/**
 * Public landing page styles. Self-contained: no Tailwind, no icon font.
 * Palette: ink green, lime-wash white, brick (small accents only), stone hairlines.
 * One bold moment (the trilingual message panel in the hero); everything else stays quiet.
 */

:root {
  --ink: #0f2b26;
  --ink-2: #1b3d36;
  --wash: #f5f6f1;
  --paper: #ffffff;
  --green: #0b6b4e;
  --green-d: #095840;
  --brick: #a23b2c;
  --stone: #d9ded4;
  --text: #17302a;
  --muted: #53635d;
  --serif: "Source Serif 4", "Noto Serif Sinhala", Georgia, serif;
  --sans: "Public Sans", "Noto Sans Sinhala", "Noto Sans Tamil", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body.lp { margin: 0; font: 400 1.0625rem/1.6 var(--sans); color: var(--text); background: var(--paper); -webkit-font-smoothing: antialiased; }
.lp a { color: inherit; }
.lp :focus-visible { outline: 3px solid #1d9a73; outline-offset: 3px; border-radius: 4px; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: 6px; z-index: 100; }
.skip:focus { top: 1rem; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- Header ------------------------------------------------------------ */
.lp-nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--stone); }
.lp-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 4.25rem; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; font: 600 1.15rem/1 var(--serif); letter-spacing: -.01em; }
.nav-links { display: flex; gap: 1.75rem; font-size: .95rem; }
.nav-links a { text-decoration: none; color: var(--muted); padding: .4rem 0; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: .5rem; }

.lp-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: 0 1.25rem; border-radius: 8px; font: 600 .95rem/1 var(--sans); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.lp-btn.primary { background: var(--green); color: #fff; }
.lp-btn.primary:hover { background: var(--green-d); }
.lp-btn.ghost { color: var(--text); border-color: var(--stone); background: var(--paper); }
.lp-btn.ghost:hover { border-color: var(--text); }
.lp-btn.light { background: #fff; color: var(--ink); }
.lp-btn.light:hover { background: var(--wash); }
.lp-btn.outline-light { color: #fff; border-color: rgba(255,255,255,.4); }
.lp-btn.outline-light:hover { border-color: #fff; }
.lp-btn.big { min-height: 3.25rem; padding: 0 1.6rem; font-size: 1rem; }

/* ---- Hero -------------------------------------------------------------- */
.hero { background: var(--wash); border-bottom: 1px solid var(--stone); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 4rem; align-items: center; padding-top: 5.5rem; padding-bottom: 5.5rem; }
.hero h1 { font: 600 clamp(2.4rem, 4.6vw, 3.8rem)/1.06 var(--serif); letter-spacing: -.022em; margin: 0 0 1.4rem; max-width: 19ch; }
.hero .lead { font-size: 1.2rem; color: var(--muted); max-width: 34rem; margin: 0 0 2rem; }
.hero .cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.1rem; }
.hero .fine { font-size: .92rem; color: var(--muted); margin: 0; }

.sms-panel { background: var(--ink); color: #eaf1ee; border-radius: 14px; padding: 1.5rem; box-shadow: 0 30px 60px -30px rgba(15,43,38,.55); }
.hero .wrap > * { min-width: 0; }
.sms-panel header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 1rem; padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.14); }
.sms-panel h2 { font: 600 1.05rem/1.3 var(--sans); margin: 0; }
.sms-panel header span { font-size: .85rem; color: #a9c2b9; }
.sms-item { padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.sms-item:last-of-type { border-bottom: 0; padding-bottom: .25rem; }
.sms-lang { font-size: .85rem; color: #8fd1b8; margin: 0 0 .35rem; font-weight: 600; }
.sms-msg { margin: 0; font-size: 1rem; line-height: 1.65; }
.sms-msg[lang="ta"] { font-family: "Noto Sans Tamil", var(--sans); }
.sms-msg[lang="si"] { font-family: "Noto Sans Sinhala", var(--sans); }
.sms-foot { margin: 1rem 0 0; font-size: .85rem; color: #a9c2b9; }

@media (prefers-reduced-motion: no-preference) {
  .sms-item { animation: slotIn .7s cubic-bezier(.2,.7,.2,1) both; }
  .sms-item:nth-of-type(2) { animation-delay: .18s; }
  .sms-item:nth-of-type(3) { animation-delay: .36s; }
  @keyframes slotIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
}

/* ---- Facts strip ------------------------------------------------------- */
.facts { border-bottom: 1px solid var(--stone); }
.facts ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); }
.facts li { padding: 1.4rem 1.25rem; font-size: .95rem; font-weight: 500; border-left: 1px solid var(--stone); }
.facts li:first-child { border-left: 0; padding-left: 0; }

/* ---- Sections ---------------------------------------------------------- */
.section { padding: 6rem 0; }
.section.tint { background: var(--wash); border-top: 1px solid var(--stone); border-bottom: 1px solid var(--stone); }
.section h2.title { font: 600 clamp(1.8rem, 3.2vw, 2.6rem)/1.15 var(--serif); letter-spacing: -.018em; margin: 0 0 1rem; max-width: 22ch; }
.section .intro { color: var(--muted); max-width: 38rem; margin: 0 0 3.5rem; }

.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4rem; align-items: center; padding: 3rem 0; border-top: 1px solid var(--stone); }
.feature:first-of-type { border-top: 0; }
.feature h3 { font: 600 1.5rem/1.25 var(--serif); letter-spacing: -.01em; margin: 0 0 .75rem; }
.feature p { margin: 0; color: var(--muted); max-width: 32rem; }
.feature.flip .text { order: 2; }

