:root {
  --color-primary: #800000;
  --color-primary-dark: #5a0000;
  --color-secondary: #f4e8e7;
  --color-neutral-900: #1b1b1b;
  --color-neutral-700: #3b3b3b;
  --color-neutral-100: #f9f9f9;
  --color-white: #ffffff;
  --max-width: 1100px;
  --shadow-soft: 0 20px 40px rgba(24, 0, 0, 0.15);
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    "Source Sans 3",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--color-neutral-900);
  background-color: var(--color-neutral-100);
}

h1,
h2,
h3 {
  font-family: "Playfair Display", Georgia, serif;
  margin-top: 0;
  color: var(--color-neutral-900);
}

p {
  margin: 0 0 1rem;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hero {
  position: relative;
  min-height: 80vh;
  background:
    radial-gradient(
      circle at top left,
      rgba(128, 0, 0, 0.75),
      rgba(27, 27, 27, 0.95)
    ),
    url("/assets/images/hero-800.jpg?v=df1010c3") center top/cover;
  background-image:
    radial-gradient(
      circle at top left,
      rgba(128, 0, 0, 0.75),
      rgba(27, 27, 27, 0.95)
    ),
    image-set(
      url("/assets/images/hero-800.avif?v=a0e1762a") type("image/avif") 1x,
      url("/assets/images/hero.avif?v=6cc17827") type("image/avif") 2x,
      url("/assets/images/hero-800.webp?v=87ff0140") type("image/webp") 1x,
      url("/assets/images/hero.webp?v=fb4334dd") type("image/webp") 2x,
      url("/assets/images/hero-800.jpg?v=df1010c3") type("image/jpeg") 1x,
      url("/assets/images/hero.jpg?v=b49af977") type("image/jpeg") 2x
    );
  color: var(--color-white);
  display: flex;
  flex-direction: column;
}

.page-header {
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(128, 0, 0, 0.95),
    rgba(18, 4, 4, 0.95)
  );
  color: var(--color-white);
}

.page-header__content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 5vw 2.5rem;
}

.page-header__content h1 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.page-header__content p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 5vw;
}

.nav__brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav__links a {
  position: relative;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-white);
  padding-bottom: 0.25rem;
}

.nav__lang {
  display: flex;
  align-items: center;
  margin-left: 0.75rem;
}

.nav__lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav__lang-link {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
}

.nav__lang-link.is-active {
  color: var(--color-white);
}

.nav__lang-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__lang-divider {
  color: rgba(255, 255, 255, 0.5);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav__links a:focus::after,
.nav__links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__toggle {
  background: none;
  border: none;
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

.hero__content {
  max-width: 700px;
  padding: 6rem 5vw 4rem;
  margin-top: auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  margin-bottom: 1rem;
  color: rgba(255, 145, 0, 0.7);
  text-shadow: 0 8px 18px rgba(0, 0, 0, 0.45);
}

.hero .lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
}

.eyebrow {
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: var(--transition);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

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

.btn--outline {
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.btn--outline:hover,
.btn--outline:focus {
  background: var(--color-white);
  color: var(--color-primary);
}

.section {
  padding: 5rem 5vw;
  background: var(--color-white);
}

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

.section__header {
  max-width: var(--max-width);
  margin: 0 auto 3rem;
  text-align: center;
}

.section__header p {
  max-width: 720px;
  margin: 0.75rem auto 0;
  color: var(--color-neutral-700);
}

.imprint__content {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-white);
  padding: 2rem;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.imprint__content h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
  color: var(--color-primary);
}

.imprint__content h2:first-of-type {
  margin-top: 0;
}

.pillars {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
}

.pillar {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.pillar h3 {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.cards,
.schedule,
.accordion {
  max-width: var(--max-width);
  margin: 0 auto;
}

.cards {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--color-white);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 5px solid var(--color-primary);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(128, 0, 0, 0.1);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: var(--color-primary);
}

.card p {
  margin: 0 0 0.75rem;
}

.card h4 {
  margin: 0 0 0.5rem;
}

.card ul {
  padding-left: 1.2rem;
  margin: 0;
  color: var(--color-neutral-700);
}

.schedule {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-bottom: 3rem;
}

.event {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  border-left: 4px solid rgba(128, 0, 0, 0.5);
  position: relative;
}

.event__badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.event h3 {
  margin-bottom: 0.5rem;
}

