/* ==========================================================================
   Sufia Housing (sufiahousing.com) - Premium Real Estate & Living Ecosystem
   Author: AARA Technologies | Performance-Optimized Lightweight CSS
   ========================================================================== */

:root {
  --primary: #064e3b;
  --primary-dark: #022c22;
  --primary-light: #059669;
  --primary-subtle: #ecfdf5;
  --secondary: #9d174d;
  --secondary-light: #f472b6;
  --secondary-subtle: #fdf2f8;
  --accent: #d97706;
  --accent-gold: #f59e0b;
  
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-focus: #10b981;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px -2px rgba(6, 78, 59, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 28px -4px rgba(6, 78, 59, 0.12), 0 8px 12px -2px rgba(0, 0, 0, 0.03);
  --shadow-glow: 0 0 25px rgba(244, 114, 182, 0.35);
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1360px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-dark {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #064e3b 100%);
  color: #ffffff;
}

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

.section-header {
  margin-bottom: 3.5rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.badge-primary {
  background-color: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.badge-secondary {
  background-color: var(--secondary-subtle);
  color: var(--secondary);
  border: 1px solid rgba(244, 114, 182, 0.3);
}

.badge-accent {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-white {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(6, 78, 59, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(6, 78, 59, 0.35);
  background: linear-gradient(135deg, #05654c 0%, #059669 100%);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary) 0%, #be185d 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(157, 23, 77, 0.25);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(157, 23, 77, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #ffffff;
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--primary);
  border-color: #ffffff;
}

.btn-portal {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
  white-space: nowrap;
}

.btn-portal:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.45);
  color: #ffffff;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  white-space: nowrap;
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.45);
  color: #ffffff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.1rem;
}

/* Top Notification / Hotline Bar */
.top-bar {
  background: #022018;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-item svg {
  width: 14px;
  height: 14px;
  fill: var(--accent-gold);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 1.25rem;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand-badge-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border: 2px solid #ffffff;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-tagline-sub {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-badge-official {
  display: inline-block;
  background: rgba(190, 24, 93, 0.08);
  color: #be185d;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  margin-top: 2px;
  width: fit-content;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.3vw, 1.5rem);
}

.nav-link {
  font-weight: 600;
  color: #334155;
  font-size: 0.94rem;
  position: relative;
  padding: 0.4rem 0.2rem;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #022c22 0%, #064e3b 50%, #065f46 100%);
  color: #ffffff;
  padding: 5rem 0 6rem;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  opacity: 0.8;
}

.hero-glow-1 {
  position: absolute;
  top: -15%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: #fdf2f8;
}

.hero-badge-wrap .sparkle {
  color: #f472b6;
}

.hero-title {
  font-size: 3.35rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #f472b6 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.12rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 620px;
  text-align: justify;
  text-justify: inter-word;
}

.hero-highlights-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: 2.25rem;
}

.hero-hl-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 500;
}

.hero-hl-item svg {
  width: 18px;
  height: 18px;
  fill: #34d399;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Visual & Floating Cards */
.hero-visual-wrap {
  position: relative;
}

.hero-visual-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.hero-badge-circle {
  width: 220px;
  height: 220px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), var(--shadow-glow);
  border: 4px solid rgba(255, 255, 255, 0.3);
  position: relative;
}

.hero-badge-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.hero-badge-circle:hover img {
  transform: scale(1.05);
}

.hero-visual-details h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.hero-visual-details p {
  font-size: 0.95rem;
  color: #cbd5e1;
  margin-bottom: 1.5rem;
}

.hero-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.25rem;
}

.hero-stat-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fbbf24;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Floating Badges */
.floating-pill {
  position: absolute;
  background: #ffffff;
  color: var(--text-main);
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  font-weight: 700;
  z-index: 3;
  animation: float 4s ease-in-out infinite;
}

.floating-pill-left {
  top: 15%;
  left: -20px;
}

.floating-pill-right {
  bottom: 10%;
  right: -20px;
  animation-delay: 2s;
}

.pill-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary-light) 100%);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6, 78, 59, 0.15);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.6rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-box {
  background: var(--primary);
  color: #ffffff;
  transform: scale(1.08);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
  line-height: 1.35;
  hyphens: none;
  word-break: normal;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: justify;
  text-justify: inter-word;
}

/* Central Gas System Spotlight */
.gas-spotlight-box {
  background: linear-gradient(135deg, #042f2e 0%, #064e3b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}

.gas-spotlight-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3rem;
}

.gas-steps-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.gas-step-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.gas-step-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fbbf24;
}

.gas-step-card p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  text-align: justify;
  text-justify: inter-word;
}

.gas-meter-badge-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  text-align: center;
}

