:root {
  --bg: #0a0a0c;
  --bg-elevated: rgba(255, 255, 255, 0.04);
  --panel: rgba(255, 255, 255, 0.05);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --text: #f5f1eb;
  --muted: #b6ada3;
  --accent: #ff6b35;
  --accent-soft: rgba(255, 107, 53, 0.18);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 999px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 107, 53, 0.14), transparent 30%),
    radial-gradient(circle at 85% 18%, rgba(255, 255, 255, 0.06), transparent 22%),
    linear-gradient(180deg, #0d0d10 0%, #09090b 100%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.ambient {
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.6;
}

.ambient-one {
  top: 4rem;
  right: -4rem;
  width: 13rem;
  height: 13rem;
  background: rgba(255, 107, 53, 0.18);
}

.ambient-two {
  top: 34rem;
  left: -5rem;
  width: 12rem;
  height: 12rem;
  background: rgba(255, 169, 127, 0.12);
}

.topbar,
main,
.footer {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  backdrop-filter: blur(16px);
}

.wordmark {
  font-family: "Syne", sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.nav-link,
.eyebrow,
.card-label,
.card-link,
.footer,
.hero-facts {
  letter-spacing: 0.02em;
}

.nav-link {
  color: var(--muted);
  font-size: 0.95rem;
}

main {
  padding: 4rem 0 3rem;
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 3rem 0 5rem;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: #ffd1bf;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.project-card h3 {
  margin: 0;
  font-family: "Syne", sans-serif;
}

.hero h1 {
  max-width: 20ch;
  font-size: clamp(2.8rem, 9vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.05em;
}

.hero-copy {
  max-width: 40rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.project-card:hover,
.project-card:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-2px);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  padding: 0;
  margin: 0.25rem 0 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-facts li::before {
  content: "•";
  margin-right: 0.55rem;
  color: var(--accent);
}

/* ── Nav ── */
.topnav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* ── Sections base ── */
.services,
.about,
.contact {
  padding: 4rem 0 2rem;
}

/* ── Service grid ── */
.service-grid {
  display: grid;
  gap: 1rem;
}

.service-card {
  display: grid;
  gap: 0.85rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
    var(--panel);
}

/* KI card — primary/featured */
.service-card--feature {
  border-color: rgba(255, 107, 53, 0.32);
  background:
    radial-gradient(circle at top left, rgba(255, 107, 53, 0.16), transparent 50%),
    linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
    var(--panel-strong);
  box-shadow: 0 0 0 1px rgba(255, 107, 53, 0.15), var(--shadow);
}

.service-card h3 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.service-subline {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.service-bullets {
  margin: 0.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.service-bullets li::before {
  content: "→";
  margin-right: 0.55rem;
  color: var(--accent);
}

/* ── About ── */
.about-body {
  max-width: 720px;
  display: grid;
  gap: 1.25rem;
}

.about-body p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.about-linkedin {
  display: inline-flex;
  width: fit-content;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
  transition: opacity 150ms ease;
}

.about-linkedin:hover {
  opacity: 0.75;
}

/* ── Contact note ── */
.contact-note {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-heading {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.8rem;
}

.section-heading h2 {
  max-width: 14ch;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.project-card {
  position: relative;
  display: grid;
  gap: 1rem;
  min-height: 14rem;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    var(--panel);
  box-shadow: var(--shadow);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: rgba(255, 107, 53, 0.38);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    var(--panel-strong);
}

.project-card-featured {
  background:
    radial-gradient(circle at top right, rgba(255, 107, 53, 0.2), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    var(--panel);
}

.project-card h3 {
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.project-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.card-label {
  color: #ffd1bf;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.card-label.muted {
  color: #d8c8be;
}

.card-link {
  margin-top: auto;
  color: var(--accent);
  font-weight: 700;
}

.contact-link {
  display: inline-flex;
  width: fit-content;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: #ffd8cb;
  font-size: clamp(1.1rem, 4vw, 1.4rem);
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.footer {
  padding: 3rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-card:focus-visible,
.contact-link:focus-visible,
.nav-link:focus-visible,
.wordmark:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (min-width: 720px) {
  .topbar,
  main,
  .footer {
    width: min(calc(100% - 3rem), var(--max-width));
  }

  .hero {
    padding-top: 5rem;
  }


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

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

  .project-card-featured {
    grid-column: span 2;
    min-height: 16rem;
  }
}

@media (min-width: 1040px) {
  main {
    padding-top: 5rem;
  }

  .hero {
    grid-template-columns: 1.35fr 0.9fr;
    align-items: end;
  }

  .hero > h1 {
    grid-column: 1;
  }

  .hero-copy,
  .hero-facts {
    grid-column: 2;
  }

  .hero-copy {
    align-self: start;
  }

  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-card-featured {
    grid-column: span 2;
    grid-row: span 2;
  }
}