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

/*=============== CSS VARIABLES ===============*/
:root {
	/* Colors */
	--primary-color: #a3ff12;
	--background-color: #111111;
	--text-color: #f5f5f5;
	--secondary-text-color: #888888;
	--container-color: #1a1a1a;

	/* Typography */
	--body-font: 'Inter', sans-serif;
	--heading-font: 'Space Grotesk', sans-serif;
	--h1-font-size: 2.5rem;
	--h2-font-size: 1.75rem;
	--h3-font-size: 1.25rem;
	--normal-font-size: 1rem;
	--small-font-size: 0.875rem;

	/* Spacing */
	--header-height: 5rem;
	--spacing-1: 0.5rem;
	--spacing-2: 1rem;
	--spacing-3: 1.5rem;
	--spacing-4: 2rem;
	--spacing-5: 3rem;

	/* Z-index */
	--z-header: 100;
	--z-menu: 110;
}

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

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--body-font);
	font-size: var(--normal-font-size);
	background-color: var(--background-color);
	color: var(--text-color);
	line-height: 1.6;
}

h1,
h2,
h3 {
	font-family: var(--heading-font);
	font-weight: 700;
	color: var(--text-color);
}

ul {
	list-style: none;
}

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

img,
svg {
	max-width: 100%;
	height: auto;
	vertical-align: middle;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
	max-width: 1140px;
	margin-left: var(--spacing-2);
	margin-right: var(--spacing-2);
}

/*=============== HEADER & NAV ===============*/
.header {
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	background-color: rgba(17, 17, 17, 0.8);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	z-index: var(--z-header);
	border-bottom: 1px solid #222;
}

.header__container {
	height: var(--header-height);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-1);
	font-family: var(--heading-font);
	font-weight: 700;
	font-size: 1.25rem;
	transition: color 0.3s;
}

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

.logo span {
	line-height: 1;
}

.nav {
	display: none; /* Mobile first */
}

.nav__list {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--spacing-4);
	padding-top: var(--spacing-5);
}

.nav__link {
	font-family: var(--heading-font);
	font-weight: 500;
	transition: color 0.3s;
}

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

.nav__link--button {
	background-color: var(--primary-color);
	color: var(--background-color);
	padding: 0.75rem 1.5rem;
	border-radius: 50px;
	transition: transform 0.3s, box-shadow 0.3s;
}

.nav__link--button:hover {
	color: var(--background-color);
	transform: translateY(-2px);
	box-shadow: 0 4px 15px rgba(163, 255, 18, 0.2);
}

.header__toggle {
	display: inline-flex;
	font-size: 1.5rem;
	color: var(--text-color);
	background: none;
	border: none;
	cursor: pointer;
}

.header__toggle.is-open {
	position: fixed;
	top: 1.75rem;
	right: 1rem;
	z-index: 120;
}

/* Mobile menu styles */
.nav.show-menu {
	display: block;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(17, 17, 17, 0.8);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	z-index: var(--z-menu);
	display: flex;
	justify-content: center;
	align-items: center;
}

/*=============== FOOTER ===============*/
.footer {
	padding-top: var(--spacing-5);
	border-top: 1px solid #222;
}

.footer__container {
	display: grid;
	gap: var(--spacing-4);
}

.footer__description {
	margin-top: var(--spacing-2);
	color: var(--secondary-text-color);
	max-width: 300px;
}

.footer__title {
	font-size: var(--h3-font-size);
	margin-bottom: var(--spacing-2);
}

.footer__list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-1);
}

.footer__link {
	color: var(--secondary-text-color);
	transition: color 0.3s;
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}

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

.footer__list--contacts .lucide {
	color: var(--primary-color);
	width: 18px;
}

.footer__address {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	color: var(--secondary-text-color);
}

.footer__bottom {
	padding: var(--spacing-3) 0;
	margin-top: var(--spacing-4);
	border-top: 1px solid #222;
	text-align: center;
	color: var(--secondary-text-color);
	font-size: var(--small-font-size);
}

/*=============== MEDIA QUERIES ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.footer__container {
		grid-template-columns: repeat(2, 1fr);
	}
	.footer__column:first-child {
		grid-column: 1 / 3;
	}
}

