/* =============================================
   COMPONENTS — "MONOCHROME & BONE"
   $100M Global Institutional Standard
   ============================================= */

/* =============================================
   NOISE TEXTURE OVERLAY
   Kills the "flat plastic" look of screens
   ============================================= */
.noise-overlay::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.012;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* =============================================
   SLOW-GATE REVEAL
   Elements emerge with staggered opacity fade
   ============================================= */
.reveal {
  opacity: 0;
  transition: opacity var(--duration-reveal) var(--ease-reveal);
}
.reveal.visible {
  opacity: 1;
}

/* Staggered delays for slow-gate effect */
.reveal-d1 { transition-delay: 100ms; }
.reveal-d2 { transition-delay: 200ms; }
.reveal-d3 { transition-delay: 300ms; }
.reveal-d4 { transition-delay: 400ms; }
.reveal-d5 { transition-delay: 500ms; }
.reveal-d6 { transition-delay: 600ms; }
.reveal-d7 { transition-delay: 700ms; }
.reveal-d8 { transition-delay: 800ms; }
.reveal-d9 { transition-delay: 900ms; }
.reveal-d10 { transition-delay: 1000ms; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slowReveal {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* =============================================
   LABEL — Precision Data Typography
   IBM Plex Mono, 10px, wide tracking
   ============================================= */
.label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-50);
}
.label--accent {
  color: var(--bronze);
}
.label--highlight {
  color: var(--bronze);
}

/* =============================================
   BUTTONS — Architectural, Minimal
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 18px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
}
.btn:hover {
  border-color: var(--ink-30);
  background: var(--ink-04);
}
.btn-arrow {
  transition: transform var(--duration-normal) var(--ease-smooth);
}
.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Primary: Bronze Patina (use sparingly) */
.btn--primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bone);
}
.btn--primary:hover {
  background: var(--ink-90);
  border-color: var(--ink-90);
}

/* Bronze accent for critical actions only */
.btn--bronze {
  background: var(--bronze);
  border-color: var(--bronze);
  color: white;
}
.btn--bronze:hover {
  background: var(--bronze-light);
  border-color: var(--bronze-light);
  box-shadow: var(--shadow-bronze-glow);
}

/* =============================================
   FORMS — Sharp, Architectural
   ============================================= */
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-50);
  margin-bottom: 10px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background: white;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  outline: none;
  transition: border-color var(--duration-normal) var(--ease-smooth);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--ink-30);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--ink-30);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23080808' stroke-width='1' fill='none' opacity='0.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
}
.form-select option {
  background: white;
  color: var(--ink);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-submit {
  width: 100%;
  padding: 18px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 8px;
  transition: all var(--duration-normal) var(--ease-smooth);
}
.form-submit:hover {
  background: var(--ink-90);
}
.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-50);
  margin-top: 28px;
  line-height: 1.8;
}

/* =============================================
   CARDS — Architectural, Hairline Borders
   ============================================= */
.card {
  background: white;
  border-radius: var(--radius-sm);
  padding: 40px;
  border: 1px solid var(--hairline);
  transition: border-color var(--duration-normal) var(--ease-smooth);
}
.card:hover {
  border-color: var(--hairline-dark);
}

/* =============================================
   DARK SECTION FORM OVERRIDES
   ============================================= */
.section--dark .form-label {
  color: var(--bone-deep);
}
.section--dark .form-input,
.section--dark .form-select,
.section--dark .form-textarea {
  border: 1px solid var(--ink-30);
  background: var(--ink-04);
  color: var(--bone);
}
.section--dark .form-input:focus,
.section--dark .form-select:focus,
.section--dark .form-textarea:focus {
  border-color: var(--ink-50);
}
.section--dark .form-input::placeholder,
.section--dark .form-textarea::placeholder {
  color: var(--bone-deep);
}
.section--dark .form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23EFEFE9' stroke-width='1' fill='none' opacity='0.4'/%3E%3C/svg%3E");
}
.section--dark .form-select option {
  background: var(--ink);
  color: var(--bone);
}
.section--dark .form-note {
  color: var(--bone-deep);
}
.section--dark .form-submit {
  background: var(--bone);
  border-color: var(--bone);
  color: var(--ink);
}
.section--dark .form-submit:hover {
  background: var(--bone-warm);
}

/* =============================================
   DARK SECTION BASE STYLES
   ============================================= */
.section--dark {
  background: var(--ink);
  color: var(--bone);
}

/* =============================================
   GALLERY BONE BACKGROUND
   High-end museum wall with subtle warmth
   ============================================= */
.bone-bg {
  background-color: var(--bone);
}

/* =============================================
   ARCHITECTURAL UTILITIES
   ============================================= */
.hairline-top { border-top: 1px solid var(--hairline); }
.hairline-bottom { border-bottom: 1px solid var(--hairline); }
.hairline-left { border-left: 1px solid var(--hairline); }
.hairline-right { border-right: 1px solid var(--hairline); }
.hairline-all { border: 1px solid var(--hairline); }

/* Sharp radius only */
.radius-none { border-radius: 0; }
.radius-sm { border-radius: var(--radius-sm); }