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

:root {
  --bg-shell:   #1a2010;
  --bg-footer:  #101508;
  --gold:       #f5c400;
  --gold-light: #ffd840;
  --gold-dark:  #9a7c00;
  --fg:         #d0e0c0;
  --fg-mute:    #a4b490;
  --fg-dim:     #5a6a44;
  --border:     #2e3818;
  --mono:       'IBM Plex Mono', monospace;
  --display:    'Bebas Neue', sans-serif;
  --body:       'Inter', sans-serif;
  --header-h:   52px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  background: var(--bg-shell);
}

/* ── Sticky header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 6, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(181, 166, 66, 0.12);
  transition: background 0.3s, border-color 0.3s;
}

.site-header.scrolled {
  background: rgba(6, 10, 3, 0.97);
  border-bottom-color: var(--border);
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  font-family: var(--display);
  font-size: 1.85rem;
  line-height: 1;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.header-brand:hover { color: var(--gold-light); }

.tab-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.tab {
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 0 1rem;
  color: var(--fg-dim);
  border-bottom: 3px solid transparent;
  display: flex;
  align-items: center;
  transition: color 0.2s, border-color 0.2s;
}

.tab:hover { color: var(--fg); }

.tab-about.active    { color: #f5c400; border-color: #f5c400; }
.tab-projects.active { color: #f5c400; border-color: #f5c400; }
.tab-aktuell.active  { color: #f5c400; border-color: #f5c400; }
.tab-mehr.active     { color: #f5c400; border-color: #f5c400; }
.tab-certs.active    { color: #f5c400; border-color: #f5c400; }

/* ── Hero section ── */
.hero-section {
  min-height: calc(100vh - var(--header-h));
  background: url('treehouse.jpg') center center / cover no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 2rem 1rem 4rem;
  text-align: center;
  position: relative;
  cursor: crosshair;
}

.scratch-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}

.hero-section > *:not(.scratch-canvas) {
  position: relative;
  z-index: 1;
}

.monogram {
  font-family: var(--display);
  font-size: clamp(3.2rem, 11vw, 8rem);
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: #f5c400;
  text-shadow:
    2px  2px 0 #d4a800,
    4px  4px 0 #b08e00,
    6px  6px 0 #8a6e00,
    8px  8px 0 #5e4a00,
    10px 10px 0 #342a00;
  user-select: none;
  pointer-events: none;
}

.hero-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.4rem;
}

.hero-name {
  font-family: var(--mono);
  font-size: clamp(0.72rem, 2vw, 0.95rem);
  color: var(--fg-mute);
  letter-spacing: 0.08em;
}

.hero-role {
  font-family: var(--mono);
  font-size: clamp(0.6rem, 1.5vw, 0.78rem);
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

.hero-jake {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  max-width: 520px;
}

.jake-hero {
  width: clamp(48px, 7vw, 72px);
  flex-shrink: 0;
  cursor: pointer;
  animation: float 5s ease-in-out infinite;
  transition: filter 0.2s;
}

.jake-hero:hover { filter: brightness(1.15); }

.jake-quote {
  font-family: var(--mono);
  font-size: clamp(0.6rem, 1.2vw, 0.78rem);
  color: var(--fg-mute);
  font-style: italic;
  line-height: 1.45;
  cursor: pointer;
  transition: opacity 0.2s;
  opacity: 0.85;
  text-align: left;
}

.jake-quote:hover { opacity: 1; }

.scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.63rem;
  color: var(--fg-dim);
  letter-spacing: 0.18em;
  pointer-events: none;
  animation: bounce-hint 2.5s ease-in-out infinite;
}

@keyframes bounce-hint {
  0%, 100% { transform: translateX(-50%) translateY(0);   opacity: 0.45; }
  50%       { transform: translateX(-50%) translateY(7px); opacity: 0.9;  }
}

