:root {
  --blue: #0e7aa8;
  --blue-d: #0a5d82;
  --navy: #1b2f4f;
  --ink: #0b1626;
  --red: #e43825;
  --green: #00693a;
  --green-l: #00a14b;
  --yellow: #fde100;
  --paper: #ffffff;
  --paper-2: #f2f6fa;
  --line: #dde6ee;
  --text: #14233a;
  --muted: #5b6c80;
  --grad: linear-gradient(135deg, var(--blue), var(--navy));
  --radius: 20px;
  --shadow: 0 30px 70px -28px rgba(27, 47, 79, .45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { font-family: 'Inter', system-ui, sans-serif; color: var(--text); background: var(--paper); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { width: min(1200px, 100% - 40px); margin-inline: auto; }
h1, h2, h3, h4 { font-family: 'Sora', 'Inter', sans-serif; line-height: 1.12; letter-spacing: -0.02em; }
.grad-text { background: linear-gradient(100deg, var(--blue), var(--green-l)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Flag bar */
.flagbar { height: 5px; background: linear-gradient(90deg, var(--red) 0 16.6%, #fff 16.6% 33.3%, #3869a8 33.3% 50%, var(--green) 50% 66.6%, var(--yellow) 66.6% 83.3%, #1d4f91 83.3%); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px; border: 0; cursor: pointer; transition: transform .2s, box-shadow .2s; font-family: inherit; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 30px -10px rgba(14, 122, 168, .7); }
.btn-ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--blue); }
.btn-light { background: #fff; color: var(--navy); }

/* Header */
.header { position: fixed; inset: 5px 0 auto 0; z-index: 50; transition: background .3s, box-shadow .3s; }
.header.scrolled { background: rgba(255, 255, 255, .9); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 20px; }
.header .logo img { height: 52px; width: auto; }
.nav { display: flex; gap: 26px; }
.nav a { color: var(--muted); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav a:hover { color: var(--blue); }
.head-r { display: flex; align-items: center; gap: 12px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: #fff; }
.lang button { border: 0; background: none; padding: 7px 12px; font: 600 12px 'Inter'; color: var(--muted); cursor: pointer; }
.lang button.on { background: var(--navy); color: #fff; }
.header .btn { padding: 10px 20px; font-size: 14px; }
.burger { display: none; background: none; border: 0; color: var(--navy); font-size: 28px; cursor: pointer; }

/* Hero */
.hero { position: relative; padding: 170px 0 100px; overflow: hidden; isolation: isolate; background: radial-gradient(700px 480px at 85% 10%, rgba(14, 122, 168, .16), transparent 70%), radial-gradient(520px 400px at 0% 90%, rgba(0, 161, 75, .12), transparent 70%), linear-gradient(180deg, #f6fafd, #fff); }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 56px 56px; opacity: .5; mask-image: radial-gradient(ellipse at 70% 20%, #000 10%, transparent 65%); -webkit-mask-image: radial-gradient(ellipse at 70% 20%, #000 10%, transparent 65%); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px; border: 1px solid rgba(14, 122, 168, .3); border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--blue-d); background: rgba(14, 122, 168, .07); margin-bottom: 26px; }
.badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--green-l); box-shadow: 0 0 10px var(--green-l); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.hero h1 { font-size: clamp(38px, 5.4vw, 66px); font-weight: 800; color: var(--navy); }
.hero .lead { margin-top: 24px; max-width: 580px; font-size: clamp(17px, 2vw, 19px); color: var(--muted); }
.hero-cta { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 38px; display: flex; gap: 24px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.hero-trust span::before { content: '✓'; color: var(--green-l); margin-right: 8px; font-weight: 800; }

