/* GLOBAL STYLES */
:root {
	--font-primary: 'Inter', sans-serif;
	--font-secondary: 'Manrope', sans-serif;
	--color-background: #0d1117;
	--color-text: #ffffff;
	--color-text-secondary: #8b949e;
	--color-primary: #2f81f7;
	--color-border: #161b22;
	--container-width: 1200px;
	--container-padding: 1.5rem;
}

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

html {
	scroll-behavior: smooth;
}

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

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

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

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

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

ul {
	list-style: none;
}

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

/* HEADER */
.header {
	background-color: var(--color-background);
	padding: 1rem 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	border-bottom: 1px solid var(--color-border);
	backdrop-filter: blur(10px);
	background-color: rgba(13, 17, 23, 0.8);
}

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

.logo {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-secondary);
	font-weight: 600;
	font-size: 1.25rem;
	color: var(--color-text);
}

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

.logo__icon {
	transition: transform 0.4s ease;
}

.logo:hover .logo__icon {
	transform: rotate(360deg);
}

.nav__list {
	display: none; /* Hidden on mobile */
}

/* Mobile menu open state */
.nav.nav--open .nav__list {
	display: flex;
	position: fixed;
	inset: 0;
	background-color: rgba(1, 4, 9, 0.95);
	flex-direction: column;
	gap: 1.25rem;
	padding: 6rem 1.5rem 2rem; /* leave room for header and spacing */
	z-index: 1100; /* above header */
	height: 100vh;
}

.nav.nav--open .nav__link {
	font-size: 1.125rem;
	color: var(--color-text);
}

/* Prevent body scroll when mobile menu is open */
.no-scroll {
	overflow: hidden;
}

.burger {
	background: none;
	border: none;
	color: var(--color-text);
	cursor: pointer;
	padding: 0.5rem;
	position: relative;
	z-index: 1200; /* above mobile menu */
}

.burger .lucide {
	width: 28px;
	height: 28px;
}

/* FOOTER */
.footer {
	background-color: #010409;
	padding: 4rem 0 2rem;
	border-top: 1px solid var(--color-border);
}

.footer__container {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
}

.footer__column--brand {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

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

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

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

.footer__list--contacts .footer__item {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
}

.footer__icon {
	width: 18px;
	height: 18px;
	color: var(--color-primary);
	margin-top: 3px;
}

.footer__link {
	font-size: 0.95rem;
}

.footer__bottom {
	margin-top: 3rem;
	padding-top: 2rem;
	border-top: 1px solid var(--color-border);
	text-align: center;
	font-size: 0.85rem;
	color: var(--color-text-secondary);
}

/* RESPONSIVE STYLES */
@media (min-width: 768px) {
	.nav__list {
		display: flex;
		align-items: center;
		gap: 2rem;
	}

	.nav__link {
		position: relative;
		padding: 0.25rem 0;
		color: var(--color-text-secondary);
	}

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

	.burger {
		display: none;
	}

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

@media (min-width: 1024px) {
	.footer__container {
		grid-template-columns: 2fr 1fr 1fr 2fr;
	}
}

/* BUTTONS */
.button {
	display: inline-block;
	padding: 0.8rem 2rem;
	font-family: var(--font-secondary);
	font-weight: 600;
	font-size: 1rem;
	border-radius: 8px;
	text-align: center;
	cursor: pointer;
	transition: background-color 0.3s ease, transform 0.3s ease;
	border: 2px solid transparent;
}

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

.button--primary:hover {
	background-color: #4b8ff8;
	transform: translateY(-3px);
	color: var(--color-text);
}

/* HERO SECTION */
.hero {
    padding: 6rem 0;
    text-align: center;
}

.hero__container {
    max-width: 850px; /* Limiting width for better readability */
}

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

.hero__title--highlight {
    color: var(--color-primary);
    white-space: nowrap; /* Prevents the word from breaking */
}

/* Typing cursor effect */
.cursor {
    display: inline-block;
    background-color: var(--color-primary);
    width: 3px;
    animation: blink 1s infinite;
    position: relative;
    top: 4px;
}

.cursor.typing {
    animation: none;
}

@keyframes blink {
    0%, 100% { background-color: transparent; }
    50% { background-color: var(--color-primary); }
}


