/* augmentia.de — Design-Tokens und Basisstyles */

:root {
  --bg: #060d1a;
  --bg-soft: #0a1628;
  --surface: #0d1a2e;
  --surface-2: #112240;
  --border: #1a2a44;
  --border-strong: #2a3a55;
  --text: #e6eaf0;
  --muted: #9aa8ba;
  --muted-2: #7b8a9e;
  --accent: #e8a838;
  --accent-hover: #f0c060;
  --accent-soft: rgba(232, 168, 56, 0.12);
  --green: #4ade80;
  --radius: 10px;
  --radius-sm: 6px;
  --max: 1080px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  margin: 0;
  color: #fff;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

code,
pre {
  font-family: var(--font-mono);
}

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

.narrow {
  max-width: 840px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  border-radius: 4px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

#main:focus {
  outline: none;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 13, 26, 0.86);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 68px;
}

.logo {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: #fff;
}

.site-nav .nav-cta {
  padding: 0.45rem 0.95rem;
  border-radius: 5px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

.site-nav .nav-cta:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

/* Typografie und Buttons */

.eyebrow,
.section-label {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s, color 0.18s, transform 0.12s;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

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

.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: #fff;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 5.5rem;
  background: linear-gradient(180deg, #0a1628 0%, var(--bg) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 168, 56, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 168, 56, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 4rem;
  align-items: center;
}

.hero h1 {
  margin: 1rem 0 1.5rem;
  font-size: clamp(2.5rem, 5.2vw, 4rem);
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.1rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 2.5rem;
  color: var(--muted-2);
  font-size: 0.8rem;
}

.hero-meta li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Systemkarte im Hero */

.system-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #0d1a2e, #091425);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.system-card__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
}

.system-card__bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}

.system-card__bar span:nth-child(1) {
  background: #c96a6a;
}

.system-card__bar span:nth-child(2) {
  background: #c9a45c;
}

.system-card__bar span:nth-child(3) {
  background: #6fae7a;
}

.system-card__bar code {
  margin-left: auto;
  color: var(--muted-2);
  font-size: 0.72rem;
}

.system-card pre {
  margin: 0;
  padding: 1.4rem 1.5rem;
  overflow-x: auto;
  color: #c9d3e0;
  font-size: 0.8rem;
  line-height: 1.8;
}

.system-card .key {
  color: #8ab4f8;
}

.system-card .val {
  color: var(--accent);
}

.system-card .com {
  color: #7b8a9e;
}

.system-card__footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.78rem;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.12);
  flex: 0 0 auto;
}

/* Sections */

.section {
  padding: 5.5rem 0;
  scroll-margin-top: 84px;
}

.section--alt {
  border-block: 1px solid var(--border);
  background: var(--bg-soft);
}

.section-head {
  max-width: 780px;
  margin-bottom: 2.75rem;
}

.section-head h2 {
  margin: 0.65rem 0 1rem;
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
}

/* These */

.thesis {
  max-width: 920px;
}

.thesis h2 {
  margin: 0.8rem 0 1.5rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.18;
}

.thesis .lead {
  max-width: 780px;
  font-size: 1.08rem;
}

.criteria {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.criterion {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(13, 26, 46, 0.6);
}

.criterion strong {
  display: block;
  color: #fff;
  font-size: 0.9rem;
}

.criterion span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted-2);
  font-size: 0.78rem;
}

/* Über mich */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.7fr);
  gap: 4rem;
  align-items: start;
}

.about-text h2 {
  margin: 0.65rem 0 1.5rem;
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
}

.about-text p {
  margin-bottom: 1.15rem;
  color: var(--muted);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-text strong {
  color: #fff;
}

.signature {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.75rem;
  color: var(--muted-2);
  font-size: 0.85rem;
}

.monogram {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.principle-list {
  display: grid;
  gap: 0.75rem;
}

.principle {
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: rgba(13, 26, 46, 0.6);
}

.principle strong {
  display: block;
  color: #fff;
  font-size: 0.9rem;
}

.principle span {
  color: var(--muted-2);
  font-size: 0.8rem;
}

/* Projekte */

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.6rem 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.6rem;
  right: 1.6rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.18s;
}

.project-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.project-card h3 {
  font-size: 1.05rem;
}

.project-card h3 code {
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
}

.project-meta {
  color: var(--muted-2);
  font-size: 0.72rem;
  white-space: nowrap;
}

