/* G L O B A L S */
:root {
    --font-main: 'Inter', sans-serif;
    --font-headings: 'Space Grotesk', sans-serif;
    
    --color-bg: #0D0D1A;
    --color-surface: #161625;
    --color-primary: #4D5DFF;
    --color-primary-hover: #6C7AFF;
    --color-text-main: #E0E0E0;
    --color-text-secondary: #8A94A7;
    
    --container-width: 1200px;
    --container-padding: 16px;
    
    --transition-duration: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

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

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);
}

.button {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--color-primary);
    color: #fff;
    font-family: var(--font-main);
    font-weight: 500;
    border-radius: 8px;
    text-align: center;
    transition: background-color var(--transition-duration) ease;
    border: none;
    cursor: pointer;
}

.button:hover {
    background-color: var(--color-primary-hover);
    color: #fff;
}

/* H E A D E R */
.header {
    padding: 24px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(13, 13, 26, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

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

.header__nav-list {
    display: flex;
    gap: 32px;
}

.header__nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    position: relative;
    padding: 4px 0;
}

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

.header__nav-link:hover {
    color: var(--color-text-main);
}

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

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

/* F O O T E R */
.footer {
    background-color: var(--color-surface);
    padding: 80px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
}

.footer__column--brand {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}

.footer__copyright {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-top: 16px;
}

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

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

.footer__link {
    color: var(--color-text-secondary);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

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


/* A D A P T I V E */
@media (max-width: 992px) {
    .header__nav, .header__button {
        display: none; /* Будет реализовано в JS для мобильного меню */
    }
    
    .header__burger-btn {
        display: block;
    }

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

@media (max-width: 576px) {
    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer__column--brand {
        align-items: center;
    }
    .footer__list--contacts .footer__list-item {
        justify-content: center;
    }
}

/* H E R O */
.hero {
    position: relative;
    min-height: 80vh;
    padding: 120px 0;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.2;
}

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

.hero__content {
    max-width: 750px;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Адаптивный размер шрифта */
    font-weight: 700;
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.button--outline {
    background-color: transparent;
    border: 1px solid var(--color-surface);
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.button--outline:hover {
    background-color: var(--color-surface);
    border-color: var(--color-surface);
}

.button__icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-duration) ease;
}

.button--outline:hover .button__icon {
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .hero {
        min-height: 60vh;
        padding: 80px 0;
        text-align: center;
    }
    .hero__content {
        margin: 0 auto;
    }
    .hero__actions {
        justify-content: center;
    }
}

/* G E N E R I C   S E C T I O N   S T Y L E S */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.section-header__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}


/* F E A T U R E S */
.features {
    padding: 100px 0;
    background-color: var(--color-surface);
}

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

.features__card {
    background-color: var(--color-bg);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: transform var(--transition-duration) ease, 
                border-color var(--transition-duration) ease;
    
    /* Styles for scroll animation */
    opacity: 0;
    transform: translateY(20px);
}

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

.features__card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
}

.features__card-icon {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.features__card-icon i {
    width: 36px;
    height: 36px;
}

.features__card-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* A D A P T I V E   F O R   F E A T U R E S */
@media (max-width: 992px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .features {
        padding: 80px 0;
    }
    .features__grid {
        grid-template-columns: 1fr;
    }
}

/* P R O C E S S */
.process {
    padding: 100px 0;
}

.process__timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

/* The vertical line in the middle */
.process__timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background-color: var(--color-surface);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
    border-radius: 3px;
}

.process__item {
    padding: 10px 40px;
    position: relative;
    width: 50%;

    /* Styles for scroll animation */
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* Align items to the left and right */
.process__item:nth-child(odd) {
    left: 0;
    transform: translateX(-30px);
}
.process__item:nth-child(even) {
    left: 50%;
    transform: translateX(30px);
}

/* Animate them when visible */
.process__item.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* The circle on the timeline */
.process__item::after {
    content: '';
    position: absolute;
    width: 21px;
    height: 21px;
    background-color: var(--color-bg);
    border: 4px solid var(--color-primary);
    top: 28px;
    border-radius: 50%;
    z-index: 1;
    transition: transform 0.3s ease;
}

.process__item:hover::after {
    transform: scale(1.2);
}

.process__item:nth-child(odd)::after {
    right: -10.5px;
}

.process__item:nth-child(even)::after {
    left: -10.5px;
}

.process__item-content {
    padding: 20px 30px;
    background-color: var(--color-surface);
    border-radius: 12px;
    position: relative;
}

.process__item:nth-child(even) .process__item-content {
    text-align: left;
}
.process__item:nth-child(odd) .process__item-content {
    text-align: right;
}


.process__item-step {
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.process__item-title {
    font-size: 1.25rem;
    margin-top: 4px;
    margin-bottom: 8px;
}

