/* ========================================
   Portfolio – bereinigtes Stylesheet
   ======================================== */

:root {
  --bg-primary: #0d1020;
  --bg-secondary: #151a30;
  --bg-card: rgba(24, 28, 50, 0.88);
  --text-primary: #f5f5f7;
  --text-secondary: #aeb5ca;
  --text-muted: #747d99;
  --accent-primary: #8b5cf6;
  --accent-secondary: #38bdf8;
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 52%, #22d3ee 100%);
  --border-color: rgba(151, 164, 221, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  z-index: -4;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 12% 5%, rgba(139, 92, 246, 0.22), transparent 30%),
    radial-gradient(circle at 88% 28%, rgba(56, 189, 248, 0.16), transparent 34%),
    radial-gradient(circle at 48% 100%, rgba(236, 72, 153, 0.13), transparent 38%),
    linear-gradient(145deg, #0b0e1c 0%, #121a32 48%, #0d1020 100%);
}

body::after {
  position: fixed;
  z-index: -2;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  content: "";
  background-image:
    repeating-radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.8) 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 100% 100%, rgba(0, 0, 0, 0.8) 0 1px, transparent 1px 4px);
  background-size: 5px 5px, 7px 7px;
  mix-blend-mode: soft-light;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  line-height: 1.35;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

/* Background */
.bg-animation {
  position: fixed;
  z-index: -3;
  inset: 0;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(10, 13, 29, 0.86), rgba(18, 25, 51, 0.72));
  animation: background-breathe 24s ease-in-out infinite alternate;
}

.bg-animation::after {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(ellipse at center, transparent 38%, rgba(5, 6, 14, 0.28) 100%),
    linear-gradient(115deg, rgba(124, 58, 237, 0.05), transparent 42%, rgba(6, 182, 212, 0.04));
}

.smoke-layer {
  position: absolute;
  width: 42vw;
  height: 42vw;
  min-width: 320px;
  min-height: 320px;
  border-radius: 50%;
  opacity: 0.32;
  filter: blur(45px);
  background: transparent;
  mix-blend-mode: screen;
  animation: smoke-drift 18s ease-in-out infinite alternate;
}

.smoke-layer.one {
  top: -12%;
  left: -8%;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.72), rgba(139, 92, 246, 0.2) 35%, transparent 72%);
}

.smoke-layer.two {
  top: 25%;
  right: -12%;
  width: 50vw;
  height: 50vw;
  opacity: 0.25;
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.68), rgba(34, 211, 238, 0.18) 34%, transparent 72%);
  animation-delay: -6s;
  animation-duration: 23s;
}

.smoke-layer.three {
  bottom: -18%;
  left: 25%;
  width: 55vw;
  height: 34vw;
  opacity: 0.23;
  background: radial-gradient(ellipse at center, rgba(236, 72, 153, 0.62), rgba(236, 72, 153, 0.14) 36%, transparent 73%);
  animation-delay: -11s;
  animation-duration: 26s;
}

.smoke-layer.four {
  top: 42%;
  left: 30%;
  width: 34vw;
  height: 34vw;
  opacity: 0.17;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.42), rgba(150, 160, 255, 0.12) 32%, transparent 70%);
  animation-delay: -15s;
  animation-duration: 20s;
}

.grid-overlay {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 55px 55px;
  mask-image: linear-gradient(to bottom, transparent, black 25%, black 75%, transparent);
}

@keyframes smoke-drift {
  0% { transform: translate3d(-3%, 2%, 0) scale(0.95); }
  50% { transform: translate3d(8%, -7%, 0) scale(1.12) rotate(18deg); }
  100% { transform: translate3d(-5%, 9%, 0) scale(1.02) rotate(-12deg); }
}

@keyframes background-breathe {
  from { filter: saturate(1) brightness(1); }
  to { filter: saturate(1.08) brightness(1.035); }
}

@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  to { opacity: 1; }
}

/* Layout */
.container {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0 24px;
}

.work-section,
.videos-section,
.cv-section,
.contact-section {
  padding: 100px 0;
}

.section-title {
  margin-bottom: 16px;
  font-size: clamp(2rem, 5vw, 3rem);
  text-align: center;
}

