:root {
  --bg: #f6f7ff;
  --bg-alt: #ffffff;
  --card: rgba(255, 255, 255, 0.82);
  --primary: #5860ff;
  --primary-soft: #9ea5ff;
  --accent: #32d8c4;
  --text-strong: #1a2551;
  --text: #33416b;
  --text-muted: #6b7798;
  --shadow: 0 20px 45px rgba(55, 69, 146, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "SF Pro Display", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(140deg, #f6f7ff 0%, #f8fbff 42%, #eef2ff 100%);
  color: var(--text);
  overflow-x: hidden;
}

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

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

.page {
  position: relative;
  isolation: isolate;
}

.page::before,
.page::after {
  content: "";
  position: fixed;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at center, rgba(152, 161, 255, 0.28) 0%, rgba(152, 161, 255, 0) 70%);
  z-index: -1;
  filter: blur(10px);
}

.page::before {
  top: -60px;
  left: -40px;
}

.page::after {
  bottom: -120px;
  right: -80px;
}

.max-width {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

header {
  padding: 28px 0 18px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-strong);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(88, 96, 255, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-links .cta-button {
  color: #fff;
}

.nav-links a:hover {
  color: var(--text-strong);
}

.lang-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid rgba(88, 96, 255, 0.25);
  border-radius: 999px;
  background: rgba(88, 96, 255, 0.08);
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-strong);
  cursor: pointer;
  padding: 0;
}

.lang-select:focus {
  outline: none;
}

.cta-button {
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 14px 26px rgba(88, 96, 255, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(88, 96, 255, 0.32);
}

.hero {
  padding: 48px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

.hero-content {
  max-width: 620px;
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(88, 96, 255, 0.08);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.7rem);
  line-height: 1.05;
  margin: 22px 0 18px;
  color: var(--text-strong);
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-actions .secondary {
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(50, 216, 196, 0.12);
  color: var(--text-strong);
  font-weight: 600;
  border: 1px solid rgba(50, 216, 196, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-actions .secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(50, 216, 196, 0.2);
}

.hero-actions .coin-link {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(88, 96, 255, 0.24);
  background: rgba(88, 96, 255, 0.12);
  color: var(--primary);
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-actions .coin-link:hover {
  transform: translateY(-2px);
  background: rgba(88, 96, 255, 0.18);
  box-shadow: 0 12px 24px rgba(88, 96, 255, 0.18);
}

.hero-actions .lazying-link {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(50, 216, 196, 0.4);
  background: rgba(50, 216, 196, 0.14);
  color: var(--text-strong);
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-actions .lazying-link:hover {
  transform: translateY(-2px);
  background: rgba(50, 216, 196, 0.22);
  box-shadow: 0 12px 24px rgba(50, 216, 196, 0.18);
}

.hero-card {
  position: relative;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.6) 100%);
  box-shadow: 0 22px 50px rgba(67, 69, 111, 0.2);
  display: grid;
  gap: 18px;
  backdrop-filter: blur(18px);
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: none;
}

.hero-card h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-strong);
}

.hero-timeline {
  display: grid;
  gap: 14px;
}

.hero-timeline-item {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.hero-timeline-item span {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}

.hero-timeline-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
}

.section {
  padding: 70px 0;
}

.section-heading {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  color: var(--text-strong);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-heading p {
  color: var(--text-muted);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
  padding: 26px;
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  display: grid;
  gap: 12px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: rgba(88, 96, 255, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  color: var(--primary);
}

.feature-card h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-strong);
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  align-items: start;
}

.flow-diagram {
  padding: 30px;
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.86) 0%, rgba(255, 255, 255, 0.55) 100%);
  box-shadow: var(--shadow);
  display: grid;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.flow-diagram::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  pointer-events: none;
}

.flow-diagram h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 1.2rem;
}

.flow-steps {
  display: grid;
  gap: 16px;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.step-number {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(88, 96, 255, 0.14);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.95rem;
}

.flow-step p {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.hardware-card,
.app-card {
  padding: 32px;
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow);
  display: grid;
  gap: 20px;
  position: relative;
  backdrop-filter: blur(10px);
}

.hardware-card::after,
.app-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  pointer-events: none;
}

.hardware-badges,
.app-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.pill {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(152, 161, 255, 0.16);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dual-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.ecosystem {
  padding: 30px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(152, 161, 255, 0.25);
  box-shadow: var(--shadow);
  display: grid;
  gap: 20px;
}

.ecosystem-list {
  display: grid;
  gap: 12px;
}

.ecosystem-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(88, 96, 255, 0.08);
  color: var(--text-strong);
  font-weight: 600;
}

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

.quote-card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.6);
  display: grid;
  gap: 16px;
}

.quote-card p {
  margin: 0;
  line-height: 1.7;
}

.quote-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.cta-final {
  text-align: center;
  padding: 70px 0 90px;
}

.cta-final .cta-card {
  padding: 48px;
  border-radius: 32px;
  background: linear-gradient(130deg, rgba(88, 96, 255, 0.92) 0%, rgba(50, 216, 196, 0.92) 100%);
  color: #fff;
  display: grid;
  gap: 18px;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(66, 80, 200, 0.38);
}

.cta-final .cta-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 80%);
  pointer-events: none;
}

.cta-final h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin: 0;
}

.cta-final p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.7;
}

.cta-final .cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  z-index: 1;
}

.cta-final .cta-actions a {
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.62);
  transition: transform 0.2s ease;
}

.cta-final .cta-actions a.primary {
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary);
}

.cta-final .cta-actions a.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.cta-final .cta-actions a:hover {
  transform: translateY(-2px);
}

footer {
  padding: 40px 0;
  border-top: 1px solid rgba(152, 161, 255, 0.2);
  margin-top: 40px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.mobile-nav-button {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: none;
  background: rgba(88, 96, 255, 0.12);
  color: var(--primary);
  font-size: 1.2rem;
}

@media (max-width: 880px) {
  .nav-links {
    position: absolute;
    top: 78px;
    left: 4vw;
    right: 4vw;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 20px 40px rgba(54, 66, 120, 0.16);
    border-radius: 20px;
    display: grid;
    gap: 14px;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links .cta-button {
    justify-content: center;
  }

  .lang-wrap {
    margin-left: auto;
  }

  .mobile-nav-button {
    display: inline-flex;
  }

  .nav {
    position: relative;
  }
}

@media (max-width: 700px) {
  .hero {
    padding: 32px 0 56px;
  }

  .hero-card {
    padding: 24px;
  }

  .section {
    padding: 56px 0;
  }

  .flow-diagram,
  .hardware-card,
  .app-card,
  .ecosystem,
  .cta-final .cta-card {
    padding: 26px;
  }

  .cta-final .cta-actions a {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .lang-wrap {
    padding: 4px 8px;
  }

  .lang-select {
    font-size: 0.8rem;
  }
}