:root {
  --font-family-base: "Inter", -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;
  --font-size-5xl: 3rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --color-primary: #0066cc;
  --color-primary-dark: #0052a3;
  --color-secondary: #00d4aa;
  --color-accent: #ff6b35;
  --color-accent-light: #ff8a5a;

  --color-background: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-hover: #f1f5f9;

  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);

  --radius-sm: 0.375rem;
  --radius-base: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --gradient-primary: linear-gradient(135deg,
      var(--color-primary) 0%,
      var(--color-secondary) 100%);
  --gradient-accent: linear-gradient(135deg,
      var(--color-accent) 0%,
      var(--color-accent-light) 100%);
  --gradient-surface: linear-gradient(135deg,
      var(--color-surface) 0%,
      #ffffff 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-secondary: #06d6a0;
    --color-accent: #f97316;
    --color-accent-light: #fb923c;

    --color-background: #0f172a;
    --color-surface: #1e293b;
    --color-surface-hover: #334155;

    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #64748b;

    --color-border: #334155;
    --color-border-light: #475569;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.2);
    --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3),
      0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3),
      0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3),
      0 8px 10px -6px rgb(0 0 0 / 0.3);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-surface);
  overflow: hidden;
  padding-top: 70px;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f1f5f9' fill-opacity='0.4'%3E%3Ccircle cx='7' cy='7' r='1'/%3E%3Ccircle cx='53' cy='7' r='1'/%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3Ccircle cx='7' cy='53' r='1'/%3E%3Ccircle cx='53' cy='53' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
}

@media (prefers-color-scheme: dark) {
  .hero__background {
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23334155' fill-opacity='0.4'%3E%3Ccircle cx='7' cy='7' r='1'/%3E%3Ccircle cx='53' cy='7' r='1'/%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3Ccircle cx='7' cy='53' r='1'/%3E%3Ccircle cx='53' cy='53' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
  align-items: center;
  padding: var(--space-24) 0;
}

.hero__app-info {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.hero__logo-wrapper {
  flex-shrink: 0;
  width: 180px;
  height: 180px;
  position: relative;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: 4px;
  box-shadow: var(--shadow-xl);
}

.hero__logo {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-2xl) - 4px);
  object-fit: cover;
  transition: transform 0.3s ease;
}

.hero__logo-wrapper:hover .hero__logo {
  transform: scale(1.05);
}

.hero__text {
  flex: 1;
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-2);
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero__button-ios img {
  height: 56px;
  transition: transform 0.3s ease;
}

.hero__button-ios:hover img {
  transform: scale(1.05);
}

.hero__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface-hover);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-2xl);
}

.feature-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.feature-card__description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-16);
    text-align: center;
    padding: var(--space-16) var(--space-6);
  }

  .hero__app-info {
    flex-direction: column;
    gap: var(--space-6);
  }

  .hero__logo-wrapper {
    width: 140px;
    height: 140px;
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

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

@media (max-width: 640px) {
  .hero__content {
    padding: var(--space-12) var(--space-6);
  }

  .hero__app-info {
    gap: var(--space-4);
  }

  .hero__logo-wrapper {
    width: 100px;
    height: 100px;
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .feature-card {
    padding: var(--space-6);
  }

  .feature-card__icon {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-xl);
  }
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 800px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .section-title {
    font-size: var(--font-size-2xl);
  }

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

.screenshots {
  padding: var(--space-24) 0;
  background: var(--color-background);
}

.screenshots__wrapper {
  position: relative;
  margin-bottom: var(--space-16);
  overflow-x: auto;
  padding: 0 var(--space-6);
}

.screenshots__wrapper::before,
.screenshots__wrapper::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  opacity: 0.8;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-base);
  pointer-events: none;
}

.screenshots__wrapper::before {
  left: var(--space-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 19l-7-7 7-7' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 16px;
}

.screenshots__wrapper::after {
  right: var(--space-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5l7 7-7 7' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 16px;
}

.screenshots__wrapper:hover::before,
.screenshots__wrapper:hover::after {
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
}

@media (prefers-color-scheme: dark) {
  .screenshots__wrapper::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23cbd5e1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 19l-7-7 7-7' /%3E%3C/svg%3E");
  }

  .screenshots__wrapper::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23cbd5e1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5l7 7-7 7' /%3E%3C/svg%3E");
  }
}

.screenshots__list {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-8) 0;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  justify-content: center;
}

.screenshot-item {
  flex-shrink: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}

.screenshot-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.screenshot-item__image {
  width: 220px;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
}

@media (max-width: 768px) {
  .screenshots {
    padding: var(--space-16) 0;
  }

  .screenshots__list {
    gap: var(--space-4);
    padding: var(--space-4) 0;
    justify-content: flex-start;
  }

  .screenshot-item__image {
    width: 180px;
  }
}

.features {
  padding: var(--space-24) 0;
  background: var(--color-surface);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.features__category {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  box-shadow: var(--shadow-base);
}

.features__category-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.features__category-header i {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
}

.features__category-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.features__category-note {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.features__list {
  display: grid;
  gap: var(--space-6);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: var(--color-surface);
  transform: translateX(4px);
}

.feature-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-base);
}

.feature-item__content h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.feature-item__content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.testimonials {
  margin: var(--space-20) 0;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all 0.3s ease;
  position: relative;
}

