/* Carify landing — trang tĩnh. Chỉ dùng token ngữ nghĩa (--surface-*, --text-*, --accent*...) để dark mode tự đổi. */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:var(--text-body-size);line-height:var(--text-body-lh);color:var(--text-body);background:var(--surface-card);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--text-link);text-decoration:none}
a:hover{color:var(--text-link-hover);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,p{margin:0;text-wrap:pretty}
h1,h2,h3,h4{color:var(--text-strong)}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:var(--focus-ring)}
.cf-figure{font-variant-numeric:tabular-nums;letter-spacing:0}
.i{display:inline-block;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:50;background:var(--surface-card);padding:8px 12px;border-radius:8px}
.skip:focus{left:8px}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 24px;border-radius:var(--radius-md);border:1px solid var(--accent);background:var(--accent);color:#fff;font:700 14px/1 var(--font-sans);letter-spacing:.1px;white-space:nowrap;cursor:pointer;text-decoration:none;transition:background var(--dur-fast) ease,box-shadow var(--dur-fast) ease,border-color var(--dur-fast) ease,transform var(--dur-fast) ease,color var(--dur-fast) ease}
.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;text-decoration:none}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-sm{height:34px;padding:0 16px;font-size:12px;gap:6px;border-radius:var(--radius-sm)}
.btn-lg{height:50px;padding:0 36px;font-size:16px;gap:10px;border-radius:12px}
.btn-block{display:flex;width:100%}
.btn-cta{background:var(--cta-bg);border-color:transparent;color:var(--cta-fg);font-weight:800;border-radius:12px;box-shadow:var(--cta-shadow)}
.btn-cta:hover{background:var(--cta-bg);border-color:transparent;color:var(--cta-fg);transform:translateY(-1px);box-shadow:0 10px 28px rgba(245,183,49,.5)}
.btn-neutral{background:var(--surface-card);color:var(--text-strong);border:1.5px solid var(--border-default)}
.btn-neutral:hover{background:var(--surface-hover);border-color:var(--border-strong);color:var(--text-strong)}
.btn-danger{background:var(--danger-solid);border-color:var(--danger-solid)}
.btn-danger:hover{background:var(--pink-700);border-color:var(--pink-700)}
.btn-ghost{padding:0 4px;background:transparent;border-color:transparent;color:var(--text-muted);text-decoration:underline;text-underline-offset:3px}
.btn-ghost:hover{background:transparent;border-color:transparent;color:var(--accent)}

/* ---------- Badge ---------- */
.badge{--b-bg:var(--surface-track);--b-fg:var(--text-muted);display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 8px;border-radius:var(--radius-pill);background:var(--b-bg);color:var(--b-fg);font:700 11px/1 var(--font-sans);letter-spacing:.2px;white-space:nowrap}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
.t-rented,.t-primary{--b-bg:var(--accent-soft);--b-fg:var(--accent)}
.t-upcoming,.t-info{--b-bg:var(--info-bg);--b-fg:var(--info-fg)}
.t-overdue,.t-danger{--b-bg:var(--danger-bg);--b-fg:var(--danger-fg)}
.t-maintenance,.t-warning{--b-bg:var(--warning-bg);--b-fg:var(--warning-text)}
.t-success{--b-bg:var(--success-bg);--b-fg:var(--success-fg)}

/* ---------- Tabs / segmented / fuel ---------- */
.tabs{display:inline-flex;gap:4px;padding:5px;background:var(--surface-sunken);border-radius:12px}
.tab{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 20px;border:0;border-radius:9px;background:transparent;color:var(--text-muted);font:600 13px/1 var(--font-sans);white-space:nowrap;cursor:pointer;transition:all var(--dur-fast) ease}
.tab[aria-selected="true"]{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(75,124,244,.3)}
.seg{display:inline-flex;gap:4px;padding:4px;background:var(--accent-soft);border-radius:12px}
