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

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #8B5CF6;
    --accent: #EC4899;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-dark: #111827;
    --border: #E5E7EB;
    --gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover .logo-image {
    transform: scale(1.05);
}

/* Footer logo styling */
.footer .logo-image {
    height: 36px;
}

/* Ensure logo is visible on dark footer background */
.footer .logo {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 12px;
    border-radius: 8px;
    display: inline-flex;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Buttons */
.btn-primary, .btn-outline, .btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-block;
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0 80px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.avatar-preview {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.avatar-container {
    width: 320px;
    height: 320px;
    margin: 0 auto;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    padding: 8px;
}

.avatar-face-wrapper {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    background: white;
}

.avatar-face-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    animation: subtleMove 8s ease-in-out infinite;
}

.expression-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: expressionPulse 4s ease-in-out infinite;
}

.eye-highlight {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    pointer-events: none;
    animation: eyeSparkle 3s ease-in-out infinite;
}

.eye-highlight.left {
    top: 35%;
    left: 30%;
    animation-delay: 0s;
}

.eye-highlight.right {
    top: 35%;
    right: 30%;
    animation-delay: 0.5s;
}

/* Expression animations */
.avatar-container.idle .avatar-face-image {
    filter: brightness(1) contrast(1) saturate(1);
    animation: subtleMove 8s ease-in-out infinite, subtleBlink 4s ease-in-out infinite;
}

.avatar-container.talking .avatar-face-image {
    filter: brightness(1.05) contrast(1.1) saturate(1.1);
    animation: talkingExpression 0.6s ease-in-out infinite, subtleMove 6s ease-in-out infinite;
}

.avatar-container.smiling .avatar-face-image {
    filter: brightness(1.08) contrast(1.05) saturate(1.15);
    transform: scale(1.02);
}

.avatar-container.listening .avatar-face-image {
    filter: brightness(1.02) contrast(1.05);
    animation: listeningExpression 3s ease-in-out infinite;
}

.play-button {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 10;
    transition: all 0.3s ease;
    color: var(--primary);
}

.play-button:hover {
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.play-button:active {
    transform: translateX(-50%) scale(0.95);
}

.play-button.playing {
    background: var(--accent);
    color: white;
}

.play-button.playing svg {
    display: none;
}

.play-button.playing::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 3px solid white;
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.chat-bubble {
    position: absolute;
    top: -80px;
    right: -60px;
    background: white;
    padding: 18px 24px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    max-width: 280px;
    animation: pulse 2s ease-in-out infinite;
    z-index: 5;
    transition: transform 0.3s ease;
}

.chat-bubble::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 30px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid white;
}

.chat-bubble p {
    margin: 0;
    font-size: 14px;
    color: var(--text-primary);
}

/* Hero Background */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -150px;
    left: -150px;
    animation-delay: 2s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-description {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Coming Soon Section */
.coming-soon {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.coming-soon-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.coming-soon-item {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0.85;
}

.coming-soon-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
    opacity: 1;
}

.coming-soon-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.coming-soon-item:hover .coming-soon-icon {
    background: var(--gradient);
    color: white;
    transform: scale(1.1);
}

.coming-soon-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.coming-soon-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 14px;
}

.badge-coming {
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* How It Works Section */
.how-it-works {
    background: var(--bg-secondary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    position: relative;
}

.step {
    position: relative;
}

.step-number {
    font-size: 72px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    margin-bottom: 16px;
}

.step-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Pricing Section */
.pricing {
    background: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.currency {
    font-size: 20px;
    color: var(--text-secondary);
}

.amount {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    font-size: 16px;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    position: relative;
    padding-left: 24px;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-grid-two {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
}

/* Installation Section */
.installation {
    background: var(--bg-secondary);
}

.installation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.code-block {
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-header span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.copy-btn svg {
    width: 16px;
    height: 16px;
}

.code-block pre {
    margin: 0;
    padding: 24px;
    overflow-x: auto;
}

.code-block code {
    color: #10B981;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.install-step {
    display: flex;
    gap: 20px;
    align-items: start;
}

.install-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.install-step h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

.install-step code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--primary);
}

/* CTA Section */
.cta {
    background: var(--gradient);
    color: white;
    text-align: center;
    padding: 100px 0;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

