@font-face {
    font-family: 'Poppins';
    src: url('../fonts/Poppins-Light.woff2') format('woff2');
    font-weight: 300;
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/Poppins-Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}

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

/* Brand Colors Definition */
:root {
    --brand-blue-violet: #8a2be2;
    --brand-deep-purple: #4d1c54;
    --brand-gray: #808080;
    --brand-royal-blue: #5f57f5;
    --brand-dark-purple: #2b0b36;
    --brand-catppuccin-mocha: #11111b;
    --brand-tokyo-midnight: #1a1b26;
    --brand-light-purple: #f1e3fb;
    --brand-ghost-white: #f0f3ff;
    --brand-white: #ffffff;
    --brand-error: #e83a3a;

    /* Layout Variables */
    --site-max-width: 1400px;
    --site-padding: clamp(1rem, 5vw, 4rem);
    --section-spacing: 4rem;
    --nav-collapse-buffer: 20px;
    --hamburger-right-margin: 16px;
    --nav-height: 4rem;
}

/* Light Theme Component-Specific Colors */
:root[data-theme="light"] {
    /* Background Colors */
    --background-primary: var(--brand-white);
    --background-secondary: var(--brand-ghost-white);

    /* Component-Specific Colors */
    --navbar-background: var(--brand-ghost-white);
    --hero-background: var(--brand-light-purple);
    --card-background: var(--brand-ghost-white);
    --footer-background: var(--brand-ghost-white);
    --eyebrow-text: var(--brand-catppuccin-mocha);

    /* Button Colors */
    --button-primary-bg: var(--brand-deep-purple);
    --button-primary-text: var(--brand-white);
    --button-outline-border: var(--brand-deep-purple);
    --button-outline-text: var(--brand-deep-purple);

    /* Typography Colors */
    --heading-h1-color: var(--brand-deep-purple);
    --heading-h2-color: var(--brand-deep-purple);
    --heading-h3-color: var(--brand-dark-purple);
    --text-primary: var(--brand-catppuccin-mocha);
    --text-secondary: var(--brand-tokyo-midnight);

    /* Interactive Elements */
    --hover-color: var(--brand-light-purple);
    --border-color: transparent;
    --accent-color: var(--brand-royal-blue);

    /* Expandable */
    --expandable-background: var(--brand-deep-purple);
    --expandable-hover: var(--brand-light-purple);
    --expandable-text: var(--brand-ghost-white);
    --expandable-hover-text: var(--brand-deep-purple);

    /* Form Colors */
    --form-error: var(--brand-error);
    --form-focus-shadow: rgba(95, 87, 245, 0.1);
}

/* Dark Theme Component-Specific Colors */
:root[data-theme="dark"] {
    /* Background Colors */
    --background-primary: var(--brand-tokyo-midnight);
    --background-secondary: var(--brand-dark-purple);

    /* Component-Specific Colors */
    --navbar-background: var(--brand-catppuccin-mocha);
    --hero-background: var(--brand-dark-purple);
    --card-background: var(--brand-catppuccin-mocha);
    --footer-background: var(--brand-catppuccin-mocha);
    --eyebrow-text: var(--brand-ghost-white);

    /* Button Colors */
    --button-primary-bg: var(--brand-deep-purple);
    --button-primary-text: var(--brand-white);
    --button-outline-border: var(--brand-deep-purple);
    --button-outline-text: var(--brand-white);

    /* Typography Colors */
    --heading-h1-color: var(--brand-white);
    --heading-h2-color: var(--brand-white);
    --heading-h3-color: var(--brand-ghost-white);
    --text-primary: var(--brand-white);
    --text-secondary: var(--brand-ghost-white);

    /* Interactive Elements */
    --hover-color: var(--brand-dark-purple);
    --border-color: transparent;
    --accent-color: var(--brand-royal-blue);

    /* Expandable */
    --expandable-background: var(--brand-deep-purple);
    --expandable-hover: var(--brand-royal-blue);
    --expandable-text: var(--brand-ghost-white);
    --expandable-hover-text: var(--brand-white);

    /* Form Colors */
    --form-error: var(--brand-error);
    --form-focus-shadow: rgba(95, 87, 245, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-primary);
    font-size: 1.1rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    margin: 0;
}

body * {
    cursor: default;
}

main {
    padding-top: 100px;
    width: 100%;
    display: flex;
    flex: 1 0 auto;
    flex-direction: column;
    align-items: center;
}

.container {
    width: 100%;
    max-width: var(--site-max-width);
    margin: 0 auto;
    padding-left: var(--site-padding);
    padding-right: var(--site-padding);
}

header {
    background-color: var(--navbar-background);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

header nav {
    width: 100%;
    max-width: var(--site-max-width);
    margin: 0 auto;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
    width: 100%;
    max-width: var(--site-max-width);
    padding: 0 var(--site-padding);
    overflow: hidden;
}

