/* MISO Design System — Editorial dark theme
   Warm-zinc palette, terracotta accent, glass surfaces. */

:root {
  /* Base — warm-zinc, slightly warmer than neutral black to harmonize with terracotta */
  --bg:               #15110E;
  --bg-elev:          #1F1A16;
  --bg-elev-2:        #2A241F;
  --bg-card:          #16141200;     /* transparent for layered glass */
  --border:           #3A322B;
  --border-subtle:    #2A241F;

  --ink:              #F5F1EA;
  --ink-secondary:    #A39B8F;
  --ink-muted:        #6B645E;

  /* Brand */
  --accent:           #E86A4D;
  --accent-hover:     #F47D5F;
  --accent-soft:      rgba(232, 106, 77, 0.12);
  --accent-glow:      rgba(232, 106, 77, 0.18);

  --success:          #7AAC5A;
  --danger:           #D86A5A;
  --overlay:          rgba(0, 0, 0, 0.65);

  /* Legacy alias names kept so existing markup keeps working */
  --color-bg:           var(--bg);
  --color-bg-elev:      var(--bg-elev);
  --color-ink:          var(--ink);
  --color-ink-muted:    var(--ink-secondary);
  --color-line:         var(--border);
  --color-accent:       var(--accent);
  --color-accent-hover: var(--accent-hover);
  --color-success:      var(--success);
  --color-danger:       var(--danger);
  --color-overlay:      var(--overlay);

  --shadow-sm:  0 1px 2px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.40), 0 2px 6px rgba(0,0,0,0.30);
  --shadow-lg:  0 24px 60px rgba(0,0,0,0.55), 0 8px 16px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 0 1px var(--accent-soft), 0 12px 32px rgba(232,106,77,0.18);

  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast:   150ms;
  --dur-base:   280ms;
  --dur-slow:   480ms;
  --dur-page:   700ms;

  color-scheme: dark;
}

/* Resets */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle global texture — adds depth without noise */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 0%, rgba(232,106,77,0.08) 0%, transparent 45%),
    radial-gradient(circle at 80% 100%, rgba(99,84,72,0.06) 0%, transparent 50%);
}
body > * { position: relative; z-index: 1; }

/* Typography */
.font-display {
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'SOFT' 50, 'opsz' auto;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.font-body  { font-family: 'Inter', system-ui, sans-serif; }
.font-mono  { font-family: 'JetBrains Mono', ui-monospace, monospace; }

.eyebrow {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* Headline gradient (use sparingly on hero/section heads) */
.text-gradient {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-accent-gradient {
  background: linear-gradient(135deg, var(--accent) 0%, #E89B6D 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glass nav */
.nav-glass {
  background: rgba(21, 17, 14, 0.72);
  backdrop-filter: saturate(140%) blur(20px);
  -webkit-backdrop-filter: saturate(140%) blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-glass.scrolled { border-bottom-color: var(--border); background: rgba(21,17,14,0.88); }

/* Hero radial glow + grid */
.hero-glow::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 90vw);
  height: 700px;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,106,77,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,106,77,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 20%, transparent 80%);
          mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 20%, transparent 80%);
  animation: gridDrift 24s linear infinite;
  pointer-events: none;
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to   { background-position: 64px 64px; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(232,106,77,0.30), 0 0 0 1px rgba(255,255,255,0.04) inset;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 12px 32px rgba(232,106,77,0.42), 0 0 0 1px rgba(255,255,255,0.06) inset; }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-elev); border-color: var(--accent); color: var(--accent); }

/* Link underline */
.link-underline {
  position: relative;
  text-decoration: none;
}
.link-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--ease-out);
}
.link-underline:hover::after { transform: scaleX(1); }

/* Card */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base);
}
.card:hover {
  border-color: var(--border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card-glow:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

/* Compatibility shims for old class names */
.bg-white { background-color: var(--bg-elev) !important; }
.bg-cream { background-color: var(--bg) !important; }
.bg-cream\/95 { background-color: rgba(11,10,9,0.85) !important; }
.text-ink { color: var(--ink) !important; }
.text-ink-muted { color: var(--ink-secondary) !important; }
.border-line { border-color: var(--border) !important; }

/* Inputs */
input, textarea, select { color-scheme: dark; }
.input {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 0.85rem 1rem;
  border-radius: 10px;
  font-size: 14px;
  font-family: 'Inter', system-ui, sans-serif;
  outline: none;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.input::placeholder { color: var(--ink-muted); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* Floating label (kept for contact form back-compat) */
.float-group { position: relative; }
.float-group input,
.float-group textarea,
.float-group select {
  width: 100%;
  padding: 22px 16px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--ink);
  font-size: 15px;
  font-family: 'Inter', system-ui, sans-serif;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
  outline: none;
}
.float-group input:focus,
.float-group textarea:focus,
.float-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.float-group label {
  position: absolute;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 14px;
  pointer-events: none;
  transition: all var(--dur-base) var(--ease-out);
}
.float-group input:focus ~ label,
.float-group input:not(:placeholder-shown) ~ label,
.float-group textarea:focus ~ label,
.float-group textarea:not(:placeholder-shown) ~ label {
  top: 12px;
  transform: translateY(0);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
}

/* Skeleton */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--bg-elev) 25%, var(--bg-elev-2) 50%, var(--bg-elev) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 6px;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Stagger helpers */
.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 80ms; }
.stagger-3 { transition-delay: 160ms; }
.stagger-4 { transition-delay: 240ms; }
.stagger-5 { transition-delay: 320ms; }

/* Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #E89B6D);
  z-index: 200;
  transition: width 80ms linear;
}

/* Toast */
@keyframes toast-in { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes toast-out { to { transform: translateY(20px); opacity: 0; } }
.toast-enter { animation: toast-in 250ms var(--ease-out) forwards; }
.toast-exit { animation: toast-out 250ms var(--ease-out) forwards; }

/* Selection */
::selection { background: var(--accent); color: #fff; }

/* Locked images — block drag, save, and tap-and-hold */
.no-save img, img.no-save {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-touch-callout: none;
  pointer-events: auto;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-elev-2); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* Btn press shim (legacy) */
.btn-press { transition: transform var(--dur-fast) var(--ease-out); }
.btn-press:hover { transform: translateY(-1px); }
.btn-press:active { transform: translateY(0) scale(0.98); }

/* Card hover legacy alias */
.card-hover {
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base), box-shadow var(--dur-base);
  border: 1px solid var(--border-subtle);
}
.card-hover:hover { transform: translateY(-2px); border-color: var(--border); box-shadow: var(--shadow-md); }

/* Drawer (legacy) */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: var(--overlay);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  pointer-events: none;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer-panel {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 51;
  width: 100%; max-width: 480px;
  background: var(--bg-elev);
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
  overflow-y: auto;
}
.drawer-panel.open { transform: translateX(0); }