/* ============================================================
   KATTA – Premium Men's Wears | Vanilla CSS Design System
   Black & White Monochrome Aesthetic
   ============================================================ */

/* --- Google Fonts (loaded in header) --- */
/* Outfit: sans-serif | Playfair Display: serif */

/* ---- CSS Variables ---- */
:root {
  --black:      #000000;
  --white:      #ffffff;
  --gray-50:    #fafafa;
  --gray-100:   #f5f5f5;
  --gray-200:   #e5e5e5;
  --gray-300:   #d4d4d4;
  --gray-400:   #a3a3a3;
  --gray-500:   #737373;
  --gray-600:   #525252;
  --gray-700:   #404040;
  --gray-800:   #262626;
  --gray-900:   #171717;

  --font-sans:   'Outfit', system-ui, sans-serif;
  --font-serif:  'Playfair Display', Georgia, serif;

  --transition:  all 0.3s ease;
  --transition-slow: all 0.7s ease;
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.15);
  --shadow-xl:   0 30px 80px rgba(0,0,0,0.25);

  --max-width:   1280px;
  --navbar-h:    68px;
}

/* ---- Reset ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

::selection { background: var(--black); color: var(--white); }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 640px)  { .container { padding: 0 2rem; } }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--navbar-h);
  gap: 1rem;
}

/* Brand */
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.navbar__brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 900;
  width: 28px;
  height: 22px;
  letter-spacing: 0.05em;
}
.navbar__brand-name { color: var(--black); }
.navbar__brand-name em {
  font-style: normal;
  font-weight: 300;
  color: var(--gray-500);
  margin-left: 0.25rem;
}

/* Desktop Nav */
.navbar__nav {
  display: none;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 768px) {
  .navbar__nav { display: flex; }
}
.navbar__link {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--black);
  transition: width 0.3s ease;
}
.navbar__link:hover,
.navbar__link--active { color: var(--black); }
.navbar__link:hover::after,
.navbar__link--active::after { width: 100%; }

/* Cart Button */
.navbar__cart {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  padding: 0.5rem;
  transition: var(--transition);
}
.navbar__cart:hover { color: var(--black); }
.navbar__cart-badge {
  position: absolute;
  top: 0; right: 0;
  background: var(--black);
  color: var(--white);
  font-size: 0.55rem;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.navbar__cart-badge--hidden { opacity: 0; transform: scale(0.5); }

/* Mobile Toggle */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.4rem;
}
@media (min-width: 768px) { .navbar__toggle { display: none; } }
.navbar__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--black);
  transition: var(--transition);
}
.navbar__toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.active span:nth-child(2) { opacity: 0; }
.navbar__toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav (overlay drawer) */
@media (max-width: 767px) {
  .navbar__nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: fixed;
    top: var(--navbar-h); left: 0;
    width: 80%; max-width: 300px;
    height: calc(100vh - var(--navbar-h));
    background: var(--white);
    border-right: 1px solid var(--gray-100);
    padding: 2rem 1.5rem;
    transform: translateX(-100%);
    transition: transform 0.35s ease;
    z-index: 200;
  }
  .navbar__nav.open { transform: translateX(0); }
  .navbar__link {
    font-size: 0.75rem;
    padding: 0.75rem 0;
    width: 100%;
    border-bottom: 1px solid var(--gray-100);
  }
  .navbar__link::after { display: none; }
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 150;
}
.mobile-overlay.open { display: block; }

/* ============================================================
   FLASH MESSAGE
   ============================================================ */
.flash-msg {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  background: var(--black);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.9rem 1.5rem;
  max-width: 360px;
  border-left: 3px solid var(--white);
  animation: slideInUp 0.35s cubic-bezier(0.16,1,0.3,1) forwards;
}

@keyframes slideInUp {
  from { transform: translateY(1.5rem); opacity: 0; }
  to   { transform: translateY(0);      opacity: 1; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.9rem 1.75rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.btn--primary:hover {
  background: var(--white);
  color: var(--black);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn--outline-dark {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn--outline-dark:hover {
  background: var(--black);
  color: var(--white);
}
.btn--full { width: 100%; }
.btn:disabled {
  background: var(--gray-400);
  border-color: var(--gray-400);
  cursor: not-allowed;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 85vh;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  filter: grayscale(1);
  mix-blend-mode: luminosity;
}
.hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 60%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.hero__label {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(4px);
  color: var(--white);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  margin-bottom: 1.5rem;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--gray-300);
}
.hero__desc {
  font-size: 0.875rem;
  color: var(--gray-300);
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 2rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================================
   PHILOSOPHY / EDITORIAL BLOCK
   ============================================================ */
.philosophy {
  padding: 5rem 0;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}
.philosophy__inner {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}
.philosophy__label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1rem;
}
.philosophy__quote {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--black);
  line-height: 1.7;
}
.philosophy__divider {
  width: 40px;
  height: 1px;
  background: var(--black);
  margin: 1.5rem auto 0;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--black);
  margin-bottom: 0.5rem;
}
.section-header__sub {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gray-500);
}

