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

:root {
    /* Colors */
    --primary-color: #007AFF;
    --primary-hover: #0056CC;
    --secondary-color: #5E5CE6;
    --accent-color: #FF9500;
    --text-primary: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-light: #8E8E93;
    --background: #FFFFFF;
    --surface: #F5F5F7;
    --border: #E5E5EA;
    --success: #34C759;
    --error: #FF3B30;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --grid-gap: 2rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}


body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo a {
    text-decoration: none;
    color: inherit;
}

.logo-text {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
}

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

.contact-btn {
    background: var(--primary-color);
    color: white !important;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem !important;
}

.contact-btn:hover {
    background: var(--primary-hover) !important;
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding-top: 70px;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: var(--grid-gap);
    align-items: center;
}

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

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
}

/* Animated Scenario Text */
.animated-scenario {
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
    min-width: 200px;
    text-align: left;
}

.animated-scenario::after {
    content: '│';
    color: #000000;
    animation: blink 1s infinite;
    margin-left: 2px;
    font-weight: 300;
}

.animated-scenario.typing::after {
    animation: blink 1s infinite;
}

.animated-scenario.completed::after {
    animation: none;
    opacity: 0;
}


@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

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

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

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

.hero-graphic {
    width: 400px;
    height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-voice-visual {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-wave {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

.voice-wave:nth-child(2) {
    animation-delay: 0.5s;
    transform: scale(0.8);
}

.voice-wave:nth-child(3) {
    animation-delay: 1s;
    transform: scale(0.6);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

/* Section Styles */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* Use Cases Section */
.use-cases {
    padding: var(--section-padding);
    background: var(--background);
}

.use-cases-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

.use-case-card {
    background: var(--background);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

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

.use-case-icon {
    margin-bottom: 1rem;
    color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.use-case-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.use-case-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Interactive Use Cases Layout */
.interactive-use-cases {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
    align-items: start;
}

.service-list-panel {
    padding: 2rem 0;
}

.panel-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.service-list {
    display: flex;
    flex-direction: column;
}

.service-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

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

.service-item:hover {
    color: var(--primary-color);
}

.service-item.active {
    color: var(--primary-color);
}

.service-item.active::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--primary-color);
    border-radius: 2px;
}

.service-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: inherit;
}

.service-item p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.service-item.active p {
    color: var(--text-secondary);
}

/* Call Interface Styles */
.call-panel {
    position: sticky;
    top: 2rem;
}

.call-interface {
    background: var(--background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border);
}

.call-header {
    background: var(--surface);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.call-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.call-scenario {
    font-weight: 600;
    color: var(--primary-color);
    font-size: var(--font-size-sm);
}

.call-timer {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.call-conversation {
    padding: 2rem;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.speaker-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    opacity: 0.4;
    transition: var(--transition);
    margin: 2rem 0;
}

.speaker-section.active {
    opacity: 1;
}

.speaker-avatar {
    position: relative;
    flex-shrink: 0;
}

.avatar-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: var(--transition);
    border: 3px solid transparent;
}

.ai-avatar {
    background: rgba(0, 122, 255, 0.7);
    color: white;
}

.customer-avatar {
    background: var(--text-light);
    color: white;
}

.speaker-section.active .avatar-circle {
    border-color: var(--success);
    box-shadow: 0 0 20px rgba(52, 199, 89, 0.3);
    transform: scale(1.05);
}

.voice-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    opacity: 0;
    transition: var(--transition);
}

.speaker-section.active .voice-waves {
    opacity: 1;
}

.voice-waves .wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(52, 199, 89, 0.3);
    border-radius: 50%;
    animation: voice-wave 1.5s infinite;
}

.voice-waves .wave:nth-child(1) {
    width: 70px;
    height: 70px;
    animation-delay: 0s;
}

.voice-waves .wave:nth-child(2) {
    width: 80px;
    height: 80px;
    animation-delay: 0.3s;
}

.voice-waves .wave:nth-child(3) {
    width: 90px;
    height: 90px;
    animation-delay: 0.6s;
}

.voice-waves .wave:nth-child(4) {
    width: 100px;
    height: 100px;
    animation-delay: 0.9s;
}

.speech-bubble {
    flex: 1;
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    border-left: 4px solid transparent;
    min-height: 50px;
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.speaker-section.active .speech-bubble {
    opacity: 1;
    transform: translateX(0);
}

.ai-speech {
    border-left-color: transparent;
}

.customer-speech {
    border-left-color: transparent;
}


@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes voice-wave {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.4);
        opacity: 0;
    }
}


/* Legacy Features Section (for backward compatibility) */
.features {
    padding: var(--section-padding);
    background: var(--background);
}

.features-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

.feature-card {
    background: var(--background);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    margin-bottom: 1rem;
    color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Services Overview */
.services-overview {
    padding: var(--section-padding);
    background: var(--surface);
}