.project-claim {
  margin-top: 0.55rem;
  color: #fff;
  font-size: 0.98rem;
  font-weight: 600;
}

.project-problem {
  margin-top: 0.9rem;
  color: var(--muted-2);
  font-size: 0.82rem;
}

.project-label {
  margin-right: 0.35rem;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-desc {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.evidence {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 1.1rem;
}

.evidence li {
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 0.7rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.project-link span {
  transition: transform 0.15s;
}

.project-link:hover span {
  transform: translateX(3px);
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.12);
}

.project-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
  gap: 2rem;
  padding: 2rem;
  border-color: rgba(232, 168, 56, 0.32);
  background:
    linear-gradient(135deg, rgba(232, 168, 56, 0.07), transparent 46%),
    var(--surface);
}

.project-card--featured::before {
  left: 2rem;
  right: 2rem;
  opacity: 1;
}

.project-card--featured:hover {
  border-color: rgba(232, 168, 56, 0.55);
  background:
    linear-gradient(135deg, rgba(232, 168, 56, 0.09), transparent 46%),
    var(--surface-2);
  transform: none;
}

.project-card--featured .project-card__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.project-card--featured .project-claim {
  max-width: 62ch;
  font-size: 1.28rem;
}

.project-card--featured .project-problem,
.project-card--featured .project-desc {
  max-width: 68ch;
}

.project-card--featured .project-link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 1.25rem;
}

.project-card__aside {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(6, 13, 26, 0.35);
}

.project-aside-label {
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-card--featured .evidence {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  margin-top: 0.9rem;
  padding-top: 0;
}

.project-card--featured .evidence li {
  background: rgba(255, 255, 255, 0.03);
}

.project-aside-note {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  font-size: 0.78rem;
}

.more-projects {
  margin-top: 1.5rem;
  color: var(--muted-2);
  font-size: 0.82rem;
}

.more-projects a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.more-projects a:hover {
  color: var(--accent);
}

/* Leistungen */

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.service-tag {
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.service-card h3 {
  margin: 0.45rem 0 0.6rem;
  font-size: 1.1rem;
}

.service-card p {
  color: var(--muted);
  font-size: 0.88rem;
}

.service-list {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.9rem;
}

.service-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted-2);
  font-size: 0.8rem;
}

.service-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.services-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.75rem;
}

.services-cta p {
  color: var(--muted-2);
  font-size: 0.85rem;
}

/* Nachweise */

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.stack-list li {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.8rem;
}

.proof-heading {
  font-size: 0.95rem;
}

.proof-note {
  margin-top: 1.25rem;
  color: var(--muted-2);
  font-size: 0.8rem;
}

.cert-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.cert {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.cert:last-child {
  border-bottom: 0;
}

.cert strong {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
}

.cert span {
  color: var(--muted-2);
  font-size: 0.75rem;
  text-align: right;
  white-space: nowrap;
}

/* Kontakt */

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--surface) 0%, #091425 100%);
}

.contact-panel h2 {
  margin: 0.5rem 0 0.8rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.contact-panel p {
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-actions .btn {
  width: 100%;
}

.contact-meta {
  margin-top: 1rem;
  color: var(--muted-2);
  font-size: 0.78rem;
}

/* Footer */

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted-2);
  font-size: 0.8rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand p {
  margin-top: 0.35rem;
  color: var(--muted-2);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-note {
  width: 100%;
  margin-top: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  font-size: 0.75rem;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .proof-grid,
  .contact-panel {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .system-card {
    display: none;
  }

  .project-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .container {
    padding-inline: 1.15rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    padding-block: 0.75rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .section {
    padding: 3.75rem 0;
    scroll-margin-top: 120px;
  }

  .project-card--featured {
    grid-template-columns: 1fr;
    gap: 1.4rem;
    padding: 1.5rem 1.35rem;
  }

  .project-card--featured::before {
    left: 1.35rem;
    right: 1.35rem;
  }

  .project-card--featured .project-claim {
    font-size: 1.12rem;
  }

  .project-card__aside {
    padding: 1.1rem 1.15rem;
  }

  .criteria {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: 1.6rem;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 380px) {
  .site-nav .nav-cta {
    display: none;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .section {
    scroll-margin-top: 100px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 0.35rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
}

.lang-switch a {
  padding: 0.15rem 0.35rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.lang-switch a.active {
  color: var(--accent);
  border-color: var(--border);
}

.lang-switch a:hover {
  color: #fff;
}

@media (max-width: 640px) {
  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }
}