/* ─── Buttons ─── v3 */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  cursor: pointer;
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: background-color var(--transition-default),
              color var(--transition-default),
              border-color var(--transition-default),
              opacity var(--transition-default);
}

.btn-primary {
  background-color: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.btn-primary:hover {
  opacity: 0.75;
  color: var(--color-bg);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn-ghost:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
}

/* ─── Cards ─── */

.card {
  background-color: var(--card-bg, var(--color-bg-alt));
  border-radius: var(--radius-card);
  padding: 2rem 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-decoration: none;
  transition: background-color var(--transition-default), transform var(--transition-default);
}

.card:hover {
  background-color: #111111;
  transform: translateY(-4px);
}

.card:hover .card-title,
.card:hover .card-body,
.card:hover .card-cta {
  color: #ffffff;
  opacity: 1;
}

.card-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-black);
  font-size: var(--text-2xl);
  line-height: 1.1;
  color: #111111;
  margin-bottom: 0.75rem;
}

.card-body {
  font-weight: var(--weight-regular);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #111111;
  opacity: 0.7;
  flex: 1;
  max-width: none;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #111111;
  text-decoration: none;
  transition: gap var(--transition-default);
}

.card:hover .card-cta {
  gap: 0.85rem;
}

.card-icon {
  margin-bottom: 1rem;
  color: #111111;
  line-height: 0;
  transition: color var(--transition-default);
}

@keyframes draw-loop {
  0%   { stroke-dashoffset: 200; }
  45%  { stroke-dashoffset: 0; }
  55%  { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: 200; }
}

.card-icon svg {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: color var(--transition-default);
}

.card-icon.drawn svg {
  animation: draw-loop 3.5s ease-in-out infinite;
}

.card:hover .card-icon {
  color: #ffffff;
}

/* Farbvarianten – alle schwarz/weiß */
.card--cyan,
.card--blue,
.card--purple,
.card--pink,
.card--red,
.card--orange { --card-bg: #F5F5F3; --card-text: #111111; }

/* ─── Tags ─── */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-btn);
  background: var(--tag-bg, var(--color-text));
  color: var(--tag-fg, var(--color-bg));
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  font-family: var(--font-body);
  transition: background var(--transition-default),
              color var(--transition-default),
              opacity var(--transition-default),
              transform var(--transition-default);
}

.tag:hover {
  transform: translateY(-2px);
  opacity: 0.75;
}

/* Farbvarianten – alle neutral */
.tag--cyan,
.tag--blue,
.tag--purple,
.tag--pink,
.tag--red,
.tag--orange { --tag-bg: #111111; --tag-fg: #ffffff; }

/* ─── Section Label ─── */

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

/* ─── Divider ─── */

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-md) 0;
}

/* ─── Logo Range ─── */

.logo-range {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  opacity: 0.35;
  filter: grayscale(1);
  transition: opacity var(--transition-default), filter var(--transition-default);
}

.logo-item:hover {
  opacity: 1;
  filter: grayscale(0);
}

.logo-item img {
  max-height: 40px;
  width: auto;
  display: block;
}

/* ─── Timeline ─── */

.timeline {
  position: relative;
  padding-left: 3.5rem;
}

.timeline-line {
  position: absolute;
  left: 0.75rem;
  top: 0.4rem;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-md);
}

.timeline-dot {
  position: absolute;
  left: -2.9rem;
  top: 0.3rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
  flex-shrink: 0;
}

.timeline-year {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--weight-medium);
  display: block;
  margin-bottom: 0.2rem;
}

.timeline-role {
  font-family: var(--font-heading);
  font-weight: var(--weight-black);
  font-size: var(--text-xl);
  line-height: 1.15;
  color: var(--color-text);
  display: block;
}

.timeline-company {
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-top: 0.2rem;
  display: block;
}

.timeline-desc {
  font-weight: var(--weight-light);
  color: var(--color-text);
  font-size: var(--text-base);
  line-height: 1.65;
  margin-top: var(--spacing-xs);
  max-width: 56ch;
}

/* ─── Contact Stage ─── */

.contact-stage {
  background: var(--color-bg-alt);
  border-radius: var(--radius-card);
  padding: var(--spacing-lg);
  text-align: center;
}

.contact-stage h2 {
  margin-bottom: var(--spacing-sm);
}

.contact-stage .contact-sub {
  max-width: 48ch;
  margin: 0 auto var(--spacing-md);
  color: var(--color-text-muted);
}

/* ─── Project Cards (Portfolio) ─── */

.project-card {
  display: block;
  text-decoration: none;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-default), box-shadow var(--transition-default);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.project-card-img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.project-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card-img {
  transform: scale(1.03);
}

.project-card-info {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.project-card-text {
  flex: 1;
}

.project-card-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-black);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: 0.3rem;
}

.project-card-sub {
  font-size: var(--text-sm);
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
}

.project-card-arrow {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background var(--transition-default),
              border-color var(--transition-default),
              color var(--transition-default),
              transform var(--transition-default);
}

.project-card:hover .project-card-arrow {
  background: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
  transform: rotate(-45deg);
}

/* ─── Site Header ─── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: transparent;
  padding: 0 max(var(--spacing-md), calc((100vw - 1100px) / 2));
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: box-shadow var(--transition-default), background var(--transition-default);
}

.site-header.scrolled {
  background: var(--color-bg);
  box-shadow: 0 1px 0 var(--color-border);
}


.header-logo {
  font-family: var(--font-heading);
  font-weight: var(--weight-black);
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
}

.header-logo:hover {
  color: var(--color-text);
}

.site-nav {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--color-text);
  background: var(--color-bg);
  padding: 3px;
  gap: 0;
}

.nav-indicator {
  position: absolute;
  top: 3px;
  height: calc(100% - 6px);
  background: #111111;
  border-radius: calc(var(--radius-btn) - 2px);
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 0;
}

.nav-link {
  position: relative;
  z-index: 1;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: 0.4rem 1.1rem;
  border-radius: calc(var(--radius-btn) - 2px);
  white-space: nowrap;
  transition: color 0.25s ease;
}

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

.nav-link.active {
  color: var(--color-bg);
}

.nav-link.active:hover {
  color: var(--color-bg);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-text);
  line-height: 0;
}

@media (max-width: 639px) {
  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    padding: var(--spacing-md);
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }
}

/* ─── Site Footer ─── */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: var(--weight-black);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  text-decoration: none;
}

.footer-logo:hover {
  color: var(--color-text);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.footer-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-default);
}

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

.footer-copy {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-light);
}

/* ─── Responsive Grids ─── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

@media (max-width: 639px) {
  .card-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Hero Stage ─── */

.hero-stage {
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.hero-stage-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  will-change: transform, opacity;
}

.hero-name {
  font-family: var(--font-heading);
  font-weight: var(--weight-black);
  font-size: clamp(3.5rem, 10vw, 9rem);
  line-height: 1.0;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: var(--text-sub);
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  max-width: 52ch;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hero-cta-label {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid var(--color-text);
  width: fit-content;
  padding-bottom: 1px;
  transition: opacity var(--transition-default);
}

.hero-cta-label:hover {
  opacity: 0.6;
  color: var(--color-text);
}

.hero-cta-email {
  font-size: var(--text-base);
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-default);
}

.hero-cta-email:hover {
  color: var(--color-text);
}

/* ─── Forms ─── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-light);
  color: var(--color-text);
  transition: border-color var(--transition-default);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.65;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}