/* ─────────────────────────────────────────────────────
   Robin Hirt — Portfolio
   ───────────────────────────────────────────────────── */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }

/* ── Design Tokens ── */
:root {
  --bg:     #0a0a0a;
  --panel:  #111111;
  --fg:     #f1efea;
  --mute:   #7a766f;
  --line:   rgba(241, 239, 234, .14);
  --hair:   rgba(241, 239, 234, .07);
  --accent: #ff4500;
  --sans:   "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:   "JetBrains Mono", "SFMono-Regular", ui-monospace, monospace;
  --max:    1400px;
  --pad:    32px;
}

/* ── Base ── */
body {
  background: var(--bg);
  color: var(--fg);
  font: 400 14px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.003em;
  overflow-x: hidden;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Utilities ── */
.mono { font-family: var(--mono); letter-spacing: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* ─────────────────────────────────────────────────────
   HEADER
   ───────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 18px 0;
  gap: 24px;
}

.hdr-lhs {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 11px/1 var(--mono);
  letter-spacing: .04em;
  color: var(--mute);
  text-transform: uppercase;
}



.hdr-rhs {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  font: 11px/1 var(--mono);
  letter-spacing: .04em;
}

.hdr-rhs a {
  color: var(--mute);
  text-transform: uppercase;
  transition: color .2s;
}

.hdr-rhs a:hover { color: var(--fg); }

.hdr-rhs a.cta {
  color: var(--fg);
  border-bottom: 1px solid var(--accent);
  padding: 2px 0;
}

/* ─────────────────────────────────────────────────────
   HERO
   ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 680px;
  max-width: var(--max);
  margin: 0 auto;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  cursor: default;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) brightness(.62) contrast(1.06);
  transform-origin: center;
  transition:
    filter    .5s cubic-bezier(.2, .7, .3, 1),
    transform .7s cubic-bezier(.2, .7, .3, 1);
}

.hero:hover .hero-img {
  filter: grayscale(0) brightness(.78) contrast(1.04);
  transform: scale(1.02);
}

.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, .82) 0%,
    rgba(0, 0, 0, .50) 30%,
    rgba(0, 0, 0, .10) 60%,
    rgba(0, 0, 0, .30) 100%
  );
}

.hero-tl,
.hero-tr {
  position: absolute;
  top: 28px;
  font: 11px/1.4 var(--mono);
  letter-spacing: .04em;
  color: #fff;
  opacity: .9;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-shadow: 0 1px 6px rgba(0,0,0,.6);
}

.hero-tl { left: var(--pad); }
.hero-tr { right: var(--pad); align-items: flex-end; }

.hero-body {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: 32px;
  color: #fff;
}

.hero-pretitle {
  font: 600 12px/1.4 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  opacity: .75;
  margin-bottom: 18px;
}

.hero-h1 {
  font: 500 88px/.95 var(--sans);
  letter-spacing: -0.035em;
  margin: 0 0 12px;
  text-shadow: 0 2px 16px rgba(0,0,0,.5);
}

.hero-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  padding-top: 14px;
  position: relative;
}

.hero-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 509px;
  height: 1px;
  background: rgba(255, 255, 255, .25);
}

.hero-tagline {
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 8px;
  opacity: 1;
}

.hero-topics {
  font: 11px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .7;
  margin: 0 0 16px;
}

.hero-bio {
  font-size: 13px;
  line-height: 1.6;
  max-width: 52ch;
  opacity: .75;
  margin: 0;
}

.hero-stats {
  font: 11px/1.5 var(--mono);
  letter-spacing: .04em;
  text-align: right;
  opacity: .85;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────
   SECTION STRUCTURE
   ───────────────────────────────────────────────────── */
section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 73px;
}

.sec-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  column-gap: 24px;
  align-items: end;
  margin-bottom: 48px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.sec-label {
  font: 32px/1.05 var(--mono);
  letter-spacing: .04em;
  color: var(--accent);
  text-transform: uppercase;
  white-space: nowrap;
}

.sec-title {
  font: 500 32px/1.05 var(--sans);
  letter-spacing: -0.025em;
}

.sec-meta {
  font: 11px/1.5 var(--mono);
  letter-spacing: .04em;
  color: var(--mute);
  text-align: right;
  text-transform: uppercase;
}

