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

/* ==================== CSS VARIABLES ==================== */
:root {
	/* Colors */
	--primary-color: #7e41ff;
	--background-color: #0d0d1a;
	--text-color: #ffffff;
	--secondary-text-color: #9ca3af;
	--container-color: #161625;

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

	--fs-h1: 2.5rem;
	--fs-h2: 2rem;
	--fs-h3: 1.5rem;
	--fs-normal: 1rem;
	--fs-small: 0.875rem;

	/* Spacing */
	--header-height: 5rem;
	--spacing-1: 0.5rem;
	--spacing-2: 1rem;
	--spacing-3: 1.5rem;
	--spacing-4: 2rem;
	--spacing-5: 3rem;
	--spacing-6: 4rem;
}

@media screen and (min-width: 992px) {
	:root {
		--fs-h1: 3.5rem;
		--fs-h2: 2.5rem;
		--fs-h3: 2rem;
		--fs-normal: 1.125rem;
	}
}

/* ==================== BASE STYLES ==================== */
* {
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}

html {
	scroll-behavior: smooth;
}

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

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

ul {
	list-style: none;
}

a {
	text-decoration: none;
	color: var(--text-color);
}

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

/* ==================== REUSABLE CSS CLASSES ==================== */
.container {
	max-width: 1200px;
	margin-left: var(--spacing-2);
	margin-right: var(--spacing-2);
}

@media screen and (min-width: 1240px) {
	.container {
		margin-left: auto;
		margin-right: auto;
	}
}

/* ==================== HEADER ==================== */
.header {
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 100;
	background-color: rgba(13, 13, 26, 0.8);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header__container {
	height: var(--header-height);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.header__logo {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--font-headings);
	font-weight: 700;
	font-size: 1.25rem;
	color: var(--text-color);
	transition: color 0.3s ease;
}

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

.header__logo-svg {
	width: 24px;
	height: 24px;
}

.header__nav {
	display: none; /* Mobile first */
}

@media screen and (min-width: 768px) {
	.header__nav {
		display: block;
	}
}

.header__nav-list {
	display: flex;
	gap: var(--spacing-4);
}

.header__nav-link {
	font-size: var(--fs-small);
	font-weight: 500;
	color: var(--secondary-text-color);
	transition: color 0.3s ease;
	position: relative;
	padding-bottom: 0.25rem;
}

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

.header__nav-link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background-color: var(--primary-color);
	transform: scaleX(0);
	transform-origin: right;
	transition: transform 0.4s ease-in-out;
}

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

.header__menu-toggle {
	display: inline-flex;
	color: var(--text-color);
	background: none;
	border: none;
	cursor: pointer;
}

@media screen and (min-width: 768px) {
	.header__menu-toggle {
		display: none;
	}
}

/* ==================== MOBILE MENU ==================== */
.mobile-menu {
	position: fixed;
	top: var(--header-height);
	left: 0;
	width: 100%;
	height: calc(100vh - var(--header-height));
	background-color: var(--background-color);
	z-index: 99;
	transform: translateX(-100%);
	transition: transform 0.3s ease-in-out;
	overflow-y: auto;
}

.mobile-menu.is-active {
	transform: translateX(0);
}

.mobile-menu__container {
	padding: var(--spacing-4) var(--spacing-2);
}

.mobile-menu__nav {
	margin-bottom: var(--spacing-5);
}

.mobile-menu__nav-list {
	display: flex;
	flex-direction: column;
	gap: 0;
}

.mobile-menu__nav-item {
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu__nav-link {
	display: block;
	padding: var(--spacing-3) 0;
	font-size: var(--fs-normal);
	font-weight: 500;
	color: var(--text-color);
	transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-menu__nav-link:hover {
	color: var(--primary-color);
	padding-left: var(--spacing-2);
}

.mobile-menu__footer {
	margin-top: var(--spacing-5);
	padding-top: var(--spacing-4);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu__footer-title {
	font-size: var(--fs-normal);
	margin-bottom: var(--spacing-3);
	color: var(--text-color);
}

.mobile-menu__footer-links {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-2);
}

.mobile-menu__footer-link {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
	transition: color 0.3s ease;
}

