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

/* CSS Variables */
:root {
	--header-height: 4.5rem;

	/* Colors */
	--clr-bg: #0d0d0d;
	--clr-text: #f5f5f5;
	--clr-accent: #00f5a0;
	--clr-muted: #333333;
	--clr-white: #ffffff;

	/* Typography */
	--font-body: 'Inter', sans-serif;
	--font-heading: 'Space Grotesk', sans-serif;

	--fs-base: 16px;
	--fs-sm: 0.875rem;
	--fs-lg: 1.125rem;
	--fs-h1: 2.5rem;
	--fs-h2: 2rem;
	--fs-h3: 1.5rem;

	/* Spacing */
	--spacing-1: 0.25rem;
	--spacing-2: 0.5rem;
	--spacing-3: 1rem;
	--spacing-4: 1.5rem;
	--spacing-5: 2rem;
	--spacing-6: 3rem;

	/* Border Radius */
	--radius: 0.5rem;

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

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

html {
	scroll-behavior: smooth;
}

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

h1,
h2,
h3 {
	font-family: var(--font-heading);
	font-weight: 700;
	line-height: 1.2;
	margin-bottom: var(--spacing-3);
}

ul {
	list-style: none;
}

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

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

/* Reusable Classes */
.container {
	max-width: 1200px;
	margin: 0 auto;
	padding-left: var(--spacing-4);
	padding-right: var(--spacing-4);
}

/* ==================== HEADER ==================== */
.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background-color: rgba(13, 13, 13, 0.8);
	backdrop-filter: blur(10px);
	z-index: var(--z-header);
	border-bottom: 1px solid var(--clr-muted);
	transition: background-color 0.3s;
}

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

.header__logo {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-2);
	font-family: var(--font-heading);
	font-weight: 700;
	font-size: var(--fs-lg);
	color: var(--clr-text);
	transition: color 0.3s;
}

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

.header__logo-img {
	width: 32px;
	height: 32px;
}

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

/* ==================== NAVIGATION ==================== */
.nav__list {
	display: flex;
	align-items: center;
	gap: var(--spacing-5);
}

.nav__link {
	position: relative;
	padding: var(--spacing-1) 0;
	transition: color 0.3s;
}

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

.nav__link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background-color: var(--clr-accent);
	transform: scaleX(0);
	transform-origin: right;
	transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.nav__link:hover::after {
	transform: scaleX(1);
	transform-origin: left;
}

/* Mobile Menu Styles */
@media screen and (max-width: 768px) {
	.header__burger {
		display: block;
		z-index: var(--z-menu);
	}
	.nav {
		position: fixed;
		top: 0;
		right: -100%;
		width: 70%;
		height: 100vh;
		background-color: var(--clr-bg);
		border-left: 1px solid var(--clr-muted);
		padding: var(--spacing-6) var(--spacing-4);
		transition: right 0.4s ease-in-out;
	}
	.nav.is-active {
		right: 0;
	}
	.nav__list {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--spacing-4);
	}
	.nav__link {
		font-size: var(--fs-lg);
	}
}

/* ==================== FOOTER ==================== */
.footer {
	padding-top: var(--spacing-6);
	border-top: 1px solid var(--clr-muted);
}

.footer__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: var(--spacing-5);
	padding-bottom: var(--spacing-6);
}

.footer__logo {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-2);
	font-family: var(--font-heading);
	font-weight: 700;
	font-size: var(--fs-lg);
	margin-bottom: var(--spacing-3);
}

.footer__logo-img {
	width: 32px;
	height: 32px;
}

.footer__title {
	font-size: var(--fs-lg);
	font-weight: 500;
	color: var(--clr-text);
	margin-bottom: var(--spacing-3);
}

.footer__list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-2);
}

.footer__list--contacts {
	gap: var(--spacing-3);
}

.footer__list--contacts li {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-2);
}

.footer__icon {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	color: var(--clr-accent);
}

.footer__link {
	color: #a0a0a0;
	transition: color 0.3s;
	font-size: var(--fs-sm);
}

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

.footer__address {
	font-style: normal;
	color: #a0a0a0;
	font-size: var(--fs-sm);
}

.footer__bottom {
	padding: var(--spacing-4) 0;
	border-top: 1px solid var(--clr-muted);
	text-align: center;
}

.footer__copy {
	font-size: var(--fs-sm);
	color: #a0a0a0;
}

/* Responsive adjustments */
@media screen and (max-width: 1024px) {
	.container {
		margin-left: var(--spacing-3);
		margin-right: var(--spacing-3);
	}
}

