/* ============================================================
   KI-42.de — Design System
   ============================================================
   All colours, fonts, spacing and component styles are
   controlled via CSS custom-properties below. Change a value
   here and it will propagate everywhere.
   See css-guide.txt for a human-readable overview.
   ============================================================ */

/* ---------- 0. GOOGLE FONT ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---------- 1. COLOUR TOKENS ---------- */
:root {
  /* ── Primary greens (hero accents, buttons, links) ── */
  --clr-green-600: #7CB342;
  --clr-green-400: #9CCC65;
  --clr-green-200: #C5E1A5;
  --clr-green-100: #DCEDC8;
  --clr-green-50: #F1F8E9;

  /* ── Accent yellows (highlights, badges, hover states) ── */
  --clr-yellow-600: #FBC02D;
  --clr-yellow-400: #FFE082;
  --clr-yellow-200: #FFF9C4;

  /* ── Neutrals / text ── */
  --clr-dark-900: #263238;
  --clr-dark-700: #424242;
  --clr-dark-500: #616161;
  --clr-black: #000000;
  --clr-light-100: #EEEEEE;
  --clr-light-50: #9E9E9E;
  --clr-white: #FFFFFF;

  /* ── Surfaces ── */
  --clr-bg: #FAFAFA;
  /* page background           */
  --clr-surface: #FFFFFF;
  /* cards, form boxes         */
  --clr-surface-alt: var(--clr-green-50);
  /* alternate section bg     */
  --clr-hero-bg: #0a0a0a;
  /* hero / canvas background  */

  /* ── Semantic ── */
  --clr-accent: var(--clr-green-600);
  --clr-accent-hover: var(--clr-green-400);
  --clr-cta: var(--clr-yellow-600);
  --clr-cta-hover: var(--clr-yellow-400);

  /* ---------- 2. TYPOGRAPHY ---------- */
  --ff-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* fluid type scale (clamp min / preferred / max) */
  --fs-hero-title: clamp(2.8rem, 6vw, 5.5rem);
  --fs-hero-sub: clamp(1.2rem, 2.5vw, 2rem);
  --fs-hero-text: clamp(1.4rem, 3vw, 2.8rem);
  --fs-h1: clamp(2rem, 4vw, 3.2rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.2rem);
  --fs-h3: clamp(1.1rem, 2vw, 1.5rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.1rem);
  --fs-small: clamp(0.8rem, 0.9vw, 0.9rem);
  --fs-xs: 0.75rem;

  --lh-body: 1.75;
  --lh-heading: 1.2;
  --lh-tight: 1.1;

  /* ---------- 3. SPACING ---------- */
  --sp-xs: 0.25rem;
  --sp-sm: 0.5rem;
  --sp-md: 1rem;
  --sp-lg: 2rem;
  --sp-xl: 3rem;
  --sp-2xl: 5rem;
  --sp-3xl: 8rem;

  --content-max: 900px;
  /* max width for text columns */
  --section-max: 1200px;
  /* max width for section rows */

  /* ---------- 4. BORDERS & RADII ---------- */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* ---------- 5. SHADOWS ---------- */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, .12);
  --shadow-xl: 0 16px 50px rgba(0, 0, 0, .14);
  --shadow-card: 0 2px 16px rgba(124, 179, 66, .10);

  /* ---------- 6. TRANSITIONS ---------- */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --dur-fast: 180ms;
  --dur-normal: 350ms;
  --dur-slow: 600ms;

  /* ---------- 7. Z-INDEX MAP ---------- */
  --z-canvas: 1;
  --z-hero-text: 5;
  --z-nav: 100;
  --z-back-top: 90;
  --z-loader: 200;

  /* ---------- 8. LGBTQ BADGE ---------- */
  --lgbtq-height: 12px;
  /* height of the rainbow bar */
}

/* ============================================================
   COOKIE CONSENT BANNER
   ============================================================ */
.consent-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, .45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-lg);
  opacity: 1;
  transition: opacity 0.4s var(--ease-out);
}

.consent-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.consent-box {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 580px;
  width: 100%;
  padding: var(--sp-xl) var(--sp-xl) var(--sp-lg);
  text-align: left;
}

.consent-title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  color: var(--clr-dark-900);
  text-align: center;
  margin-bottom: var(--sp-lg);
}

