.sr-ribbon {
  background: var(--color-bg-contrast);
  color: var(--color-text-on-contrast);
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 5vw, 5rem);
  padding: .65rem 1rem;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.sr-ribbon span {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.sr-ribbon span + span:before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent-copper);
}

.sr-header {
  background: rgba(242, 239, 232, .95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(23, 33, 37, .12);
}

.sr-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
}

.sr-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
}

.sr-logo {
  height: 40px;
  width: 40px;
  object-fit: contain;
  border-radius: 50%;
}

.sr-brand-text {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.04em;
}

.sr-brand-text em {
  color: var(--color-accent-copper);
  font-style: normal;
}

.sr-nav {
  display: flex;
}

.sr-nav-header,
.sr-nav-backdrop,
.sr-nav-footer {
  display: none;
}

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

.sr-nav-list li {
  margin: 0;
  padding: 0;
}

.sr-nav-list a {
  color: var(--color-text-primary);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  position: relative;
}

.sr-nav-list a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -.45rem;
  height: 2px;
  background: var(--color-accent-copper);
  transition: right var(--transition-fast);
}

.sr-nav-list a:hover:after {
  right: 0;
}

.sr-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.sr-nav-toggle:hover {
  background: rgba(23, 33, 37, 0.06);
}

.sr-toggle-line {
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 900px) {
  .sr-nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 27, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .sr-nav-backdrop.open {
    opacity: 1;
    visibility: visible;
  }

  .sr-nav {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #fffdf8;
    color: #172125;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, visibility 0.3s ease;
    padding: 1.5rem 1.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    z-index: 9999;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  }

  .sr-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .sr-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid rgba(23, 33, 37, 0.08);
  }

  .sr-nav-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: #172125;
    letter-spacing: -0.02em;
  }

  .sr-nav-title em {
    color: var(--color-accent-copper);
    font-style: normal;
  }

  .sr-nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f2efe8;
    color: #172125;
    border: 1px solid rgba(23, 33, 37, 0.12);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }

  .sr-nav-close:hover,
  .sr-nav-close:focus-visible {
    background: var(--color-accent-copper);
    color: #ffffff;
    border-color: var(--color-accent-copper);
    transform: rotate(90deg) scale(1.05);
  }

  .sr-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .sr-nav-list li {
    width: 100%;
    border-bottom: 1px solid rgba(23, 33, 37, 0.06);
  }

  .sr-nav-list li:last-child {
    border-bottom: none;
  }

  .sr-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #172125;
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease, background-color 0.2s ease;
    border-radius: 8px;
  }

  .sr-nav-list a:after {
    content: "→";
    position: static;
    height: auto;
    background: transparent;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-accent-copper);
    opacity: 0.5;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .sr-nav-list a:hover,
  .sr-nav-list a:focus-visible {
    color: var(--color-accent-copper);
    padding-left: 0.85rem;
    background: rgba(225, 77, 42, 0.05);
  }

  .sr-nav-list a:hover:after,
  .sr-nav-list a:focus-visible:after {
    opacity: 1;
    transform: translateX(4px);
    right: auto;
  }

  .sr-nav-footer {
    display: flex;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(23, 33, 37, 0.08);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    justify-content: center;
  }

  .sr-nav-toggle {
    display: flex;
  }
}

.sr-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.sr-modal[aria-hidden="false"] {
  display: flex;
}

.sr-modal-dialog {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  padding: clamp(1.5rem, 5vw, 3rem);
  border-radius: var(--radius-md);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-soft);
}

.sr-modal-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 700px) {
  .sr-ribbon span:first-child,
  .sr-ribbon span:last-child {
    display: none;
  }

  .sr-ribbon span + span:before {
    display: none;
  }
}