.section-subtitle {
  margin-bottom: 48px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  text-align: center;
}

/* Navigation */
.navbar {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 13, 28, 0.76);
  backdrop-filter: blur(14px);
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 13, 28, 0.9);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
}

.nav-logo {
  font-family: "Syne", sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
}

.logo-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link {
  position: relative;
  padding: 4px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  content: "";
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: all var(--transition-normal);
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 120px 24px 80px;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(620px, 100%);
  margin: 0 auto;
}

.hero-gallery {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: min(1100px, calc(100% - 48px));
  height: 520px;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.hero-eyebrow {
  margin-bottom: 16px;
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  opacity: 0;
  text-transform: uppercase;
  animation: fade-in 1s ease 0.1s forwards;
}
.hero-image {
  position: absolute;
  width: 170px;
  height: 170px;
  overflow: visible;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  opacity: 1;
}

.hero-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  opacity: 1;
}
/* Oben links */
.hero-image-1 {
  top: 40px;
  left: 5px;
  transform: rotate(-8deg);
}

/* Oben rechts */
.hero-image-2 {
  top: 40px;
  right: 5px;
  transform: rotate(8deg);
}

/* Unten links */
.hero-image-3 {
  bottom: 35px;
  left: 60px;
  transform: rotate(6deg);
}

/* Unten rechts */
.hero-image-4 {
  right: 60px;
  bottom: 35px;
  transform: rotate(-6deg);
}
.hero-name {
  margin-bottom: 24px;
  padding-bottom: 0.14em;
  font-size: clamp(2.8rem, 8vw, 6rem);
  line-height: 1.2;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards;
}

.hero-subtitle {
  max-width: 600px;
  margin: 0 auto 40px;
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: 0;
  animation: fade-in 1s ease 0.4s forwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  animation: fade-in 1s ease 0.6s forwards;
}

.btn {
  display: inline-block;
  border: 0;
  border-radius: var(--radius-lg);
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.6);
  transform: translateY(-3px);
}

.btn-secondary {
  border: 2px solid var(--border-color);
  background: rgba(20, 25, 48, 0.35);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: rgba(124, 58, 237, 0.14);
}

/* Gallery */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.filter-btn {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 10px 24px;
  background: rgba(24, 28, 50, 0.82);
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: transparent;
  background: var(--accent-gradient);
  color: #fff;
  transform: translateY(-2px);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.gallery-item {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  transition: all var(--transition-normal);
}

.gallery-item {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.gallery-item.hidden {
  display: none;
}

.gallery-item:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.project-open {
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.project-open:focus-visible {
  border-radius: var(--radius-lg);
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.gallery-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(139, 92, 246, 0.16), transparent 65%),
    #090b16;
}

.gallery-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-media img {
  transform: scale(1.05);
}

.project-image-count {
  position: absolute;
  right: 12px;
  bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 5px 10px;
  background: rgba(10, 10, 15, 0.75);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.gallery-info {
  padding: 20px;
}

.gallery-info h3,
.cv-block h4,
.video-main h3,
.profile-card h3,
.timeline-content h5 {
  overflow: visible;
  padding-top: 0.08em;
  padding-bottom: 0.18em;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.45;
}

.gallery-info h3 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.gallery-info p,
.video-main p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Videos */
.videos-section {
  background: transparent;
}
.video-showcase {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr);
  align-items: start;
  gap: 24px;
}

.video-main {
  min-width: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--bg-card);
}

.video-placeholder-large {
  display: block;
  width: 100%;
  height: auto;
  max-height: 540px;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 9;
  background: #000;
  object-fit: cover;
}

.video-main h3 {
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.video-thumbnails {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.video-thumb {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.media-placeholder,
.thumb-placeholder {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 2px;
}

.media-placeholder {
  height: 100%;
  font-size: 1.5rem;
}

.thumb-placeholder {
  aspect-ratio: 16 / 9;
  font-size: 1rem;
}

/* CV */
.cv-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  align-items: start;
  gap: 48px;
}

.cv-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
  height: fit-content;
}

.profile-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: var(--bg-card);
  text-align: center;
}

.profile-image {
  display: block;
  width: 150px;
  height: 150px;
  margin: 0 auto 24px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.profile-card h3 {
  margin-bottom: 8px;
  font-size: 1.5rem;
}

