/* ═══════════════════════════════════════════════════════════
   Xaccel IoT — Marketing Website Stylesheet
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --bg:        #0a0f1e;
  --bg2:       #0f172a;
  --bg3:       #1e293b;
  --bg4:       #334155;
  --border:    #1e293b;
  --border2:   #334155;
  --text:      #f1f5f9;
  --text2:     #94a3b8;
  --text3:     #64748b;
  --accent:    #3b82f6;
  --accent2:   #60a5fa;
  --accent3:   #93c5fd;
  --green:     #22c55e;
  --green2:    #86efac;
  --purple:    #8b5cf6;
  --purple2:   #a78bfa;
  --teal:      #14b8a6;
  --teal2:     #5eead4;
  --yellow:    #f59e0b;
  --red:       #ef4444;
  --grad1:     linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --grad2:     linear-gradient(135deg, #14b8a6 0%, #3b82f6 100%);
  --grad3:     linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --nav-h:     68px;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { color: var(--accent3); }
img { max-width: 100%; display: block; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 3px; }

/* ══════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--grad1);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.nav-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
}
.nav-logo-text span { color: var(--accent2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 40px;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 8px;
  transition: all 0.15s;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-links a.active { color: var(--accent2); }

.nav-spacer { flex: 1; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-actions .btn-ghost {
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 0.15s;
  text-decoration: none;
}
.nav-actions .btn-ghost:hover { color: var(--text); border-color: var(--border2); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  border: none;
  background: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.2s;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border2);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--text2);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.15s;
}
.nav-mobile a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-mobile .mobile-divider { height: 1px; background: var(--border2); margin: 8px 0; }

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(59,130,246,0.5);
  color: #fff;
}
.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  color: var(--text);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--accent2);
  border: 1px solid rgba(59,130,246,0.4);
}
.btn-outline:hover {
  background: rgba(59,130,246,0.1);
  color: var(--accent2);
  border-color: var(--accent);
}
.btn-lg { padding: 15px 32px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 8px; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ══════════════════════════════════════════
   LAYOUT UTILITIES
══════════════════════════════════════════ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-xs {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 128px 0; }

.pt-nav { padding-top: calc(var(--nav-h) + 48px); }

/* ══════════════════════════════════════════
   TYPOGRAPHY
══════════════════════════════════════════ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 20px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

h1.display {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text);
}
h2.section-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.8px;
  color: var(--text);
}
h3.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.lead {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text2);
  line-height: 1.7;
  max-width: 600px;
}
.text-center { text-align: center; }
.text-center .lead { margin: 0 auto; }
.text-gradient {
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-teal {
  background: var(--grad2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════════════════════════
   BADGES
══════════════════════════════════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.badge-blue   { background: rgba(59,130,246,0.15);  color: #93c5fd; border: 1px solid rgba(59,130,246,0.25); }
.badge-green  { background: rgba(34,197,94,0.15);   color: #86efac; border: 1px solid rgba(34,197,94,0.25); }
.badge-purple { background: rgba(139,92,246,0.15);  color: #c4b5fd; border: 1px solid rgba(139,92,246,0.25); }
.badge-teal   { background: rgba(20,184,166,0.15);  color: #5eead4; border: 1px solid rgba(20,184,166,0.25); }
.badge-yellow { background: rgba(245,158,11,0.15);  color: #fcd34d; border: 1px solid rgba(245,158,11,0.25); }
.badge-red    { background: rgba(239,68,68,0.15);   color: #fca5a5; border: 1px solid rgba(239,68,68,0.25); }

/* ══════════════════════════════════════════
   CARDS
══════════════════════════════════════════ */
.card {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.2s;
}
.card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.icon-blue   { background: rgba(59,130,246,0.15); }
.icon-green  { background: rgba(34,197,94,0.15); }
.icon-purple { background: rgba(139,92,246,0.15); }
.icon-teal   { background: rgba(20,184,166,0.15); }
.icon-yellow { background: rgba(245,158,11,0.15); }
.icon-red    { background: rgba(239,68,68,0.15); }
.icon-pink   { background: rgba(236,72,153,0.15); }
.icon-orange { background: rgba(249,115,22,0.15); }

