@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ==========================================
   CSS Variables & Design System (Enhanced)
   ========================================== */
:root {
  --bg-color: #080808;
  --surface-color: #121212;
  --surface-deep: #0D0D0D;
  --surface-glass: rgba(18, 18, 18, 0.7);
  --primary-gold: #D4AF37;
  --primary-gold-light: #F3E5AB;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A09A;
  --text-muted: #666660;
  --border-color: rgba(255, 255, 255, 0.04);
  --border-gold: rgba(212, 175, 55, 0.25);
  --error-color: #FF5A5F;
  --success-color: #2ECC71;
  
  /* Fuel Type Colors */
  --fuel-92: #378ADD;
  --fuel-92-glow: rgba(55, 138, 221, 0.25);
  --fuel-95: #1D9E75;
  --fuel-95-glow: rgba(29, 158, 117, 0.25);
  --fuel-diesel: #D35400;
  --fuel-diesel-glow: rgba(211, 84, 0, 0.25);

  /* Font Families */
  --font-arabic: 'Cairo', sans-serif;
  --font-english: 'Outfit', sans-serif;
  
  /* Layout Constants */
  --border-radius-sm: 10px;
  --border-radius-md: 18px;
  --border-radius-lg: 28px;
  --transition-speed: 0.35s;
  --transition-smooth: cubic-bezier(0.25, 0.8, 0.25, 1);
  --box-shadow-gold: 0 10px 40px rgba(212, 175, 55, 0.1);
  --box-shadow-glow: 0 0 25px rgba(212, 175, 55, 0.15);
}

/* ==========================================
   Base & Reset Settings
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-english);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

/* Subtle background grid pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: -2;
  pointer-events: none;
}

/* Apply Arabic font when language direction is RTL */
html[dir="rtl"] body {
  font-family: var(--font-arabic);
}

/* Force Outfit font for numbers in Arabic layout for readability */
html[dir="rtl"] .number-font,
html[dir="rtl"] .calc-result-value,
html[dir="rtl"] select,
html[dir="rtl"] input {
  font-family: var(--font-english);
  font-weight: 600;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: #1c1c1c;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--bg-color);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-gold);
}

/* ==========================================
   Background Animated Blobs
   ========================================== */
.bg-blobs-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.18;
  animation: floatBlob 16s ease-in-out infinite alternate;
}

.blob-gold {
  width: 500px;
  height: 500px;
  background: var(--primary-gold);
  top: -100px;
  right: -50px;
}

.blob-coral {
  width: 450px;
  height: 450px;
  background: #FF5A5F;
  bottom: 20%;
  left: -100px;
  animation-delay: -4s;
}

.blob-blue {
  width: 400px;
  height: 400px;
  background: #3498DB;
  top: 40%;
  right: 10%;
  animation-delay: -8s;
}

@keyframes floatBlob {
  0% {
    transform: scale(1) translate(0, 0);
    opacity: 0.15;
  }
  50% {
    transform: scale(1.15) translate(40px, -40px);
    opacity: 0.22;
  }
  100% {
    transform: scale(0.9) translate(-30px, 30px);
    opacity: 0.15;
  }
}

/* ==========================================
   Typography & Helper Classes
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, #FFEFA6 60%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gold {
  color: var(--primary-gold);
  text-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section titles */
.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 18px;
  position: relative;
  display: inline-block;
  font-weight: 850;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 32px;
  font-weight: 700;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-speed) var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #F3E5AB 0%, var(--primary-gold) 50%, #9E7B1C 100%);
  color: #000;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.45);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 30%;
  height: 200%;
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(30deg);
  transition: transform 0.6s ease;
}

.btn-primary:hover::after {
  transform: translate(400%, -50%) rotate(30deg);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* ==========================================
   Header & Navigation
   ========================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(8, 8, 8, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-speed) var(--transition-smooth);
}

header.scrolled {
  padding: 5px 0;
  background-color: rgba(8, 8, 8, 0.85);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  border-bottom-color: rgba(212, 175, 55, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  transition: height var(--transition-speed);
}

header.scrolled .container {
  height: 75px;
}

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

.logo img {
  height: 46px;
  width: auto;
  border-radius: 10px;
  border: 1.5px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.15);
}

