/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Syne:wght@700;800&display=swap');

/* --- CSS Variables --- */
:root {
	--color-background: #111317;
	--color-background-light: #1a1d22;
	--color-primary-text: #eaeaea;
	--color-secondary-text: #a0a0a0;
	--color-accent: #00f5d4;
	--color-accent-hover: #00e0c4;

	--font-body: 'Inter', sans-serif;
	--font-heading: 'Syne', sans-serif;

	--header-height: 80px;
}

/* --- Global Styles & Reset --- */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-body);
	background-color: var(--color-background);
	color: var(--color-primary-text);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--font-heading);
	color: var(--color-primary-text);
	line-height: 1.2;
}

a {
	color: var(--color-accent);
	text-decoration: none;
	transition: color 0.3s ease;
}

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

ul {
	list-style: none;
}

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

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* --- Header --- */
.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: var(--header-height);
	background-color: rgba(17, 19, 23, 0.8);
	backdrop-filter: blur(10px);
	z-index: 100;
	display: flex;
	align-items: center;
}

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

.logo {
	display: flex;
	align-items: center;
	gap: 12px;
	font-family: var(--font-heading);
	font-weight: 700;
	font-size: 24px;
	color: var(--color-primary-text);
}
.logo:hover {
	color: var(--color-primary-text);
}

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

.nav__link {
	color: var(--color-secondary-text);
	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 0.3s ease;
}

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

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

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

/* --- Footer --- */
.footer {
	padding: 60px 0;
	background-color: var(--color-background-light);
	border-top: 1px solid #2a2d32;
}

.footer__container {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 40px;
}

.footer__column:first-child {
	grid-column: span 1;
}

.footer__logo {
	margin-bottom: 20px;
}

.footer__copy {
	color: var(--color-secondary-text);
	font-size: 14px;
}

.footer__title {
	font-size: 18px;
	margin-bottom: 20px;
	font-weight: 700;
}

.footer__list {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.footer__link {
	color: var(--color-secondary-text);
	font-size: 15px;
}
.footer__link:hover {
	color: var(--color-accent);
}

.footer__list--contacts {
	gap: 16px;
}

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

.footer__icon {
	flex-shrink: 0;
	width: 18px;
	height: 18px;
	margin-top: 3px;
	color: var(--color-secondary-text);
}

.footer__address {
	color: var(--color-secondary-text);
	font-size: 15px;
}

/* --- Mobile-first adaptivity --- */
@media (max-width: 992px) {
	.footer__container {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 768px) {
	.header__nav {
		position: fixed;
		top: 0;
		left: -100%;
		width: 80%;
		max-width: 320px;
		height: 100vh;
		background-color: var(--color-background-light);
		padding: 100px 40px;
		transition: left 0.4s ease;
		z-index: 99;
	}

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

	body.no-scroll {
		overflow: hidden;
	}

	.nav__list {
		flex-direction: column;
		align-items: flex-start;
		gap: 25px;
	}

	.nav__link {
		font-size: 20px;
		color: var(--color-primary-text);
	}

	.header__burger {
		display: block;
		z-index: 101;
	}
}

@media (max-width: 576px) {
	.footer__container {
		grid-template-columns: 1fr;
		text-align: center;
	}
	.footer__column {
		display: flex;
		flex-direction: column;
		align-items: center;
	}
	.footer__list--contacts li {
		text-align: left;
		align-items: center;
	}
	.footer__address {
		max-width: 250px;
	}
}

/* --- Button --- */
.button {
	display: inline-block;
	padding: 14px 32px;
	font-family: var(--font-heading);
	font-size: 16px;
	font-weight: 700;
	color: var(--color-background);
	background-color: var(--color-accent);
	border: 2px solid var(--color-accent);
	border-radius: 8px;
	text-align: center;
	cursor: pointer;
	transition: all 0.3s ease;
}

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

/* --- Hero Section --- */
.hero {
	padding-top: var(--header-height);
	min-height: 100vh;
	display: flex;
	align-items: center;
	overflow: hidden;
}

.hero__container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 40px;
}

.hero__content {
	max-width: 600px;
}

.hero__title {
	font-size: 56px;
	font-weight: 800;
	margin-bottom: 20px;
}

.hero__title--animated {
	color: var(--color-accent);
	position: relative;
	white-space: nowrap;
}

/* Blinking cursor for typewriter effect */
.hero__title--animated::after {
	content: '|';
	position: absolute;
	right: -10px;
	top: 0;
	color: var(--color-accent);
	animation: blink 0.7s infinite;
}

@keyframes blink {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0;
	}
}

.hero__subtitle {
	font-size: 18px;
	color: var(--color-secondary-text);
	margin-bottom: 40px;
	max-width: 500px;
}

.hero__visual {
	flex-shrink: 0;
	width: 450px;
	height: 450px;
}

.hero__visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 50%;
	border: 1px solid var(--color-background-light);
}

