:root {
    --primary-deep: #011C40;      /* Глубокий синий для основных акцентов */
    --primary-medium: #023859;     /* Темно-синий для кнопок и важных элементов */
    --primary-bright: #26658C;     /* Яркий синий для ховеров и выделений */
    --secondary-light: #54ACBF;    /* Светло-бирюзовый для фонов и плашек */
    --secondary-soft: #68A4BC;     /* Мягкий голубой для второстепенных элементов */
    --secondary-pale: #A7EBF2;     /* Очень светлый для фонов */
    --accent-dark: #154559;        /* Темный оттенок для текста и плашек */
    --accent-deep: #062A3B;        /* Самый темный для футера и особого текста */
    --text-dark: #062A3B;          /* Основной цвет текста */
    --text-grey: #2B6278;          /* Серо-голубой для второстепенного текста */
    --bg-light: #F4FAFD;           /* Очень светлый фон на основе палитры */
    --white: #FFFFFF;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    margin: 0;
    padding-bottom: 50px;
    overflow-x: hidden;
}

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

/* === КНОПКИ === */
.main-btn {
    background-color: var(--primary-medium);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.main-btn:hover {
    background-color: var(--primary-bright);
}
.main-btn:active {
    transform: scale(0.98);
}
.main-btn.full-width { width: 100%; }
.main-btn.small-btn { padding: 10px 20px; font-size: 14px; width: auto; }
.main-btn.black-btn {
    background: var(--accent-deep);
    color: white;
}
.main-btn.black-btn:hover {
    background: var(--accent-dark);
}
.main-btn.gray-btn {
    background: #E1EEF2;
    color: var(--text-dark);
}
.main-btn.gray-btn:hover {
    background: #c5dce3;
}

.secondary-btn {
    background: #E1EEF2;
    color: var(--text-dark);
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: 0.2s;
}
.secondary-btn:hover {
    background: #c5dce3;
}

.btn-white {
    background: white;
    color: var(--text-dark);
    border: 1px solid var(--secondary-soft);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(1, 28, 64, 0.1);
    border-radius: 10px;
    text-decoration: none;
    transition: 0.2s;
}
.btn-white:hover {
    border-color: var(--primary-medium);
    background: var(--bg-light);
}
.btn-white img { 
    width: 20px; 
    height: 20px;
    object-fit: contain;
}

/* === HEADER — без бокового меню === */
.header {
    padding: 12px 0;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(1, 28, 64, 0.08);
    height: 60px;
    display: flex;
    align-items: center;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.logo img { 
    height: 28px;
    width: auto;
}

.header-buttons {
    display: flex;
    gap: 12px;
}

.header-btn {
    background: var(--primary-medium);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    white-space: nowrap;
}
.header-btn:hover {
    background: var(--primary-bright);
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(1, 28, 64, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-grey);
}

.order-form input {
    width: 100%;
    padding: 14px;
    margin-bottom: 16px;
    border: 1px solid var(--secondary-soft);
    border-radius: 10px;
    font-size: 16px;
}
.order-form input:focus {
    outline: none;
    border-color: var(--primary-bright);
    box-shadow: 0 0 0 3px rgba(38, 101, 140, 0.2);
}

.order-form button {
    width: 100%;
    padding: 14px;
    background: var(--primary-medium);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}
.order-form button:hover {
    background: var(--primary-bright);
}

/* === HERO === */
.hero-section {
    text-align: center;
    padding: 30px 0 50px;
    background: var(--bg-light);
}

.hero-section h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 30px;
    color: var(--accent-deep);
}

.transport-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin: 0 auto 40px;
    height: 100px;
}

.transport-img {
    width: 90px;
    animation: floatTransport 4s ease-in-out infinite;
    opacity: 0.9;
}

.plane {
    animation-delay: 0s;
}

.train {
    animation-delay: 0.3s;
}

.ship {
    animation-delay: 0.6s;
}

@keyframes floatTransport {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Фикс: три колонки в одну строку с адаптацией */
.hero-features-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap; /* Разрешаем перенос для мобильных */
}

