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

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Colors */
    --color-bg: #0a0f1e;
    --color-bg-light: #1c2333;
    --color-text: #c5cde0;
    --color-heading: #ffffff;
    --color-primary: #00f5d4;
    --color-secondary: #ff00f0;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    --h1-font-size: 2.5rem;
    --h2-font-size: 2rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: 0.875rem;

    /* Spacing */
    --container-width: 1140px;
    --container-padding: 1.5rem;
    
    /* Other */
    --border-radius: 8px;
    --transition-duration: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--normal-font-size);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ==================== REUSABLE CLASSES ==================== */
.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%;
    z-index: 100;
    background-color: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.header__logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-heading);
    transition: color var(--transition-duration);
}
.header__logo:hover {
    color: var(--color-primary);
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.header__nav-link {
    font-weight: 500;
    transition: color var(--transition-duration);
}

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

.header__nav-link--cta {
    background-color: var(--color-primary);
    color: var(--color-bg);
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-duration), box-shadow var(--transition-duration);
}

.header__nav-link--cta:hover {
    background-color: #00e0c4;
    color: var(--color-bg);
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.5);
}

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

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--color-bg-light);
    padding-top: 5rem;
    border-top: 1px solid var(--color-border);
}

.footer__container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-heading);
    display: inline-block;
    margin-bottom: 1rem;
}

.footer__description {
    max-width: 300px;
}

.footer__title {
    font-size: var(--h3-font-size);
    margin-bottom: 1.5rem;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer__link {
    transition: color var(--transition-duration);
    display: inline-block;
}

.footer__link:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

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

.footer__list--contact .lucide {
    color: var(--color-primary);
    flex-shrink: 0;
}

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

/* ==================== RESPONSIVE DESIGN ==================== */
@media screen and (max-width: 992px) {
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .header__nav {
        /* Mobile menu styles will be added here later */
        display: none;
    }

    .header__burger-btn {
        display: block;
    }
    
    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__column--brand {
        align-items: center;
    }
    
    .footer__description {
       margin: 0 auto;
    }
    
    .footer__list--contact li {
       justify-content: center;
    }
}

/* ==================== REUSABLE CLASSES (доповнення) ==================== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    border: 2px solid transparent;
    transition: all var(--transition-duration) ease;
    cursor: pointer;
}

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

.button--primary:hover {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.5);
}

.button--secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-heading);
}

.button--secondary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg);
}


/* ==================== HERO ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem; /* Header height */
    overflow: hidden;
}

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

.hero__container {
    position: relative;
    z-index: 2;
    display: grid;
    align-items: center;
    gap: 3rem;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem); /* Адаптивный размер шрифта */
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-animation 4s linear infinite;
    margin-bottom: 1.5rem;
}

@keyframes gradient-animation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

.hero__buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero__image-wrapper {
    display: none; /* Скрыто на мобильных по умолчанию */
    position: relative;
    justify-self: center;
}

.hero__image {
    max-width: 400px;
    border-radius: var(--border-radius);
    position: relative;
    z-index: 2;
}

.hero__image-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius);
    top: 15px;
    left: 15px;
    z-index: 1;
    opacity: 0.5;
    filter: blur(10px);
}


/* ==================== RESPONSIVE DESIGN (доповнення) ==================== */
@media screen and (min-width: 768px) {
    .hero__content {
        text-align: left;
    }

    .hero__description {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero__buttons {
        justify-content: flex-start;
    }
}

@media screen and (min-width: 992px) {
    .hero__container {
        grid-template-columns: 1.2fr 1fr;
        gap: 5rem;
    }

    .hero__image-wrapper {
        display: block;
    }
}

/* ==================== REUSABLE CLASSES (доповнення) ==================== */
.section {
    padding: 6rem 0;
}

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

.section__subtitle {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section__title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}


/* ==================== COURSES ==================== */
.courses {
    background-color: var(--color-bg-light);
}

.courses__container {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.course-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-duration), box-shadow var(--transition-duration);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px rgba(0, 245, 212, 0.3);
}

.course-card__icon {
    width: 60px;
    height: 60px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.course-card__icon .lucide {
    width: 32px;
    height: 32px;
    color: var(--color-bg);
}

.course-card__title {
    font-size: var(--h3-font-size);
    margin-bottom: 1rem;
}

.course-card__description {
    margin-bottom: 2rem;
}

.course-card__button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-heading);
    transform: translateY(20px);
    opacity: 0;
    transition: opacity var(--transition-duration), transform var(--transition-duration);
}

.course-card:hover .course-card__button {
    transform: translateY(0);
    opacity: 1;
}

.course-card__button .lucide {
    transition: transform var(--transition-duration);
}

.course-card__button:hover .lucide {
    transform: translateX(5px);
}
/* ==================== BENEFITS ==================== */
.benefits {
    padding-bottom: 3rem; /* Немного уменьшим нижний паддинг */
}

.benefits__container {
    display: grid;
    gap: 4rem;
    align-items: center;
}

.benefits__image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

.benefits__image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.15), rgba(255, 0, 240, 0.15));
}

.benefits__content .section__header {
    text-align: left;
    margin-bottom: 1.5rem;
}

.benefits__content .section__title,
.benefits__content .section__subtitle {
    margin-left: 0;
    margin-right: 0;
}

.benefits__description {
    margin-bottom: 2.5rem;
    max-width: 500px;
}

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

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

.benefits__item-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.benefits__item-icon .lucide {
    color: var(--color-primary);
}

