/*=============== GOOGLE FONTS ===============*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Poppins:wght@600;700&display=swap');

/*=============== CSS VARIABLES ===============*/
:root {
	/* Colors */
	--primary-color: #0d1b2a;
	--secondary-color: #1b263b;
	--accent-color: #36f1cd;
	--accent-color-hover: #2ec4b6;
	--text-color-light: #e0e1dd;
	--text-color-dark: #415a77;
	--background-light: #f8f9fa;
	--container-color: #0d1b2a;

	/* Fonts */
	--body-font: 'Inter', sans-serif;
	--title-font: 'Poppins', sans-serif;

	--h1-font-size: 2rem;
	--h2-font-size: 1.5rem;
	--h3-font-size: 1.25rem;
	--normal-font-size: 1rem;
	--small-font-size: 0.875rem;

	/* Font weight */
	--font-medium: 500;
	--font-semibold: 600;
	--font-bold: 700;

	/* z-index */
	--z-tooltip: 10;
	--z-fixed: 100;
}

/*=============== BASE ===============*/
* {
	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-light);
	color: var(--text-color-dark);
}

h1,
h2,
h3 {
	color: var(--text-color-light);
	font-family: var(--title-font);
	font-weight: var(--font-semibold);
}

ul {
	list-style: none;
}

a {
	text-decoration: none;
}

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

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
	max-width: 1120px;
	margin-left: 1.5rem;
	margin-right: 1.5rem;
}

.main {
	overflow: hidden; /* For animations */
}

/*=============== HEADER ===============*/
.header {
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	z-index: var(--z-fixed);
	background-color: var(--container-color);
	transition: background-color 0.4s, box-shadow 0.4s;
}

.header__nav {
	height: 4.5rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.header__logo {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--title-font);
	font-weight: var(--font-bold);
	font-size: 1.25rem;
	color: var(--text-color-light);
}

.header__logo svg path {
	stroke: var(--accent-color);
}

.header__toggle,
.header__close {
	font-size: 1.5rem;
	cursor: pointer;
	color: var(--text-color-light);
}

/* Navigation for mobile devices */
@media screen and (max-width: 767px) {
	.header__menu {
		position: fixed;
		top: 0;
		right: -100%;
		width: 100%;
		height: 100%;
		background-color: hsla(212, 48%, 12%, 0.9);
		backdrop-filter: blur(10px);
		-webkit-backdrop-filter: blur(10px);
		transition: right 0.4s;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
	}
}

.header__list {
	display: flex;
	flex-direction: column;
	row-gap: 2.5rem;
	text-align: center;
}

.header__link {
	color: var(--text-color-light);
	font-family: var(--title-font);
	font-weight: var(--font-semibold);
	font-size: var(--h2-font-size);
	transition: color 0.3s;
}

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

.header__close {
	position: absolute;
	top: 1rem;
	right: 1.5rem;
}

/* Show menu */
.header__menu--show {
	right: 0;
}

/* Add background to header when scrolling */
.header--scroll {
	background-color: var(--primary-color);
	box-shadow: 0 2px 8px hsla(0, 0%, 0%, 0.5);
}

/*=============== FOOTER ===============*/
.footer {
	background-color: var(--primary-color);
	color: var(--text-color-light);
	padding-top: 4rem;
}

.footer__container {
	display: grid;
	gap: 2.5rem;
	padding-bottom: 3rem;
}

.footer__logo {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--title-font);
	font-weight: var(--font-bold);
	font-size: 1.25rem;
	color: var(--text-color-light);
	margin-bottom: 1rem;
}

.footer__logo svg path {
	stroke: var(--accent-color);
}

.footer__description {
	font-size: var(--small-font-size);
	max-width: 300px;
}

.footer__title {
	font-size: var(--h3-font-size);
	margin-bottom: 1.5rem;
	color: var(--accent-color);
}

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

.footer__link {
	color: var(--text-color-light);
	transition: color 0.3s;
	font-size: var(--small-font-size);
}

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

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

.footer__contact-item {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
}

.footer__contact-item i {
	color: var(--accent-color);
	width: 16px; /* Lucide icon size */
}

.footer__contact-item span {
	font-size: var(--small-font-size);
}

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

.footer__copy {
	font-size: var(--small-font-size);
	color: var(--text-color-dark);
}

/*=============== BREAKPOINTS ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.header__toggle,
	.header__close {
		display: none;
	}

	.header__list {
		flex-direction: row;
		gap: 2.5rem;
	}

	.header__link {
		font-size: var(--normal-font-size);
		font-weight: var(--font-medium);
		font-family: var(--body-font);
	}

	.footer__container {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* For large devices */
@media screen and (min-width: 1024px) {
	.container {
		margin-left: auto;
		margin-right: auto;
	}

