@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

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

html {
    scrollbar-color: #444444 var(--dark);
    scrollbar-width: thin;
    scroll-padding-top: 80px;
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: #444444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #666666;
}

html.lenis, html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

:root {
    --light: #FFFFFF;
    --dark: #1F1F1F;

    /* fluid type scale */
    --fs-nav-title: clamp(1.1rem, 0.6vw + 1rem, 1.6rem);
    --fs-nav-link: clamp(0.9rem, 0.3vw + 0.82rem, 1.1rem);
    --fs-greeting: clamp(1.1rem, 0.7vw + 1rem, 1.8rem);
    --fs-name: clamp(3.25rem, 4.5vw + 1.75rem, 8.5rem);
    --fs-subtitle: clamp(0.9rem, 0.35vw + 0.8rem, 1.3rem);
    --fs-body: clamp(1rem, 0.25vw + 0.95rem, 1.2rem);
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--dark);
    overflow-x: hidden;
    overflow-x: clip;
}

/* animated background glow */
body::before {
    content: "";
    position: fixed;
    inset: -50%;
    z-index: -1;

    background:
        radial-gradient(
            circle at 20% 30% in oklch,
            color-mix(in srgb, var(--light) 5%, transparent) 0%,
            transparent 20%
        ),
        radial-gradient(
            circle at 80% 70% in oklch,
            color-mix(in srgb, var(--light) 5%, transparent) 0%,
            transparent 15%
        ),
        radial-gradient(
            circle at 50% 50% in oklch,
            color-mix(in srgb, var(--light) 5%, transparent) 0%,
            transparent 30%
        );

    animation: moveBackground 15s ease-in-out infinite alternate;
}

@keyframes moveBackground {
    0% {
        transform: translate(-5%, -5%) scale(1);
    }

    50% {
        transform: translate(5%, 5%) scale(1.3);
    }

    100% {
        transform: translate(-5%, 5%) scale(1);
    }
}

/* invisible expanded tap/click area for every button and link on the
   site. A real element rather than ::before/::after, since some browsers
   (Safari in particular) don't support generated content on <button>
   elements - this way it works everywhere and never changes how anything
   looks, it just makes the clickable area bigger than the visible shape. */
.tap-target {
    position: absolute;
    inset: -10px -8px;
}

.sticky-bar a .tap-target {
    inset: -12px -6px;
}

#projects .project-card a .tap-target {
    inset: -10px -8px;
}

#projects .works-toggle-btn .tap-target {
    inset: -6px -4px;
}

/* sticky nav bar */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: color-mix(in srgb, var(--light) 88%, transparent);
    backdrop-filter: blur(16px) brightness(1.4);
    -webkit-backdrop-filter: blur(16px) brightness(1.4);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.sticky-bar {
    margin: 0;
    padding: 1rem clamp(1.25rem, 5vw, 5rem);
    width: 100%;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0.75rem;
}

.sticky-bar .sticky-bar-title {
    justify-self: start;
}

.sticky-bar ul {
    justify-self: center;
}

.sticky-bar .lang-toggle {
    justify-self: end;
}

.sticky-bar h1 {
    margin: 0;
    color: var(--dark);
    font-size: var(--fs-nav-title);
}

.sticky-bar ul {
    gap: clamp(0.75rem, 2vw, 1.75rem);
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    font-size: var(--fs-nav-link);
}

.sticky-bar a {
    color: var(--dark);
    text-decoration: none;
    position: relative;
    display: inline-block;
    line-height: 1;
}

.sticky-bar a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 1px;
    background-color: var(--dark);
    transform: scaleX(0);
    transform-origin: center;
    pointer-events: none;
    transition: transform 0.4s ease;
}

.sticky-bar a:hover::after {
    transform: scaleX(1);
}

.sticky-bar .sticky-bar-title {
    color: var(--dark);
    text-decoration: none;
}

.sticky-bar .sticky-bar-title::after {
    display: none;
}

/* hero section */
#home {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: clamp(1.5rem, 5vw, 3rem);
}

#home .hero-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(2rem, 6vw, 6rem);
    flex-wrap: wrap;
}

#home .home-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: clamp(22rem, 38vw, 40rem);
}

#home .greeting {
    color: var(--light);
    font-size: var(--fs-greeting);
    font-weight: 300;
    margin: 0 0 0.5rem 0;
    white-space: nowrap;
}

#home h1 {
    color: var(--light);
    font-size: var(--fs-name);
    font-weight: 800;
    margin: 0;
    line-height: 1;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
    transform-origin: center;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

#home h1:hover {
    transform: scale(1.05);
}

#home .subtitle {
    color: var(--light);
    font-size: var(--fs-subtitle);
    font-weight: 400;
    margin: 1.2rem 0 0 0;
    letter-spacing: 0.35em; 
    text-transform: lowercase;
    white-space: nowrap;
}

