/* ===================================================
   COMPONENTS — grantdaniels.me
   =================================================== */

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    background 0.3s var(--ease-in-out);
}
.nav--hidden { transform: translateY(-100%); }
.nav--scrolled { box-shadow: var(--shadow-sm); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
}
.nav__logo:hover { color: var(--color-primary); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}
.nav__link:hover,
.nav__link.active { color: var(--color-text); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__theme-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.nav__theme-btn:hover { color: var(--color-text); background: var(--color-surface-offset); }

.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  transition:
    background var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.nav__cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}
.nav__cta:active { transform: translateY(0); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__cta { display: none; }
  .nav__mobile-menu {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-bg);
    padding: var(--space-8) clamp(var(--space-4), 5vw, var(--space-16));
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease-out);
    z-index: 99;
  }
  .nav__mobile-menu.open { transform: translateX(0); }
  .nav__mobile-menu .nav__link {
    font-size: var(--text-lg);
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text);
  }
  .nav__mobile-menu .nav__cta {
    display: inline-flex;
    align-self: flex-start;
    margin-top: var(--space-4);
  }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.btn--primary:active { transform: translateY(0); box-shadow: none; }

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.btn--outline:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: var(--space-3);
}
.btn--ghost:hover { color: var(--color-text); }

/* ---- TAGS / BADGES ---- */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  letter-spacing: 0.02em;
}
.tag--accent {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-color: transparent;
}

/* ---- CARDS ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.card--interactive {
  cursor: pointer;
  text-decoration: none;
  display: block;
}
.card--interactive:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
  transform: translateY(-3px);
}
.card--interactive:active { transform: translateY(-1px); }

/* ---- SECTION LABEL ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--color-primary);
}

/* ---- DIVIDER ---- */
.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin-block: var(--space-16);
}

/* ---- PAGE HEADER ---- */
.page-header {
  padding-top: calc(64px + clamp(var(--space-12), 8vw, var(--space-24)));
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-24));
  border-bottom: 1px solid var(--color-divider);
}

/* ---- FOOTER ---- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12);
  margin-top: var(--space-24);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}
.footer__link {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__link:hover { color: var(--color-text-muted); }

/* ---- SCROLL REVEALS ---- */
.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
}
@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ---- NOISE OVERLAY ---- */
.noise-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 0;
}

/* ---- GRADIENT LINE ---- */
.gradient-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  border: none;
  margin-block: 0;
}

/* ---- CODE / MONO ---- */
.mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85em;
}

/* ---- VIEW TRANSITIONS ---- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: fade-out 0.2s var(--ease-in); }
::view-transition-new(root) { animation: fade-in-page 0.3s var(--ease-out); }
@keyframes fade-out { to { opacity: 0; } }
@keyframes fade-in-page { from { opacity: 0; } }