/* ============================================================
   Tobias Schmidbauer — Portfolio
   Modern Dark Design · Inter + Space Grotesk + JetBrains Mono
   ============================================================ */

:root {
  --bg: #0a0e17;
  --bg-soft: #0f1522;
  --surface: #131a2a;
  --surface-hover: #182136;
  --border: #22304d;
  --text: #e6edf7;
  --text-muted: #93a1b8;
  --accent: #5eead4;          /* Teal */
  --accent-2: #818cf8;        /* Indigo */
  --accent-3: #f472b6;        /* Pink (sparsam) */
  --grad: linear-gradient(120deg, #5eead4 0%, #818cf8 60%, #f472b6 110%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .7);
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --nav-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Hintergrund-Gitter ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(94, 234, 212, .07), transparent 60%),
    radial-gradient(ellipse 50% 35% at 90% 10%, rgba(129, 140, 248, .08), transparent 60%),
    linear-gradient(rgba(148, 163, 184, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .035) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.2rem, 6vw, 6rem);
  background: rgba(10, 14, 23, .75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color .3s;
}
.nav--scrolled { border-bottom-color: var(--border); }

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}
.nav__logo span { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 500;
  transition: color .2s;
}
.nav__links a:hover { color: var(--accent); }
.nav__cta {
  padding: .45rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
}
.nav__cta:hover { background: rgba(94, 234, 212, .1); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__burger span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 4rem;
  padding: calc(var(--nav-h) + 3rem) clamp(1.2rem, 6vw, 6rem) 4rem;
  max-width: 1280px;
  margin: 0 auto;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.4rem;
}
.pulse {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(94, 234, 212, .6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 12px rgba(94, 234, 212, 0); }
  100% { box-shadow: 0 0 0 0 rgba(94, 234, 212, 0); }
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin-bottom: 1.4rem;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  color: var(--text-muted);
  max-width: 34rem;
  margin-bottom: 2.2rem;
}

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.4rem; }

.btn {
  display: inline-flex;
  align-items: center;
  padding: .8rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--grad);
  color: #0a0e17;
  box-shadow: 0 10px 30px -10px rgba(94, 234, 212, .5);
}
.btn--primary:hover { box-shadow: 0 14px 38px -10px rgba(129, 140, 248, .55); }
.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(19, 26, 42, .6);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero__socials {
  display: flex;
  gap: .9rem;
  list-style: none;
}
.hero__socials a {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .2s, border-color .2s;
}
.hero__socials a:hover { transform: translateY(-3px); border-color: var(--accent); }
.hero__socials svg { width: 20px; height: 20px; fill: var(--text-muted); transition: fill .2s; }
.hero__socials a:hover svg { fill: var(--accent); }

/* Hero-Porträt */
.hero__portrait {
  position: relative;
  justify-self: center;
  width: min(340px, 80%);
}
.hero__portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 2;
}
.hero__portrait-ring {
  position: absolute;
  inset: -14px;
  border-radius: 32px;
  background: var(--grad);
  opacity: .35;
  filter: blur(22px);
  z-index: 0;
  animation: glow 5s ease-in-out infinite alternate;
}
@keyframes glow { to { opacity: .6; } }

.hero__badge {
  position: absolute;
  z-index: 3;
  padding: .45rem .9rem;
  background: rgba(19, 26, 42, .92);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .78rem;
  white-space: nowrap;
  box-shadow: var(--shadow);
  animation: float 5s ease-in-out infinite;
}
.hero__badge--1 { top: 6%; left: -16%; animation-delay: 0s; }
.hero__badge--2 { top: 44%; right: -18%; animation-delay: 1.4s; }
.hero__badge--3 { bottom: 4%; left: -8%; animation-delay: 2.6s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------- Sektionen ---------- */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem clamp(1.2rem, 5vw, 2rem);
}
.section__eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: .9rem;
  margin-bottom: .8rem;
}
.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  letter-spacing: -.02em;
  margin-bottom: 2.2rem;
}
.section__lead { color: var(--text-muted); max-width: 44rem; margin: -1.2rem 0 2.4rem; }