/* For large devices */
@media screen and (min-width: 1024px) {
	:root {
		--h1-font-size: 4rem;
		--h2-font-size: 2.25rem;
		--h3-font-size: 1.5rem;
		--normal-font-size: 1.125rem;
	}
	.container {
		margin-left: auto;
		margin-right: auto;
	}

	.header__toggle {
		display: none;
	}

	.nav {
		display: block;
	}
	.nav__list {
		flex-direction: row;
		align-items: center;
		gap: var(--spacing-4);
		padding-top: 0;
	}

	.footer__container {
		grid-template-columns: 2fr 1fr 1fr 2fr;
	}
	.footer__column:first-child {
		grid-column: auto;
	}
}

/*=============== HERO SECTION ===============*/
.hero {
	position: relative;
	padding-top: var(--header-height);
	padding-bottom: var(--spacing-5);
	overflow: hidden; /* Важно для фоновых фигур */
}

.hero__container {
	padding-top: var(--spacing-4);
	display: grid;
	gap: var(--spacing-4);
	position: relative;
	z-index: 2;
}

.hero__content {
	text-align: center;
}

.hero__title {
	font-size: 1.5rem; /* Размер для мобильных */
	line-height: 1.2;
	margin-bottom: var(--spacing-2);
}

.hero__title span {
	/* Стили для анимированных букв */
	display: inline-block;
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.4s ease, transform 0.4s ease;
}

.hero__title span.visible {
	opacity: 1;
	transform: translateY(0);
}

.hero__description {
	font-size: var(--normal-font-size);
	color: var(--secondary-text-color);
	max-width: 600px;
	margin: 0 auto var(--spacing-3);
}

.hero__button {
	display: inline-block;
	background-color: var(--primary-color);
	color: var(--background-color);
	padding: 1rem 2rem;
	border-radius: 50px;
	font-family: var(--heading-font);
	font-weight: 700;
	transition: transform 0.3s, box-shadow 0.3s;
}

.hero__button:hover {
	transform: translateY(-3px);
	box-shadow: 0 6px 20px rgba(163, 255, 18, 0.25);
}

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

.hero__image {
	width: 100%;
	max-width: 500px;
	border-radius: 12px;
	border: 1px solid #222;
}

/* Анимированные фоновые фигуры */
.hero__background {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
}

.hero__shape {
	position: absolute;
	border-radius: 50%;
	background: radial-gradient(
		circle,
		rgba(163, 255, 18, 0.1) 0%,
		rgba(163, 255, 18, 0) 60%
	);
	animation: pulse 10s infinite ease-in-out;
}

.hero__shape--1 {
	width: 300px;
	height: 300px;
	top: 10%;
	left: -50px;
	animation-duration: 8s;
}

.hero__shape--2 {
	width: 400px;
	height: 400px;
	bottom: 5%;
	right: -100px;
	animation-duration: 12s;
	animation-delay: 2s;
}

.hero__shape--3 {
	width: 250px;
	height: 250px;
	top: 20%;
	right: 10%;
	animation-duration: 10s;
	animation-delay: 4s;
	display: none; /* Скрыто на мобильных */
}

@keyframes pulse {
	0% {
		transform: scale(0.9);
		opacity: 0.7;
	}
	50% {
		transform: scale(1.1);
		opacity: 1;
	}
	100% {
		transform: scale(0.9);
		opacity: 0.7;
	}
}

/*=============== MEDIA QUERIES (Hero) ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.hero__content {
		text-align: left;
	}

	.hero__description {
		margin-left: 0;
		margin-right: 0;
	}

	.hero__container {
		grid-template-columns: 1.2fr 1fr;
		align-items: center;
		padding-top: var(--spacing-5);
	}
	.hero__image-wrapper {
		order: 2;
	}
	.hero__content {
		order: 1;
	}
}