.logo span {
  font-family: var(--font-english);
  font-weight: 900;
  font-size: 2rem;
  color: var(--primary-gold);
  letter-spacing: -1px;
}

html[dir="rtl"] .logo span {
  font-family: var(--font-arabic);
  font-weight: 850;
  letter-spacing: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  gap: 35px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-speed);
  position: relative;
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--primary-gold), var(--primary-gold-light));
  border-radius: 10px;
  transition: width var(--transition-speed) var(--transition-smooth);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Language Toggle */
.lang-toggle {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition-speed) var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle:hover {
  border-color: rgba(212, 175, 55, 0.4);
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Mobile Menu Button */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.6rem;
  cursor: pointer;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  padding-top: 200px;
  padding-bottom: 120px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 70px;
}

.hero-content h1 {
  font-size: 3.8rem;
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 900;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 45px;
  max-width: 620px;
  font-weight: 300;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-mockup {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mockup-container {
  position: relative;
  width: 295px;
  height: 600px;
  border-radius: 44px;
  padding: 10px;
  background-color: #121212;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 
    0 25px 65px rgba(0, 0, 0, 0.9), 
    0 0 50px rgba(212, 175, 55, 0.12),
    inset 0 0 15px rgba(255,255,255,0.02);
  animation: float 6s ease-in-out infinite;
}

.mockup-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 44px;
  box-shadow: inset 0 0 1px 1px rgba(212, 175, 55, 0.25);
  pointer-events: none;
}

.mockup-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 35px;
  overflow: hidden;
  background-color: var(--bg-color);
  border: 1px solid rgba(0, 0, 0, 0.8);
}

.mockup-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating animation */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
  100% { transform: translateY(0px); }
}

/* ==========================================
   Live Interactive Calculator Section
   ========================================== */
.live-demo {
  padding: 120px 0;
  background-color: var(--surface-deep);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 70px;
  align-items: center;
}

/* Demo Info Content */
.demo-info {
  display: flex;
  flex-direction: column;
}

.demo-info h2 {
  font-size: 2.5rem;
  margin-bottom: 25px;
  line-height: 1.25;
}

.demo-info p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 40px;
  font-weight: 300;
  line-height: 1.7;
}

.demo-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-feat-item {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.1rem;
  font-weight: 500;
}

.demo-feat-item i {
  color: var(--primary-gold);
  font-size: 1.4rem;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

/* Calculator Container */
.calculator-card {
  background-color: var(--surface-color);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: 
    0 30px 70px rgba(0, 0, 0, 0.6),
    0 0 40px rgba(212, 175, 55, 0.03);
  position: relative;
  overflow: hidden;
}

.calculator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-gold-light), var(--primary-gold), var(--primary-gold-light));
}

.calc-group {
  margin-bottom: 26px;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.calc-label-row label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.2px;
}

.calc-label-row span {
  font-size: 1rem;
  color: var(--primary-gold);
  font-weight: 800;
}

.calc-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input-wrapper select,
.calc-input-wrapper input[type="number"],
.calc-input-wrapper input[type="text"] {
  width: 100%;
  padding: 15px 18px;
  background-color: var(--surface-deep);
  border: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-radius: var(--border-radius-sm);
  font-size: 1.05rem;
  outline: none;
  transition: all var(--transition-speed) var(--transition-smooth);
}

.calc-input-wrapper select {
  cursor: pointer;
  appearance: none;
}

/* Custom Dropdown Arrow */
.calc-input-wrapper::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset-inline-end: 18px;
  color: var(--text-muted);
  pointer-events: none;
  font-size: 1.1rem;
  transition: color var(--transition-speed);
}