.seg button{height:32px;padding:0 16px;border:0;border-radius:9px;background:transparent;color:var(--text-muted);font:600 13px/1 var(--font-sans);cursor:pointer;transition:all var(--dur-fast) ease}
.seg button[aria-selected="true"]{background:var(--surface-card);color:var(--text-strong);font-weight:700;box-shadow:var(--shadow-1)}
.fuel{display:grid;gap:8px}
.fuel-head{display:flex;justify-content:space-between;align-items:baseline}
.fuel-head span:first-child{font:700 12px/17px var(--font-sans);color:var(--text-strong)}
.fuel-head span:last-child{font:800 15px/20px var(--font-sans);color:var(--text-strong);font-variant-numeric:tabular-nums}
.fuel-bar{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.fuel-bar button{height:36px;border:0;padding:0;border-radius:4px;background:var(--surface-track);cursor:pointer;transition:background var(--dur-fast) ease}
.fuel-bar button:first-child{border-radius:10px 4px 4px 10px}
.fuel-bar button:last-child{border-radius:4px 10px 10px 4px}
.fuel-bar button.on{background:var(--f-tone,var(--accent))}
.fuel-scale{display:flex;justify-content:space-between;font:700 11px/14px var(--font-sans);color:var(--text-subtle)}

/* ---------- Khung chung ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.sec{scroll-margin-top:64px;padding:clamp(64px,9vw,112px) 0}
.sec-app{background:var(--surface-app);border-top:1px solid var(--border-subtle)}
.overline{font:700 11px/16px var(--font-sans);letter-spacing:1.5px;text-transform:uppercase;color:var(--accent)}
.h2{margin:12px 0 0;font:800 clamp(30px,4vw,44px)/1.12 var(--font-sans);letter-spacing:-.03em;color:var(--text-strong);text-wrap:balance}
.sec-head{max-width:640px}
.card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:16px;box-shadow:var(--shadow-card)}
.muted{color:var(--text-muted)}
.label{font:700 11px/14px var(--font-sans);letter-spacing:.5px;text-transform:uppercase;color:var(--text-muted)}
.tile{display:flex;align-items:center;justify-content:center;flex:none;background:var(--accent-soft);color:var(--accent)}

/* ---------- Header ---------- */
.hdr{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface-card) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-subtle)}
.hdr-in{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,40px);height:64px;display:flex;align-items:center;gap:32px;position:relative}
.logo{display:flex;align-items:center}
.logo img{height:28px;width:auto}
.logo-dark{display:none}
[data-theme="dark"] .logo-light{display:none}
[data-theme="dark"] .logo-dark{display:block}
.nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:none;gap:28px;font:500 14px/1 var(--font-sans);white-space:nowrap}
.nav a{color:var(--text-body)}
.hdr-end{margin-left:auto;display:flex;align-items:center;gap:20px}
.hdr-login{display:none;font:600 14px/1 var(--font-sans);color:var(--text-strong)}
@media (min-width:480px){.hdr-login{display:inline}}
@media (min-width:1100px){.nav{display:flex}}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(48px,9vw,104px) 0 clamp(40px,6vw,80px)}
.hero::before{content:"";position:absolute;left:0;right:0;bottom:0;height:46%;background:var(--surface-app);border-top:1px solid var(--border-subtle)}
.hero .wrap{position:relative}
.hero-copy{max-width:820px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 8px;border-radius:999px;background:var(--accent-soft);border:1px solid var(--accent-soft-border);font:600 13px/18px var(--font-sans);color:var(--accent-hover)}
.hero h1{margin:24px 0 0;font:800 clamp(38px,6.4vw,68px)/1.16 var(--font-sans);letter-spacing:-.035em;text-wrap:balance}
.hero-logo{margin-top:2px;width:clamp(64px,8vw,84px);height:clamp(64px,8vw,84px)}
.hero-logo svg{width:100%;height:100%;overflow:visible}
.hero-lead{margin:2px 0 0;max-width:600px;font:500 clamp(16px,1.6vw,19px)/1.6 var(--font-sans);color:var(--text-muted)}