@media screen and (max-width: 480px) {
	.container {
		margin-left: var(--spacing-2);
		margin-right: var(--spacing-2);
	}

	.footer__container {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.footer__logo,
	.footer__list--contacts li {
		justify-content: center;
	}

	.footer__list--contacts li {
		text-align: left;
	}
}

/* ==================== HERO ==================== */
.hero {
	position: relative;
	height: 100vh;
	min-height: 600px;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	overflow: hidden;
	padding-top: var(--header-height);
}

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

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

.hero__title {
	font-size: clamp(2.5rem, 6vw, 5rem); /* Адаптивный размер шрифта */
	margin-bottom: var(--spacing-4);
	font-weight: 700;
	letter-spacing: -2px;
}

.hero__subtitle {
	font-size: var(--fs-lg);
	max-width: 600px;
	margin-bottom: var(--spacing-5);
	color: #a0a0a0;
	line-height: 1.7;
}

.hero__button {
	display: inline-block;
	padding: var(--spacing-3) var(--spacing-6);
	background-color: var(--clr-accent);
	color: var(--clr-bg);
	font-family: var(--font-heading);
	font-weight: 500;
	border-radius: var(--radius);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero__button:hover {
	transform: translateY(-4px);
	box-shadow: 0 10px 20px rgba(0, 245, 160, 0.2);
}

@media screen and (max-width: 768px) {
	.hero__title {
		letter-spacing: -1px;
	}
	.hero__subtitle {
		font-size: var(--fs-base);
	}
}

/* ==================== REUSABLE SECTION STYLES ==================== */
.section {
	padding: var(--spacing-6) 0;
}

.section__title {
	font-size: var(--fs-h2);
	text-align: center;
	margin-bottom: var(--spacing-5);
	position: relative;
	display: block;
}

.section__title::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 3px;
	background-color: var(--clr-accent);
}

/* ==================== COURSES SECTION ==================== */
.courses {
	background-color: #101010; /* Чуть светлее основного фона для выделения */
}

.courses__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-5);
}

.course-card {
	background-color: var(--clr-bg);
	border: 1px solid var(--clr-muted);
	padding: var(--spacing-5);
	border-radius: var(--radius);
	text-align: center;
	transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.course-card:hover {
	transform: translateY(-8px);
	border-color: var(--clr-accent);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.course-card__icon {
	display: inline-flex;
	padding: var(--spacing-3);
	background-color: var(--clr-muted);
	border-radius: 50%;
	margin-bottom: var(--spacing-4);
}

.course-card__icon i {
	width: 32px;
	height: 32px;
	color: var(--clr-accent);
}

.course-card__title {
	font-size: var(--fs-lg);
	margin-bottom: var(--spacing-2);
}

.course-card__description {
	font-size: var(--fs-sm);
	color: #a0a0a0;
	line-height: 1.7;
}

@media screen and (max-width: 768px) {
	.section {
		padding: var(--spacing-5) 0;
	}
	.section__title {
		font-size: var(--fs-h2);
	}
}

/* ==================== PROCESS SECTION (TIMELINE) ==================== */
.timeline {
	position: relative;
	max-width: 800px;
	margin: 0 auto;
	padding: var(--spacing-5) 0;
}

/* The central line */
.timeline::after {
	content: '';
	position: absolute;
	width: 3px;
	background-color: var(--clr-muted);
	top: 0;
	bottom: 0;
	left: 50%;
	margin-left: -1.5px;
}

.timeline__item {
	padding: var(--spacing-3) var(--spacing-5);
	position: relative;
	background-color: inherit;
	width: 50%;
}

/* The circle on the timeline */
.timeline__item::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	right: -10px;
	background-color: var(--clr-bg);
	border: 3px solid var(--clr-accent);
	top: 25px;
	border-radius: 50%;
	z-index: 1;
}

/* Position items on the left */
.timeline__item:nth-child(odd) {
	left: 0;
	padding-right: 50px; /* Space from the line */
}

/* Position items on the right */
.timeline__item:nth-child(even) {
	left: 50%;
	padding-left: 50px; /* Space from the line */
}

/* Handle the circle for right-sided items */
.timeline__item:nth-child(even)::after {
	left: -10px;
}

.timeline__icon {
	position: absolute;
	top: 22px;
	width: 26px;
	height: 26px;
	color: var(--clr-accent);
	z-index: 2;
}