.feature-item {
    background: white;
    padding: 16px 20px;
    border-radius: 12px;
    min-width: 140px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(1, 28, 64, 0.08);
    font-size: 14px;
    flex: 1 1 200px; /* Гибкая ширина с базой 200px */
    max-width: 280px;
}

.feature-item strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--accent-deep);
    margin-bottom: 4px;
}

.feature-item span {
    color: var(--text-grey);
    font-size: 13px;
    display: block; /* Добавлено для корректного отображения */
    line-height: 1.4;
}

/* === MARQUEE === */
.marquee-section {
    padding: 20px 0;
    overflow: hidden;
    background: #fff;
    text-align: center;
}
.marquee-section h2 {
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--accent-deep);
}
.marquee-wrapper {
    white-space: nowrap;
}
.marquee-content {
    display: inline-block;
    animation: marquee 15s linear infinite;
}
.marquee-content img {
    height: 25px;
    margin: 0 20px;
    transition: 0.3s;
}
.marquee-content img:hover {
    opacity: 1;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* === PROMO CARDS === */
.promo-cards-section { padding: 10px 0; }
.promo-card {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.promo-text { width: 60%; }
.promo-text h3 { 
    font-size: 16px; 
    margin-bottom: 15px; 
    color: var(--accent-deep);
}
.promo-img img { width: 80px; }

/* === SIMPLE TEXT === */
.simple-text-section {
    padding: 40px 0;
    text-align: center;
    background: white;
}
.simple-text-section h2 {
    font-size: 28px;
    color: var(--accent-deep);
    margin-bottom: 10px;
}
.simple-text-section p {
    font-size: 18px;
    color: var(--text-grey);
}

/* === ADVANTAGES === */
.advantages-section { padding: 20px 0; background: #fff; }
.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}
.adv-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.adv-item img { 
    height: 40px; 
    margin-bottom: 15px;
    opacity: 0.9;
}
.adv-item h4 { 
    font-size: 16px; 
    margin-bottom: 5px; 
    color: var(--accent-deep);
}
.adv-item p { 
    font-size: 13px; 
    color: var(--text-grey); 
}
.badge-red {
    background: var(--primary-medium); 
    color: white;
    font-size: 10px; 
    padding: 3px 8px; 
    border-radius: 4px;
    margin-top: 5px;
}

/* === РАДИОКНОПКИ И ЧЕКБОКС === */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0 24px;
}

.radio-label {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    border: 2px solid #D4E9F2;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--bg-light);
}

.radio-label:hover {
    border-color: var(--primary-bright);
    background: #E1F0F5;
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--secondary-soft);
    border-radius: 50%;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary-medium);
    background-color: var(--primary-medium);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.radio-label input[type="radio"]:checked ~ span:last-child {
    font-weight: 600;
    color: var(--primary-medium);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    padding: 16px 18px;
    border: 2px solid #D4E9F2;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-dark);
    background: var(--bg-light);
    margin: 20px 0;
}

.checkbox-label:hover {
    border-color: var(--primary-bright);
    background: #E1F0F5;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--secondary-soft);
    border-radius: 6px;
    margin-right: 12px;
    margin-top: 2px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background: white;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    border-color: var(--primary-medium);
    background-color: var(--primary-medium);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label input[type="checkbox"]:checked ~ span:last-child {
    font-weight: 600;
    color: var(--text-dark);
}

/* === CALCULATOR === */
.calc-section {
    padding: 60px 0;
    background: #fff;
}

.calc-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 36px 24px;
    box-shadow: 0 12px 30px rgba(1, 28, 64, 0.1);
    overflow: visible;
}

.free-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-deep);
    color: white;
    padding: 12px 32px;
    border-radius: 8px 8px 0 0;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 6px 15px rgba(1, 28, 64, 0.3);
    z-index: 1;
    animation: bounceBadge 3s ease-in-out infinite;
    width: 200px;
    text-align: center;
    transition: top 0.3s ease;
}

.calc-box:hover .free-badge {
    top: -18px;
}

@keyframes bounceBadge {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
}

.calc-box h3 {
    font-size: 26px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 32px;
    color: var(--accent-deep);
}

.calc-form h4 {
    font-size: 16px;
    color: var(--primary-medium);
    margin: 28px 0 16px;
    font-weight: 600;
}

