:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-2: #f0f0ee;
  --text: #16181d;
  --muted: #6b7280;
  --border: #e6e6e2;
  --radius: 18px;
  --max: 720px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

main {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
}

/* Hero — just "Ok 👌" */
.hero {
  text-align: center;
  padding-block: clamp(64px, 16vw, 140px) clamp(32px, 8vw, 64px);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.15em;
  margin: 0;
  font-size: 3.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.logo-mark { font-weight: 400; cursor: pointer; display: inline-block; }
.logo-mark:hover { animation: mark-pop .4s ease; }

@keyframes mark-pop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.25) rotate(-8deg); }
  100% { transform: scale(1); }
}

/* Thrown 👌 particles */
.ok-particle {
  position: fixed;
  z-index: 50;
  font-size: 1.8rem;
  pointer-events: none;
  will-change: transform, opacity;
  transform: translate(-50%, -50%);
  animation: ok-throw var(--dur, 1.2s) cubic-bezier(0.18, 0.7, 0.35, 1) forwards;
}

@keyframes ok-throw {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.4) rotate(0deg);
  }
  15% {
    opacity: 1;
    transform: translate(calc(-50% + var(--tx) * 0.4), calc(-50% + var(--ty) * 0.5))
               scale(var(--scale, 1)) rotate(calc(var(--rot) * 0.3));
  }
  100% {
    opacity: 0;
    transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty) + var(--drop, 240px)))
               scale(var(--scale, 1)) rotate(var(--rot, 180deg));
  }
}

/* Portfolio */
.portfolio { padding-bottom: clamp(48px, 10vw, 96px); }
.product-grid { display: flex; flex-direction: column; gap: 14px; }

.product-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .18s ease, border-color .18s, box-shadow .18s;
}
.product-card:hover {
  transform: translateY(-2px);
  border-color: var(--brand, var(--muted));
  box-shadow: 0 14px 30px -18px rgba(0,0,0,0.25);
}

.product-logo {
  flex: none;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--surface-2);
}
.product-logo img { border-radius: 10px; display: block; }

.product-body { flex: 1; min-width: 0; }
.product-body h2 { margin: 0; font-size: 1.2rem; }
.product-tag { margin: 2px 0 0; color: var(--muted); font-size: 0.95rem; }

.product-link {
  flex: none;
  font-size: 1.3rem;
  color: var(--muted);
  transition: transform .18s ease, color .18s;
}
.product-card:hover .product-link { transform: translateX(4px); color: var(--brand, var(--text)); }

/* Contact */
.contact {
  text-align: center;
  margin: clamp(28px, 6vw, 44px) 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}
.contact a {
  color: var(--text);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  transition: border-color .18s;
}
.contact a:hover { border-color: var(--text); }

/* Footer */
.site-footer {
  text-align: center;
  padding: 28px 20px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .product-card:hover { transform: none; }
}