@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #F3F3F1;
  --ink: #111111;
  --muted: #6B6F78;
  --line: #D8D8D6;
  --silver-1: #F5F5F5;
  --silver-2: #8A8F9C;
  --silver-3: #C7CBD4;
  --surface: #FFFFFF;
  --max-w: 960px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

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

.display {
  font-family: 'Rajdhani', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Header */
header.site {
  position: sticky;
  top: 0;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: rgba(243,243,241,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max-w);
  margin: 0 auto;
}

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

.brand svg { height: 34px; width: auto; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-text .name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
}

.brand-text .sub {
  font-size: 9px;
  color: var(--silver-2);
  letter-spacing: 0.22em;
  font-weight: 600;
  margin-top: 2px;
}

nav.links {
  display: flex;
  gap: 28px;
}

nav.links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s ease;
}

nav.links a.active,
nav.links a:hover {
  color: var(--ink);
}

/* Footer */
footer.site {
  border-top: 1px solid var(--line);
  margin-top: 96px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 36px 28px calc(36px + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner .copy {
  font-size: 13px;
  color: var(--muted);
}

.footer-inner .fmark { display: flex; align-items: center; gap: 8px; }
.footer-inner .fmark svg { height: 20px; width: auto; }
.footer-inner .fmark span {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 3px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--ink);
  color: var(--surface);
}
.btn-primary:hover { background: #000; }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}

@media (max-width: 640px) {
  .nav { padding: 14px 20px; }
  nav.links { gap: 18px; }
  nav.links a { font-size: 13px; }
  .wrap { padding: 0 20px; }
}