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

/* CSS VARIABLES */
:root {
	--color-primary-dark: #2c3e50;
	--color-primary-medium: #5a6c7d;
	--color-text-light: #34495e;
	--color-accent: #3498db;
	--color-white: #ffffff;
	--color-background: #ffffff;

	--font-primary: 'Inter', sans-serif;
	--font-secondary: 'Poppins', sans-serif;

	--header-height: 70px;
	--border-radius: 8px;
	--transition-speed: 0.3s ease;
}

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

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-primary);
	font-size: 16px;
	line-height: 1.6;
	color: var(--color-primary-dark);
	background-color: #f5f7fa;
}

ul {
	list-style: none;
}

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

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

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

.container {
	max-width: 1200px;
	margin-left: auto;
	margin-right: auto;
	padding-left: 15px;
	padding-right: 15px;
}

/* HEADER */
.header {
	background-color: var(--color-white);
	height: var(--header-height);
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 100;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-family: var(--font-secondary);
	font-weight: 700;
	font-size: 1.5rem;
	color: var(--color-primary-dark);
}

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

.nav__list {
	display: flex;
	gap: 30px;
}

.nav__link {
	font-weight: 500;
	position: relative;
	padding: 5px 0;
}

.nav__link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--color-accent);
	transition: width var(--transition-speed);
}

.nav__link:hover::after {
	width: 100%;
}

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

/* FOOTER */
.footer {
	background-color: #ecf0f1;
	color: var(--color-primary-dark);
	padding: 60px 0 20px;
}

.footer__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 40px;
	margin-bottom: 40px;
}

.footer__column--logo .logo {
	color: var(--color-primary-dark);
	margin-bottom: 15px;
}

.footer__tagline {
	font-size: 0.9rem;
	color: var(--color-primary-medium);
}

.footer__title {
	font-family: var(--font-secondary);
	font-size: 1.1rem;
	margin-bottom: 15px;
	color: var(--color-primary-dark);
}

.footer__list {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.footer__link {
	font-size: 0.95rem;
	color: var(--color-primary-medium);
}

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

.footer__list--contacts li {
	display: flex;
	align-items: flex-start;
	gap: 10px;
}

.footer__icon {
	flex-shrink: 0;
	width: 18px;
	height: 18px;
	margin-top: 3px;
}

.footer__bottom {
	text-align: center;
	padding-top: 20px;
	border-top: 1px solid var(--color-primary-medium);
	font-size: 0.85rem;
	color: var(--color-primary-medium);
}

/* RESPONSIVE STYLES (Mobile-first) */
@media (max-width: 768px) {
	.nav {
		position: fixed;
		top: var(--header-height);
		left: -100%;
		width: 100%;
		height: calc(100vh - var(--header-height));
		background-color: var(--color-white);
		flex-direction: column;
		justify-content: center;
		align-items: center;
		transition: left var(--transition-speed);
	}

	.nav.nav--active {
		left: 0;
	}

	.nav__list {
		flex-direction: column;
		text-align: center;
		gap: 40px;
	}

	.nav__link {
		font-size: 1.5rem;
	}

	.header__burger {
		display: block;
	}
}

/* BUTTONS */
.btn {
	display: inline-block;
	padding: 12px 28px;
	font-family: var(--font-secondary);
	font-weight: 600;
	border-radius: var(--border-radius);
	text-align: center;
	transition: all var(--transition-speed);
	cursor: pointer;
	border: 2px solid transparent;
}

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

.btn--primary:hover {
	background-color: transparent;
	border-color: var(--color-accent);
	color: var(--color-accent);
}

.btn--secondary {
	background-color: transparent;
	border-color: var(--color-primary-medium);
	color: var(--color-primary-dark);
}

.btn--secondary:hover {
	background-color: var(--color-primary-medium);
	color: var(--color-white);
}

/* HERO SECTION */
.main {
	padding-top: var(--header-height); /* Offset for fixed header */
}

.hero {
	position: relative;
	display: flex;
	align-items: center;
	height: calc(100vh - var(--header-height));
	min-height: 600px;
	background: linear-gradient(135deg, #e8f4f8 0%, #d1e7f0 100%);
	color: var(--color-primary-dark);
	overflow: hidden;
}

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

#hero-canvas {
	display: block;
	width: 100%;
	height: 100%;
}

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

.hero__content {
	max-width: 1000px;
}

.hero__title {
	font-size: 3rem;
	line-height: 1.2;
	margin-bottom: 20px;
	color: var(--color-primary-dark);
}

.hero__subtitle {
	font-size: 1.1rem;
	margin-bottom: 30px;
	color: var(--color-primary-medium);
	max-width: 500px;
}

.hero__actions {
	display: flex;
	gap: 15px;
}

/* RESPONSIVE STYLES for HERO */

/* For tablets and smaller devices */
@media (max-width: 768px) {
	.hero {
		text-align: center;
	}
	.hero__content {
		margin: 0 auto;
	}
	.hero__title {
		font-size: 2.5rem;
	}
	.hero__subtitle {
		font-size: 1rem;
	}
	.hero__actions {
		justify-content: center;
	}
}

