:root {
  --primary: #22a7f0;
  --primary-dark: #1489cc;
  --navy: #0f1c2e;
  --navy-2: #16273d;
  --text: #1f2937;
  --muted: #6b7280;
  --bg-alt: #f4f7fb;
  --border: #e5e7eb;
  --green: #00a65a;
  --yellow: #f39c12;
  --red: #dd4b39;
  --aqua: #00c0ef;
  --purple: #7c5cff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 28, 46, 0.08);
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: #fff;
}

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

.container { width: min(1180px, 92%); margin: 0 auto; }
.container.narrow { width: min(820px, 92%); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
  font-family: inherit;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-light { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.25); }
.btn-light:hover { background: rgba(255,255,255,0.18); }
.btn-ghost { color: var(--text); }
.btn-ghost:hover { color: var(--primary); }
.btn-outline { border-color: var(--border); color: var(--text); }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  z-index: 100;
  transition: box-shadow 0.2s;
}

.site-header.scrolled { box-shadow: 0 2px 16px rgba(15,28,46,0.08); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.2rem;
  color: var(--navy);
}

.logo img { width: 36px; height: 36px; object-fit: contain; }
.logo strong { color: var(--primary); }
.logo.light { color: #fff; }

.main-nav {
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
  font-size: 0.92rem;
  font-weight: 500;
  color: #374151;
}

.main-nav a:hover { color: var(--primary); }
.nav-actions-mobile { display: none; }

.header-actions { display: flex; gap: 0.5rem; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--navy);
  cursor: pointer;
}

/* Hero */
.hero {
  background:
    radial-gradient(ellipse 55% 60% at 85% 15%, rgba(34,167,240,0.16), transparent),
    radial-gradient(ellipse 45% 50% at 5% 95%, rgba(0,166,90,0.10), transparent),
    linear-gradient(180deg, #f5faff 0%, #eef5fc 100%);
  color: var(--navy);
  padding: calc(var(--header-h) + 4rem) 0 5rem;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.9rem;
}

.hero .eyebrow, .eyebrow.light {
  color: var(--primary-dark);
  background: rgba(34,167,240,0.12);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.contact-section .eyebrow.light { color: #7dd3fc; }

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.highlight {
  background: linear-gradient(90deg, #22a7f0, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 1.08rem;
  color: #475569;
  max-width: 560px;
  margin-bottom: 2rem;
}

.hero-cta { display: flex; gap: 0.85rem; flex-wrap: wrap; margin-bottom: 1.75rem; }

.hero-checks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.88rem;
  color: #475569;
}

.hero-checks i { color: var(--green); margin-right: 0.35rem; }

.hero .btn-light {
  background: #fff;
  color: var(--navy);
  border-color: #d6e2ee;
  box-shadow: 0 2px 8px rgba(15,28,46,0.05);
}

.hero .btn-light:hover { border-color: var(--primary); color: var(--primary-dark); }

/* Hero mockup */
.hero-visual { position: relative; }

.mock-window {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid #e3ebf3;
  box-shadow: 0 24px 50px rgba(15,28,46,0.12);
  overflow: hidden;
  color: var(--text);
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 0.9rem;
  background: #f1f5f9;
  border-bottom: 1px solid var(--border);
}

.mock-bar span { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.mock-bar span:nth-child(1) { background: #f87171; }
.mock-bar span:nth-child(2) { background: #fbbf24; }
.mock-bar span:nth-child(3) { background: #34d399; }
.mock-bar em { margin-left: 0.75rem; font-style: normal; font-size: 0.75rem; color: var(--muted); }

.mock-body { padding: 1rem; }

.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-bottom: 0.9rem; }

.mock-stat {
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  color: #fff;
}

.mock-stat small { display: block; font-size: 0.7rem; opacity: 0.9; }
.mock-stat b { font-size: 1.05rem; }
.mock-stat.aqua { background: var(--aqua); }
.mock-stat.green { background: var(--green); }
.mock-stat.yellow { background: var(--yellow); }

.mock-chart {
  height: 110px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.9rem;
  overflow: hidden;
}

.mock-chart svg { width: 100%; height: 100%; }

.mock-machines { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }

.mm {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.mm i { font-size: 0.5rem; }
.mm b { margin-left: auto; }
.mm.run i { color: var(--green); }
.mm.idle i { color: var(--yellow); }
.mm.alarm i { color: var(--red); }
.mm.alarm b { color: var(--red); }

/* Hero slider */
.slides { display: grid; }

.slide {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateX(24px) scale(0.98);
  transition: opacity 0.6s ease, transform 0.6s ease, visibility 0.6s;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.slide .mock-body { min-height: 300px; }

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
}

.slider-info { text-align: center; flex: 1; }

.slider-caption {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.slider-dots { display: flex; justify-content: center; gap: 0.45rem; }

.slider-dots button {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: none;
  background: #c8d6e5;
  cursor: pointer;
  padding: 0;
  transition: width 0.3s, background 0.3s;
}

.slider-dots button.is-active { width: 26px; background: var(--primary); }

.slider-arrow {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #d6e2ee;
  background: #fff;
  color: var(--navy);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.slider-arrow:hover { border-color: var(--primary); color: var(--primary); }

