/* ==================== GOOGLE FONTS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Roboto+Mono:wght@400;700&display=swap');

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Colors */
    --bg-main: #121212;
    --bg-secondary: #1E1E1E;
    --accent-primary: #00F5D4;
    --accent-primary-hover: #00e0c3;
    --text-primary: #FFFFFF;
    --text-secondary: #A9A9A9;
    --border-color: #333333;

    /* Typography */
    --font-family-base: 'Inter', sans-serif;
    --font-family-mono: 'Roboto Mono', monospace;
    --fs-base: 16px;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-bold: 700;

    /* Other */
    --container-width: 1140px;
    --container-padding: 1rem;
    --transition-base: 0.3s ease;
}

/* ==================== BASE STYLES ==================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--fs-base);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
}

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

a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4.5rem;
}

.header__logo {
    font-family: var(--font-family-mono);
    font-weight: var(--fw-bold);
    font-size: 1.5rem;
    color: var(--text-primary);
}

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

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

.header__nav-link {
    font-size: 1rem;
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

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

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

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

.header__menu-toggle {
    display: none;
    color: var(--text-primary);
}

/* Header media query for mobile */
@media screen and (max-width: 768px) {
    .header__nav {
        display: none; /* Will be handled by JS later */
    }

    .header__menu-toggle {
        display: block;
    }
}


/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer__logo {
    font-family: var(--font-family-mono);
    font-weight: var(--fw-bold);
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: inline-block;
}

.footer__description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer__title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: var(--fw-medium);
}

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

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

.footer__link:hover {
    color: var(--accent-primary);
    padding-left: 0.25rem;
}

.footer__list--contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer__list--contact i {
    color: var(--accent-primary);
    width: 20px;
    height: 20px;
}

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

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer__copy {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ==================== HERO ==================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 4.5rem; /* Header offset */
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.1;
    animation: background-pan 60s linear infinite;
}

@keyframes background-pan {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-50%, -50%); }
}

.hero__container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem); /* Responsive font size */
    font-weight: var(--fw-bold);
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.hero__title--animated {
    color: var(--accent-primary);
    position: relative;
}

/* Blinking cursor for typewriter effect */
.hero__title--animated::after {
    content: '|';
    position: absolute;
    right: -0.2em;
    font-weight: var(--fw-regular);
    animation: blink 1s steps(1) infinite;
}

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

.hero__description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin-bottom: 2.5rem;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
}

.hero__button {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: var(--fw-medium);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

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

.hero__button--primary:hover {
    background-color: var(--accent-primary-hover);
    color: var(--bg-main);
    transform: translateY(-3px);
}

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

.hero__button--secondary:hover {
    border-color: var(--accent-primary);
    background-color: var(--accent-primary);
    color: var(--bg-main);
    transform: translateY(-3px);
}

/* Hero media query for smaller screens */
@media screen and (max-width: 480px) {
    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }
    .hero__button {
        width: 100%;
    }
}

/* ==================== REUSABLE SECTION STYLES ==================== */
.section {
    padding: 6rem 0 2rem;
    overflow: hidden; /* Prevents AOS animations from showing scrollbars */
}

.section:nth-of-type(odd) { /* Чередование фона секций */
    background-color: var(--bg-secondary);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__title {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

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

@media screen and (max-width: 768px) {
    .section {
        padding: 4rem 0 1rem;
    }
    .section__title {
        font-size: 2rem;
    }
    .section__header {
        margin-bottom: 3rem;
    }
}

/* ==================== PLATFORMS SECTION ==================== */
.platforms__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.platforms__card {
    background-color: var(--bg-main);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.platforms__card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 245, 212, 0.1);
}

.platforms__card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 245, 212, 0.1);
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.platforms__card-icon i {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

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

.platforms__card-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== TOOLS SECTION ==================== */
.tools__container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

.tools__tabs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tools__tab {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background-color: transparent;
    border-left: 3px solid transparent;
    transition: all var(--transition-base);
}

.tools__tab:hover {
    background-color: var(--bg-main);
    color: var(--text-primary);
}

.tools__tab--active {
    background-color: var(--bg-main);
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

.tools__tab i {
    width: 20px;
    height: 20px;
}

.tools__content-pane {
    display: none;
    animation: fadeIn 0.5s;
}

.tools__content-pane--active {
    display: block;
}

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

.tools__content-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tools__content-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
}

.tools__content-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    list-style-type: none;
    padding-left: 1.5rem;
}

.tools__content-list li {
    position: relative;
    font-size: 1rem;
}

.tools__content-list li::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--accent-primary);
    border-radius: 50%;
}

/* Tools media query for tablets and mobile */
@media screen and (max-width: 992px) {
    .tools__container {
        grid-template-columns: 200px 1fr;
        gap: 2rem;
    }
    .tools__content-title {
        font-size: 1.75rem;
    }
}

@media screen and (max-width: 768px) {
    .tools__container {
        grid-template-columns: 1fr;
    }
    .tools__tabs {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 1rem; /* for scrollbar */
    }
    .tools__tab {
        flex-direction: column;
        gap: 0.5rem;
        border-left: none;
        border-bottom: 3px solid transparent;
        white-space: nowrap;
    }
    .tools__tab--active {
        border-bottom-color: var(--accent-primary);
    }
}

/* ==================== AI INTEGRATIONS SECTION ==================== */
.ai__timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 3rem; 
}