#home #img {
    width: clamp(14rem, 20vw, 26rem);
    height: auto;
    object-fit: contain;
    transform-origin: center;
    backface-visibility: hidden;
    will-change: transform;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

#home #img:hover {
    transform: scale(1.05);
}

/* about section */
#about {
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 8vw, 4rem);
    color: var(--light);
}

#about .about-content {
    max-width: 42rem;
    margin: 0 auto;
}

#about .eyebrow,
#projects .eyebrow,
#contact .eyebrow {
    color: var(--light);
    opacity: 0.6;
    font-size: var(--fs-nav-link);
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin: 0 0 0.75rem 0;
}

#about .about-title,
#projects .projects-title {
    font-size: clamp(1.9rem, 2vw + 1.3rem, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin: 0 0 2rem 0;
    line-height: 1.15;
}

#about .about-body p {
    font-size: var(--fs-body);
    line-height: 1.75;
    color: color-mix(in srgb, var(--light) 82%, transparent);
    margin: 0 0 1.35rem 0;
    max-width: 60ch;
}

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

/* works / projects section */
#projects {
    min-height: 100vh;
    padding: clamp(4rem, 9vw, 7rem) clamp(1.5rem, 8vw, 4rem) clamp(3rem, 8vw, 6rem);
    color: var(--light);
}

#projects .projects-content {
    max-width: 68rem;
    margin: 0 auto;
}

/* dev/cinematography category switch */
#projects .works-toggle {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    max-width: 30rem;
    margin: 1.75rem 0 3rem;
    padding: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--light) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--light) 15%, transparent);
}

#projects .works-toggle-thumb {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(50% - 4px);
    height: calc(100% - 8px);
    border-radius: 999px;
    background: var(--light);
    transition: transform 0.5s cubic-bezier(0.3, 1.15, 0.55, 1);
}

#projects .works-toggle.is-cinema .works-toggle-thumb {
    transform: translateX(100%);
}

#projects .works-toggle-btn {
    position: relative;
    z-index: 1;
    border: none;
    background: transparent;
    padding: 0.65rem 0.75rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: var(--fs-nav-link);
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    color: color-mix(in srgb, var(--light) 65%, transparent);
    cursor: pointer;
    transition: color 0.45s ease;
}

#projects .works-toggle-btn.is-active {
    color: var(--dark);
}

#projects .projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
    transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), translate 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

#projects .projects-grid.is-hidden {
    display: none;
}

#projects .projects-grid.is-exiting {
    opacity: 0;
    translate: 0 -18px;
    pointer-events: none;
}

/* staggered card entrance, see js/works.js */
#projects .projects-grid.is-entering .project-card {
    opacity: 0;
    translate: 0 24px;
}

#projects .project-card {
    min-width: 0;
    background: color-mix(in srgb, var(--light) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--light) 10%, transparent);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    text-align: left;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), translate 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, background 0.4s ease;
}

#projects .project-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--light) 25%, transparent);
    background: color-mix(in srgb, var(--light) 7%, transparent);
}

#projects .project-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 10px;
    background: color-mix(in srgb, var(--light) 8%, transparent);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

#projects .project-card:hover img {
    transform: scale(1.04);
}

#projects .project-card h3 {
    margin: 0;
    font-size: clamp(1.1rem, 0.4vw + 1rem, 1.35rem);
    font-weight: 700;
}

#projects .project-card p {
    margin: 0;
    font-size: var(--fs-body);
    line-height: 1.6;
    color: color-mix(in srgb, var(--light) 78%, transparent);
    flex-grow: 1;
}

#projects .project-card a {
    position: relative;
    color: var(--light);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--fs-nav-link);
}

#projects .project-card a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 1px;
    background: var(--light);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

#projects .project-card a:hover::after {
    transform: scaleX(1);
}

#projects .projects-empty {
    grid-column: 1 / -1;
    margin: 1rem 0;
    font-size: var(--fs-body);
    color: color-mix(in srgb, var(--light) 60%, transparent);
}

/* link + language tag row */
#projects .project-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

#projects .project-lang {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--light) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--light) 18%, transparent);
    color: color-mix(in srgb, var(--light) 75%, transparent);
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    pointer-events: none;
    transition: border-color 0.4s ease, background 0.4s ease, color 0.4s ease;
}

#projects .project-card:hover .project-lang {
    background: color-mix(in srgb, var(--light) 14%, transparent);
    border-color: color-mix(in srgb, var(--light) 28%, transparent);
    color: var(--light);
}

/* contact section */
#contact {
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 8vw, 4rem);
    color: var(--light);
}

#contact .contact-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

#contact .contact-title {
    font-size: clamp(1.9rem, 2vw + 1.3rem, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin: 0 0 2.5rem 0;
    line-height: 1.15;
}

