/* ============================================================
   OMNI RESUME — LAYOUT
   Containers, grids, header, footer, section rhythm.
   ============================================================ */

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

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

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

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

@media (min-width: 768px) {
  .container { padding-inline: var(--sp-8); }
}

@media (min-width: 1280px) {
  .container { padding-inline: var(--sp-10); }
}

/* ---------- Section rhythm ---------- */
.section {
  padding-block: var(--sp-16);
  position: relative;
}

@media (min-width: 768px) {
  .section { padding-block: var(--sp-20); }
}

@media (min-width: 1024px) {
  .section { padding-block: var(--sp-24); }
}

.section--tight { padding-block: var(--sp-12); }
.section--flush { padding-block: 0; }
.section--muted { background: var(--c-bg-subtle); }
.section--inverse {
  background: var(--c-neutral-900);
  color: var(--c-text-invert);
}
.section--inverse h1,
.section--inverse h2,
.section--inverse h3,
.section--inverse h4 { color: var(--c-text-invert); }

.section__head {
  max-width: 760px;
  margin-bottom: var(--sp-10);
}

@media (min-width: 1024px) {
  .section__head { margin-bottom: var(--sp-14); }
}

.section__head--split {
  max-width: none;
  display: grid;
  gap: var(--sp-5);
  align-items: end;
}

@media (min-width: 768px) {
  .section__head--split {
    grid-template-columns: 1fr auto;
    gap: var(--sp-8);
  }
}

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

.section__head--center .section__title,
.section__head--center .section__lead {
  margin-inline: auto;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-2);
  z-index: var(--z-max);
  padding: var(--sp-3) var(--sp-5);
  background: var(--c-primary-700);
  color: var(--c-white);
  font-weight: var(--fw-semibold);
  border-radius: var(--r-md);
  transform: translateY(-200%);
  transition: transform var(--tr-base);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--c-white);
  text-decoration: none;
  box-shadow: var(--sh-lg);
}

/* ---------- Announce bar ---------- */
.announce-bar {
  background: linear-gradient(90deg, var(--c-primary-700), var(--c-primary-600));
  color: var(--c-white);
  font-size: var(--fs-sm);
  position: relative;
  z-index: var(--z-raised);
}

.announce-bar__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-block: var(--sp-3);
  min-height: 40px;
}

.announce-bar__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--r-full);
  background: var(--c-accent-300);
  box-shadow: 0 0 0 4px rgba(127, 209, 255, 0.25);
  flex-shrink: 0;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

.announce-bar__text {
  flex: 1;
  margin: 0;
  line-height: 1.35;
  color: inherit;
}

.announce-bar__text a {
  color: var(--c-white);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: var(--fw-semibold);
}

.announce-bar__text a:hover {
  color: var(--c-accent-300);
}

.announce-bar__close {
  color: inherit;
  padding: var(--sp-1);
  border-radius: var(--r-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
  transition: opacity var(--tr-fast), background var(--tr-fast);
}

.announce-bar__close:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border-subtle);
  transition: box-shadow var(--tr-base), border-color var(--tr-base);
}

.site-header[data-scrolled="true"] {
  box-shadow: var(--sh-sm);
  border-bottom-color: var(--c-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  min-height: var(--header-h);
  padding-block: var(--sp-3);
}

@media (min-width: 1024px) {
  .site-header__inner {
    min-height: var(--header-h-lg);
    gap: var(--sp-8);
  }
}

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
  border-radius: var(--r-md);
  padding: var(--sp-1);
  transition: transform var(--tr-fast);
}

.brand:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand__wordmark {
  display: inline-flex;
  align-items: baseline;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--c-text-strong);
  line-height: 1;
}

.brand__name {
  color: var(--c-text-strong);
}

.brand__name--accent {
  color: var(--c-primary-600);
  margin-left: 1px;
}

.brand--invert .brand__name {
  color: var(--c-white);
}

.brand--invert .brand__name--accent {
  color: var(--c-accent-300);
}

/* ---------- Primary nav ---------- */
.primary-nav {
  display: none;
  flex: 1;
}

@media (min-width: 1024px) {
  .primary-nav { display: block; }
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav__list > li {
  position: relative;
}

.primary-nav__list > li > a {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-text);
  border-radius: var(--r-md);
  transition: color var(--tr-fast), background var(--tr-fast);
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav__list > li > a:hover,
.primary-nav__list > li > a[aria-expanded="true"] {
  color: var(--c-primary-700);
  background: var(--c-primary-50);
  text-decoration: none;
}

/* ---------- Mega menu ---------- */
.mega-menu {
  position: absolute;
  top: calc(100% + var(--sp-3));
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  width: min(920px, calc(100vw - 3rem));
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-xl);
  padding: var(--sp-6);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--tr-base), transform var(--tr-base), visibility var(--tr-base);
}

.has-mega:hover > .mega-menu,
.has-mega:focus-within > .mega-menu,
.has-mega > a[aria-expanded="true"] + .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu__col h4 {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--c-text-subtle);
  margin-bottom: var(--sp-3);
}

.mega-menu__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.mega-menu__col a {
  display: block;
  padding: var(--sp-2) var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-text);
  border-radius: var(--r-sm);
  transition: color var(--tr-fast), background var(--tr-fast), padding-left var(--tr-fast);
  text-decoration: none;
}

