:root {
  --brand: #128c7e; --brand-dark: #075e54; --brand-ink: #053d36; --accent: #25d366; --soft: #e7f6f2;
  --text: #13201c; --muted: #5d6b66; --line: #e3e9e6; --bg: #ffffff; --bg2: #f5f8f7;
  --radius: 16px; --shadow: 0 1px 2px rgba(10, 30, 25, .06), 0 12px 32px rgba(10, 30, 25, .08);
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--brand-dark); }
h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; }
h3 { font-size: 18px; font-weight: 700; }
p { margin: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); margin-bottom: 12px; }
.section { padding: 88px 0; }
.section.alt { background: var(--bg2); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head p { margin-top: 14px; font-size: 18px; color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font: inherit; font-weight: 650; font-size: 15.5px; text-decoration: none; cursor: pointer; border: 1.5px solid transparent; transition: transform .12s ease, background .15s ease, box-shadow .15s ease; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(18, 140, 126, .28); }
.btn.primary:hover { background: var(--brand-dark); }
.btn.ghost { background: #fff; color: var(--brand-ink); border-color: var(--line); }
.btn.ghost:hover { border-color: #c5d3ce; }
.btn.light { background: #fff; color: var(--brand-ink); }
.btn.block { width: 100%; }
.btn svg { width: 18px; height: 18px; flex: none; }

/* Header */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .88); backdrop-filter: saturate(1.6) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 9px; font-size: 19px; text-decoration: none; color: var(--text); white-space: nowrap; }
.logo b { color: var(--brand); }
.logo-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--brand); display: grid; place-items: center; }
.logo-mark svg { width: 20px; height: 20px; }
.nav-links { display: flex; gap: 24px; flex: 1; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 550; font-size: 15px; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-cta .login { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; padding: 0 6px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--text); }
.menu-btn svg { width: 26px; height: 26px; }

/* Hero */
.hero { padding: 72px 0 80px; background: radial-gradient(1200px 520px at 85% -10%, #d9f3ec 0%, rgba(217, 243, 236, 0) 60%), radial-gradient(800px 400px at -10% 20%, #eef9f5 0%, rgba(238, 249, 245, 0) 60%); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 8px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 13.5px; font-weight: 600; color: var(--brand-ink); margin-bottom: 22px; box-shadow: var(--shadow); }
.pill .tag { background: var(--soft); color: var(--brand-dark); padding: 2px 9px; border-radius: 999px; font-size: 12px; }
.hero h1 .hl { color: var(--brand); }
.hero .lead { font-size: 19px; color: var(--muted); margin: 20px 0 30px; max-width: 560px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.trust { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 30px; font-size: 14px; color: var(--muted); }
.trust span { display: inline-flex; align-items: center; gap: 7px; }
.trust svg { width: 18px; height: 18px; color: var(--brand); flex: none; }

/* Product mock */
.mock { position: relative; }
.mock-window { background: #fff; border-radius: 18px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(7, 94, 84, .18), 0 4px 12px rgba(7, 94, 84, .06); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: #fafcfb; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #e1e7e4; }
.mock-bar span { margin-left: 10px; font-size: 12px; color: var(--muted); }
.mock-body { display: grid; grid-template-columns: 190px 1fr; min-height: 340px; }
.mock-list { border-right: 1px solid var(--line); padding: 8px; background: #fbfdfc; }
.chat-item { display: flex; gap: 9px; padding: 9px; border-radius: 10px; align-items: center; }
.chat-item.active { background: var(--soft); }
.av { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; color: #fff; flex: none; }
.chat-item b { display: block; font-size: 12.5px; }
.chat-item small { display: block; font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 112px; }
.mock-chat { display: flex; flex-direction: column; background: #efeae2; background-image: radial-gradient(rgba(0, 0, 0, .035) 1px, transparent 1px); background-size: 14px 14px; }
.mock-chat-head { background: #fff; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; display: flex; justify-content: space-between; align-items: center; }
.mock-chat-head .tagz { font-size: 10.5px; background: var(--soft); color: var(--brand-dark); padding: 2px 8px; border-radius: 99px; font-weight: 600; }
.msgs { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.msg { max-width: 78%; padding: 7px 10px 6px; border-radius: 10px; font-size: 12.5px; line-height: 1.45; box-shadow: 0 1px 1px rgba(0, 0, 0, .06); }
.msg.in { background: #fff; align-self: flex-start; border-top-left-radius: 3px; }
.msg.out { background: #d9fdd3; align-self: flex-end; border-top-right-radius: 3px; }
.msg .meta { display: block; text-align: right; font-size: 10px; color: #7b8a85; margin-top: 2px; }
.msg .tick { color: #34b7f1; }
.msg .btns { display: flex; gap: 5px; margin-top: 6px; }
.msg .btns span { flex: 1; text-align: center; background: #f4fbf9; border: 1px solid #d6ece6; color: var(--brand-dark); border-radius: 7px; padding: 4px; font-size: 11px; font-weight: 600; }
.bot-chip { align-self: center; font-size: 10.5px; color: var(--muted); background: rgba(255, 255, 255, .8); border-radius: 99px; padding: 2px 10px; }
.float-card { position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--line); padding: 12px 14px; font-size: 13px; }
.float-card b { display: block; font-size: 20px; color: var(--brand-ink); }
.float-card.c1 { left: -28px; bottom: 34px; }
.float-card.c2 { right: -18px; top: 70px; }
.bar { height: 6px; border-radius: 6px; background: var(--soft); margin-top: 6px; overflow: hidden; width: 150px; }
.bar i { display: block; height: 100%; width: 72%; background: var(--brand); border-radius: 6px; }