/* ── Page sections ── */
.page-section {
  padding: 5rem 1.5rem 6rem;
}

.section-inner {
  max-width: 780px;
  margin: 0 auto;
}

.page-section[data-theme="about"] {
  background: #1e2210;
  --panel-accent:       #f5c400;
  --panel-accent-light: #ffd840;
  --panel-accent-dark:  #7a6200;
  --panel-border:       #2e3818;
  --panel-bg-card:      #171e0c;
}

.page-section[data-theme="projects"] {
  background: #1a1e0c;
  --panel-accent:       #f5c400;
  --panel-accent-light: #ffd840;
  --panel-accent-dark:  #7a6200;
  --panel-border:       #283214;
  --panel-bg-card:      #141a08;
}

.page-section[data-theme="aktuell"] {
  background: #1c2110;
  --panel-accent:       #f5c400;
  --panel-accent-light: #ffd840;
  --panel-accent-dark:  #7a6200;
  --panel-border:       #2a3416;
  --panel-bg-card:      #141c0a;
}

.page-section[data-theme="mehr"] {
  background: #18200e;
  --panel-accent:       #f5c400;
  --panel-accent-light: #ffd840;
  --panel-accent-dark:  #7a6200;
  --panel-border:       #263014;
  --panel-bg-card:      #121a08;
}

.page-section[data-theme="certs"] {
  background: #161e0a;
  --panel-accent:       #f5c400;
  --panel-accent-light: #ffd840;
  --panel-accent-dark:  #7a6200;
  --panel-border:       #243014;
  --panel-bg-card:      #101608;
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-footer);
  border-top: 2px solid var(--gold-dark);
  padding: 0.55rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--fg-dim);
}

.footer-name .sep { opacity: 0.5; margin: 0 0.35rem; }

.footer-links { display: flex; gap: 1.25rem; }

.footer-links a {
  color: var(--fg-mute);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--gold-light); }

/* ── Section label ── */
.panel-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--panel-accent);
  margin-bottom: 1.75rem;
  font-family: var(--mono);
}

/* ── About ── */
.panel-about-body {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

.about-avatar-wrap {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--panel-accent);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.avatar:hover {
  transform: scale(1.07);
  border-color: var(--panel-accent-light);
}

.jake-intro {
  width: 100px;
  cursor: pointer;
  animation: float 5s ease-in-out infinite;
  transition: transform 0.2s;
}

.jake-intro:hover { transform: scale(1.12) rotate(3deg); }

.about-text { flex: 1; }

.lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--fg);
  font-weight: 500;
  margin-bottom: 0.9rem;
}

.lead em { color: var(--panel-accent-light); font-style: normal; }

.sub {
  font-size: 0.82rem;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.sub-meta {
  margin-top: 0.25rem;
  color: var(--panel-accent);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.intro-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--panel-border);
}

.stat { display: flex; flex-direction: column; gap: 0.1rem; cursor: default; }

.stat-n {
  font-family: var(--display);
  font-size: 1.8rem;
  color: var(--panel-accent-light);
  line-height: 1;
}

.stat-l {
  font-size: 0.62rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.socials-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: var(--panel-bg-card);
  border: 2px solid var(--panel-border);
  border-radius: 4px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.social-link:hover {
  border-color: var(--panel-accent);
  box-shadow: 4px 4px 0 var(--panel-accent-dark);
  transform: translate(-1px, -1px);
}

.social-platform {
  font-family: var(--display);
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--fg);
  min-width: 100px;
}

.social-handle { font-size: 0.8rem; color: var(--fg-mute); flex: 1; }
.social-arrow  { font-size: 1rem; color: var(--panel-accent); }

/* ── Projects ── */
.panel-scroll { display: flex; flex-direction: column; gap: 0.75rem; }

.projects-loading {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  animation: blink 1s step-end infinite;
}

