/* ========================================
   LOAN BUDDY - PREMIUM LANDING PAGE STYLES
   Modern, Vibrant, and Performance-Optimized
   ======================================== */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

/* ========================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ======================================== */

:root {
    /* Primary Brand Colors - Vibrant and Modern */
    --primary-blue: #2563eb;
    --primary-purple: #7c3aed;
    --primary-teal: #0d9488;
    --accent-orange: #f59e0b;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    
    /* Gradient Combinations */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --gradient-hero: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #ecfdf5 100%);
    --gradient-card: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-gradient: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* UI Elements */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #94a3b8;
    
    /* Shadows - Layered and Modern */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-blue: 0 10px 25px -5px rgba(37, 99, 235, 0.25);
    --shadow-purple: 0 10px 25px -5px rgba(124, 58, 237, 0.25);
    --shadow-teal: 0 10px 25px -5px rgba(13, 148, 136, 0.25);
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1070;
}

/* ========================================
   TYPOGRAPHY SYSTEM
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.25rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.125rem); }

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    object-fit: cover;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
    background: rgba(37, 99, 235, 0.1);
}

.nav-link.cta-btn {
    background: var(--gradient-primary);
    color: var(--text-white) !important;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-blue);
    transform: translateY(0);
}

.nav-link.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-color: #000000; /* Fallback color */
    background: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(0, 0, 0, 0.6) 100%),
        url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=90') center/cover no-repeat;
    background-attachment: fixed;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0.3;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(100px);
    animation: float 8s ease-in-out infinite;
}

.hero-shape.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-secondary);
    top: 50%;
    right: -5%;
    animation-delay: 7s;
}

.hero-shape.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--gradient-accent);
    bottom: 10%;
    left: 20%;
    animation-delay: 14s;
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    min-height: 80vh;
}

.hero-text {
    z-index: 5;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-lg);
    margin-bottom: var(--space-xl);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.hero-badge i {
    color: var(--accent-orange);
}

.hero-title {
    margin-bottom: var(--space-xl);
    line-height: 1.1;
    color: var(--text-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
}

.highlight-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.highlight-item i {
    color: var(--primary-blue);
    font-size: 1.125rem;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: 0;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:active .btn-ripple {
    width: 300px;
    height: 300px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-blue);
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--text-white);
    border: 2px solid var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.hero-stats {
    display: none;
    /* Maintain original grid structure but hidden */
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-base);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    line-height: 1;
    min-height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    font-variant-numeric: tabular-nums;
    font-family: 'Poppins', monospace;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    min-height: 450px;
    z-index: 2;
    padding: var(--space-xl) 0;
}

.hero-image-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    margin: 0 auto;
}

.hero-main-image {
    width: 100%;
    height: auto;
    min-height: 400px;
    object-fit: cover;
    display: block;
}

.success-badge-hero {
    position: absolute;
    top: 20%;
    right: 10%;
    background: var(--gradient-secondary);
    color: var(--text-white);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: pulse 3s infinite;
    z-index: 10;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.float-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    pointer-events: auto;
    min-width: 180px;
    max-width: 200px;
}

.float-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.card-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-xs) 0;
}

.card-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

.card-1 { top: 5%; left: 5%; animation: float 8s ease-in-out infinite; }
.card-2 { top: 5%; right: 5%; animation: float 6s ease-in-out infinite reverse; }
.card-3 { top: 40%; left: 5%; animation: float 10s ease-in-out infinite; }
.card-4 { top: 40%; right: 5%; animation: float 7s ease-in-out infinite reverse; }

/* Buttons inside hero-visual */
.hero-visual .hero-buttons {
    position: relative;
    z-index: 10;
    margin-top: auto;
    padding-top: var(--space-2xl);
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    overflow: hidden;
}

.hero-wave svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* ========================================
   SECTION COMPONENTS
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.section-title {
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    padding: var(--space-4xl) 0;
    background: var(--bg-secondary);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.about-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.about-card .card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    background: var(--gradient-primary);
    font-size: 1.5rem;
}

.about-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-md);
    font-size: 0.9rem;
}

.card-stats {
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-light);
}

.card-stats span {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-card);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-blue);
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services {
    padding: var(--space-4xl) 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.service-card.featured {
    border: 2px solid var(--primary-blue);
    transform: scale(1.05);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: var(--space-lg);
    background: var(--gradient-accent);
    color: var(--text-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.service-header h3 {
    font-size: 1.375rem;
    margin: 0;
    color: var(--text-primary);
}

.service-amount {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.service-rate {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-green);
    margin-bottom: var(--space-xl);
    padding: var(--space-sm) var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    display: inline-block;
}

