/* ========================================
   BLIN - Intelligent Onboarding Platform
   Styles
   ======================================== */

/* ========================================
   CSS Reset & Base Styles
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Purple Colors */
    --purple-900: #581C87;
    --purple-800: #6B21A8;
    --purple-700: #7C3AED;
    --purple-600: #8B5CF6;
    --purple-500: #A78BFA;
    --purple-400: #C4B5FD;
    --purple-300: #DDD6FE;
    --purple-200: #E9D5FF;
    --purple-100: #F3E8FF;
    --purple-50: #FAF5FF;

    /* Neutral Colors */
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;

    /* Accent Colors */
    --blue-500: #3B82F6;
    --blue-100: #DBEAFE;
    --green-500: #10B981;
    --green-100: #D1FAE5;
    --yellow-500: #F59E0B;
    --yellow-100: #FEF3C7;
    --red-500: #EF4444;
    --pink-500: #EC4899;
    --pink-100: #FCE7F3;

    /* Semantic Colors */
    --white: #FFFFFF;
    --black: #000000;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;

    /* 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);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 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: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

ul {
    list-style: none;
}

/* ========================================
   Utility Classes
   ======================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--purple-100);
    color: var(--purple-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1rem;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-600) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.39);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--purple-800) 0%, var(--purple-700) 100%);
    box-shadow: 0 6px 20px 0 rgba(124, 58, 237, 0.5);
    transform: translateY(-2px);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--purple-700);
    border: 2px solid var(--purple-700);
}

.btn-secondary:hover {
    background: var(--purple-50);
    border-color: var(--purple-800);
    color: var(--purple-800);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu li a {
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
}

.nav-menu li a:not(.btn-primary):hover {
    color: var(--purple-700);
}

.nav-menu li a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purple-700), var(--purple-500));
    transition: width var(--transition-base);
}

.nav-menu li a:not(.btn-primary):hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: transparent;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 1.5rem;
    height: 2px;
    background: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

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

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(0.5rem, 0.5rem);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(0.5rem, -0.5rem);
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--purple-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--purple-100);
    color: var(--purple-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

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

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

@media (max-width: 968px) {
    .hero {
        padding: 4rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .hero-visual {
        order: -1;
    }

    .hero-visual svg {
        max-width: 100%;
        height: auto;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* ========================================
   Animations
   ======================================== */

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

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

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

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

.animate-slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

/* ========================================
   Trust Bar
   ======================================== */

.trust-bar {
    padding: 2rem 0;
    background: var(--gray-50);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* ========================================
   Features Overview
   ======================================== */

.features-overview {
    padding: 6rem 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--purple-300);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.feature-card > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.feature-list li {
    padding-left: 1.75rem;
    margin-bottom: 0.875rem;
    position: relative;
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 0.5rem;
    height: 0.5rem;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    border-radius: 50%;
}

@media (max-width: 768px) {
    .features-overview {
        padding: 4rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-card {
        padding: 2rem;
    }
}

/* ========================================
   How It Works - Timeline
   ======================================== */

.how-it-works {
    padding: 6rem 0;
    background: var(--gray-50);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--purple-300) 0%, var(--purple-500) 100%);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
}

.timeline-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.39);
}

.timeline-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.timeline-visual {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.timeline-text h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.timeline-period {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--purple-100);
    color: var(--purple-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-text > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.timeline-details h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.timeline-details ul {
    list-style: none;
    padding: 0;
}

.timeline-details li {
    padding-left: 1.75rem;
    margin-bottom: 1.25rem;
    position: relative;
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.timeline-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    border-radius: 50%;
}

.timeline-details li strong {
    color: var(--gray-900);
    font-weight: 600;
}

@media (max-width: 768px) {
    .how-it-works {
        padding: 4rem 0;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-number {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .timeline-visual svg {
        max-width: 100%;
        height: auto;
    }

    .timeline-text h3 {
        font-size: 1.5rem;
    }
}

/* ========================================
   Benefits Section
   ======================================== */

.benefits {
    padding: 6rem 0;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.benefit-card {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.benefit-card:hover {
    border-color: var(--purple-300);
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.benefit-icon {
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.benefit-card > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.benefit-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.metric {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.benefit-card:hover .metric {
    border-color: var(--purple-200);
    background: var(--purple-50);
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .benefits {
        padding: 4rem 0;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .benefit-card {
        padding: 2rem;
    }

    .benefit-metrics {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Advanced Features
   ======================================== */

.advanced-features {
    padding: 6rem 0;
    background: var(--gray-50);
}

.advanced-features-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.advanced-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.advanced-feature:nth-child(even) .advanced-feature-visual {
    order: 2;
}

