/* ==========================================================================
   CASTLE LAKES — REFINED LUXURY DESIGN SYSTEM
   Compact, Elegant, Architectural & Balanced
   ========================================================================== */

:root {
  /* Primary Luxury Palette */
  --c-navy-deep: #071A2B;
  --c-midnight:  #0B2239;
  --c-ivory:     #F8F7F3;
  --c-white:     #FFFFFF;
  --c-stone:     #E5E0D5;
  --c-gold:      #C9A227;
  --c-gold-hover:#DCB43A;
  --c-gold-soft: rgba(201, 162, 39, 0.12);

  /* Semantic Layers */
  --c-ink:       #0A1926;
  --c-body:      #384856;
  --c-muted:     #6C7D8C;
  --c-border:    rgba(11, 34, 57, 0.08);
  --c-border-light: rgba(255, 255, 255, 0.1);
  --c-border-gold: rgba(201, 162, 39, 0.28);

  /* Typography */
  --font-sans:  "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Cormorant Garamond", Georgia, serif;

  /* Tasteful Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 999px;

  /* Transitions */
  --ease-luxury: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px;
  background-color: var(--c-ivory);
  color: var(--c-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--c-ivory);
  color: var(--c-ink);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background-color: rgba(201, 162, 39, 0.25);
  color: var(--c-navy-deep);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease-luxury), opacity 0.25s var(--ease-luxury);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

/* Containers */
.container {
  width: min(100% - 3rem, 76rem);
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 3rem, 54rem);
  margin-inline: auto;
}

/* Spacing Utilities */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 0.75rem; }
.mt-3 { margin-top: 1.25rem; }
.mt-4 { margin-top: 1.75rem; }
.mt-5 { margin-top: 2.25rem; }
.mb-2 { margin-bottom: 0.75rem; }
.mb-3 { margin-bottom: 1.25rem; }
.mb-4 { margin-bottom: 1.75rem; }

/* Typography */
.kicker {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.kicker::before {
  content: "";
  display: inline-block;
  width: 1.25rem;
  height: 1px;
  background-color: var(--c-gold);
}

.kicker-light {
  color: #E2C568;
}
.kicker-light::before {
  background-color: #E2C568;
}

.display-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--c-navy-deep);
}

.display-title em {
  font-style: italic;
  color: var(--c-gold);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-navy-deep);
}

.section-title em {
  font-style: italic;
  color: var(--c-gold);
}

.lead-p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--c-body);
  font-weight: 400;
}

.body-p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* Refined Compact Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s var(--ease-luxury);
  border: 1px solid transparent;
}

.btn i, .btn svg {
  width: 0.85rem;
  height: 0.85rem;
  transition: transform 0.25s var(--ease-luxury);
}

.btn:hover i, .btn:hover svg {
  transform: translate(2px, -2px);
}

.btn-gold {
  background-color: var(--c-gold);
  color: var(--c-navy-deep);
  border-color: var(--c-gold);
  box-shadow: 0 4px 14px rgba(201, 162, 39, 0.18);
}

.btn-gold:hover {
  background-color: var(--c-gold-hover);
  border-color: var(--c-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(201, 162, 39, 0.28);
}

.btn-white-outline {
  background-color: transparent;
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-white-outline:hover {
  background-color: var(--c-white);
  color: var(--c-navy-deep);
  border-color: var(--c-white);
  transform: translateY(-1px);
}

.btn-navy {
  background-color: var(--c-navy-deep);
  color: var(--c-white);
  border-color: var(--c-navy-deep);
}

.btn-navy:hover {
  background-color: var(--c-midnight);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(7, 26, 43, 0.2);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-gold);
  padding-bottom: 0.2rem;
  border-bottom: 1px solid var(--c-gold);
}

.btn-link:hover {
  color: var(--c-navy-deep);
  border-color: var(--c-navy-deep);
}

.btn-link i {
  transition: transform 0.25s var(--ease-luxury);
  width: 0.8rem;
  height: 0.8rem;
}

.btn-link:hover i {
  transform: translate(2px, -2px);
}

/* ==========================================================================
   NAVIGATION (Streamlined 5 Links + CTA)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 0;
  background-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.35s var(--ease-luxury);
}

