/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Poppins:wght@600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --font-primary: 'Inter', sans-serif;
    --font-headings: 'Poppins', sans-serif;
    
    --color-background: #FFFFFF;
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-accent: #4F46E5;
    --color-accent-hover: #4338CA;
    --color-border: #E5E7EB;
    
    --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);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    line-height: 1.3;
}

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* --- Header --- */
.header {
    height: var(--header-height);
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
}

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

.header__logo {
    font-family: var(--font-headings);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.header__nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 5px 0;
}

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

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

.header__nav-link--button {
    background-color: var(--color-accent);
    color: var(--color-background);
    padding: 10px 20px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.header__nav-link--button:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-background);
}

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

.header__burger-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
}

/* --- Footer --- */
.footer {
    background-color: var(--color-text-primary);
    color: #A9B1BD;
    padding-top: 60px;
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 60px;
}

.footer__logo {
    font-family: var(--font-headings);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-background);
    display: inline-block;
    margin-bottom: 15px;
}

.footer__logo:hover {
    color: #E5E7EB;
}

.footer__description {
    font-size: 14px;
    line-height: 1.7;
}

.footer__title {
    font-size: 18px;
    color: var(--color-background);
    margin-bottom: 20px;
}

.footer__list-item {
    margin-bottom: 10px;
}

.footer__link {
    color: #A9B1BD;
    font-size: 14px;
}

.footer__link:hover {
    color: var(--color-background);
    text-decoration: underline;
}

.footer__list--contacts .footer__list-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer__icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.footer__bottom {
    background-color: #0B111C;
    padding: 20px 0;
}

.footer__bottom-container {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
}


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

@media (max-width: 768px) {
    .header__nav {
        display: none; /* Буде реалізовано з JS для мобільного меню */
    }

    .header__burger-button {
        display: block;
    }

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__list--contacts .footer__list-item {
       justify-content: center;
    }
}

/* --- Hero Section --- */
.hero {
    padding: 80px 0;
    background-color: var(--color-background);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 60px;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--color-accent), var(--color-text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__subtitle {
    font-size: 24px;
    color: var(--color-text-secondary);
    margin-bottom: 25px;
    height: 36px; /* Резервируем высоту для анимированного текста */
}

.hero__subtitle--animated {
    color: var(--color-text-primary);
    font-weight: 600;
    font-family: var(--font-headings);
}

/* Эффект курсора для анимированного текста */
.hero__subtitle--animated::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--color-accent);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero__description {
    max-width: 600px;
    margin: 0 auto 35px;
    color: var(--color-text-secondary);
    font-size: 18px;
}

.hero__cta-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-background);
    padding: 15px 35px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

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

.hero__image-wrapper {
    display: flex;
    justify-content: center;
}

.hero__image {
    max-width: 550px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}


/* --- Media Queries --- */
@media (min-width: 768px) {
    .hero__content {
        text-align: left;
    }

    .hero__description {
        margin-left: 0;
    }

    .hero__container {
         grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    .hero__title {
        font-size: 36px;
    }

    .hero__subtitle {
        font-size: 20px;
        height: 60px; /* Больше места на мобильных */
    }
}

/* --- Services Section --- */
.services {
    padding: 80px 0;
    background-color: #F9FAFB; /* Slightly off-white background */
}

.services__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.services__title {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.services__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.services__card {
    background-color: var(--color-background);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.services__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.07);
}

.services__card-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: #EEF2FF; /* Light indigo background */
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
}

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

.services__card-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.services__card-description {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* --- Media Queries --- */
@media (max-width: 992px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .services__title {
        font-size: 30px;
    }

    .services__subtitle {
        font-size: 16px;
    }

    .services__card {
        padding: 30px;
    }
}

/* --- Cases Section --- */
.cases {
    padding: 80px 0;
    background-color: var(--color-background);
}

.cases__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.cases__title {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.cases__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.cases__tabs-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.cases__tab-button {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-headings);
    color: var(--color-text-secondary);
    background-color: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.cases__tab-button::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

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

.cases__tab-button--active {
    color: var(--color-accent);
}

.cases__tab-button--active::after {
    width: 100%;
}

.cases__tab-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.cases__tab-panel--active {
    display: block;
}

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

.cases__panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.cases__panel-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}

.cases__panel-title {
    font-size: 28px;
    margin-bottom: 20px;
}

.cases__panel-description {
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.cases__panel-kpi {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

.cases__kpi-item {
    display: flex;
    flex-direction: column;
}

.cases__kpi-value {
    font-size: 32px;
    font-weight: 700;
    font-family: var(--font-headings);
    color: var(--color-accent);
}

.cases__kpi-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.cases__panel-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-accent);
}

.cases__panel-link-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.cases__panel-link:hover .cases__panel-link-icon {
    transform: translateX(5px);
}


/* --- Media Queries --- */
@media (max-width: 992px) {
    .cases__panel-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cases__panel-image-wrapper {
        order: -1; /* Image on top */
    }

    .cases__panel-kpi {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .cases__tabs-nav {
        flex-wrap: wrap;
    }
    