/* ─────────────────────────────────────────────────────
   PROJEKTE
   ───────────────────────────────────────────────────── */
.prj-grid {
  display: grid;
  grid-template-columns: 60px 1fr 60px;
  column-gap: 24px;
}

.prj-row { display: contents; }

.prj-row > * {
  padding: 24px 0;
  border-top: 1px solid var(--hair);
  transition: background .2s, color .2s;
}

.prj-row:first-child > * { border-top: 1px solid var(--line); }
.prj-row:last-child  > * { border-bottom: 1px solid var(--line); }

.prj-row:hover > *       { background: var(--panel); }
.prj-row:hover .prj-title { color: var(--accent); }

.prj-n {
  font: 11px/1.6 var(--mono);
  color: var(--mute);
  letter-spacing: .04em;
  padding-left: 14px;
  padding-right: 14px;
}

.prj-mid {
  display: grid;
  grid-template-columns: 1.4fr 2fr 1.2fr;
  column-gap: 32px;
  align-items: start;
}

.prj-title {
  font: 500 18px/1.25 var(--sans);
  letter-spacing: -0.01em;
  transition: color .2s;
}

.prj-role {
  display: block;
  font: 400 11px/1.5 var(--mono);
  letter-spacing: .06em;
  color: var(--mute);
  text-transform: uppercase;
  margin-top: 6px;
}

.prj-desc {
  font-size: 13px;
  line-height: 1.6;
  opacity: .9;
}

.prj-stack {
  font: 11px/1.5 var(--mono);
  color: var(--mute);
  letter-spacing: 0;
}

.prj-year {
  font: 11px/1.6 var(--mono);
  color: var(--mute);
  text-align: right;
  letter-spacing: .04em;
  padding-right: 14px;
}

/* ─────────────────────────────────────────────────────
   PHOTOGRAPHIE
   ───────────────────────────────────────────────────── */
.foto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.foto-cell { position: relative; }

.foto-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2 / 3;
  cursor: zoom-in;
}

.foto-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
  transform-origin: center;
  transition:
    filter    .5s cubic-bezier(.2, .7, .3, 1),
    transform .7s cubic-bezier(.2, .7, .3, 1);
}

@media (hover: hover) {
  .foto-cell:hover .foto-img {
    filter: grayscale(0) contrast(1);
    transform: scale(1.05);
  }

  .foto-cell:hover .foto-dot {
    opacity: 1;
    transform: scale(1);
  }
}

@media (hover: none) {
  .foto-img { filter: grayscale(0) contrast(1); }
}

.foto-dot {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity .3s, transform .3s;
}

.foto-lbl {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
  margin-top: 10px;
  font: 11px/1.4 var(--mono);
  letter-spacing: .06em;
  color: var(--mute);
  text-transform: uppercase;
}

.foto-lbl strong {
  color: var(--fg);
  font-weight: 400;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  flex: 1;
}

.foto-lbl-cat { white-space: nowrap; }
.foto-lbl-date { white-space: nowrap; }

@media (max-width: 600px) {
  .foto-lbl {
    flex-direction: column;
    gap: 3px;
    align-items: flex-start;
  }
}

.foto-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}

.foto-page-btn {
  background: none;
  border: 1px solid var(--line);
  color: var(--mute);
  font: 11px/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 10px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.foto-page-btn:hover:not(:disabled) {
  color: var(--fg);
  border-color: rgba(241,239,234,.4);
}
.foto-page-btn:disabled {
  opacity: .3;
  cursor: default;
}

.foto-page-info {
  font: 11px/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mute);
}

.foto-foot {
  margin-top: 36px;
  padding: 24px;
  background: var(--panel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font: 11px/1.5 var(--mono);
  letter-spacing: .04em;
  color: var(--mute);
  text-transform: uppercase;
}

.foto-foot strong {
  color: var(--fg);
  font-weight: 500;
  letter-spacing: .02em;
  text-transform: none;
  font-size: 13px;
  font-family: var(--sans);
}

/* ─────────────────────────────────────────────────────
   FOTO FILTER
   ───────────────────────────────────────────────────── */
.foto-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.foto-filter-btn {
  background: none;
  border: 1px solid var(--line);
  color: var(--mute);
  font: 11px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 7px 14px;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}

