/* Navigation */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--text-primary);
}

.navbar-brand img {
    width: 120px;
    height: auto;
}

.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.btn-outline-primary {
    border: 2px solid #8b5cf6;
    color: #8b5cf6;
    background: transparent;
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, #00113b 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background: var(--bg-card);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #8b5cf6;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
}

.step-card {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: var(--bg-card);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: var(--input-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-brand img {
    width: 200px;
    height: auto;
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Additional styles for landing page authentication elements */
.auth-nav-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-nav-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-user-profile {
    position: relative;
    cursor: pointer;
}

.nav-profile-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.2s ease;
}

.nav-profile-avatar:hover {
    transform: scale(1.05);
}

.nav-profile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 8px;
    padding: 8px;
}

.nav-profile-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color 0.2s ease;
    border-radius: 6px;
    margin: 2px 0;
}

.nav-profile-dropdown .dropdown-item:hover {
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.nav-profile-dropdown .dropdown-item i {
    margin-right: 8px;
    width: 16px;
}

.hero-welcome {
    margin-bottom: 1rem;
}

.welcome-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 0;
}

.welcome-text span {
    color: var(--text-primary);
    font-weight: 600;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .user-nav-section {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .nav-user-profile {
        margin-top: 1rem;
    }

    .auth-nav-buttons {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

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

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

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

    .hero-stats {
        gap: 2rem;
    }

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

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

    .navbar-nav {
        text-align: center;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-content {
        padding: 1rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .step-card {
        padding: 1rem;
    }
}

/* Loading Animation */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 8px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}