/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --color-primary: #d7b5bf;
  --color-secondary: #a48f96;
  --color-accent: #eada84;
  --color-light: #efe6ea;
  --color-white: #ffffff;
  --color-black: #2c2c2c;
  --color-gray: #666666;
  --color-gray-light: #f5f5f5;
  --color-border: #e0e0e0;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-hero: linear-gradient(135deg, var(--color-light) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  --gradient-card: linear-gradient(145deg, var(--color-white), var(--color-light));
  
  /* Typography */
  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  
  /* Container */
  --container-max-width: 1200px;
  --header-height: 70px;
}

/* ===== BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-fast);
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.section__title i {
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--primary:active {
  transform: translateY(0);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition-normal);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-black);
  transition: var(--transition-fast);
}

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

.nav__logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.nav__menu {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--color-black);
  transition: var(--transition-fast);
  position: relative;
}

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

.nav__link i {
  font-size: var(--font-size-sm);
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: var(--font-size-xl);
  color: var(--color-black);
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  background: var(--gradient-hero);
  padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-lg);
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.hero__container {
  width: 100%;
}

.hero__content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

/* Version Info */
.hero__version-info {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.version-badge {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.release-date {
  color: var(--color-gray);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Title */
.hero__title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

/* Download Section */
.hero__download {
  margin-bottom: var(--spacing-xl);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-2xl);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  margin-bottom: var(--spacing-md);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.download-btn i {
  font-size: var(--font-size-xl);
}

.download-info {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  margin-top: var(--spacing-sm);
}

/* Stats */
.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.stat-item {
  font-size: var(--font-size-base);
  color: var(--color-gray);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

/* ===== NEWS SECTION ===== */
.news {
  background-color: var(--color-gray-light);
}

.news__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.news__card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border: 1px solid var(--color-border);
}

.news__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news__date {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.news__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-black);
}

.news__content {
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.news__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 500;
  transition: var(--transition-fast);
}

.news__link:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* ===== GALLERY SECTION ===== */
.gallery__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.gallery__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  transition: var(--transition-normal);
}

.gallery__item:hover {
  transform: scale(1.02);
}

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.gallery__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-normal);
}

.gallery__item:hover .gallery__overlay {
  opacity: 1;
}

.gallery__overlay i {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
}

/* ===== REVIEWS SECTION ===== */
.reviews {
  background-color: var(--color-gray-light);
}

.reviews__stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.reviews__rating {
  text-align: center;
}

.rating__score {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.rating__stars {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.rating__stars i {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
}

.rating__count {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
}

.reviews__tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.reviews__container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.review__card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: none;
  border: 1px solid var(--color-border);
}

.review__card.active {
  display: block;
}

.review__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.review__user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-black);
}

.review__user i {
  font-size: var(--font-size-xl);
  color: var(--color-gray);
}

.review__stars {
  display: flex;
  gap: var(--spacing-xs);
}

.review__stars i {
  font-size: var(--font-size-base);
  color: var(--color-accent);
}

.review__content {
  font-style: italic;
  line-height: 1.7;
  color: var(--color-gray);
}

.reviews__nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.review__btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.review__btn:hover {
  background: var(--color-secondary);
  transform: scale(1.1);
}

/* ===== VERSIONS SECTION ===== */
.versions__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.version__card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.version__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.version__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.version__number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-light);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
}

.version__date {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-gray);
  font-weight: 500;
}

.version__content h4 {
  font-size: var(--font-size-lg);
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
}

.version__content ul {
  margin-bottom: var(--spacing-lg);
}

.version__content li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray);
  line-height: 1.6;
}

.version__content li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.version__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.version__info span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray);
}

.version__download {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition-fast);
}

.version__download:hover {
  background: var(--color-secondary);
  transform: translateY(-1px);
}

/* ===== FAQ SECTION ===== */
.faq__container {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq__item:hover {
  box-shadow: var(--shadow-md);
}

.faq__question {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  font-weight: 600;
  color: var(--color-black);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.faq__question i {
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.faq__item.active .faq__question i {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray);
  line-height: 1.7;
  display: none;
}

.faq__item.active .faq__answer {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-black));
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
}

.footer__title i {
  color: var(--color-accent);
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__legal {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer__legal a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-accent);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* ===== GALLERY MODAL ===== */
.gallery-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
}

.gallery-modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-modal__content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.gallery-modal__img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.gallery-modal__close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--color-white);
  font-size: var(--font-size-3xl);
  cursor: pointer;
  transition: var(--transition-fast);
}

.gallery-modal__close:hover {
  color: var(--color-accent);
}

.gallery-modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 -60px;
}

.gallery-modal__btn {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.gallery-modal__btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.gallery-modal__prev {
  margin-left: -60px;
}

.gallery-modal__next {
  margin-right: -60px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --spacing-3xl: 2rem;
    --spacing-2xl: 1.5rem;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: var(--spacing-3xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-normal);
  }

  .nav__menu.show-menu {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
    padding: 0 var(--spacing-xl);
  }

  .nav__link {
    padding: var(--spacing-md);
    justify-content: flex-start;
    width: 100%;
    border-radius: var(--radius-md);
  }

  .nav__close {
    display: block;
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
  }

  .nav__toggle {
    display: block;
  }

  .hero {
    min-height: 50vh;
    margin-top: var(--header-height);
    padding: 80px 0 var(--spacing-md);
  }

  .hero__version-info {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero__title {
    font-size: clamp(1.8rem, 8vw, 2.8rem);
  }

  .download-btn {
    width: 100%;
    max-width: 300px;
  }

  .hero__stats {
    gap: var(--spacing-md);
  }

  .news__container {
    grid-template-columns: 1fr;
  }

  .gallery__container {
    grid-template-columns: 1fr;
  }

  .reviews__stats {
    flex-direction: column;
    text-align: center;
  }

  .reviews__tags {
    justify-content: center;
  }

  .version__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .version__info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer__legal {
    justify-content: center;
  }

  .gallery-modal__nav {
    padding: 0 -40px;
  }

  .gallery-modal__prev {
    margin-left: -40px;
  }

  .gallery-modal__next {
    margin-right: -40px;
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero {
    min-height: 40vh;
    margin-top: var(--header-height);
    padding: 100px 0 var(--spacing-sm);
  }

  .hero__version-info {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .hero__title {
    font-size: clamp(1.5rem, 10vw, 2.2rem);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .download-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }

  .hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
  }

  .stat-item {
    flex: 0 1 calc(33.333% - var(--spacing-xs));
    min-width: fit-content;
    text-align: center;
  }

  .stat-item {
    font-size: var(--font-size-sm);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .news__card,
  .version__card {
    padding: var(--spacing-lg);
  }

  .back-to-top {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 45px;
    height: 45px;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.hero__feature:nth-child(even) {
  animation: float 3s ease-in-out infinite;
}

.hero__feature:nth-child(odd) {
  animation: float 3s ease-in-out infinite reverse;
}

/* ===== LOADING OPTIMIZATION ===== */
.gallery__img[loading="lazy"] {
  transition: opacity 0.3s;
}

.gallery__img[loading="lazy"]:not(.loaded) {
  opacity: 0;
}

.gallery__img[loading="lazy"].loaded {
  opacity: 1;
}

/* ===== PRINT STYLES ===== */
@media print {
  .header,
  .back-to-top,
  .gallery-modal,
  .nav__toggle,
  .nav__close {
    display: none !important;
  }

  .hero {
    padding-top: var(--spacing-xl) !important;
  }

  .section {
    padding: var(--spacing-lg) 0 !important;
  }

  * {
    box-shadow: none !important;
  }
}