@font-face {
    font-family: "Montserrat";
    src: url("../fonts/Montserrat/Montserrat-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Montserrat";
    src: url("../fonts/Montserrat/Montserrat-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Roboto_Slab";
    src: url("../fonts/Roboto_Slab/RobotoSlab-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* Цветовые переменные */
:root {
    /* Светлая тема (оригинал) */
    --bg-light: #f4f5f7;
    --nav-bg: #ffffff;
    --border: #e1e3e6;
    --text-dark: #2f3749;
    --cta-bg: #2f3749;
    --cta-text: #ffffff;

    /* Анимации для кнопки темы */
    --ease-3: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-elastic-3: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-elastic-4: cubic-bezier(0.25, 1, 0.5, 1.25);
    --ease-out-5: cubic-bezier(0, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Темная тема */
    --bg-light: #1b1d23;
    --nav-bg: #252a34;
    --border: #373e4c;
    --text-dark: #e1e3ea;
    --cta-bg: #506680;
    --cta-text: #ffffff;
}

@media (prefers-reduced-motion: no-preference) {
    :root {
        --motionOK: 1;
    }
}

.theme-toggle {
    --size: 2rem;
    --icon-fill: hsl(210 10% 30%);
    --icon-fill-hover: hsl(210 10% 15%);
    background: none;
    border: none;
    padding: 0;
    width: var(--size);
    height: var(--size);
    aspect-ratio: 1;
    border-radius: 50%;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    outline-offset: 5px;
}

.theme-toggle>svg {
    width: 100%;
    height: 100%;
    stroke-linecap: round;
}

[data-theme="dark"] .theme-toggle {
    --icon-fill: hsl(210 10% 70%);
    --icon-fill-hover: hsl(210 15% 90%);
}

.sun-and-moon>.sun,
.sun-and-moon>.moon,
.sun-and-moon>.sun-beams {
    transform-origin: center center;
}

.sun-and-moon>.sun,
.sun-and-moon>.moon {
    fill: var(--icon-fill);
}

.theme-toggle:hover>.sun-and-moon>.sun,
.theme-toggle:focus-visible>.sun-and-moon>.sun,
.theme-toggle:hover>.sun-and-moon>.moon,
.theme-toggle:focus-visible>.sun-and-moon>.moon {
    fill: var(--icon-fill-hover);
}

.sun-and-moon>.sun-beams {
    stroke: var(--icon-fill);
    stroke-width: 2px;
}

.theme-toggle:hover>.sun-and-moon>.sun-beams,
.theme-toggle:focus-visible>.sun-and-moon>.sun-beams {
    stroke: var(--icon-fill-hover);
}

/* Анимация переключения */
@media (prefers-reduced-motion: no-preference) {
    .sun-and-moon>.sun {
        transition: transform 0.5s var(--ease-elastic-3);
    }

    .sun-and-moon>.sun-beams {
        transition: transform 0.5s var(--ease-elastic-4), opacity 0.5s var(--ease-3);
    }

    .sun-and-moon>.moon>circle {
        transition: transform 0.25s var(--ease-out-5);
    }
}

[data-theme="dark"] .sun-and-moon>.sun {
    transform: scale(1.75);
    transition: transform 0.25s var(--ease-3);
}

[data-theme="dark"] .sun-and-moon>.sun-beams {
    opacity: 0;
    transform: rotateZ(-25deg);
    transition: transform 0.15s, opacity 0.15s;
}

[data-theme="dark"] .sun-and-moon>.moon>circle {
    transform: translateX(-7px);
}

@supports (cx: 1) {
    .sun-and-moon>.moon>circle {
        transform: translateX(0);
    }

    [data-theme="dark"] .sun-and-moon>.moon>circle {
        transition-delay: 0.25s;
        transition-duration: 0.5s;
        cx: 17;
    }
}

/* Сброс */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background: var(--bg-light);
    color: var(--text-dark);
    font-family: "Montserrat", sans-serif;
    line-height: 1.4;
}

a {
    text-decoration: none;
    color: inherit;
}

img,
iframe {
    display: block;
    max-width: 100%;
}

/* LOADER */

.load {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    place-items: center;
    display: grid;
    background-color: var(--bg-light);
    z-index: 1000;
}

.logo-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.load-pic {
    width: 64px;
}