.meter-rate-value {
  font-size: 2.8rem;
  font-weight: 800;
  color: #34d399;
  line-height: 1.1;
}

.meter-rate-sub {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.25rem;
}

/* Apartments Directory & Floor Explorer */
.filter-tabs-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-tab {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover, .filter-tab.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.flats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.flat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.flat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6, 78, 59, 0.2);
}

.flat-card-header {
  position: relative;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  padding: 1.75rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.flat-badge-status {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.status-available {
  background-color: #d1fae5;
  color: #065f46;
}

.status-occupied {
  background-color: #fee2e2;
  color: #991b1b;
}

.flat-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.flat-type {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.flat-specs-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: #fafaf9;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.flat-spec-item {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.flat-spec-item strong {
  display: block;
  font-size: 1.05rem;
  color: var(--text-main);
}

.flat-body {
  padding: 1.5rem;
  flex: 1;
}

.flat-features-list {
  margin-bottom: 1.25rem;
}

.flat-feature-bullet {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: #475569;
  margin-bottom: 0.45rem;
}

.flat-feature-bullet svg {
  width: 14px;
  height: 14px;
  fill: var(--primary);
  flex-shrink: 0;
}

.flat-pricing-box {
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(6, 78, 59, 0.1);
}

.flat-rent-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.rent-amt {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--primary);
}

.flat-util-breakdown {
  font-size: 0.78rem;
  color: #047857;
  line-height: 1.4;
}

.flat-card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  display: flex;
  gap: 0.75rem;
}

/* Rent Calculator Component */
.calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2.75rem;
  max-width: 900px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.calc-control-group {
  margin-bottom: 1.5rem;
}

.calc-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.calc-select, .calc-range {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #ffffff;
  font-size: 0.95rem;
  transition: var(--transition);
}

.calc-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.calc-summary-box {
  background: linear-gradient(135deg, #022c22 0%, #064e3b 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.calc-summary-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 0.75rem;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
}

.calc-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 2px dashed rgba(255, 255, 255, 0.25);
  padding-top: 1rem;
  margin-top: 1rem;
}

.calc-total-label {
  font-size: 1.1rem;
  font-weight: 700;
}

.calc-total-value {
  font-size: 2rem;
  font-weight: 800;
  color: #fbbf24;
}

/* Amenities Grid */
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.amenity-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  transition: var(--transition);
}

.amenity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.amenity-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 1.25rem;
}

.amenity-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.amenity-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  text-align: justify;
  text-justify: inter-word;
}

/* Tenant Portal Callout */
.portal-callout {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3rem;
}

.portal-points-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.75rem 0;
}

.portal-point-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: #e0e7ff;
}

.portal-point-item svg {
  width: 16px;
  height: 16px;
  fill: #818cf8;
}

.portal-device-mock {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
}

/* Forms & Inputs */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: var(--shadow-md);
}

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

.form-group {
  margin-bottom: 1.25rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #ffffff;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(6, 78, 59, 0.15);
}

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

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
}

.modal-close-btn {
  background: transparent;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-muted);
  line-height: 1;
}

.modal-body {
  padding: 2rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: slideIn 0.3s ease-out;
  max-width: 380px;
  font-size: 0.92rem;
}

.toast.toast-success { border-left-color: #10b981; }
.toast.toast-error { border-left-color: #ef4444; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Footer */
.site-footer {
  background: #021a14;
  color: rgba(255, 255, 255, 0.75);
  padding: 4.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.35rem;
  letter-spacing: -0.01em;
}

.footer-links li {
  margin-bottom: 0.7rem;
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.92rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--accent-gold);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
}

.footer-credit a {
  color: #fbbf24;
  font-weight: 600;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-title { font-size: 2.75rem; }
  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-highlights-list { justify-content: center; }
  .hero-cta-group { justify-content: center; }
  .gas-spotlight-grid { grid-template-columns: 1fr; }
  .portal-callout { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* Mobile Navigation Breakpoint */
@media (max-width: 1120px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    display: none;
    gap: 1.25rem;
    border-bottom: 2px solid var(--primary);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    z-index: 1001;
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-link {
    font-size: 1.05rem;
    width: 100%;
    border-bottom: 1px solid #f1f5f9;
    padding: 0.6rem 0;
  }
  .hamburger-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  .top-bar-left { display: none; }
  .top-bar-inner { justify-content: center; }
  .hero-title { font-size: 2.15rem; }
  .section-title { font-size: 1.85rem; }
  .form-grid { grid-template-columns: 1fr; }
  .gas-steps-list { grid-template-columns: 1fr; }
  .portal-points-list { grid-template-columns: 1fr; }
  .floating-pill { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}