/* Slide: OEE */
.oee-top { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.oee-gauge { position: relative; width: 150px; flex-shrink: 0; }
.oee-gauge svg { width: 100%; display: block; }
.oee-gauge-val { position: absolute; left: 0; right: 0; bottom: 0; text-align: center; line-height: 1.1; }
.oee-gauge-val b { font-size: 1.4rem; color: var(--navy); }
.oee-gauge-val small { display: block; font-size: 0.7rem; color: var(--muted); }

.apq { flex: 1; display: grid; gap: 0.45rem; }
.apq div {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0.65rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.78rem;
}
.c-aqua { color: var(--aqua); }
.c-yellow { color: var(--yellow); }
.c-green { color: var(--green); }

.oee-bars { display: grid; gap: 0.55rem; }
.ob { display: grid; grid-template-columns: 110px 1fr 38px; align-items: center; gap: 0.6rem; font-size: 0.75rem; }
.ob span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ob i { height: 8px; background: #edf2f7; border-radius: 999px; position: relative; overflow: hidden; }
.ob i::after { content: ''; position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--primary); border-radius: 999px; }
.ob.low i::after { background: var(--red); }
.ob b { text-align: right; }
.ob.low b { color: var(--red); }

/* Slide: alarms */
.alarm-head { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-bottom: 0.9rem; }
.ah-box { border-radius: 8px; padding: 0.6rem 0.75rem; }
.ah-box b { display: block; font-size: 1.3rem; line-height: 1.1; }
.ah-box small { font-size: 0.72rem; }
.ah-box.red { background: #fdecea; color: #b5382a; }
.ah-box.yellow { background: #fef5e6; color: #b06d05; }
.ah-box.grey { background: #f1f5f9; color: #475569; }

.alarm-rows { list-style: none; display: grid; gap: 0.5rem; }
.alarm-rows li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 6px;
  font-size: 0.78rem;
}
.alarm-rows li div { flex: 1; min-width: 0; }
.alarm-rows small { display: block; color: var(--muted); font-size: 0.72rem; }
.alarm-rows time { font-size: 0.72rem; color: var(--muted); white-space: nowrap; }
.sev-high { border-left-color: var(--red) !important; }
.sev-high i { color: var(--red); }
.sev-mid { border-left-color: var(--yellow) !important; }
.sev-mid i { color: var(--yellow); }
.sev-low { border-left-color: #9ca3af !important; }
.sev-low i { color: #9ca3af; }

/* Slide: distribution */
.dist { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1rem; }
.donut { position: relative; width: 120px; flex-shrink: 0; }
.donut svg { width: 100%; display: block; }
.donut-val { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; }
.donut-val b { font-size: 1.05rem; color: var(--navy); }
.donut-val small { font-size: 0.65rem; color: var(--muted); }

.dist-legend { list-style: none; flex: 1; display: grid; gap: 0.6rem; }
.dist-legend li {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 0.5rem;
  align-items: center;
  font-size: 0.8rem;
  padding: 0.5rem 0.65rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.dist-legend li i { width: 10px; height: 10px; border-radius: 50%; }
.dist-legend li small { grid-column: 3; color: var(--muted); text-align: right; font-size: 0.7rem; }
.dist-legend li b { grid-column: 3; grid-row: 1; }
.dot-aqua { background: var(--aqua); }
.dot-yellow { background: var(--yellow); }

.hour-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 80px;
  padding: 0.5rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.hour-bars i { flex: 1; height: var(--h); background: linear-gradient(180deg, #22a7f0, #7cc9f5); border-radius: 3px 3px 0 0; }
.hour-labels { display: flex; justify-content: space-between; font-size: 0.68rem; color: var(--muted); margin-top: 0.3rem; padding: 0 0.25rem; }

@media (prefers-reduced-motion: reduce) {
  .slide { transition: none; }
}

/* Band */
.band { background: #fff; border-bottom: 1px solid var(--border); }

.band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.75rem 0;
}

.band-item { display: flex; align-items: center; gap: 0.85rem; }
.band-item i { font-size: 1.5rem; color: var(--primary); width: 32px; text-align: center; }
.band-item b { display: block; font-size: 1.05rem; color: var(--navy); }
.band-item span { font-size: 0.85rem; color: var(--muted); }

/* Sections */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--bg-alt); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }

.section-head h2, .demo-text h2, .contact-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.9rem;
  color: var(--navy);
}

.section-head p { color: var(--muted); font-size: 1.02rem; }

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.feature h3 { font-size: 1.08rem; margin-bottom: 0.5rem; color: var(--navy); }
.feature p { color: var(--muted); font-size: 0.93rem; }

.f-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.1rem;
}

.f-icon.blue { background: #e8f6fe; color: var(--primary); }
.f-icon.yellow { background: #fef5e6; color: var(--yellow); }
.f-icon.red { background: #fdecea; color: var(--red); }
.f-icon.green { background: #e6f6ee; color: var(--green); }
.f-icon.purple { background: #f0ecff; color: var(--purple); }
.f-icon.aqua { background: #e5f9fd; color: var(--aqua); }

