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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-primary);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-normal);
}

p:last-child {
  margin-bottom: 0;
}

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

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding: var(--section-padding-y-mobile) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--section-padding-y) 0;
  }
}

.bg-light {
  background-color: var(--color-bg-light);
}

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

.bg-primary h2,
.bg-primary h3,
.bg-primary h4,
.bg-primary p {
  color: var(--color-text-light);
}

@media (min-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
}

@media (min-width: 1024px) {
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }
}

.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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-modal);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  font-family: var(--font-heading);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ═══════════════════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ═══════════════════════════════════════════════════════ */

/* Fade-up (default) — sections, rows */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fade-left (from right) */
.reveal-left {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Fade-right (from left) */
.reveal-right {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale-in (cards) */
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* ── Staggered delays for grids ── */
.reveal-stagger > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.4s; }
.reveal-stagger > *:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger > *:nth-child(8) { transition-delay: 0.56s; }
.reveal-stagger > *:nth-child(9) { transition-delay: 0.64s; }
.reveal-stagger > *:nth-child(10) { transition-delay: 0.72s; }
.reveal-stagger > *:nth-child(11) { transition-delay: 0.8s; }
.reveal-stagger > *:nth-child(12) { transition-delay: 0.88s; }
.reveal-stagger > *:nth-child(13) { transition-delay: 0.96s; }
.reveal-stagger > *:nth-child(14) { transition-delay: 1.04s; }
.reveal-stagger > *:nth-child(15) { transition-delay: 1.12s; }

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}