/* ===== RESET & BASE ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #151718;
  color: #E8E9EA;
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
}
.cx { max-width: 1020px; margin: 0 auto; padding: 0 24px; }
a { color: #FD9539; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  background: #151718;
  border-bottom: 1px solid #272B2E;
  z-index: 100;
  padding: 15px 0;
}
.site-header .cx {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header .logo img { height: 30px; display: block; }
.site-nav { display: flex; gap: 24px; align-items: center; }
.site-nav a {
  color: #6B7075;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.site-nav a:hover,
.site-nav a.active { color: #E8E9EA; text-decoration: none; }
.hamburger {
  display: none;
  background: none;
  border: none;
  color: #E8E9EA;
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

/* ===== FOOTER ===== */
.site-footer {
  color: #6B7075;
  border-top: 1px solid #272B2E;
  padding: 28px 0;
  font-size: 14px;
  text-align: center;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #FD9539;
  border: 1px solid #FD9539;
  border-radius: 20px;
  padding: 6px 16px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero h1 span { color: #FD9539; }
.hero-desc {
  font-size: 17px;
  color: #6B7075;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.cta-btn {
  display: inline-block;
  background: #FD9539;
  color: #151718;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 50px;
  transition: opacity 0.2s;
}
.cta-btn:hover { opacity: 0.88; text-decoration: none; }

/* ===== HERO IMAGE ===== */
.hero-visual {
  margin: 60px auto 0;
  max-width: 520px;
  position: relative;
}
.hero-visual img {
  border-radius: 16px;
  border: 1px solid #272B2E;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.hero-visual::before {
  content: '';
  position: absolute;
  top: -40px; left: -40px; right: -40px; bottom: -40px;
  background: radial-gradient(ellipse at center, rgba(253,149,57,0.06) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* ===== CALIBRATION BAR (decorative) ===== */
.calibration-strip {
  margin: 48px auto 0;
  max-width: 400px;
}
.cal-bar {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #272B2E;
  position: relative;
  overflow: hidden;
}
.cal-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 65%;
  background: #FD9539;
  border-radius: 3px;
}

/* ===== FEATURES ===== */
.features {
  padding: 80px 0;
}
.features-heading {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #FD9539;
  margin-bottom: 48px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: #1D2023;
  border: 1px solid #272B2E;
  border-radius: 12px;
  padding: 32px 24px;
  position: relative;
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p {
  color: #6B7075;
  font-size: 14px;
  line-height: 1.65;
}
/* Accent top border on feature cards */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 2px;
  background: linear-gradient(90deg, #FD9539, transparent);
  border-radius: 1px;
}

/* ===== MOCKUP: Calibration chart ===== */
.calibration-section {
  padding: 60px 0 80px;
}
.calibration-card {
  background: #1D2023;
  border: 1px solid #272B2E;
  border-radius: 14px;
  padding: 40px 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.calibration-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 14px;
}
.calibration-text p {
  color: #6B7075;
  font-size: 15px;
  line-height: 1.7;
}

/* Mini calibration chart */
.cal-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cal-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
}
.cal-label {
  width: 36px;
  text-align: right;
  color: #6B7075;
  flex-shrink: 0;
}
.cal-track {
  flex: 1;
  height: 8px;
  background: #272B2E;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.cal-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  border-radius: 4px;
}
.cal-fill.predicted { background: #FD9539; opacity: 0.4; }
.cal-fill.actual { background: #FD9539; }
.cal-diff {
  width: 40px;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}
.cal-diff.over { color: #E53935; }
.cal-diff.under { color: #4CAF50; }
.cal-diff.perfect { color: #6B7075; }
.cal-legend {
  display: flex;
  gap: 20px;
  margin-top: 8px;
  font-size: 12px;
  color: #6B7075;
}
.cal-legend span::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}
.cal-legend .leg-predicted::before { background: #FD9539; opacity: 0.4; }
.cal-legend .leg-actual::before { background: #FD9539; }

/* ===== TRUST / SOCIAL PROOF ===== */
.trust-section {
  padding: 60px 0 80px;
  text-align: center;
}
.trust-section h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 14px;
}
.trust-section > .cx > p {
  color: #6B7075;
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.trust-pills {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.trust-pill {
  background: #1D2023;
  border: 1px solid #272B2E;
  border-radius: 50px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #E8E9EA;
}

/* ===== SCREENSHOT STRIP ===== */
.screenshot-strip {
  padding: 40px 0 80px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.screenshot-strip::-webkit-scrollbar { height: 6px; }
.screenshot-strip::-webkit-scrollbar-track { background: #1D2023; border-radius: 3px; }
.screenshot-strip::-webkit-scrollbar-thumb { background: #272B2E; border-radius: 3px; }
.strip-inner {
  display: flex;
  gap: 20px;
  padding: 0 24px;
  width: max-content;
}
.strip-inner img {
  height: 360px;
  width: auto;
  border-radius: 14px;
  border: 1px solid #272B2E;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

/* ===== PAGE CONTENT (Help, Privacy, Terms) ===== */
.page-header {
  padding: 60px 0 8px;
  text-align: center;
}
.page-header h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 10px;
}
.page-header p {
  color: #6B7075;
  font-size: 16px;
}
.page-header .date {
  color: #6B7075;
  font-size: 14px;
  margin-top: 4px;
}
.page-content {
  padding: 32px 0 60px;
}
.content-card {
  background: #1D2023;
  border: 1px solid #272B2E;
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 12px;
}
.content-card h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.content-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.content-card p,
.content-card li {
  color: #6B7075;
  font-size: 15px;
  line-height: 1.7;
}
.content-card ul {
  list-style: none;
  padding: 0;
}
.content-card ul li {
  padding: 6px 0;
  padding-left: 18px;
  position: relative;
}
.content-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: #FD9539;
  font-weight: 700;
}
.content-card .contact-email {
  color: #FD9539;
  font-size: 18px;
  font-weight: 600;
}
.footer-note {
  color: #6B7075;
  font-size: 13px;
  text-align: center;
  margin-top: 8px;
  padding-bottom: 20px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 40px; }
  .calibration-card { padding: 32px 24px; gap: 32px; }
}

@media (max-width: 768px) {
  /* Hamburger nav */
  .hamburger { display: block; }
  .site-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #151718;
    border-bottom: 1px solid #272B2E;
    padding: 16px 24px;
    gap: 12px;
  }
  .site-nav.open { display: flex; }

  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 15px; }

  .features-grid { grid-template-columns: 1fr; gap: 14px; }

  .calibration-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .trust-section h2 { font-size: 24px; }
  .strip-inner img { height: 260px; }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 26px; }
  .hero-visual { max-width: 100%; }
  .cta-btn { width: 100%; text-align: center; }
  .page-header h1 { font-size: 28px; }
}