/* ==========================================================================
   SKYVIEW RESIDENCE & LIVING - STYLESHEET (NO SHADOW / CLEAN BORDER EDITION)
   Design System for Skyview Premium Residence
   Clean, Modern Luxury Architectural Aesthetics (Zero Shadow / Flat Borders)
   ========================================================================== */

:root {
  --sky-primary: #064e3b;        /* Deep Emerald Luxury */
  --sky-primary-light: #059669;  /* Vibrant Emerald */
  --sky-accent: #d97706;         /* Gold Accent */
  --sky-accent-light: #f59e0b;
  --sky-dark: #0f172a;
  --sky-dark-card: #1e293b;
  --sky-text-main: #0f172a;
  --sky-text-muted: #64748b;
  --sky-bg-light: #f8fafc;
  --sky-bg-white: #ffffff;
  --sky-border: #e2e8f0;
  --sky-font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --sky-font-heading: 'Outfit', sans-serif;
  --sky-radius-sm: 8px;
  --sky-radius-md: 14px;
  --sky-radius-lg: 20px;
  --sky-radius-xl: 28px;
  --sky-radius-full: 9999px;
  --sky-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--sky-font);
  background-color: #022c22;
  color: var(--sky-text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  outline: none;
  border: none;
}

.sky-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--sky-font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--sky-text-main);
}

.sky-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--sky-radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.sky-badge-emerald {
  background: rgba(6, 78, 59, 0.08);
  color: var(--sky-primary);
  border: 1px solid rgba(6, 78, 59, 0.2);
}

.sky-badge-gold {
  background: rgba(217, 119, 6, 0.1);
  color: var(--sky-accent);
  border: 1px solid rgba(217, 119, 6, 0.25);
}

.sky-badge-dark {
  background: rgba(255, 255, 255, 0.1);
  color: #a7f3d0;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.sky-gradient-text {
  background: linear-gradient(135deg, var(--sky-primary) 0%, var(--sky-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sky-section-header {
  margin-bottom: 54px;
}

.sky-section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.sky-section-title {
  font-size: 2.35rem;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.sky-section-desc {
  font-size: 1.05rem;
  color: var(--sky-text-muted);
  line-height: 1.7;
}

.sky-py {
  padding: 96px 0;
}

.sky-py-sm {
  padding: 60px 0;
}

/* Buttons */
.sky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--sky-radius-md);
  cursor: pointer;
  transition: var(--sky-transition);
}

.sky-btn-primary {
  background: var(--sky-primary);
  color: #ffffff;
  border: 1px solid var(--sky-primary);
}

.sky-btn-primary:hover {
  background: #04382a;
  color: #ffffff;
  transform: translateY(-2px);
}

.sky-btn-gold {
  background: var(--sky-accent);
  color: #ffffff;
  border: 1px solid var(--sky-accent);
}

.sky-btn-gold:hover {
  background: #b45309;
  color: #ffffff;
  transform: translateY(-2px);
}

.sky-btn-outline-emerald {
  background: transparent;
  color: var(--sky-primary);
  border: 1.5px solid var(--sky-primary);
}

.sky-btn-outline-emerald:hover {
  background: var(--sky-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.sky-btn-outline-white {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.sky-btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

.sky-btn-lg {
  padding: 15px 32px;
  font-size: 1.02rem;
  border-radius: var(--sky-radius-md);
}

/* Demo Top Bar */
.demo-top-bar {
  background: #064e3b;
  color: #a7f3d0;
  font-size: 0.82rem;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  z-index: 1000;
}

.demo-top-bar a.back-link {
  color: #ffffff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--sky-transition);
}

.demo-top-bar a.back-link:hover {
  background: #ffffff;
  color: #064e3b;
}

/* Header & Navbar - Absolutely Positioned Transparent Glass */
.sky-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 999;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.sky-header.scrolled {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(2, 44, 34, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.1);
}

.sky-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.sky-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sky-brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #059669;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.sky-brand-text h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.sky-brand-text span {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #f59e0b;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: block;
}

.sky-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.sky-nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: #f1f5f9;
  position: relative;
  padding: 6px 0;
}

.sky-nav-links a:hover,
.sky-nav-links a.active {
  color: #34d399;
}

.sky-nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: #34d399;
  border-radius: 2px;
}

