/* ============================================================
   MERIDIAN ESTATES — GLOBAL STYLES
   Layout · Utilities · Animations · Scroll Effects
   ============================================================ */

/* ── LAYOUT CONTAINERS ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}
.container--wide {
  max-width: var(--container-wide);
}
.container--narrow {
  max-width: var(--container-narrow);
}
.container--xs {
  max-width: var(--container-xs);
}
.container--full {
  width: 100%;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

/* ── SECTION STRUCTURE ─────────────────────────────────────── */
.section {
  position: relative;
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}
.section--sm {
  padding-top: var(--section-py-sm);
  padding-bottom: var(--section-py-sm);
}
.section--lg {
  padding-top: var(--section-py-lg);
  padding-bottom: var(--section-py-lg);
}
.section--xl {
  padding-top: var(--section-py-xl);
  padding-bottom: var(--section-py-xl);
}
.section--dark { background: var(--luxury-black); }
.section--navy { background: var(--midnight-navy); }
.section--slate { background: var(--deep-slate); }
.section--light {
  background: var(--warm-white);
  color: var(--luxury-black);
}
.section--sand {
  background: var(--soft-sand);
  color: var(--luxury-black);
}

/* ── GRID SYSTEM ───────────────────────────────────────────── */
.grid { display: grid; }
.grid-2  { grid-template-columns: repeat(2, 1fr); }
.grid-3  { grid-template-columns: repeat(3, 1fr); }
.grid-4  { grid-template-columns: repeat(4, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }

.grid-gap-sm  { gap: var(--space-4); }
.grid-gap-md  { gap: var(--space-6); }
.grid-gap-lg  { gap: var(--space-8); }
.grid-gap-xl  { gap: var(--space-12); }
.grid-gap-2xl { gap: var(--space-16); }

/* Asymmetric layouts */
.grid-7-5 { grid-template-columns: 7fr 5fr; }
.grid-5-7 { grid-template-columns: 5fr 7fr; }
.grid-3-2 { grid-template-columns: 3fr 2fr; }
.grid-2-3 { grid-template-columns: 2fr 3fr; }

/* ── FLEX UTILITIES ────────────────────────────────────────── */
.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-2); }
.gap-2 { gap: var(--space-4); }
.gap-3 { gap: var(--space-6); }
.gap-4 { gap: var(--space-8); }
.gap-5 { gap: var(--space-12); }

/* ── MEDIA COMPONENTS ──────────────────────────────────────── */
.media-fill {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.aspect-1 { aspect-ratio: 1 / 1; }
.aspect-4-3 { aspect-ratio: 4 / 3; }
.aspect-3-4 { aspect-ratio: 3 / 4; }
.aspect-16-9 { aspect-ratio: 16 / 9; }
.aspect-2-3 { aspect-ratio: 2 / 3; }
.aspect-5-3 { aspect-ratio: 5 / 3; }
.aspect-21-9 { aspect-ratio: 21 / 9; }

/* ── OVERLAY UTILITIES ─────────────────────────────────────── */
.overlay-dark {
  position: absolute;
  inset: 0;
  background: var(--grad-dark-overlay);
  pointer-events: none;
}
.overlay-dark-solid {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.55);
  pointer-events: none;
}
.overlay-navy {
  position: absolute;
  inset: 0;
  background: var(--grad-navy-overlay);
  pointer-events: none;
}
.overlay-left {
  position: absolute;
  inset: 0;
  background: var(--grad-dark-left);
  pointer-events: none;
}
.pos-relative { position: relative; }
.pos-absolute { position: absolute; }
.inset-0 { inset: 0; }
.z-above { z-index: var(--z-above); }
.overflow-hidden { overflow: hidden; }

/* ── COLOR UTILITIES ───────────────────────────────────────── */
.text-white  { color: var(--warm-white); }
.text-gray   { color: var(--cool-gray); }
.text-gold   { color: var(--champagne-gold); }
.text-sage   { color: var(--muted-sage-light); }
.text-dark   { color: var(--luxury-black); }
.text-sand   { color: var(--soft-sand); }
.text-muted  { color: var(--text-tertiary); }

/* ── SPACING UTILITIES ─────────────────────────────────────── */
.mt-auto { margin-top: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* ── VISIBILITY ────────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ── HOVER IMAGE SCALE ─────────────────────────────────────── */
.img-hover-zoom {
  overflow: hidden;
}
.img-hover-zoom img {
  transition: transform var(--dur-slowest) var(--ease-luxury);
}
.img-hover-zoom:hover img { transform: scale(1.06); }

/* ── BACKGROUND IMAGE PLACEHOLDER ─────────────────────────── */
.bg-image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-image--top    { background-position: top center; }
.bg-image--bottom { background-position: bottom center; }

/* ============================================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================================ */