.service-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.service-features i {
    color: var(--accent-green);
    font-size: 0.875rem;
    width: 16px;
}

.service-btn {
    width: 100%;
    padding: var(--space-lg);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-btn.primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-blue);
}

.service-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.service-btn:not(.primary) {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.service-btn:not(.primary):hover {
    background: var(--primary-blue);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* ========================================
   CALCULATOR SECTION
   ======================================== */

.calculator-section {
    padding: var(--space-4xl) 0;
    background: var(--bg-tertiary);
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.calculator-form {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

.calculator-form h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    text-align: center;
}

.input-group {
    margin-bottom: var(--space-xl);
}

.input-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
}

.input-wrapper {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-md);
    align-items: center;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-sm);
    background: var(--border-light);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

.input-wrapper input[type="number"] {
    width: 120px;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    text-align: center;
    background: var(--bg-secondary);
}

.input-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.calculate-btn {
    width: 100%;
    padding: var(--space-lg);
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.calculator-results {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.calculator-results h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
    text-align: center;
}

.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.result-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.result-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    margin: 0 auto var(--space-md);
}

.result-content h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-content p {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.chart-container {
    margin-bottom: var(--space-2xl);
    height: 300px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.loan-breakdown {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.loan-breakdown h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-item span:first-child {
    color: var(--text-secondary);
}

.breakdown-item span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.apply-btn {
    width: 100%;
    padding: var(--space-lg);
    background: var(--gradient-secondary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-teal);
}

/* ========================================
   PROCESS SECTION
   ======================================== */

.process {
    padding: var(--space-4xl) 0;
    background: var(--bg-primary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.step {
    text-align: center;
    position: relative;
    padding: var(--space-lg);
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    max-width: 280px;
    margin: 0 auto;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    margin: 0 auto var(--space-md);
    position: relative;
    z-index: 2;
}

.step-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* .step-connector {
    position: absolute;
    top: 30px;
    right: -50%;
    width: 80px;
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-purple));
    z-index: 1;
} */

.step:last-child .step-connector {
    display: none;
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */

.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--bg-secondary);
}

.testimonials-container {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
}

.testimonial-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    display: none;
    opacity: 0;
    transform: translateX(100px);
    transition: all var(--transition-slow);
}

.testimonial-card.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.student-photo {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-blue);
    flex-shrink: 0;
}

.student-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.university-badge {
    position: absolute;
    bottom: -5px;
    right: -5px;
    background: var(--bg-primary);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
}

.student-info {
    flex-grow: 1;
}

.student-info h4 {
    font-size: 1.25rem;
    margin: 0 0 var(--space-xs) 0;
    color: var(--text-primary);
}

.student-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 var(--space-xs) 0;
    font-weight: 600;
}

.student-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.rating {
    color: var(--accent-orange);
    font-size: 1rem;
}

.testimonial-content {
    position: relative;
    margin-bottom: var(--space-xl);
}

.quote-mark {
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 4rem;
    color: var(--primary-blue);
    opacity: 0.3;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    font-style: italic;
    padding-left: var(--space-xl);
}

.loan-details {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-light);
}

.detail-item {
    text-align: center;
}

.detail-item span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.detail-item strong {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.testimonial-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
}

.nav-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    color: var(--primary-blue);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: var(--primary-blue);
    color: var(--text-white);
    transform: scale(1.1);
}

.nav-dots {
    display: flex;
    gap: var(--space-sm);
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-medium);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-dot.active {
    background: var(--primary-blue);
    transform: scale(1.3);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    padding: var(--space-4xl) 0;
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.highlight-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    margin: 0 auto var(--space-md);
}

.highlight-card h4 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.highlight-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.detail-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.detail-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.detail-content h4 {
    font-size: 1rem;
    margin: 0 0 var(--space-xs) 0;
    color: var(--text-primary);
}

.detail-content p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0 0 var(--space-xs) 0;
}

.detail-content span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.contact-form-container {
    position: sticky;
    top: 100px;
}

.contact-form {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    text-align: center;
}

.contact-form > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    position: relative;
    margin-bottom: var(--space-xl);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-lg) var(--space-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: var(--bg-secondary);
    transition: all var(--transition-base);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: var(--bg-primary);
}

.form-group label {
    position: absolute;
    left: var(--space-md);
    top: var(--space-lg);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: all var(--transition-base);
    background: var(--bg-secondary);
    padding: 0 var(--space-sm);
    border-radius: var(--radius-sm);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group select:focus ~ label,
.form-group select:not([value=""]) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    transform: translateY(-2.5rem) scale(0.875);
    color: var(--primary-blue);
    background: var(--bg-primary);
}