/* Logos strip / stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { text-align: center; padding: 22px 12px; }
.stat b { display: block; font-size: 32px; font-weight: 800; color: var(--brand-ink); letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 14.5px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: box-shadow .2s, transform .2s; }
.feature:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.ficon { width: 44px; height: 44px; border-radius: 12px; background: var(--soft); color: var(--brand-dark); display: grid; place-items: center; margin-bottom: 16px; }
.ficon svg { width: 22px; height: 22px; }
.feature p { color: var(--muted); margin-top: 8px; font-size: 15px; }

/* Split feature rows */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 88px; }
.split.rev .split-text { order: 2; }
.split-text p { color: var(--muted); font-size: 17px; margin-top: 14px; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 11px; align-items: flex-start; }
.checks svg { width: 20px; height: 20px; color: var(--brand); flex: none; margin-top: 3px; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 22px; }
.panel h4 { margin: 0 0 14px; font-size: 14px; }
.camp-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
.camp-row:first-of-type { border-top: 0; }
.camp-row .bar { width: 100%; grid-column: 1 / -1; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { font-size: 12.5px; padding: 5px 11px; border-radius: 99px; background: var(--bg2); border: 1px solid var(--line); color: var(--brand-ink); font-weight: 600; }
.chip.ok { background: #e6f7ee; border-color: #c9ebd8; color: #17804a; }
.chip.warn { background: #fff5e5; border-color: #f6e0b6; color: #9a6206; }
.rule { display: flex; gap: 10px; align-items: center; padding: 10px 12px; background: var(--bg2); border-radius: 10px; font-size: 13.5px; margin-top: 10px; }
.rule code { background: #fff; border: 1px solid var(--line); padding: 1px 7px; border-radius: 6px; font-size: 12.5px; }
.rule .arrow { color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px 24px; }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: -16px; left: 22px; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 800; display: grid; place-items: center; box-shadow: 0 6px 16px rgba(18, 140, 126, .3); }
.step p { color: var(--muted); margin-top: 8px; font-size: 15px; }

/* Pricing */
.billing { display: inline-flex; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin-top: 22px; }
.billing button { border: 0; background: none; padding: 9px 18px; border-radius: 999px; font: inherit; font-weight: 650; font-size: 14.5px; color: var(--muted); cursor: pointer; }
.billing button.on { background: var(--brand); color: #fff; }
.billing .save { font-size: 11.5px; background: #e6f7ee; color: #17804a; padding: 1px 7px; border-radius: 99px; margin-left: 4px; }
.billing button.on .save { background: rgba(255, 255, 255, .22); color: #fff; }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px; display: flex; flex-direction: column; position: relative; }
.plan.pop { border: 2px solid var(--brand); box-shadow: 0 20px 50px rgba(18, 140, 126, .16); }
.plan .badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 99px; white-space: nowrap; }
.plan h3 { font-size: 19px; }
.plan .for { color: var(--muted); font-size: 14px; margin-top: 4px; min-height: 42px; }
.price { margin: 18px 0 4px; display: flex; align-items: baseline; gap: 4px; }
.price b { font-size: 38px; font-weight: 800; letter-spacing: -0.03em; color: var(--brand-ink); }
.price span { color: var(--muted); font-size: 14.5px; }
.price-note { font-size: 13px; color: var(--muted); min-height: 20px; }
.plan .btn { margin: 20px 0 18px; }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 14.5px; }
.plan li { display: flex; gap: 9px; align-items: flex-start; }
.plan li svg { width: 18px; height: 18px; color: var(--brand); flex: none; margin-top: 3px; }
.plan li.off { color: #9aa7a2; }
.plan li.off svg { color: #c4cfcb; }
.price-foot { text-align: center; margin-top: 26px; color: var(--muted); font-size: 14.5px; }