.consent-text {
  font-size: var(--fs-body);
  color: var(--clr-dark-700);
  line-height: var(--lh-body);
  margin-bottom: var(--sp-xl);
}

.consent-buttons {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
  margin-bottom: var(--sp-lg);
}

.consent-btn {
  flex: 1 1 auto;
  min-width: 140px;
  padding: var(--sp-md) var(--sp-lg);
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}

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

.consent-btn--accept {
  background: var(--clr-green-600);
  color: var(--clr-white);
}

.consent-btn--accept:hover {
  background: var(--clr-green-400);
  box-shadow: var(--shadow-md);
}

.consent-btn--decline {
  background: var(--clr-light-100);
  color: var(--clr-dark-700);
}

.consent-btn--decline:hover {
  background: #E0E0E0;
}

.consent-btn--settings {
  background: var(--clr-light-100);
  color: var(--clr-dark-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.consent-btn--settings:hover {
  background: #E0E0E0;
  color: var(--clr-dark-700);
}

.consent-links {
  display: flex;
  justify-content: center;
  gap: var(--sp-lg);
  padding-top: var(--sp-md);
  border-top: 1px solid rgba(0, 0, 0, .08);
}

.consent-links a {
  font-size: var(--fs-small);
  font-weight: var(--fw-regular);
  color: var(--clr-green-600);
  text-decoration: underline;
}

.consent-links a:hover {
  color: var(--clr-yellow-600);
}

/* Mobile adjustments for consent banner */
@media (max-width: 480px) {
  .consent-box {
    padding: var(--sp-lg) var(--sp-md) var(--sp-md);
  }

  .consent-buttons {
    flex-direction: column;
  }

  .consent-btn {
    min-width: unset;
    width: 100%;
  }
}

/* ============================================================
   GLOBAL RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--ff-body);
  font-weight: var(--fw-regular);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--clr-dark-900);
  background: var(--clr-light-50);
  /* #AED581 — green at browser edges */
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

a:hover {
  color: var(--clr-accent-hover);
}

ul,
ol {
  list-style-position: inside;
}

/* ============================================================
   LGBTQ BANNER (very top of page)
   ============================================================ */
.lgbtq-bar {
  width: 100%;
  height: var(--lgbtq-height);
  background: linear-gradient(90deg,
      #E40303 0%,
      #E40303 16.6%,
      #FF8C00 16.6%,
      #FF8C00 33.3%,
      #FFED00 33.3%,
      #FFED00 50%,
      #008026 50%,
      #008026 66.6%,
      #004DFF 66.6%,
      #004DFF 83.3%,
      #750787 83.3%,
      #750787 100%);
  position: fixed;
  top: 0;
  left: 0;
  z-index: calc(var(--z-nav) + 10);
  flex-shrink: 0;
}

/* ============================================================
   LOADER (shown while frames pre-load)
   ============================================================ */
.loader-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--clr-hero-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  transition: opacity var(--dur-slow) var(--ease-out);
}

.loader-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-text {
  font-family: var(--ff-body);
  font-weight: var(--fw-light);
  font-size: var(--fs-body);
  color: var(--clr-light-100);
  letter-spacing: 0.08em;
}

.loader-bar-container {
  width: min(300px, 80vw);
  height: 3px;
  background: rgba(255, 255, 255, .12);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-green-600), var(--clr-yellow-600));
  border-radius: var(--radius-full);
  transition: width 100ms linear;
}

/* ============================================================
   HERO SECTION — Canvas & Text Overlays
   ============================================================ */
.hero-wrapper {
  position: relative;
  width: 100%;
  height: 600vh;
  /* long scroll distance for animation + pause at end */
  background: var(--clr-hero-bg);
}

.hero-canvas {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: var(--z-canvas);
  display: block;
  background: var(--clr-hero-bg);
}

/* Text overlays floating on top of the canvas */
.hero-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: var(--z-hero-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  padding: var(--sp-lg);
}

.hero-text {
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
  position: absolute;
  width: 100%;
  padding: 0 var(--sp-xl);
}

.hero-text.visible {
  opacity: 1;
}

.hero-text--center {
  text-align: center;
}

.hero-text--center .hero-title {
  font-size: var(--fs-hero-title);
  font-weight: var(--fw-extrabold);
  color: var(--clr-white);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  text-shadow: 0 2px 40px rgba(0, 0, 0, .5);
}

