/* ======================================================
   NAV
   ====================================================== */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease), height var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.nav.is-scrolled{
  height: 72px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  width: 100%;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  letter-spacing: -0.01em;
  color: var(--ink);
  flex-shrink: 0;
}
.brand img{ width: 36px; height: 36px; border-radius: 9px; }
.brand small{
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 1px;
}

.nav-links{
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav-links > li{ position: relative; }
.nav-links > li > a, .nav-links > li > button.nav-top-link{
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink-muted);
  background: transparent;
  border: none;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav-links > li > a:hover, .nav-links > li > button.nav-top-link:hover,
.nav-links > li.is-open > button.nav-top-link{
  color: var(--ink);
  background: var(--surface-2);
}
.nav-links > li > a.is-current{
  color: var(--ink);
  background: var(--surface-2);
}
.mobile-links > li > a.is-current{
  color: var(--accent-2);
}
.nav-caret{ width: 10px; height: 10px; transition: transform var(--dur-fast) var(--ease); }
.nav-links > li.is-open .nav-caret{ transform: rotate(180deg); }

/* Mega dropdown */
.mega{
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-3);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
  z-index: 50;
}
.nav-links > li.is-open .mega{
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-col-title{
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 10px;
  padding-left: 10px;
}
.mega-col a{
  display: block;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast);
}
.mega-col a:hover{ background: var(--surface-2); }
.mega-col a strong{
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}
.mega-col a span{
  display: block;
  font-size: 12px;
  color: var(--ink-faint);
}

.nav-actions{
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}
.nav-login{
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-muted);
  padding: 10px 8px;
}
.nav-login:hover{ color: var(--ink); }

.theme-toggle{
  position: relative;
  width: 52px;
  height: 30px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  flex-shrink: 0;
  padding: 3px;
  display: flex;
  align-items: center;
}
.theme-toggle .knob{
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-med) var(--ease);
  color: #fff;
}
.theme-toggle .knob svg{ width: 13px; height: 13px; }
:root[data-theme="light"] .theme-toggle .knob{ transform: translateX(22px); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon{ display:none; }
:root[data-theme="dark"] .theme-toggle .icon-moon{ display:block; }
:root[data-theme="light"] .theme-toggle .icon-sun{ display:block; }

.hamburger{
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hamburger span{
  position: relative;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), background var(--dur-fast);
}
.hamburger span::before, .hamburger span::after{
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), top var(--dur-fast) var(--ease), opacity var(--dur-fast);
}
.hamburger span::before{ top: -6px; }
.hamburger span::after{ top: 6px; }
.nav-open .hamburger span{ background: transparent; }
.nav-open .hamburger span::before{ top: 0; transform: rotate(45deg); }
.nav-open .hamburger span::after{ top: 0; transform: rotate(-45deg); }

/* Mobile drawer */
.mobile-drawer{
  position: fixed;
  inset: 0;
  z-index: 190;
  display: none;
}
.nav-open .mobile-drawer{ display: block; }
.mobile-drawer .scrim{
  position: absolute; inset: 0;
  background: var(--overlay-scrim);
  backdrop-filter: blur(4px);
}
.mobile-panel{
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(90vw, 380px);
  background: var(--surface);
  border-left: 1px solid var(--border);
  padding: var(--sp-3) var(--sp-3) var(--sp-4);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.25);
}
.nav-open .mobile-panel{ transform: translateX(0); }

.drawer-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.drawer-header .brand{
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.drawer-header .brand img{
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.drawer-header .brand span{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}
.drawer-close-btn{
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--dur-fast);
}
.drawer-close-btn svg{
  width: 18px;
  height: 18px;
  color: var(--ink);
}
.drawer-close-btn:hover{
  background: var(--border-strong);
  color: var(--brand-primary);
  transform: scale(1.06);
}

.mobile-links{ display: flex; flex-direction: column; }
.mobile-links > li{ border-bottom: 1px solid var(--border); }
.mobile-links > li > a, .mobile-links summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.mobile-links summary::-webkit-details-marker{ display: none; }
.mobile-links summary svg{ transition: transform var(--dur-fast) var(--ease); width: 16px; height:16px; color: var(--ink-faint); }
.mobile-links details[open] summary svg{ transform: rotate(180deg); }
.mobile-sub{ padding: 0 4px 16px; display: flex; flex-direction: column; gap: 2px; }
.mobile-sub a{
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--ink-muted);
}
.mobile-sub a:hover{ background: var(--surface-2); color: var(--ink); }
.mobile-cta{ display: flex; flex-direction: column; gap: var(--sp-2); margin-top: auto; padding-top: var(--sp-3); }