.nav-left {
    display: flex;
    align-items: center;
}

.nav-link {
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: 2rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: 2rem;
}

.nav-right-hidden {
    display: none !important;
}

.nav-menu-hidden {
    display: none !important;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem;
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

.nav-login {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--heading-h1-color);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    height: 2.2rem;
    width: 2.2rem;
    object-fit: contain;
    display: block;
    pointer-events: none;
    border-radius: 0;
}

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

[data-theme="light"] .logo:hover .logo-image {
    filter: brightness(0) saturate(100%) invert(37%) sepia(98%) saturate(1613%) hue-rotate(232deg) brightness(99%) contrast(94%);
}

[data-theme="dark"] .logo:hover .logo-image {
    filter: brightness(0) saturate(100%) invert(40%) sepia(85%) saturate(1963%) hue-rotate(232deg) brightness(103%) contrast(94%);
}

.logo,
.logo * {
    cursor: pointer;
}

.hero {
    background: var(--hero-background);
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 2rem 0;
    margin-bottom: 3rem;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 50% 45%;
    gap: 5%;
    align-items: center;
    position: relative;
    max-width: var(--site-max-width);
    margin: 0 auto;
    overflow: hidden;
}

.hero-content {
    text-align: left;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--heading-h1-color);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-image-container {
    position: relative;
    align-self: center;
    display: flex;
    flex-shrink: 0;
    max-width: 100%;
}

.hero-image {
    height: auto;
    object-fit: contain;
    align-self: center;
    max-width: 100%;
}

.hero-image,
.grid .hero-image {
    border-radius: 8px;
}

.container > h1,
.container > h2 {
    text-align: center;
    margin-bottom: 2rem;
    margin-top: 1rem;
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--eyebrow-text);
    margin-bottom: 1.5rem;
    display: block;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--heading-h1-color);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    color: var(--heading-h2-color);
    text-align: center;
    line-height: 1.2;
}

h3 {
    font-size: 1.4rem;
    color: var(--heading-h3-color);
    line-height: 1.3;
}

.section {
    width: 100%;
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-width: 100px;
    max-width: fit-content;
    padding: 0.75rem 2rem;
    font-size: 0.95rem;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0;
    transition: all 0.3s ease;
    border: transparent;
    border-radius: 8px;
    cursor: pointer;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.button-primary {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
    border: 1px solid transparent;
}

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

.button-outline {
    background-color: transparent;
    border: 1px solid var(--button-outline-border);
    color: var(--button-outline-text);
}

.button-outline:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    border: 1px solid transparent;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
    width: 100%;
    max-width: var(--site-max-width);
}

.grid .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.grid .hero-image {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.card {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.expandable-items {
    margin-top: 1rem;
}

.expandable-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    background: var(--expandable-background);
    cursor: pointer;
    transition: all 0.3s ease;
}

.expandable-item:hover {
    background: var(--expandable-hover);
}

.expandable-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.expandable-header h3,
.expandable-content p,
.expand-icon {
    color: var(--expandable-text);
    margin: 0;
    transition: color 0.3s ease;
}

.expandable-header h3,
.expand-icon {
    cursor: pointer;
}

.expandable-header h3 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.expandable-item:hover h3,
.expandable-item:hover p,
.expandable-item:hover .expand-icon {
    color: var(--expandable-hover-text);
}

.expand-icon {
    color: var(--expandable-text);
    font-size: 1.2rem;
    transition: transform 0.3s ease, color 0.3s ease;
    user-select: none;
    flex-shrink: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.expandable-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.25rem;
    text-overflow: ellipsis;
    color: var(--expandable-text);
}

.expandable-content-text {
    margin: 0;
    padding-right: 1.5rem;
    line-height: 1.3;
    flex: 1;
    min-width: 0;


}

.expandable-item.expanded .expandable-content {
    color: var(--expandable-text);
    max-height: 200px;
    padding: 0 1.25rem 1.25rem 1.25rem;
}

.expandable-item.expanded .expand-icon {
    transform: rotate(90deg);
}

.expandable-content .p {
    margin-bottom: 1.5rem;
}

.contact-form,
.demo-form {
    max-width: 800px;
    padding: 2rem;
    background-color: var(--background-secondary);
    border-radius: 8px;
    margin: 0 auto var(--section-spacing);
}

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

.form-group:first-of-type {
    margin-top: 2rem;
}

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

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--form-focus-shadow);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 16px;
    padding-right: 2.5rem;
}

.form-group.has-error .form-control {
    border-color: var(--form-error);
}

.form-group.has-error .error-message {
    color: var(--form-error);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

footer {
    background-color: var(--footer-background);
    color: var(--text-secondary);
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 1rem;
    width: 100%;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
    margin-top: auto;
    z-index: 10;
}

footer .container {
    display: flex;
    justify-content: center;
}

.theme-toggle {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

[data-theme="light"] .theme-toggle {
    background-color: var(--brand-tokyo-midnight);
}

