/* ==================== GLOBAL STYLES ==================== */
:root {
    --color-background: #111827;
    --color-surface: #1F2937;
    --color-primary: #4ADE80;
    --color-primary-hover: #34D399;
    --color-text-primary: #F9FAFB;
    --color-text-secondary: #9CA3AF;
    --color-border: #374151;

    --font-family-base: 'Inter', sans-serif;
    --font-family-heading: 'Roboto Mono', monospace;

    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-size: 16px;
    line-height: 1.6;
}

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

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(17, 24, 39, 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: var(--header-height);
}

.header__logo {
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text-primary);
}
.header__logo:hover {
    color: var(--color-text-primary);
}

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

.header__menu-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.header__menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

.header__menu-link--cta {
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: 0.5rem 1.25rem;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.header__menu-link--cta:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-background);
}

.header__menu-link--cta::after {
    display: none;
}

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

/* Header Responsive */
@media (max-width: 768px) {
    .header__menu {
        display: none; /* Will be handled by JS */
    }
    .header__burger-btn {
        display: block;
    }
}


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

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    padding-bottom: 4rem;
}

.footer__column--brand {
    flex-basis: 25%;
}

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

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

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

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

.footer__link {
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer__link--static {
    cursor: default;
    color: var(--color-text-secondary);
}

.footer__list--contacts .lucide {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
}

.footer__bottom-container {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ==================== HERO ==================== */
.hero {
    min-height: 100vh;
    padding-top: var(--header-height);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 3rem;
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem); /* Адаптивный размер шрифта */
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

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

/* Эффект курсора для пишущей машинки */
.hero__title--highlight::after {
    content: '|';
    display: inline-block;
    animation: blink 0.7s infinite;
    color: var(--color-text-secondary);
    font-weight: 400;
}

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

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero__cta {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 20px rgba(74, 222, 128, 0.2);
    transition: all 0.3s ease;
}

.hero__cta:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-background);
    transform: translateY(-3px);
    box-shadow: 0 7px 25px rgba(74, 222, 128, 0.3);
}

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

.hero__image {
    border-radius: 12px;
    border: 1px solid var(--color-border);
    max-width: 500px;
    width: 100%;
}

/* Hero Responsive */
@media (min-width: 992px) {
    .hero__container {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }
    .hero__content {
        text-align: left;
    }
    .hero__subtitle {
        margin-left: 0;
        margin-right: 0;
    }
}

/* ==================== COURSES ==================== */
.courses {
    padding-top: 5rem;
    padding-bottom: 5rem;
    background-color: var(--color-background);
}

.courses__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.courses__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.courses__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

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

.courses__card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.courses__card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.courses__icon-wrapper {
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-background);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.courses__icon-wrapper .lucide {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

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

.courses__card-description {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1; /* Pushes the stack to the bottom */
}

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

.courses__stack-item {
    background-color: var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-family: var(--font-family-heading);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

/* ==================== FORMAT ==================== */
.format {
    padding-top: 5rem;
    padding-bottom: 5rem;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.format__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 992px) {
    .format__container {
        grid-template-columns: 1fr 1.2fr; /* Правая колонка чуть шире */
        gap: 5rem;
    }
}

.format__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.5rem;
}

/* Декоративная линия слева от заголовка */
.format__title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 5px;
    background-color: var(--color-primary);
    border-radius: 5px;
}

.format__text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.format__features-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

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

.format__icon-wrapper {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.format__icon-wrapper .lucide {
    width: 26px;
    height: 26px;
    color: var(--color-primary);
}

.format__item-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-family-base); /* Используем основной шрифт для лучшей читаемости */
    font-weight: 700;
}

.format__item-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==================== PROCESS ==================== */
.process {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.process__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem;
}

.process__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.process__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

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

/* Центральная линия таймлайна */
.process__timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background-color: var(--color-border);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
}

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

/* Круги на центральной линии */
.process__step::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--color-background);
    border: 3px solid var(--color-primary);
    top: 25px;
    border-radius: 50%;
    z-index: 1;
}

/* Позиционирование блоков */
.process__step:nth-child(odd) {
    left: 0;
}

.process__step:nth-child(even) {
    left: 50%;
}

.process__step:nth-child(even)::after {
    left: -10px;
}

.process__step-content {
    padding: 1.5rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    position: relative;
    border-radius: 12px;
}

