/* VeriBOX-S landing — style chính (tông màu, nhịp khối theo eDriveID) */
:root {
  --navy-900: #050f26;
  --navy-800: #071a3d;
  --navy-700: #0a2b5e;
  --blue-700: #0a3f88;
  --blue-600: #0b4ea2;
  --blue-500: #1463c6;
  --blue-100: #e3edfb;
  --blue-50: #f0f5fd;
  --cyan: #00aeef;
  --cyan-300: #6fd3f7;
  --amber: #f2a900;
  --amber-600: #d99600;
  --green: #16a34a;
  --green-300: #4ade80;
  --red: #dc2626;

  --ink: #0f1b33;
  --ink-2: #3b4a63;
  --ink-3: #66748c;
  --line: #d9e2ef;
  --bg: #ffffff;
  --bg-tint: #f4f7fb;

  --on-dark: #ffffff;
  --on-dark-2: #c3d3ec;
  --on-dark-3: #8ea6cc;
  --dark-line: #ffffff1f;

  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --r-band: 28px;
  --shadow: 0 1px 2px #0f1b330d, 0 8px 24px -12px #0f1b3333;
  --shadow-lg: 0 30px 60px -30px #0a2b5e66, 0 8px 20px -10px #0a2b5e33;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }
.i { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: var(--r-sm); background: var(--blue-600); color: #fff; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; border-radius: 6px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 22px; border-radius: 12px; border: 1px solid transparent; font-weight: 600; font-size: 15px; text-decoration: none; white-space: nowrap; transition: background .2s, border-color .2s, transform .2s var(--ease), box-shadow .2s; }
.btn .i { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.btn:hover .i { transform: translateX(3px); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; border-radius: 10px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); }
.btn-accent { background: var(--amber); color: #1d1300; box-shadow: 0 8px 22px -10px #f2a900cc; }
.btn-accent:hover { background: #ffbb1f; transform: translateY(-1px); }
.btn-ghost { color: #fff; border-color: #ffffff40; background: #ffffff0d; }
.btn-ghost:hover { border-color: var(--cyan-300); background: #ffffff1a; }
.btn-ghost-light { color: #fff; border-color: #ffffff4d; background: transparent; }
.btn-ghost-light:hover { background: #ffffff14; }
.btn[disabled] { opacity: .6; pointer-events: none; }

/* ---------- Header ---------- */
.progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 60; background: linear-gradient(90deg, var(--cyan), var(--blue-600)); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }
.header { position: sticky; top: 0; z-index: 50; background: #ffffffeb; backdrop-filter: saturate(1.6) blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.header.scrolled { border-color: var(--line); box-shadow: 0 6px 20px -16px #0f1b3366; }
.header-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: auto; height: 40px; display: block; }
.brand-name { white-space: nowrap; font-weight: 800; font-size: 21px; letter-spacing: -.02em; }
.brand-name b { color: var(--blue-600); font-weight: 800; }
.brand-by { font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); border-left: 1px solid var(--line); padding-left: 10px; }
.brand.on-dark { color: #fff; }
.brand.on-dark .brand-mark { height: 34px; padding: 5px 7px; background: #fff; border-radius: 10px; box-sizing: content-box; }
.brand.on-dark .brand-name b { color: var(--cyan-300); }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; font-size: 14.5px; font-weight: 500; color: var(--ink-2); text-decoration: none; transition: color .2s, background .2s; }
.nav a:hover { color: var(--blue-600); background: var(--blue-50); }
.nav a.active { color: var(--blue-600); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.hotline { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14.5px; color: var(--blue-700); text-decoration: none; }
.hotline .i { width: 18px; height: 18px; color: var(--blue-600); }
.menu-btn { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.mobile-nav { display: none; }

/* ---------- Shared section bits ---------- */
.band-wrap { padding: 16px 24px; }
.band { position: relative; max-width: 1392px; margin: 0 auto; border-radius: var(--r-band); overflow: hidden; padding: 88px 0; }
.band.dark { background: radial-gradient(1200px 500px at 85% -10%, #1463c64d, transparent 60%), radial-gradient(900px 500px at 0% 110%, #00aeef26, transparent 60%), linear-gradient(160deg, var(--navy-700), var(--navy-800) 55%, var(--navy-900)); color: var(--on-dark); }
.band.tint { background: var(--bg-tint); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-600); }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: repeating-linear-gradient(90deg, currentColor 0 7px, transparent 7px 11px); }
.eyebrow.on-dark { color: var(--cyan-300); }
.eyebrow .dot { display: none; }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.sec-head h2 { margin-top: 12px; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.2; letter-spacing: -.02em; font-weight: 800; }
.sec-head .sec-sub { margin-top: 14px; color: var(--ink-2); font-size: 17px; }
.sec-head .sec-sub a { color: var(--blue-600); font-weight: 600; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.hl { color: var(--blue-600); }
.on-dark .hl, .dark .hl { color: var(--cyan-300); }

