:root {
  --bg: #F4F2F1;
  --surface: #FFFFFF;
  --ink: #191015;
  --ink-dim: #564E4A;
  --terracotta: #C76542;
  --terracotta-dark: #A54F31;
  --border: #D7CEC9;
  --shadow: 25 16 21;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16110F;
    --surface: #201A17;
    --ink: #F7F2EF;
    --ink-dim: #B6A9A2;
    --terracotta: #E08862;
    --terracotta-dark: #E9A183;
    --border: #3A2F2A;
    --shadow: 0 0 0;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Space Grotesk", system-ui, sans-serif;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- nav ---- */

header.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 1rem 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

header.nav.scrolled { border-bottom-color: var(--border); }

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgb(var(--shadow) / 0.18);
}

.nav .btn { padding: 0.55rem 1.15rem; font-size: 0.9rem; }

/* ---- hero ---- */

.hero {
  position: relative;
  padding: 5rem 0 3.5rem;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% 0 auto;
  height: 120%;
  background:
    radial-gradient(50% 45% at 50% 40%, color-mix(in srgb, var(--terracotta) 22%, transparent), transparent 70%);
  pointer-events: none;
}

.hero > .wrap { position: relative; }

.eyebrow {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  color: var(--ink-dim);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 1.15rem;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero h1 em {
  font-style: normal;
  color: var(--terracotta-dark);
}

.lede {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--ink-dim);
  max-width: 36rem;
  margin: 0 auto 2rem;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.85rem 1.25rem;
}

.note { color: var(--ink-dim); font-size: 0.88rem; margin: 0; }

/* ---- buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 6px 18px rgb(var(--shadow) / 0.18);
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  background: var(--terracotta-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgb(var(--shadow) / 0.24);
}

.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
}

/* ---- screenshots ---- */

.screenshots {
  display: flex;
  justify-content: safe center;
  gap: 1.5rem;
  padding: 1rem 1.5rem 5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 1.5rem;
}

.screenshots img {
  flex: 0 0 auto;
  scroll-snap-align: center;
  height: clamp(360px, 55vw, 620px);
  width: auto;
  aspect-ratio: 368 / 800;
  border-radius: 20px;
  box-shadow: 0 24px 50px rgb(var(--shadow) / 0.28);
}

/* ---- features ---- */

section.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4.5rem 0;
}

.section-head {
  max-width: 34rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
}

.section-head p { margin: 0; color: var(--ink-dim); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature {
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.feature:hover {
  border-color: var(--terracotta);
  transform: translateY(-3px);
}

.feature .icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 0.9rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--terracotta) 16%, transparent);
  font-size: 1.15rem;
  line-height: 1;
}

.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

/* ---- cta ---- */

.cta {
  text-align: center;
  padding: 5rem 0;
}

.cta h2 {
  font-size: clamp(1.7rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.cta p { color: var(--ink-dim); margin: 0 0 1.75rem; }

/* ---- footer ---- */

footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-dim);
  font-size: 0.9rem;
}

footer a {
  color: var(--ink-dim);
  text-decoration: none;
}

footer a:hover {
  color: var(--terracotta-dark);
  text-decoration: underline;
}

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

/* ---- prose pages (impressum) ---- */

.prose {
  max-width: 640px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.prose h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.prose .muted { color: var(--ink-dim); }

.prose a { color: var(--terracotta-dark); }

.prose dl {
  margin: 2rem 0 0;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.prose dt {
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  margin-top: 1.25rem;
}

.prose dt:first-child { margin-top: 0; }

.prose dd { margin: 0.15rem 0 0; }

.obf {
  position: relative;
  display: inline-block;
  height: 1.4em;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  user-select: none;
}

.obf span {
  position: absolute;
  top: 0;
  white-space: pre;
}

.back {
  display: inline-block;
  margin-bottom: 2rem;
  text-decoration: none;
  font-weight: 500;
}

.back:hover { text-decoration: underline; }

@media (max-width: 560px) {
  .screenshots { padding-bottom: 3.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}