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

body {
    font-family: 'Inter', sans-serif;
    color: #1E293B;
    line-height: 1.5;
    background-color: #FFFFFF;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Типография */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: #0F172A;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #475569;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.text-accent {
    color: #2563EB;
}

.text-gradient {
    background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Кнопки */
.btn {
    display: inline-block;
    background-color: #2563EB;
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    text-align: center;
}

.btn:hover {
    background-color: #1D4ED8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4);
}

.btn--small {
    padding: 10px 20px;
    font-size: 1rem;
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn--outline {
    background-color: transparent;
    color: #2563EB;
    border: 2px solid #2563EB;
}

.btn--outline:hover {
    background-color: #2563EB;
    color: white;
}

.btn--submit {
    width: 100%;
    margin-top: 1rem;
}

/* Шапка */
.header {
    padding: 20px 0;
    border-bottom: 1px solid #E2E8F0;
    background-color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: #0F172A;
}

.logo-accent {
    color: #2563EB;
}

.header__contact {
    display: flex;
    gap: 15px;
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.03) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #0F172A;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 2rem;
}

.hero__stats {
    display: flex;
    gap: 40px;
    margin: 40px 0;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2563EB;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: #64748B;
    margin-top: 5px;
}

.hero__actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero__img {
    max-width: 100%;
    border-radius: 30px;
    box-shadow: 0 30px 60px -15px rgba(0,0,0,0.2);
}

/* Партнеры */
.partners {
    padding: 40px 0;
    background-color: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
}

.partners__title {
    text-align: center;
    color: #64748B;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.partners__grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    opacity: 0.7;
}

.partners__grid img {
    height: 40px;
    filter: grayscale(1);
    transition: all 0.2s;
}

.partners__grid img:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* Концепция */
.concept {
    padding: 80px 0;
}

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

.concept__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #0F172A;
}

.concept__features {
    list-style: none;
}

.concept__features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.concept__features i {
    color: #2563EB;
    font-size: 1.25rem;
    width: 24px;
}

.concept__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    background: #F8FAFC;
    padding: 40px;
    border-radius: 30px;
}

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

.concept-stat__number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #2563EB;
}

.concept-stat__label {
    font-size: 1rem;
    color: #475569;
    margin-top: 5px;
}

/* Проблема и решение */
.problem-solution {
    padding: 80px 0;
    background-color: #0F172A;
    color: white;
}

.problem-solution .section-title {
    color: white;
}

.problem-solution .section-subtitle {
    color: #94A3B8;
}

.comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.comparison-card {
    background: rgba(255,255,255,0.05);
    border-radius: 30px;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.comparison-card--problem {
    border-bottom: 4px solid #EF4444;
}

.comparison-card--solution {
    border-bottom: 4px solid #10B981;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.comparison-card__title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comparison-card__title i {
    font-size: 2rem;
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    margin-bottom: 1rem;
    padding-left: 30px;
    position: relative;
    color: #CBD5E1;
}

.comparison-list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: #EF4444;
    font-weight: bold;
}

.comparison-list--good li::before {
    content: "✓";
    color: #10B981;
}

/* Основатель */
.founder {
    padding: 80px 0;
}

.founder__card {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    background: #F8FAFC;
    border-radius: 40px;
    padding: 50px;
    align-items: start;
}

.founder__name {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #0F172A;
}

.founder__title {
    font-size: 1.25rem;
    color: #2563EB;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.founder__exp {
    color: #64748B;
    margin-bottom: 2rem;
}

.founder__quote {
    font-size: 1.2rem;
    font-style: italic;
    color: #1E293B;
    background: white;
    padding: 25px;
    border-radius: 20px;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: 0 10px 20px -10px rgba(0,0,0,0.1);
}

.founder__quote i {
    color: #2563EB;
    opacity: 0.3;
    font-size: 2rem;
    position: absolute;
    top: 10px;
    left: 10px;
}

.founder__achievements h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #0F172A;
}

.founder__achievements ul {
    list-style: none;
}

.founder__achievements li {
    margin-bottom: 0.75rem;
    display: flex;
    gap: 10px;
    color: #475569;
}

.founder__achievements i {
    color: #2563EB;
    font-size: 1rem;
    margin-top: 4px;
}

.founder__photo img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.2);
}

/* Портфолио */
.portfolio {
    padding: 80px 0;
    background-color: #F8FAFC;
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.portfolio-item {
    background: white;
    padding: 30px;
    border-radius: 24px;
    box-shadow: 0 4px 6px -2px rgba(0,0,0,0.05);
    transition: all 0.2s;
    border: 1px solid #E2E8F0;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    border-color: #2563EB;
}

.portfolio-item__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #0F172A;
}

.portfolio-item__desc {
    color: #475569;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.portfolio-item__link {
    color: #2563EB;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.portfolio-item__link:hover {
    text-decoration: underline;
}

.portfolio-item__link i {
    font-size: 0.9rem;
}

/* Технологии */
.tech {
    padding: 80px 0;
}

.tech__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tech-item {
    text-align: center;
    padding: 30px 20px;
    background: #F8FAFC;
    border-radius: 24px;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.tech-item:hover {
    border-color: #2563EB;
    transform: translateY(-5px);
}

.tech-icon {
    font-size: 3rem;
    color: #2563EB;
    margin-bottom: 1.5rem;
}

.tech-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #0F172A;
}

.tech-item p {
    color: #475569;
    font-size: 0.95rem;
}

/* Таблица преимуществ */
.advantages {
    padding: 80px 0;
    background-color: #F8FAFC;
}