.timeline__item:nth-child(odd) .timeline__icon {
	right: 40px;
}

.timeline__item:nth-child(even) .timeline__icon {
	left: 40px;
}

.timeline__content {
	padding: var(--spacing-4);
	background-color: #1a1a1a;
	border: 1px solid var(--clr-muted);
	border-radius: var(--radius);
	position: relative;
}

.timeline__title {
	font-size: var(--fs-lg);
	margin-bottom: var(--spacing-2);
	color: var(--clr-accent);
}

.timeline__description {
	font-size: var(--fs-sm);
	color: #a0a0a0;
}

/* Responsive Timeline */
@media screen and (max-width: 768px) {
	/* Place the timeline to the left */
	.timeline::after {
		left: 20px;
	}

	/* Full-width items */
	.timeline__item {
		width: 100%;
		padding-left: 50px;
		padding-right: 0;
	}

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

	/* Place the circles on the timeline */
	.timeline__item::after {
		left: 10px;
	}

	.timeline__icon {
		/* left: 13px; */
	}
}

/* ==================== MENTORS SECTION ==================== */
.mentors {
	background-color: #101010;
}

.mentors__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--spacing-5);
}

.mentor-card {
	background-color: var(--clr-bg);
	border: 1px solid var(--clr-muted);
	border-radius: var(--radius);
	text-align: center;
	padding: var(--spacing-5) var(--spacing-4);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mentor-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.mentor-card__img-wrapper {
	width: 120px;
	height: 120px;
	border-radius: 50%;
	margin: 0 auto var(--spacing-4);
	border: 3px solid var(--clr-accent);
	overflow: hidden;
}

.mentor-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.mentor-card:hover .mentor-card__img {
	transform: scale(1.1);
}

.mentor-card__name {
	font-size: var(--fs-lg);
	margin-bottom: var(--spacing-1);
}

.mentor-card__title {
	font-size: var(--fs-sm);
	color: #a0a0a0;
	margin-bottom: var(--spacing-3);
	min-height: 40px; /* Для выравнивания карточек по высоте */
}

.mentor-card__social {
	display: inline-flex;
	color: #a0a0a0;
	transition: color 0.3s ease, transform 0.3s ease;
}

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

/* ==================== REVIEWS SECTION ==================== */
.reviews {
	position: relative;
	overflow: hidden;
}

.reviews__swiper {
	max-width: 800px;
	margin: 0 auto;
	padding: var(--spacing-4) 0 var(--spacing-6);
}

.review-card {
	background-color: #1a1a1a;
	border: 1px solid var(--clr-muted);
	border-radius: var(--radius);
	padding: var(--spacing-5);
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	min-height: 280px;
}

.review-card__text {
	font-size: var(--fs-base);
	line-height: 1.7;
	margin-bottom: var(--spacing-4);
	font-style: italic;
	color: #c0c0c0;
}

.review-card__author {
	display: flex;
	align-items: center;
	gap: var(--spacing-3);
	margin-top: auto;
}

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

.review-card__author-name {
	font-weight: 500;
	font-family: var(--font-heading);
	display: block;
}

.review-card__author-course {
	font-size: var(--fs-sm);
	color: #a0a0a0;
}

/* Swiper Customization */
.swiper-pagination-bullet {
	background-color: var(--clr-muted);
}

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

.swiper-button-next,
.swiper-button-prev {
	color: var(--clr-accent);
	transition: transform 0.3s;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
	transform: scale(1.1);
}

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

/* ==================== CONTACT SECTION ==================== */
.contact {
	background-color: #101010;
}

.contact__container {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: var(--spacing-6);
	align-items: center;
}

.contact__title {
	text-align: left;
	transform: none;
	left: 0;
}

.contact__title::after {
	left: 0;
	transform: none;
}

.contact__description {
	color: #a0a0a0;
	margin-top: var(--spacing-4);
	max-width: 450px;
}

/* Form Styles */
.contact__form-wrapper {
	background-color: var(--clr-bg);
	padding: var(--spacing-5);
	border-radius: var(--radius);
	border: 1px solid var(--clr-muted);
}

.form__group {
	position: relative;
	margin-bottom: var(--spacing-4);
}

.form__input {
	width: 100%;
	padding: var(--spacing-3) var(--spacing-3);
	border: 1px solid var(--clr-muted);
	background-color: #1a1a1a;
	color: var(--clr-text);
	border-radius: var(--radius);
	font-size: var(--fs-base);
	transition: border-color 0.3s;
}