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

/* A D A P T I V E   F O R   P R O C E S S */
@media (max-width: 768px) {
    .process__timeline::after {
        left: 20px;
    }

    .process__item {
        width: 100%;
        padding-left: 50px;
        padding-right: 15px;
    }

    .process__item:nth-child(odd),
    .process__item:nth-child(even) {
        left: 0;
        text-align: left;
        transform: translateX(30px); /* For animation */
    }
    
    .process__item:nth-child(odd) .process__item-content,
    .process__item:nth-child(even) .process__item-content {
        text-align: left;
    }

    .process__item::after {
        left: 9.5px;
    }
    .process__item:nth-child(odd)::after,
    .process__item:nth-child(even)::after {
        left: 9.5px;
    }
}

/* C A S E S */
.cases {
    padding: 100px 0;
    background-color: var(--color-surface);
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background-color: var(--color-bg);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-surface);
    transition: transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
    
    /* Styles for scroll animation */
    opacity: 0;
    transform: translateY(30px);
}

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

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.case-card__image-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.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: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.case-card__title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.case-card__description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 24px;
}

.case-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-card__tag {
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
}

/* A D A P T I V E   F O R   C A S E S */
@media (max-width: 992px) {
    .cases__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .cases__grid {
        grid-template-columns: 1fr;
    }
}

/* A B O U T */
.about {
    padding: 100px 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    align-items: center;
    gap: 60px;
}

.about__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 24px;
}

.about__description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.about__principles {
    list-style: none;
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about__principle-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.about__principle-icon {
    flex-shrink: 0;
    color: var(--color-primary);
    width: 24px;
    height: 24px;
    margin-top: 4px;
}

.about__principle-item strong {
    display: block;
    font-size: 1.1rem;
    color: var(--color-text-main);
    margin-bottom: 4px;
}

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

.about__image-content {
    /* Styles for scroll animation */
    opacity: 0;
    transform: translateX(30px);
}
.about__text-content {
     /* Styles for scroll animation */
    opacity: 0;
    transform: translateX(-30px);
}
.about__image-content.is-visible,
.about__text-content.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.about__image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
    aspect-ratio: 4 / 5;
}

/* A D A P T I V E   F O R   A B O U T */
@media (max-width: 992px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about__image-content {
        order: -1; /* Image will be on top on mobile */
    }
}

/* C O N T A C T */
.contact {
    padding: 100px 0;
    background-color: var(--color-surface);
}

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

.contact__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 20px;
}

.contact__description {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.contact__benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact__benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.contact__benefit-icon {
    color: var(--color-primary);
    width: 20px;
    height: 20px;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-label {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-surface);
    border-radius: 8px;
    color: var(--color-text-main);
    font-size: 1rem;
    transition: border-color var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(77, 93, 255, 0.3);
}

.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

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

.form-group--checkbox a {
    text-decoration: underline;
}

.button--full-width {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
}

/* Form Message */
.form-message {
    padding: 16px;
    margin-top: 20px;
    border-radius: 8px;
    text-align: center;
    display: none; /* Initially hidden */
}

.form-message--success {
    background-color: rgba(0, 245, 201, 0.1);
    color: #00f5c9;
    border: 1px solid #00f5c9;
}

.form-message--error {
    background-color: rgba(255, 77, 77, 0.1);
    color: #ff4d4d;
    border: 1px solid #ff4d4d;
}


/* A D A P T I V E   F O R   C O N T A C T */
@media (max-width: 992px) {
    .contact__grid {
        grid-template-columns: 1fr;
    }
}

/* C O O K I E   P O P U P */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    max-width: 450px;
    background-color: var(--color-surface);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 200;
    
    display: flex;
    align-items: center;
    gap: 20px;
    
    transform: translateY(200%);
    opacity: 0;
    transition: transform 0.5s ease-out, opacity 0.5s ease-out;
    visibility: hidden;
}

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

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

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

.cookie-popup__btn {
    flex-shrink: 0;
    padding: 10px 20px;
}

@media (max-width: 576px) {
    .cookie-popup {
        flex-direction: column;
        left: 10px;
        right: 10px;
        bottom: 10px;
        text-align: center;
    }
}

/* P O L I C Y   P A G E   S T Y L E S */
.pages {
    padding: 80px 0;
}

.pages .container {
    max-width: 800px; /* Limit width for readability */
}

.pages h1 {
    font-size: clamp(2.2rem, 5vw, 3rem);
    margin-bottom: 32px;
}

.pages h2 {
    font-size: clamp(1.5rem, 4vw, 1.8rem);
    margin-top: 40px;
    margin-bottom: 20px;
}

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

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

.pages li {
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

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

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

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