:root {
    --bg-dark: #0D0D0D;
    --bg-light: #FFFFFF;
    --accent: #3B82F6;
    --text-main: #1A1A1A;
    --text-muted: #666666;
    --white: #FFFFFF;
    --container-width: 1240px;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.logo__text {
    font-family: 'Space Grotesk', sans-serif;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn--primary {
    background: var(--accent);
    color: var(--white);
    border: 1px solid var(--accent);
}

.btn--primary:hover {
    background: transparent;
    color: var(--accent);
    transform: translateY(-2px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo__icon {
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 8px;
    position: relative;
}

.logo__icon::after {
    content: '';
    position: absolute;
    inset: 6px;
    border: 2px solid var(--white);
    border-radius: 4px;
}

.nav__list {
    display: flex;
    gap: 40px;
}

.nav__link {
    font-weight: 500;
    font-size: 0.95rem;
    opacity: 0.8;
}

.nav__link:hover {
    opacity: 1;
    color: var(--accent);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.burger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* Footer */
.footer {
    background: #050505;
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer__description {
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer__title {
    margin-bottom: 25px;
    font-size: 1.1rem;
    color: var(--white);
}

.footer__links li {
    margin-bottom: 12px;
}

.footer__links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer__links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer__info li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.icon-sm {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex-shrink: 0;
}

.footer__bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

    .nav {
        display: none;
    }

    .burger {
        display: flex;
    }
}

@media (max-width: 576px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}
/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
    background-color: var(--bg-dark);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.4;
}

#hero-svg {
    width: 100%;
    height: 100%;
}

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

.hero__content {
    max-width: 800px;
}

.hero__subtitle {
    display: inline-block;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero__title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 25px;
}

.text-gradient {
    background: linear-gradient(90deg, #3B82F6, #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero__btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn--lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn--outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.btn--outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

@media (max-width: 768px) {
    .hero {
        text-align: center;
        padding-top: 120px;
    }

    .hero__btns {
        justify-content: center;
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }
}
/* Global Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-description {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.text-accent-blue {
    color: var(--accent);
}

/* Courses Section */
.courses {
    padding: 100px 0;
    background-color: var(--bg-light);
    color: var(--text-main);
}

.courses__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    background: #f8fafc;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--accent);
}

.course-card__icon {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin-bottom: 25px;
}

.course-card__title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.course-card__text {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.course-card__list {
    margin-bottom: 30px;
    margin-top: auto;
}

.course-card__list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-main);
}

.course-card__list i {
    width: 16px;
    color: var(--accent);
}

.course-card__link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--accent);
}

/* Features Section */
.features {
    padding: 120px 0;
    background-color: var(--bg-dark);
    color: var(--white);
    overflow: hidden;
}

.features__wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.features__list {
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
}

.feature-item__number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.5;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

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

.features__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.experience-blob {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.experience-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.experience-text span {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
}

.experience-text p {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@media (max-width: 992px) {
    .features__wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .features__visual {
        order: -1;
    }
}
/* Reviews Section */
.reviews {
    padding: 100px 0;
    background: var(--bg-light);
    color: var(--text-main);
}

.reviews-slider {
    padding: 40px 0 60px !important;
}

.review-card {
    background: #FFFFFF;
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 40px;
    border-radius: 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.review-card__stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.review-card__stars i {
    width: 18px;
    height: 18px;
    fill: #FBBF24;
    color: #FBBF24;
}

.review-card__quote {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
    font-style: italic;
    color: var(--text-main);
}

.review-card__user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.review-card__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    background: #eee;
}

.review-card__name {
    font-size: 1rem;
    font-weight: 700;
}

.review-card__pos {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.swiper-pagination-bullet-active {
    background: var(--accent) !important;
}

/* FAQ Section */
.faq {
    padding: 120px 0;
    background: var(--bg-dark);
    color: var(--white);
}

.faq__grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
}

.faq__cta {
    margin-top: 40px;
}

.faq__cta p {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.accordion-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-header {
    width: 100%;
    padding: 25px 0;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.accordion-header:hover {
    color: var(--accent);
}

.accordion-header i {
    transition: transform 0.4s ease;
}

.accordion-item.active .accordion-header i {
    transform: rotate(45deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.accordion-item.active .accordion-body {
    max-height: 1000px;
    transition: max-height 0.4s cubic-bezier(1, 0, 1, 0);
}

.accordion-body p {
    padding-bottom: 25px;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 992px) {
    .faq__grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}
/* Contact Section */
.contact {
    padding: 120px 0;
    background-color: var(--bg-light);
    color: var(--text-main);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact__details {
    margin-top: 40px;
}

.contact__item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact__item i {
    width: 24px;
    color: var(--accent);
}

.contact__item span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact__item p {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Form Styles */
.form {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 32px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.form__group {
    margin-bottom: 20px;
}

.form__input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    background: #F8FAFC;
    font-family: inherit;
    transition: var(--transition);
}

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

.form__captcha {
    margin-bottom: 20px;
    padding: 15px;
    background: #F1F5F9;
    border-radius: 12px;
}

.form__label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
}

.form__checkbox {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.85rem;
    margin-bottom: 30px;
    cursor: pointer;
}

.form__checkbox input {
    margin-top: 4px;
}

.form__status {
    margin-top: 20px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form__status.success {
    color: #10B981;
    display: block;
}

.form__status.error {
    color: #EF4444;
    display: block;
}

/* Cookie Popup */
.cookie {
    position: fixed;
    bottom: -100px;
    left: 20px;
    right: 20px;
    z-index: 2000;
    background: #0D0D0D;
    color: white;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: bottom 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.cookie.active {
    bottom: 20px;
}

.cookie__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.cookie p {
    font-size: 0.9rem;
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 999;
    padding: 100px 20px;
    transform: translateX(100%);
    transition: transform 0.5s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.mobile-nav__list a {
    font-size: 2rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.burger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cookie__content {
        flex-direction: column;
        text-align: center;
    }
}
/* Styles for inner pages (Legal, Contacts) */
.pages {
    padding: 160px 0 100px;
    /* Отступ под фиксированный хедер */
    background-color: var(--bg-light);
    color: var(--text-main);
    min-height: 80vh;
}

.pages h1 {
    font-size: clamp(1.6rem, 6vw, 4rem);
    margin-bottom: 30px;
    color: var(--bg-dark);
}

.pages p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 900px;
    margin-bottom: 40px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.contact-card {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.contact-card__icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 25px;
}

.contact-card h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.contact-link {
    display: inline-block;
    margin-top: 15px;
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}

.contact-address {
    font-style: normal;
    margin-top: 15px;
    line-height: 1.6;
    font-weight: 500;
}

.contact-extra {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 40px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .pages {
        padding-top: 120px;
    }
}