/* Brand — Dark Forest Clean-Tech Germany */
:root {
  --bg: #0c1612;
  --bg-elevated: #12201a;
  --bg-warm: #0e1a15;
  --surface: #162820;
  --surface-alt: #1c3228;
  --surface-lift: #234033;
  --text: #e6efe9;
  --text-strong: #f4faf6;
  --muted: #9bb0a4;
  --primary: #3d9b6e;
  --primary-hover: #4db582;
  --primary-soft: rgba(61, 155, 110, 0.16);
  --accent: #5eb8c4;
  --accent-soft: rgba(94, 184, 196, 0.14);
  --solar: #d4b56a;
  --solar-soft: rgba(212, 181, 106, 0.14);
  --border: rgba(158, 190, 172, 0.18);
  --border-strong: rgba(158, 190, 172, 0.32);
  --focus: #6fd4a0;
  --danger: #e08a8a;
  --success: #3d9b6e;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 0 rgba(255, 255, 255, 0.04), 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.45);
  --container: 1280px;
  --section-space: clamp(4rem, 7vw, 7rem);
  --header-h: 80px;
  --font-display: "DM Sans", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --glow: 0 0 60px rgba(61, 155, 110, 0.12);
}

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("https://fonts.gstatic.com/s/manrope/v19/xn7gYHE41ni1AdIRggexSg.woff2") format("woff2");
}

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("https://fonts.gstatic.com/s/dmsans/v15/rP2tp2ywxg089UriI5-g4vlH9VoD8Cmcqbu0-K6z9mXgjU0.woff2") format("woff2");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

html,
body {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  position: relative;
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.68;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 90% 55% at 0% -5%, rgba(61, 155, 110, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 5%, rgba(212, 181, 106, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(42, 90, 70, 0.25), transparent 60%),
    linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 35%, #0a1210 100%);
  background-attachment: fixed;
  overflow-wrap: break-word;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-hover);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--solar);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--text-strong);
  line-height: 1.15;
  letter-spacing: -0.03em;
  overflow-wrap: break-word;
  hyphens: auto;
  margin: 0 0 0.75rem;
  font-weight: 650;
}

h1 {
  font-size: clamp(2.15rem, 5vw, 3.6rem);
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
}

h3 {
  font-size: clamp(1.12rem, 2vw, 1.32rem);
  letter-spacing: -0.015em;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.lead {
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.72;
  color: var(--muted);
  max-width: 40rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--solar);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--solar);
}

.text-center {
  text-align: center;
}

.text-center .lead {
  margin-inline: auto;
}

.text-center .eyebrow {
  justify-content: center;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.92rem;
}

.disclaimer,
.price-disclaimer,
.footer-disclaimer {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--solar);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.2rem;
}

.price-disclaimer {
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 50px;
  padding: 0.8rem 1.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.96rem;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease), transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.btn .arrow {
  transition: transform 0.25s var(--ease);
  display: inline-block;
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn-primary {
  background: linear-gradient(135deg, #2f8a5c 0%, #3d9b6e 50%, #4aad7a 100%);
  color: #04120c;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08) inset, var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3d9b6e 0%, #4db582 100%);
  color: #04120c;
  text-decoration: none;
  box-shadow: var(--glow), var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--text-strong);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--surface-lift);
  color: var(--text-strong);
  text-decoration: none;
  border-color: var(--primary);
}

.btn-ghost {
  background: var(--primary-soft);
  color: var(--primary-hover);
  border-color: rgba(61, 155, 110, 0.25);
}

.btn-ghost:hover {
  background: rgba(61, 155, 110, 0.28);
  color: var(--text-strong);
  text-decoration: none;
}

.btn-full {
  width: 100%;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.75rem;
  border-radius: 2px;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(61, 155, 110, 0.25);
}

.tag-solar {
  background: var(--solar-soft);
  color: var(--solar);
  border-color: rgba(212, 181, 106, 0.3);
}

.tag-accent {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(94, 184, 196, 0.28);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
