:root {
  --brand: #0b7a5c;
  --brand-600: #096a50;
  --brand-50: #e8f5f0;
  --accent: #ff8a1f;
  --ink: #0f1f1a;
  --muted: #5b6b66;
  --line: #e3ebe8;
  --bg: #ffffff;
  --bg-soft: #f5f9f7;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 31, 26, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(780px, 100% - 32px); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  padding: .85em 1.5em; border-radius: 999px; font-weight: 600; font-size: 1rem;
  border: 2px solid transparent; cursor: pointer; transition: .2s; font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-600); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(11,122,92,.25); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { padding: .55em 1.1em; font-size: .92rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: wait; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-size: 1.05rem;
}
.nav-links { display: flex; gap: 28px; margin-left: auto; font-weight: 500; color: var(--muted); }
.nav-links a:hover { color: var(--brand); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; margin-left: auto; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero {
  padding: 64px 0 80px;
  background:
    radial-gradient(800px 400px at 85% 10%, rgba(11,122,92,.12), transparent 60%),
    radial-gradient(600px 300px at 0% 100%, rgba(255,138,31,.10), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.pill {
  display: inline-block; background: var(--brand-50); color: var(--brand);
  padding: .35em .9em; border-radius: 999px; font-size: .85rem; font-weight: 600; margin-bottom: 18px;
}
.hl { color: var(--brand); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 12px; }
.micro { font-size: .88rem; color: var(--muted); }

.checks { list-style: none; padding: 0; margin: 0 0 1.2em; }
.checks li { position: relative; padding-left: 30px; margin: .55em 0; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .2em; width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='%230b7a5c' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
}
.checks.light li::before { background-color: rgba(255,255,255,.18); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }

/* Phone mockup */
.hero-visual { position: relative; display: flex; justify-content: center; padding: 20px 0; }
.phone {
  width: 290px; border-radius: 40px; padding: 12px; background: #13221d;
  box-shadow: 0 30px 60px rgba(15,31,26,.25); position: relative;
  transform: rotate(-3deg);
}
.phone-notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 110px; height: 22px; background: #13221d; border-radius: 0 0 14px 14px; z-index: 2; }
.screen { background: #fff; border-radius: 30px; padding: 40px 18px 20px; }
.scr-head { display: flex; justify-content: space-between; align-items: flex-start; }
.scr-head small { color: var(--muted); font-size: .78rem; display: block; }
.scr-head strong { font-size: 1.45rem; }
.up { background: var(--brand-50); color: var(--brand); font-weight: 700; font-size: .78rem; padding: 3px 8px; border-radius: 8px; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 110px; margin: 18px 0; padding: 10px; background: var(--bg-soft); border-radius: 14px; }
.bars i { flex: 1; height: var(--h); background: linear-gradient(var(--brand), #2bb38a); border-radius: 6px 6px 3px 3px; animation: grow 1s ease-out both; transform-origin: bottom; }
.bars i:nth-child(odd) { opacity: .75; }
@keyframes grow { from { transform: scaleY(0); } }
.scr-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: .9rem; }
.scr-row span { color: var(--muted); }
.warn { color: #d9480f; }
.scr-btn { margin-top: 16px; background: var(--brand); color: #fff; text-align: center; border-radius: 12px; padding: 11px; font-weight: 600; font-size: .9rem; }

.float-card {
  position: absolute; display: flex; gap: 10px; align-items: center;
  background: #fff; border-radius: 14px; padding: 12px 16px; box-shadow: var(--shadow);
  font-size: .85rem; animation: float 5s ease-in-out infinite;
}
.float-card small { display: block; color: var(--muted); font-size: .76rem; }
.fc-1 { top: 36%; left: -2%; }
.fc-2 { bottom: 12%; right: -2%; animation-delay: -2.5s; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot.green { background: #20c997; box-shadow: 0 0 0 4px rgba(32,201,151,.2); }
.dot.amber { background: var(--accent); box-shadow: 0 0 0 4px rgba(255,138,31,.2); }
@keyframes float { 50% { transform: translateY(-10px); } }

/* Trust */
.trust { border-block: 1px solid var(--line); background: var(--bg-soft); }
.trust-inner { display: flex; align-items: center; gap: 28px; padding: 20px 0; flex-wrap: wrap; }
.trust-inner > span { color: var(--muted); font-size: .9rem; }
.trust-logos { display: flex; gap: 32px; flex-wrap: wrap; color: #8a9a95; font-weight: 700; }

