/* Importing Google Fonts - Instrument Sans + Instrument Serif */
@import url("https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Instrument+Serif:ital@1&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Instrument Sans", sans-serif;
}

:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --text: #15161c;
  --muted: #6a6d7c;
  --border: #e6e6e0;
  --accent: #2f5bff;
  --accent-soft: #eaefff;
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

body.no-scroll {
  overflow: hidden;
}

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

kbd {
  display: inline-block;
  min-width: 22px;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
}

/* ---------- Announcement bar ---------- */
.announce {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 48px;
  background: var(--text);
  color: #e9eaf2;
  font-size: 0.88rem;
  text-align: center;
}

.announce .pill {
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
}

.announce a {
  margin-left: 6px;
  color: #9db2ff;
  font-weight: 600;
}

.announce-close {
  position: absolute;
  right: 14px;
  border: 0;
  background: none;
  color: #9a9cb0;
  font-size: 0.85rem;
  cursor: pointer;
}

.announce.is-hidden {
  display: none;
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  transition: transform 0.4s var(--ease), background 0.3s, box-shadow 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

/* After scrolling: solid, blurred, with a hairline */
.header.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px -20px rgba(21, 22, 28, 0.25);
}

/* Scrolling down hides the header, scrolling up brings it back */
.header.is-hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background:
    radial-gradient(circle at 30% 30%, #8ea6ff, transparent 60%),
    linear-gradient(135deg, var(--accent), #7c3aed);
  box-shadow: inset 0 -6px 10px rgba(0, 0, 0, 0.2);
}

/* ---------- Desktop nav ---------- */
.nav {
  position: relative;
  flex: 1;
}

.nav-list {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-list > li {
  position: relative;
}

.nav-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 14px;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
}

.nav-link:focus-visible,
.search-btn:focus-visible,
.cta:focus-visible,
.burger:focus-visible {
  outline: 3px solid rgba(47, 91, 255, 0.35);
  outline-offset: 2px;
}

.chev {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.3s var(--ease);
}

.nav-link[aria-expanded="true"] .chev {
  transform: rotate(180deg);
}

/* Highlight that glides between hovered nav items (moved by script.js) */
.nav-hover {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--w, 0);
  border-radius: 10px;
  background: rgba(21, 22, 28, 0.06);
  opacity: 0;
  transform: translateX(var(--x, 0));
  transition: transform 0.3s var(--ease), width 0.3s var(--ease), opacity 0.2s;
  pointer-events: none;
}

.nav-hover.is-on {
  opacity: 1;
}

/* Dropdowns */
.menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 30px 60px -24px rgba(21, 22, 28, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.98);
  transform-origin: top left;
  transition: opacity 0.2s, transform 0.25s var(--ease), visibility 0.2s;
}

/* Invisible bridge so the menu doesn't close on the way down */
.menu::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}

.has-menu.is-open .menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.menu.list {
  display: grid;
  min-width: 280px;
}

.menu.list a,
.mega-item {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 12px;
  transition: background 0.2s;
}

.menu.list a:hover,
.menu.list a:focus-visible,
.mega-item:hover,
.mega-item:focus-visible {
  background: var(--bg);
  outline: none;
}

.menu b {
  font-size: 0.93rem;
  font-weight: 600;
}

.menu span {
  color: var(--muted);
  font-size: 0.83rem;
}

.menu.mega {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 10px;
  width: 760px;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.mega-item {
  grid-template-columns: 40px 1fr;
  column-gap: 12px;
  align-items: center;
}

.mega-item .mi-icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.mi-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mega-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  border-radius: 14px;
  background: linear-gradient(160deg, #1d2240, #2f2a6b);
  color: #fff;
  overflow: hidden;
}

.mega-feature span {
  color: #b8bde0;
}

.mega-feature strong {
  font-size: 1.05rem;
}

.mf-badge {
  align-self: flex-start;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff !important;
  font-size: 0.72rem !important;
  font-weight: 700;
}

.mf-art {
  display: grid;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
}

.mf-art i {
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(90deg, #6d8bff, #a78bfa);
  animation: grow 2.4s var(--ease) infinite alternate;
}

.mf-art i:nth-child(2) {
  width: 70%;
  animation-delay: 0.3s;
}

.mf-art i:nth-child(3) {
  width: 45%;
  animation-delay: 0.6s;
}

@keyframes grow {
  from {
    transform: scaleX(0.4);
    transform-origin: left;
  }
}

