/* Greenboxtools Landing — DSGVO-konform: keine externen Resources, keine Fonts vom CDN, keine Tracker, keine Cookies. */

:root {
  --background: 150 30% 4%;
  --foreground: 150 20% 96%;
  --card: 150 35% 6%;
  --muted: 150 15% 12%;
  --muted-foreground: 150 12% 65%;
  --primary: 152 100% 50%;
  --accent: 165 100% 45%;
  --border: 150 20% 16%;
  --radius: 0.75rem;

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: hsl(var(--foreground));
  background-color: hsl(var(--background));
  background-image:
    radial-gradient(ellipse at top, hsl(152 100% 50% / 0.06), transparent 60%),
    radial-gradient(ellipse at bottom right, hsl(165 100% 45% / 0.04), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

::selection {
  background: hsl(var(--primary) / 0.35);
  color: hsl(var(--background));
}

:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 3px;
  border-radius: 4px;
}

a {
  color: hsl(var(--primary));
  text-decoration: none;
  border-bottom: 1px solid hsl(var(--primary) / 0.35);
  transition: color .15s ease, border-color .15s ease;
}
a:hover { color: hsl(var(--accent)); border-color: hsl(var(--accent)); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── Site header ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: hsl(var(--background) / 0.7);
  border-bottom: 1px solid hsl(var(--border));
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 700;
  letter-spacing: .02em;
  border-bottom: none;
  color: hsl(var(--foreground));
}
.brand:hover { color: hsl(var(--foreground)); }
.brand .logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: hsl(var(--primary));
  box-shadow:
    0 0 12px hsl(var(--primary) / 0.8),
    0 0 28px hsl(var(--primary) / 0.4);
  animation: pulse 3s ease-in-out infinite;
}
.badge {
  display: inline-block;
  padding: .35rem .75rem;
  font-size: .75rem;
  font-family: var(--font-mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  border: 1px solid hsl(var(--primary) / 0.5);
  border-radius: 999px;
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.08);
}

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, hsl(var(--border) / 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, hsl(var(--border) / 0.35) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
          mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .hero .container { grid-template-columns: 1.15fr 1fr; }
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: .35rem .75rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.08);
  border: 1px solid hsl(var(--primary) / 0.35);
  border-radius: 999px;
}

h1 {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  font-weight: 800;
}
.text-gradient {
  background-image: linear-gradient(135deg, hsl(152 100% 65%) 0%, hsl(165 100% 55%) 50%, hsl(180 100% 60%) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

.lead {
  font-size: 1.2rem;
  color: hsl(var(--muted-foreground));
  margin: 0 0 2rem;
  max-width: 56ch;
}

.slogan {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .04em;
  color: hsl(var(--foreground) / 0.9);
  padding: 1rem 1.25rem;
  border-left: 3px solid hsl(var(--primary));
  background: hsl(var(--card) / 0.6);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 0 0 2.5rem;
}

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .25s ease, background .15s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: hsl(var(--primary));
  color: hsl(var(--background));
  box-shadow:
    0 0 0 1px hsl(var(--primary) / 0.4),
    0 0 24px -4px hsl(var(--primary) / 0.4),
    0 0 60px -20px hsl(var(--primary) / 0.6);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px hsl(var(--primary) / 0.6),
    0 0 32px -2px hsl(var(--primary) / 0.6),
    0 0 80px -16px hsl(var(--primary) / 0.7);
}
.btn-ghost {
  background: transparent;
  color: hsl(var(--foreground));
  border-color: hsl(var(--border));
}
.btn-ghost:hover { border-color: hsl(var(--primary) / 0.6); color: hsl(var(--primary)); }

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-visual img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  box-shadow:
    0 0 0 1px hsl(var(--primary) / 0.2),
    0 0 60px -10px hsl(var(--primary) / 0.35);
  animation: float 6s ease-in-out infinite;
}

/* ─── Pillars ─────────────────────────────────────────────── */
.pillars {
  padding: 4rem 0;
  border-top: 1px solid hsl(var(--border));
}
.section-head {
  text-align: center;
  margin: 0 auto 3rem;
  max-width: 60ch;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  letter-spacing: -0.01em;
  margin: 0 0 .75rem;
}
.section-head p { color: hsl(var(--muted-foreground)); margin: 0; }

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px)  { .grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: hsl(var(--card) / 0.6);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover {
  border-color: hsl(var(--primary) / 0.45);
  transform: translateY(-2px);
}
.card h3 {
  margin: 0 0 .5rem;
  font-size: 1.1rem;
  letter-spacing: -0.005em;
}
.card p {
  margin: 0;
  color: hsl(var(--muted-foreground));
  font-size: .95rem;
}
.card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  margin-bottom: 1rem;
  border: 1px solid hsl(var(--primary) / 0.3);
}
.card .icon svg { width: 20px; height: 20px; }

/* ─── Teaser strip ────────────────────────────────────────── */
.teaser {
  padding: 5rem 0;
}
.teaser-inner {
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) * 1.5);
  background: hsl(var(--card) / 0.5);
  position: relative;
  overflow: hidden;
}
.teaser-inner::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, hsl(var(--primary) / 0.35), transparent 60%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
          mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.teaser h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin: 0 0 .75rem;
}
.teaser p {
  max-width: 60ch;
  margin: 0 auto 1.5rem;
  color: hsl(var(--muted-foreground));
}
.dots {
  display: inline-flex;
  gap: .4rem;
  margin-top: .5rem;
}
.dots span {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: hsl(var(--primary));
  opacity: 0.35;
  animation: pulse 1.8s ease-in-out infinite;
}
.dots span:nth-child(2) { animation-delay: .2s; }
.dots span:nth-child(3) { animation-delay: .4s; }

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid hsl(var(--border));
  padding: 2.5rem 0;
  color: hsl(var(--muted-foreground));
  font-size: .9rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}
.site-footer nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer a { color: hsl(var(--muted-foreground)); border-bottom-color: hsl(var(--border)); }
.site-footer a:hover { color: hsl(var(--primary)); }

/* ─── Legal pages ─────────────────────────────────────────── */
.legal {
  padding: 4rem 0 6rem;
}
.legal .container { max-width: 760px; }
.legal h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0 0 2rem;
}
.legal h2 {
  font-size: 1.2rem;
  margin: 2.5rem 0 .75rem;
  color: hsl(var(--foreground));
  letter-spacing: -0.005em;
}
.legal p, .legal li {
  color: hsl(var(--muted-foreground));
  font-size: 1rem;
  margin: 0 0 1rem;
}
.legal ul { padding-left: 1.25rem; }
.legal strong { color: hsl(var(--foreground)); }
.legal .back {
  display: inline-block;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* ─── Animations ──────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.92); }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fade-in-up .7s ease-out both; }
.fade-in.delay-1 { animation-delay: .1s; }
.fade-in.delay-2 { animation-delay: .2s; }
.fade-in.delay-3 { animation-delay: .3s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}