/* Sections */
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head p { color: var(--muted); }
.eyebrow { display: inline-block; color: var(--brand); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature {
  padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  transition: .25s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.feature p { color: var(--muted); font-size: .94rem; margin: 0; }
.ico { width: 48px; height: 48px; border-radius: 12px; background: var(--brand-50); display: grid; place-items: center; margin-bottom: 16px; }
.ico svg { width: 24px; height: 24px; fill: none; stroke: var(--brand); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Tax */
.tax { background: var(--bg-soft); }
.tax-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.tax-grid p { color: var(--muted); }
.tax-card { background: #fff; border-radius: 20px; padding: 26px; box-shadow: var(--shadow); }
.tax-row { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.tax-row span { color: var(--muted); }
.tax-row.head { font-weight: 700; }
.tax-row.head span:first-child { color: var(--ink); }
.tax-row.total { border: 0; font-size: 1.1rem; }
.tax-row.total b { color: var(--brand); }
.tag { background: var(--brand-50); color: var(--brand) !important; font-size: .78rem; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }

/* Tabs */
.tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 32px; background: var(--bg-soft); padding: 6px; border-radius: 999px; width: fit-content; margin-inline: auto; }
.tab { border: 0; background: none; padding: .7em 1.6em; border-radius: 999px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; transition: .2s; }
.tab.active { background: #fff; color: var(--brand); box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.panel { display: none; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.panel.active { display: grid; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
.panel-art {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 28px; border-radius: 24px;
  aspect-ratio: 4/3;
}
.panel-art span { display: grid; place-items: center; font-size: 3rem; background: rgba(255,255,255,.75); border-radius: 18px; }
.art-retail { background: linear-gradient(135deg, #d3f0e5, #b5e3d2); }
.art-fnb { background: linear-gradient(135deg, #ffe6cc, #ffd0a1); }
.art-service { background: linear-gradient(135deg, #e5dcff, #cfc0fb); }

/* Stats */
.stats { background: var(--brand); color: #fff; padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats strong { display: block; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
.stats span { opacity: .85; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price { position: relative; border: 1px solid var(--line); border-radius: 20px; padding: 32px; display: flex; flex-direction: column; background: #fff; }
.price p { color: var(--muted); }
.price .checks { flex: 1; }
.price.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); transform: translateY(-8px); }
.amount { font-size: 2rem; font-weight: 800; margin: 8px 0; }
.amount small { font-size: .95rem; font-weight: 500; color: var(--muted); }
.badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700; padding: 4px 14px; border-radius: 999px; white-space: nowrap; }

/* Reviews */
.reviews { background: var(--bg-soft); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { margin: 0; background: #fff; padding: 28px; border-radius: 20px; display: flex; flex-direction: column; justify-content: space-between; gap: 20px; }
.review blockquote { margin: 0; font-size: 1.02rem; }
.review figcaption { display: flex; gap: 12px; align-items: center; }
.review small { display: block; color: var(--muted); }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--brand-50); color: var(--brand); display: grid; place-items: center; font-weight: 800; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--brand); font-size: 1.4rem; line-height: 1; transition: .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 12px 0 0; }

/* Register */
.register { background: linear-gradient(135deg, #0b7a5c, #0d5e49); color: #fff; }
.register-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.register-copy p { opacity: .9; font-size: 1.08rem; }
.form { background: #fff; color: var(--ink); border-radius: 24px; padding: 32px; box-shadow: 0 30px 60px rgba(0,0,0,.2); }
.form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 14px; }
.form input, .form select {
  display: block; width: 100%; margin-top: 6px; padding: .8em 1em; font: inherit; font-weight: 400;
  border: 1.5px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); transition: .2s;
}
.form input:focus, .form select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-50); }
.form input.invalid { border-color: #e03131; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hp { position: absolute; left: -9999px; }
.form-msg { margin: 12px 0 0; font-size: .92rem; min-height: 1.4em; text-align: center; }
.form-msg.ok { color: var(--brand); font-weight: 600; }
.form-msg.err { color: #e03131; }

/* Footer */
.footer { background: #0f1f1a; color: #b9c7c2; padding: 56px 0 24px; font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 32px; }
.footer .logo { color: #fff; margin-bottom: 12px; }
.footer h4 { color: #fff; font-size: 1rem; }
.footer-grid > div > a, .footer-grid > div > span { display: block; margin: 6px 0; }
.footer a:hover { color: #fff; }
.copyright { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 20px; font-size: .85rem; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(20px); transition: .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .tax-grid, .panel.active, .register-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid, .review-grid { grid-template-columns: 1fr; }
  .price.featured { transform: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tax-card { order: 1; }
}
@media (max-width: 760px) {
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .section { padding: 64px 0; }
  .hero { padding: 32px 0 56px; }
  .float-card { display: none; }
  .phone { width: 250px; }
}
@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; gap: 0; }
  .tabs { width: 100%; }
  .tab { flex: 1; padding: .7em .5em; }
  .form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
