/* ══════════════════════════════════════════════
   base.css — Reset, globals, typography
   ══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Manrope:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  transition: background var(--transition-slow), color var(--transition-slow);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--clr-text);
}

p { color: var(--clr-text-2); }

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--clr-accent2); }

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

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section title */
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 2.5rem;
  text-align: center;
}
.section-title span { color: var(--clr-accent); }

/* Selection */
::selection {
  background: var(--clr-accent);
  color: #fff;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
}

/* Spinner */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.spinner--sm {
  width: 18px; height: 18px;
  border-width: 2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Utility */
.text-accent { color: var(--clr-accent); }
.text-muted  { color: var(--clr-muted); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* Smooth theme transition */
.theme-transitioning * {
  transition: background-color var(--transition-slow), border-color var(--transition-slow), color var(--transition-slow) !important;
}