/* ============================================================
   Wifi Scaler — brand system
   Display: Sora · Body: Manrope · Data/mono: IBM Plex Mono
   ============================================================ */
:root {
  --nf-bg: #0a0e17;
  --nf-bg-alt: #0d1220;
  --nf-card: #121828;
  --nf-card-hover: #161d31;
  --nf-border: #232c44;
  --nf-accent: #22d3ee;   /* electric cyan */
  --nf-accent2: #a3e635;  /* electric lime */
  --nf-accent-grad: linear-gradient(120deg, var(--nf-accent), var(--nf-accent2));
  --nf-text: #eef1f8;
  --nf-muted: #8993ad;
  --nf-danger: #ff5d7a;
  --nf-warning: #f5c542;
  --nf-radius-sm: 10px;
  --nf-radius: 16px;
  --nf-radius-lg: 24px;
  --nf-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --font-display: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--nf-bg);
  color: var(--nf-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.5em;
}

a { color: inherit; }

/* Subtle film-grain overlay for atmosphere, fixed over the whole viewport */
.nf-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.nf-container { max-width: 1120px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 2; }

/* ---------------- Header / nav ---------------- */
.nf-header {
  border-bottom: 1px solid var(--nf-border);
  position: sticky; top: 0;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(10px);
  z-index: 20;
}
.nf-header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nf-logo { display: flex; align-items: center; text-decoration: none; }
.nf-logo img { display: block; }

.nf-nav-toggle {
  display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 8px;
}
.nf-nav-toggle span { width: 22px; height: 2px; background: var(--nf-text); border-radius: 2px; }

.nf-nav { display: flex; align-items: center; gap: 22px; }
.nf-nav a { color: var(--nf-text); text-decoration: none; font-size: 14.5px; font-weight: 500; transition: color 0.15s ease; }
.nf-nav a:hover { color: var(--nf-accent); }
.nf-nav-tier {
  font-family: var(--font-mono);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--nf-border); color: var(--nf-muted);
}
.nf-nav-tier-pro { color: #04140f; background: var(--nf-accent-grad); border-color: transparent; font-weight: 600; }

/* ---------------- Buttons ---------------- */
.nf-btn, .nf-btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 22px; border-radius: 999px; text-decoration: none;
  font-family: var(--font-body); font-weight: 700; font-size: 14.5px;
  cursor: pointer; border: none; transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}
.nf-btn {
  background: var(--nf-accent-grad); color: #04140f;
  box-shadow: 0 8px 24px -8px rgba(34, 211, 238, 0.5);
}
.nf-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(163, 230, 53, 0.55); }
.nf-btn-ghost { background: transparent; border: 1px solid var(--nf-border); color: var(--nf-text); }
.nf-btn-ghost:hover { border-color: var(--nf-accent); color: var(--nf-accent); }
.nf-btn-lg { padding: 15px 30px; font-size: 16px; }

/* ---------------- Hero ---------------- */
.nf-hero {
  position: relative;
  text-align: center;
  padding: 96px 0 64px;
  overflow: hidden;
}
.nf-hero-glow {
  position: absolute;
  top: -220px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(closest-side, rgba(34, 211, 238, 0.22), rgba(163, 230, 53, 0.08) 60%, transparent 75%);
  filter: blur(10px);
  z-index: -1;
}
.nf-eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em;
  color: var(--nf-accent2); border: 1px solid var(--nf-border); background: rgba(163, 230, 53, 0.06);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.nf-hero h1 {
  font-size: clamp(38px, 6vw, 60px);
  background: linear-gradient(180deg, #ffffff 30%, #b9c2d6 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nf-hero p { color: var(--nf-muted); font-size: 18px; max-width: 620px; margin: 0 auto 32px; }
.nf-hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }

.nf-hero-bars {
  display: flex; align-items: flex-end; justify-content: center; gap: 6px; height: 46px;
}
.nf-hero-bars span {
  width: 8px; border-radius: 4px 4px 0 0;
  background: var(--nf-accent-grad);
  animation: nf-bar-pulse 1.4s ease-in-out infinite;
  opacity: 0.85;
}
.nf-hero-bars span:nth-child(1) { height: 14px; animation-delay: 0s; }
.nf-hero-bars span:nth-child(2) { height: 26px; animation-delay: 0.15s; }
.nf-hero-bars span:nth-child(3) { height: 40px; animation-delay: 0.3s; }
.nf-hero-bars span:nth-child(4) { height: 24px; animation-delay: 0.45s; }
.nf-hero-bars span:nth-child(5) { height: 34px; animation-delay: 0.6s; }
@keyframes nf-bar-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.7; }
  50% { transform: scaleY(1.35); opacity: 1; }
}

