/* Esla International — global design tokens & base styles */

:root {
  --radius: 1rem;

  --color-background: #fafbfc;
  --color-foreground: #0f172a;
  --color-card: #ffffff;
  --color-card-foreground: #0f172a;
  --color-popover: #ffffff;
  --color-popover-foreground: #0f172a;
  --color-primary: #3b82f6;
  --color-primary-foreground: #ffffff;
  --color-secondary: #e8ecf1;
  --color-secondary-foreground: #0f172a;
  --color-muted: #e8ecf1;
  --color-muted-foreground: #94a3b8;
  --color-accent: #3b82f6;
  --color-accent-foreground: #ffffff;
  --color-destructive: #dc2626;
  --color-destructive-foreground: #ffffff;
  --color-border: #e2e6ec;
  --color-input: #e2e6ec;
  --color-ring: #3b82f6;
  --color-brand: #3b82f6;
  --color-brand-foreground: #ffffff;
  --color-brand-accent: #0f172a;
  --color-surface: #e8ecf1;
  --color-surface-foreground: #0f172a;

  --color-pop-1: #3b82f6; /* blue */
  --color-pop-2: #14b8a6; /* teal-green */
  --color-pop-3: #f2a93c; /* amber */
  --color-pop-4: #db2777; /* magenta */

  --gradient-brand: linear-gradient(135deg, #3b82f6, #1e3a8a);
  --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #94a3b8 100%);
  --gradient-soft: linear-gradient(135deg, #e8ecf1 0%, #fafbfc 100%);
  --shadow-soft: 0 10px 30px -12px rgba(59, 130, 246, 0.25);
  --shadow-elegant: 0 32px 64px -16px rgba(148, 163, 184, 0.18);
  --shadow-glass: 0 20px 50px -20px rgba(15, 23, 42, 0.18);
}

* { border-color: var(--color-border); }

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-background);
  color: var(--color-foreground);
  font-family: "Manrope", ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Sora", "Manrope", sans-serif;
  letter-spacing: -0.025em;
}

/* Utility classes referencing tokens above (for arbitrary-value CDN classes) */
.bg-background { background-color: var(--color-background); }
.text-foreground { color: var(--color-foreground); }

@keyframes blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-blob { animation: blob 12s ease-in-out infinite; }
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-fade-in { animation: fade-in 0.4s ease-out; }

/* Lazy-reveal-on-scroll (progressive enhancement; content is visible without JS) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* Image lazy-load fade-in */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease-out;
}
img[loading="lazy"].img-loaded,
img[loading="lazy"].img-cached {
  opacity: 1;
}

::selection {
  background: var(--color-brand);
  color: var(--color-brand-foreground);
}

#category-filters .cat-btn:not(.bg-brand):hover {
  color: #000;
}