/* MEGATREND — store / product stylesheet
   Matches the locked landing design system: white, quiet, spaced caps,
   Inter 300/400/500 only, purple as hover/accent only. Self-contained
   (store.html and product.html do not load style.css). */

:root {
  --purple: #9933FF;
  --purple-hover: #7A29CC;
  --text: #111111;
  --grey-mid: #8A8A8A;
  --grey-light: #B5B5B5;
  --grey-pale: #C0C0C0;
  --hairline: #D9D9D9;
  --hairline-2: #E5E7EB;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: 'Inter', 'Helvetica Neue', sans-serif;
  font-weight: 300;
  background: #FFFFFF;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
a:hover { color: var(--purple); }

/* --- Header --- */
.store-header {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3rem 3.5rem;
  flex-shrink: 0;
}
.header-logo { width: 150px; display: block; }
/* Page name, centred inside the header bar between wordmark and INSTAGRAM */
.header-title {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
}
.top-right-link {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--grey-mid);
  white-space: nowrap;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 600px) {
  .store-header { padding: 2rem 1.5rem; }
  .header-logo { width: 112px; }
  .header-title { font-size: 9px; letter-spacing: 0.2em; }
}

/* --- Hamburger (mobile nav trigger) --- */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1000;
  flex-direction: column;
  gap: 5px;
}
.hamburger-btn span {
  display: block;
  width: 20px;
  height: 1px;
  background-color: var(--text);
  transition: all 0.3s ease;
}
.hamburger-btn.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger-btn.active span:nth-child(2) { opacity: 0; }
.hamburger-btn.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- Mobile menu overlay --- */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #FFFFFF;
  z-index: 900;
  display: flex;
  flex-direction: column;
  padding: 5rem 2rem;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-menu-overlay.active { transform: translateX(0); }
.close-menu {
  /* Redundant with the hamburger's active-state X (which now toggles) — kept in the DOM for script.js, hidden visually */
  display: none;
}
.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: right;
  padding-right: 1rem;
  margin-top: 2rem;
}
.mobile-nav-list a {
  display: block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 30px; /* tighter than before, taller than desktop's 18px for touch targets */
  text-transform: uppercase;
  color: var(--grey-mid);
}
.mobile-nav-list a:hover { color: var(--purple); }
.mobile-nav-list li.active a { color: var(--text); font-weight: 500; }

/* --- Layout --- */
.store-container {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0.5rem 3.5rem 4rem;
  display: flex;
  gap: 3.5rem;
  flex: 1;
}

/* --- Sidebar / category navigation --- */
.sidebar-nav {
  width: 170px;
  flex-shrink: 0;
  padding-top: 0.5rem;
}
.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nav-item { text-align: right; }
.nav-item a {
  display: block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 18px;
  text-transform: uppercase;
  color: var(--grey-mid);
  transition: color 0.15s ease;
}
.nav-item a:hover { color: var(--purple); }
.nav-item.active a { color: var(--text); font-weight: 500; }
.cart-link, .filter-link {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hairline-2);
}

/* --- Product gallery --- */
.product-gallery {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  align-content: start;
  gap: 3rem 2rem;
}
.product-item {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.product-item:hover { opacity: 0.65; }
.product-image-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #FFFFFF;
  border: 1px solid var(--hairline-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--grey-pale);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .store-container { padding: 0.5rem 2rem 3rem; }
}

@media (max-width: 768px) {
  .store-container {
    flex-direction: column;
    padding: 0.5rem 1.5rem 3rem;
    gap: 1.5rem;
  }
  .product-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .sidebar-nav { display: none !important; }

  .hamburger-btn {
    display: flex;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
  }
  .top-right-link { display: none; } /* header INSTAGRAM hidden on mobile — lives in footer */
}

/* --- Footer --- */
.site-footer {
  width: 100%;
  border-top: 1px solid var(--hairline-2);
  margin-top: auto;
}
.footer-links-flat {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2.25rem;
  padding: 2rem;
}
.footer-links-flat a {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grey-light);
}
.footer-links-flat a:hover { color: var(--purple); }

@media (max-width: 600px) {
  .footer-links-flat { gap: 0.75rem 1.5rem; padding: 1.5rem; }
}

/* --- Modal system (product.html: technical details / size chart) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-window {
  background-color: #FFFFFF;
  border: 1px solid var(--hairline);
  width: 90%;
  max-width: 480px;
  position: relative;
  transform: translateY(12px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.active .modal-window { transform: translateY(0); }
.modal-header {
  display: flex;
  justify-content: flex-end;
  padding: 1rem 1rem 0;
}
.close-btn {
  background: none;
  border: none;
  color: var(--grey-mid);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
}
.close-btn:hover { color: var(--purple); }
.modal-content-inner {
  padding: 0 2.5rem 2.5rem;
  max-height: 75vh;
  overflow-y: auto;
}
.modal-content-inner h3 {
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--text);
}
.modal-content-inner ul {
  list-style: none;
  font-weight: 300;
  font-size: 13px;
  color: var(--text);
}
.modal-content-inner ul li {
  margin-bottom: 0.6rem;
  display: flex;
  align-items: flex-start;
  line-height: 1.5;
}
.modal-content-inner ul li::before {
  content: "\2013";
  margin-right: 0.6rem;
  color: var(--grey-light);
}

/* Size table */
.size-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-weight: 300;
  font-size: 12px;
}
.size-table th, .size-table td {
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--hairline-2);
}
.size-table th {
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 10px;
  color: var(--grey-mid);
  border-bottom: 1px solid var(--text);
}