/*
 * Blackbriar website foundation
 *
 * Global tokens, a small reset, shared primitives, navigation, and footer.
 * Section-specific styling belongs in sections.css; interactive overlays and
 * cards belong in components.css.
 */

:root {
  --bb-red: #d00000;
  --bb-red-rgb: 208, 0, 0;
  --color-background: #000;
  --color-text: #fff;
  --font-body: "Poppins", "Helvetica Neue", Arial, sans-serif;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --site-header-height: 75px;
  --site-header-height-mobile: calc(70px + var(--safe-area-top));
  --content-width: 940px;
  --content-width-wide: 1200px;
  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--color-text);
  background: var(--color-background);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 20px;
}

img,
svg,
video {
  max-width: 100%;
}

img {
  display: inline-block;
  height: auto;
  vertical-align: middle;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

/* Shared layout and type */

.site-container {
  width: 100%;
  max-width: var(--content-width);
  margin-right: auto;
  margin-left: auto;
  padding-top: 16px;
  padding-bottom: 16px;
}

.section-title {
  margin: 0 0 32px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 4rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.035em;
  text-align: center;
}

.section-copy {
  width: min(100%, 500px);
  margin: 0 auto 32px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: center;
}

.button-primary,
.button-large,
.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 3px;
  color: var(--color-text);
  background: var(--bb-red);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: filter 300ms ease, box-shadow 300ms ease;
}

.button-primary {
  padding: 12px 24px;
}

.button-large {
  padding: 32px 48px;
}

.button-primary:hover,
.button-primary:focus-visible,
.button-large:hover,
.button-large:focus-visible,
.hero-button:hover,
.hero-button:focus-visible {
  filter: brightness(1.08);
}

.button-primary:focus-visible,
.button-large:focus-visible,
.hero-button:focus-visible,
.text-link:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.text-link {
  color: var(--bb-red);
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

[data-nav-section] {
  scroll-margin-top: var(--site-header-height);
}

/* Header and navigation */

.navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  min-height: var(--site-header-height);
  overflow: visible;
  isolation: isolate;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 0;
  background: rgba(3, 3, 4, 0.9);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.navbar::before {
  content: none;
}

.navbar::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  z-index: 1;
  height: 16px;
  pointer-events: none;
  background-image: url("../images/blackbriar_thorns_seperator.svg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  opacity: 0.58;
}

.dev-nav-shell {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: none;
  min-height: var(--site-header-height);
  padding: 8px 36px;
}

.dev-desktop-nav {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) auto minmax(300px, 1fr);
  gap: 26px;
  align-items: stretch;
  width: 100%;
  min-height: 59px;
}

.dev-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.dev-nav-left {
  justify-content: flex-end;
}

.dev-nav-right {
  justify-content: flex-start;
  padding-right: 150px;
}

.dev-logo-link {
  position: relative;
  display: flex;
  align-self: stretch;
  align-items: center;
  margin: 0;
  padding: 0 48px;
  overflow: hidden;
  isolation: isolate;
  border-radius: 0;
  background: transparent;
  transition: filter 900ms var(--ease-cinematic);
}

.dev-logo-link::before,
.dev-logo-link::after {
  content: none;
}

.dev-logo-link:hover {
  filter: brightness(1.08) drop-shadow(0 0 14px rgba(255, 255, 255, 0.14));
}

.dev-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: auto;
  height: 39px;
  margin: 0;
}

.navbar .nav-link,
.navbar .nav-link:link,
.navbar .nav-link:visited {
  position: relative;
  margin: 0;
  padding: 10px 0 12px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.05);
  text-transform: uppercase;
  transition:
    color 760ms var(--ease-cinematic),
    text-shadow 760ms var(--ease-cinematic),
    opacity 760ms var(--ease-cinematic);
}

.navbar .nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: calc(100% + 10px);
  height: 1px;
  opacity: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(var(--bb-red-rgb), 0.78) 14%,
    var(--bb-red) 50%,
    rgba(var(--bb-red-rgb), 0.78) 86%,
    transparent 100%
  );
  transform: translateX(-50%) scaleX(0.03);
  transform-origin: center;
  transition: transform 980ms var(--ease-cinematic), opacity 760ms var(--ease-cinematic);
}

