/* ── TOKENS ── */
:root {
    --color-bg: #0f172a;
    --color-bg-card: rgba(0, 0, 0, 0.65);
    --color-bg-card-hover: rgba(0, 0, 0, 0.85);
    --color-text-primary: #D4E6EE;
    --color-text-heading: #F7F2E4;
    --color-text-muted: #D4E6EE;
    --color-text-subtle: #D4E6EE;
    --color-accent: #90E4C2;
    --color-accent-light: #A0AECB;
    --color-accent-bg: rgba(139, 158, 196, 0.15);
    --color-link: #3B6B42;
    --color-focus: #7C8C5A;

    --font-family: 'Lora', Georgia, 'Times New Roman', serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2.5rem;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    --max-width: 1280px;
    --sidebar-width: 48%;
    --content-width: 52%;

    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
    --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 700ms ease;
}


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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--space-20);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.32), 0px 0px 8px rgba(0, 0, 0, 0.2);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    image-rendering: pixelated;
    transition: background 0.5s ease;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

img,
video {
    display: block;
    max-width: 100%;
}

address {
    font-style: normal;
}


/* ── ACCESSIBILITY ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 100;
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 3px;
    border-radius: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}


/* ── LAYOUT ── */
.site-wrapper {
    width: 100%;
    min-height: 100vh;
}

.site-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 768px) {
    .site-container {
        padding: 0 var(--space-12);
    }
}

@media (min-width: 1024px) {
    .site-container {
        display: flex;
        justify-content: space-between;
        gap: var(--space-4);
    }
}


/* ── SIDEBAR ── */
.sidebar {
    padding-top: var(--space-20);
}

@media (min-width: 1024px) {
    .sidebar {
        position: sticky;
        top: 0;
        display: flex;
        max-height: 100vh;
        width: var(--sidebar-width);
        flex-direction: column;
        justify-content: space-between;
    }
}

.site-name {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-heading);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.site-title {
    margin-top: var(--space-3);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-heading);
}

.site-tagline {
    margin-top: var(--space-4);
    max-width: 20rem;
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.inline-link {
    color: var(--color-text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-base);
}

.inline-link:hover,
.inline-link:focus-visible {
    text-decoration-color: var(--color-accent);
    color: var(--color-accent);
}


/* ── NAV ── */
.sidebar-nav {
    display: none;
    padding-top: var(--space-10);
    flex-direction: column;
    gap: var(--space-2);
}

@media (min-width: 1024px) {
    .sidebar-nav {
        display: flex;
    }
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-heading);
}

/* Expanding indicator line */
.nav-indicator {
    display: inline-block;
    width: 2rem;
    height: 1px;
    background: var(--color-text-muted);
    transition: width var(--transition-base), background var(--transition-base);
}

.nav-link:hover .nav-indicator,
.nav-link.active .nav-indicator {
    width: 4rem;
    background: var(--color-text-heading);
}


/* ── SOCIAL LINKS ── */
.social-links {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-10);
    padding: 0;
}

.social-link {
    display: inline-flex;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.social-link:hover,
.social-link:focus-visible {
    color: var(--color-accent);
}

.social-icon {
    width: 1.5rem;
    height: 1.5rem;
}


/* ── MAIN CONTENT ── */
.content {
    padding-bottom: var(--space-20);
}

@media (min-width: 1024px) {
    .content {
        width: var(--content-width);
    }
}


/* ── SECTIONS ── */
.section {
    padding-top: var(--space-20);
}

/* Mobile-only section headings (desktop uses nav) */
.section-heading-mobile {
    display: block;
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-heading);
}

@media (min-width: 768px) {
    .section-heading-mobile {
        display: none;
    }
}


/* ── ABOUT ── */
.about-text p {
    margin-bottom: var(--space-4);
    color: var(--color-text-muted);
    line-height: 1.7;
}

.text-highlight {
    color: var(--color-text-heading);
    font-weight: 600;
}


/* ── CARD GROUP ── */
.card-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

/* Dim siblings on hover */
.card-group:hover .card-link {
    opacity: 0.5;
}

.card-group .card-link:hover,
.card-group .card-link:focus-within {
    opacity: 1;
}


/* ── CARDS ── */
.card-link {
    display: block;
    position: relative;
    margin: 0 calc(-1 * var(--space-4));
    padding: var(--space-3);
    border-radius: 0;
    border: 0;
    background: var(--color-bg-card);
    transition: background var(--transition-base),
        box-shadow var(--transition-base),
        opacity var(--transition-base),
        border-color var(--transition-base);
    cursor: pointer;
}

.card-link::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    border: 1px solid transparent;
    box-shadow: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

@media (min-width: 768px) {
    .card-link {
        margin: 0 calc(-1 * var(--space-5));
        padding: var(--space-6);
    }
}

.card-link:hover {
    background: var(--color-bg-card);
    box-shadow: var(--shadow-card);
}

