/* ====================================================
   NAVIGATION
==================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  transition: padding 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 14px 10px 20px;
  border-radius: var(--r-pill);
  background: var(--surface-glass);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--border);
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}
.nav.scrolled .nav-inner { box-shadow: var(--shadow-1); }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: var(--fs-base);
  letter-spacing: -0.02em;
}
.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: url("../assets/app-icon.png") center / cover no-repeat;
  box-shadow: 0 0 0 1px var(--border-strong), 0 4px 14px rgba(107, 91, 255, 0.25);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-sm);
  color: var(--fg-2);
}
.nav-links a {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  transition: color 0.25s var(--ease-out), background 0.25s var(--ease-out);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--fg); background: var(--surface); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-1);
  transition: background 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}
.theme-toggle:hover { background: var(--surface-strong); }
.theme-toggle svg { width: 16px; height: 16px; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

@media (max-width: 820px) {
  .nav-links { display: none; }
}
@media (max-width: 700px) {
  .nav-actions .btn-ghost { display: none; }
}
@media (max-width: 1000px) {
  .nav-inner { padding-left: 14px; padding-right: 10px; gap: 12px; }
  .brand .tag { display: none; }
}

/* ====================================================
   HERO
==================================================== */
.hero {
  position: relative;
  padding-top: clamp(112px, 11vw, 156px);
  padding-bottom: clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.hero-aurora { display: none; }
.hero-aurora {
  position: absolute;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
}
.hero-aurora .b1 { width: 720px; height: 720px; left: -8%; top: -8%; background: radial-gradient(circle, var(--aurora-1) 0%, transparent 60%); }
.hero-aurora .b2 { width: 640px; height: 640px; right: -10%; top: 4%; background: radial-gradient(circle, var(--aurora-3) 0%, transparent 60%); }
.hero-aurora .b3 { width: 720px; height: 540px; left: 20%; top: 28%; background: radial-gradient(circle, var(--aurora-2) 0%, transparent 60%); opacity: 0.45; }
.hero-aurora .b4 { width: 500px; height: 500px; right: 20%; bottom: -10%; background: radial-gradient(circle, var(--aurora-4) 0%, transparent 60%); opacity: 0.35; }

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  border-radius: var(--r-pill);
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--fg-1);
  margin-bottom: var(--sp-5);
  align-self: flex-start;
  white-space: nowrap;
}
.hero-eyebrow .pill-dot { background: #5ED49C; box-shadow: 0 0 10px #5ED49C; }
.hero h1 {
  font-size: var(--fs-4xl);
  line-height: 0.96;
  letter-spacing: -0.04em;
  font-weight: 540;
  margin-bottom: 22px;
}
.hero h1 .aurora-text { display: inline-block; }
.hero p.lede { margin-bottom: 32px; }
.hero-cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  align-items: center;
  gap: 18px 22px;
  margin-top: 24px;
  flex-wrap: wrap;
  color: var(--fg-3);
  font-size: var(--fs-xs);
}
.hero-meta .dot { width: 3px; height: 3px; background: var(--fg-4); border-radius: 50%; }

/* ====================================================
   COMMAND PALETTE MOCK
==================================================== */
.palette-stage {
  position: relative;
  perspective: 2000px;
}
.palette-shadow {
  position: absolute;
  inset: 12% 6% -8% 6%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.4) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
}
[data-theme="light"] .palette-shadow { background: radial-gradient(ellipse at center, rgba(10,10,40,0.18) 0%, transparent 70%); }

.palette {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 540px;
  margin-inline: auto;
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(43,29,82,0.92) 0%, rgba(67,28,87,0.92) 35%, rgba(115,42,108,0.92) 60%, rgba(60,42,140,0.92) 100%);
  backdrop-filter: blur(20px);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.18) inset,
    0 0 0 1px rgba(255,255,255,0.08),
    0 30px 80px rgba(0,0,0,0.55),
    0 60px 140px rgba(80,40,140,0.35);
  transform: rotateX(2deg) rotateY(-3deg) translateZ(0);
  transition: transform 0.6s var(--ease-out);
}
[data-theme="light"] .palette {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.25) inset,
    0 0 0 1px rgba(255,255,255,0.1),
    0 30px 80px rgba(80,40,140,0.25),
    0 60px 140px rgba(80,40,140,0.18);
}
.palette-noise::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(ellipse 80% 60% at 30% 20%, rgba(255,255,255,0.08), transparent 60%),
                    radial-gradient(ellipse 60% 60% at 80% 80%, rgba(255,255,255,0.06), transparent 60%);
  pointer-events: none;
}
.palette-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  color: rgba(255,255,255,0.92);
  font-size: 17px;
  font-weight: 500;
}
.palette-search svg { width: 18px; height: 18px; opacity: 0.95; flex-shrink: 0; }
.palette-search .caret {
  display: inline-block;
  width: 2px;
  height: 18px;
  background: rgba(255,255,255,0.8);
  margin-left: 2px;
  animation: caret 1.05s steps(2) infinite;
  vertical-align: -3px;
}
@keyframes caret { 50% { opacity: 0; } }

.palette-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}
.palette-context .left { display: flex; align-items: center; gap: 8px; }
.palette-context .right { color: rgba(255,255,255,0.55); }