/* Invoice mock */
.hero-visual { position: relative; }
.inv { background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 26px; transform: perspective(1400px) rotateY(-5deg) rotateX(2deg); animation: float 7s ease-in-out infinite; }
@keyframes float { 50% { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) translateY(-12px); } }
.inv-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.inv-top b { font-family: 'Sora'; font-size: 15px; color: var(--navy); }
.status { font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; background: #e7f6ee; color: var(--green); display: inline-flex; gap: 6px; align-items: center; }
.status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--green-l); }
.inv-rows { border-top: 1px dashed var(--line); }
.inv-row { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.inv-row span { color: var(--muted); }
.inv-row b { font-weight: 600; text-align: right; }
.inv-row code { font-family: ui-monospace, Consolas, monospace; font-size: 11.5px; word-break: break-all; color: var(--blue-d); }
.inv-total { margin-top: 18px; display: flex; justify-content: space-between; align-items: flex-end; }
.inv-total small { color: var(--muted); font-size: 12px; }
.inv-total strong { display: block; font-family: 'Sora'; font-size: 30px; color: var(--navy); }
.qr { width: 64px; height: 64px; border-radius: 8px; background:
  conic-gradient(from 90deg at 50% 50%, var(--navy) 25%, transparent 0 50%, var(--navy) 0 75%, transparent 0) 0 0 / 16px 16px, #fff; border: 4px solid #fff; outline: 2px solid var(--navy); }
.float-chip { position: absolute; background: #fff; border: 1px solid var(--line); padding: 10px 16px; border-radius: 14px; font-size: 13px; font-weight: 600; display: flex; gap: 10px; align-items: center; box-shadow: 0 18px 40px -16px rgba(27, 47, 79, .4); }
.chip-1 { left: -30px; bottom: 50px; animation: float2 6s ease-in-out infinite; }
.chip-2 { right: -12px; top: -22px; animation: float2 8s ease-in-out infinite reverse; }
@keyframes float2 { 50% { transform: translateY(-10px); } }
.dot-r, .dot-g { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: var(--red); } .dot-g { background: var(--green-l); }

/* Strip */
.strip { background: var(--navy); color: #fff; padding: 46px 0; }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.strip b { display: block; font-family: 'Sora'; font-size: clamp(30px, 4vw, 46px); font-weight: 800; }
.strip span { color: #a9bdd6; font-size: 14px; }

/* Sections */
section { padding: 110px 0; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.sec-head { max-width: 780px; margin-bottom: 56px; }
.sec-head.center { text-align: center; margin-inline: auto; }
.sec-head h2 { font-size: clamp(30px, 4.4vw, 50px); font-weight: 800; color: var(--navy); }
.sec-head p { margin-top: 18px; font-size: 18px; color: var(--muted); }
.alt { background: var(--paper-2); }
.dark { background: var(--ink); color: #fff; }
.dark .sec-head h2 { color: #fff; }
.dark .sec-head p { color: #9fb3cb; }
.dark .eyebrow { color: #5fc4ee; }

/* Pain */
.pain { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pain div { padding: 30px 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--red); }
.pain div:nth-child(2) { border-top-color: var(--yellow); } .pain div:nth-child(3) { border-top-color: var(--green-l); }
.pain h4 { font-size: 18px; margin-bottom: 8px; color: var(--navy); }
.pain p { color: var(--muted); font-size: 15px; }

/* Modules */
.mods { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.mod { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px; transition: transform .25s, box-shadow .25s, border-color .25s; }
.mod:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -24px rgba(27, 47, 79, .4); border-color: var(--blue); }
.mod .ico { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: var(--grad); color: #fff; font-size: 23px; margin-bottom: 18px; }
.mod h3 { font-size: 17px; margin-bottom: 8px; color: var(--navy); }
.mod p { font-size: 14px; color: var(--muted); }

/* SIFEN */
.sifen { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.sifen h2 { font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; }
.sifen > div > p { margin-top: 18px; color: #9fb3cb; font-size: 18px; }
.flow { margin-top: 34px; display: grid; gap: 14px; }
.flow li { display: flex; gap: 16px; align-items: flex-start; padding: 16px 20px; border: 1px solid rgba(255, 255, 255, .1); border-radius: 16px; background: rgba(255, 255, 255, .03); }
.flow .n { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 800 14px 'Sora'; background: linear-gradient(135deg, var(--blue), var(--green-l)); color: #fff; }
.flow h4 { font-size: 16px; margin-bottom: 2px; }
.flow p { font-size: 14px; color: #9fb3cb; }
.code { background: #07101d; border: 1px solid rgba(255, 255, 255, .1); border-radius: 18px; overflow: hidden; box-shadow: 0 30px 70px -30px rgba(14, 122, 168, .5); }
.code-bar { display: flex; gap: 7px; align-items: center; padding: 13px 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.code-bar i { width: 11px; height: 11px; border-radius: 50%; background: #2c4559; }
.code-bar span { margin-left: 8px; font: 12px ui-monospace, Consolas, monospace; color: #7f95ad; }
.code pre { padding: 22px; font: 13px/1.8 ui-monospace, 'JetBrains Mono', Consolas, monospace; color: #cfe0f1; overflow-x: auto; min-height: 330px; }
.code .k { color: #5fc4ee; } .code .s { color: #6ee7a8; } .code .c { color: #5d7b92; } .code .o { color: #ffd479; }
.code .cursor { display: inline-block; width: 8px; height: 14px; background: #5fc4ee; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Currency */
.fx { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.fx h2 { font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; color: var(--navy); }
.fx > div > p { margin-top: 18px; color: var(--muted); font-size: 18px; }
.perks { margin-top: 26px; display: grid; gap: 12px; }
.perks li { display: flex; gap: 12px; }
.perks li::before { content: '✓'; color: var(--green-l); font-weight: 800; }
.calc { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 32px; box-shadow: var(--shadow); }
.calc h4 { font-size: 15px; color: var(--muted); font-family: 'Inter'; font-weight: 600; margin-bottom: 16px; }
.calc .amount { display: flex; gap: 10px; }
.calc input { flex: 1; min-width: 0; padding: 14px 18px; font: 700 24px 'Sora'; color: var(--navy); border: 1px solid var(--line); border-radius: 14px; outline: none; }
.calc input:focus { border-color: var(--blue); }
.calc select { padding: 0 14px; border: 1px solid var(--line); border-radius: 14px; font: 600 15px 'Inter'; background: #fff; color: var(--navy); }
.res { margin-top: 20px; display: grid; gap: 10px; }
.res div { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; border-radius: 14px; background: var(--paper-2); }
.res span { font-weight: 600; color: var(--muted); font-size: 14px; display: flex; gap: 10px; align-items: center; }
.res b { font: 700 20px 'Sora'; color: var(--navy); }
.calc small { display: block; margin-top: 14px; font-size: 12px; color: var(--muted); }

