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

/* CSS VARIABLES */
:root {
	--color-bg: #0d1b2a;
	--color-text: #e0e1dd;
	--color-primary: #14f4d4;
	--color-secondary: #415a77;
	--color-muted: #778da9;
	--font-family-headings: 'Roboto Mono', monospace;
	--font-family-body: 'Roboto', sans-serif;
	--container-width: 1200px;
	--header-height: 80px;
}

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

html {
	scroll-behavior: smooth;
}

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

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

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

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

ul {
	list-style: none;
}

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

/* UTILITY CLASSES */
.container {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 20px;
}

/* LOGO */
.logo {
	display: flex;
	align-items: center;
	gap: 10px;
	font-family: var(--font-family-headings);
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--color-text);
}

.logo__img {
	width: 32px;
	height: 32px;
}

/* HEADER */
.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: var(--header-height);
	background-color: rgba(13, 27, 42, 0.8);
	backdrop-filter: blur(10px);
	z-index: 100;
	border-bottom: 1px solid var(--color-secondary);
}

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

.header__nav {
	display: flex;
}

.nav__list {
	display: flex;
	align-items: center;
	gap: 30px;
}

.nav__link {
	color: var(--color-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-primary);
	transition: width 0.3s ease;
}

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

.nav__link--button {
	background-color: var(--color-primary);
	color: var(--color-bg);
	padding: 10px 20px;
	border-radius: 5px;
	border: 2px solid var(--color-primary);
	transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

/* MAIN CONTENT */
.main {
	padding-top: var(--header-height);
}

/* FOOTER */
.footer {
	background-color: #0a1421;
	padding: 60px 0 20px;
	border-top: 1px solid var(--color-secondary);
}

.footer__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 40px;
	margin-bottom: 40px;
}

.footer__description {
	color: var(--color-muted);
	margin-top: 15px;
}

.footer__title {
	font-size: 1.2rem;
	margin-bottom: 20px;
}

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

.footer__list--contact {
	gap: 15px;
}

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

.footer__link--icon {
	display: flex;
	align-items: flex-start;
	gap: 10px;
}

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

.footer__address {
	font-style: normal;
}

.footer__bottom {
	text-align: center;
	color: var(--color-muted);
	padding-top: 20px;
	border-top: 1px solid var(--color-secondary);
	font-size: 0.9rem;
}

/* RESPONSIVE (Mobile-First) */
@media (max-width: 768px) {
	.nav {
		position: fixed;
		top: var(--header-height);
		left: 0;
		width: 100%;
		height: calc(100vh - var(--header-height));
		background-color: var(--color-bg);
		flex-direction: column;
		justify-content: center;
		align-items: center;
		transform: translateX(100%);
		transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
	}

	.nav--active {
		transform: translateX(0);
	}

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

	.nav__link {
		font-size: 1.5rem;
	}

	.header__burger {
		display: block;
		z-index: 101; /* Поверх навігації */
	}
}

/* ==================== BUTTONS ==================== */
.button {
	display: inline-block;
	background-color: var(--color-primary);
	color: var(--color-bg);
	padding: 14px 32px;
	border-radius: 5px;
	font-weight: 500;
	font-family: var(--font-family-headings);
	border: 2px solid var(--color-primary);
	transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

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

/* ==================== HERO ==================== */
.hero {
	display: flex;
	align-items: center;
	padding: 80px 0;
	min-height: calc(100vh - var(--header-height));
	overflow: hidden;
}

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

.hero__content {
	text-align: center;
}

.hero__title {
	font-size: 1.5rem;
	margin-bottom: 20px;
	line-height: 1.3;
	min-height: 94px;
}

.hero__title--animated {
	color: var(--color-primary);
	position: relative;
}

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

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

.hero__subtitle {
	font-size: 1.1rem;
	color: var(--color-muted);
	max-width: 600px;
	margin: 0 auto 30px;
}

