:root {
  --bg: #0b0f0e;
  --fg: #e8f0ec;
  --muted: #8fa399;
  --accent: #3dcf9a;
  --border: #1e2b26;
  --card: #121a17;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--fg);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 207, 154, 0.14), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(56, 120, 255, 0.08), transparent 50%),
    var(--bg);
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1100px, 92%);
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  align-items: center;
}

/* Language switch — match Contact button / site chrome */
.lang-switch {
  --lang-pad: 3px;
  position: relative;
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  gap: 0;
  min-width: 4.75rem;
  height: 2.15rem;
  padding: var(--lang-pad);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  vertical-align: middle;
  user-select: none;
  overflow: hidden;
}

.lang-switch-thumb {
  position: absolute;
  top: var(--lang-pad);
  bottom: var(--lang-pad);
  left: var(--lang-pad);
  width: calc(50% - var(--lang-pad));
  border-radius: 999px;
  background: linear-gradient(135deg, #3dcf9a, #1f8f66);
  transition: transform 0.2s ease;
  pointer-events: none;
  z-index: 0;
}

.lang-switch[data-lang="de"] .lang-switch-thumb {
  transform: translateX(100%);
}

.lang-switch button,
.lang-switch .lang-opt {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  position: relative;
  z-index: 1;
  margin: 0;
  border: 0 !important;
  outline: none;
  background: transparent !important;
  background-color: transparent !important;
  box-shadow: none !important;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  display: grid;
  place-items: center;
  min-width: 0;
}

.lang-switch button.is-active,
.lang-switch .lang-opt.is-active {
  color: #04140e !important;
}

.lang-switch button:hover:not(.is-active),
.lang-switch .lang-opt:hover:not(.is-active) {
  color: var(--fg);
}

.lang-switch:hover {
  border-color: rgba(61, 207, 154, 0.45);
}

.hero {
  padding: 3rem 0 4rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

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

.hero .lead {
  margin: 1.25rem 0 0;
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border-radius: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #3dcf9a, #1f8f66);
  color: #04140e;
}

.btn-primary:hover {
  filter: brightness(1.06);
  text-decoration: none;
}

.btn-ghost {
  border-color: var(--border);
  color: var(--fg);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: rgba(61, 207, 154, 0.45);
  text-decoration: none;
}

.panel {
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(18, 26, 23, 0.95), rgba(12, 18, 16, 0.98));
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .panel {
    grid-template-columns: repeat(3, 1fr);
    padding: 2rem;
  }
}

.metric .label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.metric .value {
  margin-top: 0.35rem;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 1.8rem;
  font-weight: 600;
}

.metric .sub {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.safe {
  color: #6ee7b7;
}
.warn {
  color: #fcd34d;
}
.lock {
  color: #fda4af;
}

section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

section h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

section p {
  color: var(--muted);
  max-width: 40rem;
}

.grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 800px) {
  .grid.three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--card);
  padding: 1.25rem;
}

.card h3 {
  margin: 0 0 0.5rem;
}

.card p,
.card .mono {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.mono {
  font-family: ui-monospace, Consolas, monospace;
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

footer .row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
}

footer nav {
  gap: 1rem;
}

.legal {
  padding: 2.5rem 0 4rem;
  max-width: 720px;
}

.legal h1 {
  margin: 0 0 1.5rem;
  font-size: 2rem;
}

.legal h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.15rem;
  color: var(--fg);
}

.legal p,
.legal li {
  color: var(--muted);
}

.note {
  margin-top: 2rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.1);
  border-radius: 0.6rem;
  color: #fde68a;
  font-size: 0.85rem;
}