/* =====================================================
   INSPECTAVIO - Design System
   Industrial-refined meets modern tech
   ===================================================== */

/* Fonts are self-hosted via ~/css/inspectavio/fonts.css */

/* =====================================================
   CSS Custom Properties
   ===================================================== */
:root {
  /* Navy Palette - The Authority */
  --navy-950: #0a0f1a;
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --navy-600: #475569;
  --navy-500: #64748b;
  --navy-100: #e2e8f0;

  /* Orange Palette - The Energy */
  --orange-700: #c2410c;
  --orange-600: #dc5f00;
  --orange-500: #f97316;
  --orange-400: #fb923c;
  --orange-300: #fdba74;
  --orange-200: #fed7aa;
  --orange-100: #ffedd5;
  --orange-50: #fff7ed;
  --orange-glow: rgba(249, 115, 22, 0.25);

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;

  /* Semantic Colors */
  --success: #10b981;
  --success-bg: #d1fae5;
  --warning: #f59e0b;
  --warning-bg: #fef3c7;
  --error: #ef4444;
  --error-bg: #fee2e2;
  --info: #3b82f6;
  --info-bg: #dbeafe;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Font Sizes - Modular Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  --text-8xl: 6rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --shadow-orange: 0 10px 40px -10px rgba(249, 115, 22, 0.4);
  --shadow-inner: inset 0 2px 4px 0 rgba(15, 23, 42, 0.05);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* =====================================================
   CSS Reset
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--navy-800);
  background-color: var(--white);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy-900);
}

/* =====================================================
   Utility Classes
   ===================================================== */

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-lg {
  max-width: 1440px;
}

.container-sm {
  max-width: 960px;
}

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Colors */
.text-navy { color: var(--navy-900); }
.text-navy-light { color: var(--navy-600); }
.text-orange { color: var(--orange-500); }
.text-white { color: var(--white); }
.text-muted { color: var(--gray-500); }
.bg-navy { background-color: var(--navy-900); }
.bg-orange { background-color: var(--orange-500); }
.bg-white { background-color: var(--white); }
.bg-gray { background-color: var(--gray-50); }

/* Spacing */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* =====================================================
   Component Classes
   ===================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-600) 100%);
  color: var(--white);
  box-shadow: var(--shadow-md), var(--shadow-orange);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 15px 50px -10px rgba(249, 115, 22, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--navy-900);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--navy-800);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border: 2px solid var(--navy-900);
}

.btn-outline:hover {
  background: var(--navy-900);
  color: var(--white);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--navy-900);
  border-color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--navy-700);
}

.btn-ghost:hover {
  background: var(--gray-100);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card-bordered {
  border: 1px solid var(--gray-200);
  box-shadow: none;
}

.card-hover {
  transition: all var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Form Elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--navy-700);
}

.form-label-required::after {
  content: ' *';
  color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

select.form-input:not([multiple]),
select.form-select:not([multiple]) {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 2.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M6 8l4 4 4-4' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px 16px;
}

select.form-input::-ms-expand,
select.form-select::-ms-expand {
  display: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px var(--orange-glow);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Toggle Switch */
.toggle {
  position: relative;
  width: 48px;
  height: 26px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--gray-300);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--white);
  border-radius: 50%;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle input:checked + .toggle-slider {
  background-color: var(--orange-500);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-error {
  background: var(--error-bg);
  color: var(--error);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
}

.badge-navy {
  background: var(--navy-100, #e2e8f0);
  color: var(--navy-700);
}

.badge-orange {
  background: var(--orange-200);
  color: var(--orange-600);
}

/* Avatar */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--gray-200);
}

.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 56px; height: 56px; }
.avatar-xl { width: 80px; height: 80px; }

/* Divider */
.divider {
  height: 1px;
  background: var(--gray-200);
  border: none;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--gray-200);
}

/* =====================================================
   Animation Keyframes
   ===================================================== */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Animation Utilities */
.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out forwards; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease-out forwards; }
.animate-slide-in-left { animation: slideInLeft 0.5s ease-out forwards; }
.animate-slide-in-right { animation: slideInRight 0.5s ease-out forwards; }
.animate-scale-in { animation: scaleIn 0.3s ease-out forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* Initially hidden for animations */
.animate-on-scroll {
  opacity: 0;
}

/* =====================================================
   Responsive Breakpoints
   ===================================================== */

@media (max-width: 1280px) {
  .container { max-width: 1024px; }
}

@media (max-width: 1024px) {
  .container { max-width: 768px; }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-6xl: 3rem;
    --text-7xl: 3.5rem;
    --text-8xl: 4rem;
  }

  .container {
    max-width: 100%;
    padding: 0 var(--space-4);
  }

  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }

  .md\:hidden { display: none; }
  .md\:flex { display: flex; }
  .md\:block { display: block; }
}

@media (max-width: 480px) {
  :root {
    --text-4xl: 1.875rem;
    --text-5xl: 2.25rem;
    --text-6xl: 2.5rem;
  }
}