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

.hero__image-bg {
	position: absolute;
	width: 80%;
	padding-bottom: 80%;
	background: radial-gradient(
		circle,
		var(--color-secondary) 0%,
		rgba(65, 90, 119, 0) 70%
	);
	filter: blur(20px);
	z-index: -1;
}

.hero__image {
	width: 100%;
	max-width: 450px;
	border-radius: 15px;
	animation: float 4s ease-in-out infinite;
}

@keyframes float {
	0% {
		transform: translateY(0px);
	}
	50% {
		transform: translateY(-15px);
	}
	100% {
		transform: translateY(0px);
	}
}

/* Responsive styles for Hero */
@media (min-width: 992px) {
	.hero__container {
		grid-template-columns: 1.2fr 1fr;
		gap: 80px;
	}
	.hero__content {
		text-align: left;
	}
	.hero__title {
		font-size: 2.5rem;
		min-height: 156px;
	}
	.hero__subtitle {
		margin: 0 0 40px;
	}
}

/* ==================== REUSABLE SECTION HEADER ==================== */
.section-header {
	text-align: center;
	margin-bottom: 60px;
}

.section-header__title {
	font-size: 2.2rem;
	margin-bottom: 15px;
}

.section-header__subtitle {
	font-size: 1.1rem;
	color: var(--color-muted);
	max-width: 700px;
	margin: 0 auto;
}

@media (min-width: 768px) {
	.section-header__title {
		font-size: 2.8rem;
	}
}

/* ==================== SOLUTIONS ==================== */
.solutions {
	padding: 80px 0;
}

.solutions__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 30px;
}

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

@media (min-width: 992px) {
	.solutions__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.solutions__card {
	background-color: #1b263b; /* Slightly lighter than main bg */
	border: 1px solid var(--color-secondary);
	border-radius: 10px;
	padding: 30px;
	text-align: center;
	transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.solutions__card:hover {
	transform: translateY(-10px);
	border-color: var(--color-primary);
	box-shadow: 0 10px 30px rgba(20, 244, 212, 0.1);
}

.solutions__card-icon {
	margin: 0 auto 20px;
	width: 60px;
	height: 60px;
	background-color: var(--color-secondary);
	border-radius: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
}

.solutions__card-icon i {
	width: 32px;
	height: 32px;
	color: var(--color-primary);
}

.solutions__card-title {
	font-size: 1.5rem;
	margin-bottom: 15px;
}

.solutions__card-description {
	color: var(--color-muted);
}

/* ==================== FEATURES (ACCORDION) ==================== */
.features {
	padding: 80px 0;
	background-color: #0a1421; /* Darker background for contrast */
}

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

@media (min-width: 992px) {
	.features__container {
		grid-template-columns: 1fr 1.2fr;
	}
}

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

.features__image {
	border-radius: 10px;
	border: 1px solid var(--color-secondary);
}

/* Align section header to the left for this specific section */
.features .section-header {
	text-align: left;
	margin-bottom: 40px;
}

.features .section-header__subtitle {
	margin-left: 0;
}

/* Accordion styles */
.accordion__item {
	border-bottom: 1px solid var(--color-secondary);
}
.accordion__item:first-child {
	border-top: 1px solid var(--color-secondary);
}

.accordion__header {
	width: 100%;
	background: none;
	border: none;
	padding: 20px 0;
	display: flex;
	align-items: center;
	gap: 15px;
	cursor: pointer;
	text-align: left;
}

.accordion__icon {
	color: var(--color-primary);
	width: 24px;
	height: 24px;
	flex-shrink: 0;
}

.accordion__title {
	flex-grow: 1;
	font-family: var(--font-family-headings);
	color: var(--color-text);
	font-size: 1.2rem;
}

.accordion__chevron {
	color: var(--color-muted);
	transition: transform 0.3s ease;
}

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

.accordion__content p {
	padding: 0 0 20px 39px; /* Align with title */
	color: var(--color-muted);
}

/* Active state for accordion */
.accordion__item.active .accordion__chevron {
	transform: rotate(180deg);
}