/* ======================================================
   HERO
   ====================================================== */
.hero{
  padding-top: calc(var(--nav-h) + var(--sp-8));
  padding-bottom: var(--sp-8);
  overflow: hidden;
  position: relative;
}
.hero-bg{
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 900px;
  background:
    radial-gradient(560px 420px at 18% 10%, var(--glow-purple), transparent 65%),
    radial-gradient(640px 480px at 85% 0%, var(--glow-blue), transparent 60%),
    radial-gradient(480px 380px at 60% 40%, var(--glow-cyan), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid-lines{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(700px 500px at 50% 0%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(700px 500px at 50% 0%, black, transparent 75%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.hero .container{ position: relative; z-index: 1; }

.hero-top{
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}
.hero-top .eyebrow{ justify-content: center; }
.hero-top .eyebrow::before{ display: none; }
.hero h1{
  font-size: clamp(2.25rem, 5.6vw, var(--fs-3xl));
  line-height: 1.06;
  margin-bottom: var(--sp-2);
}
.hero .lede{
  font-size: clamp(var(--fs-md), 2vw, 1.25rem);
  color: var(--ink-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--sp-4);
}
.hero-ctas{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}
.hero-note{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: var(--fs-xs);
  color: var(--ink-faint);
  margin-top: var(--sp-2);
}
.hero-note svg{ width: 14px; height: 14px; color: var(--success); }

.hero-stats{
  display: flex;
  justify-content: center;
  gap: var(--sp-6);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}
.hero-stats .stat b{
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  background: linear-gradient(120deg, var(--brand-blue), var(--brand-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stats .stat span{
  font-size: var(--fs-xs);
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Hero mockup — the signature "live activity" workspace visual */
.hero-mockup{
  position: relative;
  max-width: 1040px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-1);
  overflow: hidden;
}
.hero-mockup-inner{
  border-radius: calc(var(--radius-lg) - 6px);
  background: var(--bg-soft);
  padding: var(--sp-3);
  min-height: 380px;
  position: relative;
  overflow: hidden;
}
.mockup-topbar{
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--sp-3);
}
.mockup-topbar .dot{ width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.mockup-topbar .dot:nth-child(1){ background: #FB7185; }
.mockup-topbar .dot:nth-child(2){ background: #FBBF24; }
.mockup-topbar .dot:nth-child(3){ background: #34D399; }
.mockup-topbar .tabs{
  margin-left: auto;
  display: flex;
  gap: 6px;
  overflow: hidden;
  max-width: 60%;
}
.mockup-topbar .tabs span{
  font-size: 11px;
  color: var(--ink-faint);
  background: var(--surface-2);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.mockup-columns{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
}
.mockup-col{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mockup-col-title{
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
}
.mockup-card{
  background: var(--surface-2);
  border-radius: 10px;
  padding: 10px;
  font-size: 12px;
  color: var(--ink-muted);
  border-left: 3px solid var(--brand-blue);
}
.mockup-card b{ display: block; color: var(--ink); font-size: 12.5px; margin-bottom: 4px; font-weight: 600;}
.mockup-col:nth-child(2) .mockup-card{ border-left-color: var(--brand-purple); }
.mockup-col:nth-child(3) .mockup-card{ border-left-color: var(--brand-cyan); }
.mockup-col:nth-child(4) .mockup-card{ border-left-color: var(--success); }

.float-card{
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  animation: floatCard 6s var(--ease) infinite;
  z-index: 2;
}
.float-card .ic{
  width: 30px; height: 30px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.float-card .ic svg{ width: 16px; height: 16px; color: #fff; }
.float-card small{ display:block; font-weight: 500; color: var(--ink-faint); font-size: 11px; }
.float-1{ top: -18px; left: -22px; animation-delay: 0s; }
.float-1 .ic{ background: linear-gradient(135deg, var(--brand-blue), #4A7CFF); }
.float-2{ bottom: 6%; right: -26px; animation-delay: 1.4s; }
.float-2 .ic{ background: linear-gradient(135deg, var(--brand-purple), #B389FF); }
.float-3{ top: 40%; right: -34px; animation-delay: 2.6s; }
.float-3 .ic{ background: linear-gradient(135deg, var(--brand-cyan), #67E8F9); }

@keyframes floatCard{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

@media (max-width: 1024px){
  .float-1{ left: 6px; top: -14px; }
  .float-2{ right: 6px; }
  .float-3{ display: none; }
  .mockup-columns{ grid-template-columns: repeat(2, 1fr); }
  .mockup-col:nth-child(3), .mockup-col:nth-child(4){ display: none; }
}