/* PP Ventures · Smart Home — shared styles */
:root {
  --bg: #0a0e14;
  --bg-soft: #111824;
  --card: #141d2b;
  --line: #1f2b3d;
  --text: #e8edf4;
  --muted: #93a1b5;
  --accent: #4dd4c4;
  --accent-2: #7c9bff;
  --warm: #ffb15c;
  --radius: 16px;
  --max: 1080px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; width: 100%; }
main { flex: 1 0 auto; }

/* Nav */
header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(10,14,20,0.72);
  border-bottom: 1px solid var(--line);
}
nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }
.brand .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.brand .sub { color: var(--muted); font-weight: 500; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.93rem; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 10px;
  font-weight: 600; font-size: 0.93rem; transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
  cursor: pointer; border: none;
}
.btn-primary { background: var(--accent); color: #04231f; box-shadow: 0 6px 22px rgba(77,212,196,0.28); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(77,212,196,0.4); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 760px) {
  .nav-links { display: none; }
  .brand .sub { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* Page header (interior pages) */
.page-head { padding: 72px 0 32px; position: relative; overflow: hidden; }
.page-head::before {
  content: ""; position: absolute; inset: -40% -10% auto -10%; height: 360px;
  background: radial-gradient(50% 80% at 30% 0%, rgba(124,155,255,0.16), transparent 70%),
              radial-gradient(45% 70% at 85% 0%, rgba(77,212,196,0.14), transparent 70%);
  z-index: 0;
}
.page-head .wrap { position: relative; z-index: 1; }
.page-head h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -0.03em; line-height: 1.08; margin-bottom: 16px; }
.page-head p { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.82rem; font-weight: 600;
  color: var(--accent); background: rgba(77,212,196,0.1); border: 1px solid rgba(77,212,196,0.25);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 24px;
}

/* Hero (home) */
.hero { position: relative; padding: 96px 0 80px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 520px;
  background: radial-gradient(60% 80% at 30% 0%, rgba(124,155,255,0.18), transparent 70%),
              radial-gradient(50% 70% at 80% 10%, rgba(77,212,196,0.16), transparent 70%);
  filter: blur(8px); z-index: 0;
}
.hero .wrap { position: relative; z-index: 1; }
h1 .grad, .grad { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); line-height: 1.05; letter-spacing: -0.03em; font-weight: 800; max-width: 16ch; margin-bottom: 22px; }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 56ch; margin-bottom: 36px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.cta-note { color: var(--muted); font-size: 0.85rem; margin-left: 4px; }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 64px; }
.stat { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: var(--bg-soft); }
.stat b { display: block; font-size: 1.7rem; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 0.85rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* Sections */
section.block { padding: 84px 0; border-top: 1px solid var(--line); }
section.block.first { border-top: none; }
.sec-head { max-width: 62ch; margin-bottom: 48px; }
.sec-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -0.02em; margin-bottom: 14px; }
.sec-head p { color: var(--muted); font-size: 1.05rem; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid, .grid.two { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: transform .18s, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(77,212,196,0.4); }
.card .ico { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 16px; background: rgba(124,155,255,0.12); }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card ul { color: var(--muted); font-size: 0.95rem; margin: 10px 0 0; padding-left: 18px; }
.card ul li { margin-bottom: 5px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
@media (max-width: 760px){ .steps { grid-template-columns: 1fr; } }
.step .n { font-size: 0.85rem; font-weight: 700; color: var(--accent); letter-spacing: 0.08em; }
.step h3 { margin: 8px 0; font-size: 1.15rem; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* Pricing */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
@media (max-width: 860px){ .tiers { grid-template-columns: 1fr; } }
.tier { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; background: var(--card); position: relative; }
.tier.feature { border-color: rgba(77,212,196,0.5); box-shadow: 0 10px 40px rgba(77,212,196,0.1); }
.tier .badge { position: absolute; top: -11px; left: 26px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; background: var(--accent); color: #04231f; padding: 4px 12px; border-radius: 999px; }
.tier h3 { font-size: 1.25rem; margin-bottom: 6px; }
.tier .price { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin: 10px 0 4px; }
.tier .price small { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.tier .desc { color: var(--muted); font-size: 0.92rem; margin-bottom: 18px; }
.tier ul { list-style: none; margin: 0 0 24px; }
.tier ul li { padding: 8px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.93rem; display: flex; gap: 10px; }
.tier ul li::before { content: "✓"; color: var(--accent); font-weight: 700; }
.tier .btn { width: 100%; text-align: center; }

/* Prose (about) */
.prose { max-width: 70ch; }
.prose p { color: var(--muted); font-size: 1.05rem; margin-bottom: 20px; }
.prose h2 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 40px 0 14px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 800px){ .contact-grid { grid-template-columns: 1fr; } }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font: inherit; font-size: 0.95rem; transition: border-color .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 120px; }
.contact-info .row { display: flex; gap: 12px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-info .row .ico { font-size: 1.3rem; }
.contact-info .row b { display: block; }
.contact-info .row span { color: var(--muted); font-size: 0.93rem; }

/* CTA band */
.band { border-top: 1px solid var(--line); padding: 84px 0; text-align: center; background:
  radial-gradient(50% 120% at 50% 0%, rgba(124,155,255,0.12), transparent 70%); }
.band h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); letter-spacing: -0.02em; margin-bottom: 14px; }
.band p { color: var(--muted); max-width: 52ch; margin: 0 auto 30px; font-size: 1.05rem; }

footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: 0.9rem; flex-shrink: 0; }
footer .row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center; }
.pill { display:inline-flex; gap:8px; align-items:center; font-size:0.8rem; color:var(--muted); border:1px solid var(--line); padding:5px 12px; border-radius:999px;}