.project {
  padding: 1.1rem 1.25rem;
  background: var(--panel-bg-card);
  border: 2px solid var(--panel-border);
  border-radius: 4px;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.project:hover {
  border-color: var(--panel-accent);
  box-shadow: 4px 4px 0 var(--panel-accent-dark);
  transform: translate(-1px, -1px);
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.lang {
  font-size: 0.62rem;
  color: var(--panel-accent-light);
  border: 1px solid var(--panel-border);
  padding: 0.12em 0.5em;
  border-radius: 2px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.repo-link {
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.15s;
}

.repo-link:hover { color: var(--panel-accent-light); }

.project h3 {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--fg);
  margin-bottom: 0.4rem;
}

.project p { font-size: 0.83rem; color: var(--fg-mute); line-height: 1.65; }
.project p em { color: var(--panel-accent-light); font-style: normal; }

/* ── Aktuell ── */
.aktuell-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.1rem;
}

.aktuell-card {
  padding: 1.25rem;
  background: var(--panel-bg-card);
  border: 2px solid var(--panel-border);
  border-radius: 4px;
  box-shadow: 3px 3px 0 var(--panel-accent-dark);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.aktuell-card:hover {
  border-color: var(--panel-accent);
  box-shadow: 5px 5px 0 var(--panel-accent-dark);
  transform: translate(-1px, -1px);
}

.aktuell-badge {
  display: inline-block;
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--panel-accent-light);
  border: 1px solid var(--panel-border);
  padding: 0.12em 0.5em;
  border-radius: 2px;
  margin-bottom: 0.65rem;
}

.aktuell-card h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--fg);
  margin-bottom: 0.45rem;
  letter-spacing: 0.06em;
}

.aktuell-card p { font-size: 0.8rem; color: var(--fg-mute); line-height: 1.6; }

/* ── Mehr ── */
.section-title {
  font-family: var(--display);
  font-size: 1.6rem;
  letter-spacing: 0.1em;
  color: var(--panel-accent);
  margin: 1.5rem 0 0.75rem;
}

.section-title:first-child { margin-top: 0; }

.edu-entry {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--panel-bg-card);
  border: 2px solid var(--panel-border);
  border-radius: 4px;
  box-shadow: 3px 3px 0 var(--panel-accent-dark);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
  margin-bottom: 0.6rem;
}

.edu-entry:hover {
  border-color: var(--panel-accent);
  box-shadow: 5px 5px 0 var(--panel-accent-dark);
  transform: translate(-1px, -1px);
}

.edu-year {
  font-size: 0.7rem;
  color: var(--panel-accent);
  padding-top: 0.15rem;
  font-weight: 500;
  line-height: 1.4;
}

.edu-right strong {
  display: block;
  font-family: var(--display);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  margin-bottom: 0.18rem;
}

.edu-location {
  display: block;
  font-size: 0.7rem;
  color: var(--fg-dim);
  margin-bottom: 0.45rem;
}

.edu-right p { font-size: 0.82rem; color: var(--fg-mute); }

.job-list { display: flex; flex-direction: column; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 0.25rem;
}

.skill-group {
  padding: 1.25rem;
  background: var(--panel-bg-card);
  border: 2px solid var(--panel-border);
  border-radius: 4px;
  box-shadow: 3px 3px 0 var(--panel-accent-dark);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.skill-group:hover {
  border-color: var(--panel-accent);
  box-shadow: 5px 5px 0 var(--panel-accent-dark);
  transform: translate(-1px, -1px);
}

.skill-group h4 {
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--panel-accent-light);
  margin-bottom: 0.8rem;
}

.skill-group ul { list-style: none; }

.skill-group li {
  font-size: 0.8rem;
  color: var(--fg-mute);
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.15s, transform 0.12s;
}

.skill-group li:hover { color: var(--panel-accent-light); transform: translateX(4px); }
.skill-group li:last-child { border-bottom: none; }

.skill-group li::before {
  content: '▸';
  color: var(--panel-accent);
  font-size: 0.58rem;
  flex-shrink: 0;
}

