/* ============================================================
   Browserbase-style design system — portfolio
   editorial broadsheet meets data terminal
   ============================================================ */

/* ---------- Fonts (self-hosted, DSGVO-safe — no external requests) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter.woff2") format("woff2");
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/archivo.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("../fonts/jetbrains-mono.woff2") format("woff2");
}

:root {
  /* Colors */
  --color-ink-black: #000000;
  --color-paper-white: #ffffff;
  --color-faint-slate: #f8fafc;
  --color-lavender-mist: #e2e9f3;
  --color-blue-gray-mist: #c5d3e8;
  --color-cream-wash: #fffde6;
  --color-sky-tint: #c4edff;
  --color-graphite: #686562;
  --color-signal-orange: #ff4500;

  /* Font families — Archivo stands in for GT Planar's geometric density */
  --font-plain: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-gtplanar: "Archivo", "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-gtstandardmono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Type scale */
  --text-caption: 14px;
  --text-body: 16px;
  --text-subheading: 24px;
  --text-heading: 34px;
  --text-heading-lg: 45px;
  --text-display: clamp(56px, 12vw, 189px);

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-56: 56px;
  --spacing-60: 60px;
  --spacing-96: 96px;

  /* Radius */
  --radius-cards: 4px;
  --radius-buttons: 50px;
  --radius-tags: 999px;

  --page-max-width: 1440px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-plain);
  font-size: var(--text-body);
  line-height: 1.5;
  letter-spacing: 0.11px;
  color: var(--color-ink-black);
  background: var(--color-paper-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* height:auto is required — every <img> carries width/height attributes (see
   img-dims.js) so the browser can reserve space; without this the attribute
   height wins over the scaled width and the image renders stretched. */
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-24);
}

.mono {
  font-family: var(--font-gtstandardmono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
}

.eyebrow {
  font-family: var(--font-gtstandardmono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-black);
  margin: 0 0 var(--spacing-16);
}

.display {
  font-family: var(--font-gtplanar);
  font-weight: 500;
  font-size: var(--text-display);
  line-height: 1;
  letter-spacing: -0.05em;
  margin: 0;
}

.heading-lg {
  font-family: var(--font-gtplanar);
  font-weight: 500;
  font-size: var(--text-heading-lg);
  line-height: 1.1;
  letter-spacing: -0.9px;
  margin: 0;
}

.heading {
  font-family: var(--font-gtplanar);
  font-weight: 500;
  font-size: var(--text-heading);
  line-height: 1.15;
  letter-spacing: -0.68px;
  margin: 0;
}

.subheading {
  font-family: var(--font-gtplanar);
  font-weight: 500;
  font-size: var(--text-subheading);
  line-height: 1.3;
  letter-spacing: -0.12px;
  margin: 0;
}

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

/* Orange highlight box — typographic accent only, never a control */
.hl {
  background: var(--color-signal-orange);
  color: var(--color-ink-black);
  padding: 2px 8px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-plain);
  font-size: var(--text-body);
  font-weight: 500;
  line-height: 1;
  padding: 11px 22px;
  border-radius: var(--radius-buttons);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--color-ink-black);
  color: var(--color-paper-white);
}
.btn-primary:hover { opacity: 0.85; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-ink-black);
  color: var(--color-ink-black);
}
.btn-ghost:hover {
  background: var(--color-ink-black);
  color: var(--color-paper-white);
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-paper-white);
  border-bottom: 1px solid var(--color-lavender-mist);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  min-height: 56px;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  text-decoration: none;
  font-family: var(--font-gtplanar);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.nav-logo-mark {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: var(--color-signal-orange);
  color: var(--color-ink-black);
  display: grid;
  place-items: center;
  font-family: var(--font-gtplanar);
  font-weight: 700;
  font-size: 15px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: var(--text-body);
  color: var(--color-ink-black);
}
.nav-links a:hover { color: var(--color-graphite); }

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
}

/* Language switcher */
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--color-ink-black);
  border-radius: var(--radius-buttons);
  overflow: hidden;
}
.lang-switch button {
  font-family: var(--font-gtstandardmono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  padding: 6px 12px;
  cursor: pointer;
  color: var(--color-ink-black);
}
.lang-switch button[aria-pressed="true"] {
  background: var(--color-ink-black);
  color: var(--color-paper-white);
}

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  background: var(--color-blue-gray-mist);
  background-image: radial-gradient(var(--color-paper-white) 1px, transparent 1px);
  background-size: 16px 16px;
  padding-block: var(--spacing-96);
  text-align: center;
}
.hero-eyebrow { justify-content: center; }
.hero h1 {
  max-width: 14ch;
  margin-inline: auto;
}
.hero-sub {
  max-width: 52ch;
  margin: var(--spacing-24) auto 0;
  color: var(--color-graphite);
  font-size: var(--text-body);
}
.hero-cta {
  display: flex;
  gap: var(--spacing-12);
  justify-content: center;
  margin-top: var(--spacing-32);
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */
.section { padding-block: var(--spacing-96); }
.section-tint { background: var(--color-faint-slate); }