/* ============================================================
   Dynamic background + interactivity (injected by app.js)
   ============================================================ */

/* Background FX layer sits behind everything; content rises above it. */
#bg-fx { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
#bg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
main, footer, .band { position: relative; z-index: 1; }

/* Drifting aurora blobs */
.aurora { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.5; will-change: transform; }
.aurora.a1 { width: 46vw; height: 46vw; left: -8vw; top: -10vw;
  background: radial-gradient(circle, rgba(77,212,196,0.45), transparent 65%); animation: drift1 26s ease-in-out infinite; }
.aurora.a2 { width: 40vw; height: 40vw; right: -6vw; top: 4vw;
  background: radial-gradient(circle, rgba(124,155,255,0.42), transparent 65%); animation: drift2 32s ease-in-out infinite; }
.aurora.a3 { width: 38vw; height: 38vw; left: 28vw; bottom: -16vw;
  background: radial-gradient(circle, rgba(255,177,92,0.22), transparent 65%); animation: drift3 38s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(8vw,6vw) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-7vw,5vw) scale(1.08); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(5vw,-7vw) scale(1.15); } }

/* Scroll-reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .06s; } .reveal.d2 { transition-delay: .12s; }
.reveal.d3 { transition-delay: .18s; } .reveal.d4 { transition-delay: .24s; }
.reveal.d5 { transition-delay: .30s; } .reveal.d6 { transition-delay: .36s; }

/* Nav reacts to scroll */
header { transition: background .3s, box-shadow .3s, border-color .3s; }
header.scrolled { background: rgba(8,11,16,0.88); box-shadow: 0 8px 30px rgba(0,0,0,0.35); }

/* Card shine — pointer-tracked glow */
.card { position: relative; overflow: hidden; }
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,50%), rgba(77,212,196,0.14), transparent 45%);
  transition: opacity .35s; pointer-events: none;
}
.card:hover::after { opacity: 1; }

/* Button shimmer on hover */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after {
  content: ""; position: absolute; top: 0; left: -120%; width: 70%; height: 100%; transform: skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent); pointer-events: none;
}
.btn-primary:hover::after { animation: shimmer .8s ease; }
@keyframes shimmer { to { left: 130%; } }

/* Hero headline gradient drift */
.hero h1 .grad, .page-head .grad { background-size: 200% 200%; animation: hue 8s ease infinite; }
@keyframes hue { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* Scroll-progress bar */
#scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 50;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 10px var(--accent); transition: width .1s linear; }

/* Product screenshots — "See it in action" */
.showcase { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.showcase .wide { grid-column: 1 / -1; }
@media (max-width: 760px) { .showcase { grid-template-columns: 1fr; } }
.shot {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: var(--card); box-shadow: 0 16px 44px rgba(0,0,0,0.4);
  transition: transform .2s, border-color .2s;
}
.shot:hover { transform: translateY(-3px); border-color: rgba(77,212,196,0.4); }
.shot .bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.shot .bar i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.shot .bar .r { background: #ff5f57; } .shot .bar .y { background: #febc2e; } .shot .bar .g { background: #28c840; }
.shot .bar .u { margin-left: 10px; font-size: 0.78rem; color: var(--muted); }
.shot img { display: block; width: 100%; height: auto; }
.shot .cap { padding: 13px 16px; font-size: 0.92rem; color: var(--muted); border-top: 1px solid var(--line); }
.shot .cap b { color: var(--text); font-weight: 600; }

/* Mobile hamburger + drawer (built by app.js) */
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 10px; cursor: pointer;
  align-items: center; justify-content: center; background: transparent;
  border: 1px solid var(--line); color: var(--text); flex-direction: column; gap: 5px;
}
.nav-toggle:hover { border-color: var(--accent); }
.nav-toggle span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 64px; left: 0; right: 0; bottom: auto; z-index: 40;
  background: rgba(8,11,16,0.98); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 24px 24px;
  height: auto; /* override the base `nav { height: 64px }` rule (this is also a <nav>) */
  flex: 0 0 auto; /* body is a flex column (sticky footer) — keep this overlay from being shrunk */
  max-height: calc(100vh - 64px); overflow-y: auto;
  transform: translateY(-12px); opacity: 0; visibility: hidden;
  transition: opacity .25s, transform .25s, visibility .25s;
}
.mobile-menu.open { transform: none; opacity: 1; visibility: visible; }
.mobile-menu a { color: var(--text); font-size: 1.05rem; padding: 14px 4px; border-bottom: 1px solid var(--line); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--accent); }
.mobile-menu .btn { margin-top: 12px; text-align: center; }
body.menu-open { overflow: hidden; }

/* Active desktop nav link */
.nav-links a.active { color: var(--accent); }

/* Anchor targets clear the sticky header */
[id] { scroll-margin-top: 84px; }

/* Visible keyboard focus */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px;
}

/* Respect users who don't want motion */
@media (prefers-reduced-motion: reduce) {
  .aurora, .hero h1 .grad, .page-head .grad, .btn-primary:hover::after { animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  #scroll-progress { display: none; }
}

/* Show the hamburger on mobile (asserted last so it wins source order over the base rule) */
@media (max-width: 760px) { .nav-toggle { display: inline-flex; } }
