/* ==================== GLOBAL STYLES ==================== */
/* Google Fonts Import is in HTML */

:root {
	/* Colors */
	--color-text: #1a202c;
	--color-text-light: #4a5568;
	--color-background: #f7fafc;
	--color-surface: #ffffff;
	--color-primary: #3b82f6;
	--color-primary-hover: #2563eb;
	--color-border: #e2e8f0;
	--color-footer-bg: #1a202c;
	--color-footer-text: #a0aec0;

	/* Fonts */
	--font-family-headings: 'Montserrat', sans-serif;
	--font-family-body: 'Lato', sans-serif;

	/* Spacing */
	--container-width: 1140px;
	--container-padding: 1.5rem;
	--header-height: 5rem;
}

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

html {
	scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--font-family-headings);
	font-weight: 700;
	color: var(--color-text);
}

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

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

ul {
	list-style: none;
}

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

.container {
	max-width: var(--container-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--container-padding);
	padding-right: var(--container-padding);
}

/* ==================== HEADER ==================== */
.header {
	width: 100%;
	height: var(--header-height);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 100;
	background-color: rgba(255, 255, 255, 0.8);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--color-border);
	transition: box-shadow 0.3s ease;
}

.header.scrolled {
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.logo {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--font-family-headings);
	font-weight: 700;
	font-size: 1.25rem;
	color: var(--color-text);
}

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

.header__nav {
	display: none;
}

.header__nav-list {
	display: flex;
	gap: 2rem;
}

.header__nav-link {
	font-size: 0.95rem;
	font-weight: 600;
	color: var(--color-text-light);
	position: relative;
	padding: 0.25rem 0;
}

.header__nav-link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--color-primary);
	transition: width 0.3s ease;
}

.header__nav-link:hover {
	color: var(--color-text);
}

.header__nav-link:hover::after {
	width: 100%;
}

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

/* Mobile Menu Styles */
/* Mobile Menu Styles */
@media (max-width: 767px) {
	.header__nav {
		/* Добавлено исправление */
		display: block;

		position: fixed;
		top: var(--header-height);
		right: -100%;
		width: 80%;
		max-width: 320px;
		height: calc(100vh - var(--header-height));
		background-color: var(--color-surface);
		box-shadow: -4px 0px 15px rgba(0, 0, 0, 0.1);
		padding: 2rem;
		transition: right 0.4s ease-in-out;
	}

	.header__nav.is-active {
		right: 0;
	}

	.header__nav-list {
		flex-direction: column;
		align-items: flex-start;
		gap: 1.5rem;
	}

	.header__nav-link {
		font-size: 1.1rem;
	}
}

/* Desktop Navigation */
@media (min-width: 768px) {
	.header__nav {
		display: block;
	}
	.header__burger {
		display: none;
	}
}

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

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

@media (min-width: 576px) {
	.footer__container {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 992px) {
	.footer__container {
		grid-template-columns: 2fr 1fr 1fr 2fr;
		gap: 2rem;
	}
}

.footer__column--about .logo {
	color: var(--color-surface);
}
.footer__column--about .logo:hover {
	color: var(--color-surface);
}

.footer__description {
	margin-top: 1rem;
	font-size: 0.9rem;
	max-width: 300px;
}

.footer__title {
	font-family: var(--font-family-headings);
	color: var(--color-surface);
	font-size: 1.1rem;
	margin-bottom: 1rem;
	font-weight: 600;
}

.footer__list li:not(:last-child) {
	margin-bottom: 0.6rem;
}

.footer__link {
	color: var(--color-footer-text);
	font-size: 0.9rem;
	transition: color 0.3s, padding-left 0.3s;
}

.footer__link:hover {
	color: var(--color-surface);
	padding-left: 0.25rem;
}

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

.footer__list--contacts .footer__icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

.footer__copyright {
	padding: 1.5rem 0;
	text-align: center;
	font-size: 0.85rem;
	border-top: 1px solid #2d3748; /* Slightly lighter than footer bg */
}

/* ==================== BUTTON ==================== */
.button {
	display: inline-block;
	padding: 0.85rem 2rem;
	background-color: var(--color-primary);
	color: var(--color-surface);
	font-family: var(--font-family-headings);
	font-weight: 600;
	font-size: 1rem;
	border-radius: 6px;
	border: 2px solid transparent;
	transition: all 0.3s ease;
}

.button:hover {
	background-color: var(--color-primary-hover);
	color: var(--color-surface);
	transform: translateY(-2px);
	box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* ==================== HERO ==================== */
.hero {
	min-height: 100vh;
	display: flex;
	align-items: center;
	padding-top: var(--header-height);
	overflow: hidden; /* To hide elements before animation */
}

.hero__container {
	display: grid;
	align-items: center;
	gap: 3rem;
}

@media (min-width: 992px) {
	.hero__container {
		grid-template-columns: 1fr 1fr;
	}
}

.hero__title {
	font-size: 1.5rem;
	line-height: 1.2;
	margin-bottom: 1rem;
}

@media (min-width: 768px) {
	.hero__title {
		font-size: 2.5rem;
	}
}

.hero__description {
	font-size: 1.1rem;
	color: var(--color-text-light);
	margin-bottom: 2rem;
	max-width: 500px;
}