/* reveal */
.js .rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease) var(--d, 0ms), transform .7s var(--ease) var(--d, 0ms); }
.js .rv.in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 76px; background: radial-gradient(700px 520px at 76% 48%, #1463c666, transparent 65%), radial-gradient(600px 420px at 10% 0%, #00aeef22, transparent 60%), linear-gradient(155deg, #0b2e66, var(--navy-800) 50%, var(--navy-900)); color: #fff; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(#ffffff14 1px, transparent 1px); background-size: 26px 26px; mask-image: radial-gradient(ellipse 70% 70% at 70% 50%, #000 20%, transparent 75%); }
.hero-bg .ring { position: absolute; left: 74%; top: 50%; border: 1px dashed #6fd3f733; border-radius: 50%; transform: translate(-50%, -50%); }
.hero-bg .r1 { width: 420px; height: 420px; }
.hero-bg .r2 { width: 600px; height: 600px; border-color: #6fd3f71f; }
.hero-bg .r3 { width: 800px; height: 800px; border-color: #6fd3f712; }
.hero-in { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero h1 { margin-top: 18px; font-size: clamp(36px, 5vw, 60px); line-height: 1.08; letter-spacing: -.03em; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--cyan-300); }
.hero h1 em.am { color: var(--amber); }
.hero .lead { margin-top: 20px; max-width: 540px; font-size: 18px; color: var(--on-dark-2); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 0; margin-top: 36px; }
.hero-proof li { display: flex; flex-direction: column; padding: 0 20px; border-left: 1px solid var(--dark-line); }
.hero-proof li:first-child { padding-left: 0; border-left: 0; }
.hero-proof b { color: var(--cyan-300); font-size: 16px; }
.hero-proof span { font-size: 13px; color: var(--on-dark-3); }

.hero-visual { position: relative; height: 560px; }
.hv-glow { position: absolute; left: 50%; top: 52%; width: 380px; height: 380px; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, #00aeef55, #1463c622 45%, transparent 70%); filter: blur(10px); }
.hv-device { position: absolute; left: 50%; top: 50%; width: 270px; transform: translate(-50%, -50%); filter: drop-shadow(0 40px 40px #00000080) drop-shadow(0 0 1px #6fd3f799); animation: float 6s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 10px)); } }
.hv-waves { position: absolute; left: 50%; top: 40%; width: 0; height: 0; }
.hv-waves i { position: absolute; left: 0; top: 0; width: 240px; height: 240px; margin: -120px 0 0 -120px; border-radius: 50%; border: 2px solid #6fd3f7; opacity: 0; animation: wave 3s ease-out infinite; }
.hv-waves i:nth-child(2) { animation-delay: 1s; }
.hv-waves i:nth-child(3) { animation-delay: 2s; }
@keyframes wave { 0% { transform: scale(.55); opacity: .55; } 100% { transform: scale(1.7); opacity: 0; } }
.hv-chips .chip { position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 12px 10px 10px; border-radius: 14px; background: #0b2147d9; border: 1px solid #ffffff26; backdrop-filter: blur(10px); box-shadow: 0 18px 36px -18px #000c; min-width: 210px; opacity: .45; transform: translateY(6px) scale(.97); transition: opacity .5s var(--ease), transform .5s var(--ease), border-color .5s; }
.hv-chips .chip > .i:first-child { width: 34px; height: 34px; padding: 7px; border-radius: 10px; background: #ffffff14; color: var(--cyan-300); }
.hv-chips .chip span { display: flex; flex-direction: column; line-height: 1.3; }
.hv-chips .chip b { font-size: 14px; }
.hv-chips .chip small { font-size: 12px; color: var(--on-dark-3); }
.hv-chips .chip .ok { margin-left: auto; width: 22px; height: 22px; padding: 3px; border-radius: 50%; background: #ffffff14; color: transparent; stroke-width: 3; transition: background .4s, color .4s; }
.hv-chips .chip.on { opacity: 1; transform: none; border-color: #4ade8066; }
.hv-chips .chip.on .ok { background: var(--green); color: #fff; }
.hv-chips .c1 { left: 0; top: 70px; }
.hv-chips .c2 { right: 0; top: 150px; }
.hv-chips .c3 { left: -10px; top: 330px; }
.hv-chips .c4 { right: -6px; top: 410px; }
.hv-status { position: absolute; left: 50%; bottom: 6px; transform: translateX(-50%); padding: 8px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600; background: #ffffff14; border: 1px solid #ffffff26; white-space: nowrap; }
.hv-status .s-ok { display: none; color: var(--green-300); }
.hero-visual.done .hv-status { background: #16a34a26; border-color: #4ade8066; }
.hero-visual.done .s-wait { display: none; }
.hero-visual.done .s-ok { display: inline; }