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

.form__label {
	position: absolute;
	top: 50%;
	left: var(--spacing-3);
	transform: translateY(-50%);
	color: #a0a0a0;
	pointer-events: none;
	transition: all 0.3s ease;
	background-color: #1a1a1a;
	padding: 0 5px;
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
	top: 0;
	font-size: var(--fs-sm);
	color: var(--clr-accent);
}

/* Checkbox */
.form__group--checkbox {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-2);
}

.form__checkbox-input {
	appearance: none;
	width: 20px;
	height: 20px;
	border: 2px solid var(--clr-muted);
	border-radius: 4px;
	cursor: pointer;
	margin-top: 3px;
	flex-shrink: 0;
	position: relative;
	transition: border-color 0.3s, background-color 0.3s;
}

.form__checkbox-input:checked {
	background-color: var(--clr-accent);
	border-color: var(--clr-accent);
}

.form__checkbox-input:checked::after {
	content: '✔';
	position: absolute;
	color: var(--clr-bg);
	font-size: 14px;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.form__checkbox-label {
	font-size: var(--fs-sm);
	color: #a0a0a0;
}
.form__checkbox-label a {
	color: var(--clr-accent);
	text-decoration: underline;
}

.form__button {
	width: 100%;
	padding: var(--spacing-3);
	background-color: var(--clr-accent);
	color: var(--clr-bg);
	font-family: var(--font-heading);
	font-weight: 500;
	border-radius: var(--radius);
	border: none;
	cursor: pointer;
	font-size: var(--fs-base);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form__button:hover {
	transform: translateY(-4px);
	box-shadow: 0 10px 20px rgba(0, 245, 160, 0.2);
}

/* Success Message */
.contact__success-message {
	display: none; /* Initially hidden */
	text-align: center;
	padding: var(--spacing-5);
}
.contact__success-message i {
	color: var(--clr-accent);
	width: 60px;
	height: 60px;
	margin-bottom: var(--spacing-3);
}
.contact__success-message p {
	color: #a0a0a0;
}

/* Responsive */
@media screen and (max-width: 992px) {
	.contact__container {
		grid-template-columns: 1fr;
	}
	.contact__title {
		text-align: center;
	}
	.contact__title::after {
		left: 50%;
		transform: translateX(-50%);
	}
	.contact__content {
		text-align: center;
	}
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
	position: fixed;
	bottom: -100%; /* Initially hidden */
	left: 50%;
	transform: translateX(-50%);
	max-width: 90%;
	width: 600px;
	background-color: #1a1a1a;
	border: 1px solid var(--clr-muted);
	border-radius: var(--radius);
	padding: var(--spacing-4);
	margin-bottom: var(--spacing-4);
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--spacing-4);
	z-index: 200;
	transition: bottom 0.5s ease-in-out;
}

.cookie-popup.is-visible {
	bottom: 0;
}

.cookie-popup__text {
	font-size: var(--fs-sm);
	color: #a0a0a0;
}

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

.cookie-popup__button {
	background-color: var(--clr-accent);
	color: var(--clr-bg);
	border: none;
	padding: var(--spacing-2) var(--spacing-4);
	border-radius: var(--radius);
	cursor: pointer;
	font-family: var(--font-body);
	flex-shrink: 0;
	transition: opacity 0.3s;
}

.cookie-popup__button:hover {
	opacity: 0.9;
}

@media screen and (max-width: 768px) {
	.cookie-popup {
		flex-direction: column;
		text-align: center;
		gap: var(--spacing-3);
	}
}

/* ==================== LEGAL PAGES STYLES ==================== */
.pages {
	padding: calc(var(--header-height) + var(--spacing-6)) 0 var(--spacing-6);
}

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

.pages h1 {
	font-size: 1.5rem;
	color: var(--clr-accent);
	margin-bottom: var(--spacing-5);
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: var(--spacing-5);
	margin-bottom: var(--spacing-3);
}

.pages p {
	color: #a0a0a0;
	margin-bottom: var(--spacing-3);
	line-height: 1.8;
}

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

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

.pages ul {
	list-style: disc;
	padding-left: var(--spacing-4);
	margin-bottom: var(--spacing-3);
	color: #a0a0a0;
}

.pages li {
	margin-bottom: var(--spacing-2);
	padding-left: var(--spacing-2);
}

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