/* Базовые стили и переменные */
:root {
	--color-primary: #6246ea;
	--color-primary-hover: #5038c8;
	--color-primary-light: rgba(98, 70, 234, 0.1);
	--color-bg-primary: #0a0a0a;
	--color-bg-secondary: #141414;
	--color-bg-tertiary: #1a1a1a;
	--color-text-primary: #ffffff;
	--color-text-secondary: #a0a0a0;
	--color-text-muted: #666666;
	--color-border: #2a2a2a;
	--color-border-light: #3a3a3a;

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

	--container-max-width: 1480px;
	--container-padding: 20px;

	--border-radius: 8px;
	--border-radius-large: 16px;

	--transition: all 0.3s ease;
	--shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
	--shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);

	--marquee-elements-displayed: 6;
	--marquee-width: 100vw;
	--marquee-element-width: calc(
		var(--marquee-width) / var(--marquee-elements-displayed)
	);
	--marquee-elements: 6;
	--marquee-animation-duration: calc(var(--marquee-elements) * 3s);
}

/* Сброс стилей */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-primary);
	background-color: var(--color-bg-primary);
	color: var(--color-text-primary);
	line-height: 1.6;
	overflow-x: hidden;
}

/* Утилиты */
.container {
	max-width: var(--container-max-width);
	margin: 0 auto;
	padding: 0 var(--container-padding);
}

/* Кнопки */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 12px 24px;
	background: transparent;
	border: 2px solid var(--color-border);
	border-radius: var(--border-radius);
	color: var(--color-text-primary);
	font-family: var(--font-primary);
	font-weight: 500;
	font-size: 14px;
	text-decoration: none;
	cursor: pointer;
	transition: var(--transition);
	white-space: nowrap;
}

.btn:hover {
	border-color: var(--color-primary);
	color: var(--color-primary);
	transform: translateY(-2px);
}

.btn--primary {
	background: var(--color-primary);
	border-color: var(--color-primary);
	color: #000;
}

.btn--primary:hover {
	background: var(--color-primary-hover);
	border-color: var(--color-primary-hover);
	color: #000;
}

.btn--large {
	padding: 16px 32px;
	font-size: 16px;
}

/* Хедер */
.header {
	position: fixed;
	top: 10px;
	left: 0;
	right: 0;
	max-width: var(--container-max-width);
	border-radius: var(--border-radius-large);
	margin: 0 auto;
	background: rgba(10, 10, 10, 0.66);
	backdrop-filter: blur(4px);
	border: 1px solid var(--color-border);
	z-index: 1000;
	transition: var(--transition);
}
.header__container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 15px var(--container-padding);
}

.nav__list {
	display: flex;
	list-style: none;
	gap: 32px;
}

.nav__link {
	color: var(--color-text-secondary);
	text-decoration: none;
	font-weight: 500;
	transition: var(--transition);
}

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

/* Мобильное меню */
.burger {
	display: none;
	flex-direction: column;
	background: transparent;
	border: none;
	cursor: pointer;
	padding: 8px;
	gap: 4px;
	z-index: 1001;
}

.burger__line {
	width: 24px;
	height: 2px;
	background: var(--color-text-primary);
	transition: all 0.3s ease;
	transform-origin: center;
}

.burger.active .burger__line:nth-child(1) {
	transform: rotate(45deg) translate(3px, 6px);
}

.burger.active .burger__line:nth-child(2) {
	opacity: 0;
}

.burger.active .burger__line:nth-child(3) {
	transform: rotate(-45deg) translate(3px, -6px);
}

.mobile-menu {
	position: fixed;
	top: 0;
	right: -100%;
	width: 300px;
	min-height: 100vh;
	background: var(--color-bg-secondary);
	border-left: 1px solid var(--color-border);
	transition: right 0.3s ease;
	z-index: 999;
	padding-top: 100px;
}

.mobile-menu.active {
	right: 0;
}

.mobile-menu__nav {
	padding: 40px 24px;
	height: 100%;
	display: flex;
	flex-direction: column;
}

.mobile-menu__list {
	list-style: none;
	margin-bottom: auto;
}

.mobile-menu__item {
	margin-bottom: 24px;
}

.mobile-menu__link {
	color: var(--color-text-primary);
	text-decoration: none;
	font-weight: 500;
	font-size: 18px;
	transition: var(--transition);
	display: block;
	padding: 12px 0;
}

