/* =========================================================
   fynn-lasse.de — warm brutalist
   Paper, heavy ink, hard edges, one loud accent.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
    --paper:        #f2ede3;
    --paper-2:      #e8e1d3;
    --paper-3:      #dcd3c1;
    --ink:          #14110e;
    --ink-soft:     #4a423a;
    --ink-faint:    #7d7266;
    --accent:       #d93f14;
    --accent-ink:   #fff8f2;
    --rule:         3px;

    --font-display: "Archivo Black", "Helvetica Neue", Arial, sans-serif;
    --font-body:    "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
    --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

    --step:  1.25rem;
    --gap:   2rem;
    --bay:   clamp(3.5rem, 9vw, 7rem);
    --shadow: 7px 7px 0 var(--ink);
    --shadow-sm: 4px 4px 0 var(--ink);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --paper:    #14110e;
        --paper-2:  #1e1a15;
        --paper-3:  #2a241d;
        --ink:      #f2ede3;
        --ink-soft: #c4b9a8;
        --ink-faint:#8d8274;
        --accent:   #ff6a3d;
        --accent-ink: #14110e;
    }
}

:root[data-theme="dark"] {
    --paper:    #14110e;
    --paper-2:  #1e1a15;
    --paper-3:  #2a241d;
    --ink:      #f2ede3;
    --ink-soft: #c4b9a8;
    --ink-faint:#8d8274;
    --accent:   #ff6a3d;
    --accent-ink: #14110e;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: clamp(1rem, .96rem + .2vw, 1.125rem);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* faint paper grain */
    background-image:
        repeating-linear-gradient(0deg, rgba(0,0,0,.014) 0 1px, transparent 1px 3px);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

:focus-visible {
    outline: var(--rule) solid var(--accent);
    outline-offset: 3px;
}

::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- Type ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: .95;
    letter-spacing: -.02em;
    text-transform: uppercase;
}

h1 { font-size: clamp(2.75rem, 9vw, 6.5rem); }
h2 { font-size: clamp(2rem, 5.5vw, 3.5rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.5rem); }

p + p { margin-top: 1em; }

strong { font-weight: 700; }

.lede {
    font-size: clamp(1.15rem, 1rem + .8vw, 1.55rem);
    line-height: 1.45;
    max-width: 34ch;
}

.mono {
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.mark {
    background: var(--accent);
    color: var(--accent-ink);
    padding: 0 .18em;
    display: inline-block;
}

/* ---------- Layout ---------- */
.wrap {
    width: min(100% - 2.5rem, 1180px);
    margin-inline: auto;
}

.bay { padding-block: var(--bay); }

.bay--tint {
    background: var(--paper-2);
    border-block: var(--rule) solid var(--ink);
}

.head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--gap);
    flex-wrap: wrap;
    border-bottom: var(--rule) solid var(--ink);
    padding-bottom: 1rem;
    margin-bottom: 2.5rem;
}

/* ---------- Skip link ---------- */
.skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: var(--accent-ink);
    padding: .75rem 1.25rem;
    font-family: var(--font-mono);
    z-index: 200;
}
.skip:focus { left: 0; }

/* ---------- Nav ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--paper);
    border-bottom: var(--rule) solid var(--ink);
}

.nav__inner {
    width: min(100% - 2.5rem, 1180px);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 4.25rem;
    gap: 1rem;
}

.nav__logo {
    font-family: var(--font-display);
    font-size: 1.15rem;
    letter-spacing: .04em;
    text-decoration: none;
    background: var(--ink);
    color: var(--paper);
    padding: .4rem .6rem;
}
.nav__logo:hover { background: var(--accent); color: var(--accent-ink); }

.nav__right {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.nav__links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: .35rem;
    align-items: center;
}

.nav__link {
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    text-decoration: none;
    padding: .5rem .7rem;
    border: 2px solid transparent;
}
.nav__link:hover { border-color: var(--ink); }
.nav__link[aria-current="page"] {
    background: var(--accent);
    color: var(--accent-ink);
}

.nav__toggle,
.theme {
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    background: var(--paper);
    color: var(--ink);
    border: 2px solid var(--ink);
    padding: .45rem .6rem;
    cursor: pointer;
    line-height: 1;
}
.nav__toggle:hover, .theme:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--ink); }