.hero-text--center .hero-subtitle {
  font-size: var(--fs-hero-sub);
  font-weight: var(--fw-bold);
  color: var(--clr-green-400);
  margin-top: var(--sp-md);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .4);
}

.hero-text--left {
  text-align: left;
  left: 0;
  display: flex;
  align-items: center;
  height: 100%;
  padding-left: clamp(var(--sp-xl), 8vw, 10rem);
}

.hero-text--left .hero-phrase {
  font-size: var(--fs-hero-text);
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  line-height: var(--lh-heading);
  text-shadow: 0 2px 30px rgba(0, 0, 0, .5);
  max-width: 600px;
}

.hero-text--right {
  text-align: right;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  padding-right: clamp(var(--sp-xl), 8vw, 10rem);
}

.hero-text--right .hero-phrase {
  font-size: var(--fs-hero-text);
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  line-height: var(--lh-heading);
  text-shadow: 0 2px 30px rgba(0, 0, 0, .5);
  max-width: 600px;
}

/* ============================================================
   FEATURE / CATEGORY GRID (after hero)
   ============================================================ */
.features-section {
  position: relative;
  z-index: 10;
  background: var(--clr-hero-bg);
  padding: var(--sp-3xl) var(--sp-lg) var(--sp-2xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-lg);
  max-width: var(--section-max);
  margin: 0 auto;
}

.feature-card {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl) var(--sp-lg);
  text-align: center;
  cursor: pointer;
  transition:
    transform var(--dur-normal) var(--ease-out),
    background var(--dur-normal) var(--ease-out),
    border-color var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, .08);
  border-color: var(--clr-green-600);
  box-shadow: 0 8px 30px rgba(124, 179, 66, .15);
}

.feature-card:hover .feature-icon {
  color: var(--clr-green-400);
  transform: scale(1.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--clr-green-600);
  transition: color var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out);
}

.feature-label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--clr-light-100);
  line-height: 1.4;
}

.feature-card.feature-cta {
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-400));
  border-color: transparent;
}

.feature-card.feature-cta:hover {
  background: linear-gradient(135deg, var(--clr-green-400), var(--clr-yellow-600));
  box-shadow: 0 8px 30px rgba(124, 179, 66, .3);
}

.feature-card.feature-cta .feature-label {
  color: var(--clr-white);
  font-weight: var(--fw-semibold);
}

.feature-card.feature-cta .feature-icon {
  color: var(--clr-white);
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.content-area {
  background: linear-gradient(90deg,
      var(--clr-light-50) 0%,
      var(--clr-bg) clamp(100px, 22vw, 450px),
      var(--clr-bg) calc(100% - clamp(100px, 22vw, 450px)),
      var(--clr-light-50) 100%);
  position: relative;
}

.section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-3xl) var(--sp-lg);
}

.section+.section {
  border-top: 1px solid rgba(0, 0, 0, .06);
}

.section__title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  color: var(--clr-dark-900);
  line-height: var(--lh-heading);
  margin-bottom: var(--sp-sm);
}

.section__subtitle {
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--clr-green-600);
  margin-bottom: var(--sp-xl);
  line-height: var(--lh-body);
  font-style: italic;
}

.section__body {
  color: var(--clr-dark-700);
  line-height: var(--lh-body);
}

.section__body p {
  margin-bottom: var(--sp-md);
}

.section__body strong {
  font-weight: var(--fw-semibold);
  color: var(--clr-dark-900);
}

.section__body ul {
  margin: var(--sp-md) 0;
  padding-left: var(--sp-lg);
  list-style: none;
}

.section__body ul li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: var(--sp-sm);
}

.section__body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-green-600);
}

.section__body h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  color: var(--clr-dark-900);
  margin: var(--sp-xl) 0 var(--sp-sm);
}

/* ── Section placeholder image ── */
.section__image {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  margin: var(--sp-xl) auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-light-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Float image (left in text) ── */
.section__image--float {
  float: left;
  width: 220px;
  max-width: 220px;
  aspect-ratio: 1 / 1;
  margin: 0 var(--sp-lg) var(--sp-md) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-light-100);
  box-shadow: var(--shadow-md);
}