.site-header.scrolled {
  background-color: rgba(7, 26, 43, 0.96);
  border-bottom: 1px solid rgba(201, 162, 39, 0.2);
  padding: 0.85rem 0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-white);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.1;
}

.brand-logo span.tag {
  font-size: 0.48rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--c-gold);
  margin-top: 0.1rem;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--c-gold);
  transition: width 0.25s var(--ease-luxury);
}

.nav-link:hover {
  color: var(--c-white);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-gold);
  border: 1px solid var(--c-gold);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: all 0.25s var(--ease-luxury);
}

.nav-cta:hover {
  background-color: var(--c-gold);
  color: var(--c-navy-deep);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--c-white);
  cursor: pointer;
  padding: 0.4rem;
}

/* Mobile Menu */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--c-navy-deep);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5rem 2rem 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-luxury);
}

.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-item {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--c-white);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.6rem;
}

.mobile-nav-item span {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

/* ==========================================================================
   HERO SECTION (Scaled Down, Compact & Balanced)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 90svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--c-navy-deep);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroDrift 28s ease-in-out infinite alternate;
  filter: brightness(0.9) contrast(1.05);
}

@keyframes heroDrift {
  from { transform: scale(1.02); }
  to   { transform: scale(1.07); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(7, 26, 43, 0.45) 0%,
    rgba(7, 26, 43, 0.6) 50%,
    rgba(7, 26, 43, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 48rem;
  padding: 6.5rem 1.5rem 4rem;
}

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--c-white);
  margin-bottom: 1rem;
}

.hero-headline em {
  font-style: italic;
  color: #F7E7B4;
}

.hero-subheadline {
  font-size: 1rem;
  color: rgba(247, 245, 239, 0.85);
  font-weight: 300;
  max-width: 34rem;
  margin-inline: auto;
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero-scroll i, .hero-scroll svg {
  color: var(--c-gold);
  animation: scrollBob 2s infinite ease-in-out;
  width: 0.85rem;
  height: 0.85rem;
}

@keyframes scrollBob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* ==========================================================================
   SECTION: VISION & NATURE (Consolidated & Compact)
   ========================================================================== */
.section-vision {
  padding: 5rem 0 4.5rem;
  background-color: var(--c-ivory);
}

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

.vision-image-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(7, 26, 43, 0.08);
}

.vision-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-luxury);
}

.vision-image-wrap:hover img {
  transform: scale(1.03);
}

.vision-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-border);
}

.v-feature h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--c-navy-deep);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.v-feature p {
  font-size: 0.82rem;
  color: var(--c-muted);
  line-height: 1.55;
}

/* ==========================================================================
   SECTION: RESIDENCES COLLECTION (Border Radius, Scaled Images)
   ========================================================================== */
.section-residences {
  padding: 5rem 0;
  background-color: var(--c-white);
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 1.5rem;
}

.residence-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.75rem;
}

.residence-grid .residence-card:nth-child(1),
.residence-grid .residence-card:nth-child(2),
.residence-grid .residence-card:nth-child(3) {
  grid-column: span 2;
}

.residence-grid .residence-card:nth-child(4),
.residence-grid .residence-card:nth-child(5) {
  grid-column: span 3;
}

.residence-card {
  background: var(--c-ivory);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.35s var(--ease-luxury);
  display: flex;
  flex-direction: column;
}

.residence-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(7, 26, 43, 0.08);
  border-color: rgba(201, 162, 39, 0.35);
}

.residence-image-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--c-navy-deep);
}

.residence-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-luxury);
}

.residence-card:hover .residence-image-wrap img {
  transform: scale(1.04);
}

.residence-status {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  background: rgba(7, 26, 43, 0.85);
  backdrop-filter: blur(8px);
  color: var(--c-gold);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(201, 162, 39, 0.25);
}

.residence-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.residence-type {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.residence-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--c-navy-deep);
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.residence-desc {
  font-size: 0.82rem;
  color: var(--c-body);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.residence-footer {
  border-top: 1px solid var(--c-border);
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.residence-location {
  font-size: 0.75rem;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.residence-location i {
  color: var(--c-gold);
  width: 0.8rem;
  height: 0.8rem;
}

/* ==========================================================================
   SECTION: MASTERPLAN & DEVELOPMENT TIMELINE (Integrated)
   ========================================================================== */
.section-masterplan {
  padding: 5rem 0;
  background-color: var(--c-ivory);
}