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

.mobile-menu__contact {
	margin-top: var(--spacing-4);
	padding-top: var(--spacing-3);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu__contact-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-2);
	margin-bottom: var(--spacing-2);
}

.mobile-menu__contact-icon {
	width: 16px;
	height: 16px;
	color: var(--primary-color);
	flex-shrink: 0;
}

.mobile-menu__contact-link {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
	transition: color 0.3s ease;
}

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

.mobile-menu__contact-text {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
}

/* Hide mobile menu on desktop */
@media screen and (min-width: 768px) {
	.mobile-menu {
		display: none;
	}
}

/* Mobile menu overlay */
.mobile-menu-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 98;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

@media screen and (min-width: 768px) {
	.mobile-menu-overlay {
		display: none;
	}
}

/* ==================== FOOTER ==================== */
.footer {
	background-color: var(--container-color);
	padding-top: var(--spacing-6);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__container {
	display: grid;
	gap: var(--spacing-4);
}

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

@media screen and (min-width: 992px) {
	.footer__container {
		grid-template-columns: 2fr 1fr 1fr 1.5fr;
	}
}

.footer__logo {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--font-headings);
	font-weight: 700;
	font-size: 1.25rem;
	margin-bottom: var(--spacing-2);
}

.footer__logo-svg {
	width: 24px;
	height: 24px;
}

.footer__description {
	color: var(--secondary-text-color);
	font-size: var(--fs-small);
	max-width: 300px;
}

.footer__title {
	font-size: var(--fs-normal);
	margin-bottom: var(--spacing-3);
}

.footer__list li {
	margin-bottom: var(--spacing-2);
}

.footer__link {
	color: var(--secondary-text-color);
	font-size: var(--fs-small);
	transition: color 0.3s ease;
}

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

.footer__list--contacts li {
	display: flex;
	align-items: center;
	gap: var(--spacing-1);
}

.footer__contact-icon {
	width: 16px;
	height: 16px;
	color: var(--primary-color);
}

.footer__text {
	color: var(--secondary-text-color);
	font-size: var(--fs-small);
}

.footer__bottom {
	margin-top: var(--spacing-5);
	padding: var(--spacing-3) 0;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	text-align: center;
}

.footer__copy {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
}

/* ==================== HERO ==================== */
.hero {
	position: relative;
	height: 100vh;
	min-height: 600px;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	padding-top: var(--header-height);
}

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

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

.hero__content {
	max-width: 750px;
	margin: 0 auto;
}

.hero__title {
	font-size: var(--fs-h1);
	line-height: 1.2;
	margin-bottom: var(--spacing-3);
	color: var(--text-color);
}

.hero__subtitle {
	font-size: var(--fs-normal);
	color: var(--secondary-text-color);
	margin-bottom: var(--spacing-4);
	line-height: 1.7;
}

.hero__cta-button {
	display: inline-block;
	background-color: var(--primary-color);
	color: var(--text-color);
	padding: 1rem 2rem;
	border-radius: 8px;
	font-family: var(--font-headings);
	font-weight: 700;
	font-size: var(--fs-normal);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero__cta-button:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 20px rgba(126, 65, 255, 0.25);
}

/* Responsive */
@media screen and (max-width: 767px) {
	.hero {
		text-align: left;
	}
	.hero__content {
		text-align: left;
	}
	.hero__title {
		font-size: 2rem; /* Adjust h1 for mobile */
	}
	.hero__subtitle {
		font-size: 0.95rem;
	}
}

/* ==================== REUSABLE SECTION STYLES ==================== */
.section {
	padding: var(--spacing-6) 0;
	overflow: hidden; /* For AOS animations */
}

.section__header {
	text-align: center;
	max-width: 700px;
	margin: 0 auto var(--spacing-5);
}

.section__title {
	font-size: var(--fs-h2);
	margin-bottom: var(--spacing-2);
}

.section__subtitle {
	color: var(--secondary-text-color);
	font-size: var(--fs-normal);
}

/* ==================== NEURAL NETWORKS SECTION ==================== */
.neuro {
	background-color: var(--container-color);
}

.neuro__grid {
	display: grid;
	gap: var(--spacing-3);
}

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

.neuro-card {
	background-color: var(--background-color);
	padding: var(--spacing-4);
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	transition: transform 0.3s ease, border-color 0.3s ease;
}