/* Who */
.who { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.who div { padding: 28px 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); text-align: center; }
.who .e { font-size: 34px; margin-bottom: 10px; }
.who h4 { color: var(--navy); font-size: 17px; margin-bottom: 6px; }
.who p { font-size: 14px; color: var(--muted); }

/* CTA */
.cta { background: radial-gradient(700px 400px at 90% 0%, rgba(0, 161, 75, .3), transparent 70%), radial-gradient(600px 400px at 0% 100%, rgba(14, 122, 168, .5), transparent 70%), var(--navy); color: #fff; }
.cta .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta .eyebrow { color: #7fd6f5; }
.cta h2 { font-size: clamp(30px, 4.4vw, 50px); font-weight: 800; }
.cta p { margin-top: 18px; color: #bcd0e6; font-size: 18px; }
.contact-list { margin-top: 26px; display: grid; gap: 12px; color: #e1ecf7; }
.form { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14); border-radius: 24px; padding: 34px; backdrop-filter: blur(10px); display: grid; gap: 14px; }
.form label { font-size: 13px; font-weight: 600; color: #bcd0e6; display: grid; gap: 6px; }
.form input, .form select, .form textarea { width: 100%; padding: 13px 16px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .08); color: #fff; font: inherit; font-size: 15px; outline: none; }
.form select option { color: #000; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: #7fd6f5; }
.form textarea { min-height: 100px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form .btn { justify-content: center; }
.form-ok { display: none; color: #6ee7a8; font-weight: 600; text-align: center; }

/* Footer */
.footer { background: var(--ink); color: #8fa4bc; padding: 56px 0 28px; font-size: 14px; }
.footer .top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer .brand { display: flex; align-items: center; gap: 14px; }
.footer .brand img { height: 46px; width: auto; background: #fff; border-radius: 10px; padding: 4px 8px; }
.footer .by { display: flex; align-items: center; gap: 10px; }
.footer .by img { height: 30px; width: auto; }
.footer a:hover { color: #7fd6f5; }
.footer .links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer .bottom { padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero .wrap, .sifen, .fx, .cta .wrap { grid-template-columns: 1fr; }
  .mods, .who { grid-template-columns: 1fr 1fr; }
  .pain { grid-template-columns: 1fr; }
  .strip .wrap { grid-template-columns: 1fr 1fr; }
  .inv { transform: none; animation: none; }
  .chip-1 { left: 8px; }
  .nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px; gap: 18px; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .burger { display: block; }
  .header .btn { display: none; }
}
@media (max-width: 600px) {
  section { padding: 80px 0; }
  .mods, .who { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .header .logo img { height: 44px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } .reveal { opacity: 1; transform: none; } }

.wa-link { display: inline-flex; align-items: center; gap: 10px; transition: color .2s; }
.wa-link:hover { color: #25d366; }
.wa-ico { width: 20px; height: 20px; fill: #25d366; flex: none; }

/* Mobile overflow fixes */
.hero .wrap > *, .sifen > *, .fx > *, .cta .wrap > *, .seg-wrap > * { min-width: 0; }
.calc .amount input { width: 100%; }
.calc { max-width: 100%; }
@media (max-width: 600px) {
  .calc { padding: 22px 18px; }
  .calc input { font-size: 20px; padding: 12px 14px; }
  .inv { padding: 20px 16px; }
  .inv-row { flex-wrap: wrap; }
  .chip-1 { left: 4px; } .chip-2 { right: 4px; }
  .footer .bottom, .footer .top { flex-direction: column; }
}