/*
 * ГЛОБАЛЬНЫЕ СТИЛИ И ПЕРЕМЕННЫЕ
 */

:root {
    --bg-color: #111827;
    --bg-light: #1F2937;
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
    --accent-color: #8B5CF6;
    --accent-hover: #7C3AED;
    --border-color: #374151;
    --font-primary: 'Inter', sans-serif;
    --font-headings: 'Poppins', sans-serif;
    --container-width: 1140px;
    --container-padding: 1.5rem;
}

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

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

ul {
    list-style: none;
}

h1, h2, h3 {
    font-family: var(--font-headings);
    font-weight: 600;
}

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

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


/*
 * ХЕДЕР (HEADER)
 */

.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.header__nav {
    display: none; /* Скрыто на мобильных */
}

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

.header__nav-link {
    font-weight: 500;
}

.header__nav-link--cta {
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.header__nav-link--cta:hover {
    background-color: var(--accent-hover);
    color: #fff;
}

.header__burger-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

/*
 * ФУТЕР (FOOTER)
 */

.footer {
    background-color: var(--bg-light);
    padding-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__column--main {
    max-width: 300px;
}

.footer__description {
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer__list li {
    margin-bottom: 0.75rem;
}

.footer__link, .footer__text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer__link:hover {
    color: var(--accent-color);
}

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

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

.footer__bottom {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}


/*
 * АДАПТИВНОСТЬ (MEDIA QUERIES)
 */

@media (min-width: 768px) {
    .header__burger-btn {
        display: none;
    }

    .header__nav {
        display: block;
    }
    
    .footer__container {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .footer__container {
        gap: 4rem;
    }
}

/*
 * ОБЩИЕ КОМПОНЕНТЫ
 */

.button {
    display: inline-block;
    background-color: var(--accent-color);
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    font-family: var(--font-headings);
    text-align: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.button:hover {
    background-color: var(--accent-hover);
    color: #fff;
    transform: translateY(-3px);
}


/*
 * СЕКЦИЯ HERO
 */

.hero {
    padding: 6rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

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

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: 2.2rem;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero__title--highlight {
    color: var(--accent-color);
    display: inline-block;
}

.hero__cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Адаптивность для Hero */
@media (min-width: 992px) {
    .hero {
        padding: 8rem 0;
    }
    
    .hero__container {
        grid-template-columns: 1.2fr 1fr;
        gap: 5rem;
    }

    .hero__content {
        text-align: left;
    }

    .hero__title {
        font-size: 3rem;
    }

    .hero__subtitle {
        margin: 0 0 2.5rem;
    }
}

/*
 * ОБЩИЕ СТИЛИ СЕКЦИЙ
 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

/*
 * СЕКЦИЯ ПРОЦЕССА (PROCESS)
 */

.process {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.process__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.process-card {
    background-color: var(--bg-color);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.process-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.process-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.process-card__number {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--border-color);
}

.process-card__icon {
    width: 36px;
    height: 36px;
    color: var(--accent-color);
}

.process-card__title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

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

/* Адаптивность для Process */
@media (min-width: 768px) {
    .process__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .process__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/*
 * СЕКЦИЯ ТЕХНОЛОГИЙ (TECH)
 */

.tech {
    padding: 6rem 0;
}

.tech__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.tech-item {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.tech-item:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.tech-item__logo {
    max-width: 64px;
    max-height: 64px;
    filter: grayscale(100%) opacity(0.6);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.tech-item:hover .tech-item__logo {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}

.tech-item__name {
    margin-top: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.tech-item:hover .tech-item__name {
    opacity: 1;
    color: var(--text-primary);
}


/* Адаптивность для Tech */
@media (min-width: 768px) {
    .tech__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .tech__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/*
 * СЕКЦИЯ КЕЙСОВ (CASES)
 */

.cases {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.cases__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.case-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.case-card__image-wrapper {
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.case-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-card:hover .case-card__image {
    transform: scale(1.05);
}

.case-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.case-card__title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.case-card__description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.case-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-card__tag {
    background-color: rgba(139, 92, 246, 0.15);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}


/* Адаптивность для Cases */
@media (min-width: 768px) {
    .cases__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cases__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/*
 * СЕКЦИЯ БЛОГА (BLOG)
 */

.blog {
    padding: 6rem 0;
}

.blog__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.blog-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.blog-card:hover {
    border-color: var(--border-color);
}

.blog-card__image-link {
    display: block;
    aspect-ratio: 16 / 9;
}

.blog-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card__meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.blog-card__title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.blog-card__title a {
    color: var(--text-primary);
}

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

.blog-card__excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.blog-card__read-more {
    color: var(--accent-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
}

.blog-card__icon {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.blog-card__read-more:hover .blog-card__icon {
    transform: translateX(5px);
}

/* Адаптивность для Blog */
@media (min-width: 768px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/*
 * СЕКЦИЯ КОНТАКТОВ (CONTACT)
 */
.contact {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

/* Форма */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 0.9rem 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.form-input::placeholder {
    color: #6B7280;
}

.form-group--captcha {
    max-width: 200px;
}

.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group--checkbox input[type="checkbox"] {
    width: 1.2em;
    height: 1.2em;
    accent-color: var(--accent-color);
}
.form-group--checkbox a {
    color: var(--accent-hover);
    text-decoration: underline;
}

.button--full {
    width: 100%;
}

.form-message {
    display: none; /* Скрыто по умолчанию */
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.form-message--success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid #10B981;
}

.form-message--error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid #EF4444;
}


/* Детали контактов */
.contact__details {
    padding: 2.5rem;
    background-color: var(--bg-color);
    border-radius: 12px;
}

.contact__details-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.contact__details-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}


/* Адаптивность для Contact */
@media (min-width: 992px) {
    .contact__wrapper {
        grid-template-columns: 1.5fr 1fr;
    }
}

/*
 * ДОПОЛНИТЕЛЬНЫЕ ЭЛЕМЕНТЫ: COOKIE POP-UP
 */

.cookie-popup {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    max-width: 500px;
    background-color: var(--bg-light);
    color: var(--text-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    z-index: 200;
    opacity: 0;
    transform: translateY(20px);
    visibility: hidden;
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
}

.cookie-popup.cookie-popup--active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.cookie-popup__text {
    font-size: 0.9rem;
    line-height: 1.5;
}

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

.cookie-popup__btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    width: 100%;
}

/* Адаптивность для Cookie Pop-up */
@media (min-width: 576px) {
    .cookie-popup {
        flex-direction: row;
        align-items: center;
        max-width: none;
        width: auto;
        left: 50%;
        transform: translateX(-50%) translateY(20px);
    }
    
    .cookie-popup.cookie-popup--active {
        transform: translateX(-50%) translateY(0);
    }

    .cookie-popup__btn {
        width: auto;
    }
}

/*
 * СТИЛИЗАЦИЯ СТРАНИЦ ПОЛИТИК (PAGES)
 */

.pages {
    padding: 6rem 0;
}

/* Ограничиваем ширину текстового блока для лучшей читабельности */
.pages .container {
    max-width: 800px; 
}

.pages h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.pages h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.pages p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.pages li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.pages strong {
    color: var(--text-primary);
    font-weight: 600;
}

.pages a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.pages a:hover {
    border-bottom-color: var(--accent-color);
}