/* ProShop KPI – website bán hàng. Màu theo logo: xanh #1a56db, xanh ngọc #7ee0b0 */
:root {
  --ink: #0b1430; --navy: #0f1d48; --navy-2: #16296a; --blue: #1a56db; --blue-2: #3b82f6;
  --mint: #34d399; --mint-2: #7ee0b0; --mint-ink: #053b2a; --amber: #f59e0b; --red: #ef4444;
  --bg: #f5f7fc; --card: #ffffff; --line: #e3e8f4; --text: #1d2639; --muted: #5d6a85;
  --r: 18px; --r-sm: 12px; --sh: 0 10px 30px -12px rgba(15, 29, 72, .18); --sh-lg: 0 30px 60px -20px rgba(11, 20, 48, .45);
  --font: 'Be Vietnam Pro', 'Segoe UI', Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
svg { width: 1.2em; height: 1.2em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
h1, h2, h3 { line-height: 1.2; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
p { margin: 0; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
.wrap.narrow { max-width: 860px; }
.nowrap { white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; border-radius: 6px; }

/* ---------- nút ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; font: 600 15px/1 var(--font); padding: 13px 20px; border-radius: 999px; border: 1.5px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn.lg { font-size: 16.5px; padding: 16px 26px; }
.btn.sm { font-size: 14px; padding: 10px 16px; }
.btn.block { width: 100%; }
.btn-mint { background: linear-gradient(135deg, var(--mint-2), var(--mint)); color: var(--mint-ink); box-shadow: 0 10px 24px -10px rgba(52, 211, 153, .8); }
.btn-mint:hover { box-shadow: 0 14px 30px -10px rgba(52, 211, 153, .95); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }

/* ---------- thanh menu ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(11, 20, 48, .82); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .07); padding-top: env(safe-area-inset-top); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: 19px; letter-spacing: -.01em; }
.logo b { color: var(--mint-2); font-weight: 800; }
.logo img { border-radius: 9px; }
.links { display: flex; gap: 26px; margin-left: 14px; }
.links a { color: #c9d3ee; font-size: 15px; font-weight: 500; }
.links a:hover { color: #fff; }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.tel { display: flex; align-items: center; gap: 6px; color: #fff; font-weight: 600; font-size: 15px; }
.tel svg { color: var(--mint-2); }
.burger { display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }
.burger svg { width: 26px; height: 26px; }

/* ---------- hero ---------- */
.hero { position: relative; background: radial-gradient(1200px 600px at 85% -10%, #213c9b 0%, transparent 60%), radial-gradient(800px 500px at -10% 110%, #0f5c4a 0%, transparent 55%), linear-gradient(180deg, var(--ink), var(--navy)); color: #fff; overflow: hidden; }
.hero-glow { position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px); background-size: 46px 46px; mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 70%); }
.hero-in { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding-top: 84px; padding-bottom: 100px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--mint-2); background: rgba(126, 224, 176, .1); border: 1px solid rgba(126, 224, 176, .25); padding: 7px 14px; border-radius: 999px; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 800; margin: 22px 0 18px; }
.hl { background: linear-gradient(90deg, var(--mint-2), #9ec5ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { font-size: 18.5px; color: #c9d3ee; max-width: 560px; }
.hero-lead b { color: #fff; font-weight: 600; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 30px; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: #b6c2e3; font-size: 14.5px; }
.trust li { display: flex; align-items: center; gap: 7px; }
.trust svg { color: var(--mint-2); }

