:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --accent-color: #ffd700;
  --price-color: #fff4b2;
  --font-family: 'Montserrat', sans-serif;
  --heading-font: 'Playfair Display', serif;
  --overlay-color: #000000;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.5s, color 0.5s;
}

.dark-theme {
  --bg-color: #000000;
  --text-color: #ffffff;
  --accent-color: #ffd700;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  box-sizing: border-box;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--accent-color);
  transform: translateY(0);
  transition: transform 0.3s;
  z-index: 1200;
}

nav.nav-hidden {
  transform: translateY(-100%);
}

.dark-theme nav {
  background-color: rgba(0, 0, 0, 0.8);
}

#menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1300;
  transition: opacity 0.3s ease;
}

#nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 1100;
}

#nav-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--text-color);
  margin: 4px 0;
  transition: opacity 0.3s ease;
}

#menu-toggle.open span {
  opacity: 0;
  visibility: hidden;
  transform: scaleX(0);
}

nav a {
  color: var(--text-color);
  margin-right: 1rem;
  text-decoration: none;
  font-weight: 700;
  position: relative;
  transition: color 0.3s, transform 0.3s;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s;
}

nav a:hover {
  transform: translateY(-2px);
  color: var(--accent-color);
}

nav a:hover::after {
  width: 100%;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.nav-links {
  flex: 1;
  text-align: center;
}

.language-dropdown {
  position: relative;
}

#language-select {
  position: absolute;
  top: 100%;
  right: 0;
  padding: 0.3rem 0.5rem;
  background-color: var(--accent-color);
  color: #000000;
  border: none;
  cursor: pointer;
  font-weight: 700;
}

#language-toggle,
#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text-color);
}

.hidden {
  display: none;
}

.logo {
  font-size: 1.5rem;
  font-family: var(--heading-font);
  color: var(--accent-color);
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
  background-color: var(--bg-color);
}

.hero-image {
  max-width: 100%;
  height: auto;
  margin-bottom: 2rem;
}

.product {
  border: 1px solid var(--accent-color);
  padding: 1rem;
  margin: 0;
  transition: transform 0.3s, box-shadow 0.3s;
  background-color: var(--bg-color);
}

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  margin-bottom: 1rem;
}

/* Shift KH888 driver image slightly further left for better framing */
.product-image[src="DRIVERS/KH888/KH888.jpg"] {
  object-position: 60% center;
}

.product:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

main {
  padding: 2rem;
  margin-top: 80px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.product-grid.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.product-grid.grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 200;
}

.categories {
  display: flex;
  gap: 0.5rem;
  position: relative;
}

.categories.categories--stack-accessories {
  flex-wrap: wrap;
}

.categories.categories--stack-accessories .category-btn[data-category="accessories"] {
  flex-basis: 100%;
}

#club-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-color);
  border: 1px solid var(--accent-color);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 100;
}

#club-dropdown.hidden {
  display: none;
}

.category-btn,
.club-btn {
  background: var(--accent-color);
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.3s;
}

.category-btn:hover,
.club-btn:hover {
  transform: translateY(-2px);
}

.price {
  font-weight: 700;
  color: var(--accent-color);
}

.story p {
  white-space: pre-line;
  line-height: 1.6;
}

.story-content {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.story-content .ken-portrait {
  width: 150px;
  height: auto;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .story-content {
    flex-direction: column;
    align-items: center;
  }
}

h1, h2 {
  font-family: var(--heading-font);
  color: var(--text-color);
}

.overlay h2 {
  color: var(--overlay-color);
}

.btn-primary {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--accent-color);
  color: #000000;
  text-decoration: none;
  font-weight: 700;
  border-radius: 4px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.animate {
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.js .animate {
  opacity: 0;
  transform: translateY(20px);
}

.js .animate.show {
  opacity: 1;
  transform: translateY(0);
}

/* Carousel Styles */
.carousel {
  width: 100%;
  overflow: hidden;
  margin-bottom: 8rem;
}

.image-wrapper {
  display: flex;
}

.image-item {
  flex: 1 1 33.333%;
  position: relative;
  overflow: hidden;
  height: 80vh;
}

.image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(0);
  transition: transform 0.75s ease-in-out;
  will-change: transform;
}

.image-item img.next {
  transform: translateX(100%);
}

.image-item img.slide-out-left {
  transform: translateX(-100%);
}

.image-item img.slide-in-right {
  transform: translateX(0);
}

.overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--overlay-color);
  text-align: center;
  z-index: 1;
}

