/* ============================================
   SECTIONS — Layout pro Bereich
   ============================================ */

/* === BACKGROUND LAYERS === */
.bg-stars {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(124,255,90,.9), transparent 50%),
    radial-gradient(1px 1px at 70% 60%, rgba(57,255,20,.6), transparent 50%),
    radial-gradient(1px 1px at 45% 85%, rgba(255,255,255,.4), transparent 50%),
    radial-gradient(1.5px 1.5px at 82% 22%, rgba(124,255,90,.7), transparent 50%),
    radial-gradient(1px 1px at 12% 70%, rgba(180,255,150,.5), transparent 50%),
    radial-gradient(1px 1px at 60% 15%, rgba(255,255,255,.3), transparent 50%);
  background-size: 400px 400px, 300px 300px, 500px 500px, 450px 450px, 350px 350px, 600px 600px;
  animation: drift 120s linear infinite;
}
@keyframes drift {
  from { background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0; }
  to   { background-position: 400px 400px, -300px 300px, 500px -500px, -450px 450px, 350px -350px, -600px 600px; }
}
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.12;
  background-image:
    linear-gradient(30deg,  var(--line) 12%, transparent 12.5% 87%, var(--line) 87.5%),
    linear-gradient(150deg, var(--line) 12%, transparent 12.5% 87%, var(--line) 87.5%),
    linear-gradient(30deg,  var(--line) 12%, transparent 12.5% 87%, var(--line) 87.5%),
    linear-gradient(150deg, var(--line) 12%, transparent 12.5% 87%, var(--line) 87.5%);
  background-size: 40px 70px;
  background-position: 0 0, 0 0, 20px 35px, 20px 35px;
}

/* === Comets — generated in JS === */
.comet {
  position: fixed;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), #fff);
  transform: rotate(-25deg);
  opacity: 0;
  filter: blur(.3px);
  box-shadow: 0 0 8px var(--green);
  pointer-events: none;
  z-index: 1;
  animation: comet-fly linear infinite;
}
@keyframes comet-fly {
  0%   { transform: rotate(-25deg) translateX(-200px); opacity: 0; }
  10%  { opacity: 1; }
  100% { transform: rotate(-25deg) translateX(700px); opacity: 0; }
}

main, header, footer { position: relative; z-index: 2; }

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s-3) var(--pad-x);
  background: rgba(3, 5, 3, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-brand {
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 3px;
  font-size: 14px;
}
.nav-brand .accent { color: var(--green); text-shadow: 0 0 6px rgba(57,255,20,.9); }
.nav-links {
  display: flex;
  gap: var(--s-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.nav-links a:hover { color: var(--green); }
.nav-links .num { color: var(--green); margin-right: 2px; }
.nav-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* === HERO === */
.hero {
  padding: var(--s-8) var(--pad-x) var(--s-7);
  min-height: 520px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--s-6);
  align-items: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(64px, 10vw, 120px);
  line-height: 0.88;
  letter-spacing: -4px;
  color: #fff;
}
.hero h1 .name {
  color: var(--green);
  font-style: italic;
  font-weight: 300;
}
.hero h1 .quiet { color: var(--ink-dim); font-weight: 300; }
.hero-cta { display: flex; gap: var(--s-3); margin-top: var(--s-5); }

.hero-meta {
  margin-top: var(--s-3);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
}
.hero-meta .row { display: flex; justify-content: space-between; padding: 2px 0; }
.hero-meta .row .v { color: var(--green); }

@media (max-width: 720px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(48px, 14vw, 72px); }
}

/* === MARQUEE === */
.marquee {
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  padding: var(--s-2) 0;
  overflow: hidden;
  background: rgba(57, 255, 20, 0.03);
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--green);
  letter-spacing: 6px;
}
.marquee-track > span { margin-right: 40px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* === ABOUT === */
.about-text {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.3;
  font-weight: 300;
  color: var(--ink);
  max-width: 800px;
  text-wrap: pretty;
}
.about-text .accent {
  color: var(--green);
  border-bottom: 1px solid var(--green);
}

/* === PROJECTS === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
@media (max-width: 1024px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .projects-grid { grid-template-columns: 1fr; } }

/* === STACK + HEATMAP === */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: start;
}
.stack-cell, .heatmap-cell {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.cell-head {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
  min-height: 56px;
  margin-bottom: var(--s-3);
}
.cell-head .eyebrow { flex-shrink: 0; }
.cell-title {
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1;
  color: #fff;
  margin: 0;
}
@media (max-width: 1024px) {
  .split { grid-template-columns: 1fr; }
}

