/* =========== GOOGLE FONTS =========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Plus+Jakarta+Sans:wght@700;800&display=swap');

/* =========== CSS VARIABLES =========== */
:root {
	/* Colors */
	--color-background: #111827;
	--color-surface: #1f2937;
	--color-primary: #3b82f6;
	--color-primary-hover: #2563eb;
	--color-text-primary: #f9fafb;
	--color-text-secondary: #9ca3af;
	--color-border: #374151;

	/* Typography */
	--font-family-headings: 'Plus Jakarta Sans', sans-serif;
	--font-family-body: 'Inter', sans-serif;

	/* Other */
	--container-width: 1140px;
	--border-radius: 8px;
	--transition-duration: 0.3s;
}

/* =========== GLOBAL STYLES & RESET =========== */
*,
*::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;
	background-color: var(--color-background);
	color: var(--color-text-primary);
	-webkit-font-smoothing: antialiased;
}

ul {
	list-style: none;
}

a {
	text-decoration: none;
	color: inherit;
}

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

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

.container {
	max-width: var(--container-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: 1.5rem;
	padding-right: 1.5rem;
}

/* =========== HEADER =========== */
.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background-color: rgba(17, 24, 39, 0.8);
	backdrop-filter: blur(10px);
	z-index: 100;
	border-bottom: 1px solid var(--color-border);
	transition: background-color var(--transition-duration) ease;
}

.header__container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 80px;
}

.logo {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-family-headings);
	font-weight: 800;
	font-size: 1.5rem;
	color: var(--color-text-primary);
}

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

.nav__link {
	font-weight: 500;
	color: var(--color-text-secondary);
	transition: color var(--transition-duration) ease;
	padding: 0.5rem 0;
	position: relative;
}

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

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

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

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

/* =========== 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(4, 1fr);
	gap: 2rem;
	padding-bottom: 4rem;
}

.footer__column--about {
	grid-column: span 1;
}

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

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

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

.footer__link {
	color: var(--color-text-secondary);
	transition: color var(--transition-duration) ease;
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
}

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

.footer__icon {
	width: 18px;
	height: 18px;
}

.footer__bottom {
	padding: 1.5rem 0;
	border-top: 1px solid var(--color-border);
	text-align: center;
	font-size: 0.9rem;
	color: var(--color-text-secondary);
}

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

@media (max-width: 768px) {
	.nav {
		position: fixed;
		top: 80px;
		left: -100%;
		width: 100%;
		height: calc(100vh - 80px);
		background-color: var(--color-background);
		transition: left var(--transition-duration) ease-in-out;
	}

	.nav--active {
		left: 0;
	}

	.nav__list {
		flex-direction: column;
		justify-content: center;
		align-items: center;
		height: 100%;
		gap: 2.5rem;
	}

	.nav__link {
		font-size: 1.5rem;
	}

	.header__burger {
		display: block;
	}
}

@media (max-width: 576px) {
	.footer__container {
		grid-template-columns: 1fr;
		text-align: center;
	}
	.footer__logo,
	.footer__list {
		justify-content: center;
	}
	.footer__description {
		margin-left: auto;
		margin-right: auto;
	}
}

/* =========== BUTTONS =========== */
.button {
	display: inline-block;
	padding: 0.875rem 2rem;
	font-family: var(--font-family-body);
	font-weight: 500;
	font-size: 1rem;
	border-radius: var(--border-radius);
	transition: background-color var(--transition-duration) ease,
		transform var(--transition-duration) ease;
	text-align: center;
}

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

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

/* =========== HERO SECTION =========== */
.hero {
	min-height: 100vh;
	display: flex;
	align-items: center;
	padding-top: 80px; /* Header height */
	position: relative;
	overflow: hidden;
}

.hero::before {
	content: '';
	position: absolute;
	top: -20%;
	left: -20%;
	width: 800px;
	height: 800px;
	background: radial-gradient(circle, rgba(59, 130, 246, 0.1), transparent 70%);
	z-index: 0;
	pointer-events: none;
}