.hero__description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

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

/* RESPONSIVE STYLES for HERO */
@media (min-width: 768px) {
    .hero {
        padding: 8rem 0;
    }
    .hero__title {
        font-size: 2.5rem;
    }
    .hero__actions {
        flex-direction: row;
        justify-content: center;
        gap: 1.5rem;
    }
}

/* FEATURES SECTION */
.features {
    padding: 6rem 0;
    background-color: #010409; /* Slightly different background for contrast */
}

.features__header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 4rem;
}

.features__title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

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

.features__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(47, 129, 247, 0.1);
    border-color: rgba(47, 129, 247, 0.5);
}

.feature-card__icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(47, 129, 247, 0.1);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.feature-card__icon .lucide {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.feature-card__title {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.feature-card__description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* RESPONSIVE STYLES for FEATURES */
@media (min-width: 768px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* HOW IT WORKS SECTION */
.how-it-works {
    padding: 6rem 0;
}

.how-it-works__header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 4rem;
}

.how-it-works__title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.how-it-works__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.how-it-works__steps {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.step {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.step__image {
    background-color: var(--color-border);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.step__image img {
    border-radius: 8px;
    aspect-ratio: 4/3;
    object-fit: cover;
    width: 100%;
}

.step__content {
    position: relative;
}

.step__number {
    font-size: 4rem;
    font-weight: 700;
    font-family: var(--font-secondary);
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    top: -2.5rem;
    left: -1rem;
    z-index: -1;
    line-height: 1;
}

.step__title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

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

/* RESPONSIVE STYLES for HOW-IT-WORKS */
@media (min-width: 768px) {
    .step {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .step--reverse .step__image {
        order: 2;
    }
    
    .step--reverse .step__content {
        order: 1;
    }
}

/* USE CASES (TABS) SECTION */
.use-cases {
    padding: 6rem 0;
    background-color: #010409;
}

.use-cases__header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 4rem;
}

.use-cases__title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.use-cases__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tabs-nav__button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tabs-nav__button:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

.tabs-nav__button--active {
    background-color: var(--color-primary);
    color: var(--color-text);
    border-color: var(--color-primary);
}
.tabs-nav__button--active:hover {
    background-color: #4b8ff8;
    color: var(--color-text);
}


.tabs-nav__icon {
    width: 20px;
    height: 20px;
}

.tabs-content__panel {
    display: none; /* Hidden by default */
    grid-template-columns: 1fr;
    align-items: center;
    gap: 2rem;
    animation: fadeIn 0.5s ease-in-out;
}

.tabs-content__panel--active {
    display: grid; /* Shown when active */
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel__image {
    background-color: var(--color-border);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.panel__image img {
    border-radius: 8px;
    aspect-ratio: 16/9;
    object-fit: cover;
    width: 100%;
}

.panel__title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

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

/* RESPONSIVE STYLES for USE-CASES */
@media (min-width: 768px) {
    .tabs-content__panel {
        grid-template-columns: 2fr 3fr;
        gap: 4rem;
    }
}

/* CONTACT SECTION */
.contact {
    padding: 6rem 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.contact__title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.contact__description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.contact__note {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    background-color: var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    display: inline-block;
}

.contact__form-wrapper {
    background-color: #010409;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

.form-input {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.2);
}

.form-group--checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.form-group--checkbox input[type="checkbox"] {
    margin-top: 4px;
    accent-color: var(--color-primary);
    width: 16px;
    height: 16px;
}

.form-label--checkbox {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

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

.form-button {
    width: 100%;
    margin-top: 1rem;
}

.success-message {
    display: none; /* Hidden by default */
    text-align: center;
    padding: 2rem;
}

.success-message__icon {
    width: 48px;
    height: 48px;
    color: #28a745;
    margin-bottom: 1rem;
}

.success-message__title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

@media (min-width: 1024px) {
    .contact__grid {
        grid-template-columns: 1fr 1fr;
        gap: 5rem;
    }
}

/* COOKIE POPUP */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #010409;
    border-top: 1px solid var(--color-border);
    padding: 1.5rem;
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
}

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

.cookie-popup__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--container-width);
    margin: 0 auto;
}

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

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

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


/* POLICY PAGES STYLES */
.pages {
    padding: 4rem 0;
}

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

.pages h1 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

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

.pages p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.pages ul {
    list-style: disc;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.pages li {
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.pages a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.pages a:hover {
    text-decoration: underline;
}

.pages strong {
    color: var(--color-text);
    font-weight: 600;
}


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