/* Billants public website */
:root { --bp: #5b3df5; --bp2: #8b5cf6; --ink: #161a35; --muted: #667096; --line: #e7e9f4; --soft: #f5f3ff; --bs-primary: #5b3df5; --bs-primary-rgb: 91, 61, 245; --bs-link-color: #5b3df5; --bs-body-color: #161a35; --bs-border-radius: 5px; }
html { scroll-behavior: smooth; }
body { font-family: Inter, "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif; color: var(--ink); background: #fff; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; }
h1, h2, h3, h4, h5, h6 { letter-spacing: -.02em; font-weight: 750; color: var(--ink); }
.muted { color: var(--muted) !important; }
.bi, .ti { vertical-align: -.2em; }
.btn { border-radius: 6px; font-weight: 600; padding: .6rem 1.2rem; }
.btn-lg { padding: .85rem 1.6rem; font-size: 1.05rem; }
.btn-bp { background: linear-gradient(90deg, var(--bp), var(--bp2)); color: #fff; border: 0; box-shadow: 0 8px 22px rgba(91, 61, 245, .28); }
.btn-bp:hover { color: #fff; filter: brightness(1.07); transform: translateY(-1px); }
.btn-outline-primary { --bs-btn-color: var(--bp); --bs-btn-border-color: var(--bp); --bs-btn-hover-bg: var(--bp); --bs-btn-hover-border-color: var(--bp); }
.navbar { backdrop-filter: blur(12px); background: rgba(255, 255, 255, .88) !important; }
.navbar .nav-link { font-weight: 600; color: #2b2f4d; padding: .5rem .9rem; }
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--bp); }
.section { padding: 72px 0; }
.section-soft { background: linear-gradient(180deg, #faf9ff, #fff); }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--bp); background: var(--soft); border-radius: 20px; padding: 5px 14px; margin-bottom: 14px; }
.sec-title { font-size: clamp(26px, 3.6vw, 40px); line-height: 1.12; }

/* hero */
.hero { background: radial-gradient(900px 500px at 85% -10%, #e4dcff 0%, transparent 60%), radial-gradient(700px 400px at -5% 20%, #f1ecff 0%, transparent 60%), #fff; padding: 64px 0 56px; position: relative; overflow: hidden; }
.hero h1 { font-weight: 800; font-size: clamp(32px, 5vw, 54px); line-height: 1.07; letter-spacing: -.035em; }
.hero h1 span { background: linear-gradient(90deg, var(--bp), #b03cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 1.15rem; color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 18px 0 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
.ticks li { display: flex; gap: 8px; align-items: flex-start; font-weight: 550; font-size: 15px; }
.ticks .bi { color: #12a150; margin-top: 3px; }
.login-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 30px; box-shadow: 0 30px 70px rgba(70, 40, 190, .18); }
.login-card h4 { font-size: 22px; margin-bottom: 4px; }
.login-card .form-control { border-radius: 6px; padding: .72rem .9rem; border-color: #d9dcee; }
.login-card .form-control:focus { border-color: var(--bp); box-shadow: 0 0 0 3px rgba(91, 61, 245, .15); }
.login-card label { font-weight: 600; font-size: 13px; margin-bottom: 5px; }
.or { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; margin: 16px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 22px; color: var(--muted); font-size: 14px; font-weight: 550; }
.hero-badges .bi { color: var(--bp); }

