/* ═══════════════════════════════════════════════════
   GLOBAL.CSS — Chase Pittman Portfolio
   Shared across all pages: theme variables, navbar,
   sidebar, overlay, theme toggle, spotify widget
═══════════════════════════════════════════════════ */

/* ── Google Fonts ───────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600;700&family=Poppins:wght@400;500;700&display=swap');


/* ══════════════════════════════════════════════════
   THEME VARIABLES
══════════════════════════════════════════════════ */

/* Dark mode (default) */
:root {
  --gold:          #c2a46d;
  --gold-dim:      rgba(194,164,109,.12);
  --gold-border:   rgba(194,164,109,.35);

  --bg-gradient:   radial-gradient(ellipse at center, #4a5660 0%, #384048 50%, #272e34 100%);
  --card-bg:       #2e3740;
  --navbar-bg:     #222;
  --navbar-scroll: rgba(26,26,26,0.97);
  --sidebar-bg:    #222;

  --text-primary:   #e0e0e0;
  --text-secondary: #9fb0bb;
  --text-nav:       #f4f4f4;
  --text-card-sub:  #c0cdd5;

  --toggle-bg:           rgba(255,255,255,.08);
  --toggle-border:       rgba(255,255,255,.15);
  --toggle-color:        #9fb0bb;
  --toggle-hover-bg:     rgba(255,255,255,.14);
  --toggle-hover-color:  #e0e0e0;

  --spotify-bg:    #1a1a1a;
  --sidebar-width: 260px;
}

/* Light mode */
[data-theme="light"] {
  --bg-gradient:   radial-gradient(ellipse at center, #dce8f0 0%, #c8d8e4 50%, #b8ccd8 100%);
  --card-bg:       rgba(255,255,255,0.55);
  --navbar-bg:     rgba(240,246,250,0.92);
  --navbar-scroll: rgba(225,235,243,0.97);
  --sidebar-bg:    rgba(240,246,250,0.97);

  --text-primary:   #1e2a32;
  --text-secondary: #4a6070;
  --text-nav:       #1e2a32;
  --text-card-sub:  #3a5060;

  --toggle-bg:           rgba(0,0,0,.06);
  --toggle-border:       rgba(0,0,0,.12);
  --toggle-color:        #4a6070;
  --toggle-hover-bg:     rgba(0,0,0,.1);
  --toggle-hover-color:  #1e2a32;

  --spotify-bg:    rgba(240,246,250,0.95);
}


/* ══════════════════════════════════════════════════
   BASE RESET
══════════════════════════════════════════════════ */

html { min-height: 100%; }

html, body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background .4s ease, color .3s ease;
}

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


/* ══════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════ */

.navbar {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  background: var(--navbar-bg);
  position: sticky;
  top: 0;
  z-index: 1400;
  box-shadow: 4px 0 12px rgba(0,0,0,.5);
  border-bottom: 1.5px solid transparent;
  transition: border-color .35s ease, background .35s ease, box-shadow .35s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Gold bottom border + bg tint on scroll — JS adds .scrolled */
.navbar.scrolled {
  border-bottom-color: var(--gold);
  background: var(--navbar-scroll);
  box-shadow: 0 2px 20px rgba(0,0,0,.6);
}

.nav-left { display: flex; align-items: center; gap: 12px; }

.logo-img { height: 36px; width: auto; }

.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  color: var(--text-nav);
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
  white-space: nowrap;
  transition: color .3s ease;
}

.logo-link {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: inherit;
}
.logo-link:hover { opacity: .9; }

.nav-right { margin-left: auto; display: flex; gap: 18px; align-items: center; }

.nav-right img {
  width: 26px; height: auto;
  opacity: .85;
  transition: opacity .2s, transform .2s;
}
.nav-right a:hover img { opacity: 1; transform: translateY(-2px); }

/* Light mode: tint nav icons */
[data-theme="light"] .nav-right img {
  filter: invert(1) sepia(1) saturate(0) brightness(0.3);
}
[data-theme="light"] .nav-right a:hover img {
  filter: invert(1) sepia(1) saturate(2) hue-rotate(5deg) brightness(0.55);
}
[data-theme="light"] .logo-img {
  filter: invert(1) sepia(1) saturate(0) brightness(0.15);
}


/* ══════════════════════════════════════════════════
   HAMBURGER
══════════════════════════════════════════════════ */

.hamburger {
  display: flex; flex-direction: column;
  width: 28px; height: 22px;
  justify-content: space-between;
  cursor: pointer; margin-right: 18px;
}

/* projects.html uses <span>, index/about/contact use <div> — style both */
.hamburger span,
.hamburger div {
  height: 2px; width: 100%;
  background: var(--text-nav);
  border-radius: 2px;
  transition: all .35s ease, background .3s ease;
  transform-origin: center;
  display: block;
}

