/* Holo website. Dark navy with mint and blue light, as in the app and the Sense Hub's status LED. */
:root {
  --bg: #07090e;
  --bg2: #0b1020;
  --card: rgba(18, 22, 34, 0.72);
  --card-hi: rgba(28, 34, 52, 0.85);
  --line: rgba(255, 255, 255, 0.08);
  --line-hi: rgba(0, 240, 180, 0.3);
  --text: #f4f6fb;
  --muted: #9aa6bf;
  --mint: #00f0b4;
  --mint-dim: rgba(0, 240, 180, 0.14);
  --blue: #3b82f6;
  --amber: #f5b544;
  --radius: 22px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(59, 130, 246, 0.16), transparent 60%),
    radial-gradient(900px 600px at 10% 0%, rgba(0, 240, 180, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg) 40%);
  color: var(--text);
  font: 17px/1.6 "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--mint); }
h1, h2, h3 { font-family: "Space Grotesk", "Plus Jakarta Sans", sans-serif; letter-spacing: -0.02em; line-height: 1.08; margin: 0; }
p { margin: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.eyebrow { font: 600 12px/1.4 "Space Grotesk", sans-serif; letter-spacing: 0.18em; text-transform: uppercase; color: var(--mint); }
.muted { color: var(--muted); }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 8px; }

/* Header */
header.nav { position: sticky; top: 0; z-index: 20; background: rgba(7, 9, 14, 0.9); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: var(--max); margin: 0 auto; padding: 0 20px; height: 68px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 700 20px "Space Grotesk", sans-serif; letter-spacing: 0.22em; }
.brand svg { width: 30px; height: 28px; color: var(--text); }
#site-menu { display: flex; gap: 22px; margin-left: auto; }
#site-menu a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
#site-menu a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap;
  min-height: 46px; padding: 0 22px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--mint); color: #03130e; font: 700 15px "Plus Jakarta Sans", sans-serif; text-decoration: none;
  box-shadow: 0 8px 26px rgba(0, 240, 180, 0.22); transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(0, 240, 180, 0.3); }
.btn:disabled { opacity: .6; cursor: default; transform: none; }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line-hi); }
.btn-small { min-height: 38px; padding: 0 16px; font-size: 14px; }
.menu-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); cursor: pointer; padding: 11px 10px; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; background: var(--text); border-radius: 2px; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding: 72px 0 56px; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line-hi); background: var(--mint-dim); color: var(--mint); font: 600 13px "Space Grotesk", sans-serif; letter-spacing: 0.06em; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); }
.hero h1 { font-size: clamp(42px, 6.4vw, 76px); margin: 22px 0 18px; }
.hero h1 span { background: linear-gradient(90deg, var(--mint), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 19px; color: var(--muted); max-width: 540px; }
.hero-art { position: relative; }
.hero-art img { border-radius: 28px; border: 1px solid var(--line); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(0, 240, 180, .06); width: 100%; }
.hero-art .chip { position: absolute; left: -18px; bottom: -22px; background: rgba(7, 9, 14, .86); border: 1px solid var(--line-hi); border-radius: 16px; padding: 12px 16px; backdrop-filter: blur(10px); font-size: 14px; }
.hero-art .chip b { display: block; font: 700 22px "Space Grotesk", sans-serif; color: var(--mint); }
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 0; padding: 0; list-style: none; }
.facts li { padding: 8px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.facts b { color: var(--text); }

/* Sign-up */
.notify-wrap { margin-top: 28px; max-width: 480px; }
.notify { display: flex; gap: 8px; }
.notify input[type=email] { flex: 1; min-width: 0; min-height: 50px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, .06); color: var(--text); font: 500 16px "Plus Jakarta Sans", sans-serif; }
.notify input[type=email]::placeholder { color: #6f7a92; }
.notify input[type=email]:focus { outline: none; border-color: var(--mint); }
.notify .btn { min-height: 50px; }
.notify .hp { display: none; }
.notify-msg { min-height: 1.4em; margin-top: 8px; font-size: 14px; color: var(--mint); }
.notify-msg.bad { color: var(--amber); }
.notify-note { font-size: 13px; color: #6f7a92; margin-top: 2px; }

