/* ============================================
   Spencer AI — Components
   ============================================ */

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: var(--text-base);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--accent-glow);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--accent-subtle);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: var(--text-lg);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--text-sm);
}

/* === Cards === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: var(--glass-blur);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
    background: var(--accent-subtle);
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.card-desc {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
}

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm) 0;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--text-primary);
}

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

.navbar-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.navbar-links a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition);
}

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

.navbar-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Mobile menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-accent {
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-green {
    background: var(--green-glow);
    color: var(--green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-popular {
    background: linear-gradient(135deg, var(--accent), var(--purple));
    color: white;
}

/* === Section Headers === */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--accent);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: 1.7;
}

/* === Responsive === */
@media (max-width: 768px) {
    .navbar-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-glass);
        backdrop-filter: var(--glass-blur);
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--border);
    }

    .navbar-links.open {
        display: flex;
    }

    .navbar-cta .btn {
        padding: 0.5rem 1rem;
        font-size: var(--text-sm);
    }

    .menu-toggle {
        display: flex;
    }

    .section-title {
        font-size: var(--text-3xl);
    }

    .container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 480px) {
    .navbar-cta .btn-text-hide {
        display: none;
    }
}