/* ---------- Trust / eco ---------- */
.trust { padding: 40px 0 28px; }
.trust-in { display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap; }
.trust-lead { display: flex; align-items: center; gap: 18px; max-width: 520px; color: var(--ink-2); font-size: 15px; }
.trust-lead img { width: 112px; height: auto; flex: none; }
.eco { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.eco a { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 14px; font-weight: 600; color: var(--blue-700); text-decoration: none; transition: border-color .2s, transform .2s var(--ease), box-shadow .2s; }
.eco a:hover { border-color: var(--blue-500); transform: translateY(-2px); box-shadow: var(--shadow); }
.eco img { width: 28px; height: 28px; border-radius: 50%; object-fit: contain; background: var(--blue-50); }

/* ---------- Pain ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain { position: relative; padding: 26px; border-radius: var(--r-lg); background: #ffffff0a; border: 1px solid var(--dark-line); transition: border-color .3s, background .3s, transform .3s var(--ease); }
.pain:hover { border-color: #f2a90066; background: #ffffff10; transform: translateY(-3px); }
.pi { display: inline-flex; width: 46px; height: 46px; align-items: center; justify-content: center; border-radius: 12px; background: #f2a9001f; color: var(--amber); }
.pi .i { width: 24px; height: 24px; }
.pain h3 { margin-top: 18px; font-size: 18px; line-height: 1.35; }
.pain p { margin-top: 8px; font-size: 15px; color: var(--on-dark-2); }
.pain-answer { display: flex; align-items: center; gap: 14px; margin-top: 30px; padding: 18px 22px; border-radius: var(--r); background: linear-gradient(90deg, #00aeef26, #00aeef05); border: 1px solid #6fd3f740; font-size: 18px; }
.pain-answer .i { width: 30px; height: 30px; color: var(--green-300); }
.pain-answer b { color: var(--cyan-300); }

/* ---------- Tagline ---------- */
.tagline-sec { padding: 80px 0; }
.tagline-in { display: grid; grid-template-columns: auto 1fr; column-gap: 56px; row-gap: 10px; align-items: end; }
.tagline-in .eyebrow { grid-column: 1 / -1; }
.tagline { font-size: clamp(30px, 4.4vw, 52px); font-weight: 800; line-height: 1.12; letter-spacing: -.03em; }
.tagline span { display: block; }
.tagline em { font-style: normal; color: var(--blue-600); }
.tagline-sub { max-width: 440px; color: var(--ink-2); font-size: 17px; padding-bottom: 8px; }

/* ---------- Process + app mock ---------- */
.proc { display: grid; grid-template-columns: 380px 1fr; gap: 32px; align-items: start; }
.proc-steps { display: flex; flex-direction: column; gap: 12px; counter-reset: s; }
.pstep { position: relative; display: flex; gap: 16px; width: 100%; padding: 20px; text-align: left; border-radius: var(--r); border: 1px solid var(--line); background: #fff; overflow: hidden; transition: border-color .25s, box-shadow .25s, transform .25s var(--ease); }
.pstep:hover { border-color: #b5c8e6; }
.pstep[aria-selected="true"] { border-color: var(--blue-600); box-shadow: var(--shadow-lg); transform: translateX(4px); }
.pn { flex: none; width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; background: var(--blue-50); color: var(--blue-600); font-weight: 800; font-size: 15px; transition: background .25s, color .25s; }
.pstep[aria-selected="true"] .pn { background: var(--blue-600); color: #fff; }
.pt { display: flex; flex-direction: column; gap: 4px; }
.pt b { font-size: 16.5px; }
.pt small { font-size: 14px; color: var(--ink-3); line-height: 1.5; }
.pstep .prog { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--cyan), var(--blue-600)); transform: scaleX(0); transform-origin: 0 50%; }
.pstep[aria-selected="true"] .prog { animation: prog var(--dur, 5s) linear forwards; }
.paused .pstep .prog { animation-play-state: paused; }
@keyframes prog { to { transform: scaleX(1); } }

