@import url("./variables.css");

@font-face {
  font-family: "Ductus";
  src: url("../fonts/DuctusRegular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "BBBDMSans";
  src: url("../fonts/BBBDMSans-Light.otf") format("opentype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "BBBDMSans";
  src: url("../fonts/BBBDMSans-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "BBBDMSans";
  src: url("../fonts/BBBDMSans-Medium.otf") format("opentype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "BBBDMSans";
  src: url("../fonts/BBBDMSans-Bold.otf") format("opentype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
}

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

a:hover {
  text-decoration: none;
}

/* ============================================================
   HEADER / NAV BAR (public pages)
   ============================================================ */
body > header {
  flex-shrink: 0;
  background: linear-gradient(
    180deg,
    var(--gradient-1) 0%,
    var(--gradient-2) 33%,
    var(--gradient-3) 66%,
    var(--gradient-4) 100%
  );
}

body > header nav {
  padding: var(--space-s) var(--space-s);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--step-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-foreground);
  text-decoration: none;
  text-shadow:
    0 0 16px var(--header-shadow-strong),
    0 0 32px var(--header-shadow-soft);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-l);
}

.nav-left-links,
.nav-right-links {
  display: flex;
  gap: var(--space-l);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

body > header nav > a {
  font-family: var(--font-display);
  font-size: var(--step-0);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-foreground);
  text-decoration: none;
}

body > header nav > ul {
  display: flex;
  gap: var(--space-l);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

body > header nav ul a {
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-foreground);
  text-decoration: none;
  transition: opacity 0.15s;
}

/* Subtle shadow on all header text to improve legibility against the gradient */
body > header nav > a,
body > header nav ul a {
  text-shadow:
    0 0 16px var(--header-shadow-strong),
    0 0 32px var(--header-shadow-soft);
}

body > header nav ul a:hover {
  opacity: 1;
}

body > header nav ul a[aria-current="page"] {
  opacity: 1;
  border-bottom: 1px solid var(--header-nav-active-border);
  padding-bottom: 1px;
}

/* ============================================================
   SEARCH BAR (shared)
   ============================================================ */
.header-search-wrap {
  padding: 0 0;
  background-color: var(--gradient-4);

  background: linear-gradient(
    180deg,
    var(--gradient-4) 0%,
    #ffffffee 100%
  );
}

.header-search-wrap form[role="search"] {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-3xs) var(--space-s);
  border: 1px solid var(--accent-primary);
  border-radius: 10px;
  background: var(--bg-primary);
  width: 100%;
  color: var(--accent-primary);
}

.header-search-wrap form[role="search"] svg {
  color: var(--text-tertiary);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  stroke: var(--accent-primary);
}

.header-search-wrap form[role="search"] input {
  flex: 1;
  border: none;
  font-size: var(--step--1);
  color: var(--text-primary);
  background: transparent;
  padding: var(--space-3xs) 0;
  font-family: inherit;
}

.header-search-wrap form[role="search"] input::placeholder {
  color: var(--accent-primary);
}

/* ============================================================
   ACCESSIBILITY UTILITIES
   ============================================================ */

/* Visually-hidden but screen-reader-accessible */
.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;
}

/* Skip-to-content link (visible only on keyboard focus) */
.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  z-index: 9999;
  padding: var(--space-2xs) var(--space-s);
  background: var(--accent-primary);
  color: var(--text-primary);
  font-size: var(--step--1);
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
}

.skip-link:focus {
  top: 0;
}

/* Consistent keyboard-focus outline for all interactive elements */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}