.calc-form select,
.calc-form input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #D4E9F2;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--bg-light);
    outline: none;
    transition: all 0.3s ease;
    margin-bottom: 12px;
}

.calc-form select:focus,
.calc-form input:focus {
    border-color: var(--primary-bright);
    box-shadow: 0 0 0 3px rgba(38, 101, 140, 0.15);
}

.calc-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%232B6278' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.384 4 3.274 4h9.898a1 1 0 0 1 .707.293l4.795 5.48a1 1 0 0 1 0 1.093l-4.795 5.48a1 1 0 0 1-1.414 0L8.35 9.146 7.247 11.14z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
}

.calc-form input[pattern="\d*"] {
    -moz-appearance: textfield;
}
.calc-form input[pattern="\d*"]::-webkit-outer-spin-button,
.calc-form input[pattern="\d*"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-form button[type="submit"] {
    width: 100%;
    padding: 18px 0;
    font-size: 18px;
    font-weight: 700;
    border-radius: 12px;
    background: var(--primary-medium);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(1, 28, 64, 0.3);
    transition: all 0.3s ease;
    margin-top: 10px;
}
.calc-form button[type="submit"]:hover {
    background: var(--primary-bright);
}
.calc-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* === PHONE INPUT (без флага) === */
.phone-input {
    margin-bottom: 16px;
}

.phone-input input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #D4E9F2;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--bg-light);
    outline: none;
    transition: all 0.3s ease;
}

.phone-input input:focus {
    border-color: var(--primary-bright);
    box-shadow: 0 0 0 3px rgba(38, 101, 140, 0.15);
}

/* === SUCCESS BLOCK === */
.success-block {
    margin-top: 50px;
    text-align: center;
}

.success-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--accent-deep);
}

.success-header p {
    font-size: 16px;
    color: var(--text-grey);
    line-height: 1.5;
    max-width: 500px;
    margin: 0 auto;
}

.arrow-down-wrapper {
    margin: 24px auto;
    width: 60px;
}

.arrow-down {
    width: 100%;
    animation: bounceArrow 1.5s infinite;
}

@keyframes bounceArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

.process-steps-chat {
    margin-top: 30px;
}

.step-chat {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 20px 24px;
    margin-bottom: 16px;
    display: flex;
    gap: 16px;
    position: relative;
}

.step-chat::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 12px solid var(--bg-light);
}

.step-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--primary-medium);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.step-text strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent-deep);
}

.step-text p {
    font-size: 14px;
    color: var(--text-grey);
    line-height: 1.5;
}

.call-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    color: var(--primary-medium);
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s;
}
.call-btn:hover {
    color: var(--primary-bright);
}

.call-btn img {
    width: 20px;
}

/* === CONTACT CTA === */
.contact-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-medium) 100%);
    color: white;
    text-align: center;
}
.contact-cta .container {
    max-width: 500px;
}
.logo-small img { height: 40px; margin-bottom: 20px; }
.contact-cta h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
}
.contact-cta p {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 30px;
    opacity: 0.9;
}
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.cta-buttons .btn {
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(1, 28, 64, 0.2);
}

/* === FAQ === */
.faq-section {
    padding: 40px 0;
    background: white;
}
.faq-section h2 {
    text-align: center;
    font-size: 26px;
    margin-bottom: 40px;
    color: var(--accent-deep);
}
.faq-item {
    border-bottom: 1px solid #E1EEF2;
    padding: 20px 0;
}
.faq-question {
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--accent-deep);
}
.faq-question::after {
    content: "+";
    font-size: 24px;
    color: var(--primary-medium);
}
.faq-answer {
    margin-top: 12px;
    display: none;
    font-size: 14px;
    color: var(--text-grey);
}
.faq-item.active .faq-question::after { content: "−"; }
.faq-item.active .faq-answer { display: block; }

/* === FOOTER === */
.footer {
    background: var(--accent-deep);
    color: #BDD9E8;
    padding: 50px 0 20px;
}
.footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}
.footer-logo img { 
    height: 40px; 
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}
.footer-col h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 18px;
}
.footer-col p {
    margin-bottom: 12px;
    font-size: 15px;
}
.footer-col a {
    color: #BDD9E8;
    text-decoration: none;
    transition: 0.2s;
}
.footer-col a:hover { 
    color: white; 
}
.footer-col img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    margin-right: 6px;
    vertical-align: middle;
}
.copyright {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #154559;
    margin-top: 30px;
    font-size: 14px;
}





