/* GLOBAL SETTINGS */
:root {
	--color-background: #121212;
	--color-surface: #1e1e1e;
	--color-primary: #00ffc2;
	--color-text-primary: #f5f5f5;
	--color-text-secondary: #a0a0a0;
	--color-border: #333333;

	--font-family-headings: 'Space Grotesk', sans-serif;
	--font-family-body: 'Inter', sans-serif;

	--header-height: 80px;
}

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

html {
	scroll-behavior: smooth;
}

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

.container {
	max-width: 1200px;
	margin-left: auto;
	margin-right: auto;
	padding-left: 1rem;
	padding-right: 1rem;
}

h1,
h2,
h3 {
	font-family: var(--font-family-headings);
	font-weight: 700;
	color: var(--color-text-primary);
}

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

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

ul {
	list-style: none;
}

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

button {
	font-family: inherit;
	background: none;
	border: none;
	cursor: pointer;
}

/* LOGO */
.logo {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-family-headings);
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--color-text-primary);
}

.logo__img {
	width: 36px;
	height: 36px;
	color: var(--color-primary);
}

/* HEADER */
.header {
	position: sticky;
	top: 0;
	width: 100%;
	height: var(--header-height);
	background-color: rgba(18, 18, 18, 0.8);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--color-border);
	z-index: 100;
}

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

.header__burger {
	display: none;
	color: var(--color-text-primary);
}

/* NAVIGATION */
.nav__list {
	display: flex;
	align-items: center;
	gap: 2rem;
}

.nav__link {
	font-size: 1rem;
	font-weight: 500;
	padding: 0.5rem 0;
	position: relative;
}

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

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

.nav__link--cta {
	background-color: var(--color-primary);
	color: var(--color-background);
	padding: 0.5rem 1.25rem;
	border-radius: 50px;
	transition: background-color 0.3s ease, color 0.3s ease;
}

.nav__link--cta:hover {
	background-color: var(--color-text-primary);
	color: var(--color-background);
}
.nav__link--cta::after {
	display: none;
}

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

.footer__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	padding-bottom: 4rem;
}

.footer__description {
	margin-top: 1rem;
	font-size: 0.9rem;
	color: var(--color-text-secondary);
	max-width: 250px;
}

.footer__title {
	font-size: 1.25rem;
	margin-bottom: 1rem;
	font-weight: 500;
}

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

.footer__list--contacts .footer__link {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.footer__icon {
	width: 20px;
	height: 20px;
	color: var(--color-primary);
}

.footer__bottom {
	padding: 1.5rem 0;
	text-align: center;
	background-color: var(--color-background);
	color: var(--color-text-secondary);
	font-size: 0.9rem;
}

/* RESPONSIVE DESIGN (Mobile-First) */
@media (max-width: 768px) {
	/* --- ИЗМЕНЕНИЯ ЗДЕСЬ --- */
	.nav {
		position: fixed;
		top: 0;
		left: 0; /* Изменено с right */
		width: 100%; /* Изменено с 80% */
		height: 100vh; /* Меню теперь на весь экран */
		background-color: var(--color-surface);
		padding: 8rem 2rem 2rem; /* Скорректирован padding */

		/* Логика анимации */
		transform: translateY(-100%); /* Начальное состояние - спрятано сверху */
		transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
		z-index: 99;

		/* Центрирование контента */
		display: flex;
		justify-content: center;
		align-items: center;
		text-align: center;
	}

	.nav.is-active {
		transform: translateY(0); /* Активное состояние - видимо */
	}

	.nav__list {
		flex-direction: column;
		align-items: center; /* Центрируем ссылки */
		gap: 2rem; /* Увеличили отступ для лучшей читаемости */
	}

	.nav__link {
		font-size: 1.5rem; /* Увеличили шрифт для мобильного меню */
	}

	.header__burger {
		display: block;
		z-index: 101; /* Бургер всегда поверх меню */
	}
	/* --- КОНЕЦ ИЗМЕНЕНИЙ --- */
}

/* --- HERO SECTION STYLES --- */
.btn {
	display: inline-block;
	padding: 0.8rem 2rem;
	font-family: var(--font-family-headings);
	font-size: 1rem;
	font-weight: 500;
	text-align: center;
	border-radius: 50px;
	transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
	background-color: var(--color-primary);
	color: var(--color-background);
}

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

.hero {
	position: relative;
	min-height: calc(100vh - var(--header-height));
	display: flex;
	align-items: center;
	padding: 4rem 0;
	overflow: hidden;
}

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

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

.hero__content {
	max-width: 800px;
}

.hero__title {
	font-size: 3rem;
	line-height: 1.1;
	font-weight: 700;
	margin-bottom: 1.5rem;
}

.hero__title::after {
	content: '.';
	color: var(--color-primary);
}

.hero__subtitle {
	font-size: 1.25rem;
	color: var(--color-text-secondary);
	margin-bottom: 2.5rem;
	max-width: 550px;
}

