/*
  Nadine Thome – Business Website
  Foundation CSS: Custom Properties, Reset, Typography, Container
*/

/* ─── Local Fonts ────────────────────────────────────────────────── */
@font-face {
  font-family: 'DM Sans';
  src: url('fonts/dm-sans-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('fonts/dm-sans-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('fonts/dm-sans-medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('fonts/dm-sans-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ─── Custom Properties ──────────────────────────────────────────── */
:root {

  /* ── Brand Colors ── */
  --color-brand-primary:   #F25A48;
  --color-brand-deep:      #D16D51;
  --color-accent-mint:     #81ABA2;
  --color-accent-sage:     #8A9A8A;
  --color-accent-sand:     #B89A7A;
  --color-accent-cool:     #C4C8CF;

  /* ── Semantic UI Colors ── */
  --color-bg:              #F7F3EF;
  --color-surface:         #E3DDD6;
  --color-surface-offset:  #dbd4cc;
  --color-text:            #444345;
  --color-text-muted:      #6A696B;
  --color-primary:         #F25A48;
  --color-primary-hover:   #D16D51;
  --color-divider:         #C4C8CF;
  --color-border:          rgba(68, 67, 69, 0.12);

  /* ── Spacing (4px base) ── */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-5:   20px;
  --space-6:   24px;
  --space-7:   28px;
  --space-8:   32px;
  --space-10:  40px;
  --space-12:  48px;
  --space-14:  56px;
  --space-16:  64px;
  --space-18:  72px;
  --space-20:  80px;
  --space-24:  96px;

  /* ── Type Scale ── */
  --text-xs:   13px;
  --text-sm:   15px;
  --text-base: 18px;
  --text-lg:   22px;
  --text-xl:   30px;
  --text-2xl:  44px;

  /* ── Border Radius ── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* ── Transition ── */
  --transition-base: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ── Layout ── */
  --container-max: 1100px;

  /* ── Typography ── */
  --font-base:    'DM Sans', sans-serif;
  --font-display: 'DM Sans', sans-serif;
  --font-body:    'DM Sans', sans-serif;
}

/* ─── Reset ──────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ─── Global Typography ──────────────────────────────────────────── */
body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1 {
  font-family: var(--font-base);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  overflow-wrap: break-word;
}

h2 {
  font-family: var(--font-base);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  overflow-wrap: break-word;
}

h3 {
  font-family: var(--font-base);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text);
  overflow-wrap: break-word;
}

h4 {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text);
  overflow-wrap: break-word;
}

p {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  overflow-wrap: break-word;
}

small {
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.5;
}

strong {
  font-weight: 500;
}

label {
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
}

input,
button,
textarea,
select {
  font-family: var(--font-base);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

/* ─── Utility ────────────────────────────────────────────────────── */
.text-meta {
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.45;
  color: var(--color-text-muted);
}

/* ─── Container ──────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

/* ─── Section Heading ────────────────────────────────────────────── */
.section-heading {
  font-family: var(--font-base);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-align: center;
}

/* ─── Buttons ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background-color: var(--color-brand-deep);
  border: 1px solid var(--color-brand-primary);
  padding: 14px 28px;
  border-radius: 30px;
  transition: background-color var(--transition-base), border-color var(--transition-base);
  white-space: nowrap;
  width: fit-content;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

/* ─── Header ─────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

/* ─── Header CTA ─────────────────────────────────────────────────── */
.primary-nav .btn-primary {
  align-self: center;
  flex-shrink: 0;
  width: fit-content;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 94px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 1;
  transition: opacity var(--transition-base);
}
.site-logo:hover { opacity: 0.75; }

.site-logo__img {
  display: block;
  height: 40px;
  width: auto;
  opacity: 1;
  filter: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}
.nav-toggle:hover { background-color: var(--color-surface); }

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  position: absolute;
  top: 94px;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) 1.25rem;
}
.primary-nav.is-open { display: flex; }