/* minh họa giao diện */
.hero-art { position: relative; }
.app { background: #f7f9fe; color: var(--text); border-radius: 16px; box-shadow: var(--sh-lg), 0 0 0 1px rgba(255, 255, 255, .08); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(3deg); }
.app-bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; background: #e9eef8; font-size: 12px; color: var(--muted); }
.app-bar i { width: 10px; height: 10px; border-radius: 50%; background: #f87171; }
.app-bar i:nth-child(2) { background: #fbbf24; } .app-bar i:nth-child(3) { background: #34d399; }
.app-bar span { margin-left: 10px; }
.app-body { display: grid; grid-template-columns: 112px 1fr; min-height: 300px; }
.app-side { background: var(--navy); color: #9fb0db; display: flex; flex-direction: column; gap: 4px; padding: 14px 10px; font-size: 12.5px; }
.app-side b, .app-side span { padding: 7px 10px; border-radius: 8px; }
.app-side b { color: #fff; font-weight: 600; }
.app-side .on { background: rgba(126, 224, 176, .15); color: var(--mint-2); font-weight: 600; }
.app-main { padding: 16px; display: grid; gap: 12px; align-content: start; }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: grid; }
.stat small { color: var(--muted); font-size: 11.5px; }
.stat strong { font-size: 19px; font-weight: 800; color: var(--navy); }
.stat em { font-style: normal; font-size: 11.5px; color: var(--blue); }
.stat.warn strong { color: #b45309; }
.kpi-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 8px; }
.kpi-head { display: flex; align-items: center; gap: 10px; }
.kpi-head small { display: block; color: var(--muted); font-size: 11.5px; }
.kpi-head b { font-size: 14px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--blue), var(--blue-2)); color: #fff; font-weight: 700; }
.pill { margin-left: auto; font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: #fff4d6; color: #92400e; }
.pill.ok { background: #d1fae5; color: #065f46; margin: 6px 0 0; display: inline-block; }
.kpi-line { display: flex; justify-content: space-between; font-size: 13px; }
.kpi-line b { font-weight: 700; }
.mint { color: #059669; }
.bar { height: 8px; background: #edf1f9; border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--mint)); border-radius: 99px; }
.float { position: absolute; display: flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, .96); color: var(--text); border-radius: 14px; padding: 11px 14px; box-shadow: var(--sh-lg); font-size: 13px; animation: bob 5s ease-in-out infinite; }
.float svg { width: 34px; height: 34px; padding: 7px; border-radius: 10px; background: #d1fae5; color: #059669; }
.float b { display: block; font-size: 14.5px; }
.float small { color: var(--muted); }
.f1 { left: -28px; bottom: -26px; }
.f2 { right: -18px; top: -24px; animation-delay: -2.5s; }
.f2 svg { background: #dbeafe; color: var(--blue); }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* ---------- khối nội dung ---------- */
.sec { padding: 96px 0; }
.sec.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.sec-head h2 { font-size: clamp(27px, 3.4vw, 40px); font-weight: 800; color: var(--ink); }
.sec-head p:not(.kicker) { color: var(--muted); font-size: 17.5px; margin-top: 14px; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.kicker.light { color: var(--mint-2); }

/* nỗi lo */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; box-shadow: var(--sh); transition: transform .2s, box-shadow .2s; }
.pain:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -18px rgba(15, 29, 72, .3); }
.pain .ic { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: #fff1e6; color: #c2410c; margin-bottom: 16px; }
.pain .ic svg { width: 24px; height: 24px; }
.pain h3 { font-size: 18.5px; margin-bottom: 8px; color: var(--ink); }
.pain p { color: var(--muted); font-size: 15.5px; }
.pain-end { text-align: center; max-width: 760px; margin: 44px auto 0; font-size: 18px; color: var(--text); background: linear-gradient(90deg, #eef4ff, #ecfdf5); border: 1px solid var(--line); padding: 18px 24px; border-radius: var(--r); }