.sky-nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sky-mobile-toggle {
  display: none;
  background: none;
  font-size: 1.6rem;
  color: #ffffff;
  cursor: pointer;
}

/* Hero Section - Vivid Luxury Background Image with Bottom Dark Gradient Fade */
.sky-hero-section {
  position: relative;
  margin-top: 0;
  padding: 130px 0 100px;
  background: 
    /* Dark fade at bottom */
    linear-gradient(to bottom, transparent 0%, transparent 60%, rgba(2, 44, 34, 0.94) 100%),
    /* Left-to-right readable overlay */
    linear-gradient(90deg, rgba(2, 44, 34, 0.88) 0%, rgba(2, 44, 34, 0.55) 45%, rgba(6, 78, 59, 0.15) 75%, rgba(15, 23, 42, 0.20) 100%),
    url('../img/residence.jpg') center center / cover no-repeat;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.sky-hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 35%, rgba(245, 158, 11, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* Subpage Header Banner (with transparent navbar support) */
.sky-subpage-header {
  position: relative;
  margin-top: 0;
  padding: 130px 0 60px;
  background: linear-gradient(135deg, #022c22 0%, #064e3b 60%, #0f172a 100%);
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sky-subpage-header h1 {
  font-size: 2.8rem;
  color: #ffffff;
  margin-bottom: 16px;
}

.sky-subpage-header p {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 820px;
  line-height: 1.7;
}

.sky-hero-grid {
  display: block;
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.sky-hero-visual {
  display: none !important;
}

.sky-hero-content h1 {
  font-size: 3.2rem;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.sky-hero-content p {
  font-size: 1.12rem;
  color: #cbd5e1;
  line-height: 1.75;
  margin-bottom: 36px;
}

.sky-hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.sky-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.sky-stat-item h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #34d399;
  margin-bottom: 2px;
}

.sky-stat-item p {
  font-size: 0.82rem;
  color: #94a3b8;
  margin: 0;
}

/* Hero Visual Box */
.sky-hero-card {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--sky-radius-xl);
  padding: 32px;
  color: #ffffff;
  position: relative;
}

.sky-unit-highlight {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--sky-radius-md);
  padding: 18px;
  margin-bottom: 16px;
}

.sky-unit-highlight h4 {
  color: #ffffff;
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.sky-unit-specs {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: #94a3b8;
}

/* Units Grid */
.sky-units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.sky-unit-card {
  background: #ffffff;
  border: 1px solid var(--sky-border);
  border-radius: var(--sky-radius-xl);
  overflow: hidden;
  transition: var(--sky-transition);
  display: flex;
  flex-direction: column;
}

.sky-unit-card:hover {
  transform: translateY(-6px);
  border-color: var(--sky-primary-light);
}

.sky-unit-image-placeholder {
  height: 220px;
  background: var(--sky-dark);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.sky-unit-badge {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--sky-radius-full);
  z-index: 1;
}

.sky-unit-price-tag {
  z-index: 1;
}

.sky-unit-price-tag h4 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 2px;
}

.sky-unit-price-tag span {
  color: #a7f3d0;
  font-size: 0.82rem;
}

.sky-unit-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sky-unit-body h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.sky-unit-body p {
  font-size: 0.92rem;
  color: var(--sky-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.sky-unit-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid #f1f5f9;
}

.sky-unit-features li {
  font-size: 0.85rem;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   BOOKING PROCESS WORKFLOW SECTION
   ========================================================================== */
.sky-process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}

.sky-process-card {
  background: #ffffff;
  border: 1px solid var(--sky-border);
  border-radius: var(--sky-radius-lg);
  padding: 32px 26px;
  transition: var(--sky-transition);
}

.sky-process-card:hover {
  border-color: var(--sky-primary);
  transform: translateY(-4px);
}

.sky-step-badge {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--sky-font-heading);
  color: rgba(6, 78, 59, 0.2);
  line-height: 1;
  margin-bottom: 14px;
}

.sky-process-card h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.sky-process-card p {
  font-size: 0.9rem;
  color: var(--sky-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   BENEFITS SECTION
   ========================================================================== */
.sky-benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.sky-benefit-card {
  background: var(--sky-bg-light);
  border: 1px solid var(--sky-border);
  border-radius: var(--sky-radius-lg);
  padding: 32px 26px;
  transition: var(--sky-transition);
}

