@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../vendor/fonts/space-grotesk-latin.25ea4a783c12.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
    U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("../vendor/fonts/source-serif-4-latin.6a682eb0234e.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
    U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #b8c0c7;
  --surface: #f3f6f9;
  --ink: #3a4855;
  --muted: #5a6b7a;
  --accent: #6b8499;
  --accent-strong: #4a5f6f;
  --border-soft: #b3c5d4;
}

html {
  overflow-x: hidden;
}

body {
  font-family: "Georgia", "Times New Roman", serif;
  background:
    radial-gradient(1200px 600px at 100% -120px, rgba(179, 197, 212, 0.35), transparent 55%),
    radial-gradient(900px 600px at -10% 10%, rgba(90, 107, 122, 0.18), transparent 50%),
    linear-gradient(180deg, rgba(188, 198, 206, 0.94), rgba(168, 176, 183, 0.94)),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  letter-spacing: 0.01em;
  font-size: 1.1rem;
  line-height: 1.8;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: "Georgia", "Times New Roman", serif;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 3.5rem;
  color: #4a5f6f;
  letter-spacing: 0.05em;
}

h2 {
  font-size: 1.5rem;
  color: #4a5f6f;
}

.site-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  font-size: 3.5rem;
  color: #3a4855;
  letter-spacing: 0.05em;
  margin-bottom: 3rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image:
    radial-gradient(rgba(43, 36, 28, 0.12) 0.6px, transparent 0.6px);
  background-size: 4px 4px;
  mix-blend-mode: normal;
  z-index: 0;
}

.fog-band {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("../fog_image.b8ef153c48e3.png");
  background-image: image-set(
    url("../fog_image.aa230561cc17.webp") type("image/webp"),
    url("../fog_image.b8ef153c48e3.png") type("image/png")
  );
  background-repeat: repeat;
  background-size: auto 260px;
  background-position: 0 0;
  opacity: 0.6;
  filter: blur(0px) brightness(1.3) contrast(1.1) saturate(1.1);
  animation: fogBandDrift 90s linear infinite;
  will-change: background-position;
}

@keyframes fogBandDrift {
  from {
    background-position-x: 0;
  }
  to {
    background-position-x: -2000px;
  }
}

body > *:not(.fog-band) {
  position: relative;
  z-index: 2;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.65rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  clip-path: none;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(243, 246, 249, 0.98);
  color: var(--accent-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(43, 36, 28, 0.14);
  z-index: 20;
}

.site-header-wrap {
  padding: 3rem 2rem 2rem;
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.site-header-wrap::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4.5rem;
  pointer-events: none;
  z-index: 1;
  background: linear-gradient(180deg, rgba(184, 192, 199, 0), rgba(184, 192, 199, 0.92));
}

.site-header {
  margin-top: 0;
  position: relative;
  z-index: 2;
}

.main-nav {
  background: rgba(243, 246, 249, 0.72);
  border: 1px solid var(--border-soft);
  border-radius: 50px;
  box-shadow: 0 10px 24px rgba(43, 36, 28, 0.12);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.main-nav .navbar-nav {
  gap: 0.18rem;
}

.brand-mark {
  font-weight: 700;
  color: var(--accent-strong);
}

.nav-link {
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--accent-strong);
  background: rgba(107, 132, 153, 0.12);
}

.nav-link.active {
  color: var(--accent-strong);
  background: rgba(107, 132, 153, 0.18);
}

.nav-link--with-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.3rem;
  height: 1.3rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: #b94b4b;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
}

.nav-action {
  border-radius: 30px;
  border: 1px solid var(--border-soft);
  color: #fff;
  background: var(--accent);
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(43, 36, 28, 0.12);
}

.nav-action:visited {
  color: #fff;
}

.nav-action:hover,
.nav-action:focus {
  color: #fff;
  background: #5d7387;
  box-shadow: 0 10px 22px rgba(43, 36, 28, 0.12);
}

.nav-action.active {
  color: #fff;
  background: #546a7d;
  border-color: transparent;
}

.btn-link.nav-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  line-height: inherit;
}

.navbar .nav-item form {
  display: flex;
  align-items: center;
  height: 100%;
}

.btn-link.nav-logout:hover {
  color: var(--accent-strong);
  background: rgba(107, 132, 153, 0.12);
  text-decoration: none;
}

.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--border-soft);
  --bs-btn-hover-bg: #5d7387;
  --bs-btn-hover-border-color: var(--border-soft);
  --bs-btn-active-bg: #546a7d;
  --bs-btn-active-border-color: var(--border-soft);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
}