.services-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.services-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.services-visual {
    order: 2;
}

.services-text {
    padding-left: 2rem;
}

.services-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: left;
}

.services-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.services-list {
    list-style: none;
    margin-bottom: 2rem;
}

.services-list li {
    padding: 0.75rem 0;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.services-list li svg {
    color: var(--primary-color);
    flex-shrink: 0;
    transition: var(--transition);
}

.services-list li:hover svg {
    transform: scale(1.1);
}

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

.services-graphic {
    width: 400px;
    height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.services-ai-visual {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-wave {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--secondary-color);
    border-radius: 50%;
    opacity: 0.4;
    animation: servicePulse 3s infinite;
}

.service-wave:nth-child(2) {
    animation-delay: 0.8s;
    transform: scale(0.7);
    border-color: var(--accent-color);
}

.service-wave:nth-child(3) {
    animation-delay: 1.6s;
    transform: scale(0.4);
    border-color: var(--primary-color);
}

.service-center {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.ai-icon {
    color: var(--primary-color);
    animation: rotate 8s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-item {
    position: absolute;
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 0.8rem;
    box-shadow: var(--shadow);
    animation: float 4s ease-in-out infinite;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.floating-item:nth-child(1) {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.floating-item:nth-child(2) {
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.floating-item:nth-child(3) {
    bottom: 25%;
    left: 15%;
    animation-delay: 2s;
}

.floating-item:nth-child(4) {
    bottom: 15%;
    right: 20%;
    animation-delay: 3s;
}

.floating-item:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.floating-item::after {
    content: attr(data-text);
    position: absolute;
    bottom: -2.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--background);
    padding: 0.3rem 0.8rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.floating-item:hover::after {
    opacity: 1;
}

@keyframes servicePulse {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
    100% {
        transform: scale(1);
        opacity: 0.4;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.service-showcase {
    background: var(--background);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}

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

.showcase-content h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Stats Section */
.stats {
    padding: var(--section-padding);
    background: var(--primary-color);
    color: white;
}

.stats-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--grid-gap);
}

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

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* CTA Section */
.cta {
    padding: var(--section-padding);
    background: var(--surface);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.footer-desc {
    color: #A1A1AA;
    line-height: 1.6;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #A1A1AA;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact p {
    color: #A1A1AA;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #A1A1AA;
}

/* Page-specific Styles */
.services-hero,
.about-hero,
.portfolio-hero,
.contact-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
}

.services-hero .hero-container,
.about-hero .hero-container,
.portfolio-hero .hero-container,
.contact-hero .hero-container {
    display: block;
    text-align: center;
}

/* Services Page */
.main-services {
    padding: var(--section-padding);
}

.main-services .services-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.service-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: var(--transition);
}

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

.service-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

/* Process Timeline */
.process {
    padding: var(--section-padding);
    background: var(--surface);
}

.process-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.process-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    padding-top: 0.5rem;
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Benefits Grid */
.benefits {
    padding: var(--section-padding);
}

.benefits-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--grid-gap);
}

.benefit-item {
    text-align: center;
    padding: 1.5rem;
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.benefit-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Form */
.contact-content {
    padding: var(--section-padding);
}

.contact-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.form-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    padding-left: 1rem;
}

.contact-form {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: none;
}

.privacy-link:hover {
    text-decoration: underline;
}

/* Contact Info */
.info-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: var(--border-radius);
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 0.25rem;
}

/* Form Messages */
.form-message {
    margin-top: 1rem;
}

.success-message {
    padding: 1rem;
    background: #d1fae5;
    color: #065f46;
    border-radius: var(--border-radius);
    border: 1px solid #a7f3d0;
}

.error-message {
    padding: 1rem;
    background: #fee2e2;
    color: #991b1b;
    border-radius: var(--border-radius);
    border: 1px solid #fecaca;
}

/* FAQ */
.faq {
    padding: var(--section-padding);
    background: var(--surface);
}

.faq-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--grid-gap);
}

.faq-item {
    background: var(--background);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
}

.faq-question {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Portfolio Specific */
.portfolio-stats {
    padding: var(--section-padding);
    background: var(--primary-color);
    color: white;
}

.case-studies {
    padding: var(--section-padding);
}

.case-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.case-study.featured {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    margin-bottom: 4rem;
}

.case-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.case-category {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 1rem;
}

.case-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.case-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.case-results h4,
.case-features h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.results-list {
    list-style: none;
    margin-bottom: 2rem;
}

.results-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.case-mockup {
    background: var(--background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.mockup-header {
    background: var(--surface);
    padding: 1rem;
    font-weight: 600;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.mockup-content {
    padding: 1.5rem;
}

.chat-message {
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    border-radius: var(--border-radius);
    max-width: 80%;
}