/* RESPONSIVE FOR HERO */
@media (max-width: 768px) {
	.hero {
		text-align: center;
		min-height: 70vh;
	}

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

	.hero__title {
		font-size: 1.5rem;
	}

	.hero__subtitle {
		font-size: 1rem;
	}
}

/* --- GLOBAL SECTION STYLES --- */
.section {
	padding: 6rem 0;
}

.section-title {
	font-size: 2.5rem;
	text-align: center;
	margin-bottom: 4rem;
	font-weight: 700;
}

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

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

.principles__item {
	background-color: var(--color-background);
	padding: 2rem;
	border: 1px solid var(--color-border);
	border-radius: 16px;
	transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.principles__icon {
	width: 48px;
	height: 48px;
	color: var(--color-primary);
	margin-bottom: 1.5rem;
}

.principles__title {
	font-size: 1.25rem;
	margin-bottom: 1rem;
}

.principles__description {
	color: var(--color-text-secondary);
	font-size: 0.95rem;
}

/* RESPONSIVE FOR PRINCIPLES */
@media (max-width: 992px) {
	.principles__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 576px) {
	.section {
		padding: 4rem 0;
	}

	.section-title {
		font-size: 2rem;
		margin-bottom: 3rem;
	}

	.principles__grid {
		grid-template-columns: 1fr;
	}
}

/* --- SOLUTIONS SECTION STYLES --- */
.solutions__tabs {
	display: grid;
	grid-template-columns: 250px 1fr;
	gap: 3rem;
}

.solutions__nav {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.solutions__nav-button {
	width: 100%;
	padding: 1rem;
	font-size: 1rem;
	font-weight: 500;
	text-align: left;
	color: var(--color-text-secondary);
	background-color: transparent;
	border-radius: 8px;
	border-left: 3px solid transparent;
	transition: background-color 0.3s ease, color 0.3s ease,
		border-color 0.3s ease;
}

.solutions__nav-button:hover {
	background-color: var(--color-surface);
	color: var(--color-text-primary);
}

.solutions__nav-button.is-active {
	color: var(--color-text-primary);
	background-color: var(--color-surface);
	border-left: 3px solid var(--color-primary);
}

.solutions__panel {
	display: none; /* Hidden by default */
	animation: fadeIn 0.5s ease-in-out;
	grid-template-columns: 250px 1fr;
	gap: 2rem;
	align-items: center;
}

.solutions__panel.is-active {
	display: grid; /* Shown when active */
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.solutions__panel-img {
	width: 100%;
	height: auto;
	border-radius: 12px;
	object-fit: cover;
	aspect-ratio: 1 / 1;
	border: 1px solid var(--color-border);
}

.solutions__panel-title {
	font-size: 1.75rem;
	margin-bottom: 1rem;
}

.solutions__panel-text p {
	color: var(--color-text-secondary);
	margin-bottom: 1.5rem;
}

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

.solutions__panel-list li {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	font-size: 0.95rem;
}

.solutions__list-icon {
	width: 20px;
	height: 20px;
	color: var(--color-primary);
}

/* RESPONSIVE FOR SOLUTIONS */
@media (max-width: 992px) {
	.solutions__tabs {
		grid-template-columns: 1fr;
		gap: 2rem;
	}

	.solutions__nav {
		flex-direction: row;
		overflow-x: auto;
		padding-bottom: 1rem;
	}

	.solutions__nav-button {
		white-space: nowrap;
		border-bottom: 3px solid transparent;
		border-left: none;
	}

	.solutions__nav-button.is-active {
		border-left: none;
		border-bottom: 3px solid var(--color-primary);
	}
}

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

	.solutions__panel-img {
		aspect-ratio: 16 / 9;
	}

	.solutions__panel-title {
		font-size: 1.5rem;
	}
}

/* --- CASES SECTION STYLES --- */
.cases {
	background-color: var(--color-surface);
	overflow: hidden; /* Important for slider */
}

.cases__slider {
	max-width: 1000px;
	margin: 0 auto;
	padding: 0 1rem 3rem;
}

.cases__slide {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	align-items: center;
	gap: 3rem;
	background-color: var(--color-background);
	padding: 2rem;
	border-radius: 16px;
}

.cases__img {
	width: 100%;
	border-radius: 12px;
	aspect-ratio: 16/10;
	object-fit: cover;
}

.cases__tag {
	display: inline-block;
	background-color: var(--color-surface);
	color: var(--color-primary);
	padding: 0.25rem 0.75rem;
	border-radius: 50px;
	font-size: 0.8rem;
	font-weight: 500;
	margin-bottom: 1rem;
	font-family: var(--font-family-headings);
}

.cases__title {
	font-size: 1.75rem;
	margin-bottom: 1rem;
}

.cases__description {
	color: var(--color-text-secondary);
	margin-bottom: 1.5rem;
}

.cases__results {
	list-style: none;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.cases__results li {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.cases__results i {
	color: var(--color-primary);
	width: 20px;
	height: 20px;
}