.profile-title {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.profile-contact {
  margin-bottom: 24px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: left;
}

.profile-contact p {
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.social-link {
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  background: rgba(21, 26, 48, 0.8);
  font-size: 0.85rem;
  font-weight: 500;
}

.social-link:hover {
  background: var(--accent-gradient);
  color: #fff;
}

.cv-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 40px;
}

.cv-block h4 {
  position: relative;
  margin-bottom: 20px;
  padding-left: 16px;
  font-size: 1.5rem;
}

.cv-block h4::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: var(--accent-gradient);
  content: "";
  transform: translateY(-50%);
}

.cv-block p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.cv-block ul {
  list-style: disc;
  padding-left: 20px;
}

.cv-block ul li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: var(--border-color);
  content: "";
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  top: 4px;
  left: -32px;
  width: 18px;
  height: 18px;
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  background: var(--accent-gradient);
}

.timeline-content h5 {
  margin-bottom: 4px;
  font-size: 1.15rem;
}

.timeline-date {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.timeline-company {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Skills */
.skills-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.skill-row {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: var(--bg-card);
}

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  font-weight: 600;
}

.skill-level-label {
  color: var(--accent-primary);
  font-size: 0.9rem;
  text-align: right;
  white-space: nowrap;
}

.skill-dots {
  display: flex;
  gap: 9px;
}

.skill-dot {
  display: block;
  width: 15px;
  height: 15px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: rgba(21, 26, 48, 0.8);
}

.skill-dot.filled {
  border-color: transparent;
  background: var(--accent-gradient);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.35);
}

/* Languages */
.languages-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.language-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  background: var(--bg-card);
}

.language-level {
  color: var(--accent-primary);
  font-weight: 600;
  text-align: right;
}

/* Contact and footer */
.contact-layout {
  display: block;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.contact-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--bg-card);
  text-align: center;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.contact-emoji {
  display: block;
  margin-bottom: 16px;
  font-size: 2.5rem;
}

.contact-card h4 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  background: rgba(18, 22, 42, 0.7);
  text-align: center;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-note {
  margin-top: 8px;
  font-size: 0.85rem;
}

/* Project modal */
.project-modal {
  position: fixed;
  z-index: 2000;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.project-modal.is-open {
  display: flex;
}

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 3, 8, 0.82);
  backdrop-filter: blur(10px);
}

.project-modal-content {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.7);
}

.project-modal-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(65vh, 680px);
  background: #050509;
}

.project-modal-media img {
  width: 100%;
  height: min(65vh, 680px);
  object-fit: contain;
}

.project-modal-details {
  padding: 20px 28px 28px;
}

.project-modal-details h2 {
  margin-bottom: 8px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.project-modal-details p {
  color: var(--text-secondary);
}

.project-modal-counter {
  margin-bottom: 5px;
  color: var(--accent-primary) !important;
  font-size: 0.9rem;
  font-weight: 700;
}

.project-modal-close,
.project-modal-nav {
  display: grid;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(10, 10, 15, 0.7);
  color: #fff;
  cursor: pointer;
  place-items: center;
  backdrop-filter: blur(8px);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.project-modal-close:hover,
.project-modal-nav:hover {
  background: var(--accent-primary);
}

.project-modal-close {
  position: absolute;
  z-index: 3;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 2rem;
  line-height: 1;
}

.project-modal-close:hover {
  transform: scale(1.06);
}

.project-modal-nav {
  position: absolute;
  z-index: 2;
  top: 50%;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
  transform: translateY(-50%);
}

.project-modal-nav:hover {
  transform: translateY(-50%) scale(1.08);
}

.project-modal-prev { left: 16px; }
.project-modal-next { right: 16px; }

body.modal-open {
  overflow: hidden;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.reveal.active {
  opacity: 1;
}

/* Responsive */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    background: var(--bg-primary);
    transition: left var(--transition-normal);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .video-showcase,
  .cv-layout {
    grid-template-columns: 1fr;
  }

  .cv-sidebar {
    position: static;
  }

  .video-placeholder-large {
    max-height: none;
  }

  .skills-list {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container,
  .nav-container {
    padding-right: 18px;
    padding-left: 18px;
  }

