/* ============================================================
   Fillbook — commercial site design system
   Dark trading-console aesthetic, dialed up for marketing.
   Shared by Landing + Onboarding.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --accent-3: #93c5fd;
  --accent-soft: rgba(59,130,246,0.14);
  --accent-line: rgba(59,130,246,0.42);
  --accent-glow: rgba(59,130,246,0.55);

  --pos: #26a269;
  --pos-bright: #3fd07f;
  --pos-soft: rgba(38,162,105,0.14);
  --neg: #e5484d;
  --neg-bright: #ff6166;
  --neg-soft: rgba(229,72,77,0.13);
  --warn: #d8a229;

  --bg: #080b11;
  --bg-2: #0a0d13;
  --surface: #11151d;
  --surface-2: #161b25;
  --surface-3: #1d2430;
  --border: #232b39;
  --border-soft: #1a212c;
  --text: #e8ecf3;
  --text-dim: #97a2b3;
  --text-faint: #5e6a7d;

  --font-sans: 'IBM Plex Sans Thai','IBM Plex Sans',system-ui,sans-serif;
  --font-mono: 'IBM Plex Mono','SF Mono',ui-monospace,monospace;

  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 22px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent-line); color: #fff; }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; border: 3px solid var(--bg); }

/* lang visibility */
[data-lang="th"] .en { display: none; }
[data-lang="en"] .th { display: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  font-family: var(--font-sans); font-size: 15px; font-weight: 600;
  padding: 12px 22px; border-radius: 11px; border: 1px solid transparent;
  cursor: pointer; transition: transform .14s ease, background .14s, border-color .14s, box-shadow .14s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--accent-2), var(--accent)); color: #fff; box-shadow: 0 8px 24px -10px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-primary:hover { box-shadow: 0 12px 32px -8px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,.3); transform: translateY(-1px); }
.btn-ghost { background: var(--surface-2); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-line); background: var(--surface-3); }
.btn-lg { font-size: 16.5px; padding: 15px 28px; }

/* app store badge */
.store {
  display: inline-flex; align-items: center; gap: 11px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 13px;
  padding: 10px 18px 10px 16px; transition: border-color .14s, background .14s, transform .14s;
}
.store:hover { border-color: var(--accent-line); background: var(--surface-3); transform: translateY(-1px); }
.store svg { width: 26px; height: 26px; flex: none; }
.store .s-sub { font-size: 10.5px; color: var(--text-dim); line-height: 1; letter-spacing: .3px; }
.store .s-main { font-size: 17px; font-weight: 600; line-height: 1.15; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(8,11,17,0.72); border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.nav.scrolled { border-bottom-color: var(--border-soft); background: rgba(8,11,17,0.9); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 19px; letter-spacing: -0.2px; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  position: relative; overflow: hidden;
  box-shadow: 0 4px 14px -4px var(--accent-glow);
}
.brand .logo::after { content: none; }
.brand .logo svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: 6px; }
.nav-links a { font-size: 14.5px; color: var(--text-dim); transition: color .14s; font-weight: 500; white-space: nowrap; }
.nav-links a:hover { color: var(--text); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* lang toggle */
.lang-toggle { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: 3px; }
.lang-toggle button {
  font-family: var(--font-sans); font-size: 12.5px; font-weight: 600; letter-spacing: .4px;
  padding: 5px 11px; border-radius: 6px; border: none; background: transparent; color: var(--text-faint); cursor: pointer; transition: all .14s;
}
.lang-toggle button.on { background: var(--accent-soft); color: var(--accent-2); box-shadow: inset 0 0 0 1px var(--accent-line); }

/* ---------- type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-size: 12.5px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase;
  color: var(--accent-2); padding: 6px 13px; border-radius: 99px;
  background: var(--accent-soft); border: 1px solid var(--accent-line);
}
h1, h2, h3 { margin: 0; letter-spacing: -0.7px; line-height: 1.18; font-weight: 700; }
.h-hero { font-size: clamp(38px, 6vw, 64px); line-height: 1.2; }
.h-sec { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.2; }
.lead { color: var(--text-dim); font-size: clamp(16px, 1.6vw, 19px); line-height: 1.6; }
.grad-text { background: linear-gradient(110deg, var(--accent-3), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- sections ---------- */
section { position: relative; }
.sec-pad { padding: clamp(70px, 10vw, 130px) 0; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head .lead { margin-top: 18px; }

