:root {
  --color-bg: #0f1012;
  --color-bg-soft: #18191d;
  --color-panel: #1f2126;
  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-text: #f4f4f6;
  --color-text-muted: #a0a3b0;
  --color-accent: #3A7C84;
  --color-accent-soft: #2f6268;
  --color-accent-alt: #CE8FA5;
  --color-chip-bg: rgba(255, 255, 255, 0.03);
  --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.35);
  --radius-lg: 18px;
  --radius-xl: 26px;
  --container-width: 1120px;
  --font-display: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 0% 0%, rgba(58, 124, 132, 0.25), transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(206, 143, 165, 0.18), transparent 55%),
    linear-gradient(135deg, #0b0c0f, #131419);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(10, 11, 15, 0.92), rgba(10, 11, 15, 0.75), transparent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.brand { display: flex; align-items: center; gap: 0.7rem; }
.site-header .brand-mark {
  width: 44px;
  height: 44px;
  overflow: hidden;

  /* WICHTIG: alles Alte überschreiben */
  position: relative;
  top: auto;
  right: auto;
  bottom: auto;
  left: auto;
  transform: none;
  margin: 0;
  background: transparent;
  box-shadow: none;
}

/* Pseudo-Elemente komplett killen */
.site-header .brand-mark::before,
.site-header .brand-mark::after {
  content: none !important;
}

/* Logo-Bild selbst */
.site-header .brand-mark img,
.site-header .brand-mark .custom-logo {
  display: block;
  width: 100%;
  height: auto;
}

.brand-mark-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.brand-text { display: flex; flex-direction: column; gap: 0.1rem; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  font-size: 0.86rem;
  text-transform: uppercase;
}
.brand-tagline { font-size: 0.78rem; color: var(--color-text-muted); }

.nav { display: flex; gap: 1.6rem; align-items: center; font-size: 0.9rem; }
.nav a {
  position: relative;
  padding-bottom: 0.1rem;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  transition: width 0.22s ease;
}
.nav a:hover { color: var(--color-text); }
.nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  border: none;
  color: #fff;
  font-size: 0.86rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  white-space: nowrap;
}
.nav-cta span { font-size: 1.1em; }

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 11, 15, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle-lines { width: 18px; height: 12px; position: relative; }
.nav-toggle-lines::before,
.nav-toggle-lines::after,
.nav-toggle-lines span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform 0.22s ease, opacity 0.22s ease, top 0.22s ease, bottom 0.22s ease;
}
.nav-toggle-lines span { top: 5px; }
.nav-toggle-lines::before { top: 0; }
.nav-toggle-lines::after { bottom: 0; }
.nav-open .nav-toggle-lines::before { top: 5px; transform: rotate(45deg); }
.nav-open .nav-toggle-lines::after { bottom: 5px; transform: rotate(-45deg); }
.nav-open .nav-toggle-lines span { opacity: 0; }

.hero { padding: 4.5rem 0 4rem; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr); gap: 2.4rem; align-items: center; }
.hero-kicker { font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--color-text-muted); margin-bottom: 0.6rem; }
.hero-title { font-family: var(--font-display); font-size: clamp(2.4rem, 4vw, 3.1rem); line-height: 1.1; margin: 0 0 0.75rem; }
.hero-title span { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { font-size: 1.02rem; color: var(--color-text-muted); max-width: 30rem; margin-bottom: 1.4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 1.4rem; }

.btn { border-radius: 999px; padding: 0.8rem 1.4rem; border: 1px solid transparent; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.45rem; cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease; }
.btn-primary { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt)); color: #fff; box-shadow: 0 16px 32px rgba(0, 0, 0, 0.45); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55); }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.18); color: var(--color-text); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.02); border-color: rgba(255, 255, 255, 0.28); transform: translateY(-1px); }

.hero-meta { font-size: 0.86rem; color: var(--color-text-muted); }
.hero-tag { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.4rem 0.7rem; border-radius: 999px; background: rgba(0, 0, 0, 0.38); border: 1px solid rgba(255, 255, 255, 0.07); margin-right: 0.4rem; margin-bottom: 0.3rem; }
.hero-tag-dot { width: 7px; height: 7px; border-radius: 999px; background: var(--color-accent); }