/* Why */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.why-item { display: flex; gap: 16px; padding: 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.why-item .ficon { margin: 0; flex: none; }
.why-item p { color: var(--muted); font-size: 15px; margin-top: 6px; }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 40px 18px 0; font-weight: 650; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font-size: 26px; font-weight: 400; color: var(--brand); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 20px; font-size: 15.5px; }

/* Demo form */
.cta { background: linear-gradient(135deg, var(--brand-dark), var(--brand)); color: #fff; border-radius: 28px; padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; position: relative; overflow: hidden; }
.cta::after { content: ""; position: absolute; width: 420px; height: 420px; right: -140px; top: -160px; border-radius: 50%; background: rgba(255, 255, 255, .07); }
.cta h2 { color: #fff; }
.cta > div > p { color: rgba(255, 255, 255, .85); font-size: 17px; margin-top: 14px; }
.cta .checks li { color: rgba(255, 255, 255, .92); }
.cta .checks svg { color: var(--accent); }
.contact-lines { margin-top: 26px; display: grid; gap: 8px; font-size: 15px; }
.contact-lines a { color: #fff; text-decoration: none; display: inline-flex; gap: 9px; align-items: center; }
.contact-lines svg { width: 18px; height: 18px; opacity: .85; }
.form { background: #fff; color: var(--text); border-radius: 20px; padding: 28px; position: relative; z-index: 1; box-shadow: 0 24px 60px rgba(0, 0, 0, .18); }
.form h3 { margin-bottom: 4px; }
.form .sub { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 12px; }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 6px; padding: 11px 13px; border: 1.5px solid var(--line); border-radius: 11px; font: inherit; font-size: 15px; color: var(--text); background: #fff; transition: border-color .15s, box-shadow .15s; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(18, 140, 126, .12); }
.form textarea { min-height: 84px; resize: vertical; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .err { color: #c53030; font-size: 14px; min-height: 20px; margin: 2px 0 8px; }
.form .fine { font-size: 12.5px; color: var(--muted); margin-top: 10px; text-align: center; }
.form-done { text-align: center; padding: 30px 6px; }
.form-done .ok { width: 60px; height: 60px; border-radius: 50%; background: #e6f7ee; color: #17804a; display: grid; place-items: center; margin: 0 auto 16px; }
.form-done .ok svg { width: 30px; height: 30px; }
.form-done p { color: var(--muted); margin-top: 8px; }

/* Footer */
.footer { padding: 56px 0 30px; background: #0b1f1b; color: #b9c8c3; font-size: 14.5px; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer .logo { color: #fff; }
.footer h5 { color: #fff; font-size: 14px; margin: 0 0 14px; }
.footer a { color: #b9c8c3; text-decoration: none; display: block; padding: 3px 0; }
.footer a:hover { color: #fff; }
.footer .small { font-size: 13px; color: #8aa098; margin-top: 14px; }
.footer .bottom { border-top: 1px solid rgba(255, 255, 255, .08); margin-top: 40px; padding-top: 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: #8aa098; }

/* WhatsApp floating button */
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 30; width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 28px rgba(37, 211, 102, .45); }
.wa-float svg { width: 30px; height: 30px; }

/* Legal pages */
.legal { max-width: 820px; margin: 0 auto; padding: 56px 20px 80px; }
.legal h1 { font-size: 36px; margin-bottom: 8px; }
.legal h2 { font-size: 21px; margin: 34px 0 10px; }
.legal p, .legal li { color: #33423d; font-size: 16px; margin: 10px 0; }
.legal ul { padding-left: 22px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* Responsive */
@media (max-width: 1020px) {
  .plans { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links, .nav-cta .login { display: none; }
  .menu-btn { display: block; }
  .nav-cta { display: none; }
  .nav.open .nav-links { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); gap: 4px; }
  .nav.open .nav-links a { padding: 10px 0; font-size: 16px; }
  .hero { padding: 40px 0 56px; }
  .hero .wrap, .split, .cta { grid-template-columns: 1fr; }
  .hero .wrap { gap: 40px; }
  .split.rev .split-text { order: 0; }
  .split { gap: 30px; }
  .split + .split { margin-top: 64px; }
  .steps, .why { grid-template-columns: 1fr; gap: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .cta { padding: 32px 20px; border-radius: 22px; gap: 30px; }
  .float-card { display: none; }
}
@media (max-width: 560px) {
  .plans, .features { grid-template-columns: 1fr; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-list { display: none; }
  .form .row { grid-template-columns: 1fr; gap: 0; }
  .form { padding: 22px 18px; }
  .footer .cols { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1; }
}
.wa-float[hidden], [hidden] { display: none !important; }
.float-card.c2 { right: -22px; top: -22px; }
@media (max-width: 560px) {
  .pill { font-size: 12.5px; padding: 5px 12px 5px 6px; }
  .pill .tag { white-space: nowrap; }
  .hero h1 { font-size: 34px; }
}