:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #edf7f3;
  background: #050908;
  font-synthesis: none;
  --bg: #050908;
  --panel: #0a1210;
  --panel-2: #0e1916;
  --line: rgba(189, 238, 219, .14);
  --muted: #9ab1a8;
  --lime: #baff2a;
  --green: #20e889;
  --cyan: #24d9ef;
  --red: #ff6b62;
  --yellow: #f2bc45;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--bg); }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  height: 82px;
  display: flex;
  align-items: center;
  gap: 38px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.08rem; font-weight: 850; letter-spacing: -.03em; }
.brand img { width: 34px; height: 34px; object-fit: contain; }
nav { display: flex; gap: 28px; margin-left: auto; }
nav a, .header-link { color: var(--muted); font-size: .9rem; font-weight: 650; }
nav a:hover, .header-link:hover { color: #fff; }
.header-link { padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; }

.hero {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  min-height: 730px;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  align-items: center;
  gap: 54px;
  margin: 0 auto;
  padding: 74px 0 92px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 780px;
  height: 780px;
  left: -570px;
  top: -260px;
  border: 1px solid rgba(32, 232, 137, .16);
  border-radius: 50%;
  box-shadow: 0 0 0 100px rgba(32, 232, 137, .025), 0 0 0 220px rgba(36, 217, 239, .018);
  pointer-events: none;
}
.eyebrow { margin: 0 0 19px; color: var(--green); font-size: .78rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow { display: flex; align-items: center; gap: 9px; }
.hero .eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 18px var(--green); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 25px; font-size: clamp(3.4rem, 7vw, 6.15rem); line-height: .91; letter-spacing: -.072em; }
h1 em { color: transparent; background: linear-gradient(105deg, var(--lime), var(--green) 58%, var(--cyan)); background-clip: text; font-style: normal; }
.hero-lede { max-width: 630px; margin-bottom: 31px; color: #b4c5bf; font-size: 1.12rem; line-height: 1.68; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 21px; border-radius: 12px; font-size: .92rem; font-weight: 800; }
.button.primary { color: #042314; background: linear-gradient(120deg, var(--lime), var(--green)); box-shadow: 0 15px 40px rgba(32, 232, 137, .18); }
.button.primary:hover { transform: translateY(-1px); filter: brightness(1.06); }
.button.secondary { border: 1px solid var(--line); color: #d7e7e1; background: rgba(255,255,255,.025); }
.trust-line { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 31px; color: #829a91; font-size: .75rem; }
.trust-line span::before { content: "✓"; margin-right: 7px; color: var(--green); }