.navbar .nav-link:hover,
.navbar .nav-link:focus-visible,
.navbar .nav-link.is-current {
  color: var(--bb-red);
  text-shadow: 0 0 18px rgba(var(--bb-red-rgb), 0.34), 0 0 34px rgba(var(--bb-red-rgb), 0.12);
}

.navbar .nav-link:hover::after,
.navbar .nav-link:focus-visible::after,
.navbar .nav-link.is-current::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

.navbar .nav-link:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.72);
  outline-offset: 4px;
}

.navbar .nav-social-links {
  position: absolute;
  top: 50%;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 11px;
  margin-left: 0;
  transform: translateY(-50%);
}

.navbar .nav-social-link,
.navbar .nav-social-link:link,
.navbar .nav-social-link:visited {
  display: inline-flex;
  padding: 5px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 24px;
  line-height: 1;
  text-decoration: none;
  transition:
    color 460ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 460ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 460ms cubic-bezier(0.22, 1, 0.36, 1);
}

.navbar .nav-social-link:hover,
.navbar .nav-social-link:focus-visible {
  color: var(--bb-red);
  border-radius: 999px;
  background-color: rgba(var(--bb-red-rgb), 0.1);
  transform: translateY(-1px);
}

.navbar .nav-social-link:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.72);
  outline-offset: 2px;
}

.navbar .nav-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  color: currentColor;
  font-size: 20px;
}

.navbar .nav-social-icon svg {
  display: block;
  height: 1em;
}

.menu-button {
  display: none;
  place-items: center;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  margin: 0 0 0 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  transition: color 320ms ease, background-color 320ms ease;
}

.menu-button:hover,
.menu-button:focus-visible,
.menu-button[aria-expanded="true"] {
  color: var(--bb-red);
  background: rgba(255, 255, 255, 0.06);
}

.menu-button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.menu-button-lines {
  display: grid;
  gap: 5px;
  width: 23px;
}

.menu-button-lines > span {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform-origin: center;
  transition: transform 420ms var(--ease-cinematic), opacity 240ms ease;
}

.menu-button[aria-expanded="true"] .menu-button-lines > span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-button-lines > span:nth-child(2) {
  opacity: 0;
}

.menu-button[aria-expanded="true"] .menu-button-lines > span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.navbar .dev-mobile-menu {
  display: none;
}

.mobile-nav-socials {
  display: none;
}

/* Footer */

.site-footer {
  position: relative;
  padding: clamp(72px, 8vw, 112px) 32px 34px;
  color: #fff;
  background: #030304;
}

.site-footer-shell {
  width: min(100%, 1280px);
  margin: 0 auto;
}

.site-footer-primary {
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(460px, 1.2fr);
  gap: clamp(70px, 9vw, 150px);
  align-items: start;
}

.site-footer-identity {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.site-footer-logo-link {
  display: inline-flex;
  padding: 0;
  transition: opacity 400ms ease;
}

.site-footer-logo-link:hover {
  opacity: 0.7;
}

.site-footer-logo {
  width: clamp(190px, 19vw, 260px);
  height: auto;
}

.site-footer-contacts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(42px, 6vw, 88px);
}

.site-footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.site-footer-label {
  margin: 0 0 25px;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.site-footer-contact strong {
  margin-bottom: 9px;
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
}

.site-footer-contact a,
.site-footer-contact a:link,
.site-footer-contact a:visited,
.site-footer-privacy,
.site-footer-bottom a,
.site-footer-bottom a:link,
.site-footer-bottom a:visited {
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.7;
  text-decoration: none;
  transition: color 350ms ease;
}

.site-footer-contact a:hover,
.site-footer-contact a:focus-visible,
.site-footer-privacy:hover,
.site-footer-privacy:focus-visible,
.site-footer-bottom a:hover,
.site-footer-bottom a:focus-visible {
  color: var(--bb-red);
}

.site-footer-contact .site-footer-agency,
.site-footer-contact .site-footer-agency:link,
.site-footer-contact .site-footer-agency:visited {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.86);
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer-partners {
  margin-top: clamp(68px, 7vw, 96px);
}

