/* Base Variables */
:root {
    /* Primary Color Palette */
    --primary-900: #0c1e35;
    --primary-800: #163057;
    --primary-700: #1e3c70;
    --primary-600: #2a4d8f;
    --primary-500: #3861ad;
    --primary-400: #5078c8;
    --primary-300: #7694d8;
    --primary-200: #a3b7e9;
    --primary-100: #d4ddf4;
    --primary-50: #eaeef9;

    /* Secondary Color - Accent */
    --accent-900: #331866;
    --accent-800: #482490;
    --accent-700: #5c2db9;
    --accent-600: #7141d9;
    --accent-500: #8f5ff4;
    --accent-400: #a57ff6;
    --accent-300: #bd9ff9;
    --accent-200: #d4bffb;
    --accent-100: #e9dffd;
    --accent-50: #f4effd;

    /* Neutral Colors */
    --neutral-900: #121212;
    --neutral-800: #1e1e1e;
    --neutral-700: #2d2d2d;
    --neutral-600: #3d3d3d;
    --neutral-500: #555555;
    --neutral-400: #777777;
    --neutral-300: #999999;
    --neutral-200: #bbbbbb;
    --neutral-100: #dddddd;
    --neutral-50: #f5f5f5;

    /* Semantic Colors */
    --success-500: #0cce6a;
    --success-100: #e0f5eb;
    --warning-500: #ffb020;
    --warning-100: #fff5e6;
    --error-500: #ff3b5f;
    --error-100: #ffe5e9;
    --info-500: #0288d1;
    --info-100: #e1f1fd;

    /* Dark Mode Colors */
    --dark-bg-primary: #0f1117;
    --dark-bg-secondary: #171923;
    --dark-bg-tertiary: #1e2433;
    --dark-surface: #252c3a;
    --dark-border: #323d52;
    --dark-text-primary: rgba(255, 255, 255, 0.92);
    --dark-text-secondary: rgba(255, 255, 255, 0.6);
    --dark-text-disabled: rgba(255, 255, 255, 0.38);

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing System */
    --space-3xs: 0.25rem;  /* 4px */
    --space-2xs: 0.5rem;   /* 8px */
    --space-xs: 0.75rem;   /* 12px */
    --space-sm: 1rem;      /* 16px */
    --space-md: 1.5rem;    /* 24px */
    --space-lg: 2rem;      /* 32px */
    --space-xl: 3rem;      /* 48px */
    --space-2xl: 4rem;     /* 64px */
    --space-3xl: 6rem;     /* 96px */

    /* Border Radius */
    --radius-sm: 0.25rem;  /* 4px */
    --radius-md: 0.5rem;   /* 8px */
    --radius-lg: 0.75rem;  /* 12px */
    --radius-xl: 1rem;     /* 16px */
    --radius-2xl: 1.5rem;  /* 24px */
    --radius-full: 9999px;

    /* 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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index scale */
    --z-below: -1;
    --z-normal: 1;
    --z-dropdown: 1000;
    --z-sticky: 1100;
    --z-fixed: 1200;
    --z-modal: 1300;
    --z-popover: 1400;
    --z-tooltip: 1500;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--dark-bg-primary);
    color: var(--dark-text-primary);
    font-family: var(--font-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--primary-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-200);
    text-decoration: none;
}

/* Typography */
h1, .h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--space-md);
    background: linear-gradient(120deg, var(--primary-300), var(--accent-300));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2, .h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h3, .h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--primary-300);
}

h4, .h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    margin-bottom: var(--space-xs);
}

p {
    margin-bottom: var(--space-md);
    color: var(--dark-text-secondary);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
}

.lead {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--dark-text-primary);
    margin-bottom: var(--space-lg);
}

.text-gradient {
    background: linear-gradient(120deg, var(--primary-300), var(--accent-300));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-2xl) 0;
    position: relative;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

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

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-cols-1 {
    grid-template-columns: 1fr;
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs) var(--space-md);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    border: none;
    outline: none;
    gap: var(--space-xs);
}

.btn-lg {
    padding: var(--space-sm) var(--space-lg);
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    box-shadow: 0 4px 14px rgba(56, 97, 173, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 97, 173, 0.6);
    background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
}

.btn-secondary {
    background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
    color: white;
    box-shadow: 0 4px 14px rgba(143, 95, 244, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(143, 95, 244, 0.6);
    background: linear-gradient(135deg, var(--accent-700), var(--accent-600));
}