.sky-benefit-card:hover {
  background: #ffffff;
  border-color: var(--sky-primary);
  transform: translateY(-4px);
}

.sky-benefit-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--sky-radius-md);
  background: rgba(6, 78, 59, 0.1);
  color: var(--sky-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

/* ==========================================================================
   REVIEWS & TESTIMONIALS SECTION
   ========================================================================== */
.sky-reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.sky-review-card {
  background: var(--sky-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--sky-radius-lg);
  padding: 32px 28px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sky-stars {
  color: #f59e0b;
  font-size: 1rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.sky-review-text {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}

.sky-reviewer-info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sky-reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--sky-primary-light);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.sky-reviewer-meta h4 {
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.sky-reviewer-meta p {
  color: #94a3b8;
  font-size: 0.78rem;
  margin: 0;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.sky-faq-container {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sky-faq-item {
  background: #ffffff;
  border: 1px solid var(--sky-border);
  border-radius: var(--sky-radius-md);
  overflow: hidden;
  transition: var(--sky-transition);
}

.sky-faq-item.active {
  border-color: var(--sky-primary);
}

.sky-faq-btn {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sky-text-main);
}

.sky-faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--sky-bg-light);
  color: var(--sky-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--sky-transition);
}

.sky-faq-item.active .sky-faq-icon {
  transform: rotate(45deg);
  background: var(--sky-primary);
  color: #ffffff;
}

.sky-faq-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--sky-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.sky-faq-item.active .sky-faq-content {
  padding: 0 24px 22px;
  max-height: 500px;
}

/* Facilities Grid */
.sky-facilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.sky-facility-card {
  background: var(--sky-bg-light);
  border: 1px solid var(--sky-border);
  border-radius: var(--sky-radius-lg);
  padding: 30px 24px;
  transition: var(--sky-transition);
}

.sky-facility-card:hover {
  background: #ffffff;
  border-color: var(--sky-primary);
  transform: translateY(-4px);
}

.sky-facility-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--sky-radius-md);
  background: rgba(6, 78, 59, 0.1);
  color: var(--sky-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}

/* KPR Calculator Box */
.sky-calc-box {
  background: var(--sky-dark);
  color: #ffffff;
  border-radius: var(--sky-radius-xl);
  padding: 44px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sky-calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.sky-calc-result {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--sky-radius-lg);
  padding: 28px;
  text-align: center;
}

.sky-calc-amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: #34d399;
  margin: 10px 0;
  font-family: var(--sky-font-heading);
}

/* Contact & Booking Grid */
.sky-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 44px;
}

.sky-contact-card {
  background: var(--sky-dark);
  color: #ffffff;
  border-radius: var(--sky-radius-xl);
  padding: 40px 32px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sky-booking-form {
  background: #ffffff;
  border: 1px solid var(--sky-border);
  border-radius: var(--sky-radius-xl);
  padding: 40px;
}

.sky-form-group {
  margin-bottom: 20px;
}

.sky-form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: 8px;
}

.sky-form-input {
  width: 100%;
  padding: 13px 16px;
  background: #f8fafc;
  border: 1.5px solid var(--sky-border);
  border-radius: var(--sky-radius-md);
  font-size: 0.95rem;
  color: var(--sky-text-main);
  transition: var(--sky-transition);
}

.sky-form-input:focus {
  background: #ffffff;
  border-color: var(--sky-primary);
}

/* Footer */
.sky-footer {
  background: #022c22;
  color: #94a3b8;
  padding: 80px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sky-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 60px;
}

.sky-footer-brand h3 {
  color: #ffffff;
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.sky-footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.sky-footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sky-footer-links a {
  font-size: 0.9rem;
  color: #94a3b8;
}

.sky-footer-links a:hover {
  color: #34d399;
  padding-left: 4px;
}

.sky-footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 992px) {
  .sky-hero-grid,
  .sky-calc-grid,
  .sky-contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .sky-hero-content h1 {
    font-size: 2.4rem;
  }

  .sky-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sky-nav-links {
    display: none;
  }

  .sky-mobile-toggle {
    display: block;
  }

  .sky-nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(2, 44, 34, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }
}

@media (max-width: 640px) {
  .sky-hero-content h1 {
    font-size: 2rem;
  }

  .sky-hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .sky-footer-grid {
    grid-template-columns: 1fr;
  }
}