/* span variant (projects) */
.hamburger.active span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* div variant (index / about / contact) */
.hamburger.active div:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.hamburger.active div:nth-child(2) { opacity: 0; }
.hamburger.active div:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }


/* ══════════════════════════════════════════════════
   SIDEBAR & OVERLAY
══════════════════════════════════════════════════ */

.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(10px);
  opacity: 0; pointer-events: none;
  transition: opacity .35s ease;
  z-index: 1050;
}
.overlay.active { opacity: 1; pointer-events: auto; }

.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-width); height: 100%;
  background: var(--sidebar-bg);
  display: flex; flex-direction: column;
  padding-top: 100px; gap: 20px;
  transform: translateX(-100%);
  transition: transform .45s cubic-bezier(.22,1,.36,1), background .3s ease;
  z-index: 1300;
  box-shadow: 20px 0 60px rgba(0,0,0,.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.sidebar.open { transform: translateX(0); }

.sidebar a {
  color: var(--text-primary);
  text-decoration: none;
  padding: 12px 24px;
  font-size: 18px;
  text-align: center;
  position: relative;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity .35s ease, transform .35s ease, background .25s, color .25s;
}
.sidebar.open a { opacity: 1; transform: translateX(0); }
.sidebar.open a:nth-child(1) { transition-delay: .08s; }
.sidebar.open a:nth-child(2) { transition-delay: .12s; }
.sidebar.open a:nth-child(3) { transition-delay: .16s; }
.sidebar.open a:nth-child(4) { transition-delay: .20s; }

.sidebar a:hover {
  background: var(--gold);
  color: #fff;
  border-radius: 6px;
  transform: translateX(6px);
}
.sidebar a::after {
  content: "";
  position: absolute; left: 6px; top: 50%;
  transform: translateY(-50%);
  height: 0%; width: 2px;
  background: var(--gold);
  transition: height .25s ease;
}
.sidebar a:hover::after { height: 70%; }


/* ══════════════════════════════════════════════════
   THEME TOGGLE  (bottom-left fixed button)
══════════════════════════════════════════════════ */

.theme-toggle {
  position: fixed;
  bottom: 20px; left: 20px;
  z-index: 900;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  color: var(--toggle-color);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .25s, border-color .25s, color .25s, transform .2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.theme-toggle:hover {
  background: var(--toggle-hover-bg);
  color: var(--toggle-hover-color);
  transform: translateY(-2px);
}

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
.theme-toggle svg { width: 16px; height: 16px; }


/* ══════════════════════════════════════════════════
   SPOTIFY WIDGET  (bottom-right, all pages)
══════════════════════════════════════════════════ */

.spotify-widget {
  position: fixed; bottom: 20px; right: 20px;
  width: 340px;
  background: var(--spotify-bg);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,.6);
  overflow: visible; padding: 16px;
  z-index: 900;
  opacity: 0; transform: translateY(10px);
  pointer-events: none;
  transition: width .5s, right .5s, border-radius .5s,
              opacity .6s, transform .6s, background .3s;
}
.spotify-widget.visible  { opacity: 1; transform: translateY(0); pointer-events: auto; }
.spotify-widget.hidden   { right: -380px; opacity: 0; }

.spotify-widget iframe {
  width: 100%; height: 80px;
  border-radius: 12px; display: block; border: none;
}

#spotify-toggle {
  position: absolute; top: 50%; left: -16px;
  transform: translateY(-50%);
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--navbar-bg);
  color: var(--text-nav);
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  padding: 0; cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  z-index: 1000; border: none;
  transition: transform .3s, background .3s, color .3s;
}
#spotify-toggle:hover { transform: translateY(-50%) scale(1.1); }

.spotify-widget.collapsed {
  width: 40px; height: 40px;
  padding: 0; border-radius: 50%; overflow: visible;
}
.spotify-widget.collapsed iframe {
  opacity: 0; pointer-events: none; display: none;
}
.spotify-widget.collapsed #spotify-toggle {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(180deg);
}
.spotify-widget.collapsed #spotify-toggle:hover {
  transform: translate(-50%, -50%) rotate(180deg) scale(1.1);
}


/* ══════════════════════════════════════════════════
   PAGE WRAPPER
══════════════════════════════════════════════════ */

.page-wrapper { transition: transform .4s ease, filter .4s ease; }


/* ══════════════════════════════════════════════════
   CARD / SECTION BOX  (shared base)
══════════════════════════════════════════════════ */

.section-box {
  background: var(--card-bg);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}

[data-theme="light"] .section-box {
  border-color: rgba(255,255,255,0.6);
  box-shadow: 0 4px 24px rgba(100,140,160,.10);
}


/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .logo { display: none; }
}