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

.btn-outline:hover {
    border-color: var(--primary-500);
    color: var(--primary-300);
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    padding: var(--space-sm) 0;
    background-color: rgba(15, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(50, 61, 82, 0.5);
    transition: all var(--transition-normal);
}

header.scrolled {
    padding: var(--space-xs) 0;
    background-color: rgba(15, 17, 23, 0.95);
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo span:first-child {
    color: var(--primary-300);
}

.logo span:last-child {
    color: var(--accent-300);
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--space-md);
}

nav a {
    color: var(--dark-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    nav ul {
        position: fixed;
        top: 4rem;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--dark-bg-secondary);
        padding: var(--space-md);
        gap: var(--space-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-normal);
        pointer-events: none;
        z-index: 1000;
    }

    nav ul.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 30%, rgba(56, 97, 173, 0.15), transparent 40%),
        radial-gradient(circle at 90% 70%, rgba(143, 95, 244, 0.15), transparent 40%);
    z-index: -1;
}

.hero-content {
    max-width: 700px;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-10deg);
    transition: all var(--transition-normal);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(-5deg);
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background-color: rgba(56, 97, 173, 0.15);
    color: var(--primary-300);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-md);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--dark-border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-500);
}

.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
    color: var(--primary-300);
}

.feature-content {
    flex: 1;
}

/* How It Works Section */
.steps {
    counter-reset: step;
}

.step {
    display: flex;
    gap: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-xl);
}

.step:last-child {
    padding-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    font-size: 1.25rem;
    color: var(--primary-300);
    border: 2px solid var(--primary-500);
    position: relative;
    z-index: 1;
}

.step-number::before {
    counter-increment: step;
    content: counter(step);
}

.step-content {
    flex: 1;
}

.step:not(:last-child) .step-number::after {
    content: "";
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: calc(100% - 0px);
    background: linear-gradient(to bottom, var(--primary-500), transparent);
    z-index: -1;
}

/* Testimonials Section */
.testimonials-slider {
    position: relative;
    overflow: hidden;
    padding: var(--space-md) 0;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial {
    min-width: 100%;
    padding: 0 var(--space-md);
}

.testimonial-card {
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    border: 1px solid var(--dark-border);
}

.testimonial-card::before {
    content: """;
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 5rem;
    line-height: 1;
    color: var(--primary-500);
    opacity: 0.2;
}

.testimonial-content {
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.testimonial-info h4 {
    margin-bottom: 0;
}

.testimonial-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--dark-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-dot.active {
    background: var(--primary-500);
    transform: scale(1.2);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.pricing-card {
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--dark-border);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary-500);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: "Most Popular";
    position: absolute;
    top: 12px;
    right: -30px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    color: white;
    padding: var(--space-2xs) var(--space-lg);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    transform: rotate(45deg);
    width: 150px;
    text-align: center;
}

.pricing-card:not(.featured):hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-text-primary);
    margin-bottom: var(--space-xs);
}

.pricing-description {
    color: var(--dark-text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2xs);
}

.pricing-price .currency {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--dark-text-secondary);
}

.pricing-price .period {
    font-size: 0.875rem;
    font-weight: var(--font-weight-normal);
    color: var(--dark-text-secondary);
    margin-left: var(--space-2xs);
    align-self: flex-end;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    flex: 1;
}

.pricing-features li {
    margin-bottom: var(--space-xs);
    color: var(--dark-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.pricing-features li::before {
    content: "✓";
    color: var(--success-500);
    font-weight: var(--font-weight-bold);
}

.pricing-features li.disabled {
    color: var(--dark-text-disabled);
    text-decoration: line-through;
}

.pricing-features li.disabled::before {
    content: "✕";
    color: var(--dark-text-disabled);
}

/* Demo Form Section */
.demo-form-container {
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-border);
    position: relative;
    overflow: hidden;
}

.demo-form-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 5% 10%, rgba(56, 97, 173, 0.1), transparent 30%),
        radial-gradient(circle at 95% 90%, rgba(143, 95, 244, 0.1), transparent 30%);
    z-index: 0;
}

.demo-form {
    position: relative;
    z-index: 1;
}

.form-control {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--dark-text-secondary);
    font-weight: var(--font-weight-medium);
}

.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--dark-bg-tertiary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    color: var(--dark-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(56, 97, 173, 0.25);
}

.form-input::placeholder {
    color: var(--dark-text-disabled);
}

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

/* Form Feedback */
#form-feedback {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    font-weight: var(--font-weight-medium);
    display: none;
}

