/* Logged-out landing: one large rounded card on a tinted page; tabs ride the step card's top edge. */
body.landing-page { background:radial-gradient(900px 420px at 8% -5%,var(--brand-line),transparent 70%),radial-gradient(800px 380px at 100% 0,#d9f2e3,transparent 70%),linear-gradient(180deg,var(--brand-soft),var(--bg) 600px); min-height:100vh; }
.landing { max-width:1100px; margin:12px; padding:22px 14px 28px; background:var(--card); border-radius:28px; box-shadow:0 18px 50px rgba(21,128,61,.12), 0 2px 6px rgba(15,23,42,.05); }
@media (min-width:700px) { .landing { margin:40px auto; padding:36px 48px 44px; border-radius:36px; } }

/* brand header: centered, tagline as a chip */
.landing .brand-bar { flex-wrap:wrap; justify-content:center; gap:10px 14px; margin-bottom:18px; }
.landing .brand-id { display:flex; align-items:center; gap:12px; }
.landing .brand-bar svg { width:52px; height:52px; border-radius:16px; box-shadow:0 8px 18px rgba(22,163,74,.3); }
.landing .brand-bar .name { font-size:24px; font-weight:800; color:var(--ink); }
.landing .brand-bar .name em { font-style:normal; color:var(--brand); }
.landing .brand-bar .tag { display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:99px; background:var(--bg); font-size:12px; font-weight:600; color:var(--muted); }
.landing .brand-bar .tag svg { width:14px; height:14px; box-shadow:none; border-radius:0; color:var(--brand); }
@media (min-width:700px) { .landing .brand-bar .name { font-size:30px; } .landing .brand-bar .tag { font-size:14px; } }

.landing h2.section { font-size:22px; font-weight:800; text-align:center; margin:22px 0 22px; letter-spacing:-.01em; }
@media (min-width:700px) { .landing h2.section { font-size:32px; margin:30px 0 26px; } }

/* 4 steps: pill tabs centered on the card border */
.steps { position:relative; z-index:1; display:flex; justify-content:center; gap:4px; margin:0 -8px -20px; padding:0; }
.steps button { flex:none; width:auto; margin:0; padding:7px 7px; display:inline-flex; align-items:center; gap:4px; font-size:11.5px; font-weight:700; line-height:1.2; white-space:nowrap; border-radius:99px; background:#fff; color:var(--muted); border:1.5px solid var(--line); }
.steps button b { width:16px; height:16px; border-radius:50%; background:var(--bg); color:var(--muted); display:grid; place-items:center; font-size:10px; }
.steps button:hover { background:var(--brand-soft); }
.steps button.active { background:var(--brand-soft); color:var(--brand-dark); border-color:var(--brand); box-shadow:0 4px 12px rgba(22,163,74,.18); }
.steps button.active b { background:var(--brand); color:#fff; }
@media (min-width:700px) { .steps { margin:0 0 -22px; gap:10px; } .steps button { padding:11px 20px; font-size:15px; gap:9px; } .steps button b { width:26px; height:26px; font-size:13px; } }

.step-card { border:1.5px solid var(--line); background:#fff; border-radius:24px; padding:38px 16px 18px; display:grid; grid-template-columns:1fr 108px; gap:14px; align-items:center; touch-action:pan-y; min-height:230px; }
.step-card .label { display:inline-block; padding:4px 12px; border-radius:99px; background:var(--brand-soft); border:1px solid var(--brand-line); font-size:12px; font-weight:700; color:var(--brand-dark); }
.step-card h3 { margin:12px 0 10px; font-size:19px; font-weight:800; letter-spacing:-.01em; }
.step-card ul { margin:0; padding:0; list-style:none; font-size:13px; color:var(--muted); }
.step-card li { position:relative; margin:6px 0; padding-left:16px; }
.step-card li::before { content:""; position:absolute; left:2px; top:.55em; width:6px; height:6px; border-top:2px solid var(--brand); border-right:2px solid var(--brand); transform:translateY(-50%) rotate(45deg); }
.step-card .tip { margin:14px 0 0; padding:10px 12px; border-radius:14px; background:var(--warn-soft); color:var(--warn); font-size:12px; font-weight:700; }
.step-card .art svg { display:block; width:100%; height:auto; filter:drop-shadow(0 10px 18px rgba(21,128,61,.22)); }
@media (min-width:700px) {
  .step-card { grid-template-columns:1fr 300px; gap:40px; padding:52px 64px 40px; min-height:480px; border-radius:30px; }
  .step-card h3 { font-size:30px; margin:16px 0 16px; }
  .step-card ul { font-size:17px; }
  .step-card li { margin:10px 0; padding-left:28px; }
  .step-card li::before { left:4px; width:8px; height:8px; }
  .step-card .tip { font-size:15px; padding:14px 18px; border-radius:18px; margin-top:22px; }
  .step-card .label { font-size:14px; padding:5px 16px; }
  .step-card .art { justify-self:center; width:270px; }
}