	.footer__container {
		grid-template-columns: 1fr 0.5fr 0.75fr 1fr;
	}
}

/*=============== REUSABLE CSS CLASSES (UPDATE) ===============*/
.section {
	padding: 6rem 0 2rem;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	background-color: var(--accent-color);
	color: var(--primary-color);
	padding: 1rem 1.75rem;
	border-radius: 0.5rem;
	font-family: var(--title-font);
	font-weight: var(--font-semibold);
	transition: background-color 0.3s, transform 0.3s;
}

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

/*=============== HERO ===============*/
.hero {
	background-color: var(--primary-color);
	min-height: 100vh;
	display: flex;
	align-items: center;
	padding-top: 5.5rem; /* Header height */
}

.hero__container {
	display: grid;
	gap: 4rem;
	align-items: center;
}

.hero__data {
	text-align: center;
}

.hero__title {
	font-size: var(--h1-font-size);
	margin-bottom: 1.5rem;
	line-height: 1.3;
}

.hero__description {
	color: var(--text-color-light);
	margin-bottom: 2.5rem;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.6;
}

.hero__img {
	width: 100%;
	margin: 0 auto;
	display: block;
	border-radius: 1rem;
}

/*=============== BREAKPOINTS ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.hero__container {
		grid-template-columns: 1fr 1fr;
	}

	.hero__data {
		text-align: left;
	}

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

/* For large devices */
@media screen and (min-width: 1024px) {
	:root {
		--h1-font-size: 2.5rem;
	}

	.section {
		padding: 8rem 0 2rem;
	}

	.hero {
		padding-top: 6rem;
	}
}

/*=============== REUSABLE CSS CLASSES (UPDATE) ===============*/
.section__header {
	text-align: center;
	margin-bottom: 3rem;
}

.section__title {
	font-size: var(--h2-font-size);
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

.section__subtitle {
	font-size: var(--normal-font-size);
	color: var(--text-color-dark);
	max-width: 600px;
	margin: 0 auto;
	line-height: 1.6;
}

/*=============== COURSES ===============*/
.courses {
	background-color: var(--background-light);
}

.courses__container {
	display: grid;
	gap: 1.5rem;
}

.course-card {
	background-color: #fff;
	padding: 2.5rem 2rem;
	border-radius: 1rem;
	border: 1px solid #e9ecef;
	text-align: center;
	transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 12px 24px hsla(212, 32%, 15%, 0.1);
}

.course-card__icon {
	margin-bottom: 1.5rem;
}

.course-card__icon i {
	width: 48px;
	height: 48px;
	color: var(--accent-color);
}

.course-card__title {
	font-size: var(--h3-font-size);
	color: var(--primary-color);
	margin-bottom: 0.75rem;
}

.course-card__description {
	font-size: var(--small-font-size);
	line-height: 1.7;
	margin-bottom: 2rem;
	color: var(--text-color-dark);
}

.course-card__link {
	font-size: var(--small-font-size);
	font-weight: var(--font-semibold);
	color: var(--accent-color);
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	transition: color 0.3s;
}

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

.course-card__link i {
	width: 16px;
	height: 16px;
	transition: transform 0.3s;
}

.course-card__link:hover i {
	transform: translateX(4px);
}

/*=============== BREAKPOINTS ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.courses__container {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* For large devices */
@media screen and (min-width: 1024px) {
	.courses__container {
		grid-template-columns: repeat(3, 1fr);
	}

	.section__title {
		font-size: 2rem;
	}
}

/*=============== REUSABLE CSS CLASSES (MODIFIER) ===============*/
.section__title--left {
	text-align: left;
	margin-bottom: 1.5rem;
}

/*=============== ABOUT ===============*/
.about {
	background-color: #fff;
}

.about__container {
	display: grid;
	gap: 3rem;
}

.about__img {
	border-radius: 1rem;
	width: 100%;
}

.about__description {
	color: var(--text-color-dark);
	line-height: 1.7;
	margin-bottom: 2.5rem;
}

.about__stats {
	display: grid;
	grid-template-columns: repeat(1, 1fr);
	gap: 1rem;
	text-align: center;
}

.about__stat-item {
	background-color: var(--background-light);
	padding: 1rem;
	border-radius: 0.5rem;
}

.about__stat-number {
	font-size: var(--h2-font-size);
	color: var(--accent-color);
	font-family: var(--title-font);
	margin-bottom: 0.25rem;
}

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

/*=============== BREAKPOINTS ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.about__container {
		grid-template-columns: 1fr 1fr;
		align-items: center;
	}

    .about__stats{
        grid-template-columns: repeat(3, 1fr);
    }
}

/* For large devices */
@media screen and (min-width: 1024px) {
	.about__container {
		gap: 5rem;
	}

	.section__title--left {
		margin-bottom: 2rem;
	}

	.about__description {
		margin-bottom: 3rem;
	}
}

/*=============== FEATURES ===============*/
.features {
	background-color: var(--background-light);
}

