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

:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --text: #ffffff;
    --text-secondary: #a3b3c9;
    --text-muted: #6b7a8f;
    --bg-dark: #0a0f1a;
    --bg-card: #111827;
    --bg-elevated: #1a2332;
    --border: #1e2a3b;
    --accent: #00d4ff;
}

html {
    scroll-behavior: smooth;
}

/* RTL Support for Arabic */
html[dir="rtl"] {
    direction: rtl;
}

html[dir="rtl"] .container {
    direction: rtl;
}

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

html[dir="rtl"] .lang-switcher {
    margin-left: 0;
    margin-right: 1rem;
}

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

html[dir="rtl"] .platform-grid,
html[dir="rtl"] .features-grid,
html[dir="rtl"] .use-cases-grid {
    direction: rtl;
}

html[dir="rtl"] .problem-list {
    direction: rtl;
}

html[dir="rtl"] .trust-grid {
    direction: rtl;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 48px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    background-color: var(--primary);
    color: var(--text) !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background-color 0.2s !important;
}

.nav-cta:hover {
    background-color: var(--primary-dark);
}

.lang-switcher {
    margin-left: 1rem;
}

.lang-select {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.lang-select:hover {
    border-color: var(--text-secondary);
}

.lang-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    margin-top: 60px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text);
    letter-spacing: -0.02em;
}

/* Platform Showcase */
.platform-section {
    background-color: var(--bg-card);
    padding: 6rem 0;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.platform-card {
    background-color: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}

.platform-card:hover {
    border-color: var(--primary);
}

.platform-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: var(--bg-elevated);
}

.platform-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.platform-label {
    padding: 1.25rem 1.5rem;
}

.platform-label h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.platform-label p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Problem Section */
.problem-section {
    padding: 6rem 0;
    text-align: center;
}

.problem-statement {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.problem-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin: 2rem 0;
}

.problem-item {
    padding: 0.5rem 1rem;
    background-color: var(--bg-card);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border: 1px solid var(--border);
}

.problem-solution {
    font-size: 1.1rem;
    color: var(--text);
    font-weight: 500;
    margin-top: 2rem;
}

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

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

.feature-item {
    padding: 2rem;
    background-color: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.feature-number {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    font-family: 'SF Mono', 'Consolas', monospace;
}

.feature-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Use Cases Section */
.use-cases-section {
    padding: 6rem 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.use-case-card {
    padding: 2rem;
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.use-case-card:hover {
    border-color: var(--text-muted);
}

.use-case-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.use-case-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Trust Section */
.trust-section {
    background-color: var(--bg-card);
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-item {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
}

.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 1rem;
}

.form-success {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--primary);
    text-align: center;
}

.form-success h3 {
    color: var(--primary);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

/* Footer */
.footer {
    background-color: var(--bg-dark);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .trust-grid {
        gap: 1.5rem;
    }

    .trust-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .nav-brand {
        font-size: 0.95rem;
    }

    .nav-logo {
        height: 40px;
        max-width: 180px;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .container {
        padding: 0 1rem;
    }
}

/* RTL Support for Arabic */
html[dir="rtl"] {
    direction: rtl;
}

html[dir="rtl"] .container {
    direction: rtl;
}

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

html[dir="rtl"] .lang-switcher {
    margin-left: 0;
    margin-right: 1rem;
}

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

html[dir="rtl"] .platform-grid,
html[dir="rtl"] .features-grid,
html[dir="rtl"] .use-cases-grid {
    direction: rtl;
}

html[dir="rtl"] .problem-list {
    direction: rtl;
}

html[dir="rtl"] .trust-grid {
    direction: rtl;
}