/* For mobile phones */
@media (max-width: 480px) {
	.hero__title {
		font-size: 2rem;
	}
	.hero__actions {
		flex-direction: column;
		align-items: center;
	}
	.btn {
		width: 100%;
		max-width: 300px;
	}
}

/* SECTION HEADER (Reusable) */
.section-header {
	text-align: center;
	max-width: 700px;
	margin: 0 auto 50px;
}

.section-header__title {
	font-size: 2.5rem;
	color: var(--color-primary-dark);
	margin-bottom: 15px;
}

.section-header__subtitle {
	font-size: 1.1rem;
	color: var(--color-primary-medium);
}

/* COURSES SECTION */
.courses {
	padding: 80px 0;
	background-color: var(--color-white);
}

.courses__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 30px;
}

.course-card {
	background-color: var(--color-background);
	border: 1px solid #e0e1dd;
	border-radius: var(--border-radius);
	padding: 30px;
	display: flex;
	flex-direction: column;
	transition: transform var(--transition-speed),
		box-shadow var(--transition-speed);
}

.course-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.07);
}

.course-card__icon {
	width: 50px;
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--color-accent);
	color: var(--color-primary-dark);
	border-radius: 50%;
	margin-bottom: 20px;
}

.course-card__icon i {
	width: 28px;
	height: 28px;
}

.course-card__title {
	font-size: 1.5rem;
	margin-bottom: 10px;
	color: var(--color-primary-dark);
}

.course-card__description {
	color: var(--color-primary-medium);
	margin-bottom: 20px;
	flex-grow: 1; /* Pushes the link to the bottom */
}

.course-card__link {
	font-family: var(--font-secondary);
	font-weight: 600;
	color: var(--color-accent);
	display: inline-flex;
	align-items: center;
	gap: 8px;
}

.course-card__link i {
	width: 18px;
	height: 18px;
	transition: transform var(--transition-speed);
}

.course-card__link:hover i {
	transform: translateX(5px);
}

/* RESPONSIVE STYLES for COURSES */
@media (max-width: 992px) {
	.courses__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 768px) {
	.section-header__title {
		font-size: 2rem;
	}
}

@media (max-width: 576px) {
	.courses__grid {
		grid-template-columns: 1fr;
	}
}

/* ABOUT US SECTION */
.about {
	padding: 80px 0;
	background-color: var(--color-background);
}

.about__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	gap: 60px;
}

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

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

/* Re-using section-header, so we only need to style specific elements */
.about__text {
	margin-bottom: 30px;
	line-height: 1.7;
	color: var(--color-primary-medium);
}

.about__features {
	list-style: none;
	padding: 0;
	margin-bottom: 30px;
}

.about__feature-item {
	display: flex;
	align-items: center;
	gap: 15px;
	margin-bottom: 15px;
	color: var(--color-primary-dark);
}

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

/* RESPONSIVE STYLES for ABOUT */
@media (max-width: 992px) {
	.about__grid {
		grid-template-columns: 1fr;
	}
}

/* BENEFITS SECTION */
.benefits {
	padding: 80px 0;
	background-color: var(--color-white); /* Contrasting background */
}

.benefits__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 40px;
	margin-top: 60px;
}

.benefit-item {
	text-align: center;
}

.benefit-item__icon {
	width: 60px;
	height: 60px;
	margin: 0 auto 25px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background-color: #eaf8ff; /* Light blue background */
	color: var(--color-accent);
}

.benefit-item__icon i {
	width: 32px;
	height: 32px;
}

.benefit-item__title {
	font-size: 1.5rem;
	margin-bottom: 10px;
	color: var(--color-primary-dark);
}

.benefit-item__text {
	color: var(--color-primary-medium);
	line-height: 1.7;
}

/* RESPONSIVE STYLES for BENEFITS */
@media (max-width: 992px) {
	.benefits__grid {
		grid-template-columns: 1fr;
		gap: 50px;
	}

	.benefit-item {
		max-width: 450px;
		margin: 0 auto;
	}
}

/* REVIEWS SECTION */
.reviews {
	padding: 80px 0;
	background-color: var(--color-background);
}

.reviews__slider {
	padding: 20px 0 60px; /* Extra padding for pagination and box-shadow */
}

.review-card {
	background: var(--color-white);
	padding: 30px;
	border-radius: var(--border-radius);
	border: 1px solid #e0e1dd;
	height: 100%;
	display: flex;
	flex-direction: column;
}

.review-card__rating {
	color: #ffc107; /* Gold color for stars */
	font-size: 1.2rem;
	margin-bottom: 15px;
}

.review-card__text {
	color: var(--color-primary-medium);
	font-style: italic;
	line-height: 1.7;
	margin-bottom: 20px;
	flex-grow: 1;
}

.review-card__author {
	border-top: 1px solid #e0e1dd;
	padding-top: 20px;
}

.review-card__name {
	margin: 0;
	font-size: 1.1rem;
	color: var(--color-primary-dark);
}