/* tính năng chính */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 34px 0; }
.feat + .feat { border-top: 1px dashed var(--line); }
.feat.rev .feat-copy { order: 2; }
.tag { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 700; color: var(--blue); background: #eaf1ff; padding: 6px 12px; border-radius: 999px; }
.feat h3 { font-size: clamp(22px, 2.4vw, 29px); color: var(--ink); font-weight: 800; margin: 14px 0 12px; }
.feat-copy > p { color: var(--muted); font-size: 16.5px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; font-size: 15.5px; }
.ticks li::before { content: ''; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: #d1fae5 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center/13px no-repeat; }
.feat-art { background: linear-gradient(160deg, #eef3ff, #f0fbf6); border: 1px solid var(--line); border-radius: 22px; padding: 30px; }
.ladder, .aging, .perm, .search-mock { background: #fff; border-radius: 16px; padding: 20px; box-shadow: var(--sh); }
.ladder-t { font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.step { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 10px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); margin-top: 8px; color: var(--muted); }
.step b { font-size: 17px; color: var(--muted); }
.step.done { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.step.done b { color: #059669; }
.step.now { background: linear-gradient(90deg, #eaf1ff, #fff); border: 1.5px solid var(--blue); color: var(--ink); font-weight: 600; }
.step.now b { color: var(--blue); }
.step em { grid-column: 1 / -1; font-style: normal; font-size: 13px; color: var(--blue); font-weight: 600; }
.ag { display: grid; grid-template-columns: 96px 1fr 62px; align-items: center; gap: 12px; font-size: 14px; margin-top: 12px; }
.ag div { height: 12px; background: #edf1f9; border-radius: 99px; overflow: hidden; }
.ag i { display: block; height: 100%; border-radius: 99px; background: var(--blue-2); }
.ag i.w { background: var(--amber); } .ag i.e { background: var(--red); }
.ag b { text-align: right; }
.zalo-mock { display: inline-flex; align-items: center; gap: 7px; margin-top: 18px; background: #0068ff; color: #fff; font-weight: 600; font-size: 14px; padding: 9px 14px; border-radius: 10px; }
.flow { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.flow li { display: flex; gap: 14px; background: #fff; border-radius: 14px; padding: 16px; box-shadow: var(--sh); }
.flow span { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; }
.flow li:last-child span { background: var(--mint); color: var(--mint-ink); }
.flow small { display: block; color: var(--muted); font-size: 14px; }
.sbox { display: flex; align-items: center; gap: 8px; border: 1.5px solid var(--blue); border-radius: 12px; padding: 12px 14px; font-size: 15px; }
.sbox span { color: var(--muted); }
.sbox i { width: 2px; height: 18px; background: var(--blue); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.sres { margin-top: 14px; border-radius: 12px; background: #f7f9fe; padding: 14px; display: grid; gap: 4px; font-size: 14.5px; }
.perm label { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 15px; }
.sw { position: relative; width: 42px; height: 24px; border-radius: 99px; background: #d5dbe8; flex: none; }
.sw::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, .25); transition: .2s; }
.sw.on { background: var(--mint); }
.sw.on::after { left: 21px; }
.lan { display: grid; justify-items: center; gap: 4px; text-align: center; }
.lan-main, .lan-nodes > div { background: #fff; border-radius: 14px; box-shadow: var(--sh); display: grid; justify-items: center; gap: 2px; }
.lan-main { padding: 16px 26px; border: 1.5px solid var(--blue); }
.lan-main svg { width: 36px; height: 36px; color: var(--blue); }
.lan-main small, .lan-nodes small { color: var(--muted); font-size: 13px; }
.lan-lines { display: flex; justify-content: space-around; width: 70%; height: 30px; }
.lan-lines i { width: 2px; background: repeating-linear-gradient(var(--blue-2) 0 5px, transparent 5px 10px); }
.lan-nodes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 100%; }
.lan-nodes > div { padding: 14px 6px; }
.lan-nodes svg { width: 28px; height: 28px; color: #059669; }
.lan-note { display: flex; align-items: center; gap: 7px; margin-top: 14px; font-size: 14px; font-weight: 600; color: #065f46; background: #d1fae5; padding: 7px 14px; border-radius: 999px; }

