/* ==========================================================================
   MILANO CREATIONS LLC — APPLE-GRADE LIGHT & DARK THEME SYSTEM
   Light Mode (Apple Pure Clean White & Slate) + Dark Mode (Apple Obsidian)
   ========================================================================== */

:root {
  /* LIGHT MODE (DEFAULT) — Pure Apple Aesthetics */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-card: #ffffff;
  --bg-card-hover: #fbfbfd;
  --bg-pill: #f5f5f7;
  --bg-header: rgba(255, 255, 255, 0.85);
  --bg-footer: #f5f5f7;
  --bg-input: #f5f5f7;
  
  --border-color: #e5e5ea;
  --border-hover: #c7c7cc;
  
  --text-heading: #1d1d1f;
  --text-primary: #1d1d1f;
  --text-secondary: #515154;
  --text-muted: #86868b;
  
  --apple-blue: #0071e3;
  --apple-blue-hover: #0077ed;
  --apple-blue-text: #0071e3;
  --apple-green: #28cd41;

  --gradient-hero: linear-gradient(180deg, #1d1d1f 0%, #6e6e73 100%);
  --font-system: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', sans-serif;
}

/* DARK MODE OVERRIDES */
[data-theme="dark"] {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0c;
  --bg-card: #121214;
  --bg-card-hover: #18181b;
  --bg-pill: #1c1c1e;
  --bg-header: rgba(0, 0, 0, 0.85);
  --bg-footer: #050507;
  --bg-input: #1c1c1e;
  
  --border-color: #232326;
  --border-hover: #38383e;
  
  --text-heading: #ffffff;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #86868b;
  
  --apple-blue: #0071e3;
  --apple-blue-hover: #0077ed;
  --apple-blue-text: #2997ff;
  --apple-green: #30d158;

  --gradient-hero: linear-gradient(180deg, #ffffff 0%, #86868b 100%);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-system);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Apple Keynote Text Gradient */
.hero-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Theme helper classes */
.theme-bg { background-color: var(--bg-primary); }
.theme-section-bg { background-color: var(--bg-secondary); }
.theme-card { background-color: var(--bg-card); }
.theme-pill-bg { background-color: var(--bg-pill); }
.theme-header-bg { background-color: var(--bg-header); }
.theme-footer-bg { background-color: var(--bg-footer); }
.theme-input-bg { background-color: var(--bg-input); }

.theme-border { border-color: var(--border-color); }
.theme-heading { color: var(--text-heading); }
.theme-text { color: var(--text-primary); }
.theme-text-secondary { color: var(--text-secondary); }
.theme-text-muted { color: var(--text-muted); }
.theme-accent-text { color: var(--apple-blue-text); }
.theme-brand-icon { color: var(--text-heading); }

/* Minimal Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Utility System */
.max-w-6xl { max-width: 72rem; margin-left: auto; margin-right: auto; }
.max-w-4xl { max-width: 56rem; margin-left: auto; margin-right: auto; }
.max-w-3xl { max-width: 48rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-xl { max-width: 36rem; }
.max-w-sm { max-width: 24rem; }

/* Grid & Flex */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-3\.5 { gap: 0.875rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-7 { gap: 1.75rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* Spacing */
.px-1\.5 { padding-left: 0.375rem; padding-right: 0.375rem; }
.px-2\.5 { padding-left: 0.625rem; padding-right: 0.625rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-32 { padding-top: 8rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-10 { padding-bottom: 2.5rem; }
.pb-20 { padding-bottom: 5rem; }
.pb-24 { padding-bottom: 6rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-1\.5 { padding: 0.375rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-7 { padding: 1.75rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }

.mb-0\.5 { margin-bottom: 0.125rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-1\.5 { margin-top: 0.375rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-2\.5 { margin-top: 0.625rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Responsive */
@media (min-width: 640px) {
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:p-10 { padding: 2.5rem; }
  .sm\:pt-40 { padding-top: 10rem; }
  .sm\:pb-28 { padding-bottom: 7rem; }
  .sm\:flex-row { flex-direction: row; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:inline-flex { display: inline-flex; }
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .sm\:text-5xl { font-size: 3rem; line-height: 1.1; }
  .sm\:text-6xl { font-size: 3.75rem; line-height: 1.08; }
  .sm\:w-auto { width: auto; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
}

@media (min-width: 1024px) {
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .lg\:col-span-5 { grid-column: span 5 / span 5; }
  .lg\:col-span-7 { grid-column: span 7 / span 7; }
  .lg\:text-7xl { font-size: 4.5rem; line-height: 1.05; }
}

/* Borders & Rounded */
.border { border-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; border-style: solid; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Text & Colors */
.text-white { color: #ffffff; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.uppercase { text-transform: uppercase; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

.text-\[10px\] { font-size: 0.625rem; }
.text-\[11px\] { font-size: 0.6875rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.hover\:underline:hover { text-decoration: underline; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.04); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }

/* Sizing */
.w-full { width: 100%; }
.h-1\.5 { height: 0.375rem; } .w-1\.5 { width: 0.375rem; }
.h-2 { height: 0.5rem; } .w-2 { width: 0.5rem; }
.h-4 { height: 1rem; } .w-4 { width: 1rem; }
.h-5 { height: 1.25rem; } .w-5 { width: 1.25rem; }
.h-14 { height: 3.5rem; }
.shrink-0 { flex-shrink: 0; }

/* Backdrop Blur */
.backdrop-blur-xl { backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }

/* Form Controls */
.form-input {
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.form-input:focus {
  border-color: var(--apple-blue);
  background-color: var(--bg-primary);
}

/* Modal Dialog */
.custom-modal {
  margin: auto;
  border: 1px solid var(--border-color);
}
.custom-modal::backdrop {
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sticky { position: sticky; }
.top-0 { top: 0; }
.z-10 { z-index: 10; }
.list-disc { list-style-type: disc; }
.pl-5 { padding-left: 1.25rem; }
.space-y-1 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.25rem; }
.space-y-1\.5 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.375rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-5 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.25rem; }

a, button {
  cursor: pointer;
  text-decoration: none;
}
button {
  background: none;
  border: none;
  font-family: inherit;
}

.hidden { display: none !important; }