/* ============================================================
   CATEGORIES GRID
   ============================================================ */
.categories { padding: 6rem 0; }

.categories__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 640px)  { .categories__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .categories__grid { grid-template-columns: repeat(4, 1fr); } }

.category-card {
  position: relative;
  display: block;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.category-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 0.7s ease, filter 0.5s ease;
}
.category-card:hover .category-card__img {
  transform: scale(1.06);
  filter: grayscale(0);
}
.category-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.15) 60%, transparent 100%);
}
.category-card__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
}
.category-card__num {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.category-card__name {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-top: 0.25rem;
}
.category-card__desc {
  font-size: 0.65rem;
  color: var(--gray-300);
  line-height: 1.6;
  margin-top: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.category-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-top: 1rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.category-card:hover .category-card__cta {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   PRODUCTS GRID (Featured + Collection page)
   ============================================================ */
.products-section {
  padding: 6rem 0;
  border-top: 1px solid var(--gray-100);
  background: rgba(250,250,250,0.5);
}
.products-section--white { background: var(--white); }

.products-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 4rem;
}
.products-header__view-all {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  padding-bottom: 2px;
  transition: var(--transition);
}
.products-header__view-all:hover {
  color: var(--gray-500);
  border-color: var(--gray-500);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 640px)  { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .products-grid { grid-template-columns: repeat(4, 1fr); } }

/* Product Card */
.product-card {
  display: flex;
  flex-direction: column;
}
.product-card__img-wrap {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--white);
  margin-bottom: 1rem;
}
.product-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 0.7s ease, filter 0.5s ease;
}
.product-card:hover .product-card__img,
.product-card.touched .product-card__img {
  transform: scale(1.05);
  filter: grayscale(0);
}
.product-card__actions {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.product-card:hover .product-card__actions,
.product-card.touched .product-card__actions { opacity: 1; }
.product-card__action-btn {
  background: var(--white);
  color: var(--black);
  width: 42px; height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.product-card__action-btn:hover {
  background: var(--black);
  color: var(--white);
}

/* Wishlist toggle button */
.product-card__wish {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 5;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(4px);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  font-size: 1rem;
  line-height: 1;
  color: var(--gray-400);
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}
.product-card__wish:hover,
.product-card__wish.wishlisted {
  background: #fff;
  border-color: #e11d48;
  color: #e11d48;
  transform: scale(1.1);
}
.product-card__wish.wishlisted { color: #e11d48; }
.product-card__wish.wishlisted svg { fill: #e11d48; }
.product-card__wish svg { pointer-events: none; }

.product-card__cat {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.product-card__name {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  margin-top: 0.2rem;
  transition: color 0.2s ease;
}
.product-card:hover .product-card__name { color: var(--gray-600); }

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
}
.product-card__price {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--black);
}
.product-card__add {
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  border-bottom: 1px solid var(--black);
  padding-bottom: 1px;
  transition: var(--transition);
}
.product-card__add:hover {
  color: var(--gray-500);
  border-color: var(--gray-500);
}

/* ============================================================
   EDITORIAL / MONOCHROME COMMITMENT SECTION
   ============================================================ */
.editorial {
  background: var(--black);
  color: var(--white);
  padding: 6rem 0;
}
.editorial__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .editorial__grid {
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
  }
}
.editorial__img-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
  border: 1px solid var(--gray-800);
  filter: grayscale(1);
}
.editorial__img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.8;
}
.editorial__label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1rem;
}
.editorial__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.editorial__body {
  font-size: 0.75rem;
  color: var(--gray-400);
  line-height: 1.9;
  margin-bottom: 2rem;
}

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail {
  padding: 4rem 0 6rem;
}
.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .product-detail__grid { grid-template-columns: 1fr 1fr; }
}
.product-detail__img-wrap {
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.product-detail__img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.5s ease;
}
.product-detail__img-wrap:hover .product-detail__img { filter: grayscale(0); }

.product-detail__cat {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}
.product-detail__name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: 0.75rem;
}
.product-detail__price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 1.5rem;
}
.product-detail__desc {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 2rem;
}
.product-detail__divider {
  border: none;
  border-top: 1px solid var(--gray-100);
  margin: 1.5rem 0;
}