.mobile-menu__link:hover {
	color: var(--color-primary);
}

.mobile-menu__cta {
	margin-top: auto;
	width: 100%;
}

.mobile-menu-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	min-height: 100vh;
	background: rgba(0, 0, 0, 0.5);
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	z-index: 998;
}

.mobile-menu-overlay.active {
	opacity: 1;
	visibility: visible;
}

/* Главный блок */
.hero {
	min-height: 80vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(
		135deg,
		var(--color-bg-primary) 0%,
		var(--color-bg-secondary) 100%
	);
	position: relative;
	overflow: hidden;
}

.hero::before {
	content: '';
	position: absolute;
	top: 0;
	left: 50%;
	width: 100%;
	height: 100%;
	background: radial-gradient(
		circle at center,
		var(--color-primary-light) 0%,
		transparent 70%
	);
	transform: translateX(-50%);
	z-index: 0;
}

.hero__container {
	position: relative;
	z-index: 1;
	text-align: center;
}

.hero__content {
	max-width: 800px;
	margin: 0 auto;
}

.badge {
	display: inline-flex;
	padding: 8px 16px;
	background: var(--color-bg-tertiary);
	border: 1px solid var(--color-border);
	border-radius: 24px;
	margin-bottom: 24px;
}

.badge__text {
	font-size: 14px;
	color: var(--color-text-secondary);
	font-weight: 500;
}

.hero__title {
	font-size: clamp(32px, 5vw, 56px);
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 24px;
	background: linear-gradient(
		135deg,
		var(--color-text-primary) 0%,
		var(--color-primary) 100%
	);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.hero__description {
	font-size: 18px;
	color: var(--color-text-secondary);
	margin-bottom: 32px;
	line-height: 1.8;
}

.hero__stats {
	margin-top: 60px;
	padding: 10px;
	background: var(--color-bg-tertiary);
	border: 1px solid var(--color-border);
	border-radius: var(--border-radius-large);
	max-width: 250px;
	margin-left: auto;
	margin-right: auto;
}

.hero__stat-text {
	font-size: 16px;
	color: var(--color-text-secondary);
	text-align: center;
}

/* Форма обмена */
.exchange {
	padding: 80px 0;
	background: var(--color-bg-secondary);
}

.exchange__form-wrapper {
	max-width: 800px;
	margin: 0 auto;
	background: var(--color-bg-tertiary);
	padding: 40px;
	border-radius: var(--border-radius-large);
	border: 1px solid var(--color-border);
	box-shadow: var(--shadow);
}

.exchange__title {
	font-size: 28px;
	font-weight: 700;
	text-align: center;
	margin-bottom: 32px;
	color: var(--color-text-primary);
}

.exchange__row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-bottom: 16px;
}

.crypto-marquee {
	width: var(--marquee-width);
	overflow: hidden;
	padding: 40px 0;
	position: relative;
	background: var(--color-bg-secondary);
	border-top: 1px solid var(--color-border);
	border-bottom: 1px solid var(--color-border);
}

.crypto-marquee__track {
	display: flex;
	width: max-content;
	list-style: none;
	gap: 60px;
	animation: crypto-scroll var(--marquee-animation-duration) linear infinite;
}

.crypto-marquee__item {
	flex: 0 0 auto;
	width: var(--marquee-element-width);
	display: flex;
	align-items: center;
	justify-content: center;
}

.crypto-marquee__item svg {
	width: 50px;
	height: 50px;
	opacity: 0.8;
	transition: 0.3s ease;
}

.crypto-marquee__item svg:hover {
	opacity: 1;
	transform: scale(1.1);
}

@keyframes crypto-scroll {
	0% {
		transform: translateX(0);
	}
	100% {
		transform: translateX(
			calc(-1 * var(--marquee-element-width) * var(--marquee-elements))
		);
	}
}

@media (max-width: 768px) {
	:root {
		--marquee-elements-displayed: 3;
	}
}

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

.field__select,
.field__input {
	width: 100%;
	padding: 16px;
	background: var(--color-bg-secondary);
	border: 1px solid var(--color-border);
	border-radius: var(--border-radius);
	color: var(--color-text-primary);
	font-family: var(--font-primary);
	font-size: 16px;
	transition: var(--transition);
}