.neuro-card:hover {
	transform: translateY(-5px);
	border-color: var(--primary-color);
}

.neuro-card__icon {
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: rgba(126, 65, 255, 0.1);
	border-radius: 8px;
	margin-bottom: var(--spacing-3);
	color: var(--primary-color);
}

.neuro-card__icon i {
	width: 24px;
	height: 24px;
}

.neuro-card__title {
	font-size: 1.25rem;
	margin-bottom: var(--spacing-1);
}

.neuro-card__description {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
	line-height: 1.7;
}

/* ==================== BIOTECHNOLOGY SECTION ==================== */
.biotech {
	/* Optional: can have a different background or be the same as body */
	background-color: var(--background-color);
}

.biotech__content {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-6);
}

.biotech__item {
	display: grid;
	align-items: center;
	gap: var(--spacing-4);
}

@media screen and (min-width: 768px) {
	.biotech__item {
		grid-template-columns: 1fr 1fr;
	}
	/* Reverse order for the second item */
	.biotech__item:nth-child(even) .biotech__image-wrapper {
		order: 2;
	}
}

.biotech__image-wrapper {
	background-color: var(--container-color);
	border-radius: 12px;
	overflow: hidden;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.biotech__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	aspect-ratio: 16 / 10;
}

.biotech__item-title {
	font-size: var(--fs-h3);
	margin-bottom: var(--spacing-2);
	position: relative;
	padding-left: var(--spacing-3);
}

/* Decorative line before the title */
.biotech__item-title::before {
	content: '';
	position: absolute;
	left: 0;
	top: 5px;
	bottom: 5px;
	width: 4px;
	background-color: var(--primary-color);
	border-radius: 2px;
}

.biotech__item-description {
	color: var(--secondary-text-color);
	line-height: 1.7;
}

/* ==================== QUANTUM COMPUTING SECTION ==================== */
.quantum {
	background-color: var(--container-color);
}

.quantum__grid {
	display: grid;
	gap: var(--spacing-5);
	align-items: center;
}

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

.quantum__image-wrapper {
	position: relative;
	border-radius: 12px;
	overflow: hidden;
}

.quantum__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	aspect-ratio: 1 / 1;
}

.quantum__features {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-4);
}

.feature-item {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-3);
	background-color: var(--background-color);
	padding: var(--spacing-3);
	border-radius: 8px;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-item__icon {
	flex-shrink: 0;
	width: 44px;
	height: 44px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: rgba(126, 65, 255, 0.1);
	border-radius: 50%;
	color: var(--primary-color);
}

.feature-item__icon i {
	width: 20px;
	height: 20px;
}

.feature-item__title {
	font-size: 1.125rem;
	margin-bottom: 0.5rem;
}

.feature-item__description {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
	line-height: 1.6;
}

/* ==================== FUTURE ENERGY SECTION ==================== */
.energy__grid {
	display: grid;
	gap: var(--spacing-5);
	align-items: center;
}

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

.energy__image-wrapper {
	border-radius: 12px;
	overflow: hidden;
}

.energy__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	aspect-ratio: 4/3;
}

.energy__accordion {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-2);
}

.accordion__item {
	background-color: var(--container-color);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 8px;
	overflow: hidden;
}

.accordion__header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: var(--spacing-3);
	background: none;
	border: none;
	color: var(--text-color);
	font-family: var(--font-headings);
	font-size: 1.125rem;
	cursor: pointer;
	text-align: left;
}

.accordion__icon {
	transition: transform 0.3s ease;
	flex-shrink: 0;
	margin-left: var(--spacing-2);
}

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

.accordion__description {
	padding: 0 var(--spacing-3) 0;
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
	line-height: 1.7;
}

/* Active state for accordion */
.accordion__item.is-active .accordion__content {
	max-height: 200px; /* Adjust if content is longer */
	padding-bottom: var(--spacing-3);
}

.accordion__item.is-active .accordion__icon {
	transform: rotate(45deg);
	color: var(--primary-color);
}