.foto-filter-btn:hover {
  color: var(--fg);
  border-color: rgba(241,239,234,.4);
}

.foto-filter-btn.active {
  color: var(--bg);
  background: var(--fg);
  border-color: var(--fg);
}

.foto-cell.hidden,
.blog-card.hidden {
  display: none;
}

/* ─────────────────────────────────────────────────────
   BLOG
   ───────────────────────────────────────────────────── */
.blog-soon {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.blog-soon-label {
  font: 11px/1 var(--mono);
  letter-spacing: .1em;
  color: var(--mute);
  text-transform: uppercase;
}

.blog-soon p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--mute);
  max-width: 52ch;
}

.blog-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.blog-card {
  background: var(--panel);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid var(--hair);
  max-width: calc(82ch + 56px);
  transition: transform .25s, border-color .25s;
}

.blog-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  font: 11px/1.4 var(--mono);
  letter-spacing: .06em;
  color: var(--mute);
  text-transform: uppercase;
}

.blog-cat { color: var(--accent); }

.blog-h3 {
  font: 500 20px/1.25 var(--sans);
  letter-spacing: -0.015em;
}

.blog-subline {
  display: block;
  margin-top: 4px;
  font: 400 16px/1.4 var(--sans);
  color: var(--mute);
  letter-spacing: 0;
}

.blog-excerpt {
  font-size: 13px;
  line-height: 1.6;
  opacity: .85;
  flex-grow: 1;
}

.blog-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 15px;
  line-height: 1.75;
  opacity: .9;
  flex-grow: 1;
  max-width: 82ch;
}

.blog-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font: 11px/1.4 var(--mono);
  letter-spacing: .04em;
  color: var(--mute);
  text-transform: uppercase;
}

.blog-arrow { color: var(--fg); }

.blog-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-list li {
  padding-left: 20px;
  position: relative;
}

.blog-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  top: 7px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1;
}

.blog-subh {
  font: 600 19px/1.3 var(--sans);
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-top: 28px;
}

.blog-body sup a {
  font: 10px/1 var(--mono);
  color: var(--accent);
  text-decoration: none;
  vertical-align: super;
  margin-left: 1px;
}
.blog-body sup a:hover { text-decoration: underline; }

.blog-fn {
  border-top: 1px solid var(--hair);
  padding-top: 16px;
  margin-top: 8px;
  font: 11px/1.7 var(--mono);
  color: var(--mute);
  letter-spacing: .03em;
}
.blog-fn ol { padding-left: 20px; }
.blog-fn li { margin-bottom: 6px; }
.blog-fn a { color: var(--accent); text-decoration: none; text-underline-offset: 3px; }
.blog-fn a:hover { text-decoration: underline; }

.blog-more {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .5s ease;
}
.blog-more.open {
  max-height: 400rem;
}

.blog-readmore {
  display: inline-block;
  margin: 12px 0 0;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  font: 400 13px/1 var(--mono);
  color: var(--accent);
  letter-spacing: .03em;
  transition: opacity .15s ease;
}
.blog-readmore:hover { opacity: .7; }

.blog-anchor {
  color: inherit;
  text-decoration: none;
}
.blog-anchor:hover { color: var(--fg); }

.blog-share {
  background: none;
  border: 1px solid var(--line);
  color: var(--mute);
  font: 11px/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 10px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.blog-share:hover { color: var(--fg); border-color: rgba(241,239,234,.4); }
.blog-share.copied { color: var(--accent); border-color: var(--accent); }

.blog-totop {
  font: 11px/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mute);
  border: 1px solid var(--line);
  padding: 5px 10px;
  transition: color .2s, border-color .2s;
}
.blog-totop:hover { color: var(--fg); border-color: rgba(241,239,234,.4); }

/* ─────────────────────────────────────────────────────
   KONTAKT
   ───────────────────────────────────────────────────── */
.kont-box {
  background: var(--panel);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.kont-h3 {
  font: 500 56px/.98 var(--sans);
  letter-spacing: -0.03em;
  margin: 0 0 18px;
}

.kont-ac { color: var(--accent); }

.kont-logo {
  display: block;
  width: 100px;
  height: auto;
  margin-top: 32px;
}

.kont-p {
  font-size: 14px;
  line-height: 1.6;
  max-width: 38ch;
  opacity: .85;
  margin: 0 0 24px;
}