.accordion__item.active .accordion__content {
	max-height: 200px; /* Adjust if content is larger */
}

/* ==================== TECHNOLOGY ==================== */
.tech {
	padding: 80px 0;
}

.tech__timeline {
	position: relative;
	display: grid;
	grid-template-columns: 1fr;
	gap: 40px;
}

/* The connecting line */
.tech__timeline::before {
	content: '';
	position: absolute;
	top: 30px;
	left: 29px; /* (60px icon width / 2) - 1px line width */
	width: 2px;
	height: calc(100% - 60px);
	background-color: var(--color-secondary);
}

.tech__step {
	display: flex;
	gap: 20px;
	align-items: flex-start;
	position: relative;
}

.tech__icon-wrapper {
	flex-shrink: 0;
	width: 60px;
	height: 60px;
	border-radius: 50%;
	background-color: var(--color-secondary);
	display: flex;
	justify-content: center;
	align-items: center;
	border: 3px solid var(--color-bg);
	position: relative;
	z-index: 1;
}

.tech__icon {
	width: 28px;
	height: 28px;
	color: var(--color-primary);
}

.tech__step-number {
	position: absolute;
	top: -10px;
	right: -10px;
	background-color: var(--color-primary);
	color: var(--color-bg);
	width: 24px;
	height: 24px;
	border-radius: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
	font-weight: 700;
	font-family: var(--font-family-headings);
	font-size: 0.8rem;
	border: 2px solid var(--color-bg);
}

.tech__title {
	font-size: 1.5rem;
	margin-bottom: 10px;
}

.tech__description {
	color: var(--color-muted);
}

@media (min-width: 768px) {
	.tech__timeline {
		grid-template-columns: repeat(2, 1fr);
		gap: 60px 40px;
	}

	/* Hide the vertical line on larger screens */
	.tech__timeline::before {
		display: none;
	}

	/* Create horizontal lines instead */
	.tech__step:not(:nth-child(2n))::after {
		content: '';
		position: absolute;
		top: 30px;
		right: -20px; /* Half of the gap */
		width: 40px; /* gap width */
		height: 2px;
		background: var(--color-secondary);
	}
}

@media (min-width: 992px) {
	.tech__timeline {
		grid-template-columns: repeat(4, 1fr);
	}
	.tech__step:not(:last-child)::after {
		content: '';
		position: absolute;
		top: 30px;
		right: -20px;
		width: 40px;
		height: 2px;
		background: repeating-linear-gradient(
			90deg,
			var(--color-secondary),
			var(--color-secondary) 5px,
			transparent 5px,
			transparent 10px
		);
	}
	.tech__step:nth-child(2n)::after {
		display: block;
	}
	.tech__step:nth-child(2)::after {
		right: -20px;
	}
}

/* ==================== ABOUT ==================== */
.about {
	padding: 80px 0;
	background-color: #0a1421; /* Darker background for contrast */
}

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

@media (min-width: 992px) {
	.about__container {
		grid-template-columns: 1fr 1.2fr;
	}
}

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

.about__image {
	border-radius: 10px;
	border: 1px solid var(--color-secondary);
}

.about .section-header {
	text-align: left;
	margin-bottom: 30px;
}

.about .section-header__subtitle {
	margin-left: 0;
}

.about__stats-list {
	display: flex;
	flex-direction: column;
	gap: 25px;
	margin-bottom: 40px;
}

.about__stats-item {
	display: flex;
	align-items: flex-start;
	gap: 20px;
}

.stats-item__icon {
	flex-shrink: 0;
	width: 32px;
	height: 32px;
	color: var(--color-primary);
	margin-top: 5px;
}

.about__stats-item strong {
	font-family: var(--font-family-headings);
	font-size: 1.2rem;
	color: var(--color-text);
}

.about__stats-item p {
	color: var(--color-muted);
}

/* ==================== CONTACT FORM ==================== */
.contact {
	padding: 80px 0;
}