/* Size Selector */
.size-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 0.75rem;
}
.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.size-btn {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  width: 44px; height: 44px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  transition: var(--transition);
}
.size-btn:hover, .size-btn.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* Details list */
.product-detail__details-title {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 0.75rem;
}
.product-detail__details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.product-detail__details-list li {
  font-size: 0.75rem;
  color: var(--gray-500);
  padding-left: 1rem;
  position: relative;
}
.product-detail__details-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gray-300);
}

/* ============================================================
   CART PAGE
   ============================================================ */
.cart-page { padding: 4rem 0 6rem; }
.cart-page__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--gray-100);
  padding-bottom: 1.5rem;
}
.cart-page__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 1024px) {
  .cart-page__grid { grid-template-columns: 2fr 1fr; }
}

/* Cart Items */
.cart-items { display: flex; flex-direction: column; gap: 1.5rem; }
.cart-item {
  display: flex;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--gray-100);
}
.cart-item__img-wrap {
  flex-shrink: 0;
  width: 80px; height: 100px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.cart-item__img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.cart-item__info { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.cart-item__name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cart-item__size {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  margin-top: 0.25rem;
}
.cart-item__price {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--black);
}
.cart-item__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
}
.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-200);
  background: var(--gray-50);
}
.qty-btn {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-600);
  transition: var(--transition);
  font-size: 1rem;
}
.qty-btn:hover { background: var(--gray-200); }
.qty-num {
  width: 36px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--black);
}
.cart-item__remove {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--gray-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition);
}
.cart-item__remove:hover { color: #dc2626; }

/* Cart Summary */
.cart-summary {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 1.75rem;
}
.cart-summary__title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 1.25rem;
}
.cart-summary__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-bottom: 0.75rem;
}
.cart-summary__total {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-200);
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}
.cart-empty {
  text-align: center;
  padding: 5rem 0;
}
.cart-empty__icon {
  font-size: 4rem;
  margin-bottom: 1.25rem;
  opacity: 0.15;
}
.cart-empty__msg {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

/* ============================================================
   CHECKOUT / SUCCESS PAGE
   ============================================================ */
.checkout-page, .success-page { padding: 4rem 0 6rem; }
.page-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 2rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 0.5rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  border: 1px solid var(--gray-200);
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.2s ease;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--black);
}
.form-input::placeholder { color: var(--gray-400); }

.success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

/* ============================================================
   COLLECTION PAGE FILTER
   ============================================================ */
.collection-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 3rem;
}
.filter-btn {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  background: var(--white);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--black);
  color: var(--white);
  border-top: 1px solid var(--gray-900);
  padding: 4rem 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--gray-800);
  margin-bottom: 2rem;
}
@media (min-width: 768px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: repeat(4, 1fr); } }

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.footer__brand-badge {
  background: var(--white);
  color: var(--black);
  font-size: 0.7rem;
  font-weight: 900;
  width: 26px; height: 20px;
  display: flex; align-items: center; justify-content: center;
}
.footer__brand-name {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.footer__tagline {
  font-size: 0.7rem;
  color: var(--gray-400);
  line-height: 1.8;
}
.footer__heading {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-300);
  margin-bottom: 1rem;
}
.footer__links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__links a {
  font-size: 0.7rem;
  color: var(--gray-400);
  transition: color 0.2s ease;
}
.footer__links a:hover { color: var(--white); }

.footer__newsletter-text {
  font-size: 0.7rem;
  color: var(--gray-400);
  margin-bottom: 1rem;
}
.footer__newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer__newsletter-input {
  width: 100%;
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  color: var(--white);
  padding: 0.65rem 0.875rem;
  font-size: 0.7rem;
  outline: none;
  transition: border-color 0.2s ease;
}
.footer__newsletter-input:focus { border-color: var(--gray-400); }
.footer__newsletter-input::placeholder { color: var(--gray-600); }
.footer__newsletter-btn {
  background: var(--white);
  color: var(--black);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.65rem;
  transition: var(--transition);
}
.footer__newsletter-btn:hover {
  background: var(--gray-200);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.6rem;
  color: var(--gray-500);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a { transition: color 0.2s ease; }
.footer__legal a:hover { color: var(--gray-300); }

/* ============================================================
   PAGE BREADCRUMB
   ============================================================ */
.breadcrumb {
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}
.breadcrumb__inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.breadcrumb__inner a { transition: color 0.2s ease; }
.breadcrumb__inner a:hover { color: var(--black); }
.breadcrumb__sep { color: var(--gray-300); }
.breadcrumb__current { color: var(--black); }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .product-detail__name { font-size: 1.35rem; }
}

/* Visibility Helper Classes for Header Actions */
@media (max-width: 767px) {
  .nav-action-desktop { display: none !important; }
  .nav-action-mobile { display: block !important; }
}
@media (min-width: 768px) {
  .nav-action-mobile { display: none !important; }
}