/* OmniX Monitor — public presentation site. No external resource. */
:root {
  --bg: #060a14;
  --bg-2: #0a1020;
  --panel: rgba(17, 25, 42, 0.72);
  --panel-solid: #0f1729;
  --line: rgba(148, 163, 184, 0.14);
  --line-2: rgba(148, 163, 184, 0.24);
  --text: #cbd5e1;
  --strong: #f8fafc;
  --muted: #8a9ab3;
  --accent: #22d3ee;
  --accent-2: #3b82f6;
  --accent-3: #8b5cf6;
  --grad: linear-gradient(120deg, #22d3ee 0%, #3b82f6 50%, #8b5cf6 100%);
  --hot: #f97316;
  --ok: #22c55e;
  --warn: #f59e0b;
  --red: #ef4444;
  --radius: 18px;
  --font: "Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(148, 163, 184, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { color: var(--strong); line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(860px, 100% - 32px); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--strong); color: var(--bg); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tiny { font-size: 13px; color: var(--muted); }
.hide-sm { }

/* ---------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: 12px; font: 600 14.5px var(--font); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s, border-color .2s; white-space: nowrap; }
.btn-lg { height: 52px; padding: 0 24px; font-size: 16px; border-radius: 14px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -10px rgba(59, 130, 246, .7); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 40px -12px rgba(59, 130, 246, .9); }
.btn-ghost { background: rgba(148, 163, 184, .06); color: var(--strong); border-color: var(--line-2); }
.btn-ghost:hover { background: rgba(148, 163, 184, .12); }

/* ---------------------------------------------------------------- nav */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .25s, border-color .25s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(6, 10, 20, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--strong); font-weight: 700; font-size: 18px; letter-spacing: .01em; }
.brand b { color: var(--accent); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 14.5px; font-weight: 500; padding: 8px 12px; border-radius: 10px; }
.nav-links a:hover { color: var(--strong); background: rgba(148, 163, 184, .08); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.burger { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-2); background: transparent; cursor: pointer; padding: 12px 11px; flex-direction: column; justify-content: space-between; }
.burger span { display: block; height: 2px; background: var(--strong); border-radius: 2px; transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------------------------------------------------------------- hero */
.hero { position: relative; padding: 140px 0 40px; overflow: hidden; }
.hero-glow { position: absolute; inset: -20% -10% auto; height: 900px; background:
  radial-gradient(600px 400px at 18% 20%, rgba(34, 211, 238, .16), transparent 70%),
  radial-gradient(700px 500px at 80% 10%, rgba(139, 92, 246, .18), transparent 70%),
  radial-gradient(600px 400px at 60% 70%, rgba(59, 130, 246, .12), transparent 70%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(148, 163, 184, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, .05) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 70%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); padding: 6px 14px; border-radius: 999px; background: rgba(34, 211, 238, .08); border: 1px solid rgba(34, 211, 238, .22); }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(34, 197, 94, .7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); } }
.hero h1 { font-size: clamp(36px, 4.6vw, 60px); margin: 22px 0 22px; font-weight: 800; }
.lead { font-size: clamp(17px, 1.5vw, 19.5px); color: #b6c3d6; max-width: 600px; }
.lead strong { color: var(--strong); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-points { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 8px; color: var(--muted); font-size: 15px; }
.hero-points li { display: flex; gap: 10px; align-items: center; }
.hero-points i { width: 18px; height: 18px; border-radius: 50%; background: rgba(34, 197, 94, .15); position: relative; flex: none; }
.hero-points i::after { content: ""; position: absolute; left: 6px; top: 3px; width: 5px; height: 9px; border: solid var(--ok); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.hero-visual { position: relative; }
.frame-hero { transform: perspective(1800px) rotateY(-7deg) rotateX(3deg); transform-origin: left center; transition: transform .6s; }
.hero-visual:hover .frame-hero { transform: none; }
.phone-hero { position: absolute; left: -48px; bottom: -36px; width: 250px; transform: rotate(-4deg); }
.trust { position: relative; z-index: 1; margin-top: 84px; display: flex; gap: 20px; align-items: center; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 26px; }
.trust > span { font-size: 12.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 600; }
.trust ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; color: #9fb0c8; font-size: 14.5px; font-weight: 500; }
.trust li::before { content: "●"; color: var(--accent); font-size: 8px; vertical-align: middle; margin-right: 8px; }

