/* ══════════════════════════════════════════════════════
   Touch4Bill — Design System
   Theme: Clean White & Orange · Minimal & Spacious
   Fonts: Plus Jakarta Sans
══════════════════════════════════════════════════════ */

:root {
  --bg-page:      #ffffff;
  --bg-soft:      #f9f8f6;
  --bg-muted:     #f2f1ee;
  --bg-card:      #ffffff;
  --bg-dark:      #0f0f17;
  --bg-dark-2:    #181824;

  --orange:       #e8420a;
  --orange-2:     #ff5520;
  --orange-light: #fff4f0;
  --orange-border:#ffd0bc;
  --orange-glow:  rgba(232,66,10,.1);

  --text-primary:   #111118;
  --text-secondary: #52526a;
  --text-muted:     #9494aa;
  --text-light:     #b8b8cc;

  --border:       #e6e6ee;
  --border-med:   #d2d2de;

  --teal:         #00a896;
  --teal-light:   #e8f7f5;
  --gold:         #f0a500;

  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   18px;
  --r-xl:   28px;
  --r-full: 100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; background: #fff; }

body {
  font-family: 'Plus Jakarta Sans','Outfit','Segoe UI',system-ui,sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 {
  font-family: 'Plus Jakarta Sans','Outfit','Segoe UI',system-ui,sans-serif;
  font-weight: 800; line-height: 1.1;
  color: var(--text-primary); letter-spacing: -.025em;
}

.display-xl { font-size: clamp(3rem,7vw,6rem); }
.display-lg { font-size: clamp(2.4rem,4.5vw,4.2rem); }
.display-md { font-size: clamp(1.8rem,3vw,3rem); }
.display-sm { font-size: clamp(1.4rem,2vw,2rem); }

.body-lg { font-size:1.1rem; font-weight:400; line-height:1.8; color:var(--text-secondary); }
.body-md { font-size:.95rem; font-weight:400; line-height:1.7; color:var(--text-secondary); }
.body-sm { font-size:.82rem; font-weight:400; color:var(--text-muted); }

.text-orange { color:var(--orange); }
.text-teal   { color:var(--teal); }
.text-muted  { color:var(--text-muted); }

.container { max-width:1180px; margin:0 auto; padding:0 5vw; }
.section    { padding:112px 0; }
.section-sm { padding:72px 0; }

/* ── BUTTONS ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:inherit; font-weight:600; font-size:.9rem;
  border:none; cursor:pointer; text-decoration:none;
  border-radius:var(--r-full);
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
  white-space:nowrap; letter-spacing:-.01em;
}
.btn:hover { transform:translateY(-2px); }

.btn-primary { background:var(--orange);color:#fff;padding:13px 28px;box-shadow:0 4px 20px rgba(232,66,10,.28); }
.btn-primary:hover { background:var(--orange-2);box-shadow:0 8px 28px rgba(232,66,10,.38); }

.btn-outline { background:transparent;color:var(--text-primary);border:1.5px solid var(--border-med);padding:12px 26px; }
.btn-outline:hover { border-color:var(--orange);color:var(--orange); }

.btn-ghost { background:var(--bg-soft);color:var(--text-primary);padding:12px 26px; }
.btn-ghost:hover { background:var(--bg-muted); }

.btn-dark { background:var(--bg-dark);color:#fff;padding:12px 26px; }
.btn-dark:hover { background:var(--bg-dark-2); }

.btn-lg { padding:16px 36px;font-size:1rem; }
.btn-sm { padding:9px 20px;font-size:.82rem; }

/* ── EYEBROW ── */
.section-eyebrow {
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--orange);margin-bottom:14px;
}
.section-eyebrow::before { content:'';display:block;width:20px;height:2px;background:var(--orange);border-radius:2px; }

/* ── NAV ── */
#nav {
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(255,255,255,0);
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
#nav.scrolled {
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(20px);
  box-shadow:0 1px 0 var(--border);
  border-color:var(--border);
}
.nav-inner {
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 5vw;max-width:1300px;margin:0 auto;
}
.nav-logo { display:flex;align-items:center;gap:10px;text-decoration:none; }
.nav-logo-img {
  width:36px;height:36px;background:var(--orange);border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.9rem;color:#fff;flex-shrink:0;
}
.nav-logo-text { font-weight:800;font-size:1.15rem;letter-spacing:-.03em;color:var(--text-primary); }
.nav-logo-text span { color:var(--orange); }
.nav-links { display:flex;align-items:center;gap:2px;list-style:none; }
.nav-links a {
  color:var(--text-secondary);font-size:.88rem;font-weight:500;
  text-decoration:none;padding:7px 14px;border-radius:var(--r-sm);
  transition:color .2s,background .2s;
}
.nav-links a:hover { color:var(--text-primary);background:var(--bg-soft); }
.nav-links a.active { color:var(--orange);font-weight:600; }
.nav-right { display:flex;align-items:center;gap:10px; }
.nav-hamburger { display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px; }
.nav-hamburger span { width:22px;height:1.5px;background:var(--text-primary);border-radius:2px;transition:.3s; }

