/* Color Variables */
:root {
  --global-nav-color: rgba(22, 22, 23, 1);
  --global-nav-color-scrolled: rgba(22, 22, 23, 0.8);
  --global-nav-text-color: rgba(255, 255, 255, 0.8);
  --text-white: rgb(255, 255, 255);
  --text-black: rgb(0, 0, 0);
  --footer-text-color: rgba(0, 0, 0, 0.56);
  --footer-border-color: rgba(0, 0, 0, 0.16);
  --footer-link-color: rgba(0, 0, 0, 0.72);
  --primary-color: #0071e3;
  --light-color: #f5f5f7;
  --light-hover-color: #fff;
  --hover-color: #0077ed;
  --carousel-height: 665px;
  --side-scale: 0.98;
  --side-dim: 0.68;
  --anim-ease: cubic-bezier(0.85, 0.44, 0.54, 0.94);
  --anim-ms: 900ms;
  --active-gap: 12px;
}

/* SF Pro Display fonts */
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Black.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-BlackItalic.woff2") format("woff2");
  font-weight: 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-BoldItalic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Heavy.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-HeavyItalic.woff2") format("woff2");
  font-weight: 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-LightItalic.woff2") format("woff2");
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-MediumItalic.woff2") format("woff2");
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-RegularItalic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-SemiboldItalic.woff2") format("woff2");
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Thin.woff2") format("woff2");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-ThinItalic.woff2") format("woff2");
  font-weight: 200;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-Ultralight.woff2") format("woff2");
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Display";
  src: url("./assets/fonts/SF-Pro-Display-UltralightItalic.woff2") format("woff2");
  font-weight: 100;
  font-style: italic;
  font-display: swap;
}

/* SF Pro Rounded */
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Black.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Heavy.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Thin.woff2") format("woff2");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Rounded";
  src: url("./assets/fonts/SF-Pro-Rounded-Ultralight.woff2") format("woff2");
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

/* SF Pro Text */
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Black.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-BlackItalic.woff2") format("woff2");
  font-weight: 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-BoldItalic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Heavy.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-HeavyItalic.woff2") format("woff2");
  font-weight: 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-LightItalic.woff2") format("woff2");
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-MediumItalic.woff2") format("woff2");
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-RegularItalic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-SemiboldItalic.woff2") format("woff2");
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Thin.woff2") format("woff2");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-ThinItalic.woff2") format("woff2");
  font-weight: 200;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-Ultralight.woff2") format("woff2");
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "SF Pro Text";
  src: url("./assets/fonts/SF-Pro-Text-UltralightItalic.woff2") format("woff2");
  font-weight: 100;
  font-style: italic;
  font-display: swap;
}
/* general style */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

.container {
  max-width: 980px;
  margin: 0 auto;
}

.text-white {
  color: white;
}

/* button style */
.btn {
  font-size: 17px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.022em;
  border: 1px solid var(--primary-color);
  padding: 11px 21px;
  color: var(--text-white);
  border-radius: 980px;
  transition: all 0.5 ease-in-out;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
}

.btn-white {
  border: 1px solid transparent;
  background-color: var(--light-color);
  color: var(--text-black);
}

.btn-secondary-white {
  background-color: transparent;
  border-color: var(--light-color);
  color: var(--light-color);
}

.btn-white:hover {
  background-color: var(--light-hover-color);
}

.btn-primary:hover {
  background-color: var(--hover-color);
}

.btn-secondary:hover {
  background-color: var(--hover-color);
  color: var(--text-white);
}

/* header style */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--global-nav-color);
  backdrop-filter: blur(20px);
  z-index: 1000;
  animation-name: change-opacity-header;
  animation-timeline: scroll(root block);
  animation-range: 0 200px;
  animation-fill-mode: forwards;
}

@keyframes change-opacity-header {
  from {
    background-color: var(--global-nav-color);
  }
  to {
    background-color: var(--global-nav-color-scrolled);
  }
}