/* ---------------------------------------------------------------- frames (screenshots) */
.frame { margin: 0; border-radius: 14px; overflow: hidden; background: var(--panel-solid); box-shadow: var(--shadow); border: 1px solid var(--line-2); cursor: zoom-in; position: relative; }
.frame-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; background: #0c1324; border-bottom: 1px solid var(--line); }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ef4444; opacity: .85; }
.frame-bar i:nth-child(2) { background: #f59e0b; }
.frame-bar i:nth-child(3) { background: #22c55e; }
.frame-bar span { margin-left: 10px; font: 12px var(--mono); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.frame img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; background: #0b1220; }
.frame figcaption { padding: 12px 16px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); background: var(--panel-solid); }

/* ---------------------------------------------------------------- phone + SMS */
.phone { background: #0b0f19; border-radius: 34px; padding: 14px 12px 16px; border: 1px solid #2a3550; box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .9), inset 0 0 0 6px #121a2b; position: relative; }
.phone-notch { width: 90px; height: 20px; background: #05080f; border-radius: 0 0 14px 14px; margin: -14px auto 10px; }
.phone-head { display: flex; flex-direction: column; align-items: center; padding: 2px 0 10px; border-bottom: 1px solid rgba(148, 163, 184, .12); margin-bottom: 10px; }
.phone-head b { color: var(--strong); font-size: 13.5px; }
.phone-head span { color: var(--muted); font-size: 11px; }
.sms { background: #1c2436; color: #e2e8f0; border-radius: 16px 16px 16px 4px; padding: 8px 11px; font-size: 12.5px; line-height: 1.45; margin: 0 12px 8px 0; border-left: 3px solid var(--red); }
.sms b { color: #fca5a5; }
.sms.warn { border-left-color: var(--warn); } .sms.warn b { color: #fcd34d; }
.sms.ok { border-left-color: var(--ok); } .sms.ok b { color: #86efac; }
.sms-day { text-align: center; font-size: 10.5px; color: var(--muted); margin: 0 0 10px; }
.sms-input { margin-top: 14px; height: 32px; border-radius: 16px; border: 1px solid rgba(148, 163, 184, .2); display: flex; align-items: center; padding: 0 14px; font-size: 12px; color: var(--muted); }
.phone-lg { width: 330px; padding: 16px 14px 18px; }
.phone-lg .sms { font-size: 13.5px; }
.phone-hero .sms { opacity: 0; transform: translateY(8px); animation: smsIn .5s forwards; }
.phone-hero .sms:nth-of-type(1) { animation-delay: .8s; }
.phone-hero .sms:nth-of-type(2) { animation-delay: 2.2s; }
@keyframes smsIn { to { opacity: 1; transform: none; } }

/* ---------------------------------------------------------------- sections */
.section { padding: 110px 0; position: relative; }
.head { max-width: 780px; margin-bottom: 52px; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.kicker-hot { color: var(--hot); }
.section h2 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; }
.sub { font-size: 18px; color: #a7b5ca; margin-top: 18px; }
.sub strong { color: var(--strong); }
.note { margin-top: 18px; font-size: 14.5px; color: var(--muted); padding-left: 14px; border-left: 2px solid var(--line-2); }

.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 19px; margin: 18px 0 10px; }
.card p { color: #9fb0c8; font-size: 15.5px; }
.ic { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; }
.ic svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic-red { background: rgba(239, 68, 68, .12); color: #f87171; }
.ic-amber { background: rgba(245, 158, 11, .12); color: #fbbf24; }
.ic-blue { background: rgba(59, 130, 246, .12); color: #60a5fa; }

/* SMS section */
.section-sms { background: linear-gradient(180deg, var(--bg) 0%, #0b0f1f 18%, #0b0f1f 82%, var(--bg) 100%); overflow: hidden; }
.sms-bg { position: absolute; inset: 0; background: radial-gradient(700px 500px at 15% 35%, rgba(249, 115, 22, .12), transparent 70%), radial-gradient(600px 500px at 90% 60%, rgba(34, 211, 238, .08), transparent 70%); pointer-events: none; }
.section-sms .wrap { position: relative; }
.sms-grid { display: grid; grid-template-columns: 380px 1fr; gap: 64px; align-items: start; }
.sms-phone { position: sticky; top: 110px; display: flex; justify-content: center; }
.sms-points { display: grid; gap: 18px; }
.pt { display: flex; gap: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.pt .num { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, #f97316, #ef4444); box-shadow: 0 8px 20px -8px rgba(249, 115, 22, .8); }
.pt h3 { font-size: 19px; margin-bottom: 8px; }
.pt p { color: #a7b5ca; font-size: 15.5px; }
.pt strong { color: var(--strong); }
.channels { margin-top: 56px; text-align: center; }
.channels p { color: var(--muted); margin-bottom: 16px; }
.channels ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.channels li { padding: 7px 14px; border-radius: 999px; background: rgba(148, 163, 184, .07); border: 1px solid var(--line); font-size: 14px; color: #c3cfe0; }
.channels li:first-child { background: rgba(249, 115, 22, .12); border-color: rgba(249, 115, 22, .4); color: #fdba74; font-weight: 600; }
.shots2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 56px; }

