/* ============================================================
   TYEE OUTDOORS — WHITE HEADER VARIANT
   Design system tokens
   ============================================================ */
:root {
  --font-heading:  'Poppins', system-ui, sans-serif;
  --font-body:     'Poppins', system-ui, sans-serif;

  /* Header */
  --header-height-desktop: 15vh;
  --header-height-tablet:  11vh;
  --header-height-mobile:  60px;
  --header-bg:             #ffffff;
  --header-border:         #e8e8e8;

  /* Logo within header — 25% smaller than original */
  --logo-max-height-desktop: 83px;
  --logo-max-height-tablet:  54px;
  --logo-max-height-mobile:  30px;

  /* Footer bar */
  --footer-height-desktop: 15vh;
  --footer-height-tablet:  11vh;
  --footer-height-mobile:  90px;
  --footer-bg:             #000000;

  /* Overlay darkness per tile */
  --overlay-default: rgba(0, 0, 0, 0.45);
  --overlay-hover:   rgba(0, 0, 0, 0.25);

  /* Icon ring */
  --icon-size: 90px;

  /* Typography */
  --title-size:       clamp(1.4rem, 1.8vw, 2rem);
  --copy-size:        clamp(0.78rem, 1vw, 0.92rem);
  --copy-line-height: 1.65;

  /* Transitions */
  --trans-speed: 0.45s;
  --trans-ease:  cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  background: #000;
  color: #fff;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   SITE HEADER — white banner, 20vh desktop
   ============================================================ */
.site-header {
  flex: 0 0 var(--header-height-desktop);
  height: var(--header-height-desktop);
  background: var(--header-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--header-border);
}

.header-logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  height: 100%;
}

.logo-img {
  max-height: var(--logo-max-height-desktop);
  max-width: 340px;
  width: auto;
  object-fit: contain;
  display: block;
  /* No filter — logo renders in its natural colours on white */
}

/* Text fallback */
.logo-text-fallback {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}

.logo-text-primary {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #111;
  line-height: 1;
  text-transform: uppercase;
}

.logo-text-secondary {
  font-family: var(--font-body);
  font-size: clamp(0.55rem, 1vw, 0.75rem);
  font-weight: 400;
  letter-spacing: 0.45em;
  color: #555;
  text-transform: uppercase;
}

/* ============================================================
   DEPARTMENTS GRID — fills remaining viewport between header and footer
   ============================================================ */
.departments-grid {
  flex: 1 1 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 0;
}

/* ============================================================
   SITE FOOTER — black bar, same height as header
   Add content inside .footer-inner
   ============================================================ */
.site-footer {
  flex: 0 0 var(--footer-height-desktop);
  height: var(--footer-height-desktop);
  background: var(--footer-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  color: #ffffff;
  font-size: clamp(0.75rem, 1.1vw, 0.92rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-item {
  text-align: center;
  color: #ffffff;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.25s ease;
  padding: 0 1rem;
}

.footer-email {
  opacity: 0.85;
}

.footer-email:hover {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   DEPARTMENT TILE
   ============================================================ */
.dept-tile {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  cursor: pointer;
  outline: none;
}

.dept-tile:focus-visible::after {
  content: '';
  position: absolute;
  inset: 0;
  outline: 3px solid rgba(255,255,255,0.8);
  outline-offset: -3px;
  z-index: 10;
  pointer-events: none;
}

.tile-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.0);
  transition: transform var(--trans-speed) var(--trans-ease);
  will-change: transform;
}

.tile-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-default);
  transition: background var(--trans-speed) var(--trans-ease);
}

.tile-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1.25rem;
  gap: 0.75rem;
  transform: translateY(0);
  transition: transform var(--trans-speed) var(--trans-ease);
}

/* ============================================================
   ICON CIRCLE
   ============================================================ */
.tile-icon {
  width: var(--icon-size);
  height: var(--icon-size);
  border: 1.8px solid rgba(255, 255, 255, 0.90);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--trans-speed) var(--trans-ease),
              transform var(--trans-speed) var(--trans-ease);
}

.tile-icon svg {
  width: 44px;
  height: 44px;
  color: #fff;
}

/* ============================================================
   TILE TYPOGRAPHY
   ============================================================ */
.tile-title {
  font-family: var(--font-heading);
  font-size: var(--title-size);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.tile-copy {
  font-size: var(--copy-size);
  font-weight: 300;
  line-height: var(--copy-line-height);
  max-width: 22ch;
  opacity: 0.88;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}

/* ============================================================
   HOVER EFFECTS (pointer devices only)
   ============================================================ */
@media (hover: hover) {
  .dept-tile:hover .tile-bg      { transform: scale(1.06); }
  .dept-tile:hover .tile-overlay { background: var(--overlay-hover); }
  .dept-tile:hover .tile-content { transform: translateY(-6px); }
  .dept-tile:hover .tile-icon    { border-color: #fff; transform: scale(1.08); }
}

/* Touch active feedback — visible tap response on mobile */
.dept-tile:active .tile-overlay {
  background: rgba(0, 0, 0, 0.20);
}

.dept-tile:active .tile-bg {
  transform: scale(1.03);
}

/* ============================================================
   TABLET — ≤ 1024px
   ============================================================ */
@media (max-width: 1024px) {
  html, body { overflow: auto; }

  .site-header {
    flex: 0 0 var(--header-height-tablet);
    height: var(--header-height-tablet);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 0.75rem 1.5rem;
  }

  .logo-img { max-height: var(--logo-max-height-tablet); }

  .departments-grid {
    flex: none;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 50vw);
    min-height: 0;
  }

  .site-footer {
    flex: 0 0 var(--footer-height-tablet);
    height: var(--footer-height-tablet);
  }

  :root { --icon-size: 76px; }
}

/* ============================================================
   MOBILE — ≤ 600px
   ============================================================ */
@media (max-width: 600px) {
  html, body { overflow: auto; }

  .site-header {
    flex: none;
    height: var(--header-height-mobile);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0.5rem 1.25rem;
    border-bottom: 1px solid var(--header-border);
  }

  .logo-img { max-height: var(--logo-max-height-mobile); }

  .departments-grid {
    margin-top: var(--header-height-mobile);
    flex: none;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 70vw);
    min-height: 0;
  }

  .site-footer {
    flex: none;
    height: var(--footer-height-mobile);
    padding: 0 1.25rem;
  }

  /* Stacked centered footer on mobile */
  .site-footer .footer-inner {
    font-size: 0.7rem;
    letter-spacing: 0.06em;
  }

  :root {
    --icon-size: 68px;
    --title-size: 1.8rem;
    --copy-size: 0.88rem;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .tile-bg,
  .tile-overlay,
  .tile-content,
  .tile-icon { transition: none; }
}