.product-stage { position: relative; min-height: 570px; display: grid; place-items: center; isolation: isolate; }
.product-stage::before { content: ""; position: absolute; inset: 8% -5%; z-index: -3; background: radial-gradient(circle, rgba(32,232,137,.16), rgba(36,217,239,.06) 43%, transparent 69%); filter: blur(20px); }
.signal { position: absolute; z-index: -2; width: 420px; height: 420px; border: 1px solid rgba(36,217,239,.15); border-radius: 50%; }
.signal-two { width: 540px; height: 540px; border-color: rgba(186,255,42,.08); }
.phone-shell { width: min(326px, 78vw); min-height: 594px; position: relative; padding: 18px 17px 14px; overflow: hidden; border: 1px solid rgba(186,255,42,.2); border-radius: 42px; background: linear-gradient(165deg, #111b18, #050807 70%); box-shadow: 0 40px 100px rgba(0,0,0,.7), inset 0 0 0 7px #020403; }
.phone-top { display: flex; justify-content: space-between; padding: 1px 12px 14px; color: #92a79f; font-size: .67rem; }
.app-head { display: grid; grid-template-columns: 34px 1fr 34px; align-items: center; }
.app-head img { width: 39px; margin: auto; }
.app-head button { border: 0; color: #93aaa1; background: none; font-size: 1rem; }
.avatar { width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid rgba(32,232,137,.4); border-radius: 50%; color: var(--green); background: rgba(32,232,137,.08); font-size: .72rem; font-weight: 850; }
.presence { width: fit-content; display: flex; align-items: center; gap: 7px; margin: 32px auto 25px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: #b8c9c3; background: rgba(255,255,255,.025); font-size: .72rem; }
.presence i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.talk-button { width: 240px; height: 240px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px; margin: 0 auto; border: 1px solid rgba(32,232,137,.34); border-radius: 50%; background: radial-gradient(circle at 43% 35%, #1d332b, #0c1714 62%); box-shadow: inset 0 0 0 9px rgba(32,232,137,.035), 0 0 55px rgba(32,232,137,.08); }
.talk-button .wave { color: var(--cyan); font-size: 1.18rem; letter-spacing: 2px; }
.talk-button strong { font-size: 1.08rem; letter-spacing: .035em; }
.talk-button small { color: #7f978e; font-size: .72rem; }
.live-label { margin: 21px 0 0; color: #80968e; font-size: .72rem; text-align: center; }
.app-tabs { position: absolute; right: 16px; bottom: 15px; left: 16px; display: grid; grid-template-columns: repeat(3,1fr); padding: 8px; border: 1px solid var(--line); border-radius: 15px; color: #70877f; background: rgba(255,255,255,.025); font-size: .69rem; font-weight: 750; text-align: center; }
.app-tabs span { padding: 9px 3px; }
.app-tabs .active { border-radius: 9px; color: #062116; background: var(--green); }
.floating-card { position: absolute; display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(10,18,16,.91); box-shadow: 0 18px 45px rgba(0,0,0,.42); backdrop-filter: blur(12px); }
.floating-card b { font-size: .8rem; }
.floating-card span { color: #81988f; font-size: .67rem; }
.message-card { top: 112px; left: -5px; }
.call-card { right: -9px; bottom: 112px; }

.three-in-one, .ptt-story, .privacy { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.three-in-one { padding: 118px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 660px; margin-bottom: 48px; }
h2 { margin-bottom: 18px; font-size: clamp(2.35rem, 5vw, 4.4rem); line-height: .98; letter-spacing: -.055em; }
.section-heading > p:last-child, .ptt-copy > p, .closing > p:not(.eyebrow) { color: var(--muted); font-size: 1.04rem; line-height: 1.65; }
.mode-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }
.mode-grid article { min-height: 350px; position: relative; display: flex; align-items: flex-start; flex-direction: column; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.mode-grid article.featured { background: linear-gradient(150deg, rgba(32,232,137,.12), rgba(36,217,239,.045) 60%, var(--panel)); }
.mode-number { position: absolute; top: 23px; right: 25px; color: #5f756d; font-size: .72rem; font-weight: 750; }
.mode-icon { width: 53px; height: 53px; display: grid; place-items: center; margin-bottom: 48px; border: 1px solid rgba(32,232,137,.23); border-radius: 16px; color: var(--green); background: rgba(32,232,137,.06); font-weight: 900; letter-spacing: 2px; }
.mode-grid h3 { margin-bottom: 14px; font-size: 1.43rem; letter-spacing: -.035em; }
.mode-grid p { color: var(--muted); font-size: .91rem; line-height: 1.62; }
.mode-grid strong { margin-top: auto; color: var(--green); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }

