/* Northa - placeholder styles */
:root {
  --blue: #0f6fff; --teal: #19c3a6; --ink: #0d1b2a; --muted: #5b6b7f; --line: #e3e8ef;
  --bg: #f6f8fb; --card: #fff; --radius: 14px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: #fff; line-height: 1.6; }
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* header */
header { position: sticky; top: 0; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav img { height: 36px; display: block; color: var(--ink); }
.nav ul { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--ink); font-weight: 500; }
.nav ul a:hover { color: var(--blue); }
.btn { display: inline-block; padding: 11px 22px; border-radius: 10px; font-weight: 600; border: 0; cursor: pointer; font-size: 15px; }
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--teal)); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* hero */
.hero { padding: 96px 0 80px; background: radial-gradient(1000px 400px at 80% -10%, #e6f0ff, transparent), radial-gradient(700px 300px at 0% 110%, #e3faf5, transparent); }
.hero .tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--blue); background: #e8f1ff; padding: 5px 12px; border-radius: 99px; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.12; margin: 18px 0; max-width: 760px; }
.hero h1 span { background: linear-gradient(135deg, var(--blue), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 19px; color: var(--muted); max-width: 620px; }
.hero .cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

/* sections */
section { padding: 80px 0; }
section.alt { background: var(--bg); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: 34px; margin: 0 0 10px; }
.section-head p { color: var(--muted); margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card .ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: #eaf2ff; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.ph { color: #9aa7b6; font-style: italic; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 22px; text-align: center; }
.stats b { display: block; font-size: 36px; background: linear-gradient(135deg, var(--blue), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { color: var(--muted); }

.paybox { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; background: linear-gradient(135deg, #0d1b2a, #123a63); color: #fff; border-radius: 20px; padding: 40px; }
.paybox h2 { margin: 0 0 6px; }
.paybox p { margin: 0; color: #c4d3e6; }

/* contact */
form.contact { display: grid; gap: 14px; max-width: 560px; margin: 0 auto; }
input, textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
input:focus, textarea:focus { outline: 2px solid #bcd6ff; border-color: var(--blue); }

/* pay page */
.pay-wrap { max-width: 720px; margin: 0 auto; padding: 64px 24px 96px; }
.lookup { display: flex; gap: 10px; }
.lookup input { text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.msg { margin-top: 14px; padding: 12px 14px; border-radius: 10px; font-size: 15px; }
.msg.err { background: #fff0f0; color: #a3262a; }
.msg.info { background: #eef6ff; color: #174a8b; }
table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
th, td { text-align: left; padding: 11px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; }
td.amt, th.amt { text-align: right; font-variant-numeric: tabular-nums; }
.pill { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 99px; }
.pill.due { background: #fff4e0; color: #9a5b00; }
.pill.paid { background: #e6f8ef; color: #187a45; }
.total { display: flex; justify-content: space-between; align-items: center; font-size: 20px; font-weight: 700; padding: 16px 0; }
.hidden { display: none; }

footer { background: #0d1b2a; color: #9fb1c6; padding: 48px 0 28px; font-size: 14px; }
footer .cols { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
footer img { height: 32px; color: #fff; }
footer a { color: #cfe0f5; }
footer .copy { border-top: 1px solid #1f3248; margin-top: 32px; padding-top: 18px; }

@media (max-width: 760px) {
  .nav ul { display: none; }
  .lookup { flex-direction: column; }
  .paybox { padding: 28px; }
}