.app { border-radius: 14px; background: #fff; border: 1px solid #c9d6ea; box-shadow: var(--shadow-lg); overflow: hidden; font-size: 13px; }
.app-bar { display: flex; align-items: center; justify-content: space-between; height: 38px; padding: 0 14px; background: #4a80c4; color: #fff; }
.app-title { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13.5px; }
.app-title .i { width: 16px; height: 16px; stroke-width: 3; }
.app-dots { display: flex; gap: 6px; }
.app-dots i { width: 10px; height: 10px; border-radius: 3px; border: 1.5px solid #ffffffb3; }
.app-body { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 10px; padding: 12px; }
.app-col { border: 1px solid #e2e9f3; border-radius: 8px; padding: 10px 12px 12px; min-width: 0; }
.app-h { font-weight: 700; color: #3b6db3; font-size: 12.5px; margin-bottom: 8px; }
.app-h:not(:first-child) { margin-top: 12px; }
.avatar { width: 74px; height: 74px; margin: 2px auto 10px; border-radius: 50%; background: #4a80c4; overflow: hidden; transition: border-radius .4s, background .4s; }
.avatar svg { width: 100%; height: 100%; fill: #fff; }
.app[data-state="2"] .avatar { border-radius: 10px; background: linear-gradient(160deg, #c7d7ee, #93b2db); }
.app[data-state="2"] .avatar svg { fill: #f5f8fc; }
.fields { margin: 0; display: grid; gap: 6px; }
.fields div { display: grid; grid-template-columns: 88px 1fr; gap: 6px; align-items: center; }
.fields dt { font-size: 10.5px; font-weight: 700; color: #4a80c4; text-transform: uppercase; letter-spacing: .02em; }
.fields dd { margin: 0; height: 16px; border-radius: 4px; background: #eef2f8; font-size: 12px; font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 16px; transition: background .3s; }
.app[data-state="2"] .fields dd { background: transparent; }
.app[data-state="2"] .fields dd::before { content: attr(data-v); animation: fade .4s var(--ease) both; }
.fields div:nth-child(2) dd::before { animation-delay: .06s; }
.fields div:nth-child(3) dd::before { animation-delay: .12s; }
.fields div:nth-child(4) dd::before { animation-delay: .18s; }
.fields div:nth-child(5) dd::before { animation-delay: .24s; }
.fields div:nth-child(6) dd::before { animation-delay: .3s; }
@keyframes fade { from { opacity: 0; transform: translateX(-4px); } }
.checks { display: grid; gap: 8px; }
.checks li { display: flex; align-items: center; gap: 8px; font-weight: 600; color: #8a97ab; transition: color .3s; }
.checks .ck { flex: none; width: 16px; height: 16px; border-radius: 50%; border: 2px solid #c3cddb; position: relative; transition: background .3s, border-color .3s; }
.checks li.on { color: var(--green); }
.checks li.on .ck { background: var(--green); border-color: var(--green); }
.checks li.on .ck::after { content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.checks li.busy .ck { border-color: #f59e0b; border-top-color: transparent; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.dg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.dg li { font-size: 11.5px; color: #9aa6b8; padding: 3px 0; transition: color .3s; }
.app[data-state="1"] .dg li, .app[data-state="2"] .dg li { color: var(--ink); }
.cam { position: relative; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; background: linear-gradient(170deg, #5d6f8a, #2c3a52); }
.cam svg { position: absolute; inset: 0; width: 100%; height: 100%; fill: #9fb0c8; }
.cam-frame { position: absolute; left: 32%; top: 18%; width: 36%; height: 52%; border: 2px solid transparent; border-radius: 8px; transition: border-color .3s; }
.cam-scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); opacity: 0; }
.app[data-state="2"] .cam-frame { border-color: var(--green-300); }
.app[data-state="2"] .cam-scan { opacity: 1; animation: scan 1.6s ease-in-out 1 forwards; }
@keyframes scan { 0% { top: 0; } 100% { top: 100%; opacity: 0; } }
.score { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; padding: 8px 10px; border-radius: 6px; background: #f2f6fb; font-weight: 600; color: #3b6db3; }
.score b { color: var(--green); font-size: 12.5px; }
.app[data-state="2"] .score b::before { content: attr(data-v); animation: fade .4s .6s var(--ease) both; }
.score b::before { content: "—"; }
.app-status { position: relative; margin: 0 12px 10px; height: 40px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-style: italic; font-size: 15px; color: #fff; overflow: hidden; background: #e5e7eb; }
.app-status .st { display: none; position: relative; z-index: 1; }
.app[data-state="0"] .app-status { background: #fee2e2; color: var(--red); font-style: normal; font-size: 14px; }
.app[data-state="0"] .st0, .app[data-state="1"] .st1, .app[data-state="2"] .st2 { display: inline; }
.app[data-state="1"] .app-status { background: #fbbf24; }
.app[data-state="1"] .st-bar { position: absolute; inset: 0; background: linear-gradient(90deg, #fde68a, #fb923c); transform-origin: 0 50%; animation: grow 3.4s linear forwards; }
@keyframes grow { from { transform: scaleX(.05); } to { transform: scaleX(1); } }
.app[data-state="2"] .app-status { background: #22c55e; }
.app-note { padding: 0 12px 10px; text-align: right; font-size: 11px; color: var(--ink-3); }