.field__select:focus,
.field__input:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-light);
}

.exchange__info {
	display: flex;
	justify-content: space-between;
	margin: 24px 0;
	font-size: 14px;
	color: var(--color-text-secondary);
}

.exchange__btn {
	width: 100%;
	margin-top: 16px;
}

/* Услуги */
.services {
	padding: 100px 0;
	background: var(--color-bg-primary);
}

.services__header {
	text-align: center;
	margin-bottom: 60px;
}

.services__title {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 700;
	color: var(--color-text-primary);
	margin-bottom: 16px;
}

.services__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
	gap: 32px;
}

.service-card {
	background: var(--color-bg-tertiary);
	padding: 40px;
	border-radius: var(--border-radius-large);
	border: 1px solid var(--color-border);
	transition: var(--transition);
	text-align: center;
}

.service-card:hover {
	transform: translateY(-8px);
	box-shadow: var(--shadow-hover);
	border-color: var(--color-primary);
}

.service-card__icon {
	width: 60px;
	height: 60px;
	margin: 0 auto 24px;
	color: var(--color-primary);
}

.service-card__icon svg {
	width: 100%;
	height: 100%;
}

.service-card__title {
	font-size: 24px;
	font-weight: 600;
	margin-bottom: 16px;
	color: var(--color-text-primary);
}

.service-card__description {
	font-size: 16px;
	color: var(--color-text-secondary);
	line-height: 1.6;
}

.about {
	padding: 100px 0;
	background: var(--color-bg-secondary);
}

.about__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	align-items: center;
	gap: 20px;
}

.about__title {
	font-size: clamp(28px, 4vw, 40px);
	color: var(--color-text-primary);
	font-weight: 700;
	margin-bottom: 24px;
}

.about__description {
	font-size: 16px;
	color: var(--color-text-secondary);
	line-height: 1.8;
	margin-bottom: 20px;
}

.about__btn {
	margin-top: 24px;
}

.about__image img {
	width: 100%;
	height: auto;
	border-radius: var(--border-radius-large);
	border: 1px solid var(--color-border-light);
	box-shadow: var(--shadow);
}

/* Преимущества */
.advantages {
	padding: 100px 0;
	background: var(--color-bg-secondary);
}

.advantages__header {
	text-align: center;
	margin-bottom: 60px;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
}

.advantages__title {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 700;
	margin-bottom: 16px;
	color: var(--color-text-primary);
}

.advantages__subtitle {
	font-size: 18px;
	color: var(--color-text-secondary);
	line-height: 1.6;
}

.advantages__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
	gap: 32px;
}

.advantage-card {
	background: var(--color-bg-tertiary);
	padding: 40px;
	border-radius: var(--border-radius-large);
	border: 1px solid var(--color-border);
	transition: var(--transition);
}

.advantage-card:hover {
	transform: translateY(-8px);
	box-shadow: var(--shadow-hover);
	border-color: var(--color-primary);
}

.advantage-card__icon {
	width: 80px;
	height: 80px;
	margin-bottom: 24px;
}

.advantage-card__title {
	font-size: 24px;
	font-weight: 600;
	margin-bottom: 16px;
	color: var(--color-text-primary);
}

.advantage-card__description {
	font-size: 16px;
	color: var(--color-text-secondary);
	line-height: 1.6;
	margin-bottom: 24px;
}

.advantage-card__link {
	color: var(--color-primary);
	text-decoration: none;
	font-weight: 500;
	transition: var(--transition);
}

.advantage-card__link:hover {
	color: var(--color-primary-hover);
}

/* Статистика */
.stats {
	padding: 80px 0;
	background: var(--color-bg-primary);
}

.stats__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 32px;
	margin-bottom: 60px;
}

.stat-item {
	text-align: center;
	background: var(--color-bg-tertiary);
	padding: 40px 20px;
	border-radius: var(--border-radius-large);
	border: 1px solid var(--color-border);
}

.stat-item__value {
	font-size: 48px;
	font-weight: 800;
	color: var(--color-primary);
	margin-bottom: 8px;
}

.stat-item__label {
	font-size: 16px;
	color: var(--color-text-secondary);
}

.stats__quote {
	text-align: center;
	max-width: 600px;
	margin: 0 auto;
}

.stats__text {
	font-size: 20px;
	font-style: italic;
	color: var(--color-text-secondary);
	margin-bottom: 16px;
	line-height: 1.6;
}

