/* ========================================
   Editorial Design System - Serif Style
   ======================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Source+Sans+3:wght@400;500;600&display=swap');

/* ========================================
   DESIGN TOKEN SYSTEM
   ======================================== */

:root {
  /* Color System */
  --background: #FAFAF8;           /* Ivory - warm premium background */
  --foreground: #1A1A1A;           /* Rich black - primary text */
  --muted: #F5F3F0;                /* Secondary surfaces */
  --muted-foreground: #6B6B6B;    /* Warm gray - secondary text */
  --accent: #B8860B;               /* Burnished gold - primary accent */
  --accent-secondary: #D4A84B;     /* Lighter gold - gradients/hover */
  --accent-foreground: #FFFFFF;    /* Text on accent backgrounds */
  --border: #E8E4DF;              /* Warm gray - borders and rules */
  --card: #FFFFFF;                 /* White - card surfaces */
  --ring: #B8860B;                 /* Focus rings - matches accent */
  --input: #E8E4DF;                /* Input borders */
  --border-hover: #D4CFC6;         /* Hover border color */

  /* Typography System */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing System */
  --section-padding: 8rem;         /* py-32 equivalent */
  --section-padding-large: 11rem;   /* py-44 equivalent */
  --container-max-width: 64rem;    /* max-w-5xl equivalent */
  --component-gap: 2rem;           /* gap-8 equivalent */

  /* Border Radius */
  --radius-sm: 4px;                /* rounded-sm */
  --radius-md: 6px;                /* rounded-md */
  --radius-lg: 8px;                /* rounded-lg */

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
  --shadow-md: 0 4px 12px rgba(26, 26, 26, 0.06);
  --shadow-lg: 0 8px 24px rgba(26, 26, 26, 0.08);
  --shadow-accent: 0 4px 12px rgba(184, 134, 11, 0.15);

  /* Transitions */
  --transition-base: all 200ms ease-out;
  --transition-subtle: all 150ms ease-out;
}

/* ========================================
   GLOBAL BASE STYLES
   ======================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.75; /* Relaxed reading line height */
  color: var(--foreground);
  background-color: var(--background);
  /* Subtle paper texture overlay */
  position: relative;
  letter-spacing: 0.01em; /* Slight positive tracking */
}

/* Paper Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
}

/* Ambient Glow */
body::after {
  content: '';
  position: fixed;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.02;
  pointer-events: none;
  z-index: 0;
}

/* Content sits above overlays */
main, .container {
  position: relative;
  z-index: 2;
}

/* ========================================
   TYPOGRAPHY SYSTEM
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--foreground);
  letter-spacing: -0.01em; /* Slight negative tracking for headlines */
}

h1 {
  font-size: 4.5rem; /* 7xl equivalent */
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem; /* 4xl equivalent */
  line-height: 1.2;
}

h3 {
  font-size: 1.75rem; /* 3xl equivalent */
  font-weight: 500;
}

h4 {
  font-size: 1.5rem; /* 2xl equivalent */
  font-weight: 500;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.75;
}

/* Mobile responsive typography */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem; /* text-[2.5rem] equivalent */
  }

  h2 {
    font-size: 2rem;
  }
}

/* ========================================
   SMALL CAPS UTILITIES
   ======================================== */

.small-caps {
  font-family: var(--font-mono);
  font-size: 0.75rem; /* 12px */
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding) 0;
}

.section-large {
  padding: var(--section-padding-large) 0;
}

.text-center {
  text-align: center;
}

/* ========================================
   BUTTONS (Editorial Style)
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-base);
  border-radius: var(--radius-md);
  min-height: 44px; /* Accessibility requirement */
  touch-manipulation; /* Better mobile interaction */
  letter-spacing: 0.05em;
  border: 2px solid transparent;
}

/* Primary Button */
.btn-primary {
  background-color: var(--accent);
  color: var(--accent-foreground);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent);
  color: #cc0000; /* Red color on hover */
  box-shadow: var(--shadow-accent);
  transform: translateY(-0.5px);
}

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

/* Secondary/Outline Button */
.btn-secondary {
  background-color: transparent;
  color: var(--foreground);
  border: 1px solid var(--foreground);
}

.btn-secondary:hover {
  background-color: var(--muted);
  border-color: var(--accent);
  color: var(--accent);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--muted-foreground);
  border: none;
  text-decoration: none;
}

.btn-ghost:hover {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

/* Button Sizes */
.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ========================================
   CARDS (Editorial Style)
   ======================================== */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
  background-color: rgba(245, 243, 240, 0.3); /* muted/30 equivalent */
}

/* Elevated Card */
.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-elevated:hover {
  box-shadow: var(--shadow-lg);
}

/* Featured Card */
.card-featured {
  background-color: rgba(184, 134, 11, 0.06); /* accent-muted at 6% */
  border-top: 2px solid var(--accent);
}

/* ========================================
   RULE LINES SYSTEM
   ======================================== */

.rule {
  border: none;
  height: 1px;
  background-color: var(--border);
  margin: 2rem 0;
}

.rule-thin {
  height: 1px;
  background-color: var(--border);
}

.section-divider {
  width: 100%;
  height: 1px;
  background-color: var(--border);
  margin: 3rem 0;
}

/* ========================================
   INPUTS (Editorial Style)
   ======================================== */

input[type="email"],
input[type="text"],
input[type="tel"],
textarea {
  width: 100%;
  height: 3rem; /* 44px minimum for accessibility */
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: transparent;
  border: 1px solid var(--input);
  border-radius: var(--radius-md);
  color: var(--foreground);
  transition: var(--transition-subtle);
  letter-spacing: 0.01em;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted-foreground);
  opacity: 0.6;
}

input:hover,
textarea:hover {
  border-color: var(--border-hover);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--ring); /* ring-2 ring-offset-2 equivalent */
}

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

/* ========================================
   SECTION LABELS
   ======================================== */

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-label::before,
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border);
}

.section-label-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Text Colors */
.text-foreground { color: var(--foreground); }
.text-muted-foreground { color: var(--muted-foreground); }
.text-accent { color: var(--accent); }

/* Background Colors */
.bg-background { background-color: var(--background); }
.bg-card { background-color: var(--card); }
.bg-muted { background-color: var(--muted); }

/* Spacing */
.py-section { padding-top: var(--section-padding); padding-bottom: var(--section-padding); }
.py-section-large { padding-top: var(--section-padding-large); padding-bottom: var(--section-padding-large); }

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

@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 768px) {
  .show-mobile {
    display: none;
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* ========================================
   SPECIAL TYPOGRAPHIC ELEMENTS
   ======================================== */

/* Large Display Numbers */
.display-number {
  font-family: var(--font-display);
  font-size: 3.5rem; /* 5xl equivalent */
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .display-number {
    font-size: 2.5rem; /* text-4xl equivalent */
  }
}

/* Pull Quote Style */
.pull-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--foreground);
  line-height: 1.4;
  padding: 2rem 0;
  position: relative;
}

.pull-quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--accent);
  position: absolute;
  top: 0;
  left: -1rem;
  opacity: 0.3;
  font-family: var(--font-display);
}