.contact__container {
	max-width: 700px; /* Limit width for better form readability */
	margin: 0 auto;
}

.contact__form {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
}

.form__group {
	position: relative;
}

.form__input {
	width: 100%;
	padding: 15px 20px 15px 50px; /* Space for icon */
	background-color: #1b263b;
	border: 1px solid var(--color-secondary);
	border-radius: 5px;
	color: var(--color-text);
	font-size: 1rem;
	font-family: var(--font-family-body);
	transition: border-color 0.3s ease;
}

.form__input:focus {
	outline: none;
	border-color: var(--color-primary);
}

.form__icon {
	position: absolute;
	top: 50%;
	left: 15px;
	transform: translateY(-50%);
	color: var(--color-muted);
	transition: color 0.3s ease;
}

.form__input:focus ~ .form__icon {
	color: var(--color-primary);
}

.form__label {
	position: absolute;
	top: 50%;
	left: 50px;
	transform: translateY(-50%);
	color: var(--color-muted);
	background-color: #1b263b;
	padding: 0 5px;
	transition: all 0.3s ease;
	pointer-events: none;
}

.form__input:focus ~ .form__label,
.form__input:not(:placeholder-shown) ~ .form__label {
	top: 0;
	left: 45px;
	font-size: 0.8rem;
	color: var(--color-primary);
}

.form__group--checkbox {
	display: flex;
	align-items: center;
	gap: 10px;
}

.form__checkbox-input {
	width: 20px;
	height: 20px;
}

.form__checkbox-label {
	color: var(--color-muted);
	font-size: 0.9rem;
}

.form__checkbox-label a {
	color: var(--color-primary);
	text-decoration: underline;
}

.form__button {
	width: 100%;
	padding: 18px;
	font-size: 1.1rem;
}

.form__success-message {
	display: none; /* Hidden by default */
	text-align: center;
	margin-top: 20px;
	padding: 20px;
	background-color: rgba(20, 244, 212, 0.1);
	border: 1px solid var(--color-primary);
	border-radius: 5px;
	color: var(--color-text);
}

@media (min-width: 768px) {
	.contact__form {
		grid-template-columns: repeat(2, 1fr);
	}
	.form__group:nth-child(3), /* Phone */
    .form__group:nth-child(4), /* Checkbox */
    .form__button {
		grid-column: 1 / -1; /* Span full width */
	}
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
	position: fixed;
	bottom: -100%; /* Initially hidden */
	left: 0;
	width: 100%;
	background-color: #1b263b;
	padding: 20px;
	box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
	border-top: 1px solid var(--color-secondary);
	z-index: 200;
	transition: bottom 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.cookie-popup--show {
	bottom: 0;
}

.cookie-popup__content {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	align-items: center;
	gap: 15px;
	max-width: var(--container-width);
	margin: 0 auto;
}

.cookie-popup__text {
	color: var(--color-muted);
	text-align: center;
}

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

.cookie-popup__button {
	padding: 10px 25px;
	flex-shrink: 0;
}

@media (min-width: 768px) {
	.cookie-popup__content {
		flex-direction: row;
	}
	.cookie-popup__text {
		text-align: left;
	}
}

/* ==================== POLICY & STATIC PAGES ==================== */
.pages {
	padding: 120px 0;
	min-height: calc(
		100vh - var(--header-height) - 250px
	); /* 250px is approx footer height */
}

.pages h1,
.pages h2 {
	font-family: var(--font-family-headings);
	color: var(--color-text);
	margin-bottom: 20px;
}

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: 30px;
	border-bottom: 1px solid var(--color-secondary);
	padding-bottom: 20px;
}

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

.pages p {
	font-size: 1rem;
	line-height: 1.7;
	color: var(--color-muted);
	margin-bottom: 20px;
}

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

.pages li {
	margin-bottom: 10px;
	color: var(--color-muted);
}

.pages a {
	color: var(--color-primary);
	text-decoration: underline;
	transition: color 0.3s ease;
}

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

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