:root {
  --color-bg: #f6efe4;
  --color-bg-card: #ffffff;
  --color-primary: #8b7355;
  --color-primary-hover: #735d42;
  --color-secondary: #a0826d;
  --color-text: #2c2c2c;
  --color-text-secondary: #6b6b6b;
  --color-text-muted: #8f8578;
  --color-border: #e0d5c9;
  --color-white: #ffffff;
  --color-success: #5a9e5a;
  --color-warning: #c49b36;
  --color-error: #c44a4a;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --max-width: 1200px;
  --header-height: 60px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.8;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(246, 239, 228, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
  font-size: 18px;
}

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

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

.header__nav a {
  color: var(--color-text);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
}

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

.hero {
  padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  text-align: center;
}

.hero__icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.hero__eyebrow {
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.hero__subtitle {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.features {
  background-color: var(--color-white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature__card {
  padding: var(--spacing-xl);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature__title {
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.feature__description {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.how-it-works {
  background-color: var(--color-bg);
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  counter-reset: step;
}

.how-it-works__step {
  position: relative;
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
}

.how-it-works__step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: var(--font-weight-bold);
  font-size: 18px;
  margin-bottom: var(--spacing-md);
}

.how-it-works__step-title {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.how-it-works__step-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section__title {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.platforms {
  background-color: var(--color-white);
}

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

.platforms__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl) var(--spacing-2xl);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  min-width: 200px;
}

.platforms__icon {
  width: 64px;
  height: 64px;
  color: var(--color-text);
}

.platforms__name {
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
}

.contact {
  background-color: var(--color-bg);
  text-align: center;
}

.contact__email {
  display: inline-block;
  font-size: 18px;
  color: var(--color-primary);
  margin-top: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

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

.footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

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

.footer__links a {
  color: var(--color-text-secondary);
  font-size: 14px;
}

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

.footer__copyright {
  color: var(--color-text-muted);
  font-size: 12px;
}

.language-switcher {
  display: flex;
  gap: var(--spacing-sm);
}

.language-switcher a {
  font-size: 14px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.language-switcher a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.language-switcher a:not(.active) {
  color: var(--color-text-secondary);
}

.language-switcher a:not(.active):hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .hero {
    padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
  }

  .hero__cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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