/* Swiper custom styles */
.swiper-button-next,
.swiper-button-prev {
	color: var(--color-primary) !important;
}

.swiper-pagination-bullet-active {
	background-color: var(--color-primary) !important;
}

/* RESPONSIVE FOR CASES */
@media (max-width: 768px) {
	.cases__slide {
		grid-template-columns: 1fr;
		gap: 2rem;
		padding: 1.5rem;
	}

	.cases__title {
		font-size: 1.5rem;
	}
}

/* --- FAQ SECTION STYLES --- */
.faq {
	background-color: var(--color-background);
}

.faq__accordion {
	max-width: 800px;
	margin: 0 auto;
	border-top: 1px solid var(--color-border);
}

.faq__item {
	border-bottom: 1px solid var(--color-border);
}

.faq__question {
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1.5rem 0;
	text-align: left;
	font-size: 1.2rem;
	font-weight: 500;
	color: var(--color-text-primary);
	background: none;
	border: none;
	cursor: pointer;
}

.faq__question span {
	padding-right: 1rem;
}

.faq__icon {
	color: var(--color-primary);
	flex-shrink: 0;
	transition: transform 0.3s ease;
}

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

.faq__answer p {
	padding-bottom: 0;
	color: var(--color-text-secondary);
	line-height: 1.7;
}

/* Active state for accordion */
.faq__item.is-active .faq__question .faq__icon {
	transform: rotate(45deg);
}

.faq__item.is-active .faq__answer {
	/* max-height will be set by JS */
	padding-bottom: 1.5rem;
}

/* --- CONTACT SECTION STYLES --- */
.contact {
	background-color: var(--color-surface);
}

.contact__wrapper {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: 4rem;
	background-color: var(--color-background);
	padding: 4rem;
	border-radius: 16px;
}

.contact__info-title {
	font-size: 2rem;
	margin-bottom: 1rem;
}

.contact__info-text {
	color: var(--color-text-secondary);
	margin-bottom: 2rem;
}

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

.contact__info-link {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--color-text-primary);
	font-weight: 500;
}

.contact__info-link i {
	color: var(--color-primary);
}

/* Form Styles */
.contact__form-group {
	margin-bottom: 1.5rem;
}

.contact__input {
	width: 100%;
	padding: 1rem;
	background-color: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 8px;
	color: var(--color-text-primary);
	font-size: 1rem;
	transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact__input:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px rgba(0, 255, 194, 0.2);
}

.contact__form-group--checkbox {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	font-size: 0.9rem;
	color: var(--color-text-secondary);
}

.contact__form-group--checkbox input[type='checkbox'] {
	margin-top: 4px;
	accent-color: var(--color-primary);
}

.contact__form-group--checkbox a {
	color: var(--color-text-primary);
	text-decoration: underline;
}

.contact__submit-btn {
	width: 100%;
	padding: 1rem;
	font-size: 1.1rem;
}

.contact__success-message {
	display: none; /* Hidden by default */
	background-color: var(--color-surface);
	padding: 2rem;
	border-radius: 8px;
	text-align: center;
	border: 1px solid var(--color-primary);
}

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

.contact__success-message h4 {
	font-size: 1.5rem;
	margin-bottom: 0.5rem;
}

/* RESPONSIVE FOR CONTACT */
@media (max-width: 992px) {
	.contact__wrapper {
		grid-template-columns: 1fr;
		gap: 3rem;
		padding: 2rem;
	}
}

/* --- COOKIE POP-UP STYLES --- */
.cookie-popup {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	background-color: var(--color-surface);
	border-top: 1px solid var(--color-border);
	padding: 1.5rem 0;
	z-index: 200;
	transform: translateY(0);
	transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.cookie-popup.is-hidden {
	transform: translateY(150%);
}

.cookie-popup__container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1.5rem;
}

.cookie-popup__text {
	color: var(--color-text-secondary);
	font-size: 0.9rem;
}

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

.cookie-popup__btn {
	flex-shrink: 0; /* Prevents button from shrinking on small screens */
}

/* RESPONSIVE FOR COOKIE POP-UP */
@media (max-width: 576px) {
	.cookie-popup__container {
		flex-direction: column;
		text-align: center;
	}
}

/* --- POLICY PAGES STYLES --- */
.pages {
	padding: 4rem 0;
}

.pages .container {
	max-width: 800px; /* Limit width for better readability */
}

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: 2rem;
	line-height: 1.2;
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: 3rem;
	margin-bottom: 1.5rem;
}

.pages p {
	color: var(--color-text-secondary);
	font-size: 1.1rem;
	line-height: 1.8;
	margin-bottom: 1.5rem;
}

.pages ul {
	list-style: disc;
	padding-left: 2rem;
	margin-bottom: 1.5rem;
}

.pages li {
	font-size: 1.1rem;
	color: var(--color-text-secondary);
	margin-bottom: 1rem;
	line-height: 1.8;
}

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

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

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

@media (max-width: 768px) {
	.pages p,
	.pages li {
		font-size: 1rem;
	}
}