/* ---------- Right side ---------- */
.actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 210px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.search-btn:hover {
  border-color: #c9cad1;
}

.search-btn svg,
.drawer-search svg,
.palette-input svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.search-btn span {
  flex: 1;
  text-align: left;
}

.login {
  padding: 9px 12px;
  font-size: 0.95rem;
  font-weight: 500;
}

.cta {
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--text);
  color: #fff;
  font-size: 0.93rem;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.2s, background 0.2s;
}

.cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

/* Hamburger → X */
.burger {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
}

.burger span {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.35s var(--ease), opacity 0.2s;
}

.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 26px; }

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Mobile drawer ---------- */
.drawer {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 40;
  padding: 18px 20px 30px;
  background: var(--surface);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.25s, transform 0.3s var(--ease), visibility 0.25s;
}

.drawer.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.drawer-search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-bottom: 14px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--muted);
  font-size: 0.95rem;
  cursor: pointer;
}

.acc-btn,
.drawer-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 15px 4px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: none;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
}

.acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}

.acc-panel > div {
  overflow: hidden;
}

.acc-btn[aria-expanded="true"] + .acc-panel {
  grid-template-rows: 1fr;
}

.acc-panel a {
  display: block;
  padding: 10px 12px;
  color: var(--muted);
}

.drawer-cta {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  text-align: center;
}

.drawer-cta .login {
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* ---------- Command palette ---------- */
.palette {
  width: min(620px, calc(100% - 32px));
  margin: 12vh auto auto;
  padding: 0;
  border: 0;
  border-radius: 20px;
  background: transparent;
}

.palette::backdrop {
  background: rgba(21, 22, 28, 0.4);
  backdrop-filter: blur(4px);
}

.palette[open] .palette-box {
  animation: pop 0.22s var(--ease);
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.97) translateY(-6px);
  }
}

.palette-box {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 40px 100px -30px rgba(21, 22, 28, 0.5);
  overflow: hidden;
}

.palette-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.palette-input input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 1.05rem;
  outline: none;
}

.palette-list {
  max-height: min(380px, 50vh);
  padding: 8px;
  overflow-y: auto;
  list-style: none;
}

.palette-group {
  padding: 10px 10px 6px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.95rem;
  cursor: pointer;
}

.palette-item .pi-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--bg);
  font-size: 0.95rem;
}

.palette-item small {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.78rem;
}

.palette-item mark {
  background: none;
  color: var(--accent);
  font-weight: 700;
}

.palette-item[aria-selected="true"] {
  background: var(--accent-soft);
}

.palette-item[aria-selected="true"] .pi-icon {
  background: var(--surface);
}

.palette-empty {
  padding: 30px;
  color: var(--muted);
  text-align: center;
}

.palette-foot {
  display: flex;
  gap: 18px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.78rem;
}

.palette-foot kbd {
  margin-right: 3px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--text);
  color: #fff;
  font-size: 0.92rem;
  opacity: 0;
  transform: translate(-50%, 16px);
  transition: opacity 0.3s, transform 0.3s var(--ease);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Demo page ---------- */
.demo {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px 120px;
}

.hero {
  max-width: 760px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 16px 0;
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero h1 em {
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  color: var(--accent);
}

.hero p {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.65;
}

.blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 70px;
}

.blocks div {
  height: 260px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(160deg, var(--surface), #f0f0ea);
}

.blocks div:nth-child(1),
.blocks div:nth-child(6) {
  grid-column: span 2;
  background: linear-gradient(160deg, #e9eeff, #f4ecff);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .search-btn {
    width: auto;
  }

  .search-btn span,
  .search-btn kbd {
    display: none;
  }

  .menu.mega {
    width: 620px;
    grid-template-columns: 1fr;
  }

  .mega-feature {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav,
  .actions > .login,
  .actions > .cta {
    display: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  .burger {
    display: block;
  }

  .blocks {
    grid-template-columns: 1fr;
  }

  .blocks div:nth-child(1),
  .blocks div:nth-child(6) {
    grid-column: auto;
  }

  .announce {
    padding: 10px 40px 10px 16px;
    font-size: 0.8rem;
  }

  .palette-foot {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}