:root {
  --clr-bg: #ffffff;
  --clr-text: #111111;
  --brand-blue: #0066ff;
  --brand-blue-dark: #0050d9;
  --brand-pink: #ff3ea5;
  --brand-cyan: #00e5ff;
  --brand-gradient: linear-gradient(135deg, var(--brand-pink) 0%, var(--brand-cyan) 100%);
  --clr-accent: var(--brand-blue);
  --clr-accent-hover: var(--brand-blue-dark);
  --clr-muted: #4b5563;
  --clr-light: #f9fafb;
  --radius: 12px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --max-width: 72rem;
  --font-body: 'Inter', system-ui, sans-serif;
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
}

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

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}
.logo img { height: 44px; display: block; }
.nav {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
.nav a { font-weight: 500; }
.nav a:hover { color: var(--clr-accent); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none; border: none; cursor: pointer;
}
.menu-toggle span {
  width: 20px; height: 2px; background: var(--clr-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer;
}
.btn--primary {
  background: var(--brand-gradient);
  color: #fff;
  border: 3px solid #000;
  box-shadow: 6px 6px 0 #000;
}
.btn--primary:hover { transform: translate(-2px, -2px); }
.btn--outline {
  border: 3px solid #000;
  color: #111;
  box-shadow: 6px 6px 0 #000;
}
.btn--outline:hover { background: var(--clr-accent); color: #111; }

/* Hero */
.hero {
  padding: var(--space-xl) 0;
  display: flex; align-items: center; min-height: 80vh;
}
.hero__inner {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .hero__inner { grid-template-columns: 1fr 1fr; align-items: center; }
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 var(--space-sm);
}
.hero__subtitle {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--clr-muted);
  margin: 0 0 var(--space-sm);
}
.hero__desc { margin-bottom: var(--space-md); }
.hero__cta { margin-bottom: var(--space-sm); }
.hero__proof {
  font-size: 0.875rem;
  color: var(--clr-muted);
}
.hero__visual { animation: fadeIn 1s ease forwards; }

.hero__visual .device-shot {
  border-radius: 16px;
  border: 4px solid #000;
  box-shadow: 10px 10px 0 #000;
  width: min(100%, 420px);
  margin-inline: auto;
}

/* Section titles */
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-align: center;
}

/* Problem */
.problem { padding: var(--space-xl) 0; background: var(--clr-light); }
.problem__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.problem__card {
  background: #fff;
  border-radius: 12px;
  padding: var(--space-md);
  border: 4px solid #000;
  box-shadow: 8px 8px 0 #000;
  animation: slideUp 0.6s ease forwards;
}
.problem__card h3 { margin-top: 0; }

/* How it works */
.how { padding: var(--space-xl) 0; }
.how__steps {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: var(--space-lg);
}
.step {
  text-align: center;
  animation: fadeIn 0.8s ease forwards;
}
.step__num {
  width: 2.5rem; height: 2.5rem; margin: 0 auto var(--space-sm);
  background: var(--brand-gradient);
  color: #fff;
  border-radius: 50%;
  display: grid; place-content: center;
  font-weight: 700;
}
.how__benefits {
  max-width: 60ch;
  margin-inline: auto;
  padding-left: 1.25rem;
}
.how__benefits li { margin-bottom: var(--space-xs); }

/* Traction */
.traction { padding: var(--space-xl) 0; background: var(--clr-light); }
.traction__metrics {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: var(--space-lg);
}
.metric { text-align: center; animation: countUp 0.8s ease forwards; }
.metric__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #111;
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border: 4px solid #000;
  box-shadow: 6px 6px 0 #000;
  background: #fff;
}
.metric__label { font-size: 0.875rem; color: var(--clr-muted); }
.testimonials {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.testimonials blockquote {
  background: #fff;
  padding: var(--space-md);
  border-radius: 12px;
  border: 4px solid #000;
  box-shadow: 8px 8px 0 #000;
  margin: 0;
  animation: fadeIn 1s ease forwards;
}

/* Business */
.business { padding: var(--space-xl) 0; }
.business__subtitle { text-align: center; margin-bottom: var(--space-lg); font-size: 1.125rem; color: var(--clr-muted); }
.business__offerings {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-bottom: var(--space-lg);
}
.offering {
  background: #fff;
  border-radius: 12px;
  padding: var(--space-md);
  border: 4px solid #000;
  box-shadow: 8px 8px 0 #000;
  animation: slideUp 0.6s ease forwards;
}
.offering h3 { margin-top: 0; }
.offering__price { margin-top: var(--space-sm); font-weight: 600; }
.offering__price span { color: var(--clr-accent); }
.business__context ul { list-style: none; padding: 0; display: grid; gap: var(--space-xs); }
.business__context li { font-size: 1rem; }

/* Download */
.download {
  padding: var(--space-xl) 0;
  text-align: center;
  background: var(--brand-gradient);
  color: #fff;
  border-top: 4px solid #000;
}
.download h2 { margin-top: 0; }

/* Footer */
.footer { padding: var(--space-lg) 0; background: #111; color: #fff; border-top: 4px solid #000; }
.footer__inner {
  display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: space-between; align-items: center;
}
.footer__links, .footer__socials {
  display: flex; flex-wrap: wrap; gap: var(--space-sm);
}
.footer a:hover { color: var(--clr-accent); }

.footer__brand img { height: 44px; display: block; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .hero__inner { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .nav.open { 
    display: flex; 
    position: absolute; 
    right: 1rem; 
    top: 64px; 
    flex-direction: column; 
    gap: var(--space-sm); 
    background: #fff; 
    border: 1px solid #e5e7eb; 
    border-radius: var(--radius); 
    padding: var(--space-sm); 
    box-shadow: 12px 12px 0 #000;
  }
}

.gallery { padding: var(--space-xl) 0; background: var(--clr-light); }
.gallery__grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.gallery__item img { width: 100%; border: 4px solid #000; box-shadow: 10px 10px 0 #000; border-radius: 12px; }
.people-testimonials { padding: var(--space-xl) 0; background: #fff; }
.people__grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.person-card { text-align: center; border: 4px solid #000; box-shadow: 8px 8px 0 #000; border-radius: 16px; padding: var(--space-md); background: #fff; }
.person-avatar { width: 120px; height: 120px; object-fit: cover; border-radius: 50%; border: 4px solid #000; box-shadow: 6px 6px 0 #000; margin: 0 auto var(--space-sm); }
.avatar { width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 2rem; background: var(--brand-gradient); color: #fff; border: 4px solid #000; box-shadow: 6px 6px 0 #000; margin: 0 auto var(--space-sm); }
.person-name { font-weight: 700; margin-bottom: var(--space-xs); }
.person-quote { font-size: 0.95rem; color: var(--clr-muted); }