/* ==========================================
   Nebraska Striping — Global Styles
   ========================================== */

/* --- Base --- */
body {
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  font-size: var(--fs-base);
  color: var(--color-neutral-dark);
  background-color: var(--color-white);
  padding-top: var(--header-height);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: var(--fw-extrabold);
  color: var(--color-primary);
}

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

@media (min-width: 768px) {
  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }
  h3 { font-size: var(--fs-2xl); }
}

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

p {
  line-height: var(--lh-normal);
  max-width: 65ch;
}

.text-center { text-align: center; }
.text-center p { margin-inline: auto; }

/* --- Links --- */
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-base);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: background-color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
  text-align: center;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background-color: var(--color-neutral-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

@media (max-width: 767px) {
  .btn--full-mobile {
    width: 100%;
  }
}

/* --- Sections --- */
.section {
  padding-block: var(--space-3xl);
}

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

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-4xl);
  }
}

/* --- Section Headers --- */
.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__subtitle {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__header p {
  margin-top: var(--space-md);
  margin-inline: auto;
  color: inherit;
  opacity: 0.85;
  font-size: var(--fs-md);
}

/* --- Cards --- */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* --- Placeholder Images --- */
.placeholder-img {
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.placeholder-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255,255,255,0.03) 10px,
    rgba(255,255,255,0.03) 20px
  );
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: 1000;
  font-weight: var(--fw-bold);
}

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

/* --- Visually Hidden (SR 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;
}