/* Sections */
.section { padding: 84px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(30px, 4vw, 46px); margin: 12px 0 14px; }
.section-head p { color: var(--muted); font-size: 18px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step::before { counter-increment: step; content: "0" counter(step); display: block; font: 700 14px "Space Grotesk", sans-serif; color: var(--mint); letter-spacing: .1em; margin-bottom: 14px; }
.step h3 { font-size: 21px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 16px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .25s, background .25s; }
.card:hover { border-color: var(--line-hi); background: var(--card-hi); }
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--mint-dim); color: var(--mint); margin-bottom: 16px; }
.card .ico svg { width: 22px; height: 22px; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 16px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.flip > :first-child { order: 2; }
.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; color: var(--muted); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--mint-dim) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.5 2.5L13 6.5' fill='none' stroke='%2300f0b4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 18px no-repeat; }
.ticks b { color: var(--text); font-weight: 600; }
.photo { border-radius: 26px; border: 1px solid var(--line); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8); width: 100%; }

.phones { display: flex; justify-content: center; gap: 22px; }
.phone { width: min(240px, 44%); border-radius: 34px; padding: 8px; background: #0d1220; border: 1px solid var(--line); box-shadow: 0 40px 70px -30px rgba(0, 0, 0, .9); }
.phone img { border-radius: 27px; }
.phone.lower { margin-top: 48px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat { text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 18px; }
.stat b { display: block; font: 700 40px "Space Grotesk", sans-serif; color: var(--mint); margin-bottom: 6px; }
.stat span { color: var(--muted); font-size: 15px; }

.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 380px)); justify-content: center; gap: 20px; }
.plan { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 26px; padding: 30px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--line-hi); box-shadow: 0 0 0 1px rgba(0, 240, 180, .12), 0 30px 60px -30px rgba(0, 240, 180, .25); }
.plan h3 { font-size: 22px; }
.plan .for { color: var(--muted); font-size: 15px; margin-top: 4px; }
.plan .price { font: 700 46px "Space Grotesk", sans-serif; margin: 18px 0 2px; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan .ticks { margin: 18px 0 26px; flex: 1; }
.plans-note { text-align: center; color: var(--muted); font-size: 14px; margin-top: 22px; }

.faq { max-width: 780px; margin: 0 auto; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--mint); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin-top: 12px; }

.final { text-align: center; padding: 90px 0 100px; border-top: 1px solid var(--line); }
.final svg { width: 64px; height: 60px; margin: 0 auto 22px; color: var(--mint); filter: drop-shadow(0 0 22px rgba(0, 240, 180, .45)); }
.final h2 { font-size: clamp(30px, 4.4vw, 50px); margin-bottom: 14px; }
.final .notify-wrap { margin: 30px auto 0; }

footer.footer { border-top: 1px solid var(--line); padding: 40px 0 50px; color: var(--muted); font-size: 14px; }
.footer .wrap { display: grid; gap: 14px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer nav a { color: var(--text); text-decoration: none; }
.footer .fine { font-size: 12.5px; color: #6f7a92; max-width: 860px; }

/* Support and privacy pages */
.doc { max-width: 760px; margin: 0 auto; padding: 60px 20px 90px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 10px; }
.doc .updated { color: #6f7a92; font-size: 14px; margin-bottom: 30px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--muted); }
.doc p + p { margin-top: 12px; }

@media (max-width: 960px) {
  .hero, .split { grid-template-columns: 1fr; gap: 40px; }
  .split.flip > :first-child { order: 0; }
  .hero { padding-top: 44px; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .nav-inner > .btn-small { display: none; }
  #site-menu { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 20px 16px; background: #0a0d16; border-bottom: 1px solid var(--line); box-shadow: 0 30px 40px -20px rgba(0, 0, 0, .7); }
  header.nav.open #site-menu { display: flex; }
  #site-menu a { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .grid, .steps, .plans { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-art .chip { left: 12px; }
  .notify { flex-direction: column; }
  .notify .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}