[data-theme="dark"] .theme-toggle {
    background-color: var(--brand-white);
}

.theme-toggle-tooltip {
    position: absolute;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    white-space: pre-line;
    bottom: calc(100% + 10px);
    right: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.theme-toggle-tooltip::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 10px;
    width: 10px;
    height: 10px;
    transform: rotate(45deg);
}

[data-theme="light"] .theme-toggle-tooltip {
    background-color: var(--brand-tokyo-midnight);
    color: var(--brand-white);
}

[data-theme="light"] .theme-toggle-tooltip::after {
    content: '';
    bottom: -5px;
    right: 10px;
    width: 10px;
    height: 10px;
    background-color: var(--brand-tokyo-midnight);
    transform: rotate(45deg);
}

[data-theme="light"] .theme-toggle-tooltip {
    background-color: var(--brand-tokyo-midnight);
    color: var(--brand-white);
}

[data-theme="light"] .theme-toggle-tooltip::after {
    background-color: var(--brand-tokyo-midnight);
}

[data-theme="dark"] .theme-toggle-tooltip {
    background-color: var(--brand-white);
    color: var(--brand-tokyo-midnight);
}

[data-theme="dark"] .theme-toggle-tooltip::after {
    background-color: var(--brand-white);
}

.theme-toggle:hover .theme-toggle-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Media Queries */
@media screen and (max-width: var(--site-max-width)) {
    .hero .container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 1024px) {
    :root {
        --site-padding: 2rem;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --site-padding: 1.25rem;
        --section-spacing: 3rem;
    }

    .hero-image-container,
    .grid .container:has(.hero-image),
    .grid .hero-image {
        display: none;
    }

    .hero {
        padding: 1rem 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 2rem;
    }

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

    h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

.nav-menu, .nav-right {
    visibility: hidden;
    position: absolute;
    display: none;
}

.nav-initialized .nav-menu:not(.nav-menu-hidden),
.nav-initialized .nav-right:not(.nav-right-hidden) {
    visibility: visible;
    position: static;
    display: flex;
}

.hamburger-button {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    right: var(--hamburger-right-margin);
    margin-left: auto;
    cursor: pointer;
    position: relative;
    z-index: 1001;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hamburger-button.visible {
    display: flex;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    margin: 3px 0;
    background-color: var(--text-primary);
    transition: transform 0.3s ease, opacity 0.3s ease;
    position: absolute;
}

.hamburger-line:first-child {
    transform: translateY(-6px);
}

.hamburger-line:last-child {
    transform: translateY(6px);
}

.hamburger-overlay {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    height: auto;
    min-height: calc(100vh - var(--nav-height));
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    width: 100%;
}

.hamburger-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    width: 100%;
    background-color: var(--navbar-background);
    padding: 0 0 2rem;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    height: auto;
}

.hamburger-menu-container {
    width: 100%;
    max-width: var(--site-max-width);
    margin: 0 auto;
    padding: 0 var(--site-padding);
}

.hamburger-content {
    display: flex;
    flex-direction: column;
    max-width: min(250px, 50%);
    margin-right: auto;
    margin-top: 0;
    gap: 1rem;
}

.hamburger-nav-right,
.hamburger-nav-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin: 0;
    padding: 0;
    list-style: none;
    gap: 1rem;
}

.hamburger-separator {
    height: 1px;
    background-color: var(--text-secondary);
    opacity: 0.2;
    width: 100%;
    margin: 0.5rem 0;
}

.hamburger-nav-left a,
.hamburger-nav-right a:not(.button) {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
}

.hamburger-nav-right .button {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    cursor: pointer;
}

body.menu-open {
    overflow-y: auto;
}

body.menu-open header {
    border-bottom-color: rgba(128, 128, 128, 0.2);
}

body.menu-open .hamburger-overlay,
body.menu-open .hamburger-menu {
    display: block;
}

body.menu-open .hamburger-line:first-child {
    transform: rotate(45deg);
}

body.menu-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

body.menu-open .hamburger-line:last-child {
    transform: rotate(-45deg);
}

.nav-right-hidden {
    display: none !important;
}

.nav-menu-hidden {
    display: none !important;
}

.hamburger-nav-left a:not(.button),
.hamburger-nav-right a:not(.button) {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0;
    margin: 0;
    line-height: 2;
    display: block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hamburger-nav-left a:not(.button):hover,
.hamburger-nav-right a:not(.button):hover {
    color: var(--accent-color);
    transform: translateX(2px);
}

.error-message {
    color: #ff0000;
    text-align: center;
    font-weight: 500;
}