.skill { margin-bottom: var(--s-3); }
.skill-label {
  display: flex; justify-content: space-between;
  margin-bottom: var(--s-1);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px;
}
.skill-label .k { color: var(--green); }
.skill-label .v { color: var(--ink-dim); }
.skill-bar {
  height: 2px;
  background: var(--line);
  position: relative;
}
.skill-bar > span {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}

.heatmap {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 3px;
  /* eine angenehme Höhe — füllt die Spalte */
  aspect-ratio: 53 / 7;
  width: 100%;
}
.heatmap > span {
  background: rgba(57,255,20,0.06);
  border-radius: 1px;
}
.heatmap-total {
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: var(--s-2);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.heatmap-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.heatmap-status::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 4px var(--green);
}
.heatmap-status.is-live    { color: var(--green); }
.heatmap-status.is-loading { color: var(--ink-dim); }
.heatmap-status.is-loading::before { background: var(--ink-dim); box-shadow: none; animation: pulse-dot 1.2s ease-in-out infinite; }
.heatmap-status.is-offline { color: #ff7a3d; border-color: rgba(255,122,61,0.5); }
.heatmap-status.is-offline::before { background: #ff7a3d; box-shadow: 0 0 4px #ff7a3d; }
.heatmap-total .count { color: var(--green); }
.heatmap-total .count.dim { color: var(--ink-dim); }
.heatmap-legend {
  display: flex; align-items: center; justify-content: flex-end;
  gap: var(--s-1); margin-top: var(--s-2);
  font-family: var(--font-mono); font-size: 10px; color: var(--ink-dim);
}
.heatmap-legend > span {
  display: inline-block;
  width: 10px; height: 10px;
}

/* === BLOG === */
.blog-list { display: flex; flex-direction: column; }
.blog-row {
  display: grid;
  grid-template-columns: 90px 1fr 80px 24px;
  gap: var(--s-4);
  padding: var(--s-3) 0;
  border-top: 1px solid var(--line);
  align-items: center;
  cursor: pointer;
  transition: padding-left 280ms cubic-bezier(.2,.8,.2,1), background 280ms ease;
}
.blog-row .arrow {
  transition: transform 320ms cubic-bezier(.2,.8,.2,1);
}
.blog-row:hover .arrow { transform: translateX(6px); }
.blog-row:last-child { border-bottom: 1px solid var(--line); }
.blog-row:hover { padding-left: var(--s-3); background: rgba(57,255,20,0.02); }
.blog-row .date { font-family: var(--font-mono); font-size: 12px; color: var(--green); }
.blog-row .title { font-size: 22px; font-weight: 300; color: #fff; }
.blog-row .tag {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 1px;
  padding: 2px 6px; border: 1px solid var(--line-strong); color: var(--ink-dim); text-align: center;
}
.blog-row .arrow { color: var(--green); text-align: right; }

@media (max-width: 720px) {
  .blog-row { grid-template-columns: 1fr; gap: var(--s-1); }
  .blog-row .arrow { display: none; }
}

/* === GUESTBOOK === */
.guestbook {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--s-6);
}
@media (max-width: 900px) { .guestbook { grid-template-columns: 1fr; } }

.guestbook-form {
  border: 1px solid var(--line-strong);
  padding: var(--s-4);
  background: linear-gradient(135deg, rgba(57,255,20,0.03), transparent);
}
.guestbook-form .prompt {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-dim);
  margin-bottom: var(--s-2);
}
.guestbook-list .entry {
  padding: var(--s-2) 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
}
.guestbook-list .entry-meta { display: flex; justify-content: space-between; margin-bottom: 2px; }
.guestbook-list .alias { color: var(--green); }
.guestbook-list .time { color: var(--ink-dim); }
.guestbook-list .msg { color: var(--ink); }

/* === CONTACT === */
.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 140px);
  font-weight: 300;
  font-style: italic;
  color: var(--green);
  letter-spacing: -4px;
  line-height: 1.0;
  padding-bottom: 0.12em;
}
.contact-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-5);
  font-family: var(--font-mono);
  font-size: 14px;
}
@media (max-width: 720px) { .contact-list { grid-template-columns: 1fr; } }
.contact-row {
  padding: var(--s-3) 0;
  border-top: 1px solid var(--line-strong);
  display: flex; justify-content: space-between;
  cursor: pointer;
  transition: padding-left 280ms cubic-bezier(.2,.8,.2,1), background 280ms ease;
}
.contact-row:hover { padding-left: var(--s-2); background: rgba(57,255,20,0.03); }
.contact-row .l { transition: transform 280ms cubic-bezier(.2,.8,.2,1); }
.contact-row:hover .l { transform: translateX(4px); }
.contact-row .l {
  color: var(--ink-dim); text-transform: uppercase;
  letter-spacing: 3px; font-size: 11px;
}
/* === FOOTER === */

