/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Default Dark Mode */
    --primary-color: #11e212;
    --primary-dark: #0db50e;
    --secondary-color: #00D84A;
    --accent-color: #48E472;
    --text-dark: #F5F5F5;
    --text-medium: #C7C7C7;
    --text-light: #B3B3B3;
    --bg-white: #2A2A2A;
    --bg-light: #363636;
    --bg-lighter: #424242;
    --bg-gray: #303030;
    --bg-darker: #1E1E1E;
    --border-color: #4A4A4A;
    --success-green: #11e212;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
}

/* Light Mode - respects user preference */
@media (prefers-color-scheme: light) {
    :root {
        --primary-color: #0db50e;
        --primary-dark: #0a8a0b;
        --secondary-color: #00A838;
        --accent-color: #36C25E;
        --text-dark: #1A1A1A;
        --text-medium: #4A4A4A;
        --text-light: #6A6A6A;
        --bg-white: #FFFFFF;
        --bg-light: #F5F5F5;
        --bg-lighter: #E8E8E8;
        --bg-gray: #E0E0E0;
        --bg-darker: #F9F9F9;
        --border-color: #D0D0D0;
        --success-green: #0db50e;
    }

    body {
        background: #FFFFFF;
    }

    .navbar {
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .cta-button,
    .primary-button {
        color: #FFFFFF !important;
    }

    .mobile-menu-toggle {
        color: var(--text-dark);
    }

    .nav-links.mobile-visible {
        background: var(--bg-white);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    background: var(--bg-darker);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    height: 2.5rem;
    width: auto;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.nav-links li {
    margin: 0;
}

.cta-button {
    background: var(--primary-color);
    color: #1A1A1A !important;
    padding: 0.75rem 1.75rem;  /* Increased for 44px min touch target */
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 600;
    min-height: 44px;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(17, 226, 18, 0.4);
}

/* Language Switcher */
.language-switcher {
    position: relative;
    display: flex;
    align-items: center;
}

.language-button {
    background: transparent;
    border: 2px solid var(--border-color);
    padding: 0.625rem 1.25rem;  /* Increased for 44px min touch target */
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-button:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.language-button[aria-expanded="true"] {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.current-lang {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.dropdown-arrow {
    font-size: 0.65rem;
    color: var(--text-medium);
    transition: transform 0.3s ease;
}

.language-button[aria-expanded="true"] .dropdown-arrow {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    min-width: 150px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-dropdown button {
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: background 0.2s ease;
}

.language-dropdown button:hover,
.language-dropdown button:focus {
    background: var(--bg-light);
    outline: none;
}

.language-dropdown button[data-lang].active {
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: var(--bg-gray);
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.primary-button {
    background: var(--primary-color);
    color: #1A1A1A;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-block;
}

.primary-button:hover {
    background: var(--primary-dark);
    color: #1A1A1A;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(17, 226, 18, 0.4);
}

.secondary-button {
    background: transparent;
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.secondary-button:hover {
    background: var(--primary-color);
    color: white;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-darker);
}

.features h2 {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 2.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Security Section */
.security {
    padding: 6rem 0;
    background: var(--bg-gray);
}

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

.security-text h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.security-text > p {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.security-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.security-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.check {
    color: var(--success-green);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.security-list strong {
    font-size: 1.1rem;
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.25rem;
}

.security-list p {
    color: var(--text-medium);
    line-height: 1.6;
}

.security-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--bg-darker);
}

.about h2 {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--text-dark);
}

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

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 8px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-medium);
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--bg-light);
    color: var(--text-dark);
}

.contact h2,
.contact p {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-content > p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-medium);
}

.contact-form input,
.contact-form textarea {
    padding: 1rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--bg-darker);
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #666;
}

.contact-form textarea {
    resize: vertical;
}

.contact-form button {
    margin-top: 1rem;
    background: var(--primary-color);
    color: #1A1A1A;
    font-weight: 600;
}

.contact-form button:hover {
    background: var(--primary-dark);
    color: #1A1A1A;
    box-shadow: 0 8px 20px rgba(17, 226, 18, 0.4);
}

/* Footer */
footer {
    background: var(--bg-darker);
    color: white;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container,
    .security-content,
    .about-content {
        grid-template-columns: 1fr;
    }

    .hero-image,
    .security-image,
    .about-image {
        order: -1;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }
}

/* Tablet breakpoint */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .security-content,
    .about-content {
        gap: 3rem;
    }
}

/* Mobile breakpoint */
@media (max-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 0;
        position: relative;
        min-height: 100vh;
    }

    .hero .container {
        position: relative;
        min-height: 100vh;
        padding: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .hero-image {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 0;
    }

    .hero-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
        aspect-ratio: auto;
    }

    .hero-content {
        position: relative;
        z-index: 1;
        padding: 2rem 1.5rem;
        background: rgba(10, 10, 10, 0.85);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border-radius: 16px;
        margin: 2rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2rem;
        color: var(--text-dark);
    }

    .hero-subtitle {
        font-size: 1.1rem;
        color: var(--text-medium);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .features,
    .security,
    .about,
    .contact {
        padding: 4rem 0;
    }

    h2 {
        font-size: 2rem !important;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Mobile navigation */
    .nav-links {
        display: none;
    }

    .nav-links.mobile-hidden {
        display: none;
    }

    .nav-links.mobile-visible {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-darker);
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        gap: 1rem;
        z-index: 1000;
    }

    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--text-light);
        cursor: pointer;
        padding: 0.5rem;
        line-height: 1;
    }

    .mobile-menu-toggle:hover {
        color: var(--primary-green);
    }
}

/* Accessibility - Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip to Content Link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-green);
    color: var(--bg-darker);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 0.5rem 0;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 0;
}

/* Enhanced Focus Indicators */
*:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* RTL Support */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="rtl"] .navbar .container {
    flex-direction: row-reverse;
}

[dir="rtl"] .nav-links {
    flex-direction: row-reverse;
}

[dir="rtl"] .hero-content,
[dir="rtl"] .security-text,
[dir="rtl"] .about-text {
    text-align: right;
}

[dir="rtl"] .hero-buttons,
[dir="rtl"] .footer-links {
    flex-direction: row-reverse;
}

[dir="rtl"] .security-content,
[dir="rtl"] .about-content {
    flex-direction: row-reverse;
}

[dir="rtl"] .logo {
    flex-direction: row-reverse;
}

[dir="rtl"] .security-list li,
[dir="rtl"] .footer-column {
    text-align: right;
}