(--border);
    color: var(--fg);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* Modal Dialog */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background-color: var(--modal-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
}

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

.modal-dialog {
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 680px;
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    padding: 2.25rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    transform: scale(0.94) translateY(20px);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-dialog {
    transform: scale(1) translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--badge-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-muted);
}

.modal-close-btn:hover {
    color: var(--fg);
    background-color: var(--bg-card-hover);
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    margin-top: 0.25rem;
}

.modal-img-wrap {
    width: 100%;
    height: 280px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    background-color: #000;
}

.modal-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    color: var(--fg-muted);
    line-height: 1.7;
}

.modal-body strong {
    color: var(--fg);
}

.modal-body em {
    color: var(--fg);
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

.contact-card-banner {
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-alt) 100%);
    padding: 3.5rem 2rem;
    overflow: hidden;
}

.contact-banner-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    font-family: var(--font-heading-2);
    line-height: 1.15;
}

#contact {
    position: relative;
}

#contact::before {
    filter: blur(20px);
    opacity: 0.85;
}

#contact::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: conic-gradient(at 50% 0%, #000 90deg, rgb(211 64 28 / 55%) 180deg, #000 270deg);
    opacity: 0.4;
    pointer-events: none;
}


/* about style  */

/* --- About Grid Layout --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    align-items: center;
}

@media (min-width: 900px) {
    .about-grid {
        grid-template-columns: 360px 1fr;
        gap: 5rem;
    }
}

/* --- Physics Hanging Profile Widget --- */
.hanging-profile-container {
    position: relative;
    width: 300px;
    height: 350px;
    margin: 0 auto;
    user-select: none;
}

.hanging-profile-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
}

.hanging-profile-box {
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -80px;
    width: 160px;
    padding: 1.25rem 1rem;
    border-radius: var(--radius-lg);
    background-color: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    cursor: grab;
    touch-action: none;
    transform-origin: center top;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.hanging-profile-box:active {
    cursor: grabbing;
}

.hanging-profile-box:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.hanging-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 0.75rem;
}

.hanging-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hanging-name {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--fg);
}

.hanging-role {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-subtle);
    text-align:center;
}

.hanging-pin {
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--border-glow);
    background-color: var(--bg);
}

/* --- About Narrative Styles --- */
.about-narrative {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-intro-text {
    font-size: clamp(1.25rem, 2.5vw, 1.65rem);
    font-weight: 600;
    line-height: 1.45;
    color: var(--fg);
}

.about-intro-text strong {
    color: var(--fg);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 4px;
}

.about-intro-text em {
    font-style: normal;
    color: var(--accent);
}



.about-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 0.5rem 0;
}

.info-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    background-color: var(--badge-bg);
    border: 1px solid var(--badge-border);
    font-size: 0.85rem;
    color: var(--fg-muted);
}

/* --- Button Styling --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-full);
    background-color: var(--primary);
    color: var(--primary-fg);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

/* --- Modal Dialog (Full Bio) --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background-color: var(--modal-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
}

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

.modal-dialog {
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 680px;
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    padding: 2.25rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    transform: scale(0.94) translateY(20px);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-dialog {
    transform: scale(1) translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--badge-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-muted);
}

.modal-close-btn:hover {
    color: var(--fg);
    background-color: var(--bg-card-hover);
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: 1.5rem;
}

.project-cat {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    margin-top: 0.25rem;
}

.modal-subtitle {
    font-size: 0.95rem;
    color: var(--fg-muted);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    color: var(--fg-muted);
    line-height: 1.7;
}

.modal-body strong {
    color: var(--fg);
}

.modal-body em {
    color: var(--fg);
}