.calc-input-wrapper:has(input)::after {
  display: none;
}

.calc-input-wrapper select:focus + ::after {
  color: var(--primary-gold);
}

/* Suffix in input fields */
.calc-input-wrapper .input-suffix {
  position: absolute;
  inset-inline-end: 18px;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  pointer-events: none;
  text-transform: uppercase;
}

.calc-input-wrapper select:focus,
.calc-input-wrapper input:focus {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.12);
  background-color: #0c0c0c;
}

/* Style for range slider (Custom) */
.slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: var(--surface-deep);
  outline: none;
  margin: 15px 0 5px 0;
  position: relative;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle, #FFFFFF 20%, var(--primary-gold) 100%);
  cursor: pointer;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 18px var(--primary-gold);
}

/* Custom Checkbox Toggle (Elevated) */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
  cursor: pointer;
  user-select: none;
}

.toggle-input {
  display: none;
}

.toggle-btn-visual {
  width: 48px;
  height: 26px;
  background-color: var(--surface-deep);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  position: relative;
  transition: all var(--transition-speed) var(--transition-smooth);
}

.toggle-btn-visual::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  transition: transform var(--transition-speed) var(--transition-smooth), background-color var(--transition-speed);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.toggle-input:checked + .toggle-btn-visual {
  background-color: rgba(212, 175, 55, 0.15);
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.1);
}

.toggle-input:checked + .toggle-btn-visual::after {
  transform: translateX(22px);
  background-color: var(--primary-gold);
}

/* Dynamic slider changes in RTL mode */
html[dir="rtl"] .toggle-input:checked + .toggle-btn-visual::after {
  transform: translateX(-22px);
}

/* Row display */
.calc-row-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

/* Fuel Type Select Styles */
.fuel-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.fuel-btn {
  background-color: var(--surface-deep);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-sm);
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  font-weight: 700;
  transition: all var(--transition-speed) var(--transition-smooth);
  font-size: 0.92rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.fuel-btn:hover {
  border-color: rgba(255,255,255,0.15);
  background-color: #121212;
}

.fuel-btn.active[data-fuel="92"] {
  border-color: var(--fuel-92);
  color: var(--text-primary);
  background-color: rgba(55, 138, 221, 0.15);
  box-shadow: 0 0 20px var(--fuel-92-glow);
}

.fuel-btn.active[data-fuel="95"] {
  border-color: var(--fuel-95);
  color: var(--text-primary);
  background-color: rgba(29, 158, 117, 0.15);
  box-shadow: 0 0 20px var(--fuel-95-glow);
}

.fuel-btn.active[data-fuel="diesel"] {
  border-color: var(--fuel-diesel);
  color: var(--text-primary);
  background-color: rgba(211, 84, 0, 0.15);
  box-shadow: 0 0 20px var(--fuel-diesel-glow);
}

/* Results box (Enhanced Glassmorphism) */
.calculator-results {
  background: linear-gradient(180deg, rgba(255,255,255,0.01) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-md);
  padding: 28px;
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: inset 0 2px 10px rgba(255,255,255,0.01);
}

.calc-res-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.calc-res-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-top: 5px;
}

.calc-res-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.calc-res-label i {
  margin-inline-end: 10px;
  font-size: 1.15rem;
  color: var(--primary-gold);
}

.calc-result-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.calc-res-item.highlight-cost {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.04) 0%, rgba(212, 175, 55, 0.01) 100%);
  padding: 20px;
  border-radius: var(--border-radius-sm);
  border: 1.5px solid rgba(212, 175, 55, 0.25);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.calc-res-item.highlight-cost .calc-res-label {
  color: var(--text-primary);
  font-weight: 800;
}

.calc-res-item.highlight-cost .calc-result-value {
  font-size: 2.1rem;
  color: var(--primary-gold);
  font-family: var(--font-english);
  font-weight: 900;
  text-shadow: 0 0 15px rgba(212, 175, 55, 0.35);
}

/* ==========================================
   Features Section
   ========================================== */
.features {
  padding: 120px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background: linear-gradient(145deg, #131313 0%, #0d0d0d 100%);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-lg);
  padding: 45px 35px;
  transition: all var(--transition-speed) var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 22px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