/* For large devices */
@media screen and (min-width: 1024px) {
	.hero {
		padding-top: calc(var(--header-height) + 2rem);
		padding-bottom: calc(var(--spacing-5) + 2rem);
	}
	.hero__title {
		font-size: 2rem;
	}
	.hero__container {
		gap: var(--spacing-5);
	}
	.hero__shape--3 {
		display: block; /* Показываем 3ю фигуру на больших экранах */
	}
}

/*=============== REUSABLE SECTION STYLES ===============*/
.section {
	padding-top: var(--spacing-5);
	padding-bottom: var(--spacing-5);
}

.section__header {
	text-align: center;
	margin-bottom: var(--spacing-4);
}

.section__title {
	font-size: var(--h2-font-size);
	margin-bottom: var(--spacing-1);
}

.section__subtitle {
	max-width: 500px;
	margin: 0 auto;
	color: var(--secondary-text-color);
}

/*=============== COURSES SECTION ===============*/
.courses__grid {
	display: grid;
	gap: var(--spacing-3);
}

.course-card {
	background-color: var(--container-color);
	padding: var(--spacing-3);
	border-radius: 12px;
	border: 1px solid #222;
	transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

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

.course-card__icon {
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: rgba(163, 255, 18, 0.1);
	border-radius: 8px;
	margin-bottom: var(--spacing-2);
}

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

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

.course-card__description {
	color: var(--secondary-text-color);
	font-size: var(--small-font-size);
	margin-bottom: var(--spacing-2);
	min-height: 80px; /* Для выравнивания высоты */
}

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

.course-card__tags li {
	background-color: #252525;
	color: var(--secondary-text-color);
	padding: 0.25rem 0.75rem;
	border-radius: 50px;
	font-size: 0.75rem;
	font-weight: 500;
}

/*=============== MEDIA QUERIES (Courses) ===============*/
/* For medium devices */
@media screen and (min-width: 576px) {
	.courses__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* For large devices */
@media screen and (min-width: 1024px) {
	.courses__grid {
		grid-template-columns: repeat(4, 1fr);
	}
	.section {
		padding-top: 6rem;
		padding-bottom: 6rem;
	}
	.section__title {
		font-size: 2.5rem;
	}
}

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

.process__container {
	position: relative;
	display: grid;
	gap: var(--spacing-4);
}

/* The timeline line on mobile */
.process__container::before {
	content: '';
	position: absolute;
	top: 0;
	left: 23px; /* Center of the icon */
	width: 2px;
	height: 100%;
	background-color: #2a2a2a;
}

.process__step {
	position: relative;
	display: grid;
	grid-template-columns: 50px 1fr;
	gap: var(--spacing-2);
}

.process__icon-wrapper {
	grid-column: 1 / 2;
	position: relative;
	width: 48px;
	height: 48px;
}

.process__icon {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--background-color);
	border: 2px solid #2a2a2a;
	border-radius: 50%;
	z-index: 2;
	position: relative;
	transition: border-color 0.3s;
}

.process__step:hover .process__icon {
	border-color: var(--primary-color);
}

.process__icon .lucide {
	width: 24px;
	color: var(--primary-color);
}

.process__content {
	grid-column: 2 / 3;
	padding-bottom: var(--spacing-2);
}

.process__step-number {
	font-family: var(--heading-font);
	font-size: var(--small-font-size);
	color: var(--secondary-text-color);
	margin-bottom: 0.25rem;
	display: block;
}

.process__step-title {
	font-size: 1.125rem;
	margin-bottom: 0.5rem;
}

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

/*=============== MEDIA QUERIES (Process) ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	/* The timeline line for desktop */
	.process__container::before {
		left: 50%;
		transform: translateX(-50%);
	}

	.process__step {
		grid-template-columns: 1fr 50px 1fr;
		gap: var(--spacing-3);
	}

	.process__icon-wrapper {
		grid-column: 2 / 3;
		grid-row: 1 / 2;
	}

	.process__content {
		grid-column: 3 / 4;
		grid-row: 1 / 2;
		padding-bottom: var(--spacing-3);
		text-align: left;
	}

	/* Alternating sides */
	.process__step:nth-child(even) {
		direction: rtl; /* Reverses the grid order */
	}