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

.testimonial::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial__content {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 2;
}

.testimonial__content p {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  font-style: italic;
  margin: 0;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.testimonial__name {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.testimonial__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

@media (max-width: 768px) {
  .testimonials {
    margin: var(--space-16) 0;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .testimonial {
    padding: var(--space-6);
  }

  .testimonial::before {
    top: var(--space-3);
    left: var(--space-4);
    font-size: 2.5rem;
  }
}

.pricing {
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='m0 40l40-40h-40z'/%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
}

.pricing__header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

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

.pricing__header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.pricing p {
  position: relative;
  z-index: 2;
  font-size: var(--font-size-base);
  line-height: 1.7;
  opacity: 0.95;
}

@media (max-width: 1024px) {
  .features {
    padding: var(--space-16) 0;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .features__category {
    padding: var(--space-8);
  }

  .pricing {
    padding: var(--space-8);
  }
}

@media (max-width: 640px) {
  .features__category {
    padding: var(--space-6);
  }

  .features__category-header {
    flex-direction: column;
    text-align: center;
    gap: var(--space-2);
  }

  .feature-item {
    padding: var(--space-3);
  }

  .feature-item__icon {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
  }
}

.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0;
}

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

.footer__love {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.footer__love a {
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer__love a:hover {
  color: var(--color-primary-dark);
}

.footer__links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.footer__link a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color 0.3s ease;
}

.footer__link a:hover {
  color: var(--color-text-primary);
}

@media (max-width: 640px) {
  .footer__container {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer__links {
    gap: var(--space-4);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__content>* {
  animation: fadeInUp 0.8s ease-out;
}

.feature-card {
  animation: fadeInUp 0.8s ease-out;
}

.feature-card:nth-child(2) {
  animation-delay: 0.1s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.2s;
}

.tobi-zoom__icon {
  display: none;
}

@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --shadow-base: 0 2px 4px 0 rgb(0 0 0 / 0.5);
  }

  .feature-card,
  .features__category {
    border-width: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 768px) {

  .screenshots__wrapper::before,
  .screenshots__wrapper::after {
    display: none;
  }

  .screenshots__wrapper {
    padding: 0 var(--space-4);
  }

  .screenshots__grid {
    gap: var(--space-4);
  }

  .screenshot {
    min-width: 280px;
  }
}

.scroll-indicator {
  position: fixed;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.scroll-indicator::before {
  content: "";
  width: 32px;
  height: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-base);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 14l-7 7m0 0l-7-7m7 7V3' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 18px;
  opacity: 0.7;
  transition: all 0.3s ease;
  animation: bounceDown 2s ease-in-out infinite;
}

@media (prefers-color-scheme: dark) {
  .scroll-indicator::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23cbd5e1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 14l-7 7m0 0l-7-7m7 7V3' /%3E%3C/svg%3E");
  }
}

@keyframes bounceDown {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-4px);
  }

  60% {
    transform: translateY(-2px);
  }
}

.scroll-indicator.hidden {
  opacity: 0;
  visibility: hidden;
}

body::after {
  content: "";
  position: fixed;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-base);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 14l-7 7m0 0l-7-7m7 7V3' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 18px;
  z-index: 1000;
  opacity: 0.7;
  transition: all 0.3s ease;
  animation: bounceDown 2s ease-in-out infinite;
  pointer-events: none;
}

@media (prefers-color-scheme: dark) {
  body::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23cbd5e1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 14l-7 7m0 0l-7-7m7 7V3' /%3E%3C/svg%3E");
  }
}

@media (max-width: 1024px) {
  body::after {
    display: none;
  }
}

@media (min-width: 1025px) {
  body.scrolled::after {
    opacity: 0;
    visibility: hidden;
  }
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-background);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

@media (prefers-color-scheme: dark) {
  .navbar--scrolled {
    background: rgba(15, 23, 42, 0.95);
  }
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.navbar__logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-base);
  transition: transform 0.3s ease;
}

.navbar__brand:hover .navbar__logo {
  transform: scale(1.1);
}

.navbar__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__link {
  color: var(--color-text-secondary);
  font-weight: 500;
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-base);
  transition: all 0.3s ease;
  position: relative;
}

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

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar__link:hover::after {
  width: 100%;
}

.navbar__download {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

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

.navbar__download i {
  font-size: var(--font-size-lg);
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  gap: 4px;
  border-radius: var(--radius-base);
  transition: background-color 0.3s ease;
}

.navbar__toggle:hover {
  background: var(--color-surface);
}

.navbar__toggle-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all 0.3s ease;
  transform-origin: center;
}

.navbar__toggle--active .navbar__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.navbar__toggle--active .navbar__toggle-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__toggle--active .navbar__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 768px) {
  .navbar__toggle {
    display: flex;
  }

  .navbar__menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    padding: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
  }

  .navbar__menu--active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar__nav {
    flex-direction: column;
    gap: 0;
    width: 100%;
    margin-bottom: var(--space-6);
  }

  .navbar__item {
    width: 100%;
  }

  .navbar__link {
    display: block;
    width: 100%;
    padding: var(--space-4);
    text-align: center;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
  }

  .navbar__link::after {
    display: none;
  }

  .navbar__download {
    width: 100%;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
  }

  .navbar-open {
    overflow: hidden;
  }
}