/* ---------- Video ---------- */
.video-sec { padding: 96px 0 24px; }
.video-in { display: grid; grid-template-columns: 1fr auto; gap: 72px; align-items: center; }
.video-copy h2 { margin-top: 12px; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.2; letter-spacing: -.02em; font-weight: 800; }
.video-copy .sec-sub { margin-top: 14px; color: var(--ink-2); font-size: 17px; max-width: 560px; }
.video-points { display: grid; gap: 10px; margin-top: 24px; }
.video-points li { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.video-points .i { width: 38px; height: 38px; padding: 8px; border-radius: 10px; background: var(--blue-50); color: var(--blue-600); }
.video-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 30px; }
.video-yt { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink-2); text-decoration: none; }
.video-yt .i { width: 24px; height: 24px; color: #e11d48; }
.video-yt:hover { color: var(--blue-600); }
.phone { width: 320px; }
.phone-screen { position: relative; aspect-ratio: 9 / 16; border-radius: 34px; padding: 10px; background: #0b1424; box-shadow: 0 40px 70px -30px #0a2b5e99, inset 0 0 0 2px #2a3a57; }
.phone-screen video, .video-play { display: block; width: 100%; height: 100%; border: 0; border-radius: 26px; }
.video-play { position: relative; overflow: hidden; padding: 0; background: radial-gradient(260px 260px at 50% 42%, #1463c6aa, transparent 70%), linear-gradient(170deg, #0b2e66, var(--navy-900)); }
.video-play img { position: absolute; left: 50%; top: 44%; width: 52%; transform: translate(-50%, -50%); filter: drop-shadow(0 24px 24px #000a); transition: transform .5s var(--ease); }
.vp-btn { position: absolute; left: 50%; top: 44%; width: 76px; height: 76px; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; border-radius: 50%; background: #ffffffeb; color: var(--blue-600); box-shadow: 0 0 0 10px #ffffff2e, 0 16px 30px -10px #000c; transition: transform .3s var(--ease), box-shadow .3s; }
.vp-btn .i { width: 34px; height: 34px; margin-left: 4px; }
.video-play:hover .vp-btn { transform: translate(-50%, -50%) scale(1.08); box-shadow: 0 0 0 14px #ffffff26, 0 16px 30px -10px #000c; }
.video-play:hover img { transform: translate(-50%, -52%) scale(1.03); }
.vp-cap { position: absolute; left: 18px; right: 18px; bottom: 22px; color: #fff; font-size: 16px; text-align: left; line-height: 1.4; }
.vp-cap b { display: block; font-size: 20px; color: var(--cyan-300); }
.phone-screen video { object-fit: cover; background: #000; }
.vp-tag { position: absolute; left: 16px; top: 16px; padding: 4px 10px; border-radius: 999px; background: #00000080; color: #fff; font-size: 12px; font-weight: 700; }
.video-note { margin-top: 12px; text-align: center; font-size: 12.5px; color: var(--ink-3); }
@media (max-width: 1080px) { .video-in { grid-template-columns: 1fr; gap: 40px; } .phone { margin: 0 auto; } }
@media (max-width: 760px) { .video-sec { padding: 72px 0 8px; } .phone { width: min(300px, 100%); } }

/* ---------- Features ---------- */
.features { padding: 96px 0 88px; }
.seg { display: inline-flex; padding: 4px; border-radius: 999px; border: 1px solid var(--line); background: #fff; }
.seg button { height: 40px; padding: 0 18px; border: 0; border-radius: 999px; background: transparent; font-weight: 600; font-size: 14.5px; color: var(--ink-2); transition: background .25s, color .25s; }
.seg button[aria-selected="true"] { background: var(--blue-600); color: #fff; box-shadow: 0 6px 16px -8px #0b4ea2; }
.feat-panel { animation: fade .45s var(--ease); }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat, .ben { position: relative; padding: 24px; border-radius: var(--r-lg); border: 1px solid var(--line); background: #fff; transition: border-color .25s, box-shadow .25s, transform .25s var(--ease); }
.feat:hover, .ben:hover { border-color: #b5c8e6; box-shadow: var(--shadow); transform: translateY(-3px); }
.fi { display: inline-flex; width: 46px; height: 46px; align-items: center; justify-content: center; border-radius: 12px; background: var(--blue-50); color: var(--blue-600); }
.fi .i { width: 24px; height: 24px; }
.feat h3, .ben h3 { margin-top: 16px; font-size: 17px; line-height: 1.35; }
.feat p, .ben p { margin-top: 6px; color: var(--ink-3); font-size: 14.5px; }
.feat-key { background: linear-gradient(150deg, var(--blue-600), var(--blue-700)); border-color: transparent; color: #fff; }
.feat-key .fi { background: #ffffff1f; color: #fff; }
.feat-key p { color: #d6e4f7; }
.ben-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.ben { grid-column: span 2; }
.ben:nth-child(4) { grid-column: 2 / span 2; }

