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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: #f8fafc;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== SECTION HEADER ========== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

    .section-header h2 {
        font-size: 2.25rem;
        font-weight: 800;
        background: linear-gradient(135deg, #1e293b, #3b82f6);
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        margin-bottom: 16px;
    }

    .section-header p {
        color: #64748b;
        max-width: 600px;
        margin: 0 auto;
    }

/* ========== HEADER ========== */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid #e2e8f0;
    padding: 16px 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 24px;
}

    .nav-links a {
        text-decoration: none;
        color: #475569;
        font-weight: 600;
        font-size: 0.875rem;
        transition: color 0.3s;
    }

        .nav-links a:hover {
            color: #3b82f6;
        }

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.lang-select {
    background: #f1f5f9;
    border: none;
    border-radius: 12px;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-get-started {
    background: #0f172a;
    color: white;
    padding: 8px 20px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.875rem;
    transition: all 0.3s;
}

    .btn-get-started:hover {
        background: #1e293b;
        transform: translateY(-2px);
    }

/* ========== HERO SECTION ========== */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 20px;
}

.text-highlight {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #475569;
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn-primary {
    background: #0f172a;
    color: white;
    padding: 12px 28px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
    display: inline-block;
}

    .btn-primary:hover {
        background: #1e293b;
        transform: translateY(-2px);
    }

.btn-outline {
    background: white;
    color: #0f172a;
    padding: 12px 28px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    display: inline-block;
}

    .btn-outline:hover {
        background: #f8fafc;
        transform: translateY(-2px);
    }

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

/* ========== PROGRESS & BADGES ========== */
.progress-container {
    max-width: 400px;
    margin: 0 auto;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #475569;
    margin-bottom: 8px;
}

.progress-bar-bg {
    background: #e2e8f0;
    border-radius: 100px;
    height: 8px;
    overflow: hidden;
}

.progress-bar-fill {
    background: linear-gradient(90deg, #f59e0b, #f97316);
    height: 100%;
    border-radius: 100px;
    width: 0%;
    transition: width 0.5s;
}

.goal-message {
    font-size: 0.7rem;
    color: #64748b;
    margin-top: 12px;
}

.early-bird-text {
    background: rgba(245, 158, 11, 0.1);
    display: inline-block;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.875rem;
    color: #f59e0b;
    font-weight: 500;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.launch-badge-container {
    margin-top: 24px;
}

/* ========== STATS SECTION ========== */
.stats-section {
    padding: 60px 0;
    background: white;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #0f172a;
}

.stat-label {
    color: #64748b;
    font-size: 0.875rem;
}

/* ========== SAMPLES SECTION ========== */
.samples-section {
    padding: 80px 0;
    background: #f8fafc;
}

.samples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.level-card {
    background: white;
    border-radius: 24px;
    padding: 28px;
    transition: all 0.3s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

    .level-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 25px -12px rgba(0, 0, 0, 0.1);
    }

.level-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 20px;
}

    .level-badge.beginner {
        background: #dcfce7;
        color: #166534;
    }

    .level-badge.intermediate {
        background: #fef9c3;
        color: #854d0e;
    }

    .level-badge.advanced {
        background: #fee2e2;
        color: #991b1b;
    }

.level-card ul {
    list-style: none;
}

.level-card li {
    padding: 8px 0;
    color: #334155;
    font-size: 0.875rem;
    border-bottom: 1px solid #e2e8f0;
}

    .level-card li:last-child {
        border-bottom: none;
    }

/* ========== FEATURES SECTION ========== */
.features-section {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: #f8fafc;
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
}

    .feature-card:hover {
        transform: translateY(-4px);
        background: white;
        box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.1);
    }

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ========== PATH SECTION ========== */
.path-section {
    padding: 80px 0;
    background: #f8fafc;
}

.path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.path-card {
    background: white;
    border-radius: 20px;
    padding: 24px;
    transition: all 0.3s;
}

    .path-card:hover {
        transform: translateY(-4px);
        background: #f1f5f9;
    }