.hero-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px}
.hero-perks{margin-top:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;font:500 13px/18px var(--font-sans);color:var(--text-muted)}
.hero-perks span{display:inline-flex;align-items:center;gap:6px}
.hero-perks .i{color:var(--success-fg)}
[data-theme="dark"] .dial-body{fill:#fff}
.dial-body{fill:#1B2B6B;transform-origin:60px 60px;transform-box:view-box;animation:cfDialIn 700ms cubic-bezier(.2,.7,.2,1) both}
.dial-needle{transform-origin:60px 60px;transform-box:view-box;animation:cfNeedle 1400ms cubic-bezier(.2,.7,.2,1) 200ms both}
.dial-idle{transform-origin:60px 60px;transform-box:view-box;animation:cfIdle 4s ease-in-out 2.2s infinite}
.dial-hub{transform-origin:60px 60px;transform-box:view-box;animation:cfHub 400ms cubic-bezier(.2,.7,.2,1) 150ms both}
@keyframes cfDialIn{from{opacity:0;transform:rotate(-40deg) scale(.92)}to{opacity:1;transform:none}}
@keyframes cfNeedle{0%{transform:rotate(-150deg)}70%{transform:rotate(6deg)}100%{transform:rotate(0)}}
@keyframes cfHub{from{transform:scale(0)}to{transform:scale(1)}}
@keyframes cfIdle{0%,100%{transform:rotate(0)}50%{transform:rotate(-7deg)}}
@media (prefers-reduced-motion:reduce){.dial-body,.dial-needle,.dial-idle,.dial-hub{animation:none}html{scroll-behavior:auto}}

/* ---------- Demo ---------- */
.demo{margin-top:clamp(40px,6vw,64px);display:flex;flex-direction:column;align-items:center;gap:16px}
.demo-tabs{max-width:100%;overflow-x:auto}
.win iframe{display:block;flex:none;border:0;background:#fff;transform-origin:0 0}
.win.is-phone{background:var(--surface-app);justify-content:center;align-items:center}
.win iframe.is-phone{border-radius:28px;box-shadow:0 0 0 8px #0F172A,var(--shadow-3)}
.win{width:100%;max-width:1120px;background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:16px;box-shadow:var(--shadow-3);overflow:hidden;display:flex;height:680px}
.side{flex:0 0 216px;background:var(--surface-sidebar);border-right:1px solid var(--sidebar-border);display:flex;flex-direction:column;padding:16px 12px;gap:4px}
.side-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:10px}
.side-brand img{width:28px;height:28px;flex:none}
.side-brand b{display:block;font:700 13px/16px var(--font-sans);color:#fff;white-space:nowrap}
.side-brand small{display:block;font:500 11px/14px var(--font-sans);color:rgba(255,255,255,.6);white-space:nowrap}
.nav-item{display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;border:0;border-radius:10px;background:transparent;color:rgba(255,255,255,.7);font:600 13px/1 var(--font-sans);text-align:left;cursor:default;transition:background 150ms cubic-bezier(.2,.7,.2,1)}
.nav-item[data-view]{cursor:pointer}
.nav-item:hover{background:rgba(75,124,244,.18)}
.nav-item.on{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(75,124,244,.45)}
.nav-item span{white-space:nowrap}
.stage{flex:1;min-width:0;background:var(--surface-app);overflow:auto;padding:clamp(16px,2.4vw,28px);display:flex;flex-direction:column;gap:16px}
.pg-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
.crumb{font:500 12px/16px var(--font-sans);color:var(--text-muted)}
.pg-title{display:flex;align-items:baseline;gap:10px;margin-top:4px}
.pg-title h3{font:800 22px/28px var(--font-sans);letter-spacing:-.4px}
.pg-title span{font:700 13px/1 var(--font-sans);color:var(--text-muted)}
.pg-actions{display:flex;gap:8px}
@media (max-width:1079px){.side{flex-basis:64px}.side .nav-item{justify-content:center}.side .nav-item span,.side-brand div{display:none}}
@media (max-width:759px){.side{display:none}.win{height:560px}}

.cal-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}
.cal{flex:1 1 520px;min-width:0;overflow:hidden}
.cal-scroll{overflow-x:auto}
.cal-grid{min-width:520px}
.cal-head,.cal-line{display:grid;grid-template-columns:132px minmax(0,1fr)}
