/* CSS Variables */
:root {
  color-scheme: dark;
  
  /* Fonts */
  --font-display: "SF Pro Display", "SF Pro", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-body: "SF Pro Text", "SF Pro", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Ogg", "Ogg Text", Georgia, serif;
  
  /* Color Palette - Gallery Theme (High-contrast Dark) */
  --bg-color: #0b0b0b;
  --bg-secondary: #121212;
  --text-color: #f5f5f5;
  --text-muted: #a0a0a0;
  --border-color: #262626;
  --border-color-hover: #404040;
  
  /* Accents */
  --accent-color: #f5f5f5;
  --accent-hover: #ffffff;
  --accent-active: #dcdcdc;
  --gold-color: #e5c158; /* Apple premium champagne gold */
  
  /* Layout variables */
  --card-bg: #121212;
  --card-bg-hover: #1c1c1e;
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  --hero-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  --nav-bg: rgba(11, 11, 11, 0.85);
}

/* Light Theme Variables */
.light-theme {
  color-scheme: light;
  
  --bg-color: #f5f5f7; /* Apple signature light gray background */
  --bg-secondary: #ffffff;
  --text-color: #1d1d1f; /* Apple dark text */
  --text-muted: #86868b; /* Apple muted gray text */
  --border-color: #e5e5ea;
  --border-color-hover: #d2d2d7;
  
  --accent-color: #1d1d1f;
  --accent-hover: #000000;
  --accent-active: #515154;
  --gold-color: #b38938; /* darker gold for readability on light bg */
  
  --card-bg: #ffffff;
  --card-bg-hover: #f5f5f7;
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  --hero-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
  --nav-bg: rgba(245, 245, 247, 0.85);
}

/* Theme Toggle Button Styling */
.theme-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.25s, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
  transform: scale(1.05);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* Toggle visibility between Sun and Moon based on active theme class */
.light-theme .sun-icon {
  display: none;
}
.light-theme .moon-icon {
  display: block;
}

.dark-theme .sun-icon {
  display: block;
}
.dark-theme .moon-icon {
  display: none;
}

/* Global Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-color);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.5;
  font-weight: 400;
  letter-spacing: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s, color 0.3s;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.25s, color 0.25s;
}

a:hover {
  opacity: 0.8;
}

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Vogue Serif Italic helper */
.serif-italic {
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-color);
  text-transform: none; /* keep original case */
}

/* Header & Navigation */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 54px;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s, border-color 0.3s;
}

.header-container {
  width: 100%;
  max-width: 1216px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0;
  text-transform: none;
}

.brand-icon {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand:hover .brand-icon {
  transform: scale(1.08) rotate(2deg);
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  opacity: 0.85;
}

nav a {
  color: var(--text-muted);
}

nav a.active, nav a:hover {
  color: var(--text-color);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
  gap: 2.75rem;
  min-height: calc(100vh - 54px);
  padding: 4rem 2rem 5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.award-laurel {
  display: inline-block;
  color: var(--gold-color);
  margin-bottom: 2rem;
}

.award-branch {
  width: 38px;
  height: 54px;
  flex: 0 0 auto;
  color: var(--gold-color);
  opacity: 0.9;
  transform: translateY(-1px) rotate(-7deg);
}

.award-branch-right {
  transform: translateY(-1px) scaleX(-1) rotate(-7deg);
}

.award-stem,
.award-leaf {
  vector-effect: non-scaling-stroke;
}

.award-stem {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.15;
  stroke-linecap: round;
  opacity: 0.58;
}

.award-leaf {
  fill: currentColor;
  opacity: 0.78;
}

.award-badge {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.05;
  color: var(--gold-color);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  white-space: nowrap;
}

.award-text-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.award-event {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-size: 1.08rem;
}

.award-year {
  color: var(--text-color);
  opacity: 0.62;
}

.award-name {
  color: var(--text-muted);
  font-weight: 520;
}

.award-badge strong {
  color: var(--gold-color);
  font-size: 1.42rem;
  font-weight: 650;
  line-height: 1.08;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: 3.35rem;
  line-height: 1.18;
  font-weight: 650;
  letter-spacing: 0;
  margin-bottom: 1.5rem;
  color: var(--text-color);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-copy h1:hover {
  transform: translateY(-2px);
}

.hero-copy h1 span {
  display: inline;
  font-weight: 400;
}

.hero-copy .lead {
  font-size: 1.12rem;
  line-height: 1.5;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 2.75rem;
  max-width: 440px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Buttons (Apple Minimalist Style) */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  padding: 9px 18px;
  border-radius: 980px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border-color);
  background-color: transparent;
  color: var(--text-color);
}

.button.primary {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
}

.button.primary:hover {
  background-color: transparent;
  color: var(--text-color);
  transform: translateY(-2px);
}

.button-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0;
  text-transform: none;
}

.button-link:hover {
  color: var(--accent-hover);
  text-decoration: none;
  transform: translateX(3px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hero Right Side - Image Only (Borderless) */
.product-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-screenshot {
  display: block;
  width: 100%;
  max-width: 820px;
  transform-origin: center;
  transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-screenshot:hover {
  transform: translateY(-4px) scale(1.008);
}