/* ---------------- Trust strip ---------------- */
.nf-trust {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  padding: 20px 0 64px; color: var(--nf-muted); font-size: 14px;
  border-bottom: 1px solid var(--nf-border);
}
.nf-trust-item strong { font-family: var(--font-mono); color: var(--nf-text); font-size: 16px; margin-right: 6px; }

/* ---------------- Pricing ---------------- */
.nf-pricing { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin-top: 70px; padding-bottom: 40px; }
.nf-plan {
  position: relative;
  background: var(--nf-card); border-radius: var(--nf-radius-lg); padding: 32px;
  width: 300px; border: 1px solid var(--nf-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.nf-plan:hover { transform: translateY(-4px); box-shadow: var(--nf-shadow); }
.nf-plan-pro { border-color: var(--nf-accent); background: linear-gradient(180deg, rgba(34,211,238,0.06), var(--nf-card) 40%); }
.nf-plan-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--nf-accent-grad); color: #04140f; font-family: var(--font-mono);
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px;
}
.nf-price { font-family: var(--font-mono); font-size: 32px; font-weight: 600; margin: 10px 0 22px; }
.nf-price span { font-size: 14px; color: var(--nf-muted); font-family: var(--font-body); }
.nf-plan ul { list-style: none; padding: 0; margin: 0 0 24px; color: var(--nf-muted); font-size: 14px; }
.nf-plan li { padding: 9px 0; border-bottom: 1px solid var(--nf-border); padding-left: 22px; position: relative; }
.nf-plan li::before {
  content: '✓'; position: absolute; left: 0; color: var(--nf-accent2); font-weight: 700;
}
.nf-plan .nf-btn, .nf-plan .nf-btn-ghost { width: 100%; }

/* ---------------- Forms ---------------- */
.nf-form-card {
  max-width: 420px; margin: 40px auto; background: var(--nf-card); padding: 36px;
  border-radius: var(--nf-radius-lg); border: 1px solid var(--nf-border); box-shadow: var(--nf-shadow);
}
.nf-form-card h2 { font-size: 24px; }
.nf-form-card label { display: block; margin-bottom: 16px; font-size: 13.5px; color: var(--nf-muted); font-weight: 500; }
.nf-form-card input[type=text], .nf-form-card input[type=email], .nf-form-card input[type=password] {
  width: 100%; padding: 12px 14px; margin-top: 7px; border-radius: var(--nf-radius-sm);
  border: 1px solid var(--nf-border); background: var(--nf-bg-alt); color: var(--nf-text);
  font-family: var(--font-body); font-size: 14.5px; transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.nf-form-card input:focus {
  outline: none; border-color: var(--nf-accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.nf-checkbox { display: flex; align-items: center; gap: 8px; }
.nf-form-card p { color: var(--nf-muted); font-size: 14px; }
.nf-form-card a { color: var(--nf-accent); text-decoration: none; }
.nf-form-card a:hover { text-decoration: underline; }

/* ---------------- Alerts ---------------- */
.nf-alert { padding: 13px 18px; border-radius: var(--nf-radius-sm); margin-bottom: 20px; font-size: 14px; border: 1px solid transparent; }
.nf-alert-success { background: rgba(163, 230, 53, 0.08); border-color: rgba(163, 230, 53, 0.35); color: #c9f27a; }
.nf-alert-error { background: rgba(255, 93, 122, 0.1); border-color: rgba(255, 93, 122, 0.35); color: #ff9aae; }
.nf-alert-info { background: rgba(34, 211, 238, 0.08); border-color: rgba(34, 211, 238, 0.3); color: #9fe4f2; }