.btn-secondary {
  --bs-btn-bg: #e8eef2;
  --bs-btn-border-color: var(--border-soft);
  --bs-btn-hover-bg: #dfe6ec;
  --bs-btn-hover-border-color: var(--border-soft);
  --bs-btn-active-bg: #d4dee6;
  --bs-btn-active-border-color: var(--border-soft);
  --bs-btn-color: var(--ink);
  --bs-btn-hover-color: var(--ink);
  --bs-btn-active-color: var(--ink);
}

.btn-outline-secondary {
  --bs-btn-color: var(--ink);
  --bs-btn-border-color: #b3c5d4;
  --bs-btn-hover-bg: #ffffff;
  --bs-btn-hover-border-color: #a9bdcf;
  --bs-btn-hover-color: var(--ink);
  --bs-btn-active-bg: #ffffff;
  --bs-btn-active-border-color: #a1b6c9;
  --bs-btn-active-color: var(--ink);
  background-color: #ffffff;
}

.btn {
  border-radius: 30px;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover,
a:focus {
  color: #3f5361;
  text-decoration: none;
}

.card {
  border-color: rgba(43, 36, 28, 0.18);
  box-shadow:
    inset 0 0 0 1px rgba(43, 36, 28, 0.05),
    0 6px 14px rgba(43, 36, 28, 0.06);
}

.page-shell {
  position: relative;
  margin-top: 0;
  padding-top: 2rem;
  padding-bottom: 2.5rem;
  animation: fadeUp 0.5s ease both;
}

.page-shell::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  background: linear-gradient(180deg, rgba(184, 192, 199, 0.96) 0, #e3e7eb 4.5rem);
  z-index: -1;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.error-page {
  max-width: 760px;
  margin: 2rem auto 3rem;
  padding: 2.4rem 0;
  text-align: center;
}

.error-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5.25rem;
  min-height: 5.25rem;
  margin-bottom: 1.4rem;
  border: 1px solid var(--border-soft);
  border-radius: 50%;
  background: rgba(243, 246, 249, 0.92);
  color: var(--accent-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(43, 36, 28, 0.08);
}

.error-page h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.15;
}

.error-page p {
  max-width: 600px;
  margin: 0 auto 1.6rem;
  color: var(--muted);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.signup-page .form-check .asteriskField {
  display: none;
}

.signup-page .signup-birth-year-input ~ .form-text {
  color: rgba(71, 84, 101, 0.72);
  font-style: italic;
  line-height: 1.45;
}

.signup-page .form-check-label a {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.signup-page .form-check-label a:hover,
.signup-page .form-check-label a:focus {
  text-decoration-thickness: 0.12em;
}

main {
  flex: 1;
}

footer.footer {
  border-top: 1px solid rgba(31, 42, 46, 0.08);
}


.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.footer-links-left,
.footer-links-right {
  margin: 0;
}

.footer-links-right {
  justify-content: flex-end;
}

@media (max-width: 991px) {
  .main-nav {
    align-items: flex-start;
    border-radius: 28px;
    padding: 0.65rem 0.85rem;
  }

  .main-nav:not(:has(.navbar-collapse.show)):not(:has(.navbar-collapse.collapsing)) {
    align-items: center;
    border-radius: 999px;
  }

  .main-nav .navbar-collapse {
    width: 100%;
  }

  .main-nav .navbar-collapse.show,
  .main-nav .navbar-collapse.collapsing {
    border-top: 1px solid rgba(179, 197, 212, 0.75);
    margin-top: 0.65rem;
    padding-top: 0.55rem;
  }

  .main-nav .navbar-nav {
    gap: 0.1rem;
  }

  .main-nav .nav-link,
  .btn-link.nav-logout {
    border-radius: 16px;
    font-size: 1rem;
    line-height: 1.35;
    padding: 0.48rem 0.8rem;
    width: 100%;
  }

  .btn-link.nav-logout {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 1rem;
  }

  .site-header-wrap {
    padding: 1.6rem 0.85rem 1.4rem;
  }

  .site-title {
    font-size: clamp(2.35rem, 13vw, 3.2rem);
    line-height: 0.95;
    margin-bottom: 1.8rem;
  }

  .site-header {
    padding-left: 0;
    padding-right: 0;
  }

  .navbar-toggler {
    flex: 0 0 auto;
  }

  .navbar-brand {
    min-width: 0;
  }

  .page-shell {
    padding-left: 0.7rem;
    padding-right: 0.7rem;
    padding-top: 1.35rem;
  }

  .error-page {
    margin-top: 0.75rem;
    padding: 1.6rem 0 2.2rem;
  }

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

  footer.footer {
    font-size: 0.9rem;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }

  .footer-links-left,
  .footer-links-right {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
    justify-content: flex-start;
  }

  .footer-links .list-inline-item {
    margin-right: 0;
  }
}