#contact .contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

#contact .contact-link {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-width: 17rem;
    flex: 1 1 0;
    padding: 1.5rem;
    background: color-mix(in srgb, var(--light) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--light) 10%, transparent);
    border-radius: 16px;
    text-decoration: none;
    color: var(--light);
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.4s ease, background 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#contact .contact-link:hover,
#contact .contact-link:focus-visible {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--light) 25%, transparent);
    background: color-mix(in srgb, var(--light) 7%, transparent);
    outline: none;
}

#contact .contact-label {
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.6;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

#contact .contact-value {
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
}

/* bottom footer bar */
.site-footer {
    border-top: 1px solid color-mix(in srgb, var(--light) 10%, transparent);
    padding: 1.5rem clamp(1.25rem, 5vw, 5rem);
}

.site-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: color-mix(in srgb, var(--light) 60%, transparent);
}

.site-footer-inner p {
    margin: 0;
}

.footer-left {
    font-weight: 700;
    color: color-mix(in srgb, var(--light) 85%, transparent);
}

.footer-right {
    display: flex;
    gap: clamp(0.9rem, 2vw, 1.5rem);
}

.footer-right a {
    position: relative;
    color: color-mix(in srgb, var(--light) 60%, transparent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-right a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 1px;
    background: var(--light);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.footer-right a:hover {
    color: var(--light);
}

.footer-right a:hover::after {
    transform: scaleX(1);
}

@media (max-width: 700px) {
    .site-footer-inner {
        justify-content: center;
        text-align: center;
    }

    #contact .contact-links {
        flex-direction: column;
    }

    #contact .contact-link {
        width: 100%;
        min-width: 0;
    }

    #contact .contact-value {
        white-space: normal;
        overflow-wrap: break-word;
    }
}

/* hero entrance animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        translate: 0 35px;
    }
    to {
        opacity: 1;
        translate: 0 0;
    }
}

:where(nav,
#home .greeting,
#home h1,
#home .subtitle,
#home #img
) {
    animation: fadeInUp 2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

:where(nav) {
    animation-delay: 0s;
}

:where(#home .greeting) {
    animation-delay: 0.3s;
}

:where(#home h1) {
    animation-delay: 0.4s;
}

:where(#home .subtitle) {
    animation-delay: 0.6s;
}

:where(#home #img) {
    animation-delay: 0.4s;
}

.entrance-played :where(nav, #home .greeting, #home h1, #home .subtitle, #home #img) {
    animation: none;
}

/* scroll-triggered section reveal, see js/reveal.js */
section:not(#home) {
    opacity: 0;
    translate: 0 55px;
    transition: opacity 1.8s cubic-bezier(0.16, 1, 0.3, 1), translate 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}

section:not(#home).in-view {
    opacity: 1;
    translate: 0 0;
}

/* mobile layout */
@media (max-width: 700px) {
    #home {
        padding: clamp(2rem, 8vw, 3rem) 1.25rem;
    }

    #home .hero-row {
        flex-direction: column;
        text-align: center;
    }

    #home .home-text {
        width: 100%;
        max-width: 100%;
    }

    #home .greeting,
    #home .subtitle {
        white-space: normal;
    }

    .sticky-bar {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        padding: 0.75rem 1.25rem;
        row-gap: 0.4rem;
    }

    /* longer translated nav labels (e.g. German) need a bit more room to
       stay on one line with the language toggle before wrapping */
    .sticky-bar ul {
        gap: 0.5rem 1rem;
        font-size: clamp(0.8rem, 2.6vw, 1rem);
    }

    #projects .works-toggle {
        max-width: 100%;
    }

    #projects .works-toggle-btn {
        padding: 0.65rem 0.4rem;
        font-size: clamp(0.72rem, 3.2vw, 0.9rem);
    }

    #projects .projects-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    #projects .project-footer {
        flex-wrap: wrap;
        row-gap: 0.5rem;
    }

    #projects .project-lang {
        flex-basis: 100%;
        white-space: normal;
        text-align: center;
    }
}

/* language toggle button */
.lang-toggle {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    border: 1.5px solid var(--dark);
    background: transparent;
    color: var(--dark);
    font-family: inherit;
    font-size: var(--fs-nav-link);
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 0.4rem 1.1rem;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.35s ease, transform 0.2s ease;
}

.lang-toggle::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--dark);
    border-radius: inherit;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
    color: var(--light);
}

.lang-toggle:hover::before,
.lang-toggle:focus-visible::before {
    transform: scaleX(1);
}

.lang-toggle:active {
    transform: scale(0.92);
}

/* wave animation used when swapping languages */
@keyframes langWave {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    45% {
        transform: translateY(-10px);
        opacity: 0;
    }
    55% {
        transform: translateY(10px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.lang-wave {
    animation: langWave 0.8s ease;
}