.cal-head{background:var(--surface-sunken);border-bottom:1px solid var(--border-subtle)}
.cal-head .label{padding:10px 16px}
.cal-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.cal-day{padding:8px 0;text-align:center;border-left:1px solid var(--border-subtle)}
.cal-day small{display:block;font:700 10px/14px var(--font-sans);letter-spacing:.5px;text-transform:uppercase;color:var(--text-muted)}
.cal-day b{display:block;font:800 13px/18px var(--font-sans);color:var(--text-strong)}
.cal-day.today small,.cal-day.today b{color:var(--accent)}
.cal-line{height:52px;border-bottom:1px solid var(--border-subtle)}
.cal-veh{padding:9px 16px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.cal-veh b{font:600 12px/16px var(--font-sans);color:var(--text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-veh small{font:700 11px/16px var(--font-sans);color:var(--text-muted)}
.cal-track{position:relative;background-image:linear-gradient(90deg,var(--border-subtle) 1px,transparent 1px);background-size:14.2857% 100%}
.cal-now{position:absolute;top:0;bottom:0;left:77.7%;width:2px;background:var(--accent);opacity:.35}
.cal-bar{position:absolute;top:9px;bottom:9px;border:0;border-radius:7px;font:600 11px/34px var(--font-sans);padding:0 8px;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;transition:box-shadow 150ms cubic-bezier(.2,.7,.2,1),filter 150ms}
.cal-bar:hover{filter:brightness(.96)}
.cal-bar.sel{box-shadow:0 0 0 2px var(--surface-card),0 0 0 4px var(--text-strong)}
.legend{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px}
.detail{flex:1 1 240px;max-width:270px;padding:20px;display:flex;flex-direction:column;gap:16px}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:8px}
.detail .who{font:700 17px/22px var(--font-sans);color:var(--text-strong)}
.detail .phone{font:500 13px/18px var(--font-sans);color:var(--text-muted);margin-top:2px}
.veh-box{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:var(--surface-sunken)}
.veh-box .i{color:var(--accent)}
.veh-box b{display:block;font:600 13px/18px var(--font-sans);color:var(--text-strong)}
.veh-box small{display:block;font:700 11px/16px var(--font-sans);color:var(--text-muted)}
.kv{display:grid;gap:10px;font:500 13px/18px var(--font-sans)}
.kv div{display:flex;justify-content:space-between;gap:12px}
.kv span:first-child{color:var(--text-muted)}
.kv span:last-child{font-weight:700;color:var(--text-strong)}
.kv .bold span:last-child{font-weight:800}
.kv .late span:last-child{color:var(--danger-fg)}
.note{font:500 12px/17px var(--font-sans);color:var(--success-fg)}
.note.late{color:var(--danger-fg)}
@media (max-width:759px){.detail{max-width:100%}}

.ho-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px;align-items:start}
.ho-prog{display:flex;align-items:center;gap:10px;min-width:180px}
.ho-prog span{font:700 12px/16px var(--font-sans);color:var(--text-muted);white-space:nowrap}
.bar{flex:1;height:6px;border-radius:999px;background:var(--surface-track);overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:999px;transition:width 260ms cubic-bezier(.2,.7,.2,1)}
.panel{padding:20px}
.panel h4{font:700 15px/20px var(--font-sans)}
.panel .sub{font:500 12px/17px var(--font-sans);color:var(--text-muted);margin-top:2px}
.shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.shot{position:relative;aspect-ratio:4/3;border-radius:10px;border:1.5px dashed var(--border-default);background:var(--surface-input);color:var(--text-muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font:600 12px/16px var(--font-sans);transition:border-color 150ms,background 150ms}
.shot:hover{border-color:var(--accent)}
.shot.done{border:1.5px solid var(--border-default);background:repeating-linear-gradient(135deg,var(--surface-sunken) 0 8px,var(--surface-hover) 8px 16px);color:var(--text-strong)}