.hero__image-wrapper {
	display: flex;
	justify-content: center;
	align-items: center;
}

.hero__image {
	border-radius: 12px;
	max-width: 450px;
	width: 100%;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Hero Animation */
.hero__title,
.hero__description,
.hero__cta,
.hero__image-wrapper {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.hero.is-visible .hero__title {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.2s;
}

.hero.is-visible .hero__description {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.4s;
}

.hero.is-visible .hero__cta {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.6s;
}

.hero.is-visible .hero__image-wrapper {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.3s;
}

/* ==================== REUSABLE SECTION STYLES ==================== */
.section {
	padding: 5rem 0;
}

.section:nth-of-type(odd) {
	background-color: var(--color-surface);
}

.section__header {
	text-align: center;
	margin-bottom: 3.5rem;
	max-width: 650px;
	margin-left: auto;
	margin-right: auto;
}

.section__title {
	font-size: 2.25rem;
	margin-bottom: 0.75rem;
}

.section__subtitle {
	font-size: 1.1rem;
	color: var(--color-text-light);
	line-height: 1.6;
}

/* ==================== STRATEGIES SECTION ==================== */
.strategies__grid {
	display: grid;
	gap: 2rem;
}

@media (min-width: 768px) {
	.strategies__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.strategy-card {
	background-color: var(--color-background);
	padding: 2.5rem 2rem;
	border: 1px solid var(--color-border);
	border-radius: 12px;
	text-align: center;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.strategy-card__icon {
	display: inline-flex;
	padding: 1rem;
	background-color: #eef2ff; /* A light blue shade */
	color: var(--color-primary);
	border-radius: 50%;
	margin-bottom: 1.5rem;
}

.strategy-card__icon i {
	width: 32px;
	height: 32px;
}

.strategy-card__title {
	font-size: 1.25rem;
	margin-bottom: 0.75rem;
}

.strategy-card__description {
	font-size: 0.95rem;
	color: var(--color-text-light);
	line-height: 1.7;
}

/* On-scroll Animation for cards */
.strategy-card {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.strategy-card.is-visible {
	opacity: 1;
	transform: translateY(0);
}

/* Staggered animation delay */
.strategy-card:nth-child(2).is-visible {
	transition-delay: 0.2s;
}
.strategy-card:nth-child(3).is-visible {
	transition-delay: 0.4s;
}

/* ==================== SKILLS SECTION ==================== */
.skills__container {
	display: grid;
	gap: 3rem;
	align-items: center;
}

@media (min-width: 992px) {
	.skills__container {
		grid-template-columns: 1fr 1fr;
	}
}

.skills__image-wrapper {
	display: flex;
	justify-content: center;
	align-items: center;
}

.skills__image {
	border-radius: 12px;
	max-width: 450px;
	width: 100%;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

@media (max-width: 991px) {
	.skills__image-wrapper {
		order: -1; /* Image will be on top on mobile */
	}
}

/* Accordion Styles */
.accordion__item {
	border-bottom: 1px solid var(--color-border);
	padding: 1rem 0;
}

.accordion__item:first-child {
	border-top: 1px solid var(--color-border);
}

.accordion__header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	cursor: pointer;
	gap: 1rem;
}

.accordion__title {
	font-size: 1.1rem;
	font-weight: 600;
}

.accordion__icon {
	transition: transform 0.4s ease;
	flex-shrink: 0; /* Prevents icon from shrinking */
}

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

.accordion__content p {
	padding-top: 1rem;
	font-size: 0.95rem;
	color: var(--color-text-light);
	line-height: 1.7;
}

/* Active state for accordion */
.accordion__item.is-open .accordion__icon {
	transform: rotate(180deg);
	color: var(--color-primary);
}

.accordion__item.is-open .accordion__content {
	/* Max height will be set by JS */
}

/* On-scroll Animation for skills section */
.skills__accordion,
.skills__image-wrapper {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.skills__accordion.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.2s;
}

.skills__image-wrapper.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition-delay: 0.4s;
}

/* ==================== TOOLS SECTION ==================== */
.tools__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
	max-width: 800px;
	margin: 0 auto;
}

@media (min-width: 768px) {
	.tools__grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 2rem;
	}
}

.tool-card {
	background-color: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 12px;
	height: 100px;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 1rem;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tool-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 15px rgba(0, 0, 0, 0.06);
}

.tool-card__name {
	font-family: var(--font-family-headings);
	font-weight: 600;
	font-size: 1.1rem;
	color: var(--color-text-light);
}

/* On-scroll Animation for tools */
.tool-card {
	opacity: 0;
	transform: scale(0.9);
	transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.tool-card.is-visible {
	opacity: 1;
	transform: scale(1);
}

/* Staggered animation delay */
.tool-card:nth-child(2).is-visible {
	transition-delay: 0.1s;
}
.tool-card:nth-child(3).is-visible {
	transition-delay: 0.2s;
}
.tool-card:nth-child(4).is-visible {
	transition-delay: 0.3s;
}
.tool-card:nth-child(5).is-visible {
	transition-delay: 0.4s;
}
.tool-card:nth-child(6).is-visible {
	transition-delay: 0.5s;
}