    .cases__tab-button {
        padding: 10px 15px;
        font-size: 14px;
    }

    .cases__title {
        font-size: 30px;
    }

    .cases__subtitle {
        font-size: 16px;
    }

    .cases__panel-title {
        font-size: 24px;
    }
}

/* --- About Section --- */
.about {
    padding: 80px 0;
    background-color: #F9FAFB; /* Off-white background */
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.about__title {
    font-size: 36px;
    margin-bottom: 25px;
}

.about__text {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about__quote {
    margin-top: 30px;
    padding-left: 25px;
    border-left: 4px solid var(--color-accent);
}

.about__quote-text {
    font-size: 20px;
    font-style: italic;
    color: var(--color-text-primary);
}

.about__quote-author {
    margin-top: 15px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.about__image-wrapper {
    display: flex;
    justify-content: center;
}

.about__image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}


/* --- Media Queries --- */
@media (min-width: 992px) {
    .about__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    .about {
        padding: 60px 0;
    }
    .about__title {
        font-size: 30px;
    }
    .about__text {
        font-size: 16px;
    }
    .about__quote-text {
        font-size: 18px;
    }
}

/* --- Blog Section --- */
.blog {
    padding: 80px 0;
    background-color: var(--color-background);
}

.blog__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.blog__title {
    font-size: 36px;
    margin-bottom: 15px;
}

.blog__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.07);
}

.blog-card__image-link {
    display: block;
}

.blog-card__image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.blog-card__content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card__category {
    display: inline-block;
    padding: 4px 12px;
    background-color: #EEF2FF;
    color: var(--color-accent);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
    align-self: flex-start;
}

.blog-card__title {
    font-size: 20px;
    margin-bottom: 15px;
    flex-grow: 1;
}

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

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

.blog-card__description {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: auto;
}

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

.blog-card__link:hover .blog-card__link-icon {
    transform: translateX(4px);
}

/* --- Media Queries --- */
@media (max-width: 992px) {
    .blog__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .blog {
        padding: 60px 0;
    }
    .blog__title {
        font-size: 30px;
    }
}

/* --- Contact Section --- */
.contact {
    padding: 80px 0;
    background-color: #F9FAFB;
}

.contact__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.contact__title {
    font-size: 36px;
    margin-bottom: 15px;
}

.contact__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.contact__form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-background);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact__form-group {
    margin-bottom: 20px;
}

.contact__label {
    /* Visually hidden but accessible */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.contact__input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.contact__form-group--captcha {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact__captcha-question {
    font-weight: 600;
    font-family: var(--font-headings);
}

.contact__input--captcha {
    width: 80px;
}

.contact__form-group--checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.contact__checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
}

.contact__checkbox-label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.contact__checkbox-label a {
    text-decoration: underline;
}

.contact__submit-button {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-background);
    background-color: var(--color-accent);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact__submit-button:hover {
    background-color: var(--color-accent-hover);
}

.contact__success-message {
    display: none; /* Initially hidden */
    text-align: center;
    padding: 20px;
    animation: fadeIn 0.5s ease-in-out;
}

.contact__success-icon {
    width: 60px;
    height: 60px;
    color: #10B981; /* Green color for success */
    margin-bottom: 20px;
}

.contact__success-title {
    font-size: 24px;
    margin-bottom: 10px;
}

.contact__success-text {
    font-size: 16px;
    color: var(--color-text-secondary);
}


/* --- Media Queries --- */
@media (max-width: 767px) {
    .contact {
        padding: 60px 0;
    }
    .contact__title {
        font-size: 30px;
    }
    .contact__form-wrapper {
        padding: 25px;
    }
}

/* --- Cookie Pop-up --- */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: var(--color-text-primary);
    color: var(--color-background);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transform: translateY(200%);
    transition: transform 0.5s ease-in-out;
}

.cookie-popup--visible {
    transform: translateY(0);
}

.cookie-popup__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookie-popup__text {
    font-size: 14px;
}

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

.cookie-popup__button {
    background-color: var(--color-accent);
    color: var(--color-background);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    white-space: nowrap;
    transition: background-color 0.3s ease;
}

.cookie-popup__button:hover {
    background-color: var(--color-accent-hover);
}

@media (max-width: 767px) {
    .cookie-popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
    }
    .cookie-popup__content {
        flex-direction: column;
        text-align: center;
    }
}

/* --- Policy & Legal Pages Styles --- */
.pages {
    padding: 60px 0;
}

.pages .container {
    max-width: 800px;
}

.pages h1 {
    font-size: 42px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 15px;
}

.pages h2 {
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.pages p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.pages ul {
    list-style-type: disc;
    padding-left: 25px;
    margin-bottom: 20px;
}

.pages li {
    margin-bottom: 10px;
    color: var(--color-text-secondary);
}

.pages a {
    text-decoration: underline;
}

.pages a:hover {
    text-decoration: none;
}

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

@media (max-width: 767px) {
    .pages h1 {
        font-size: 32px;
    }
    .pages h2 {
        font-size: 24px;
    }
}