/* Сброс и база */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #FFFFFF;
    color: #1A1F2C;
    line-height: 1.4;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* header */
.header {
    padding: 20px 0;
    border-bottom: 1px solid #F0F2F5;
    background-color: rgba(255,255,255,0.96);
    backdrop-filter: blur(2px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 1.6rem;
    letter-spacing: -0.02em;
}

.logo__mark {
    font-size: 1.8rem;
    color: #2C5F8A;
    line-height: 1;
}

.logo__text {
    color: #111827;
}

.logo__accent {
    color: #2C5F8A;
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav__link {
    text-decoration: none;
    font-weight: 500;
    color: #374151;
    transition: color 0.2s ease;
    font-size: 1rem;
}

.nav__link:hover {
    color: #2C5F8A;
}

/* Hero секция */
.hero {
    padding: 80px 0 64px;
}

.hero__grid {
    display: flex;
    align-items: center;
    gap: 64px;
    flex-wrap: wrap;
}

.hero__content {
    flex: 1.2;
    min-width: 280px;
}

.hero__badge {
    background-color: #EFF6FF;
    display: inline-block;
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #1C4262;
    margin-bottom: 24px;
}

.hero__title {
    font-size: 3.2rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #0B1120;
    margin-bottom: 24px;
}

.hero__desc {
    font-size: 1.125rem;
    color: #4B5563;
    max-width: 540px;
    margin-bottom: 32px;
    line-height: 1.5;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
}

.btn--primary {
    background-color: #2C5F8A;
    color: white;
    box-shadow: 0 2px 6px rgba(59,130,246,0.2);
}

.btn--primary:hover {
    background-color: #1C4262;
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    border-color: #D1D5DB;
    color: #1F2937;
}

.btn--outline:hover {
    border-color: #2C5F8A;
    color: #2C5F8A;
    background: #F9FAFB;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.hero__visual {
    flex: 0.9;
    min-width: 260px;
}

.app-preview-card {
    background: #F8FAFE;
    border-radius: 48px;
    padding: 40px 32px;
    box-shadow: 0 20px 35px -12px rgba(0,0,0,0.03);
    border: 1px solid #EEF2F8;
}

.app-preview-card__line {
    height: 12px;
    background: #E2E8F0;
    border-radius: 20px;
    margin-bottom: 20px;
    width: 100%;
}

.app-preview-card__line.short {
    width: 60%;
    background: #CBD5E1;
}

/* .stat-block {
    margin-top: 32px;
    background: white;
    padding: 16px 20px;
    border-radius: 28px;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.stat-block__value {
    font-size: 2rem;
    font-weight: 700;
    color: #1C4262;
}

.stat-block__label {
    display: block;
    font-size: 0.8rem;
    color: #6B7280;
} */

/* общие секции */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    background: #F0F4FE;
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #1C4262;
    letter-spacing: 0.3px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    color: #0B1120;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: #5B677B;
    max-width: 640px;
    margin: 0 auto;
}

/* Клиенты (агентские ПВЗ) */
.clients {
    padding: 64px 0;
    background-color: #FCFDFF;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    margin-top: 20px;
}

.client-card {
    background: white;
    padding: 32px 24px;
    border-radius: 32px;
    text-align: center;
    transition: all 0.2s;
    border: 1px solid #EDF2F7;
    box-shadow: 0 6px 12px -6px rgba(0,0,0,0.02);
}

.client-card:hover {
    transform: translateY(-4px);
    border-color: #D9E6FF;
    box-shadow: 0 20px 25px -12px rgba(0,0,0,0.05);
}

.client-card__icon {
    font-size: 2rem;
    font-weight: 700;
    background: #F0F4FE;
    width: 100px;
    height: 70px;
    line-height: 70px;
    border-radius: 60px;
    margin: 0 auto 20px;
    color: #1E3A8A;
}

.client-card__icon.wb { background: #F2EAFF; color: #9B4DFF; }
.client-card__icon.ozon { background: #E8F0FE; color: #1A56DB; }
.client-card__icon.ym { background: #FFEFE5; color: #E86A1F; }
.client-card__icon.avito { background: #E5F6F0; color: #1C9E6C; }

.client-card__name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.client-card__desc {
    color: #5C6A81;
    font-size: 0.95rem;
    line-height: 1.45;
}

/* features */
.features {
    padding: 64px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 20px;
}

