/* ==========================================================================
   ARDENA RESIDENCES — LUXURY ARCHITECTURAL DESIGN SYSTEM
   Concept: "LIVE BEYOND A HOUSE"
   Tone: MODERN — WARM — PREMIUM — CALM — ASPIRATIONAL — TRUSTWORTHY
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  /* --- Primary Architectural Palette (Warm & Natural) --- */
  --bg-warm-white: #FAF8F5;
  --bg-warm-white-pure: #FFFFFF;
  --bg-cream: #F3EFE9;
  --bg-cream-card: #EBE5DC;
  --bg-soft-beige: #E2DBD0;
  --bg-stone-subtle: #D8D0C3;

  /* --- Deep Contrast & Dark Surfaces (Natural Stone & Night) --- */
  --bg-stone-dark: #16181B;
  --bg-stone-darker: #0E1012;
  --bg-stone-charcoal: #21252B;
  --bg-stone-card: #1D2026;

  /* --- Secondary Architectural Greens (Nature & Forest Sanctuary) --- */
  --green-deep-forest: #14241B;
  --green-forest-mid: #1B3125;
  --green-forest-card: #203A2C;
  --green-olive: #485A4A;
  --green-olive-light: #627A65;
  --green-sage-soft: #E4EBE4;
  --green-sage-tint: rgba(32, 58, 44, 0.08);

  /* --- Accent Colors (Warm Terracotta & Muted Gold) --- */
  --accent-terracotta: #C86D51;
  --accent-terracotta-hover: #D87A5D;
  --accent-terracotta-soft: rgba(200, 109, 81, 0.12);
  --accent-terracotta-glow: rgba(200, 109, 81, 0.35);

  --accent-gold: #C5A880;
  --accent-gold-light: #D9C3A3;
  --accent-gold-soft: rgba(197, 168, 128, 0.15);
  --accent-gold-glow: rgba(197, 168, 128, 0.35);

  /* --- Typography Colors --- */
  --text-primary: #17191C;
  --text-secondary: #525862;
  --text-muted: #7E8590;
  --text-light: #FAF8F5;
  --text-light-muted: #A6ADB8;
  --text-light-dim: #717782;

  /* --- Hairlines, Borders & Dividers --- */
  --border-light: rgba(23, 25, 28, 0.08);
  --border-light-medium: rgba(23, 25, 28, 0.15);
  --border-light-strong: rgba(23, 25, 28, 0.28);
  --border-dark: rgba(250, 248, 245, 0.10);
  --border-dark-medium: rgba(250, 248, 245, 0.18);
  --border-dark-strong: rgba(250, 248, 245, 0.32);

  /* --- Typography Hierarchy --- */
  --font-display: 'Cinzel', serif;
  --font-editorial: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-specs: 'Space Grotesk', monospace, sans-serif;

  /* --- Spacing Scale --- */
  --space-unit: 8px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 104px;
  --space-3xl: 160px;

  /* --- Container & Grids --- */
  --container-max: 1600px;
  --container-narrow: 1240px;
  --container-padding: clamp(20px, 4.5vw, 64px);

  /* --- Curves & Elevation --- */
  --radius-xs: 2px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 12px 32px rgba(22, 24, 27, 0.08);
  --shadow-elevated: 0 24px 54px rgba(22, 24, 27, 0.14);
  --shadow-dark: 0 20px 48px rgba(0, 0, 0, 0.45);

  /* --- Transitions & Timing --- */
  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.22s var(--ease-cinematic);
  --transition-normal: 0.45s var(--ease-cinematic);
  --transition-slow: 0.85s var(--ease-cinematic);
}

/* Base Reset & Global Rules */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: initial; /* Handled smoothly by Lenis */
  background-color: var(--bg-warm-white);
  color: var(--text-primary);
  font-family: var(--font-editorial);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-warm-white);
  color: var(--text-primary);
  line-height: 1.65;
  font-weight: 400;
}

/* Subtle Organic Paper Grain Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(23, 25, 28, 0.02) 1px, transparent 0);
  background-size: 32px 32px;
  opacity: 0.65;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.font-editorial-heading {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

p {
  font-family: var(--font-editorial);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section Header Typography */
.section-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-specs);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-terracotta);
  margin-bottom: 14px;
}

.section-meta-tag .tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-terracotta);
}

.section-meta-tag.gold {
  color: var(--accent-gold);
}
.section-meta-tag.gold .tag-dot {
  background-color: var(--accent-gold);
}

.section-meta-tag.forest {
  color: var(--green-olive);
}
.section-meta-tag.forest .tag-dot {
  background-color: var(--green-olive);
}

.section-title-large {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-subtitle {
  font-family: var(--font-editorial);
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 680px;
}

/* Button & CTA System */
.btn-ardena-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: var(--green-deep-forest);
  color: var(--bg-warm-white);
  padding: 16px 34px;
  font-family: var(--font-editorial);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-xs);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  border: 1px solid var(--green-deep-forest);
  position: relative;
  overflow: hidden;
}

.btn-ardena-primary:hover {
  background-color: var(--green-forest-mid);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(20, 36, 27, 0.25);
}

.btn-ardena-terracotta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: var(--accent-terracotta);
  color: #FFFFFF;
  padding: 16px 34px;
  font-family: var(--font-editorial);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-xs);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  border: 1px solid var(--accent-terracotta);
}

.btn-ardena-terracotta:hover {
  background-color: var(--accent-terracotta-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px var(--accent-terracotta-glow);
}

.btn-ardena-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: transparent;
  color: var(--text-primary);
  padding: 15px 32px;
  font-family: var(--font-editorial);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-light-strong);
  border-radius: var(--radius-xs);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-ardena-secondary:hover {
  background-color: rgba(23, 25, 28, 0.04);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-ardena-ghost-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(250, 248, 245, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--bg-warm-white);
  padding: 15px 30px;
  font-family: var(--font-editorial);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-dark-medium);
  border-radius: var(--radius-xs);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-ardena-ghost-light:hover {
  background: rgba(250, 248, 245, 0.22);
  border-color: var(--bg-warm-white);
  transform: translateY(-2px);
}

.btn-text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-specs);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--accent-terracotta);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--transition-fast), gap var(--transition-fast);
}

.btn-text-link:hover {
  border-bottom-color: var(--accent-terracotta);
  gap: 12px;
}

/* Hairline Dividers */
.hairline-bottom {
  border-bottom: 1px solid var(--border-light);
}

.hairline-top {
  border-top: 1px solid var(--border-light);
}

.hairline-bottom-dark {
  border-bottom: 1px solid var(--border-dark);
}

/* Theme Section Wrappers */
.section-theme-cream {
  background-color: var(--bg-cream);
  color: var(--text-primary);
}

.section-theme-dark {
  background-color: var(--bg-stone-dark);
  color: var(--text-light);
}

.section-theme-forest {
  background-color: var(--green-deep-forest);
  color: var(--text-light);
}

.section-theme-warm-white {
  background-color: var(--bg-warm-white);
  color: var(--text-primary);
}

/* Custom Interactive Cursor */
.ardena-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background-color: var(--accent-terracotta);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.ardena-cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(200, 109, 81, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), height 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, background-color 0.25s ease;
}

.ardena-cursor.active {
  transform: translate(-50%, -50%) scale(0.5);
}

.ardena-cursor-follower.active {
  width: 64px;
  height: 64px;
  border-color: var(--accent-terracotta);
  background-color: rgba(200, 109, 81, 0.08);
}

@media (pointer: coarse) {
  .ardena-cursor,
  .ardena-cursor-follower {
    display: none !important;
  }
}