/* ============================================================
   CiForce AI — Global Stylesheet
   CIFORCE AI SERVICE PTE. LTD.
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ---------- Design Tokens ---------- */
:root {
  /* Palette */
  --ink-900:  #060E1C;
  --ink-800:  #0B1626;
  --ink-700:  #0F1E35;
  --ink-600:  #162440;
  --ink-500:  #1E3154;

  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;

  --blue-600:  #1D4ED8;
  --blue-500:  #2563EB;
  --blue-400:  #3B82F6;
  --cyan-500:  #06B6D4;
  --cyan-400:  #22D3EE;

  --border:    rgba(255,255,255,0.07);
  --border-m:  rgba(255,255,255,0.12);
  --surface:   rgba(255,255,255,0.035);
  --surface-h: rgba(255,255,255,0.055);

  /* Typography */
  --ff: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;

  /* Motion */
  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur: 220ms;

  /* Layout */
  --max-w: 1160px;
  --r-sm: 5px;
  --r-md: 10px;
  --r-lg: 18px;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff);
  background: var(--ink-900);
  color: #fff;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ---------- Typography Scale ---------- */
h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: #fff;
}
h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #fff;
}
h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.35; letter-spacing: -0.01em; }
h4 { font-size: 0.95rem; font-weight: 600; letter-spacing: -0.005em; }
p  { color: var(--slate-400); line-height: 1.7; }
p.lead { font-size: 1.1rem; color: var(--slate-300); line-height: 1.65; }

.gradient-text {
  background: linear-gradient(120deg, var(--cyan-500) 0%, var(--blue-400) 55%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Layout ---------- */
.container  { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header p { margin-top: 0.8rem; max-width: 560px; margin-left: auto; margin-right: auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-500);
  margin-bottom: 0.65rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--cyan-500);
  opacity: 0.7;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: none;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
  font-family: var(--ff);
}
.btn-primary {
  background: var(--blue-500);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 0 0 1px rgba(37,99,235,0.3);
}
.btn-primary:hover {
  background: var(--blue-600);
  box-shadow: 0 4px 16px rgba(29,78,216,0.45);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--slate-300);
  border: 1px solid var(--border-m);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.25);
  color: #fff;
  background: var(--surface);
}
.btn-ghost {
  background: transparent;
  color: var(--cyan-500);
  padding: 0.4rem 0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0;
  border: none;
}
.btn-ghost i { transition: transform var(--dur) var(--ease); }
.btn-ghost:hover i { transform: translateX(3px); }
.btn-lg { padding: 0.85rem 2rem; font-size: 0.9rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.75rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
  position: relative;
}
.card:hover {
  border-color: var(--border-m);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.22);
}
.card h3 { margin-bottom: 0.5rem; }
.card p  { font-size: 0.88rem; line-height: 1.65; }

.card-icon {
  width: 44px; height: 44px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem;
  font-size: 1.1rem;
}
.card-icon.blue   { background: rgba(59,130,246,0.12);  color: var(--blue-400); }
.card-icon.cyan   { background: rgba(6,182,212,0.12);   color: var(--cyan-500); }
.card-icon.green  { background: rgba(16,185,129,0.12);  color: #34D399; }
.card-icon.purple { background: rgba(139,92,246,0.12);  color: #A78BFA; }
.card-icon.amber  { background: rgba(245,158,11,0.12);  color: #FCD34D; }
.card-icon.red    { background: rgba(239,68,68,0.1);    color: #FCA5A5; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-blue   { background: rgba(59,130,246,0.1);  color: #93C5FD; border: 1px solid rgba(59,130,246,0.2); }
.badge-cyan   { background: rgba(6,182,212,0.1);   color: #67E8F9; border: 1px solid rgba(6,182,212,0.2); }
.badge-green  { background: rgba(16,185,129,0.1);  color: #6EE7B7; border: 1px solid rgba(16,185,129,0.2); }

/* ---------- Highlight box ---------- */
.highlight-box {
  background: rgba(29,78,216,0.06);
  border: 1px solid rgba(37,99,235,0.15);
  border-radius: var(--r-md);
  padding: 1.75rem;
}

/* ---------- Navigation ---------- */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
#site-nav.scrolled {
  background: rgba(6,14,28,0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-color: var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 1;
  transition: opacity var(--dur) var(--ease);
}
.nav-logo:hover { opacity: 0.85; }
.nav-logo img { height: 28px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  list-style: none;
}
.nav-links a {
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-sm);
  font-size: 0.865rem;
  color: var(--slate-500);
  transition: color var(--dur) var(--ease);
  font-weight: 450;
}
.nav-links a:hover { color: var(--slate-200); }
.nav-links a.active { color: #fff; }

.nav-cta { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  width: 20px; height: 1.5px;
  background: var(--slate-400);
  border-radius: 2px;
  transition: var(--dur) var(--ease);
  display: block;
}