.masterplan-header {
  text-align: center;
  max-width: 38rem;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.masterplan-viewport {
  position: relative;
  background-color: var(--c-navy-deep);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(7, 26, 43, 0.08);
}

.masterplan-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  max-height: 28rem;
}

.masterplan-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) brightness(0.92);
}

.zone-hotspot {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: rgba(7, 26, 43, 0.88);
  border: 1.5px solid var(--c-gold);
  color: var(--c-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  cursor: pointer;
  z-index: 5;
  transition: all 0.25s var(--ease-luxury);
}

.zone-hotspot:hover, .zone-hotspot.active {
  background-color: var(--c-gold);
  color: var(--c-navy-deep);
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 0 16px rgba(201, 162, 39, 0.5);
}

.masterplan-drawer {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  max-width: 21rem;
  background: rgba(7, 26, 43, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  color: var(--c-white);
  z-index: 10;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
  transition: all 0.35s var(--ease-luxury);
}

.masterplan-drawer span.zone-tag {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.masterplan-drawer h4 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 0.45rem;
}

.masterplan-drawer p {
  font-size: 0.8rem;
  color: rgba(247, 245, 239, 0.82);
  line-height: 1.6;
}

.masterplan-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
  margin-top: 1.25rem;
  margin-bottom: 3.5rem;
}

.zone-tab-btn {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  padding: 1rem 0.85rem;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.25s var(--ease-luxury);
}

.zone-tab-btn span {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.zone-tab-btn strong {
  display: block;
  font-size: 0.78rem;
  color: var(--c-navy-deep);
}

.zone-tab-btn.active, .zone-tab-btn:hover {
  background-color: var(--c-navy-deep);
  border-color: var(--c-navy-deep);
}

.zone-tab-btn.active strong, .zone-tab-btn:hover strong {
  color: var(--c-white);
}

/* Timeline Sub-block */
.timeline-sub-block {
  border-top: 1px solid var(--c-border);
  padding-top: 3.5rem;
}

.timeline-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.timeline-btn {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-muted);
  transition: all 0.25s var(--ease-luxury);
}

.timeline-btn span.phase-num {
  color: var(--c-gold);
}

.timeline-btn.active, .timeline-btn:hover {
  background-color: var(--c-navy-deep);
  color: var(--c-white);
  border-color: var(--c-navy-deep);
}

.phase-card {
  display: none;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(7, 26, 43, 0.05);
}

.phase-card.active {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  animation: fadeIn 0.4s var(--ease-luxury);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.phase-card-info {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.phase-card-info .phase-badge {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 0.65rem;
}

.phase-card-info h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--c-navy-deep);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.phase-card-info p {
  color: var(--c-body);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.phase-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

.phase-details-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--c-ink);
  font-weight: 500;
}

.phase-details-list li i {
  color: var(--c-gold);
  width: 0.85rem;
  height: 0.85rem;
}

.phase-card-image {
  position: relative;
  min-height: 18rem;
}

.phase-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   SECTION: INVESTMENT THESIS (Deep Navy, 4 Tight Pillars)
   ========================================================================== */
.section-investment {
  padding: 5rem 0;
  background-color: var(--c-navy-deep);
  color: var(--c-white);
}

.investment-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: flex-end;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 2rem;
}

.investment-header .section-title {
  color: var(--c-white);
}

.investment-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.invest-pillar {
  background: rgba(11, 34, 57, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 1.6rem;
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-luxury);
}

.invest-pillar:hover {
  border-color: rgba(201, 162, 39, 0.4);
  transform: translateY(-3px);
  background: rgba(11, 34, 57, 0.88);
}

.invest-pillar .pillar-num {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--c-gold);
  margin-bottom: 1rem;
  display: block;
  font-weight: 600;
}

.invest-pillar h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--c-white);
  font-weight: 400;
  margin-bottom: 0.6rem;
}

.invest-pillar p {
  color: rgba(247, 245, 239, 0.7);
  font-size: 0.8rem;
  line-height: 1.65;
}

/* ==========================================================================
   SECTION: CONTACT & PRIVATE INQUIRIES
   ========================================================================== */
.section-contact {
  padding: 5.5rem 0;
  background-color: var(--c-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
}

