/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Space+Grotesk:wght@500;700&display=swap');

/* --- CSS Variables --- */
:root {
    --font-primary: 'Inter', sans-serif;
    --font-headings: 'Space Grotesk', sans-serif;

    --color-bg: #0D1B2A;
    --color-bg-secondary: #1B263B;
    --color-text: #E0E1DD;
    --color-text-secondary: #778DA9;
    --color-accent: #00BFFF; /* DeepSkyBlue */
    --color-border: #415A77;

    --container-width: 1200px;
    --container-padding: 1.5rem;
    --header-height: 80px;
}

/* --- Global Styles & Reset --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--color-text);
    line-height: 1.2;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* --- Header --- */
.header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 27, 42, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.logo:hover {
    color: var(--color-text);
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header__nav-link {
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__nav-link--cta {
    background-color: var(--color-accent);
    color: var(--color-bg);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.header__nav-link--cta:hover {
    color: var(--color-bg);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 191, 255, 0.3);
}

.header__nav-link--cta::after {
    display: none;
}

.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger__line {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* --- Main content placeholder --- */
.main {
    padding-top: var(--header-height);
}

/* --- Footer --- */
.footer {
    background-color: var(--color-bg-secondary);
    padding: 4rem 0 0;
    border-top: 1px solid var(--color-border);
    margin-top: 5rem;
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-bottom: 4rem;
}

.footer__column--logo .logo {
    margin-bottom: 1rem;
    display: inline-block;
}

.footer__tagline {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    max-width: 250px;
}

.footer__title {
    font-family: var(--font-headings);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__link {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer__list--contacts li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer__icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    margin-top: 2px;
}

.footer__notice {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-style: italic;
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* --- Responsive Styles --- */
@media (max-width: 992px) {
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(70vw, 300px);
        height: 100vh;
        background-color: var(--color-bg-secondary);
        box-shadow: -5px 0 15px rgba(0,0,0,0.2);
        transition: right 0.4s ease-in-out;
        padding-top: calc(var(--header-height) + 2rem);
    }

    .header__nav.is-active {
        right: 0;
    }

    .header__nav-list {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 2rem;
        gap: 1.5rem;
    }

    .header__nav-link--cta {
        width: 100%;
        text-align: center;
    }

    .burger {
        display: block;
    }
    
    .burger.is-active .burger__line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .burger.is-active .burger__line:nth-child(2) {
        opacity: 0;
    }
    .burger.is-active .burger__line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

@media (max-width: 576px) {
    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer__column--logo {
        align-items: center;
    }
    .footer__tagline {
        margin: 0 auto 1.5rem;
    }
    .footer__list--contacts li {
        justify-content: center;
    }
}

/* --- Button Styles --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    font-family: var(--font-headings);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.btn--primary:hover {
    background-color: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 191, 255, 0.2);
}

.btn--secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn--secondary:hover {
    background-color: var(--color-border);
    border-color: var(--color-border);
    color: var(--color-text);
    transform: translateY(-3px);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    overflow: hidden;
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Адаптивный размер шрифта */
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        min-height: auto; /* Убираем высоту для мобильных, чтобы контент определял размер */
        padding: 6rem 0;
    }
}

/* --- Global Section Styles --- */
.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

/* --- Technology Section --- */
.technology {
    padding: 6rem 0;
    background-color: var(--color-bg-secondary);
    overflow: hidden;
}

.technology__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.technology__features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.technology__feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.technology__feature-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    color: var(--color-accent);
    background-color: rgba(0, 191, 255, 0.1);
    padding: 0.5rem;
    border-radius: 50%;
}

.technology__feature-title {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.technology__feature-item p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.technology__visual {
    position: relative;
}

.technology__image-wrapper {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 2;
}

.technology__image {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.technology__visual::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 80%;
    height: 80%;
    background: linear-gradient(45deg, var(--color-accent), var(--color-border));
    filter: blur(90px);
    opacity: 0.2;
    z-index: 1;
}

/* Animation styles */
.technology {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.technology.is-visible {
    opacity: 1;
    transform: translateY(0);
}


@media (max-width: 992px) {
    .technology__container {
        grid-template-columns: 1fr;
    }
    .technology__visual {
        margin-top: 2rem;
        order: -1; /* Image will be on top on mobile */
    }
}

@media (max-width: 768px) {
    .technology {
        padding: 4rem 0;
    }
    .section-title {
        text-align: center;
    }
    .section-subtitle {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
}