.shot em{position:absolute;left:8px;bottom:8px;padding:2px 6px;border-radius:4px;background:var(--surface-card);color:var(--text-strong);font:700 10px/14px var(--font-sans);font-style:normal}
.ho-side{display:flex;flex-direction:column;gap:18px}
.ho-veh{display:flex;align-items:center;gap:10px}
.ho-veh .tile{width:40px;height:40px;border-radius:10px}
.ho-veh b{display:block;font:700 14px/18px var(--font-sans);color:var(--text-strong)}
.ho-veh small{display:block;font:700 11px/16px var(--font-sans);color:var(--text-muted)}
.stats2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.stat-mini{padding:12px;border-radius:10px;background:var(--surface-sunken)}
.stat-mini div:last-child{font:800 18px/24px var(--font-sans);color:var(--text-strong);margin-top:4px}
.alert-ok{display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:10px;background:var(--success-bg);border:1px solid var(--success-border);color:var(--success-fg);font:600 13px/18px var(--font-sans)}
.alert-ok.center{align-items:center;padding:12px 16px}

.stats4{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{padding:16px}
.stat div:last-child{font:800 20px/26px var(--font-sans);letter-spacing:-.3px;margin-top:6px;white-space:nowrap}
.ledger{overflow:hidden}
.led-row{display:flex;align-items:center;gap:12px;padding:12px 16px;min-height:56px;border-bottom:1px solid var(--border-subtle);background:var(--surface-card);transition:background 260ms}
.led-row.fresh{background:var(--surface-selected)}
.led-time{font:700 12px/16px var(--font-sans);color:var(--text-muted);width:40px;flex:none}
.led-ico{width:32px;height:32px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center}
.led-txt{flex:1;min-width:0}
.led-txt b{display:block;font:600 13px/18px var(--font-sans);color:var(--text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.led-txt small{display:block;font:500 12px/16px var(--font-sans);color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.led-amt{font:800 14px/18px var(--font-sans);white-space:nowrap}
.pos{color:var(--success-fg)}
.neg{color:var(--danger-fg)}
.pos-bg{background:var(--success-bg);color:var(--success-fg)}
.neg-bg{background:var(--danger-bg);color:var(--danger-fg)}

/* ---------- Vấn đề ---------- */
.problem{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:clamp(32px,6vw,80px);align-items:start}
.problem-lead{position:sticky;top:96px}
.problem-lead p{margin:16px 0 0;max-width:440px;font:500 16px/1.65 var(--font-sans);color:var(--text-muted)}
.pain{display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;padding:28px 0;border-top:1px solid var(--border-subtle)}
.pain:last-child{border-bottom:1px solid var(--border-subtle)}
.pain > span{font:800 14px/28px var(--font-sans);color:var(--text-subtle)}
.pain h3{font:700 20px/28px var(--font-sans)}
.pain p{margin:8px 0 0;font:400 15px/1.65 var(--font-sans);color:var(--text-body)}
.quote{margin-top:14px;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;background:var(--surface-sunken);font:500 13px/18px var(--font-sans);color:var(--text-muted)}

/* ---------- Giải pháp ---------- */
.solve{margin-top:clamp(32px,5vw,56px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.solve-card{padding:24px;display:flex;flex-direction:column;gap:16px}
.solve-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.solve-top .tile{width:42px;height:42px;border-radius:12px}
.solve-top span{font:600 12px/16px var(--font-sans);color:var(--text-muted)}
.solve-card h3{font:700 19px/26px var(--font-sans)}
.solve-card p{margin:8px 0 0;font:400 15px/1.65 var(--font-sans);color:var(--text-body)}
.solve-card .btn{margin-top:auto;align-self:flex-start}

/* ---------- Tính năng ---------- */
.feat-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px 40px}
.feat-top p{max-width:380px;font:500 15px/1.65 var(--font-sans);color:var(--text-muted)}