#form-feedback.success {
    background-color: rgba(12, 206, 106, 0.1);
    color: var(--success-500);
    border: 1px solid var(--success-500);
}

#form-feedback.error {
    background-color: rgba(255, 59, 95, 0.1);
    color: var(--error-500);
    border: 1px solid var(--error-500);
}

/* FAQ Section */
.faq-list {
    list-style: none;
}

.faq-item {
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--dark-border);
    padding-bottom: var(--space-md);
}

.faq-question {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-text-primary);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--primary-500);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question::after {
    content: "−";
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-900), var(--accent-900));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 50%, rgba(56, 97, 173, 0.4), transparent 50%),
        radial-gradient(circle at 90% 50%, rgba(143, 95, 244, 0.4), transparent 50%);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

/* Footer */
footer {
    background: var(--dark-bg-secondary);
    padding: var(--space-xl) 0 var(--space-lg);
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
}

.footer-about {
    max-width: 300px;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
    color: var(--dark-text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--dark-text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-300);
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--dark-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    transform: translateY(-3px);
    color: var(--dark-text-primary);
    background: var(--primary-700);
}

.copyright {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--dark-border);
    margin-top: var(--space-xl);
    color: var(--dark-text-secondary);
    font-size: 0.875rem;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Animation */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* Live Demo Component Styles */
.demo-container {
    background: var(--dark-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    border: 1px solid var(--dark-border);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    min-height: 400px;
    position: relative;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.demo-tabs {
    display: flex;
    border-bottom: 1px solid var(--dark-border);
    margin-bottom: var(--space-md);
}

.demo-tab {
    padding: var(--space-xs) var(--space-md);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--dark-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.demo-tab.active {
    color: var(--primary-300);
    border-bottom-color: var(--primary-500);
}

.demo-content {
    display: none;
}

.demo-content.active {
    display: block;
}

.paper-input {
    width: 100%;
    min-height: 200px;
    padding: var(--space-sm);
    background: var(--dark-bg-primary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    color: var(--dark-text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.demo-result {
    background: var(--dark-bg-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    min-height: 200px;
    border: 1px solid var(--dark-border);
}

.demo-action-btn {
    display: block;
    margin: var(--space-md) auto;
}

.loader {
    display: none;
    width: 40px;
    height: 40px;
    border: 4px solid var(--dark-border);
    border-top: 4px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 40px auto;
}

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

/* Responsive Media Queries */
@media (max-width: 768px) {
    section {
        padding: var(--space-xl) 0;
    }

    .hero {
        padding-top: var(--space-lg);
        min-height: auto;
    }

    .hero-content {
        text-align: center;
    }

    .hero-image {
        margin-top: var(--space-lg);
        text-align: center;
    }

    .hero-image img {
        max-width: 90%;
        transform: none;
    }

    .feature-card {
        padding: var(--space-md);
    }

    .step {
        flex-direction: column;
        gap: var(--space-sm);
        padding-bottom: var(--space-lg);
    }

    .step-number::after {
        left: 25px !important;
        top: 50px !important;
        height: calc(100% + var(--space-lg)) !important;
        transform: none !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--dark-bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-700);
}

/* Utility Classes */
.w-full {
    width: 100%;
}

.mt-md {
    margin-top: var(--space-md);
}

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

.mt-xl {
    margin-top: var(--space-xl);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

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

/* Additional Animation Effects */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes slideInRight {
    0% { transform: translateX(50px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

.slide-in-right {
    animation: slideInRight 0.5s forwards;
}

@keyframes slideInLeft {
    0% { transform: translateX(-50px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

.slide-in-left {
    animation: slideInLeft 0.5s forwards;
}

/* Enhanced Gradient Text */
.gradient-text {
    background: linear-gradient(to right, var(--primary-300), var(--accent-400));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Enhanced Card Hover Effects */
.enhanced-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.enhanced-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, 
                rgba(56, 97, 173, 0.05), 
                rgba(143, 95, 244, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.enhanced-card:hover::after {
    opacity: 1;
}

.enhanced-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Performance Optimizations */
img.lazy {
    transition: opacity 0.3s;
    opacity: 0;
}

img.lazy.loaded {
    opacity: 1;
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .no-print {
        display: none;
    }
    
    a {
        color: #3861ad;
        text-decoration: underline;
    }
    
    .container {
        width: 100%;
        max-width: 100%;
    }
}
/* Contact Form Section */
.contact-section {
    padding: var(--space-2xl) 0;
    position: relative;
    background: var(--dark-bg-primary);
    overflow: hidden;
}

