/* Wirefree — Industrial Wireless Sensors */
:root {
  --bg: #0C0C0E;
  --bg-surface: #111114;
  --bg-card: #141416;
  --border: #222228;
  --border-bright: #2a2a30;
  --text-primary: #F0F0F0;
  --text-secondary: #8a8a96;
  --text-muted: #55555f;
  --accent: #C8F135;
  --accent-dim: rgba(200, 241, 53, 0.12);
  --accent-glow: rgba(200, 241, 53, 0.25);
  --radius: 10px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* SITE LOGO */
.site-logo {
  position: absolute;
  top: 28px;
  left: 36px;
  z-index: 10;
  display: flex;
  align-items: center;
}

.site-logo img {
  height: 44px;
  width: auto;
  display: block;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 0 0 0;
  overflow: hidden;
  background: var(--bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 60px;
}

.hero-svg {
  width: 100%;
  max-height: 520px;
  opacity: 0.7;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 80px 40px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1.5px;
  background: var(--accent);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.65;
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 32px 80px;
  border-top: 1px solid var(--border);
  background: linear-gradient(to top, rgba(200,241,53,0.04), transparent);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 48px 0 0;
}

.stat:first-child { padding-left: 0; }

.stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 160px;
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin: 0 48px 0 0;
  flex-shrink: 0;
}

/* MANIFESTO */
.manifesto {
  padding: 120px 80px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 820px;
  margin: 0 auto;
}

.manifesto-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.manifesto-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1.5px;
  background: var(--accent);
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 40px;
}

.manifesto-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-body p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* PROOF */
.proof {
  padding: 120px 80px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.proof-header {
  margin-bottom: 64px;
}

.proof-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.proof-headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.proof-card {
  background: var(--bg-card);
  padding: 40px 32px;
  transition: background 0.2s;
}

.proof-card:hover { background: #18181c; }

.proof-metric {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.proof-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* HOW */
.how {
  padding: 120px 80px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how-header {
  margin-bottom: 72px;
}

.how-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.how-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1.5px;
  background: var(--accent);
}

.how-headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-connector {
  width: 40px;
  height: 1px;
  background: var(--border-bright);
  margin-top: 60px;
  flex-shrink: 0;
  position: relative;
}

.step-connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}

.step-number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* OUTCOMES */
.outcomes {
  padding: 120px 80px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.outcomes-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.outcomes-header {
  margin-bottom: 64px;
}

.outcomes-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.outcomes-headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.outcome-card {
  background: var(--bg-card);
  padding: 40px 32px;
  transition: background 0.2s;
}

.outcome-card:hover { background: #18181c; }

.outcome-icon {
  margin-bottom: 20px;
}

.outcome-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.outcome-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* CLOSING */
.closing {
  padding: 140px 80px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200, 241, 53, 0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 36px;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.signup-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.signup-form input {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  min-width: 260px;
  outline: none;
  transition: border-color 0.2s;
}

.signup-form input::placeholder { color: var(--text-muted); }
.signup-form input:focus { border-color: var(--accent); }

.signup-form button {
  background: var(--accent);
  color: #0C0C0E;
  border: none;
  border-radius: var(--radius);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}

.signup-form button:hover { opacity: 0.88; }

.signup-success {
  margin-top: 20px;
  color: var(--accent);
  font-size: 15px;
}

.signup-error {
  margin-top: 20px;
  color: #f44;
  font-size: 15px;
}

/* FOOTER */
.footer {
  padding: 48px 80px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content { padding: 60px 28px 28px; }
  .hero-stats { padding: 24px 28px; flex-direction: column; align-items: flex-start; gap: 20px; }
  .stat-divider { display: none; }
  .stat { padding: 0; }
  .hero-bg { padding: 20px; }
  .manifesto, .proof, .how, .outcomes, .closing { padding: 80px 28px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .how-steps { flex-direction: column; gap: 16px; }
  .step-connector { display: none; }
  .footer { padding: 40px 28px; }
  .footer-inner { flex-direction: column; gap: 16px; align-items: flex-start; }
}