.advantages-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 6px -2px rgba(0,0,0,0.05);
    margin-top: 40px;
}

.advantages-table th {
    background-color: #0F172A;
    color: white;
    font-weight: 600;
    padding: 20px;
    text-align: left;
    font-size: 1.1rem;
}

.advantages-table td {
    padding: 20px;
    border-bottom: 1px solid #E2E8F0;
    color: #475569;
}

.advantages-table tr:last-child td {
    border-bottom: none;
}

.advantages-table tr:hover td {
    background-color: #F1F5F9;
}

.advantages-table td:first-child {
    font-weight: 600;
    color: #0F172A;
}

.advantages-table td:last-child {
    color: #2563EB;
    font-weight: 500;
}

/* Финансовая модель */
.financial {
    padding: 80px 0;
}

.financial__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.financial-card {
    background: white;
    padding: 40px 30px;
    border-radius: 30px;
    text-align: center;
    border: 1px solid #E2E8F0;
    transition: all 0.2s;
}

.financial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -10px rgba(37, 99, 235, 0.1);
    border-color: #2563EB;
}

.financial-card--popular {
    border: 2px solid #2563EB;
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.2);
}

.financial-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #0F172A;
}

.financial-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2563EB;
    margin-bottom: 1rem;
}

.financial-card p {
    color: #64748B;
}

.financial-plan {
    margin-top: 60px;
    text-align: center;
}

.financial-plan h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: #0F172A;
}

.plan-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.plan-steps::before {
    content: "";
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #2563EB 0%, #93C5FD 100%);
    z-index: 0;
}

.plan-step {
    background: white;
    padding: 30px 20px;
    border-radius: 20px;
    box-shadow: 0 10px 20px -10px rgba(0,0,0,0.1);
    flex: 1;
    position: relative;
    z-index: 1;
    border: 1px solid #E2E8F0;
    text-align: center;
}

.plan-year {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: #2563EB;
    margin-bottom: 0.5rem;
}

.plan-target {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: #0F172A;
    margin-bottom: 0.5rem;
}

.plan-status {
    display: block;
    color: #64748B;
    font-size: 0.95rem;
}

/* Форма */
.form-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: white;
}

.form-section .section-title,
.form-section .section-subtitle {
    color: white;
}

.form-section .section-subtitle {
    color: #CBD5E1;
}

.form-container {
    max-width: 600px;
    margin: 40px auto 0;
    background: white;
    border-radius: 32px;
    padding: 50px;
    box-shadow: 0 30px 60px -15px rgba(0,0,0,0.5);
}

.partner-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: #1E293B;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
    background-color: #F8FAFC;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563EB;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: white;
}

.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.form-group--checkbox input {
    width: 20px;
    height: 20px;
    accent-color: #2563EB;
}

.form-group--checkbox label {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: #475569;
}

.form-note {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #64748B;
}

.form-success {
    text-align: center;
    padding: 30px 20px;
}

.form-success i {
    font-size: 4rem;
    color: #10B981;
    margin-bottom: 1rem;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #0F172A;
}

.form-success p {
    color: #475569;
}

.hidden {
    display: none;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background-color: #F8FAFC;
}

.faq__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.faq-item {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 6px -2px rgba(0,0,0,0.05);
    border: 1px solid #E2E8F0;
}

.faq-question {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #0F172A;
    position: relative;
    padding-left: 25px;
}

.faq-question::before {
    content: "?";
    position: absolute;
    left: 0;
    color: #2563EB;
    font-weight: 700;
}

.faq-answer {
    color: #475569;
    line-height: 1.6;
    padding-left: 25px;
}

/* Подвал */
.footer {
    padding: 40px 0;
    background-color: #0F172A;
    color: white;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer__logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer__contacts {
    display: flex;
    gap: 20px;
}

.footer__contacts a {
    color: #94A3B8;
    font-size: 1.5rem;
    transition: color 0.2s;
}

.footer__contacts a:hover {
    color: #2563EB;
}

.footer__copy {
    color: #64748B;
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 1024px) {
    .hero__title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .founder__card {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .founder__photo {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .comparison {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__stats {
        justify-content: center;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__image {
        order: -1;
    }
    
    .concept__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .plan-steps {
        flex-direction: column;
    }
    
    .plan-steps::before {
        display: none;
    }
    
    .plan-step {
        width: 100%;
    }
    
    .advantages-table {
        font-size: 0.9rem;
    }
    
    .advantages-table th,
    .advantages-table td {
        padding: 15px 10px;
    }
    
    .footer__content {
        flex-direction: column;
        text-align: center;
    }
    
    .faq__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
    
    .stat-item {
        text-align: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .founder__card {
        padding: 30px 20px;
    }
    
    .founder__name {
        font-size: 1.5rem;
    }
    
    .form-container {
        padding: 30px 20px;
    }
    
    .portfolio-item {
        padding: 20px;
    }
    
    .advantages-table {
        display: block;
        overflow-x: auto;
    }
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero, .concept, .problem-solution, .founder, .portfolio, .tech, .advantages, .financial, .form-section, .faq {
    animation: fadeIn 0.6s ease-out;
}

/* Стили для ошибок */
.error-message {
    color: #EF4444;
    font-size: 0.85rem;
    margin-top: 5px;
}

input.error, select.error, textarea.error {
    border-color: #EF4444 !important;
}

input.error:focus, select.error:focus, textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Стили для скролла */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #F1F5F9;
}

::-webkit-scrollbar-thumb {
    background: #2563EB;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1D4ED8;
}