.primary-nav__list {
  display: flex;
  flex-direction: column;
  gap: 50px;
  width: 100%;
  align-items: center;
}

.primary-nav__link {
  display: block;
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: color var(--transition-base);
  text-align: center;
  width: 100vw;
  margin-inline: -1.25rem;
  padding-inline: 1.25rem;
}
.primary-nav__link:hover { color: var(--color-primary); }

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

  .primary-nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
    position: static;
    padding: 0;
    border: none;
    background: none;
  }

  .primary-nav__list {
    flex-direction: row;
    gap: var(--space-1);
    width: auto;
    align-items: center;
  }

  .primary-nav__link {
    padding: var(--space-1) var(--space-2);
    border-bottom: none;
    text-align: left;
    width: auto;
    margin-inline: 0;
    padding-inline: var(--space-2);
  }
}

/* ─── Hero ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
  padding-block: var(--space-12) var(--space-10);
}

.hero__bg-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  display: block;
  width: 100%;
  height: 100%;
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  max-width: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

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

.hero__headline {
  font-family: var(--font-base);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.hero__intro {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

.hero__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.hero__list-bullet {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.55em;
  border-radius: 50%;
  background-color: var(--color-text-muted);
}

.hero__list-item p {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.hero__image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-surface);
  aspect-ratio: 4 / 5;
  max-width: 420px;
  width: 100%;
  margin-inline: auto;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

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

  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-16);
  }

  .hero__content {
    flex: 1 1 0;
    gap: var(--space-8);
    max-width: 480px;
  }

  .hero__image-wrap {
    flex: 0 0 420px;
    max-width: none;
    margin-inline: 0;
    aspect-ratio: 9 / 11;
  }
}

@media (max-width: 767px) {
  .hero__bg-layer {
    display: none;
  }

  .hero {
    background-color: var(--color-bg);
  }
}

/* ─── Header Spacer ───────────────────────────────────────────────── */
.header-spacer {
  height: 94px;
  background-color: var(--color-bg);
}

/* ─── Leistungen ──────────────────────────────────────────────────── */
.leistungen {
  background-color: var(--color-surface);
  padding-block: var(--space-16);
}

.leistungen__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.leistungen__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.leistungen__card {
  border-radius: var(--radius-xl);
}

.leistungen__card-inner {
  border-radius: var(--radius-xl);
}

.leistungen__card-front {
  display: none;
}

.leistungen__card-back {
  background-color: var(--color-accent-mint);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.leistungen__card-back-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.leistungen__card-back-title {
  font-family: var(--font-base);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-bg);
  margin: 0;
  padding: 0;
}

.leistungen__card-back p {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-bg);
}

.leistungen__card-back p.leistungen__card-closing {
  font-weight: 700;
  padding-top: var(--space-2);
  color: var(--color-bg);
}

.leistungen__card-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.leistungen__card-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-bg);
}

.leistungen__card-list li::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 0.5em;
  border-radius: 50%;
  background-color: var(--color-bg);
}

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

  .leistungen__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .leistungen__card {
    perspective: 1200px;
    height: 420px;
    border-radius: var(--radius-xl);
  }

  .leistungen__card-inner {
    position: relative;
    width: 100%;
    height: 420px;
    transform-style: preserve-3d;
    transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: var(--radius-xl);
  }

  .leistungen__card:hover .leistungen__card-inner {
    transform: rotateY(180deg);
  }

  .leistungen__card-front {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    inset: 0;
    background-color: var(--color-accent-mint);
    border-radius: var(--radius-xl);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    padding: var(--space-8);
    box-sizing: border-box;
  }

  .leistungen__card-title {
    font-family: var(--font-base);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-bg);
    text-align: center;
    letter-spacing: 0.01em;
    margin: 0;
    padding: 0;
  }

  .leistungen__card-back {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: rotateY(180deg);
    overflow-y: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    box-sizing: border-box;
  }