.nav__toggle { display: none; }

@media (max-width: 760px) {
    .nav__toggle { display: block; }

    /* The list goes absolute below, leaving its <nav> wrapper zero-width —
       drop the gap so it contributes no stray space beside the buttons. */
    .nav__right { gap: 0; }

    /* Full-bleed panel under the bar. Rows carry a top hairline and the first
       row drops it, so nothing doubles against the bar above or the panel
       border below. */
    .nav__links {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        background: var(--paper);
        border-bottom: var(--rule) solid var(--ink);
    }
    .nav__links.is-open { display: flex; }

    .nav__link {
        display: block;
        border: 0;
        border-top: 2px solid var(--paper-3);
        padding: 1rem 1.25rem;
    }
    .nav__links > li:first-child .nav__link { border-top: 0; }
    .nav__link:hover {
        border-color: var(--paper-3);
        background: var(--paper-2);
    }
    .nav__links > li:first-child .nav__link:hover { border-top: 0; }
    .nav__link[aria-current="page"],
    .nav__link[aria-current="page"]:hover {
        background: var(--accent);
        color: var(--accent-ink);
    }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .82rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    text-decoration: none;
    padding: .85rem 1.4rem;
    border: var(--rule) solid var(--ink);
    background: var(--paper);
    color: var(--ink);
    box-shadow: var(--shadow-sm);
    transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }

.btn--loud { background: var(--accent); color: var(--accent-ink); }

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

/* ---------- Hero ---------- */
.hero {
    border-bottom: var(--rule) solid var(--ink);
    padding-block: clamp(3rem, 8vw, 6rem) clamp(3rem, 7vw, 5rem);
    position: relative;
    overflow: hidden;
}

.hero__meta {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 2px solid var(--ink);
    padding-bottom: .75rem;
    margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.hero__title {
    font-size: clamp(3rem, 13vw, 9rem);
    line-height: .86;
    letter-spacing: -.035em;
}
.hero__title span { display: block; }
.hero__title .is-accent { color: var(--accent); }

/* ---------- Headline: on-load line rise ---------- */
.hero__title .hero__line {
    display: block;
}
.js .hero__title .hero__line {
    overflow: hidden;
}
.js .hero__title .hero__line > span {
    display: block;
    animation: lineRise .85s cubic-bezier(.16, 1, .3, 1) both;
}
.js .hero__title .hero__line:nth-child(2) > span { animation-delay: .07s; }
.js .hero__title .hero__line:nth-child(3) > span { animation-delay: .14s; }

@keyframes lineRise {
    from { transform: translateY(102%); }
    to   { transform: translateY(0); }
}

/* ---------- Headline: word rotator ---------- */
.rot {
    display: block;
    max-width: 100%;
}

.js .rot__bar { width: 0; }

.js .rot {
    animation: rotEnter .85s cubic-bezier(.16, 1, .3, 1) .1s both;
}
@keyframes rotEnter {
    from { opacity: 0; transform: translateY(26px); }
    to   { opacity: 1; transform: none; }
}

/* The mask is held open by an invisible one-line sizer, and every word is
   taken out of flow on top of it. That way the mask is exactly one line tall
   no matter how many words exist mid-swap, so the bar underneath — and
   everything below the headline — can never shift. */
.rot__mask {
    position: relative;
    display: block;
    overflow: hidden;
    padding-bottom: .16em;
}
.rot__sizer {
    /* Never let this wrap: it is the measuring stick the auto-fit reads, and
       a wrapped sizer reports the container width instead of the word's own,
       which silently defeats the scaling and doubles the mask height. */
    visibility: hidden;
    white-space: nowrap;
}
.rot__word {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--accent);
    white-space: nowrap;
}
.rot__word.is-out { animation: rotOut .52s cubic-bezier(.7, 0, .2, 1) both; }
.rot__word.is-in  { animation: rotIn  .52s cubic-bezier(.7, 0, .2, 1) both; }

@keyframes rotOut {
    from { transform: translateY(0);     opacity: 1; }
    to   { transform: translateY(-130%); opacity: 0; }
}
@keyframes rotIn {
    from { transform: translateY(130%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