.mega-menu__col a:hover {
  color: var(--c-primary-700);
  background: var(--c-primary-50);
  padding-left: var(--sp-3);
  text-decoration: none;
}

.mega-menu__col--feature {
  border-left: 1px solid var(--c-border-subtle);
  padding-left: var(--sp-6);
}

.mega-feature {
  display: block;
  padding: var(--sp-4);
  background: linear-gradient(135deg, var(--c-primary-50), var(--c-white));
  border: 1px solid var(--c-primary-100);
  border-radius: var(--r-lg);
  transition: transform var(--tr-base), box-shadow var(--tr-base);
}

.mega-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
  text-decoration: none;
}

.mega-feature__badge {
  display: inline-block;
  font-size: var(--fs-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wider);
  color: var(--c-white);
  background: var(--c-primary-600);
  padding: 2px 6px;
  border-radius: var(--r-xs);
  margin-bottom: var(--sp-2);
}

.mega-feature strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--c-text-strong);
  margin-bottom: var(--sp-1);
}

.mega-feature span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  line-height: var(--lh-snug);
}

/* ---------- Header actions ---------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-left: auto;
}

.header-actions .btn--sm {
  display: none;
}

@media (min-width: 640px) {
  .header-actions .btn--sm { display: inline-flex; }
}

/* ---------- Mobile nav ---------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  justify-content: flex-end;
}

.mobile-nav[hidden] { display: none; }

.mobile-nav__panel {
  width: min(360px, 90vw);
  height: 100%;
  background: var(--c-white);
  display: flex;
  flex-direction: column;
  box-shadow: var(--sh-2xl);
  animation: slideInRight var(--tr-slow) both;
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

.mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5);
  border-bottom: 1px solid var(--c-border-subtle);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
}

.mobile-nav__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-4) var(--sp-5);
}

.mobile-nav__body ul {
  display: flex;
  flex-direction: column;
}

.mobile-nav__body li + li {
  border-top: 1px solid var(--c-border-subtle);
}

.mobile-nav__body a {
  display: block;
  padding: var(--sp-4) 0;
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--c-text-strong);
  text-decoration: none;
}

.mobile-nav__body a:hover {
  color: var(--c-primary-700);
}

.mobile-nav__foot {
  padding: var(--sp-5);
  border-top: 1px solid var(--c-border-subtle);
  background: var(--c-bg-subtle);
}

/* ---------- Search overlay ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--c-backdrop);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  padding-inline: var(--sp-4);
  animation: fadeIn var(--tr-base) both;
}

.search-overlay[hidden] { display: none; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.search-overlay__panel {
  width: min(640px, 100%);
  background: var(--c-white);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-2xl);
  overflow: hidden;
  animation: scaleUp var(--tr-base) both;
}

@keyframes scaleUp {
  from { transform: translateY(-8px) scale(0.98); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.search-overlay__head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--c-border-subtle);
  color: var(--c-text-subtle);
}

.search-overlay__head input {
  flex: 1;
  font-size: var(--fs-lg);
  color: var(--c-text-strong);
  padding: var(--sp-1);
  background: transparent;
}

.search-overlay__head input::placeholder {
  color: var(--c-text-subtle);
}

.search-overlay__body {
  max-height: 55vh;
  overflow-y: auto;
  padding: var(--sp-3);
}

.search-overlay__foot {
  padding: var(--sp-3) var(--sp-5);
  border-top: 1px solid var(--c-border-subtle);
  background: var(--c-bg-subtle);
  font-size: var(--fs-xs);
  color: var(--c-text-subtle);
}

.search-overlay__foot kbd {
  display: inline-block;
  padding: 1px 5px;
  font-size: var(--fs-2xs);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xs);
}

/* ---------- Main ---------- */
main {
  outline: none;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-neutral-900);
  color: var(--c-neutral-300);
  padding-top: var(--sp-16);
  margin-top: auto;
}

.site-footer--minimal {
  padding-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  padding-bottom: var(--sp-12);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(6, 1fr);
    gap: var(--sp-8);
  }
}

.footer-brand {
  max-width: 340px;
}

@media (min-width: 640px) and (max-width: 1023px) {
  .footer-brand {
    grid-column: span 2;
  }
}

.footer-brand__text {
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  color: var(--c-neutral-400);
}

.footer-brand__social {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

.footer-brand__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--c-neutral-300);
  border-radius: var(--r-full);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: color var(--tr-fast), background var(--tr-fast), transform var(--tr-fast), border-color var(--tr-fast);
}

.footer-brand__social a:hover {
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.footer-col h3 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--c-white);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--sp-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-col a {
  font-size: var(--fs-sm);
  color: var(--c-neutral-400);
  transition: color var(--tr-fast), padding-left var(--tr-fast);
  display: inline-block;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--c-white);
  padding-left: 4px;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--fs-xs);
  color: var(--c-neutral-500);
}

.footer-bottom__copy {
  color: var(--c-neutral-500);
  margin: 0;
}

.footer-bottom__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer-bottom__links a {
  color: var(--c-neutral-500);
  text-decoration: none;
}

.footer-bottom__links a:hover {
  color: var(--c-white);
}

/* ---------- Grid helpers ---------- */
.grid {
  display: grid;
  gap: var(--sp-6);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Sticky / fixed helpers ---------- */
.sticky-top { position: sticky; top: var(--header-h); }
.fixed-bottom { position: fixed; bottom: 0; left: 0; right: 0; }