@import "tailwindcss";

/* ============================================
   MANOONOILS DESIGN SYSTEM
   Tailwind 4 compatible - uses CSS layers
   ============================================ */

@theme inline {
  /* Colors - reference CSS variables */
  --color-white: var(--color-white);
  --color-background: var(--color-background);
  --color-background-alt: var(--color-background-alt);
  --color-foreground: var(--color-foreground);
  --color-foreground-muted: var(--color-foreground-muted);
  --color-foreground-subtle: var(--color-foreground-subtle);
  --color-accent: var(--color-accent);
  --color-accent-dark: var(--color-accent-dark);
  --color-accent-blue: var(--color-accent-blue);
  --color-gold: var(--color-gold);
  --color-gold-light: var(--color-gold-light);
  --color-border: var(--color-border);
  --color-border-dark: var(--color-border-dark);
  --color-cta: var(--color-cta);
  --color-cta-hover: var(--color-cta-hover);
  --color-overlay: var(--color-overlay);
  
  /* Typography */
  --font-display: var(--font-display);
  --font-body: var(--font-body);
}

/* ============================================
   CSS VARIABLES
   ============================================ */

:root {
  --color-white: #ffffff;
  --color-background: #fafafa;
  --color-background-alt: #f5f5f5;
  --color-foreground: #1a1a1a;
  --color-foreground-muted: #666666;
  --color-foreground-subtle: #999999;
  
  --color-accent: #e8f0f5;
  --color-accent-dark: #a8c5d8;
  --color-accent-blue: #e8f0f5;
  --color-gold: #c9a962;
  --color-gold-light: #d4b978;
  
  --color-border: #e5e5e5;
  --color-border-dark: #d1d1d1;
  --color-cta: #000000;
  --color-cta-hover: #333333;
  --color-overlay: rgba(0, 0, 0, 0.4);
  
  --font-display: 'DM Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ============================================
   FONT IMPORTS
   ============================================ */

@font-face {
  font-family: 'DM Sans';
  src: url('https://fonts.gstatic.com/s/dmsans/v15/rP2tp2ywxg089UriI5-g4vlH9VoD8CmcqZG40F9JadbnoEwAopxhS2f3ZGMZpg.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('https://fonts.gstatic.com/s/inter/v18/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hjp-Ek-_EeA.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
}

/* ============================================
   BASE STYLES (in Tailwind base layer)
   ============================================ */

@layer base {
  html {
    scroll-behavior: smooth;
  }
  
  body {
    background: var(--color-background);
    color: var(--color-foreground);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
  }
  
  h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
  }
  
  h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
  }
  
  h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
  }
  
  input, textarea, select {
    font-family: var(--font-body);
    font-size: 16px;
  }
  
  input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-foreground);
  }
  
  :focus-visible {
    outline: 2px solid var(--color-foreground);
    outline-offset: 2px;
  }
}

/* ============================================
   COMPONENTS
   ============================================ */

@layer components {
  .container {
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  
  @media (min-width: 640px) {
    .container {
      padding-left: 32px;
      padding-right: 32px;
    }
  }
  
  @media (min-width: 1024px) {
    .container {
      padding-left: 48px;
      padding-right: 48px;
    }
  }
  
  .container-narrow {
    max-width: 1200px;
  }
  
  .container-wide {
    max-width: 1600px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
  }
  
  .btn-primary {
    background: var(--color-cta);
    color: var(--color-white);
  }
  
  .btn-primary:hover {
    background: var(--color-cta-hover);
  }
  
  .btn-secondary {
    background: transparent;
    color: var(--color-foreground);
    border: 1px solid var(--color-border-dark);
  }
  
  .btn-secondary:hover {
    background: var(--color-foreground);
    color: var(--color-white);
    border-color: var(--color-foreground);
  }
  
  .link-underline {
    position: relative;
    text-decoration: none;
  }
  
  .link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width var(--transition-base);
  }
  
  .link-underline:hover::after {
    width: 100%;
  }
  
  .text-display {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: -0.02em;
  }
  
  .text-body {
    font-family: var(--font-body);
  }
  
  .text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .text-caption {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
  }
  
  .text-muted {
    color: var(--color-foreground-muted);
  }
  
  .text-subtle {
    color: var(--color-foreground-subtle);
  }
  
  .flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ============================================
   UTILITIES
   ============================================ */

@layer utilities {
  .section {
    padding-top: 96px;
    padding-bottom: 96px;
  }
  
  .section-sm {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  
  ::-webkit-scrollbar {
    width: 8px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--color-background-alt);
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--color-border-dark);
    border-radius: 4px;
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--color-foreground-muted);
  }
  
  .animate-fade-in {
    animation: fadeIn var(--transition-slow) forwards;
  }
  
  .animate-slide-up {
    animation: slideUp var(--transition-slow) forwards;
  }
  
  .animate-slide-in-right {
    animation: slideInRight var(--transition-slow) forwards;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
  }
  
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  
  .animate-marquee {
    animation: marquee 25s linear infinite;
  }
  
  .animate-marquee-slow {
    animation: marquee 35s linear infinite;
  }
  
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */

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