:root {
  color-scheme: dark;
  --bg: #090b11;
  --surface: rgba(18, 22, 35, 0.92);
  --surface-strong: #12182e;
  --surface-soft: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #f5f7ff;
  --muted: #a7b0ce;
  --accent: #ffd43b;
  --accent-soft: rgba(255, 212, 59, 0.14);
  --accent-strong: #fddc58;
  --shadow: 0 35px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top, rgba(255, 212, 59, 0.08), transparent 28%),
    linear-gradient(180deg, #08101f 0%, #090b11 45%, #05060a 100%);
  color: var(--text);
  min-height: 100vh;
}

button,
a {
  font: inherit;
}

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

.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  backdrop-filter: blur(24px);
  background: rgba(9, 11, 17, 0.88);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.brand-mark {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #265f9a, #dba923);
  box-shadow: 0 15px 40px rgba(45, 85, 149, 0.22);
  object-fit: contain;
  padding: 4px;
}

.brand-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-sub {
  font-size: 0.83rem;
  color: var(--muted);
}

.language-switcher {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.lang-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  padding: 0.75rem 1rem;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.lang-btn.is-active,
.lang-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(255, 212, 59, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: 2rem 0;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--accent);
  font-size: 0.77rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
}

h1 {
  font-size: clamp(3rem, 4.2vw, 4.8rem);
  line-height: 0.98;
  margin: 0 0 1.3rem;
}

.hero-copy,
.section-copy,
.contact-copy,
.feature-card p,
.timeline-item p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #111;
  font-weight: 700;
}

.btn-secondary,
.btn-outline {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.hero-tagline {
  margin-top: 1.4rem;
  color: var(--muted);
}

.hero-visual {
  position: relative;
}

.hero-logo-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 40px;
  background: linear-gradient(135deg, rgba(255, 212, 59, 0.12), rgba(48, 105, 152, 0.08));
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.35),
              inset 0 1px 1px rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 212, 59, 0.15);
  overflow: hidden;
  perspective: 1000px;
}

.hero-logo-card::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 212, 59, 0.25), transparent 35%),
              radial-gradient(circle at 70% 70%, rgba(48, 105, 152, 0.15), transparent 35%);
  animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.04); }
  28% { transform: scale(1); }
  42% { transform: scale(1.04); }
  70% { transform: scale(1); }
}

@keyframes coinFlip {
  0%, 100% { transform: rotateY(0deg); }
  25% { transform: rotateY(20deg); }
  50% { transform: rotateY(0deg); }
  75% { transform: rotateY(-20deg); }
}

.hero-logo {
  position: relative;
  z-index: 1;
  width: 90%;
  height: 90%;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: coinFlip 6s ease-in-out infinite;
  transform-style: preserve-3d;
}

.section {
  padding: 4rem 0;
}

.section--dark {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 32px;
  margin: 2rem 0;
  padding: 4rem 2rem;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
}

.section-header {
  max-width: 700px;
  margin-bottom: 2rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
}

.section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin: 0.75rem 0 0;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.cards-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  padding: 1.8rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 212, 59, 0.18);
}

.feature-icon {
  font-size: 1.7rem;
  margin-bottom: 1rem;
}

.timeline {
  display: grid;
  gap: 1.5rem;
}

.timeline-item {
  padding: 1.8rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline-step {
  display: inline-flex;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(255, 212, 59, 0.08);
}

.banner-section {
  margin-top: 3rem;
  overflow: hidden;
  border-radius: 28px;
}

.banner-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 28px;
  transition: transform 0.3s ease;
  animation: heartbeat 2.8s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
  transform-origin: center;
}

.banner-image:hover {
  animation: none;
  transform: scale(1.02);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-card {
  padding: 2rem;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-label {
  margin-top: 1.4rem;
  display: block;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-card a,
.contact-card span {
  display: block;
  margin-top: 0.45rem;
  color: var(--text);
  font-weight: 600;
}

.site-footer {
  margin: 3rem 0 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .cards-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    gap: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}