.review-card__course {
	font-size: 0.9rem;
	color: var(--color-primary-medium);
}

/* SWIPER CUSTOMIZATION */
.swiper-button-next,
.swiper-button-prev {
	color: var(--color-accent);
	top: 50%;
	transform: translateY(-70%); /* Adjust vertical alignment */
}

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

/* CONTACT SECTION */
.contact {
	padding: 80px 0;
	background: linear-gradient(135deg, #e8f4f8 0%, #d1e7f0 100%);
	color: var(--color-primary-dark);
}

.contact__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	align-items: center;
}

.contact__title {
	font-family: var(--font-secondary);
	font-size: 2.5rem;
	color: var(--color-primary-dark);
	margin-bottom: 20px;
}

.contact__text {
	line-height: 1.7;
	max-width: 450px;
}

/* FORM STYLES */
.form-group {
	margin-bottom: 20px;
}

.form-label {
	display: block;
	margin-bottom: 8px;
	font-size: 0.9rem;
	font-weight: 500;
}

.form-input {
	width: 100%;
	padding: 12px 15px;
	background-color: var(--color-white);
	border: 1px solid #bdc3c7;
	border-radius: var(--border-radius);
	color: var(--color-primary-dark);
	font-family: var(--font-primary);
	font-size: 1rem;
	transition: border-color var(--transition-speed);
}

.form-input::placeholder {
	color: #95a5a6;
}

.form-input:focus {
	outline: none;
	border-color: var(--color-accent);
}

.form-group--checkbox {
	display: flex;
	align-items: flex-start;
	gap: 10px;
}

.form-checkbox {
	appearance: none;
	width: 20px;
	height: 20px;
	border: 2px solid #bdc3c7;
	border-radius: 4px;
	margin-top: 2px;
	cursor: pointer;
	position: relative;
	flex-shrink: 0;
	background-color: var(--color-white);
}

.form-checkbox:checked {
	background-color: var(--color-accent);
	border-color: var(--color-accent);
}

.form-checkbox:checked::after {
	content: '✔';
	position: absolute;
	color: var(--color-primary-dark);
	font-size: 14px;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.form-checkbox-label {
	font-size: 0.9rem;
	color: var(--color-primary-dark);
}

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

.contact-form .btn {
	width: 100%;
}

.success-message {
	display: none; /* Initially hidden */
	padding: 20px;
	margin-top: 20px;
	border: 1px solid #33a38e;
	background-color: #1a5347;
	color: #a4e0d3;
	border-radius: var(--border-radius);
	text-align: center;
	align-items: center;
	gap: 10px;
}
.success-message.visible {
	display: flex; /* Show when needed */
}

/* RESPONSIVE STYLES for CONTACT */
@media (max-width: 992px) {
	.contact__grid {
		grid-template-columns: 1fr;
	}
	.contact__info {
		text-align: center;
	}
	.contact__text {
		margin: 0 auto 30px;
	}
}

/* COOKIE POP-UP */
.cookie-popup {
	position: fixed;
	bottom: 20px;
	left: 20px;
	right: 20px;
	max-width: 450px;
	background-color: var(--color-white);
	color: var(--color-primary-dark);
	padding: 20px;
	border-radius: var(--border-radius);
	box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
	border: 1px solid #e0e0e0;
	z-index: 200;
	display: none; /* Initially hidden, shown by JS */
	transform: translateY(20px);
	opacity: 0;
	transition: transform 0.5s ease, opacity 0.5s ease;
}

.cookie-popup.visible {
	display: block;
	transform: translateY(0);
	opacity: 1;
}

.cookie-popup__content {
	display: flex;
	align-items: center;
	gap: 20px;
}

.cookie-popup__text {
	font-size: 0.9rem;
	line-height: 1.5;
}

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

.cookie-popup .btn {
	padding: 8px 20px;
	flex-shrink: 0;
}

@media (max-width: 480px) {
	.cookie-popup__content {
		flex-direction: column;
		align-items: stretch;
		text-align: center;
	}
}

/* POLICY & TEXT PAGES */
.pages {
	padding: 120px 0 80px; /* 120px top padding = header height + extra space */
	background-color: var(--color-white);
	min-height: 100vh;
}

.pages .container {
	max-width: 800px;
}

.pages h1,
.pages h2,
.pages h3,
.pages p,
.pages ul,
.pages li {
	color: var(--color-primary-dark);
}

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: 30px;
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: 40px;
	margin-bottom: 20px;
}

.pages p {
	font-size: 1.1rem;
	line-height: 1.8;
	margin-bottom: 20px;
	color: var(--color-primary-medium);
}

.pages ul {
	list-style: disc;
	padding-left: 25px;
	margin-bottom: 20px;
}

.pages li {
	font-size: 1.1rem;
	line-height: 1.8;
	margin-bottom: 10px;
	color: var(--color-primary-medium);
}

.pages a {
	color: var(--color-accent);
	font-weight: 500;
	text-decoration: underline;
}

.pages a:hover {
	text-decoration: none;
}