/* The vertical line */
.ai__timeline::before {
    content: '';
    position: absolute;
    left: 24px; /* (Icon width 48px / 2) */
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(var(--accent-primary), var(--bg-secondary));
    transform: translateX(-50%);
}

.ai__item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.ai__item:last-child {
    margin-bottom: 0;
}

.ai__icon {
    position: absolute;
    left: -3rem;
    top: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    z-index: 1;
}

.ai__icon i {
    color: var(--accent-primary);
}

.ai__content {
    padding-left: 1rem;
}

.ai__title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.ai__description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* AI media query for mobile */
@media screen and (max-width: 576px) {
    .ai__timeline {
        padding-left: 0;
    }
    
    .ai__timeline::before {
        left: 24px;
    }

    .ai__item {
        gap: 1.5rem;
        padding-left: 3.5rem;
    }

    .ai__icon {
        left: 0;
    }

    .ai__content {
        padding-left: 0;
    }
}

/* ==================== CASES SECTION ==================== */
.cases__container {
    position: relative;
}

.cases-slider {
    width: 100%;
    padding: 1rem 0 3rem 0; /* Extra padding for pagination */
}

.cases__card {
    position: relative;
    height: 450px;
    border-radius: 8px;
    overflow: hidden;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.cases__card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cases__card:hover .cases__card-img {
    transform: scale(1.05);
}

.cases__card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(18, 18, 18, 0.95) 20%, rgba(18, 18, 18, 0.1) 100%);
}

.cases__card-content {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
}

.cases__card-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--accent-primary);
    color: var(--bg-main);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: var(--fw-bold);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.cases__card-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.cases__card-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.cases__card-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cases__card-tag {
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    font-family: var(--font-family-mono);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* Swiper Controls */
.swiper-pagination-bullet {
    background-color: var(--text-secondary);
}

.swiper-pagination-bullet-active {
    background-color: var(--accent-primary);
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--accent-primary);
    --swiper-navigation-size: 30px; /* default is 44px */
}

@media screen and (max-width: 768px) {
    .swiper-button-next,
    .swiper-button-prev {
        display: none;
    }
}

/* ==================== CONTACT SECTION ==================== */
.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: flex-start;
}

.contact__info-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact__info-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact__info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__info-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact__info-list i {
    color: var(--accent-primary);
    width: 24px;
    height: 24px;
}

/* Form Styles */
.contact__form {
    display: grid;
    gap: 1.5rem;
}

.form__group {
    position: relative;
}

.form__input {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-base);
}

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

.form__label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all var(--transition-base);
}

/* Floating label effect */
.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: 0.85rem;
    color: var(--accent-primary);
    background-color: var(--bg-secondary);
    padding: 0 0.25rem;
}

.form__group--captcha {
    display: grid;
    grid-template-columns: 1fr 100px;
    align-items: center;
    gap: 1rem;
}
#captcha-label {
    position: static;
    pointer-events: auto;
}

/* Checkbox Styles */
.form__group--checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form__checkbox-input {
    width: 1.25em;
    height: 1.25em;
    accent-color: var(--accent-primary);
}

.form__checkbox-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.form__checkbox-label a {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* Button & Message */
.form__button {
    padding: 1rem 2rem;
    border-radius: 5px;
    font-weight: var(--fw-medium);
    transition: all var(--transition-base);
    background-color: var(--accent-primary);
    color: var(--bg-main);
    font-size: 1rem;
}

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

.form__message {
    font-size: 0.9rem;
    text-align: center;
    display: none; /* Initially hidden */
}
.form__message.success {
    color: var(--accent-primary);
}
.form__message.error {
    color: #ff6b6b;
}

/* Contact media query */
@media screen and (max-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr;
    }
}
@media screen and (max-width: 480px) {
    .form__group--captcha {
        grid-template-columns: 1fr;
    }
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
    position: fixed;
    bottom: -100%; /* Initially hidden */
    left: 50%;
    transform: translateX(-50%);
    max-width: 500px;
    width: calc(100% - 2rem);
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    z-index: 200;
    transition: bottom 0.5s ease-in-out;
}

.cookie-popup.show {
    bottom: 1rem;
}

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

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

.cookie-popup__button {
    padding: 0.6rem 1.2rem;
    background-color: var(--accent-primary);
    color: var(--bg-main);
    border-radius: 5px;
    font-weight: var(--fw-medium);
    white-space: nowrap;
    transition: background-color var(--transition-base);
}

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

@media screen and (max-width: 576px) {
    .cookie-popup {
        flex-direction: column;
        text-align: center;
    }
}

/* ==================== GENERIC PAGES (PRIVACY, TERMS, ETC.) ==================== */
.pages {
    padding: 8rem 0 4rem; /* Add padding to account for fixed header */
}

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

.pages h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 2rem;
    font-family: var(--font-family-mono);
}

.pages h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-family-mono);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.pages p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.pages ul {
    list-style: none;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.pages li {
    position: relative;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.pages li::before {
    content: '›';
    position: absolute;
    left: -1.5rem;
    color: var(--accent-primary);
    font-weight: var(--fw-bold);
    font-size: 1.5rem;
    top: -0.25rem;
}

.pages a {
    color: var(--accent-primary);
    text-decoration: underline;
    font-weight: var(--fw-medium);
}

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

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