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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0f172a;
    --accent: #10b981;
    --background: #ffffff;
    --surface: #f8fafc;
    --surface-2: #f1f5f9;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

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

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

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--text-muted);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--surface);
    color: var(--secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-2);
    border-color: var(--text-light);
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    color: white;
    font-weight: 800;
    font-size: 1.25rem;
    border-radius: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.nav-cta {
    padding: 10px 20px;
    background: var(--secondary);
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-cta:hover {
    background: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--surface);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.hero h1 {
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    max-width: 540px;
}

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

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

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

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    height: 640px;
    background: var(--secondary);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #000;
    border-radius: 20px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 32px;
    overflow: hidden;
    padding: 60px 20px 20px;
}

.call-interface {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.caller-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.caller-avatar {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
}

.caller-name {
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

.ai-response {
    background: rgba(99, 102, 241, 0.15);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 24px;
}

.ai-wave {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.ai-wave span {
    width: 4px;
    height: 16px;
    background: var(--primary-light);
    border-radius: 2px;
    animation: wave 1s ease-in-out infinite;
}

.ai-wave span:nth-child(2) { animation-delay: 0.1s; }
.ai-wave span:nth-child(3) { animation-delay: 0.2s; }
.ai-wave span:nth-child(4) { animation-delay: 0.3s; }
.ai-wave span:nth-child(5) { animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% { height: 16px; }
    50% { height: 8px; }
}

.ai-response p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    line-height: 1.5;
}

.order-items {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.item-name {
    color: white;
    font-size: 0.9rem;
}

.item-price {
    color: var(--accent);
    font-weight: 600;
}

.order-total {
    display: flex;
    justify-content: space-between;
    padding: 16px;
    background: var(--accent);
    border-radius: 12px;
    margin-top: auto;
    color: white;
    font-weight: 700;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.9rem;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: -40px;
}

.card-2 {
    bottom: 25%;
    right: -40px;
    animation-delay: 1.5s;
}

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

.hero-bg-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--surface);
}

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

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

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border-radius: 14px;
    margin-bottom: 20px;
    color: var(--primary);
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
}

.steps {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.step {
    flex: 1;
    max-width: 320px;
    text-align: center;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    margin: 0 auto 24px;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.step-content h3 {
    margin-bottom: 12px;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: var(--surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.benefits-content h2 {
    margin-bottom: 20px;
}

.benefits-content > p {
    margin-bottom: 32px;
    font-size: 1.1rem;
}

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

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-weight: 500;
    color: var(--text);
}

.benefits-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.benefit-card.highlight {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
}

.benefit-icon.lost {
    background: rgba(239, 68, 68, 0.1);
}

.benefit-icon.success {
    background: rgba(16, 185, 129, 0.1);
}

.benefit-text {
    display: flex;
    flex-direction: column;
}

.benefit-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.benefit-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.benefit-value.negative {
    color: #ef4444;
}

.benefit-value.positive {
    color: var(--accent);
}

.revenue-increase {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px;
    background: var(--gradient-2);
    border-radius: var(--radius-lg);
    text-align: center;
}

.revenue-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.revenue-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent);
}

.revenue-period {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: stretch;
}

.pricing-card {
    position: relative;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-1);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 100px;
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-header h3 {
    margin-bottom: 8px;
}

.pricing-header p {
    font-size: 0.9rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 32px;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
}

.price-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
}

.price-period {
    font-size: 1rem;
    color: var(--text-muted);
    margin-left: 4px;
}

.pricing-features {
    list-style: none;
    flex: 1;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--text);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--gradient-2);
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta h2 {
    color: white;
    margin-bottom: 16px;
}

.cta p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.25rem;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    margin-top: 12px;
    max-width: 280px;
}

.footer-contact h4 {
    color: white;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.footer-contact a {
    color: var(--primary-light);
    font-size: 1rem;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

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

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

    .hero-visual {
        display: none;
    }

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

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }
}

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

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}