:root {
  --primary: #0D9488;
  --primary-light: #14B8A6;
  --primary-lighter: #5EEAD4;
  --primary-dark: #0F766E;
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --dark-bg: #0C1222;
  --dark-panel: #111827;
  --dark-card: #1F2937;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif; }

.ds-teal-ring { box-shadow: 0 0 0 1px rgba(13, 148, 136, 0.2), 0 10px 30px rgba(0, 0, 0, 0.25); }

.ds-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(13, 148, 136, 0.18);
  backdrop-filter: blur(8px);
}

.ds-dark-panel {
  background:
    radial-gradient(circle at top right, rgba(13, 148, 136, 0.12), transparent 30%),
    linear-gradient(180deg, #111827 0%, #0C1222 100%);
}

.ds-teal-text { color: #14B8A6; }
.ds-teal-bg { background-color: #0D9488; }
.ds-amber-bg { background-color: #F59E0B; }
.ds-amber-text { color: #F59E0B; }

.ds-hero-gradient {
  background:
    radial-gradient(circle at top right, rgba(13, 148, 136, 0.22), transparent 35%),
    radial-gradient(circle at left, rgba(245, 158, 11, 0.16), transparent 28%);
}

.ds-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes ds-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes ds-pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(13, 148, 136, 0.3); }
  50% { box-shadow: 0 0 40px rgba(13, 148, 136, 0.6); }
}

@keyframes ds-fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.ds-float { animation: ds-float 4s ease-in-out infinite; }
.ds-pulse-glow { animation: ds-pulse-glow 3s ease-in-out infinite; }
.ds-fade-in-up { animation: ds-fade-in-up 0.6s ease-out forwards; }

.ds-gradient-text {
  background: linear-gradient(135deg, #14B8A6, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ds-cta-gradient {
  background: linear-gradient(135deg, #0C1222 0%, #0F766E 50%, #0C1222 100%);
}

.ds-card-hover {
  transition: all 0.3s ease;
}
.ds-card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.ds-nav-link {
  position: relative;
  transition: color 0.2s ease;
}
.ds-nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: #0D9488;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
.ds-nav-link:hover::after {
  width: 100%;
}

.ds-section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(13, 148, 136, 0.3), transparent);
}

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