.section-header {
  text-align: center;
  max-width: 60ch;
  margin: 0 auto var(--spacing-48);
}
.section-header .subheading,
.section-header p {
  color: var(--color-graphite);
  margin-top: var(--spacing-16);
}

/* Stat strip */
.stat-strip {
  text-align: center;
  color: var(--color-graphite);
}

/* ---------- Logo marquee ---------- */
.logo-marquee {
  margin-top: var(--spacing-24);
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.logo-track {
  display: flex;
  gap: var(--spacing-8);
  width: max-content;
  animation: logo-scroll 32s linear infinite;
}
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-25%); } /* list is duplicated 4× → -25% loops seamlessly */
}
@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none; }
}
.logo-card {
  flex: 0 0 auto;
  background: var(--color-faint-slate);
  border-radius: var(--radius-cards);
  padding: var(--spacing-16) var(--spacing-24);
  min-width: 200px;
  display: grid;
  place-items: center;
  font-family: var(--font-gtplanar);
  font-weight: 600;
  color: var(--color-graphite);
  filter: grayscale(1);
  font-size: 15px;
  white-space: nowrap;
}

/* ---------- Project / feature cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-16);
}
/* stretch to fill when there are only 2 items */
.card-grid:has(> .card:nth-child(2):last-child) {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 900px) {
  .card-grid,
  .card-grid:has(> .card:nth-child(2):last-child) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 600px) {
  .card-grid,
  .card-grid:has(> .card:nth-child(2):last-child) {
    grid-template-columns: minmax(0, 1fr);
  }
}
.card {
  background: var(--color-lavender-mist);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease;
}
.card:hover { transform: translateY(-2px); }
.card:nth-child(3n + 2) { background: var(--color-cream-wash); }
.card:nth-child(3n + 3) { background: var(--color-sky-tint); }

/* Browser window mockup */
.browser-mock {
  background: var(--color-paper-white);
  border: 1px solid var(--color-lavender-mist);
  border-radius: 3px;
  overflow: hidden;
}
.browser-bar {
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-lavender-mist);
}
.browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-blue-gray-mist);
}
.browser-body {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  color: var(--color-graphite);
  font-family: var(--font-gtstandardmono);
  font-size: 13px;
  letter-spacing: 0.04em;
  background: var(--color-faint-slate);
  overflow: hidden;
}
.browser-body img { width: 100%; height: 100%; object-fit: cover; }

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-family: var(--font-gtstandardmono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-tags);
  border: 1px solid var(--color-ink-black);
  color: var(--color-ink-black);
}
.card-body { color: var(--color-graphite); font-size: 15px; margin: 0; }
.card-foot {
  margin-top: auto;
  font-family: var(--font-gtstandardmono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Service direction cards ---------- */
.services-grid {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}
.service-card {
  gap: var(--spacing-24);
  min-height: 260px;
}
.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.service-index {
  font-family: var(--font-gtstandardmono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-graphite);
}
.service-arrow {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--color-ink-black);
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  transition: background 0.15s ease, color 0.15s ease;
}
.service-card:hover .service-arrow {
  background: var(--color-ink-black);
  color: var(--color-paper-white);
}
.service-title {
  margin-top: auto;
}
.service-count {
  font-family: var(--font-gtstandardmono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-graphite);
}
.service-count::before {
  content: "— ";
}

/* ---------- Two-column API-style block ---------- */
.two-col {
  display: grid;
  grid-template-columns: 55% 1fr;
  gap: var(--spacing-32);
  align-items: start;
}
.code-card {
  background: var(--color-blue-gray-mist);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
}
.code-card .mono { color: var(--color-ink-black); margin-bottom: var(--spacing-12); }
.code-field {
  background: var(--color-paper-white);
  border: 1px solid var(--color-lavender-mist);
  border-radius: 3px;
  padding: 10px 12px;
  font-family: var(--font-gtstandardmono);
  font-size: 13px;
  margin-top: var(--spacing-8);
}
.link-underline {
  color: var(--color-ink-black);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-48);
  align-items: start;
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--spacing-16);
  padding: 0;
  list-style: none;
}

/* ---------- Contact ---------- */
.contact {
  text-align: center;
}
.contact .heading-lg { max-width: 18ch; margin-inline: auto; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-signal-orange);
  color: var(--color-ink-black);
  padding-block: var(--spacing-56);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-24);
  justify-content: space-between;
  align-items: center;
}
.footer a { text-decoration: underline; text-underline-offset: 3px; }
.footer .mono { color: var(--color-ink-black); }

