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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #f1f5f9;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(129, 140, 248, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(192, 132, 252, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

section {
    padding: 5rem 0;
    position: relative;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5rem 0;
}

.hero-badge {
    display: inline-block;
    background: rgba(129, 140, 248, 0.15);
    border: 1px solid rgba(129, 140, 248, 0.3);
    color: #a5b4fc;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #a5b4fc 0%, #c084fc 50%, #f472b6 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.35rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.hero-hint {
    color: #94a3b8;
    font-size: 0.95rem;
    margin-top: 0.75rem;
}

/* Hero Visual — пример дашборда */
.hero-dashboard {
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    background: rgba(30, 30, 30, 0.9);
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
}

.dashboard-card {
    background: rgba(10, 10, 10, 0.5);
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid rgba(129, 140, 248, 0.15);
}

.dashboard-card .card-label {
    color: #94a3b8;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.dashboard-card .card-value {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-card .card-change {
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.dashboard-card .card-change.positive { color: #34d399; }
.dashboard-card .card-change.negative { color: #ef4444; }

.review-preview {
    grid-column: 1 / -1;
    display: flex;
    gap: 1rem;
}

.review-item {
    flex: 1;
    background: rgba(10, 10, 10, 0.5);
    border-radius: 12px;
    padding: 1rem;
    border-left: 3px solid;
}

.review-item.negative { border-color: #ef4444; }
.review-item.positive { border-color: #34d399; }
.review-item.neutral { border-color: #818cf8; }

.review-item .review-source {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-bottom: 0.5rem;
}

.review-item .review-text {
    font-size: 0.9rem;
    color: #e2e8f0;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.review-item .review-ai {
    font-size: 0.8rem;
    color: #a5b4fc;
    font-style: italic;
    padding: 0.5rem;
    background: rgba(129, 140, 248, 0.1);
    border-radius: 6px;
}

@media (max-width: 768px) {
    .hero-dashboard {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .review-preview {
        flex-direction: column;
    }
}

/* Buttons */
button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    margin: 0;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    outline: none;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(129, 140, 248, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(129, 140, 248, 0.5);
}

.btn-secondary {
    background: rgba(129, 140, 248, 0.1);
    color: #a5b4fc;
    border: 2px solid rgba(129, 140, 248, 0.3);
}

.btn-secondary:hover {
    background: rgba(129, 140, 248, 0.2);
    border-color: rgba(129, 140, 248, 0.5);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

/* Section headings */
h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #a5b4fc 0%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pain Points Section */
.pain-points {
    background: rgba(30, 30, 30, 0.3);
}

.pain-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pain-card {
    padding: 2rem;
    background: rgba(10, 10, 10, 0.5);
    border-radius: 16px;
    border: 1px solid rgba(239, 68, 68, 0.2);
    transition: all 0.3s ease;
}

.pain-card:hover {
    transform: translateY(-3px);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.1);
}

.pain-card .pain-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.pain-card h3 {
    color: #f1f5f9;
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.pain-card p {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(129, 140, 248, 0.2);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(129, 140, 248, 0.2);
    border-color: rgba(129, 140, 248, 0.4);
}

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

.feature-card h3 {
    color: #a5b4fc;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #cbd5e1;
    font-size: 1rem;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: rgba(30, 30, 30, 0.5);
}

.steps-preview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.step-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(129, 140, 248, 0.1);
}

.step-card .step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step-card h3 {
    color: #f1f5f9;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* Section CTA */
.section-cta {
    text-align: center;
    margin-top: 2.5rem;
}

.section-cta .cta-hint {
    margin-top: 0.75rem;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    border: 1px solid rgba(129, 140, 248, 0.2);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(10, 10, 10, 0.5);
}

.faq-question h3 {
    color: #f1f5f9;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-toggle {
    color: #818cf8;
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: #cbd5e1;
    line-height: 1.8;
}

/* Final CTA Section with Form */
.final-cta {
    background: rgba(30, 30, 30, 0.5);
    text-align: center;
    padding: 5rem 0;
}

.final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 3rem;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(129, 140, 248, 0.2);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(129, 140, 248, 0.2);
    border-radius: 12px;
    background: rgba(10, 10, 10, 0.5);
    color: #f1f5f9;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input::placeholder {
    color: #94a3b8;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #818cf8;
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.1);
}

.form-trust {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #94a3b8;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background: rgba(52, 211, 153, 0.2);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Responsive */
@media (max-width: 900px) {
    .steps-preview {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .pain-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    h2 {
        font-size: 2rem;
    }
    section {
        padding: 3rem 0;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .steps-preview {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    .contact-form {
        padding: 1.5rem;
    }
}