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

:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #f59e0b;
    --accent-color: #06b6d4;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Shadows */
    --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);
    
    /* 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;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Background Elements */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: -5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    top: 30%;
    right: 30%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, -20px) rotate(90deg);
    }
    50% {
        transform: translate(-10px, 20px) rotate(180deg);
    }
    75% {
        transform: translate(-20px, -10px) rotate(270deg);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--primary-color);
}

.brand-icon {
    font-size: var(--font-size-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

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

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

/* Hero Section */
.hero-section {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

/* Access Form */
.access-form-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-2xl);
}

.access-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.input-container {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: var(--font-size-lg);
    z-index: 2;
}

.email-input {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 3rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: var(--transition-base);
    outline: none;
}

.email-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.email-input:focus {
    border-color: var(--secondary-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
}

.input-focus-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
}

.email-input:focus + .input-focus-border {
    width: 100%;
}

.access-btn {
    width: 100%;
    background: var(--gradient-secondary);
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
}

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

.access-btn:active {
    transform: translateY(0);
}

.access-btn.loading .btn-text,
.access-btn.loading .btn-icon {
    opacity: 0;
}

.access-btn.loading .btn-loading {
    opacity: 1;
}

.btn-loading {
    position: absolute;
    opacity: 0;
    transition: var(--transition-base);
}

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

.form-help p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* Hero Visual */
.hero-visual {
    animation: slideInRight 1s ease-out;
}

.dashboard-preview {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.preview-header {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.preview-title {
    color: var(--white);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.preview-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.preview-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.preview-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.card-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
}

.card-info h4 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.card-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    transition: var(--transition-base);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
}

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

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.visual-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--gray-100);
}

.visual-card i {
    font-size: var(--font-size-4xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.visual-card h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.visual-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 40px 0 20px;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-700);
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .access-form-container {
        padding: var(--spacing-lg);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-400: #666666;
        --gray-500: #555555;
        --gray-600: #444444;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-shape {
        animation: none;
    }
}