/* ==========================================================================
   Heiko Hardt — Bewerbung
   Konzept „Technisches Dossier": kühles Papier, Tinte, Petrol-Akzent.
   IBM Plex Sans für Fließtext, IBM Plex Mono für Daten (Zeiträume, Kontakt).
   ========================================================================== */

/* ---- Fonts (lokal, kein CDN) --------------------------------------------- */

@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/ibm-plex-sans-latin-400-normal-dCzU-sz.woff2") format('woff2');
}
@font-face {
    font-family: 'IBM Plex Sans';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/ibm-plex-sans-latin-400-italic-eMjXh-T.woff2") format('woff2');
}
@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("../fonts/ibm-plex-sans-latin-600-normal-pA5FLX3.woff2") format('woff2');
}
@font-face {
    font-family: 'IBM Plex Sans';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("../fonts/ibm-plex-sans-latin-700-normal-zdWo2v5.woff2") format('woff2');
}
@font-face {
    font-family: 'IBM Plex Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/ibm-plex-mono-latin-400-normal-78NWkmx.woff2") format('woff2');
}
@font-face {
    font-family: 'IBM Plex Mono';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("../fonts/ibm-plex-mono-latin-600-normal-uhfYm1a.woff2") format('woff2');
}

/* ---- Tokens --------------------------------------------------------------- */

:root {
    --papier:        #F6F7F6;
    --karte:         #FFFFFF;
    --tinte:         #1A2321;
    --tinte-hell:    #2A3532;
    --schiefer:      #5C6763;
    --linie:         #DDE2DF;
    --petrol:        #0C6A60;
    --petrol-dunkel: #084E47;
    --petrol-hauch:  #E3EEEC;

    --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', 'Courier New', monospace;

    --wrap: 46rem;
    --gap:  1.25rem;
}

/* ---- Reset & Grundlagen ---------------------------------------------------- */

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--papier);
    color: var(--tinte);
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.65;
}

main { flex: 1; }

img { max-width: 100%; height: auto; }

a {
    color: var(--petrol);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.15em;
}
a:hover { color: var(--petrol-dunkel); }

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

.wrap {
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gap);
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 10;
    background: var(--karte);
    color: var(--petrol-dunkel);
    padding: 0.5rem 1rem;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

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

/* ---- Typografie ------------------------------------------------------------ */

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.25;
    margin: 0 0 0.75rem;
}

h1.page-title {
    font-size: clamp(2rem, 4.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 3rem 0 2rem;
}

h2 {
    font-size: 1.3rem;
    letter-spacing: -0.01em;
    margin-top: 3rem;
}

p { margin: 0 0 1rem; }

.lead {
    font-size: 1.125rem;
    line-height: 1.6;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--petrol);
    margin: 0 0 0.5rem;
}

.muted { color: var(--schiefer); }

/* ---- Kopfleiste ------------------------------------------------------------- */

.site-head {
    background: var(--karte);
    border-bottom: 1px solid var(--linie);
    position: sticky;
    top: 0;
    z-index: 5;
}

/* Name und Navigation fluchten mit dem Satzspiegel: zwei Zeilen */
.head-row { padding-top: 0.9rem; }

.brand {
    display: inline-block;
    font-size: 1.0625rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--tinte);
    text-decoration: none;
    margin-bottom: 0.1rem;
}
.brand:hover { color: var(--petrol-dunkel); }

.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    column-gap: 1.5rem;
}

.site-nav a {
    display: inline-block;
    padding: 0.3rem 0 0.5rem;
    font-size: 0.9375rem;
    color: var(--tinte-hell);
    text-decoration: none;
    border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--petrol-dunkel); }
.site-nav a[aria-current="page"] {
    color: var(--petrol-dunkel);
    font-weight: 600;
    border-bottom-color: var(--petrol);
}

/* ---- Hero (Startseite) -------------------------------------------------------- */

.hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.25rem, 5.5vw, 3.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 0 0 1.25rem;
}

.hero .eyebrow { margin-bottom: 0.75rem; }

.portrait {
    width: clamp(9rem, 16vw, 11.5rem);
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 14px;
    display: block;
}

@media (max-width: 48rem) {
    .hero { grid-template-columns: 1fr; gap: 1.5rem; }
    .portrait { width: 8.5rem; order: -1; }
}

/* ---- Kontakt (Fußzeile) -------------------------------------------------------- */

.contact {
    font-family: var(--mono);
    font-size: 0.8125rem;
    line-height: 1.5;
    margin: 0;
    display: grid;
    gap: 0.2rem;
}
.contact > div {
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    gap: 0.75rem;
}
.contact dt {
    color: #9BA8A3;
    font-weight: 400;
}
.contact dd { margin: 0; }
.contact a {
    color: var(--papier);
    text-decoration-color: #56645F;
}
.contact a:hover { color: #fff; text-decoration-color: #7FB8AF; }