.feature-item {
    text-align: center;
    padding: 20px 12px;
}

.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #111827;
}

.feature-text {
    color: #6B7280;
    line-height: 1.5;
}

/* feedback секция (обратная связь) */
.feedback {
    padding: 80px 0;
    background: linear-gradient(135deg, #F8FAFF 0%, #F2F6FC 100%);
}

.feedback__card {
    background: white;
    border-radius: 56px;
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
    box-shadow: 0 25px 40px -12px rgba(0,0,0,0.08);
}

.feedback__info {
    flex: 1.2;
    padding: 48px 44px;
    background: #FFFFFF;
}

.feedback__title {
    font-size: 2rem;
    font-weight: 600;
    margin: 16px 0 20px 0;
    color: #0F172A;
    line-height: 1.3;
}

.feedback__text {
    color: #4B5563;
    line-height: 1.5;
    margin-bottom: 32px;
    max-width: 90%;
}

.feedback__contacts {
    margin-top: 32px;
    border-top: 1px solid #EDF2F7;
    padding-top: 32px;
}

.contact-row {
    font-size: 1rem;
    margin-bottom: 12px;
    color: #2D3A5E;
    font-weight: 450;
}

.feedback__form-wrapper {
    flex: 1;
    padding: 48px 44px;
    background: #FEFEFE;
    border-left: 1px solid #F0F2F8;
}

.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

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

.form-group label {
    font-weight: 500;
    font-size: 0.85rem;
    color: #1E293B;
    letter-spacing: 0.3px;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 12px 16px;
    border-radius: 20px;
    border: 1px solid #E2E8F0;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    background: white;
    transition: 0.2s;
    outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: #2C5F8A;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-group.error input, .form-group.error select, .form-group.error textarea {
    border-color: #EF4444;
    background-color: #FFF8F8;
}

.error-text {
    font-size: 0.75rem;
    color: #EF4444;
    margin-top: 4px;
}

.form-note {
    font-size: 0.7rem;
    color: #94A3B8;
    text-align: center;
    margin-top: 8px;
}

.success-message {
    background: #EFFAF5;
    border-radius: 28px;
    padding: 32px 20px;
    text-align: center;
    font-weight: 500;
    color: #0B5E42;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    border: 1px solid #C8F0E1;
}

.success-message span {
    font-size: 3rem;
    font-weight: normal;
}

/* footer */
.footer {
    border-top: 1px solid #EDF2F7;
    padding: 32px 0;
    background: white;
}

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

.footer__copy {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #5C6B7E;
    font-size: 0.85rem;
}

.footer__legal {
    display: flex;
    gap: 24px;
    align-items: center;
    font-size: 0.8rem;
    color: #728197;
}

.footer__link {
    text-decoration: none;
    color: #2C5F8A;
}

.footer__link:hover {
    text-decoration: underline;
}

/* адаптивность */
@media (max-width: 920px) {
    .hero__grid {
        flex-direction: column;
        text-align: center;
    }
    .hero__desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero__actions {
        justify-content: center;
    }
    .feedback__card {
        flex-direction: column;
        border-radius: 40px;
    }
    .feedback__form-wrapper, .feedback__info {
        border-left: none;
        padding: 36px 28px;
    }
    .section-title {
        font-size: 1.9rem;
    }
    .hero__title {
        font-size: 2.5rem;
    }
    .container {
        padding: 0 24px;
    }
}

@media (max-width: 640px) {
    .header__inner {
        flex-direction: column;
        gap: 12px;
    }
    .nav {
        gap: 24px;
    }
    .clients-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        gap: 24px;
    }
    .btn {
        padding: 10px 20px;
    }
    .hero {
        padding: 48px 0;
    }
    .feedback__title {
        font-size: 1.7rem;
    }
    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
    .footer__legal {
        flex-direction: column;
        gap: 12px;
    }
}

/* Дополнительные стили для иконок соцсетей и магазинов */
.nav__social {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid #E2E8F0;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, opacity 0.2s ease;
    text-decoration: none;
    color: #4B5563;
}

.social-icon:hover {
    transform: translateY(-2px);
    opacity: 0.8;
}

.social-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
}

.social-icon--store svg {
    fill: currentColor;
    stroke: none;
}

.feedback__social-links {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.feedback__social-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: #F8FAFE;
    border-radius: 40px;
    text-decoration: none;
    color: #1F2937;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: 1px solid #EDF2F7;
}

.feedback__social-item:hover {
    background: #FFFFFF;
    border-color: #2C5F8A;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.feedback__social-item svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .nav__social {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}