/* ---------------- Dashboard cards ---------------- */
.nf-dashboard h1 { font-size: 30px; margin-bottom: 24px; }
.nf-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin: 24px 0; }
.nf-card {
  background: var(--nf-card); border: 1px solid var(--nf-border); border-radius: var(--nf-radius);
  padding: 22px; transition: border-color 0.15s ease, transform 0.15s ease;
}
.nf-card:hover { border-color: var(--nf-accent); transform: translateY(-2px); }
.nf-card h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--nf-muted); font-family: var(--font-mono); font-weight: 500; }
.nf-big { font-family: var(--font-mono); font-size: 32px; font-weight: 600; margin: 8px 0; }
.nf-progress { background: var(--nf-bg-alt); border-radius: 999px; height: 10px; overflow: hidden; border: 1px solid var(--nf-border); }
.nf-progress-bar { background: var(--nf-accent-grad); height: 100%; border-radius: 999px; }

/* ---------------- Tables ---------------- */
.nf-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.nf-table th, .nf-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--nf-border); }
.nf-table th { color: var(--nf-muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.04em; }
.nf-table tr:hover td { background: var(--nf-card-hover); }

.nf-inline-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.nf-inline-form input, .nf-inline-form select {
  padding: 9px 12px; border-radius: var(--nf-radius-sm); border: 1px solid var(--nf-border);
  background: var(--nf-bg-alt); color: var(--nf-text); font-family: var(--font-body);
}

/* ---------------- Footer ---------------- */
.nf-footer { border-top: 1px solid var(--nf-border); color: var(--nf-muted); padding: 28px 0; font-size: 13px; margin-top: 40px; }
.nf-footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.nf-footer-brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; color: var(--nf-text); font-size: 14px; }

.nf-main { padding: 40px 20px 80px; min-height: 70vh; position: relative; z-index: 2; }

/* ---------------- Scrollbar polish ---------------- */
::selection { background: rgba(34, 211, 238, 0.35); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--nf-bg); }
::-webkit-scrollbar-thumb { background: var(--nf-border); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--nf-accent); }

/* ---------------- Responsive ---------------- */
@media (max-width: 720px) {
  .nf-nav-toggle { display: flex; }
  .nf-nav {
    position: absolute; top: 68px; left: 0; right: 0; background: var(--nf-bg);
    border-bottom: 1px solid var(--nf-border);
    flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 20px 16px;
    display: none;
  }
  .nf-nav.nf-nav-open { display: flex; }
  .nf-nav a, .nf-nav .nf-btn, .nf-nav .nf-btn-ghost, .nf-nav-tier { width: 100%; padding-top: 12px; padding-bottom: 12px; }
  .nf-trust { gap: 24px; }
}


/* ---------------- Referral / Team / Status additions ---------------- */
.nf-referral-row { display: flex; gap: 8px; margin: 14px 0 10px; }
.nf-referral-input {
  flex: 1; padding: 10px 12px; border-radius: var(--nf-radius-sm); border: 1px solid var(--nf-border);
  background: var(--nf-bg-alt); color: var(--nf-muted); font-family: var(--font-mono); font-size: 13px;
}
.nf-card-referral { background: linear-gradient(180deg, rgba(163,230,53,0.06), var(--nf-card) 45%); }

.nf-status-pill {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 13px;
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--nf-border);
}
.nf-status-dot { width: 9px; height: 9px; border-radius: 50%; }
.nf-status-operational .nf-status-dot { background: var(--nf-accent2); box-shadow: 0 0 8px var(--nf-accent2); }
.nf-status-degraded .nf-status-dot { background: var(--nf-warning); box-shadow: 0 0 8px var(--nf-warning); }
.nf-status-down .nf-status-dot { background: var(--nf-danger); box-shadow: 0 0 8px var(--nf-danger); }

.nf-toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--nf-border); }
.nf-toggle-row:last-child { border-bottom: none; }
.nf-toggle-row label { margin: 0; }
.nf-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.nf-switch input { opacity: 0; width: 0; height: 0; }
.nf-switch-track {
  position: absolute; inset: 0; background: var(--nf-border); border-radius: 999px; cursor: pointer; transition: background 0.15s ease;
}
.nf-switch-track::before {
  content: ''; position: absolute; height: 18px; width: 18px; left: 3px; top: 3px; background: white; border-radius: 50%; transition: transform 0.15s ease;
}
.nf-switch input:checked + .nf-switch-track { background: var(--nf-accent-grad); }
.nf-switch input:checked + .nf-switch-track::before { transform: translateX(20px); }

.nf-priority-select {
  padding: 6px 10px; border-radius: var(--nf-radius-sm); border: 1px solid var(--nf-border);
  background: var(--nf-bg-alt); color: var(--nf-text); font-family: var(--font-body); font-size: 13px;
}