.card p { color: var(--text2); font-size: 15px; line-height: 1.7; }

/* ══════════════════════════════════════════
   GRID
══════════════════════════════════════════ */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ══════════════════════════════════════════
   FORMS
══════════════════════════════════════════ */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.form-label span { color: var(--red); margin-left: 2px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: all 0.15s;
  outline: none;
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text3); }
.form-input.error { border-color: var(--red); }
.form-error { font-size: 12px; color: var(--red); margin-top: 5px; display: none; }
.form-error.show { display: block; }
.form-hint { font-size: 12px; color: var(--text3); margin-top: 5px; }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; margin-top: 2px; }
.form-check-label { font-size: 14px; color: var(--text2); line-height: 1.5; }
.form-check-label a { color: var(--accent2); }
.form-divider { display: flex; align-items: center; gap: 12px; margin: 24px 0; color: var(--text3); font-size: 13px; }
.form-divider::before, .form-divider::after { content: ''; flex: 1; height: 1px; background: var(--border2); }

/* ══════════════════════════════════════════
   PRICING CARDS
══════════════════════════════════════════ */
.pricing-card {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, rgba(59,130,246,0.08) 0%, var(--bg2) 60%);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 40px rgba(59,130,246,0.2);
}
.pricing-card:hover:not(.featured) {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-3px);
}
.pricing-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--grad1);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.pricing-name { font-size: 14px; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.pricing-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 8px; }
.pricing-price .amount { font-size: 48px; font-weight: 900; color: var(--text); letter-spacing: -2px; }
.pricing-price .currency { font-size: 22px; font-weight: 700; color: var(--text2); margin-bottom: 8px; }
.pricing-price .period { font-size: 14px; color: var(--text3); }
.pricing-desc { color: var(--text2); font-size: 14px; margin-bottom: 28px; line-height: 1.6; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; flex: 1; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text2); }
.pricing-features li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.pricing-features li.disabled { opacity: 0.4; }
.pricing-features li.disabled::before { content: '✕'; color: var(--text3); }

/* ══════════════════════════════════════════
   STAT / METRIC BLOCKS
══════════════════════════════════════════ */
.stat-block { text-align: center; }
.stat-block .stat-num {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-block .stat-label { font-size: 15px; color: var(--text2); }

/* ══════════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════════ */
.testimonial {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial-quote { font-size: 15px; color: var(--text2); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testimonial-quote::before { content: '"'; font-size: 40px; color: var(--accent); line-height: 0; vertical-align: -16px; margin-right: 4px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-name { font-size: 14px; font-weight: 600; color: var(--text); }
.testimonial-role { font-size: 13px; color: var(--text3); }

/* ══════════════════════════════════════════
   FEATURE COMPARISON TABLE
══════════════════════════════════════════ */
.compare-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare-table th {
  padding: 16px 20px;
  text-align: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--text2);
  border-bottom: 1px solid var(--border2);
  background: var(--bg2);
}
.compare-table th:first-child { text-align: left; }
.compare-table th.featured-col { color: var(--accent2); }
.compare-table td {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text2);
  text-align: center;
}
.compare-table td:first-child { text-align: left; color: var(--text); font-weight: 500; }
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }
.compare-table .section-row td {
  background: var(--bg3);
  color: var(--text3);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 10px 20px;
}
.check { color: var(--green); font-size: 16px; }
.cross { color: var(--text3); font-size: 16px; }

/* ══════════════════════════════════════════
   FAQ ACCORDION
══════════════════════════════════════════ */
.faq-item {
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-q {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg2);
  transition: background 0.15s;
  user-select: none;
}
.faq-q:hover { background: var(--bg3); }
.faq-q .faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.2s;
  color: var(--text2);
}
.faq-item.open .faq-q .faq-icon { transform: rotate(45deg); color: var(--accent2); }
.faq-a {
  display: none;
  padding: 20px 24px;
  color: var(--text2);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid var(--border2);
  background: var(--bg);
}
.faq-item.open .faq-a { display: block; }

/* ══════════════════════════════════════════
   STEPS / HOW IT WORKS
══════════════════════════════════════════ */
.how-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.how-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--purple) 100%);
  opacity: 0.3;
}
.how-step { text-align: center; padding: 0 16px; }
.how-step-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--bg2);
  border: 2px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  transition: all 0.2s;
}
.how-step:hover .how-step-num {
  border-color: var(--accent);
  background: rgba(59,130,246,0.1);
  transform: scale(1.05);
}
.how-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.how-step p { font-size: 14px; color: var(--text2); line-height: 1.6; }