/* === СЛАЙДЕР === */
.slider-section {
    padding: 60px 0;
    background: var(--white);
    overflow: hidden;
}

.slider-section h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--accent-deep);
}

.slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-track {
    display: flex;
    gap: 20px;
    transition: transform 0.5s ease;
    width: 100%;
    will-change: transform;
}

.slider-card {
    flex: 0 0 calc(25% - 15px); /* 4 карточки с учетом gap 20px */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 24px;
    padding: 30px 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: white;
    position: relative;
    isolation: isolate;
    box-sizing: border-box;
}

.slider-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(1,28,64,0.2) 0%, rgba(1,28,64,0.7) 90%);
    border-radius: 24px;
    z-index: -1;
    transition: 0.3s;
}

.slider-card:hover {
    transform: translateY(-4px);
}

.slider-card:hover::before {
    background: linear-gradient(180deg, rgba(1,28,64,0.3) 0%, rgba(1,28,64,0.8) 90%);
}

.slider-card h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.slider-card .delivery-time {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.2);
    padding: 6px 12px;
    border-radius: 40px;
    width: fit-content;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
}

.slider-card .delivery-price {
    font-size: 22px;
    font-weight: 800;
    margin: 15px 0 20px;
    color: var(--secondary-pale);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.slider-card .card-btn {
    background: var(--white);
    color: var(--primary-deep);
    border: none;
    padding: 12px 20px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: 0.2s;
    width: fit-content;
    border: 1px solid rgba(255,255,255,0.5);
}

.slider-card .card-btn:hover {
    background: var(--primary-bright);
    color: white;
    transform: scale(1.02);
}

/* Кнопки навигации */
.slider-btn {
    background: var(--primary-medium);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 24px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    flex-shrink: 0;
    z-index: 10;
    border: 1px solid rgba(255,255,255,0.2);
}

.slider-btn:hover {
    background: var(--primary-bright);
}

.slider-btn:active {
    transform: scale(0.95);
}

.slider-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Точки (dots) */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 20px;
    border: none;
    background: #D4E9F2;
    cursor: pointer;
    transition: 0.3s;
    padding: 0;
}

.slider-dot.active {
    width: 32px;
    background: var(--primary-medium);
}

/* АДАПТАЦИЯ */
@media (max-width: 992px) {
    .slider-card {
        flex: 0 0 calc(33.333% - 14px); /* 3 карточки */
    }
}

@media (max-width: 768px) {
    .slider-section h2 {
        font-size: 28px;
    }
    
    .slider-container {
        gap: 8px;
    }
    
    .slider-card {
        flex: 0 0 calc(50% - 10px); /* 2 карточки */
        min-height: 250px;
        padding: 20px;
    }
    
    .slider-card h3 {
        font-size: 24px;
    }
    
    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .slider-card {
        flex: 0 0 100%; /* 1 карточка */
    }
    
    .slider-btn {
        display: none;
    }
    
    .slider-section h2 {
        font-size: 24px;
    }
}

/* Подсветка выбранного радио */
.radio-label.highlight {
    border-color: var(--primary-bright);
    background: #E1F0F5;
    box-shadow: 0 0 0 3px rgba(38, 101, 140, 0.2);
    transition: all 0.3s ease;
}





/* ============================================
   НОВЫЕ СТИЛИ ДЛЯ КАЛЬКУЛЯТОРА
   ============================================ */

/* Стили для полей ввода с опцией "Не знаю" */
.input-with-unknown {
    margin-bottom: 20px;
    background: var(--bg-light);
    border-radius: 12px;
    padding: 12px;
    border: 1px solid #D4E9F2;
}

.input-wrapper {
    width: 100%;
    margin-bottom: 10px;
}

.input-wrapper input {
    margin-bottom: 0 !important;
    background: white;
}

.unknown-checkbox {
    margin: 5px 0 0 0 !important;
    padding: 8px 12px !important;
    border: none !important;
    background: transparent !important;
    font-size: 14px;
    color: var(--text-grey);
    width: fit-content;
}