.chat-message.user {
    background: var(--primary-color);
    color: white;
    margin-left: auto;
}

.chat-message.ai {
    background: var(--surface);
    color: var(--text-primary);
}

/* Case Studies Grid */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--grid-gap);
}

.case-study-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: var(--transition);
}

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

.case-metrics {
    margin-top: 1.5rem;
    display: flex;
    gap: 2rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Industry Coverage */
.industry-coverage {
    padding: var(--section-padding);
    background: var(--surface);
}

.industry-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.industry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--background);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.industry-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.industry-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
    color: var(--text-secondary);
}

/* Testimonials */
.testimonials {
    padding: var(--section-padding);
}

.testimonials-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--grid-gap);
}

.testimonial-card {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    border-left: 4px solid var(--primary-color);
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-size: var(--font-size-sm);
}

.testimonial-author strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--text-light);
}

/* About Page Specific */
.mission-vision {
    padding: var(--section-padding);
}

.mv-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--grid-gap);
}

.mv-item {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--surface);
    border-radius: var(--border-radius-lg);
}

.mv-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.mv-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.mv-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Company Story */
.company-story {
    padding: var(--section-padding);
    background: var(--surface);
}

.story-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.story-text {
    max-width: none;
}

.story-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.story-timeline {
    background: var(--background);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
}

.timeline-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

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

.timeline-year {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
    min-width: 60px;
}

.timeline-content h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Core Values */
.core-values {
    padding: var(--section-padding);
}

.values-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--grid-gap);
}

.value-card {
    text-align: center;
    padding: 2rem;
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.value-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Team */
.team {
    padding: var(--section-padding);
    background: var(--surface);
}

.team-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.team-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

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

/* Process Steps for Contact */
.consultation-info {
    margin-top: 2rem;
}

.process-steps .process-step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.process-steps .step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.process-steps .step-content {
    flex: 1;
}

.process-steps .step-content h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

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

/* Responsive Design */
@media (max-width: 650px) {
    .interactive-use-cases {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .call-panel {
        position: static;
        order: 2;
    }
    
    .service-list-panel {
        order: 1;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 120px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-graphic {
        width: 300px;
        height: 300px;
    }
    
    .services-content,
    .case-content,
    .story-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-visual {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid,
    .features-grid,
    .use-cases-grid,
    .services-grid,
    .benefits-grid,
    .values-grid,
    .case-studies-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    .team-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .case-metrics {
        justify-content: center;
    }
    
    .industry-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .process-timeline {
        gap: 1.5rem;
    }
    
    .process-step {
        gap: 1rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .case-study.featured {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container,
    .nav-container,
    .hero-container,
    .features-container,
    .services-container,
    .stats-container,
    .cta-container,
    .footer-container,
    .case-container,
    .contact-container,
    .benefits-container,
    .mv-container,
    .story-container,
    .values-container,
    .team-container,
    .process-container,
    .industry-container,
    .testimonials-container,
    .faq-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .feature-card,
    .use-case-card,
    .service-card,
    .benefit-item,
    .value-card,
    .case-study-card,
    .testimonial-card,
    .faq-item {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .case-study.featured {
        padding: 1.5rem;
    }
    
    .chat-demo-container {
        margin: 2rem auto;
    }
    
    .chat-demo {
        margin: 0 0.5rem;
    }
    
    .chat-header {
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .chat-messages {
        padding: 1rem;
        min-height: 250px;
    }
    
    .message-bubble {
        max-width: 90%;
        font-size: var(--font-size-xs);
    }
    
    .interactive-use-cases {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .call-panel {
        position: static;
        order: 2;
    }
    
    .service-list-panel {
        order: 1;
    }
    
    .call-conversation {
        padding: 1.5rem;
    }
    
    .speaker-section {
        gap: 1rem;
    }
    
    .avatar-circle {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-sm);
    }
    
    .voice-waves {
        width: 70px;
        height: 70px;
    }
    
    .voice-waves .wave:nth-child(1) {
        width: 60px;
        height: 60px;
    }
    
    .voice-waves .wave:nth-child(2) {
        width: 70px;
        height: 70px;
    }
    
    .voice-waves .wave:nth-child(3) {
        width: 80px;
        height: 80px;
    }
    
    .voice-waves .wave:nth-child(4) {
        width: 90px;
        height: 90px;
    }
    
    .speech-bubble {
        font-size: var(--font-size-sm);
        padding: 0.75rem 1rem;
    }
    
    .service-item {
        padding: 1rem 0;
    }
    
    .service-item.active::before {
        left: 0;
    }
}

/* Desktop Styles */
@media (min-width: 769px) {
    .hero-container {
        flex-direction: row;
        align-items: center;
    }
    
    .hero-content {
        order: 1;
        flex: 1;
    }
    
    .hero-visual {
        order: 2;
        flex: 1;
    }
}