/* Accent bar stretches to whatever word is currently showing. */
.rot__bar {
    display: block;
    height: .13em;
    /* JS measures the live word and sets this in px; without JS the single
       static word fills the grid cell, so 100% is the right fallback. */
    width: 100%;
    margin-top: .12em;
    background: var(--accent);
    transition: width .52s cubic-bezier(.7, 0, .2, 1);
}
@media (prefers-reduced-motion: reduce) {
    .rot__bar { transition: none; }
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
    margin-top: clamp(2rem, 5vw, 3rem);
}
@media (max-width: 860px) {
    .hero__grid { grid-template-columns: 1fr; align-items: start; }
}

.hero__side {
    border: var(--rule) solid var(--ink);
    background: var(--paper-2);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}
.hero__side dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .55rem 1.25rem;
    margin: 0;
    font-size: .95rem;
}
.hero__side dt {
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding-top: .18rem;
}
.hero__side dd { margin: 0; }

/* ---------- Ticker ---------- */
.ticker {
    border-block: var(--rule) solid var(--ink);
    background: var(--accent);
    color: var(--accent-ink);
    overflow: hidden;
    padding-block: .6rem;
}
.ticker__track {
    display: flex;
    width: max-content;
    animation: slide 38s linear infinite;
}
.ticker span {
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: .95rem;
    letter-spacing: .04em;
    padding-inline: 1.1rem;
    white-space: nowrap;
}
@keyframes slide {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
    .ticker__track { animation: none; }
}

/* ---------- Cards / project list ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--gap);
}

.card {
    display: flex;
    flex-direction: column;
    border: var(--rule) solid var(--ink);
    background: var(--paper);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    transition: transform .14s ease, box-shadow .14s ease, background .14s ease;
}
a.card:hover, a.card:focus-visible {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 var(--accent);
}

.card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    border-bottom: 2px solid var(--ink);
    padding: .6rem 1rem;
    background: var(--paper-2);
}

.card__num {
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .12em;
    color: var(--ink-faint);
}

.card__body { padding: 1.35rem; flex: 1; }
.card__title { margin-bottom: .65rem; }
.card__text { color: var(--ink-soft); font-size: .98rem; }

.card__foot {
    padding: 0 1.35rem 1.35rem;
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
}

.card--flat { box-shadow: none; }

/* language chip */
.lang {
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    border: 2px solid var(--ink);
    padding: .15rem .45rem;
    background: var(--paper);
}
.lang--c      { background: #8ba6d6; color: #0d1220; border-color: #0d1220; }
.lang--rust   { background: #e8934f; color: #241203; border-color: #241203; }
.lang--python { background: #7bb08a; color: #06170c; border-color: #06170c; }
.lang--js     { background: #e3cf5a; color: #1a1600; border-color: #1a1600; }
.lang--dart   { background: #79c3d4; color: #04181e; border-color: #04181e; }
.lang--web    { background: #d79bc2; color: #200714; border-color: #200714; }

.tag {
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    border: 2px solid var(--ink-faint);
    color: var(--ink-soft);
    padding: .15rem .45rem;
}

/* ---------- Filter bar ---------- */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 2rem;
}
.filter {
    font-family: var(--font-mono);
    font-size: .76rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    background: var(--paper);
    color: var(--ink);
    border: 2px solid var(--ink);
    padding: .5rem .8rem;
    cursor: pointer;
}
.filter:hover { background: var(--paper-3); }
.filter[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.is-hidden { display: none !important; }

/* ---------- Slab (about / prose blocks) ---------- */
.slab {
    display: grid;
    grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    padding-block: clamp(2rem, 4vw, 3rem);
    border-bottom: 2px solid var(--paper-3);
}
.slab:last-child { border-bottom: 0; }
@media (max-width: 760px) {
    .slab { grid-template-columns: 1fr; gap: 1rem; }
}
.slab__label {
    font-family: var(--font-mono);
    font-size: .76rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding-top: .3rem;
}
.slab__body { max-width: 62ch; }
.slab__body h3 { margin-bottom: .75rem; }
.slab__body p { color: var(--ink-soft); }

