:root {
  --color-dark-bg: #0A0A0A;
  --color-card-bg: #141414;
  --color-gold: #C5A059;
  --color-gold-glow: rgba(197, 160, 89, 0.15);
  --color-text-white: #FFFFFF;
  --color-text-gray: #A0A0A0;
  --color-border-dark: #222222;
  --font-header: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  scroll-behavior: smooth;
  background-color: var(--color-dark-bg);
  color: var(--color-text-white);
  font-family: var(--font-body);
  overflow-x: hidden;
  max-width: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
}

.logo {
  font-family: var(--font-header);
  font-weight: 900;
  font-size: 20px;
  color: var(--color-text-white);
  text-decoration: none;
  letter-spacing: 0.15em;
}

.logo span {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-header);
  font-weight: 500;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--color-text-gray);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: var(--transition-smooth);
}

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

.nav-cta-btn {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 8px 20px;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 4px;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.nav-cta-btn:hover {
  background: var(--color-gold);
  color: var(--color-dark-bg);
  box-shadow: 0 4px 15px var(--color-gold-glow);
}

.hero-section {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  background-color: var(--color-dark-bg);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-gold-glow) 0%, rgba(10,10,10,0) 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-gold);
  letter-spacing: 0.25em;
  margin-bottom: 24px;
  display: inline-block;
  border: 1px solid rgba(197, 160, 89, 0.3);
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(197, 160, 89, 0.04);
}

.hero-title {
  font-family: var(--font-header);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 75px);
  color: var(--color-text-white);
  line-height: 1.05;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  font-weight: 300;
  display: block;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-cross {
  font-family: var(--font-header);
  font-weight: 300;
  font-size: clamp(20px, 4vw, 32px);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -6px;
  margin-bottom: 6px;
  text-transform: lowercase;
  position: relative;
  width: 100%;
}

.hero-cross::before,
.hero-cross::after {
  content: '';
  height: 1px;
  background: linear-gradient(to right, rgba(197, 160, 89, 0) 0%, var(--color-gold) 100%);
  flex-grow: 1;
  margin: 0 20px;
  max-width: 100px;
}

.hero-cross::after {
  background: linear-gradient(to left, rgba(197, 160, 89, 0) 0%, var(--color-gold) 100%);
}

.hero-subtitle {
  font-size: clamp(15px, 2.5vw, 17px);
  line-height: 1.7;
  color: var(--color-text-gray);
  max-width: 600px;
  margin: 0 auto 40px auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-dark-bg);
  border: 1px solid var(--color-gold);
}

.btn-primary:hover {
  background: white;
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,255,255,0.1);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-white);
  border: 1px solid var(--color-border-dark);
}

.btn-secondary:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-title {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 32px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-white);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background-color: var(--color-gold);
  margin: 12px auto 0 auto;
}

.section-lead {
  font-size: 15px;
  color: var(--color-text-gray);
  letter-spacing: 0.02em;
}

.about-section {
  padding: 100px 0;
  background: #111111;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  display: flex;
  justify-content: center;
}

.about-image-frame {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 3/4;
  border: 1px solid var(--color-border-dark);
  padding: 8px;
  background: var(--color-card-bg);
  border-radius: 6px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  filter: grayscale(10%) contrast(102%);
}

.about-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-heading {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 24px;
  color: var(--color-text-white);
  letter-spacing: 0.02em;
}

.about-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--color-text-gray);
  text-align: justify;
}

.about-text strong {
  color: var(--color-gold);
  font-weight: 600;
}

.about-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 15px;
}

.detail-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: 6px;
  padding: 20px;
  transition: var(--transition-smooth);
}

.detail-card:hover,
.detail-card.in-view {
  border-color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.detail-icon {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 12px;
}

.detail-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-gold);
}

.detail-card h4 {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-white);
  margin-bottom: 8px;
}

.detail-card p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-gray);
}

.experience-section {
  padding: 100px 0;
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-gold) 0%, var(--color-border-dark) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
}

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

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--color-dark-bg);
  border: 3px solid var(--color-gold);
  border-radius: 50%;
  z-index: 2;
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot,
.timeline-item.in-view .timeline-dot {
  background: var(--color-gold);
  transform: scale(1.3);
  box-shadow: 0 0 10px var(--color-gold);
}

.timeline-date {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.timeline-content {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: 6px;
  padding: 24px;
  transition: var(--transition-smooth);
}

.timeline-content:hover,
.timeline-content.in-view {
  border-color: rgba(197, 160, 89, 0.4);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transform: translateY(-2px);
}

.timeline-content h3 {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text-white);
  margin-bottom: 6px;
}

.timeline-company {
  font-size: 13px;
  color: var(--color-text-gray);
  font-weight: 500;
  display: block;
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 13.5px;
  line-height: 1.6;
  color: #B0B0B0;
}

.portfolio-section {
  padding: 100px 0;
  background: #111111;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
}

.portfolio-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.portfolio-card:hover,
.portfolio-card.in-view {
  transform: translateY(-8px);
  border-color: rgba(197, 160, 89, 0.4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

.project-img-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: var(--color-gold);
  border: 1px solid rgba(197, 160, 89, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 2;
}