/* hero */
.hero { padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(40px, 7vw, 80px); position: relative; overflow: hidden; }
.hero-glow {
  position: absolute; top: -340px; left: 50%; transform: translateX(-50%);
  width: 1100px; height: 720px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(59,130,246,0.30), transparent 72%);
  filter: blur(8px);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask: radial-gradient(820px 500px at 50% 8%, #000 0%, transparent 75%);
  mask: radial-gradient(820px 500px at 50% 8%, #000 0%, transparent 75%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.hero-stores { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.hero-trust { display: flex; align-items: center; gap: 18px; margin-top: 30px; color: var(--text-faint); font-size: 13.5px; flex-wrap: wrap; }
.hero-trust .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-faint); }

/* ---------- device / phone ---------- */
.device {
  position: relative; width: 300px; border-radius: 44px; padding: 11px;
  background: linear-gradient(160deg, #2a3340, #11151d 60%);
  box-shadow: 0 50px 90px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.04), inset 0 0 0 1px rgba(255,255,255,.03);
}
.device::before {
  content: ""; position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  width: 116px; height: 26px; background: #05070a; border-radius: 0 0 16px 16px; z-index: 5;
}
.device-screen {
  position: relative; border-radius: 34px; overflow: hidden; background: var(--bg-2);
  aspect-ratio: 300 / 640; display: flex; flex-direction: column;
}
.device-glow {
  position: absolute; inset: -2px; border-radius: 46px; pointer-events: none; z-index: -1;
  background: linear-gradient(160deg, var(--accent-glow), transparent 55%); filter: blur(34px); opacity: .55;
}
.hero-phone-stack { position: relative; display: flex; justify-content: center; }
.hero-phone-stack .device { transform: rotate(-3deg); }

/* mini app screen building blocks */
.scr { padding: 0; height: 100%; display: flex; flex-direction: column; }
.scr-status {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 22px 6px; font-size: 12px; font-weight: 600; font-family: var(--font-mono); color: var(--text);
}
.scr-status .dots { display: flex; gap: 4px; align-items: center; }
.scr-head { padding: 8px 18px 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.scr-title { font-size: 17px; font-weight: 700; letter-spacing: -.3px; white-space: nowrap; }
.scr-sub { font-size: 11px; color: var(--text-faint); white-space: nowrap; }
.scr-body { flex: 1; overflow: hidden; padding: 0 14px; }
.scr-tabbar {
  display: flex; justify-content: space-around; align-items: center; padding: 9px 8px 16px;
  border-top: 1px solid var(--border-soft); background: var(--surface);
}
.scr-tab { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 9px; color: var(--text-faint); }
.scr-tab.on { color: var(--accent-2); }
.scr-tab .ic { width: 21px; height: 21px; }

.mini-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 10px; }
.mini-kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 11px; }
.mini-kpi .l { font-size: 9px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .4px; }
.mini-kpi .v { font-size: 18px; font-weight: 700; margin-top: 3px; font-family: var(--font-mono); }
.mini-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 11px 12px; margin-bottom: 9px; }
.pos { color: var(--pos-bright); }
.neg { color: var(--neg-bright); }
.accent { color: var(--accent-2); }

.asset-tag { display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: 8px; font-weight: 700; letter-spacing: .5px; padding: 1px 4px; border-radius: 4px; }
.asset-tag.stk { color: var(--accent-2); background: var(--accent-soft); border: 1px solid var(--accent-line); }
.asset-tag.opt { color: var(--text-dim); background: var(--surface-3); border: 1px solid var(--border); }

.trow { display: flex; align-items: center; gap: 8px; padding: 8px 2px; border-bottom: 1px solid var(--border-soft); font-size: 11px; }
.trow:last-child { border-bottom: none; }
.trow .tkr { font-family: var(--font-mono); font-weight: 600; font-size: 11.5px; }
.trow .sp { margin-left: auto; font-family: var(--font-mono); font-weight: 600; }

/* equity curve svg */
.spark-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 11px; margin-bottom: 10px; }

/* ---------- feature blocks ---------- */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.feat + .feat { margin-top: clamp(80px, 11vw, 150px); }
.feat.rev .feat-media { order: -1; }
.feat-icon {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 22px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent-2);
}
.feat-icon svg { width: 26px; height: 26px; }
.feat h3 { font-size: clamp(25px, 3vw, 34px); margin-bottom: 16px; }
.feat .lead { font-size: 17px; }
.feat-list { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-direction: column; gap: 13px; }
.feat-list li { display: flex; gap: 11px; align-items: flex-start; color: var(--text-dim); font-size: 15px; }
.feat-list .ck { color: var(--pos-bright); flex: none; margin-top: 3px; }
.feat-media { display: flex; justify-content: center; position: relative; }
.feat-media .device { width: 280px; }