/* ---------- Stack list (skills) ---------- */
.stack { list-style: none; padding: 0; }
.stack li {
    display: grid;
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
    gap: 1rem 2rem;
    padding: 1.1rem 0;
    border-bottom: 2px solid var(--paper-3);
    align-items: baseline;
}
@media (max-width: 620px) {
    .stack li { grid-template-columns: 1fr; gap: .3rem; }
}
.stack b {
    font-family: var(--font-display);
    font-weight: 400;
    text-transform: uppercase;
    font-size: 1.05rem;
    letter-spacing: -.01em;
}
.stack span { color: var(--ink-soft); font-size: .98rem; }

/* ---------- Timeline ---------- */
.line { list-style: none; padding: 0; }
.line li {
    position: relative;
    padding: 0 0 2.25rem 2.25rem;
    border-left: var(--rule) solid var(--ink);
}
.line li:last-child { border-left-color: transparent; padding-bottom: 0; }
.line li::before {
    content: "";
    position: absolute;
    left: -11px;
    top: .35rem;
    width: 19px;
    height: 19px;
    background: var(--accent);
    border: var(--rule) solid var(--ink);
}
.line time {
    font-family: var(--font-mono);
    font-size: .74rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-faint);
    display: block;
    margin-bottom: .3rem;
}
.line h3 { margin-bottom: .4rem; }
.line p { color: var(--ink-soft); max-width: 58ch; }

/* ---------- Callout / empty state ---------- */
.callout {
    border: var(--rule) solid var(--ink);
    background: var(--paper-2);
    box-shadow: var(--shadow);
    padding: clamp(1.75rem, 4vw, 3rem);
}
.callout--loud {
    background: var(--accent);
    color: var(--accent-ink);
}
.callout--loud .btn {
    background: var(--accent-ink);
    color: var(--accent);
    border-color: var(--accent-ink);
    box-shadow: 4px 4px 0 rgba(0,0,0,.35);
}
.callout p { max-width: 56ch; }

.empty {
    border: var(--rule) dashed var(--ink-faint);
    padding: clamp(2.5rem, 7vw, 5rem) 1.5rem;
    text-align: center;
}
.empty h2 { margin-bottom: 1rem; }
.empty p { color: var(--ink-soft); margin-inline: auto; max-width: 46ch; }

/* ---------- Contact rows ---------- */
.rows { border-top: var(--rule) solid var(--ink); }
.row {
    display: grid;
    grid-template-columns: minmax(0, 12rem) minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem 2rem;
    padding: 1.6rem .25rem;
    border-bottom: var(--rule) solid var(--ink);
    text-decoration: none;
    transition: background .12s ease, padding .12s ease;
}
a.row:hover { background: var(--accent); color: var(--accent-ink); padding-inline: 1.25rem .25rem; }
a.row:hover .row__note { color: inherit; }
a.row:hover .row__go { transform: translateX(6px); }
@media (max-width: 700px) {
    .row { grid-template-columns: 1fr auto; }
    .row__note { grid-column: 1 / -1; }
}
.row__name {
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: clamp(1.25rem, 3vw, 1.9rem);
    letter-spacing: -.02em;
}
.row__note { color: var(--ink-soft); font-size: .98rem; }
.row__go { font-family: var(--font-mono); font-size: 1.2rem; transition: transform .12s ease; }

/* ---------- Footer ---------- */
.foot {
    border-top: var(--rule) solid var(--ink);
    background: var(--paper-2);
    padding-block: 3rem 2rem;
    margin-top: 0;
}
.foot__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
    align-items: flex-start;
}
.foot__nav {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem 1.25rem;
}
.foot__nav a {
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}
.foot__nav a:hover { border-bottom-color: var(--accent); }
.foot__social { display: flex; gap: .75rem; }
.foot__social a {
    border: 2px solid var(--ink);
    padding: .5rem;
    display: grid;
    place-items: center;
}
.foot__social a:hover { background: var(--accent); color: var(--accent-ink); }
.foot__bottom {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 2px solid var(--paper-3);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
}

/* ---------- Reveal (JS-gated, no FOUC risk) ---------- */
.js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .5s ease, transform .5s ease;
}
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; }
}

/* ---------- Utilities ---------- */
.stack-sm > * + * { margin-top: 1rem; }
.mt-lg { margin-top: 3rem; }
.center { text-align: center; }
.vh {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}