/* =========================================================
   Root & Global
========================================================= */
:root {
  --color-bg: #080808;
  --color-accent: #78b4ff;
  --color-white: #f2f2f2;
  --color-grey: #16191a;
  --color-glow: rgba(120, 180, 255, 0.32);
  --box-bg: rgba(22, 25, 26, 0.72);
  --border-soft: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-white);
  font-family: "Inter", sans-serif;
  opacity: 0;
  animation: fadeIn 1.2s ease forwards;
}

/* Scroll-Anker: verhindert, dass fixed Header Abschnitte überdeckt */
section[id] { scroll-margin-top: 92px; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Optional: etwas Luft für fixed Footer, damit nichts „drunter“ endet */
main { padding-bottom: 140px; }

/* =========================================================
   Fixed Portrait
========================================================= */
.portrait-fixed {
  position: fixed;
  top: 50%;
  left: 60%;
  transform: translateY(-50%);
  z-index: -1;
  pointer-events: none;
}
.portrait-fixed img {
  max-height: 650px;
  opacity: 0.9;
}

/* =========================================================
   Header / Navigation (Option A)
   - passt zu: <header><img class="logo-img"><nav>...</nav></header>
========================================================= */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;

  padding: 0.9rem 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  background: rgba(0, 0, 0, 0.18);
  border-bottom: 1px solid rgba(255,255,255,0.06);

  z-index: 999;

  display: flex;
  align-items: center;
  justify-content: space-between;

  transition: padding 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

/* Wird per JS gesetzt (optional): header.classList.add("is-scrolled") */
header.is-scrolled {
  padding: 0.55rem 2rem;
  background: rgba(0, 0, 0, 0.28);
  box-shadow: 0 10px 28px rgba(0,0,0,0.45);
}

.logo-img {
  height: 34px;
  display: block;
  filter: drop-shadow(0 0 6px var(--color-glow));
  transition: filter 0.25s ease, transform 0.25s ease;
}
.logo-img:hover {
  filter: drop-shadow(0 0 12px var(--color-glow));
  transform: translateY(-1px);
}

header nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

header nav a {
  color: var(--color-white);
  text-decoration: none;
  opacity: 0.78;
  font-weight: 500;
  font-size: 0.95rem;

  padding: 0.45rem 0.6rem;
  border-radius: 10px;

  transition: opacity 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

header nav a:hover {
  opacity: 1;
  color: var(--color-accent);
  background: rgba(120,180,255,0.08);
  box-shadow: 0 0 14px rgba(120,180,255,0.12);
}

/* Wird per JS gesetzt (optional) */
header nav a.active {
  opacity: 1;
  color: var(--color-accent);
  background: rgba(120,180,255,0.14);
  border: 1px solid rgba(120,180,255,0.22);
}

/* Legal-Link (falls class="nav-legal" vorhanden) */
header nav a.nav-legal {
  opacity: 0.9;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
}
header nav a.nav-legal:hover {
  border-color: rgba(120,180,255,0.35);
}

/* =========================================================
   Burger Button (nur wenn du ihn in HTML nutzt)
========================================================= */
.nav-toggle {
  display: none;
  width: 36px;
  height: 28px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;

  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* =========================================================
   Hero
========================================================= */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2.5rem 4rem;
  position: relative;
  z-index: 2;
}

.hero-inner {
  max-width: 900px;
  width: 100%;
  padding: 2.6rem 2.8rem;
  transform: translate(-8%, 0);
}

.hero-kicker {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.13em;
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.hero h1 {
  font-family: "Montserrat", sans-serif;
  font-size: 3.4rem;
  margin: 0 0 1rem 0;
}

.hero-text {
  font-size: 1.1rem;
  max-width: 760px;
  opacity: 0.9;
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
}

/* Buttons */
.btn-primary,
.btn-ghost {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 12px;
  font-weight: 500;
  text-decoration: none;
  font-size: 0.95rem;
  transition: 0.25s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
  box-shadow: 0 0 12px var(--color-glow);
}
.btn-primary:hover {
  background: #9bcaff;
}

.btn-ghost {
  border: 1px solid var(--border-soft);
  color: var(--color-white);
  background: rgba(0, 0, 0, 0.4);
}
.btn-ghost:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 18px var(--color-glow);
}

/* =========================================================
   Sections & Content Box
========================================================= */
.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2.5rem;
}

.section-inner {
  width: 100%;
  max-width: 1200px;
  display: flex;
  justify-content: center;
}

.content-box {
  position: relative;
  max-width: 900px;
  width: 100%;
  padding: 2.6rem 2.8rem;

  border-radius: 22px;
  background: var(--box-bg);
  border: 1px solid var(--border-soft);