/* trọn bộ */
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mini-grid > div { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 18px; }
.mini-grid svg { grid-row: span 2; width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: #eaf1ff; color: var(--blue); }
.mini-grid b { color: var(--ink); }
.mini-grid span { color: var(--muted); font-size: 14.5px; }
.fits { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; margin-top: 34px; }
.fits span { font-weight: 700; color: var(--muted); }
.fits b { font-weight: 600; font-size: 14.5px; background: #fff; border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px; }

/* so sánh */
.cmp-wrap { display: grid; grid-template-columns: 1.35fr 1fr; gap: 28px; align-items: start; }
.cmp-table { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: #fff; box-shadow: var(--sh); }
.cmp-table .r { display: grid; grid-template-columns: 1fr 1.1fr 1.1fr; }
.cmp-table .r > span { padding: 15px 16px; border-top: 1px solid var(--line); font-size: 15px; display: flex; align-items: center; gap: 8px; }
.cmp-table .r.h > span { border-top: 0; font-weight: 700; background: #f3f6fc; }
.cmp-table .r > span:first-child { font-weight: 600; color: var(--ink); }
.cmp-table .r > span:nth-child(2) { color: var(--muted); }
.cmp-table .us { background: #f0fbf6; color: #064e3b; font-weight: 600; }
.cmp-table .r.h .us { background: var(--navy); color: var(--mint-2); }
.cmp-table svg { color: #059669; stroke-width: 2.6; }
.cmp-table svg.no { color: var(--red); }
.calc { background: linear-gradient(170deg, var(--navy), var(--ink)); color: #fff; border-radius: var(--r); padding: 26px; box-shadow: var(--sh-lg); }
.calc-t { font-weight: 700; font-size: 18px; margin-bottom: 16px; }
.calc-l { display: grid; gap: 8px; font-size: 14.5px; color: #c9d3ee; margin-bottom: 16px; }
.calc-l b { color: #fff; }
.money-in { display: flex; align-items: center; gap: 8px; color: #fff; }
.money-in input { flex: 1; min-width: 0; font: 600 17px var(--font); color: #fff; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .2); border-radius: 10px; padding: 10px 12px; }
input[type=range] { width: 100%; accent-color: var(--mint); }
.calc-out { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.calc-out > div { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: 12px; padding: 12px; display: grid; gap: 4px; }
.calc-out small { color: #b6c2e3; font-size: 12.5px; line-height: 1.35; }
.calc-out strong { font-size: 21px; }
.calc-out .us { border-color: var(--mint); background: rgba(52, 211, 153, .1); }
.calc-out .us strong { color: var(--mint-2); }
.calc-save { margin-top: 14px; font-weight: 700; color: var(--mint-2); font-size: 16.5px; min-height: 1.6em; }
.calc-note { margin-top: 6px; font-size: 12.5px; color: #93a2c9; }

/* câu chuyện */
.story { background: linear-gradient(120deg, #eaf1ff, #ecfdf5); }
.story-in { display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: center; max-width: 980px; }
.story-badge { display: grid; justify-items: center; gap: 10px; background: #fff; border-radius: 22px; padding: 24px 28px; box-shadow: var(--sh); text-align: center; font-weight: 800; color: var(--navy); line-height: 1.3; }
.story-badge img { border-radius: 14px; }
.story h2 { font-size: clamp(25px, 3vw, 34px); color: var(--ink); margin-bottom: 14px; font-weight: 800; }
.story p:not(.kicker) { font-size: 17px; color: var(--text); margin-top: 10px; }

