/* Landing Page - Minimal Design */

.landing-page {
    background: #fafbfc;
}

.landing-page .navbar {
    background: transparent !important;
    box-shadow: none !important;
}

.landing-page .navbar-nav,
.landing-page .navbar-toggler {
    display: none !important;
}

.landing-page footer:not(.landing-footer) {
    display: none;
}

.landing-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem 2rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.landing-content {
    text-align: center;
    width: 100%;
}

.landing-main {
    margin-bottom: 4rem;
}

.landing-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.landing-description {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2.5rem;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.landing-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-start {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    background: #4f46e5;
    color: white;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.btn-start:hover {
    background: #4338ca;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-login {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    background: transparent;
    color: #4f46e5;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.btn-login:hover {
    border-color: #4f46e5;
    background: #f8fafc;
    color: #4f46e5;
    text-decoration: none;
}

/* Features */
.landing-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
    padding: 1.25rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #f1f5f9;
}

.feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4f46e5;
    background: #f0f0ff;
    border-radius: 10px;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.feature-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
}

.feature-desc {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.5;
}

/* Section Title */
.landing-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 1rem;
    text-align: center;
}

/* How It Works */
.landing-how {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid #f1f5f9;
}

.how-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.how-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    border: 1px solid #f1f5f9;
}

.step-num {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: #4f46e5;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.step-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.step-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a2e;
}

.step-desc {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.5;
}

/* Levels */
.landing-levels {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid #f1f5f9;
}

.landing-levels-desc {
    text-align: center;
    color: #64748b;
    font-size: 0.95rem;
    max-width: 550px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

.levels-grid {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.level-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 1rem;
    background: white;
    border-radius: 10px;
    border: 1px solid #f1f5f9;
    min-width: 80px;
}

.level-code {
    font-size: 1.1rem;
    font-weight: 700;
    color: #4f46e5;
}

.level-name {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 0.125rem;
}

/* Stats */
.landing-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: auto;
    padding-top: 3rem;
}

.stat {
    font-size: 0.9rem;
    color: #94a3b8;
}

.stat-dot {
    width: 4px;
    height: 4px;
    background: #cbd5e1;
    border-radius: 50%;
}

/* Responsive */
@media (max-width: 768px) {
    .landing-wrapper {
        padding: 2rem 1.5rem;
    }

    .landing-title {
        font-size: 2rem;
    }

    .landing-description {
        font-size: 1rem;
    }

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

    .landing-actions {
        flex-direction: column;
    }

    .btn-start,
    .btn-login {
        width: 100%;
        justify-content: center;
    }

    .how-steps {
        grid-template-columns: 1fr;
    }

    .landing-section-title {
        font-size: 1.25rem;
    }

    .levels-grid {
        gap: 0.5rem;
    }

    .level-item {
        min-width: 70px;
        padding: 0.5rem 0.75rem;
    }

    .landing-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .stat-dot {
        display: none;
    }
}

@media (max-width: 480px) {
    .landing-wrapper {
        padding: 1.5rem 1rem;
    }

    .landing-main {
        margin-bottom: 2rem;
    }

    .landing-title {
        font-size: 1.5rem;
    }

    .landing-description {
        font-size: 0.95rem;
    }

    .feature {
        padding: 0.875rem;
    }

    .feature-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }

    .feature-icon svg {
        width: 18px;
        height: 18px;
    }

    .feature-title {
        font-size: 0.875rem;
    }

    .feature-desc {
        font-size: 0.8rem;
    }

    .landing-how,
    .landing-levels {
        margin-top: 2rem;
        padding-top: 2rem;
    }

    .landing-section-title {
        font-size: 1.1rem;
    }

    .how-step {
        padding: 0.875rem;
    }

    .step-num {
        width: 28px;
        height: 28px;
        min-width: 28px;
        font-size: 0.8rem;
    }

    .step-title {
        font-size: 0.875rem;
    }

    .step-desc {
        font-size: 0.8rem;
    }

    .landing-levels-desc {
        font-size: 0.85rem;
    }

    .level-item {
        min-width: 60px;
        padding: 0.5rem;
    }

    .level-code {
        font-size: 0.95rem;
    }

    .level-name {
        font-size: 0.7rem;
    }

    .landing-stats {
        padding-top: 2rem;
        margin-top: 2rem;
    }

    .stat {
        font-size: 0.8rem;
    }
}