.ptt-story { min-height: 720px; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 92px; padding: 100px 0; }
.ptt-visual { min-height: 500px; position: relative; display: grid; place-items: center; }
.ptt-visual::before { content: ""; position: absolute; width: 310px; height: 310px; border-radius: 50%; background: radial-gradient(circle, rgba(32,232,137,.11), transparent 67%); }
.ptt-visual img { width: 250px; position: relative; z-index: 2; filter: drop-shadow(0 0 40px rgba(32,232,137,.2)); }
.radar-ring { position: absolute; border: 1px solid rgba(32,232,137,.14); border-radius: 50%; }
.ring-a { width: 380px; height: 380px; }
.ring-b { width: 510px; height: 510px; border-color: rgba(36,217,239,.09); }
.status-pill { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 999px; color: #c8d8d2; background: rgba(8,15,13,.9); font-size: .73rem; box-shadow: 0 12px 30px rgba(0,0,0,.34); }
.status-pill i { width: 8px; height: 8px; border-radius: 50%; }
.status-pill.online { top: 66px; right: 5px; }
.status-pill.online i { background: var(--green); }
.status-pill.away { left: 0; bottom: 100px; }
.status-pill.away i { background: var(--yellow); }
.status-pill.dnd { right: 20px; bottom: 40px; }
.status-pill.dnd i { background: var(--red); }
.ptt-copy > p { max-width: 580px; }
.ptt-copy ul { display: grid; gap: 4px; margin: 32px 0 0; padding: 0; list-style: none; }
.ptt-copy li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.ptt-copy li > span { color: var(--green); font-size: .7rem; font-weight: 850; }
.ptt-copy li div { display: grid; gap: 5px; }
.ptt-copy li b { font-size: .93rem; }
.ptt-copy li small { color: var(--muted); font-size: .82rem; line-height: 1.5; }

.privacy { padding: 95px 0 105px; border-top: 1px solid var(--line); }
.privacy > div:first-child { max-width: 670px; }
.privacy-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; margin-top: 42px; }
.privacy-grid article { padding: 25px; border-left: 2px solid var(--green); background: linear-gradient(90deg, rgba(32,232,137,.07), transparent); }
.privacy-grid b { font-size: .94rem; }
.privacy-grid p { margin: 11px 0 0; color: var(--muted); font-size: .86rem; line-height: 1.55; }
.closing { width: min(920px, calc(100% - 40px)); margin: 70px auto 120px; padding: 88px 40px; border: 1px solid rgba(32,232,137,.2); border-radius: 32px; background: radial-gradient(circle at 50% 10%, rgba(32,232,137,.15), transparent 52%), var(--panel); text-align: center; }
.closing img { width: 92px; margin: 0 auto 15px; }
.closing h2 { margin-bottom: 14px; }
.closing > p:not(.eyebrow) { margin-bottom: 28px; }
footer { width: min(1180px, calc(100% - 40px)); min-height: 115px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; margin: 0 auto; border-top: 1px solid var(--line); color: #70877f; font-size: .76rem; }
footer p { margin: 0; text-align: center; }
footer > div { display: flex; justify-content: flex-end; gap: 18px; }
footer .brand { color: #dce9e4; }

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .header-link { margin-left: auto; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { max-width: 720px; }
  .product-stage { margin-top: 10px; }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-grid article { min-height: 280px; }
  .ptt-story { grid-template-columns: 1fr; gap: 35px; }
  .ptt-copy { order: -1; }
  .privacy-grid { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; padding: 28px 0; text-align: center; }
  footer .brand, footer > div { justify-content: center; }
}

@media (max-width: 560px) {
  .site-header { width: min(100% - 28px, 1180px); height: 70px; }
  .header-link { padding: 9px 12px; font-size: .78rem; }
  .hero, .three-in-one, .ptt-story, .privacy { width: min(100% - 28px, 1180px); }
  .hero { min-height: auto; gap: 18px; padding: 56px 0 72px; }
  h1 { font-size: clamp(3.15rem, 16vw, 4.25rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .trust-line { display: grid; }
  .product-stage { min-height: 620px; }
  .floating-card { display: none; }
  .phone-shell { width: min(320px, 92vw); }
  .three-in-one, .privacy { padding: 78px 0; }
  .mode-grid article { padding: 24px; }
  .ptt-story { padding: 65px 0; }
  .ptt-visual { min-height: 400px; transform: scale(.87); }
  .closing { width: min(100% - 28px, 920px); margin: 45px auto 80px; padding: 60px 23px; }
  footer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: no-preference) {
  .signal-one { animation: breathe 4.5s ease-in-out infinite; }
  .signal-two { animation: breathe 4.5s 1.1s ease-in-out infinite; }
  @keyframes breathe { 50% { transform: scale(1.035); opacity: .58; } }
}
