/* ============================================
   cultivAIte — style.css
   ============================================ */

/* --- Fonts --- */
@font-face {
  font-family: 'Flecha M';
  src: url('../fonts/FlechaM-Regular.woff2') format('woff2'),
       url('../fonts/FlechaM-Regular.woff') format('woff');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Söhne';
  src: url('../fonts/soehne-web-buch.woff2') format('woff2'),
       url('../fonts/soehne-web-buch.woff') format('woff');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Söhne';
  src: url('../fonts/soehne-web-halbfett.woff2') format('woff2'),
       url('../fonts/soehne-web-halbfett.woff') format('woff');
  font-weight: 600;
  font-display: swap;
}

/* --- Custom Properties --- */
:root {
  --color-blue: #0000FE;
  --color-near-black: #1A1A1A;
  --color-off-white: #FBFAF9;
  --color-warm-gray: #EDEAE7;
  --color-yellow: #EFF746;
  --color-light-blue: #ACC1FF;
  --color-white: #FFFFFF;

  --font-serif: 'Flecha M', Georgia, serif;
  --font-sans: 'Söhne', -apple-system, 'Helvetica Neue', sans-serif;

  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-near-black);
  background-color: var(--color-off-white);
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Typography --- */
h1, h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
}

h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

p {
  margin-bottom: var(--spacing-sm);
}

.text-serif {
  font-family: var(--font-serif);
}

.text-large {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.5;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-lg) 0;
}

.section--gray {
  background-color: var(--color-warm-gray);
}

.section--dark {
  background-color: var(--color-near-black);
  color: var(--color-off-white);
}

.section--blue {
  background-color: var(--color-blue);
  color: var(--color-white);
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

/* --- Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--color-warm-gray);
  transition: background-color 0.3s;
}

.site-header--transparent {
  background-color: transparent;
  border-bottom: none;
}

.site-header--transparent .nav-link {
  color: var(--color-white);
}

.site-header--transparent .nav-link:hover {
  color: var(--color-yellow);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-logo img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.9375rem;
  color: var(--color-near-black);
  transition: color 0.2s;
  position: relative;
}

.nav-link:hover {
  color: var(--color-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-blue);
  transition: width 0.2s;
}

.nav-link:hover::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-near-black);
  transition: transform 0.3s, opacity 0.3s;
}

.site-header--transparent .nav-toggle span {
  background-color: var(--color-white);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 2rem;
  border: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}

.btn--primary {
  background-color: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-blue);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}

.btn--outline:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-near-black);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--color-white);
}

.btn--yellow {
  background-color: var(--color-yellow);
  color: var(--color-near-black);
  border-color: var(--color-yellow);
}

.btn--yellow:hover {
  background-color: transparent;
  color: var(--color-yellow);
}

/* --- Cards --- */
.card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border: 1px solid var(--color-warm-gray);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card__title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.card__text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #555;
  margin-bottom: var(--spacing-sm);
}

.card__meta {
  font-size: 0.8125rem;
  color: #888;
  margin-bottom: var(--spacing-sm);
}

.card__link {
  font-weight: 600;
  color: var(--color-blue);
  font-size: 0.9375rem;
}

.card__link:hover {
  text-decoration: underline;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-near-black);
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.5;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__logo {
  width: 220px;
  margin: 0 auto var(--spacing-lg);
}

.hero__statement {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
}

/* Page Hero (smaller) */
.hero--page {
  min-height: 50vh;
  padding: calc(72px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
}

.hero--page .hero__content {
  max-width: 800px;
}

/* --- Blockquote / Thesen --- */
.quote-block {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.5;
  padding: var(--spacing-lg) 0;
  max-width: 800px;
  margin: 0 auto;
}

.these {
  padding: var(--spacing-lg) 0;
}

.these__number {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-blue);
  margin-bottom: var(--spacing-xs);
}

.these__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--spacing-sm);
}

.these__opener {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  color: #444;
}

.these__text {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 720px;
}

.section--dark .these__number {
  color: var(--color-yellow);
}

.section--dark .these__opener {
  color: #ccc;
}

/* --- Kernkompetenzen-Cards --- */
.competence-card {
  text-align: center;
  padding: var(--spacing-md);
}

.competence-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background-color: var(--color-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.competence-card__icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-white);
}

.competence-card__title {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.competence-card__text {
  font-size: 0.9375rem;
  color: #555;
}

/* --- Team --- */
.team-member {
  text-align: center;
}

.team-member__photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background-color: var(--color-warm-gray);
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-blue);
}

.team-member__name {
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.team-member__role {
  font-size: 0.875rem;
  color: var(--color-blue);
  margin-bottom: var(--spacing-xs);
}

.team-member__bio {
  font-size: 0.9375rem;
  color: #555;
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-warm-gray);
  background-color: var(--color-white);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}

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

.contact-form {
  max-width: 600px;
}

/* --- Product Line --- */
.product-line {
  margin-bottom: var(--spacing-lg);
}

.product-line__label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-blue);
  margin-bottom: var(--spacing-xs);
}

/* --- Risk Awareness Detail Sections --- */
.detail-section {
  padding: var(--spacing-lg) 0;
}

.detail-section__list {
  list-style: none;
}

.detail-section__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
  line-height: 1.6;
}

.detail-section__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: 600;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.detail-card {
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-left: 3px solid var(--color-blue);
}

.detail-card__title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-blue);
}

/* --- Format Info --- */
.format-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

.format-info__item {
  display: flex;
  gap: var(--spacing-sm);
}

.format-info__label {
  font-weight: 600;
  min-width: 120px;
  flex-shrink: 0;
}

/* --- Legal Pages --- */
.legal {
  padding-top: calc(72px + var(--spacing-lg));
  padding-bottom: var(--spacing-lg);
}

.legal h1 {
  margin-bottom: var(--spacing-lg);
}

.legal h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.25rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal p {
  max-width: 720px;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-near-black);
  color: var(--color-off-white);
  padding: var(--spacing-lg) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer-logo img {
  height: 24px;
  width: auto;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-off-white);
  opacity: 0.7;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-copy {
  font-size: 0.8125rem;
  opacity: 0.5;
}

/* --- Paper Overlay --- */
.has-paper-overlay {
  position: relative;
}

.has-paper-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/paper-overlay/design-space-paper-textured-background.jpg');
  background-size: cover;
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* --- Utilities --- */
.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.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;
}

/* ============================================
   Responsive
   ============================================ */

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

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

  .detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .format-info {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (max-width: 767px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-warm-gray);
  }

  .site-header--transparent .nav-links {
    background-color: var(--color-near-black);
  }

  .nav-links--open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero__logo {
    width: 160px;
  }

  .hero--page {
    min-height: 40vh;
  }
}

@media (min-width: 1024px) {
  .detail-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}