.navbar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 16px;
  font-size: 12px;
  letter-spacing: -0.01em;
  line-height: 1;
}

.nav-link,
.nav-logo {
  font-family: "SF Pro Text", "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 300;
  fill: var(--global-nav-text-color);
  text-decoration: none;
  color: var(--global-nav-text-color);
}

.icon-apple {
  width: 14px;
  height: 44px;
}

.icon-search {
  width: 15px;
  height: 44px;
}

/* The dropdown menu container */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 100%;
  padding-top: 40px;
  padding-left: 16px; /* Increased top padding */
  display: flex;
  gap: 80px; /* Adjusted gap between sections */
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 400ms ease, visibility 80ms ease, transform 200ms ease;
  transform: translateX(-50%) translateY(-10px);
}

.nav-link:hover,
.nav-logo:hover {
  color: #ffffff;
  fill: #ffffff;
  transition: all 400ms ease;
  cursor: pointer;
}

.dropdown-menu.active {
  visibility: visible;
  pointer-events: auto;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  transition-delay: 0.2s;
}

/* Styling for sections within the dropdown */
.dropdown-section {
  display: flex;
  flex-direction: column;
  gap: 6px; /* Reduced gap for tighter link spacing */
  white-space: nowrap;
}

/* Style for the grey heading text */
.dropdown-heading {
  font-size: 12px;
  color: #86868b;
  margin-bottom: 12px;
}

/* Style for the large, bold links */
.dropdown-link-large {
  font-size: 24px;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-weight: 600;
  color: #e8e8ed;
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 4px 0; /* Add padding for better hover area */
}
.dropdown-link-large:hover {
  color: #ffffff;
}

/* Style for the smaller, regular links */
.dropdown-link-small {
  font-size: 12px;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-weight: 500;
  color: #e8e8ed;
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 4px 0; /* Add padding for better hover area */
}
.dropdown-link-small:hover {
  color: #ffffff;
}

/* A simple span to create the vertical space in the first column */
.dropdown-spacer {
  height: 12px;
}

.nav-dropdown-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0; /* Hidden by default */
  background-color: var(--global-nav-color);
  z-index: -1; /* Place it behind the nav links */
  transition: height 400ms var(--anim-ease);
  opacity: 1;
}

.page-blur-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.1);
  z-index: 999;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  /*hide by default */
  visibility: hidden;
  opacity: 0;
  /* no interactions */
  pointer-events: none;
  transition: opacity 400ms var(--anim-ease), visibility 400ms var(--anim-ease);
}

.page-blur-overlay.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto; /* Allow interaction if needed, though usually not */
}

/* Hide mobile-only elements on desktop */
.burger-menu,
.burger-toggle,
.nav-links-mobile {
  display: none;
}

/* hero style */
#hero-iphone-16-pro {
  margin-top: 46px;
  background-image: url("./assets/images/hero_iphone_16_pro.jpg");
}

#hero-iphone-16 {
  margin-top: 12px;
  background-image: url("./assets/images/hero_iphone_16.jpg");
}

#hero-macbook-air {
  margin-top: 12px;
  background-image: url("./assets/images/hero_macbook_air.jpg");
}

#hero-macbook-air h1,
#hero-macbook-air p {
  color: var(--text-black);
}

.product {
  overflow: hidden;
  background-size: cover;
  background-position: center;
  height: 580px;
}

.product-content {
  display: flex;
  color: var(--text-white);
  flex-direction: column;
  text-align: center;
  padding-top: 50px;
}

.product-content h1 {
  font-size: 56px;
  line-height: 1;
  font-weight: 600;
  margin-top: 6px;
  letter-spacing: -0.005em;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

.product-content p {
  font-size: 28px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.007em;
  margin-top: 6px;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

.cta-buttons {
  margin-top: 19px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

/* product grid styling */
.grid-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 12px;
}

.grid-product-items {
  overflow: hidden;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  height: 580px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.watch-10 {
  background-image: url("./assets/images/grid_1.jpg");
}

