/* header.css */

/* Font loading */
@font-face {
  font-family: "PP Neue Montreal";
  src: url("/home/fonts/ppneuemontreal-book.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "PP Neue Montreal";
  src: url("/home/fonts/ppneuemontreal-bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --white: #f5f5f5;
  --font-sans: "PP Neue Montreal", sans-serif;
  --font-serif: "PP Editorial New", serif;

  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  background-color: var(--black);
  color: var(--white);
  overflow-y: scroll;
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  scroll-snap-type: y proximity;
}

/* Header bar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 1.25rem 2rem;

  background: rgba(17, 17, 17, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  border-bottom: 1px solid rgba(255,255,255,0.06);

  transition:
    background 250ms var(--ease),
    border-color 250ms var(--ease),
    color 250ms var(--ease);

  font-family: var(--font-sans);
  font-weight: 400;
}

.site-header.on-light {
  background: rgba(245, 245, 245, 0.78);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  color: #111;
}

.site-title {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: currentColor;
  font-family: var(--font-sans);
  font-weight: 400;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: currentColor;
  text-decoration: none;

  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;

  opacity: 0.85;
  position: relative;

  font-family: var(--font-sans);
  font-weight: 400;
}

.site-nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px dotted currentColor;
  outline-offset: 4px;
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .site-header {
    /* Stay on one row, tighter padding */
    flex-direction: row;
    align-items: center;
    padding: 0 1.5rem;
    height: var(--header-h);
  }

  .site-title {
    font-size: 0.8rem;
    /* Don't let the title push nav off screen */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
  }

  .site-nav {
    gap: 1rem;
  }

  .site-nav a {
    font-size: 0.75rem;
    /* Prevent wrapping on small screens */
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 0 1.25rem;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .site-nav a {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
  }
}