/* ---------- bilingual band ---------- */
.band { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

/* markets strip */
.markets { border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); background: var(--bg-2); }
.markets-inner { display: flex; align-items: center; justify-content: center; gap: clamp(28px, 6vw, 80px); padding: 28px 0; flex-wrap: wrap; }
.market { display: flex; align-items: center; gap: 12px; color: var(--text-dim); }
.market .mflag { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; font-size: 18px; background: var(--surface-2); border: 1px solid var(--border); }
.market .mname { font-size: 15px; font-weight: 600; color: var(--text); }
.market .mmeta { font-size: 11.5px; color: var(--text-faint); }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 860px; margin: 0 auto; }
.price-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 30px; position: relative; display: flex; flex-direction: column; }
.price-card.pro { border-color: var(--accent-line); background: linear-gradient(180deg, var(--accent-soft), transparent 40%), var(--surface); box-shadow: 0 30px 70px -40px var(--accent-glow); }
.price-badge { position: absolute; top: -13px; left: 30px; background: linear-gradient(180deg, var(--accent-2), var(--accent)); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .4px; padding: 5px 13px; border-radius: 99px; box-shadow: 0 6px 16px -6px var(--accent-glow); }
.price-name { font-size: 15px; font-weight: 700; letter-spacing: .3px; text-transform: uppercase; color: var(--text-dim); }
.price-card.pro .price-name { color: var(--accent-2); }
.price-amt { display: flex; align-items: baseline; gap: 6px; margin: 16px 0 4px; }
.price-amt .cur { font-size: 22px; font-weight: 600; color: var(--text-dim); }
.price-amt .num-big { font-size: 52px; font-weight: 700; font-family: var(--font-mono); letter-spacing: -1px; }
.price-amt .per { font-size: 15px; color: var(--text-faint); }
.price-desc { color: var(--text-dim); font-size: 14.5px; margin-bottom: 22px; min-height: 44px; }
.price-feats { list-style: none; padding: 0; margin: 0 0 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.price-feats li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--text); }
.price-feats .ck { color: var(--pos-bright); flex: none; margin-top: 2px; }
.price-feats li.muted { color: var(--text-faint); }
.price-feats .xk { color: var(--text-faint); flex: none; margin-top: 2px; }
.bill-toggle { display: inline-flex; align-items: center; gap: 12px; justify-content: center; margin: 0 auto 44px; }
.bill-switch { width: 50px; height: 28px; border-radius: 99px; background: var(--surface-3); border: 1px solid var(--border); position: relative; cursor: pointer; transition: background .16s; }
.bill-switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--text-dim); transition: transform .18s, background .16s; }
.bill-toggle.year .bill-switch { background: var(--accent-soft); border-color: var(--accent-line); }
.bill-toggle.year .bill-switch::after { transform: translateX(22px); background: var(--accent-2); }
.bill-save { font-size: 12px; font-weight: 600; color: var(--pos-bright); background: var(--pos-soft); padding: 3px 9px; border-radius: 99px; }

/* ---------- final CTA ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-card {
  position: relative; text-align: center; border-radius: var(--radius-lg);
  padding: clamp(48px, 7vw, 84px) 28px;
  background: radial-gradient(700px 320px at 50% 0%, var(--accent-soft), transparent 70%), var(--surface);
  border: 1px solid var(--border);
}
.cta-card .hero-glow { top: -380px; opacity: .8; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border-soft); background: var(--bg-2); padding: 56px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-faint); margin: 0 0 16px; font-weight: 600; }
.footer-links { display: flex; flex-direction: column; gap: 11px; }
.footer-links a { color: var(--text-dim); font-size: 14px; transition: color .14s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border-soft); color: var(--text-faint); font-size: 13px; flex-wrap: wrap; gap: 12px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-phone-stack { margin-top: 12px; }
  .hero-cta, .hero-stores, .hero-trust { justify-content: center; }
  .feat { grid-template-columns: 1fr; gap: 36px; }
  .feat.rev .feat-media { order: 0; }
  .feat-text { text-align: center; }
  .feat-icon { margin-left: auto; margin-right: auto; }
  .feat-list { align-items: center; }
  .feat-list li { text-align: left; }
  .price-grid { grid-template-columns: 1fr; max-width: 440px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .nav-links { display: none; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}