/* portfolio-website — custom styles beyond Tailwind utilities */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Inter:wght@400;500;600;700&display=swap');

:root {
  color-scheme: light;
}
html.dark {
  color-scheme: dark;
}

* {
  scrollbar-width: thin;
}

html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: 'Inter', sans-serif;
}
.font-display {
  font-family: 'Fraunces', serif;
}

/* Reveal-on-scroll: JS adds .is-visible when the element enters the viewport */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Timeline connector */
.timeline-item {
  position: relative;
  padding-left: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--tw-accent, #c9962f);
  background: rgb(201 150 47);
}
.timeline-item::after {
  content: '';
  position: absolute;
  left: 0.3rem;
  top: 1.1rem;
  bottom: -1.75rem;
  width: 1px;
  background: currentColor;
  opacity: 0.15;
}
.timeline-item:last-child::after {
  display: none;
}

/* Mobile menu */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
#mobile-menu.open {
  max-height: 24rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Form validation state */
.field-error {
  display: none;
}
.field-invalid .field-error {
  display: block;
}
.field-invalid input,
.field-invalid textarea {
  border-color: rgb(190 60 50) !important;
}

/* Project filter buttons */
.filter-btn[aria-pressed="true"] {
  background: rgb(201 150 47);
  color: #1b1810;
}