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

.hero__content {
	max-width: 800px;
}

.hero__title {
	font-family: var(--font-family-headings);
	font-size: 3.5rem;
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 1.5rem;
}

.hero__description {
	font-size: 1.125rem;
	color: var(--color-text-secondary);
	margin-bottom: 2.5rem;
	max-width: 800px;
}

/* -- Animation styles -- */
.hero__content > * {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.hero__content--visible > * {
	opacity: 1;
	transform: translateY(0);
}

/* Staggered delay for children */
.hero__content--visible .hero__title {
	transition-delay: 0.2s;
}
.hero__content--visible .hero__description {
	transition-delay: 0.4s;
}
.hero__content--visible .button {
	transition-delay: 0.6s;
}

/* =========== RESPONSIVE STYLES (Hero) =========== */
@media (max-width: 768px) {
	.hero {
		text-align: center;
		min-height: 80vh;
	}
	.hero__content {
		margin-left: auto;
		margin-right: auto;
	}
	.hero__title {
		font-size: 2.5rem;
	}
	.hero__description {
		font-size: 1rem;
		margin-left: auto;
		margin-right: auto;
	}
}

/* =========== REUSABLE SECTION STYLES =========== */
.section {
	padding-top: 6rem;
	padding-bottom: 6rem;
}

.section-header {
	text-align: center;
	max-width: 700px;
	margin: 0 auto 4rem auto;
}

.section-header__title {
	font-family: var(--font-family-headings);
	font-size: 2.5rem;
	font-weight: 700;
	margin-bottom: 1rem;
}

.section-header__subtitle {
	font-size: 1.125rem;
	color: var(--color-text-secondary);
	line-height: 1.7;
}

/* =========== ANALYTICS SECTION =========== */
.analytics {
	background-color: var(--color-surface);
}

.analytics__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 2rem;
}

.analytics-card {
	background-color: var(--color-background);
	padding: 2.5rem 2rem;
	border-radius: var(--border-radius);
	border: 1px solid var(--color-border);
	transition: transform var(--transition-duration) ease,
		box-shadow var(--transition-duration) ease,
		border-color var(--transition-duration) ease;
}

.analytics-card:hover {
	transform: translateY(-5px);
	border-color: var(--color-primary);
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.analytics-card__icon {
	width: 50px;
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--color-primary);
	color: var(--color-text-primary);
	border-radius: var(--border-radius);
	margin-bottom: 1.5rem;
}

.analytics-card__icon i {
	width: 28px;
	height: 28px;
}

.analytics-card__title {
	font-family: var(--font-family-headings);
	font-size: 1.5rem;
	margin-bottom: 0.75rem;
}

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

/* =========== RESPONSIVE STYLES (Analytics) =========== */
@media (max-width: 992px) {
	.analytics__grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 768px) {
	.section {
		padding-top: 4rem;
		padding-bottom: 4rem;
	}
	.section-header__title {
		font-size: 2rem;
	}
	.section-header__subtitle {
		font-size: 1rem;
	}
}

/* =========== STRATEGIES SECTION =========== */
.strategies__timeline {
	position: relative;
	max-width: 800px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 2rem;
}

.strategies__timeline::before {
	content: '';
	position: absolute;
	top: 20px;
	left: 50%;
	transform: translateX(-50%);
	width: 2px;
	height: calc(100% - 40px);
	background-color: var(--color-border);
}

.timeline-item {
	position: relative;
	width: calc(50% - 3rem);
}

.timeline-item:nth-child(odd) {
	align-self: flex-start;
}

.timeline-item:nth-child(even) {
	align-self: flex-end;
}

.timeline-item::after {
	content: '';
	position: absolute;
	top: 20px;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background-color: var(--color-background);
	border: 3px solid var(--color-primary);
}

.timeline-item:nth-child(odd)::after {
	right: -3rem;
	transform: translateX(50%);
}

.timeline-item:nth-child(even)::after {
	left: -3rem;
	transform: translateX(-50%);
}

