/* Martin Absenger — personal site
   Implemented from the "Martin Absenger Site v3" design.
   Palette: warm dark "loden/brass" theme (design default).
   Type: Newsreader (serif display), IBM Plex Sans (body), IBM Plex Mono (labels). */

@import url("fonts.css"); /* self-hosted webfonts — no third-party request */

:root {
  /* Type families */
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Type scale */
  --text-2xs: 0.6875rem;  /* 11px */
  --text-xs:  0.75rem;    /* 12 */
  --text-sm:  0.875rem;   /* 14 */
  --text-base:1rem;       /* 16 */
  --text-lg:  1.125rem;   /* 18 */
  --text-xl:  1.375rem;   /* 22 */
  --text-2xl: 1.75rem;    /* 28 */
  --text-3xl: 2.25rem;    /* 36 */

  /* Corner radii */
  --radius-md: 5px;

  /* Resolved dark palette */
  --bg-page:        #1E2219;
  --stone-100:      #282D22;
  --surface-card:   #282D22;

  --text-primary:   #EFEEE4;
  --text-secondary: #B9B8AB;
  --text-muted:     #8F8E81;
  --text-faint:     #67665B;
  --text-on-accent: #1E2219;

  --text-link:      #CBB585;
  --accent:         #CBB585;   /* brass gold */
  --accent-hover:   #DACBA4;
  --accent-active:  #A98A4B;

  --brass-500:      #94A187;   /* loden green — secondary accent */
  --brass-600:      #94A187;

  --border-hairline: rgba(239, 238, 228, 0.10);
  --border-default:  rgba(239, 238, 228, 0.22);
  --border-strong:   rgba(239, 238, 228, 0.34);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--text-link); text-decoration: none; }
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

img { max-width: 100%; display: block; }

em { font-style: italic; }

/* ---------- Language switching ---------- */
html[lang="en"] [data-lang="de"] { display: none; }
html[lang="de"] [data-lang="en"] { display: none; }

/* Emphasis inside body copy */
.hl { color: var(--text-primary); font-weight: 400; }

/* ---------- Layout ---------- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}
.page { position: relative; z-index: 1; }

/* ---------- Drifting background ---------- */
.bg-drift {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-drift span {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(48px);
}
.bg-drift__a {
  width: 65vw; height: 65vw; left: -12vw; top: -22vw;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 11%, transparent) 0%, transparent 65%);
  animation: drift1 38s ease-in-out infinite alternate;
}
.bg-drift__b {
  width: 55vw; height: 55vw; right: -14vw; bottom: -20vw;
  background: radial-gradient(circle, color-mix(in srgb, var(--brass-500) 8%, transparent) 0%, transparent 65%);
  animation: drift2 46s ease-in-out infinite alternate;
}
@keyframes drift1 {
  0%   { transform: translate(-6%, -4%) scale(1); }
  100% { transform: translate(7%, 9%) scale(1.12); }
}
@keyframes drift2 {
  0%   { transform: translate(6%, 5%) scale(1.08); }
  100% { transform: translate(-7%, -8%) scale(1); }
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg-page) 97%, transparent);
  border-bottom: 1px solid var(--border-hairline);
}
.site-header--plain { position: static; background: transparent; }

.site-header__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.nav { display: flex; align-items: baseline; gap: 32px; }
.article-nav { display: inline-flex; align-items: baseline; gap: 24px; }
.nav__group { display: flex; align-items: baseline; gap: 32px; }
.nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.nav__link--cta {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 3px;
}
.nav__back {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.lang-switch {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
  border-left: 1px solid var(--border-default);
  padding-left: 24px;
}
.lang-switch--tight { padding-left: 20px; }
.lang-btn {
  all: unset;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.14em;
  color: var(--text-faint);
}
.lang-btn.is-active { color: var(--accent); }

/* Visible keyboard focus. `.lang-btn` uses `all: unset`, which clears the
   default outline, so restore a focus ring for it and all interactive
   elements. Mouse clicks don't trigger :focus-visible, so the reset stays
   clean for pointer users. */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Shared bits ---------- */
.eyebrow-row { display: flex; align-items: center; gap: 14px; }
.tick { display: inline-block; width: 28px; height: 2px; background: var(--brass-500); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.eyebrow-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.18em;
  color: var(--brass-600);
}

.rule { width: 100%; height: 1px; background: var(--border-hairline); }

/* ---------- Hero ---------- */
.hero { padding: 128px 0 96px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 64px;
  align-items: end;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.hero__title {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.028em;
  line-height: 1.02;
  margin: 34px 0 0;
  max-width: 17ch;
  font-size: clamp(44px, 7vw, 92px);
  text-wrap: balance;
}
.hero__title em { font-weight: 400; color: var(--accent); }
.hero__lede {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 52ch;
  margin: 36px 0 0;
  font-weight: 300;
}

.hero__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: 8px;
}
.portrait {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
}
.hero__meta {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--text-muted);
}
.hero__meta .accent2 { color: var(--brass-600); }