.ipad-air {
  background-image: url("./assets/images/grid_2.jpg");
}

.ipad-pro {
  background-image: url("./assets/images/grid_3.jpg");
}

.airpods-pro {
  justify-content: flex-end;
  padding: 53px;
  background-image: url("./assets/images/grid_4.jpg");
}

.macbook-pro {
  background-image: url("./assets/images/grid_5.jpg");
}

.app-store {
  background-image: url("./assets/images/grid_6.jpg");
}

.grid-product-items img {
  margin-top: 56px;
}

.grid-product-items h5 {
  font-size: 21px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.007em;
  margin-top: 6px;
  font-family: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

.grid-buttons .btn {
  font-size: 14px;
}

.watch-10 img {
  height: 53px;
  width: auto;
}

.ipad-air img {
  height: 33px;
  width: auto;
}

.product-logo {
  margin-bottom: 10px;
}

.product-items h2 {
  font-size: 40px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: 0em;
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  margin-top: 53px;
}

.product-items p {
  font-size: 21px;
  line-height: 1.19048;
  font-weight: 400;
  letter-spacing: 0.001em;
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
}

/* carousel styling */
#apple-tv {
  margin-top: 12px;
  margin-bottom: 12px;
}

.carousel-container {
  position: relative;
  margin: 0 auto 12px;
  height: var(--carousel-height);
  overflow: hidden;
  isolation: isolate;
}

/* THE NEW TRACK LOGIC */
.carousel-track {
  display: flex; /* Lays out items in a row */
  gap: var(--active-gap); /* This creates the 12px gap! */
  height: 100%;
  /* The magic happens here: we transition the transform property */
  transition: transform var(--anim-ms) var(--anim-ease);
}

.carousel-item {
  position: relative;
  width: 1265px;
  flex-shrink: 0; /* Prevents items from shrinking */
  height: 100%;
  overflow: hidden;
  transition: transform var(--anim-ms) var(--anim-ease), filter var(--anim-ms) var(--anim-ease);
  cursor: pointer; /* Makes it clickable */
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-item picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Apply the overlay to ALL items by default */
.carousel-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, var(--side-dim));
  pointer-events: none;
  opacity: 1; /* Default to visible */
  /* KEY: Transition the opacity smoothly with your new timing */
  transition: opacity var(--anim-ms) var(--anim-ease);
}

/* When an item is active, just fade the overlay out */
.carousel-item.is-active::after {
  opacity: 0;
}

.is-resetting .carousel-item::after {
  transition: none;
}

/* This fixes the content fade-up flash */
.is-resetting .carousel-item.is-active .carousel-content {
  transition: none;
}

/* CONTENT ANIMATIONS */
.carousel-content {
  position: absolute;
  bottom: 56px;
  left: 70px;
  z-index: 5;
  opacity: 0; /* Hidden by default */
  display: flex;
  align-items: center;
  gap: 12px;
  transition: opacity var(--anim-ms) var(--anim-ease), transform var(--anim-ms) var(--anim-ease);
  transform: translateY(12px);
  pointer-events: none;
}

/* Fade up for the active item */
.carousel-item.is-active .carousel-content {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 250ms; /* Delay to let it slide into place first */
}

/* Fade down for the item that is leaving */
.carousel-item.is-leaving .carousel-content {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--anim-ms) var(--anim-ease), transform var(--anim-ms) var(--anim-ease); /* Faster fade out */
  transition-delay: 0ms;
}

.carousel-content p {
  color: var(--text-white);
  font-size: 20px;
  letter-spacing: 0em;
  line-height: 1.1;
  font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  text-shadow: 0px 0px 5px rgba(0, 0, 0, 0.6);
}