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

/* Clear float after section__body */
.section__body::after {
  content: '';
  display: table;
  clear: both;
}

.section__image--placeholder {
  border: 2px dashed rgba(0, 0, 0, .1);
}

.section__image--placeholder::after {
  content: 'Bild folgt';
  font-size: var(--fs-small);
  color: var(--clr-dark-500);
  font-weight: var(--fw-medium);
}

/* intro section with anchor links */
.intro-links {
  margin: var(--sp-lg) 0;
  padding-left: var(--sp-lg);
  list-style: none;
}

.intro-links li {
  padding-left: 1.5em;
  position: relative;
  margin-bottom: var(--sp-sm);
}

.intro-links li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-green-600);
}

.intro-links a {
  font-weight: var(--fw-medium);
  color: var(--clr-green-600);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.intro-links a:hover {
  color: var(--clr-yellow-600);
}

/* ============================================================
   BACK-TO-TOP BUTTON
   ============================================================ */
.btn-top {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-top: var(--sp-xl);
  padding: var(--sp-sm) var(--sp-lg);
  font-family: var(--ff-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--clr-dark-500);
  background: #CDDC39;
  border: 1px solid rgba(0, 0, 0, .1);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
  text-decoration: none;
}

.btn-top:hover {
  color: #424242;
  border-color: var(--clr-green-600);
  background: #C0CA33;
}

.btn-top svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-section {
  background: linear-gradient(90deg,
      var(--clr-light-50) 0%,
      var(--clr-surface-alt) clamp(100px, 22vw, 450px),
      var(--clr-surface-alt) calc(100% - clamp(100px, 22vw, 450px)),
      var(--clr-light-50) 100%);
  padding: var(--sp-3xl) var(--sp-lg);
}

.contact-inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

.contact-section .section__title {
  text-align: center;
  margin-bottom: var(--sp-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}

.form-group label {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--clr-dark-700);
}

.form-group input,
.form-group textarea {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  padding: var(--sp-md);
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: var(--radius-md);
  background: var(--clr-white);
  color: var(--clr-dark-900);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-green-600);
  box-shadow: 0 0 0 3px rgba(124, 179, 66, .15);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.btn-submit {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  padding: var(--sp-md) var(--sp-xl);
  color: var(--clr-white);
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-400));
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out);
  align-self: center;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  text-align: center;
  padding: var(--sp-xl) var(--sp-lg);
  background: linear-gradient(90deg,
      var(--clr-light-50) 0%,
      var(--clr-bg) clamp(100px, 22vw, 450px),
      var(--clr-bg) calc(100% - clamp(100px, 22vw, 450px)),
      var(--clr-light-50) 100%);
  border-top: 1px solid rgba(0, 0, 0, .06);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--sp-lg);
  list-style: none;
}

.footer-links a {
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  color: var(--clr-dark-500);
}

.footer-links a:hover {
  color: var(--clr-green-600);
}

.footer-copy {
  margin-top: var(--sp-sm);
  font-size: var(--fs-xs);
  color: var(--clr-dark-500);
}

/* ============================================================
   SUBPAGE STYLES (Impressum / Datenschutz)
   ============================================================ */
.subpage {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-3xl) var(--sp-lg);
  min-height: 80vh;
}

.subpage__back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--clr-green-600);
  margin-bottom: var(--sp-xl);
}

.subpage__back:hover {
  color: var(--clr-yellow-600);
}

.subpage h1 {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  margin-bottom: var(--sp-xl);
  color: var(--clr-dark-900);
}

.subpage h2 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  margin: var(--sp-xl) 0 var(--sp-md);
  color: var(--clr-dark-900);
}

.subpage h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  margin: var(--sp-lg) 0 var(--sp-sm);
  color: var(--clr-dark-900);
}

.subpage p {
  margin-bottom: var(--sp-md);
  color: var(--clr-dark-700);
}

.subpage ul {
  margin: var(--sp-md) 0;
  padding-left: var(--sp-lg);
}

.subpage ul li {
  margin-bottom: var(--sp-sm);
  color: var(--clr-dark-700);
}

.subpage a {
  word-break: break-all;
}

/* ============================================================
   3D FLIP CAROUSEL
   ============================================================ */
.flip-scene {
  perspective: 1800px;
  overflow: hidden;
  min-height: 50vh;
}