/* ---------- Specs ---------- */
.specs-in { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: center; }
.dim { position: relative; margin: 0 auto; max-width: 300px; padding: 0 0 0 44px; }
.dim img { filter: drop-shadow(0 30px 30px #0a2b5e40); }
.dim-h { position: absolute; left: 44px; right: 0; top: -26px; height: 14px; border: solid var(--blue-500); border-width: 0 1.5px; }
.dim-h::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1.5px dashed var(--blue-500); }
.dim-v { position: absolute; left: 0; top: 0; bottom: 64px; width: 14px; border: solid var(--blue-500); border-width: 1.5px 0; }
.dim-v::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; border-left: 1.5px dashed var(--blue-500); }
.dim b { position: absolute; padding: 2px 8px; border-radius: 6px; background: var(--blue-600); color: #fff; font-size: 12px; white-space: nowrap; }
.dim-h b { left: 50%; top: 50%; transform: translate(-50%, -50%); }
.dim-v b { left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-90deg); }
.dim figcaption { margin-top: 18px; font-size: 13.5px; color: var(--ink-3); text-align: center; }
.spec-copy .sec-head { margin-bottom: 26px; }
.spec-quick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 20px; }
.spec-quick div { display: flex; flex-direction: column; gap: 2px; padding: 14px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); }
.spec-quick .i { width: 22px; height: 22px; color: var(--blue-600); margin-bottom: 6px; }
.spec-quick b { font-size: 17px; letter-spacing: -.01em; }
.spec-quick span { font-size: 12.5px; color: var(--ink-3); }
.spec-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; font-size: 14.5px; }
.spec-table th, .spec-table td { padding: 11px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid #e8eef6; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { width: 36%; font-weight: 600; color: var(--ink-2); background: #fafcff; }

/* ---------- Why ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why-card { position: relative; padding: 26px; border-radius: var(--r-lg); background: #ffffff0a; border: 1px solid var(--dark-line); overflow: hidden; transition: border-color .3s, transform .3s var(--ease); }
.why-card:hover { border-color: #6fd3f766; transform: translateY(-3px); }
.why-card.wide { grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; background: radial-gradient(400px 300px at 100% 0%, #00aeef33, transparent 70%), #ffffff0d; }
.why-card.wide h3 { font-size: 26px; }
.why-card.wide p { font-size: 16.5px; max-width: 460px; }
.wn { position: absolute; right: 22px; top: 18px; font-size: 13px; font-weight: 700; color: var(--on-dark-3); letter-spacing: .08em; }
.wi { display: inline-flex; width: 46px; height: 46px; align-items: center; justify-content: center; border-radius: 12px; background: #00aeef1f; color: var(--cyan-300); }
.wi .i { width: 24px; height: 24px; }
.why-card h3 { margin-top: 18px; font-size: 18px; line-height: 1.35; }
.why-card p { margin-top: 8px; font-size: 15px; color: var(--on-dark-2); }
.seal { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; align-self: flex-start; padding: 8px 14px; border-radius: 999px; background: #16a34a26; border: 1px solid #4ade8059; color: var(--green-300); font-weight: 600; font-size: 14px; }
.why-card.wide .seal { margin-top: 28px; position: relative; z-index: 1; }
.why-dev { position: absolute; right: 28px; bottom: -40px; width: 150px; opacity: .9; filter: drop-shadow(0 24px 30px #000a); pointer-events: none; }
.why-card.wide h3, .why-card.wide p { position: relative; z-index: 1; }

/* ---------- Industries ---------- */
.industries { padding: 96px 0; }
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ind { display: grid; grid-template-columns: 48px 1fr; column-gap: 14px; align-items: center; padding: 18px; border-radius: var(--r); border: 1px solid var(--line); background: #fff; transition: border-color .25s, box-shadow .25s, transform .25s var(--ease); }
.ind:hover { border-color: #b5c8e6; box-shadow: var(--shadow); transform: translateY(-2px); }
.ind .i { grid-row: span 2; width: 48px; height: 48px; padding: 11px; border-radius: 12px; background: var(--blue-50); color: var(--blue-600); }
.ind b { font-size: 16px; line-height: 1.3; }
.ind span { font-size: 13.5px; color: var(--ink-3); }