.palette-list { padding: 6px 8px 8px; max-height: 360px; overflow: hidden; position: relative; scroll-behavior: smooth; }
.palette-list::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 38px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(40,25,80,0.4));
  pointer-events: none;
}
.palette-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: default;
  color: rgba(255,255,255,0.92);
  transition: background 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.palette-row.active {
  background: rgba(255,255,255,0.10);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}
.palette-row .icon {
  width: 26px; height: 26px;
  flex-shrink: 0;
  border-radius: 7px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  border: 1px solid rgba(255,255,255,0.04);
}

/* Category accents */
.palette-row[data-cat="rewrite"]    .icon { background: linear-gradient(135deg, rgba(180,140,255,0.22), rgba(120,90,220,0.10)); color: #E2D6FF; }
.palette-row[data-cat="summarize"]  .icon { background: linear-gradient(135deg, rgba(120,180,255,0.20), rgba(80,120,220,0.10)); color: #D6E6FF; }
.palette-row[data-cat="explain"]    .icon { background: linear-gradient(135deg, rgba(255,210,120,0.22), rgba(220,160,80,0.10)); color: #FFE7BA; }
.palette-row[data-cat="translate"]  .icon { background: linear-gradient(135deg, rgba(120,200,220,0.22), rgba(80,150,200,0.10)); color: #C8F0FF; }
.palette-row[data-cat="code"]       .icon { background: linear-gradient(135deg, rgba(120,255,200,0.20), rgba(80,200,160,0.10)); color: #C7F8E2; }
.palette-row[data-cat="terminal"]   .icon { background: linear-gradient(135deg, rgba(255,255,255,0.16), rgba(200,200,220,0.08)); color: #F0F0F8; }
.palette-row[data-cat="email"]      .icon { background: linear-gradient(135deg, rgba(255,160,120,0.22), rgba(220,110,80,0.10)); color: #FFDCC8; }
.palette-row[data-cat="social"]     .icon { background: linear-gradient(135deg, rgba(255,140,200,0.24), rgba(220,90,160,0.12)); color: #FFD2EA; }
.palette-row[data-cat="clipboard"]  .icon { background: linear-gradient(135deg, rgba(180,200,255,0.20), rgba(120,140,220,0.10)); color: #DCE2FF; }
.palette-row[data-cat="tasks"]      .icon { background: linear-gradient(135deg, rgba(150,230,160,0.22), rgba(90,180,110,0.10)); color: #D4F4D6; }
.palette-row[data-cat="ask"]        .icon { background: linear-gradient(135deg, rgba(200,180,255,0.22), rgba(140,120,220,0.10)); color: #E8DEFF; }
.palette-row .body { flex: 1; min-width: 0; }
.palette-row .title { font-size: 14px; font-weight: 600; line-height: 1.2; }
.palette-row .sub { font-size: 12px; color: rgba(255,255,255,0.65); line-height: 1.3; margin-top: 1px; }
.palette-row .badge {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}
.palette-row[data-cat="rewrite"]    .badge { border-color: rgba(180,140,255,0.45); color: #EADEFF; }
.palette-row[data-cat="summarize"]  .badge { border-color: rgba(120,180,255,0.45); color: #DDEAFF; }
.palette-row[data-cat="explain"]    .badge { border-color: rgba(255,210,120,0.45); color: #FFEACB; }
.palette-row[data-cat="translate"]  .badge { border-color: rgba(120,200,220,0.50); color: #D2EFFA; }
.palette-row[data-cat="code"]       .badge { border-color: rgba(120,255,200,0.45); color: #D0F6E5; }
.palette-row[data-cat="terminal"]   .badge { border-color: rgba(255,255,255,0.30); color: #F0F0F8; }
.palette-row[data-cat="email"]      .badge { border-color: rgba(255,160,120,0.50); color: #FFDFCD; }
.palette-row[data-cat="social"]     .badge { border-color: rgba(255,140,200,0.55); color: #FFD5EC; }
.palette-row[data-cat="clipboard"]  .badge { border-color: rgba(180,200,255,0.45); color: #E0E6FF; }
.palette-row[data-cat="tasks"]      .badge { border-color: rgba(150,230,160,0.50); color: #D8F5DA; }
.palette-row[data-cat="ask"]        .badge { border-color: rgba(200,180,255,0.50); color: #EBE2FF; }

.palette-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 11px;
  color: rgba(255,255,255,0.7);
}
.palette-footer .left, .palette-footer .right { display: inline-flex; align-items: center; gap: 14px; }
.palette-footer .hint { display: inline-flex; align-items: center; gap: 6px; }
.palette-footer .key {
  display: inline-flex; align-items: center; justify-content: center;
  height: 18px; min-width: 18px; padding: 0 5px;
  border-radius: 5px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.14);
  font-family: "Geist Mono", monospace;
  font-size: 10px;
}

/* Menu bar above palette */
.menubar-mock {
  position: absolute;
  top: -52px;
  left: 30px;
  right: 30px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  font-size: 11px;
  color: var(--fg-2);
}
.menubar-mock .vehla-icon {
  width: 16px; height: 16px;
  border-radius: 4px;
  background: url("../assets/app-icon.png") center / cover no-repeat;
}