/* bảng giá */
.toggle { display: inline-flex; margin-top: 26px; background: #edf1f9; border-radius: 999px; padding: 5px; }
.toggle button { font: 600 15px var(--font); border: 0; background: none; padding: 10px 20px; border-radius: 999px; cursor: pointer; color: var(--muted); }
.toggle button[aria-selected=true] { background: #fff; color: var(--ink); box-shadow: 0 4px 12px -4px rgba(15, 29, 72, .25); }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 30px 26px; box-shadow: var(--sh); }
.plan.best { border: 2px solid var(--blue); box-shadow: 0 30px 60px -24px rgba(26, 86, 219, .45); transform: translateY(-8px); }
.plan .badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(90deg, var(--blue), var(--blue-2)); color: #fff; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 999px; white-space: nowrap; }
.plan h3 { font-size: 21px; color: var(--ink); }
.plan .fit { color: var(--muted); font-size: 14.5px; margin-top: 6px; min-height: 46px; }
.plan .price { margin: 18px 0 2px; font-size: 36px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.plan .price small { font-size: 15px; font-weight: 600; color: var(--muted); }
.plan .sub { font-size: 13.5px; color: var(--muted); min-height: 21px; }
.plan .meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.plan .meta span { font-size: 13px; font-weight: 600; background: #f3f6fc; padding: 5px 10px; border-radius: 8px; }
.plan .ticks { margin: 4px 0 24px; flex: 1; }
.plan .ticks li { font-size: 15px; }
.plan .btn { width: 100%; }
.plan .btn-line { background: #fff; border-color: var(--line); color: var(--ink); }
.plan .btn-line:hover { border-color: var(--blue); color: var(--blue); }
.plans-note { text-align: center; color: var(--muted); font-size: 14.5px; margin-top: 26px; }
.promo { margin: 34px auto 0; max-width: 860px; background: linear-gradient(120deg, #fff7ed, #fffbeb); border: 1px solid #fde4b8; border-radius: var(--r); padding: 22px 26px; }
.promo-h { display: flex; align-items: center; gap: 8px; color: #b45309; font-size: 17px; }
.promo-h svg { width: 24px; height: 24px; }
.promo ul { margin: 10px 0 0; padding-left: 22px; display: grid; gap: 6px; }

/* quy trình */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.steps li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 24px 22px; box-shadow: var(--sh); }
.steps li span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--blue), var(--blue-2)); color: #fff; font-weight: 800; margin-bottom: 14px; }
.steps li b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.steps li p { color: var(--muted); font-size: 15px; }

/* hỏi đáp */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 20px; transition: box-shadow .2s; }
.faq details[open] { box-shadow: var(--sh); border-color: #cfd9f1; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 30px 18px 0; font-weight: 600; font-size: 16.5px; color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 400; color: var(--blue); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 18px; color: var(--muted); font-size: 15.5px; }

/* đăng ký */
.cta { background: radial-gradient(900px 500px at 100% 0%, #213c9b 0%, transparent 60%), linear-gradient(180deg, var(--navy), var(--ink)); color: #fff; }
.cta-in { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.cta h2 { font-size: clamp(27px, 3.4vw, 40px); font-weight: 800; }
.cta-copy > p { color: #c9d3ee; font-size: 17.5px; margin-top: 16px; }
.cta-contacts { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.cc { display: flex; align-items: center; gap: 12px; color: #fff; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); padding: 12px 18px 12px 12px; border-radius: 14px; }
.cc:hover { background: rgba(255, 255, 255, .12); }
.cc svg { width: 40px; height: 40px; padding: 9px; border-radius: 11px; background: var(--mint); color: var(--mint-ink); }
.cc small { display: block; color: #b6c2e3; font-size: 12.5px; }
.cc b { font-size: 17px; }
.leadf { background: #fff; color: var(--text); border-radius: 22px; padding: 28px; box-shadow: var(--sh-lg); display: grid; gap: 14px; }
.leadf label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink); }
.leadf input, .leadf select, .leadf textarea { font: 400 16px var(--font); color: var(--text); border: 1.5px solid var(--line); border-radius: 11px; padding: 12px 13px; background: #fbfcff; width: 100%; min-width: 0; }
.leadf input:focus, .leadf select:focus, .leadf textarea:focus { outline: none; border-color: var(--blue); background: #fff; }
.leadf .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.leadf .bad { border-color: var(--red); }
.form-msg { font-size: 14.5px; min-height: 0; }
.form-msg.ok { color: #065f46; background: #d1fae5; padding: 12px 14px; border-radius: 10px; }
.form-msg.err { color: #b91c1c; }
.form-msg .acts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.form-msg .acts a { font-weight: 600; font-size: 14px; background: #fff; border: 1px solid #a7f3d0; padding: 7px 12px; border-radius: 9px; color: #065f46; }
.form-fine { font-size: 12.5px; color: var(--muted); text-align: center; }