.feat-wrap{margin-top:clamp(32px,5vw,56px);display:flex;flex-direction:column;gap:24px}
.feat-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:8px}
.feat-item{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:16px;border:1px solid transparent;background:transparent;text-align:left;cursor:pointer;transition:background 180ms cubic-bezier(.2,.7,.2,1),border-color 180ms}
.feat-item:hover{background:var(--surface-hover)}
.feat-item[aria-selected="true"]{background:var(--surface-selected);border-color:var(--accent)}
.feat-item .tile{width:38px;height:38px;border-radius:10px;transition:background 180ms}
.feat-item[aria-selected="true"] .tile{background:var(--accent);color:var(--text-on-accent)}
.feat-item b{display:block;font:700 15px/22px var(--font-sans);color:var(--text-strong)}
.feat-item span.d{display:block;margin-top:2px;font:400 14px/1.55 var(--font-sans);color:var(--text-muted)}
.feat-stage{width:100%;min-width:0;height:640px;background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:16px;box-shadow:var(--shadow-3);overflow:hidden;display:flex}
.feat-stage iframe{display:block;flex:none;border:0;background:#fff;transform-origin:0 0}
.extras{margin-top:40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));column-gap:32px}
.extras div{display:flex;gap:12px;align-items:center;padding:16px 0;border-top:1px solid var(--border-subtle);font:500 15px/22px var(--font-sans);color:var(--text-strong)}
.extras .i{color:var(--accent)}

/* ---------- Cách hoạt động ---------- */
.steps{margin-top:clamp(32px,5vw,56px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:clamp(24px,3vw,40px)}
.step{display:flex;flex-direction:column;gap:14px}
.step-top{display:flex;align-items:center;gap:12px}
.step-top > span{width:36px;height:36px;border-radius:999px;background:var(--accent);color:var(--text-on-accent);display:flex;align-items:center;justify-content:center;font:800 15px/1 var(--font-sans);flex:none}
.step-top i{flex:1;height:2px;background:var(--accent-soft-border)}
.step h3{font:700 19px/26px var(--font-sans)}
.step p{font:400 15px/1.65 var(--font-sans);color:var(--text-body)}
.step small{font:600 13px/18px var(--font-sans);color:var(--text-muted)}

/* ---------- CTA cuối + footer ---------- */
.cta{background:var(--surface-app);padding:0 0 clamp(48px,6vw,80px);scroll-margin-top:64px}
.cta-box{background:var(--surface-navy);border-radius:20px;padding:clamp(32px,6vw,72px);display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px}
.cta-box h2{max-width:620px;font:800 clamp(30px,4.4vw,48px)/1.1 var(--font-sans);letter-spacing:-.03em;color:#fff;text-wrap:balance}
.cta-box p{margin:16px 0 0;max-width:620px;font:500 17px/1.6 var(--font-sans);color:rgba(255,255,255,.78)}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px}
.ftr{background:var(--surface-app);border-top:1px solid var(--border-subtle)}
.ftr-in{max-width:1200px;margin:0 auto;padding:28px clamp(16px,4vw,40px);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;font:500 13px/18px var(--font-sans);color:var(--text-muted)}
.ftr-in img{height:24px;width:auto}
.theme-btn{position:fixed;right:20px;bottom:20px;z-index:30;display:flex;align-items:center;gap:8px;height:44px;padding:0 16px 0 12px;border-radius:999px;border:1.5px solid var(--border-default);background:var(--surface-card);color:var(--text-strong);font:700 13px/1 var(--font-sans);cursor:pointer;box-shadow:var(--shadow-2);transition:background 150ms cubic-bezier(.2,.7,.2,1)}
.theme-btn:hover{background:var(--surface-hover)}
.theme-btn .i{color:var(--accent)}
.theme-btn .to-light,[data-theme="dark"] .theme-btn .to-dark{display:none}
[data-theme="dark"] .theme-btn .to-light{display:inline-flex}
.theme-btn .to-dark,.theme-btn .to-light{align-items:center;gap:8px}

/* ---------- Footer links + trang pháp lý ---------- */
