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

/* ==================== CSS VARIABLES ==================== */
:root {
	/* Colors */
	--background-color: #111827;
	--primary-color: #1f2937;
	--accent-color: #38bdf8;
	--accent-color-hover: #0ea5e9;
	--text-color: #f9fafb;
	--text-secondary-color: #9ca3af;
	--border-color: #374151;

	/* Typography */
	--font-family-headings: 'Poppins', sans-serif;
	--font-family-body: 'Roboto', sans-serif;
	--h1-font-size: 2.5rem;
	--h2-font-size: 2rem;
	--normal-font-size: 1rem;
	--small-font-size: 0.875rem;

	/* Other */
	--header-height: 5rem;
	--border-radius: 0.5rem;
	--transition: all 0.3s ease;
}

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

html {
	scroll-behavior: smooth;
}

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

ul {
	list-style: none;
}

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

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

/* ==================== REUSABLE CSS CLASSES ==================== */
.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%;
	background-color: rgba(17, 24, 39, 0.8);
	backdrop-filter: blur(10px);
	z-index: 100;
	border-bottom: 1px solid var(--border-color);
	height: var(--header-height);
}

.header__container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 100%;
}

.header__logo {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-family-headings);
	font-weight: 700;
	font-size: 1.5rem;
	color: var(--text-color);
	transition: var(--transition);
}

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

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

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

.header__nav-link {
	font-family: var(--font-family-body);
	font-weight: 500;
	color: var(--text-secondary-color);
	position: relative;
	transition: var(--transition);
}

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

.header__nav-link::after {
	content: '';
	position: absolute;
	bottom: -5px;
	left: 0;
	width: 100%;
	height: 2px;
	background-color: var(--accent-color);
	transform: scaleX(0);
	transform-origin: right;
	transition: transform 0.3s ease;
}

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

.header__nav-link--button {
	background-color: var(--accent-color);
	color: var(--background-color);
	padding: 0.6rem 1.5rem;
	border-radius: var(--border-radius);
	transition: var(--transition);
}

.header__nav-link--button:hover {
	background-color: var(--accent-color-hover);
	color: #fff;
}

.header__nav-link--button::after {
	display: none;
}

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

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

.footer__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 2.5rem;
	padding-bottom: 3rem;
}

.footer__logo {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-family-headings);
	font-weight: 700;
	font-size: 1.5rem;
	margin-bottom: 1rem;
}

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

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

.footer__title {
	font-family: var(--font-family-headings);
	font-size: 1.25rem;
	margin-bottom: 1rem;
}

.footer__list li {
	margin-bottom: 0.75rem;
}

.footer__link {
	color: var(--text-secondary-color);
	transition: var(--transition);
}

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

.footer__list--contact li {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	color: var(--text-secondary-color);
}

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

/* ==================== RESPONSIVE STYLES ==================== */
@media screen and (max-width: 768px) {
	.header__nav {
		position: fixed;
		top: var(--header-height);
		right: -100%;
		width: 100%;
		height: calc(100vh - var(--header-height));
		background-color: var(--background-color);
		transition: var(--transition);
		padding: 2rem;
	}

	.header__nav.nav--active {
		right: 0;
	}

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

	.header__nav-link {
		font-size: 1.25rem;
	}

	.header__burger {
		display: block;
	}

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

	.footer__list--contact li {
		justify-content: center;
	}
}

/* ==================== BUTTONS ==================== */
.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.9rem 2rem;
	border-radius: var(--border-radius);
	font-family: var(--font-family-headings);
	font-weight: 500;
	border: 2px solid transparent;
	cursor: pointer;
	transition: var(--transition);
}

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

.button--primary:hover {
	background-color: var(--accent-color-hover);
	transform: translateY(-3px);
}

/* ==================== HERO SECTION ==================== */
.hero {
	min-height: 100vh;
	display: flex;
	align-items: center;
	padding-top: var(--header-height);
	padding-bottom: 4rem;
}

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

.hero__title {
	font-family: var(--font-family-headings);
	font-size: clamp(1.5rem, 5vw, 2rem); /* Адаптивный размер шрифта */
	line-height: 1.2;
	margin-bottom: 1.5rem;
}

.hero__title--animated {
	color: var(--accent-color);
}

/* Стилизация курсора для Typed.js */
.typed-cursor {
	color: var(--accent-color);
	font-weight: 300;
}

.hero__description {
	font-size: 1.125rem;
	color: var(--text-secondary-color);
	margin-bottom: 2.5rem;
	max-width: 550px;
}

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

.hero__image {
	width: 100%;
	border-radius: var(--border-radius);
	animation: float 4s ease-in-out infinite;
}