.contact-direct {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-top: 1px solid var(--c-border);
  padding-top: 1.75rem;
}

.contact-direct-item span {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  display: block;
  margin-bottom: 0.2rem;
}

.contact-direct-item p {
  color: var(--c-navy-deep);
  font-weight: 500;
  font-size: 0.88rem;
}

.luxury-form {
  background: var(--c-ivory);
  border: 1px solid var(--c-border);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-body);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--c-white);
  border: 1px solid rgba(11, 34, 57, 0.14);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--c-navy-deep);
  transition: all 0.25s var(--ease-luxury);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.12);
}

.form-disclaimer {
  font-size: 0.72rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin-top: 1rem;
}

.form-success-box {
  display: none;
  background: var(--c-white);
  border: 1px solid var(--c-gold);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.form-success-box.active {
  display: block;
}

.form-success-box i {
  color: var(--c-gold);
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
}

.form-success-box h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--c-navy-deep);
  margin-bottom: 0.5rem;
}

.form-success-box p {
  color: var(--c-body);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER (Compact Luxury Footprint)
   ========================================================================== */
.site-footer {
  background-color: var(--c-navy-deep);
  color: var(--c-white);
  padding: 4.5rem 0 2.25rem;
  border-top: 1px solid rgba(201, 162, 39, 0.2);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 0.9fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  color: rgba(247, 245, 239, 0.65);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  margin-top: 0.75rem;
}

.footer-col h5 {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 1.1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col ul a {
  font-size: 0.8rem;
  color: rgba(247, 245, 239, 0.7);
}

.footer-col ul a:hover {
  color: var(--c-white);
}

.footer-bottom {
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: rgba(247, 245, 239, 0.5);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: var(--c-gold);
}

/* ==========================================================================
   SCROLL REVEAL (Fast & Smooth)
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-luxury), transform 0.7s var(--ease-luxury);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .vision-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .residence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .residence-grid .residence-card:nth-child(1),
  .residence-grid .residence-card:nth-child(2),
  .residence-grid .residence-card:nth-child(3),
  .residence-grid .residence-card:nth-child(4) {
    grid-column: span 1;
  }
  .residence-grid .residence-card:nth-child(5) {
    grid-column: span 2;
  }
  .investment-pillars {
    grid-template-columns: repeat(2, 1fr);
  }
  .masterplan-tabs {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-desktop, .nav-cta {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .residence-grid {
    grid-template-columns: 1fr;
  }
  .residence-grid .residence-card {
    grid-column: span 1 !important;
  }
  .investment-header {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .investment-pillars {
    grid-template-columns: 1fr;
  }
  .vision-features {
    grid-template-columns: 1fr;
  }
  .masterplan-tabs {
    grid-template-columns: 1fr;
  }
  .phase-card.active {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   CASTLE LAKES — INVESTMENT / INFRASTRUCTURE DESIGN SYSTEM
   ========================================================================== */
:root {
  --ink: #0F2233;
  --paper: #F5F3EC;
  --paper-soft: #EAE7DD;
  --line: rgba(15, 34, 51, 0.14);
  --line-strong: rgba(15, 34, 51, 0.32);
  --gold: #C9A968;
  --green: #46655C;
  --muted: rgba(15, 34, 51, 0.66);
  --maxw: 1240px;
  --pad-x: 32px;
  --radius: 14px;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.kicker {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 { font-size: clamp(2.4rem, 4.6vw, 4.2rem); }
h2 { font-size: clamp(2rem, 3.4vw, 3rem); }
h3 { font-size: 1.35rem; font-weight: 600; }
h4 { font-size: 0.95rem; font-family: var(--sans); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }

p { margin: 0 0 1em; }
em { font-style: italic; color: var(--ink); }

/* ===================== HEADER ===================== */
.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--pad-x);
  display: flex;
  align-items: center;
  gap: 36px;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.wordmark span {
  color: var(--gold);
  margin-left: 2px;
}

.nav ul {
  display: flex;
  gap: 28px;
  margin-left: 20px;
  flex: 1;
}
.nav ul a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}
.nav ul a:hover { color: var(--gold); }
.nav ul a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav ul a:hover::after { transform: scaleX(1); }