/* --- Cases Section --- */
.cases {
    padding: 6rem 0;
}

.cases__container {
    text-align: center;
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    text-align: left;
}

.cases__card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cases__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 191, 255, 0.1);
}

.cases__card-icon-wrapper {
    display: inline-flex;
    padding: 1rem;
    background-color: rgba(0, 191, 255, 0.1);
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.cases__card-icon {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.cases__card-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.cases__card-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Animation styles for cases */
.cases {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.cases.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .cases {
        padding: 4rem 0;
    }
}

/* --- Benefits Section --- */
.benefits {
    padding: 6rem 0;
    background-color: var(--color-bg-secondary);
}

.benefits__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.benefits__visual {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.benefits__image {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* --- Accordion --- */
.accordion {
    border-top: 1px solid var(--color-border);
}

.accordion__item {
    border-bottom: 1px solid var(--color-border);
}

.accordion__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1.5rem 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--color-text);
}

.accordion__title {
    font-family: var(--font-headings);
    font-size: 1.2rem;
    font-weight: 500;
}

.accordion__icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.accordion__content p {
    padding: 0 0.5rem 1.5rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.accordion__item.is-active .accordion__icon {
    transform: rotate(180deg);
}

.accordion__item.is-active .accordion__content {
    /* max-height is set via JS */
}

/* Animation styles for benefits */
.benefits {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.benefits.is-visible {
    opacity: 1;
    transform: translateY(0);
}


@media (max-width: 992px) {
    .benefits__container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .benefits {
        padding: 4rem 0;
    }
    .benefits__container {
        gap: 2rem;
    }
    .benefits__content .section-title,
    .benefits__content .section-subtitle {
        text-align: center;
    }
}

/* --- Contact Section --- */
.contact {
    padding: 6rem 0;
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact__info .section-subtitle {
    margin-bottom: 3rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact__detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.contact__detail-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.contact__detail-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact__detail-item a {
    color: var(--color-text-secondary);
}
.contact__detail-item a:hover {
    color: var(--color-accent);
}

.contact__form-wrapper {
    background-color: var(--color-bg-secondary);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--color-border);
}

.form__group {
    position: relative;
    margin-bottom: 2rem;
}

.form__input {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form__input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form__label {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: all 0.3s ease;
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
    top: 0;
    left: 0.75rem;
    transform: translateY(-50%) scale(0.8);
    background-color: var(--color-bg-secondary);
    padding: 0 0.5rem;
}

.form__label--static {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
}

.form__group--captcha {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.form__group--captcha .form__input {
    max-width: 100px;
}

.form__group--checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}
.form__group--checkbox input {
    width: 1rem;
    height: 1rem;
}
.form__group--checkbox a {
    color: var(--color-accent);
    text-decoration: underline;
}

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

.success-message {
    display: none; /* Initially hidden */
    text-align: center;
    padding: 2rem;
}

.success-message__icon {
    width: 60px;
    height: 60px;
    color: #28a745;
    margin-bottom: 1rem;
}

.success-message__title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

/* Animation styles for contact */
.contact {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.contact.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .contact {
        padding: 4rem 0;
    }
    .contact__info .section-title,
    .contact__info .section-subtitle {
        text-align: center;
    }
    .contact__details {
        align-items: center;
        text-align: center;
    }
     .contact__form-wrapper {
        padding: 2rem;
    }
}

/* --- Cookie Popup --- */
.cookie-popup {
    position: fixed;
    bottom: -100%; /* Initially hidden */
    left: 0;
    width: 100%;
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    z-index: 1100;
    transition: bottom 0.5s ease-in-out;
}

.cookie-popup.is-visible {
    bottom: 0;
}

.cookie-popup__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.cookie-popup p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.cookie-popup a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-popup .btn {
    padding: 0.6rem 1.5rem;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cookie-popup__content {
        flex-direction: column;
        text-align: center;
    }
}


/* --- Policy & Static Pages Styles --- */
.pages .container {
    max-width: 800px; /* Narrower container for better readability */
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.pages h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
}

.pages h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.pages p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.pages a {
    color: var(--color-accent);
    text-decoration: underline;
}

.pages ul {
    list-style: disc;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.pages li {
    margin-bottom: 0.75rem;
    color: var(--color-text-secondary);
}

.pages strong {
    color: var(--color-text);
    font-weight: 500;
}