/* screenshots */
.frame { background: #fff; border-radius: 7px; border: 1px solid #dcdff0; box-shadow: 0 30px 70px rgba(30, 20, 90, .18); overflow: hidden; }
.frame .bar { height: 30px; background: #f1f2fa; border-bottom: 1px solid #e3e5f3; display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.frame .bar i { width: 10px; height: 10px; border-radius: 50%; background: #d3d6ea; display: block; }
.frame .bar i:nth-child(1) { background: #ff6b6b; } .frame .bar i:nth-child(2) { background: #ffc145; } .frame .bar i:nth-child(3) { background: #3ddc84; }
.frame .bar span { margin-left: 10px; font-size: 11px; color: #7a80a4; background: #fff; border-radius: 3px; padding: 2px 12px; }
.frame img { width: 100%; display: block; }
.phone { width: min(290px, 70vw); border-radius: 34px; border: 9px solid #12142b; overflow: hidden; box-shadow: 0 30px 60px rgba(30, 20, 90, .3); background: #fff; margin: 0 auto; }
.phone img { width: 100%; display: block; }
.tour-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 26px 0 28px; }
.tour-tabs button { border: 1px solid var(--line); background: #fff; border-radius: 30px; padding: 9px 20px; font-weight: 650; color: #3b4064; display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.tour-tabs button.on { background: linear-gradient(90deg, var(--bp), var(--bp2)); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(91, 61, 245, .25); }
.tour-pane { display: none; } .tour-pane.on { display: block; animation: fade .35s; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* feature rows + grid */
.f-row { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; margin-bottom: 96px; }
.f-row.rev { grid-template-columns: 1.25fr 1fr; } .f-row.rev .f-text { order: 2; }
.f-text h3 { font-size: clamp(24px, 3vw, 34px); line-height: 1.15; margin-bottom: 14px; }
.f-text ul { list-style: none; padding: 0; margin: 18px 0 0; }
.f-text li { display: flex; gap: 10px; margin-bottom: 10px; }
.f-text li .bi { color: var(--bp); margin-top: 3px; flex: none; }
.f-icon { width: 48px; height: 48px; border-radius: 7px; background: var(--soft); color: var(--bp); display: inline-flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 14px; }
.feat { border: 1px solid var(--line); border-radius: 8px; padding: 22px; height: 100%; background: #fff; transition: transform .2s, box-shadow .2s; }
.feat:hover { transform: translateY(-4px); box-shadow: 0 16px 38px rgba(70, 40, 190, .12); }
.feat .f-icon { width: 42px; height: 42px; font-size: 21px; margin-bottom: 12px; }
.feat h6 { font-size: 16px; margin-bottom: 6px; }
.feat p { color: var(--muted); font-size: 14px; margin: 0; }
.stat { text-align: center; } .stat b { display: block; font-size: 38px; letter-spacing: -.03em; background: linear-gradient(90deg, var(--bp), #b03cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step-no { width: 54px; height: 54px; border-radius: 50%; background: linear-gradient(135deg, var(--bp), var(--bp2)); color: #fff; font-weight: 800; font-size: 22px; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; }
.kb { display: inline-block; background: var(--soft); border: 1px solid #d9d0ff; color: var(--bp); border-radius: 3.5px; padding: 1px 8px; font-weight: 700; font-size: 13px; }

/* pricing */
.plan { border: 1px solid #e0e3f3; border-radius: 20px; padding: 28px; height: 100%; background: #fff; position: relative; }
.plan.pop { border: 2px solid var(--bp); box-shadow: 0 22px 50px rgba(91, 61, 245, .18); }
.plan .price { font-size: 38px; font-weight: 800; letter-spacing: -.03em; }
.accordion-button:not(.collapsed) { background: var(--soft); color: var(--bp); box-shadow: none; }
.accordion-item { border-radius: 7px !important; border: 1px solid var(--line); margin-bottom: 10px; overflow: hidden; }
.cta { background: linear-gradient(120deg, #3b22c9, #7a3cff 55%, #b03cff); color: #fff; border-radius: 28px; padding: 56px 30px; }
.cta h2 { color: #fff; }
footer.site { background: #12142b; color: #aab0d3; padding: 48px 0 28px; }
footer.site a { color: #d4d8f3; } footer.site a:hover { color: #fff; }
footer.site b { color: #fff; }
@media (max-width: 991px) { .f-row, .f-row.rev { grid-template-columns: 1fr; gap: 26px; margin-bottom: 64px; } .f-row.rev .f-text { order: 0; } .ticks { grid-template-columns: 1fr; } .hero { padding: 36px 0; } .section { padding: 52px 0; } }