.path-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    margin-bottom: 16px;
}

.path-card h4 {
    margin-bottom: 8px;
}

.path-card p {
    color: #64748b;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.duration {
    font-size: 0.7rem;
    color: #3b82f6;
    font-weight: 600;
}

/* ========== AUDIENCE SECTION ========== */
.audience-section {
    padding: 80px 0;
    background: white;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
    text-align: center;
}

.audience-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

/* ========== HOW IT WORKS SECTION ========== */
.howitworks-section {
    padding: 80px 0;
    background: #f8fafc;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    text-align: center;
}

.step-circle {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.5rem;
    margin: 0 auto 16px;
}

/* ========== SUPPORT SECTION ========== */
.support-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
}

.support-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 32px;
    padding: 48px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.support-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.support-card h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
}

.free-badge {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.badge-free {
    background: #22c55e;
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-premium {
    background: #f59e0b;
    color: #1e293b;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
}

.support-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
    line-height: 1.6;
}

.comparison-box {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    padding: 24px;
    margin: 24px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    text-align: left;
}

.free-list,
.premium-list {
    flex: 1;
    min-width: 200px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    line-height: 1.8;
}

.btn-support {
    background: #f59e0b;
    color: #1e293b;
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 800;
    text-decoration: none;
    display: inline-block;
    margin: 16px 0;
    transition: all 0.3s;
}

    .btn-support:hover {
        background: #fbbf24;
        transform: translateY(-2px);
    }

.no-credit {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.7rem;
}

/* ========== APP SECTION ========== */
.app-section {
    padding: 80px 0;
    background: white;
}

.app-card {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    border-radius: 40px;
    padding: 48px;
    text-align: center;
    color: white;
    max-width: 700px;
    margin: 0 auto;
}

.app-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.app-card h2 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.coming-soon {
    background: rgba(255, 255, 255, 0.2);
    display: inline-block;
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 0.75rem;
    margin: 20px 0;
}

.store-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.store-badge {
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 20px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ========== FINAL CTA SECTION ========== */
.final-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.cta-card {
    background: white;
    border-radius: 32px;
    padding: 48px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    transition: transform 0.3s;
}

    .cta-card:hover {
        transform: translateY(-8px);
    }

    .cta-card h2 {
        font-size: 1.75rem;
        margin-bottom: 16px;
    }

    .cta-card p {
        color: #64748b;
        margin-bottom: 32px;
    }

.btn-cta {
    background: #0f172a;
    color: white;
    padding: 14px 32px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 800;
    display: inline-block;
    transition: all 0.3s;
}

    .btn-cta:hover {
        background: #1e293b;
        transform: translateY(-2px);
    }

.signin-link {
    margin-top: 20px;
    font-size: 0.75rem;
    color: #64748b;
}

    .signin-link a {
        color: #3b82f6;
        text-decoration: none;
    }

/* ========== FAQ SECTION ========== */
.faq-section {
    padding: 80px 0;
    background: #f8fafc;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 20px;
    padding: 24px;
}

    .faq-item h5 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 12px;
    }

    .faq-item p {
        color: #64748b;
        font-size: 0.8rem;
        line-height: 1.5;
    }

/* ========== FOOTER ========== */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 48px 0;
    text-align: center;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

    .footer-links a {
        color: #94a3b8;
        text-decoration: none;
        font-size: 0.75rem;
        transition: color 0.3s;
    }

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

.footer-copyright {
    font-size: 0.65rem;
}

/* ========== RTL SUPPORT ========== */
[dir="rtl"] .nav-links {
    gap: 24px;
}

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

/* ========== ANIMATIONS ========== */
.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.15s;
}

.delay-2 {
    animation-delay: 0.3s;
}

.delay-3 {
    animation-delay: 0.45s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .stats-grid {
        gap: 24px;
    }

    .support-card {
        padding: 24px;
    }

    .comparison-box {
        flex-direction: column;
    }

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

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

    .btn-primary, .btn-outline {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
}