  .leistungen__card-back-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-8);
    padding-top: var(--space-10);
    box-sizing: border-box;
    margin: 0;
  }

  .leistungen__card-back-title {
    margin: 0;
    padding: 0;
  }
}

/* ─── Arbeitsweise ────────────────────────────────────────────────── */
.arbeitsweise {
  background-color: var(--color-bg);
  padding-block: var(--space-16);
  overflow: hidden;
}

.arbeitsweise__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.arbeitsweise__visual {
  width: 100%;
}

.arbeitsweise__img {
  width: 100%;
  height: auto;
  display: block;
}

.arbeitsweise__img--mobile {
  display: block;
  width: 100%;
  max-width: 300px;
  margin-inline: auto;
}

.arbeitsweise__img--desktop {
  display: none;
}

.arbeitsweise__text {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 480px;
  text-align: center;
}

.aw-h__circle,
.aw-v__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-brand-deep);
  color: #fff;
  font-family: var(--font-base);
  font-weight: 600;
  text-align: center;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.aw-h { display: none; }
.aw-v { display: block; }

.aw-v__track {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.aw-v__item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.aw-v__circle {
  width: 148px;
  height: 148px;
  font-size: var(--text-base);
  position: relative;
  z-index: 1;
}

.aw-v__arc {
  width: 110px;
  height: 84px;
  color: var(--color-text-muted);
  display: block;
  flex-shrink: 0;
  overflow: visible;
}

.aw-v__arc--left {
  transform: scaleX(-1);
}

@media (min-width: 768px) {
  .arbeitsweise {
    padding-block: var(--space-20);
  }

  .arbeitsweise__img--mobile { display: none; }

  .arbeitsweise__img--desktop {
    display: block;
    max-width: 100%;
    margin-inline: unset;
  }

  .aw-h { display: block; }
  .aw-v { display: none; }

  .aw-h__track {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
  }

  .aw-h__item {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }

  .aw-h__circle {
    width: 110px;
    height: 110px;
    font-size: var(--text-xs);
    flex-shrink: 0;
  }

  .aw-h__item--connector {
    width: 64px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .aw-h__svg {
    width: 80px;
    height: 100px;
    color: var(--color-text-muted);
    display: block;
    overflow: visible;
  }
}

@media (min-width: 1024px) {
  .aw-h__circle {
    width: 140px;
    height: 140px;
    font-size: var(--text-sm);
  }

  .aw-h__item--connector {
    width: 72px;
    height: 110px;
  }

  .aw-h__svg {
    width: 88px;
    height: 110px;
  }
}

@media (min-width: 1200px) {
  .aw-h__circle {
    width: 155px;
    height: 155px;
    font-size: var(--text-base);
  }

  .aw-h__item--connector {
    width: 80px;
    height: 120px;
  }

  .aw-h__svg {
    width: 96px;
    height: 120px;
  }
}

/* ─── Referenzen ──────────────────────────────────────────────────── */
.referenzen {
  background-color: var(--color-surface);
  padding-block: var(--space-16);
}

.referenzen__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.referenzen__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.ref-card {
  border-radius: 40px;
}

.ref-card__inner-wrap {
  border-radius: 40px;
  min-height: 500px;
}

.ref-card__front {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  border-radius: 40px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  min-height: 500px;
}

.ref-card__headline,
.ref-card__back-title {
  font-family: "DM Sans", sans-serif;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
  color: #000;
  text-align: center;
  margin: 0;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ref-card__logo-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ref-card__logo {
  max-width: 100%;
  max-height: 110px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.ref-card__meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ref-card__subline {
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
  text-align: center;
  margin: 0;
}

.ref-card__text {
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}

.ref-card__flip-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  width: fit-content;
  gap: 6px;
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: none;
  border: 1px solid var(--color-primary);
  border-radius: 30px;
  padding: 8px 18px;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.ref-card__flip-hint:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.ref-card__flip-hint:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.ref-card__back {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  border-radius: 40px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  min-height: 500px;
}

