@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;900&display=swap');

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

/* ─── Tokens ─── */
:root {
  --bg:         #0a0a0b;
  --surface:    #141416;
  --surface-2:  #18181b;
  --border:     #1e1e22;
  --card:       #222;
  --text:       #e4e4e7;
  --text-muted: #71717a;
  --muted:      #888;
  --accent:     #c084fc;
  --accent-dim: rgba(192, 132, 252, 0.15);
  --accent-dark:#9333ea;
  --pink:       #f472b6;
  --black:      #0a0a0a;
  --radius:     14px;
  --nav-h:      56px;
  --font:       'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:       'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --space-section: 64px;
  --space-page:    16px;
}

@media (min-width: 768px) {
  :root {
    --nav-h: 64px;
    --space-section: 100px;
    --space-page: 24px;
  }
}

/* ─── Base ─── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: contain;
}

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

/* ─── Layout ─── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-page);
}

/* ─── Scrollbar (desktop) ─── */
@media (min-width: 768px) {
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
}

/* ─── Page transition ─── */
.page-enter {
  animation: fadeUp 0.35s ease forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Reveal on scroll ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Touch-friendly: min 44px tap targets ─── */
button, a, [role="button"] {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ─── Safe area (notch devices) ─── */
@supports (padding: env(safe-area-inset-bottom)) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
}

/* ─── Footer ─── */
.footer {
  padding: 40px 0;
  padding-bottom: calc(40px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.footer .icon {
  color: var(--accent);
  font-size: 20px;
  min-height: auto;
}

.footer p + p { margin-top: 4px; }