.sample { background: var(--paper); border: 1px solid var(--stone); border-radius: 12px; overflow: hidden; font-size: .93rem; }
.sample .cap { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 1rem; background: var(--wash); border-bottom: 1px solid var(--stone); font-size: .82rem; color: var(--muted); }
.sample table { width: 100%; border-collapse: collapse; }
.sample th { text-align: left; font-weight: 500; font-size: .82rem; color: var(--muted); padding: .6rem 1rem; border-bottom: 1px solid var(--stone); }
.sample td { padding: .7rem 1rem; border-bottom: 1px solid #eceee8; }
.sample tr:last-child td { border-bottom: 0; }
.tag { display: inline-block; padding: .1rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.tag.paid { background: #e1f1ea; color: #0b5a41; }
.tag.unpaid { background: #f6e3df; color: var(--brick); }
.tag.sent { background: #e1f1ea; color: #0b5a41; }

.flow { padding: 1.25rem; display: grid; gap: .75rem; }
.flow .row { display: grid; grid-template-columns: 1fr auto 1fr; gap: .75rem; align-items: center; }
.chip { border: 1px solid var(--stone); border-radius: 8px; padding: .65rem .85rem; background: var(--paper); }
.chip small { display: block; color: var(--muted); font-size: .8rem; }
.chip.result { background: #e9f4ee; border-color: #b9dccb; }
.join { color: var(--muted); font-size: .85rem; text-align: center; }
.flow .note { font-size: .88rem; color: var(--muted); margin: 0; }

.addr { padding: 1.25rem; }
.addr .bar { display: flex; align-items: center; gap: .5rem; border: 1px solid var(--stone); border-radius: 8px; padding: .65rem .85rem; background: var(--wash); font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: .9rem; margin-bottom: .6rem; overflow-x: auto; white-space: nowrap; }
.addr .bar b { color: var(--green); }

/* ---- Steps ------------------------------------------------------------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; counter-reset: s; }
.steps li { counter-increment: s; border-top: 3px solid var(--ink); padding-top: 1.25rem; }
.steps li::before { content: counter(s); display: block; font: 600 1.1rem/1 var(--serif); color: var(--green); margin-bottom: .75rem; }
.steps h3 { font: 600 1.25rem/1.3 var(--serif); margin: 0 0 .5rem; }
.steps p { margin: 0; color: var(--muted); }

/* ---- Plans ------------------------------------------------------------- */
.plans-wrap { overflow-x: auto; border: 1px solid var(--stone); border-radius: 12px; background: var(--paper); }
.plans { width: 100%; min-width: 640px; border-collapse: collapse; }
.plans th, .plans td { padding: 1.1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--stone); }
.plans thead th { font: 600 1.15rem/1.2 var(--serif); background: var(--wash); }
.plans tbody th { font-weight: 500; color: var(--muted); font-size: .95rem; }
.plans tr:last-child th, .plans tr:last-child td { border-bottom: 0; }
.plans .price { font: 600 1.5rem/1.1 var(--serif); }
.plans .price small { display: block; font: 400 .85rem/1.4 var(--sans); color: var(--muted); margin-top: .2rem; }
.plans-note { margin: 1.25rem 0 0; color: var(--muted); font-size: .95rem; max-width: 46rem; }

/* ---- FAQ --------------------------------------------------------------- */
.faq { max-width: 50rem; }
.faq details { border-top: 1px solid var(--stone); }
.faq details:last-child { border-bottom: 1px solid var(--stone); }
.faq summary { list-style: none; cursor: pointer; padding: 1.25rem 2.5rem 1.25rem 0; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: .35rem; top: 1.55rem; width: .6rem; height: .6rem; border-right: 2px solid var(--text); border-bottom: 2px solid var(--text); transform: rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(-135deg); top: 1.8rem; }
.faq details p { margin: 0 0 1.4rem; color: var(--muted); max-width: 42rem; }

/* ---- Closing CTA + footer --------------------------------------------- */
.closing { background: var(--ink); color: #fff; padding: 5.5rem 0; }
.closing .wrap { display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.closing h2 { font: 600 clamp(1.8rem, 3.2vw, 2.5rem)/1.15 var(--serif); letter-spacing: -.018em; margin: 0 0 .6rem; max-width: 20ch; }
.closing p { margin: 0; color: #b6cbc3; max-width: 30rem; }
.closing .cta { display: flex; gap: .75rem; flex-wrap: wrap; }

.lp-footer { background: var(--paper); border-top: 1px solid var(--stone); padding: 2.25rem 0; font-size: .92rem; color: var(--muted); }
.lp-footer .wrap { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.lp-footer nav { display: flex; gap: 1.5rem; }
.lp-footer a { text-decoration: none; }
.lp-footer a:hover { color: var(--text); text-decoration: underline; }

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 3rem; padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .hero h1 { max-width: 20ch; }
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 1.75rem; padding: 2.25rem 0; }
  .feature.flip .text { order: 0; }
  .steps { grid-template-columns: 1fr; gap: 2rem; }
  .facts ul { grid-template-columns: 1fr 1fr; }
  .facts li { border-left: 0; border-top: 1px solid var(--stone); padding-left: 0; }
  .facts li:nth-child(-n+2) { border-top: 0; }
  .nav-links { display: none; }
  .section { padding: 4rem 0; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 1.15rem; }
  .nav-actions .lp-btn.ghost { display: none; }
  .hero .cta .lp-btn, .closing .cta .lp-btn { width: 100%; }
  .flow .row { grid-template-columns: 1fr; }
  .join { transform: rotate(90deg); }
}