.unknown-checkbox:hover {
    background: transparent !important;
}

.disabled-input {
    background-color: #f0f0f0 !important;
    color: #999 !important;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Подсказка для тех, кто не знает параметры */
.help-hint {
    background: #e8f4fd;
    padding: 15px 20px;
    border-radius: 12px;
    margin: 15px 0 25px;
    border-left: 4px solid var(--primary-bright);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.help-hint p {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-deep);
    font-size: 15px;
}

.help-hint ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-hint li {
    padding: 6px 0;
    color: var(--text-dark);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.help-hint li::before {
    content: "•";
    color: var(--primary-bright);
    font-weight: bold;
    font-size: 18px;
}

/* Новый стиль для группы чекбоксов доставки */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0 24px;
}

.transport-option {
    display: flex;
    align-items: center;
    padding: 14px 16px !important;
    margin: 0 !important;
    transition: all 0.3s ease;
}

.transport-option:hover {
    border-color: var(--primary-bright) !important;
    background: #E1F0F5 !important;
}

.transport-text {
    display: flex;
    flex-direction: column;
    margin-left: 8px;
    flex: 1;
}

.transport-text strong {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.delivery-time {
    font-size: 13px;
    color: var(--text-grey);
    display: flex;
    align-items: center;
    gap: 4px;
}

.delivery-time::before {
    content: "⏱";
    font-size: 12px;
}

/* Стиль для выбранного транспорта */
.transport-option input[type="checkbox"]:checked + .checkbox-custom + .transport-text strong {
    color: var(--primary-medium);
}

.transport-option input[type="checkbox"]:checked ~ .transport-text .delivery-time {
    color: var(--primary-bright);
}

/* Стили для поля комментария */
textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #D4E9F2;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--bg-light);
    outline: none;
    transition: all 0.3s ease;
    margin-bottom: 15px;
    resize: vertical;
    min-height: 80px;
}

textarea:focus {
    border-color: var(--primary-bright);
    box-shadow: 0 0 0 3px rgba(38, 101, 140, 0.15);
}

/* Улучшенные стили для select */
.calc-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%232B6278' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.384 4 3.274 4h9.898a1 1 0 0 1 .707.293l4.795 5.48a1 1 0 0 1 0 1.093l-4.795 5.48a1 1 0 0 1-1.414 0L8.35 9.146 7.247 11.14z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
    padding-right: 40px;
}

.calc-form select:invalid {
    color: var(--text-grey);
}

.calc-form select option {
    color: var(--text-dark);
}

.calc-form select option:first-child {
    color: var(--text-grey);
    font-style: italic;
}

/* Анимация для кнопки отправки */
.calc-form button[type="submit"] {
    position: relative;
    overflow: hidden;
}

.calc-form button[type="submit"]::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.calc-form button[type="submit"]:active::after {
    width: 300px;
    height: 300px;
}

/* Адаптация для мобильных устройств */
@media (max-width: 768px) {
    .transport-option {
        padding: 12px 14px !important;
    }
    
    .transport-text strong {
        font-size: 15px;
    }
    
    .delivery-time {
        font-size: 12px;
    }
    
    .help-hint {
        padding: 12px 15px;
    }
    
    .help-hint li {
        font-size: 13px;
        padding: 4px 0;
    }
    
    .input-with-unknown {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .transport-text strong {
        font-size: 14px;
    }
    
    .checkbox-custom {
        width: 18px;
        height: 18px;
    }
    
    .unknown-checkbox {
        font-size: 13px;
    }
}

/* Стиль для заблокированного инпута */
input:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
    border-color: #ddd;
}

/* Подсветка выбранных опций */
.transport-option.selected {
    border-color: var(--primary-medium) !important;
    background: #E1F0F5 !important;
}

/* Стили для счетчика выбранных опций */
.selected-count {
    font-size: 13px;
    color: var(--primary-medium);
    margin-top: -8px;
    margin-bottom: 15px;
    padding-left: 5px;
    font-weight: 500;
}

/* Улучшенная видимость для disabled option */
select option:disabled {
    color: #999;
    font-style: italic;
    background-color: #f5f5f5;
}