.features__container {
	display: grid;
	gap: 1.5rem;
	padding-top: 1rem;
}

.feature-item {
	background-color: #fff;
	padding: 2rem;
	border-radius: 1rem;
	border: 1px solid #e9ecef;
	text-align: center;
}

.feature-item__icon {
	margin-bottom: 1.5rem;
}

.feature-item__icon i {
	width: 40px;
	height: 40px;
	color: var(--accent-color);
}

.feature-item__title {
	font-size: 1.15rem;
	color: var(--primary-color);
	margin-bottom: 0.75rem;
}

.feature-item__description {
	font-size: var(--small-font-size);
	line-height: 1.6;
	color: var(--text-color-dark);
}

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

/* For large devices */
@media screen and (min-width: 1024px) {
	.feature-item {
		text-align: left;
		padding: 2.5rem;
	}
}

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

.reviews .section__title,
.reviews .section__subtitle {
	color: var(--text-color-light);
}

.reviews__container {
	padding-bottom: 3rem; /* Space for pagination */
}

.review-card {
	background-color: var(--primary-color);
	padding: 2rem;
	border-radius: 1rem;
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.review-card__text {
	color: var(--text-color-light);
	line-height: 1.7;
	margin-bottom: 1.5rem;
	font-size: var(--small-font-size);
}

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

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

.review-card__name {
	color: #fff;
	font-size: var(--normal-font-size);
}

.review-card__country {
	color: var(--text-color-dark);
	font-size: var(--small-font-size);
}

/* Swiper custom styles */
.swiper-pagination-bullet {
	background-color: var(--text-color-dark);
}

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

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

.contact__container {
	display: grid;
	gap: 3rem;
}

.contact__description {
	color: var(--text-color-dark);
	line-height: 1.7;
}

.contact__form-group {
	position: relative;
	margin-bottom: 2rem;
}

.contact__form-input {
	width: 100%;
	padding: 1rem;
	border: 1px solid #ced4da;
	border-radius: 0.5rem;
	outline: none;
	font-size: var(--normal-font-size);
	color: var(--primary-color);
	background: #fff;
	transition: border-color 0.3s;
}

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

.contact__form-input:focus {
	border-color: var(--accent-color);
}

.contact__form-input:focus + .contact__form-label,
.contact__form-input:not(:placeholder-shown) + .contact__form-label {
	top: -0.75rem;
	font-size: var(--small-font-size);
	color: var(--accent-color);
}

.contact__form-checkbox {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	margin-bottom: 2rem;
}

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

.contact__checkbox-label {
	font-size: var(--small-font-size);
	color: var(--text-color-dark);
}

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

.contact__checkbox-label a:hover {
	color: var(--accent-color-hover);
}

.contact__button {
	width: 100%;
}

.contact__success-message {
	display: none; /* Hidden by default */
	text-align: center;
	padding: 2rem;
	border: 2px dashed var(--accent-color);
	border-radius: 1rem;
}

.contact__success-message i {
	width: 48px;
	height: 48px;
	color: var(--accent-color);
	margin-bottom: 1rem;
}

.contact__success-message h3 {
	color: var(--primary-color);
	font-size: var(--h3-font-size);
	margin-bottom: 0.5rem;
}

.contact__success-message p {
	color: var(--text-color-dark);
}

/*=============== BREAKPOINTS ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.contact__container {
		grid-template-columns: 1fr 1fr;
		align-items: center;
	}
}

/*=============== COOKIE POP-UP ===============*/
.cookie-popup {
	position: fixed;
	bottom: -100%; /* Initially hidden */
	left: 0;
	width: 100%;
	background-color: var(--primary-color);
	box-shadow: 0 -2px 10px hsla(0, 0%, 0%, 0.2);
	padding: 1.5rem 0;
	z-index: var(--z-fixed);
	transition: bottom 0.4s;
}

.cookie-popup--show {
	bottom: 0;
}

.cookie-popup__content {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	gap: 1rem;
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

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

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

.cookie-popup__text a:hover {
	color: var(--accent-color-hover);
}

.cookie-popup__button {
	padding: 0.75rem 1.5rem;
}

/*=============== STYLES FOR POLICY PAGES ===============*/
.pages {
	padding: 6rem 0 4rem;
	background-color: #fff;
}

.pages h1,
.pages h2 {
	font-family: var(--title-font);
	color: var(--primary-color);
}

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: 2rem;
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: 2.5rem;
	margin-bottom: 1rem;
}

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

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

.pages li {
	margin-bottom: 0.75rem;
	color: var(--text-color-dark);
}

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

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

.pages strong {
	color: var(--primary-color);
}

/*=============== BREAKPOINTS ===============*/
/* For medium devices */
@media screen and (min-width: 768px) {
	.cookie-popup__content {
		flex-direction: row;
		justify-content: space-between;
		text-align: left;
	}
}