.overlay-link {
  color: var(--overlay-color);
  text-decoration: none;
  border-bottom: 1px solid var(--overlay-color);
  padding-bottom: 4px;
}


.product-intro {
  position: relative;
  height: 100vh;
  overflow: hidden;
  margin: 4rem -2rem 0 -2rem;
}

.product-intro img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#putter-intro img {
  object-position: 55% center;
}

@media (max-width: 600px) {
  #putter-intro img {
    object-position: 42% center;
  }

  #putter-intro .intro-content p {
    color: #000000;
  }
}

.intro-content {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: #000;
}

#putter-intro .intro-content {
  bottom: 20%;
  left: 49%;
}

@media (max-width: 600px) {
  #putter-intro .intro-content {
    top: 18%;
    bottom: auto;
  }

  .intro-btn {
    background: var(--accent-color);
    color: #000;
  }
}

.intro-content h2 {
  font-family: var(--heading-font);
  font-size: 2.5rem;
  margin: 0;
  color: #000;
}

.intro-content p {
  margin: 0.5rem 0 1.5rem;
  color: #000;
}

.intro-btn {
  padding: 0.75rem 2rem;
  border: 2px solid var(--accent-color);
  background: transparent;
  color: #000;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.3s, color 0.3s, transform 0.3s;
}

.intro-btn:hover {
  background: var(--accent-color);
  color: #000;
  transform: translateY(-3px);
}

/* Responsive styles for device-specific layouts */
@media (max-width: 600px) {
  #menu-toggle {
    display: flex;
    position: fixed;
    top: 1rem;
    left: 1rem;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.65);
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  #menu-toggle span {
    width: 60%;
    height: 3px;
    margin: 4px auto;
    background-color: #ffffff;
    border-radius: 2px;
  }

  #menu-toggle.open {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  #menu-toggle.open span {
    opacity: 0;
    visibility: hidden;
    transform: scaleX(0);
  }

  nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 250px;
    height: 100%;
    padding: 2rem 1rem;
    position: fixed;
    top: 0;
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  nav.open {
    display: flex;
    transform: translateX(0);
  }

  nav.nav-hidden {
    transform: translateX(-100%);
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 0.5rem;
    width: 100%;
  }

  .controls {
    margin-top: 0.5rem;
  }

  #language-select {
    position: static;
    width: 100%;
    margin-top: 0.5rem;
  }

  .overlay-link {
    white-space: nowrap;
    font-size: 0.9rem;
  }
}

body.device-phone .image-wrapper {
  display: block;
}

body.device-phone .image-item {
  flex: none;
  height: 100vh;
}

body.device-phone .image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.device-phone .image-item:not(.center-item) {
  display: none;
}

body.device-phone .product-grid.grid-4,
body.device-phone .product-grid.grid-5 {
  grid-template-columns: 1fr;
}

body.device-tablet .product-grid.grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

body.device-tablet .product-grid.grid-5 {
  grid-template-columns: repeat(3, 1fr);
}

body.device-desktop .product-grid.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

body.device-desktop .product-grid.grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

/* Modal styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 80%;
  overflow-y: auto;
  background: var(--bg-color);
  color: var(--text-color);
  padding: 1rem;
  border-radius: 8px;
  animation: popIn 0.3s ease;
}

.modal-image-container {
  position: relative;
}

.modal-image {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
  display: block;
  margin-bottom: 1rem;
}

.modal.closing {
  animation: fadeOut 0.3s ease forwards;
}

.modal-content.closing {
  animation: popOut 0.3s ease forwards;
}

.modal-info {
  padding: 0.5rem 0;
}

.modal-title {
  color: var(--accent-color);
}

.modal-price {
  font-weight: bold;
  color: var(--price-color);
}

.kh888-highlight {
  color: var(--accent-color);
  font-size: 2rem;
}

.modal-specs {
  margin-top: 1rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th {
  background-color: #007bff;
  color: #fff;
  text-align: left;
  padding: 0.5rem;
}

.spec-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid #ddd;
}

.spec-table td:first-child {
  font-weight: bold;
}

.modal-image-container .prev,
.modal-image-container .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.modal-image-container .prev {
  left: 0;
}

.modal-image-container .next {
  right: 0;
}

.modal-content .close {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes popOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

.fade {
  animation: fade 0.5s;
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

body.modal-open {
  overflow: hidden;
}