.flip-carousel {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(.4, 0, .2, 1);
}

.flip-face {
  display: none;
  opacity: 0;
  animation: none;
}

.flip-face--active {
  display: block;
  opacity: 1;
}

/* Flip OUT — current face rotates away */
@keyframes flipOut {
  0%   { transform: rotateY(0deg);   opacity: 1; }
  50%  { transform: rotateY(90deg);  opacity: 0; }
  100% { transform: rotateY(90deg);  opacity: 0; display: none; }
}

/* Flip IN — new face rotates in from other side */
@keyframes flipIn {
  0%   { transform: rotateY(-90deg); opacity: 0; }
  50%  { transform: rotateY(-90deg); opacity: 0; }
  51%  { opacity: 1; }
  100% { transform: rotateY(0deg);   opacity: 1; }
}

.flip-face--out {
  animation: flipOut 0.7s cubic-bezier(.4, 0, .2, 1) forwards;
}

.flip-face--in {
  display: block;
  animation: flipIn 0.7s cubic-bezier(.4, 0, .2, 1) forwards;
}

/* Reverse flip OUT — current face rotates back to the right */
@keyframes flipOutReverse {
  0%   { transform: rotateY(0deg);   opacity: 1; }
  50%  { transform: rotateY(-90deg); opacity: 0; }
  100% { transform: rotateY(-90deg); opacity: 0; display: none; }
}

/* Reverse flip IN — willkommen rotates back from the left */
@keyframes flipInReverse {
  0%   { transform: rotateY(90deg); opacity: 0; }
  50%  { transform: rotateY(90deg); opacity: 0; }
  51%  { opacity: 1; }
  100% { transform: rotateY(0deg);  opacity: 1; }
}

.flip-face--out-reverse {
  animation: flipOutReverse 0.7s cubic-bezier(.4, 0, .2, 1) forwards;
}

.flip-face--in-reverse {
  display: block;
  animation: flipInReverse 0.7s cubic-bezier(.4, 0, .2, 1) forwards;
}

/* Back button */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-top: var(--sp-xl);
  padding: var(--sp-sm) var(--sp-lg);
  font-family: var(--ff-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-400));
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    transform var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out);
  text-decoration: none;
}

.btn-back:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   SCROLL-TRIGGERED FADE-IN ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — Tablet
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--sp-md);
  }

  .feature-card {
    padding: var(--sp-lg) var(--sp-sm);
  }

  .feature-icon {
    width: 36px;
    height: 36px;
  }

  .section {
    padding: var(--sp-2xl) var(--sp-lg);
  }
}

/* ============================================================
   RESPONSIVE — Large phones
   ============================================================ */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-md);
  }

  .feature-card {
    padding: var(--sp-lg) var(--sp-md);
  }

  .hero-text--left {
    padding-left: var(--sp-lg);
  }

  .hero-text--right {
    padding-right: var(--sp-lg);
  }

  .section {
    padding: var(--sp-xl) var(--sp-md);
  }

  .section__image {
    max-width: 100%;
  }

  .section__image--float {
    float: none;
    width: 100%;
    max-width: 280px;
    margin: 0 auto var(--sp-lg) auto;
  }

  .contact-section {
    padding: var(--sp-2xl) var(--sp-md);
  }

  /* Larger touch targets */
  .btn-top {
    padding: var(--sp-md) var(--sp-lg);
    font-size: var(--fs-body);
  }

  .btn-submit {
    width: 100%;
    padding: var(--sp-md);
  }

  .form-group input,
  .form-group textarea {
    font-size: 16px;
    /* prevents iOS zoom on focus */
  }
}

/* ============================================================
   RESPONSIVE — Small phones
   ============================================================ */
@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-sm);
  }

  .feature-card {
    padding: var(--sp-md) var(--sp-sm);
    gap: var(--sp-sm);
  }

  .feature-icon {
    width: 32px;
    height: 32px;
  }

  .feature-label {
    font-size: var(--fs-xs);
  }

  .section {
    padding: var(--sp-lg) var(--sp-md);
  }

  .hero-text--left {
    padding-left: var(--sp-md);
  }

  .hero-text--right {
    padding-right: var(--sp-md);
  }
}