.process__step-number {
    position: absolute;
    top: -20px;
    left: 1.5rem;
    font-size: 3rem;
    font-family: var(--font-family-heading);
    color: rgba(156, 163, 175, 0.2); /* --color-text-secondary with alpha */
    z-index: -1;
}

.process__step-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.process__step-description {
    color: var(--color-text-secondary);
}

/* Process Responsive */
@media (max-width: 768px) {
    .process__timeline::after {
        left: 20px;
    }

    .process__step {
        width: 100%;
        padding-left: 50px;
        padding-right: 10px;
    }

    .process__step:nth-child(odd),
    .process__step:nth-child(even) {
        left: 0;
    }

    .process__step::after {
        left: 10px;
    }
}

/* ==================== REVIEWS ==================== */
.reviews {
    padding-top: 5rem;
    padding-bottom: 5rem;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.reviews__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.reviews__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.reviews__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.reviews__slider {
    overflow: hidden;
    padding: 1rem; /* Для тени */
    margin: 0 -1rem;
}

.reviews__card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.reviews__card::before {
    content: '“';
    position: absolute;
    top: 0.5rem;
    left: 1.5rem;
    font-size: 5rem;
    color: var(--color-primary);
    opacity: 0.1;
    font-family: serif;
}

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

.reviews__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
}

.reviews__author-name {
    font-size: 1.1rem;
    font-weight: 700;
}

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

.reviews__text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-style: italic;
}

.reviews__controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.reviews__nav-button {
    width: 44px;
    height: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.reviews__pagination .swiper-pagination-bullet {
    background-color: var(--color-text-secondary);
    width: 10px;
    height: 10px;
    transition: background-color 0.3s ease;
}

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

/* ==================== CONTACT ==================== */
.contact {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

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

@media (min-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr 1fr;
        align-items: flex-start;
    }
}

.contact__title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

.contact__description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

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

.contact__details-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

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

.contact__form-wrapper {
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
/* Скрываем форму после успешной отправки */
.contact__form.is-hidden {
    display: none;
}

.contact__input-group {
    position: relative;
}

.contact__input {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

/* Стили для label, которые поднимаются вверх при фокусе */
.contact__label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: all 0.2s ease;
}

.contact__input:focus ~ .contact__label,
.contact__input:not(:placeholder-shown) ~ .contact__label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: 0.8rem;
    color: var(--color-primary);
    background-color: var(--color-surface);
    padding: 0 0.25rem;
}

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

.contact__captcha-label {
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.contact__consent {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.contact__checkbox {
    margin-top: 4px;
    flex-shrink: 0;
}
.contact__consent-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.contact__submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-primary);
    color: var(--color-background);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact__submit-btn:hover {
    background-color: var(--color-primary-hover);
}

.contact__success-message {
    display: none; /* Изначально скрыто */
    text-align: center;
    padding: 2rem;
}
/* Показываем сообщение после отправки */
.contact__success-message.is-visible {
    display: block;
}

.contact__success-message .lucide {
    width: 60px;
    height: 60px;
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.contact__success-message h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--color-border);
    z-index: 200;
    transform: translateY(120%);
    transition: transform 0.5s ease-in-out;
}

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

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

.cookie-popup__text a {
    text-decoration: underline;
}

.cookie-popup__btn {
    background-color: var(--color-primary);
    color: var(--color-background);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

@media (min-width: 768px) {
    .cookie-popup {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem 2rem;
    }
    .cookie-popup__text {
        text-align: left;
    }
}


/* ==================== POLICY & TEXT PAGES ==================== */
/* Эти стили предназначены для отдельных страниц типа privacy.html,
   которые имеют структуру: <main><section class="pages">...</section></main> 
*/
.pages {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 5rem;
}

.pages .container {
    max-width: 800px; /* Уменьшаем ширину для лучшей читаемости текста */
}

.pages h1 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
}

.pages h2 {
    font-size: 1.8rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.pages p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.pages ul {
    list-style: none; /* Убираем стандартные маркеры */
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.pages li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--color-text-secondary);
}

/* Добавляем кастомные маркеры в виде иконок */
.pages li::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    position: absolute;
    left: 0;
    top: 5px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234ADE80' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='lucide lucide-check-circle-2'%3E%3Cpath d='M12 22c5.523 0 10-4.477 10-10S17.523 2 12 2 2 6.477 2 12s4.477 10 10 10z'/%3E%3Cpath d='m9 12 2 2 4-4'/%3E%3C/svg%3E");
    background-size: contain;
}

.pages a {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.pages strong {
    color: var(--color-text-primary);
    font-weight: 500;
}