:root {
  color-scheme: light;
  --bg: #f4f4f5;
  --bg-alt: #ffffff;
  --text: #111114;
  --muted: #5c5f66;
  --border: rgba(17, 17, 20, 0.08);
  --accent: #6c5ce7;
  --accent-soft: rgba(108, 92, 231, 0.12);
  --shadow: 0 20px 35px rgba(15, 15, 20, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1013;
  --bg-alt: #17181c;
  --text: #f8f8fb;
  --muted: #acb0bf;
  --border: rgba(248, 248, 251, 0.08);
  --accent: #7f7bff;
  --accent-soft: rgba(127, 123, 255, 0.16);
  --shadow: 0 25px 40px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.page-shell {
  min-height: 100vh;
  padding: 1.5rem clamp(1.5rem, 2vw, 4rem) 4rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.4));
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(22px);
  position: sticky;
  top: 1rem;
  z-index: 10;
  box-shadow: var(--shadow);
}

:root[data-theme="dark"] .site-header {
  background: linear-gradient(135deg, rgba(23, 24, 28, 0.9), rgba(23, 24, 28, 0.5));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.brand__dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 20;
}

.menu-toggle__line {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.site-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.site-nav a {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  position: relative;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.site-nav a[data-active="true"] {
  color: var(--text);
  background: var(--accent-soft);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--bg-alt);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: border 0.2s ease, background 0.2s ease;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.theme-toggle__slider {
  position: relative;
  width: 52px;
  height: 26px;
  border-radius: 999px;
  background: var(--border);
}

.theme-toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.25s ease;
}

:root[data-theme="dark"] .theme-toggle__thumb {
  transform: translateX(26px);
}

main {
  margin-top: 3rem;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
  background: var(--text);
  color: var(--bg);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

.hero__card {
  background: var(--bg-alt);
  border-radius: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.section-grid {
  margin-top: 4rem;
}

.section-grid__items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--bg-alt);
  border-radius: 1.2rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  min-height: 190px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card__link {
  margin-top: auto;
  color: var(--accent);
}

.not-found {
  max-width: 480px;
  margin: 4rem auto;
  text-align: center;
}

@media (max-width: 768px) {
  .site-header {
    flex-wrap: nowrap;
    border-radius: 1.5rem;
    position: relative;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1rem);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 15;
  }

  .site-nav[data-nav-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    width: 100%;
    text-align: center;
    padding: 0.75rem 1rem;
  }

  .theme-toggle {
    margin-left: auto;
  }
}

/* Cookie-Banner */
.cookie-banner {
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000 !important;
  padding: 1.5rem;
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cookie-banner__content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.cookie-banner__text {
  flex: 1;
}

.cookie-banner__text p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
}

.cookie-banner__text p:first-child {
  font-weight: 600;
  margin-top: 0;
}

.cookie-banner__link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cookie-banner__link:hover {
  text-decoration-color: var(--accent);
}

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

.cookie-banner__btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cookie-banner__btn--accept {
  background: var(--accent);
  color: white;
}

.cookie-banner__btn--accept:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.cookie-banner__btn--reject {
  background: var(--muted);
  color: white;
  opacity: 0.7;
}

.cookie-banner__btn--reject:hover {
  opacity: 0.9;
}

@media (min-width: 768px) {
  .cookie-banner__content {
    flex-direction: row;
    align-items: center;
  }

  .cookie-banner__buttons {
    flex-shrink: 0;
  }
}

/* Cookie-Popup */
.cookie-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cookie-popup--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.cookie-popup__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cookie-popup__content {
  position: relative;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow);
  z-index: 1;
  transform: scale(1);
  transition: transform 0.3s ease;
}

.cookie-popup--hidden .cookie-popup__content {
  transform: scale(0.95);
}

.cookie-popup__text {
  margin: 0 0 1.5rem 0;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text);
  text-align: center;
}

.cookie-popup__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.cookie-popup__btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cookie-popup__btn--confirm {
  background: var(--accent);
  color: white;
}

.cookie-popup__btn--confirm:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.cookie-popup__btn--cancel {
  background: var(--border);
  color: var(--text);
}

.cookie-popup__btn--cancel:hover {
  background: var(--muted);
  color: white;
}