/* --- DOTS with Background Animation --- */
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}
.carousel-controls .item {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.54);
  cursor: pointer;
  /* A transition provides a fallback and smooth color change */
  transition: background-color 280ms var(--anim-ease);
}
/* This class defines the final state of the active dot */
.carousel-controls .item.is-active {
  background: rgba(0, 0, 0, 0.85);
}
/* Your requested keyframe animation */
@keyframes backgroundChange {
  from {
    background: rgba(0, 0, 0, 0.54);
  }
  to {
    background: rgba(0, 0, 0, 0.85);
  }
}
/* The temporary class to trigger the animation */
.carousel-controls .item.change {
  /* A faster animation feels more responsive for dots */
  animation: backgroundChange 700ms var(--anim-ease);
}

/* footer style */
footer {
  background-color: rgb(245, 245, 247);
  color: var(--footer-text-color);
  font-size: 12px;
  padding-top: 12px;
  font-weight: 400;
}

footer ol {
  padding: 0 17px;
}

.footnote {
  font-size: 12px;
  color: var(--footer-text-color);
  padding: 5px 0;
}

.line {
  border: 0;
  border-top: 1px solid var(--footer-border-color);
  margin: 20.6px 0;
}

.airpods-desc,
.subscribe {
  padding-bottom: 9.6px;
}

footer ul {
  list-style: none;
}

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

.footer-link {
  color: var(--footer-link-color);
}

.retailer-link {
  margin-top: 34px;
}

.footer-list ul {
  display: flex;
  flex-direction: column;
  gap: 9.6px;
  margin-bottom: 20px;
}

.footer-list ul li strong {
  font-weight: 500;
  color: rgba(0, 0, 0, 0.88);
}

.retailer-link a {
  color: var(--primary-color);
}

.list-copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
}

/* responsive tablet */
@media (max-width: 1068px) {
  .btn {
    padding: 11px 21px;
  }
  body::-webkit-scrollbar {
    display: none;
  }

  /* product styling mobile */

  .product-content h1 {
    font-size: 48px;
  }

  .product-content p {
    font-size: 23px;
  }

  /* grid styling mobile */
  .grid-product-items {
    height: 490px;
    text-align: center;
  }

  .grid-product-items h5 {
    font-size: 19px;
  }

  .product-items h2 {
    font-size: 32px;
  }

  .product-items p {
    font-size: 19px;
  }

  .watch-10 img {
    height: 48px;
    width: auto;
  }

  .ipad-air img {
    height: 26px;
    width: auto;
  }

  /* slider mobile */
  .carousel-container {
    height: auto;
  }
  .carousel-item {
    max-width: 687px;
    max-height: 367.7px;
  }

  .carousel-track {
    height: auto;
  }

  .carousel-content {
    bottom: 0;
    left: 0;
    padding-left: 30px;
    padding-bottom: 24px;
    gap: 20px;
  }

  .carousel-desc {
    max-width: 354px;
  }
  .carousel-content .btn {
    font-size: 14px;
  }

  .carousel-content p {
    font-size: 18px;
  }

  /* footer */
  footer {
    padding: 0 16px;
  }

  footer ol {
    padding-top: 17px;
  }

  .footer-list {
    margin-left: 6px;
  }

  .list-copyright-mobile {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 18px;
    gap: 6px;
  }

  .country-text {
    margin-top: 20.6px;
    color: rgba(0, 0, 0, 0.7);
  }
  .copyright-text {
    margin-top: 14px;
  }

  .privacy-text {
    color: rgba(0, 0, 0, 0.7);
  }

  .retailer-link {
    margin-top: 20px;
  }
}

@media (max-width: 920px) {
  /* Hide the desktop nav links */
  .nav-item {
    display: none;
  }

  /* --- Mobile Header Layout --- */
  .navbar {
    padding: 0 22px;
  }
  .nav-controls {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .nav-controls .nav-link {
    display: flex;
    align-items: center;
  }

  .navbar > .nav-logo,
  .navbar > .nav-controls > .nav-link {
    opacity: 1;
    pointer-events: auto;
    /* The transition is defined here, on the base state */
    transition: opacity 400ms var(--anim-ease);
  }

