:root {
    --primary-color: #0074d9;
    --secondary-color: #0056b3;
    --background-gradient: linear-gradient(135deg, #0074d9, #0056b3);
    --text-color: #fff;
    --gray: #f5f5f5;
    --dark-gray: #333;
    --light-blue: #87CEEB;
}

body {
    font-family: "Roboto", sans-serif;
    background: var(--gray);
    color: var(--dark-gray);
    margin: 0;
    padding: 0;
}

header {
    background: linear-gradient(90deg, #0056b3, #0074d9);
    color: var(--text-color);
    text-align: center;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

header .container {
    position: relative;
    z-index: 2;
}

.slogan {
    font-size: 1.25rem;
    margin-top: 0.5rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.section:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.card.h-100.border-0.shadow-sm {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card.h-100.border-0.shadow-sm:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Заголовки карточек в секции с h2 для секции → h3 внутри */
.card h3 {
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.card-body p {
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
}

.feature-icon {
    width: 40px;
    height: 40px;
    margin-right: 1rem;
    fill: var(--primary-color);
}

.cta-button {
    background: var(--background-gradient);
    color: var(--text-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: bold;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.cta-button svg.send-icon {
    margin-left: 0 !important;
    display: none !important;
    vertical-align: middle;
    opacity: 0;
    transition: opacity 0.3s;
}

/* Стиль для иконки отправки */
.cta-button .send-icon {
    margin-left: 8px !important;
    vertical-align: middle;
    opacity: 0;
    transition: opacity 0.3s;
    fill: #ffffff; /* Белый цвет иконки */
}

.cta-button:disabled .send-icon {
    opacity: 1;
    animation: spin 1s linear infinite;
}

.cta-button:disabled svg.send-icon {
    display: inline-block !important;
    opacity: 1;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-button:hover {
    transform: none !important;
    box-shadow: none !important;
}

.cta-button,
.cta-button:hover,
.cta-button:focus,
.cta-button:disabled,
.cta-button:active {
    color: #fff !important;
}

.contact-form .card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.contact-form .card-body {
    padding: 2rem;
}

.contact-form label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

.contact-form .form-control {
    border-radius: 8px;
    border: 1px solid #ccc;
    transition: box-shadow 0.2s ease;
}

.contact-form .form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 116, 217, 0.25);
    border-color: var(--primary-color);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--text-color);
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-button.collapsed::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23495057'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

.accordion-item {
    border: 1px solid #e3e6ea;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.accordion-button {
    background-color: #f8f9fa;
    color: var(--dark-gray);
    font-weight: 500;
}

.accordion-button:hover {
    background-color: #e2e6ea;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--text-color);
}

.accordion-body {
    background-color: #fff;
    border-top: 1px solid #e3e6ea;
}

footer {
    background: linear-gradient(90deg, #0056b3, #0074d9);
    color: var(--text-color);
    text-align: center;
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

footer .container {
    position: relative;
    z-index: 2;
}

footer a {
    color: var(--text-color);
    text-decoration: none;
}

footer a:hover {
    color: var(--text-color);
}

.glide {
    position: relative;
}

.glide__track {
    overflow: hidden;
}

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

.glide__slide {
    text-align: center;
    flex-shrink: 0;
    width: calc(100% / 3 - 20px);
}

.glide__slide img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
}

.glide__arrows {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    padding: 0 1rem;
}

/* aria-label для кнопок, иконки скрыты от скринридера */
.glide__arrow {
    pointer-events: all;
    background: var(--primary-color);
    border: none;
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.glide__arrow:hover {
    background: var(--primary-color) !important;
}

.glightbox {
    position: relative;
}

.glightbox .img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 5px;
    font-size: 14px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.glightbox:hover .img-overlay {
    opacity: 1;
}

.gdesc {
}

.card:hover {
    transform: translateY(-5px);
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.2);
}

.section-modern {
    background: linear-gradient(to right, #f8f9fa, #eef2f5);
}

.card-modern {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e3e6ea;
}

.card-modern:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.15);
}

.card-modern .icon {
    transition: color 0.3s ease, transform 0.3s ease;
}

.card-modern:hover .icon {
    color: #0d6efd !important;
    transform: scale(1.1);
}