.loader-line {
    width: 250px;
    height: 3px;
    position: absolute;
    overflow: hidden;
    background-color: #ddd;
    margin: 100px auto;
    margin-top: 90px;
    margin-bottom: 0;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
}

.loader-line:before {
    content: "";
    position: absolute;
    left: -50%;
    height: 3px;
    width: 40%;
    background-color: var(--cta-bg);
    -webkit-animation: lineAnim 1s linear infinite;
    -moz-animation: lineAnim 1s linear infinite;
    animation: lineAnim 1s linear infinite;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
}

@keyframes lineAnim {
    0% {
        left: -40%;
    }

    50% {
        left: 20%;
        width: 80%;
    }

    100% {
        left: 100%;
        width: 100%;
    }
}

@media (max-width: 1023px) {
    .loader-line {
        width: 205px;
    }
}

.icon {
    width: 36px;
    height: 36px;
    fill: var(--text-dark);
}

/* Контейнер */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Навбар */
.navbar {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
    position: relative;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
}

.header-logo {
    width: 74px;
    height: 74px;
    margin-right: 15px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: "Roboto_Slab", sans-serif;
    font-weight: bold;
    font-size: 25px;
}

.logo-subtitle {
    font-size: 15px;
    color: var(--text-dark);
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 32px;
    font-size: 16px;
}

.nav-links a:hover {
    opacity: 0.7;
}

.cta-btn {
    background: var(--cta-bg);
    color: var(--cta-text);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    transition: opacity 0.2s;
}

.cta-btn:hover {
    opacity: 0.8;
}

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

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 32px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: var(--cta-bg);
    color: var(--cta-text);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    transition: opacity 0.2s;
}

.btn-secondary:hover {
    opacity: 0.8;
}

.btn-secondary svg {
    width: 16px;
    height: 16px;
    margin-left: 8px;
    fill: currentColor;
}

.hero-visual {
    background: var(--text-dark);
    border-radius: 16px;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .hero-visual {
    background-color: var(--cta-bg);
}

.hero-visual svg {
    width: 80px;
    height: 80px;
}

/* About Us */
.about-section {
    background: var(--nav-bg);
    padding: 80px 0;
}

.about-section .container {
    text-align: center;
}

.about-section h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 24px;
    text-align: left;
}

.about-card .material-icons {
    font-size: 36px;
    margin-bottom: 16px;
}

.about-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.about-card p {
    font-size: 14px;
    opacity: 0.8;
}

/* Services */
.services-section {
    background: var(--bg-light);
    padding: 80px 0;
}

.services-section .container {
    text-align: center;
}

.services-section h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

.services-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--nav-bg);
    border-radius: 16px;
    padding: 24px;
    text-align: left;
}

.service-card .material-icons {
    font-size: 36px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.service-card p {
    font-size: 14px;
    opacity: 0.8;
}

/* Partners */
.partners-section {
    background: var(--nav-bg);
    padding: 80px 0;
}

.partners-section .container {
    text-align: center;
}

.partners-section h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

.partners-slider {
    position: relative;
}

.swiper-container {
    overflow: hidden;
}

.swiper-wrapper {
    display: flex;
}

.swiper-slide {
    flex: 0 0 auto;
    background: var(--bg-light);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 110px;
}

.partner-logo {
    height: 80px;
    color: var(--text-dark);
}

.partner-logo source,
.partner-logo img {
    object-fit: contain;
    border-radius: 10px;
}

.aion {
    background-color: #1b1d23;
    border-radius: 10px;
}

/* FAQ */
.faq-section {
    background: var(--bg-light);
    padding: 80px 0 0;
}

.faq__page-title {
    text-align: left;
    font-size: 32px;
    margin-bottom: 40px;
}

.faq__questions {
    margin: 44px 0 0 0;
    padding: 0;
    list-style: none;
}

.faq__question:first-child {
    border-top: 1px solid #cacaca;
}

.faq__question {
    margin-top: -1px;
    border-top: 1px solid transparent;
    border-bottom: 1px solid #cacaca;
    transition: color 0.3s;
}

.faq__heading {
    position: relative;
    margin-top: 0;
    margin-bottom: 0;
    padding: 20px 70px 20px 15px;
    font-size: 17px;
    cursor: pointer;
    transition: color 0.3s;
}