/* Elements start invisible and animate in */
[data-reveal] {
  opacity: 0;
  transition: opacity var(--dur-slower) var(--ease-luxury),
              transform var(--dur-slower) var(--ease-luxury);
}
[data-reveal="fade-up"] { transform: translateY(40px); }
[data-reveal="fade-down"] { transform: translateY(-30px); }
[data-reveal="fade-left"] { transform: translateX(40px); }
[data-reveal="fade-right"] { transform: translateX(-40px); }
[data-reveal="scale-up"] { transform: scale(0.92); }
[data-reveal="clip"] { clip-path: inset(0 100% 0 0); }

[data-reveal].revealed {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0% 0 0);
}

/* Staggered children */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--dur-slower) var(--ease-luxury),
              transform var(--dur-slower) var(--ease-luxury);
}
[data-stagger].revealed > *:nth-child(1) { transition-delay: 0ms; }
[data-stagger].revealed > *:nth-child(2) { transition-delay: 120ms; }
[data-stagger].revealed > *:nth-child(3) { transition-delay: 240ms; }
[data-stagger].revealed > *:nth-child(4) { transition-delay: 360ms; }
[data-stagger].revealed > *:nth-child(5) { transition-delay: 480ms; }
[data-stagger].revealed > *:nth-child(6) { transition-delay: 600ms; }
[data-stagger].revealed > * { opacity: 1; transform: none; }

/* Parallax layers */
[data-parallax] {
  will-change: transform;
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor {
  position: fixed;
  pointer-events: none;
  z-index: var(--z-cursor);
  mix-blend-mode: difference;
}
.cursor__dot {
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: var(--warm-white);
  transform: translate(-50%, -50%);
  transition: width var(--dur-fast) var(--ease-smooth),
              height var(--dur-fast) var(--ease-smooth);
}
.cursor__ring {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.5);
  transform: translate(-50%, -50%);
  transition: width var(--dur-base) var(--ease-luxury),
              height var(--dur-base) var(--ease-luxury),
              border-color var(--dur-base) var(--ease-smooth);
}
body.cursor-hover .cursor__dot { width: 12px; height: 12px; }
body.cursor-hover .cursor__ring {
  width: 56px; height: 56px;
  border-color: var(--champagne-gold);
}

/* ============================================================
   PAGE TRANSITIONS
   ============================================================ */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--luxury-black);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease-snappy);
  pointer-events: none;
}
.page-transition.entering { transform: translateY(0); }

/* ============================================================
   SECTION HEADERS (shared pattern)
   ============================================================ */
.section-header {
  margin-bottom: var(--space-16);
}
.section-header--center {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.section-header__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-11);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-ultra);
  text-transform: uppercase;
  color: var(--champagne-gold);
  margin-bottom: var(--space-5);
}
.section-header__eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--champagne-gold);
  flex-shrink: 0;
}
.section-header--center .section-header__eyebrow {
  justify-content: center;
}
.section-header--center .section-header__eyebrow::before { display: none; }
.section-header__heading {
  font-family: var(--font-display);
  font-size: var(--text-64);
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-snug);
  color: var(--warm-white);
  margin-bottom: var(--space-6);
}
.section-header__heading em {
  font-style: italic;
  color: var(--champagne-gold);
}
.section-header__subheading {
  font-size: var(--text-18);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  max-width: 540px;
}
.section-header--center .section-header__subheading {
  margin-left: auto;
  margin-right: auto;
}

/* On light backgrounds */
.section--light .section-header__heading,
.section--sand .section-header__heading {
  color: var(--luxury-black);
}
.section--light .section-header__subheading,
.section--sand .section-header__subheading {
  color: var(--text-dark-secondary);
}

/* ── INLINE SVG ICON SIZING ─────────────────────────────────── */
.icon-xs  { width: 14px; height: 14px; }
.icon-sm  { width: 18px; height: 18px; }
.icon-md  { width: 22px; height: 22px; }
.icon-lg  { width: 28px; height: 28px; }
.icon-xl  { width: 36px; height: 36px; }

/* ── ASPECT RATIO WRAPPERS ──────────────────────────────────── */
.ratio-box {
  position: relative;
  width: 100%;
}
.ratio-box > * {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}

/* ── DECORATIVE ELEMENTS ────────────────────────────────────── */
.gold-line {
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, var(--champagne-gold), transparent);
  margin: 0 auto;
}
.gold-dot {
  width: 4px; height: 4px;
  border-radius: var(--radius-full);
  background: var(--champagne-gold);
}
.noise-texture {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.03;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 1280px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-7-5, .grid-5-7 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .grid-3  { grid-template-columns: repeat(2, 1fr); }
  .grid-4  { grid-template-columns: repeat(2, 1fr); }
  .grid-3-2, .grid-2-3 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .grid-2  { grid-template-columns: 1fr; }
  .grid-3  { grid-template-columns: 1fr; }
  .grid-4  { grid-template-columns: repeat(2, 1fr); }
  .grid-7-5, .grid-5-7 { grid-template-columns: 1fr; }
  .section-header__heading { font-size: var(--text-48); }
  .hide-mobile { display: none !important; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .section-header__heading { font-size: var(--text-40); }
}