/* chân trang */
.foot { background: var(--ink); color: #9fb0db; padding: 54px 0 calc(28px + env(safe-area-inset-bottom)); font-size: 15px; }
.foot-in { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.foot b { color: #fff; }
.foot p { margin-top: 6px; }
.foot a { color: var(--mint-2); }
.logo.light { color: #fff; }
.copy { text-align: center; margin-top: 40px; font-size: 13px; color: #6d7ca6; padding: 0 20px; }

/* thanh gọi nhanh (điện thoại) */
.mbar { display: none; }

/* hiện dần khi cuộn */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .float, .sbox i { animation: none; } html { scroll-behavior: auto; } }

/* ---------- màn hình nhỏ ---------- */
@media (max-width: 1080px) {
  .links { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; margin: 0; background: var(--ink); border-bottom: 1px solid rgba(255, 255, 255, .08); padding: 8px max(20px, env(safe-area-inset-left)) 16px; }
  .links.open { display: flex; }
  .links a { padding: 12px 0; font-size: 17px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
  .burger { display: block; }
  .hero-in { grid-template-columns: 1fr; padding-top: 56px; padding-bottom: 90px; gap: 64px; }
  .hero-art { max-width: 620px; width: 100%; margin: 0 auto; }
  .app { transform: none; }
  .pain-grid, .mini-grid { grid-template-columns: 1fr 1fr; }
  .feat { grid-template-columns: 1fr; gap: 28px; }
  .feat.rev .feat-copy { order: 0; }
  .cmp-wrap { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .plan.best { transform: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .cta-in { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 680px) {
  body { font-size: 15.5px; padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .tel, .nav-cta .btn { display: none; }
  .sec { padding: 68px 0; }
  .sec-head { margin-bottom: 36px; }
  .hero-lead { font-size: 16.5px; }
  .hero-btns .btn { width: 100%; }
  .pain-grid, .mini-grid, .steps { grid-template-columns: 1fr; }
  .f1 { left: 8px; bottom: -30px; } .f2 { right: 8px; top: -30px; }
  .float { font-size: 12px; padding: 9px 11px; }
  .app-body { grid-template-columns: 1fr; }
  .app-side { display: none; }
  .feat-art { padding: 16px; }
  .ag { grid-template-columns: 82px 1fr 54px; font-size: 13px; }
  .cmp-table .r { grid-template-columns: 1fr 1fr; }
  .cmp-table .r > span:first-child { grid-column: 1 / -1; background: #f7f9fe; padding-bottom: 8px; }
  .cmp-table .r.h > span:first-child { display: none; }
  .cmp-table .r > span { font-size: 14px; }
  .calc-out { grid-template-columns: 1fr; }
  .story-in { grid-template-columns: 1fr; gap: 22px; }
  .story-badge { grid-auto-flow: column; justify-content: start; text-align: left; padding: 16px 20px; }
  .leadf .two { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr; gap: 24px; }
  .mbar { display: grid; grid-template-columns: 1fr 1fr 1.4fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -8px 24px -12px rgba(15, 29, 72, .3); padding-bottom: env(safe-area-inset-bottom); }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 6px; height: 60px; font-weight: 700; font-size: 14.5px; color: var(--ink); }
  .mbar a svg { color: var(--blue); }
  .mbar a.hot { background: linear-gradient(135deg, var(--mint-2), var(--mint)); color: var(--mint-ink); }
}