/* =========================================================
   Lumyo — one pager
   1. Tokens
   2. Reset & base
   3. Layout helpers
   4. Buttons, badges, chips
   5. Header & navigation
   6. Hero
   7. Stats
   8. Cards & grids
   9. Steps
   10. Split panels
   11. Integrations
   12. FAQ
   13. CTA & form
   14. Footer
   15. Motion & responsive
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --ink:          #0B0E14;
  --ink-soft:     #141A24;
  --surface:      #FFFFFF;
  --surface-alt:  #F6F8FA;
  --border:       #E3E8EF;
  --border-dark:  rgba(255,255,255,.12);

  --text:         #111827;
  --muted:        #5B6675;
  --text-invert:  #FFFFFF;
  --muted-invert: #A6B0BF;

  --accent:       #12B5CB;
  --accent-ink:   #0A8A9C;
  --accent-soft:  rgba(18,181,203,.10);

  --danger:       #E2574C;

  --radius:       12px;
  --radius-lg:    18px;
  --container:    1200px;
  --gutter:       24px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-card: 0 1px 2px rgba(16,24,40,.04);
  --shadow-lift: 0 12px 28px rgba(16,24,40,.10);
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5.2vw, 3.9rem); font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); font-weight: 800; letter-spacing: -.03em; }
h3 { font-size: 1.125rem; }
h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-invert); font-weight: 600; }
p  { margin: 0 0 1rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { max-width: 100%; }

a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skiplink {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: #fff; padding: 12px 18px; border-radius: 0 0 var(--radius) 0;
}
.skiplink:focus { left: 0; }

/* ---------- 3. Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: 820px; }

.section { padding: 96px 0; background: var(--surface); }
.section--alt { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section--tight { padding: 64px 0; }

.section__head { max-width: 720px; margin-bottom: 48px; }
.section__lead { font-size: 1.075rem; color: var(--muted); margin: 0; }

.eyebrow {
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 14px;
}
.eyebrow--light { color: var(--accent); }

.ico { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.ico--sm { width: 17px; height: 17px; vertical-align: -3px; }

.link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--accent-ink); }
.link:hover .ico { transform: translateX(3px); }
.link .ico { transition: transform .18s ease; }

/* ---------- 4. Buttons, badges, chips ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit; font-weight: 600; font-size: .95rem;
  cursor: pointer;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, transform .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #04222A; }
.btn--primary:hover { background: #16C8E0; }
.btn--ghost { background: transparent; color: var(--text-invert); border-color: rgba(255,255,255,.28); }
.btn--ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.5); }
.btn--sm { padding: 9px 16px; font-size: .875rem; }
.btn--block { width: 100%; }

.badge {
  display: inline-block;
  font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.badge--on  { background: var(--accent-soft); color: var(--accent-ink); }
.badge--off { background: #F2F4F7; color: var(--muted); }

.chip {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: .9rem; font-weight: 600; color: var(--text);
}
.chip--muted { color: var(--muted); font-weight: 500; }
.chip--accent { border-color: rgba(18,181,203,.4); background: var(--accent-soft); color: var(--accent-ink); }

/* ---------- 5. Header & navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,14,20,.82);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--border-dark); background: rgba(11,14,20,.94); }

.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text-invert); text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo__mark { width: 26px; height: 26px; color: var(--accent); flex: none; }
.logo__text { font-size: 1.24rem; font-weight: 800; letter-spacing: -.03em; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--muted-invert); font-size: .93rem; font-weight: 500; }
.nav a:hover { color: var(--text-invert); text-decoration: none; }
.nav__cta { color: #04222A; margin-left: 4px; }
.nav__cta:hover { color: #04222A; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  background: transparent; border: 1px solid var(--border-dark); border-radius: 10px;
  cursor: pointer; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: #fff; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--text-invert);
  padding: 96px 0 104px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(680px 380px at 12% 8%,  rgba(18,181,203,.22), transparent 62%),
    radial-gradient(720px 460px at 88% 22%, rgba(72,102,255,.16), transparent 60%),
    linear-gradient(to bottom, rgba(255,255,255,.03), transparent 40%);
}
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero__sub { font-size: 1.14rem; color: #C6CFDB; max-width: 33em; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.hero__note { font-size: .88rem; color: var(--muted-invert); margin: 0; }