/* ---------- After-sales ---------- */
.as-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.as-stat { display: flex; align-items: center; gap: 16px; padding: 22px 24px; border-radius: var(--r-lg); background: linear-gradient(140deg, var(--blue-600), var(--blue-700)); color: #fff; }
.as-stat b { font-size: 46px; line-height: 1; font-weight: 800; letter-spacing: -.03em; color: var(--amber); }
.as-stat span { font-size: 14.5px; color: #d6e4f7; line-height: 1.4; }
.as-in { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.as-list { display: grid; gap: 10px; }
.as-list li { display: flex; gap: 14px; padding: 16px 18px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); }
.as-list .i { width: 40px; height: 40px; padding: 9px; border-radius: 10px; background: var(--blue-50); color: var(--blue-600); }
.as-list span { display: flex; flex-direction: column; font-size: 14px; color: var(--ink-3); }
.as-list b { font-size: 15.5px; color: var(--ink); }
.setup { padding: 22px; border-radius: var(--r-lg); background: #fff; border: 1px solid var(--line); }
.setup h3 { font-size: 18px; }
.setup-shot { margin: 14px 0 16px; border-radius: 10px; overflow: hidden; border: 1px solid #d6e1f0; }
.setup-steps { display: grid; gap: 10px; counter-reset: st; }
.setup-steps li { position: relative; padding-left: 38px; font-size: 14.5px; color: var(--ink-2); counter-increment: st; }
.setup-steps li::before { content: counter(st); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 8px; background: var(--blue-600); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.setup-steps b { color: var(--ink); }

/* ---------- FAQ ---------- */
.faq { padding: 96px 0; }
.faq-in { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.faq-in .sec-head { position: sticky; top: 100px; }
.faq-list { display: grid; gap: 10px; }
.qa { border-radius: var(--r); border: 1px solid var(--line); background: #fff; transition: border-color .25s, box-shadow .25s; }
.qa[open] { border-color: #b5c8e6; box-shadow: var(--shadow); }
.qa summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; font-weight: 600; font-size: 16px; cursor: pointer; list-style: none; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary .i { width: 28px; height: 28px; padding: 5px; border-radius: 50%; background: var(--blue-50); color: var(--blue-600); transition: transform .3s var(--ease), background .3s, color .3s; }
.qa[open] summary .i { transform: rotate(45deg); background: var(--blue-600); color: #fff; }
.qa p { padding: 0 20px 20px; color: var(--ink-2); font-size: 15px; }

/* ---------- CTA + form ---------- */
.cta-in { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.cta h2 { margin-top: 14px; font-size: clamp(28px, 3.4vw, 42px); line-height: 1.15; letter-spacing: -.02em; font-weight: 800; }
.cta .lead { margin-top: 16px; color: var(--on-dark-2); font-size: 17px; }
.cta-contacts { display: grid; gap: 12px; margin-top: 30px; }
.cta-contacts li { display: grid; grid-template-columns: 44px 76px 1fr; align-items: center; gap: 12px; padding: 12px 16px 12px 12px; border-radius: var(--r); background: #ffffff0a; border: 1px solid var(--dark-line); }
.cta-contacts .i { width: 44px; height: 44px; padding: 11px; border-radius: 12px; background: #00aeef1f; color: var(--cyan-300); }
.cta-contacts span { font-size: 13.5px; color: var(--on-dark-3); }
.cta-contacts a { font-weight: 700; font-size: 17px; color: #fff; text-decoration: none; }
.cta-contacts a:hover { color: var(--cyan-300); }
.form { padding: 30px; border-radius: var(--r-lg); background: #fff; color: var(--ink); box-shadow: 0 40px 80px -36px #020a20d9; }
.form h3 { font-size: 22px; margin-bottom: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.field label i { color: var(--red); font-style: normal; }
.field input, .field select, .field textarea { width: 100%; min-height: 46px; padding: 10px 14px; border-radius: 10px; border: 1px solid #b9c6da; background: #f7fafd; font: inherit; font-size: 15px; color: var(--ink); transition: border-color .2s, box-shadow .2s, background .2s; }
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-600); background: #fff; box-shadow: 0 0 0 4px #0b4ea226; }
.field .err { display: none; font-size: 12.5px; color: var(--red); }
.field.invalid .err { display: block; }
.field.invalid input { border-color: var(--red); }
.field.agree.invalid { animation: shake .35s; }
@keyframes shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.cb { display: flex; gap: 10px; align-items: flex-start; font-weight: 500 !important; font-size: 14px !important; cursor: pointer; }
.cb input { width: 18px !important; min-height: 18px !important; height: 18px; margin-top: 2px; padding: 0 !important; accent-color: var(--blue-600); flex: none; }
.cb a { color: var(--blue-600); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { display: none; margin-top: 14px; padding: 12px 14px; border-radius: 10px; font-size: 14.5px; background: #dcfce7; color: #14532d; }
.form-msg.show { display: block; }
.form-msg.is-err { background: #fee2e2; color: #7f1d1d; }

