/* ============================================================
   Walk-Up Hype — stylesheet
   Mobile-first, dark, single page
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --black:   #000000;
  --navy:    #1C1C1E;
  --gold:    #F5A623;
  --white:   #FFFFFF;
  --gray:    #8E8E93;
  --radius:  12px;
  --font:    'Inter', system-ui, sans-serif;
  --max-w:   1100px;
  --section-pad: 80px 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

/* ---------- Utilities ---------- */
.gold { color: var(--gold); }

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  font-variant: small-caps;
  text-align: center;
  margin-bottom: 40px;
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad);
}

.desktop-br { display: none; }

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  text-align: center;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: var(--black);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: border-color 0.2s, opacity 0.2s;
  text-align: center;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
  opacity: 1;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100svh;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 720px;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  margin-bottom: 28px;
  object-fit: cover;
}

.hero-headline {
  font-size: clamp(40px, 10vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 20px;
}

.hero-subhead {
  font-size: clamp(16px, 2.5vw, 18px);
  font-weight: 400;
  color: var(--gray);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-footnote {
  font-size: 13px;
  color: var(--gray);
}

/* ============================================================
   PROMO VIDEO
   ============================================================ */
#promo {
  background: var(--black);
}

.promo-video {
  width: 100%;
  max-width: 800px;
  display: block;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

/* ============================================================
   SCREENSHOTS
   ============================================================ */
.screenshots-section {
  background: var(--navy);
}

.screenshots-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  justify-content: center;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.screenshot {
  width: 220px;
  flex-shrink: 0;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   FEATURES
   ============================================================ */
#features {
  background: var(--black);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.feature-card {
  background: var(--navy);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(245, 166, 35, 0.3);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 28px;
  display: block;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--white);
}

.feature-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.5;
}

/* ============================================================
   PRICING
   ============================================================ */
#pricing {
  background: var(--black);
}

.pricing-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 640px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--navy);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pricing-card--premium {
  border-color: var(--gold);
  box-shadow: 0 0 24px rgba(245, 166, 35, 0.2);
}

.pricing-tier {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}

.pricing-price {
  font-size: 40px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.pricing-price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--gray);
}

.pricing-trial {
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
  margin-top: -12px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.pricing-features li {
  font-size: 15px;
  color: var(--gray);
  padding-left: 4px;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
  width: 100%;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--black);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.footer-wordmark {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray);
}

.footer-links a {
  color: var(--gray);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-legal {
  font-size: 12px;
  color: var(--gray);
  max-width: 480px;
  line-height: 1.5;
}

/* ============================================================
   RESPONSIVE — ≥ 768px (2-col grids, side-by-side cards)
   ============================================================ */
@media (min-width: 768px) {
  .desktop-br { display: block; }

  .demo-cards {
    flex-direction: row;
    max-width: 100%;
  }

  .demo-card {
    flex: 1;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-cards {
    flex-direction: row;
    max-width: 100%;
  }

  .pricing-card {
    flex: 1;
  }

}

/* ============================================================
   RESPONSIVE — ≥ 1024px (3-col features, full layout)
   ============================================================ */
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-inner {
    padding: 100px 40px;
  }

  #hero {
    padding: 100px 40px;
  }
}