.site-footer-logos {
  display: grid;
  grid-template-columns:
    minmax(0, 124fr)
    minmax(0, 84fr)
    minmax(0, 88fr)
    minmax(0, 58fr)
    minmax(0, 128fr)
    minmax(0, 106fr)
    minmax(0, 128fr)
    minmax(0, 74fr)
    minmax(0, 92fr)
    minmax(0, 124fr)
    minmax(0, 62fr);
  gap: clamp(10px, 1.1vw, 21px);
  align-items: center;
  width: 100%;
}

.site-footer-logo-item {
  --footer-logo-width: 92px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  height: 44px;
  opacity: 0.64;
  transition: opacity 400ms ease, transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.site-footer-logo-item:hover,
a.site-footer-logo-item:focus-visible {
  opacity: 1;
  transform: translateY(-2px);
}

a.site-footer-logo-item:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.72);
  outline-offset: 7px;
}

.site-footer-logo-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1) brightness(0) invert(1);
}

.site-footer-logo-item[data-footer-brand="sennheiser"] { --footer-logo-width: 124px; }
.site-footer-logo-item[data-footer-brand="ears4u"] { --footer-logo-width: 84px; }
.site-footer-logo-item[data-footer-brand="tama"] { --footer-logo-width: 88px; }
.site-footer-logo-item[data-footer-brand="sabian"] { --footer-logo-width: 58px; }
.site-footer-logo-item[data-footer-brand="porter-davies"] { --footer-logo-width: 128px; }
.site-footer-logo-item[data-footer-brand="pro-mark"] { --footer-logo-width: 106px; }
.site-footer-logo-item[data-footer-brand="lignator"] { --footer-logo-width: 128px; }
.site-footer-logo-item[data-footer-brand="dunlop"] { --footer-logo-width: 74px; }
.site-footer-logo-item[data-footer-brand="roland"] { --footer-logo-width: 92px; }
.site-footer-logo-item[data-footer-brand="projectsam"] { --footer-logo-width: 124px; }
.site-footer-logo-item[data-footer-brand="solemn-tones"] { --footer-logo-width: 62px; }

.site-footer-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  width: 100%;
  margin-top: clamp(76px, 7vw, 96px);
  padding-top: clamp(22px, 2vw, 30px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 300;
  line-height: 1.6;
}

.site-footer-bottom a {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  justify-self: end;
  min-height: 44px;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer-bottom-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}

.site-footer-privacy {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0;
  border: 0;
  color: rgba(255, 255, 255, 0.62);
  background: transparent;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer-privacy:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

@media screen and (min-width: 1440px) {
  .site-container {
    max-width: var(--content-width-wide);
  }
}

@media screen and (max-width: 1600px) and (min-width: 1191px) {
  .dev-nav-links { gap: 22px; }
  .navbar .nav-link { font-size: 0.9rem; letter-spacing: 0.12em; }
  .navbar .nav-social-links { gap: 7px; }
  .navbar .nav-social-link { padding: 4px; }
}

@media screen and (max-width: 1180px) {
  .dev-nav-shell { padding-right: 22px; padding-left: 22px; }
  .dev-desktop-nav { grid-template-columns: minmax(250px, 1fr) auto minmax(250px, 1fr); gap: 18px; }
  .dev-nav-links { gap: 18px; }
  .dev-nav-right { padding-right: 130px; }
  .navbar .nav-link { font-size: 0.9rem; letter-spacing: 0.12em; }
  .dev-logo-link { padding-right: 34px; padding-left: 34px; }
}

@media screen and (max-width: 1399px) and (min-width: 992px) {
  .dev-nav-right { padding-right: 0; }
  .navbar .nav-social-links { display: none; }
}

@media screen and (max-width: 991px) {
  .site-container { max-width: 728px; }
  .section-title { font-size: 3rem; }

  [data-nav-section] {
    scroll-margin-top: var(--site-header-height-mobile);
  }

  .navbar {
    min-height: var(--site-header-height-mobile);
    overflow: visible;
  }