/* ---------- Footer ---------- */
.footer { margin-top: 16px; background: var(--navy-800); color: var(--on-dark-2); padding: 64px 0 28px; position: relative; }
.footer::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: repeating-linear-gradient(90deg, #6fd3f7 0 18px, transparent 18px 30px); opacity: .5; }
.ft-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr 1.5fr; gap: 40px; }
.ft-brand p { margin-top: 14px; font-size: 14.5px; max-width: 300px; }
.footer h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: #fff; margin-bottom: 14px; }
.footer ul { display: grid; gap: 10px; }
.footer a { color: var(--on-dark-2); text-decoration: none; font-size: 14.5px; }
.footer a:hover { color: #fff; }
.ft-contact p { display: flex; gap: 10px; font-size: 14.5px; margin-bottom: 10px; }
.ft-contact .i { width: 18px; height: 18px; margin-top: 3px; color: var(--cyan-300); }
.ft-contact a { color: #fff; font-weight: 600; }
.ft-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--dark-line); font-size: 13.5px; }
.ft-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.ft-legal a { font-size: 13.5px; }

.fab-top { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--blue-600); color: #fff; box-shadow: 0 12px 24px -10px #0b4ea2; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .3s, transform .3s var(--ease); }
.fab-top.show { opacity: 1; pointer-events: auto; transform: none; }

/* ---------- Cookie ---------- */
.ck-bar { position: fixed; left: 50%; bottom: 20px; z-index: 70; width: min(920px, calc(100% - 32px)); transform: translateX(-50%); display: flex; align-items: center; gap: 20px; padding: 16px 20px; border-radius: var(--r); background: #0a1f45f2; color: var(--on-dark-2); backdrop-filter: blur(10px); box-shadow: 0 20px 40px -16px #000a; font-size: 14px; animation: fade .4s var(--ease); }
.ck-bar[hidden] { display: none; }
.ck-bar a { color: var(--cyan-300); }
.ck-act { display: flex; gap: 8px; flex: none; margin-left: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .header-cta { margin-left: auto; }
  .menu-btn { display: inline-flex; }
  .mobile-nav { display: none; flex-direction: column; gap: 4px; padding: 8px 24px 20px; border-top: 1px solid var(--line); background: #fff; }
  .mobile-nav.open { display: flex; }
  .mobile-nav a:not(.btn) { padding: 12px 4px; font-weight: 500; text-decoration: none; border-bottom: 1px solid #eef2f8; }
  .mobile-nav .btn { margin-top: 12px; }
  .hero-in { grid-template-columns: 1fr; }
  .hero-visual { height: 520px; max-width: 560px; width: 100%; margin: 0 auto; }
  .hero-bg .ring { left: 50%; top: 72%; }
  .proc { grid-template-columns: 1fr; }
  .proc-steps { display: grid; grid-template-columns: repeat(3, 1fr); }
  .pstep { flex-direction: column; }
  .pstep[aria-selected="true"] { transform: translateY(-3px); }
  .specs-in, .faq-in, .cta-in, .as-in { grid-template-columns: 1fr; }
  .faq-in .sec-head { position: static; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-card.wide { grid-row: auto; }
  .ft-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .band-wrap { padding: 10px; }
  .band { padding: 64px 0; border-radius: 22px; }
  .wrap { padding: 0 20px; }
  .hotline { display: none; }
  .brand-by { display: none; }
  .hero { padding: 48px 0 56px; }
  .hero-visual { height: 470px; }
  .hv-device { width: 210px; }
  .hv-chips .chip { min-width: 0; padding: 8px 10px 8px 8px; }
  .hv-chips .chip small { display: none; }
  .hv-chips .chip > .i:first-child { width: 30px; height: 30px; padding: 6px; }
  .hv-chips .c1 { top: 40px; }
  .hv-chips .c2 { top: 130px; }
  .hv-chips .c3 { left: 0; top: 290px; }
  .hv-chips .c4 { right: 0; top: 360px; }
  .hero-proof li { padding: 0 12px; }
  .pain-grid, .feat-grid, .ind-grid, .why-grid, .as-stats { grid-template-columns: 1fr; }
  .why-card.wide { grid-column: auto; }
  .why-dev { display: none; }
  .ben-grid { grid-template-columns: 1fr; }
  .ben, .ben:nth-child(4) { grid-column: auto; }
  .proc-steps { grid-template-columns: 1fr; }
  .pstep { flex-direction: row; }
  .app-body { grid-template-columns: 1fr 1fr; }
  .card-col { grid-column: 1 / -1; }
  .tagline-in { grid-template-columns: 1fr; }
  .spec-quick { grid-template-columns: 1fr 1fr; }
  .spec-table th { width: 42%; }
  .form { padding: 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-contacts li { grid-template-columns: 44px 1fr; }
  .cta-contacts li span { display: none; }
  .ft-grid { grid-template-columns: 1fr; gap: 28px; }
  .ck-bar { flex-direction: column; align-items: stretch; bottom: 10px; }
  .ck-act { margin-left: 0; }
  .ck-act .btn { flex: 1; }
  .features, .industries, .faq { padding: 72px 0; }
}
@media (max-width: 420px) {
  .app-body { grid-template-columns: 1fr; }
  .hero-proof { gap: 10px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .js .rv { opacity: 1; transform: none; }
}