.stats__author {
	font-size: 14px;
	color: var(--color-primary);
	font-weight: 500;
}

/* Контакты */
.contact {
	padding: 100px 0;
	background: var(--color-bg-secondary);
}

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

.contact__title {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 700;
	margin-bottom: 24px;
	color: var(--color-text-primary);
}

.contact__description {
	font-size: 18px;
	color: var(--color-text-secondary);
	line-height: 1.6;
	margin-bottom: 40px;
}

.contact__info {
	display: grid;
	gap: 24px;
}

.contact__info-title {
	font-size: 16px;
	font-weight: 600;
	color: var(--color-primary);
	margin-bottom: 8px;
}

.contact__info-text {
	font-size: 16px;
	color: var(--color-text-secondary);
}

.contact__form-wrapper {
	background: var(--color-bg-tertiary);
	padding: 40px;
	border-radius: var(--border-radius-large);
	border: 1px solid var(--color-border);
}

.form__field {
	margin-bottom: 20px;
}

.form__input,
.form__textarea {
	width: 100%;
	padding: 16px;
	background: var(--color-bg-secondary);
	border: 1px solid var(--color-border);
	border-radius: var(--border-radius);
	color: var(--color-text-primary);
	font-family: var(--font-primary);
	font-size: 16px;
	transition: var(--transition);
	resize: vertical;
}

.form__input:focus,
.form__textarea:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input::placeholder,
.form__textarea::placeholder {
	color: var(--color-text-muted);
}

.form__submit {
	width: 100%;
	margin-top: 16px;
}

.contact__note {
	font-size: 14px;
	color: var(--color-text-muted);
	text-align: center;
	margin-top: 16px;
}

/* FAQ */
.faq {
	padding: 100px 0;
	background: var(--color-bg-primary);
}

.faq__title {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 700;
	text-align: center;
	margin-bottom: 60px;
	color: var(--color-text-primary);
}

.faq__list {
	max-width: 800px;
	margin: 0 auto;
}

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

.faq__question {
	width: 100%;
	padding: 24px 0;
	background: transparent;
	border: none;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 18px;
	font-weight: 600;
	color: var(--color-text-primary);
	cursor: pointer;
	transition: var(--transition);
	text-align: left;
}

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

.faq__toggle {
	font-size: 24px;
	font-weight: 300;
	transition: var(--transition);
}

.faq__item.active .faq__toggle {
	transform: rotate(45deg);
}

.faq__answer {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
}

.faq__item.active .faq__answer {
	max-height: 200px;
}

.faq__answer p {
	padding-bottom: 24px;
	color: var(--color-text-secondary);
	line-height: 1.6;
}

/* Футер */
.footer {
	background: var(--color-bg-tertiary);
	border-top: 1px solid var(--color-border);
	padding: 60px 0 24px;
}

.footer__content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	margin-bottom: 40px;
}

.footer__brand {
	max-width: 300px;
}

.footer__logo {
	margin-bottom: 16px;
}

.footer__description {
	color: var(--color-text-secondary);
	line-height: 1.6;
}

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

.footer__column-title {
	font-size: 16px;
	font-weight: 600;
	color: var(--color-text-primary);
	margin-bottom: 16px;
}

.footer__list {
	list-style: none;
}

.footer__list li {
	margin-bottom: 8px;
}

.footer__link {
	color: var(--color-text-secondary);
	text-decoration: none;
	transition: var(--transition);
}

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

.footer__bottom {
	padding-top: 24px;
	border-top: 1px solid var(--color-border);
	text-align: center;
}

.footer__copyright {
	color: var(--color-text-muted);
	font-size: 14px;
}

/* Адаптивность */
@media (max-width: 768px) {
	.header {
		margin: 10px 10px 0;
	}
	.header__container {
		padding: 16px var(--container-padding);
	}