.ref-card__back-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ref-card__back-body p {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
}

.ref-card__back-body ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.ref-card__back-body li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
}

.ref-card__back-body li::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  margin-top: 0.55em;
  border-radius: 50%;
  background-color: var(--color-text-muted);
}

.ref-card__back-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: center;
  width: fit-content;
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: none;
  border: 1px solid var(--color-divider);
  border-radius: 30px;
  padding: 8px 18px;
  cursor: pointer;
  margin-top: auto;
  transition: border-color 180ms ease, color 180ms ease;
}

.ref-card__back-hint:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.ref-card__back-hint:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.ref-card.is-flipped .ref-card__front { display: none; }
.ref-card.is-flipped .ref-card__back  { display: flex; }

@media (min-width: 768px) {
  .referenzen__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .referenzen__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ref-card {
    perspective: 1200px;
    height: 500px;
  }

  .ref-card__inner-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: unset;
    transform-style: preserve-3d;
    transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
  }

  .ref-card:hover .ref-card__inner-wrap,
  .ref-card:focus-within .ref-card__inner-wrap {
    transform: rotateY(180deg);
  }

  .ref-card__front {
    position: absolute;
    inset: 0;
    min-height: unset;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }

  .ref-card__flip-hint { display: none; }

  .ref-card__back {
    display: flex;
    position: absolute;
    inset: 0;
    min-height: unset;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: rotateY(180deg);
    overflow-y: hidden;
  }

  .ref-card__back-hint { display: none; }

  .ref-card.is-flipped .ref-card__front { display: flex; }
  .ref-card.is-flipped .ref-card__back  { display: flex; }
}

/* ─── Über mich ──────────────────────────────────────────────────── */
.ueber-mich {
  background-color: var(--color-bg);
  padding-block: var(--space-16);
}

.ueber-mich__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.ueber-mich__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.ueber-mich__image-wrap {
  width: 100%;
}

.ueber-mich__image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
  object-position: top center;
}

.ueber-mich__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.ueber-mich__heading {
  text-align: left;
}

.ueber-mich__text {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

.ueber-mich__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.ueber-mich__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
}

.ueber-mich__list-item::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 4px;
  margin-top: 0.55em;
  border-radius: 50%;
  background-color: var(--color-text-muted);
}

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

  .ueber-mich__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-10);
  }

  .ueber-mich__image-wrap {
    flex: 0 0 340px;
    width: 340px;
  }

  .ueber-mich__image {
    max-width: 340px;
    width: 100%;
  }

  .ueber-mich__content {
    flex: 1;
  }
}

/* ─── Kontakt ────────────────────────────────────────────────────── */
.kontakt {
  background-color: var(--color-surface);
  padding-block: var(--space-16);
}

.kontakt__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.kontakt__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.kontakt__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.kontakt__heading {
  text-align: left;
}

.kontakt__text {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

.kontakt__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.kontakt__detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.kontakt__detail-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.kontakt__detail-link {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  transition: color 180ms ease;
}

.kontakt__detail-link:hover {
  color: var(--color-primary);
}

.kontakt__form-wrap {
  width: 100%;
  background-color: #fff;
  border-radius: 40px;
  padding: var(--space-10);
  border: 1px solid var(--color-border);
}

.kontakt__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.kontakt__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.kontakt__label {
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
}

.kontakt__label-optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.kontakt__input,
.kontakt__textarea {
  width: 100%;
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  padding: var(--space-2) 0;
  transition: border-bottom-color 180ms ease;
  appearance: none;
  outline: none;
}

.kontakt__input:focus,
.kontakt__textarea:focus {
  border-bottom-color: var(--color-primary);
  outline: none;
  box-shadow: none;
}

.kontakt__textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.kontakt__feedback {
  font-family: var(--font-base);
  font-size: var(--text-xs);
  line-height: 1.4;
  display: none;
}