/* Live feed card */
.feed {
  background: linear-gradient(180deg, #131A24, #0F141C);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
  overflow: hidden;
}
.feed__head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-dark);
  font-size: .82rem;
}
.feed__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(18,181,203,.6); animation: pulse 2.4s infinite; }
.feed__title { font-weight: 600; color: #E6ECF3; }
.feed__meta { margin-left: auto; color: var(--muted-invert); }

.feed__list { display: flex; flex-direction: column; }
.feed__row {
  display: grid;
  grid-template-columns: 72px 58px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: .86rem;
  color: #9AA6B4;
}
.feed__row:last-child { border-bottom: 0; }
.feed__row--pass { background: rgba(18,181,203,.055); color: #D7E1EB; }
.feed__time { font-variant-numeric: tabular-nums; color: #7C8899; }
.feed__cam { font-weight: 600; color: #B9C4D2; }
.feed__what { color: inherit; }

.tag {
  font-size: .68rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 999px;
  background: rgba(255,255,255,.07); color: #8C97A6;
}
.tag--pass { background: rgba(18,181,203,.18); color: #62DCEC; }

.feed__foot {
  display: flex; justify-content: space-between;
  padding: 13px 18px;
  border-top: 1px solid var(--border-dark);
  background: rgba(255,255,255,.02);
  font-size: .8rem; color: var(--muted-invert);
}
.feed__foot strong { color: #E6ECF3; }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(18,181,203,.55); }
  70%  { box-shadow: 0 0 0 9px rgba(18,181,203,0); }
  100% { box-shadow: 0 0 0 0 rgba(18,181,203,0); }
}

/* ---------- 7. Stats ---------- */
.stats { background: var(--ink-soft); color: var(--text-invert); padding: 40px 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stats__grid li { display: flex; flex-direction: column; gap: 6px; }
.stats__num { font-size: clamp(2rem, 3.2vw, 2.6rem); font-weight: 800; letter-spacing: -.035em; color: var(--accent); line-height: 1.05; }
.stats__label {
  font-size: .76rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .13em;
  color: var(--muted-invert); line-height: 1.4;
}

/* ---------- 8. Cards & grids ---------- */
.grid { display: grid; gap: 20px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: #D2DAE5; }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; color: var(--muted); font-size: .94rem; }

.card--icon .ico {
  color: var(--accent-ink);
  width: 26px; height: 26px;
  margin-bottom: 16px;
  display: block;
}
.card--cta { background: var(--ink); border-color: var(--ink); color: var(--text-invert); }
.card--cta:hover { border-color: var(--ink); }
.card--cta p { color: var(--muted-invert); margin-bottom: 14px; }
.card--cta .link { color: var(--accent); }

/* ---------- 9. Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step { position: relative; padding-top: 30px; }
.step::before {
  content: "";
  position: absolute; top: 15px; left: 0; right: -24px;
  height: 1px; background: var(--border);
}
.step:last-child::before { right: 0; }
.step__num {
  position: absolute; top: 0; left: 0;
  width: 31px; height: 31px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent); color: #04222A;
  font-size: .85rem; font-weight: 700;
}
.step h3 { margin: 14px 0 6px; }
.step p { margin: 0; color: var(--muted); font-size: .94rem; }

/* ---------- 10. Split panels ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  background: var(--surface);
}
.panel--pass { border-color: rgba(18,181,203,.35); background: linear-gradient(180deg, var(--accent-soft), transparent 55%); }
.panel__head { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.panel__head h3 { margin: 0; font-size: 1.25rem; }
.panel__note { margin: 20px 0 0; font-size: .9rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 16px; }

.ticklist { display: grid; gap: 11px; }
.ticklist li {
  position: relative;
  padding-left: 30px;
  font-size: .96rem;
}
.ticklist li::before {
  content: "";
  position: absolute; left: 0; top: .42em;
  width: 18px; height: 18px; border-radius: 50%;
  background-repeat: no-repeat; background-position: center; background-size: 10px 10px;
}
.ticklist--off li::before {
  background-color: #F2F4F7;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%237A8494' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M2.5 2.5l7 7M9.5 2.5l-7 7'/%3E%3C/svg%3E");
}
.ticklist--off li { color: var(--muted); }
.ticklist--on li::before {
  background-color: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%230A8A9C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.3l2.4 2.4L9.5 3.6'/%3E%3C/svg%3E");
}
.ticklist--on li { font-weight: 500; }