/* Zalo + login */
.zalo { display:flex; width:max-content; align-items:center; justify-content:center; gap:8px; margin:22px auto 0; padding:7px 16px; border-radius:99px; background:var(--zalo); color:#fff; font-size:13px; font-weight:700; text-decoration:none; }
.zalo:hover { background:#0057d6; }
.login-box { max-width:720px; margin:26px auto 0; text-align:center; }
.login-box h2 { font-size:21px; font-weight:800; margin:0 0 16px; color:var(--brand-dark); }
@media (min-width:700px) { .login-box h2 { font-size:28px; margin-bottom:22px; } }
.login-box form, .login-box #emailBox { text-align:left; }
.consent { display:flex; gap:12px; align-items:center; text-align:left; min-height:56px; margin:0; padding:10px 14px; border:1.5px solid var(--brand-line); border-radius:16px; background:var(--brand-soft); font-size:14px; font-weight:500; color:var(--ink); cursor:pointer; }
.consent input { flex:none; width:26px; height:26px; margin:0; accent-color:var(--brand); cursor:pointer; }
.consent.nudge { animation:nudge .5s; border-color:var(--warn); }
@keyframes nudge { 20%,60% { transform:translateX(-6px); } 40%,80% { transform:translateX(6px); } }
.lock-hint { margin:8px 0 0; font-size:13px; font-weight:700; color:var(--warn); }
.lock-hint::before { content:"\2193 "; }
#googleBtn { max-width:520px; margin-left:auto; margin-right:auto; display:flex; justify-content:center; align-items:center; min-height:62px; margin-top:12px; padding:8px; border:2px solid var(--brand); border-radius:99px; background:#fff; box-shadow:0 8px 22px rgba(22,163,74,.2); transition:opacity .15s; }
#googleBtn.locked { opacity:.5; filter:grayscale(1); border-color:var(--line); box-shadow:none; cursor:not-allowed; }
#googleBtn.locked > * { pointer-events:none; }
.link-btn { width:auto; display:block; margin:12px auto 0; padding:6px 10px; background:none; color:var(--brand-dark); font-size:13px; font-weight:600; text-decoration:underline; }
.link-btn:hover { background:none; }
.or { text-align:center; font-size:12px; color:var(--muted); margin-top:12px; }
.auth-tabs { display:flex; gap:6px; margin-bottom:4px; }
.auth-tabs button { margin:0; padding:9px; background:#fff; color:var(--ink); border:1px solid var(--line); }
.auth-tabs button.active { background:var(--ink); color:#fff; border-color:var(--ink); }

/* "why" row between divider lines */
.why { max-width:720px; margin:22px auto 0; }
.why summary { list-style:none; cursor:pointer; display:flex; align-items:center; gap:12px; }
.why summary::-webkit-details-marker { display:none; }
.why summary::before, .why summary::after { content:""; flex:1; height:1px; background:var(--brand-line); }
.why .q { display:inline-flex; align-items:center; gap:7px; font-size:14px; font-weight:700; color:var(--brand-dark); }
.why .q svg { width:18px; height:18px; }
.why[open] .q { text-decoration:underline; }
.faq { margin-top:8px; }
.faq details { border-bottom:1px solid var(--line); padding:12px 2px; }
.faq summary { cursor:pointer; font-weight:600; list-style:none; display:flex; justify-content:space-between; gap:10px; }
.faq summary::after { content:"+"; color:var(--brand); font-size:20px; line-height:1; }
.faq details[open] summary::after { content:"\2212"; }
.faq summary::-webkit-details-marker { display:none; }
.faq p { margin:8px 0 0; font-size:14px; color:#334155; }

/* bottom banner: true lines only, icon row instead of avatars */
.banner { margin-top:26px; display:flex; flex-direction:column; gap:12px; padding:16px; border:1.5px solid var(--brand-line); border-radius:22px; background:linear-gradient(135deg,var(--brand-soft),#fff); }
.b-icons { display:flex; }
.b-icons span { width:34px; height:34px; border-radius:50%; display:grid; place-items:center; background:var(--brand); color:#fff; border:2px solid #fff; margin-left:-8px; }
.b-icons span:first-child { margin-left:0; }
.b-icons span:nth-child(2) { background:var(--brand-dark); }
.b-icons svg { width:18px; height:18px; }
.b-text { display:flex; flex-direction:column; gap:2px; }
.b-text b { font-size:15px; font-weight:800; }
.b-text span { font-size:13px; color:var(--muted); }
.trust { display:flex; flex-wrap:wrap; gap:8px; }
.trust span { font-size:12px; font-weight:600; color:var(--brand-dark); background:#fff; border:1px solid var(--brand-line); border-radius:99px; padding:5px 11px; }
@media (min-width:700px) {
  .banner { flex-direction:row; align-items:center; gap:20px; padding:22px 26px; margin-top:34px; }
  .b-icons span { width:46px; height:46px; margin-left:-12px; }
  .b-icons svg { width:24px; height:24px; }
  .b-text { flex:1; } .b-text b { font-size:18px; } .b-text span { font-size:14px; }
  .trust { flex:none; max-width:340px; justify-content:flex-end; } .trust span { font-size:13px; padding:7px 14px; }
}
.landing footer { margin-top:22px; text-align:center; font-size:13px; }