/* Sweeping light glare effect on hover */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(212, 175, 55, 0.06) 50%, transparent 60%);
  transition: transform 0.8s ease;
  transform: translateX(-100%);
  pointer-events: none;
}

.feature-card:hover::before {
  transform: translateX(100%);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: rgba(212, 175, 55, 0.35);
  box-shadow: 
    0 20px 45px rgba(0, 0, 0, 0.7),
    0 0 30px rgba(212, 175, 55, 0.08);
}

.feature-icon {
  width: 65px;
  height: 65px;
  border-radius: var(--border-radius-md);
  background-color: var(--surface-deep);
  border: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  transition: all var(--transition-speed) var(--transition-smooth);
}

.feature-card:hover .feature-icon {
  background-color: var(--primary-gold);
  color: #000;
  transform: rotate(6deg) scale(1.08);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.35);
}

.feature-card h3 {
  font-size: 1.45rem;
  font-weight: 800;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 350;
}

/* ==========================================
   How It Works Section
   ========================================== */
.how-it-works {
  padding: 120px 0;
  background-color: var(--surface-deep);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}

.step-card {
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Step number circular badge (Enhanced) */
.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--surface-color);
  border: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 25px;
  transition: all var(--transition-speed) var(--transition-smooth);
  position: relative;
  z-index: 2;
  box-shadow: 
    0 10px 25px rgba(0,0,0,0.5),
    inset 0 2px 5px rgba(255,255,255,0.05);
}

.step-card:hover .step-number {
  border-color: var(--primary-gold);
  background: linear-gradient(135deg, var(--primary-gold-light), var(--primary-gold));
  color: #000;
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.45);
  transform: scale(1.08) translateY(-3px);
}

/* Step connection line */
.step-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(50% + 40px);
  width: calc(100% - 80px);
  height: 1px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.3), rgba(255,255,255,0.02));
  z-index: 1;
}

/* Support connection line direction swap in RTL */
html[dir="rtl"] .step-card:not(:last-child)::after {
  left: auto;
  right: calc(50% + 40px);
  background: linear-gradient(270deg, rgba(212, 175, 55, 0.3), rgba(255,255,255,0.02));
}

.step-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 800;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
  max-width: 230px;
  font-weight: 350;
}

/* ==========================================
   Download Section
   ========================================== */
.download-cta {
  padding: 140px 0;
  position: relative;
  text-align: center;
  overflow: hidden;
}

.download-box {
  background: linear-gradient(145deg, #121212 0%, #080808 100%);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 70px 50px;
  max-width: 950px;
  margin: 0 auto;
  position: relative;
  box-shadow: 
    0 35px 80px rgba(0, 0, 0, 0.7),
    0 0 50px rgba(212, 175, 55, 0.05);
}

.download-box h2 {
  font-size: 3.2rem;
  margin-bottom: 22px;
  font-weight: 900;
}

.download-box p {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 650px;
  margin: 0 auto 50px auto;
  font-weight: 300;
  line-height: 1.7;
}

.download-badges {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
  align-items: center;
}

.apk-badge-btn {
  background: linear-gradient(135deg, #F3E5AB 0%, var(--primary-gold) 50%, #9E7B1C 100%);
  color: #000;
  padding: 18px 40px;
  border-radius: var(--border-radius-md);
  font-weight: 800;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.35);
  transition: all var(--transition-speed) var(--transition-smooth);
}

.apk-badge-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.6);
}

.apk-badge-btn i {
  font-size: 1.6rem;
}

.apk-badge-btn span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
}

.apk-badge-btn span small {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.85;
}

.store-badge-coming-soon {
  background-color: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 15px 30px;
  border-radius: var(--border-radius-md);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  position: relative;
  cursor: not-allowed;
  user-select: none;
  transition: border-color var(--transition-speed);
}

.store-badge-coming-soon i {
  font-size: 1.6rem;
}

.store-badge-coming-soon span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
}