.kont-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 11px/1 var(--mono);
  letter-spacing: .08em;
  color: var(--mute);
  text-transform: uppercase;
}

.kont-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 999px;
  flex-shrink: 0;
}

.kont-links { display: flex; flex-direction: column; }

.kont-link {
  display: grid;
  grid-template-columns: 90px 1fr 18px;
  column-gap: 18px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--hair);
  color: var(--fg);
  transition: padding .2s, color .2s;
}

.kont-link:first-child { border-top: 1px solid var(--line); }
.kont-link:last-child  { border-bottom: 1px solid var(--line); }

.kont-link:hover              { padding-left: 8px; color: var(--accent); }
.kont-link:hover .kont-arrow  { transform: translateX(2px); color: var(--accent); }

.kont-lbl {
  font: 500 11px/1.5 var(--mono);
  letter-spacing: .06em;
  color: var(--mute);
  text-transform: uppercase;
}

.kont-val {
  font: 500 16px/1.4 var(--sans);
  letter-spacing: -0.005em;
}

.kont-arrow {
  justify-self: end;
  color: var(--mute);
  font-size: 14px;
  transition: transform .2s, color .2s;
}

/* ─────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────── */
footer {
  padding: 32px var(--pad);
  border-top: 1px solid var(--line);
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  column-gap: 24px;
  font: 11px/1.5 var(--mono);
  letter-spacing: .04em;
  color: var(--mute);
  text-transform: uppercase;
}

footer .c { text-align: center; }
footer .r { text-align: right; }
footer strong { color: var(--fg); font-weight: 500; }
footer a { color: var(--mute); text-decoration: none; transition: color .2s; }
footer a:hover { color: var(--fg); }

/* ─────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  :root { --pad: 24px; }

  .hero-h1   { font-size: 64px; }
  .sec-title { font-size: 36px; }
  .prj-mid   { grid-template-columns: 1fr; row-gap: 8px; }
  .foto-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  :root { --pad: 20px; }

  section { padding: 56px 0; }

  .hero         { height: auto; min-height: 540px; }
  .hero-h1      { font-size: 44px; }
  .hero-row     { flex-direction: column; align-items: flex-start; }
  .hero-stats   { text-align: left; }

  .header-inner { grid-template-columns: 1fr auto; padding: 18px var(--pad); }
  .hdr-lhs      { display: none; }

  .foto-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr; }

  .blog-meta { flex-direction: column; gap: 3px; }

  .kont-box { grid-template-columns: 1fr; padding: 32px 24px; }
  .kont-h3  { font-size: 40px; }

  .prj-grid { grid-template-columns: 40px 1fr; }
  .prj-year { display: none; }

  .sec-head              { grid-template-columns: auto 1fr; }
  .sec-meta              { display: none; }
  .sec-label             { grid-column: 1 / 2; }
  .sec-title             { grid-column: 2 / 3; font-size: 28px; }

  footer              { grid-template-columns: 1fr; gap: 6px; }
  footer .c, footer .r { text-align: left; }
}

@media (max-width: 479px) {
  .hero-h1             { font-size: 36px; }
}

/* ─────────────────────────────────────────────────────
   LIGHTBOX */

.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, .92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.lb-overlay.lb-open {
  opacity: 1;
  pointer-events: all;
}

.lb-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.lb-img {
  display: block;
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,.1);
  transition: transform .35s cubic-bezier(.2,.7,.3,1);
}

.lb-caption {
  font: 11px/1.4 var(--mono);
  letter-spacing: .06em;
  color: rgba(255,255,255,.6);
  text-align: center;
  text-transform: uppercase;
  transition: opacity .1s ease;
}

.lb-close {
  position: fixed;
  top: 24px;
  right: 28px;
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color .2s;
}

.lb-close:hover { color: #fff; }

.lb-prev,
.lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  font: 28px/1 var(--mono);
  cursor: pointer;
  padding: 16px;
  transition: color .2s, opacity .2s;
  z-index: 1001;
}

.lb-prev { left: 20px; }
.lb-next { right: 20px; }

.lb-prev:hover,
.lb-next:hover { color: #fff; }

.lb-prev:disabled,
.lb-next:disabled {
  opacity: 0;
  pointer-events: none;
}