  .icon-apple {
    width: 18px;
    height: 48px;
  }

  .icon-search {
    width: 15px;
    height: 44px;
  }

  .burger-menu {
    height: 44px;
    width: 44px;
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
    cursor: pointer;
    z-index: 1002;
  }
  .burger-menu button {
    all: unset;
    display: block;
    position: relative;
    height: 12px;
    width: 17px;
  }
  .burger-container {
    position: absolute;
    width: 100%;
    height: 1px;
    transition: transform 0.2s ease-in-out 0.1s;
  }
  .line {
    height: 100%;
    width: 100%;
    background: var(--global-nav-text-color);
    transition: transform 0.2s ease-in-out, background-color 0.2s ease-in-out;
  }
  .burger-container.container-top {
    transform: translateY(-4px);
  }
  .burger-container.container-bottom {
    transform: translateY(4px);
  }

  /* --- Mobile Menu Container --- */
  .nav-links-mobile {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--global-nav-color);
    flex-direction: column;
    padding: 80px 45px 0;
    opacity: 1;
    visibility: hidden;
    z-index: -1;
    transition: height 400ms var(--anim-ease), visibility 0.4s var(--anim-ease);
  }

  /* --- Mobile Menu Links --- */
  .nav-link-mobile {
    color: #e8e8ed;
    text-decoration: none;
    font-size: 27px;
    font-weight: 600;

    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s var(--anim-ease), transform 0.2s var(--anim-ease);

    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* Style the arrow wrapper */
  .nav-link-mobile-arrow {
    display: flex;
    justify-content: space-between;
    opacity: 0; /* Hidden by default */
    transform: translateX(-5px); /* Start slightly to the right */
    transition: opacity 0.3s var(--anim-ease), transform 0.3s var(--anim-ease);
  }

  /* Style the SVG icon itself */
  .nav-link-mobile-arrow svg {
    fill: var(--global-nav-text-color);
    transform: scaleX(-1); /* Flip the arrow to point right */
    width: 9px; /* Adjusted size */
    height: 48px;
  }

  /* Show the arrow on hover */
  .nav-link-mobile:hover .nav-link-mobile-arrow {
    opacity: 1;
    transform: translateX(0);
  }

  /* 1. Fade out the header icons when menu is active */

  .header.mobile-menu-active .nav-logo,
  .header.mobile-menu-active .nav-controls .nav-link {
    opacity: 0;
    pointer-events: none;
  }

  /* 2. Animate the burger into an 'X' */
  .header.mobile-menu-active .burger-container {
    transform: none;
    transition-delay: 0s;
  }
  .header.mobile-menu-active .line {
    transition-delay: 0.2s;
    background-color: #fff; /* Make X icon white */
  }
  .header.mobile-menu-active .line-top {
    transform: rotate(45deg);
  }
  .header.mobile-menu-active .line-bottom {
    transform: rotate(-45deg);
  }

  /* 3. Show the mobile menu container */
  .header.mobile-menu-active .nav-links-mobile {
    visibility: visible;
    height: 120vh;
  }

  /* 4. Animate the links into view with a stagger effect */
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile {
    opacity: 1;
    transform: translateY(0);
  }

  /* Staggered delay for link animation */
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(1) {
    transition-delay: 0.2s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(2) {
    transition-delay: 0.25s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(3) {
    transition-delay: 0.3s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(4) {
    transition-delay: 0.35s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(5) {
    transition-delay: 0.4s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(6) {
    transition-delay: 0.45s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(7) {
    transition-delay: 0.5s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(8) {
    transition-delay: 0.55s;
  }
  .header.mobile-menu-active .nav-links-mobile .nav-link-mobile:nth-child(9) {
    transition-delay: 0.6s;
  }

  /* hero style */
  #hero-iphone-16-pro {
    background-image: url("./assets/images/hero_resp_920_ip16pro.jpg");
  }

