:root {
  --blue-primary: #3b82f6;
  --blue-dark:    #2563eb;
  --blue-light:   #1e293b;
  --blue-mid:     #1e3a5f;
  --slate-text:   #f1f5f9;
  --slate-mid:    #cbd5e1;
  --slate-light:  #94a3b8;
  --surface:      #0f172a;
  --white:        #111827;
  --border:       #1e293b;
  --shadow-soft:  0 1px 3px rgba(0,0,0,0.2), 0 4px 16px rgba(0,0,0,0.15);
  --shadow-card:  0 2px 8px rgba(0,0,0,0.2), 0 8px 32px rgba(0,0,0,0.15);
  --shadow-hover: 0 4px 16px rgba(59,130,246,0.2), 0 16px 48px rgba(59,130,246,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--slate-text);
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ─────────────────────────── */
.font-heading { font-family: 'Inter', sans-serif; font-weight: 800; }

/* ── GRADIENT ACCENT ────────────────────── */
.text-brand { color: var(--blue-primary); }
.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BUTTONS ────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(26,86,219,0.25);
}
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(26,86,219,0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--blue-primary);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1.5px solid var(--blue-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-secondary:hover {
  background: rgba(59,130,246,0.1);
  transform: translateY(-1px);
}

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,0.5);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.12); }

/* ── CARDS ──────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #2563eb;
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}

/* ── BADGE ──────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
}
.badge-blue { background: rgba(59,130,246,0.15); color: var(--blue-primary); border: 1px solid rgba(59,130,246,0.3); }

/* ── DIVIDER ────────────────────────────── */
.divider { height: 1px; background: var(--border); }

/* ── NAVBAR ─────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(17,24,39,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#navbar.scrolled {
  border-color: var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.3);
}
.nav-logo {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--slate-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--blue-primary); }

/* ── FLOATING WA ────────────────────────── */
#wa-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  z-index: 9999;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: wa-pulse 3s ease-in-out infinite;
}
#wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,0.6);
}
@keyframes wa-pulse {
  0%,100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
  50%      { box-shadow: 0 4px 24px rgba(37,211,102,0.6), 0 0 0 8px rgba(37,211,102,0.1); }
}

/* ── ANIMATIONS ─────────────────────────── */
@keyframes fade-up { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }
@keyframes float   { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-8px); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }

.anim-1 { animation: fade-up 0.6s ease both; }
.anim-2 { animation: fade-up 0.6s 0.12s ease both; }
.anim-3 { animation: fade-up 0.6s 0.24s ease both; }
.anim-4 { animation: fade-up 0.6s 0.36s ease both; }
.anim-float { animation: float 5s ease-in-out infinite; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── CHECK LIST ─────────────────────────── */
.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--slate-text);
}
.check-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(59,130,246,0.15);
  border: 1.5px solid rgba(59,130,246,0.4);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--blue-primary);
  font-size: 0.6rem;
}

/* ── HERO MOCKUP ─────────────────────────── */
.mockup-browser {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}
.mockup-bar {
  background: #0f172a;
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.m-dot { width: 9px; height: 9px; border-radius: 50%; }
.mockup-url {
  flex: 1;
  margin-left: 8px;
  height: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.6rem;
  color: var(--slate-light);
  display: flex; align-items: center; padding: 0 8px;
}

/* ── PROCESS STEPS ──────────────────────── */
.step-line {
  position: absolute;
  left: 19px; top: 44px; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(59,130,246,0.3) 0%, rgba(30,41,59,0.5) 100%);
}

/* ── SECTION LABEL ──────────────────────── */
.section-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-primary);
}
.section-title {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--slate-text);
  line-height: 1.15;
}

/* ── STAT BOX ───────────────────────────── */
.stat-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

@media (max-width: 767px) {
  .section-title { font-size: clamp(1.6rem, 6vw, 2rem) !important; }
}