/* =========================================================
   Hardtopständer Landingpage – Stylesheet
   Organisiert in Blöcken: Fonts → Tokens → Reset/Base →
   Utilities → Layout/Header/Nav → Components → Sections →
   Media Queries
   ========================================================= */

/* ---------- Fonts (self-hosted, kein Google-Fonts-Request) ---------- */
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/manrope-variable-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  /* Farben: Near-black / Graphite / Warm White / Metallic Accent */
  --color-black: #0a0a0b;
  --color-graphite-900: #16161a;
  --color-graphite-800: #202024;
  --color-graphite-700: #2c2c31;
  --color-warm-white: #f7f5f2;
  --color-grey-100: #e9e7e3;
  --color-grey-300: #c7c4bf;
  --color-grey-500: #8f8c88;
  --color-silver: #b8bcc2;
  --color-silver-bright: #d8dbe0;
  --color-accent: #c01953;
  --color-accent-bright: #d66a8f;
  --color-accent-dark: #a31547;

  --color-bg: var(--color-black);
  --color-bg-elevated: var(--color-graphite-900);
  --color-surface: var(--color-graphite-800);
  --color-surface-border: var(--color-graphite-700);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --color-text: var(--color-warm-white);
  --color-text-muted: var(--color-grey-300);
  --color-text-faint: var(--color-grey-500);
  --color-focus: var(--color-silver-bright);

  /* Abstand (4px-Basis) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;
  --space-20: 10rem;

  /* Radien */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Typografie */
  --font-sans: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-xs: 0.8125rem;
  --font-size-sm: 0.9375rem;
  --font-size-base: 1.0625rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-2xl: clamp(2rem, 1.6rem + 2vw, 2.75rem);
  --font-size-3xl: clamp(2.5rem, 1.9rem + 3vw, 3.75rem);
  --font-size-hero: clamp(2.75rem, 2rem + 4vw, 5rem);
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.6;

  /* Container */
  --container-max: 1280px;
  --container-narrow: 760px;
  --container-padding: clamp(1.25rem, 4vw, 3rem);

  /* Bewegung */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
}
/* Breakpoints (dokumentiert, media queries können keine custom properties lesen):
   480 / 768 / 1024 (Nav wechselt von Hamburger zu Inline) / 1280 / 1536px */

/* ---------- Reset / Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-wrap: break-word;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
ul,
ol,
figure,
table,
dl {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  hyphens: auto;
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-lg);
  font-weight: 650;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  background: var(--color-accent);
  color: var(--color-warm-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 650;
  text-decoration: none;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--font-size-xs);
  font-weight: 650;
  color: var(--color-accent-bright);
  margin-bottom: var(--space-4);
}

.section__header {
  max-width: var(--container-narrow);
  margin-bottom: var(--space-8);
}

.section__lead {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  margin-top: var(--space-4);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  min-height: 44px;
  border-radius: var(--radius-pill);
  font-weight: 650;
  font-size: var(--font-size-sm);
  text-decoration: none;
  text-align: center;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-warm-white);
}

.btn--primary:hover {
  background: var(--color-accent-dark);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.btn--secondary:hover {
  border-color: var(--color-accent-bright);
  color: var(--color-accent-bright);
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  min-height: 40px;
}

.btn-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-weight: 700;
  font-size: var(--font-size-base);
  letter-spacing: -0.02em;
  text-decoration: none;
}

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

.logo-sub {
  font-weight: 550;
  font-size: var(--font-size-xs);
  letter-spacing: 0;
  color: var(--color-text-muted);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background: var(--color-surface);
}

.nav-panel {
  display: none;
  position: absolute;
  inset-inline: 0;
  top: 100%;
  flex-direction: column;
  gap: var(--space-6);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--container-padding) var(--space-8);
}

.nav-panel[data-open="true"] {
  display: flex;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.nav-list a {
  display: block;
  padding: var(--space-2) 0;
  text-decoration: none;
  font-weight: 550;
  color: var(--color-text-muted);
}

.nav-list a:hover {
  color: var(--color-text);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .nav-panel {
    display: flex !important;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-8);
    background: none;
    border: 0;
    padding: 0;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--space-6);
  }

  .nav-list a {
    padding: 0;
  }
}

/* ---------- Feature image frame ---------- */
.feature__frame {
  position: relative;
  aspect-ratio: var(--ph-ratio, 4 / 3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

.feature__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Produktbilder ---------- */
.image-placeholder {
  position: relative;
  aspect-ratio: var(--ph-ratio, 4 / 3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.image-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-placeholder__label {
  position: relative;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: rgba(10, 10, 11, 0.72);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