.kontakt__feedback--error {
  color: var(--color-error, #c0392b);
}

.kontakt__feedback--success {
  color: var(--color-primary);
  font-size: var(--text-base);
  font-weight: 500;
  padding: var(--space-4);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

[data-fs-error]:not(:empty),
[data-fs-success]:not(:empty) {
  display: block;
}

.kontakt__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  align-self: flex-start;
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background-color: var(--color-brand-deep);
  border: 1px solid var(--color-brand-deep);
  border-radius: 30px;
  padding: 14px 28px;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.kontakt__submit:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.kontakt__submit:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.kontakt__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

  .kontakt__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-10);
  }

  .kontakt__info {
    flex: 1;
  }

  .kontakt__form-wrap {
    flex: 2;
  }
}
/* ─── Footer ─────────────────────────────────────────────────────── */
.footer {
  background-color: #2a2825;
  padding-block: var(--space-10);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer__logo-link {
  display: inline-block;
  transition: opacity 180ms ease;
}

.footer__logo-link:hover {
  opacity: 0.75;
}

.footer__logo {
  display: block;
  height: 32px;
  width: auto;
}

.footer__copyright {
  font-family: var(--font-base);
  font-size: var(--text-xs);
  font-weight: 400;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}

.footer__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.footer__social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity 180ms ease;
}

.footer__social-link:hover {
  opacity: 0.7;
}

.footer__social-icon {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.footer__legal {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.footer__legal-link {
  font-family: var(--font-base);
  font-size: var(--text-xs);
  font-weight: 400;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 180ms ease;
}

.footer__legal-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 1024px) {
  .footer__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr auto;
    gap: 0;
    min-height: 120px;
  }

  .footer__brand {
    grid-column: 1;
    grid-row: 1 / 3;
    display: grid;
    grid-template-rows: auto 1fr;
    align-items: start;
    gap: 0;
  }

  .footer__logo-link {
    align-self: start;
  }

  .footer__copyright {
    align-self: end;
  }

  .footer__meta {
    grid-column: 2;
    grid-row: 1 / 3;
    display: grid;
    grid-template-rows: auto 1fr;
    align-items: start;
    justify-items: end;
    gap: 0;
  }

  .footer__social {
    align-self: start;
  }

  .footer__legal {
    align-items: flex-end;
    align-self: end;
  }
}

/* ─── Impressum ──────────────────────────────────────────────────── */
.impressum {
  background-color: var(--color-bg);
  padding-block: var(--space-16);
}

.impressum__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.impressum__heading {
  text-align: left;
}

.impressum__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 640px;
}

.impressum__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.impressum__section-title {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.impressum__address {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
  font-style: normal;
}

.impressum__text {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

.impressum__link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 180ms ease;
}

.impressum__link:hover {
  color: var(--color-primary-hover);
}

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

/* ─── Datenschutz ────────────────────────────────────────────────── */
.datenschutz {
  background-color: var(--color-bg);
  padding-block: var(--space-16);
}

.datenschutz__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.datenschutz__heading {
  text-align: left;
}

.datenschutz__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 640px;
}

.datenschutz__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.datenschutz__section-title {
  font-family: var(--font-base);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: var(--space-2);
}

.datenschutz__section-subtitle {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: var(--space-2);
}

.datenschutz__section-subsubtitle {
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.datenschutz__text {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

.datenschutz__text--uppercase {
  font-size: var(--text-sm);
}

.datenschutz__address {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
  font-style: normal;
}

.datenschutz__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-left: var(--space-5);
  margin: 0;
}

.datenschutz__list-item {
  font-family: var(--font-base);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.datenschutz__link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 180ms ease;
}

.datenschutz__link:hover {
  color: var(--color-primary-hover);
}

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

/* Breakpoints: Mobile base | Tablet: min-width 768px | Desktop: min-width 1024px */