  .navbar::after {
    bottom: -5px;
    height: 12px;
    background-size: 1200px 100%;
  }

  .dev-nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--site-header-height-mobile);
    padding-top: calc(8px + var(--safe-area-top));
    padding-right: max(14px, var(--safe-area-right));
    padding-bottom: 8px;
    padding-left: max(14px, var(--safe-area-left));
  }

  .dev-desktop-nav {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: space-between;
    min-height: 53px;
  }

  .dev-nav-links { display: none; }
  .dev-logo { height: 36px; }

  .navbar .nav-social-links { display: none; }

  .menu-button { display: grid; }

  .navbar .dev-mobile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: block;
    width: 100%;
    max-height: 0;
    margin: 0;
    padding: 0 24px;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    border-top: 0;
    background: rgba(3, 3, 4, 0.985);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
    transform: translateY(-12px);
    transition:
      max-height 620ms var(--ease-cinematic),
      padding 620ms var(--ease-cinematic),
      opacity 360ms ease,
      transform 620ms var(--ease-cinematic),
      visibility 0s linear 620ms;
  }

  .navbar .dev-mobile-menu.is-open {
    max-height: calc(100vh - var(--site-header-height-mobile));
    max-height: calc(100dvh - var(--site-header-height-mobile));
    padding: 16px max(24px, var(--safe-area-right)) calc(20px + var(--safe-area-bottom)) max(24px, var(--safe-area-left));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .dev-mobile-menu .nav-link,
  .dev-mobile-menu .nav-link:link,
  .dev-mobile-menu .nav-link:visited {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 0;
    text-align: center;
  }

  .dev-mobile-menu .nav-link::after { content: none; }

  .mobile-nav-socials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    margin-top: 10px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .mobile-nav-social-link,
  .mobile-nav-social-link:link,
  .mobile-nav-social-link:visited {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
  }

  .mobile-nav-social-link:hover,
  .mobile-nav-social-link:focus-visible {
    color: var(--bb-red);
    background: rgba(255, 255, 255, 0.06);
  }

  .mobile-nav-social-link:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  .mobile-nav-social-link svg {
    width: 18px;
    height: 18px;
  }
}

@media screen and (max-width: 850px) {
  .site-footer-primary { grid-template-columns: 1fr; gap: 58px; }
  .site-footer-identity { align-items: center; }
  .site-footer-partners { margin-top: 68px; }

  .site-footer-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    width: min(100%, 800px);
    margin: 0 auto;
  }

  .site-footer-logo-item { width: var(--footer-logo-width); }
}

@media screen and (max-width: 767px) {
  .site-container { padding-right: 16px; padding-left: 16px; }
}

@media screen and (max-width: 640px) {
  .navbar .nav-social-links { display: none; }
  .dev-logo-link { padding: 0 20px; }
  .dev-logo { height: 32px; }
}

@media screen and (max-width: 600px) {
  .button-large {
    min-height: 56px;
    padding: 18px 24px;
    font-size: 0.9rem;
  }

  .site-footer {
    padding: 68px max(20px, var(--safe-area-right)) calc(28px + var(--safe-area-bottom)) max(20px, var(--safe-area-left));
  }
  .site-footer-logo { width: 190px; }
  .site-footer-contacts { grid-template-columns: 1fr; gap: 46px; }
  .site-footer-label { margin-bottom: 18px; }
  .site-footer-logos { gap: 22px 18px; width: min(100%, 340px); }
  .site-footer-logo-item { width: calc(var(--footer-logo-width) * 0.8); height: 38px; }
  .site-footer-bottom { grid-template-columns: 1fr; gap: 16px; margin-top: 58px; padding-top: 22px; }
  .site-footer-bottom-actions {
    justify-content: space-between;
    justify-self: stretch;
    width: 100%;
  }

  .site-footer-contact a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .menu-button-lines > span,
  .navbar .dev-mobile-menu { transition-duration: 0.01ms; }
}

@media (forced-colors: active) {
  .navbar::after {
    height: 1px;
    bottom: -1px;
    background: CanvasText;
    filter: none;
    opacity: 1;
  }
}