	.process__step:nth-child(even) .process__content {
		direction: ltr; /* Resets text direction */
		text-align: right;
	}
}

/*=============== MENTORS SECTION ===============*/
.mentors__grid {
	display: grid;
	gap: var(--spacing-3);
}

.mentor-card {
	background-color: var(--container-color);
	border-radius: 12px;
	padding: var(--spacing-3);
	text-align: center;
	border: 1px solid transparent;
	transition: background-color 0.3s, border-color 0.3s;
}

.mentor-card:hover {
	background-color: #1f1f1f;
	border-color: #2a2a2a;
}

.mentor-card__image-wrapper {
	width: 120px;
	height: 120px;
	margin: 0 auto var(--spacing-2);
	border-radius: 50%;
	overflow: hidden;
	border: 3px solid var(--primary-color);
}

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

.mentor-card__name {
	font-size: var(--h3-font-size);
	margin-bottom: 0.25rem;
}

.mentor-card__title {
	color: var(--secondary-text-color);
	font-size: var(--small-font-size);
	margin-bottom: var(--spacing-2);
}

.mentor-card__socials {
	display: flex;
	justify-content: center;
	gap: var(--spacing-2);
}

.mentor-card__social-link {
	color: var(--secondary-text-color);
	transition: color 0.3s, transform 0.3s;
}

.mentor-card__social-link:hover {
	color: var(--primary-color);
	transform: scale(1.2);
}

/*=============== MEDIA QUERIES (Mentors) ===============*/
@media screen and (min-width: 576px) {
	.mentors__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media screen and (min-width: 1024px) {
	.mentors__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

/*=============== REVIEWS SECTION ===============*/
.reviews {
	background-color: var(--container-color);
}

.reviews__swiper {
	padding-bottom: 4rem; /* Space for pagination */
}

.review-card {
	background-color: var(--background-color);
	padding: var(--spacing-3);
	border-radius: 12px;
	border: 1px solid #2a2a2a;
	height: 100%; /* Ensure all cards have same height in a row */
}

.review-card__text {
	font-size: var(--normal-font-size);
	margin-bottom: var(--spacing-3);
	font-style: italic;
	color: var(--secondary-text-color);
}

.review-card__author {
	display: flex;
	align-items: center;
	gap: var(--spacing-2);
}

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

.review-card__name {
	font-family: var(--heading-font);
	font-size: 1.1rem;
	font-weight: 500;
}

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

/* Swiper custom styles */
.reviews__swiper .swiper-pagination-bullet {
	background-color: #444;
	opacity: 1;
}

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

.reviews__swiper .swiper-button-next,
.reviews__swiper .swiper-button-prev {
	color: var(--primary-color);
	width: 44px;
	height: 44px;
	background-color: rgba(163, 255, 18, 0.1);
	border-radius: 50%;
	transition: background-color 0.3s;
}
.reviews__swiper .swiper-button-next:hover,
.reviews__swiper .swiper-button-prev:hover {
	background-color: rgba(163, 255, 18, 0.2);
}

.reviews__swiper .swiper-button-next::after,
.reviews__swiper .swiper-button-prev::after {
	font-size: 1.25rem;
	font-weight: 900;
}

/* Hide arrows on mobile */
@media screen and (max-width: 767px) {
	.reviews__swiper .swiper-button-next,
	.reviews__swiper .swiper-button-prev {
		display: none;
	}
}

/*=============== CONTACT SECTION ===============*/
.contact__container {
	max-width: 600px;
	margin: 0 auto;
}

.contact__form {
	display: grid;
	gap: var(--spacing-3);
}

.form__group {
	position: relative;
}

.form__input {
	width: 100%;
	padding: 1rem;
	border: 1px solid #333;
	background-color: var(--container-color);
	color: var(--text-color);
	border-radius: 8px;
	font-family: var(--body-font);
	font-size: var(--normal-font-size);
	outline: none;
	transition: border-color 0.3s;
}

.form__label {
	position: absolute;
	top: 1rem;
	left: 1rem;
	color: var(--secondary-text-color);
	pointer-events: none;
	transition: top 0.3s, font-size 0.3s, background-color 0.3s;
	padding: 0 0.25rem;
}