.advanced-feature:nth-child(even) .advanced-feature-content {
    order: 1;
}

.advanced-feature-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.advanced-feature-content > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

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

.advanced-feature-content li {
    padding-left: 1.75rem;
    margin-bottom: 1.25rem;
    position: relative;
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.advanced-feature-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    border-radius: 50%;
}

.advanced-feature-content li strong {
    color: var(--gray-900);
    font-weight: 600;
}

.advanced-feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 968px) {
    .advanced-features {
        padding: 4rem 0;
    }

    .advanced-feature {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }

    .advanced-feature:nth-child(even) .advanced-feature-visual {
        order: 1;
    }

    .advanced-feature:nth-child(even) .advanced-feature-content {
        order: 2;
    }

    .advanced-feature-visual svg {
        max-width: 100%;
        height: auto;
    }

    .advanced-feature-content h3 {
        font-size: 1.5rem;
    }
}

/* ========================================
   Integrations
   ======================================== */

.integrations {
    padding: 6rem 0;
    background: var(--white);
}

.integration-categories {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.integration-category {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
}

.integration-category-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.integration-icon {
    flex-shrink: 0;
}

.integration-category h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.integration-category > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.integration-list li {
    padding-left: 1.75rem;
    margin-bottom: 1.25rem;
    position: relative;
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.integration-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-500) 100%);
    border-radius: 50%;
}

.integration-list li strong {
    color: var(--gray-900);
    font-weight: 600;
}

.integration-cta {
    margin-top: 4rem;
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--purple-50) 0%, var(--purple-100) 100%);
    border-radius: var(--radius-2xl);
}

.integration-cta h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.integration-cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .integrations {
        padding: 4rem 0;
    }

    .integration-category {
        padding: 2rem;
    }

    .integration-category-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .integration-cta {
        padding: 2rem;
    }

    .integration-cta h3 {
        font-size: 1.5rem;
    }
}

/* ========================================
   Demo Section
   ======================================== */

.demo-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--purple-700) 0%, var(--purple-600) 100%);
    position: relative;
    overflow: hidden;
}

.demo-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.demo-text {
    color: var(--white);
}

.demo-text .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.demo-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--white);
}

.demo-text > p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.demo-features {
    list-style: none;
    padding: 0;
}

.demo-features li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.demo-features li svg {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.demo-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes cardSlide {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.8;
        transform: translateY(-5px);
    }
}

.demo-card {
    animation: cardSlide 3s ease-in-out infinite;
}

.demo-button {
    cursor: pointer;
}

@media (max-width: 968px) {
    .demo-section {
        padding: 4rem 0;
    }

    .demo-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .demo-text h2 {
        font-size: 2rem;
    }

    .demo-visual svg {
        max-width: 100%;
        height: auto;
    }
}

/* ========================================
   Contact Section
   ======================================== */

.contact-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    box-shadow: var(--shadow-2xl);
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.contact-info > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-detail {
    display: flex;
    gap: 1.25rem;
}

.contact-detail-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--purple-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-detail h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact-detail p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-detail a {
    color: var(--purple-700);
    font-weight: 500;
}

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

.contact-hours {
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.contact-hours h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.contact-hours p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Form Styles */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--purple-500);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    accent-color: var(--purple-700);
}

.checkbox-label span {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.form-note {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
    margin-top: 1rem;
}

@media (max-width: 968px) {
    .contact-section {
        padding: 4rem 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 2rem;
    }

    .contact-info h2 {
        font-size: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 4rem 0 2rem;
    background: var(--gray-900);
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand svg {
    margin-bottom: 1.5rem;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 350px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: 0.875rem;
}

.footer-column a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ========================================
   Responsive Utilities
   ======================================== */

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn-large {
        width: 100%;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .navbar,
    .hero-buttons,
    .contact-form,
    .footer {
        display: none;
    }
}

/* ========================================
   Accessibility
   ======================================== */

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

*:focus-visible {
    outline: 2px solid var(--purple-500);
    outline-offset: 2px;
}

/* ========================================
   Performance Optimizations
   ======================================== */

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

/* ========================================
   Dark Mode Support (Optional)
   ======================================== */

@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode
    :root {
        --bg-primary: #111827;
        --bg-secondary: #1F2937;
        --text-primary: #F9FAFB;
        --text-secondary: #D1D5DB;
        --border-color: #374151;
    }
    */
}

/* ========================================
   Loading States
   ======================================== */

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--purple-200);
    border-top-color: var(--purple-700);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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