/* ---------- 11. Integrations ---------- */
.integrations { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: center; }
.integrations__copy h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); }
.integrations__copy p { color: var(--muted); margin: 0; }
.integrations__list { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- 12. FAQ ---------- */
.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 44px 20px 0;
  position: relative;
  font-weight: 600;
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute; right: 6px; top: 50%;
  width: 11px; height: 11px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: translateY(-20%) rotate(-135deg); }
.faq summary:hover { color: var(--accent-ink); }
.faq__body { padding: 0 40px 22px 0; }
.faq__body p { margin: 0; color: var(--muted); }

/* ---------- 13. CTA & form ---------- */
.cta { background: var(--ink); color: var(--text-invert); padding: 96px 0; }
.cta__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.cta__copy p { color: #C6CFDB; }
.cta__points { display: grid; gap: 10px; margin-top: 22px; }
.cta__points li { position: relative; padding-left: 26px; color: #C6CFDB; font-size: .95rem; }
.cta__points li::before {
  content: "";
  position: absolute; left: 0; top: .48em;
  width: 15px; height: 15px; border-radius: 50%;
  background: rgba(18,181,203,.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%2362DCEC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.3l2.4 2.4L9.5 3.6'/%3E%3C/svg%3E") center/9px 9px no-repeat;
}
.cta__contact { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border-dark); font-size: .92rem; }
.cta__contact p { margin: 0 0 4px; color: var(--muted-invert); }
.cta__contact a { color: var(--accent); }

.form {
  background: var(--ink-soft);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
}
.form__row { margin-bottom: 16px; }
.form label {
  display: block;
  font-size: .82rem; font-weight: 600; letter-spacing: .02em;
  color: var(--muted-invert);
  margin-bottom: 7px;
}
.form input, .form textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border-dark);
  border-radius: 10px;
  color: #fff;
  font: inherit; font-size: .95rem;
  transition: border-color .18s ease, background .18s ease;
}
.form input::placeholder, .form textarea::placeholder { color: #6D7889; }
.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,.07);
}
.form textarea { resize: vertical; min-height: 96px; }
.form .btn { margin-top: 6px; }
.form__hint { margin: 12px 0 0; font-size: .82rem; color: var(--muted-invert); text-align: center; }
.form__hint a { color: var(--accent); }
.form__status { margin: 12px 0 0; font-size: .88rem; text-align: center; min-height: 1.2em; }
.form__status.is-ok { color: #62DCEC; }
.form__status.is-error { color: #FF9A90; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

/* ---------- 14. Footer ---------- */
.site-footer { background: var(--ink); color: var(--muted-invert); padding: 64px 0 28px; border-top: 1px solid var(--border-dark); }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; }
.footer__brand p { font-size: .92rem; margin: 14px 0 0; max-width: 32em; }
.logo--footer { margin-bottom: 4px; }
.footer__col { display: flex; flex-direction: column; gap: 9px; }
.footer__col h4 { margin: 0 0 4px; }
.footer__col a { color: var(--muted-invert); font-size: .92rem; }
.footer__col a:hover { color: #fff; text-decoration: none; }
.footer__small { font-size: .86rem; margin: 4px 0 0; line-height: 1.6; }

.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 48px; padding-top: 22px;
  border-top: 1px solid var(--border-dark);
  font-size: .84rem;
}
.footer__bottom p { margin: 0; }
.footer__bottom a { color: var(--muted-invert); }
.footer__bottom a:hover { color: #fff; }

/* ---------- 15. Motion & responsive ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { gap: 44px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 84px; }
  .nav {
    position: fixed; inset: 68px 0 auto 0;
    z-index: 99;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--border-dark);
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    padding: 10px var(--gutter) 22px;
    transform: translateY(-12px);
    opacity: 0; pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.07); font-size: 1rem; }
  .nav__cta { margin-top: 16px; border-bottom: 0; justify-content: center; }
  .nav-toggle { display: flex; }

  .hero { padding: 64px 0 72px; }
  .hero__inner { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .split { grid-template-columns: 1fr; }
  .integrations { grid-template-columns: 1fr; gap: 28px; }
  .cta__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .section--tight { padding: 48px 0; }
  .section__head { margin-bottom: 32px; }
  .cta { padding: 64px 0; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step::before { display: none; }
  .stats__grid { grid-template-columns: 1fr; gap: 20px; }
  .stats__num { font-size: 1.9rem; }
  .feed__row { grid-template-columns: 56px 1fr auto; }
  .feed__cam { display: none; }
  .hero__actions .btn { flex: 1 1 100%; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
  .panel { padding: 24px 20px; }
  .form { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}