.store-badge-coming-soon span small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.store-badge-coming-soon::after {
  content: 'Coming Soon';
  position: absolute;
  top: -10px;
  right: -10px;
  background-color: #1a1a1a;
  color: var(--text-secondary);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1.5px solid var(--border-color);
}

html[dir="rtl"] .store-badge-coming-soon::after {
  content: 'قريباً';
  right: auto;
  left: -10px;
}

/* ==========================================
   Footer
   ========================================== */
footer {
  background-color: var(--surface-deep);
  border-top: 1px solid var(--border-color);
  padding: 70px 0 35px 0;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-about .logo {
  margin-bottom: 25px;
}

.footer-about p {
  max-width: 480px;
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 350;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 15px;
}

html[dir="rtl"] .footer-links-col {
  align-items: flex-start;
}

.footer-links-col h4 {
  color: var(--text-primary);
  font-size: 1.15rem;
  margin-bottom: 8px;
  font-weight: 800;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

html[dir="rtl"] .footer-links-col ul {
  align-items: flex-start;
}

.footer-links-col a {
  font-size: 1rem;
  transition: color var(--transition-speed);
}

.footer-links-col a:hover {
  color: var(--primary-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 35px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.95rem;
}

/* ==========================================
   Scroll Animations
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.reveal-left {
  transform: translateX(-40px);
}

.reveal.reveal-right {
  transform: translateX(40px);
}

.reveal.active {
  opacity: 1;
  transform: translate(0);
}

/* ==========================================
   Media Queries & Responsiveness
   ========================================== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 50px;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .step-card::after {
    display: none !important;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links-col {
    align-items: flex-start;
  }
  
  .footer-links-col ul {
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(8, 8, 8, 0.96);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1.5px solid var(--border-color);
    padding: 30px 24px;
    flex-direction: column;
    gap: 25px;
    align-items: stretch;
    z-index: 999;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.8);
  }
  
  nav.active {
    display: flex;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
  
  html[dir="rtl"] .nav-links {
    align-items: flex-start;
  }
  
  .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  
  .lang-toggle {
    justify-content: center;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero {
    padding-top: 150px;
    padding-bottom: 80px;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
    line-height: 1.35;
  }
  
  .hero-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 35px;
  }
  
  .mockup-container {
    width: 240px;
    height: 490px;
    border-radius: 36px;
  }
  
  .mockup-screen {
    border-radius: 28px;
  }
  
  .section-header h2 {
    font-size: 2.1rem;
  }
  
  .download-box h2 {
    font-size: 2.2rem;
  }
  
  .steps-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .step-number {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    margin-bottom: 15px;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 1.85rem;
  }

  .section-header h2 {
    font-size: 1.7rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 12px;
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.95rem;
    white-space: normal;
    text-align: center;
  }

  .calculator-card {
    padding: 24px 18px;
    border-radius: var(--border-radius-md);
  }
  
  .calc-row-split {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .fuel-selector-grid {
    gap: 8px;
  }
  
  .fuel-btn {
    font-size: 0.76rem;
    padding: 12px 2px;
  }

  .calc-res-label {
    font-size: 0.88rem;
  }
  
  .calc-res-item.highlight-cost .calc-result-value {
    font-size: 1.6rem;
  }
  
  .download-box {
    padding: 50px 20px;
  }
  
  .download-box h2 {
    font-size: 1.6rem;
    line-height: 1.3;
  }
  
  .download-box p {
    font-size: 1.1rem;
    margin-bottom: 35px;
  }
  
  .download-badges {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }
  
  .apk-badge-btn {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .apk-badge-btn i {
    font-size: 1.4rem;
  }

  .apk-badge-btn span strong {
    font-size: 0.9rem;
    white-space: normal;
  }

  .store-badge-coming-soon {
    width: 100%;
    justify-content: center;
    padding: 10px 20px;
    font-size: 0.85rem;
  }

  .store-badge-coming-soon i {
    font-size: 1.3rem;
  }
}