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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--color-primary);
  color: #fff;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-headline);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

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

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

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
  color: inherit;
  touch-action: manipulation;
}

/* ── Global focus ring (keyboard only) ─────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.text-primary {
  color: var(--color-primary-light);
}

.text-accent {
  color: var(--color-accent);
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
  text-transform: none;
  font-style: normal;
  display: inline-block;
}

/* ── Scroll-triggered fade-in animations ────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: var(--glow-primary); }
  50%      { box-shadow: var(--glow-primary-strong); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for child elements */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.10s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.20s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.30s; }

/* ── Grid background pattern ────────────────────────────────────────────── */
.grid-bg {
  position: relative;
}
.grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,197,94,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,197,94,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}