/* --- Hero Section Responsive --- */
@media (max-width: 992px) {
	.hero {
		text-align: center;
		padding-top: 120px;
		padding-bottom: 60px;
		min-height: auto;
	}
	.hero__container {
		flex-direction: column;
		gap: 60px;
	}
	.hero__content {
		max-width: 100%;
	}
	.hero__title {
		font-size: 48px;
	}
	.hero__subtitle {
		margin-left: auto;
		margin-right: auto;
	}
	.hero__visual {
		width: 350px;
		height: 350px;
	}
}

@media (max-width: 576px) {
	.hero__title {
		font-size: 36px;
		line-height: 1.3;
	}
	.hero__subtitle {
		font-size: 16px;
	}
	.hero__visual {
		width: 280px;
		height: 280px;
	}
}

/* --- General Section Styles --- */
.section {
	padding: 100px 0;
}

.section__header {
	text-align: center;
	max-width: 700px;
	margin: 0 auto 60px;
}

.section__title {
	font-size: 42px;
	margin-bottom: 16px;
}

.section__subtitle {
	font-size: 18px;
	color: var(--color-secondary-text);
}

/* --- Creativity Section (Tabs) --- */
.tabs__nav {
	display: flex;
	justify-content: center;
	gap: 20px;
	margin-bottom: 40px;
	border-bottom: 1px solid var(--color-background-light);
}

.tabs__button {
	padding: 16px 30px;
	font-family: var(--font-heading);
	font-size: 18px;
	font-weight: 700;
	color: var(--color-secondary-text);
	background-color: transparent;
	border: none;
	border-bottom: 3px solid transparent;
	cursor: pointer;
	transition: all 0.3s ease;
	transform: translateY(1px);
}

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

.tabs__button--active {
	color: var(--color-accent);
	border-bottom-color: var(--color-accent);
}

.tabs__panel {
	display: none;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	gap: 60px;
	animation: fadeIn 0.6s ease;
}

.tabs__panel--active {
	display: grid;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.tabs__panel-title {
	font-size: 32px;
	margin-bottom: 16px;
}

.tabs__panel-description {
	color: var(--color-secondary-text);
	margin-bottom: 30px;
	max-width: 500px;
}

.tabs__panel-list {
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.tabs__panel-list li {
	display: flex;
	align-items: center;
	gap: 12px;
	font-weight: 500;
}

.tabs__panel-list i {
	color: var(--color-accent);
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}

.tabs__panel-visual img {
	width: 100%;
	height: auto;
	border-radius: 12px;
}

/* --- Creativity Section Responsive --- */
@media (max-width: 992px) {
	.section {
		padding: 80px 0;
	}
	.section__title {
		font-size: 36px;
	}
}

@media (max-width: 768px) {
	.tabs__panel {
		grid-template-columns: 1fr;
		gap: 40px;
	}
	.tabs__panel-visual {
		order: -1; /* Image will be on top */
	}
	.tabs__nav {
		gap: 10px;
	}
	.tabs__button {
		padding: 12px 15px;
		font-size: 16px;
	}
}

/* --- Productivity Section --- */
.productivity {
	background-color: var(--color-background-light);
}

.productivity__layout {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	align-items: center;
	gap: 80px;
}

.productivity__visual img {
	width: 100%;
	border-radius: 12px;
}

.accordion__item {
	border-bottom: 1px solid #2a2d32;
}
.accordion__item:first-child {
	border-top: 1px solid #2a2d32;
}

.accordion__header {
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 24px 0;
	background: none;
	border: none;
	cursor: pointer;
	text-align: left;
}

.accordion__title {
	font-size: 20px;
	font-family: var(--font-body);
	font-weight: 500;
	color: var(--color-primary-text);
	transition: color 0.3s ease;
}

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

.accordion__icon {
	color: var(--color-secondary-text);
	transition: transform 0.4s ease;
	flex-shrink: 0;
	margin-left: 20px;
}

.accordion__content {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.4s ease, padding-bottom 0.4s ease;
}

.accordion__text {
	color: var(--color-secondary-text);
	max-width: 90%;
	padding-bottom: 0;
}

/* Active state for Accordion */
.accordion__item--active .accordion__content {
	/* Set a max-height large enough for content */
	max-height: 200px;
	padding-bottom: 24px;
}

.accordion__item--active .accordion__icon {
	transform: rotate(45deg);
	color: var(--color-accent);
}

.accordion__item--active .accordion__title {
	color: var(--color-accent);
}

/* --- Productivity Section Responsive --- */
@media (max-width: 992px) {
	.productivity__layout {
		grid-template-columns: 1fr;
		gap: 60px;
	}
	.productivity__visual {
		order: -1;
		max-width: 500px;
		margin: 0 auto;
	}
}

@media (max-width: 576px) {
	.accordion__title {
		font-size: 18px;
	}
}
/* --- Lifestyle Section --- */
.lifestyle__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 30px;
}

.card {
	background-color: var(--color-background-light);
	padding: 40px;
	border-radius: 12px;
	border: 1px solid transparent;
	transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.card__icon {
	width: 60px;
	height: 60px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background-color: rgba(0, 245, 212, 0.1);
	margin-bottom: 24px;
}