.ftr-links{display:flex;flex-wrap:wrap;gap:8px 24px}
.ftr-links a{color:var(--text-muted)}
.ftr-links a:hover{color:var(--accent)}
.legal{max-width:760px;margin:0 auto;padding:clamp(40px,7vw,80px) clamp(16px,4vw,40px)}
.legal h1{font:800 clamp(30px,4.4vw,44px)/1.12 var(--font-sans);letter-spacing:-.03em;text-wrap:balance}
.legal .upd{margin-top:8px;font:500 13px/18px var(--font-sans);color:var(--text-muted)}
.legal h2{margin:36px 0 8px;font:700 20px/28px var(--font-sans)}
.legal p{margin:12px 0 0;font:400 15px/1.7 var(--font-sans);color:var(--text-body)}
.legal code{padding:1px 6px;border-radius:4px;background:var(--surface-sunken);font-size:13px}
.vdlg{width:min(960px,calc(100vw - 24px));max-height:calc(100vh - 24px);padding:0;border:0;border-radius:var(--radius-lg);background:var(--surface-card);color:var(--text-strong);box-shadow:var(--shadow-3);overflow:hidden}
.vdlg::backdrop{background:var(--surface-overlay)}
.vdlg-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 12px 12px 20px}
.vdlg-bar h2{margin:0;font:700 17px/1.3 var(--font-sans)}
.vdlg-x{display:inline-grid;place-items:center;width:40px;height:40px;border:0;border-radius:var(--radius-md);background:transparent;color:var(--text-strong);cursor:pointer}
.vdlg-x:hover{background:var(--surface-hover)}
.vdlg video{display:block;width:100%;aspect-ratio:16/9;background:#0F172A}
.vdlg-note{margin:0;padding:10px 20px 14px;font-size:13px;color:var(--text-muted)}
/* ---------- Form Liên hệ (YT-0007) ---------- */
.cdlg{width:min(460px,calc(100vw - 24px));max-height:calc(100vh - 24px);padding:0;border:0;border-radius:var(--radius-lg);background:var(--surface-card);color:var(--text-strong);box-shadow:var(--shadow-3);overflow:auto}
.cdlg::backdrop{background:var(--surface-overlay)}
.cdlg-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 12px 4px 20px}
.cdlg-bar h2{margin:0;font:700 18px/1.3 var(--font-sans)}
.cdlg-body{padding:8px 20px 20px}
.cform{display:flex;flex-direction:column;gap:6px;text-align:left}
.cform label{margin-top:8px;font:600 13px/18px var(--font-sans);color:var(--text-strong)}
.cform input,.cform textarea{width:100%;padding:10px 12px;border:1.5px solid var(--border-default);border-radius:var(--radius-md);background:var(--surface-card);color:var(--text-strong);font:500 15px/1.4 var(--font-sans)}
.cform textarea{resize:vertical;min-height:84px}
.cform .btn{margin-top:14px}
.cform .cform-note{margin:8px 0 0;max-width:none;font:500 12px/1.5 var(--font-sans);color:var(--text-muted)}
.cform-trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact-box{max-width:520px;margin:24px auto 0;padding:clamp(20px,4vw,32px)}
.cmail{display:flex;flex-direction:column;gap:12px;text-align:left}
.cmail p{margin:0;max-width:none;font:500 15px/1.6 var(--font-sans);color:var(--text-body)}
.cmail .cform-note{font:500 12px/1.5 var(--font-sans);color:var(--text-muted)}
.cmail strong{color:var(--text-strong);word-break:break-all}
/* ---------- SEO: kicker H1, khối loại xe, trang đích, blog (YT-0014) ---------- */
.hero h1.with-pill{margin-top:0}
.hero h1 .pill{display:flex;width:fit-content;margin:0 auto 24px;letter-spacing:0;text-wrap:wrap}
.hero h1 .slogan{display:block}
.kinds{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:20px;margin-top:32px}
.kind{display:flex;flex-direction:column;gap:10px;padding:clamp(20px,3vw,28px);color:inherit;text-decoration:none}
.kind h3{margin:0;font:700 19px/1.35 var(--font-sans)}
.kind p{margin:0;max-width:none}
.kind span{margin-top:auto;font:700 14px/1 var(--font-sans);color:var(--accent-hover)}
.kind:hover h3{color:var(--accent-hover)}
.legal ul,.legal ol{margin:12px 0 0;padding-left:22px;font:400 15px/1.7 var(--font-sans);color:var(--text-body)}
.legal li+li{margin-top:6px}
.legal h3{margin:24px 0 4px;font:700 17px/26px var(--font-sans)}