.card-link:hover::before {
    border-color: var(--color-link);
    box-shadow:
        -4px -4px 0 0 var(--color-link),
         4px -4px 0 0 var(--color-link),
        -4px  4px 0 0 var(--color-link),
         4px  4px 0 0 var(--color-link);
}

.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
}

@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: 3fr 9fr;
        gap: var(--space-4);
    }
}

.card-grid--project {
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .card-grid--project {
        grid-template-columns: 131px 1fr;
        gap: var(--space-8);
    }
}

.card-date {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-subtle);
    margin-top: 2px;
    white-space: nowrap;
}

.card-title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-heading);
    line-height: 1.4;
    transition: color var(--transition-base);
}

.card-link:hover .card-title,
.card-link:focus-visible .card-title {
    color: var(--color-accent);
}

.arrow-icon {
    width: 0.875rem;
    height: 0.875rem;
    flex-shrink: 0;
    transform: translateY(2px) translateX(-2px);
    transition: transform var(--transition-base);
}

.card-link:hover .arrow-icon {
    transform: translateY(-2px) translateX(2px);
}

.card-description {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}


/* ── TAGS ── */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-top: var(--space-5);
    padding: 0;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--color-accent-bg);
    color: var(--color-accent-light);
    font-size: var(--font-size-xs);
    font-weight: 500;
    line-height: 1.6;
    white-space: nowrap;
}


/* ── PROJECT MEDIA ── */
.project-media {
    position: relative;
    width: 100%;
    height: 250px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: var(--space-2);
}

@media (min-width: 768px) {
    .project-media {
        width: 131px;
        height: 100px;
    }
}

.project-media img,
.project-media video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: opacity var(--transition-slow);
}

/* Cycling images — JS toggles opacity/z-index */
.project-media img:not(:first-child) {
    opacity: 0;
    z-index: 0;
}

.project-media img:first-child {
    opacity: 1;
    z-index: 10;
}


/* ── RÉSUMÉ LINK ── */
.resume-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-heading);
    transition: color var(--transition-base);
    margin-top: var(--space-2);
}

.resume-link:hover,
.resume-link:focus-visible {
    color: var(--color-accent);
}

.resume-link .arrow-icon {
    transform: translateY(2px) translateX(-2px);
}

.resume-link:hover .arrow-icon {
    transform: translateY(-2px) translateX(2px);
}


/* ── CONTACT ── */
.section--contact {
    margin-top: var(--space-20);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    transition: color var(--transition-base);
}

.contact-link:hover,
.contact-link:focus-visible {
    color: var(--color-accent);
}

.contact-icon {
    width: 1.2em;
    height: 1.2em;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.contact-link:hover .contact-icon {
    transform: translateY(-2px) translateX(2px);
}


/* ── FOOTER ── */
.site-footer {
    max-width: 28rem;
    padding: var(--space-16) 0 var(--space-16);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

@media (min-width: 640px) {
    .site-footer {
        padding-bottom: 0;
    }
}

.footer-link {
    color: var(--color-text-heading);
    font-weight: 500;
    transition: color var(--transition-base);
}

.footer-link:hover,
.footer-link:focus-visible {
    color: var(--color-accent);
}


/* ── REDUCED MOTION (WCAG 2.3.3) ── */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ── PARALLAX BACKGROUNDS ── */
@keyframes parallax-bg-1 {
    from {
        background-position-x: 0, 0, 0, 0;
    }

    to {
        background-position-x: -1920px, -1920px, -3840px, -5760px;
    }
}

.bg-1 {
    background-image:
        url('bg1/grass%20with%20more%20detail%20and%20has%20flowers.png'),
        url('bg1/plain%20green.png'),
        url('bg1/clouds.png'),
        url('bg1/sky%20with%20some%20clouds.png');
    background-repeat: repeat-x;
    animation: parallax-bg-1 320s linear infinite;
}

@keyframes parallax-bg-2 {
    from {
        background-position-x: 0, 0, 0, 0, 0;
    }

    to {
        background-position-x: -1920px, -1920px, -3840px, -5760px, 0;
    }
}

.bg-2 {
    background-image:
        url('bg2/grass%20with%20more%20detail%20with%20flowers%20and%20a%20tree.png'),
        url('bg2/plain%20grass.png'),
        url('bg2/clouds.png'),
        url('bg2/tiny%20cloud.png'),
        url('bg2/plain%20sky(i%20dont%20think%20this%20should%20move).png');
    background-repeat: repeat-x;
    animation: parallax-bg-2 320s linear infinite;
}

@keyframes parallax-bg-3 {
    from {
        background-position-x: 0, 0, 0, 0;
    }

    to {
        background-position-x: -1920px, -1920px, -3840px, -5760px;
    }
}

.bg-3 {
    background-image:
        url('bg3/grass%20with%20more%20detail%20and%20has%20flowers.png'),
        url('bg3/plain%20grass.png'),
        url('bg3/hill.png'),
        url('bg3/clouds.png');
    background-repeat: repeat-x;
    animation: parallax-bg-3 320s linear infinite;
}