/* roles tabs */
.tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); margin-bottom: 36px; flex-wrap: wrap; }
.tabs button { font: 600 15px var(--font); color: var(--muted); background: transparent; border: 0; padding: 10px 20px; border-radius: 10px; cursor: pointer; }
.tabs button[aria-selected="true"] { color: #fff; background: var(--grad); box-shadow: 0 8px 20px -10px rgba(59, 130, 246, .8); }
.panel { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; animation: fade .35s; }
.panel[hidden] { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.panel h3 { font-size: 26px; margin-bottom: 22px; }
.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; color: #a7b5ca; font-size: 15.5px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px; background: rgba(34, 211, 238, .12); }
.checks li::after { content: ""; position: absolute; left: 7px; top: 7px; width: 5px; height: 9px; border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.checks b { color: var(--strong); font-weight: 600; }
.panel-quote { margin-top: 26px; font-size: 17px; color: var(--strong); padding: 18px 22px; border-radius: 14px; background: rgba(139, 92, 246, .08); border: 1px solid rgba(139, 92, 246, .25); }

/* split */
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.split-rev { grid-template-columns: 1.2fr 1fr; }
.section-ai { background: radial-gradient(800px 500px at 85% 50%, rgba(139, 92, 246, .12), transparent 70%); }
.steps { margin: 26px 0 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 16px; }
.steps li { counter-increment: s; position: relative; padding: 18px 20px 18px 66px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); color: #a7b5ca; }
.steps li::before { content: counter(s); position: absolute; left: 18px; top: 16px; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--grad); }
.steps b { color: var(--strong); }

/* gallery */
.gallery { display: grid; grid-template-columns: 230px 1fr; gap: 28px; align-items: start; }
.g-tabs { display: flex; flex-direction: column; gap: 4px; }
.g-tabs button { text-align: left; font: 600 15px var(--font); color: var(--muted); background: transparent; border: 1px solid transparent; padding: 12px 16px; border-radius: 12px; cursor: pointer; transition: background .2s, color .2s; }
.g-tabs button:hover { color: var(--strong); background: rgba(148, 163, 184, .06); }
.g-tabs button[aria-selected="true"] { color: var(--strong); background: var(--panel); border-color: var(--line-2); box-shadow: inset 3px 0 0 var(--accent); }
.g-frame img { transition: opacity .25s; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 64px; }
.feat { padding: 24px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.feat h3 { font-size: 17px; margin-bottom: 8px; }
.feat h3::before { content: ""; display: block; width: 28px; height: 3px; border-radius: 3px; background: var(--grad); margin-bottom: 16px; }
.feat p { font-size: 14.5px; color: #9fb0c8; }

/* security */
.section-sec { background: linear-gradient(180deg, var(--bg), #08101e 50%, var(--bg)); }
.sec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sec { padding: 28px 24px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.sec b { display: block; font-size: 34px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; letter-spacing: -0.02em; }
.sec span { color: #a7b5ca; font-size: 15px; }

/* demo */
.demo-box { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; padding: 52px; border-radius: 26px; background: linear-gradient(135deg, rgba(34, 211, 238, .12), rgba(139, 92, 246, .14)); border: 1px solid rgba(139, 92, 246, .3); position: relative; overflow: hidden; }
.demo-box::before { content: ""; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(59, 130, 246, .3), transparent 70%); }
.creds { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 0; }
.creds div { padding: 12px 16px; border-radius: 12px; background: rgba(6, 10, 20, .55); border: 1px solid var(--line-2); }
.creds dt { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.creds dd { margin: 2px 0 0; }
.creds code { font: 600 15px var(--mono); color: var(--strong); user-select: all; }
.demo-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; position: relative; }