.legal table{width:100%;margin-top:12px;border-collapse:collapse;font:400 14px/1.5 var(--font-sans);color:var(--text-body)}
.legal th,.legal td{padding:8px 10px;border:1px solid var(--border-subtle);text-align:left;vertical-align:top}
.legal th{background:var(--surface-sunken);color:var(--text-strong);font-weight:700}
.table-scroll{overflow-x:auto}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;font:500 13px/18px var(--font-sans);color:var(--text-muted)}
.crumbs a{color:var(--text-muted)}
.lp-lead{font-size:17px!important;line-height:1.65!important}
.lp-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.lp-box{margin-top:40px;padding:clamp(20px,4vw,28px)}
.lp-box h2{margin-top:0}
.post-list{list-style:none;padding:0!important}
.post-list li{padding:20px 0;border-bottom:1px solid var(--border-subtle)}
.post-list h2{margin:0 0 6px}
.post-list a{color:inherit}
.post-list a:hover{color:var(--accent-hover)}
.cmsg{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 16px;font:600 14px/1.4 var(--font-sans);text-align:center}
.cmsg-ok{background:var(--success-bg);color:var(--success-fg)}
.cmsg-err{background:var(--danger-bg);color:var(--danger-fg)}
.cmsg-x{border:0;background:transparent;color:inherit;font-size:20px;line-height:1;cursor:pointer}
/* ---------- Trang Về chúng tôi ---------- */
.ab-hero .hero-copy{max-width:760px}
.ab-hero::before{height:min(46%,230px)}
.ab-stats{position:relative;margin:clamp(40px,6vw,64px) auto 0;max-width:900px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:16px}
.ab-stats .card{padding:20px 24px;text-align:center}
.ab-stats dt{font:800 clamp(22px,3vw,28px)/1.2 var(--font-sans);letter-spacing:-.02em;color:var(--accent)}
.ab-stats dd{margin:6px 0 0;font:500 14px/1.5 var(--font-sans);color:var(--text-muted)}
.ab-vision{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:clamp(32px,6vw,72px);align-items:center}
.ab-vision h2{margin:12px 0 0;font:800 clamp(32px,4.6vw,52px)/1.1 var(--font-sans);letter-spacing:-.03em;text-wrap:balance}
.ab-vision p{margin:16px 0 0;max-width:560px;font:400 16px/1.7 var(--font-sans);color:var(--text-body)}
.ab-vision-fig{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:280px;padding:32px;border-radius:20px;background:var(--surface-navy);text-align:center}
.ab-vision-fig span{font:800 clamp(88px,14vw,140px)/1 var(--font-sans);letter-spacing:-.05em;color:#fff}
.ab-vision-fig small{max-width:240px;font:500 15px/1.5 var(--font-sans);color:rgba(255,255,255,.78)}
.rm-note{margin-top:20px;font:500 13px/18px var(--font-sans);color:var(--text-muted)}
.tl{list-style:none;margin:20px 0 0;padding:0 0 0 24px;position:relative;display:grid;gap:16px}
.tl::before{content:"";position:absolute;left:5px;top:12px;bottom:12px;width:2px;background:var(--accent-soft-border)}
.tl li{position:relative;display:grid;grid-template-columns:110px minmax(0,1fr);gap:8px 20px;align-items:start}
.tl li::before{content:"";position:absolute;left:-24px;top:10px;width:12px;height:12px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px var(--surface-app)}
.tl-when{padding-top:4px;font:800 16px/24px var(--font-sans);color:var(--text-strong)}
.tl-card{padding:20px 24px}
.tl-card h3,.ab-research h3{margin:10px 0 0;font:700 18px/26px var(--font-sans)}
.tl-card p,.ab-research p{margin:6px 0 0;font:400 15px/1.65 var(--font-sans);color:var(--text-body)}
.ab-research{margin-top:24px;padding:20px 24px;display:flex;flex-wrap:wrap;gap:12px 20px;align-items:flex-start;border-style:dashed}
.ab-research h3{margin-top:0}
.ab-research > div{flex:1 1 320px}
@media (max-width:640px){.tl li{grid-template-columns:1fr}}
.ab-cta{padding-top:clamp(48px,6vw,80px);background:var(--surface-card)}
.ab-cta-box{align-items:center}
.ab-cta-box > div:first-child{flex:1 1 320px}
.ab-cta-box .contact-box{flex:1 1 360px;max-width:460px;margin:0}