.timeline-item__content {
	background-color: var(--color-surface);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	border: 1px solid var(--color-border);
}

.timeline-item__number {
	font-family: var(--font-family-headings);
	font-size: 2.5rem;
	font-weight: 800;
	color: var(--color-primary);
	line-height: 1;
}

.timeline-item__title {
	font-family: var(--font-family-headings);
	font-size: 1.25rem;
	margin: 0.5rem 0;
}

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

/* =========== RESPONSIVE STYLES (Strategies) =========== */
@media (max-width: 768px) {
	.strategies__timeline::before {
		left: 8px;
		transform: translateX(0);
	}
	.timeline-item {
		width: 100%;
		padding-left: 3rem;
		align-self: flex-start !important; /* Override inline style */
	}
	.timeline-item:nth-child(odd),
	.timeline-item:nth-child(even) {
		align-self: flex-start;
	}

	.timeline-item::after {
		left: 8px;
		transform: translateX(-50%);
	}

	.timeline-item:nth-child(odd)::after,
	.timeline-item:nth-child(even)::after {
		left: 8px;
		transform: translateX(-50%);
	}

	/* For animation consistency on mobile */
	.timeline-item[data-aos='fade-right'] {
		transform: none;
	}
	.timeline-item[data-aos='fade-left'] {
		transform: none;
	}
}

/* =========== CASES SECTION =========== */
.cases {
	background-color: var(--color-surface);
}

.cases__container {
	display: flex;
	flex-direction: column;
	gap: 4rem;
}

.case-study {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	align-items: center;
	gap: 3rem;
	background-color: var(--color-background);
	border: 1px solid var(--color-border);
	border-radius: var(--border-radius);
	overflow: hidden;
}

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

.case-study__content {
	padding: 2.5rem;
}

/* Modifier for reversed layout */
.case-study--reversed .case-study__image {
	order: 2;
}
.case-study--reversed .case-study__content {
	order: 1;
}

.case-study__tag {
	display: inline-block;
	background-color: var(--color-primary);
	color: var(--color-text-primary);
	padding: 0.25rem 0.75rem;
	border-radius: 99px; /* Pill shape */
	font-size: 0.8rem;
	font-weight: 500;
	margin-bottom: 1rem;
}

.case-study__title {
	font-family: var(--font-family-headings);
	font-size: 1.75rem;
	margin-bottom: 1rem;
}

.case-study__details p {
	color: var(--color-text-secondary);
	margin-bottom: 1rem;
}

.case-study__details p strong {
	color: var(--color-text-primary);
}

.case-study__results {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
	background-color: var(--color-surface);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	margin-top: 2rem;
	text-align: center;
}

.result-item__value {
	display: block;
	font-family: var(--font-family-headings);
	font-size: 2rem;
	font-weight: 700;
	color: var(--color-primary);
}

.result-item__label {
	font-size: 0.8rem;
	color: var(--color-text-secondary);
}

/* =========== RESPONSIVE STYLES (Cases) =========== */
@media (max-width: 992px) {
	.case-study {
		grid-template-columns: 1fr;
	}
	.case-study--reversed .case-study__image,
	.case-study--reversed .case-study__content {
		order: initial; /* Reset order for stacking */
	}
	.case-study__content {
		padding: 2rem;
	}
	.case-study__image {
		max-height: 300px;
	}
}

@media (max-width: 576px) {
	.case-study__title {
		font-size: 1.5rem;
	}
	.case-study__results {
		grid-template-columns: 1fr;
		gap: 1.5rem;
		text-align: left;
	}
	.result-item {
		display: flex;
		align-items: center;
		gap: 1rem;
	}
	.result-item__value {
		font-size: 1.75rem;
	}
}

/* =========== PROCESS SECTION =========== */
.process__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 2rem;
	align-items: flex-start;
}