.contact-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 30%, rgba(56, 97, 173, 0.1), transparent 40%),
        radial-gradient(circle at 90% 70%, rgba(143, 95, 244, 0.1), transparent 40%);
    z-index: 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* Contact Info Panel */
.contact-info-panel {
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-border);
    overflow: hidden;
    position: relative;
    height: 100%;
}

.contact-info-panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-500), var(--accent-500));
}

.contact-info-content {
    padding: var(--space-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.contact-info-panel h3 {
    color: var(--primary-300);
    margin-bottom: var(--space-sm);
    font-size: 1.75rem;
}

.contact-info-panel p {
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-md);
}

/* Contact Info Items */
.contact-info-items {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.contact-info-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    transition: transform var(--transition-normal);
}

.contact-info-item:hover {
    transform: translateX(5px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--dark-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-300);
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: all var(--transition-normal);
    border: 1px solid var(--dark-border);
}

.contact-info-item:hover .contact-icon {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(56, 97, 173, 0.3);
}

.contact-details h4 {
    margin-bottom: var(--space-2xs);
    color: var(--dark-text-primary);
    font-size: 1.125rem;
}

.contact-details p {
    margin-bottom: 0;
    color: var(--dark-text-secondary);
}

.contact-details a {
    color: var(--primary-300);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.contact-details a:hover {
    color: var(--primary-200);
    text-decoration: underline;
}

/* Social Links */
.social-links-wrapper {
    margin-top: auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--dark-border);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-xs);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--dark-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text-secondary);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-link:hover {
    transform: translateY(-5px);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.social-link:nth-child(1):hover {
    background: #1DA1F2; /* Twitter blue */
}

.social-link:nth-child(2):hover {
    background: #0A66C2; /* LinkedIn blue */
}

.social-link:nth-child(3):hover {
    background: #1877F2; /* Facebook blue */
}

.social-link:nth-child(4):hover {
    background: #E4405F; /* Instagram pink */
}

/* Contact Form Panel */
.contact-form-panel {
    background: var(--dark-bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-border);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-form-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.contact-form-panel::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 30%;
    height: 5px;
    background: linear-gradient(to left, var(--accent-500), var(--primary-500));
}

.form-container {
    padding: var(--space-lg);
}

/* Form Elements */
.contact-form h3 {
    margin-bottom: var(--space-xs);
    color: var(--dark-text-primary);
    font-size: 1.75rem;
}

.form-intro {
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-md);
}

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

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-control {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--dark-text-secondary);
    font-weight: var(--font-weight-medium);
}

.required {
    color: var(--error-500);
    margin-left: 4px;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-text-secondary);
    transition: color var(--transition-fast);
}

.textarea-wrapper .input-icon {
    top: var(--space-sm);
    transform: none;
}

.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-sm) var(--space-sm) calc(var(--space-lg) + var(--space-xs));
    background: var(--dark-bg-tertiary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    color: var(--dark-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-textarea {
    padding-top: calc(var(--space-sm) + var(--space-lg));
    resize: vertical;
    min-height: 120px;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(56, 97, 173, 0.25);
}

.form-input:focus + .input-icon,
.input-wrapper:hover .input-icon {
    color: var(--primary-300);
}

.form-input::placeholder {
    color: var(--dark-text-disabled);
}

/* Checkbox style */
.checkbox-control {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
}

.checkbox-control input[type="checkbox"] {
    margin-top: 0.25rem;
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-sm);
    background: var(--dark-bg-tertiary);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}

.checkbox-control input[type="checkbox"]:checked {
    background: var(--primary-500);
    border-color: var(--primary-500);
}

.checkbox-control input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    color: white;
    font-size: 12px;
    font-weight: bold;
    top: -1px;
    left: 3px;
}

.checkbox-control label {
    font-size: 0.875rem;
    color: var(--dark-text-secondary);
    user-select: none;
}

/* Submit button */
.submit-btn {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 14px rgba(56, 97, 173, 0.4);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 97, 173, 0.6);
    background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
}

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

/* Form feedback messages */
#form-feedback {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-medium);
    animation: fadeInDown 0.3s ease-out forwards;
}

@keyframes fadeInDown {
    from { 
        opacity: 0; 
        transform: translateY(-10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Error states for form inputs */
.form-input.error {
    border-color: var(--error-500);
    background-color: rgba(255, 59, 95, 0.05);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(255, 59, 95, 0.2);
}

.field-error {
    color: var(--error-500);
    font-size: 0.875rem;
    margin-top: var(--space-2xs);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Loading spinner animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s linear infinite;
}