.event__next {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.75rem 0 0;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(128, 0, 0, 0.08);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.event__next--pause {
  background: rgba(0, 0, 0, 0.06);
  color: var(--color-neutral-700);
}

.event__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.75rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(128, 0, 0, 0.35);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.event__link:hover,
.event__link:focus {
  background: var(--color-primary);
  color: var(--color-white);
}

.visit {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.visit iframe {
  width: 100%;
  min-height: 320px;
  border: none;
  border-radius: 18px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
}

.connections {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
}

.connection {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 18px;
  border: 1px solid rgba(128, 0, 0, 0.1);
}

.give {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
}

.give__option {
  background: var(--color-white);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.08);
}

.give__option h3 {
  margin-bottom: 1rem;
}

.give__option--stripe {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.give__option ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.give__option li {
  margin-bottom: 0.75rem;
}

.give__qr {
  display: block;
  width: 180px;
  max-width: 100%;
  height: auto;
  margin: 0 auto 1rem 0;
  border-radius: 12px;
  border: 1px solid rgba(128, 0, 0, 0.12);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  background: var(--color-white);
}

stripe-buy-button,
stripe-payment-card,
stripe-pricing-table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0.5rem auto 0;
}

.small {
  font-size: 0.875rem;
  color: var(--color-neutral-700);
}

.accordion-item {
  background: var(--color-white);
  border-radius: 18px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.accordion-button {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  font-weight: 600;
  cursor: pointer;
}

.accordion-button span {
  color: var(--color-primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1.5rem;
}

.accordion-content p {
  color: var(--color-neutral-700);
}

.accordion-item.active .accordion-content {
  padding: 0 1.5rem 1.25rem;
  max-height: 800px;
}

.contact {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-white);
  border-radius: 24px;
  padding: 3rem;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.08);
}

.notebook {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-white);
  border-radius: 24px;
  padding: 3rem;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  border: 1px solid rgba(128, 0, 0, 0.12);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.08);
}

.notebook h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.notebook ul {
  padding-left: 1.2rem;
  margin: 1rem 0 0;
  color: var(--color-neutral-700);
}

.notebook__cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

.contact__details ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact__details li {
  margin-bottom: 0.85rem;
}

.footer {
  background: #120404;
  color: rgba(255, 255, 255, 0.8);
  padding: 2.5rem 5vw;
}

.footer__content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  align-items: center;
}

.footer__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer__links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

.footer__links a:hover,
.footer__links a:focus {
  color: var(--color-white);
}

.footer__meta {
  font-size: 0.85rem;
}

@media (max-width: 830px) {
  .give {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: absolute;
    inset: 80px 1.5rem auto;
    background: rgba(18, 4, 4, 0.95);
    flex-direction: column;
    padding: 1.5rem;
    border-radius: 16px;
    gap: 1rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: var(--transition);
  }

  .nav__links.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav__lang {
    width: 100%;
    justify-content: center;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
  }

  .nav__lang-toggle {
    justify-content: center;
  }

  .hero__content {
    padding-top: 4rem;
  }
}

@media (max-width: 600px) {
  .hero {
    min-height: 90vh;
    background:
      radial-gradient(
        circle at top left,
        rgba(128, 0, 0, 0.75),
        rgba(27, 27, 27, 0.95)
      ),
      url("/assets/images/hero-400.jpg?v=75187e04") center/cover;
    background-image:
      radial-gradient(
        circle at top left,
        rgba(128, 0, 0, 0.75),
        rgba(27, 27, 27, 0.95)
      ),
      image-set(
        url("/assets/images/hero-400.avif?v=9b51dfa9") type("image/avif") 1x,
        url("/assets/images/hero-800.avif?v=a0e1762a") type("image/avif") 2x,
        url("/assets/images/hero-400.webp?v=98dc2691") type("image/webp") 1x,
        url("/assets/images/hero-800.webp?v=87ff0140") type("image/webp") 2x,
        url("/assets/images/hero-400.jpg?v=75187e04") type("image/jpeg") 1x,
        url("/assets/images/hero-800.jpg?v=df1010c3") type("image/jpeg") 2x
      );
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .contact {
    padding: 2rem;
  }

  .notebook {
    padding: 2rem;
  }
}

@media (prefers-reduced-data: reduce) {
  .hero {
    background-image:
      radial-gradient(
        circle at top left,
        rgba(128, 0, 0, 0.75),
        rgba(27, 27, 27, 0.95)
      ),
      url("/assets/images/hero-200.jpg?v=40b4256f");
  }
}