/* Modules */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.module {
  display: flex;
  gap: 1rem;
  padding: 1.4rem;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.module > i {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}

.module h3 { font-size: 1rem; color: var(--navy); margin-bottom: 0.3rem; }
.module p { font-size: 0.9rem; color: var(--muted); }

.widgets { text-align: center; }
.widgets h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 1.1rem; }

.widget-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }

.widget-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: #374151;
}

.widget-tags i { color: var(--primary); }

/* Demo */
.demo-section {
  background:
    radial-gradient(ellipse 50% 60% at 90% 50%, rgba(34,167,240,0.12), transparent),
    linear-gradient(180deg, #eef6fd 0%, #f7fbff 100%);
  color: var(--navy);
}

.demo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.demo-text > p { color: #475569; margin-bottom: 1.5rem; }

.demo-zones { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.75rem; }

.zone {
  background: #fff;
  border: 1px solid #dce7f2;
  border-radius: 10px;
  padding: 1rem;
}

.zone h4 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.zone h4 i { color: var(--primary); margin-right: 0.35rem; }
.zone ul { list-style: none; font-size: 0.85rem; color: #475569; }
.zone li::before { content: '•'; color: var(--primary); margin-right: 0.45rem; }

.demo-note { margin-top: 0.75rem; font-size: 0.8rem; color: var(--muted); }

.floor {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--text);
  border: 1px solid #e3ebf3;
  box-shadow: 0 24px 50px rgba(15,28,46,0.12);
}

.floor-zone { margin-bottom: 1rem; }
.floor-title { font-size: 0.85rem; font-weight: 700; color: var(--navy); margin-bottom: 0.5rem; }
.floor-title i { color: var(--primary); margin-right: 0.3rem; }

.floor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }

.tile {
  padding: 0.7rem 0.3rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border);
  border-left-width: 4px;
}

.tile.run { border-left-color: var(--green); }
.tile.idle { border-left-color: var(--yellow); }
.tile.alarm { border-left-color: var(--red); background: #fdecea; animation: blink 1.6s infinite; }
.tile.off { border-left-color: #9ca3af; color: #9ca3af; }

@keyframes blink { 50% { background: #fff; } }

.floor-legend { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.75rem; color: var(--muted); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 0.3rem; }
.dot.run { background: var(--green); }
.dot.idle { background: var(--yellow); }
.dot.alarm { background: var(--red); }
.dot.off { background: #9ca3af; }

/* Sectors */
.sector-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

.sector {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.sector:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.sector i { font-size: 1.6rem; color: var(--primary); margin-bottom: 0.75rem; }
.sector h3 { font-size: 1rem; color: var(--navy); margin-bottom: 0.25rem; }
.sector p { font-size: 0.85rem; color: var(--muted); }

/* Steps */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border);
}

.step-num {
  display: inline-flex;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  align-items: center; justify-content: center;
  margin-bottom: 1rem;
}

.step h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 0.4rem; }
.step p { font-size: 0.9rem; color: var(--muted); }

/* FAQ */
.faq details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.3rem; line-height: 1; color: var(--primary); }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 0.75rem; color: var(--muted); font-size: 0.95rem; }

/* Contact */
.contact-section { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-text h2 { color: #fff; }
.contact-text > p { color: #cbd5e1; margin-bottom: 1.5rem; }

.contact-list { list-style: none; display: grid; gap: 0.75rem; color: #e2e8f0; }
.contact-list i { color: var(--primary); width: 22px; }
.contact-list a:hover { color: var(--primary); }

.contact-form {
  background: #fff;
  color: var(--text);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: grid;
  gap: 1rem;
  box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(34,167,240,0.15);
}

.form-status { font-size: 0.85rem; color: var(--green); min-height: 1.2em; }

/* Footer */
.site-footer { background: #0a1422; color: #94a3b8; padding: 3.5rem 0 1.5rem; }

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p { margin-top: 0.85rem; font-size: 0.9rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 0.85rem; }
.footer-col a { display: block; font-size: 0.9rem; margin-bottom: 0.5rem; }
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 1.25rem;
  font-size: 0.82rem;
}

/* Responsive */
@media (max-width: 1080px) {
  .main-nav { gap: 1.1rem; }
  .header-actions .btn-ghost { display: none; }
}

@media (max-width: 960px) {
  .hero-inner, .demo-inner, .contact-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; margin: 1rem auto 0; width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .sector-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .band-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }

  .nav-toggle { display: block; }
  .header-actions { display: none; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    padding: 0.5rem 4% 1.25rem;
    box-shadow: 0 12px 24px rgba(15,28,46,0.1);
    display: none;
  }

  .main-nav.open { display: flex; }
  .main-nav > a { padding: 0.8rem 0; border-bottom: 1px solid var(--border); }
  .nav-actions-mobile { display: flex; gap: 0.6rem; margin-top: 1rem; }
  .nav-actions-mobile .btn { flex: 1; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 0; }
  .feature-grid, .module-grid, .sector-grid, .steps, .band-inner,
  .demo-zones, .form-row, .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; }
}