/* ---------- Hero / Page header ---------- */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  max-width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(37,99,235,0.14) 0%, transparent 70%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  top: 30%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(6,182,212,0.07) 0%, transparent 65%);
}

/* Grid dot texture */
.bg-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 52px 52px;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding: 9rem 0 5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero .container { position: relative; z-index: 1; }

/* ---------- Divider ---------- */
hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ---------- Stat numbers ---------- */
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, var(--cyan-500), var(--blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-lbl {
  font-size: 0.78rem;
  color: var(--slate-600);
  margin-top: 0.2rem;
  letter-spacing: 0.01em;
}

/* ---------- Process steps ---------- */
.process-step { display: flex; gap: 1.1rem; }
.step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-500));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
}
.step-content h4 { margin-bottom: 0.3rem; font-size: 0.9rem; }
.step-content p  { font-size: 0.845rem; }

/* ---------- FAQ Accordion ---------- */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  margin-bottom: 0.6rem;
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: none;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background var(--dur) var(--ease);
  font-family: var(--ff);
}
.faq-q:hover { background: var(--surface-h); }
.faq-q .icon {
  font-size: 1rem;
  color: var(--cyan-500);
  transition: transform var(--dur) var(--ease);
  flex-shrink: 0;
  margin-left: 1rem;
  opacity: 0.7;
}
.faq-q.open .icon { transform: rotate(45deg); opacity: 1; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.faq-a-inner { padding: 0 1.25rem 1.1rem; font-size: 0.875rem; color: var(--slate-400); line-height: 1.75; }
.faq-a.open  { max-height: 400px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--slate-300);
  margin-bottom: 0.4rem;
  letter-spacing: 0.005em;
}
.form-control {
  width: 100%;
  padding: 0.7rem 0.95rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-sm);
  color: #fff;
  font-family: var(--ff);
  font-size: 0.9rem;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
  outline: none;
  resize: vertical;
}
.form-control::placeholder { color: var(--slate-700); }
.form-control:focus {
  border-color: rgba(37,99,235,0.5);
  background: rgba(37,99,235,0.05);
}
select.form-control { cursor: pointer; }
select.form-control option { background: var(--ink-800); color: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-note { font-size: 0.78rem; color: var(--slate-600); }

/* ---------- Trust strip ---------- */
.logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
}
.logo-strip span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-600);
}

/* ---------- Quality bars ---------- */
.q-bar-wrap {
  padding: 1.1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.q-bar-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.55rem; }
.q-bar-top strong { font-size: 0.86rem; }
.q-bar-top span   { font-size: 0.82rem; font-weight: 600; }
.q-bar-track { background: rgba(255,255,255,0.06); border-radius: 3px; height: 4px; }
.q-bar-fill  { height: 100%; border-radius: 3px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  background: #065F46;
  border: 1px solid rgba(52,211,153,0.25);
  color: #D1FAE5;
  padding: 0.9rem 1.4rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.4s var(--ease);
  max-width: 380px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
[data-reveal].visible { opacity: 1; transform: none; }

/* ---------- Footer ---------- */
#site-footer {
  background: #040A14;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand p {
  font-size: 0.845rem;
  color: var(--slate-700);
  margin-top: 0.85rem;
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h5 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-600);
  margin-bottom: 1rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a {
  font-size: 0.845rem;
  color: var(--slate-700);
  transition: color var(--dur) var(--ease);
}
.footer-links a:hover { color: var(--slate-300); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.04);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.78rem; color: var(--slate-700); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a {
  font-size: 0.78rem;
  color: var(--slate-700);
  transition: color var(--dur) var(--ease);
}
.footer-bottom-links a:hover { color: var(--slate-500); }

/* ---------- Legal body ---------- */
.legal-body h2 { font-size: 1.2rem; margin: 2.5rem 0 0.75rem; color: var(--slate-200); }
.legal-body h3 { font-size: 0.95rem; margin: 1.5rem 0 0.5rem; color: var(--slate-300); }
.legal-body p  { color: var(--slate-400); margin-bottom: 1rem; font-size: 0.9rem; line-height: 1.8; }
.legal-body ul,
.legal-body ol { color: var(--slate-400); margin: 0.75rem 0 1rem 1.5rem; font-size: 0.9rem; line-height: 1.8; }
.legal-body li { margin-bottom: 0.35rem; }
.legal-body a  { color: var(--cyan-500); }
.legal-body a:hover { text-decoration: underline; }
.legal-meta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 2.5rem;
  font-size: 0.82rem;
  color: var(--slate-600);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section  { padding: 4rem 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4  { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: rgba(4,10,20,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem;
    z-index: 100;
  }
  .nav-links.open a {
    padding: 0.7rem 0.85rem;
    border-radius: var(--r-sm);
    font-size: 0.9rem;
  }
  .nav-cta.open {
    display: flex;
    padding: 0 0.75rem 0.75rem;
    position: absolute;
    left: 0; right: 0;
    background: rgba(4,10,20,0.97);
    border-bottom: 1px solid var(--border);
    z-index: 100;
  }
}