/* ===================================
   KBERCS - Customer Support AI Platform
   Stylesheet with Sophisticated Design
   =================================== */

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

:root {
    /* Primary Colors */
    --primary-purple: #667EEA;
    --primary-purple-dark: #764BA2;
    --primary-purple-light: #8B9EF5;

    /* Secondary Colors */
    --secondary-pink: #F093FB;
    --secondary-pink-dark: #F5576C;
    --secondary-blue: #4FACFE;
    --secondary-blue-dark: #00F2FE;
    --secondary-green: #43E97B;
    --secondary-green-dark: #38F9D7;
    --secondary-yellow: #FEE140;
    --secondary-orange: #FA709A;

    /* 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;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* 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);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Container */
    --container-width: 1280px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.75rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

p {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--gray-600);
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Section Styles */
section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-purple);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
    transition: all var(--transition-base);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    transition: width var(--transition-base);
}

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

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

.nav-link-cta {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: var(--white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-lg);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--spacing-4xl) + 80px);
    padding-bottom: var(--spacing-4xl);
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1400px;
    height: 1400px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1.25rem;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-purple);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 50%, var(--secondary-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.375rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.hero-visual {
    margin-top: var(--spacing-4xl);
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero-illustration {
    width: 100%;
    max-width: 700px;
    height: auto;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* Typing Indicator Animation */
@keyframes dotPulse {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.dot-1 {
    animation: dotPulse 1.4s infinite;
}

.dot-2 {
    animation: dotPulse 1.4s infinite 0.2s;
}

.dot-3 {
    animation: dotPulse 1.4s infinite 0.4s;
}

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

.floating-element {
    animation: float 3s ease-in-out infinite;
}

/* Trusted By Section */
.trusted-by {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.trusted-label {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xl);
}

.integration-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.logo-item {
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.logo-item:hover {
    opacity: 1;
}

/* Features Section */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

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

.feature-icon {
    margin-bottom: var(--spacing-lg);
    display: inline-block;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.feature-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-purple);
    font-weight: 700;
    font-size: 1.125rem;
}

/* How It Works Section */
.how-it-works {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.steps-container {
    max-width: 1000px;
    margin: 0 auto;
}

.step-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    bottom: -48px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    opacity: 0.2;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    flex-shrink: 0;
}

.step-content {
    padding-top: var(--spacing-sm);
}

.step-title {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.step-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.step-visual {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
}

.step-visual svg {
    width: 100%;
    height: auto;
    display: block;
}

/* Integrations Section */
.integrations {
    background: var(--white);
}

.integration-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.integration-category {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
    color: var(--gray-900);
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.integration-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    text-align: center;
}

.integration-card:hover {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.integration-logo {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.integration-card h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.integration-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Use Cases Section */
.use-cases {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
}

.use-case-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.use-case-card:hover {
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.use-case-icon {
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    align-self: flex-start;
}

.use-case-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.use-case-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.use-case-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-badge {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-text {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* Technical Capabilities Section */
.technical-capabilities {
    background: var(--white);
}

.capabilities-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.capability-feature {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.capability-feature:hover {
    background: var(--white);
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-lg);
}

.capability-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.capability-header h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
}

.capability-feature p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* Contact Section */
.contact {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contact-info {
    position: sticky;
    top: 120px;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.contact-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.benefit-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit-item h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.benefit-item p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1rem;
    color: var(--gray-700);
}

.detail-item a {
    color: var(--primary-purple);
    font-weight: 500;
}

.detail-item a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    position: relative;
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    background: var(--white);
    color: var(--gray-900);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.checkbox-group {
    margin-bottom: var(--spacing-xl);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--gray-700);
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    cursor: pointer;
}

.form-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: center;
    margin-top: var(--spacing-lg);
    line-height: 1.6;
}

.contact-form button[type="submit"] {
    width: 100%;
    justify-content: center;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-3xl);
}

.form-success.active {
    display: block;
}

.form-success svg {
    margin: 0 auto var(--spacing-xl);
}

.form-success h3 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.form-success p {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, #0F172A 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.footer-brand {
    max-width: 500px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-logo svg {
    width: 36px;
    height: 36px;
}

.footer-logo span {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-400);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.875rem;
    color: var(--gray-400);
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color var(--transition-base);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.25rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact-info {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .step-item {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-lg);
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .step-item:not(:last-child)::after {
        left: 30px;
        top: 60px;
    }

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

    .capabilities-layout {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .use-case-stats {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .contact {
        display: none;
    }

    body {
        background: var(--white);
        color: var(--gray-900);
    }
}

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Selection Styles */
::selection {
    background: rgba(102, 126, 234, 0.2);
    color: var(--gray-900);
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.2);
    color: var(--gray-900);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-purple);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--primary-purple);
    outline-offset: 2px;
}

/* Skip to Content */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-purple);
    color: var(--white);
    padding: 0.5rem 1rem;
    text-decoration: none;
    z-index: 10000;
}

.skip-to-content:focus {
    top: 0;
}