/* ---------- Project detail page ---------- */
.detail-hero {
  padding-block: var(--spacing-56) var(--spacing-32);
}
.detail-back {
  font-family: var(--font-gtstandardmono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-graphite);
  display: inline-flex;
  gap: 6px;
  margin-bottom: var(--spacing-24);
}
.detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-16);
  margin-top: var(--spacing-32);
  border-top: 1px solid var(--color-lavender-mist);
  padding-top: var(--spacing-24);
}
.detail-meta dt {
  font-family: var(--font-gtstandardmono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-graphite);
  margin-bottom: 4px;
}
.detail-meta dd { margin: 0; font-weight: 500; }
.detail-body {
  max-width: 68ch;
  margin-inline: auto;
}
.detail-body p { color: var(--color-graphite); }
/* ---------- Project media (aspect-ratio tiers) ----------
   Each shot is sized by what it is, not by the text column. Wide UI shots
   break out wider than the prose; square/portrait social posts tile in a
   masonry row; full-page screenshots preview and open in the lightbox.
   Tiers are assigned in app.js (shotTier) from IMG_DIMS. */
.detail-media {
  max-width: 1120px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}
.detail-media--lead {
  margin-bottom: var(--spacing-8);
}
.shot {
  margin: 0;
  border-radius: var(--radius-cards);
  border: 1px solid var(--color-lavender-mist);
  background: var(--color-faint-slate);
  overflow: hidden;
  cursor: zoom-in;
}
.shot img {
  width: 100%;
  height: auto;
  display: block;
}
.shot:focus-visible {
  outline: 2px solid var(--color-ink-black);
  outline-offset: 2px;
}

/* Full-width rows: wide / banner / long shots, and the lead image. */
.shot-row--full .shot {
  width: 100%;
}
/* A square or portrait shot standing on its own row would tower over the
   viewport at full width — cap it by height (so even a 9:16 story fits on
   screen) and centre it. */
.shot-row--full.is-tall {
  display: flex;
  justify-content: center;
}
.shot-row--full.is-tall .shot {
  max-width: 100%;
}
.shot-row--full.is-tall .shot img {
  max-height: 74vh;
  width: auto;
  max-width: 100%;
}

/* Masonry-tiled rows: consecutive square / portrait social posts. */
.shot-row--grid {
  column-count: var(--cols, 3);
  column-gap: var(--spacing-16);
}
.shot-row--grid .shot {
  break-inside: avoid;
  margin-bottom: var(--spacing-16);
}

/* Full-page screenshots: preview the top, fade out, open full in lightbox. */
.shot--long {
  position: relative;
  max-height: 72vh;
}
.shot--long img {
  object-fit: cover;
  object-position: top;
}
.shot--long .shot-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0),
    var(--color-faint-slate)
  );
  pointer-events: none;
}
.shot--long::after {
  content: "↕";
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--color-ink-black);
  color: var(--color-paper-white);
  font-size: 15px;
}

@media (max-width: 720px) {
  /* On phones, social posts tile 2-up (still tappable); wide UI shots go
     single-column so a dashboard doesn't shrink to an unreadable thumbnail. */
  .shot-row--tile {
    column-count: min(var(--cols, 2), 2);
  }
  .shot-row--wide {
    column-count: 1;
  }
}

/* ---------- Lightbox ---------- */
.lightbox {
  border: 0;
  padding: 0;
  max-width: 100vw;
  max-height: 100vh;
  background: transparent;
  overflow: visible;
}
.lightbox::backdrop {
  background: rgba(12, 12, 18, 0.82);
}
.lightbox-inner {
  max-width: min(1200px, 94vw);
  max-height: 92vh;
  margin: auto;
  overflow: auto;
  border-radius: var(--radius-cards);
  -webkit-overflow-scrolling: touch;
}
.lightbox-inner img {
  width: 100%;
  height: auto;
  display: block;
}
.lightbox-close {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: var(--color-paper-white);
  color: var(--color-ink-black);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

/* ---------- Legal pages (Impressum / Datenschutz) ---------- */
.legal-body .legal-section + .legal-section {
  margin-top: var(--spacing-32);
}
.legal-body .legal-section h2 {
  margin-bottom: var(--spacing-8);
}
.legal-body p { margin: 0.5em 0; }
.legal-body a {
  color: var(--color-ink-black);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer-legal a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Consent banner ---------- */
.consent-banner {
  position: fixed;
  left: var(--spacing-16);
  right: var(--spacing-16);
  bottom: var(--spacing-16);
  z-index: 999;
  background: var(--color-ink-black);
  color: var(--color-paper-white);
  border-radius: var(--radius-cards);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  animation: consent-in 0.25s ease-out;
}
@keyframes consent-in {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.consent-inner {
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding: var(--spacing-24);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-24);
  align-items: center;
}
.consent-copy .subheading { color: var(--color-paper-white); margin-bottom: 4px; }
.consent-copy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
  max-width: 68ch;
}
.consent-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  white-space: nowrap;
}
.consent-more {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: 14px;
}
.consent-accept.btn-primary {
  background: var(--color-paper-white);
  color: var(--color-ink-black);
  border-color: var(--color-paper-white);
}
@media (max-width: 720px) {
  .consent-inner {
    grid-template-columns: 1fr;
    padding: var(--spacing-16);
  }
  .consent-actions { justify-content: space-between; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .two-col,
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links,
  .nav-right .btn { display: none; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-ink-black);
    border-radius: var(--radius-buttons);
    background: transparent;
    cursor: pointer;
  }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-16);
    background: var(--color-paper-white);
    border-bottom: 1px solid var(--color-lavender-mist);
    padding: var(--spacing-24);
  }
  .section,
  .hero { padding-block: var(--spacing-56); }
}