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

.cta .btn-primary:hover {
    background: var(--bg-secondary);
}

.cta .btn-outline {
    border-color: white;
    color: white;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
}

.footer .logo {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

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

@keyframes subtleMove {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(-2px, -1px) scale(1.01);
    }
    50% {
        transform: translate(1px, -2px) scale(1);
    }
    75% {
        transform: translate(-1px, 1px) scale(1.01);
    }
}

@keyframes subtleBlink {
    0%, 90%, 100% {
        filter: brightness(1) contrast(1);
    }
    95% {
        filter: brightness(0.95) contrast(0.98);
    }
}

@keyframes talkingExpression {
    0%, 100% {
        transform: scale(1) translateY(0);
        filter: brightness(1.05) contrast(1.1) saturate(1.1);
    }
    25% {
        transform: scale(1.02) translateY(-1px);
        filter: brightness(1.08) contrast(1.12) saturate(1.15);
    }
    50% {
        transform: scale(1.01) translateY(0);
        filter: brightness(1.06) contrast(1.1) saturate(1.12);
    }
    75% {
        transform: scale(1.02) translateY(-1px);
        filter: brightness(1.08) contrast(1.12) saturate(1.15);
    }
}

@keyframes listeningExpression {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    25% {
        transform: rotate(-1deg) scale(1.01);
    }
    50% {
        transform: rotate(0deg) scale(1);
    }
    75% {
        transform: rotate(1deg) scale(1.01);
    }
}

@keyframes expressionPulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes eyeSparkle {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Active talking state - enhanced expressions */
.avatar-container.talking .expression-overlay {
    animation: expressionPulse 1s ease-in-out infinite;
    background: radial-gradient(circle at 30% 30%, rgba(255, 200, 200, 0.15) 0%, transparent 50%);
}

.avatar-container.talking .eye-highlight {
    animation: eyeSparkle 1.5s ease-in-out infinite;
}

.avatar-container.listening .expression-overlay {
    background: radial-gradient(circle at 30% 30%, rgba(200, 220, 255, 0.1) 0%, transparent 50%);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--bg-primary);
    margin: auto;
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 32px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.contact-form {
    padding: 32px;
}

.contact-form .form-message {
    margin-bottom: 24px;
    margin-top: 0;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.required {
    color: var(--accent);
}

.optional {
    color: var(--text-light);
    font-weight: 400;
    font-size: 12px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: var(--accent);
}

.error-message {
    display: none;
    color: #EF4444;
    font-size: 13px;
    margin-top: 6px;
    min-height: 18px;
    font-weight: 500;
}

.error-message:not(:empty) {
    display: block;
}

.field-invalid {
    border-color: #EF4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.field-valid {
    border-color: #10B981 !important;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-question {
    background: var(--bg-secondary);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    min-width: 120px;
    text-align: center;
    border: 2px solid var(--border);
}

#captcha {
    flex: 1;
}

.btn-refresh-captcha {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.btn-refresh-captcha:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: rotate(180deg);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 32px;
}

.form-actions button {
    min-width: 120px;
}

.form-message {
    margin-top: 0;
    margin-bottom: 24px;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    display: none;
    line-height: 1.5;
}

.form-message.success {
    display: block;
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #10B981;
}

.form-message.error {
    display: block;
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #EF4444;
}
    display: block;
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #10B981;
}

.form-message.error {
    display: block;
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #EF4444;
}

.btn-loader {
    display: inline-block;
    animation: spin 1s linear infinite;
}

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

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

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

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

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

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

    .pricing-grid-two {
        grid-template-columns: 1fr;
    }

    .installation-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .nav-menu {
        display: none;
    }

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

    .hero-title {
        font-size: 36px;
    }

    .hero-description {
        font-size: 18px;
    }

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

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

    .section-title {
        font-size: 32px;
    }

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

    .coming-soon-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

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

    .modal-content {
        max-width: 100%;
        margin: 10px;
        max-height: 95vh;
    }

    .modal-header {
        padding: 24px 20px 16px;
    }

    .modal-header h2 {
        font-size: 24px;
    }

    .contact-form {
        padding: 24px 20px;
    }

    .captcha-container {
        flex-wrap: wrap;
    }

    .captcha-question {
        min-width: 100px;
        font-size: 16px;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions button {
        width: 100%;
    }
}