/* ==================== CASES SECTION ==================== */
.cases__container {
	display: grid;
	gap: 2rem;
}

@media (min-width: 992px) {
	.cases__container {
		grid-template-columns: 1fr 1fr;
	}
}

.case-card {
	background-color: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 12px;
	padding: 2.5rem 2rem;
	display: flex;
	flex-direction: column;
	height: 100%; /* Makes cards in a row equal height */
}

.case-card__icon {
	color: var(--color-primary);
	opacity: 0.5;
	width: 36px;
	height: 36px;
	margin-bottom: 1rem;
}

.case-card__quote {
	font-size: 1rem;
	line-height: 1.7;
	color: var(--color-text);
	flex-grow: 1; /* Pushes author to the bottom */
	margin-bottom: 1.5rem;
}

.case-card__author {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1.5rem;
	border-top: 1px solid var(--color-border);
	padding-top: 1.5rem;
}

.case-card__avatar {
	width: 50px;
	height: 50px;
	border-radius: 50%;
	overflow: hidden;
	flex-shrink: 0;
}

.case-card__avatar img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.case-card__name {
	font-size: 1.1rem;
	font-weight: 700;
	margin-bottom: 0.1rem;
}

.case-card__role {
	font-size: 0.9rem;
	color: var(--color-text-light);
}

.case-card__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.tag {
	display: inline-block;
	background-color: #eef2ff; /* Light blue */
	color: var(--color-primary);
	padding: 0.25rem 0.75rem;
	border-radius: 16px;
	font-size: 0.8rem;
	font-weight: 600;
}

/* On-scroll Animation for cases */
.case-card {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.case-card.is-visible {
	opacity: 1;
	transform: translateY(0);
}

.case-card:nth-child(2).is-visible {
	transition-delay: 0.2s;
}

/* ==================== CONTACT SECTION ==================== */
.contact__container {
	display: grid;
	gap: 3rem;
	background-color: var(--color-surface);
	padding: 2.5rem;
	border-radius: 16px;
	border: 1px solid var(--color-border);
}

@media (min-width: 992px) {
	.contact__container {
		grid-template-columns: 1fr 1.2fr;
		padding: 4rem;
		gap: 4rem;
	}
}

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

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

.contact__info-details {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.contact__info-item {
	display: flex;
	align-items: center;
	gap: 1rem;
}

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

.contact__info-item a {
	font-weight: 600;
	color: var(--color-text);
}
.contact__info-item a:hover {
	color: var(--color-primary);
}

/* Form Styles */
.contact-form {
	display: grid;
	gap: 1.5rem;
}

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

.form-label {
	font-size: 0.9rem;
	font-weight: 600;
	margin-bottom: 0.5rem;
	color: var(--color-text-light);
}

.form-input {
	width: 100%;
	padding: 0.85rem 1rem;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	font-size: 1rem;
	font-family: var(--font-family-body);
	transition: border-color 0.3s, box-shadow 0.3s;
}

.form-input:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-group--checkbox {
	flex-direction: row;
	align-items: flex-start;
	gap: 0.75rem;
	font-size: 0.9rem;
	color: var(--color-text-light);
}

.form-group--checkbox input[type='checkbox'] {
	margin-top: 4px;
	width: 1.25em;
	height: 1.25em;
	accent-color: var(--color-primary);
}

.contact-form__button {
	width: 100%;
	justify-content: center;
}

.contact__form-wrapper {
	position: relative;
}

.form-message {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: var(--color-surface);
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s, visibility 0.4s;
}

.form-message.is-visible {
	opacity: 1;
	visibility: visible;
}

.form-message i {
	width: 48px;
	height: 48px;
	color: #10b981; /* Green */
	margin-bottom: 1rem;
}

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

.form-message p {
	color: var(--color-text-light);
}

/* ==================== COOKIE POP-UP ==================== */
.cookie-banner {
	position: fixed;
	bottom: -100%; /* Initially hidden */
	left: 0;
	width: 100%;
	background-color: var(--color-surface);
	box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
	padding: 1.5rem;
	z-index: 200;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	gap: 1rem;
	transition: bottom 0.5s ease-in-out;
}

@media (min-width: 768px) {
	.cookie-banner {
		flex-direction: row;
		justify-content: center;
		text-align: left;
		padding: 1.5rem 2rem;
	}
}

.cookie-banner.is-visible {
	bottom: 0;
}

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

.cookie-banner__text a {
	font-weight: 700;
	text-decoration: underline;
}

.cookie-banner__button {
	padding: 0.6rem 1.5rem;
	flex-shrink: 0;
}

/* ==================== STYLES FOR POLICY PAGES ==================== */
.pages {
	padding: calc(var(--header-height) + 4rem) 0 5rem 0;
}

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

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

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

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

.pages a {
	font-weight: 600;
	text-decoration: underline;
}

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

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

.pages strong {
	color: var(--color-text);
	font-weight: 700;
}