/* Анимация для изображения */
@keyframes float {
	0% {
		transform: translateY(0px);
	}
	50% {
		transform: translateY(-20px);
	}
	100% {
		transform: translateY(0px);
	}
}

/* ==================== RESPONSIVE STYLES (Hero) ==================== */
@media screen and (max-width: 992px) {
	.hero__container {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.hero__content {
		order: 2; /* Текст будет под картинкой на мобильных */
	}

	.hero__visual {
		order: 1;
		margin-bottom: 2rem;
	}

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

@media screen and (max-width: 768px) {
	.hero {
		padding-top: calc(var(--header-height) + 2rem);
		min-height: auto;
	}
}

/* ==================== REUSABLE SECTION STYLES ==================== */
.section {
	padding-top: 5rem;
	padding-bottom: 5rem;
}

.section-header {
	text-align: center;
	margin-bottom: 3rem;
}

.section-header__title {
	font-family: var(--font-family-headings);
	font-size: clamp(1.8rem, 4vw, 2.5rem);
	margin-bottom: 1rem;
}

.section-header__subtitle {
	font-size: 1.125rem;
	color: var(--text-secondary-color);
	max-width: 700px;
	margin: 0 auto;
}

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

.courses__card {
	background-color: var(--primary-color);
	padding: 2.5rem 2rem;
	border-radius: var(--border-radius);
	border: 1px solid var(--border-color);
	text-align: center;
	transition: var(--transition);
}

.courses__card:hover {
	transform: translateY(-8px);
	border-color: var(--accent-color);
}

.courses__card-icon {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	width: 64px;
	height: 64px;
	background-color: rgba(56, 189, 248, 0.1); /* Полупрозрачный фон */
	border-radius: 50%;
	margin-bottom: 1.5rem;
}

.courses__card-icon i {
	width: 32px;
	height: 32px;
	color: var(--accent-color);
}

.courses__card-title {
	font-family: var(--font-family-headings);
	font-size: 1.5rem;
	margin-bottom: 1rem;
}

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

/* ==================== PRINCIPLES SECTION ==================== */
.principles {
	background-color: var(--primary-color);
}

.principles__container {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	align-items: center;
	gap: 4rem;
}

.principles__image {
	width: 100%;
	border-radius: var(--border-radius);
}

.principles__title {
	font-family: var(--font-family-headings);
	font-size: clamp(1.8rem, 4vw, 2.5rem);
	margin-bottom: 1rem;
}

.principles__description {
	font-size: 1.125rem;
	color: var(--text-secondary-color);
	margin-bottom: 2.5rem;
}

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

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

.principles__item-icon {
	flex-shrink: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 50px;
	height: 50px;
	background-color: var(--background-color);
	border-radius: var(--border-radius);
}

.principles__item-icon i {
	width: 24px;
	height: 24px;
	color: var(--accent-color);
}

.principles__item-text h3 {
	font-family: var(--font-family-headings);
	font-size: 1.25rem;
	margin-bottom: 0.5rem;
}

.principles__item-text p {
	color: var(--text-secondary-color);
}

/* ==================== RESPONSIVE STYLES (Principles) ==================== */
@media screen and (max-width: 992px) {
	.principles__container {
		grid-template-columns: 1fr;
	}

	.principles__content {
		order: 1; /* Текст будет первым */
	}

	.principles__visual {
		order: 2; /* Картинка будет второй */
	}
}

/* ==================== TECHNOLOGIES SECTION ==================== */
.tech__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 1.5rem;
	max-width: 900px;
	margin: 0 auto;
}

.tech__item {
	display: flex;
	justify-content: center;
	align-items: center;
	background-color: var(--primary-color);
	border: 1px solid var(--border-color);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	font-size: 1.125rem;
	font-weight: 500;
	color: var(--text-secondary-color);
	transition: var(--transition);
}

.tech__item:hover {
	transform: scale(1.05);
	border-color: var(--accent-color);
	color: var(--text-color);
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ==================== ABOUT SECTION ==================== */
.about {
	background-color: var(--primary-color);
}

.about__container {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	align-items: center;
	gap: 4rem;
}

.about__image {
	width: 100%;
	border-radius: var(--border-radius);
}

.about__title {
	font-family: var(--font-family-headings);
	font-size: clamp(1.8rem, 4vw, 2.5rem);
	margin-bottom: 1rem;
}

.about__description {
	font-size: 1.125rem;
	color: var(--text-secondary-color);
	margin-bottom: 2.5rem;
}

.about__stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 2rem;
}

.about__stat-item {
	display: flex;
	align-items: center;
	gap: 1rem;
	background-color: var(--background-color);
	padding: 1rem;
	border-radius: var(--border-radius);
}

.about__stat-item i {
	width: 24px;
	height: 24px;
	color: var(--accent-color);
}