  .work-section,
  .videos-section,
  .cv-section,
  .contact-section {
    padding: 72px 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .gallery-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .profile-card {
    padding: 26px 22px;
  }

  .skill-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .skill-level-label,
  .language-level {
    text-align: left;
  }

  .smoke-layer {
    opacity: 0.2;
    filter: blur(35px);
  }

  .project-modal {
    padding: 12px;
  }

  .project-modal-content {
    max-height: calc(100vh - 24px);
  }

  .project-modal-media {
    min-height: 50vh;
  }

  .project-modal-media img {
    height: 50vh;
  }

  .project-modal-nav {
    width: 40px;
    height: 40px;
  }

  .project-modal-prev { left: 8px; }
  .project-modal-next { right: 8px; }

  .project-modal-details {
    padding: 16px 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .bg-animation {
    animation: none;
  }
}

/* Hintergrund-Korrektur */
body {
  position: relative;
  isolation: isolate;
}

.bg-animation {
  z-index: -1;
  pointer-events: none;
}

.bg-animation::after {
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse at center,
      transparent 38%,
      rgba(5, 6, 14, 0.12) 100%
    ),
    linear-gradient(
      115deg,
      rgba(124, 58, 237, 0.025),
      transparent 42%,
      rgba(6, 182, 212, 0.02)
    );
}

.grid-overlay {
  z-index: 2;
  opacity: 0.035;
}

.smoke-layer {
  z-index: 0;
}

main,
section,
.hero {
  background-color: transparent;
}

.smoke-layer.one {
  opacity: 0.42;
}

.smoke-layer.two {
  opacity: 0.34;
}

.smoke-layer.three {
  opacity: 0.3;
}

.smoke-layer.four {
  opacity: 0.22;
}

/* ========================================
   Profilkarte – neue Gestaltung
======================================== */

.profile-card {
  border: 1px solid rgba(139, 92, 246, 0.42);
  border-radius: 24px;
  padding: 32px;
  background:
    radial-gradient(circle at 15% 0%, rgba(139, 92, 246, 0.25), transparent 36%),
    radial-gradient(circle at 95% 100%, rgba(56, 189, 248, 0.14), transparent 42%),
    linear-gradient(145deg, rgba(37, 29, 75, 0.97), rgba(18, 28, 58, 0.97));
  box-shadow:
    0 18px 50px rgba(5, 8, 25, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  text-align: center;
}

.profile-image {
  border: 3px solid rgba(139, 92, 246, 0.8);
  box-shadow:
    0 0 0 6px rgba(139, 92, 246, 0.13),
    0 12px 30px rgba(5, 8, 25, 0.42);
}

.profile-card h3 {
  margin-bottom: 8px;
  color: var(--text-primary);
}

.profile-title {
  margin-bottom: 24px;
  color: #c4b5fd;
}

.profile-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 22px 0;
  border-top: 1px solid rgba(174, 181, 202, 0.22);
  border-bottom: 1px solid rgba(174, 181, 202, 0.22);
  text-align: left;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  margin: 0;
}

.contact-icon {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 10px;
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.36),
    rgba(56, 189, 248, 0.18)
  );
  color: #a5f3fc;
  font-size: 1rem;
  line-height: 1;
}

.contact-details {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  color: #a5b0ce;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.contact-value {
  display: block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: #f5f5f7;
  font-size: 0.92rem;
  line-height: 1.35;
}

a.contact-value {
  transition: color var(--transition-fast);
}

a.contact-value:hover {
  color: #67e8f9;
}

.profile-interests {
  margin-top: 22px;
  text-align: left;
}

.profile-interests h4 {
  margin-bottom: 8px;
  color: #c4b5fd;
  font-size: 0.95rem;
}

.profile-interests p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

@media (max-width: 640px) {
  .profile-card {
    padding: 26px 22px;
  }

  .contact-value {
    font-size: 0.86rem;
  }
}
.video-thumb-info {
  padding: 0 0 14px;
}

.video-thumb-info h3 {
  margin: 0 0 4px;
  color: var(--text-primary);
  font-size: 1.25rem;
  line-height: 1.35;
}

.video-thumb-info p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}