/* Stats */
.stats {
  display: flex;
  gap: 56px;
  margin-top: 88px;
  border-top: 1px solid var(--border-hairline);
  padding-top: 30px;
  flex-wrap: wrap;
}
.stat__num {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-style: italic;
  color: var(--accent);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 6px;
}
.stats__tag {
  margin-left: auto;
  align-self: center;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--text-faint);
}

/* ---------- Sections ---------- */
.sec-head { display: flex; align-items: center; gap: 14px; }

.s-work { padding: 32px 0 104px; scroll-margin-top: 70px; }
.s-work .sec-head { margin-bottom: 12px; }

.work-row {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  padding: 44px 0;
  align-items: start;
  border-top: 1px solid var(--border-hairline);
}
.work-row--first { border-top-color: var(--border-default); }
.work-row--last { border-bottom: 1px solid var(--border-hairline); }
.work-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}
.work-title .dot { color: var(--brass-500); }
.work-desc {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-secondary);
  font-weight: 300;
  margin: 0;
  max-width: 56ch;
}

/* Ventures */
.s-ventures {
  background: var(--stone-100);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  scroll-margin-top: 70px;
}
.s-ventures__inner { padding: 88px 0 96px; }
.ventures__intro {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 30px);
  font-style: italic;
  font-weight: 400;
  color: var(--text-secondary);
  margin: 26px 0 56px;
  max-width: 36ch;
  line-height: 1.35;
  text-wrap: balance;
}
.vent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.vent--l { border-right: 1px solid var(--border-default); padding-right: 56px; }
.vent--r { padding-left: 56px; }
.vent__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.14em;
  color: var(--brass-600);
}
.vent__name {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin: 14px 0 0;
}
.vent__desc {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-secondary);
  font-weight: 300;
  margin: 18px 0 0;
}
.vent__link {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

/* Writing */
.s-writing { padding: 96px 0; scroll-margin-top: 70px; }
.s-writing .sec-head { margin-bottom: 40px; }
.writing-list { display: flex; flex-direction: column; }
.post {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-top: 1px solid var(--border-hairline);
  color: var(--text-primary);
  transition: background 200ms cubic-bezier(0.16, 0.8, 0.3, 1);
}
.post--last { border-bottom: 1px solid var(--border-hairline); }
.post:hover { background: var(--surface-card); text-decoration: none; color: var(--text-primary); }
.post__year {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.1em;
  color: var(--text-faint);
}
.post__title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.post__arrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
}
.writing-note {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin: 16px 0 0;
}

/* Contact */
.s-contact { border-top: 1px solid var(--border-hairline); scroll-margin-top: 70px; }
.s-contact__inner { padding: 104px 0 96px; }
.s-contact .sec-head { margin-bottom: 30px; }
.contact__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
  max-width: 22ch;
  text-wrap: balance;
}
.contact__title em { font-weight: 400; color: var(--accent); }
.contact__lede {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 50ch;
  margin: 26px 0 0;
}
.contact__actions {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
  align-items: center;
}
.contact__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}
.signature {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--text-faint);
  margin-top: 72px;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 200ms, border-color 200ms;
}
.btn--primary {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--text-on-accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--text-on-accent);
  text-decoration: none;
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-hairline); }
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.1em;
  color: var(--text-faint);
  flex-wrap: wrap;
}
.site-footer__inner a { color: var(--text-faint); }

/* ---------- Article ---------- */
.article { max-width: 720px; margin: 0 auto; padding: 96px 40px 80px; }
.article__title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.06;
  margin: 28px 0 0;
  text-wrap: balance;
}
.article__dek {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 26px 0 0;
}
.article .rule--top { margin: 44px 0; }
.article .rule--foot { margin: 56px 0 28px; }
.prose {
  font-size: var(--text-lg);
  line-height: 1.85;
  color: var(--text-secondary);
  font-weight: 300;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.prose p { margin: 0; }
.dropcap {
  float: left;
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 0.8;
  padding: 8px 12px 0 0;
  color: var(--accent);
}
.article__foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
}
.article__sign {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--text-faint);
}
.article__next {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

/* ---------- Impressum / legal ---------- */
.legal { max-width: 720px; margin: 0 auto; padding: 88px 40px 96px; }
.legal__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 26px 0 0;
}
.legal__sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 14px 0 0;
  font-weight: 300;
}
.legal .rule--40 { margin: 40px 0; }
.legal__body {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 300;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.legal__body h2 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.legal__body p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .work-row { grid-template-columns: 1fr; gap: 14px; }
  .vent-grid { grid-template-columns: 1fr; gap: 56px; }
  .vent--l { border-right: none; padding-right: 0; }
  .vent--r { padding-left: 0; }
}

@media (max-width: 700px) {
  .container { padding-left: 22px; padding-right: 22px; }
  .article, .legal { padding-left: 22px; padding-right: 22px; }
  .nav { gap: 14px; flex-wrap: wrap; justify-content: flex-end; row-gap: 8px; }
  .nav__group { gap: 14px; flex-wrap: wrap; justify-content: flex-end; row-gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  html { scroll-behavior: auto; }
}