.mini-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.mini-gallery figcaption {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .mini-gallery {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: var(--space-16) var(--space-16);
}

.hero__grid {
  display: grid;
  gap: var(--space-10);
}

/* CSS-Grid-Items schrumpfen ohne min-width:0 nicht unter ihren Inhalts-Min-Content
   (klassischer Grid-Overflow bei langen, unzertrennbaren Wörtern/Buttons). */
.hero__grid > *,
.feature > * {
  min-width: 0;
}

.hero__content {
  max-width: var(--container-narrow);
}

.hero__title {
  font-size: var(--font-size-hero);
  max-width: 17ch;
}

.hero__lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-block: var(--space-6);
}

.hero__media {
  margin-top: var(--space-4);
}

@media (min-width: 1024px) {
  .hero {
    padding-block: var(--space-20) var(--space-16);
  }
}

/* ---------- Trust strip ---------- */
.trust-strip {
  border-block: 1px solid var(--color-border);
  padding-block: var(--space-10);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.trust-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.trust-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ---------- Sections ---------- */
.section {
  padding-block: var(--space-16);
}

.section--alt {
  background: var(--color-bg-elevated);
}

/* Zwei-Spalten-Feature-Layout */
.feature {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.feature__body > * + * {
  margin-top: var(--space-4);
}

.feature__body p {
  color: var(--color-text-muted);
}

.feature .btn-group {
  margin-top: var(--space-6);
}

@media (min-width: 768px) {
  .feature {
    grid-template-columns: 1fr 1fr;
  }

  .feature--reverse .feature__media {
    order: 2;
  }
}

/* ---------- Benefit-/Vorteilskarten ---------- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.benefit-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
}

.benefit-card h3 {
  margin-bottom: var(--space-3);
}

.benefit-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ---------- Nummerierte Schrittliste (Anwendung) ---------- */
.step-list {
  counter-reset: step;
  display: grid;
  gap: var(--space-5);
  max-width: var(--container-narrow);
  margin-top: var(--space-8);
}

.step-list li {
  counter-increment: step;
  position: relative;
  padding-left: var(--space-10);
}

.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  color: var(--color-accent-bright);
  font-weight: 650;
  font-size: var(--font-size-sm);
}

.step-list p {
  font-weight: 550;
}

.step-list p + p {
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ---------- Visual break ---------- */
.visual-break {
  padding-block: var(--space-20);
  text-align: center;
}

.visual-break h2 {
  font-size: var(--font-size-3xl);
  max-width: 20ch;
  margin-inline: auto;
}

.visual-break .image-placeholder,
.visual-break .feature__frame {
  --ph-ratio: 21 / 9;
  margin-top: var(--space-10);
}

/* ---------- FAQ ---------- */
.faq-list {
  display: grid;
  gap: var(--space-3);
  max-width: var(--container-narrow);
  margin-top: var(--space-8);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-5);
}

.faq-item summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  color: var(--color-accent-bright);
  font-size: var(--font-size-xl);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  content: "\2013";
}

.faq-item p {
  color: var(--color-text-muted);
  padding-bottom: var(--space-5);
}

/* ---------- Final CTA ---------- */
.final-cta {
  text-align: center;
  padding-block: var(--space-20);
  background: var(--color-bg-elevated);
}

.final-cta__body {
  max-width: var(--container-narrow);
  margin-inline: auto;
}

.final-cta p {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.final-cta .btn-group {
  justify-content: center;
  margin-top: var(--space-8);
}

.final-cta__micro {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}

/* ---------- Legal pages (Impressum / Datenschutz) ---------- */
.legal {
  padding-block: var(--space-16);
}

.legal-back-link {
  display: inline-block;
  margin-bottom: var(--space-8);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.legal-back-link:hover {
  color: var(--color-text);
}

.legal-content {
  max-width: var(--container-narrow);
}

.legal-content h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-8);
}

.legal-content section + section {
  margin-top: var(--space-10);
}

.legal-content h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.legal-content p,
.legal-content address {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  font-style: normal;
}

.legal-content ul {
  margin-top: var(--space-3);
}

.legal-content ul li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.legal-content ul li::before {
  content: "\2013";
  position: absolute;
  left: 0;
  color: var(--color-accent-bright);
}

.legal-content a {
  color: var(--color-accent-bright);
}

.legal-meta {
  margin-top: var(--space-12);
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.site-footer__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-text);
}

.site-footer__copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}