.benefits__item-text h3 {
    font-size: 1.15rem;
    color: var(--color-heading);
    margin-bottom: 0.25rem;
}

/* ==================== RESPONSIVE DESIGN (доповнення) ==================== */
@media screen and (min-width: 992px) {
    .benefits__container {
        grid-template-columns: 1fr 1fr;
    }
}

/* ==================== PROCESS ==================== */
.process {
    background-color: var(--color-bg-light);
}

.process__timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.process__timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background: linear-gradient(var(--color-primary), var(--color-secondary));
    top: 0;
    bottom: 0;
    left: 30px;
    margin-left: -3px;
}

.process__item {
    padding: 1rem 3rem;
    padding-left: 5rem;
    position: relative;
    background-color: inherit;
}

.process__icon-wrapper {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
}

.process__icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-bg-light);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    z-index: 1;
    display: grid;
    place-items: center;
    transition: transform var(--transition-duration);
}

.process__item:hover .process__icon {
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--color-primary);
}

.process__icon .lucide {
    color: var(--color-primary);
}

.process__content {
    padding: 1.5rem 2rem;
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    position: relative;
}

.process__step {
    font-size: var(--small-font-size);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    display: block;
}

.process__title {
    font-size: var(--h3-font-size);
    margin-bottom: 0.5rem;
}

/* ==================== RESPONSIVE DESIGN (доповнення) ==================== */
@media screen and (min-width: 768px) {
    .process__timeline::after {
        left: 50%;
    }
    .process__item {
        width: 50%;
        padding-left: 3rem;
        padding-right: 2rem;
    }
    .process__item:nth-child(odd) {
        left: 0;
        padding-left: 2rem;
        padding-right: 3rem;
        text-align: right;
    }
    .process__item:nth-child(even) {
        left: 50%;
    }
    .process__icon-wrapper {
        left: 50%;
        margin-left: -32px;
    }
}

/* ==================== REVIEWS ==================== */
.reviews {
    overflow: hidden; /* Важно для корректной работы слайдера */
}

.reviews__container {
    padding-bottom: 4rem; /* Место для пагинации */
}

.review-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
}

.review-card__image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--color-primary);
}

.review-card__text {
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
    padding: 0 1rem;
}

.review-card__text::before,
.review-card__text::after {
    content: '"';
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-primary);
    opacity: 0.3;
    position: absolute;
    line-height: 1;
}

.review-card__text::before {
    top: -0.5rem;
    left: -0.5rem;
}

.review-card__text::after {
    bottom: -1.5rem;
    right: -0.5rem;
}

.review-card__name {
    color: var(--color-heading);
}

.review-card__course {
    color: var(--color-primary);
    font-size: var(--small-font-size);
}

/* Swiper Styles */
.swiper-pagination-bullet {
    background-color: var(--color-border);
    opacity: 1;
}

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

.swiper-button-next,
.swiper-button-prev {
    color: var(--color-primary);
    transition: transform var(--transition-duration);
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    transform: scale(1.2);
}

/* ==================== CONTACT ==================== */
.contact {
    background-color: var(--color-bg-light);
}

.contact__container {
    display: grid;
    gap: 4rem;
}

.contact__info .section__header {
    text-align: left;
    margin-bottom: 1.5rem;
}

.contact__info .section__title,
.contact__info .section__subtitle {
    margin-left: 0;
}

.contact__description {
    margin-bottom: 2rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__details li {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact__details .lucide {
    color: var(--color-primary);
}

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

.form__group {
    position: relative;
}

.form__input {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-heading);
    font-size: var(--normal-font-size);
    outline: none;
    transition: border-color var(--transition-duration);
}

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

.form__input:focus,
.form__input:not(:placeholder-shown) {
    border-color: var(--color-primary);
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: var(--small-font-size);
    padding: 0 0.25rem;
    background-color: var(--color-bg-light);
    color: var(--color-primary);
}

.form__group--captcha {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.form__label--static {
    margin: 0;
}

.form__group--checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--small-font-size);
}
.form__group--checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form__button {
    width: 100%;
}

.form__message {
    text-align: center;
    font-weight: 600;
    display: none; /* Скрыто по умолчанию */
}
.form__message.success {
    color: var(--color-primary);
}
.form__message.error {
    color: var(--color-secondary);
}


/* ==================== RESPONSIVE DESIGN (доповнення) ==================== */
@media screen and (min-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr 1.2fr;
    }
}
/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
    position: fixed;
    bottom: -100%; /* Initially hidden */
    left: 0;
    width: 100%;
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem;
    z-index: 110;
    transition: bottom 0.5s ease-in-out;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
}

.cookie-popup.show {
    bottom: 0;
}

.cookie-popup__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--container-width);
    margin: 0 auto;
}

.cookie-popup__text {
    text-align: center;
}

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

/* ==================== RESPONSIVE DESIGN (доповнення) ==================== */
@media screen and (min-width: 768px) {
    .cookie-popup__content {
        flex-direction: row;
    }
    .cookie-popup__text {
        text-align: left;
    }
}
/* ==================== POLICY PAGES STYLES ==================== */
.pages {
    padding: 8rem 0 6rem; /* 5rem top padding + 3rem for header */
}

.pages .container {
    max-width: 800px; /* Узкий контейнер для лучшей читаемости */
}

.pages h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 2rem;
    color: var(--color-primary);
}

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

.pages p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.pages li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.pages li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.pages a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: text-decoration var(--transition-duration);
}

.pages a:hover {
    text-decoration: underline;
}

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