/* Scroll-Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Über mich ---------- */
.about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
}
.about__text p { color: var(--text-muted); margin-bottom: 1.2rem; }
.about__text strong { color: var(--text); }
.about__note {
  border-left: 3px solid var(--accent);
  padding: .9rem 1.2rem;
  background: rgba(94, 234, 212, .06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .95rem;
}
.about__skills h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.chips li {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--accent);
  background: rgba(94, 234, 212, .07);
  border: 1px solid rgba(94, 234, 212, .25);
  padding: .35rem .85rem;
  border-radius: 999px;
  transition: .2s;
}
.chips li:hover { background: rgba(94, 234, 212, .14); transform: translateY(-2px); }
.chips li:nth-child(3n) { color: var(--accent-2); border-color: rgba(129, 140, 248, .3); background: rgba(129, 140, 248, .07); }
.chips li:nth-child(3n):hover { background: rgba(129, 140, 248, .14); }

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  position: relative;
  max-width: 720px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 11px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2));
  opacity: .5;
}
.timeline__item {
  position: relative;
  padding: 0 0 2rem 3rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: 4px; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  z-index: 1;
}
.timeline__item:first-child .timeline__dot {
  background: var(--accent);
  box-shadow: 0 0 14px rgba(94, 234, 212, .8);
}
.timeline__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.5rem;
  transition: border-color .2s, transform .2s;
}
.timeline__card:hover { border-color: var(--accent); transform: translateX(6px); }
.timeline__period {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.timeline__card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  margin: .3rem 0 .4rem;
}
.timeline__card p { color: var(--text-muted); font-size: .96rem; }

/* ---------- Maker-Grid ---------- */
.maker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
}
.maker-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.maker-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.maker-card__icon {
  font-size: 1.8rem;
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  background: rgba(94, 234, 212, .08);
  border: 1px solid rgba(94, 234, 212, .2);
  border-radius: 14px;
  margin-bottom: 1.1rem;
}
.maker-card h3 {
  font-family: var(--font-head);
  font-size: 1.12rem;
  margin-bottom: .5rem;
}
.maker-card p { color: var(--text-muted); font-size: .94rem; margin-bottom: .8rem; }

.link-arrow {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
}
.link-arrow:hover { text-decoration: underline; }

/* ---------- Projekte ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.4rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-2);
  box-shadow: var(--shadow);
}
.project-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.project-card__folder { font-size: 1.5rem; }
.project-card__github {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1.3rem;
  transition: color .2s, transform .2s;
}
.project-card__github:hover { color: var(--accent); transform: translate(2px, -2px); }
.project-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  margin-bottom: .5rem;
}
.project-card p { color: var(--text-muted); font-size: .94rem; flex: 1; margin-bottom: 1rem; }
.tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--accent-2);
  background: rgba(129, 140, 248, .1);
  padding: .28rem .7rem;
  border-radius: 999px;
}
.project-card--more {
  border-style: dashed;
  background: transparent;
}

/* ---------- Kontakt ---------- */
.section--contact {
  text-align: center;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(129, 140, 248, .12), transparent 70%), var(--bg-soft);
  border-top: 1px solid var(--border);
  border-radius: 24px 24px 0 0;
  max-width: none;
  padding: 6rem clamp(1.2rem, 5vw, 2rem);
}
.section--contact .section__lead { margin-inline: auto; }
.contact-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem clamp(1.2rem, 5vw, 2rem) 2.5rem;
  text-align: center;
}
.footer__disclaimer {
  color: var(--text-muted);
  font-size: .85rem;
  max-width: 46rem;
  margin: 0 auto 1.4rem;
}
.footer__links {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.footer__links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .92rem;
  transition: color .2s;
}
.footer__links a:hover { color: var(--accent); }
.footer__copy {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-muted);
  opacity: .7;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3.5rem;
    padding-top: calc(var(--nav-h) + 2rem);
  }
  .hero__eyebrow, .hero__actions, .hero__socials { justify-content: center; }
  .hero__sub { margin-inline: auto; }
  .hero__badge--1 { left: -4%; }
  .hero__badge--2 { right: -6%; }
  .hero__badge--3 { left: 0; }
  .about { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 14, 23, .97);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    transform: translateY(-130%);
    transition: transform .35s ease;
  }
  .nav__links.open { transform: none; }
  .nav__links a { padding: .9rem 0; width: 100%; text-align: center; }
  .nav__cta { border: none; }
  .nav__burger { display: flex; }
  .nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger.open span:nth-child(2) { opacity: 0; }
  .nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .section { padding-block: 4rem; }
}

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