:root {
  --primary: #4ECDC4;
  --primary-light: #E8F8F7;
  --primary-dark: #3BA99E;
  --secondary: #7C4DFF;
  --secondary-light: #EDE7FF;
  --secondary-dark: #651FFF;
  --background: #F5F9F8;
  --surface: #FFFFFF;
  --surface-variant: #F0F5F4;
  --text-primary: #1A2B2A;
  --text-secondary: #6B7B7A;
  --text-tertiary: #9CA9A8;
  --accent: #FF6B6B;
  --divider: #E0E8E7;
  --border: #E0E8E7;
  --success: #4CAF50;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 32px rgba(78, 205, 196, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --max-width: 1180px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--secondary-dark);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.92);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s ease;
}

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

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  transition: all 0.2s ease;
}

.lang-switch:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

/* HERO */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  background:
    radial-gradient(circle at 20% 20%, var(--primary-light) 0%, transparent 40%),
    radial-gradient(circle at 80% 30%, var(--secondary-light) 0%, transparent 40%),
    var(--background);
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.subtitle {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--surface);
  box-shadow: 0 4px 14px rgba(78, 205, 196, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(78, 205, 196, 0.45);
  color: var(--surface);
}

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

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

.app-badges {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.app-badges img {
  height: 48px;
  border-radius: 10px;
  transition: transform 0.2s ease;
}

.app-badges a:hover img {
  transform: translateY(-2px);
}

/* FEATURES */
.features {
  padding: 96px 0;
  background: var(--surface);
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-title p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--background);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
}

.feature-card.business .feature-icon {
  background: var(--secondary-light);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* SECTIONS */
section.split {
  padding: 96px 0;
}

section.split:nth-child(even) {
  background: var(--surface);
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-text h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.split-text p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.split-text ul {
  list-style: none;
  margin-top: 24px;
}

.split-text ul li {
  padding-left: 32px;
  position: relative;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 16px;
}

.split-text ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: var(--surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.split-visual {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

/* CONTENT PAGES (legal, about, contact) */
.page-hero {
  padding: 80px 0 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--divider);
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.page-hero p.lead {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
}

.content {
  padding: 64px 0 96px;
  max-width: 800px;
  margin: 0 auto;
}

.content h2 {
  font-size: 24px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.content h2:first-child {
  margin-top: 0;
}

.content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.75;
}

.content ul, .content ol {
  margin-bottom: 16px;
  padding-left: 28px;
  color: var(--text-secondary);
}

.content ul li, .content ol li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.content blockquote {
  border-left: 3px solid var(--primary);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-primary);
}

.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
}

.content th, .content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--divider);
}

.content th {
  background: var(--surface-variant);
  font-weight: 600;
  color: var(--text-primary);
}

.locale-notice {
  margin-top: 48px;
  padding: 16px 20px;
  background: var(--surface-variant);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-secondary);
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.2s ease;
}

.contact-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.contact-card .label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  font-weight: 600;
}

.contact-card .value {
  font-size: 17px;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-word;
}

.contact-card .value a {
  color: var(--primary-dark);
}

/* FOOTER */
footer {
  background: var(--text-primary);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: var(--surface);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--surface);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* MOBILE */
@media (max-width: 768px) {
  .nav-links {
    gap: 18px;
  }

  .nav-links a:not(.lang-switch) {
    display: none;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .features, section.split {
    padding: 64px 0;
  }

  .split-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .split-row.reverse .split-visual {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

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