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  box-shadow:
    0 0 45px rgba(0, 0, 0, 0.85),
    0 0 55px rgba(120, 180, 255, 0.18);

  transform: translate(-8%, 50px);
  opacity: 0;

  transition:
    opacity 0.8s ease,
    transform 0.8s ease,
    box-shadow 0.25s ease;
}

.content-box.visible {
  opacity: 1;
  transform: translate(-8%, 0);
}

.content-box:hover {
  transform: translate(-8%, -6px);
  box-shadow:
    0 0 25px var(--color-glow),
    0 0 65px rgba(0, 0, 0, 0.9);
}

.content-box p { max-width: 760px; }

/* =========================================================
   Stats
========================================================= */
.stats {
  display: flex;
  gap: 1.2rem;
  margin-top: 1.6rem;
}

.stat-card {
  flex: 1;
  padding: 1.2rem;
  text-align: center;
  border-radius: 16px;
  background: var(--color-grey);
  border: 1px solid var(--border-soft);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px var(--color-glow);
}

.stat-icon {
  width: 26px;
  height: 26px;
  margin-bottom: 0.4rem;
  fill: var(--color-white);
  opacity: 0.9;
}

.stat-card h3 {
  margin: 0;
  font-size: 1.7rem;
  color: var(--color-accent);
}

.stat-card p {
  margin: 0.4rem 0 0;
  opacity: 0.85;
}

.stat-bar {
  margin-top: 0.4rem;
  width: 70%;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px;
}

/* =========================================================
   Tags (Project/Skill Cards)
========================================================= */
.tag {
  padding: 0.35rem 0.8rem;
  border-radius: 12px;
  background: var(--color-grey);
  border: 1px solid var(--border-soft);
  font-size: 0.85rem;
  opacity: 0.9;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.tag:hover {
  background: rgba(120, 180, 255, 0.2);
  box-shadow: 0 0 12px var(--color-glow);
}

/* =========================================================
   Project Grid (wird auch für Skills genutzt)
========================================================= */
.project-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.6rem;
}

.project-card {
  padding: 1.6rem;
  border-radius: 18px;
  background: var(--color-grey);
  border: 1px solid var(--border-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 25px var(--color-glow);
}

.project-card h3 { margin-top: 0; }

.project-tags {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* =========================================================
   Contact
========================================================= */
.offer-list h3 {
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
}

.offer-list ul {
  padding-left: 1.2rem;
  margin-top: 0.8rem;
  opacity: 0.9;
  line-height: 1.55;
}

.contact-ways {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.contact-item {
  display: inline-flex;
  align-items: flex-end;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-white);
  opacity: 0.8;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.contact-item:hover {
  opacity: 1;
  transform: translateX(4px);
}

.contact-item svg {
  width: 22px;
  height: 22px;
  fill: var(--color-accent);
}

.contact-cta {
  margin-top: 2rem;
  display: flex;
  gap: 1.2rem;
}

/* =========================================================
   Footer (Fixed)
========================================================= */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;

  padding: 0.9rem 1.6rem;
  text-align: center;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;

  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  background: rgba(0, 0, 0, 0.20);
  border-top: 1px solid rgba(255, 255, 255, 0.06);

  z-index: 999;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1.4rem;
}

/* Links UND Button im Footer identisch behandeln */
.social-icons a,
.social-icons button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  /* Button-Defaults killen */
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;

  cursor: pointer;
  color: var(--color-white); /* wichtig für currentColor */
}

/* SVGs färben über currentColor (gilt für fill + stroke="currentColor") */
.social-icons svg {
  width: 26px;
  height: 26px;

  fill: currentColor;
  opacity: 0.75;

  transition: opacity 0.25s ease, transform 0.25s ease, color 0.25s ease;
}

/* Hover auf Container (nicht nur svg:hover) */
.social-icons a:hover,
.social-icons button:hover {
  color: var(--color-accent);
}

.social-icons a:hover svg,
.social-icons button:hover svg {
  opacity: 1;
  transform: translateY(-3px);
}

/* Keyboard-Fokus sichtbar */
.social-icons a:focus-visible,
.social-icons button:focus-visible {
  outline: 2px solid rgba(120, 180, 255, 0.6);
  outline-offset: 4px;
  border-radius: 10px;
}
footer p {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.65;
}

/* Scroll-to-top Button */
#scrollTopBtn {
  position: fixed;
  bottom: 90px;
  right: 26px;

  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  background: rgba(0, 0, 0, 0.35);

  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;
  opacity: 0;
  pointer-events: none;

  transition: opacity 0.35s ease, transform 0.25s ease;
  z-index: 998;
}

#scrollTopBtn svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
  opacity: 0.85;
  transition: fill 0.25s ease;
}

#scrollTopBtn:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 12px var(--color-glow);
}