/* ===================================
   SCROLL EFFECTS
   =================================== */

/* === Reveal-on-scroll — futuristic side fly-in ===
   Sections fliegen abwechselnd von links / rechts ein.
   Mit Blur-Defocus, leichtem Skew + Y-Rotation für 3D-Hauch,
   und einem grünen Lichtstreif der vor der Section herzieht. */
main { perspective: 1600px; }

/* Default: von rechts einfliegen — nur Top-Level-Sections */
main > section[data-reveal] {
  opacity: 0;
  transform: translate3d(120px, 0, 0) skewX(-6deg) rotateY(-12deg) scale(.97);
  transform-origin: 100% 50%;
  filter: blur(14px) brightness(1.1);
  transition:
    opacity 950ms cubic-bezier(.16,.84,.24,1),
    transform 1100ms cubic-bezier(.16,.84,.24,1),
    filter 700ms cubic-bezier(.2,.8,.2,1);
  will-change: opacity, transform, filter;
  position: relative;
  overflow: clip;
}

/* Jede zweite Section: von links */
main > section[data-reveal]:nth-of-type(even) {
  transform: translate3d(-120px, 0, 0) skewX(6deg) rotateY(12deg) scale(.97);
  transform-origin: 0% 50%;
}

/* Sichtbar — alle landen am selben Punkt */
main > section[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) skewX(0) rotateY(0) scale(1);
  filter: blur(0) brightness(1);
}

/* Lichtstreif / scan-line der bei Reveal mitläuft */
main > section[data-reveal]::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg,
    transparent 0%,
    var(--green, #39ff14) 30%,
    var(--green, #39ff14) 70%,
    transparent 100%);
  box-shadow:
    0 0 16px 2px var(--green, #39ff14),
    0 0 48px 6px rgba(57,255,20,.35);
  opacity: 0;
  pointer-events: none;
  z-index: 3;
  right: -4px;
  transform: translateX(0);
}
main > section[data-reveal]:nth-of-type(even)::before {
  right: auto;
  left: -4px;
}
main > section[data-reveal].is-visible::before {
  animation: section-scan-right 950ms cubic-bezier(.16,.84,.24,1) forwards;
}
main > section[data-reveal]:nth-of-type(even).is-visible::before {
  animation: section-scan-left 950ms cubic-bezier(.16,.84,.24,1) forwards;
}
@keyframes section-scan-right {
  0%   { opacity: 0; transform: translateX(0); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-100vw); }
}
@keyframes section-scan-left {
  0%   { opacity: 0; transform: translateX(0); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(100vw); }
}

/* Section braucht relative + overflow-clip damit der Scan-Streif sauber durchläuft */
main > section[data-reveal][data-reveal-delay="1"] { transition-delay: 80ms; }
main > section[data-reveal][data-reveal-delay="2"] { transition-delay: 160ms; }
main > section[data-reveal][data-reveal-delay="3"] { transition-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
  main > section[data-reveal] { transform: none; filter: none; opacity: 1; transition: none; }
  main > section[data-reveal]::before { display: none; }
}

/* Scroll-Progress-Bar */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), #fff);
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 100;
  box-shadow: 0 0 8px var(--green);
  pointer-events: none;
  will-change: transform;
}

/* Active-Nav */
.nav-links a {
  position: relative;
  transition: color 220ms ease;
}
.nav-links a.is-active {
  color: var(--green);
}
.nav-links a.is-active .num {
  text-shadow: 0 0 6px rgba(57,255,20,.9);
}
.nav-links a.is-active::before {
  content: '';
  position: absolute;
  left: -8px; top: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  transform: translateY(-50%);
  animation: pulse-dot 1.6s ease-in-out infinite;
}

/* Parallax-BG: muss transform-fähig sein */
.bg-stars, .bg-grid {
  will-change: transform;
}

/* === Email Reveal === */
.email-reveal {
  font-family: var(--font-mono);
  cursor: pointer;
  transition: color 200ms ease;
}
/* === FOOTER === */
.footer {
  margin-top: var(--s-7);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: 2px;
}
@media (max-width: 720px) { .footer { flex-direction: column; gap: var(--s-1); } }