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

.contact__grid {
	display: grid;
	gap: var(--spacing-5);
}

@media screen and (min-width: 992px) {
	.contact__grid {
		grid-template-columns: 1fr 1.2fr;
		align-items: center;
	}
}

/* Form Styles */
.contact__form-wrapper {
	position: relative;
}

.form__group {
	position: relative;
	margin-bottom: var(--spacing-4);
}

.form__input {
	width: 100%;
	padding: 1rem;
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 8px;
	background-color: transparent;
	color: var(--text-color);
	font-size: var(--fs-normal);
	outline: none;
	transition: border-color 0.3s;
}

.form__input:focus,
.form__input:not(:placeholder-shown) {
	border-color: var(--primary-color);
}

.form__label {
	position: absolute;
	top: 1rem;
	left: 1rem;
	color: var(--secondary-text-color);
	background-color: var(--container-color);
	padding: 0 0.25rem;
	transition: top 0.3s, font-size 0.3s, color 0.3s;
	pointer-events: none;
}

.form__input:focus ~ .form__label,
.form__input:not(:placeholder-shown) ~ .form__label {
	top: -0.75rem;
	font-size: var(--fs-small);
	color: var(--primary-color);
}

/* Checkbox Styles */
.form__group--checkbox {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	margin-bottom: var(--spacing-4);
}

.form__checkbox-input {
	accent-color: var(--primary-color);
	width: 1.25em;
	height: 1.25em;
	margin-top: 0.2em;
	flex-shrink: 0;
}

.form__checkbox-label {
	font-size: var(--fs-small);
	color: var(--secondary-text-color);
}

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

/* Button Styles */
.contact__button {
	width: 100%;
	padding: 1rem;
	background-color: var(--primary-color);
	color: var(--text-color);
	border: none;
	border-radius: 8px;
	font-family: var(--font-headings);
	font-size: var(--fs-normal);
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact__button:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 20px rgba(126, 65, 255, 0.25);
}

/* Success Message */
.contact__success-message {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: var(--container-color);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: var(--spacing-4);
	border-radius: 8px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.5s, visibility 0.5s;
}

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

.success-message__icon {
	color: #22c55e; /* Green color for success */
	width: 64px;
	height: 64px;
	margin-bottom: var(--spacing-3);
}

.success-message__title {
	font-size: var(--fs-h3);
	margin-bottom: var(--spacing-1);
}

.success-message__text {
	color: var(--secondary-text-color);
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
	position: fixed;
	bottom: -100%; /* Initially hidden */
	left: 0;
	width: 100%;
	background-color: var(--container-color);
	box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
	padding: var(--spacing-3);
	z-index: 200;
	transition: bottom 0.5s ease-in-out;
}

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

.cookie-popup__content {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--spacing-3);
}

@media screen and (max-width: 767px) {
	.cookie-popup__content {
		flex-direction: column;
		text-align: center;
	}
}

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

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

.cookie-popup__button {
	background-color: var(--primary-color);
	color: var(--text-color);
	border: none;
	padding: 0.75rem 1.5rem;
	border-radius: 8px;
	font-size: var(--fs-small);
	font-weight: 500;
	cursor: pointer;
	white-space: nowrap;
	transition: background-color 0.3s;
}

.cookie-popup__button:hover {
	background-color: #6a32e6; /* A bit darker purple */
}

/* ==================== GENERIC PAGES (PRIVACY, TERMS, ETC.) ==================== */
.pages {
	padding-top: calc(var(--header-height) + var(--spacing-5));
	padding-bottom: var(--spacing-6);
}

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

.pages h1 {
	font-size: 1.5rem;
	margin-bottom: var(--spacing-4);
	line-height: 1.2;
}

.pages h2 {
	font-size: 1.5rem;
	margin-top: var(--spacing-5);
	margin-bottom: var(--spacing-3);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	padding-bottom: var(--spacing-1);
}

.pages p {
	color: var(--secondary-text-color);
	line-height: 1.8;
	margin-bottom: var(--spacing-3);
}

.pages ul {
	list-style-type: disc;
	padding-left: var(--spacing-4);
	margin-bottom: var(--spacing-3);
	color: var(--secondary-text-color);
}

.pages li {
	margin-bottom: var(--spacing-2);
	padding-left: var(--spacing-1);
}

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

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

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