/* ── MOBILE MENU ── */
.mobile-menu {
  display:none;position:fixed;top:68px;left:0;right:0;z-index:199;
  background:rgba(255,255,255,.98);backdrop-filter:blur(20px);
  padding:20px 5vw 28px;border-bottom:1px solid var(--border);
  flex-direction:column;gap:2px;box-shadow:0 8px 32px rgba(0,0,0,.08);
}
.mobile-menu.open { display:flex; }
.mobile-menu a { color:var(--text-secondary);text-decoration:none;padding:12px 16px;border-radius:var(--r-sm);font-size:.95rem;font-weight:500;transition:background .2s,color .2s; }
.mobile-menu a:hover { background:var(--bg-soft);color:var(--text-primary); }
.mobile-menu .btn { margin-top:12px;justify-content:center; }

/* ── CHIPS ── */
.chip { display:inline-flex;align-items:center;gap:6px;background:var(--bg-muted);border:1px solid var(--border);border-radius:var(--r-full);padding:5px 14px;font-size:.75rem;font-weight:600;color:var(--text-muted); }
.chip-orange { background:var(--orange-light);border-color:var(--orange-border);color:var(--orange); }
.chip-teal   { background:var(--teal-light);border-color:rgba(0,168,150,.2);color:var(--teal); }

/* ── CARDS ── */
.card { background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-lg);transition:border-color .25s,transform .25s,box-shadow .25s; }
.card:hover { border-color:var(--orange-border);transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.07); }

/* ── REVEAL ── */
.reveal { opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease; }
.reveal.visible { opacity:1;transform:none; }
.reveal-delay-1 { transition-delay:.1s; }
.reveal-delay-2 { transition-delay:.2s; }
.reveal-delay-3 { transition-delay:.3s; }

/* ── STATS BAR ── */
.stats-bar { display:flex;flex-wrap:wrap;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;background:var(--bg-card); }
.stat-bar-item { flex:1;min-width:150px;padding:36px 28px;text-align:center;border-right:1px solid var(--border);position:relative;transition:background .2s; }
.stat-bar-item:hover { background:var(--bg-soft); }
.stat-bar-item:last-child { border-right:none; }
.stat-bar-item::after { content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .4s ease; }
.stat-bar-item:hover::after { transform:scaleX(1); }
.stat-bar-num { font-size:2.8rem;font-weight:800;letter-spacing:-.04em;color:var(--text-primary);display:block;line-height:1;margin-bottom:8px; }
.stat-bar-label { font-size:.78rem;color:var(--text-muted);font-weight:500; }

/* ── FOOTER ── */
#footer { background:var(--bg-dark);padding:80px 5vw 36px; }
.footer-grid { display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:60px; }
.footer-logo-text { font-weight:800;font-size:1.3rem;letter-spacing:-.03em;color:#fff;margin-bottom:12px; }
.footer-logo-text span { color:var(--orange-2); }
.footer-desc { font-size:.85rem;color:rgba(255,255,255,.4);line-height:1.75;max-width:280px;margin-bottom:24px; }
.footer-col-title { font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.25);margin-bottom:18px; }
.footer-col ul { list-style:none;display:flex;flex-direction:column;gap:11px; }
.footer-col ul li a { font-size:.85rem;color:rgba(255,255,255,.45);text-decoration:none;transition:color .2s; }
.footer-col ul li a:hover { color:var(--orange-2); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.07);padding-top:28px;display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:rgba(255,255,255,.3);flex-wrap:wrap;gap:12px; }
.footer-badge { background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:6px 14px;border-radius:var(--r-full);font-size:.75rem;color:rgba(255,255,255,.35); }

/* ── GRID LINES ── */
.grid-lines { position:absolute;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:60px 60px;opacity:.6;mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 20%,transparent 100%); }

/* ── RESPONSIVE ── */
@media (max-width:960px) {
  .nav-links,.nav-right .btn { display:none; }
  .nav-hamburger { display:flex; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .stats-bar { flex-direction:column; }
  .stat-bar-item { border-right:none;border-bottom:1px solid var(--border); }
  .stat-bar-item:last-child { border-bottom:none; }
}
@media (max-width:560px) {
  .footer-grid { grid-template-columns:1fr; }
  .section { padding:72px 0; }
}