  #hero-iphone-16 {
    background-image: url("./assets/images/hero_resp_920_ip16.jpg");
  }

  /* product grid */
  .watch-10 {
    background-image: url("./assets/images/resp_grid_item_1.jpg");
    background-size: cover;
  }

  .ipad-air {
    background-image: url("./assets/images/resp_grid_item_2.jpg");
  }

  .ipad-pro {
    background-image: url("./assets/images/resp_grid_item_3.jpg");
  }

  .airpods-pro {
    background-image: url("./assets/images/resp_grid_item_4.jpg");
  }

  .macbook-pro {
    background-image: url("./assets/images/resp_grid_item_5.jpg");
  }

  .app-store {
    background-image: url("./assets/images/resp_grid_item_6.jpg");
  }

  /* grid style */
  .grid-container {
    grid-template-columns: repeat(1, 1fr);
    margin: 12px 0;
  }

  /* footer */
  .footer-list {
    display: none;
  }

  .list-copyright {
    display: none;
  }

  /* accordion */
  .accordion {
    border: none;
    background-color: transparent;
    border-bottom: 1px solid var(--footer-border-color);
    padding: 10px;
    width: 100%;
    text-align: left;
    font-size: 12px;
    position: relative;
    transition: 0.4s;
    cursor: pointer;
  }

  .accordion:after {
    content: url('data:image/svg+xml;utf,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-6"><path stroke-linecap="round" stroke-linejoin="round" d="m19.5 8.25-7.5 7.5-7.5-7.5" /></svg>');
    position: absolute;
    color: var(--text-black);
    right: 20px;
    top: 25%;
    height: 16px;
    width: 16px;
    transform: translate(-50%);
    transform: scaleY(1);
    transition: transform 0.2s;
  }

  .accordion.active::after {
    transform: scaleY(-1);
  }

  .panel {
    padding: 0 16px;
    background-color: transparent;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-in-out;
  }

  .panel ul {
    display: block;
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 6px;
  }

  #last-line {
    display: none;
  }
}

@media (max-width: 541px) {
  /* product styling */
  .btn {
    padding: 7px 15px;
    font-size: 14px;
  }

  .product {
    height: 500px;
  }

  #hero-iphone-16-pro .product-content {
    transform: translateY(240%);
  }

  #hero-iphone-16 .product-content {
    padding-top: 37px;
  }

  .product-content h1 {
    font-size: 32px;
  }

  .product-content p {
    font-size: 18px;
  }

  /* hero style */
  #hero-iphone-16-pro {
    background-image: url("./assets/images/hero_responsive_iphone-16-pro.jpg");
  }

  #hero-iphone-16 {
    background-image: url("./assets/images/hero_responsive_iphone-16.jpg");
  }

  #hero-macbook-air {
    background-image: url("./assets/images/hero_responsive_macbook.jpg");
  }

  /* carousel style */
  .carousel-item {
    max-width: 274px;
    max-height: 495px;
    display: flex;
    justify-content: center;
  }

  .carousel-content {
    flex-direction: column-reverse;
    padding: 24px 8px;
  }

  #item-2 .carousel-content {
    padding-left: 20%;
  }

  #item-3 .carousel-content {
    padding-left: 15%;
  }

  #item-6 .carousel-content {
    padding-left: 6.5%;
  }

  .dot {
    display: none;
  }

  .carousel-content p {
    font-size: 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 8px;
    z-index: 1001;
  }

  .carousel-content:after {
    content: "";
    background-image: url("./assets/images/tv plus.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 68px;
    height: 33px;
    bottom: 450px;
  }

  #item-1 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_1.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }

  #item-2 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_2.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }

  #item-3 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_3.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }

  #item-4 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_4.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }

  #item-5 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_5.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }
  #item-6 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_6.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }
  #item-7 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_7.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }
  #item-8 .carousel-content:before {
    content: "";
    background-image: url("./assets/images/carousel_title_8.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    width: 220px;
    height: 54px;
    bottom: 390px;
  }
}