.hero-panel { background: radial-gradient(circle at 0% 0%, rgba(244, 244, 246, 0.08), transparent 55%), radial-gradient(circle at 100% 100%, rgba(58, 124, 132, 0.3), transparent 55%), var(--color-bg-soft); border-radius: var(--radius-xl); padding: 1.6rem 1.6rem 1.8rem; border: 1px solid var(--color-border-subtle); box-shadow: var(--shadow-soft); position: relative; overflow: hidden; }
.hero-panel-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--color-text-muted); margin-bottom: 0.7rem; }
.hero-panel-main { font-size: 0.95rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.hero-panel-main strong { color: var(--color-text); }
.hero-panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem; margin-bottom: 1.2rem; }
.chip { padding: 0.55rem 0.7rem; border-radius: 999px; background: var(--color-chip-bg); border: 1px solid rgba(255, 255, 255, 0.04); font-size: 0.8rem; color: var(--color-text-muted); display: inline-flex; align-items: center; gap: 0.35rem; }
.chip-dot { width: 8px; height: 8px; border-radius: 999px; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt)); }
.hero-panel-footer { font-size: 0.8rem; color: var(--color-text-muted); }

section { padding: 3rem 0; }
.section-header { display: flex; align-items: baseline; justify-content: space-between; gap: 1.4rem; margin-bottom: 1.6rem; }
.section-kicker { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--color-text-muted); }
.section-title { font-family: var(--font-display); font-size: 1.4rem; margin: 0.1rem 0 0; }
.section-subtitle { font-size: 0.9rem; color: var(--color-text-muted); max-width: 26rem; }

.about-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr); gap: 2rem; }
.about-text { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; }
.about-text p { margin-top: 0; margin-bottom: 0.9rem; }
.about-panel { background: var(--color-bg-soft); border-radius: var(--radius-lg); border: 1px solid var(--color-border-subtle); padding: 1.3rem 1.4rem; box-shadow: var(--shadow-soft); font-size: 0.9rem; }
.about-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.about-list li { display: flex; align-items: baseline; gap: 0.6rem; color: var(--color-text-muted); }
.about-list-label { min-width: 4.7rem; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-text); }

.cv-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 2.2fr); gap: 2rem; align-items: flex-start; }
.card { background: var(--color-bg-soft); border-radius: var(--radius-lg); border: 1px solid var(--color-border-subtle); padding: 1.4rem 1.5rem; box-shadow: var(--shadow-soft); }
.card-title { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--color-text-muted); margin-top: 0; margin-bottom: 1rem; }
.cv-contact { font-size: 0.9rem; color: var(--color-text-muted); display: grid; gap: 0.45rem; margin-bottom: 1.2rem; }
.cv-contact a { color: var(--color-text); }
.pill-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pill { padding: 0.3rem 0.7rem; border-radius: 999px; background: var(--color-chip-bg); border: 1px solid rgba(255, 255, 255, 0.06); font-size: 0.78rem; color: var(--color-text-muted); }
.cv-section-title { font-size: 0.96rem; font-weight: 600; margin: 0 0 0.7rem; }
.timeline { list-style: none; padding: 0; margin: 0; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.timeline-item { position: relative; padding-left: 1.3rem; padding-bottom: 1.1rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { position: absolute; left: -5px; top: 0.25rem; width: 10px; height: 10px; border-radius: 999px; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt)); box-shadow: 0 0 0 3px rgba(58, 124, 132, 0.25); }
.timeline-role { font-size: 0.9rem; font-weight: 600; }
.timeline-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.3rem; }
.timeline-desc { font-size: 0.86rem; color: var(--color-text-muted); }
.timeline-desc ul { margin: 0.3rem 0 0; padding-left: 1rem; }
.timeline-desc li { margin-bottom: 0.2rem; }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.3rem; }
.project-card { background: var(--color-bg-soft); border-radius: var(--radius-lg); border: 1px solid var(--color-border-subtle); padding: 1rem 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.6rem; box-shadow: var(--shadow-soft); transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease; }
.project-card:hover { transform: translateY(-3px); box-shadow: 0 22px 46px rgba(0, 0, 0, 0.55); border-color: rgba(255, 255, 255, 0.16); }
.project-tagline { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--color-text-muted); }
.project-title { font-size: 0.98rem; font-weight: 600; }
.project-desc { font-size: 0.86rem; color: var(--color-text-muted); }
.project-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--color-text-muted); margin-top: auto; padding-top: 0.3rem; }
.project-link { font-size: 0.8rem; color: var(--color-accent-alt); }

.contact-layout { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 2.2fr); gap: 1.8rem; }
.contact-text { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; }
.contact-list { list-style: none; padding: 0; margin: 0; font-size: 0.9rem; color: var(--color-text-muted); display: grid; gap: 0.45rem; }
.contact-list a { color: var(--color-text); }