/* ── Terminal ── */
.terminal {
  margin-top: 2rem;
  background: #0a0f06;
  border: 2px solid var(--panel-border);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--mono);
}

.terminal-bar {
  background: var(--panel-bg-card);
  padding: 0.5rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border-bottom: 1px solid var(--panel-border);
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--panel-border);
}

.terminal-dot:nth-child(1) { background: #3a2020; }
.terminal-dot:nth-child(2) { background: #3a3020; }
.terminal-dot:nth-child(3) { background: #203a20; }

.terminal-title {
  font-size: 0.62rem;
  color: var(--fg-dim);
  margin-left: 0.4rem;
  letter-spacing: 0.04em;
}

.terminal-body {
  padding: 1rem 1.25rem 1.25rem;
  font-size: 0.78rem;
  line-height: 1.85;
  min-height: 180px;
}

.t-line { display: block; white-space: pre-wrap; }
.t-prompt { color: var(--panel-accent); }
.t-cmd { color: var(--fg); }
.t-out { color: var(--fg-dim); }
.t-out-key { color: var(--fg-mute); }

.t-cursor {
  display: inline-block;
  width: 0.5em;
  height: 0.9em;
  background: var(--panel-accent);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Certifications ── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 0.25rem;
}

.cert-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem;
  background: var(--panel-bg-card);
  border: 2px solid var(--panel-border);
  border-radius: 4px;
  box-shadow: 3px 3px 0 var(--panel-accent-dark);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.cert-card:hover {
  border-color: var(--panel-accent);
  box-shadow: 5px 5px 0 var(--panel-accent-dark);
  transform: translate(-1px, -1px);
}

.cert-issuer {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--panel-accent-light);
}

.cert-name {
  font-family: var(--display);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  line-height: 1.1;
}

.cert-link {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.72rem;
  color: var(--panel-accent);
  font-family: var(--mono);
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0)     rotate(-2deg); }
  50%       { transform: translateY(-9px)  rotate(2deg);  }
}

@keyframes jake-pop {
  0%   { transform: translateY(0)     rotate(-2deg) scale(1);    filter: drop-shadow(0 0  0px transparent); }
  18%  { transform: translateY(-36px) rotate( 9deg) scale(1.18); filter: drop-shadow(0 0 10px var(--gold-light)); }
  40%  { transform: translateY(-22px) rotate(-7deg) scale(1.12); filter: drop-shadow(0 0 14px var(--gold-light)); }
  62%  { transform: translateY(-10px) rotate( 4deg) scale(1.06); filter: drop-shadow(0 0  8px var(--gold-light)); }
  80%  { transform: translateY( -4px) rotate(-2deg) scale(1.02); filter: drop-shadow(0 0  4px var(--gold-light)); }
  100% { transform: translateY(0)     rotate(-2deg) scale(1);    filter: drop-shadow(0 0  0px transparent); }
}

@keyframes avatar-pop {
  0%   { transform: scale(1);    border-color: var(--panel-accent); }
  40%  { transform: scale(1.15); border-color: var(--panel-accent-light); }
  70%  { transform: scale(0.97); }
  100% { transform: scale(1);    border-color: var(--panel-accent); }
}

.jake-popping   { animation: jake-pop   0.75s ease-out forwards !important; }
.avatar-popping { animation: avatar-pop 0.6s  ease-out forwards !important; }

/* ── Responsive ── */
@media (max-width: 600px) {
  :root { --header-h: 46px; }

  .tab { padding: 0 0.55rem; font-size: 0.82rem; }
  .header-brand { font-size: 1.5rem; }

  .page-section { padding: 3rem 1rem 4rem; }

  .panel-about-body { flex-direction: column; align-items: center; }
  .about-avatar-wrap { flex-direction: row; }

  .edu-entry { grid-template-columns: 1fr; gap: 0.4rem; }

  .site-footer { font-size: 0.65rem; }
  .footer-links { gap: 0.85rem; }
}