/* faq */
.faq { display: grid; gap: 10px; }
.faq details { border-radius: 14px; background: var(--panel); border: 1px solid var(--line); padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; font-weight: 600; color: var(--strong); padding: 20px 30px 20px 0; position: relative; font-size: 16.5px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 16px; font-size: 24px; color: var(--accent); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 20px; color: #a7b5ca; }

/* contact */
.section-contact { background: radial-gradient(700px 500px at 10% 30%, rgba(34, 211, 238, .1), transparent 70%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.direct { margin-top: 28px; display: grid; gap: 10px; }
.direct a { display: inline-flex; align-items: center; gap: 10px; color: var(--strong); text-decoration: none; font-weight: 600; }
.direct a span { color: var(--muted); font-weight: 500; }
.form { display: grid; gap: 16px; padding: 32px; border-radius: 22px; background: var(--panel); border: 1px solid var(--line-2); box-shadow: var(--shadow); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 13.5px; font-weight: 600; color: #b6c3d6; }
.form input, .form select, .form textarea { font: 15px var(--font); color: var(--strong); background: rgba(6, 10, 20, .6); border: 1px solid var(--line-2); border-radius: 11px; padding: 11px 13px; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(34, 211, 238, .18); }
.form textarea { resize: vertical; }
.form [aria-invalid="true"] { border-color: var(--red); }
#form-status.ok { color: var(--ok); } #form-status.err { color: #f87171; }

/* footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0; }
.foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; }
.foot > p { color: var(--muted); font-size: 14px; }
.foot nav { display: flex; gap: 18px; margin-left: auto; }
.foot nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.foot nav a:hover { color: var(--strong); }
.copy { width: 100%; font-size: 13px; color: #5d6d86 !important; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(3, 6, 12, .9); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 24px; cursor: zoom-out; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(1600px, 100%); max-height: 92vh; border-radius: 12px; box-shadow: var(--shadow); }
.lightbox button { position: absolute; top: 16px; right: 20px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); background: rgba(15, 23, 41, .8); color: var(--strong); font-size: 26px; cursor: pointer; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .phone-hero .sms { animation: none; opacity: 1; transform: none; }
  .dot-live { animation: none; }
  .frame-hero { transform: none; }
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1080px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; padding: 12px 16px 20px; background: rgba(6, 10, 20, .97); border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 16px; }
  .burger { display: flex; }
  .hero-grid, .split, .split-rev, .panel, .contact-grid, .demo-box { grid-template-columns: 1fr; }
  .split-rev > figure { order: 2; }
  .hero { padding-top: 120px; }
  .frame-hero { transform: none; }
  .phone-hero { left: auto; right: 12px; bottom: -40px; width: 210px; }
  .sms-grid { grid-template-columns: 1fr; }
  .sms-phone { position: static; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: 1fr; }
  .g-tabs { flex-direction: row; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
  .g-tabs button { white-space: nowrap; }
  .g-tabs button[aria-selected="true"] { box-shadow: inset 0 -3px 0 var(--accent); }
}
@media (max-width: 640px) {
  .hide-sm { display: none; }
  .nav-cta .btn-primary { height: 38px; padding: 0 12px; font-size: 13px; }
  .section { padding: 76px 0; }
  .hero h1 { font-size: 34px; }
  .hero-cta .btn { width: 100%; }
  .phone-hero { position: relative; right: auto; bottom: auto; margin: -30px auto 0; transform: none; width: 92%; max-width: 300px; }
  .trust { margin-top: 56px; }
  .cards3, .shots2, .features, .sec-grid, .row2 { grid-template-columns: 1fr; }
  .phone-lg { width: 100%; max-width: 340px; }
  .pt { padding: 20px; gap: 14px; }
  .demo-box { padding: 30px 22px; }
  .form { padding: 22px; }
  .foot nav { margin-left: 0; }
  .tabs { display: flex; width: 100%; }
  .tabs button { flex: 1; padding: 10px 8px; font-size: 14px; }
}

/* grid and flex children may shrink below their content (long words, screenshots) */
.hero-grid > *, .split > *, .panel > *, .contact-grid > *, .sms-grid > *, .gallery > *, .demo-box > *, .cards3 > *, .features > * { min-width: 0; }
.brand { white-space: nowrap; }
.nav-links .only-sm { display: none; }
@media (max-width: 1080px) { .nav-links .only-sm { display: block; } }
@media (max-width: 640px) {
  .nav-cta .btn-primary { display: none; }
  .hero h1 { overflow-wrap: break-word; }
  .frame-bar span { font-size: 11px; }
}