	.nav--desktop,
	.btn--desktop {
		display: none;
	}

	.burger {
		display: flex;
	}

	.hero {
		padding: 100px 0 60px;
	}

	.hero__title {
		font-size: 32px;
	}

	.exchange__form-wrapper {
		padding: 24px;
	}

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

	.services__grid,
	.advantages__grid {
		grid-template-columns: 1fr;
	}

	.contact__container {
		grid-template-columns: 1fr;
		gap: 40px;
	}

	.footer__content {
		grid-template-columns: 1fr;
		gap: 40px;
	}

	.footer__links {
		grid-template-columns: 1fr;
		gap: 24px;
	}

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

@media (max-width: 480px) {
	:root {
		--container-padding: 16px;
	}

	.hero__description {
		font-size: 16px;
	}

	.services,
	.advantages,
	.contact,
	.faq {
		padding: 60px 0;
	}

	.service-card,
	.advantage-card {
		padding: 24px;
	}

	.contact__form-wrapper {
		padding: 20px;
	}
}

/* Анимации */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes fadeInLeft {
	from {
		opacity: 0;
		transform: translateX(-30px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes fadeInRight {
	from {
		opacity: 0;
		transform: translateX(30px);
	}
	to {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes fadeIn {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

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

@keyframes pulse {
	0%,
	100% {
		transform: scale(1);
	}
	50% {
		transform: scale(1.05);
	}
}

/* Базовые анимации загрузки */
.hero__content {
	animation: fadeInUp 0.8s ease-out;
}

/* Элементы, которые анимируются при скролле */
.animate-on-scroll {
	opacity: 0;
	transform: translateY(30px);
	transition: all 0.6s ease-out;
}

.animate-on-scroll.animate {
	opacity: 1;
	transform: translateY(0);
}

.animate-on-scroll--left {
	opacity: 0;
	transform: translateX(-30px);
	transition: all 0.6s ease-out;
}

.animate-on-scroll--left.animate {
	opacity: 1;
	transform: translateX(0);
}

.animate-on-scroll--right {
	opacity: 0;
	transform: translateX(30px);
	transition: all 0.6s ease-out;
}

.animate-on-scroll--right.animate {
	opacity: 1;
	transform: translateX(0);
}

/* Анимации для кнопок и интерактивных элементов */
.btn {
	position: relative;
	overflow: hidden;
}

.btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.1),
		transparent
	);
	transition: left 0.5s ease;
}

.btn:hover::before {
	left: 100%;
}

/* Анимации для форм */
.field__input:focus,
.field__select:focus,
.form__input:focus,
.form__textarea:focus {
	transform: translateY(-2px);
}

/* Анимации для статистики */
.stat-item__value {
	animation: fadeIn 1s ease-out 0.5s both;
}

/* Плавные переходы при скролле */
html {
	scroll-behavior: smooth;
}

/* Анимации для FAQ */
.faq__answer {
	transform: translateY(-10px);
	transition: all 0.3s ease;
}

.faq__item.active .faq__answer {
	transform: translateY(0);
}

/* Стиль загрузки */
.loading {
	position: relative;
}

.loading::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 20px;
	height: 20px;
	margin: -10px 0 0 -10px;
	border: 2px solid var(--color-primary);
	border-radius: 50%;
	border-top-color: transparent;
	animation: spin 1s linear infinite;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

/* Hover эффекты для карточек */
.service-card,
.advantage-card {
	position: relative;
	overflow: hidden;
}

.service-card::before,
.advantage-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: linear-gradient(
		45deg,
		transparent,
		var(--color-primary-light),
		transparent
	);
	opacity: 0;
	transition: opacity 0.3s ease;
	z-index: 0;
}

.service-card:hover::before,
.advantage-card:hover::before {
	opacity: 1;
}

.service-card > *,
.advantage-card > * {
	position: relative;
	z-index: 1;
}

/* Анимация для мобильного меню */
.mobile-menu__item {
	transform: translateX(50px);
	opacity: 0;
	transition: all 0.3s ease;
}

.mobile-menu.active .mobile-menu__item {
	transform: translateX(0);
	opacity: 1;
}

.mobile-menu.active .mobile-menu__item:nth-child(1) {
	transition-delay: 0.1s;
}
.mobile-menu.active .mobile-menu__item:nth-child(2) {
	transition-delay: 0.2s;
}
.mobile-menu.active .mobile-menu__item:nth-child(3) {
	transition-delay: 0.3s;
}

/* Pulse анимация для CTA кнопок */
.hero__cta-btn {
	animation: pulse 2s infinite;
}

.hero__cta-btn:hover {
	animation: none;
}