/* ---- Hauptbereich -------------------------------------------------------------- */

main {
    padding-bottom: 4rem;
}

main > .wrap > :first-child { margin-top: 3rem; }

/* ---- Timeline (Lebenslauf) — Signature-Element -------------------------------- */

.timeline {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.timeline li {
    display: grid;
    grid-template-columns: 10.5rem 1fr;
    gap: 1.25rem;
    position: relative;
    padding-bottom: 1.25rem;
}

/* durchlaufende Linie */
.timeline li::before {
    content: '';
    position: absolute;
    left: 11.75rem;
    top: 0.35rem;
    bottom: -0.35rem;
    width: 1px;
    background: var(--linie);
}
.timeline li:last-child::before { bottom: auto; height: 1rem; }

/* Punkt */
.timeline li::after {
    content: '';
    position: absolute;
    left: 11.75rem;
    top: 0.42rem;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--petrol);
    transform: translateX(-3px);
}

.tl-date {
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: var(--schiefer);
    padding-top: 0.15rem;
    text-align: right;
    white-space: nowrap;
}

.tl-body { padding-left: 1.25rem; }
.tl-body strong { font-weight: 600; }

@media (max-width: 40rem) {
    .timeline li { grid-template-columns: 1fr; gap: 0.15rem; }
    .timeline li::before, .timeline li::after { display: none; }
    .tl-date { text-align: left; padding-top: 0; }
    .tl-body { padding-left: 0; }
}

/* ---- Listen mit Petrol-Markern -------------------------------------------------- */

.marklist {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
}
.marklist > li {
    padding-left: 1.25rem;
    position: relative;
    margin-bottom: 0.5rem;
}
.marklist > li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 0.6rem;
    height: 2px;
    background: var(--petrol);
}

/* ---- Tags / Chips (Fähigkeiten, Dokumente) --------------------------------------- */

.taglist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.tag {
    display: inline-block;
    font-size: 0.8125rem;
    line-height: 1.4;
    padding: 0.15rem 0.6rem;
    background: var(--petrol-hauch);
    color: var(--petrol-dunkel);
    border-radius: 999px;
}

.skill-group {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 0.75rem;
    padding: 0.85rem 0;
    border-top: 1px solid var(--linie);
    margin: 0;
}
.skill-group dt {
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: var(--schiefer);
    padding-top: 0.2rem;
}
.skill-group dd { margin: 0; }

@media (max-width: 40rem) {
    .skill-group { grid-template-columns: 1fr; gap: 0.35rem; }
}

/* ---- Karten (Referenzen) ----------------------------------------------------------- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.card {
    background: var(--karte);
    border: 1px solid var(--linie);
    border-radius: 6px;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
}
.card h2 {
    font-size: 1.1rem;
    margin: 0 0 0.25rem;
}
.card .eyebrow { margin-bottom: 0.35rem; }
.card p:last-child { margin-bottom: 0; }
.card .card-url {
    margin: auto 0 0;
    padding-top: 0.75rem;
}
.card-link {
    font-family: var(--mono);
    font-size: 0.8125rem;
}

/* ---- Dokument-Links (Qualifikationen) ------------------------------------------------ */

.doc-item { margin-bottom: 1.1rem; }
.doc-item .doc-name { margin-bottom: 0.3rem; }

.doc-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--mono);
    font-size: 0.8125rem;
    padding: 0.2rem 0.7rem;
    border: 1px solid var(--linie);
    border-radius: 999px;
    background: var(--karte);
    color: var(--petrol-dunkel);
    text-decoration: none;
}
.doc-chip:hover {
    border-color: var(--petrol);
    background: var(--petrol-hauch);
}
.doc-chip svg { flex: none; }

/* ---- Fußzeile -------------------------------------------------------------------------- */

.site-foot {
    background: var(--tinte);
    color: var(--papier);
    padding-block: 2.5rem 2rem;
}
.site-foot .eyebrow { color: #7FB8AF; }
.site-foot p { margin: 0; }

.site-foot .foot-note {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid #2F3B38;
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: #9BA8A3;
}

/* ---- Druck ------------------------------------------------------------------------------- */

@media print {
    :root { --papier: #fff; }
    .site-nav, .skip-link { display: none; }
    .site-head {
        position: static;
        border-bottom: 2px solid var(--tinte);
    }
    .site-foot {
        background: none;
        color: var(--tinte);
        border-top: 2px solid var(--tinte);
        padding-block: 1rem 0;
    }
    .site-foot .eyebrow, .contact dt, .foot-note { color: var(--schiefer); }
    .contact a, .site-foot a { color: var(--tinte); }
    .foot-note { border-top-color: var(--linie); }
    .card { break-inside: avoid; }
    a { color: var(--tinte); }
}

/* ---- Reduzierte Bewegung ------------------------------------------------------------------ */

@media (prefers-reduced-motion: no-preference) {
    a, .doc-chip, .site-nav a { transition: color 120ms ease, border-color 120ms ease, background 120ms ease; }
}