.nav .cta {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  transition: background 0.2s;
}
.nav .cta:hover { background: var(--gold); color: var(--ink); }

/* ===================== HERO ===================== */
.hero {
  background: var(--paper);
  padding: 90px 0 110px;
  border-bottom: 1px solid var(--line);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}
.hero h1 { margin-bottom: 24px; }
.hero h1 em { color: var(--gold); font-style: italic; }
.hero .lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 32px;
}
.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}
.btn.primary {
  background: var(--ink);
  color: var(--paper);
}
.btn.primary:hover { background: var(--gold); color: var(--ink); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn.ghost:hover { border-color: var(--ink); }

.hero-figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  max-width: 600px;
}
.fig .num {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
}
.fig .lbl {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

.contour-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.contour-wrap svg { width: 100%; max-width: 460px; height: auto; }

/* ===================== SECTION HEAD ===================== */
section { padding: 100px 0; }
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 60px;
}
.section-head h2 { margin-top: 8px; }
.section-head .desc {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ===================== ABOUT ===================== */
.about { background: var(--paper); }
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-copy p { font-size: 1.05rem; color: var(--muted); }
.about-copy p + p { margin-top: 18px; }

.principles {
  display: grid;
  gap: 24px;
}
.principle {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.principle .t {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}
.principle .d {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ===================== SECTORS / LEDGER ===================== */
.sectors { background: var(--paper-soft); }
.ledger {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.ledger-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 2fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.ld-index {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 500;
}
.ld-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
}
.ld-desc {
  color: var(--muted);
  font-size: 1rem;
}
.tags {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--green);
}

/* ===================== APPROACH ===================== */
.approach { background: var(--paper); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}
.step .n {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 18px;
  line-height: 1;
}
.step h3 { margin-bottom: 12px; }
.step p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ===================== CRITERIA ===================== */
.criteria { background: var(--paper-soft); }
.criteria-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.criteria-col h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--sans);
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.criteria-col ul li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1rem;
  color: var(--ink);
  position: relative;
  padding-left: 22px;
}
.criteria-col ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 600;
}
.criteria-col ul li:last-child { border-bottom: 0; }

/* ===================== STATS (dark) ===================== */
.stats {
  background: var(--ink);
  color: var(--paper);
}
.stats .section-head h2 { color: var(--paper); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat {
  border: 1px solid rgba(234, 231, 221, 0.18);
  border-radius: var(--radius);
  padding: 32px 24px;
}
.stat .num {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 14px;
}
.stat .lbl {
  color: rgba(245, 243, 236, 0.7);
  font-size: 0.9rem;
}
.stats-footnote {
  margin-top: 28px;
  font-size: 12px;
  color: rgba(245, 243, 236, 0.5);
  font-style: italic;
}

/* ===================== CTA BAND ===================== */
.cta-band {
  background: var(--gold);
  padding: 70px 0;
}
.cta-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 {
  color: var(--ink);
  margin: 0;
  flex: 1;
  min-width: 280px;
}
.cta-band .btn.primary {
  background: var(--ink);
  color: var(--paper);
}
.cta-band .btn.primary:hover { background: #000; }

/* ===================== CONTACT ===================== */
#contact { background: var(--paper); }

/* ===================== FOOTER ===================== */
footer {
  background: #0A1825;
  color: var(--paper);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
footer .wordmark {
  color: var(--paper);
  font-size: 1.6rem;
  margin-bottom: 16px;
}
footer .wordmark span { color: var(--gold); }
footer p { color: rgba(245, 243, 236, 0.6); font-size: 0.95rem; max-width: 320px; }
.footer-col h4 {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: rgba(245, 243, 236, 0.72);
  font-size: 14px;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(234, 231, 221, 0.12);
  font-size: 12px;
  color: rgba(245, 243, 236, 0.5);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 960px) {
  .hero .wrap,
  .about-grid,
  .section-head,
  .criteria-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .steps,
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ledger-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav ul { display: none; }
}

@media (max-width: 560px) {
  :root { --pad-x: 20px; }
  section { padding: 70px 0; }
  .hero { padding: 60px 0 80px; }
  .steps,
  .stats-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-figures { grid-template-columns: 1fr 1fr; }
  .cta-band .wrap { flex-direction: column; align-items: stretch; }
}