.img-mock {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .img-mock {
  transform: scale(1.05);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.5s ease;
  filter: grayscale(10%) contrast(105%);
}

.portfolio-card:hover .project-img,
.portfolio-card.in-view .project-img {
  transform: scale(1.05);
  filter: grayscale(0%) contrast(100%);
}

.project-number {
  font-family: var(--font-header);
  font-weight: 900;
  font-size: 50px;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
}

.portfolio-card:hover .project-number {
  color: rgba(197, 160, 89, 0.15);
  transform: scale(1.1);
}

.portfolio-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
}

.portfolio-info h3 {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text-white);
}

.project-subtitle {
  font-size: 12px;
  color: var(--color-gold);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: -4px;
}

.portfolio-info p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-gray);
}

.portfolio-info p a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px dashed rgba(197, 160, 89, 0.4);
  transition: all 0.2s ease;
  font-weight: 500;
}

.portfolio-info p a:hover {
  color: var(--color-text-white);
  border-bottom-color: var(--color-gold);
  border-bottom-style: solid;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 15px;
}

.project-tech span {
  font-size: 10px;
  color: #B0B0B0;
  background: #1C1C1C;
  border: 1px solid #2C2C2C;
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--font-header);
  font-weight: 500;
}

.contact-section {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-lead {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-white);
  line-height: 1.4;
}

.contact-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--color-text-gray);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 15px 0;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-web {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.contact-icon-web svg {
  width: 18px;
  height: 18px;
  fill: var(--color-gold);
}

.contact-detail-item h4 {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.contact-detail-item p {
  font-size: 13.5px;
  color: var(--color-text-white);
}

.contact-detail-item a {
  color: var(--color-text-white);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.contact-detail-item a:hover {
  color: var(--color-gold);
}

.cta-download {
  align-self: flex-start;
  margin-top: 10px;
  box-shadow: 0 4px 15px var(--color-gold-glow);
}

.form-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: 6px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.form-card h3 {
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-white);
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-gray);
}

.form-group input,
.form-group textarea {
  background: #1C1C1C;
  border: 1px solid var(--color-border-dark);
  border-radius: 4px;
  padding: 14px;
  color: white;
  font-family: var(--font-body);
  font-size: 13.5px;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 10px var(--color-gold-glow);
}

.form-submit {
  width: 100%;
  border: none;
  margin-top: 10px;
}

.main-footer {
  background: var(--color-dark-bg);
  border-top: 1px solid var(--color-border-dark);
  padding: 40px 0;
}

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

.footer-copyright {
  font-size: 12px;
  color: var(--color-text-gray);
}

.footer-branding {
  font-family: var(--font-header);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  font-weight: 600;
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .navbar .nav-links {
    display: none;
  }
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .about-details-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-title {
    font-size: clamp(28px, 10vw, 48px);
  }

  .about-section,
  .experience-section,
  .portfolio-section,
  .contact-section {
    padding: 60px 0;
  }

  .timeline-content {
    padding: 16px;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }

  .form-card {
    padding: 24px;
  }

  .logo {
    font-size: 16px;
    letter-spacing: 0.1em;
  }

  .nav-container {
    padding: 0 16px;
    height: 60px;
  }

  .lang-switcher {
    gap: 2px;
    margin-right: 0;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
    padding: 12px 24px;
  }

  .contact-details {
    flex-direction: column !important;
    gap: 16px !important;
    margin-top: 24px !important;
  }

  .contact-detail-item {
    min-width: 100% !important;
    width: 100% !important;
    padding: 16px !important;
  }

  .about-text {
    font-size: 15px;
  }

  .timeline-content p {
    font-size: 14px;
  }

  .portfolio-info p {
    font-size: 13.5px;
  }

  .contact-detail-item p {
    font-size: 14px;
  }

  .hero-subtitle {
    font-size: 14.5px;
  }
}

body.lang-de [lang="en"], body.lang-de [lang="ja"] {
  display: none !important;
}

body.lang-en [lang="de"], body.lang-en [lang="ja"] {
  display: none !important;
}

body.lang-ja [lang="de"], body.lang-ja [lang="en"] {
  display: none !important;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-header);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-gray);
  margin-right: 10px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-gray);
  cursor: pointer;
  padding: 2px 6px;
  font-family: var(--font-header);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
  border-radius: 4px;
}

.lang-btn:hover {
  color: var(--color-gold);
  background: rgba(255, 255, 255, 0.05);
}

.lang-btn.active {
  color: var(--color-dark-bg);
  background: var(--color-gold);
  font-weight: 700;
}

.lang-divider {
  color: #333333;
  font-size: 12px;
  pointer-events: none;
  display: none;
}

html.access-restricted body {
  overflow: hidden;
}

html.access-restricted .navbar,
html.access-restricted .hero-section,
html.access-restricted .about-section,
html.access-restricted .experience-section,
html.access-restricted .portfolio-section,
html.access-restricted .contact-section {
  display: none !important;
}

.access-gate-container {
  display: none;
}

html.access-restricted .access-gate-container {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-dark-bg);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 24px;
}