.card__icon i {
	width: 28px;
	height: 28px;
	color: var(--color-accent);
}

.card__title {
	font-size: 22px;
	font-family: var(--font-heading);
	margin-bottom: 12px;
}

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

/* --- Lifestyle Section Responsive --- */
@media (max-width: 768px) {
	.card {
		padding: 30px;
	}
}

/* --- Learning Section --- */
.learning {
	background-color: var(--color-background-light);
}

.learning__layout {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	align-items: center;
	gap: 60px;
}

.learning__visual img {
	width: 100%;
	border-radius: 12px;
}

.learning__content {
	display: flex;
	flex-direction: column;
	gap: 30px;
}

.learning__item {
	display: flex;
	align-items: flex-start;
	gap: 24px;
	padding: 24px;
	background-color: var(--color-background);
	border-radius: 12px;
}

.learning__item-number {
	font-family: var(--font-heading);
	font-size: 24px;
	font-weight: 700;
	color: var(--color-accent);
	flex-shrink: 0;
}

.learning__item-title {
	font-family: var(--font-heading);
	font-size: 20px;
	margin-bottom: 8px;
}

.learning__item-description {
	color: var(--color-secondary-text);
	font-size: 15px;
}

/* --- Learning Section Responsive --- */
@media (max-width: 992px) {
	.learning__layout {
		gap: 40px;
	}
}

@media (max-width: 768px) {
	.learning__layout {
		grid-template-columns: 1fr;
	}
}

/* --- Contact Section --- */
.contact__layout {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 80px;
	background-color: var(--color-background-light);
	padding: 60px;
	border-radius: 16px;
}

.contact__form {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.form-group {
	display: flex;
	flex-direction: column;
}

.form-label {
	margin-bottom: 8px;
	font-weight: 500;
	color: var(--color-secondary-text);
	font-size: 14px;
}

.form-input {
	width: 100%;
	padding: 14px 16px;
	background-color: var(--color-background);
	border: 1px solid #2a2d32;
	border-radius: 8px;
	color: var(--color-primary-text);
	font-size: 16px;
	font-family: var(--font-body);
	transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
	outline: none;
	border-color: var(--color-accent);
	box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.2);
}

.form-group--checkbox {
	flex-direction: row;
	align-items: center;
	gap: 12px;
	margin-top: 10px;
}

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

.form-checkbox-label {
	font-size: 14px;
	color: var(--color-secondary-text);
}
.form-checkbox-label a {
	text-decoration: underline;
}

.contact__submit {
	width: 100%;
	margin-top: 10px;
}

.form-success {
	display: flex;
	align-items: center;
	text-align: center;
	flex-direction: column;
	justify-content: center;
	padding: 40px;
	background-color: var(--color-background);
	border: 1px solid var(--color-accent);
	border-radius: 8px;
	color: var(--color-primary-text);
}
.form-success--hidden {
	display: none;
}
.form-success i {
	color: var(--color-accent);
	width: 48px;
	height: 48px;
	margin-bottom: 16px;
}

.contact__info {
	padding-left: 20px;
}

.contact__info-img {
	width: 100%;
	border-radius: 12px;
	margin-bottom: 30px;
}

.contact__info-title {
	font-size: 24px;
	margin-bottom: 12px;
}
.contact__info-text {
	color: var(--color-secondary-text);
	margin-bottom: 24px;
}
.contact__info-list {
	display: flex;
	flex-direction: column;
	gap: 16px;
}
.contact__info-list a {
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 18px;
	color: var(--color-primary-text);
	font-weight: 500;
}
.contact__info-list a i {
	color: var(--color-accent);
}

/* --- Contact Section Responsive --- */
@media (max-width: 992px) {
	.contact__layout {
		grid-template-columns: 1fr;
		gap: 60px;
		padding: 40px;
	}
	.contact__info {
		padding-left: 0;
		text-align: center;
	}
	.contact__info-list {
		align-items: center;
	}
}
@media (max-width: 576px) {
	.contact__layout {
		padding: 30px 20px;
	}
}

/* --- Cookie Pop-up --- */
.cookie-popup {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	background-color: var(--color-background-light);
	border-top: 1px solid #2a2d32;
	padding: 20px 0;
	z-index: 200;
	transform: translateY(100%);
	transition: transform 0.5s ease-in-out;
}

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

.cookie-popup__container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 20px;
}

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

.cookie-popup__text a {
	text-decoration: underline;
}

.cookie-popup__button {
	padding: 10px 24px;
	flex-shrink: 0;
}

@media (max-width: 768px) {
	.cookie-popup__container {
		flex-direction: column;
		text-align: center;
	}
}

/* --- Policy & Info Pages --- */
/* These styles apply to pages like privacy.html, terms.html etc. */
.pages {
	padding: 120px 0 80px; /* Padding top to offset fixed header */
}

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

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

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

.pages p {
	color: var(--color-secondary-text);
	line-height: 1.7;
	margin-bottom: 20px;
}

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

.pages li {
	color: var(--color-secondary-text);
	margin-bottom: 12px;
}

.pages a {
	text-decoration: underline;
}

.pages strong {
	color: var(--color-primary-text);
	font-weight: 600;
}