/* ══════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 64px) 0 96px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 50%, rgba(139,92,246,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(20,184,166,0.06) 0%, transparent 50%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

/* ══════════════════════════════════════════
   GLOW EFFECTS
══════════════════════════════════════════ */
.glow-blue  { box-shadow: 0 0 40px rgba(59,130,246,0.2); }
.glow-purple { box-shadow: 0 0 40px rgba(139,92,246,0.2); }

/* ══════════════════════════════════════════
   LOGO BAR
══════════════════════════════════════════ */
.logo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  opacity: 0.4;
  filter: grayscale(1);
}
.logo-bar-item {
  font-size: 15px;
  font-weight: 700;
  color: var(--text2);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ══════════════════════════════════════════
   TERMINAL MOCKUP
══════════════════════════════════════════ */
.terminal {
  background: #0d1117;
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.terminal-bar {
  background: var(--bg3);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border2);
}
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #22c55e; }
.terminal-title { flex: 1; text-align: center; font-size: 12px; color: var(--text3); }
.terminal-body {
  padding: 24px;
  font-family: 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.8;
  color: #e2e8f0;
}
.terminal-body .prompt { color: #22c55e; }
.terminal-body .cmd { color: #93c5fd; }
.terminal-body .out { color: #94a3b8; }
.terminal-body .success { color: #86efac; }
.terminal-body .warn { color: #fcd34d; }
.terminal-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: #22c55e;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* ══════════════════════════════════════════
   DEVICE STATUS MOCKUP
══════════════════════════════════════════ */
.device-card-mock {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.2s;
}
.device-card-mock:hover { border-color: rgba(59,130,246,0.3); }
.device-status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-green { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot-red { background: var(--red); }
.dot-yellow { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.device-info { flex: 1; }
.device-name { font-size: 14px; font-weight: 600; color: var(--text); }
.device-meta { font-size: 12px; color: var(--text3); margin-top: 2px; }
.device-metric { font-size: 13px; color: var(--text2); text-align: right; }
.device-metric strong { color: var(--text); font-weight: 700; }

/* ══════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(139,92,246,0.1) 100%);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
  padding: 80px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border2);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { color: var(--text2); font-size: 14px; line-height: 1.7; margin-top: 16px; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: var(--text2); font-size: 14px; text-decoration: none; transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border2);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: var(--text3); font-size: 13px; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--text3); font-size: 13px; text-decoration: none; transition: color 0.15s; }
.footer-bottom-links a:hover { color: var(--text2); }

/* ══════════════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════════════ */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(59,130,246,0.1) 0%, transparent 60%);
  pointer-events: none;
}

/* ══════════════════════════════════════════
   ALERT / NOTICE BOXES
══════════════════════════════════════════ */
.notice {
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
}
.notice-icon { font-size: 18px; flex-shrink: 0; }
.notice.info { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2); color: #93c5fd; }
.notice.success { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2); color: #86efac; }
.notice.warn { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); color: #fcd34d; }

/* ══════════════════════════════════════════
   UTILITY
══════════════════════════════════════════ */
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.hidden { display: none; }

/* ══════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59,130,246,0.3); }
  50%       { box-shadow: 0 0 40px rgba(59,130,246,0.6); }
}
.animate-fade-up { animation: fadeUp 0.6s ease forwards; }
.animate-fade-in { animation: fadeIn 0.4s ease forwards; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .how-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .how-steps::before { display: none; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-ghost { display: none; }
  .nav-hamburger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-section { padding: 48px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-section { padding: calc(var(--nav-h) + 40px) 0 64px; }
  .compare-table { font-size: 12px; }
  .compare-table th, .compare-table td { padding: 10px 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn-lg { padding: 13px 24px; font-size: 15px; }
  .pricing-card { padding: 28px 24px; }
}

/* ══════════════════════════════════════════
   PRINT
══════════════════════════════════════════ */
@media print {
  .nav, .footer { display: none; }
  body { background: #fff; color: #000; }
}