/* Features Grid (Gap-px Borders) */
.features-section {
  padding: 7rem 2rem;
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 5.5rem;
  transition: transform 0.3s ease;
}

.section-title-wrap:hover {
  transform: translateY(-2px);
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--text-color);
}

/* Grid Border Wrapper using gap-px logic */
.grid-border-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background-color: var(--border-color); /* The border color exposed in the gaps */
  max-width: 960px;
  margin: 0 auto;
  border: 1px solid var(--border-color);
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background-color: var(--card-bg); /* Solid card background */
  padding: 3rem 2.25rem;
  transition: background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
  background-color: var(--card-bg-hover);
}

.feature-icon-wrapper {
  color: var(--text-color);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
  color: var(--text-color);
  letter-spacing: 0;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  font-weight: 400;
}

/* Showcase Screenshot Grid (Borderless Cards) */
.showcase-section {
  padding: 6.5rem 2rem 7rem;
  max-width: 1180px;
  margin: 0 auto;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  margin-top: 3.25rem;
}

.showcase-card {
  display: flex;
  flex-direction: column;
}

/* Borderless Showcase Image */
.showcase-card img {
  width: 100%;
  display: block;
  background: transparent;
  border: 0;
  box-shadow: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-card img:hover {
  transform: translateY(-4px);
}

.showcase-info {
  margin-top: 1.5rem;
  transition: transform 0.3s;
}

.showcase-card:hover .showcase-info {
  transform: translateY(-2px);
}

.showcase-info h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.showcase-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  font-weight: 400;
}

/* Specs/Compatibility Section */
.info-section {
  padding: 7rem 2rem;
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.info-cards {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  max-width: 960px;
  margin: 0 auto;
}

.info-details h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 2.25rem;
  letter-spacing: 0;
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.spec-icon {
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--text-color);
  margin-top: 3px;
  opacity: 0.88;
}

.spec-text h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.spec-text p {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 400;
}

.info-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.sidebar-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  transition: background-color 0.3s, border-color 0.3s;
}

.sidebar-card:hover {
  background-color: var(--card-bg-hover);
  border-color: var(--border-color-hover);
}

.sidebar-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.sidebar-card p {
  font-weight: 400;
}

.sidebar-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.sidebar-card li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
}

.sidebar-card li::before {
  content: '•';
  color: var(--text-color);
  opacity: 0.8;
}

/* Secondary Pages (Support/Privacy) */
.page {
  padding: 7rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.page-hero {
  margin-bottom: 4.5rem;
  text-align: center;
}

.page-hero .eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0;
  margin-bottom: 0.75rem;
  display: block;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 650;
  letter-spacing: 0;
  margin-bottom: 1rem;
}

.page-hero .lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 400;
}

.page-content {
  margin-bottom: 2.5rem;
}

.page-content section {
  margin-bottom: 3rem;
}

.page-content h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1.25rem;
  color: var(--text-color);
  letter-spacing: 0;
}

.page-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-weight: 400;
}

.page-content ul {
  margin-left: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.page-content li {
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  font-weight: 400;
}

.page-content a {
  color: var(--text-color);
  text-decoration: underline;
}

/* Footer */
.site-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 2.5rem 2rem 3.5rem;
  border-top: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0;
}

.site-footer span {
  opacity: 0.72;
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
}

.footer-nav a {
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.82;
}

.footer-nav a:hover {
  color: var(--text-color);
  opacity: 1;
}

/* Media Queries */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 4rem;
    padding-top: 5rem;
    padding-bottom: 6rem;
    text-align: center;
  }
  
  .hero-copy {
    align-items: center;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 2.65rem;
  }
  
  .hero-copy .lead {
    margin-left: auto;
    margin-right: auto;
  }
  
  .actions {
    justify-content: center;
  }
  
  .product-screenshot {
    max-width: min(760px, 94vw);
  }

  .award-badge {
    gap: 0.75rem;
  }

  .award-text-content {
    gap: 0.22rem;
  }

  .award-event {
    gap: 0.55rem;
    font-size: 0.98rem;
  }

  .award-badge strong {
    font-size: 1.24rem;
  }

  .award-branch {
    width: 26px;
    height: 38px;
  }
  
  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .info-cards {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 0 1rem;
  }
  
  .brand {
    font-size: 0.9rem;
    gap: 6px;
  }
  
  .brand-icon {
    width: 18px;
    height: 18px;
  }
  
  nav {
    gap: 1rem;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 2.2rem;
  }

  .award-badge {
    gap: 0.5rem;
  }

  .award-text-content {
    gap: 0.18rem;
  }

  .award-event {
    gap: 0.42rem;
    font-size: 0.74rem;
  }

  .award-badge strong {
    font-size: 0.96rem;
  }

  .award-branch {
    width: 20px;
    height: 28px;
  }
  
  .nav-actions {
    gap: 0.75rem;
  }
  
  .site-footer {
    flex-direction: column;
    gap: 0.85rem;
    text-align: center;
    padding: 2.25rem 2rem 3.25rem;
  }
  
  .footer-nav {
    justify-content: center;
  }
}