.site-footer { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 1.5rem 0 2rem; font-size: 0.8rem; color: var(--color-text-muted); }
.site-footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-links a { color: var(--color-text-muted); font-size: 0.8rem; }

/* Hanjo Portfolio Core Widgets (Hero, Section Header, About, CV Sidebar, etc.) */
.hpc-hero {
  padding: 4rem 0 3rem;
  display: grid;
  gap: 1.4rem;
}

.hpc-hero-kicker {
  font-size: 0.86rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hpc-hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  line-height: 1.1;
}

.hpc-hero-title span {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hpc-hero-subtitle {
  font-size: 1.02rem;
  color: var(--color-text-muted);
  max-width: 36rem;
}

.hpc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hpc-btn {
  border-radius: 999px;
  padding: 0.8rem 1.45rem;
  border: 1px solid transparent;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.hpc-btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  color: #fff;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.45);
}

.hpc-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55);
}

.hpc-btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--color-text);
}

.hpc-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.26);
  transform: translateY(-1px);
}

.hpc-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.hpc-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-text-muted);
}

.hpc-section-header {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 1.6rem;
}

.hpc-section-header--center {
  text-align: center;
  justify-items: center;
}

.hpc-section-kicker {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hpc-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.hpc-section-subtitle {
  font-size: 0.96rem;
  color: var(--color-text-muted);
  max-width: 32rem;
}

.hpc-about-text {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow-soft);
}

.hpc-about-heading {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.hpc-about-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.hpc-about-body {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.97rem;
}

.hpc-about-body p { margin-top: 0; }

.hpc-about-panel {
  background: radial-gradient(circle at 0% 0%, rgba(244, 244, 246, 0.08), transparent 55%),
              radial-gradient(circle at 100% 100%, rgba(58, 124, 132, 0.28), transparent 60%),
              var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 1.3rem 1.5rem;
}

.hpc-about-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.hpc-about-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
}

.hpc-about-label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
}

.hpc-about-value {
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.hpc-cv-sidebar {
  display: grid;
  gap: 1.1rem;
}

.hpc-cv-contact {
  display: grid;
  gap: 0.4rem;
  color: var(--color-text-muted);
}

.hpc-cv-contact a { color: var(--color-text); }

.hpc-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.hpc-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--color-chip-bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hpc-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.hpc-fact {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-soft);
}

.hpc-fact-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.hpc-fact-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.hpc-workflow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.hpc-workflow-step {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.35rem;
}

.hpc-workflow-step-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-alt));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.hpc-workflow-step-title {
  font-weight: 600;
}

.hpc-workflow-step-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hpc-cta {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 0.8rem;
}

.hpc-cta--dark {
  background: linear-gradient(135deg, rgba(15, 16, 18, 0.95), rgba(28, 30, 35, 0.95));
}

.hpc-cta--accent {
  background: linear-gradient(135deg, rgba(58, 124, 132, 0.28), rgba(206, 143, 165, 0.32));
}

.hpc-cta--soft {
  background: var(--color-bg-soft);
}

.hpc-cta-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
}

.hpc-cta-text {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.hpc-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hpc-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  align-items: center;
}

.hpc-logo-item {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.hpc-logo-img {
  max-height: 46px;
  object-fit: contain;
  margin: 0 auto 0.5rem;
}

.hpc-logo-label {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

@media (max-width: 820px) {
  .hpc-hero { padding: 3.2rem 0 2.6rem; }
  .hpc-cta { padding: 1.5rem; }
}

@media (max-width: 640px) {
  .hpc-hero-title { font-size: clamp(2rem, 8vw, 2.6rem); }
  .hpc-cta-actions { flex-direction: column; align-items: stretch; }
  .hpc-cta-actions .hpc-btn { justify-content: center; width: 100%; }
}

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); }
  .hero-panel { order: -1; }
  .about-grid, .cv-grid, .portfolio-grid, .contact-layout { grid-template-columns: minmax(0, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .site-header-inner { padding: 0.7rem 0; }
  .nav {
    position: fixed;
    inset: 56px 0 auto 0;
    background: radial-gradient(circle at 0% 0%, rgba(58, 124, 132, 0.18), transparent 60%), #0b0c10;
    padding: 0.9rem 1.5rem 1.1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-open .nav { display: flex; }
  .nav-cta { align-self: stretch; justify-content: center; }
  .nav-toggle { display: inline-flex; }
  .hero { padding-top: 3.5rem; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .portfolio-grid { grid-template-columns: minmax(0, 1fr); }
}