/* Input focus animation */
.form__input:focus {
	border-color: var(--primary-color);
}

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

/* Custom Checkbox */
.form__group--checkbox {
	display: flex;
	align-items: center;
}

.form__checkbox-input {
	display: none; /* Hide default checkbox */
}

.form__checkbox-label {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	cursor: pointer;
	font-size: var(--small-font-size);
	color: var(--secondary-text-color);
}

.form__checkbox-label a {
	color: var(--text-color);
	text-decoration: underline;
	transition: color 0.3s;
}
.form__checkbox-label a:hover {
	color: var(--primary-color);
}

.form__checkbox-icon-box {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	border: 2px solid #444;
	border-radius: 4px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: border-color 0.3s, background-color 0.3s;
}

.form__checkbox-icon-box .lucide {
	width: 16px;
	height: 16px;
	color: var(--background-color);
	opacity: 0;
	transform: scale(0.5);
	transition: opacity 0.3s, transform 0.3s;
}

.form__checkbox-input:checked + .form__checkbox-label .form__checkbox-icon-box {
	background-color: var(--primary-color);
	border-color: var(--primary-color);
}

.form__checkbox-input:checked
	+ .form__checkbox-label
	.form__checkbox-icon-box
	.lucide {
	opacity: 1;
	transform: scale(1);
}

.form__button {
	width: 100%;
	background-color: var(--primary-color);
	color: var(--background-color);
	padding: 1rem;
	border-radius: 8px;
	font-family: var(--heading-font);
	font-weight: 700;
	font-size: 1.125rem;
	border: none;
	cursor: pointer;
	transition: transform 0.3s, box-shadow 0.3s;
}
.form__button:hover {
	transform: translateY(-3px);
	box-shadow: 0 6px 20px rgba(163, 255, 18, 0.25);
}

.contact__success-message {
	text-align: center;
	font-weight: 500;
	color: var(--primary-color);
	margin-top: var(--spacing-2);
}

/*=============== COOKIE POPUP ===============*/
.cookie-popup {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	background-color: var(--container-color);
	border-top: 1px solid #2a2a2a;
	padding: var(--spacing-2);
	z-index: 200;
	transform: translateY(100%);
	transition: transform 0.5s ease-in-out;
}

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

.cookie-popup__container {
	max-width: 1140px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: var(--spacing-2);
}

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

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

.cookie-popup__button {
	width: 100%;
	background-color: var(--primary-color);
	color: var(--background-color);
	padding: 0.75rem;
	border: none;
	border-radius: 8px;
	font-family: var(--heading-font);
	font-weight: 500;
	cursor: pointer;
	transition: background-color 0.3s;
}

/*=============== MEDIA QUERIES (Cookie) ===============*/
@media screen and (min-width: 768px) {
	.cookie-popup__container {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
	}
	.cookie-popup__button {
		width: auto;
		padding: 0.75rem 1.5rem;
	}
}

/*=============== POLICY & TEXT PAGES ===============*/
.pages {
	padding-top: calc(var(--header-height) + var(--spacing-4));
	padding-bottom: var(--spacing-5);
}

.pages .container {
	max-width: 800px; /* Optimal width for reading text */
}

.pages h1,
.pages h2 {
	font-family: var(--heading-font);
	color: var(--text-color);
	margin-bottom: var(--spacing-2);
}

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: var(--spacing-3);
	border-bottom: 1px solid #2a2a2a;
	padding-bottom: var(--spacing-2);
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: var(--spacing-4);
}

.pages p {
	font-family: var(--body-font);
	color: var(--secondary-text-color);
	line-height: 1.7;
	margin-bottom: var(--spacing-2);
}

.pages ul {
	list-style-type: disc;
	padding-left: var(--spacing-3);
	margin-bottom: var(--spacing-2);
	color: var(--secondary-text-color);
}

.pages li {
	margin-bottom: var(--spacing-1);
}

.pages a {
	color: var(--primary-color);
	text-decoration: underline;
	transition: color 0.3s;
}

.pages a:hover {
	color: var(--text-color);
}

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