.process-step {
	text-align: center;
	position: relative;
}

.process-step__icon-wrapper {
	width: 70px;
	height: 70px;
	margin: 0 auto 1.5rem auto;
	border-radius: 50%;
	background-color: var(--color-surface);
	border: 1px solid var(--color-border);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-primary);
	transition: background-color var(--transition-duration) ease,
		color var(--transition-duration) ease;
}

.process-step:hover .process-step__icon-wrapper {
	background-color: var(--color-primary);
	color: var(--color-text-primary);
}

.process-step__icon-wrapper i {
	width: 32px;
	height: 32px;
}

.process-step__title {
	font-family: var(--font-family-headings);
	font-size: 1.25rem;
	margin-bottom: 0.5rem;
}

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

/* Arrow connector for desktop */
@media (min-width: 993px) {
	.process-step:not(:last-child)::after {
		content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23374151' stroke-width='1' stroke-linecap='round' stroke-linejoin='round' class='lucide lucide-arrow-right'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m12 5 7 7-7 7'/%3E%3C/svg%3E");
		position: absolute;
		top: 35px; /* Vertically center with icon */
		right: -2rem; /* Position between cards */
		transform: translateY(-50%) scale(1.5);
		opacity: 0.5;
	}
}

/* =========== RESPONSIVE STYLES (Process) =========== */
@media (max-width: 992px) {
	.process__grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 3rem 2rem;
	}
}

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

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

.contact__grid {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: 4rem;
	align-items: center;
}

.contact__info-title {
	font-family: var(--font-family-headings);
	font-size: 1.75rem;
	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__form-wrapper {
	background-color: var(--color-background);
	padding: 2.5rem;
	border-radius: var(--border-radius);
	border: 1px solid var(--color-border);
}

.form-group {
	margin-bottom: 1.5rem;
}

.form-label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 500;
	font-size: 0.9rem;
	color: var(--color-text-secondary);
}

.form-input {
	width: 100%;
	padding: 0.875rem 1rem;
	background-color: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--border-radius);
	color: var(--color-text-primary);
	font-size: 1rem;
	transition: border-color var(--transition-duration) ease,
		box-shadow var(--transition-duration) ease;
}

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

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

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

.form-button {
	width: 100%;
}

.form-success-message {
	display: none; /* Initially hidden */
	text-align: center;
	padding: 2rem;
}

.form-success-message__icon {
	color: #10b981; /* Green color for success */
	margin-bottom: 1rem;
}
.form-success-message__icon i {
	width: 50px;
	height: 50px;
}
.form-success-message__title {
	font-family: var(--font-family-headings);
	font-size: 1.75rem;
}
.form-success-message__text {
	color: var(--color-text-secondary);
}

/* =========== RESPONSIVE STYLES (Contact) =========== */
@media (max-width: 992px) {
	.contact__grid {
		grid-template-columns: 1fr;
		gap: 3rem;
	}
}

/* =========== COOKIE POPUP =========== */
.cookie-popup {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	background-color: var(--color-surface);
	border-top: 1px solid var(--color-border);
	padding: 1.5rem;
	z-index: 200;
	transform: translateY(100%);
	transition: transform 0.5s ease-in-out;
}

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

.cookie-popup__content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	max-width: var(--container-width);
	margin: 0 auto;
	gap: 1.5rem;
}

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

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

.cookie-popup__button {
	padding: 0.75rem 1.5rem;
	white-space: nowrap;
}

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

/* =========== POLICY PAGES STYLES =========== */
.pages {
	padding-top: calc(80px + 4rem); /* Header height + padding */
	padding-bottom: 4rem;
}

.pages .container {
	max-width: 800px; /* Optimal width for reading */
}

.pages h1,
.pages h2,
.pages h3 {
	font-family: var(--font-family-headings);
	margin-bottom: 1rem;
}

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

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

.pages p {
	color: var(--color-text-secondary);
	line-height: 1.7;
	margin-bottom: 1.5rem;
}

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

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

.pages ul,
.pages ol {
	color: var(--color-text-secondary);
	padding-left: 1.5rem;
	margin-bottom: 1.5rem;
}

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

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