.form-group input:focus ~ label,
.form-group select:focus ~ label,
.form-group textarea:focus ~ label {
    background: var(--bg-primary);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-checkbox label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    cursor: pointer;
}

.form-checkbox a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

.form-checkbox a:hover {
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    padding: var(--space-lg);
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.submit-btn.loading .btn-loader {
    opacity: 1;
}

.submit-btn.loading span {
    opacity: 0;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.form-footer {
    text-align: center;
}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.security-badge i {
    color: var(--accent-green);
}

.response-time {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    color: var(--text-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: 0.875rem;
}

.footer-section ul li a:hover {
    color: var(--text-white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-logo img {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
}

.contact-item i {
    color: var(--primary-blue);
    width: 16px;
}

.certifications {
    margin-top: var(--space-lg);
}

.certifications h4 {
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
    color: var(--text-white);
}

.cert-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.cert-badge {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--text-white);
}

/* ========================================
   COMPONENTS & UTILITIES
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.loading-spinner {
    text-align: center;
}

.loading-spinner .spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-blue);
    margin: 0 auto var(--space-lg);
}

.loading-spinner p {
    color: var(--text-secondary);
    font-weight: 600;
}

#notification-container {
    position: fixed;
    top: 100px;
    right: var(--space-xl);
    z-index: var(--z-tooltip);
    max-width: 400px;
}

.notification {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: slideInRight 0.3s ease-out;
}

.notification.success {
    border-left: 4px solid var(--accent-green);
}

.notification.error {
    border-left: 4px solid #ef4444;
}

.notification.warning {
    border-left: 4px solid var(--accent-orange);
}

.notification.info {
    border-left: 4px solid var(--primary-blue);
}

.notification i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.notification.success i { color: var(--accent-green); }
.notification.error i { color: #ef4444; }
.notification.warning i { color: var(--accent-orange); }
.notification.info i { color: var(--primary-blue); }

.notification-content {
    flex-grow: 1;
}

.notification h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
    color: var(--text-primary);
}

.notification p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.notification-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

@keyframes fadeInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    .hero-content {
        gap: var(--space-2xl);
    }
    
    .calculator-container {
        gap: var(--space-2xl);
    }
    
    .contact-content {
        gap: var(--space-2xl);
    }
    
    .services-grid {
        gap: var(--space-lg);
    }
    
    .about-grid {
        gap: var(--space-md);
    }
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
    
    .step-connector {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        background-attachment: scroll; /* Fixed attachment can cause issues on mobile */
    }
    
    .nav-container {
        padding: var(--space-md) var(--space-lg);
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--space-3xl);
        transition: left var(--transition-base);
        border-top: 1px solid var(--border-light);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-highlights {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .floating-cards {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
        margin-top: var(--space-xl);
    }
    
    .float-card {
        position: static;
        animation: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .service-card.featured {
        transform: none;
    }
    
    .calculator-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .calculator-form {
        position: static;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-form-container {
        position: static;
    }
    
    .contact-highlights {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1rem;
        --space-2xl: 1.5rem;
        --space-3xl: 2rem;
        --space-4xl: 3rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .about-card h3 {
        font-size: 1rem;
    }
    
    .about-card p {
        font-size: 0.875rem;
    }
    
    .hero {
        padding-top: 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .floating-cards {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .result-cards {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .testimonial-navigation {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .back-to-top {
        bottom: var(--space-lg);
        right: var(--space-lg);
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    #notification-container {
        right: var(--space-md);
        left: var(--space-md);
        max-width: none;
    }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* GPU acceleration for smooth animations */
.hero-shape,
.float-card,
.btn-primary,
.btn-secondary,
.about-card,
.service-card,
.testimonial-card {
    will-change: transform;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .float-card {
        animation: none !important;
    }
    
    .hero-shape {
        animation: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #000000;
        --border-light: #000000;
        --bg-primary: #ffffff;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-light: #334155;
        --border-medium: #475569;
    }
}

/* Print styles */
@media print {
    .navbar,
    .floating-cards,
    .hero-shapes,
    .back-to-top,
    .testimonial-navigation,
    .social-links {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section-title,
    .hero-title {
        color: black !important;
    }
}

/* ========================================
   FOCUS STYLES FOR ACCESSIBILITY
   ======================================== */

button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.nav-link:focus {
    outline-offset: 4px;
}

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-blue);
    color: white;
    padding: 8px;
    border-radius: 4px;
    text-decoration: none;
    z-index: var(--z-tooltip);
}

.skip-link:focus {
    top: 6px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   FINAL TOUCHES
   ======================================== */

/* Smooth scrolling for Safari */
@media screen and (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Ensure images don't break layout */
img {
    max-width: 100%;
    height: auto;
}

/* Better text rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Selection styles */
::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-purple);
}