/* ============================================================
   DOS2026 — Base & Reset
   ============================================================ */

/* Raleway: geometric display — DocuWare-matched enterprise heading font */
/* Nunito Sans: humanist body — clean, professional, excellent readability */
@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@500;600;700;800;900&family=Nunito+Sans:ital,opsz,wght@0,6..12,300;0,6..12,400;0,6..12,500;0,6..12,600;1,6..12,400&display=swap');
@import 'variables.css';

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

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

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

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

img {
  object-fit: cover;
}

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

ul, ol {
  list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-blue);
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

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

/* ── Section wrapper ── */
.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}

.section--white   { background-color: var(--color-white); }
.section--grey    { background-color: var(--color-off-white); }
.section--dark    { background-color: var(--color-navy); color: var(--color-white); }
.section--blue    { background-color: var(--color-blue); color: var(--color-white); }
.section--charcoal { background-color: var(--color-charcoal); color: var(--color-white); }

/* ── Section header ── */
.section__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: var(--space-4);
}

.section__heading {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  margin-bottom: var(--space-4);
  max-width: 40ch;
}

.section__subheading {
  font-size: var(--text-lg);
  color: var(--color-grey-mid);
  max-width: 55ch;
  margin-bottom: var(--space-10);
  line-height: var(--leading-normal);
}

.section--dark .section__heading,
.section--blue .section__heading,
.section--charcoal .section__heading {
  color: var(--color-white);
}

.section--dark .section__subheading,
.section--blue .section__subheading,
.section--charcoal .section__subheading {
  color: rgba(255, 255, 255, 0.65);
}

/* ── Divider ── */
.divider {
  width: 3rem;
  height: 3px;
  background-color: var(--color-red);
  margin-bottom: var(--space-6);
}

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-6); }

/* ── Screen reader only ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── 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;
  }
}

/* ── Scroll animation base ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay helpers */
.fade-up--delay-1 { transition-delay: 100ms; }
.fade-up--delay-2 { transition-delay: 200ms; }
.fade-up--delay-3 { transition-delay: 300ms; }
.fade-up--delay-4 { transition-delay: 400ms; }