.about__stat-text {
	display: flex;
	flex-direction: column;
}

.about__stat-number {
	font-family: var(--font-family-headings);
	font-size: 1.5rem;
	font-weight: 700;
}

.about__stat-label {
	font-size: var(--small-font-size);
	color: var(--text-secondary-color);
}

/* ==================== RESPONSIVE STYLES (About) ==================== */
@media screen and (max-width: 992px) {
	.about__container {
		grid-template-columns: 1fr;
	}
}

/* ==================== CONTACT SECTION ==================== */
.contact__container {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 4rem;
	background-color: var(--primary-color);
	padding: 3rem;
	border-radius: var(--border-radius);
}

.contact__title {
	font-family: var(--font-family-headings);
	font-size: clamp(1.8rem, 4vw, 2.5rem);
	margin-bottom: 1rem;
}

.contact__description {
	font-size: 1.125rem;
	color: var(--text-secondary-color);
	margin-bottom: 2.5rem;
}

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

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

.contact__details i {
	color: var(--accent-color);
}

.contact__details a,
.contact__details span {
	color: var(--text-secondary-color);
	font-size: 1.125rem;
}
.contact__details a:hover {
	color: var(--accent-color);
}

/* Form Styles */
.contact__form {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.form__group {
	display: flex;
	flex-direction: column;
}

.form__label {
	margin-bottom: 0.5rem;
	color: var(--text-secondary-color);
	font-size: var(--small-font-size);
}

.form__input {
	width: 100%;
	padding: 0.9rem 1rem;
	background-color: var(--background-color);
	border: 1px solid var(--border-color);
	border-radius: var(--border-radius);
	color: var(--text-color);
	font-size: var(--normal-font-size);
	transition: var(--transition);
}

.form__input:focus {
	outline: none;
	border-color: var(--accent-color);
	box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.form__group--checkbox {
	flex-direction: row;
	align-items: flex-start;
	gap: 0.75rem;
	margin-top: 0.5rem;
}

.form__checkbox-input {
	appearance: none;
	width: 20px;
	height: 20px;
	border: 2px solid var(--border-color);
	border-radius: 4px;
	cursor: pointer;
	position: relative;
	top: 2px;
	flex-shrink: 0;
}

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

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

.form__checkbox-label {
	color: var(--text-secondary-color);
	font-size: var(--small-font-size);
	cursor: pointer;
}

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

.button--full {
	width: 100%;
}

.form-message {
	margin-top: 1.5rem;
	padding: 1rem;
	border-radius: var(--border-radius);
	text-align: center;
	font-weight: 500;
	opacity: 0;
	transition: var(--transition);
	transform: translateY(10px);
}

.form-message.show {
	opacity: 1;
	transform: translateY(0);
}

.form-message.success {
	background-color: rgba(16, 185, 129, 0.2); /* Зеленый */
	color: #10b981;
}

/* ==================== RESPONSIVE STYLES (Contact) ==================== */
@media screen and (max-width: 992px) {
	.contact__container {
		grid-template-columns: 1fr;
	}
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
	position: fixed;
	bottom: 1.5rem;
	left: 1.5rem;
	right: 1.5rem;
	max-width: 1200px;
	margin: 0 auto;
	background-color: var(--primary-color);
	padding: 1.5rem 2rem;
	border-radius: var(--border-radius);
	border: 1px solid var(--border-color);
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
	z-index: 200;

	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 2rem;

	transform: translateY(200%);
	transition: transform 0.5s ease-in-out;
}

/* Класс для показа попапа */
.cookie-popup:not(.cookie-popup--hidden) {
	transform: translateY(0);
}

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

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

@media screen and (max-width: 768px) {
	.cookie-popup {
		flex-direction: column;
		text-align: center;
		gap: 1.5rem;
		bottom: 1rem;
		left: 1rem;
		right: 1rem;
	}
}

/* ==================== POLICY PAGES ==================== */
.pages {
	padding-top: calc(var(--header-height) + 4rem);
	padding-bottom: 4rem;
	max-width: 800px;
	margin: 0 auto;
}

.pages h1,
.pages h2 {
	font-family: var(--font-family-headings);
}

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: 2rem;
	color: var(--text-color);
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: 2.5rem;
	margin-bottom: 1.5rem;
	color: var(--text-color);
	border-bottom: 1px solid var(--border-color);
	padding-bottom: 0.5rem;
}

.pages p,
.pages li {
	color: var(--text-secondary-color);
	line-height: 1.8;
}

.pages p {
	margin-bottom: 1rem;
}

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

.pages a:hover {
	color: var(--accent-color-hover);
	text-decoration: none;
}

.pages ul {
	list-style: disc;
	padding-left: 1.5rem;
	margin-bottom: 1rem;
}

.pages li {
	margin-bottom: 0.75rem;
}

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