#scrollTopBtn:hover svg {
  fill: var(--color-accent);
}

#scrollTopBtn.visible {
  opacity: 1;
  pointer-events: auto;
}

/* No-Cookies Tooltip */
.nocookies-tooltip { position: relative; }

.nocookies-tooltip:hover::after {
  content: "Diese Webseite verwendet keine Cookies";
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.4rem 0.7rem;
  background: rgba(0,0,0,0.85);
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--color-white);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.nocookies-tooltip:hover::before {
  content: "";
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: rgba(0,0,0,0.85) transparent transparent transparent;
}

/* =========================================================
   Legal Overlay
========================================================= */
.legal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 2000;
}

.legal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.legal-content {
  position: relative;
  max-width: 800px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;

  padding: 2.2rem;
  border-radius: 20px;

  background: rgba(22, 25, 26, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.08);

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  box-shadow: 0 0 40px rgba(0, 0, 0, 0.6),
              0 0 50px rgba(120, 180, 255, 0.18);

  animation: legalFadeIn 0.4s ease forwards;
}

@keyframes legalFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.legal-content a[href^="mailto:"] {
  color: var(--color-white);
  border-bottom: 1px dotted var(--color-accent);
  padding-bottom: 1px;
}

.legal-content a[href^="mailto:"]:hover {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}

.legal-close {
  position: absolute;
  top: 18px;
  right: 22px;

  font-size: 2rem;
  color: var(--color-white);
  background: none;
  border: none;
  cursor: pointer;

  opacity: 0.7;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.legal-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

.legal-content h2,
.legal-content h3 {
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
  font-family: "Montserrat", sans-serif;
  color: var(--color-accent);
}

.legal-content p {
  margin-bottom: 1.4rem;
  line-height: 1.55;
  opacity: 0.9;
}

.legal-content::-webkit-scrollbar { width: 8px; }
.legal-content::-webkit-scrollbar-thumb {
  background: rgba(120, 180, 255, 0.35);
  border-radius: 8px;
}

/* =========================================================
   Responsive
========================================================= */
@media (max-width: 900px) {
  .content-box,
  .content-box.visible {
    transform: translate(0, 40px);
  }
  .content-box.visible {
    transform: translate(0, 0);
  }

  .portrait-fixed {
    left: 50%;
    opacity: 0.35;
  }

  .stats { flex-direction: column; }

  .hero { padding: 5rem 1.6rem 2rem 1.6rem; }
}

/* Mobile Navigation (Overlay) – funktioniert, sobald du nav/main-nav + button/nav-toggle nutzt */
@media (max-width: 820px) {
  header {
    padding: 0.75rem 1.2rem;
  }
  header.is-scrolled {
    padding: 0.5rem 1.2rem;
  }

  /* Burger sichtbar (nur wenn vorhanden) */
  .nav-toggle { display: flex; }

  /* Falls du deinem <nav> später class="main-nav" gibst */
  .main-nav {
    position: fixed;
    inset: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.4rem;

    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;

    z-index: 998;
  }

  .main-nav.open {
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a {
    font-size: 1.2rem;
    opacity: 0.9;
  }

  /* Burger → X Animation */
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(13px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-13px) rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2.4rem; }

  /* Desktop-Nav bleibt ok, wenn kein Burger aktiv ist */
  header nav a {
    font-size: 0.9rem;
    padding: 0.4rem 0.5rem;
  }
}
/* =========================================================
   Mobile UX: Cards einklappbar (Skills + Projects)
========================================================= */
@media (max-width: 900px) {

  /* Standard: nur Titel zeigen */
  #skills .project-card p,
  #skills .project-card .project-tags,
  #projects .project-card p,
  #projects .project-card .project-tags {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin: 0;
    transition: max-height 260ms ease, opacity 220ms ease;
  }

  /* Expanded: Text + Tags sichtbar */
  #skills .project-card.is-expanded p,
  #skills .project-card.is-expanded .project-tags,
  #projects .project-card.is-expanded p,
  #projects .project-card.is-expanded .project-tags {
    max-height: 900px;
    opacity: 1;
    margin-top: 0.7rem;
  }

  /* Tap-UX */
  #skills .project-card,
  #projects .project-card {
    cursor: pointer;
  }

  /* kleiner Hinweis-Pfeil am Titel */
  #skills .project-card h3,
  #projects .project-card h3 {
    position: relative;
    padding-right: 1.6rem;
  }

  #skills .project-card h3::after,
  #projects .project-card h3::after {
    content: "▾";
    position: absolute;
    right: 0;
    top: 0;
    opacity: 0.6;
    transform: translateY(2px);
    transition: transform 200ms ease, opacity 200ms ease;
  }

  #skills .project-card.is-expanded h3::after,
  #projects .project-card.is-expanded h3::after {
    transform: rotate(180deg) translateY(-2px);
    opacity: 0.9;
  }
}