.faq__question:first-child:hover,
.faq__question:hover {
    border-color: var(--cta-bg);
}

.head-icon {
    position: absolute;
    top: 50%;
    right: 15px;
    width: 35px;
    height: 35px;
    border-radius: 25%;
    background-color: #ececec;
    transform: translateY(-50%);
    transition: 0.5s;
}

.head-icon::before,
.head-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #666666;
}

.head-icon::before {
    width: 60%;
    height: 1px;
}

.head-icon::after {
    width: 1px;
    height: 60%;
}

.faq__heading:hover {
    color: var(--cta-bg);
    outline: none;
}

.faq__heading:hover .head-icon {
    background-color: var(--cta-bg);
}

.faq__heading:hover .head-icon::before,
.faq__heading:hover .head-icon::after {
    background-color: var(--bg-light);
}

.faq__heading.ui-accordion-header-active .head-icon {
    transform: translateY(-50%) rotate(45deg);
    transition: 0.3s;
}

.text {
    margin: 0px;
    padding-bottom: 40px;
    padding-left: 15px;
    width: 90%;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 16px;
    line-height: 25px;
}

.faq__br {
    display: none;
}

.symbol {
    color: var(--cta-bg);
}

/* Contact Us */
.contact-section {
    background: var(--bg-light);
    padding: 80px 0;
}

.contact-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    gap: 40px;
}

.contact-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    grid-column: 1/-1;
}

.contact-form,
.contact-info-card {
    height: 100%;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form label {
    font-size: 14px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    background: var(--cta-bg);
    color: var(--cta-text);
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}

.contact-form button:hover {
    opacity: 0.8;
}

.contact-info-card {
    background: var(--text-dark);
    border-radius: 16px;
    padding: 24px;
    color: #fff;
    display: flex;
    flex-direction: column;
}

[data-theme="dark"] .contact-info-card {
    background: var(--nav-bg);
}

.contact-info-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: #fff;
}

.map-placeholder {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    min-height: 315px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-details div {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    opacity: 0.9;
}

.contact-details div .icon {
    width: 18px;
    height: 18px;
    opacity: 1;
}

/* Bottom nav mobile */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--nav-bg);
    border-top: 1px solid var(--border);
    justify-content: space-around;
    padding: 12px 0;
    z-index: 100;
    font-size: 16px;
}

.bottom-nav a:hover {
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 1023px) {
    .nav-links {
        display: none;
    }

    .bottom-nav {
        display: flex;
    }

    .bottom-nav a {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }

    .bottom-nav a .icon {
        width: 24px;
        height: 24px;
    }

    .hero .container,
    .about-cards,
    .services-cards,
    .contact-section .container {
        grid-template-columns: 1fr;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .btn-secondary,
    .cta-btn {
        font-size: 14px;
        padding: 10px 20px;
    }

    .header-logo,
    .footer-logo {
        width: 44px;
        height: 44px;
    }

    .logo-name {
        font-size: 17px;
    }

    .logo-subtitle {
        font-size: 11px;
    }

    .about-section h2,
    .services-section h2,
    .partners-section h2,
    .contact-section h2 {
        font-size: 28px;
    }
}

/* CSS */
.swiper-container .swiper-wrapper {
    transition-timing-function: linear !important;
    /* Гарантирует плавность */
}

.swiper-slide {
    width: auto;
    /* Для адаптивной ширины логотипов */
}

#message {
    resize: none;
}

#button {
    cursor: pointer;
    font-family: "Montserrat", sans-serif;
}

/* Footer styles  */
.footer-section {
    background: #111827;
    color: #f4f5f7;
    padding: 40px 0;
}

[data-theme="dark"] .footer-section {
    background: #2f3749;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
}

.footer-left h3 {
    margin: 0;
    font-size: 20px;
}

.footer-left p {
    margin: 8px 0 0;
    font-size: 14px;
    opacity: 0.8;
}

.footer-right p {
    margin: 0;
    font-size: 14px;
    opacity: 0.8;
}

.footer-right {
    border-left: 1px solid #f4f5f7;
    padding-left: 24px;
}

@media (max-width: 1023px) {
    body {
        padding-bottom: 70px;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-right {
        border-left: none;
        border-top: 1px solid #f4f5f7;
        padding-left: 0;
        padding-top: 24px;
        margin-top: 24px;
    }
}